u32 vep_idx;
vppcom_epoll_event_t ev;
#define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT)
+#define VEP_UNSUPPORTED_EVENTS (EPOLLONESHOT|EPOLLEXCLUSIVE)
u32 et_mask;
} vppcom_epoll_t;
svm_fifo_t *server_rx_fifo;
svm_fifo_t *server_tx_fifo;
+ u8 *segment_name;
u32 sm_seg_index;
- u64 vpp_session_handle;
+ u32 client_context;
+ u64 vpp_handle;
unix_shared_memory_queue_t *vpp_event_queue;
/* Socket configuration state */
static vppcom_main_t *vcm = &_vppcom_main;
+#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)
+
static const char *
vppcom_app_state_str (app_state_t state)
{
mp)
{
uword *p;
+ u32 session_index = ~0;
p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
if (p)
{
session_t *session = 0;
int rv;
+
+ session_index = p[0];
+ hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (p[0], &session);
+ rv = vppcom_session_at_index (session_index, &session);
if (PREDICT_FALSE (rv))
{
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] invalid session, sid (%u) has been closed!",
- getpid (), p[0]);
+ clib_warning ("[%d] invalid session, sid %u has been closed!",
+ getpid (), session_index);
+ }
+ else
+ {
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("[%d] vpp handle 0x%llx, sid %u disconnected!",
+ getpid (), mp->handle, session_index);
+
+ session->state = STATE_DISCONNECT;
}
- hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
- session->state = STATE_DISCONNECT;
clib_spinlock_unlock (&vcm->sessions_lockp);
}
else
{
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] couldn't find session key %llx", getpid (),
- mp->handle);
+ clib_warning ("[%d] couldn't find session: unknown vpp handle 0x%llx",
+ getpid (), mp->handle);
}
if (mp->retval)
- clib_warning ("[%d] disconnect_session failed: %U", getpid (),
+ clib_warning ("[%d] disconnect_session vpp handle 0x%llx, sid %u "
+ "failed: %U", getpid (), mp->handle, session_index,
format_api_error, ntohl (mp->retval));
}
}
else
{
- clib_warning ("[%d] couldn't find session key %llx", getpid (),
- mp->handle);
+ clib_warning ("[%d] couldn't find session: unknown vpp handle 0x%llx",
+ getpid (), mp->handle);
rv = -11;
}
}
else
{
- clib_warning ("[%d] couldn't find session key %llx", getpid (),
- mp->handle);
+ clib_warning ("[%d] couldn't find session: unknown vpp handle 0x%llx",
+ getpid (), mp->handle);
rv = -11;
}
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);
+ clib_warning ("[%d] cut-thru segment: %s\n",
+ getpid (), a->segment_name);
+
rv = svm_fifo_segment_attach (a);
vec_reset_length (a->new_segment_indices);
if (PREDICT_FALSE (rv))
/*
* 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,
session->server_rx_fifo = rx_fifo;
session->server_tx_fifo = tx_fifo;
- session->vpp_session_handle = mp->handle;
+ session->vpp_handle = mp->handle;
session->state = STATE_CONNECT;
/* Add it to lookup table */
hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("[%d] client sid %d, vpp handle 0x%llx\n"
+ " session_rx_fifo %p, refcnt %d\n"
+ " session_tx_fifo %p, refcnt %d",
+ getpid (), session_index, mp->handle,
+ session->server_rx_fifo,
+ session->server_rx_fifo->refcnt,
+ session->server_tx_fifo, session->server_tx_fifo->refcnt);
+
clib_spinlock_unlock (&vcm->sessions_lockp);
}
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;
+ dmp->handle = session->vpp_handle;
vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
}
rv = vppcom_session_at_index (vcm->bind_session_index, &session);
if (rv == VPPCOM_OK)
{
- session->vpp_session_handle = mp->handle;
+ session->vpp_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;
format (s, "%U", format_ip6_address, &ip46->ip6);
}
+static inline void
+vppcom_send_accept_session_reply (u32 handle, int retval)
+{
+ vl_api_accept_session_reply_t *rmp;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
+ rmp->retval = htonl (retval);
+ rmp->handle = handle;
+ vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
+}
+
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;
+ uword *p;
+ clib_spinlock_lock (&vcm->sessions_lockp);
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);
+ vppcom_send_accept_session_reply (VNET_API_ERROR_QUEUE_FULL,
+ mp->handle);
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ return;
}
- clib_spinlock_lock (&vcm->sessions_lockp);
/* Allocate local session and set it up */
pool_get (vcm->sessions, session);
memset (session, 0, sizeof (*session));
tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
tx_fifo->client_session_index = session_index;
+ session->vpp_handle = mp->handle;
session->server_rx_fifo = rx_fifo;
session->server_tx_fifo = tx_fifo;
session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
/* Add it to lookup table */
hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
+ p = hash_get (vcm->session_index_by_vpp_handles, mp->listener_handle);
+ if (p)
+ {
+ int rval;
+ session_t *listen_session;
+
+ rval = vppcom_session_at_index (p[0], &listen_session);
+ if (PREDICT_FALSE (rval))
+ {
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("[%d] invalid listen session, sid (%u) "
+ "has been closed!", getpid (), p[0]);
+ }
+ else
+ {
+ session->lcl_port = listen_session->lcl_port;
+ session->lcl_addr = listen_session->lcl_addr;
+ }
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ hash_unset (vcm->session_index_by_vpp_handles, mp->handle);
+ }
+ else
+ {
+ clib_warning ("[%d] couldn't find listen session: unknown vpp "
+ "listener handle %llx", getpid (), mp->listener_handle);
+ }
+
+ /* TBD: move client_session_index_fifo into listener session */
clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
clib_spinlock_unlock (&vcm->sessions_lockp);
- /*
- * Send accept reply to vpp
- */
-send_reply:
+ if (VPPCOM_DEBUG > 1)
+ {
+ u8 *ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
+ clib_warning ("[%d] received request to accept session (sid %d) "
+ "from %s:%d", getpid (), session_index, ip_str,
+ clib_net_to_host_u16 (mp->port));
+ vec_free (ip_str);
+ }
+}
+
+static void
+vppcom_send_connect_session_reply (session_t * session, int retval)
+{
+ vl_api_connect_session_reply_t *rmp;
+ u32 len;
+ unix_shared_memory_queue_t *client_q;
+
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);
+
+ rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
+ rmp->context = session->client_context;
+ rmp->retval = htonl (retval);
+ rmp->handle = session->vpp_handle;
+ rmp->server_rx_fifo = pointer_to_uword (session->server_rx_fifo);
+ rmp->server_tx_fifo = pointer_to_uword (session->server_tx_fifo);
+ rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue);
+ rmp->segment_size = vcm->cfg.segment_size;
+ len = vec_len (session->segment_name);
+ rmp->segment_name_length = clib_min (len, sizeof (rmp->segment_name));
+ clib_memcpy (rmp->segment_name, session->segment_name,
+ rmp->segment_name_length - 1);
+ clib_memcpy (rmp->lcl_ip, session->lcl_addr.ip46.as_u8,
+ sizeof (rmp->lcl_ip));
+ rmp->is_ip4 = session->lcl_addr.is_ip4;
+ client_q = uword_to_pointer (session->client_queue_address,
+ unix_shared_memory_queue_t *);
+ ASSERT (client_q);
+ vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
}
/*
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;
+ vppcom_send_accept_session_reply (VNET_API_ERROR_QUEUE_FULL, 0);
+ return;
}
- 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_context = mp->context;
+ session->vpp_handle = session_index;
session->client_queue_address = mp->client_queue_address;
session->is_cut_thru = 1;
session->is_server = 1;
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,
+ ("[%d] Got a cut-thru connect request to client: "
+ "sid %d, clib_fifo_elts %u!\n", 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
ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
ump->client_index = vcm->my_client_index;
- ump->handle = session->vpp_session_handle;
+ ump->handle = session->vpp_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)
+vppcom_session_unbind_cut_thru (session_t * session, u32 session_index)
{
svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
svm_fifo_segment_private_t *seg;
int rv = VPPCOM_OK;
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("[%d] sid %d, seg_nxd %d:\n"
+ " server_rx_fifo %p, refcnt = %d\n"
+ " server_tx_fifo %p, refcnt = %d",
+ getpid (), session_index, session->sm_seg_index,
+ session->server_rx_fifo, session->server_rx_fifo->refcnt,
+ session->server_tx_fifo, session->server_tx_fifo->refcnt);
+
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);
rv = vppcom_wait_for_session_state_change (session_index,
STATE_DISCONNECT, 1.0);
+ /* TBD: Force clean up on error/timeout since there is no other
+ * way to recover from a failed disconnect.
+ */
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);
+ {
+ /* TBD: Handle cut-thru disconnect */
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ }
return VPPCOM_OK;
}
vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- if (vcl_mem <= 0)
+ if (vcl_mem == MAP_FAILED)
{
clib_unix_error ("[%d] ERROR: mmap(0, %lld == 0x%llx, "
"PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
if (is_cut_thru && is_server && (state == STATE_ACCEPT))
{
- rv = vppcom_session_unbind_cut_thru (session);
+ rv = vppcom_session_unbind_cut_thru (session, session_index);
if ((VPPCOM_DEBUG > 0) && (rv < 0))
clib_warning ("[%d] unbind cut-thru (session %d) failed, "
"rv = %s (%d)",
int
vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
- double wait_for_time)
+ uint32_t flags, double wait_for_time)
{
session_t *listen_session = 0;
session_t *client_session = 0;
- u32 client_session_index;
+ u32 client_session_index = ~0;
int rv;
f64 wait_for;
+ char *cut_thru_str;
clib_spinlock_lock (&vcm->sessions_lockp);
rv = vppcom_session_at_index (listen_session_index, &listen_session);
ASSERT (client_session->peer_addr.is_ip4 ==
listen_session->lcl_addr.is_ip4);
+ client_session->is_nonblocking = (flags & O_NONBLOCK) ? 1 : 0;
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;
+ clib_warning ("[%d] Got a request: client sid %d, flags %d, "
+ " is_nonblocking %u", getpid (), client_session_index,
+ flags, client_session->is_nonblocking);
ep->vrf = client_session->vrf;
ep->is_cut_thru = client_session->is_cut_thru;
else
clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
sizeof (ip6_address_t));
+
+ if (client_session->is_server && client_session->is_cut_thru)
+ {
+ static svm_fifo_segment_create_args_t _a;
+ svm_fifo_segment_create_args_t *a = &_a;
+ svm_fifo_segment_private_t *seg;
+
+ cut_thru_str = "cut-thru ";
+
+ /* 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;
+ vppcom_send_connect_session_reply (client_session, rv);
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ return VPPCOM_ENOMEM;
+ }
+
+ client_session->segment_name = vec_dup ((u8 *) a->segment_name);
+ client_session->sm_seg_index = a->new_segment_indices[0];
+ vec_free (a->new_segment_indices);
+
+ seg = svm_fifo_segment_get_segment (client_session->sm_seg_index);
+ client_session->server_rx_fifo =
+ svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size,
+ FIFO_SEGMENT_RX_FREELIST);
+ if (PREDICT_FALSE (!client_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;
+ vppcom_send_connect_session_reply (client_session, rv);
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ return VPPCOM_ENOMEM;
+ }
+ client_session->server_rx_fifo->master_session_index =
+ client_session_index;
+
+ client_session->server_tx_fifo =
+ svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size,
+ FIFO_SEGMENT_TX_FREELIST);
+ if (PREDICT_FALSE (!client_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;
+ vppcom_send_connect_session_reply (client_session, rv);
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ return VPPCOM_ENOMEM;
+ }
+ client_session->server_tx_fifo->master_session_index =
+ client_session_index;
+
+ if (VPPCOM_DEBUG > 1)
+ clib_warning ("[%d] created segment '%s': rx_fifo %p, tx_fifo %p",
+ getpid (), client_session->segment_name,
+ client_session->server_rx_fifo,
+ client_session->server_tx_fifo);
+
+#ifdef CUT_THRU_EVENT_QUEUE /* TBD */
+ {
+ void *oldheap;
+ ssvm_shared_header_t *sh = seg->ssvm.sh;
+
+ ssvm_lock_non_recursive (sh, 1);
+ oldheap = ssvm_push_heap (sh);
+ event_q = client_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);
+ }
+#endif
+ vppcom_send_connect_session_reply (client_session, 0);
+ }
+ else
+ {
+ cut_thru_str = " ";
+ vppcom_send_accept_session_reply (0, client_session->vpp_handle);
+ }
+
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,
+ clib_warning ("[%d] sid %d, accepted %sconnection to peer address "
+ "%U peer port %u",
+ getpid (), client_session_index, cut_thru_str,
+ 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;
}
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;
+ poll_et =
+ ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
clib_spinlock_unlock (&vcm->sessions_lockp);
do
{
svm_fifo_t *rx_fifo = 0;
int ready = 0;
+ u32 poll_et;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
if (session->is_vep)
ready = svm_fifo_max_dequeue (rx_fifo);
}
- if (VPPCOM_DEBUG > 3)
- clib_warning ("[%d] sid %d, is_listen %u, peek %s (%p), ready = %d",
+ poll_et =
+ ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
+ if (poll_et && (ready == 0))
+ {
+ if (VPPCOM_DEBUG > 11)
+ clib_warning ("[%d] sid %d: current vep.et_mask = 0x%x", getpid (),
+ session_index, session->vep.et_mask);
+ session->vep.et_mask |= EPOLLIN;
+ if (VPPCOM_DEBUG > 11)
+ clib_warning ("[%d] sid %d: updated vep.et_mask = 0x%x", getpid (),
+ session_index, session->vep.et_mask);
+ }
+
+ if (session->vep.et_mask && (VPPCOM_DEBUG > 11))
+ clib_warning ("[%d] sid %d, is_listen %u, peek %s (%p), ready = %d, "
+ "et_mask 0x%x",
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;
-
+ rx_fifo, ready, session->vep.et_mask);
return ready;
}
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;
+ poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLOUT));
clib_spinlock_unlock (&vcm->sessions_lockp);
do
svm_fifo_t *tx_fifo;
char *fifo_str;
int ready;
+ u32 poll_et;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
if (session->is_vep)
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))
+ poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
+ (EPOLLET | EPOLLOUT));
+ if (poll_et && (ready == 0))
session->vep.et_mask |= EPOLLOUT;
return ready;
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)
add_event = clear_et_mask = 0;
- if ((EPOLLIN & session_events) && (EPOLLIN & et_mask))
+ if (EPOLLIN & session_events)
{
VCL_LOCK_AND_GET_SESSION (sid, &session);
ready = vppcom_session_read_ready (session, sid);
clib_spinlock_unlock (&vcm->sessions_lockp);
- if (ready > 0)
+ 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);
ready = vppcom_session_write_ready (session, sid);
clib_spinlock_unlock (&vcm->sessions_lockp);
- if (ready > 0)
+ 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)
{
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",
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("[%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);
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("[%d] VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
+ getpid (), session_index, rv);
+
break;
case VPPCOM_ATTR_GET_FLAGS:
{
*flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0);
*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);
+ if (VPPCOM_DEBUG > 2)
+ clib_warning ("[%d] VPPCOM_ATTR_GET_FLAGS: sid %u, "
+ "flags = 0x%08x, is_nonblocking = %u", getpid (),
+ session_index, *flags, session->is_nonblocking);
}
else
rv = VPPCOM_EINVAL;
if (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 (VPPCOM_DEBUG > 2)
+ clib_warning ("[%d] VPPCOM_ATTR_SET_FLAGS: sid %u, "
+ "flags = 0x%08x, is_nonblocking = %u",
+ getpid (), *flags, session->is_nonblocking);
}
else
rv = VPPCOM_EINVAL;
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] VPPCOM_ATTR_GET_PEER_ADDR: sid %u is_ip4 = "
+ 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,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] VPPCOM_ATTR_GET_LCL_ADDR: sid %u is_ip4 = "
+ 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,
Code Review / vpp.git / blobdiff