#include <vpp/api/vpe_msg_enum.h>
#include <vnet/session/application_interface.h>
#include <vcl/vppcom.h>
+#include <vcl/vcl_event.h>
#include <vlib/unix/unix.h>
#include <vppinfra/vec_bootstrap.h>
+#include <vppinfra/elog.h>
#define vl_typedefs /* define message structures */
#include <vpp/api/vpe_all_api_h.h>
#undef vl_printfun
#if (CLIB_DEBUG > 0)
-/* Set VPPCOM_DEBUG 2 for connection debug, 3 for read/write debug output */
-#define VPPCOM_DEBUG 1
+/* Set VPPCOM_DEBUG_INIT 2 for connection debug,
+ * 3 for read/write debug output
+ * or
+ * export VCL_DEBUG=<#> to set dynamically.
+ */
+#define VPPCOM_DEBUG_INIT 1
#else
-#define VPPCOM_DEBUG 0
+#define VPPCOM_DEBUG_INIT 0
#endif
+#define VPPCOM_DEBUG vcm->debug
+
/*
* VPPCOM Private definitions and functions.
*/
typedef enum
{
- STATE_START,
- STATE_CONNECT,
- STATE_LISTEN,
- STATE_ACCEPT,
- STATE_DISCONNECT,
- STATE_FAILED
+ STATE_START = 0x01,
+ STATE_CONNECT = 0x02,
+ STATE_LISTEN = 0x04,
+ STATE_ACCEPT = 0x08,
+ STATE_CLOSE_ON_EMPTY = 0x10,
+ STATE_DISCONNECT = 0x20,
+ STATE_FAILED = 0x40
} session_state_t;
+#define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_CLOSE_ON_EMPTY)
+#define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_CLOSE_ON_EMPTY)
+
typedef struct epoll_event vppcom_epoll_event_t;
typedef struct
u32 vep_idx;
vppcom_epoll_event_t ev;
#define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT)
+#define VEP_UNSUPPORTED_EVENTS (EPOLLONESHOT|EPOLLEXCLUSIVE)
u32 et_mask;
} vppcom_epoll_t;
ip46_address_t ip46;
} vppcom_ip46_t;
+enum
+{
+ VCL_SESS_ATTR_SERVER,
+ VCL_SESS_ATTR_CUT_THRU,
+ VCL_SESS_ATTR_VEP,
+ VCL_SESS_ATTR_VEP_SESSION,
+ VCL_SESS_ATTR_LISTEN, // SOL_SOCKET,SO_ACCEPTCONN
+ VCL_SESS_ATTR_NONBLOCK, // fcntl,O_NONBLOCK
+ VCL_SESS_ATTR_REUSEADDR, // SOL_SOCKET,SO_REUSEADDR
+ VCL_SESS_ATTR_REUSEPORT, // SOL_SOCKET,SO_REUSEPORT
+ VCL_SESS_ATTR_BROADCAST, // SOL_SOCKET,SO_BROADCAST
+ VCL_SESS_ATTR_V6ONLY, // SOL_TCP,IPV6_V6ONLY
+ VCL_SESS_ATTR_KEEPALIVE, // SOL_SOCKET,SO_KEEPALIVE
+ VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY
+ VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE
+ VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL
+ VCL_SESS_ATTR_MAX
+} vppcom_session_attr_t;
+
+#define VCL_SESS_ATTR_SET(ATTR, VAL) \
+do { \
+ (ATTR) |= 1 << (VAL); \
+ } while (0)
+
+#define VCL_SESS_ATTR_CLR(ATTR, VAL) \
+do { \
+ (ATTR) &= ~(1 << (VAL)); \
+ } while (0)
+
+#define VCL_SESS_ATTR_TEST(ATTR, VAL) \
+ ((ATTR) & (1 << (VAL)) ? 1 : 0)
+
typedef struct
{
volatile session_state_t state;
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
+ svm_fifo_t *rx_fifo;
+ svm_fifo_t *tx_fifo;
+ u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF)
+ u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF)
+ u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG)
+ u8 *segment_name;
u32 sm_seg_index;
- u64 vpp_session_handle;
- unix_shared_memory_queue_t *vpp_event_queue;
+ u32 client_context;
+ u64 vpp_handle;
+ svm_queue_t *vpp_event_queue;
/* Socket configuration state */
- /* TBD: covert 'is_*' vars to bit in u8 flags; */
- u8 is_server;
- u8 is_listen;
- u8 is_cut_thru;
- u8 is_nonblocking;
u8 is_vep;
u8 is_vep_session;
+ u32 attr;
u32 wait_cont_idx;
vppcom_epoll_t vep;
- u32 vrf;
+ int libc_epfd;
vppcom_ip46_t lcl_addr;
vppcom_ip46_t peer_addr;
u16 lcl_port; // network order
u8 proto;
u64 client_queue_address;
u64 options[16];
+ elog_track_t elog_track;
+ vce_event_handler_reg_t *poll_reg;
} session_t;
typedef struct vppcom_cfg_t_
{
u64 heapsize;
+ u32 vpp_api_q_length;
u64 segment_baseva;
u32 segment_size;
u32 add_segment_size;
u32 tx_fifo_size;
u32 event_queue_size;
u32 listen_queue_size;
- u8 session_scope_local;
- u8 session_scope_global;
+ u8 app_proxy_transport_tcp;
+ u8 app_proxy_transport_udp;
+ u8 app_scope_local;
+ u8 app_scope_global;
u8 *namespace_id;
u64 namespace_secret;
f64 app_timeout;
f64 session_timeout;
f64 accept_timeout;
+ u32 event_ring_size;
+ char *event_log_path;
+ u8 *vpp_api_filename;
} vppcom_cfg_t;
typedef struct vppcom_main_t_
{
u8 init;
- u32 *client_session_index_fifo;
- volatile u32 bind_session_index;
+ u32 debug;
int main_cpu;
- /* vpe input queue */
- unix_shared_memory_queue_t *vl_input_queue;
+ /* FIFO for accepted connections - used in epoll/select */
+ clib_spinlock_t session_fifo_lockp;
+ u32 *client_session_index_fifo;
+
+ /* vpp input queue */
+ svm_queue_t *vl_input_queue;
/* API client handle */
u32 my_client_index;
-
/* Session pool */
clib_spinlock_t sessions_lockp;
session_t *sessions;
clib_bitmap_t *ex_bitmap;
/* Our event queue */
- unix_shared_memory_queue_t *app_event_queue;
+ svm_queue_t *app_event_queue;
/* unique segment name counter */
u32 unique_segment_index;
- pid_t my_pid;
-
/* For deadman timers */
clib_time_t clib_time;
vppcom_cfg_t cfg;
+ /* Event thread */
+ vce_event_thread_t event_thread;
+
+ /* IO thread */
+ vppcom_session_io_thread_t session_io_thread;
+
+ /* VPP Event-logger */
+ elog_main_t elog_main;
+ elog_track_t elog_track;
+
/* VNET_API_ERROR_FOO -> "Foo" hash table */
uword *error_string_by_error_number;
} vppcom_main_t;
-vppcom_main_t vppcom_main = {.my_client_index = ~0 };
+/* NOTE: _vppcom_main is only used until the heap is allocated.
+ * Do not access it directly -- use vcm which will point to
+ * the heap allocated copy after init.
+ */
+static vppcom_main_t _vppcom_main = {
+ .debug = VPPCOM_DEBUG_INIT,
+ .my_client_index = ~0
+};
+
+static vppcom_main_t *vcm = &_vppcom_main;
+
+#define VCL_SESSION_LOCK_AND_GET(I, S) \
+do { \
+ clib_spinlock_lock (&vcm->sessions_lockp); \
+ rv = vppcom_session_at_index (I, S); \
+ if (PREDICT_FALSE (rv)) \
+ { \
+ clib_spinlock_unlock (&vcm->sessions_lockp); \
+ clib_warning ("VCL<%d>: ERROR: Invalid ##I (%u)!", \
+ getpid (), I); \
+ goto done; \
+ } \
+} while (0)
+
+#define VCL_SESSION_LOCK() clib_spinlock_lock (&(vcm->sessions_lockp))
+#define VCL_SESSION_UNLOCK() clib_spinlock_unlock (&(vcm->sessions_lockp))
+
+#define VCL_IO_SESSIONS_LOCK() \
+ clib_spinlock_lock (&(vcm->session_io_thread.io_sessions_lockp))
+#define VCL_IO_SESSIONS_UNLOCK() \
+ clib_spinlock_unlock (&(vcm->session_io_thread.io_sessions_lockp))
+
+#define VCL_ACCEPT_FIFO_LOCK() clib_spinlock_lock (&(vcm->session_fifo_lockp))
+#define VCL_ACCEPT_FIFO_UNLOCK() \
+ clib_spinlock_unlock (&(vcm->session_fifo_lockp))
+
+#define VCL_EVENTS_LOCK() \
+ clib_spinlock_lock (&(vcm->event_thread.events_lockp))
+#define VCL_EVENTS_UNLOCK() \
+ clib_spinlock_unlock (&(vcm->event_thread.events_lockp))
static const char *
vppcom_app_state_str (app_state_t state)
st = "STATE_ACCEPT";
break;
+ case STATE_CLOSE_ON_EMPTY:
+ st = "STATE_CLOSE_ON_EMPTY";
+ break;
+
case STATE_DISCONNECT:
st = "STATE_DISCONNECT";
break;
return st;
}
+
/*
* VPPCOM Utility Functions
*/
+
static inline int
vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
{
- vppcom_main_t *vcm = &vppcom_main;
-
/* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
if (PREDICT_FALSE ((session_index == ~0) ||
pool_is_free_index (vcm->sessions, session_index)))
{
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
+ clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!",
+ getpid (), session_index);
return VPPCOM_EBADFD;
}
*sess = pool_elt_at_index (vcm->sessions, session_index);
return VPPCOM_OK;
}
+static inline void
+vppcom_session_table_add_listener (u64 listener_handle, u32 value)
+{
+ /* Session and listener handles have different formats. The latter has
+ * the thread index in the upper 32 bits while the former has the session
+ * type. Knowing that, for listeners we just flip the MSB to 1 */
+ listener_handle |= 1ULL << 63;
+ hash_set (vcm->session_index_by_vpp_handles, listener_handle, value);
+}
+
+static inline session_t *
+vppcom_session_table_lookup_listener (u64 listener_handle)
+{
+ uword *p;
+ u64 handle = listener_handle | (1ULL << 63);
+ session_t *session;
+
+ p = hash_get (vcm->session_index_by_vpp_handles, handle);
+ if (!p)
+ {
+ clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp "
+ "listener handle %llx", getpid (), listener_handle);
+ return 0;
+ }
+ if (pool_is_free_index (vcm->sessions, p[0]))
+ {
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: invalid listen session, sid (%u)",
+ getpid (), p[0]);
+ return 0;
+ }
+
+ session = pool_elt_at_index (vcm->sessions, p[0]);
+ ASSERT (session->state & STATE_LISTEN);
+ return session;
+}
+
+static inline void
+vppcom_session_table_del_listener (u64 listener_handle)
+{
+ listener_handle |= 1ULL << 63;
+ hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
+}
+
+static void
+write_elog (void)
+{
+ elog_main_t *em = &vcm->elog_main;
+ char *chroot_file;
+ clib_error_t *error = 0;
+
+ chroot_file =
+ (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
+ vcm->my_client_index, getpid (), 0);
+ error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
+ if (error)
+ {
+ clib_error_report (error);
+ }
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
+
+}
+
+static inline void
+vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
+{
+ vl_api_accept_session_reply_t *rmp;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
+ rmp->retval = htonl (retval);
+ rmp->context = context;
+ rmp->handle = handle;
+ vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
+}
+
static int
vppcom_connect_to_vpp (char *app_name)
{
api_main_t *am = &api_main;
- vppcom_main_t *vcm = &vppcom_main;
+ vppcom_cfg_t *vcl_cfg = &vcm->cfg;
+ int rv = VPPCOM_OK;
+
+ if (!vcl_cfg->vpp_api_filename)
+ vcl_cfg->vpp_api_filename = format (0, "/vpe-api%c", 0);
if (VPPCOM_DEBUG > 0)
- printf ("\nConnecting to VPP api...");
- if (vl_client_connect_to_vlib ("/vpe-api", app_name, 32) < 0)
+ clib_warning ("VCL<%d>: app (%s) connecting to VPP api (%s)...",
+ getpid (), app_name, vcl_cfg->vpp_api_filename);
+
+ if (vl_client_connect_to_vlib ((char *) vcl_cfg->vpp_api_filename, app_name,
+ vcm->cfg.vpp_api_q_length) < 0)
{
- clib_warning ("[%d] connect to vpp (%s) failed!",
- vcm->my_pid, app_name);
- return VPPCOM_ECONNREFUSED;
+ clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name);
+ rv = VPPCOM_ECONNREFUSED;
+ }
+ else
+ {
+ vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
+ vcm->my_client_index = (u32) am->my_client_index;
+ vcm->app_state = STATE_APP_CONN_VPP;
+
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: app (%s) is connected to VPP!",
+ getpid (), app_name);
}
- vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
- vcm->my_client_index = am->my_client_index;
if (VPPCOM_DEBUG > 0)
- printf (" connected!\n");
+ {
+ vcm->elog_main.lock =
+ clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
+ vcm->elog_main.lock[0] = 0;
+ vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
+ elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
+ elog_enable_disable (&vcm->elog_main, 1);
+
+ vcm->elog_track.name =
+ (char *) format (0, "P:%d:C:%d%c", getpid (),
+ vcm->my_client_index, 0);
+ elog_track_register (&vcm->elog_main, &vcm->elog_track);
- vcm->app_state = STATE_APP_CONN_VPP;
- return VPPCOM_OK;
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "connect_vpp:rv:%d",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
+ ed->data = (u32) rv;
+ /* *INDENT-ON* */
+ }
+ return rv;
}
static u8 *
format_api_error (u8 * s, va_list * args)
{
- vppcom_main_t *vcm = &vppcom_main;
i32 error = va_arg (*args, u32);
uword *p;
static void
vppcom_init_error_string_table (void)
{
- vppcom_main_t *vcm = &vppcom_main;
-
vcm->error_string_by_error_number = hash_create (0, sizeof (uword));
-#define _(n,v,s) hash_set (vcm->error_string_by_error_number, -v, s);
+#define _(n, v, s) hash_set (vcm->error_string_by_error_number, -v, s);
foreach_vnet_api_error;
#undef _
static inline int
vppcom_wait_for_app_state_change (app_state_t app_state)
{
- vppcom_main_t *vcm = &vppcom_main;
f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
while (clib_time_now (&vcm->clib_time) < timeout)
return VPPCOM_OK;
}
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] timeout waiting for state %s (%d)", vcm->my_pid,
+ clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (),
vppcom_app_state_str (app_state), app_state);
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "ERR: timeout state:%d",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
+
+ ed->data = app_state;
+ /* *INDENT-ON* */
+ }
+
return VPPCOM_ETIMEDOUT;
}
session_state_t state,
f64 wait_for_time)
{
- vppcom_main_t *vcm = &vppcom_main;
f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
session_t *volatile session;
int rv;
do
{
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK ();
rv = vppcom_session_at_index (session_index, &session);
if (PREDICT_FALSE (rv))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
return rv;
}
- if (session->state == state)
+ if (session->state & state)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
return VPPCOM_OK;
}
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ if (session->state & STATE_FAILED)
+ {
+ VCL_SESSION_UNLOCK ();
+ return VPPCOM_ECONNREFUSED;
+ }
+
+ VCL_SESSION_UNLOCK ();
}
while (clib_time_now (&vcm->clib_time) < timeout);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] timeout waiting for state %s (%d)", vcm->my_pid,
- vppcom_session_state_str (state), state);
- return VPPCOM_ETIMEDOUT;
-}
-
-static inline int
-vppcom_wait_for_client_session_index (f64 wait_for_time)
-{
- vppcom_main_t *vcm = &vppcom_main;
- f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
+ clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (),
+ state, vppcom_session_state_str (state));
- do
+ if (VPPCOM_DEBUG > 0)
{
- if (clib_fifo_elts (vcm->client_session_index_fifo))
- return VPPCOM_OK;
- }
- while (clib_time_now (&vcm->clib_time) < timeout);
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "ERR: timeout state:%d",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
- if (wait_for_time == 0)
- return VPPCOM_EAGAIN;
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->data = state;
+ /* *INDENT-ON* */
+ }
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] timeout waiting for client_session_index",
- vcm->my_pid);
return VPPCOM_ETIMEDOUT;
}
static void
vppcom_send_session_enable_disable (u8 is_enable)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_session_enable_disable_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
static int
vppcom_app_session_enable (void)
{
- vppcom_main_t *vcm = &vppcom_main;
int rv;
if (vcm->app_state != STATE_APP_ENABLED)
if (PREDICT_FALSE (rv))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] Session enable timed out, rv = %s (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
+ clib_warning ("VCL<%d>: application session enable timed out! "
+ "returning %d (%s)",
+ getpid (), rv, vppcom_retval_str (rv));
return rv;
}
}
vl_api_session_enable_disable_reply_t_handler
(vl_api_session_enable_disable_reply_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
-
if (mp->retval)
{
- clib_warning ("[%d] session_enable_disable failed: %U", vcm->my_pid,
+ clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (),
format_api_error, ntohl (mp->retval));
}
else
static void
vppcom_app_send_attach (void)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_application_attach_t *bmp;
u8 nsid_len = vec_len (vcm->cfg.namespace_id);
+ u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp ||
+ vcm->cfg.app_proxy_transport_udp);
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
bmp->context = htonl (0xfeedface);
bmp->options[APP_OPTIONS_FLAGS] =
APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
- (vcm->cfg.session_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) |
- (vcm->cfg.session_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0);
- bmp->options[SESSION_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
- bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
- bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
- bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
+ (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) |
+ (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) |
+ (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0);
+ bmp->options[APP_OPTIONS_PROXY_TRANSPORT] =
+ (u64) ((vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
+ (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0));
+ bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
+ bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
+ bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
+ bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
+ bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
+ vcm->cfg.preallocated_fifo_pairs;
+ bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size;
if (nsid_len)
{
bmp->namespace_id_len = nsid_len;
static int
vppcom_app_attach (void)
{
- vppcom_main_t *vcm = &vppcom_main;
int rv;
vppcom_app_send_attach ();
if (PREDICT_FALSE (rv))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] application attach timed out, rv = %s (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
+ clib_warning ("VCL<%d>: application attach timed out! "
+ "returning %d (%s)",
+ getpid (), rv, vppcom_retval_str (rv));
return rv;
}
+
return VPPCOM_OK;
}
static void
vppcom_app_detach (void)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_application_detach_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
mp)
{
- vppcom_main_t *vcm = &vppcom_main;
static svm_fifo_segment_create_args_t _a;
svm_fifo_segment_create_args_t *a = &_a;
int rv;
memset (a, 0, sizeof (*a));
if (mp->retval)
{
- clib_warning ("[%d] attach failed: %U", vcm->my_pid,
+ clib_warning ("VCL<%d>: attach failed: %U", getpid (),
format_api_error, ntohl (mp->retval));
return;
}
if (mp->segment_name_length == 0)
{
- clib_warning ("[%d] segment_name_length zero", vcm->my_pid);
+ clib_warning ("VCL<%d>: segment_name_length zero", getpid ());
return;
}
vec_reset_length (a->new_segment_indices);
if (PREDICT_FALSE (rv))
{
- clib_warning ("[%d] svm_fifo_segment_attach ('%s') failed", vcm->my_pid,
- mp->segment_name);
+ clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
+ getpid (), mp->segment_name);
return;
}
vcm->app_event_queue =
- uword_to_pointer (mp->app_event_queue_address,
- unix_shared_memory_queue_t *);
+ uword_to_pointer (mp->app_event_queue_address, svm_queue_t *);
vcm->app_state = STATE_APP_ATTACHED;
}
vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
mp)
{
- vppcom_main_t *vcm = &vppcom_main;
-
if (mp->retval)
- clib_warning ("[%d] detach failed: %U", vcm->my_pid, format_api_error,
+ clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error,
ntohl (mp->retval));
vcm->app_state = STATE_APP_ENABLED;
vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
mp)
{
- vppcom_main_t *vcm = &vppcom_main;
- uword *p;
-
- p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
- if (p)
- {
- session_t *session = 0;
- int rv;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (p[0], &session);
- if (PREDICT_FALSE (rv))
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, p[0]);
- }
- hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
- session->state = STATE_DISCONNECT;
- clib_spinlock_unlock (&vcm->sessions_lockp);
- }
- else
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] couldn't find session key %llx", vcm->my_pid,
- mp->handle);
- }
-
if (mp->retval)
- clib_warning ("[%d] disconnect_session failed: %U", vcm->my_pid,
- format_api_error, ntohl (mp->retval));
+ clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U",
+ getpid (), mp->handle, format_api_error,
+ ntohl (mp->retval));
}
static void
vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
static svm_fifo_segment_create_args_t _a;
svm_fifo_segment_create_args_t *a = &_a;
int rv;
vec_reset_length (a->new_segment_indices);
if (PREDICT_FALSE (rv))
{
- clib_warning ("[%d] svm_fifo_segment_attach ('%s') failed",
- vcm->my_pid, mp->segment_name);
+ clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
+ getpid (), mp->segment_name);
return;
}
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] mapped new segment '%s' size %d", vcm->my_pid,
+ clib_warning ("VCL<%d>: mapped new segment '%s' size %d", getpid (),
mp->segment_name, mp->segment_size);
}
+static void
+vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
+{
+
+/*
+ * XXX Need segment_name to session_id hash,
+ * XXX - have sessionID by handle hash currently
+ */
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("Unmapped segment '%s'", mp->segment_name);
+}
+
static void
vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
- session_t *session = 0;
- vl_api_disconnect_session_reply_t *rmp;
uword *p;
- int rv = 0;
p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
if (p)
{
- int rval;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rval = vppcom_session_at_index (p[0], &session);
- if (PREDICT_FALSE (rval))
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, p[0]);
- }
- else
- pool_put (vcm->sessions, session);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
- }
- else
- {
- clib_warning ("[%d] couldn't find session key %llx", vcm->my_pid,
- mp->handle);
- rv = -11;
- }
+ int rv;
+ session_t *session = 0;
+ u32 session_index = p[0];
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ session->state = STATE_CLOSE_ON_EMPTY;
- rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
- rmp->retval = htonl (rv);
- rmp->handle = mp->handle;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "setting state to 0x%x (%s)",
+ getpid (), mp->handle, session_index, session->state,
+ vppcom_session_state_str (session->state));
+ VCL_SESSION_UNLOCK ();
+ return;
+
+ done:
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "session lookup failed!",
+ getpid (), mp->handle, session_index);
+ }
+ else
+ clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by "
+ "handle failed!", getpid (), mp->handle);
}
static void
vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
vl_api_reset_session_reply_t *rmp;
uword *p;
if (p)
{
int rval;
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK ();
rval = vppcom_session_at_index (p[0], &session);
if (PREDICT_FALSE (rval))
{
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, p[0]);
+ rv = VNET_API_ERROR_INVALID_VALUE_2;
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "session lookup failed! returning %d %U",
+ getpid (), mp->handle, p[0],
+ rv, format_api_error, rv);
}
else
- pool_put (vcm->sessions, session);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
+ {
+ /* TBD: should this disconnect immediately and
+ * flush the fifos?
+ */
+ session->state = STATE_CLOSE_ON_EMPTY;
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "state set to %d (%s)!", getpid (),
+ mp->handle, p[0], session->state,
+ vppcom_session_state_str (session->state));
+ }
+ VCL_SESSION_UNLOCK ();
}
else
{
- clib_warning ("[%d] couldn't find session key %llx", vcm->my_pid,
- mp->handle);
- rv = -11;
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup "
+ "failed! returning %d %U",
+ getpid (), mp->handle, rv, format_api_error, rv);
}
rmp = vl_msg_api_alloc (sizeof (*rmp));
static void
vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
- session_t *session;
+ session_t *session = 0;
u32 session_index;
svm_fifo_t *rx_fifo, *tx_fifo;
- u8 is_cut_thru = 0;
- int rv;
-
- if (mp->retval)
- {
- clib_warning ("[%d] connect failed: %U", vcm->my_pid, format_api_error,
- ntohl (mp->retval));
- return;
- }
+ int rv = VPPCOM_OK;
session_index = mp->context;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session_index = %d 0x%08x", vcm->my_pid,
- session_index, session_index);
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- if (pool_is_free_index (vcm->sessions, session_index))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid %d is closed!",
- vcm->my_pid, session_index);
- return;
- }
-
- /* We've been redirected */
- if (mp->segment_name_length > 0)
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+done:
+ if (mp->retval)
{
- static svm_fifo_segment_create_args_t _a;
- svm_fifo_segment_create_args_t *a = &_a;
-
- is_cut_thru = 1;
- memset (a, 0, sizeof (*a));
- a->segment_name = (char *) mp->segment_name;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] cut-thru segment: %s", vcm->my_pid,
- a->segment_name);
- rv = svm_fifo_segment_attach (a);
- vec_reset_length (a->new_segment_indices);
- if (PREDICT_FALSE (rv))
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "connect failed! %U",
+ getpid (), mp->handle, session_index,
+ format_api_error, ntohl (mp->retval));
+ if (session)
+ {
+ session->state = STATE_FAILED;
+ session->vpp_handle = mp->handle;
+ }
+ else
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- clib_warning ("[%d] sm_fifo_segment_attach ('%s') failed",
- vcm->my_pid, a->segment_name);
- return;
+ clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
+ "Invalid session index (%u)!",
+ getpid (), mp->handle, session_index);
}
+ goto done_unlock;
}
+ if (rv)
+ goto done_unlock;
+
/*
* Setup session
*/
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] client sid %d", vcm->my_pid, session_index);
-
- session = pool_elt_at_index (vcm->sessions, session_index);
- session->is_cut_thru = is_cut_thru;
+ if (vcm->session_io_thread.io_sessions_lockp)
+ {
+ // Add this connection to the active io sessions list
+ VCL_IO_SESSIONS_LOCK ();
+ u32 *active_session_index;
+ pool_get (vcm->session_io_thread.active_session_indexes,
+ active_session_index);
+ *active_session_index = session_index;
+ VCL_IO_SESSIONS_UNLOCK ();
+ }
session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- unix_shared_memory_queue_t *);
+ svm_queue_t *);
rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
rx_fifo->client_session_index = session_index;
tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
tx_fifo->client_session_index = session_index;
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
- session->vpp_session_handle = mp->handle;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+ session->vpp_handle = mp->handle;
+ session->lcl_addr.is_ip4 = mp->is_ip4;
+ clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
+ sizeof (session->peer_addr.ip46));
+ session->lcl_port = mp->lcl_port;
session->state = STATE_CONNECT;
/* Add it to lookup table */
hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!"
+ " session_rx_fifo %p, refcnt %d,"
+ " session_tx_fifo %p, refcnt %d",
+ getpid (), mp->handle, session_index,
+ session->rx_fifo,
+ session->rx_fifo->refcnt,
+ session->tx_fifo, session->tx_fifo->refcnt);
+done_unlock:
+ VCL_SESSION_UNLOCK ();
}
static void
vppcom_send_connect_sock (session_t * session, u32 session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_connect_sock_t *cmp;
/* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
- session->is_server = 0;
cmp = vl_msg_api_alloc (sizeof (*cmp));
memset (cmp, 0, sizeof (*cmp));
cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
cmp->client_index = vcm->my_client_index;
cmp->context = session_index;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session_index = %d 0x%08x",
- vcm->my_pid, session_index, session_index);
-
- cmp->vrf = session->vrf;
cmp->is_ip4 = session->peer_addr.is_ip4;
clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
cmp->port = session->peer_port;
vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
}
-static int
-vppcom_send_disconnect (u32 session_index)
+static inline void
+vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
+ int rv)
+{
+ vl_api_disconnect_session_reply_t *rmp;
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "sending disconnect msg",
+ getpid (), vpp_handle, session_index);
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+
+ rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
+ rmp->retval = htonl (rv);
+ rmp->handle = vpp_handle;
+ vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
+}
+
+static inline void
+vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_disconnect_session_t *dmp;
- session_t *session = 0;
- int rv;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return rv;
- }
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "sending disconnect msg",
+ getpid (), vpp_handle, session_index);
dmp = vl_msg_api_alloc (sizeof (*dmp));
memset (dmp, 0, sizeof (*dmp));
dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
dmp->client_index = vcm->my_client_index;
- dmp->handle = session->vpp_session_handle;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ dmp->handle = vpp_handle;
vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
- return VPPCOM_OK;
}
static void
vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
+ u32 session_index = mp->context;
int rv;
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+done:
if (mp->retval)
- clib_warning ("[%d] bind failed: %U", vcm->my_pid, format_api_error,
- ntohl (mp->retval));
-
- ASSERT (vcm->bind_session_index != ~0);
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (vcm->bind_session_index, &session);
- if (rv == VPPCOM_OK)
{
- session->vpp_session_handle = mp->handle;
- hash_set (vcm->session_index_by_vpp_handles, mp->handle,
- vcm->bind_session_index);
- session->state = mp->retval ? STATE_FAILED : STATE_LISTEN;
- vcm->bind_session_index = ~0;
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, "
+ "sid %u: bind failed: %U",
+ getpid (), mp->handle, session_index,
+ format_api_error, ntohl (mp->retval));
+ rv = vppcom_session_at_index (session_index, &session);
+ if (rv == VPPCOM_OK)
+ {
+ session->state = STATE_FAILED;
+ session->vpp_handle = mp->handle;
+ }
+ else
+ {
+ clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
+ "Invalid session index (%u)!",
+ getpid (), mp->handle, session_index);
+ }
+ goto done_unlock;
}
- clib_spinlock_unlock (&vcm->sessions_lockp);
+
+ session->vpp_handle = mp->handle;
+ session->lcl_addr.is_ip4 = mp->lcl_is_ip4;
+ session->lcl_addr.ip46 = to_ip46 (!mp->lcl_is_ip4, mp->lcl_ip);
+ session->lcl_port = mp->lcl_port;
+ vppcom_session_table_add_listener (mp->handle, session_index);
+ session->state = STATE_LISTEN;
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
+ getpid (), mp->handle, mp->context);
+done_unlock:
+ VCL_SESSION_UNLOCK ();
}
static void
vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
- session_t *session = 0;
- int rv;
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (vcm->bind_session_index, &session);
- if (rv == VPPCOM_OK)
- {
- if ((VPPCOM_DEBUG > 1) && (mp->retval))
- clib_warning ("[%d] unbind failed: %U", vcm->my_pid, format_api_error,
- ntohl (mp->retval));
+ if (mp->retval)
+ clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U",
+ getpid (), mp->context, format_api_error,
+ ntohl (mp->retval));
- vcm->bind_session_index = ~0;
- session->state = STATE_START;
- }
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ else if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
+ getpid (), mp->context);
}
u8 *
static void
vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
{
- vppcom_main_t *vcm = &vppcom_main;
- vl_api_accept_session_reply_t *rmp;
svm_fifo_t *rx_fifo, *tx_fifo;
- session_t *session;
+ session_t *session, *listen_session;
u32 session_index;
- int rv = 0;
+ vce_event_connect_request_t *ecr;
+ vce_event_t *ev;
+ int rv;
+ u32 ev_idx;
+ uword elts = 0;
- if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
+ VCL_SESSION_LOCK ();
+
+ VCL_ACCEPT_FIFO_LOCK ();
+ elts = clib_fifo_free_elts (vcm->client_session_index_fifo);
+ VCL_ACCEPT_FIFO_UNLOCK ();
+
+ if (!elts)
{
- clib_warning ("[%d] client session queue is full!", vcm->my_pid);
- rv = VNET_API_ERROR_QUEUE_FULL;
- goto send_reply;
+ clib_warning ("VCL<%d>: client session queue is full!", getpid ());
+ vppcom_send_accept_session_reply (mp->handle, mp->context,
+ VNET_API_ERROR_QUEUE_FULL);
+ VCL_SESSION_UNLOCK ();
+ return;
}
- if (VPPCOM_DEBUG > 1)
+ listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
+ if (!listen_session)
{
- u8 *ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
- clib_warning ("[%d] accepted session from: %s:%d", vcm->my_pid, ip_str,
- clib_net_to_host_u16 (mp->port));
- vec_free (ip_str);
+ clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
+ "unknown vpp listener handle %llx",
+ getpid (), mp->listener_handle);
+ vppcom_send_accept_session_reply (mp->handle, mp->context,
+ VNET_API_ERROR_INVALID_ARGUMENT);
+ VCL_SESSION_UNLOCK ();
+ return;
}
- clib_spinlock_lock (&vcm->sessions_lockp);
+ /* TODO check listener depth and update */
+ /* TODO on "child" fd close, update listener depth */
+
/* Allocate local session and set it up */
pool_get (vcm->sessions, session);
memset (session, 0, sizeof (*session));
- session_index = session - vcm->sessions;
+ session_index = (u32) (session - vcm->sessions);
rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
rx_fifo->client_session_index = session_index;
tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
tx_fifo->client_session_index = session_index;
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
+ session->vpp_handle = mp->handle;
+ session->client_context = mp->context;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- unix_shared_memory_queue_t *);
+ svm_queue_t *);
session->state = STATE_ACCEPT;
- session->is_cut_thru = 0;
- session->is_server = 1;
session->peer_port = mp->port;
session->peer_addr.is_ip4 = mp->is_ip4;
- clib_memcpy (&session->peer_addr.ip46, mp->ip,
- sizeof (session->peer_addr.ip46));
+ session->peer_addr.ip46 = to_ip46 (!mp->is_ip4, mp->ip);
/* Add it to lookup table */
hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
+ session->lcl_port = listen_session->lcl_port;
+ session->lcl_addr = listen_session->lcl_addr;
- clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ /* Create an event for handlers */
- /*
- * Send accept reply to vpp
- */
-send_reply:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
- rmp->retval = htonl (rv);
- rmp->handle = mp->handle;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
-}
+ VCL_EVENTS_LOCK ();
-/*
- * Acting as server for redirected connect requests
- */
-static void
-vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
-{
- static svm_fifo_segment_create_args_t _a;
- svm_fifo_segment_create_args_t *a = &_a;
- vppcom_main_t *vcm = &vppcom_main;
- u32 session_index;
- svm_fifo_segment_private_t *seg;
- unix_shared_memory_queue_t *client_q;
- vl_api_connect_session_reply_t *rmp;
- session_t *session = 0;
- int rv = 0;
- svm_fifo_t *rx_fifo;
- svm_fifo_t *tx_fifo;
- unix_shared_memory_queue_t *event_q = 0;
+ pool_get (vcm->event_thread.vce_events, ev);
+ ev_idx = (u32) (ev - vcm->event_thread.vce_events);
+ ecr = vce_get_event_data (ev, sizeof (*ecr));
+ ev->evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
+ listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
+ ev->evk.session_index = (u32) (listen_session - vcm->sessions);
+ ecr->accepted_session_index = session_index;
- clib_spinlock_lock (&vcm->sessions_lockp);
- if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] client session queue is full!", vcm->my_pid);
- rv = VNET_API_ERROR_QUEUE_FULL;
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto send_reply;
- }
+ VCL_EVENTS_UNLOCK ();
- /* Create the segment */
- memset (a, 0, sizeof (*a));
- a->segment_name = (char *) format ((u8 *) a->segment_name, "%d:segment%d%c",
- vcm->my_pid, vcm->unique_segment_index++,
- 0);
- a->segment_size = vcm->cfg.segment_size;
- a->preallocated_fifo_pairs = vcm->cfg.preallocated_fifo_pairs;
- a->rx_fifo_size = vcm->cfg.rx_fifo_size;
- a->tx_fifo_size = vcm->cfg.tx_fifo_size;
-
- rv = svm_fifo_segment_create (a);
- if (PREDICT_FALSE (rv))
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] svm_fifo_segment_create ('%s') failed",
- vcm->my_pid, a->segment_name);
- vec_reset_length (a->new_segment_indices);
- rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
- goto send_reply;
- }
+ rv = vce_generate_event (&vcm->event_thread, ev_idx);
+ ASSERT (rv == 0);
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] created segment '%s'", vcm->my_pid, a->segment_name);
-
- pool_get (vcm->sessions, session);
- memset (session, 0, sizeof (*session));
- session_index = session - vcm->sessions;
-
- session->sm_seg_index = a->new_segment_indices[0];
- vec_reset_length (a->new_segment_indices);
-
- seg = svm_fifo_segment_get_segment (session->sm_seg_index);
- rx_fifo = session->server_rx_fifo =
- svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size,
- FIFO_SEGMENT_RX_FREELIST);
- if (PREDICT_FALSE (!session->server_rx_fifo))
- {
- svm_fifo_segment_delete (seg);
- clib_warning ("[%d] rx fifo alloc failed, size %ld (0x%lx)",
- vcm->my_pid, vcm->cfg.rx_fifo_size,
- vcm->cfg.rx_fifo_size);
- rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto send_reply;
- }
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept "
+ "request from %s address %U port %d queue %p!", getpid (),
+ mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address, &mp->ip,
+ mp->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (mp->port), session->vpp_event_queue);
- tx_fifo = session->server_tx_fifo =
- svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size,
- FIFO_SEGMENT_TX_FREELIST);
- if (PREDICT_FALSE (!session->server_tx_fifo))
+ if (VPPCOM_DEBUG > 0)
{
- svm_fifo_segment_delete (seg);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] tx fifo alloc failed, size %ld (0x%lx)",
- vcm->my_pid, vcm->cfg.tx_fifo_size,
- vcm->cfg.tx_fifo_size);
- rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto send_reply;
- }
-
- session->server_rx_fifo->master_session_index = session_index;
- session->server_tx_fifo->master_session_index = session_index;
- session->client_queue_address = mp->client_queue_address;
- session->is_cut_thru = 1;
- session->is_server = 1;
- session->peer_port = mp->port;
- session->peer_addr.is_ip4 = mp->is_ip4;
- clib_memcpy (&session->peer_addr.ip46, mp->ip,
- sizeof (session->peer_addr.ip46));
- {
- void *oldheap;
- ssvm_shared_header_t *sh = seg->ssvm.sh;
-
- ssvm_lock_non_recursive (sh, 1);
- oldheap = ssvm_push_heap (sh);
- event_q = session->vpp_event_queue =
- unix_shared_memory_queue_init (vcm->cfg.event_queue_size,
- sizeof (session_fifo_event_t),
- vcm->my_pid, 0 /* signal not sent */ );
- ssvm_pop_heap (oldheap);
- ssvm_unlock_non_recursive (sh);
- }
-
- session->state = STATE_ACCEPT;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] Connected cut-thru to client: sid %d",
- vcm->my_pid, session_index);
- clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
-
-send_reply:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
+ session->elog_track.name =
+ (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
+ session_index, 0);
+ elog_track_register (&vcm->elog_main, &session->elog_track);
- rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
- rmp->context = mp->context;
- rmp->retval = htonl (rv);
- rmp->segment_name_length = vec_len (a->segment_name);
- clib_memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
- vec_reset_length (a->segment_name);
-
- if (event_q)
- {
- rmp->vpp_event_queue_address = pointer_to_uword (event_q);
- rmp->server_rx_fifo = pointer_to_uword (rx_fifo);
- rmp->server_tx_fifo = pointer_to_uword (tx_fifo);
+ if (session->peer_addr.is_ip4)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format =
+ "client_accept:handle:%x addr:%d.%d.%d.%d:%d",
+ .format_args = "i8i1i1i1i1i2",
+ };
+
+ CLIB_PACKED (struct {
+ u64 handle; //8
+ u8 addr[4]; //4
+ u16 port; //2
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->handle = mp->handle;
+ ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
+ ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
+ ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
+ ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
+ ed->port = clib_net_to_host_u16 (session->peer_port);
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ clib_warning ("ip6");
+ }
}
- client_q =
- uword_to_pointer (mp->client_queue_address, unix_shared_memory_queue_t *);
- ASSERT (client_q);
- vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
+ VCL_SESSION_UNLOCK ();
+
}
+/* VPP combines bind and listen as one operation. VCL manages the separation
+ * of bind and listen locally via vppcom_session_bind() and
+ * vppcom_session_listen() */
static void
-vppcom_send_bind_sock (session_t * session)
+vppcom_send_bind_sock (session_t * session, u32 session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_bind_sock_t *bmp;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- session->is_server = 1;
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
bmp->client_index = vcm->my_client_index;
- bmp->context = htonl (0xfeedface);
- bmp->vrf = session->vrf;
+ bmp->context = session_index;
bmp->is_ip4 = session->lcl_addr.is_ip4;
clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
bmp->port = session->lcl_port;
}
static void
-vppcom_send_unbind_sock (u32 session_index)
+vppcom_send_unbind_sock (u64 vpp_handle)
{
- vppcom_main_t *vcm = &vppcom_main;
vl_api_unbind_sock_t *ump;
- session_t *session = 0;
- int rv;
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return;
- }
ump = vl_msg_api_alloc (sizeof (*ump));
memset (ump, 0, sizeof (*ump));
ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
ump->client_index = vcm->my_client_index;
- ump->handle = session->vpp_session_handle;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ ump->handle = vpp_handle;
vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
}
static int
-vppcom_session_unbind_cut_thru (session_t * session)
+vppcom_session_unbind (u32 session_index)
{
- svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
- svm_fifo_segment_private_t *seg;
- int rv = VPPCOM_OK;
+ session_t *session = 0;
+ int rv;
+ u64 vpp_handle;
+ elog_track_t session_elog_track;
+
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+
+ vpp_handle = session->vpp_handle;
+ vppcom_session_table_del_listener (vpp_handle);
+ session->vpp_handle = ~0;
+ session->state = STATE_DISCONNECT;
+ session_elog_track = session->elog_track;
+
+ VCL_SESSION_UNLOCK ();
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "sending unbind msg! new state 0x%x (%s)",
+ getpid (), vpp_handle, session_index,
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT));
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "unbind: handle:%x",
+ .format_args = "i8",
+ };
+
+ struct
+ {
+ u64 handle;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
+ ed->handle = vpp_handle;
+ /* *INDENT-ON* */
+ }
- seg = vec_elt_at_index (sm->segments, session->sm_seg_index);
- svm_fifo_segment_free_fifo (seg, session->server_rx_fifo,
- FIFO_SEGMENT_RX_FREELIST);
- svm_fifo_segment_free_fifo (seg, session->server_tx_fifo,
- FIFO_SEGMENT_TX_FREELIST);
- svm_fifo_segment_delete (seg);
+ vppcom_send_unbind_sock (vpp_handle);
+done:
return rv;
}
-static int
-vppcom_session_unbind (u32 session_index)
+static inline int
+vppcom_session_disconnect (u32 session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
int rv;
+ session_t *session;
+ u64 vpp_handle;
+ session_state_t state;
+
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
- clib_spinlock_lock (&vcm->sessions_lockp);
- if (PREDICT_FALSE (pool_is_free_index (vcm->sessions, session_index)))
+ vpp_handle = session->vpp_handle;
+ state = session->state;
+ VCL_SESSION_UNLOCK ();
+
+ if (VPPCOM_DEBUG > 1)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u "
+ "state 0x%x (%s)",
+ getpid (), vpp_handle, session_index,
+ state, vppcom_session_state_str (state));
}
- clib_spinlock_unlock (&vcm->sessions_lockp);
- vcm->bind_session_index = session_index;
- vppcom_send_unbind_sock (session_index);
- rv = vppcom_wait_for_session_state_change (session_index, STATE_START,
- vcm->cfg.session_timeout);
- if (PREDICT_FALSE (rv))
+ if (PREDICT_FALSE (state & STATE_LISTEN))
{
- vcm->bind_session_index = ~0;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] server unbind timed out, rv = %s (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
- return rv;
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "Cannot disconnect a listen socket!",
+ getpid (), vpp_handle, session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- return VPPCOM_OK;
-}
-static int
-vppcom_session_disconnect (u32 session_index)
-{
- vppcom_main_t *vcm = &vppcom_main;
- int rv;
-
- rv = vppcom_send_disconnect (session_index);
- if (PREDICT_FALSE (rv))
- return rv;
+ /* The peer has already initiated the close,
+ * so send the disconnect session reply.
+ */
+ if (state & STATE_CLOSE_ON_EMPTY)
+ {
+ //XXX alagalah - Check and drain here?
+ vppcom_send_disconnect_session_reply (vpp_handle,
+ session_index, 0 /* rv */ );
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "sending disconnect REPLY...",
+ getpid (), vpp_handle, session_index);
+ }
- rv = vppcom_wait_for_session_state_change (session_index, STATE_DISCONNECT,
- vcm->cfg.session_timeout);
- if (PREDICT_FALSE (rv))
+ /* Otherwise, send a disconnect session msg...
+ */
+ else
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] client disconnect timed out, rv = %s (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
- return rv;
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "sending disconnect...",
+ getpid (), vpp_handle, session_index);
+
+ vppcom_send_disconnect_session (vpp_handle, session_index);
}
- return VPPCOM_OK;
+
+done:
+ return rv;
}
#define foreach_sock_msg \
_(BIND_SOCK_REPLY, bind_sock_reply) \
_(UNBIND_SOCK_REPLY, unbind_sock_reply) \
_(ACCEPT_SESSION, accept_session) \
-_(CONNECT_SOCK, connect_sock) \
_(CONNECT_SESSION_REPLY, connect_session_reply) \
_(DISCONNECT_SESSION, disconnect_session) \
_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
_(RESET_SESSION, reset_session) \
_(APPLICATION_ATTACH_REPLY, application_attach_reply) \
_(APPLICATION_DETACH_REPLY, application_detach_reply) \
-_(MAP_ANOTHER_SEGMENT, map_another_segment)
+_(MAP_ANOTHER_SEGMENT, map_another_segment) \
+_(UNMAP_SEGMENT, unmap_segment)
static void
vppcom_api_hookup (void)
{
-#define _(N,n) \
+#define _(N, n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
ASSERT (vcl_cfg);
vcl_cfg->heapsize = (256ULL << 20);
+ vcl_cfg->vpp_api_q_length = 1024;
vcl_cfg->segment_baseva = 0x200000000ULL;
vcl_cfg->segment_size = (256 << 20);
vcl_cfg->add_segment_size = (128 << 20);
vcl_cfg->app_timeout = 10 * 60.0;
vcl_cfg->session_timeout = 10 * 60.0;
vcl_cfg->accept_timeout = 60.0;
+ vcl_cfg->event_ring_size = (128 << 10);
+ vcl_cfg->event_log_path = "/dev/shm";
}
static void
vppcom_cfg_heapsize (char *conf_fname)
{
- vppcom_main_t *vcm = &vppcom_main;
vppcom_cfg_t *vcl_cfg = &vcm->cfg;
FILE *fp;
char inbuf[4096];
int i;
u8 *sizep;
u32 size;
+ void *vcl_mem;
+ void *heap;
fp = fopen (conf_fname, "r");
if (fp == NULL)
{
if (VPPCOM_DEBUG > 0)
- fprintf (stderr, "open configuration file '%s' failed\n", conf_fname);
+ clib_warning ("VCL<%d>: using default heapsize %lld (0x%llx)",
+ getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
+
argv = calloc (1, sizeof (char *));
if (argv == NULL)
- goto defaulted;
+ {
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: calloc failed, using default "
+ "heapsize %lld (0x%llx)",
+ getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
+ goto defaulted;
+ }
while (1)
{
argc++;
char **tmp = realloc (argv, argc * sizeof (char *));
if (tmp == NULL)
- goto defaulted;
+ {
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: realloc failed, "
+ "using default heapsize %lld (0x%llx)",
+ getpid (), vcl_cfg->heapsize,
+ vcl_cfg->heapsize);
+ goto defaulted;
+ }
argv = tmp;
arg = strndup (p, 1024);
if (arg == NULL)
- goto defaulted;
+ {
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: strndup failed, "
+ "using default heapsize %lld (0x%llx)",
+ getpid (), vcl_cfg->heapsize,
+ vcl_cfg->heapsize);
+ goto defaulted;
+ }
argv[argc - 1] = arg;
p = strtok (NULL, " \t\n");
}
char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
if (tmp == NULL)
- goto defaulted;
+ {
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: realloc failed, "
+ "using default heapsize %lld (0x%llx)",
+ getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
+ goto defaulted;
+ }
argv = tmp;
argv[argc] = NULL;
if (size == 0)
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] parse error '%s %s', "
+ clib_warning ("VCL<%d>: parse error '%s %s', "
"using default heapsize %lld (0x%llx)",
- vcm->my_pid, argv[i], argv[i + 1],
+ getpid (), argv[i], argv[i + 1],
vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
else
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] parse error '%s %s', "
+ clib_warning ("VCL<%d>: parse error '%s %s', "
"using default heapsize %lld (0x%llx)",
- vcm->my_pid, argv[i], argv[i + 1],
+ getpid (), argv[i], argv[i + 1],
vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
fclose (fp);
if (argv != NULL)
free (argv);
- if (!clib_mem_init (0, vcl_cfg->heapsize))
- clib_warning ("[%d] vppcom heap allocation failure!", vcm->my_pid);
- else if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] allocated vppcom heapsize %lld (0x%llx)",
- vcm->my_pid, vcl_cfg->heapsize, vcl_cfg->heapsize);
+
+ vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
+ MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+ if (vcl_mem == MAP_FAILED)
+ {
+ clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
+ "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
+ "-1, 0) failed!",
+ getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
+ ASSERT (vcl_mem != MAP_FAILED);
+ return;
+ }
+ heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
+ if (!heap)
+ {
+ clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
+ ASSERT (heap);
+ return;
+ }
+ vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
+ if (!vcl_mem)
+ {
+ clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ());
+ ASSERT (vcl_mem);
+ return;
+ }
+
+ clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
+ vcm = vcl_mem;
+
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)",
+ getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize);
}
static void
vppcom_cfg_read (char *conf_fname)
{
- vppcom_main_t *vcm = &vppcom_main;
vppcom_cfg_t *vcl_cfg = &vcm->cfg;
int fd;
unformat_input_t _input, *input = &_input;
u8 vc_cfg_input = 0;
u8 *chroot_path;
struct stat s;
- u32 uid, gid;
+ u32 uid, gid, q_len;
fd = open (conf_fname, O_RDONLY);
if (fd < 0)
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] open configuration file '%s' failed!",
- vcm->my_pid, conf_fname);
+ clib_warning ("VCL<%d>: using default configuration.",
+ getpid (), conf_fname);
goto file_done;
}
if (fstat (fd, &s) < 0)
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] failed to stat `%s'", vcm->my_pid, conf_fname);
+ clib_warning ("VCL<%d>: failed to stat `%s', "
+ "using default configuration", getpid (), conf_fname);
goto file_done;
}
if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] not a regular file `%s'", vcm->my_pid,
- conf_fname);
+ clib_warning ("VCL<%d>: not a regular file `%s', "
+ "using default configuration", getpid (), conf_fname);
goto file_done;
}
{
vec_terminate_c_string (chroot_path);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured heapsize %s, "
+ clib_warning ("VCL<%d>: configured heapsize %s, "
"actual heapsize %lld (0x%llx)",
- vcm->my_pid, chroot_path, vcl_cfg->heapsize,
+ getpid (), chroot_path, vcl_cfg->heapsize,
vcl_cfg->heapsize);
vec_free (chroot_path);
}
else if (unformat (line_input, "api-prefix %s", &chroot_path))
{
vec_terminate_c_string (chroot_path);
+ if (vcl_cfg->vpp_api_filename)
+ vec_free (vcl_cfg->vpp_api_filename);
+ vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
+ chroot_path, 0);
vl_set_memory_root_path ((char *) chroot_path);
+
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured api-prefix %s",
- vcm->my_pid, chroot_path);
+ clib_warning ("VCL<%d>: configured api-prefix (%s) and "
+ "api filename (%s)", getpid (), chroot_path,
+ vcl_cfg->vpp_api_filename);
chroot_path = 0; /* Don't vec_free() it! */
}
+ else if (unformat (line_input, "vpp-api-q-length %d", &q_len))
+ {
+ if (q_len < vcl_cfg->vpp_api_q_length)
+ {
+ clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length "
+ "(%u) is too small! Using default: %u ",
+ getpid (), q_len, vcl_cfg->vpp_api_q_length);
+ }
+ else
+ {
+ vcl_cfg->vpp_api_q_length = q_len;
+
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: configured vpp-api-q-length %u",
+ getpid (), vcl_cfg->vpp_api_q_length);
+ }
+ }
else if (unformat (line_input, "uid %d", &uid))
{
vl_set_memory_uid (uid);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured uid %d", vcm->my_pid, uid);
+ clib_warning ("VCL<%d>: configured uid %d", getpid (), uid);
}
else if (unformat (line_input, "gid %d", &gid))
{
vl_set_memory_gid (gid);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured gid %d", vcm->my_pid, gid);
+ clib_warning ("VCL<%d>: configured gid %d", getpid (), gid);
}
else if (unformat (line_input, "segment-baseva 0x%lx",
&vcl_cfg->segment_baseva))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured segment_baseva 0x%lx",
- vcm->my_pid, vcl_cfg->segment_baseva);
+ clib_warning ("VCL<%d>: configured segment_baseva 0x%lx",
+ getpid (), vcl_cfg->segment_baseva);
}
else if (unformat (line_input, "segment-size 0x%lx",
&vcl_cfg->segment_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured segment_size 0x%lx (%ld)",
- vcm->my_pid, vcl_cfg->segment_size,
+ clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)",
+ getpid (), vcl_cfg->segment_size,
vcl_cfg->segment_size);
}
else if (unformat (line_input, "segment-size %ld",
&vcl_cfg->segment_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured segment_size %ld (0x%lx)",
- vcm->my_pid, vcl_cfg->segment_size,
+ clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)",
+ getpid (), vcl_cfg->segment_size,
vcl_cfg->segment_size);
}
else if (unformat (line_input, "add-segment-size 0x%lx",
{
if (VPPCOM_DEBUG > 0)
clib_warning
- ("[%d] configured add_segment_size 0x%lx (%ld)",
- vcm->my_pid, vcl_cfg->add_segment_size,
+ ("VCL<%d>: configured add_segment_size 0x%lx (%ld)",
+ getpid (), vcl_cfg->add_segment_size,
vcl_cfg->add_segment_size);
}
else if (unformat (line_input, "add-segment-size %ld",
{
if (VPPCOM_DEBUG > 0)
clib_warning
- ("[%d] configured add_segment_size %ld (0x%lx)",
- vcm->my_pid, vcl_cfg->add_segment_size,
+ ("VCL<%d>: configured add_segment_size %ld (0x%lx)",
+ getpid (), vcl_cfg->add_segment_size,
vcl_cfg->add_segment_size);
}
else if (unformat (line_input, "preallocated-fifo-pairs %d",
&vcl_cfg->preallocated_fifo_pairs))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured preallocated_fifo_pairs "
- "%d (0x%x)", vcm->my_pid,
+ clib_warning ("VCL<%d>: configured preallocated_fifo_pairs "
+ "%d (0x%x)", getpid (),
vcl_cfg->preallocated_fifo_pairs,
vcl_cfg->preallocated_fifo_pairs);
}
&vcl_cfg->rx_fifo_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured rx_fifo_size 0x%lx (%ld)",
- vcm->my_pid, vcl_cfg->rx_fifo_size,
+ clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)",
+ getpid (), vcl_cfg->rx_fifo_size,
vcl_cfg->rx_fifo_size);
}
else if (unformat (line_input, "rx-fifo-size %ld",
&vcl_cfg->rx_fifo_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured rx_fifo_size %ld (0x%lx)",
- vcm->my_pid, vcl_cfg->rx_fifo_size,
+ clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)",
+ getpid (), vcl_cfg->rx_fifo_size,
vcl_cfg->rx_fifo_size);
}
else if (unformat (line_input, "tx-fifo-size 0x%lx",
&vcl_cfg->tx_fifo_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured tx_fifo_size 0x%lx (%ld)",
- vcm->my_pid, vcl_cfg->tx_fifo_size,
+ clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)",
+ getpid (), vcl_cfg->tx_fifo_size,
vcl_cfg->tx_fifo_size);
}
else if (unformat (line_input, "tx-fifo-size %ld",
&vcl_cfg->tx_fifo_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured tx_fifo_size %ld (0x%lx)",
- vcm->my_pid, vcl_cfg->tx_fifo_size,
+ clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)",
+ getpid (), vcl_cfg->tx_fifo_size,
vcl_cfg->tx_fifo_size);
}
else if (unformat (line_input, "event-queue-size 0x%lx",
&vcl_cfg->event_queue_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured event_queue_size 0x%lx (%ld)",
- vcm->my_pid, vcl_cfg->event_queue_size,
+ clib_warning ("VCL<%d>: configured event_queue_size "
+ "0x%lx (%ld)",
+ getpid (), vcl_cfg->event_queue_size,
vcl_cfg->event_queue_size);
}
else if (unformat (line_input, "event-queue-size %ld",
&vcl_cfg->event_queue_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured event_queue_size %ld (0x%lx)",
- vcm->my_pid, vcl_cfg->event_queue_size,
+ clib_warning ("VCL<%d>: configured event_queue_size "
+ "%ld (0x%lx)",
+ getpid (), vcl_cfg->event_queue_size,
vcl_cfg->event_queue_size);
}
else if (unformat (line_input, "listen-queue-size 0x%lx",
&vcl_cfg->listen_queue_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured listen_queue_size 0x%lx (%ld)",
- vcm->my_pid, vcl_cfg->listen_queue_size,
+ clib_warning ("VCL<%d>: configured listen_queue_size "
+ "0x%lx (%ld)",
+ getpid (), vcl_cfg->listen_queue_size,
vcl_cfg->listen_queue_size);
}
else if (unformat (line_input, "listen-queue-size %ld",
&vcl_cfg->listen_queue_size))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured listen_queue_size %ld (0x%lx)",
- vcm->my_pid, vcl_cfg->listen_queue_size,
+ clib_warning ("VCL<%d>: configured listen_queue_size "
+ "%ld (0x%lx)",
+ getpid (), vcl_cfg->listen_queue_size,
vcl_cfg->listen_queue_size);
}
else if (unformat (line_input, "app-timeout %f",
&vcl_cfg->app_timeout))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured app_timeout %f",
- vcm->my_pid, vcl_cfg->app_timeout);
+ clib_warning ("VCL<%d>: configured app_timeout %f",
+ getpid (), vcl_cfg->app_timeout);
}
else if (unformat (line_input, "session-timeout %f",
&vcl_cfg->session_timeout))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured session_timeout %f",
- vcm->my_pid, vcl_cfg->session_timeout);
+ clib_warning ("VCL<%d>: configured session_timeout %f",
+ getpid (), vcl_cfg->session_timeout);
}
else if (unformat (line_input, "accept-timeout %f",
&vcl_cfg->accept_timeout))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured accept_timeout %f",
- vcm->my_pid, vcl_cfg->accept_timeout);
+ clib_warning ("VCL<%d>: configured accept_timeout %f",
+ getpid (), vcl_cfg->accept_timeout);
}
- else if (unformat (line_input, "session-scope-local"))
+ else if (unformat (line_input, "app-proxy-transport-tcp"))
{
- vcl_cfg->session_scope_local = 1;
+ vcl_cfg->app_proxy_transport_tcp = 1;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured session_scope_local (%d)",
- vcm->my_pid, vcl_cfg->session_scope_local);
+ clib_warning ("VCL<%d>: configured "
+ "app_proxy_transport_tcp (%d)",
+ getpid (), vcl_cfg->app_proxy_transport_tcp);
}
- else if (unformat (line_input, "session-scope-global"))
+ else if (unformat (line_input, "app-proxy-transport-udp"))
{
- vcl_cfg->session_scope_global = 1;
+ vcl_cfg->app_proxy_transport_udp = 1;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured session_scope_global (%d)",
- vcm->my_pid, vcl_cfg->session_scope_global);
+ clib_warning ("VCL<%d>: configured "
+ "app_proxy_transport_udp (%d)",
+ getpid (), vcl_cfg->app_proxy_transport_udp);
}
- else if (unformat (line_input, "namespace-secret 0x%lx",
- &vcl_cfg->namespace_secret))
+ else if (unformat (line_input, "app-scope-local"))
{
+ vcl_cfg->app_scope_local = 1;
if (VPPCOM_DEBUG > 0)
- clib_warning
- ("[%d] configured namespace_secret 0x%lx (%lu)",
- vcm->my_pid, vcl_cfg->namespace_secret,
- vcl_cfg->namespace_secret);
+ clib_warning ("VCL<%d>: configured app_scope_local (%d)",
+ getpid (), vcl_cfg->app_scope_local);
+ }
+ else if (unformat (line_input, "app-scope-global"))
+ {
+ vcl_cfg->app_scope_global = 1;
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: configured app_scope_global (%d)",
+ getpid (), vcl_cfg->app_scope_global);
}
else if (unformat (line_input, "namespace-secret %lu",
&vcl_cfg->namespace_secret))
{
if (VPPCOM_DEBUG > 0)
clib_warning
- ("[%d] configured namespace_secret %lu (0x%lx)",
- vcm->my_pid, vcl_cfg->namespace_secret,
+ ("VCL<%d>: configured namespace_secret %lu (0x%lx)",
+ getpid (), vcl_cfg->namespace_secret,
vcl_cfg->namespace_secret);
}
else if (unformat (line_input, "namespace-id %v",
{
_vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured namespace_id is too long,"
- " truncated to %d characters!", vcm->my_pid,
- max_nsid_vec_len);
+ clib_warning ("VCL<%d>: configured namespace_id is "
+ "too long, truncated to %d characters!",
+ getpid (), max_nsid_vec_len);
}
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured namespace_id %v",
- vcm->my_pid, vcl_cfg->namespace_id);
+ clib_warning ("VCL<%d>: configured namespace_id %v",
+ getpid (), vcl_cfg->namespace_id);
}
else if (unformat (line_input, "}"))
{
vc_cfg_input = 0;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] completed parsing vppcom config!",
- vcm->my_pid);
+ clib_warning ("VCL<%d>: completed parsing vppcom config!",
+ getpid ());
goto input_done;
}
else
{
if (line_input->buffer[line_input->index] != '#')
{
- clib_warning ("[%d] Unknown vppcom config option: '%s'",
- vcm->my_pid, (char *)
+ clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'",
+ getpid (), (char *)
&line_input->buffer[line_input->index]);
}
}
int
vppcom_app_create (char *app_name)
{
- vppcom_main_t *vcm = &vppcom_main;
vppcom_cfg_t *vcl_cfg = &vcm->cfg;
u8 *heap;
mheap_t *h;
char *env_var_str;
vcm->init = 1;
- vcm->my_pid = getpid ();
- clib_fifo_validate (vcm->client_session_index_fifo,
- vcm->cfg.listen_queue_size);
vppcom_cfg_init (vcl_cfg);
+ env_var_str = getenv (VPPCOM_ENV_DEBUG);
+ if (env_var_str)
+ {
+ u32 tmp;
+ if (sscanf (env_var_str, "%u", &tmp) != 1)
+ clib_warning ("VCL<%d>: WARNING: Invalid debug level specified "
+ "in the environment variable " VPPCOM_ENV_DEBUG
+ " (%s)!\n", getpid (), env_var_str);
+ else
+ {
+ vcm->debug = tmp;
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: configured VCL debug level (%u) from "
+ VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
+ }
+ }
conf_fname = getenv (VPPCOM_ENV_CONF);
if (!conf_fname)
+ conf_fname = VPPCOM_CONF_DEFAULT;
+ vppcom_cfg_heapsize (conf_fname);
+ vcl_cfg = &vcm->cfg;
+ clib_spinlock_init (&vcm->session_fifo_lockp);
+ clib_fifo_validate (vcm->client_session_index_fifo,
+ vcm->cfg.listen_queue_size);
+ vppcom_cfg_read (conf_fname);
+
+
+ env_var_str = getenv (VPPCOM_ENV_API_PREFIX);
+ if (env_var_str)
{
- conf_fname = VPPCOM_CONF_DEFAULT;
+ if (vcl_cfg->vpp_api_filename)
+ vec_free (vcl_cfg->vpp_api_filename);
+ vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c",
+ env_var_str, 0);
+ vl_set_memory_root_path ((char *) env_var_str);
+
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] getenv '%s' failed!", vcm->my_pid,
- VPPCOM_ENV_CONF);
+ clib_warning ("VCL<%d>: configured api prefix (%s) and "
+ "filename (%s) from " VPPCOM_ENV_API_PREFIX "!",
+ getpid (), env_var_str, vcl_cfg->vpp_api_filename);
}
- vppcom_cfg_heapsize (conf_fname);
- vppcom_cfg_read (conf_fname);
env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
if (env_var_str)
{
clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured namespace_id (%v) from "
- VPPCOM_ENV_APP_NAMESPACE_ID "!", vcm->my_pid,
- vcm->cfg.namespace_id);
+ clib_warning ("VCL<%d>: configured namespace_id (%v) from "
+ VPPCOM_ENV_APP_NAMESPACE_ID
+ "!", getpid (), vcm->cfg.namespace_id);
}
env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
if (env_var_str)
{
u64 tmp;
if (sscanf (env_var_str, "%lu", &tmp) != 1)
- clib_warning ("[%d] Invalid namespace secret specified in "
- "the environment variable "
+ clib_warning ("VCL<%d>: WARNING: Invalid namespace secret "
+ "specified in the environment variable "
VPPCOM_ENV_APP_NAMESPACE_SECRET
- " (%s)!\n", vcm->my_pid, env_var_str);
+ " (%s)!\n", getpid (), env_var_str);
else
{
vcm->cfg.namespace_secret = tmp;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured namespace secret (%lu) from "
- VPPCOM_ENV_APP_NAMESPACE_ID "!", vcm->my_pid,
- vcm->cfg.namespace_secret);
+ clib_warning ("VCL<%d>: configured namespace secret "
+ "(%lu) from "
+ VPPCOM_ENV_APP_NAMESPACE_SECRET
+ "!", getpid (), vcm->cfg.namespace_secret);
}
}
- if (getenv (VPPCOM_ENV_SESSION_SCOPE_LOCAL))
+ if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
+ {
+ vcm->cfg.app_proxy_transport_tcp = 1;
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
+ "(%u) from "
+ VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
+ "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
+ }
+ if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
+ {
+ vcm->cfg.app_proxy_transport_udp = 1;
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
+ "(%u) from "
+ VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
+ "!", getpid (), vcm->cfg.app_proxy_transport_udp);
+ }
+ if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
{
- vcm->cfg.session_scope_local = 1;
+ vcm->cfg.app_scope_local = 1;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured session_scope_local (%u) from "
- VPPCOM_ENV_SESSION_SCOPE_LOCAL "!", vcm->my_pid,
- vcm->cfg.session_scope_local);
+ clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
+ VPPCOM_ENV_APP_SCOPE_LOCAL
+ "!", getpid (), vcm->cfg.app_scope_local);
}
- if (getenv (VPPCOM_ENV_SESSION_SCOPE_GLOBAL))
+ if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
{
- vcm->cfg.session_scope_global = 1;
+ vcm->cfg.app_scope_global = 1;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured session_scope_global (%u) from "
- VPPCOM_ENV_SESSION_SCOPE_GLOBAL "!", vcm->my_pid,
- vcm->cfg.session_scope_global);
+ clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
+ VPPCOM_ENV_APP_SCOPE_GLOBAL
+ "!", getpid (), vcm->cfg.app_scope_global);
}
- vcm->bind_session_index = ~0;
vcm->main_cpu = os_get_thread_index ();
heap = clib_mem_get_per_cpu_heap ();
h = mheap_header (heap);
clib_time_init (&vcm->clib_time);
vppcom_init_error_string_table ();
- svm_fifo_segment_init (vcl_cfg->segment_baseva,
- 20 /* timeout in secs */ );
+ svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
+ 20 /* timeout in secs */ );
clib_spinlock_init (&vcm->sessions_lockp);
- vppcom_api_hookup ();
}
if (vcm->my_client_index == ~0)
{
+
+ /* API hookup and connect to VPP */
+ vppcom_api_hookup ();
vcm->app_state = STATE_APP_START;
rv = vppcom_connect_to_vpp (app_name);
if (rv)
{
- clib_warning ("[%d] couldn't connect to VPP.", vcm->my_pid);
+ clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
+ getpid ());
return rv;
}
+ /* State event handling thread */
+
+ rv = vce_start_event_thread (&(vcm->event_thread), 20);
+
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sending session enable", vcm->my_pid);
+ clib_warning ("VCL<%d>: sending session enable", getpid ());
rv = vppcom_app_session_enable ();
if (rv)
{
- clib_warning ("[%d] vppcom_app_session_enable() failed!",
- vcm->my_pid);
+ clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
+ "failed!", getpid ());
return rv;
}
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sending app attach", vcm->my_pid);
+ clib_warning ("VCL<%d>: sending app attach", getpid ());
rv = vppcom_app_attach ();
if (rv)
{
- clib_warning ("[%d] vppcom_app_attach() failed!", vcm->my_pid);
+ clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
+ getpid ());
return rv;
}
- }
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] app_name '%s', my_client_index %d (0x%x)",
- vcm->my_pid, app_name, vcm->my_client_index,
- vcm->my_client_index);
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
+ getpid (), app_name, vcm->my_client_index,
+ vcm->my_client_index);
+ }
return VPPCOM_OK;
}
void
vppcom_app_destroy (void)
{
- vppcom_main_t *vcm = &vppcom_main;
int rv;
+ f64 orig_app_timeout;
if (vcm->my_client_index == ~0)
return;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] detaching from VPP, my_client_index %d (0x%x)",
- vcm->my_pid, vcm->my_client_index, vcm->my_client_index);
+ clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
+ getpid (), vcm->my_client_index, vcm->my_client_index);
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "app_detach:C:%d",
+ .format_args = "i4",
+ };
+
+ struct
+ {
+ u32 data;
+ } *ed;
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
+ ed->data = vcm->my_client_index;
+ /* *INDENT-ON* */
+ }
vppcom_app_detach ();
+ orig_app_timeout = vcm->cfg.app_timeout;
+ vcm->cfg.app_timeout = 2.0;
rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
+ vcm->cfg.app_timeout = orig_app_timeout;
if (PREDICT_FALSE (rv))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] application detach timed out, rv = %s (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
+ clib_warning ("VCL<%d>: application detach timed out! "
+ "returning %d (%s)",
+ getpid (), rv, vppcom_retval_str (rv));
}
+
+ /* Finished with logging before client gets reset to ~0 */
+ if (VPPCOM_DEBUG > 0)
+ write_elog ();
+
vl_client_disconnect_from_vlib ();
vcm->my_client_index = ~0;
vcm->app_state = STATE_APP_START;
}
int
-vppcom_session_create (u32 vrf, u8 proto, u8 is_nonblocking)
+vppcom_session_create (u8 proto, u8 is_nonblocking)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session;
u32 session_index;
+ session_state_t state;
+ elog_track_t session_elog_track;
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK ();
pool_get (vcm->sessions, session);
memset (session, 0, sizeof (*session));
session_index = session - vcm->sessions;
- session->vrf = vrf;
session->proto = proto;
session->state = STATE_START;
- session->is_nonblocking = is_nonblocking ? 1 : 0;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ state = session->state;
+ session->vpp_handle = ~0;
+
+ if (is_nonblocking)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ session->elog_track.name =
+ (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
+ session_index, 0);
+ elog_track_register (&vcm->elog_main, &session->elog_track);
+ session_elog_track = session->elog_track;
+ }
+
+ VCL_SESSION_UNLOCK ();
+
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "session_create:proto:%d state:%d is_nonblocking:%d",
+ .format_args = "i4i4i4",
+ };
+
+ struct
+ {
+ u32 data[3];
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
+ ed->data[0] = proto;
+ ed->data[1] = state;
+ ed->data[2] = is_nonblocking;
+ /* *INDENT-ON* */
+ }
return (int) session_index;
}
int
vppcom_session_close (uint32_t session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
int rv;
+ u8 is_vep;
+ u8 is_vep_session;
+ u32 next_sid;
+ u32 vep_idx;
+ u64 vpp_handle;
+ uword *p;
+ session_state_t state;
+ elog_track_t session_elog_track;
+
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ is_vep = session->is_vep;
+ is_vep_session = session->is_vep_session;
+ next_sid = session->vep.next_sid;
+ vep_idx = session->vep.vep_idx;
+ state = session->state;
+ vpp_handle = session->vpp_handle;
+ VCL_SESSION_UNLOCK ();
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
+ /*
+ * Why two if(VPPCOM_DEBUG) checks?
+ *
+ * Eventually all clib_warnings need their own way of being
+ * logged and signalled (like severity) where event logging
+ * is a separate debugging tool. It will make the separation
+ * easier. ... parting is such sweet sorrow ...
+ */
+ if (VPPCOM_DEBUG > 0)
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto done;
+ session_elog_track = session->elog_track;
}
- clib_spinlock_unlock (&vcm->sessions_lockp);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
-
- if (session->is_vep)
{
- u32 next_sid;
- for (next_sid = session->vep.next_sid; next_sid != ~0;
- next_sid = session->vep.next_sid)
- {
+ if (is_vep)
+ clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
+ "closing epoll session...",
+ getpid (), session_index, session_index);
+ else
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
+ "closing session...",
+ getpid (), vpp_handle, session_index);
+ }
+
+ if (is_vep)
+ {
+ while (next_sid != ~0)
+ {
rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
- if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] EPOLL_CTL_DEL vep_idx %u, sid %u failed, "
- "rv = %s (%d)", session_index, next_sid,
- vcm->my_pid, session_index,
- vppcom_retval_str (rv), rv);
+ if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
+ getpid (), vpp_handle, next_sid, vep_idx,
+ rv, vppcom_retval_str (rv));
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning
- ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto done;
- }
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ next_sid = session->vep.next_sid;
+ VCL_SESSION_UNLOCK ();
}
}
else
{
- if (session->is_vep_session)
+ if (is_vep_session)
{
- u32 vep_idx = session->vep.vep_idx;
rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] EPOLL_CTL_DEL vep_idx %u, sid %u failed, "
- "rv = %s (%d)", vep_idx, session_index,
- vcm->my_pid, session_index,
- vppcom_retval_str (rv), rv);
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
+ getpid (), vpp_handle, session_index,
+ vep_idx, rv, vppcom_retval_str (rv));
+ }
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
+ if (state & STATE_LISTEN)
+ {
+ rv = vppcom_session_unbind (session_index);
+ if (PREDICT_FALSE (rv < 0))
{
if (VPPCOM_DEBUG > 0)
- clib_warning
- ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto done;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "listener unbind failed! rv %d (%s)",
+ getpid (), vpp_handle, session_index,
+ rv, vppcom_retval_str (rv));
}
- clib_spinlock_unlock (&vcm->sessions_lockp);
}
- if (session->is_cut_thru && session->is_server &&
- (session->state == STATE_ACCEPT))
- {
- rv = vppcom_session_unbind_cut_thru (session);
- if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] unbind cut-thru (session %d) failed, "
- "rv = %s (%d)",
- vcm->my_pid, session_index,
- vppcom_retval_str (rv), rv);
- }
- else if (session->is_server && session->is_listen)
- {
- rv = vppcom_session_unbind (session_index);
- if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] unbind (session %d) failed, rv = %s (%d)",
- vcm->my_pid, session_index,
- vppcom_retval_str (rv), rv);
- }
- else if (session->state == STATE_CONNECT)
+ else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
{
rv = vppcom_session_disconnect (session_index);
- if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] disconnect (session %d) failed, rv = %s (%d)",
- vcm->my_pid, session_index,
- vppcom_retval_str (rv), rv);
+ if (PREDICT_FALSE (rv < 0))
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "session disconnect failed! rv %d (%s)",
+ getpid (), vpp_handle, session_index,
+ rv, vppcom_retval_str (rv));
}
}
+
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ vpp_handle = session->vpp_handle;
+ if (vpp_handle != ~0)
+ {
+ p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
+ if (p)
+ hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
+ }
pool_put_index (vcm->sessions, session_index);
+
+ VCL_SESSION_UNLOCK ();
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ if (is_vep)
+ clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
+ getpid (), session_index, session_index);
+ else
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
+ getpid (), vpp_handle, session_index);
+ }
done:
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "session_close:rv:%d",
+ .format_args = "i4",
+ };
+
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
+ ed->data = rv;
+ /* *INDENT-ON* */
+ }
+
return rv;
}
int
vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
int rv;
if (!ep || !ep->ip)
return VPPCOM_EINVAL;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return rv;
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
if (session->is_vep)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
+ VCL_SESSION_UNLOCK ();
+ clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
+ "bind to an epoll session!", getpid (), session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- session->vrf = ep->vrf;
session->lcl_addr.is_ip4 = ep->is_ip4;
session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
session->lcl_port = ep->port;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d, bound to lcl address %U lcl port %u",
- vcm->my_pid, session_index, format_ip46_address,
- &session->lcl_addr.ip46, session->lcl_addr.is_ip4,
- clib_net_to_host_u16 (session->lcl_port));
+ clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
+ "port %u, proto %s", getpid (), session_index,
+ session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address, &session->lcl_addr.ip46,
+ session->lcl_addr.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (session->lcl_port),
+ session->proto ? "UDP" : "TCP");
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return VPPCOM_OK;
+ if (VPPCOM_DEBUG > 0)
+ {
+ if (session->lcl_addr.is_ip4)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "bind local:%s:%d.%d.%d.%d:%d ",
+ .format_args = "t1i1i1i1i1i2",
+ .n_enum_strings = 2,
+ .enum_strings = {"TCP", "UDP",},
+ };
+
+ CLIB_PACKED (struct {
+ u8 proto;
+ u8 addr[4];
+ u16 port;
+ }) *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->proto = session->proto;
+ ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
+ ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
+ ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
+ ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
+ ed->port = clib_net_to_host_u16 (session->lcl_port);
+ /* *INDENT-ON* */
+ }
+ }
+
+ VCL_SESSION_UNLOCK ();
+done:
+ return rv;
}
int
vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *listen_session = 0;
- int rv;
+ u64 listen_vpp_handle;
+ int rv, retval;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (listen_session_index, &listen_session);
- if (PREDICT_FALSE (rv))
+ if (q_len == 0 || q_len == ~0)
+ q_len = vcm->cfg.listen_queue_size;
+
+ VCL_SESSION_LOCK_AND_GET (listen_session_index, &listen_session);
+
+ if (listen_session->is_vep)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, listen_session_index);
- return rv;
+ VCL_SESSION_UNLOCK ();
+ clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
+ "epoll session!", getpid (), listen_session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- if (listen_session->is_vep)
+ listen_vpp_handle = listen_session->vpp_handle;
+ if (listen_session->state & STATE_LISTEN)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, listen_session_index);
- return VPPCOM_EBADFD;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "already in listen state!",
+ getpid (), listen_vpp_handle, listen_session_index);
+ rv = VPPCOM_OK;
+ goto done;
}
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d", vcm->my_pid, listen_session_index);
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, "
+ "sid %u: sending VPP bind+listen request...",
+ getpid (), listen_vpp_handle, listen_session_index);
- ASSERT (vcm->bind_session_index == ~0);
- vcm->bind_session_index = listen_session_index;
- vppcom_send_bind_sock (listen_session);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- rv =
+ vppcom_send_bind_sock (listen_session, listen_session_index);
+ VCL_SESSION_UNLOCK ();
+ retval =
vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
vcm->cfg.session_timeout);
- if (PREDICT_FALSE (rv))
+
+ VCL_SESSION_LOCK_AND_GET (listen_session_index, &listen_session);
+ if (PREDICT_FALSE (retval))
{
- vcm->bind_session_index = ~0;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] server listen timed out, rv = %d (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
- return rv;
+ clib_warning
+ ("VCL<%d>: vpp handle 0x%llx, sid %u: bind+listen failed! "
+ "returning %d (%s)", getpid (), listen_session->vpp_handle,
+ listen_session_index, retval, vppcom_retval_str (retval));
+ VCL_SESSION_UNLOCK ();
+ rv = retval;
+ goto done;
}
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (listen_session_index, &listen_session);
- if (PREDICT_FALSE (rv))
+ VCL_ACCEPT_FIFO_LOCK ();
+ clib_fifo_validate (vcm->client_session_index_fifo, q_len);
+ VCL_ACCEPT_FIFO_UNLOCK ();
+
+ VCL_SESSION_UNLOCK ();
+
+done:
+ return rv;
+}
+
+int
+validate_args_session_accept_ (session_t * listen_session)
+{
+ u32 listen_session_index = listen_session - vcm->sessions;
+
+ /* Input validation - expects spinlock on sessions_lockp */
+ if (listen_session->is_vep)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, listen_session_index);
- return rv;
+ clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
+ "epoll session!", getpid (), listen_session_index);
+ return VPPCOM_EBADFD;
}
- listen_session->is_listen = 1;
- clib_fifo_validate (vcm->client_session_index_fifo, q_len);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ if (listen_session->state != STATE_LISTEN)
+ {
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "not in listen state! state 0x%x (%s)", getpid (),
+ listen_session->vpp_handle, listen_session_index,
+ listen_session->state,
+ vppcom_session_state_str (listen_session->state));
+ return VPPCOM_EBADFD;
+ }
return VPPCOM_OK;
}
int
vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
- double wait_for_time)
+ uint32_t flags)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *listen_session = 0;
session_t *client_session = 0;
- u32 client_session_index;
+ u32 client_session_index = ~0;
int rv;
- f64 wait_for;
+ u64 listen_vpp_handle;
+ vce_event_handler_reg_t *reg;
+ vce_event_t *ev;
+ vce_event_connect_request_t *result;
+ struct timespec ts;
+ struct timeval tv;
+ int millisecond_timeout = 1;
+ int hours_timeout = 20 * 60 * 60;
+
+ VCL_SESSION_LOCK_AND_GET (listen_session_index, &listen_session);
+ listen_vpp_handle = listen_session->vpp_handle; // For debugging
+
+ rv = validate_args_session_accept_ (listen_session);
+ if (rv)
+ {
+ VCL_SESSION_UNLOCK ();
+ goto done;
+ }
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (listen_session_index, &listen_session);
- if (PREDICT_FALSE (rv))
+ /* Using an aggressive timer of 1ms and a generous timer of
+ * 20 hours, we can implement a blocking and non-blocking listener
+ * as both event and time driven */
+ gettimeofday (&tv, NULL);
+ ts.tv_nsec = (tv.tv_usec * 1000) + (1000 * millisecond_timeout);
+ ts.tv_sec = tv.tv_sec;
+
+ /* Predict that the Listener is blocking more often than not */
+ if (PREDICT_TRUE (!VCL_SESS_ATTR_TEST (listen_session->attr,
+ VCL_SESS_ATTR_NONBLOCK)))
+ ts.tv_sec += hours_timeout;
+
+ VCL_SESSION_UNLOCK ();
+
+ /* Register handler for connect_request event on listen_session_index */
+ vce_event_key_t evk;
+ evk.session_index = listen_session_index;
+ evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
+ reg = vce_register_handler (&vcm->event_thread, &evk,
+ vce_connect_request_handler_fn, 0);
+ VCL_EVENTS_LOCK ();
+ ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
+ pthread_mutex_lock (®->handler_lock);
+ while (!ev)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, listen_session_index);
- return rv;
+ VCL_EVENTS_UNLOCK ();
+ rv = pthread_cond_timedwait (®->handler_cond,
+ ®->handler_lock, &ts);
+ if (rv == ETIMEDOUT)
+ {
+ rv = VPPCOM_EAGAIN;
+ goto cleanup;
+ }
+ VCL_EVENTS_LOCK ();
+ ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
}
+ result = vce_get_event_data (ev, sizeof (*result));
+ client_session_index = result->accepted_session_index;
+ VCL_EVENTS_UNLOCK ();
- if (listen_session->is_vep)
+ /* Remove from the FIFO used to service epoll */
+ VCL_ACCEPT_FIFO_LOCK ();
+ if (clib_fifo_elts (vcm->client_session_index_fifo))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, listen_session_index);
- return VPPCOM_EBADFD;
+ u32 tmp_client_session_index;
+ clib_fifo_sub1 (vcm->client_session_index_fifo,
+ tmp_client_session_index);
+ /* It wasn't ours... put it back ... */
+ if (tmp_client_session_index != client_session_index)
+ clib_fifo_add1 (vcm->client_session_index_fifo,
+ tmp_client_session_index);
}
+ VCL_ACCEPT_FIFO_UNLOCK ();
- if (listen_session->state != STATE_LISTEN)
+ VCL_SESSION_LOCK ();
+
+ rv = vppcom_session_at_index (client_session_index, &client_session);
+ if (PREDICT_FALSE (rv))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] session not in listen state, state = %s",
- vcm->my_pid,
- vppcom_session_state_str (listen_session->state));
- return VPPCOM_EBADFD;
+ rv = VPPCOM_ECONNABORTED;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
+ "lookup failed! returning %d (%s)", getpid (),
+ listen_vpp_handle, listen_session_index,
+ client_session_index, rv, vppcom_retval_str (rv));
+ goto cleanup;
}
- wait_for = listen_session->is_nonblocking ? 0 :
- (wait_for_time < 0) ? vcm->cfg.accept_timeout : wait_for_time;
+
+ if (flags & O_NONBLOCK)
+ VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
+ else
+ VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d: %s (%d)", vcm->my_pid,
- listen_session_index,
- vppcom_session_state_str (listen_session->state),
- listen_session->state);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
+ "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
+ getpid (), listen_vpp_handle, listen_session_index,
+ client_session->vpp_handle, client_session_index,
+ flags, VCL_SESS_ATTR_TEST (client_session->attr,
+ VCL_SESS_ATTR_NONBLOCK));
- while (1)
+ if (ep)
{
- rv = vppcom_wait_for_client_session_index (wait_for);
- if (rv)
- {
- if ((VPPCOM_DEBUG > 0))
- clib_warning ("[%d] sid %d, accept timed out, rv = %s (%d)",
- vcm->my_pid, listen_session_index,
- vppcom_retval_str (rv), rv);
- if ((wait_for == 0) || (wait_for_time > 0))
- return rv;
- }
+ ep->is_ip4 = client_session->peer_addr.is_ip4;
+ ep->port = client_session->peer_port;
+ if (client_session->peer_addr.is_ip4)
+ clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
+ sizeof (ip4_address_t));
else
- break;
+ clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
+ sizeof (ip6_address_t));
}
- clib_spinlock_lock (&vcm->sessions_lockp);
- clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
- rv = vppcom_session_at_index (client_session_index, &client_session);
- ASSERT (rv == VPPCOM_OK);
- ASSERT (client_session->peer_addr.is_ip4 ==
- listen_session->lcl_addr.is_ip4);
+ vppcom_send_accept_session_reply (client_session->vpp_handle,
+ client_session->client_context,
+ 0 /* retval OK */ );
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] Got a request: client sid %d", vcm->my_pid,
- client_session_index);
-
- // Copy the lcl information from the listening session to the client session
- // client_session->lcl_port = listen_session->lcl_port;
- // client_session->lcl_addr = listen_session->lcl_addr;
-
- ep->vrf = client_session->vrf;
- ep->is_cut_thru = client_session->is_cut_thru;
- ep->is_ip4 = client_session->peer_addr.is_ip4;
- ep->port = client_session->peer_port;
- if (client_session->peer_addr.is_ip4)
- clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
- sizeof (ip4_address_t));
- else
- clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
- sizeof (ip6_address_t));
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
+ "0x%llx, sid %u connection to local %s address "
+ "%U port %u", getpid (), listen_vpp_handle,
+ listen_session_index, client_session->vpp_handle,
+ client_session_index,
+ client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address, &client_session->lcl_addr.ip46,
+ client_session->lcl_addr.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (client_session->lcl_port));
+
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d, accepted peer address %U peer port %u",
- vcm->my_pid, client_session_index, format_ip46_address,
- &client_session->peer_addr.ip46,
- client_session->peer_addr.is_ip4,
- clib_net_to_host_u16 (client_session->peer_port));
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return (int) client_session_index;
+ {
+ client_session->elog_track.name =
+ (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
+ client_session_index, 0);
+ elog_track_register (&vcm->elog_main, &client_session->elog_track);
+
+ // Two elog entries due to 20-byte per entry constraint.
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "accept: listen_handle:%x from_handle:%x",
+ .format_args = "i8i8",
+ };
+
+ struct
+ {
+ u64 handle[2];
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
+ ed->handle[0] = listen_vpp_handle;
+ ed->handle[1] = client_session->vpp_handle;
+ /* *INDENT-ON* */
+
+ if (client_session->lcl_addr.is_ip4)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e2) =
+ {
+ .format = "accept: S:%d %d.%d.%d.%d:%d ",
+ .format_args = "i4i1i1i1i1i2",
+ };
+
+ CLIB_PACKED (struct {
+ u32 session;
+ u8 addr[4];
+ u16 port;
+ }) *ed2;
+
+ ed2 =
+ ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
+ ed2->session = client_session_index;
+ ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
+ ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
+ ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
+ ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
+ ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
+ /* *INDENT-ON* */
+ }
+ }
+
+ VCL_SESSION_UNLOCK ();
+
+ rv = (int) client_session_index;
+ vce_clear_event (&vcm->event_thread, reg->ev_idx);
+ if (vcm->session_io_thread.io_sessions_lockp)
+ {
+ /* Throw this new accepted session index into the rx poll thread pool */
+ VCL_IO_SESSIONS_LOCK ();
+ u32 *active_session_index;
+ pool_get (vcm->session_io_thread.active_session_indexes,
+ active_session_index);
+ *active_session_index = client_session_index;
+ VCL_IO_SESSIONS_UNLOCK ();
+ }
+cleanup:
+ vce_unregister_handler (&vcm->event_thread, reg);
+ pthread_mutex_unlock (®->handler_lock);
+
+done:
+ return rv;
}
int
vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
- int rv;
+ u64 vpp_handle = 0;
+ int rv, retval = VPPCOM_OK;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return rv;
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
- if (session->is_vep)
+ if (PREDICT_FALSE (session->is_vep))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
+ VCL_SESSION_UNLOCK ();
+ clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
+ "connect on an epoll session!", getpid (), session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- if (session->state == STATE_CONNECT)
+ if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] session, sid (%u) already connected!",
- vcm->my_pid, session_index);
- return VPPCOM_OK;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
+ "connected to %s %U port %d proto %s, state 0x%x (%s)",
+ getpid (), session->vpp_handle, session_index,
+ session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address,
+ &session->peer_addr.ip46, session->peer_addr.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (session->peer_port),
+ session->proto ? "UDP" : "TCP", session->state,
+ vppcom_session_state_str (session->state));
+
+ VCL_SESSION_UNLOCK ();
+ goto done;
}
- session->vrf = server_ep->vrf;
session->peer_addr.is_ip4 = server_ep->is_ip4;
session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
session->peer_port = server_ep->port;
if (VPPCOM_DEBUG > 0)
- {
- u8 *ip_str = format (0, "%U", format_ip46_address,
- &session->peer_addr.ip46,
- session->peer_addr.is_ip4);
- clib_warning ("[%d] connect sid %d to %s server port %d proto %s",
- vcm->my_pid, session_index, ip_str,
- clib_net_to_host_u16 (session->peer_port),
- session->proto ? "UDP" : "TCP");
- vec_free (ip_str);
- }
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
+ "%s %U port %d proto %s",
+ getpid (), session->vpp_handle, session_index,
+ session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address,
+ &session->peer_addr.ip46, session->peer_addr.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (session->peer_port),
+ session->proto ? "UDP" : "TCP");
vppcom_send_connect_sock (session, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- rv = vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
- vcm->cfg.session_timeout);
- if (PREDICT_FALSE (rv))
+ VCL_SESSION_UNLOCK ();
+
+ retval =
+ vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
+ vcm->cfg.session_timeout);
+
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ vpp_handle = session->vpp_handle;
+ VCL_SESSION_UNLOCK ();
+
+done:
+ if (PREDICT_FALSE (retval))
{
+ rv = retval;
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] connect timed out, rv = %s (%d)",
- vcm->my_pid, vppcom_retval_str (rv), rv);
- return rv;
+ {
+ if (session)
+ clib_warning
+ ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
+ "returning %d (%s)", getpid (), vpp_handle,
+ session_index, rv, vppcom_retval_str (rv));
+ else
+ clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
+ "returning %d (%s)", getpid (),
+ session_index, rv, vppcom_retval_str (rv));
+ }
}
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d connected!", vcm->my_pid, session_index);
+ else if (VPPCOM_DEBUG > 0)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
+ getpid (), vpp_handle, session_index);
- return VPPCOM_OK;
+ return rv;
}
static inline int
vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
u8 peek)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
svm_fifo_t *rx_fifo;
int n_read = 0;
int rv;
- char *fifo_str;
+ int is_nonblocking;
+
+ u64 vpp_handle;
u32 poll_et;
+ session_state_t state;
ASSERT (buf);
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return rv;
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
- if (session->is_vep)
+ is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ rx_fifo = session->rx_fifo;
+ state = session->state;
+ vpp_handle = session->vpp_handle;
+
+ if (PREDICT_FALSE (session->is_vep))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
+ VCL_SESSION_UNLOCK ();
+ clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
+ "read from an epoll session!", getpid (), session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- if (session->state == STATE_DISCONNECT)
+ if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
+
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- vcm->my_pid, session_index);
- return VPPCOM_ECONNRESET;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
+ "not open! state 0x%x (%s), returning %d (%s)",
+ getpid (), vpp_handle, session_index, state,
+ vppcom_session_state_str (state),
+ rv, vppcom_retval_str (rv));
+ goto done;
}
- rx_fifo = ((!session->is_cut_thru || session->is_server) ?
- session->server_rx_fifo : session->server_tx_fifo);
- fifo_str = ((!session->is_cut_thru || session->is_server) ?
- "server_rx_fifo" : "server_tx_fifo");
- poll_et = EPOLLET & session->vep.ev.events;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
do
{
else
n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
}
- while (!session->is_nonblocking && (n_read <= 0));
+ while (!is_nonblocking && (n_read <= 0));
- if (poll_et && (n_read <= 0))
+ if (n_read <= 0)
{
- clib_spinlock_lock (&vcm->sessions_lockp);
- session->vep.et_mask |= EPOLLIN;
- clib_spinlock_unlock (&vcm->sessions_lockp);
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+
+ poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLIN));
+ if (poll_et)
+ session->vep.et_mask |= EPOLLIN;
+
+ if (state & STATE_CLOSE_ON_EMPTY)
+ {
+ rv = VPPCOM_ECONNRESET;
- if ((VPPCOM_DEBUG > 2) && (n_read > 0))
- clib_warning ("[%d] sid %d, read %d bytes from %s (%p)", vcm->my_pid,
- session_index, n_read, fifo_str, rx_fifo);
+ if (VPPCOM_DEBUG > 1)
+ {
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
+ "with session state 0x%x (%s)!"
+ " Setting state to 0x%x (%s), returning %d (%s)",
+ getpid (), session->vpp_handle, session_index,
+ state, vppcom_session_state_str (state),
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT), rv,
+ vppcom_retval_str (rv));
+ }
+
+ session->state = STATE_DISCONNECT;
+ }
+ else
+ rv = VPPCOM_EAGAIN;
+
+ VCL_SESSION_UNLOCK ();
+ }
+ else
+ rv = n_read;
- return (n_read <= 0) ? VPPCOM_EAGAIN : n_read;
+ if (VPPCOM_DEBUG > 2)
+ {
+ if (rv > 0)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
+ "from (%p)", getpid (), vpp_handle,
+ session_index, n_read, rx_fifo);
+ else
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
+ "returning %d (%s)", getpid (), vpp_handle,
+ session_index, rv, vppcom_retval_str (rv));
+ }
+done:
+ return rv;
}
int
-vppcom_session_read (uint32_t session_index, void *buf, int n)
+vppcom_session_read (uint32_t session_index, void *buf, size_t n)
{
return (vppcom_session_read_internal (session_index, buf, n, 0));
}
static inline int
vppcom_session_read_ready (session_t * session, u32 session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
- svm_fifo_t *rx_fifo;
int ready = 0;
+ u32 poll_et;
+ int rv;
+ session_state_t state = session->state;
+ u64 vpp_handle = session->vpp_handle;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- if (session->is_vep)
+ if (PREDICT_FALSE (session->is_vep))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
+ clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
+ "epoll session!", getpid (), session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- if (session->state == STATE_DISCONNECT)
+ if (session->state & STATE_LISTEN)
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- vcm->my_pid, session_index);
- return VPPCOM_ECONNRESET;
+ VCL_ACCEPT_FIFO_LOCK ();
+ ready = clib_fifo_elts (vcm->client_session_index_fifo);
+ VCL_ACCEPT_FIFO_UNLOCK ();
}
-
- if (session->is_listen)
- ready = clib_fifo_elts (vcm->client_session_index_fifo);
else
{
- rx_fifo = ((!session->is_cut_thru || session->is_server) ?
- session->server_rx_fifo : session->server_tx_fifo);
+ if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
+ {
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
+ VPPCOM_ENOTCONN);
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is "
+ "not open! state 0x%x (%s), returning %d (%s)",
+ getpid (), vpp_handle, session_index,
+ state, vppcom_session_state_str (state),
+ rv, vppcom_retval_str (rv));
+ goto done;
+ }
- ready = svm_fifo_max_dequeue (rx_fifo);
+ ready = svm_fifo_max_dequeue (session->rx_fifo);
}
- if (VPPCOM_DEBUG > 3)
- clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", vcm->my_pid,
- session_index,
- session->is_server ? "server_rx_fifo" : "server_tx_fifo",
- rx_fifo, ready);
- if ((session->vep.ev.events & EPOLLET) && (ready == 0))
- session->vep.et_mask |= EPOLLIN;
+ if (ready == 0)
+ {
+ poll_et =
+ ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
+ if (poll_et)
+ session->vep.et_mask |= EPOLLIN;
- return ready;
+ if (state & STATE_CLOSE_ON_EMPTY)
+ {
+ rv = VPPCOM_ECONNRESET;
+
+ if (VPPCOM_DEBUG > 1)
+ {
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, "
+ "sid %u: Empty fifo with"
+ " session state 0x%x (%s)! Setting state to "
+ "0x%x (%s), returning %d (%s)",
+ getpid (), session_index, vpp_handle,
+ state, vppcom_session_state_str (state),
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT), rv,
+ vppcom_retval_str (rv));
+ }
+ session->state = STATE_DISCONNECT;
+ goto done;
+ }
+ }
+ rv = ready;
+
+ if (vcm->app_event_queue->cursize &&
+ !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
+ {
+ u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
+ session_fifo_event_t e;
+
+ for (i = 0; i < n_to_dequeue; i++)
+ svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
+
+ pthread_mutex_unlock (&vcm->app_event_queue->mutex);
+ }
+done:
+ return rv;
}
int
-vppcom_session_write (uint32_t session_index, void *buf, int n)
+vppcom_session_write (uint32_t session_index, void *buf, size_t n)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
- svm_fifo_t *tx_fifo;
- unix_shared_memory_queue_t *q;
+ svm_fifo_t *tx_fifo = 0;
+ svm_queue_t *q;
session_fifo_event_t evt;
- int rv, n_write;
- char *fifo_str;
+ session_state_t state;
+ int rv, n_write, is_nonblocking;
u32 poll_et;
+ u64 vpp_handle;
ASSERT (buf);
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return rv;
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
- if (session->is_vep)
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
- }
+ tx_fifo = session->tx_fifo;
+ is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ vpp_handle = session->vpp_handle;
+ state = session->state;
- if (session->state == STATE_DISCONNECT)
+ if (PREDICT_FALSE (session->is_vep))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- vcm->my_pid, session_index);
- return VPPCOM_ECONNRESET;
+ VCL_SESSION_UNLOCK ();
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "cannot write to an epoll session!",
+ getpid (), vpp_handle, session_index);
+
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- tx_fifo = ((!session->is_cut_thru || session->is_server) ?
- session->server_tx_fifo : session->server_rx_fifo);
- fifo_str = ((!session->is_cut_thru || session->is_server) ?
- "server_tx_fifo" : "server_rx_fifo");
- q = session->vpp_event_queue;
- poll_et = EPOLLET & session->vep.ev.events;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
+ {
+ rv =
+ ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
+ VPPCOM_ENOTCONN);
+
+ VCL_SESSION_UNLOCK ();
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "session is not open! state 0x%x (%s)",
+ getpid (), vpp_handle, session_index,
+ state, vppcom_session_state_str (state));
+ goto done;
+ }
+
+ VCL_SESSION_UNLOCK ();
do
{
- n_write = svm_fifo_enqueue_nowait (tx_fifo, n, buf);
+ n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
}
- while (!session->is_nonblocking && (n_write <= 0));
+ while (!is_nonblocking && (n_write <= 0));
- /* If event wasn't set, add one */
- if (!session->is_cut_thru && (n_write > 0) && svm_fifo_set_event (tx_fifo))
- {
- int rval;
+ /* If event wasn't set, add one
+ *
+ * To reduce context switching, can check if an
+ * event is already there for this event_key, but for now
+ * this will suffice. */
+ if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
+ {
/* Fabricate TX event, send to vpp */
evt.fifo = tx_fifo;
evt.event_type = FIFO_EVENT_APP_TX;
- rval = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rval))
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- return rval;
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ q = session->vpp_event_queue;
ASSERT (q);
- unix_shared_memory_queue_add (q, (u8 *) & evt,
- 0 /* do wait for mutex */ );
+ svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
+ VCL_SESSION_UNLOCK ();
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "added FIFO_EVENT_APP_TX to "
+ "vpp_event_q %p, n_write %d", getpid (),
+ vpp_handle, session_index, q, n_write);
}
- if (poll_et && (n_write <= 0))
+ if (n_write <= 0)
{
- clib_spinlock_lock (&vcm->sessions_lockp);
- session->vep.et_mask |= EPOLLOUT;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+
+ poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLOUT));
+ if (poll_et)
+ session->vep.et_mask |= EPOLLOUT;
+
+ if (session->state & STATE_CLOSE_ON_EMPTY)
+ {
+ rv = VPPCOM_ECONNRESET;
+
+ if (VPPCOM_DEBUG > 1)
+ {
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "Empty fifo with session state 0x%x (%s)!"
+ " Setting state to 0x%x (%s), returning %d (%s)",
+ getpid (), session->vpp_handle, session_index,
+ session->state,
+ vppcom_session_state_str (session->state),
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT), rv,
+ vppcom_retval_str (rv));
+ }
+
+ session->state = STATE_DISCONNECT;
+ }
+ else
+ rv = VPPCOM_EAGAIN;
+
+ VCL_SESSION_UNLOCK ();
}
+ else
+ rv = n_write;
if (VPPCOM_DEBUG > 2)
{
- if (n_write == -2)
- clib_warning ("[%d] sid %d, FIFO-FULL %s (%p)", vcm->my_pid,
- session_index, fifo_str, tx_fifo);
+ if (n_write <= 0)
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "FIFO-FULL (%p)", getpid (), vpp_handle,
+ session_index, tx_fifo);
else
- clib_warning ("[%d] sid %d, wrote %d bytes to %s (%p)", vcm->my_pid,
- session_index, n_write, fifo_str, tx_fifo);
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "wrote %d bytes tx-fifo: (%p)", getpid (),
+ vpp_handle, session_index, n_write, tx_fifo);
}
- return (n_write < 0) ? VPPCOM_EAGAIN : n_write;
+done:
+ return rv;
}
static inline int
vppcom_session_write_ready (session_t * session, u32 session_index)
{
- vppcom_main_t *vcm = &vppcom_main;
- svm_fifo_t *tx_fifo;
- char *fifo_str;
int ready;
+ u32 poll_et;
+ int rv;
+
+ ASSERT (session);
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- if (session->is_vep)
+ if (PREDICT_FALSE (session->is_vep))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- vcm->my_pid, session_index);
- return VPPCOM_EBADFD;
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "cannot write to an epoll session!",
+ getpid (), session->vpp_handle, session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- if (session->state == STATE_DISCONNECT)
+ if (PREDICT_FALSE (session->state & STATE_LISTEN))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- vcm->my_pid, session_index);
- return VPPCOM_ECONNRESET;
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "cannot write to a listen session!",
+ getpid (), session->vpp_handle, session_index);
+ rv = VPPCOM_EBADFD;
+ goto done;
}
- tx_fifo = ((!session->is_cut_thru || session->is_server) ?
- session->server_tx_fifo : session->server_rx_fifo);
- fifo_str = ((!session->is_cut_thru || session->is_server) ?
- "server_tx_fifo" : "server_rx_fifo");
+ if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
+ {
+ session_state_t state = session->state;
+
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
+
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "session is not open! state 0x%x (%s), "
+ "returning %d (%s)", getpid (), session->vpp_handle,
+ session_index,
+ state, vppcom_session_state_str (state),
+ rv, vppcom_retval_str (rv));
+ goto done;
+ }
- ready = svm_fifo_max_enqueue (tx_fifo);
+ ready = svm_fifo_max_enqueue (session->tx_fifo);
if (VPPCOM_DEBUG > 3)
- clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", vcm->my_pid,
- session_index, fifo_str, tx_fifo, ready);
- if ((session->vep.ev.events & EPOLLET) && (ready == 0))
- session->vep.et_mask |= EPOLLOUT;
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "peek %s (%p), ready = %d", getpid (),
+ session->vpp_handle, session_index,
+ session->tx_fifo, ready);
+
+ if (ready == 0)
+ {
+ poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLOUT));
+ if (poll_et)
+ session->vep.et_mask |= EPOLLOUT;
+
+ if (session->state & STATE_CLOSE_ON_EMPTY)
+ {
+ rv = VPPCOM_ECONNRESET;
- return ready;
+ if (VPPCOM_DEBUG > 1)
+ {
+ clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
+ "Empty fifo with session "
+ "state 0x%x (%s)! Setting state to 0x%x (%s), "
+ "returning %d (%s)", getpid (),
+ session->vpp_handle, session_index,
+ session->state,
+ vppcom_session_state_str (session->state),
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT), rv,
+ vppcom_retval_str (rv));
+ }
+ session->state = STATE_DISCONNECT;
+ goto done;
+ }
+ }
+ rv = ready;
+done:
+ return rv;
}
int
unsigned long *write_map, unsigned long *except_map,
double time_to_wait)
{
- vppcom_main_t *vcm = &vppcom_main;
u32 session_index;
session_t *session = 0;
int rv, bits_set = 0;
if (n_bits && read_map)
{
clib_bitmap_validate (vcm->rd_bitmap, minbits);
- clib_memcpy (vcm->rd_bitmap, read_map, vec_len (vcm->rd_bitmap));
- memset (read_map, 0, vec_len (vcm->rd_bitmap));
+ clib_memcpy (vcm->rd_bitmap, read_map,
+ vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
+ memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
}
if (n_bits && write_map)
{
clib_bitmap_validate (vcm->wr_bitmap, minbits);
- clib_memcpy (vcm->wr_bitmap, write_map, vec_len (vcm->wr_bitmap));
- memset (write_map, 0, vec_len (vcm->wr_bitmap));
+ clib_memcpy (vcm->wr_bitmap, write_map,
+ vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
+ memset (write_map, 0,
+ vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
}
if (n_bits && except_map)
{
clib_bitmap_validate (vcm->ex_bitmap, minbits);
- clib_memcpy (vcm->ex_bitmap, except_map, vec_len (vcm->ex_bitmap));
- memset (except_map, 0, vec_len (vcm->ex_bitmap));
+ clib_memcpy (vcm->ex_bitmap, except_map,
+ vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
+ memset (except_map, 0,
+ vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
}
do
{
clib_bitmap_foreach (session_index, vcm->rd_bitmap,
({
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK();
rv = vppcom_session_at_index (session_index, &session);
if (rv < 0)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK();
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session %d specified in "
- "read_map is closed.", vcm->my_pid,
+ clib_warning ("VCL<%d>: session %d specified in "
+ "read_map is closed.", getpid (),
session_index);
bits_set = VPPCOM_EBADFD;
goto select_done;
}
-
- rv = vppcom_session_read_ready (session, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ if (session->state & STATE_LISTEN)
+ {
+ vce_event_handler_reg_t *reg = 0;
+ vce_event_key_t evk;
+
+ /* Check if handler already registered for this
+ * event.
+ * If not, register handler for connect_request event
+ * on listen_session_index
+ */
+ evk.session_index = session_index;
+ evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
+ reg = vce_get_event_handler (&vcm->event_thread, &evk);
+ if (!reg)
+ reg = vce_register_handler (&vcm->event_thread, &evk,
+ vce_poll_wait_connect_request_handler_fn,
+ 0 /* No callback args */);
+ rv = vppcom_session_read_ready (session, session_index);
+ if (rv > 0)
+ {
+ vce_unregister_handler (&vcm->event_thread, reg);
+ }
+ }
+ else
+ rv = vppcom_session_read_ready (session, session_index);
+ VCL_SESSION_UNLOCK();
if (except_map && vcm->ex_bitmap &&
clib_bitmap_get (vcm->ex_bitmap, session_index) &&
(rv < 0))
{
- // TBD: clib_warning
clib_bitmap_set_no_check (except_map, session_index, 1);
bits_set++;
}
else if (rv > 0)
{
- // TBD: clib_warning
clib_bitmap_set_no_check (read_map, session_index, 1);
bits_set++;
}
{
clib_bitmap_foreach (session_index, vcm->wr_bitmap,
({
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK();
rv = vppcom_session_at_index (session_index, &session);
if (rv < 0)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK();
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] session %d specified in "
- "write_map is closed.", vcm->my_pid,
+ clib_warning ("VCL<%d>: session %d specified in "
+ "write_map is closed.", getpid (),
session_index);
bits_set = VPPCOM_EBADFD;
goto select_done;
}
rv = vppcom_session_write_ready (session, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK();
if (write_map && (rv > 0))
{
- // TBD: clib_warning
clib_bitmap_set_no_check (write_map, session_index, 1);
bits_set++;
}
{
clib_bitmap_foreach (session_index, vcm->ex_bitmap,
({
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK();
rv = vppcom_session_at_index (session_index, &session);
if (rv < 0)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK();
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session %d specified in "
- "except_map is closed.", vcm->my_pid,
+ clib_warning ("VCL<%d>: session %d specified in "
+ "except_map is closed.", getpid (),
session_index);
bits_set = VPPCOM_EBADFD;
goto select_done;
}
rv = vppcom_session_read_ready (session, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK();
if (rv < 0)
{
- // TBD: clib_warning
clib_bitmap_set_no_check (except_map, session_index, 1);
bits_set++;
}
}
/* *INDENT-ON* */
}
- while (clib_time_now (&vcm->clib_time) < timeout);
+ while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
select_done:
return (bits_set);
session_t *session;
vppcom_epoll_t *vep;
int rv;
- u32 sid;
+ u32 sid = vep_idx;
- if (VPPCOM_DEBUG < 1)
+ if (VPPCOM_DEBUG <= 1)
return;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
rv = vppcom_session_at_index (vep_idx, &session);
if (PREDICT_FALSE (rv))
{
- clib_warning ("ERROR: Invalid vep_idx (%u)!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
+ getpid (), vep_idx);
goto done;
}
if (PREDICT_FALSE (!session->is_vep))
{
- clib_warning ("ERROR: vep_idx (%u) is not a vep!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
+ getpid (), vep_idx);
goto done;
}
- if (VPPCOM_DEBUG > 1)
- clib_warning ("vep_idx (%u): Dumping epoll chain\n"
- "{\n"
- " is_vep = %u\n"
- " is_vep_session = %u\n"
- " wait_cont_idx = 0x%x (%u)\n"
- "}\n",
- vep_idx, session->is_vep, session->is_vep_session,
- session->wait_cont_idx, session->wait_cont_idx);
- do
+ vep = &session->vep;
+ clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
+ "{\n"
+ " is_vep = %u\n"
+ " is_vep_session = %u\n"
+ " next_sid = 0x%x (%u)\n"
+ " wait_cont_idx = 0x%x (%u)\n"
+ "}\n", getpid (), vep_idx,
+ session->is_vep, session->is_vep_session,
+ vep->next_sid, vep->next_sid,
+ session->wait_cont_idx, session->wait_cont_idx);
+
+ for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
{
+ rv = vppcom_session_at_index (sid, &session);
+ if (PREDICT_FALSE (rv))
+ {
+ clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
+ goto done;
+ }
+ if (PREDICT_FALSE (session->is_vep))
+ clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
+ getpid (), vep_idx);
+ else if (PREDICT_FALSE (!session->is_vep_session))
+ {
+ clib_warning ("VCL<%d>: ERROR: session (%u) "
+ "is not a vep session!", getpid (), sid);
+ goto done;
+ }
vep = &session->vep;
- sid = vep->next_sid;
+ if (PREDICT_FALSE (vep->vep_idx != vep_idx))
+ clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
+ "vep_idx (%u)!", getpid (),
+ sid, session->vep.vep_idx, vep_idx);
if (session->is_vep_session)
{
- if (VPPCOM_DEBUG > 1)
- clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
- "{\n"
- " next_sid = 0x%x (%u)\n"
- " prev_sid = 0x%x (%u)\n"
- " vep_idx = 0x%x (%u)\n"
- " ev.events = 0x%x\n"
- " ev.data.u64 = 0x%llx\n"
- " et_mask = 0x%x\n"
- "}\n",
- vep_idx, sid, sid,
- vep->next_sid, vep->next_sid,
- vep->prev_sid, vep->prev_sid,
- vep->vep_idx, vep->vep_idx,
- vep->ev.events, vep->ev.data.u64, vep->et_mask);
- }
- if (sid != ~0)
- {
- rv = vppcom_session_at_index (sid, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_warning ("ERROR: Invalid sid (%u)!", sid);
- goto done;
- }
- if (PREDICT_FALSE (session->is_vep))
- clib_warning ("ERROR: sid (%u) is a vep!", vep_idx);
- else if (PREDICT_FALSE (!session->is_vep_session))
- {
- clib_warning ("ERROR: session (%u) is not a vep session!", sid);
- goto done;
- }
- if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
- clib_warning ("ERROR: session (%u) vep_idx (%u) != "
- "vep_idx (%u)!",
- sid, session->vep.vep_idx, vep_idx);
+ clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
+ "{\n"
+ " next_sid = 0x%x (%u)\n"
+ " prev_sid = 0x%x (%u)\n"
+ " vep_idx = 0x%x (%u)\n"
+ " ev.events = 0x%x\n"
+ " ev.data.u64 = 0x%llx\n"
+ " et_mask = 0x%x\n"
+ "}\n",
+ vep_idx, sid, sid,
+ vep->next_sid, vep->next_sid,
+ vep->prev_sid, vep->prev_sid,
+ vep->vep_idx, vep->vep_idx,
+ vep->ev.events, vep->ev.data.u64, vep->et_mask);
}
}
- while (sid != ~0);
done:
- if (VPPCOM_DEBUG > 1)
- clib_warning ("vep_idx (%u): Dump complete!", vep_idx);
+ clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
+ getpid (), vep_idx);
}
int
vppcom_epoll_create (void)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *vep_session;
u32 vep_idx;
+ elog_track_t vep_elog_track;
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK ();
pool_get (vcm->sessions, vep_session);
memset (vep_session, 0, sizeof (*vep_session));
vep_idx = vep_session - vcm->sessions;
vep_session->vep.next_sid = ~0;
vep_session->vep.prev_sid = ~0;
vep_session->wait_cont_idx = ~0;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ vep_session->vpp_handle = ~0;
+ vep_session->poll_reg = 0;
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ vep_session->elog_track.name =
+ (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
+ vep_idx, 0);
+ elog_track_register (&vcm->elog_main, &vep_session->elog_track);
+ vep_elog_track = vep_session->elog_track;
+ }
+
+ VCL_SESSION_UNLOCK ();
if (VPPCOM_DEBUG > 0)
- clib_warning ("Created vep_idx %u!", vep_idx);
+ clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
+ getpid (), vep_idx, vep_idx);
+
+ if (VPPCOM_DEBUG > 0)
+ {
+
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "created epoll session:%d",
+ .format_args = "i4",
+ };
+
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
+ ed->data = vep_idx;
+ /* *INDENT-ON* */
+ }
return (vep_idx);
}
vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
struct epoll_event *event)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *vep_session;
session_t *session;
int rv;
if (vep_idx == session_index)
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: vep_idx == session_index (%u)!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
+ getpid (), vep_idx);
return VPPCOM_EINVAL;
}
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK ();
rv = vppcom_session_at_index (vep_idx, &vep_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: Invalid vep_idx (%u)!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
goto done;
}
if (PREDICT_FALSE (!vep_session->is_vep))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: vep_idx (%u) is not a vep!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
+ getpid (), vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
if (PREDICT_FALSE (rv))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: Invalid session_index (%u)!", session_index);
+ clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
+ getpid (), session_index);
goto done;
}
if (PREDICT_FALSE (session->is_vep))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
+ clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
case EPOLL_CTL_ADD:
if (PREDICT_FALSE (!event))
{
- clib_warning ("NULL pointer to epoll_event structure!");
+ clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
+ "epoll_event structure!", getpid ());
rv = VPPCOM_EINVAL;
goto done;
}
&next_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("EPOLL_CTL_ADD: Invalid vep.next_sid (%u) on"
- " vep_idx (%u)!", vep_session->vep.next_sid,
- vep_idx);
+ clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
+ "vep.next_sid (%u) on vep_idx (%u)!",
+ getpid (), vep_session->vep.next_sid, vep_idx);
goto done;
}
ASSERT (next_session->vep.prev_sid == vep_idx);
session->vep.vep_idx = vep_idx;
session->vep.et_mask = VEP_DEFAULT_ET_MASK;
session->vep.ev = *event;
+ session->is_vep = 0;
session->is_vep_session = 1;
vep_session->vep.next_sid = session_index;
+
+ /* VCL Event Register handler */
+ if (session->state & STATE_LISTEN)
+ {
+ /* Register handler for connect_request event on listen_session_index */
+ vce_event_key_t evk;
+ evk.session_index = session_index;
+ evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
+ vep_session->poll_reg =
+ vce_register_handler (&vcm->event_thread, &evk,
+ vce_poll_wait_connect_request_handler_fn,
+ 0 /* No callback args */ );
+ }
if (VPPCOM_DEBUG > 1)
- clib_warning ("EPOLL_CTL_ADD: vep_idx %u, sid %u, events 0x%x,"
- " data 0x%llx!", vep_idx, session_index,
+ clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
+ "sid %u, events 0x%x, data 0x%llx!",
+ getpid (), vep_idx, session_index,
event->events, event->data.u64);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "epoll_ctladd: events:%x data:%x",
+ .format_args = "i4i4i8",
+ };
+ struct
+ {
+ u32 events;
+ u64 event_data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->events = event->events;
+ ed->event_data = event->data.u64;
+ /* *INDENT-ON* */
+ }
break;
case EPOLL_CTL_MOD:
if (PREDICT_FALSE (!event))
{
- clib_warning ("NULL pointer to epoll_event structure!");
+ clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
+ "epoll_event structure!", getpid ());
rv = VPPCOM_EINVAL;
goto done;
}
- if (PREDICT_FALSE (!session->is_vep_session &&
- (session->vep.vep_idx != vep_idx)))
+ else if (PREDICT_FALSE (!session->is_vep_session))
{
- if (VPPCOM_DEBUG > 0)
- {
- if (!session->is_vep_session)
- clib_warning ("EPOLL_CTL_MOD: session (%u) is not "
- "a vep session!", session_index);
- else
- clib_warning ("EPOLL_CTL_MOD: session (%u) vep_idx (%u) != "
- "vep_idx (%u)!", session_index,
- session->vep.vep_idx, vep_idx);
- }
+ clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
+ "not a vep session!", getpid (), session_index);
+ rv = VPPCOM_EINVAL;
+ goto done;
+ }
+ else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
+ {
+ clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
+ "vep_idx (%u) != vep_idx (%u)!",
+ getpid (), session_index,
+ session->vep.vep_idx, vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
session->vep.et_mask = VEP_DEFAULT_ET_MASK;
session->vep.ev = *event;
if (VPPCOM_DEBUG > 1)
- clib_warning ("EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
- " data 0x%llx!", vep_idx, session_index,
- event->events, event->data.u64);
+ clib_warning
+ ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
+ " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
+ event->data.u64);
break;
case EPOLL_CTL_DEL:
- if (PREDICT_FALSE (!session->is_vep_session &&
- (session->vep.vep_idx != vep_idx)))
+ if (PREDICT_FALSE (!session->is_vep_session))
{
- if (VPPCOM_DEBUG > 0)
- {
- if (!session->is_vep_session)
- clib_warning ("EPOLL_CTL_DEL: session (%u) is not "
- "a vep session!", session_index);
- else
- clib_warning ("EPOLL_CTL_DEL: session (%u) vep_idx (%u) != "
- "vep_idx (%u)!", session_index,
- session->vep.vep_idx, vep_idx);
- }
+ clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
+ "not a vep session!", getpid (), session_index);
+ rv = VPPCOM_EINVAL;
+ goto done;
+ }
+ else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
+ {
+ clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
+ "vep_idx (%u) != vep_idx (%u)!",
+ getpid (), session_index,
+ session->vep.vep_idx, vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
+ /* VCL Event Un-register handler */
+ if ((session->state & STATE_LISTEN) && vep_session->poll_reg)
+ {
+ (void) vce_unregister_handler (&vcm->event_thread,
+ vep_session->poll_reg);
+ }
+
vep_session->wait_cont_idx =
(vep_session->wait_cont_idx == session_index) ?
session->vep.next_sid : vep_session->wait_cont_idx;
rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("EPOLL_CTL_DEL: Invalid vep.prev_sid (%u) on"
- " sid (%u)!", session->vep.prev_sid,
- session_index);
+ clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
+ "vep.prev_sid (%u) on sid (%u)!",
+ getpid (), session->vep.prev_sid, session_index);
goto done;
}
ASSERT (prev_session->vep.next_sid == session_index);
rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("EPOLL_CTL_DEL: Invalid vep.next_sid (%u) on"
- " sid (%u)!", session->vep.next_sid,
- session_index);
+ clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
+ "vep.next_sid (%u) on sid (%u)!",
+ getpid (), session->vep.next_sid, session_index);
goto done;
}
ASSERT (next_session->vep.prev_sid == session_index);
session->vep.vep_idx = ~0;
session->is_vep_session = 0;
if (VPPCOM_DEBUG > 1)
- clib_warning ("EPOLL_CTL_DEL: vep_idx %u, sid %u!", vep_idx,
- session_index);
+ clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
+ getpid (), vep_idx, session_index);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "epoll_ctldel: vep:%d",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->data = vep_idx;
+ /* *INDENT-ON* */
+ }
break;
default:
- clib_warning ("Invalid operation (%d)!", op);
+ clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
rv = VPPCOM_EINVAL;
}
vep_verify_epoll_chain (vep_idx);
done:
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
return rv;
}
-#define VCL_LOCK_AND_GET_SESSION(I, S) \
-do { \
- vppcom_main_t *vcm = &vppcom_main; \
- \
- clib_spinlock_lock (&vcm->sessions_lockp); \
- rv = vppcom_session_at_index (I, S); \
- if (PREDICT_FALSE (rv)) \
- { \
- clib_spinlock_unlock (&vcm->sessions_lockp); \
- \
- if (VPPCOM_DEBUG > 0) \
- clib_warning ("ERROR: Invalid ##I (%u)!", I); \
- \
- goto done; \
- } \
-} while (0)
-
int
vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
int maxevents, double wait_for_time)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *vep_session;
+ elog_track_t vep_elog_track;
int rv;
f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
+ u32 keep_trying = 1;
int num_ev = 0;
u32 vep_next_sid, wait_cont_idx;
u8 is_vep;
if (PREDICT_FALSE (maxevents <= 0))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: Invalid maxevents (%d)!", maxevents);
- return VPPCOM_EINVAL;
- }
- if (PREDICT_FALSE (wait_for_time < 0))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: Invalid wait_for_time (%f)!", wait_for_time);
+ clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
+ getpid (), maxevents);
return VPPCOM_EINVAL;
}
memset (events, 0, sizeof (*events) * maxevents);
- VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
+ VCL_SESSION_LOCK_AND_GET (vep_idx, &vep_session);
vep_next_sid = vep_session->vep.next_sid;
is_vep = vep_session->is_vep;
wait_cont_idx = vep_session->wait_cont_idx;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ vep_elog_track = vep_session->elog_track;
+ VCL_SESSION_UNLOCK ();
if (PREDICT_FALSE (!is_vep))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: vep_idx (%u) is not a vep!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
+ getpid (), vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
- if ((VPPCOM_DEBUG > 0) && (PREDICT_FALSE (vep_next_sid == ~0)))
+ if (PREDICT_FALSE (vep_next_sid == ~0))
{
- clib_warning ("WARNING: vep_idx (%u) is empty!", vep_idx);
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
+ getpid (), vep_idx);
+ if (VPPCOM_DEBUG > 1)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "WRN: vep_idx:%d empty",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track);
+
+ ed->data = vep_idx;
+ /* *INDENT-ON* */
+ }
goto done;
}
u32 sid;
u32 next_sid = ~0;
session_t *session;
+ elog_track_t session_elog_track;
for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
sid != ~0; sid = next_sid)
int ready;
u64 session_ev_data;
- VCL_LOCK_AND_GET_SESSION (sid, &session);
+ VCL_SESSION_LOCK_AND_GET (sid, &session);
next_sid = session->vep.next_sid;
session_events = session->vep.ev.events;
et_mask = session->vep.et_mask;
is_vep_session = session->is_vep_session;
session_vep_idx = session->vep.vep_idx;
session_ev_data = session->vep.ev.data.u64;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+
+ if (VPPCOM_DEBUG > 0)
+ {
+ session_elog_track = session->elog_track;
+ }
+
+ VCL_SESSION_UNLOCK ();
if (PREDICT_FALSE (is_vep))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("ERROR: sid (%u) is a vep!", vep_idx);
+ clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
+ getpid (), vep_idx);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "ERR:vep_idx:%d is vep",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
+
+ ed->data = vep_idx;
+ /* *INDENT-ON* */
+ }
+
rv = VPPCOM_EINVAL;
goto done;
}
if (PREDICT_FALSE (!is_vep_session))
{
if (VPPCOM_DEBUG > 0)
- clib_warning ("EPOLL_CTL_MOD: session (%u) is not "
- "a vep session!", sid);
+ clib_warning ("VCL<%d>: ERROR: session (%u) is not "
+ "a vep session!", getpid (), sid);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "ERR:SID:%d not vep",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track);
+
+ ed->data = sid;
+ /* *INDENT-ON* */
+ }
+
rv = VPPCOM_EINVAL;
goto done;
}
if (PREDICT_FALSE (session_vep_idx != vep_idx))
{
- clib_warning ("EPOLL_CTL_MOD: session (%u) "
+ clib_warning ("VCL<%d>: ERROR: session (%u) "
"vep_idx (%u) != vep_idx (%u)!",
- sid, session->vep.vep_idx, vep_idx);
+ getpid (), sid, session_vep_idx, vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
add_event = clear_et_mask = 0;
- if ((EPOLLIN & session_events) && (EPOLLIN & et_mask))
+ if (EPOLLIN & session_events)
{
- VCL_LOCK_AND_GET_SESSION (sid, &session);
+ VCL_SESSION_LOCK_AND_GET (sid, &session);
ready = vppcom_session_read_ready (session, sid);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (ready > 0)
+ VCL_SESSION_UNLOCK ();
+ if ((ready > 0) && (EPOLLIN & et_mask))
{
add_event = 1;
events[num_ev].events |= EPOLLIN;
- if (EPOLLET & session_events)
+ if (((EPOLLET | EPOLLIN) & session_events) ==
+ (EPOLLET | EPOLLIN))
clear_et_mask |= EPOLLIN;
}
else if (ready < 0)
}
}
- if ((EPOLLOUT & session_events) && (EPOLLOUT & et_mask))
+ if (EPOLLOUT & session_events)
{
- VCL_LOCK_AND_GET_SESSION (sid, &session);
+ VCL_SESSION_LOCK_AND_GET (sid, &session);
ready = vppcom_session_write_ready (session, sid);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (ready > 0)
+ VCL_SESSION_UNLOCK ();
+ if ((ready > 0) && (EPOLLOUT & et_mask))
{
add_event = 1;
events[num_ev].events |= EPOLLOUT;
- if (EPOLLET & session_events)
+ if (((EPOLLET | EPOLLOUT) & session_events) ==
+ (EPOLLET | EPOLLOUT))
clear_et_mask |= EPOLLOUT;
}
else if (ready < 0)
events[num_ev].data.u64 = session_ev_data;
if (EPOLLONESHOT & session_events)
{
- VCL_LOCK_AND_GET_SESSION (sid, &session);
+ VCL_SESSION_LOCK_AND_GET (sid, &session);
session->vep.ev.events = 0;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
}
num_ev++;
if (num_ev == maxevents)
{
- VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
+ VCL_SESSION_LOCK_AND_GET (vep_idx, &vep_session);
vep_session->wait_cont_idx = next_sid;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
goto done;
}
}
next_sid = ~0;
}
}
+ if (wait_for_time != -1)
+ keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
}
- while ((num_ev == 0) && (clib_time_now (&vcm->clib_time) <= timeout));
+ while ((num_ev == 0) && keep_trying);
if (wait_cont_idx != ~0)
{
- VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
+ VCL_SESSION_LOCK_AND_GET (vep_idx, &vep_session);
vep_session->wait_cont_idx = ~0;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
}
done:
return (rv != VPPCOM_OK) ? rv : num_ev;
vppcom_session_attr (uint32_t session_index, uint32_t op,
void *buffer, uint32_t * buflen)
{
- vppcom_main_t *vcm = &vppcom_main;
session_t *session;
int rv = VPPCOM_OK;
u32 *flags = buffer;
vppcom_endpt_t *ep = buffer;
- VCL_LOCK_AND_GET_SESSION (session_index, &session);
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+
+ ASSERT (session);
+
switch (op)
{
case VPPCOM_ATTR_GET_NREAD:
rv = vppcom_session_read_ready (session, session_index);
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
+ getpid (), rv);
if (VPPCOM_DEBUG > 0)
- clib_warning ("VPPCOM_ATTR_GET_NREAD: nread = %d", rv);
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->data = rv;
+ /* *INDENT-ON* */
+ }
break;
- case VPPCOM_ATTR_PEEK_NREAD:
- /* TBD */
+ case VPPCOM_ATTR_GET_NWRITE:
+ rv = vppcom_session_write_ready (session, session_index);
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
+ getpid (), session_index, rv);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
+ .format_args = "i4",
+ };
+ struct
+ {
+ u32 data;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->data = rv;
+ /* *INDENT-ON* */
+ }
break;
case VPPCOM_ATTR_GET_FLAGS:
- if (buffer && buflen && (*buflen >= sizeof (*flags)))
+ if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
{
- *flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0);
+ *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_NONBLOCK));
*buflen = sizeof (*flags);
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
+ "flags = 0x%08x, is_nonblocking = %u", getpid (),
+ session_index, *flags,
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_NONBLOCK));
if (VPPCOM_DEBUG > 0)
- clib_warning ("VPPCOM_ATTR_GET_FLAGS: flags = 0x%08x, "
- "is_nonblocking = %u", *flags,
- session->is_nonblocking);
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
+ .format_args = "i4i4",
+ };
+ struct
+ {
+ u32 flags;
+ u32 is_nonblk;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->flags = *flags;
+ ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ /* *INDENT-ON* */
+ }
+
}
else
rv = VPPCOM_EINVAL;
break;
case VPPCOM_ATTR_SET_FLAGS:
- if (buffer && buflen && (*buflen >= sizeof (*flags)))
+ if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
{
- session->is_nonblocking = (*flags & O_NONBLOCK) ? 1 : 0;
+ if (*flags & O_NONBLOCK)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
+ "flags = 0x%08x, is_nonblocking = %u",
+ getpid (), session_index, *flags,
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_NONBLOCK));
if (VPPCOM_DEBUG > 0)
- clib_warning ("VPPCOM_ATTR_SET_FLAGS: flags = 0x%08x, "
- "is_nonblocking = %u", *flags,
- session->is_nonblocking);
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
+ .format_args = "i4i4",
+ };
+ struct
+ {
+ u32 flags;
+ u32 is_nonblk;
+ } *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->flags = *flags;
+ ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ /* *INDENT-ON* */
+ }
}
else
rv = VPPCOM_EINVAL;
break;
case VPPCOM_ATTR_GET_PEER_ADDR:
- if (buffer && buflen && (*buflen >= sizeof (*ep)))
+ if (PREDICT_TRUE (buffer && buflen &&
+ (*buflen >= sizeof (*ep)) && ep->ip))
{
- ep->vrf = session->vrf;
ep->is_ip4 = session->peer_addr.is_ip4;
ep->port = session->peer_port;
if (session->peer_addr.is_ip4)
clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VPPCOM_ATTR_GET_PEER_ADDR: sid %u is_ip4 = %u, "
- "addr = %U, port %u", session_index,
- ep->is_ip4, format_ip46_address,
- &session->peer_addr.ip46, ep->is_ip4,
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
+ "is_ip4 = %u, addr = %U, port %u", getpid (),
+ session_index, ep->is_ip4, format_ip46_address,
+ &session->peer_addr.ip46,
+ ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (ep->port));
+ if (VPPCOM_DEBUG > 0)
+ {
+ if (ep->is_ip4)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
+ .format_args = "i1i1i1i1i2",
+ };
+ CLIB_PACKED (struct {
+ u8 addr[4]; //4
+ u16 port; //2
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
+ ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
+ ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
+ ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
+ ed->port = clib_net_to_host_u16 (session->peer_port);
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
+ .format_args = "i2",
+ };
+ CLIB_PACKED (struct {
+ u16 port; //2
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->port = clib_net_to_host_u16 (session->peer_port);
+ /* *INDENT-ON* */
+ }
+ }
}
else
rv = VPPCOM_EINVAL;
break;
case VPPCOM_ATTR_GET_LCL_ADDR:
- if (buffer && buflen && (*buflen >= sizeof (*ep)))
+ if (PREDICT_TRUE (buffer && buflen &&
+ (*buflen >= sizeof (*ep)) && ep->ip))
{
- ep->vrf = session->vrf;
ep->is_ip4 = session->lcl_addr.is_ip4;
ep->port = session->lcl_port;
if (session->lcl_addr.is_ip4)
clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VPPCOM_ATTR_GET_LCL_ADDR: sid %u is_ip4 = %u, "
- "addr = %U port %d", session_index,
- ep->is_ip4, format_ip46_address,
- &session->lcl_addr.ip46, ep->is_ip4,
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
+ "is_ip4 = %u, addr = %U port %d", getpid (),
+ session_index, ep->is_ip4, format_ip46_address,
+ &session->lcl_addr.ip46,
+ ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (ep->port));
+ if (VPPCOM_DEBUG > 0)
+ {
+ if (ep->is_ip4)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
+ .format_args = "i1i1i1i1i2",
+ };
+ CLIB_PACKED (struct {
+ u8 addr[4]; //4
+ u16 port; //2
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
+ ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
+ ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
+ ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
+ ed->port = clib_net_to_host_u16 (session->peer_port);
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
+ .format_args = "i2",
+ };
+ CLIB_PACKED (struct {
+ u16 port; //2
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->port = clib_net_to_host_u16 (session->peer_port);
+ /* *INDENT-ON* */
+ }
+ }
}
else
rv = VPPCOM_EINVAL;
break;
- case VPPCOM_ATTR_SET_REUSEADDR:
- break;
+ case VPPCOM_ATTR_GET_LIBC_EPFD:
+ rv = session->libc_epfd;
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
+ getpid (), rv);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
+ .format_args = "i4",
+ };
+ CLIB_PACKED (struct {
+ i32 data;
+ }) *ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data = session->libc_epfd;
+ /* *INDENT-ON* */
+ }
- case VPPCOM_ATTR_SET_BROADCAST:
break;
- case VPPCOM_ATTR_SET_V6ONLY:
- break;
+ case VPPCOM_ATTR_SET_LIBC_EPFD:
+ if (PREDICT_TRUE (buffer && buflen &&
+ (*buflen == sizeof (session->libc_epfd))))
+ {
+ session->libc_epfd = *(int *) buffer;
+ *buflen = sizeof (session->libc_epfd);
- case VPPCOM_ATTR_SET_KEEPALIVE:
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
+ "buflen %d", getpid (), session->libc_epfd,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
+ .format_args = "t1i4i4",
+ .n_enum_strings = 2,
+ .enum_strings = {"", "-",},
+ };
+ CLIB_PACKED (struct {
+ u8 sign;
+ u32 data[2];
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+
+ ed->sign = (session->libc_epfd < 0);
+ ed->data[0] = abs(session->libc_epfd);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
break;
- case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
+ case VPPCOM_ATTR_GET_PROTOCOL:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ *(int *) buffer = session->proto;
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
+ "buflen %d", getpid (), *(int *) buffer,
+ *(int *) buffer ? "UDP" : "TCP", *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
+ .format_args = "t1i4",
+ .n_enum_strings = 2,
+ .enum_strings = {"TCP", "UDP",},
+ };
+
+ CLIB_PACKED (struct {
+ u8 proto;
+ u32 buflen;
+ }) * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->proto = session->proto;
+ ed->buflen = *(int *) buffer;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
break;
- case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
+ case VPPCOM_ATTR_GET_LISTEN:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_LISTEN);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
+ "buflen %d", getpid (), *(int *) buffer, *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
break;
- default:
- rv = VPPCOM_EINVAL;
+ case VPPCOM_ATTR_GET_ERROR:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ *(int *) buffer = 0;
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ *(int *) buffer, *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
break;
- }
-done:
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return rv;
-}
+ case VPPCOM_ATTR_GET_TX_FIFO_LEN:
+ if (buffer && buflen && (*buflen >= sizeof (u32)))
+ {
+
+ /* VPP-TBD */
+ *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
+ session->tx_fifo ? session->tx_fifo->nitems :
+ vcm->cfg.tx_fifo_size);
+ *buflen = sizeof (u32);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ *(size_t *) buffer, *(size_t *) buffer, *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(size_t *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_TX_FIFO_LEN:
+ if (buffer && buflen && (*buflen == sizeof (u32)))
+ {
+ /* VPP-TBD */
+ session->sndbuf_size = *(u32 *) buffer;
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ session->sndbuf_size, session->sndbuf_size,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = session->sndbuf_size;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_RX_FIFO_LEN:
+ if (buffer && buflen && (*buflen >= sizeof (u32)))
+ {
+
+ /* VPP-TBD */
+ *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
+ session->rx_fifo ? session->rx_fifo->nitems :
+ vcm->cfg.rx_fifo_size);
+ *buflen = sizeof (u32);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ *(size_t *) buffer, *(size_t *) buffer, *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(size_t *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_RX_FIFO_LEN:
+ if (buffer && buflen && (*buflen == sizeof (u32)))
+ {
+ /* VPP-TBD */
+ session->rcvbuf_size = *(u32 *) buffer;
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ session->sndbuf_size, session->sndbuf_size,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = session->sndbuf_size;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_REUSEADDR:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEADDR);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_REUSEADDR:
+ if (buffer && buflen && (*buflen == sizeof (int)) &&
+ !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEADDR),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEADDR);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_REUSEPORT:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEPORT);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_REUSEPORT:
+ if (buffer && buflen && (*buflen == sizeof (int)) &&
+ !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEPORT),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEPORT);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_BROADCAST:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_BROADCAST);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_BROADCAST:
+ if (buffer && buflen && (*buflen == sizeof (int)))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_BROADCAST),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_BROADCAST);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_V6ONLY:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_V6ONLY);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_V6ONLY:
+ if (buffer && buflen && (*buflen == sizeof (int)))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_V6ONLY), *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_V6ONLY);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_KEEPALIVE:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_KEEPALIVE);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_KEEPALIVE:
+ if (buffer && buflen && (*buflen == sizeof (int)))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_KEEPALIVE),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_KEEPALIVE);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_TCP_NODELAY:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_NODELAY);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_TCP_NODELAY:
+ if (buffer && buflen && (*buflen == sizeof (int)))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_NODELAY),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_NODELAY);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_KEEPIDLE);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
+ if (buffer && buflen && (*buflen == sizeof (int)))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_KEEPIDLE),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_KEEPIDLE);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ /* VPP-TBD */
+ *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_KEEPINTVL);
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
+ if (buffer && buflen && (*buflen == sizeof (int)))
+ {
+ /* VPP-TBD */
+ if (*(int *) buffer)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_KEEPINTVL),
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_TCP_KEEPINTVL);
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_TCP_USER_MSS:
+ if (buffer && buflen && (*buflen >= sizeof (u32)))
+ {
+ /* VPP-TBD */
+ *(u32 *) buffer = session->user_mss;
+ *buflen = sizeof (int);
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
+ *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = *(int *) buffer;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_TCP_USER_MSS:
+ if (buffer && buflen && (*buflen == sizeof (u32)))
+ {
+ /* VPP-TBD */
+ session->user_mss = *(u32 *) buffer;
+
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
+ "buflen %d, #VPP-TBD#", getpid (),
+ session->user_mss, *buflen);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
+ .format_args = "i4i4",
+ };
+
+ struct {
+ u32 data[2];
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
+ ed->data[0] = session->user_mss;
+ ed->data[1] = *buflen;
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ default:
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+
+done:
+ VCL_SESSION_UNLOCK ();
+ return rv;
+}
int
vppcom_session_recvfrom (uint32_t session_index, void *buffer,
uint32_t buflen, int flags, vppcom_endpt_t * ep)
{
- vppcom_main_t *vcm = &vppcom_main;
int rv = VPPCOM_OK;
session_t *session = 0;
if (ep)
{
- clib_spinlock_lock (&vcm->sessions_lockp);
+ VCL_SESSION_LOCK ();
rv = vppcom_session_at_index (session_index, &session);
if (PREDICT_FALSE (rv))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- vcm->my_pid, session_index);
- rv = VPPCOM_EINVAL;
+ clib_warning ("VCL<%d>: invalid session, "
+ "sid (%u) has been closed!",
+ getpid (), session_index);
+ if (VPPCOM_DEBUG > 0)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "invalid session: %d closed",
+ .format_args = "i4",
+ };
+
+ struct {
+ u32 data;
+ } * ed;
+
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
+ ed->data = session_index;
+ /* *INDENT-ON* */
+ }
+ rv = VPPCOM_EBADFD;
+ VCL_SESSION_UNLOCK ();
+ goto done;
}
- ep->vrf = session->vrf;
ep->is_ip4 = session->peer_addr.is_ip4;
ep->port = session->peer_port;
if (session->peer_addr.is_ip4)
else
clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
sizeof (ip6_address_t));
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
}
if (flags == 0)
rv = vppcom_session_peek (session_index, buffer, buflen);
else
{
- clib_warning ("Unsupport flags for recvfrom %d", flags);
+ clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
+ getpid (), flags);
rv = VPPCOM_EAFNOSUPPORT;
}
+done:
return rv;
}
vppcom_session_sendto (uint32_t session_index, void *buffer,
uint32_t buflen, int flags, vppcom_endpt_t * ep)
{
+ if (!buffer)
+ return VPPCOM_EINVAL;
+
if (ep)
- // TBD
- return -1;
- else if (flags == 0)
- return (vppcom_session_write (session_index, buffer, buflen));
- else if (flags)
- // TBD check the flags and do the right thing
- return (vppcom_session_write (session_index, buffer, buflen));
-
- return -1;
+ {
+ // TBD
+ return VPPCOM_EINVAL;
+ }
+
+ if (flags)
+ {
+ // TBD check the flags and do the right thing
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
+ "not implemented yet.", getpid (), flags, flags);
+ }
+
+ return (vppcom_session_write (session_index, buffer, buflen));
+}
+
+int
+vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
+{
+ f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
+ u32 i, keep_trying = 1;
+ int rv, num_ev = 0;
+
+ if (VPPCOM_DEBUG > 3)
+ clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
+ getpid (), vp, n_sids, wait_for_time);
+
+ if (!vp)
+ return VPPCOM_EFAULT;
+
+ do
+ {
+ session_t *session;
+
+ for (i = 0; i < n_sids; i++)
+ {
+ ASSERT (vp[i].revents);
+
+ VCL_SESSION_LOCK_AND_GET (vp[i].sid, &session);
+ VCL_SESSION_UNLOCK ();
+
+ if (*vp[i].revents)
+ *vp[i].revents = 0;
+
+ if (POLLIN & vp[i].events)
+ {
+ VCL_SESSION_LOCK_AND_GET (vp[i].sid, &session);
+ rv = vppcom_session_read_ready (session, vp[i].sid);
+ VCL_SESSION_UNLOCK ();
+ if (rv > 0)
+ {
+ *vp[i].revents |= POLLIN;
+ num_ev++;
+ }
+ else if (rv < 0)
+ {
+ switch (rv)
+ {
+ case VPPCOM_ECONNRESET:
+ *vp[i].revents = POLLHUP;
+ break;
+
+ default:
+ *vp[i].revents = POLLERR;
+ break;
+ }
+ num_ev++;
+ }
+ }
+
+ if (POLLOUT & vp[i].events)
+ {
+ VCL_SESSION_LOCK_AND_GET (vp[i].sid, &session);
+ rv = vppcom_session_write_ready (session, vp[i].sid);
+ VCL_SESSION_UNLOCK ();
+ if (rv > 0)
+ {
+ *vp[i].revents |= POLLOUT;
+ num_ev++;
+ }
+ else if (rv < 0)
+ {
+ switch (rv)
+ {
+ case VPPCOM_ECONNRESET:
+ *vp[i].revents = POLLHUP;
+ break;
+
+ default:
+ *vp[i].revents = POLLERR;
+ break;
+ }
+ num_ev++;
+ }
+ }
+
+ if (0) // Note "done:" label used by VCL_SESSION_LOCK_AND_GET()
+ {
+ done:
+ *vp[i].revents = POLLNVAL;
+ num_ev++;
+ }
+ }
+ if (wait_for_time != -1)
+ keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
+ }
+ while ((num_ev == 0) && keep_trying);
+
+ if (VPPCOM_DEBUG > 3)
+ {
+ clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
+ for (i = 0; i < n_sids; i++)
+ {
+ clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
+ ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
+ vp[i].events, *vp[i].revents);
+ }
+ }
+ return num_ev;
+}
+
+/*
+ * VPPCOM Event Functions
+ */
+
+void *
+vppcom_session_io_thread_fn (void *arg)
+{
+ vppcom_session_io_thread_t *evt = (vppcom_session_io_thread_t *) arg;
+ u32 *session_indexes = 0, *session_index;
+ int i, rv;
+ u32 bytes = 0;
+ session_t *session;
+
+ while (1)
+ {
+ vec_reset_length (session_indexes);
+ VCE_IO_SESSIONS_LOCK ();
+ pool_foreach (session_index, evt->active_session_indexes, (
+ {
+ vec_add1
+ (session_indexes,
+ *session_index);
+ }
+ ));
+ VCE_IO_SESSIONS_UNLOCK ();
+ if (session_indexes)
+ {
+ for (i = 0; i < vec_len (session_indexes); ++i)
+ {
+ VCL_SESSION_LOCK_AND_GET (session_indexes[i], &session);
+ bytes = svm_fifo_max_dequeue (session->rx_fifo);
+ VCL_SESSION_UNLOCK ();
+
+ if (bytes)
+ {
+ vppcom_ioevent_t *eio;
+ vce_event_t *ev;
+ u32 ev_idx;
+
+ VCL_EVENTS_LOCK ();
+
+ pool_get (vcm->event_thread.vce_events, ev);
+ ev_idx = (u32) (ev - vcm->event_thread.vce_events);
+ eio = vce_get_event_data (ev, sizeof (*eio));
+ ev->evk.eid = VCL_EVENT_IOEVENT_RX_FIFO;
+ ev->evk.session_index = session_indexes[i];
+ eio->bytes = bytes;
+ eio->session_index = session_indexes[i];
+
+ VCL_EVENTS_UNLOCK ();
+
+ rv = vce_generate_event (&vcm->event_thread, ev_idx);
+ }
+ }
+ }
+ struct timespec ts;
+ ts.tv_sec = 0;
+ ts.tv_nsec = 1000000; /* 1 millisecond */
+ nanosleep (&ts, NULL);
+ }
+done:
+ VCL_SESSION_UNLOCK ();
+ return NULL;
+}
+
+int
+vppcom_start_io_event_thread (vppcom_session_io_thread_t * evt,
+ u8 max_sessions)
+{
+ pthread_cond_init (&(evt->vce_io_cond), NULL);
+ pthread_mutex_init (&(evt->vce_io_lock), NULL);
+
+ clib_spinlock_init (&(evt->io_sessions_lockp));
+
+ return pthread_create (&(evt->thread), NULL /* attr */ ,
+ vppcom_session_io_thread_fn, evt);
+}
+
+void
+vce_registered_ioevent_handler_fn (void *arg)
+{
+ vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
+ vppcom_ioevent_t *eio;
+ vce_event_t *ev;
+ u32 ioevt_ndx = (u64) (reg->handler_fn_args);
+ vppcom_session_ioevent_t *ioevent, ioevent_;
+
+ VCL_EVENTS_LOCK ();
+ ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
+ eio = vce_get_event_data (ev, sizeof (*eio));
+ VCL_EVENTS_UNLOCK ();
+
+ VCL_IO_SESSIONS_LOCK ();
+ ioevent = pool_elt_at_index (vcm->session_io_thread.ioevents, ioevt_ndx);
+ ioevent_ = *ioevent;
+ VCL_IO_SESSIONS_UNLOCK ();
+ (ioevent_.user_cb) (eio, ioevent_.user_cb_data);
+ vce_clear_event (&vcm->event_thread, reg->ev_idx);
+ return;
+
+ /*TODO - Unregister check in close for this listener */
+
+}
+
+void
+vce_registered_listener_connect_handler_fn (void *arg)
+{
+ vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
+ vce_event_connect_request_t *ecr;
+ vce_event_t *ev;
+ vppcom_endpt_t ep;
+
+ session_t *new_session;
+ int rv;
+
+ vppcom_session_listener_t *session_listener =
+ (vppcom_session_listener_t *) reg->handler_fn_args;
+
+ VCL_EVENTS_LOCK ();
+ ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
+ ecr = vce_get_event_data (ev, sizeof (*ecr));
+ VCL_EVENTS_UNLOCK ();
+ VCL_SESSION_LOCK_AND_GET (ecr->accepted_session_index, &new_session);
+
+ ep.is_ip4 = new_session->peer_addr.is_ip4;
+ ep.port = new_session->peer_port;
+ if (new_session->peer_addr.is_ip4)
+ clib_memcpy (&ep.ip, &new_session->peer_addr.ip46.ip4,
+ sizeof (ip4_address_t));
+ else
+ clib_memcpy (&ep.ip, &new_session->peer_addr.ip46.ip6,
+ sizeof (ip6_address_t));
+
+ vppcom_send_accept_session_reply (new_session->vpp_handle,
+ new_session->client_context,
+ 0 /* retval OK */ );
+ VCL_SESSION_UNLOCK ();
+
+ (session_listener->user_cb) (ecr->accepted_session_index, &ep,
+ session_listener->user_cb_data);
+
+ if (vcm->session_io_thread.io_sessions_lockp)
+ {
+ /* Throw this new accepted session index into the rx poll thread pool */
+ VCL_IO_SESSIONS_LOCK ();
+ u32 *active_session_index;
+ pool_get (vcm->session_io_thread.active_session_indexes,
+ active_session_index);
+ *active_session_index = ecr->accepted_session_index;
+ VCL_IO_SESSIONS_UNLOCK ();
+ }
+
+ /*TODO - Unregister check in close for this listener */
+ return;
+
+done:
+ ASSERT (0); // If we can't get a lock or accepted session fails, lets blow up.
+}
+
+/**
+ * @brief vce_poll_wait_connect_request_handler_fn
+ * - used by vppcom_epoll_xxxx() for listener sessions
+ * - when a vl_api_accept_session_t_handler() generates an event
+ * this callback is alerted and sets the fields that vppcom_epoll_wait()
+ * expects to see.
+ *
+ * @param arg - void* to be cast to vce_event_handler_reg_t*
+ */
+void
+vce_poll_wait_connect_request_handler_fn (void *arg)
+{
+ vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
+ vce_event_t *ev;
+ /* Retrieve the VCL_EVENT_CONNECT_REQ_ACCEPTED event */
+ ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
+ vce_event_connect_request_t *ecr = vce_get_event_data (ev, sizeof (*ecr));
+
+ /* Add the accepted_session_index to the FIFO */
+ VCL_ACCEPT_FIFO_LOCK ();
+ clib_fifo_add1 (vcm->client_session_index_fifo,
+ ecr->accepted_session_index);
+ VCL_ACCEPT_FIFO_UNLOCK ();
+
+ /* Recycling the event. */
+ VCL_EVENTS_LOCK ();
+ ev->recycle = 1;
+ clib_fifo_add1 (vcm->event_thread.event_index_fifo, reg->ev_idx);
+ VCL_EVENTS_UNLOCK ();
+}
+
+int
+vppcom_session_register_ioevent_cb (uint32_t session_index,
+ vppcom_session_ioevent_cb cb,
+ uint8_t rx, void *ptr)
+{
+ int rv = VPPCOM_OK;
+ vce_event_key_t evk;
+ vppcom_session_ioevent_t *ioevent;
+
+ if (!vcm->session_io_thread.io_sessions_lockp)
+ rv = vppcom_start_io_event_thread (&vcm->session_io_thread, 100 /* DAW_TODO: ??? hard-coded value */
+ );
+
+ if (rv == VPPCOM_OK)
+ {
+ void *io_evt_ndx;
+
+ /* Register handler for ioevent on session_index */
+ VCL_IO_SESSIONS_LOCK ();
+ pool_get (vcm->session_io_thread.ioevents, ioevent);
+ io_evt_ndx = (void *) (ioevent - vcm->session_io_thread.ioevents);
+ ioevent->user_cb = cb;
+ ioevent->user_cb_data = ptr;
+ VCL_IO_SESSIONS_UNLOCK ();
+
+ evk.session_index = session_index;
+ evk.eid = rx ? VCL_EVENT_IOEVENT_RX_FIFO : VCL_EVENT_IOEVENT_TX_FIFO;
+
+ (void) vce_register_handler (&vcm->event_thread, &evk,
+ vce_registered_ioevent_handler_fn,
+ io_evt_ndx);
+ }
+ return rv;
+}
+
+int
+vppcom_session_register_listener (uint32_t session_index,
+ vppcom_session_listener_cb cb,
+ vppcom_session_listener_errcb
+ errcb, uint8_t flags, int q_len, void *ptr)
+{
+ int rv = VPPCOM_OK;
+ vce_event_key_t evk;
+ vppcom_session_listener_t *listener_args;
+
+ if (!vcm->session_io_thread.io_sessions_lockp)
+ rv = vppcom_start_io_event_thread (&vcm->session_io_thread, 100 /* DAW_TODO: ??? hard-coded value */
+ );
+ if (rv)
+ {
+ goto done;
+ }
+ rv = vppcom_session_listen (session_index, q_len);
+ if (rv)
+ {
+ goto done;
+ }
+
+ /* Register handler for connect_request event on listen_session_index */
+ listener_args = clib_mem_alloc (sizeof (vppcom_session_listener_t)); // DAW_TODO: Use a pool instead of thrashing the memory allocator!
+ listener_args->user_cb = cb;
+ listener_args->user_cb_data = ptr;
+ listener_args->user_errcb = errcb;
+
+ evk.session_index = session_index;
+ evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
+ (void) vce_register_handler (&vcm->event_thread, &evk,
+ vce_registered_listener_connect_handler_fn,
+ listener_args);
+
+done:
+ return rv;
}
/*