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authorDave Wallace <dwallacelf@gmail.com>2017-09-06 01:20:02 -0400
committerFlorin Coras <florin.coras@gmail.com>2017-09-07 08:18:46 +0000
commit33e002b168a211b1d620f4fffbd3752c8f1f2129 (patch)
tree254a4df5af366150e6650704b677b05e7115218b /src/uri
parent483041413842e04f6958ae8cae4135dc2262d43b (diff)
Fix session connect_* api message handling.
Change-Id: If7fd125989c90240de12953658d10007b9eb4f07 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Diffstat (limited to 'src/uri')
-rw-r--r--src/uri/sock_test_server.c2
-rwxr-xr-xsrc/uri/uri_tcp_test.c4
-rw-r--r--src/uri/uri_udp_test.c8
-rw-r--r--src/uri/vppcom.c225
4 files changed, 112 insertions, 127 deletions
diff --git a/src/uri/sock_test_server.c b/src/uri/sock_test_server.c
index 52c60dc40ff..f703b177385 100644
--- a/src/uri/sock_test_server.c
+++ b/src/uri/sock_test_server.c
@@ -345,7 +345,7 @@ main (int argc, char **argv)
memset (&servaddr, 0, sizeof (servaddr));
servaddr.sin_family = AF_INET;
- servaddr.sin_addr.s_addr = htons (INADDR_ANY);
+ servaddr.sin_addr.s_addr = htonl (INADDR_ANY);
servaddr.sin_port = htons (port);
#ifdef VCL_TEST
diff --git a/src/uri/uri_tcp_test.c b/src/uri/uri_tcp_test.c
index f5fbbd23bb0..cb297b55b98 100755
--- a/src/uri/uri_tcp_test.c
+++ b/src/uri/uri_tcp_test.c
@@ -526,7 +526,7 @@ client_rx_thread_fn (void *arg)
static void
-vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
+vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
{
uri_tcp_test_main_t *utm = &uri_tcp_test_main;
session_t *session;
@@ -1122,7 +1122,7 @@ vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
_(BIND_URI_REPLY, bind_uri_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
_(ACCEPT_SESSION, accept_session) \
-_(CONNECT_URI_REPLY, connect_uri_reply) \
+_(CONNECT_SESSION_REPLY, connect_session_reply) \
_(DISCONNECT_SESSION, disconnect_session) \
_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
_(RESET_SESSION, reset_session) \
diff --git a/src/uri/uri_udp_test.c b/src/uri/uri_udp_test.c
index aea4707cdc0..f50ee688ba4 100644
--- a/src/uri/uri_udp_test.c
+++ b/src/uri/uri_udp_test.c
@@ -518,7 +518,7 @@ vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
svm_fifo_segment_create_args_t _a, *a = &_a;
svm_fifo_segment_private_t *seg;
unix_shared_memory_queue_t *client_q;
- vl_api_connect_uri_reply_t *rmp;
+ vl_api_connect_session_reply_t *rmp;
session_t *session = 0;
int rv = 0;
@@ -566,7 +566,7 @@ send_reply:
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI_REPLY);
+ rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
rmp->context = mp->context;
rmp->retval = ntohl (rv);
rmp->segment_name_length = vec_len (a->segment_name);
@@ -674,7 +674,7 @@ vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
}
static void
-vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
+vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
{
uri_udp_test_main_t *utm = &uri_udp_test_main;
@@ -727,7 +727,7 @@ vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
#define foreach_uri_msg \
_(BIND_URI_REPLY, bind_uri_reply) \
_(CONNECT_URI, connect_uri) \
-_(CONNECT_URI_REPLY, connect_uri_reply) \
+_(CONNECT_SESSION_REPLY, connect_session_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
_(ACCEPT_SESSION, accept_session) \
_(DISCONNECT_SESSION, disconnect_session) \
diff --git a/src/uri/vppcom.c b/src/uri/vppcom.c
index c41acd54977..aec1295f1b3 100644
--- a/src/uri/vppcom.c
+++ b/src/uri/vppcom.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this
* You may obtain a copy of the License at:
@@ -76,7 +76,7 @@ typedef struct
svm_fifo_t *server_tx_fifo;
u32 sm_seg_index;
u64 vpp_session_handle;
- unix_shared_memory_queue_t *event_queue;
+ unix_shared_memory_queue_t *vpp_event_queue;
/* Socket configuration state */
u8 is_server;
@@ -682,7 +682,7 @@ vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
}
static void
-vl_api_connect_sock_reply_t_handler (vl_api_connect_sock_reply_t * mp)
+vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
{
vppcom_main_t *vcm = &vppcom_main;
session_t *session;
@@ -698,9 +698,9 @@ vl_api_connect_sock_reply_t_handler (vl_api_connect_sock_reply_t * mp)
return;
}
- session_index = ntohl (mp->app_connect);
+ session_index = mp->context;
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] app_connect = %d 0x%08x", vcm->my_pid,
+ clib_warning ("[%d] session_index = %d 0x%08x", vcm->my_pid,
session_index, session_index);
clib_spinlock_lock (&vcm->sessions_lockp);
@@ -743,8 +743,8 @@ vl_api_connect_sock_reply_t_handler (vl_api_connect_sock_reply_t * mp)
session = pool_elt_at_index (vcm->sessions, session_index);
session->is_cut_thru = is_cut_thru;
- session->event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- unix_shared_memory_queue_t *);
+ 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;
@@ -773,13 +773,11 @@ vppcom_send_connect_sock (session_t * session, u32 session_index)
memset (cmp, 0, sizeof (*cmp));
cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
cmp->client_index = vcm->my_client_index;
- cmp->context = htonl (0xfeedface);
- cmp->app_connect = session_index;
+ cmp->context = session_index;
if (VPPCOM_DEBUG > 1)
- clib_warning ("[%d] session_index = %d 0x%08x, app_connect = %d 0x%08x",
- vcm->my_pid, session_index, session_index,
- cmp->app_connect, cmp->app_connect);
+ clib_warning ("[%d] session_index = %d 0x%08x",
+ vcm->my_pid, session_index, session_index);
cmp->vrf = session->vrf;
cmp->is_ip4 = session->is_ip4;
@@ -991,8 +989,8 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
session->server_rx_fifo = rx_fifo;
session->server_tx_fifo = tx_fifo;
- session->event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- unix_shared_memory_queue_t *);
+ 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->port = ntohs (mp->port);
@@ -1029,7 +1027,7 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
u32 session_index;
svm_fifo_segment_private_t *seg;
unix_shared_memory_queue_t *client_q;
- vl_api_connect_sock_reply_t *rmp;
+ vl_api_connect_session_reply_t *rmp;
session_t *session = 0;
int rv = 0;
svm_fifo_t *rx_fifo;
@@ -1119,7 +1117,7 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
ssvm_lock_non_recursive (sh, 1);
oldheap = ssvm_push_heap (sh);
- event_q = session->event_queue =
+ event_q = session->vpp_event_queue =
unix_shared_memory_queue_init (vcm->cfg.event_queue_size,
sizeof (session_fifo_event_t),
vcm->my_pid, 0 /* signal not sent */ );
@@ -1139,9 +1137,8 @@ send_reply:
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK_REPLY);
+ rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
rmp->context = mp->context;
- rmp->app_connect = htonl (mp->app_connect);
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));
@@ -1293,7 +1290,7 @@ _(BIND_SOCK_REPLY, bind_sock_reply) \
_(UNBIND_SOCK_REPLY, unbind_sock_reply) \
_(ACCEPT_SESSION, accept_session) \
_(CONNECT_SOCK, connect_sock) \
-_(CONNECT_SOCK_REPLY, connect_sock_reply) \
+_(CONNECT_SESSION_REPLY, connect_session_reply) \
_(DISCONNECT_SESSION, disconnect_session) \
_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
_(RESET_SESSION, reset_session) \
@@ -1878,6 +1875,7 @@ vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
int rv;
+ ip46_address_t *ip46;
if (!ep || !ep->ip)
return VPPCOM_EINVAL;
@@ -1898,8 +1896,9 @@ vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
session->vrf = ep->vrf;
session->is_ip4 = ep->is_ip4;
- memset (session->ip, 0, sizeof (*session->ip));
- clib_memcpy (session->ip, ep->ip, sizeof (session->ip));
+ memset (session->ip, 0, sizeof (session->ip));
+ ip46 = (ip46_address_t *) session->ip;
+ *ip46 = to_ip46 (!ep->is_ip4, ep->ip);
session->port = ep->port;
clib_spinlock_unlock (&vcm->sessions_lockp);
@@ -1907,32 +1906,33 @@ vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
}
int
-vppcom_session_listen (uint32_t session_index, uint32_t q_len)
+vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
{
vppcom_main_t *vcm = &vppcom_main;
- session_t *session = 0;
+ session_t *listen_session = 0;
int rv;
clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
+ 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 (%d) has been closed!",
- vcm->my_pid, session_index);
+ vcm->my_pid, listen_session_index);
return rv;
}
if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] sid %d", vcm->my_pid, session_index);
+ clib_warning ("[%d] sid %d", vcm->my_pid, listen_session_index);
ASSERT (vcm->bind_session_index == ~0);
- vcm->bind_session_index = session_index;
- vppcom_send_bind_sock (session);
+ vcm->bind_session_index = listen_session_index;
+ vppcom_send_bind_sock (listen_session);
clib_spinlock_unlock (&vcm->sessions_lockp);
- rv = vppcom_wait_for_session_state_change (session_index, STATE_LISTEN,
- vcm->cfg.session_timeout);
+ rv =
+ vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
+ vcm->cfg.session_timeout);
if (PREDICT_FALSE (rv))
{
vcm->bind_session_index = ~0;
@@ -1943,16 +1943,16 @@ vppcom_session_listen (uint32_t session_index, uint32_t q_len)
}
clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
+ 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 (%d) has been closed!",
- vcm->my_pid, session_index);
+ vcm->my_pid, listen_session_index);
return rv;
}
- session->is_listen = 1;
+ listen_session->is_listen = 1;
clib_spinlock_unlock (&vcm->sessions_lockp);
clib_fifo_validate (vcm->client_session_index_fifo, q_len);
@@ -1964,13 +1964,14 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
double wait_for_time)
{
vppcom_main_t *vcm = &vppcom_main;
- session_t *session = 0;
+ session_t *listen_session = 0;
+ session_t *client_session = 0;
u32 client_session_index;
int rv;
f64 wait_for;
clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (listen_session_index, &session);
+ rv = vppcom_session_at_index (listen_session_index, &listen_session);
if (PREDICT_FALSE (rv))
{
clib_spinlock_unlock (&vcm->sessions_lockp);
@@ -1980,21 +1981,23 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
return rv;
}
- if (session->state != STATE_LISTEN)
+ if (listen_session->state != STATE_LISTEN)
{
clib_spinlock_unlock (&vcm->sessions_lockp);
if (VPPCOM_DEBUG > 0)
clib_warning ("[%d] session not in listen state, state = %s",
- vcm->my_pid, vppcom_session_state_str (session->state));
+ vcm->my_pid,
+ vppcom_session_state_str (listen_session->state));
return VPPCOM_EBADFD;
}
- wait_for = session->is_nonblocking ? 0 :
+ 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, state %s (%d)", vcm->my_pid,
+ clib_warning ("[%d] sid %d: %s (%d)", vcm->my_pid,
listen_session_index,
- vppcom_session_state_str (session->state), session->state);
+ vppcom_session_state_str (listen_session->state),
+ listen_session->state);
clib_spinlock_unlock (&vcm->sessions_lockp);
while (1)
@@ -2015,23 +2018,23 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
- session = 0;
clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (client_session_index, &session);
+ rv = vppcom_session_at_index (client_session_index, &client_session);
ASSERT (rv == VPPCOM_OK);
- ASSERT (session->is_server);
+ ASSERT (client_session->is_ip4 == listen_session->is_ip4);
if (VPPCOM_DEBUG > 0)
clib_warning ("[%d] Got a request: client sid %d", vcm->my_pid,
client_session_index);
- ep->vrf = session->vrf;
- ep->is_cut_thru = session->is_cut_thru;
- ep->is_ip4 = session->is_ip4;
- ep->port = session->port;
- memset (ep->ip, 0, sizeof (ip6_address_t));
- clib_memcpy (ep->ip, session->ip, sizeof (ip6_address_t));
- session->state = STATE_LISTEN;
+ ep->vrf = client_session->vrf;
+ ep->is_cut_thru = client_session->is_cut_thru;
+ ep->is_ip4 = client_session->is_ip4;
+ ep->port = client_session->port;
+ if (client_session->is_ip4)
+ clib_memcpy (ep->ip, client_session->ip, sizeof (ip4_address_t));
+ else
+ clib_memcpy (ep->ip, client_session->ip, sizeof (ip6_address_t));
clib_spinlock_unlock (&vcm->sessions_lockp);
return (int) client_session_index;
}
@@ -2066,6 +2069,7 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
session->vrf = server_ep->vrf;
session->is_ip4 = server_ep->is_ip4;
+ memset (session->ip, 0, sizeof (session->ip));
ip46 = (ip46_address_t *) session->ip;
*ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
session->port = server_ep->port;
@@ -2097,12 +2101,12 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
int
vppcom_session_read (uint32_t session_index, void *buf, int n)
{
- session_fifo_event_t _e, *e = &_e;
vppcom_main_t *vcm = &vppcom_main;
session_t *session = 0;
svm_fifo_t *rx_fifo;
int n_read = 0;
int rv;
+ int max_dequeue;
char *fifo_str;
ASSERT (buf);
@@ -2118,100 +2122,62 @@ vppcom_session_read (uint32_t session_index, void *buf, int n)
return rv;
}
- if (session->is_cut_thru)
+ if (session->state == STATE_DISCONNECT)
{
- rx_fifo = session->is_server ? session->server_rx_fifo :
- session->server_tx_fifo;
- fifo_str = session->is_server ? "server_rx_fifo" : "server_tx_fifo";
clib_spinlock_unlock (&vcm->sessions_lockp);
-
- n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
-
- if (n_read <= 0)
- return VPPCOM_EAGAIN;
-
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("[%d] sid (%d) has been closed by remote peer!",
+ vcm->my_pid, session_index);
+ return VPPCOM_ECONNRESET;
}
- else
- {
- rv = unix_shared_memory_queue_sub (session->event_queue, (u8 *) e,
- 1 /* nowait */ );
- clib_spinlock_unlock (&vcm->sessions_lockp);
- if (rv < 0)
- return VPPCOM_EAGAIN;
-
- switch (e->event_type)
- {
- case FIFO_EVENT_APP_RX:
- rx_fifo = e->fifo;
- fifo_str = "app_rx_fifo";
- n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
- break;
- case FIFO_EVENT_DISCONNECT:
- return VPPCOM_ECONNRESET;
+ 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");
+ clib_spinlock_unlock (&vcm->sessions_lockp);
- default:
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] unknown event type %d", vcm->my_pid,
- e->event_type);
- return VPPCOM_EAGAIN;
- }
- }
+ max_dequeue = (int) svm_fifo_max_dequeue (rx_fifo);
+ n_read = svm_fifo_dequeue_nowait (rx_fifo, clib_min (n, max_dequeue), buf);
if (VPPCOM_DEBUG > 2)
clib_warning ("[%d] sid %d, read %d bytes from %s (%p)", vcm->my_pid,
session_index, n_read, fifo_str, rx_fifo);
- return n_read;
+
+ return (n_read <= 0) ? VPPCOM_EAGAIN : n_read;
}
static inline int
vppcom_session_read_ready (session_t * session, u32 session_index)
{
- session_fifo_event_t _e, *e = &_e;
vppcom_main_t *vcm = &vppcom_main;
svm_fifo_t *rx_fifo;
- int rv;
int ready = 0;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- if (session->is_cut_thru)
+ if (session->state == STATE_DISCONNECT)
{
- rx_fifo = session->is_server ? session->server_rx_fifo :
- session->server_tx_fifo;
-
- ready = svm_fifo_max_dequeue (rx_fifo);
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("[%d] sid (%d) has been closed by remote peer!",
+ vcm->my_pid, session_index);
+ return VPPCOM_ECONNRESET;
}
- else if (session->is_listen)
+
+ if (session->is_listen)
ready = clib_fifo_elts (vcm->client_session_index_fifo);
else
{
- rv = unix_shared_memory_queue_sub (vcm->app_event_queue, (u8 *) e,
- 1 /* nowait */ );
- if (rv >= 0)
- {
- switch (e->event_type)
- {
- case FIFO_EVENT_APP_RX:
- rx_fifo = e->fifo;
- ready = svm_fifo_max_dequeue (rx_fifo);
- break;
+ rx_fifo = ((!session->is_cut_thru || session->is_server) ?
+ session->server_rx_fifo : session->server_tx_fifo);
- case FIFO_EVENT_DISCONNECT:
- return VPPCOM_ECONNRESET;
-
- default:
- clib_warning ("[%d] unknown event type %d", vcm->my_pid,
- e->event_type);
- }
- }
+ ready = svm_fifo_max_dequeue (rx_fifo);
}
- if (VPPCOM_DEBUG > 2)
+ if (VPPCOM_DEBUG > 3)
clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", vcm->my_pid,
session_index,
session->is_server ? "server_rx_fifo" : "server_tx_fifo",
rx_fifo, ready);
-
return ready;
}
@@ -2240,10 +2206,20 @@ vppcom_session_write (uint32_t session_index, void *buf, int n)
return rv;
}
+ if (session->state == STATE_DISCONNECT)
+ {
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("[%d] sid (%d) has been closed by remote peer!",
+ vcm->my_pid, session_index);
+ return VPPCOM_ECONNRESET;
+ }
+
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");
+
is_nonblocking = session->is_nonblocking;
clib_spinlock_unlock (&vcm->sessions_lockp);
@@ -2254,7 +2230,7 @@ vppcom_session_write (uint32_t session_index, void *buf, int n)
while (!is_nonblocking && (rv <= 0));
/* If event wasn't set, add one */
- if ((rv > 0) && svm_fifo_set_event (tx_fifo))
+ if (!session->is_cut_thru && (rv > 0) && svm_fifo_set_event (tx_fifo))
{
int rval;
@@ -2273,7 +2249,7 @@ vppcom_session_write (uint32_t session_index, void *buf, int n)
vcm->my_pid, session_index);
return rval;
}
- q = session->event_queue;
+ q = session->vpp_event_queue;
clib_spinlock_unlock (&vcm->sessions_lockp);
ASSERT (q);
unix_shared_memory_queue_add (q, (u8 *) & evt,
@@ -2292,19 +2268,28 @@ vppcom_session_write_ready (session_t * session, u32 session_index)
{
vppcom_main_t *vcm = &vppcom_main;
svm_fifo_t *tx_fifo;
+ char *fifo_str;
int rv;
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
+ if (session->state == STATE_DISCONNECT)
+ {
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("[%d] sid (%d) has been closed by remote peer!",
+ vcm->my_pid, session_index);
+ return VPPCOM_ECONNRESET;
+ }
+
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");
rv = svm_fifo_max_enqueue (tx_fifo);
- if (VPPCOM_DEBUG > 2)
+ if (VPPCOM_DEBUG > 3)
clib_warning ("[%d] sid %d, peek %s (%p), ready = %d", vcm->my_pid,
- session_index,
- session->is_server ? "server_tx_fifo" : "server_rx_fifo",
- tx_fifo, rv);
+ session_index, fifo_str, tx_fifo, rv);
return rv;
}