#include <stdio.h>
#include <stdlib.h>
-#include <signal.h>
#include <svm/svm_fifo_segment.h>
-#include <vlibmemory/api.h>
-#include <vpp/api/vpe_msg_enum.h>
-#include <vnet/session/application_interface.h>
#include <vcl/vppcom.h>
-#include <vlib/unix/unix.h>
-#include <vppinfra/vec_bootstrap.h>
-
-#define vl_typedefs /* define message structures */
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_typedefs
-
-/* declare message handlers for each api */
-
-#define vl_endianfun /* define message structures */
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...)
-#define vl_printfun
-#include <vpp/api/vpe_all_api_h.h>
-#undef vl_printfun
-
-#if (CLIB_DEBUG > 0)
-/* 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_INIT 0
-#endif
-
-#define VPPCOM_DEBUG vcm->debug
-
-/*
- * VPPCOM Private definitions and functions.
- */
-typedef enum
-{
- STATE_APP_START,
- STATE_APP_CONN_VPP,
- STATE_APP_ENABLED,
- STATE_APP_ATTACHED,
-} app_state_t;
-
-typedef enum
-{
- STATE_START,
- STATE_CONNECT,
- STATE_LISTEN,
- STATE_ACCEPT,
- STATE_DISCONNECT,
- STATE_FAILED
-} session_state_t;
-
-typedef struct epoll_event vppcom_epoll_event_t;
-
-typedef struct
-{
- u32 next_sid;
- u32 prev_sid;
- u32 vep_idx;
- vppcom_epoll_event_t ev;
-#define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT)
- u32 et_mask;
-} vppcom_epoll_t;
-
-typedef struct
-{
- u8 is_ip4;
- ip46_address_t ip46;
-} vppcom_ip46_t;
-
-typedef struct
-{
- volatile session_state_t state;
-
- svm_fifo_t *server_rx_fifo;
- svm_fifo_t *server_tx_fifo;
- u32 sm_seg_index;
- u64 vpp_session_handle;
- unix_shared_memory_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 wait_cont_idx;
- vppcom_epoll_t vep;
- u32 vrf;
- vppcom_ip46_t lcl_addr;
- vppcom_ip46_t peer_addr;
- u16 lcl_port; // network order
- u16 peer_port; // network order
- u8 proto;
- u64 client_queue_address;
- u64 options[16];
-} session_t;
-
-typedef struct vppcom_cfg_t_
-{
- u64 heapsize;
- u64 segment_baseva;
- u32 segment_size;
- u32 add_segment_size;
- u32 preallocated_fifo_pairs;
- u32 rx_fifo_size;
- u32 tx_fifo_size;
- u32 event_queue_size;
- u32 listen_queue_size;
- 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;
-} vppcom_cfg_t;
-
-typedef struct vppcom_main_t_
-{
- u8 init;
- u32 debug;
- u32 *client_session_index_fifo;
- volatile u32 bind_session_index;
- int main_cpu;
-
- /* vpe input queue */
- unix_shared_memory_queue_t *vl_input_queue;
-
- /* API client handle */
- u32 my_client_index;
-
- /* Session pool */
- clib_spinlock_t sessions_lockp;
- session_t *sessions;
-
- /* Hash table for disconnect processing */
- uword *session_index_by_vpp_handles;
-
- /* Select bitmaps */
- clib_bitmap_t *rd_bitmap;
- clib_bitmap_t *wr_bitmap;
- clib_bitmap_t *ex_bitmap;
-
- /* Our event queue */
- unix_shared_memory_queue_t *app_event_queue;
-
- /* unique segment name counter */
- u32 unique_segment_index;
-
- /* For deadman timers */
- clib_time_t clib_time;
-
- /* State of the connection, shared between msg RX thread and main thread */
- volatile app_state_t app_state;
-
- vppcom_cfg_t cfg;
-
- /* VNET_API_ERROR_FOO -> "Foo" hash table */
- uword *error_string_by_error_number;
-} vppcom_main_t;
-
-/* 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;
+#include <vcl/vcl_event.h>
+#include <vcl/vcl_debug.h>
+#include <vcl/vcl_private.h>
static const char *
vppcom_app_state_str (app_state_t state)
return st;
}
-static const char *
+const char *
vppcom_session_state_str (session_state_t state)
{
char *st;
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)
+u8 *
+format_ip4_address (u8 * s, va_list * args)
{
- /* 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!",
- getpid (), session_index);
- return VPPCOM_EBADFD;
- }
- *sess = pool_elt_at_index (vcm->sessions, session_index);
- return VPPCOM_OK;
+ u8 *a = va_arg (*args, u8 *);
+ return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
}
-static int
-vppcom_connect_to_vpp (char *app_name)
+u8 *
+format_ip6_address (u8 * s, va_list * args)
{
- api_main_t *am = &api_main;
+ ip6_address_t *a = va_arg (*args, ip6_address_t *);
+ u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
- if (VPPCOM_DEBUG > 0)
- printf ("\nConnecting to VPP api...");
- if (vl_client_connect_to_vlib ("/vpe-api", app_name, 32) < 0)
+ i_max_n_zero = ARRAY_LEN (a->as_u16);
+ max_n_zeros = 0;
+ i_first_zero = i_max_n_zero;
+ n_zeros = 0;
+ for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
{
- clib_warning ("[%d] connect to vpp (%s) failed!", getpid (), app_name);
- return VPPCOM_ECONNREFUSED;
+ u32 is_zero = a->as_u16[i] == 0;
+ if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
+ {
+ i_first_zero = i;
+ n_zeros = 0;
+ }
+ n_zeros += is_zero;
+ if ((!is_zero && n_zeros > max_n_zeros)
+ || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
+ {
+ i_max_n_zero = i_first_zero;
+ max_n_zeros = n_zeros;
+ i_first_zero = ARRAY_LEN (a->as_u16);
+ n_zeros = 0;
+ }
}
- 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");
+ last_double_colon = 0;
+ for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
+ {
+ if (i == i_max_n_zero && max_n_zeros > 1)
+ {
+ s = format (s, "::");
+ i += max_n_zeros - 1;
+ last_double_colon = 1;
+ }
+ else
+ {
+ s = format (s, "%s%x",
+ (last_double_colon || i == 0) ? "" : ":",
+ clib_net_to_host_u16 (a->as_u16[i]));
+ last_double_colon = 0;
+ }
+ }
- vcm->app_state = STATE_APP_CONN_VPP;
- return VPPCOM_OK;
+ return s;
}
-static u8 *
-format_api_error (u8 * s, va_list * args)
+/* Format an IP46 address. */
+u8 *
+format_ip46_address (u8 * s, va_list * args)
{
- i32 error = va_arg (*args, u32);
- uword *p;
+ ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
+ ip46_type_t type = va_arg (*args, ip46_type_t);
+ int is_ip4 = 1;
- p = hash_get (vcm->error_string_by_error_number, -error);
+ switch (type)
+ {
+ case IP46_TYPE_ANY:
+ is_ip4 = ip46_address_is_ip4 (ip46);
+ break;
+ case IP46_TYPE_IP4:
+ is_ip4 = 1;
+ break;
+ case IP46_TYPE_IP6:
+ is_ip4 = 0;
+ break;
+ }
- if (p)
- s = format (s, "%s (%d)", p[0], error);
- else
- s = format (s, "%d", error);
- return s;
+ return is_ip4 ?
+ format (s, "%U", format_ip4_address, &ip46->ip4) :
+ format (s, "%U", format_ip6_address, &ip46->ip6);
}
-static void
-vppcom_init_error_string_table (void)
-{
- 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);
- foreach_vnet_api_error;
-#undef _
+/*
+ * VPPCOM Utility Functions
+ */
- hash_set (vcm->error_string_by_error_number, 99, "Misc");
+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 inline int
if (vcm->app_state == app_state)
return VPPCOM_OK;
}
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] timeout waiting for state %s (%d)", getpid (),
- vppcom_app_state_str (app_state), app_state);
+ VDBG (0, "VCL<%d>: timeout waiting for state %s (%d)", getpid (),
+ vppcom_app_state_str (app_state), app_state);
+ vcl_evt (VCL_EVT_SESSION_TIMEOUT, vcm, app_state);
+
return VPPCOM_ETIMEDOUT;
}
f64 wait_for_time)
{
f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
- session_t *volatile session;
+ vcl_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->session_state & state)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
return VPPCOM_OK;
}
- clib_spinlock_unlock (&vcm->sessions_lockp);
- }
- while (clib_time_now (&vcm->clib_time) < timeout);
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] timeout waiting for state %s (%d)", getpid (),
- vppcom_session_state_str (state), state);
- return VPPCOM_ETIMEDOUT;
-}
-
-static inline int
-vppcom_wait_for_client_session_index (f64 wait_for_time)
-{
- f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
+ if (session->session_state & STATE_FAILED)
+ {
+ VCL_SESSION_UNLOCK ();
+ return VPPCOM_ECONNREFUSED;
+ }
- do
- {
- if (clib_fifo_elts (vcm->client_session_index_fifo))
- return VPPCOM_OK;
+ VCL_SESSION_UNLOCK ();
}
while (clib_time_now (&vcm->clib_time) < timeout);
- if (wait_for_time == 0)
- return VPPCOM_EAGAIN;
+ VDBG (0, "VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (), state,
+ vppcom_session_state_str (state));
+ vcl_evt (VCL_EVT_SESSION_TIMEOUT, session, session_state);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] timeout waiting for client_session_index", getpid ());
return VPPCOM_ETIMEDOUT;
}
-/*
- * VPP-API message functions
- */
-static void
-vppcom_send_session_enable_disable (u8 is_enable)
-{
- vl_api_session_enable_disable_t *bmp;
- bmp = vl_msg_api_alloc (sizeof (*bmp));
- memset (bmp, 0, sizeof (*bmp));
-
- bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
- bmp->client_index = vcm->my_client_index;
- bmp->context = htonl (0xfeedface);
- bmp->is_enable = is_enable;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
-}
-
static int
vppcom_app_session_enable (void)
{
rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] Session enable timed out, rv = %s (%d)",
- getpid (), vppcom_retval_str (rv), rv);
+ VDBG (0, "VCL<%d>: application session enable timed out! "
+ "returning %d (%s)", getpid (), rv, vppcom_retval_str (rv));
return rv;
}
}
return VPPCOM_OK;
}
-static void
- vl_api_session_enable_disable_reply_t_handler
- (vl_api_session_enable_disable_reply_t * mp)
-{
- if (mp->retval)
- {
- clib_warning ("[%d] session_enable_disable failed: %U", getpid (),
- format_api_error, ntohl (mp->retval));
- }
- else
- vcm->app_state = STATE_APP_ENABLED;
-}
-
-static void
-vppcom_app_send_attach (void)
-{
- 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->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
- bmp->client_index = vcm->my_client_index;
- bmp->context = htonl (0xfeedface);
- bmp->options[APP_OPTIONS_FLAGS] =
- APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
- (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] =
- (vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
- (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 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;
- if (nsid_len)
- {
- bmp->namespace_id_len = nsid_len;
- clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len);
- bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret;
- }
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
-}
-
static int
vppcom_app_attach (void)
{
rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] application attach timed out, rv = %s (%d)",
- getpid (), vppcom_retval_str (rv), rv);
+ VDBG (0, "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)
-{
- vl_api_application_detach_t *bmp;
- bmp = vl_msg_api_alloc (sizeof (*bmp));
- memset (bmp, 0, sizeof (*bmp));
-
- bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
- bmp->client_index = vcm->my_client_index;
- bmp->context = htonl (0xfeedface);
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
+ return VPPCOM_OK;
}
-static void
-vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
- mp)
+static int
+vppcom_session_unbind (u32 session_index)
{
- static svm_fifo_segment_create_args_t _a;
- svm_fifo_segment_create_args_t *a = &_a;
+ vcl_session_t *session = 0;
int rv;
+ u64 vpp_handle;
- memset (a, 0, sizeof (*a));
- if (mp->retval)
- {
- clib_warning ("[%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", getpid ());
- return;
- }
-
- a->segment_name = (char *) mp->segment_name;
- a->segment_size = mp->segment_size;
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
- ASSERT (mp->app_event_queue_address);
+ vpp_handle = session->vpp_handle;
+ vppcom_session_table_del_listener (vpp_handle);
+ session->vpp_handle = ~0;
+ session->session_state = STATE_DISCONNECT;
- /* Attach to the segment vpp created */
- rv = svm_fifo_segment_attach (a);
- vec_reset_length (a->new_segment_indices);
- if (PREDICT_FALSE (rv))
- {
- clib_warning ("[%d] svm_fifo_segment_attach ('%s') failed", getpid (),
- mp->segment_name);
- return;
- }
+ VCL_SESSION_UNLOCK ();
- vcm->app_event_queue =
- uword_to_pointer (mp->app_event_queue_address,
- unix_shared_memory_queue_t *);
+ VDBG (1, "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));
+ vcl_evt (VCL_EVT_UNBIND, session);
+ vppcom_send_unbind_sock (vpp_handle);
- vcm->app_state = STATE_APP_ATTACHED;
+done:
+ return rv;
}
-static void
-vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
- mp)
+static int
+vppcom_session_disconnect (u32 session_index)
{
- if (mp->retval)
- clib_warning ("[%d] detach failed: %U", getpid (), format_api_error,
- ntohl (mp->retval));
+ int rv;
+ vcl_session_t *session;
+ u64 vpp_handle;
+ session_state_t state;
- vcm->app_state = STATE_APP_ENABLED;
-}
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
-static void
-vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
- mp)
-{
- uword *p;
+ vpp_handle = session->vpp_handle;
+ state = session->session_state;
+ VCL_SESSION_UNLOCK ();
- p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
- if (p)
+ VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u state 0x%x (%s)", getpid (),
+ vpp_handle, session_index, state, vppcom_session_state_str (state));
+
+ if (PREDICT_FALSE (state & STATE_LISTEN))
{
- 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!",
- getpid (), p[0]);
- }
- hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
- session->state = STATE_DISCONNECT;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ 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;
+ }
+
+ /* 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 */ );
+ VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending disconnect "
+ "REPLY...", getpid (), vpp_handle, session_index);
}
+
+ /* Otherwise, send a disconnect session msg...
+ */
else
{
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] couldn't find session key %llx", getpid (),
- mp->handle);
+ VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending disconnect...",
+ getpid (), vpp_handle, session_index);
+
+ vppcom_send_disconnect_session (vpp_handle, session_index);
}
- if (mp->retval)
- clib_warning ("[%d] disconnect_session failed: %U", getpid (),
- format_api_error, ntohl (mp->retval));
+done:
+ return rv;
}
-static void
-vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
+/*
+ * VPPCOM Public API functions
+ */
+int
+vppcom_app_create (char *app_name)
{
- static svm_fifo_segment_create_args_t _a;
- svm_fifo_segment_create_args_t *a = &_a;
+ vppcom_cfg_t *vcl_cfg = &vcm->cfg;
+ u8 *heap;
+ mheap_t *h;
int rv;
- memset (a, 0, sizeof (*a));
- a->segment_name = (char *) mp->segment_name;
- a->segment_size = mp->segment_size;
- /* Attach to the segment vpp created */
- rv = svm_fifo_segment_attach (a);
- vec_reset_length (a->new_segment_indices);
- if (PREDICT_FALSE (rv))
+ if (!vcm->init)
{
- clib_warning ("[%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", getpid (),
- mp->segment_name, mp->segment_size);
-}
+ vcm->init = 1;
+ clib_spinlock_init (&vcm->session_fifo_lockp);
+ clib_fifo_validate (vcm->client_session_index_fifo,
+ vcm->cfg.listen_queue_size);
+ clib_spinlock_init (&vcm->sessions_lockp);
-static void
-vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
-{
- session_t *session = 0;
- vl_api_disconnect_session_reply_t *rmp;
- uword *p;
- int rv = 0;
+ vppcom_cfg (&vcm->cfg);
+
+ vcm->main_cpu = os_get_thread_index ();
+ heap = clib_mem_get_per_cpu_heap ();
+ h = mheap_header (heap);
+ /* make the main heap thread-safe */
+ h->flags |= MHEAP_FLAG_THREAD_SAFE;
+
+ vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
- p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
- if (p)
+ clib_time_init (&vcm->clib_time);
+ vppcom_init_error_string_table ();
+ svm_fifo_segment_main_init (vcl_cfg->segment_baseva,
+ 20 /* timeout in secs */ );
+ }
+
+ if (vcm->my_client_index == ~0)
{
- int rval;
- clib_spinlock_lock (&vcm->sessions_lockp);
- rval = vppcom_session_at_index (p[0], &session);
- if (PREDICT_FALSE (rval))
+ /* API hookup and connect to VPP */
+ vppcom_api_hookup ();
+ vcl_elog_init (vcm);
+ vcm->app_state = STATE_APP_START;
+ rv = vppcom_connect_to_vpp (app_name);
+ if (rv)
{
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), p[0]);
+ clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
+ getpid ());
+ return rv;
}
- 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", getpid (),
- mp->handle);
- rv = -11;
- }
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
+ /* State event handling thread */
- 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);
-}
+ rv = vce_start_event_thread (&(vcm->event_thread), 20);
-static void
-vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
-{
- session_t *session = 0;
- vl_api_reset_session_reply_t *rmp;
- uword *p;
- int rv = 0;
+ VDBG (0, "VCL<%d>: sending session enable", getpid ());
- 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))
+ rv = vppcom_app_session_enable ();
+ if (rv)
{
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), p[0]);
+ clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
+ "failed!", getpid ());
+ return rv;
}
- 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", getpid (),
- mp->handle);
- rv = -11;
- }
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
- rmp->retval = htonl (rv);
- rmp->handle = mp->handle;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
-}
-
-static void
-vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
-{
- session_t *session;
- 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", getpid (), format_api_error,
- ntohl (mp->retval));
- return;
- }
-
- session_index = mp->context;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session_index = %d 0x%08x", getpid (),
- 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!",
- getpid (), session_index);
- return;
- }
-
- /* We've been redirected */
- if (mp->segment_name_length > 0)
- {
- 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", getpid (),
- a->segment_name);
- rv = svm_fifo_segment_attach (a);
- vec_reset_length (a->new_segment_indices);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- clib_warning ("[%d] sm_fifo_segment_attach ('%s') failed",
- getpid (), a->segment_name);
- return;
- }
- }
-
- /*
- * Setup session
- */
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] client sid %d", getpid (), session_index);
-
- session = pool_elt_at_index (vcm->sessions, session_index);
- session->is_cut_thru = is_cut_thru;
- session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- unix_shared_memory_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->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);
-}
-
-static void
-vppcom_send_connect_sock (session_t * session, u32 session_index)
-{
- 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",
- getpid (), 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;
- cmp->proto = session->proto;
- clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
-}
-
-static inline void
-vppcom_send_disconnect (session_t * session)
-{
- vl_api_disconnect_session_t *dmp;
-
- /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
- 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;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
-}
-
-static void
-vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
-{
- session_t *session = 0;
- int rv;
-
- if (mp->retval)
- clib_warning ("[%d] bind failed: %U", getpid (), 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_spinlock_unlock (&vcm->sessions_lockp);
-}
-
-static void
-vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
-{
- 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", getpid (), format_api_error,
- ntohl (mp->retval));
-
- vcm->bind_session_index = ~0;
- session->state = STATE_START;
- }
- clib_spinlock_unlock (&vcm->sessions_lockp);
-}
-
-u8 *
-format_ip4_address (u8 * s, va_list * args)
-{
- u8 *a = va_arg (*args, u8 *);
- return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
-}
-
-u8 *
-format_ip6_address (u8 * s, va_list * args)
-{
- ip6_address_t *a = va_arg (*args, ip6_address_t *);
- u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
-
- i_max_n_zero = ARRAY_LEN (a->as_u16);
- max_n_zeros = 0;
- i_first_zero = i_max_n_zero;
- n_zeros = 0;
- for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
- {
- u32 is_zero = a->as_u16[i] == 0;
- if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
- {
- i_first_zero = i;
- n_zeros = 0;
- }
- n_zeros += is_zero;
- if ((!is_zero && n_zeros > max_n_zeros)
- || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
- {
- i_max_n_zero = i_first_zero;
- max_n_zeros = n_zeros;
- i_first_zero = ARRAY_LEN (a->as_u16);
- n_zeros = 0;
- }
- }
-
- last_double_colon = 0;
- for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
- {
- if (i == i_max_n_zero && max_n_zeros > 1)
- {
- s = format (s, "::");
- i += max_n_zeros - 1;
- last_double_colon = 1;
- }
- else
- {
- s = format (s, "%s%x",
- (last_double_colon || i == 0) ? "" : ":",
- clib_net_to_host_u16 (a->as_u16[i]));
- last_double_colon = 0;
- }
- }
-
- return s;
-}
-
-/* Format an IP46 address. */
-u8 *
-format_ip46_address (u8 * s, va_list * args)
-{
- ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
- ip46_type_t type = va_arg (*args, ip46_type_t);
- int is_ip4 = 1;
-
- switch (type)
- {
- case IP46_TYPE_ANY:
- is_ip4 = ip46_address_is_ip4 (ip46);
- break;
- case IP46_TYPE_IP4:
- is_ip4 = 1;
- break;
- case IP46_TYPE_IP6:
- is_ip4 = 0;
- break;
- }
-
- return is_ip4 ?
- format (s, "%U", format_ip4_address, &ip46->ip4) :
- format (s, "%U", format_ip6_address, &ip46->ip6);
-}
-
-static void
-vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
-{
- vl_api_accept_session_reply_t *rmp;
- svm_fifo_t *rx_fifo, *tx_fifo;
- session_t *session;
- u32 session_index;
- int rv = 0;
-
- if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
- {
- clib_warning ("[%d] client session queue is full!", getpid ());
- rv = VNET_API_ERROR_QUEUE_FULL;
- goto send_reply;
- }
-
- if (VPPCOM_DEBUG > 1)
- {
- u8 *ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
- clib_warning ("[%d] accepted session from: %s:%d", getpid (), ip_str,
- clib_net_to_host_u16 (mp->port));
- vec_free (ip_str);
- }
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- /* Allocate local session and set it up */
- pool_get (vcm->sessions, session);
- memset (session, 0, sizeof (*session));
- session_index = 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_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- unix_shared_memory_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));
-
- /* Add it to lookup table */
- hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
-
- clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
-
- /*
- * 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);
-}
-
-/*
- * 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;
- 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;
-
- 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!", getpid ());
- rv = VNET_API_ERROR_QUEUE_FULL;
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto send_reply;
- }
-
- /* Create the segment */
- memset (a, 0, sizeof (*a));
- a->segment_name = (char *) format ((u8 *) a->segment_name, "%d:segment%d%c",
- getpid (), 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",
- getpid (), a->segment_name);
- vec_reset_length (a->new_segment_indices);
- rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
- goto send_reply;
- }
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] created segment '%s'", getpid (), 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)",
- getpid (), 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;
- }
-
- 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))
- {
- svm_fifo_segment_delete (seg);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] tx fifo alloc failed, size %ld (0x%lx)",
- getpid (), 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),
- getpid (), 0 /* signal not sent */ );
- ssvm_pop_heap (oldheap);
- ssvm_unlock_non_recursive (sh);
- }
-
- session->state = STATE_ACCEPT;
- clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
- if (VPPCOM_DEBUG > 1)
- clib_warning
- ("[%d] Connected cut-thru to client: sid %d, clib_fifo_elts %u!",
- getpid (), session_index,
- clib_fifo_elts (vcm->client_session_index_fifo));
- clib_spinlock_unlock (&vcm->sessions_lockp);
-
-send_reply:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
-
- 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);
- }
- 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);
-}
-
-static void
-vppcom_send_bind_sock (session_t * session)
-{
- 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->is_ip4 = session->lcl_addr.is_ip4;
- clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
- bmp->port = session->lcl_port;
- bmp->proto = session->proto;
- clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
-}
-
-static void
-vppcom_send_unbind_sock (u32 session_index)
-{
- 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!",
- getpid (), 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);
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
-}
-
-static int
-vppcom_session_unbind_cut_thru (session_t * session)
-{
- svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
- svm_fifo_segment_private_t *seg;
- int rv = VPPCOM_OK;
-
- 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);
-
- return rv;
-}
-
-static int
-vppcom_session_unbind (u32 session_index)
-{
- int rv;
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- if (PREDICT_FALSE (pool_is_free_index (vcm->sessions, session_index)))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), session_index);
- return VPPCOM_EBADFD;
- }
- 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))
- {
- vcm->bind_session_index = ~0;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] server unbind timed out, rv = %s (%d)",
- getpid (), vppcom_retval_str (rv), rv);
- return rv;
- }
- return VPPCOM_OK;
-}
-
-static inline int
-vppcom_session_disconnect (u32 session_index)
-{
- int rv;
- session_t *session;
-
- 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!",
- getpid (), session_index);
- return rv;
- }
-
- if (!session->is_cut_thru)
- {
- vppcom_send_disconnect (session);
- clib_spinlock_unlock (&vcm->sessions_lockp);
-
- rv = vppcom_wait_for_session_state_change (session_index,
- STATE_DISCONNECT, 1.0);
- if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] disconnect (session %d) failed, rv = %s (%d)",
- getpid (), session_index, vppcom_retval_str (rv), rv);
- }
- else
- clib_spinlock_unlock (&vcm->sessions_lockp);
-
- return VPPCOM_OK;
-}
-
-#define foreach_sock_msg \
-_(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
-_(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)
-
-static void
-vppcom_api_hookup (void)
-{
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_sock_msg;
-#undef _
-}
-
-static void
-vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
-{
- ASSERT (vcl_cfg);
-
- vcl_cfg->heapsize = (256ULL << 20);
- vcl_cfg->segment_baseva = 0x200000000ULL;
- vcl_cfg->segment_size = (256 << 20);
- vcl_cfg->add_segment_size = (128 << 20);
- vcl_cfg->preallocated_fifo_pairs = 8;
- vcl_cfg->rx_fifo_size = (1 << 20);
- vcl_cfg->tx_fifo_size = (1 << 20);
- vcl_cfg->event_queue_size = 2048;
- vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
- vcl_cfg->app_timeout = 10 * 60.0;
- vcl_cfg->session_timeout = 10 * 60.0;
- vcl_cfg->accept_timeout = 60.0;
-}
-
-static void
-vppcom_cfg_heapsize (char *conf_fname)
-{
- vppcom_cfg_t *vcl_cfg = &vcm->cfg;
- FILE *fp;
- char inbuf[4096];
- int argc = 1;
- char **argv = NULL;
- char *arg = NULL;
- char *p;
- 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);
- goto defaulted;
- }
- argv = calloc (1, sizeof (char *));
- if (argv == NULL)
- goto defaulted;
-
- while (1)
- {
- if (fgets (inbuf, 4096, fp) == 0)
- break;
- p = strtok (inbuf, " \t\n");
- while (p != NULL)
- {
- if (*p == '#')
- break;
- argc++;
- char **tmp = realloc (argv, argc * sizeof (char *));
- if (tmp == NULL)
- goto defaulted;
- argv = tmp;
- arg = strndup (p, 1024);
- if (arg == NULL)
- goto defaulted;
- argv[argc - 1] = arg;
- p = strtok (NULL, " \t\n");
- }
- }
-
- fclose (fp);
- fp = NULL;
-
- char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
- if (tmp == NULL)
- goto defaulted;
- argv = tmp;
- argv[argc] = NULL;
-
- /*
- * Look for and parse the "heapsize" config parameter.
- * Manual since none of the clib infra has been bootstrapped yet.
- *
- * Format: heapsize <nn>[mM][gG]
- */
-
- for (i = 1; i < (argc - 1); i++)
- {
- if (!strncmp (argv[i], "heapsize", 8))
- {
- sizep = (u8 *) argv[i + 1];
- size = 0;
- while (*sizep >= '0' && *sizep <= '9')
- {
- size *= 10;
- size += *sizep++ - '0';
- }
- if (size == 0)
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] parse error '%s %s', "
- "using default heapsize %lld (0x%llx)",
- getpid (), argv[i], argv[i + 1],
- vcl_cfg->heapsize, vcl_cfg->heapsize);
- goto defaulted;
- }
-
- if (*sizep == 'g' || *sizep == 'G')
- vcl_cfg->heapsize = size << 30;
- else if (*sizep == 'm' || *sizep == 'M')
- vcl_cfg->heapsize = size << 20;
- else
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] parse error '%s %s', "
- "using default heapsize %lld (0x%llx)",
- getpid (), argv[i], argv[i + 1],
- vcl_cfg->heapsize, vcl_cfg->heapsize);
- goto defaulted;
- }
- }
- }
-
-defaulted:
- if (fp != NULL)
- fclose (fp);
- if (argv != NULL)
- free (argv);
-
- vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- if (vcl_mem <= 0)
- {
- clib_unix_error ("[%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);
- return;
- }
- heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
- if (!heap)
- {
- clib_warning ("[%d] ERROR: clib_mem_init() failed!", getpid ());
- return;
- }
- vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
- if (!vcl_mem)
- {
- clib_warning ("[%d] ERROR: clib_mem_alloc() failed!", getpid ());
- return;
- }
-
- clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
- vcm = vcl_mem;
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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_cfg_t *vcl_cfg = &vcm->cfg;
- int fd;
- unformat_input_t _input, *input = &_input;
- unformat_input_t _line_input, *line_input = &_line_input;
- u8 vc_cfg_input = 0;
- u8 *chroot_path;
- struct stat s;
- u32 uid, gid;
-
- fd = open (conf_fname, O_RDONLY);
- if (fd < 0)
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] open configuration file '%s' failed!",
- getpid (), conf_fname);
- goto file_done;
- }
-
- if (fstat (fd, &s) < 0)
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] failed to stat `%s'", 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'", getpid (), conf_fname);
- goto file_done;
- }
-
- unformat_init_clib_file (input, fd);
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- (void) unformat_user (input, unformat_line_input, line_input);
- unformat_skip_white_space (line_input);
-
- if (unformat (line_input, "vcl {"))
- {
- vc_cfg_input = 1;
- continue;
- }
-
- if (vc_cfg_input)
- {
- if (unformat (line_input, "heapsize %s", &chroot_path))
- {
- vec_terminate_c_string (chroot_path);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured heapsize %s, "
- "actual heapsize %lld (0x%llx)",
- 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);
- vl_set_memory_root_path ((char *) chroot_path);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured api-prefix %s",
- getpid (), chroot_path);
- chroot_path = 0; /* Don't vec_free() it! */
- }
- else if (unformat (line_input, "uid %d", &uid))
- {
- vl_set_memory_uid (uid);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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", 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",
- 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)",
- 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)",
- getpid (), vcl_cfg->segment_size,
- vcl_cfg->segment_size);
- }
- else if (unformat (line_input, "add-segment-size 0x%lx",
- &vcl_cfg->add_segment_size))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning
- ("[%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",
- &vcl_cfg->add_segment_size))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning
- ("[%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)", getpid (),
- vcl_cfg->preallocated_fifo_pairs,
- vcl_cfg->preallocated_fifo_pairs);
- }
- else if (unformat (line_input, "rx-fifo-size 0x%lx",
- &vcl_cfg->rx_fifo_size))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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)",
- 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)",
- 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)",
- 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)",
- 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)",
- 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)",
- 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)",
- 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",
- 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",
- 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",
- getpid (), vcl_cfg->accept_timeout);
- }
- else if (unformat (line_input, "app-proxy-transport-tcp"))
- {
- vcl_cfg->app_proxy_transport_tcp = 1;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured app_proxy_transport_tcp (%d)",
- getpid (), vcl_cfg->app_proxy_transport_tcp);
- }
- else if (unformat (line_input, "app-proxy-transport-udp"))
- {
- vcl_cfg->app_proxy_transport_udp = 1;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured app_proxy_transport_udp (%d)",
- getpid (), vcl_cfg->app_proxy_transport_udp);
- }
- else if (unformat (line_input, "app-scope-local"))
- {
- vcl_cfg->app_scope_local = 1;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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 ("[%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)",
- getpid (), vcl_cfg->namespace_secret,
- vcl_cfg->namespace_secret);
- }
- else if (unformat (line_input, "namespace-id %v",
- &vcl_cfg->namespace_id))
- {
- vl_api_application_attach_t *mp;
- u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1;
- u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id);
- if (nsid_vec_len > max_nsid_vec_len)
- {
- _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!", getpid (),
- max_nsid_vec_len);
- }
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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!",
- getpid ());
- goto input_done;
- }
- else
- {
- if (line_input->buffer[line_input->index] != '#')
- {
- clib_warning ("[%d] Unknown vppcom config option: '%s'",
- getpid (), (char *)
- &line_input->buffer[line_input->index]);
- }
- }
- }
- }
-
-input_done:
- unformat_free (input);
-
-file_done:
- if (fd >= 0)
- close (fd);
-}
-
-/*
- * VPPCOM Public API functions
- */
-int
-vppcom_app_create (char *app_name)
-{
- vppcom_cfg_t *vcl_cfg = &vcm->cfg;
- u8 *heap;
- mheap_t *h;
- int rv;
-
- if (!vcm->init)
- {
- char *conf_fname;
- char *env_var_str;
-
- vcm->init = 1;
- 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 ("[%d] Invalid debug level specified in "
- "the environment variable "
- VPPCOM_ENV_DEBUG
- " (%s)!\n", getpid (), env_var_str);
- else
- {
- vcm->debug = tmp;
- clib_warning ("[%d] configured debug level (%u) from "
- VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
- }
- }
- conf_fname = getenv (VPPCOM_ENV_CONF);
- if (!conf_fname)
- {
- conf_fname = VPPCOM_CONF_DEFAULT;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] getenv '%s' failed!", getpid (),
- VPPCOM_ENV_CONF);
- }
- vppcom_cfg_heapsize (conf_fname);
- clib_fifo_validate (vcm->client_session_index_fifo,
- vcm->cfg.listen_queue_size);
- vppcom_cfg_read (conf_fname);
- env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
- if (env_var_str)
- {
- u32 ns_id_vec_len = strlen (env_var_str);
-
- vec_reset_length (vcm->cfg.namespace_id);
- vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
- 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 "!", 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 "
- VPPCOM_ENV_APP_NAMESPACE_SECRET
- " (%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 "!", getpid (),
- vcm->cfg.namespace_secret);
- }
- }
- if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
- {
- vcm->cfg.app_proxy_transport_tcp = 1;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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 ("[%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.app_scope_local = 1;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] configured app_scope_local (%u) from "
- VPPCOM_ENV_APP_SCOPE_LOCAL "!", getpid (),
- vcm->cfg.app_scope_local);
- }
- if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
- {
- vcm->cfg.app_scope_global = 1;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%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);
-
- /* make the main heap thread-safe */
- h->flags |= MHEAP_FLAG_THREAD_SAFE;
-
- vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
-
- clib_time_init (&vcm->clib_time);
- vppcom_init_error_string_table ();
- svm_fifo_segment_init (vcl_cfg->segment_baseva,
- 20 /* timeout in secs */ );
- clib_spinlock_init (&vcm->sessions_lockp);
- vppcom_api_hookup ();
- }
-
- if (vcm->my_client_index == ~0)
- {
- vcm->app_state = STATE_APP_START;
- rv = vppcom_connect_to_vpp (app_name);
- if (rv)
- {
- clib_warning ("[%d] couldn't connect to VPP.", getpid ());
- return rv;
- }
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sending session enable", getpid ());
-
- rv = vppcom_app_session_enable ();
- if (rv)
- {
- clib_warning ("[%d] vppcom_app_session_enable() failed!",
- getpid ());
- return rv;
- }
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sending app attach", getpid ());
+ VDBG (0, "VCL<%d>: sending app attach", getpid ());
rv = vppcom_app_attach ();
if (rv)
{
- clib_warning ("[%d] vppcom_app_attach() failed!", getpid ());
+ 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)",
- getpid (), app_name, vcm->my_client_index,
- vcm->my_client_index);
+ VDBG (0, "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;
vppcom_app_destroy (void)
{
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)",
- getpid (), vcm->my_client_index, vcm->my_client_index);
+ VDBG (0, "VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
+ getpid (), vcm->my_client_index, vcm->my_client_index);
+ vcl_evt (VCL_EVT_DETACH, vcm);
- vppcom_app_detach ();
+ vppcom_app_send_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)",
- getpid (), vppcom_retval_str (rv), rv);
- }
+ VDBG (0, "VCL<%d>: application detach timed out! returning %d (%s)",
+ getpid (), rv, vppcom_retval_str (rv));
+
+ vcl_elog_stop (vcm);
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)
{
- session_t *session;
+ vcl_session_t *session;
u32 session_index;
- 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);
+ session->session_type = proto;
+ session->session_state = STATE_START;
+ session->vpp_handle = ~0;
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d", getpid (), session_index);
+ if (is_nonblocking)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ else
+ VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
+
+ vcl_evt (VCL_EVT_CREATE, session, session_type, session->session_state,
+ is_nonblocking, session_index);
+
+ VCL_SESSION_UNLOCK ();
+
+ VDBG (0, "VCL<%d>: sid %u", getpid (), session_index);
return (int) session_index;
}
int
vppcom_session_close (uint32_t session_index)
{
- session_t *session = 0;
+ vcl_session_t *session = 0;
int rv;
- u8 is_server;
- u8 is_listen;
- u8 is_cut_thru;
u8 is_vep;
u8 is_vep_session;
u32 next_sid;
u32 vep_idx;
+ u64 vpp_handle;
+ uword *p;
session_state_t state;
- 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!",
- getpid (), session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto done;
- }
- is_server = session->is_server;
- is_listen = session->is_listen;
- is_cut_thru = session->is_cut_thru;
+ 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;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ state = session->session_state;
+ vpp_handle = session->vpp_handle;
+ VCL_SESSION_UNLOCK ();
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d", getpid (), session_index);
+ {
+ 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)", getpid (), vep_idx, next_sid,
- vppcom_retval_str (rv), rv);
+ if (PREDICT_FALSE (rv < 0))
+ VDBG (0, "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!",
- getpid (), session_index);
- clib_spinlock_unlock (&vcm->sessions_lockp);
- goto done;
- }
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
next_sid = session->vep.next_sid;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
}
}
else
if (is_vep_session)
{
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)", getpid (), vep_idx, session_index,
- vppcom_retval_str (rv), rv);
+ if (rv < 0)
+ VDBG (0, "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));
}
- if (is_cut_thru && is_server && (state == STATE_ACCEPT))
+ if (state & STATE_LISTEN)
{
- 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)",
- getpid (), session_index,
- vppcom_retval_str (rv), rv);
+ rv = vppcom_session_unbind (session_index);
+ if (PREDICT_FALSE (rv < 0))
+ VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: listener unbind "
+ "failed! rv %d (%s)",
+ getpid (), vpp_handle, session_index,
+ rv, vppcom_retval_str (rv));
}
- else if (is_server && is_listen)
+
+ else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
{
- rv = vppcom_session_unbind (session_index);
- if ((VPPCOM_DEBUG > 0) && (rv < 0))
- clib_warning ("[%d] unbind (session %d) failed, rv = %s (%d)",
- getpid (), session_index,
- vppcom_retval_str (rv), rv);
+ rv = vppcom_session_disconnect (session_index);
+ 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));
}
- else if (state == STATE_CONNECT)
- if (vppcom_session_disconnect (session_index))
- goto done;
}
- clib_spinlock_lock (&vcm->sessions_lockp);
+
+ 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);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+
+ 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:
+
+ vcl_evt (VCL_EVT_CLOSE, session, rv);
+
return rv;
}
int
vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
{
- session_t *session = 0;
+ vcl_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!",
- getpid (), 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!",
- getpid (), 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",
- getpid (), session_index, format_ip46_address,
- &session->lcl_addr.ip46, session->lcl_addr.is_ip4,
- clib_net_to_host_u16 (session->lcl_port));
-
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return VPPCOM_OK;
+ session->transport.is_ip4 = ep->is_ip4;
+ session->transport.lcl_ip = to_ip46 (ep->is_ip4 ? IP46_TYPE_IP4 :
+ IP46_TYPE_IP6, ep->ip);
+ session->transport.lcl_port = ep->port;
+
+ VDBG (0, "VCL<%d>: sid %u: binding to local %s address %U port %u, "
+ "proto %s", getpid (), session_index,
+ session->transport.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address, &session->transport.lcl_ip,
+ session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (session->transport.lcl_port),
+ session->session_type ? "UDP" : "TCP");
+ vcl_evt (VCL_EVT_BIND, session);
+ VCL_SESSION_UNLOCK ();
+done:
+ return rv;
}
int
-vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
-{
- session_t *listen_session = 0;
- int rv;
-
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (listen_session_index, &listen_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!",
- getpid (), listen_session_index);
- return rv;
- }
+vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
+{
+ vcl_session_t *listen_session = 0;
+ u64 listen_vpp_handle;
+ int rv, retval;
+
+ 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) is an epoll session!",
- getpid (), listen_session_index);
- return VPPCOM_EBADFD;
+ 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_listen)
+ listen_vpp_handle = listen_session->vpp_handle;
+ if (listen_session->session_state & STATE_LISTEN)
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) is already in listen state!",
- getpid (), listen_session_index);
- return VPPCOM_OK;
+ VCL_SESSION_UNLOCK ();
+ VDBG (0, "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", getpid (), listen_session_index);
+ VDBG (0, "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)",
- getpid (), vppcom_retval_str (rv), rv);
- return rv;
+ VDBG (0, "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_ (vcl_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!",
- getpid (), 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->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->session_state,
+ vppcom_session_state_str (listen_session->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)
{
- session_t *listen_session = 0;
- session_t *client_session = 0;
- u32 client_session_index;
+ vcl_session_t *listen_session = 0;
+ vcl_session_t *client_session = 0;
+ 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))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), listen_session_index);
- return 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)
+ {
+ 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!",
- getpid (), 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 ();
+
+ VCL_SESSION_LOCK ();
- if (listen_session->state != STATE_LISTEN)
+ 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",
- getpid (),
- 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 (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d: %s (%d)", getpid (),
- listen_session_index,
- vppcom_session_state_str (listen_session->state),
- listen_session->state);
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ 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);
- while (1)
+ VDBG (0, "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));
+
+ 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)",
- getpid (), listen_session_index,
- vppcom_retval_str (rv), rv);
- if ((wait_for == 0) || (wait_for_time > 0))
- return rv;
- }
+ ep->is_ip4 = client_session->transport.is_ip4;
+ ep->port = client_session->transport.rmt_port;
+ if (client_session->transport.is_ip4)
+ clib_memcpy (ep->ip, &client_session->transport.rmt_ip.ip4,
+ sizeof (ip4_address_t));
else
- break;
+ clib_memcpy (ep->ip, &client_session->transport.rmt_ip.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 */ );
+
+ VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle 0x%llx,"
+ " sid %u connection from peer %s address %U port %u to local %s address"
+ " %U port %u",
+ getpid (), listen_vpp_handle,
+ listen_session_index, client_session->vpp_handle,
+ client_session_index,
+ client_session->transport.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address, &client_session->transport.rmt_ip,
+ client_session->transport.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (client_session->transport.rmt_port),
+ client_session->transport.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address, &client_session->transport.lcl_ip,
+ client_session->transport.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (client_session->transport.lcl_port));
+ vcl_evt (VCL_EVT_ACCEPT, client_session, listen_session,
+ client_session_index);
+ 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);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] Got a request: client sid %d", getpid (),
- 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));
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d, accepted peer address %U peer port %u",
- getpid (), 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;
+done:
+ return rv;
}
int
vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
{
- session_t *session = 0;
- int rv;
+ vcl_session_t *session = 0;
+ 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!",
- getpid (), 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!",
- getpid (), 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->session_state & CLIENT_STATE_OPEN))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] session, sid (%u) already connected!",
- getpid (), session_index);
- return VPPCOM_OK;
- }
-
- 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;
+ VDBG (0, "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->transport.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address,
+ &session->transport.rmt_ip, session->transport.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (session->transport.rmt_port),
+ session->session_type ? "UDP" : "TCP", session->session_state,
+ vppcom_session_state_str (session->session_state));
- 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",
- getpid (), session_index, ip_str,
- clib_net_to_host_u16 (session->peer_port),
- session->proto ? "UDP" : "TCP");
- vec_free (ip_str);
+ VCL_SESSION_UNLOCK ();
+ goto done;
}
+ session->transport.is_ip4 = server_ep->is_ip4;
+ if (session->transport.is_ip4)
+ clib_memcpy (&session->transport.rmt_ip.ip4, server_ep->ip,
+ sizeof (ip4_address_t));
+ else
+ clib_memcpy (&session->transport.rmt_ip.ip6, server_ep->ip,
+ sizeof (ip6_address_t));
+ session->transport.rmt_port = server_ep->port;
+
+ VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server %s %U "
+ "port %d proto %s",
+ getpid (), session->vpp_handle, session_index,
+ session->transport.is_ip4 ? "IPv4" : "IPv6",
+ format_ip46_address,
+ &session->transport.rmt_ip, session->transport.is_ip4 ?
+ IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (session->transport.rmt_port),
+ session->session_type ? "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)",
- getpid (), 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!", getpid (), session_index);
+ else
+ VDBG (0, "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)
{
- session_t *session = 0;
+ vcl_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!",
- getpid (), 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->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!",
- getpid (), 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);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- getpid (), session_index);
- return VPPCOM_ECONNRESET;
+ VCL_SESSION_UNLOCK ();
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
+
+ VDBG (0, "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;
+
+ VDBG (1, "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->session_state = STATE_DISCONNECT;
+ }
+ else
+ rv = VPPCOM_EAGAIN;
- if ((VPPCOM_DEBUG > 2) && (n_read > 0))
- clib_warning ("[%d] sid %d, read %d bytes from %s (%p)", getpid (),
- session_index, n_read, fifo_str, rx_fifo);
+ 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_session_read_ready (vcl_session_t * session, u32 session_index)
{
- svm_fifo_t *rx_fifo = 0;
int ready = 0;
+ u32 poll_et;
+ int rv;
+ session_state_t state = session->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!",
- getpid (), 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->session_state & STATE_LISTEN)
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- getpid (), 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);
+
+ VDBG (1, "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 (session->rx_fifo);
+ }
+
+ if (ready == 0)
+ {
+ poll_et =
+ ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
+ if (poll_et)
+ session->vep.et_mask |= EPOLLIN;
- ready = svm_fifo_max_dequeue (rx_fifo);
+ if (state & STATE_CLOSE_ON_EMPTY)
+ {
+ rv = VPPCOM_ECONNRESET;
+
+ VDBG (1, "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->session_state = STATE_DISCONNECT;
+ goto done;
+ }
}
+ rv = ready;
- if (VPPCOM_DEBUG > 3)
- clib_warning ("[%d] sid %d, is_listen %u, peek %s (%p), ready = %d",
- getpid (), session_index, session->is_listen,
- 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;
-
- return ready;
+ if (!svm_msg_q_is_empty (vcm->app_event_queue) &&
+ !pthread_mutex_trylock (&vcm->app_event_queue->q->mutex))
+ {
+ u32 i, n_to_dequeue = vcm->app_event_queue->q->cursize;
+ svm_msg_q_msg_t msg;
+
+ for (i = 0; i < n_to_dequeue; i++)
+ {
+ svm_queue_sub_raw (vcm->app_event_queue->q, (u8 *) & msg);
+ svm_msg_q_free_msg (vcm->app_event_queue, &msg);
+ }
+
+ pthread_mutex_unlock (&vcm->app_event_queue->q->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)
{
- session_t *session = 0;
- svm_fifo_t *tx_fifo;
- unix_shared_memory_queue_t *q;
- session_fifo_event_t evt;
- int rv, n_write;
- char *fifo_str;
+ vcl_session_t *session = 0;
+ svm_fifo_t *tx_fifo = 0;
+ svm_msg_q_t *mq;
+ 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))
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+
+ tx_fifo = session->tx_fifo;
+ is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ vpp_handle = session->vpp_handle;
+ state = session->session_state;
+
+ if (PREDICT_FALSE (session->is_vep))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), session_index);
- return rv;
+ 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;
}
- if (session->is_vep)
+ if (!(session->session_state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) is an epoll session!",
- getpid (), session_index);
- return VPPCOM_EBADFD;
+ rv =
+ ((session->session_state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
+ VPPCOM_ENOTCONN);
+
+ VCL_SESSION_UNLOCK ();
+ VDBG (1, "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;
}
- if (session->state == STATE_DISCONNECT)
+ VCL_SESSION_UNLOCK ();
+
+ do
{
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- getpid (), session_index);
- return VPPCOM_ECONNRESET;
+ n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
}
+ while (!is_nonblocking && (n_write <= 0));
- 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 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. */
- do
+ if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
{
- n_write = svm_fifo_enqueue_nowait (tx_fifo, n, buf);
+ /* Send TX event to vpp */
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ mq = session->vpp_evt_q;
+ ASSERT (mq);
+ app_send_io_evt_to_vpp (mq, tx_fifo, FIFO_EVENT_APP_TX, SVM_Q_WAIT);
+ VCL_SESSION_UNLOCK ();
+ VDBG (1, "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, mq, n_write);
}
- while (!session->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))
+ if (n_write <= 0)
{
- int rval;
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_APP_TX;
+ poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLOUT));
+ if (poll_et)
+ session->vep.et_mask |= EPOLLOUT;
- rval = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rval))
+ if (session->session_state & STATE_CLOSE_ON_EMPTY)
{
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), session_index);
- return rval;
+ rv = VPPCOM_ECONNRESET;
+
+ VDBG (1, "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->session_state,
+ vppcom_session_state_str (session->session_state),
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT), rv,
+ vppcom_retval_str (rv));
+
+ session->session_state = STATE_DISCONNECT;
}
- ASSERT (q);
- unix_shared_memory_queue_add (q, (u8 *) & evt,
- 0 /* do wait for mutex */ );
- }
+ else
+ rv = VPPCOM_EAGAIN;
- if (poll_et && (n_write <= 0))
- {
- clib_spinlock_lock (&vcm->sessions_lockp);
- session->vep.et_mask |= EPOLLOUT;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
}
+ else
+ rv = n_write;
if (VPPCOM_DEBUG > 2)
{
- if (n_write == -2)
- clib_warning ("[%d] sid %d, FIFO-FULL %s (%p)", getpid (),
- 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)", getpid (),
- 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_session_write_ready (vcl_session_t * session, u32 session_index)
{
- 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!",
- getpid (), 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->session_state & STATE_LISTEN))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid (%u) has been closed by remote peer!",
- getpid (), 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->session_state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
+ {
+ session_state_t state = session->session_state;
- ready = svm_fifo_max_enqueue (tx_fifo);
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
- if (VPPCOM_DEBUG > 3)
- clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", getpid (),
- session_index, fifo_str, tx_fifo, ready);
- if ((session->vep.ev.events & EPOLLET) && (ready == 0))
- session->vep.et_mask |= EPOLLOUT;
+ 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 (session->tx_fifo);
+
+ VDBG (3, "VCL<%d>: vpp handle 0x%llx, sid %u: peek %s (%p), ready = %d",
+ getpid (), session->vpp_handle, session_index, session->tx_fifo,
+ ready);
- return ready;
+ if (ready == 0)
+ {
+ poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLOUT));
+ if (poll_et)
+ session->vep.et_mask |= EPOLLOUT;
+
+ if (session->session_state & STATE_CLOSE_ON_EMPTY)
+ {
+ rv = VPPCOM_ECONNRESET;
+
+ VDBG (1, "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->session_state,
+ vppcom_session_state_str (session->session_state),
+ STATE_DISCONNECT,
+ vppcom_session_state_str (STATE_DISCONNECT), rv,
+ vppcom_retval_str (rv));
+ session->session_state = STATE_DISCONNECT;
+ goto done;
+ }
+ }
+ rv = ready;
+done:
+ return rv;
}
int
double time_to_wait)
{
u32 session_index;
- session_t *session = 0;
+ vcl_session_t *session = 0;
int rv, bits_set = 0;
f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
u32 minbits = clib_max (n_bits, BITS (uword));
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);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session %d specified in "
- "read_map is closed.", getpid (),
+ VCL_SESSION_UNLOCK();
+ VDBG (1, "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->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);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] session %d specified in "
+ VCL_SESSION_UNLOCK();
+ VDBG (0, "VCL<%d>: session %d specified in "
"write_map is closed.", getpid (),
session_index);
bits_set = VPPCOM_EBADFD;
}
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);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session %d specified in "
- "except_map is closed.", getpid (),
+ VCL_SESSION_UNLOCK();
+ VDBG (1, "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);
static inline void
vep_verify_epoll_chain (u32 vep_idx)
{
- session_t *session;
+ vcl_session_t *session;
vppcom_epoll_t *vep;
int rv;
u32 sid = vep_idx;
rv = vppcom_session_at_index (vep_idx, &session);
if (PREDICT_FALSE (rv))
{
- clib_warning ("[%d] ERROR: Invalid vep_idx (%u)!", getpid (), vep_idx);
+ clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
+ getpid (), vep_idx);
goto done;
}
if (PREDICT_FALSE (!session->is_vep))
{
- clib_warning ("[%d] ERROR: vep_idx (%u) is not a vep!", getpid (),
- vep_idx);
+ clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
+ getpid (), vep_idx);
goto done;
}
- clib_warning ("[%d] vep_idx (%u): Dumping epoll chain\n"
+ 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,
+ "}\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);
- do
+
+ 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 (sid != ~0)
+ 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)
{
- rv = vppcom_session_at_index (sid, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_warning ("[%d] ERROR: Invalid sid (%u)!", getpid (), sid);
- goto done;
- }
- if (PREDICT_FALSE (session->is_vep))
- clib_warning ("[%d] ERROR: sid (%u) is a vep!",
- getpid (), vep_idx);
- else if (PREDICT_FALSE (!session->is_vep_session))
- {
- clib_warning ("[%d] ERROR: session (%u) is not a vep session!",
- getpid (), sid);
- goto done;
- }
- if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
- clib_warning ("[%d] ERROR: session (%u) vep_idx (%u) != "
- "vep_idx (%u)!", getpid (),
- sid, session->vep.vep_idx, vep_idx);
- if (session->is_vep_session)
- {
- 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);
- }
+ 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:
- clib_warning ("[%d] vep_idx (%u): Dump complete!\n", getpid (), vep_idx);
+ clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
+ getpid (), vep_idx);
}
int
vppcom_epoll_create (void)
{
- session_t *vep_session;
+ vcl_session_t *vep_session;
u32 vep_idx;
- 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)
- clib_warning ("[%d] Created vep_idx %u!", getpid (), vep_idx);
+ vcl_evt (VCL_EVT_EPOLL_CREATE, vep_session, vep_idx);
+ VCL_SESSION_UNLOCK ();
+
+ VDBG (0, "VCL<%d>: Created vep_idx %u / sid %u!",
+ getpid (), vep_idx, vep_idx);
return (vep_idx);
}
vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
struct epoll_event *event)
{
- session_t *vep_session;
- session_t *session;
+ vcl_session_t *vep_session;
+ vcl_session_t *session;
int rv;
if (vep_idx == session_index)
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: vep_idx == session_index (%u)!",
- getpid (), 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 ("[%d] 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 ("[%d] ERROR: vep_idx (%u) is not a vep!",
- getpid (), vep_idx);
+ clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
+ getpid (), vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
rv = vppcom_session_at_index (session_index, &session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: Invalid session_index (%u)!",
- getpid (), session_index);
+ VDBG (0, "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 ("[%d] ERROR: EPOLL_CTL_ADD: NULL pointer to "
+ clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
"epoll_event structure!", getpid ());
rv = VPPCOM_EINVAL;
goto done;
}
if (vep_session->vep.next_sid != ~0)
{
- session_t *next_session;
+ vcl_session_t *next_session;
rv = vppcom_session_at_index (vep_session->vep.next_sid,
&next_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: EPOLL_CTL_ADD: Invalid "
- "vep.next_sid (%u) on vep_idx (%u)!",
- getpid (), 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;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%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);
+
+ /* VCL Event Register handler */
+ if (session->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 */ );
+ }
+ VDBG (1, "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);
+ vcl_evt (VCL_EVT_EPOLL_CTLADD, session, event->events, event->data.u64);
break;
case EPOLL_CTL_MOD:
if (PREDICT_FALSE (!event))
{
- clib_warning ("[%d] ERROR: EPOLL_CTL_MOD: NULL pointer to "
+ 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 ("[%d] ERROR: EPOLL_CTL_MOD: session (%u) "
- "is not a vep session!",
- getpid (), session_index);
- else
- clib_warning ("[%d] ERROR: EPOLL_CTL_MOD: session (%u) "
- "vep_idx (%u) != vep_idx (%u)!",
- getpid (), 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 ("[%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);
+ VDBG (1, "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))
+ {
+ 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))
{
- if (VPPCOM_DEBUG > 0)
- {
- if (!session->is_vep_session)
- clib_warning ("[%d] ERROR: EPOLL_CTL_DEL: session (%u) "
- "is not a vep session!",
- getpid (), session_index);
- else
- clib_warning ("[%d] ERROR: EPOLL_CTL_DEL: session (%u) "
- "vep_idx (%u) != vep_idx (%u)!",
- getpid (), session_index,
- 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->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;
vep_session->vep.next_sid = session->vep.next_sid;
else
{
- session_t *prev_session;
+ vcl_session_t *prev_session;
rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: EPOLL_CTL_DEL: Invalid "
- "vep.prev_sid (%u) on sid (%u)!",
- getpid (), 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);
}
if (session->vep.next_sid != ~0)
{
- session_t *next_session;
+ vcl_session_t *next_session;
rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
if (PREDICT_FALSE (rv))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: EPOLL_CTL_DEL: Invalid "
- "vep.next_sid (%u) on sid (%u)!",
- getpid (), 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.prev_sid = ~0;
session->vep.vep_idx = ~0;
session->is_vep_session = 0;
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] EPOLL_CTL_DEL: vep_idx %u, sid %u!",
- getpid (), vep_idx, session_index);
+ VDBG (1, "VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
+ getpid (), vep_idx, session_index);
+ vcl_evt (VCL_EVT_EPOLL_CTLDEL, session, vep_idx);
break;
default:
- clib_warning ("[%d] ERROR: Invalid operation (%d)!", getpid (), 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 { \
- 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 ("[%s] ERROR: Invalid ##I (%u)!", \
- getpid (), I); \
- \
- goto done; \
- } \
-} while (0)
-
int
vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
int maxevents, double wait_for_time)
{
- session_t *vep_session;
+ vcl_session_t *vep_session;
int rv;
f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
u32 keep_trying = 1;
if (PREDICT_FALSE (maxevents <= 0))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: Invalid maxevents (%d)!",
- getpid (), maxevents);
+ 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);
+ VCL_SESSION_UNLOCK ();
if (PREDICT_FALSE (!is_vep))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: vep_idx (%u) is not a vep!",
- getpid (), 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 (vep_next_sid == ~0))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] WARNING: vep_idx (%u) is empty!",
- getpid (), vep_idx);
+ VDBG (1, "VCL<%d>: WARNING: vep_idx (%u) is empty!",
+ getpid (), vep_idx);
goto done;
}
{
u32 sid;
u32 next_sid = ~0;
- session_t *session;
+ vcl_session_t *session;
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);
+
+ VCL_SESSION_UNLOCK ();
if (PREDICT_FALSE (is_vep))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: sid (%u) is a vep!",
- getpid (), vep_idx);
+ VDBG (0, "VCL<%d>: ERROR: sid (%u) is a vep!",
+ getpid (), vep_idx);
rv = VPPCOM_EINVAL;
goto done;
}
if (PREDICT_FALSE (!is_vep_session))
{
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] ERROR: session (%u) is not "
- "a vep session!", getpid (), sid);
+ VDBG (0, "VCL<%d>: ERROR: session (%u) is not "
+ "a vep session!", getpid (), sid);
rv = VPPCOM_EINVAL;
goto done;
}
if (PREDICT_FALSE (session_vep_idx != vep_idx))
{
- clib_warning ("[%d] ERROR: session (%u) "
+ clib_warning ("VCL<%d>: ERROR: session (%u) "
"vep_idx (%u) != vep_idx (%u)!",
- getpid (), 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;
}
}
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)
{
- session_t *session;
+ vcl_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 > 1)
- clib_warning ("[%d] VPPCOM_ATTR_GET_NREAD: nread = %d",
- getpid (), rv);
-
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
+ getpid (), rv);
break;
- case VPPCOM_ATTR_PEEK_NREAD:
- /* TBD */
+ case VPPCOM_ATTR_GET_NWRITE:
+ rv = vppcom_session_write_ready (session, session_index);
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
+ getpid (), session_index, rv);
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 > 1)
- clib_warning ("[%d] VPPCOM_ATTR_GET_FLAGS: flags = 0x%08x, "
- "is_nonblocking = %u", getpid (), *flags,
- session->is_nonblocking);
+ VDBG (2, "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));
}
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 (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] VPPCOM_ATTR_SET_FLAGS: flags = 0x%08x, "
- "is_nonblocking = %u", getpid (), *flags,
- session->is_nonblocking);
+ 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);
+
+ VDBG (2, "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));
}
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.ip4,
+ ep->is_ip4 = session->transport.is_ip4;
+ ep->port = session->transport.rmt_port;
+ if (session->transport.is_ip4)
+ clib_memcpy (ep->ip, &session->transport.rmt_ip.ip4,
sizeof (ip4_address_t));
else
- clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
+ clib_memcpy (ep->ip, &session->transport.rmt_ip.ip6,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%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,
- clib_net_to_host_u16 (ep->port));
+ VDBG (1, "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->transport.rmt_ip,
+ ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (ep->port));
}
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.ip4,
+ ep->is_ip4 = session->transport.is_ip4;
+ ep->port = session->transport.lcl_port;
+ if (session->transport.is_ip4)
+ clib_memcpy (ep->ip, &session->transport.lcl_ip.ip4,
sizeof (ip4_address_t));
else
- clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
+ clib_memcpy (ep->ip, &session->transport.lcl_ip.ip6,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
- if (VPPCOM_DEBUG > 1)
- clib_warning ("[%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,
- clib_net_to_host_u16 (ep->port));
+ VDBG (1, "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->transport.lcl_ip,
+ ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (ep->port));
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_LIBC_EPFD:
+ rv = session->libc_epfd;
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
+ getpid (), rv);
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
+ "buflen %d", getpid (), session->libc_epfd, *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_PROTOCOL:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ *(int *) buffer = session->session_type;
+ *buflen = sizeof (int);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), buflen %d",
+ getpid (), *(int *) buffer, *(int *) buffer ? "UDP" : "TCP",
+ *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, buflen %d",
+ getpid (), *(int *) buffer, *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_ERROR:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ *(int *) buffer = 0;
+ *buflen = sizeof (int);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, buflen %d, #VPP-TBD#",
+ getpid (), *(int *) buffer, *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ *(size_t *) buffer, *(size_t *) buffer, *buflen);
+ }
+ 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;
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ session->sndbuf_size, session->sndbuf_size, *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ *(size_t *) buffer, *(size_t *) buffer, *buflen);
+ }
+ 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;
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
+ "buflen %d, #VPP-TBD#", getpid (),
+ session->sndbuf_size, session->sndbuf_size, *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
+ "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
}
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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, buflen %d,"
+ " #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEADDR), *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, buflen %d,"
+ " #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, buflen %d,"
+ " #VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_REUSEPORT), *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, buflen %d,"
+ " #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, buflen %d, "
+ "#VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_BROADCAST), *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, buflen %d, "
+ "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, buflen %d, "
+ "#VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_V6ONLY), *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, buflen %d, "
+ "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, buflen %d, "
+ "#VPP-TBD#", getpid (),
+ VCL_SESS_ATTR_TEST (session->attr,
+ VCL_SESS_ATTR_KEEPALIVE), *buflen);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, buflen %d, "
+ "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "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);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, buflen %d, "
+ "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "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);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, buflen %d, "
+ "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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);
+
+ VDBG (2, "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);
+ }
+ 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);
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d,"
+ " #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ }
+ 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;
+
+ VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d, "
+ "#VPP-TBD#", getpid (), session->user_mss, *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
break;
default:
}
done:
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ VCL_SESSION_UNLOCK ();
return rv;
}
uint32_t buflen, int flags, vppcom_endpt_t * ep)
{
int rv = VPPCOM_OK;
- session_t *session = 0;
+ vcl_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);
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), session_index);
+ VCL_SESSION_UNLOCK ();
+ VDBG (0, "VCL<%d>: invalid session, sid (%u) has been closed!",
+ getpid (), session_index);
rv = VPPCOM_EBADFD;
- clib_spinlock_unlock (&vcm->sessions_lockp);
+ 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)
- clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
+ ep->is_ip4 = session->transport.is_ip4;
+ ep->port = session->transport.rmt_port;
+ if (session->transport.is_ip4)
+ clib_memcpy (ep->ip, &session->transport.rmt_ip.ip4,
sizeof (ip4_address_t));
else
- clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
+ clib_memcpy (ep->ip, &session->transport.rmt_ip.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 ("[%d] Unsupport flags for recvfrom %d", getpid (), flags);
+ clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
+ getpid (), flags);
rv = VPPCOM_EAFNOSUPPORT;
}
if (flags)
{
// TBD check the flags and do the right thing
- if (VPPCOM_DEBUG > 2)
- clib_warning ("[%d] handling flags 0x%u (%d) not implemented yet.",
- getpid (), flags, flags);
+ VDBG (2, "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;
+
+ VDBG (3, "VCL<%d>: vp %p, nsids %u, wait_for_time %f",
+ getpid (), vp, n_sids, wait_for_time);
+
+ if (!vp)
+ return VPPCOM_EFAULT;
+
+ do
+ {
+ vcl_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;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff