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-rw-r--r--src/svm/message_queue.c22
-rw-r--r--src/svm/message_queue.h38
-rw-r--r--src/svm/svm_fifo.c2
-rw-r--r--src/vcl/ldp.c2
-rw-r--r--src/vcl/sock_test_client.c7
-rw-r--r--src/vcl/vcl_bapi.c12
-rw-r--r--src/vcl/vcl_cfg.c69
-rw-r--r--src/vcl/vcl_private.h62
-rw-r--r--src/vcl/vcl_test.h5
-rw-r--r--src/vcl/vcl_test_client.c28
-rw-r--r--src/vcl/vcl_test_server.c2
-rw-r--r--src/vcl/vppcom.c1530
-rw-r--r--src/vcl/vppcom.h1
-rw-r--r--src/vnet/session/application.c15
-rw-r--r--src/vnet/session/application_interface.c6
-rw-r--r--src/vnet/session/application_interface.h25
-rw-r--r--src/vnet/session/session.c5
-rw-r--r--src/vnet/session/session.h2
-rwxr-xr-xsrc/vnet/session/session_api.c8
-rwxr-xr-xsrc/vnet/session/session_cli.c6
-rw-r--r--src/vnet/session/session_lookup.c5
-rw-r--r--src/vnet/session/session_node.c6
-rw-r--r--test/test_vcl.py2
23 files changed, 1114 insertions, 746 deletions
diff --git a/src/svm/message_queue.c b/src/svm/message_queue.c
index 0f9be9c11b7..1b2d2e148ed 100644
--- a/src/svm/message_queue.c
+++ b/src/svm/message_queue.c
@@ -73,6 +73,7 @@ svm_msg_q_alloc (svm_msg_q_cfg_t * cfg)
ring = &mq->rings[i];
ring->elsize = cfg->ring_cfgs[i].elsize;
ring->nitems = cfg->ring_cfgs[i].nitems;
+ ring->cursize = ring->head = ring->tail = 0;
if (cfg->ring_cfgs[i].data)
ring->data = cfg->ring_cfgs[i].data;
else
@@ -97,10 +98,10 @@ svm_msg_q_free (svm_msg_q_t * mq)
svm_msg_q_msg_t
svm_msg_q_alloc_msg_w_ring (svm_msg_q_t * mq, u32 ring_index)
{
- svm_msg_q_msg_t msg = {.as_u64 = ~0 };
+ svm_msg_q_msg_t msg;
svm_msg_q_ring_t *ring = svm_msg_q_ring_inline (mq, ring_index);
- ASSERT (ring->cursize != ring->nitems);
+ ASSERT (ring->cursize < ring->nitems);
msg.ring_index = ring - mq->rings;
msg.elt_index = ring->tail;
ring->tail = (ring->tail + 1) % ring->nitems;
@@ -131,12 +132,9 @@ svm_msg_q_lock_and_alloc_msg_w_ring (svm_msg_q_t * mq, u32 ring_index,
else
{
svm_msg_q_lock (mq);
+ while (svm_msg_q_ring_is_full (mq, ring_index))
+ svm_msg_q_wait (mq);
*msg = svm_msg_q_alloc_msg_w_ring (mq, ring_index);
- while (svm_msg_q_msg_is_invalid (msg))
- {
- svm_msg_q_wait (mq);
- *msg = svm_msg_q_alloc_msg_w_ring (mq, ring_index);
- }
}
return 0;
}
@@ -190,18 +188,20 @@ svm_msg_q_free_msg (svm_msg_q_t * mq, svm_msg_q_msg_t * msg)
static int
svm_msq_q_msg_is_valid (svm_msg_q_t * mq, svm_msg_q_msg_t * msg)
{
+ u32 dist1, dist2, tail, head;
svm_msg_q_ring_t *ring;
- u32 dist1, dist2;
if (vec_len (mq->rings) <= msg->ring_index)
return 0;
ring = &mq->rings[msg->ring_index];
+ tail = ring->tail;
+ head = ring->head;
- dist1 = ((ring->nitems + msg->elt_index) - ring->head) % ring->nitems;
- if (ring->tail == ring->head)
+ dist1 = ((ring->nitems + msg->elt_index) - head) % ring->nitems;
+ if (tail == head)
dist2 = (ring->cursize == 0) ? 0 : ring->nitems;
else
- dist2 = ((ring->nitems + ring->tail) - ring->head) % ring->nitems;
+ dist2 = ((ring->nitems + tail) - head) % ring->nitems;
return (dist1 < dist2);
}
diff --git a/src/svm/message_queue.h b/src/svm/message_queue.h
index e4a5f07d480..4c16c97ca7c 100644
--- a/src/svm/message_queue.h
+++ b/src/svm/message_queue.h
@@ -22,6 +22,7 @@
#include <vppinfra/clib.h>
#include <vppinfra/error.h>
+#include <vppinfra/time.h>
#include <svm/queue.h>
typedef struct svm_msg_q_ring_
@@ -274,12 +275,6 @@ svm_msg_q_lock (svm_msg_q_t * mq)
return pthread_mutex_lock (&mq->q->mutex);
}
-static inline void
-svm_msg_q_wait (svm_msg_q_t * mq)
-{
- pthread_cond_wait (&mq->q->condvar, &mq->q->mutex);
-}
-
/**
* Unlock message queue
*/
@@ -292,6 +287,37 @@ svm_msg_q_unlock (svm_msg_q_t * mq)
pthread_mutex_unlock (&mq->q->mutex);
}
+/**
+ * Wait for message queue event
+ *
+ * Must be called with mutex held
+ */
+static inline void
+svm_msg_q_wait (svm_msg_q_t * mq)
+{
+ pthread_cond_wait (&mq->q->condvar, &mq->q->mutex);
+}
+
+/**
+ * Timed wait for message queue event
+ *
+ * Must be called with mutex held.
+ *
+ * @param mq message queue
+ * @param timeout time in seconds
+ */
+static inline int
+svm_msg_q_timedwait (svm_msg_q_t * mq, double timeout)
+{
+ struct timespec ts;
+
+ ts.tv_sec = unix_time_now () + (u32) timeout;
+ ts.tv_nsec = (timeout - (u32) timeout) * 1e9;
+ if (pthread_cond_timedwait (&mq->q->condvar, &mq->q->mutex, &ts))
+ return -1;
+ return 0;
+}
+
#endif /* SRC_SVM_MESSAGE_QUEUE_H_ */
/*
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index 47df22547ac..018827e0343 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -179,7 +179,7 @@ format_svm_fifo (u8 * s, va_list * args)
if (verbose > 1)
s = format
- (s, " server session %d thread %d client session %d thread %d\n",
+ (s, " vpp session %d thread %d app session %d thread %d\n",
f->master_session_index, f->master_thread_index,
f->client_session_index, f->client_thread_index);
diff --git a/src/vcl/ldp.c b/src/vcl/ldp.c
index ce243df1c96..c26c460bec8 100644
--- a/src/vcl/ldp.c
+++ b/src/vcl/ldp.c
@@ -3171,7 +3171,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events,
return -1;
}
- time_to_wait = ((timeout >= 0) ? (double) timeout / (double) 1000 : 0);
+ time_to_wait = ((timeout >= 0) ? (double) timeout : 0);
time_out = clib_time_now (&ldp->clib_time) + time_to_wait;
func_str = "vppcom_session_attr[GET_LIBC_EPFD]";
diff --git a/src/vcl/sock_test_client.c b/src/vcl/sock_test_client.c
index e88b2b91b9d..15616768cdd 100644
--- a/src/vcl/sock_test_client.c
+++ b/src/vcl/sock_test_client.c
@@ -455,10 +455,9 @@ stream_test_client (sock_test_t test)
if (FD_ISSET (tsock->fd, wfdset) &&
(tsock->stats.tx_bytes < ctrl->cfg.total_bytes))
{
- tx_bytes =
- sock_test_write (tsock->fd, (uint8_t *) tsock->txbuf,
- ctrl->cfg.txbuf_size, &tsock->stats,
- ctrl->cfg.verbose);
+ tx_bytes = sock_test_write (tsock->fd, (uint8_t *) tsock->txbuf,
+ ctrl->cfg.txbuf_size, &tsock->stats,
+ ctrl->cfg.verbose);
if (tx_bytes < 0)
{
fprintf (stderr, "\nCLIENT: ERROR: sock_test_write(%d) "
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index ca65782e9c6..0201cd82966 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -33,7 +33,7 @@
#include <vpp/api/vpe_all_api_h.h>
#undef vl_printfun
-static u8 *
+u8 *
format_api_error (u8 * s, va_list * args)
{
i32 error = va_arg (*args, u32);
@@ -350,8 +350,8 @@ done:
session->vpp_handle = mp->handle;
session->transport.is_ip4 = mp->lcl_is_ip4;
- session->transport.lcl_ip = to_ip46 (mp->lcl_is_ip4 ? IP46_TYPE_IP4 :
- IP46_TYPE_IP6, mp->lcl_ip);
+ clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
+ sizeof (ip46_address_t));
session->transport.lcl_port = mp->lcl_port;
vppcom_session_table_add_listener (mp->handle, session_index);
session->session_state = STATE_LISTEN;
@@ -435,8 +435,7 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
session->session_state = STATE_ACCEPT;
session->transport.rmt_port = mp->port;
session->transport.is_ip4 = mp->is_ip4;
- session->transport.rmt_ip = to_ip46 (mp->is_ip4 ? IP46_TYPE_IP4 :
- IP46_TYPE_IP6, mp->ip);
+ clib_memcpy (&session->transport.rmt_ip, mp->ip, sizeof (ip46_address_t));
/* Add it to lookup table */
hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
@@ -533,7 +532,8 @@ vppcom_app_send_attach (void)
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);
+ (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0) |
+ APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
bmp->options[APP_OPTIONS_PROXY_TRANSPORT] =
(u64) ((vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
(vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0));
diff --git a/src/vcl/vcl_cfg.c b/src/vcl/vcl_cfg.c
index f25c8fc033a..279a975719e 100644
--- a/src/vcl/vcl_cfg.c
+++ b/src/vcl/vcl_cfg.c
@@ -29,8 +29,6 @@ vppcom_main_t *vcm = &_vppcom_main;
void
vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
{
- char *env_var_str;
-
ASSERT (vcl_cfg);
vcl_cfg->heapsize = (256ULL << 20);
@@ -48,24 +46,11 @@ vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
vcl_cfg->accept_timeout = 60.0;
vcl_cfg->event_ring_size = (128 << 10);
vcl_cfg->event_log_path = "/dev/shm";
-
- env_var_str = getenv (VPPCOM_ENV_DEBUG);
- if (env_var_str)
- {
- u32 tmp;
- if (sscanf (env_var_str, "%u", &tmp) != 1)
- clib_warning ("VCL<%d>: WARNING: Invalid debug level specified in the"
- " environment variable " VPPCOM_ENV_DEBUG " (%s)!\n",
- getpid (), env_var_str);
- else
- {
- vcm->debug = tmp;
- VDBG (0, "VCL<%d>: configured VCL debug level (%u) from "
- VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
- }
- }
}
+#define VCL_CFG_DBG(_lvl, _fmt, _args...) \
+ if (vcm->debug > _lvl) \
+ fprintf (stderr, _fmt, ##_args)
void
vppcom_cfg_heapsize (char *conf_fname)
{
@@ -85,16 +70,17 @@ vppcom_cfg_heapsize (char *conf_fname)
fp = fopen (conf_fname, "r");
if (fp == NULL)
{
- VDBG (0, "VCL<%d>: using default heapsize %lld (0x%llx)", getpid (),
- vcl_cfg->heapsize, vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: using default heapsize %lu (0x%lx)",
+ getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
argv = calloc (1, sizeof (char *));
if (argv == NULL)
{
- VDBG (0, "VCL<%d>: calloc failed, using default heapsize %lld (0x%llx)",
- getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: calloc failed, using default heapsize %lu"
+ " (0x%lx)", getpid (), vcl_cfg->heapsize,
+ vcl_cfg->heapsize);
goto defaulted;
}
@@ -111,18 +97,18 @@ vppcom_cfg_heapsize (char *conf_fname)
char **tmp = realloc (argv, argc * sizeof (char *));
if (tmp == NULL)
{
- VDBG (0, "VCL<%d>: realloc failed, using default heapsize %lld "
- "(0x%llx)", getpid (), vcl_cfg->heapsize,
- vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: realloc failed, using default "
+ "heapsize %lu (0x%lx)", getpid (),
+ vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
argv = tmp;
arg = strndup (p, 1024);
if (arg == NULL)
{
- VDBG (0, "VCL<%d>: strndup failed, using default heapsize %lld "
- "(0x%llx)", getpid (), vcl_cfg->heapsize,
- vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: strndup failed, using default "
+ "heapsize %ld (0x%lx)", getpid (),
+ vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
argv[argc - 1] = arg;
@@ -136,8 +122,9 @@ vppcom_cfg_heapsize (char *conf_fname)
char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
if (tmp == NULL)
{
- VDBG (0, "VCL<%d>: realloc failed, using default heapsize %lld "
- "(0x%llx)", getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: realloc failed, using default heapsize %ld "
+ "(0x%lx)", getpid (), vcl_cfg->heapsize,
+ vcl_cfg->heapsize);
goto defaulted;
}
argv = tmp;
@@ -163,9 +150,9 @@ vppcom_cfg_heapsize (char *conf_fname)
}
if (size == 0)
{
- VDBG (0, "VCL<%d>: parse error '%s %s', using default "
- "heapsize %lld (0x%llx)", getpid (), argv[i], argv[i + 1],
- vcl_cfg->heapsize, vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: parse error '%s %s', using default "
+ "heapsize %ld (0x%lx)", getpid (), argv[i],
+ argv[i + 1], vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
@@ -175,9 +162,9 @@ vppcom_cfg_heapsize (char *conf_fname)
vcl_cfg->heapsize = size << 20;
else
{
- VDBG (0, "VCL<%d>: parse error '%s %s', using default "
- "heapsize %lld (0x%llx)", getpid (), argv[i], argv[i + 1],
- vcl_cfg->heapsize, vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: parse error '%s %s', using default "
+ "heapsize %ld (0x%lx)", getpid (), argv[i],
+ argv[i + 1], vcl_cfg->heapsize, vcl_cfg->heapsize);
goto defaulted;
}
}
@@ -193,17 +180,17 @@ defaulted:
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
if (vcl_mem == MAP_FAILED)
{
- clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
- "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
- "-1, 0) failed!",
- getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
+ VCL_CFG_DBG (0, "VCL<%d>: ERROR: mmap(0, %ld == 0x%lx, "
+ "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
+ "-1, 0) failed!", getpid (), vcl_cfg->heapsize,
+ vcl_cfg->heapsize);
ASSERT (vcl_mem != MAP_FAILED);
return;
}
heap = clib_mem_init_thread_safe (vcl_mem, vcl_cfg->heapsize);
if (!heap)
{
- clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
+ fprintf (stderr, "VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
ASSERT (heap);
return;
}
diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index aba4839f129..327a7fc02fe 100644
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -58,6 +58,7 @@ typedef enum
#define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_CLOSE_ON_EMPTY)
#define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_CLOSE_ON_EMPTY)
+#define STATE_OPEN (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)
typedef struct epoll_event vppcom_epoll_event_t;
@@ -78,6 +79,15 @@ typedef struct
ip46_address_t ip46;
} vppcom_ip46_t;
+typedef struct vcl_session_msg
+{
+ u32 next;
+ union
+ {
+ session_accepted_msg_t accepted_msg;
+ };
+} vcl_session_msg_t;
+
enum
{
VCL_SESS_ATTR_SERVER,
@@ -130,9 +140,11 @@ typedef struct
u32 wait_cont_idx;
vppcom_epoll_t vep;
int libc_epfd;
- u64 client_queue_address;
+ svm_msg_q_t *our_evt_q;
+ u32 ct_registration;
u64 options[16];
vce_event_handler_reg_t *poll_reg;
+ vcl_session_msg_t *accept_evts_fifo;
#if VCL_ELOG
elog_track_t elog_track;
#endif
@@ -166,6 +178,12 @@ typedef struct vppcom_cfg_t_
void vppcom_cfg (vppcom_cfg_t * vcl_cfg);
+typedef struct vcl_cut_through_registration_
+{
+ svm_msg_q_t *mq;
+ u32 sid;
+} vcl_cut_through_registration_t;
+
typedef struct vppcom_main_t_
{
u8 init;
@@ -213,6 +231,12 @@ typedef struct vppcom_main_t_
/* IO thread */
vppcom_session_io_thread_t session_io_thread;
+ /* pool of ctrl msgs */
+ vcl_session_msg_t *ctrl_evt_pool;
+
+ /** Pool of cut through registrations */
+ vcl_cut_through_registration_t *cut_through_registrations;
+
#ifdef VCL_ELOG
/* VPP Event-logger */
elog_main_t elog_main;
@@ -255,6 +279,40 @@ do { \
#define VCL_EVENTS_UNLOCK() \
clib_spinlock_unlock (&(vcm->event_thread.events_lockp))
+#define VCL_INVALID_SESSION_INDEX ((u32)~0)
+
+static inline vcl_session_t *
+vcl_session_get (u32 session_index)
+{
+ if (pool_is_free_index (vcm->sessions, session_index))
+ return 0;
+ return pool_elt_at_index (vcm->sessions, session_index);
+}
+
+static inline u32
+vcl_session_index (vcl_session_t * s)
+{
+ return (s - vcm->sessions);
+}
+
+static inline vcl_session_t *
+vcl_session_get_w_handle (u64 handle)
+{
+ uword *p;
+ if ((p = hash_get (vcm->session_index_by_vpp_handles, handle)))
+ return vcl_session_get ((u32) p[0]);
+ return 0;
+}
+
+static inline u32
+vcl_session_get_index_from_handle (u64 handle)
+{
+ uword *p;
+ if ((p = hash_get (vcm->session_index_by_vpp_handles, handle)))
+ return p[0];
+ return VCL_INVALID_SESSION_INDEX;
+}
+
static inline int
vppcom_session_at_index (u32 session_index, vcl_session_t * volatile *sess)
{
@@ -326,6 +384,8 @@ void vppcom_send_accept_session_reply (u64 handle, u32 context, int retval);
u32 vcl_max_nsid_len (void);
+u8 *format_api_error (u8 * s, va_list * args);
+
#endif /* SRC_VCL_VCL_PRIVATE_H_ */
/*
diff --git a/src/vcl/vcl_test.h b/src/vcl/vcl_test.h
index 0f3bd2d3a40..bdfb89c08a2 100644
--- a/src/vcl/vcl_test.h
+++ b/src/vcl/vcl_test.h
@@ -102,11 +102,6 @@ vcl_test_write (int fd, uint8_t *buf, uint32_t nbytes,
nbytes_left = nbytes_left - rv;
if (stats)
stats->tx_incomp++;
- if (verbose)
- {
- printf ("SOCK_TEST: WARNING: bytes written (%d) "
- "!= bytes to write (%d)!\n", tx_bytes, nbytes);
- }
}
} while (tx_bytes != nbytes);
diff --git a/src/vcl/vcl_test_client.c b/src/vcl/vcl_test_client.c
index af3e01dbb20..a34648bac42 100644
--- a/src/vcl/vcl_test_client.c
+++ b/src/vcl/vcl_test_client.c
@@ -166,13 +166,13 @@ echo_test_client ()
(tsock->stats.stop.tv_nsec == 0)))
continue;
- if (FD_ISSET (tsock->fd, wfdset) &&
- (tsock->stats.tx_bytes < ctrl->cfg.total_bytes))
+ if (FD_ISSET (tsock->fd, wfdset)
+ && (tsock->stats.tx_bytes < ctrl->cfg.total_bytes))
{
- tx_bytes =
- vcl_test_write (tsock->fd, (uint8_t *) tsock->txbuf, nbytes,
- &tsock->stats, ctrl->cfg.verbose);
+ tx_bytes = vcl_test_write (tsock->fd, (uint8_t *) tsock->txbuf,
+ nbytes, &tsock->stats,
+ ctrl->cfg.verbose);
if (tx_bytes < 0)
{
fprintf (stderr, "\nCLIENT: ERROR: vcl_test_write(%d) "
@@ -180,16 +180,13 @@ echo_test_client ()
return;
}
- printf ("CLIENT (fd %d): TX (%d bytes) - '%s'\n",
- tsock->fd, tx_bytes, tsock->txbuf);
}
if ((FD_ISSET (tsock->fd, rfdset)) &&
(tsock->stats.rx_bytes < ctrl->cfg.total_bytes))
{
- rx_bytes =
- vcl_test_read (tsock->fd, (uint8_t *) tsock->rxbuf,
- nbytes, &tsock->stats);
+ rx_bytes = vcl_test_read (tsock->fd, (uint8_t *) tsock->rxbuf,
+ nbytes, &tsock->stats);
if (rx_bytes > 0)
{
printf ("CLIENT (fd %d): RX (%d bytes) - '%s'\n",
@@ -338,13 +335,12 @@ stream_test_client (sock_test_t test)
tsock->rxbuf_size, &tsock->stats);
}
- if (FD_ISSET (tsock->fd, wfdset) &&
- (tsock->stats.tx_bytes < ctrl->cfg.total_bytes))
+ if (FD_ISSET (tsock->fd, wfdset)
+ && (tsock->stats.tx_bytes < ctrl->cfg.total_bytes))
{
- tx_bytes =
- vcl_test_write (tsock->fd, (uint8_t *) tsock->txbuf,
- ctrl->cfg.txbuf_size, &tsock->stats,
- ctrl->cfg.verbose);
+ tx_bytes = vcl_test_write (tsock->fd, (uint8_t *) tsock->txbuf,
+ ctrl->cfg.txbuf_size, &tsock->stats,
+ ctrl->cfg.verbose);
if (tx_bytes < 0)
{
fprintf (stderr, "\nCLIENT: ERROR: vcl_test_write(%d) "
diff --git a/src/vcl/vcl_test_server.c b/src/vcl/vcl_test_server.c
index 98c36a43f3e..6a2fda0be57 100644
--- a/src/vcl/vcl_test_server.c
+++ b/src/vcl/vcl_test_server.c
@@ -463,7 +463,7 @@ main (int argc, char **argv)
{
int num_ev;
num_ev = vppcom_epoll_wait (ssm->epfd, ssm->wait_events,
- SOCK_SERVER_MAX_EPOLL_EVENTS, 60.0);
+ SOCK_SERVER_MAX_EPOLL_EVENTS, 60000.0);
if (num_ev < 0)
{
errno = -num_ev;
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 60c649d325f..d1c4413b2a8 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -21,6 +21,42 @@
#include <vcl/vcl_debug.h>
#include <vcl/vcl_private.h>
+static u8 not_ready;
+
+void
+sigsegv_signal (int signum)
+{
+ not_ready = 1;
+}
+
+static void
+vcl_wait_for_memory (void *mem)
+{
+ u8 __clib_unused test;
+ if (1 || vcm->debug)
+ {
+ sleep (1);
+ return;
+ }
+ if (signal (SIGSEGV, sigsegv_signal))
+ {
+ perror ("signal()");
+ return;
+ }
+ not_ready = 0;
+
+again:
+ test = *(u8 *) mem;
+ if (not_ready)
+ {
+ not_ready = 0;
+ usleep (1);
+ goto again;
+ }
+
+ signal (SIGSEGV, SIG_DFL);
+}
+
static const char *
vppcom_app_state_str (app_state_t state)
{
@@ -206,6 +242,256 @@ vppcom_wait_for_app_state_change (app_state_t app_state)
return VPPCOM_ETIMEDOUT;
}
+static u32
+vcl_ct_registration_add (svm_msg_q_t * mq, u32 sid)
+{
+ vcl_cut_through_registration_t *cr;
+ pool_get (vcm->cut_through_registrations, cr);
+ cr->mq = mq;
+ cr->sid = sid;
+ return (cr - vcm->cut_through_registrations);
+}
+
+static void
+vcl_ct_registration_del (u32 ct_index)
+{
+ pool_put_index (vcm->cut_through_registrations, ct_index);
+}
+
+static vcl_session_t *
+vcl_ct_session_get_from_fifo (svm_fifo_t * f, u8 type)
+{
+ vcl_session_t *s;
+ s = vcl_session_get (f->client_session_index);
+ if (s)
+ {
+ /* rx fifo */
+ if (type == 0 && s->rx_fifo == f)
+ return s;
+ /* tx fifo */
+ if (type == 1 && s->tx_fifo == f)
+ return s;
+ }
+ s = vcl_session_get (f->master_session_index);
+ if (s)
+ {
+ if (type == 0 && s->rx_fifo == f)
+ return s;
+ if (type == 1 && s->tx_fifo == f)
+ return s;
+ }
+ return 0;
+}
+
+static void
+vcl_send_session_accepted_reply (svm_msg_q_t * mq, u32 context,
+ session_handle_t handle, int retval)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_accepted_reply_msg_t *rmp;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_ACCEPTED_REPLY);
+ rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
+ rmp->handle = handle;
+ rmp->context = context;
+ rmp->retval = retval;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static u32
+vcl_session_accepted_handler (session_accepted_msg_t * mp)
+{
+ vcl_session_t *session, *listen_session;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ u32 session_index;
+
+ VCL_SESSION_LOCK ();
+
+ listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
+ if (!listen_session)
+ {
+ svm_msg_q_t *evt_q;
+ evt_q = uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
+ clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
+ "unknown vpp listener handle %llx",
+ getpid (), mp->listener_handle);
+ vcl_send_session_accepted_reply (evt_q, mp->context, mp->handle,
+ VNET_API_ERROR_INVALID_ARGUMENT);
+ return VCL_INVALID_SESSION_INDEX;
+ }
+
+ pool_get (vcm->sessions, session);
+ memset (session, 0, sizeof (*session));
+ session_index = (u32) (session - vcm->sessions);
+
+ rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
+ tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
+
+ if (mp->server_event_queue_address)
+ {
+ session->vpp_evt_q = uword_to_pointer (mp->client_event_queue_address,
+ svm_msg_q_t *);
+ session->our_evt_q = uword_to_pointer (mp->server_event_queue_address,
+ svm_msg_q_t *);
+ vcl_wait_for_memory (session->vpp_evt_q);
+ session->ct_registration = vcl_ct_registration_add (session->our_evt_q,
+ session_index);
+ rx_fifo->master_session_index = session_index;
+ tx_fifo->master_session_index = session_index;
+ }
+ else
+ {
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+ rx_fifo->client_session_index = session_index;
+ tx_fifo->client_session_index = session_index;
+ }
+
+ session->vpp_handle = mp->handle;
+ session->client_context = mp->context;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+
+ session->session_state = STATE_ACCEPT;
+ session->transport.rmt_port = mp->port;
+ session->transport.is_ip4 = mp->is_ip4;
+ clib_memcpy (&session->transport.rmt_ip, mp->ip, sizeof (ip46_address_t));
+
+ hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
+ session->transport.lcl_port = listen_session->transport.lcl_port;
+ session->transport.lcl_ip = listen_session->transport.lcl_ip;
+
+ VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: client accept request from %s"
+ " address %U port %d queue %p!", getpid (), mp->handle, session_index,
+ mp->is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &mp->ip,
+ mp->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (mp->port), session->vpp_evt_q);
+ vcl_evt (VCL_EVT_ACCEPT, session, listen_session, session_index);
+
+ VCL_SESSION_UNLOCK ();
+ return session_index;
+}
+
+static u32
+vcl_session_connected_handler (session_connected_msg_t * mp)
+{
+ vcl_session_t *session = 0;
+ u32 session_index;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ int rv = VPPCOM_OK;
+
+ session_index = mp->context;
+ VCL_SESSION_LOCK_AND_GET (session_index, &session);
+done:
+ if (mp->retval)
+ {
+ clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
+ "connect failed! %U",
+ getpid (), mp->handle, session_index,
+ format_api_error, ntohl (mp->retval));
+ if (session)
+ {
+ session->session_state = STATE_FAILED;
+ session->vpp_handle = mp->handle;
+ }
+ else
+ {
+ clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
+ "Invalid session index (%u)!",
+ getpid (), mp->handle, session_index);
+ }
+ goto done_unlock;
+ }
+
+ if (rv)
+ goto done_unlock;
+
+ if (mp->client_event_queue_address)
+ {
+ session->vpp_evt_q = uword_to_pointer (mp->server_event_queue_address,
+ svm_msg_q_t *);
+ session->our_evt_q = uword_to_pointer (mp->client_event_queue_address,
+ svm_msg_q_t *);
+ vcl_wait_for_memory (session->vpp_evt_q);
+ session->ct_registration = vcl_ct_registration_add (session->our_evt_q,
+ session_index);
+ }
+ else
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_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->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+ session->vpp_handle = mp->handle;
+ session->transport.is_ip4 = mp->is_ip4;
+ clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
+ sizeof (session->transport.lcl_ip));
+ session->transport.lcl_port = mp->lcl_port;
+ session->session_state = STATE_CONNECT;
+
+ /* Add it to lookup table */
+ hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
+
+ VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded! "
+ "session_rx_fifo %p, refcnt %d, session_tx_fifo %p, refcnt %d",
+ getpid (), mp->handle, session_index, session->rx_fifo,
+ session->rx_fifo->refcnt, session->tx_fifo, session->tx_fifo->refcnt);
+done_unlock:
+ VCL_SESSION_UNLOCK ();
+ return session_index;
+}
+
+int
+vcl_handle_mq_ctrl_event (session_event_t * e)
+{
+ session_accepted_msg_t *accepted_msg;
+ session_disconnected_msg_t *disconnected_msg;
+ vcl_session_msg_t *vcl_msg;
+ vcl_session_t *session;
+ u64 handle;
+ u32 sid;
+
+ switch (e->event_type)
+ {
+ case FIFO_EVENT_APP_RX:
+ clib_warning ("unhandled rx: sid %u (0x%x)",
+ e->fifo->client_session_index,
+ e->fifo->client_session_index);
+ break;
+ case SESSION_CTRL_EVT_ACCEPTED:
+ accepted_msg = (session_accepted_msg_t *) e->data;
+ handle = accepted_msg->listener_handle;
+ session = vppcom_session_table_lookup_listener (handle);
+ if (!session)
+ {
+ clib_warning ("VCL<%d>: ERROR: couldn't find listen session:"
+ "listener handle %llx", getpid (), handle);
+ break;
+ }
+
+ clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
+ vcl_msg->accepted_msg = *accepted_msg;
+ break;
+ case SESSION_CTRL_EVT_CONNECTED:
+ vcl_session_connected_handler ((session_connected_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ disconnected_msg = (session_disconnected_msg_t *) e->data;
+ sid = vcl_session_get_index_from_handle (disconnected_msg->handle);
+ session = vcl_session_get (sid);
+ session->session_state = STATE_DISCONNECT;
+ VDBG (0, "disconnected %u", sid);
+ break;
+ default:
+ clib_warning ("unhandled %u", e->event_type);
+ }
+ return VPPCOM_OK;
+}
+
static inline int
vppcom_wait_for_session_state_change (u32 session_index,
session_state_t state,
@@ -213,6 +499,8 @@ vppcom_wait_for_session_state_change (u32 session_index,
{
f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
vcl_session_t *volatile session;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
int rv;
do
@@ -234,8 +522,13 @@ vppcom_wait_for_session_state_change (u32 session_index,
VCL_SESSION_UNLOCK ();
return VPPCOM_ECONNREFUSED;
}
-
VCL_SESSION_UNLOCK ();
+
+ if (svm_msg_q_sub (vcm->app_event_queue, &msg, SVM_Q_NOWAIT, 0))
+ continue;
+ e = svm_msg_q_msg_data (vcm->app_event_queue, &msg);
+ vcl_handle_mq_ctrl_event (e);
+ svm_msg_q_free_msg (vcm->app_event_queue, &msg);
}
while (clib_time_now (&vcm->clib_time) < timeout);
@@ -334,25 +627,17 @@ vppcom_session_disconnect (u32 session_index)
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 */ );
+ 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
{
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);
}
@@ -564,7 +849,6 @@ vppcom_session_close (uint32_t session_index)
getpid (), vpp_handle, session_index,
rv, vppcom_retval_str (rv));
}
-
else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
{
rv = vppcom_session_disconnect (session_index);
@@ -577,6 +861,9 @@ vppcom_session_close (uint32_t session_index)
}
VCL_SESSION_LOCK_AND_GET (session_index, &session);
+ if (session->our_evt_q)
+ vcl_ct_registration_del (session->ct_registration);
+
vpp_handle = session->vpp_handle;
if (vpp_handle != ~0)
{
@@ -625,8 +912,12 @@ vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
}
session->transport.is_ip4 = ep->is_ip4;
- session->transport.lcl_ip = to_ip46 (ep->is_ip4 ? IP46_TYPE_IP4 :
- IP46_TYPE_IP6, ep->ip);
+ if (ep->is_ip4)
+ clib_memcpy (&session->transport.lcl_ip.ip4, ep->ip,
+ sizeof (ip4_address_t));
+ else
+ clib_memcpy (&session->transport.lcl_ip.ip6, ep->ip,
+ sizeof (ip6_address_t));
session->transport.lcl_port = ep->port;
VDBG (0, "VCL<%d>: sid %u: binding to local %s address %U port %u, "
@@ -678,9 +969,9 @@ vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
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);
+ retval = vppcom_wait_for_session_state_change (listen_session_index,
+ STATE_LISTEN,
+ vcm->cfg.session_timeout);
VCL_SESSION_LOCK_AND_GET (listen_session_index, &listen_session);
if (PREDICT_FALSE (retval))
@@ -693,10 +984,6 @@ vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
goto done;
}
- VCL_ACCEPT_FIFO_LOCK ();
- clib_fifo_validate (vcm->client_session_index_fifo, q_len);
- VCL_ACCEPT_FIFO_UNLOCK ();
-
VCL_SESSION_UNLOCK ();
done:
@@ -732,101 +1019,67 @@ int
vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
uint32_t flags)
{
+ session_accepted_msg_t accepted_msg;
vcl_session_t *listen_session = 0;
vcl_session_t *client_session = 0;
u32 client_session_index = ~0;
- int rv;
+ svm_msg_q_t *vpp_evt_q;
+ vcl_session_msg_t *evt;
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;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
+ u8 is_nonblocking;
+ int rv;
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)
+ if (validate_args_session_accept_ (listen_session))
{
VCL_SESSION_UNLOCK ();
goto done;
}
- /* 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 (&reg->handler_lock);
- while (!ev)
- {
- VCL_EVENTS_UNLOCK ();
- rv = pthread_cond_timedwait (&reg->handler_cond,
- &reg->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 ();
-
- /* Remove from the FIFO used to service epoll */
- VCL_ACCEPT_FIFO_LOCK ();
- if (clib_fifo_elts (vcm->client_session_index_fifo))
- {
- u32 tmp_client_session_index;
- clib_fifo_sub1 (vcm->client_session_index_fifo,
- tmp_client_session_index);
- /* It wasn't ours... put it back ... */
- if (tmp_client_session_index != client_session_index)
- clib_fifo_add1 (vcm->client_session_index_fifo,
- tmp_client_session_index);
- }
- VCL_ACCEPT_FIFO_UNLOCK ();
+ if (clib_fifo_elts (listen_session->accept_evts_fifo))
+ {
+ clib_fifo_sub2 (listen_session->accept_evts_fifo, evt);
+ accepted_msg = evt->accepted_msg;
+ goto handle;
+ }
- VCL_SESSION_LOCK ();
+ is_nonblocking = VCL_SESS_ATTR_TEST (listen_session->attr,
+ VCL_SESS_ATTR_NONBLOCK);
+ if (svm_msg_q_is_empty (vcm->app_event_queue) && is_nonblocking)
+ return VPPCOM_EAGAIN;
- rv = vppcom_session_at_index (client_session_index, &client_session);
- if (PREDICT_FALSE (rv))
+ while (1)
{
- 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;
+ if (svm_msg_q_sub (vcm->app_event_queue, &msg, SVM_Q_WAIT, 0))
+ return VPPCOM_EAGAIN;
+
+ e = svm_msg_q_msg_data (vcm->app_event_queue, &msg);
+ if (e->event_type != SESSION_CTRL_EVT_ACCEPTED)
+ {
+ clib_warning ("discarded event: %u", e->event_type);
+ svm_msg_q_free_msg (vcm->app_event_queue, &msg);
+ continue;
+ }
+ clib_memcpy (&accepted_msg, e->data, sizeof (accepted_msg));
+ svm_msg_q_free_msg (vcm->app_event_queue, &msg);
+ break;
}
+handle:
+
+ client_session_index = vcl_session_accepted_handler (&accepted_msg);
+ VCL_SESSION_LOCK_AND_GET (client_session_index, &client_session);
+ rv = client_session_index;
+
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);
+ listen_vpp_handle = listen_session->vpp_handle;
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,
@@ -846,46 +1099,31 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
sizeof (ip6_address_t));
}
- vppcom_send_accept_session_reply (client_session->vpp_handle,
- client_session->client_context,
- 0 /* retval OK */ );
+ if (accepted_msg.server_event_queue_address)
+ vpp_evt_q = uword_to_pointer (accepted_msg.vpp_event_queue_address,
+ svm_msg_q_t *);
+ else
+ vpp_evt_q = client_session->vpp_evt_q;
+ vcl_send_session_accepted_reply (vpp_evt_q, client_session->client_context,
+ client_session->vpp_handle, 0);
- 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,
+ 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,
+ 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,
+ 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 (&reg->handler_lock);
-
done:
return rv;
}
@@ -947,9 +1185,8 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
vppcom_send_connect_sock (session, session_index);
VCL_SESSION_UNLOCK ();
- retval =
- vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
- vcm->cfg.session_timeout);
+ 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;
@@ -978,29 +1215,32 @@ done:
return rv;
}
+static u8
+vcl_is_rx_evt_for_session (session_event_t * e, u32 sid, u8 is_ct)
+{
+ if (!is_ct)
+ return (e->event_type == FIFO_EVENT_APP_RX
+ && e->fifo->client_session_index == sid);
+ else
+ return (e->event_type == SESSION_IO_EVT_CT_TX);
+}
+
static inline int
vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
u8 peek)
{
+ int n_read = 0, rv, is_nonblocking;
vcl_session_t *session = 0;
svm_fifo_t *rx_fifo;
- int n_read = 0;
- int rv;
- int is_nonblocking;
-
- u64 vpp_handle;
- u32 poll_et;
- session_state_t state;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
+ svm_msg_q_t *mq;
+ u8 is_full;
ASSERT (buf);
VCL_SESSION_LOCK_AND_GET (session_index, &session);
- 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))
{
VCL_SESSION_UNLOCK ();
@@ -1010,72 +1250,84 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
goto done;
}
- if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
+ is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK);
+ rx_fifo = session->rx_fifo;
+
+ if (PREDICT_FALSE (!(session->session_state & STATE_OPEN)))
{
+ session_state_t state = session->session_state;
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,
+ getpid (), session->vpp_handle, session_index, state,
vppcom_session_state_str (state), rv, vppcom_retval_str (rv));
goto done;
}
VCL_SESSION_UNLOCK ();
+ mq = session->our_evt_q ? session->our_evt_q : vcm->app_event_queue;
+ is_full = svm_fifo_is_full (rx_fifo);
- do
+ if (svm_fifo_is_empty (rx_fifo))
{
- if (peek)
- n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
- else
- n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
- }
- while (!is_nonblocking && (n_read <= 0));
-
- if (n_read <= 0)
- {
- 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)
+ svm_fifo_unset_event (rx_fifo);
+ if (is_nonblocking)
{
- 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;
+ rv = VPPCOM_OK;
+ goto done;
+ }
+ svm_msg_q_lock (mq);
+ while (1)
+ {
+ if (svm_msg_q_is_empty (mq))
+ svm_msg_q_wait (mq);
+ svm_msg_q_sub_w_lock (mq, &msg);
+ e = svm_msg_q_msg_data (mq, &msg);
+ if (!vcl_is_rx_evt_for_session (e, session_index,
+ session->our_evt_q != 0))
+ {
+ vcl_handle_mq_ctrl_event (e);
+ svm_msg_q_free_msg (mq, &msg);
+ continue;
+ }
+ if (svm_fifo_is_empty (rx_fifo))
+ {
+ svm_msg_q_free_msg (mq, &msg);
+ continue;
+ }
+ svm_msg_q_free_msg (mq, &msg);
+ svm_msg_q_unlock (mq);
+ break;
}
- else
- rv = VPPCOM_EAGAIN;
-
- VCL_SESSION_UNLOCK ();
}
+
+ if (peek)
+ n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
else
- rv = n_read;
+ n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
+ ASSERT (n_read > 0);
+ svm_fifo_unset_event (rx_fifo);
+
+ if (session->our_evt_q && is_full)
+ app_send_io_evt_to_vpp (session->vpp_evt_q, rx_fifo, SESSION_IO_EVT_CT_RX,
+ SVM_Q_WAIT);
+
if (VPPCOM_DEBUG > 2)
{
- if (rv > 0)
+ if (n_read > 0)
clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
- "from (%p)", getpid (), vpp_handle,
+ "from (%p)", getpid (), session->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,
+ "returning %d (%s)", getpid (), session->vpp_handle,
session_index, rv, vppcom_retval_str (rv));
}
+ return n_read;
+
done:
return rv;
}
@@ -1093,100 +1345,55 @@ vppcom_session_peek (uint32_t session_index, void *buf, int n)
}
static inline int
-vppcom_session_read_ready (vcl_session_t * session, u32 session_index)
+vppcom_session_read_ready (vcl_session_t * session)
{
- 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 (PREDICT_FALSE (session->is_vep))
{
clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
- "epoll session!", getpid (), session_index);
- rv = VPPCOM_EBADFD;
- goto done;
- }
-
- if (session->session_state & STATE_LISTEN)
- {
- VCL_ACCEPT_FIFO_LOCK ();
- ready = clib_fifo_elts (vcm->client_session_index_fifo);
- VCL_ACCEPT_FIFO_UNLOCK ();
- }
- else
- {
- 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);
+ "epoll session!", getpid (), vcl_session_index (session));
+ return VPPCOM_EBADFD;
}
- if (ready == 0)
+ if (PREDICT_FALSE (!(session->session_state & (STATE_OPEN | STATE_LISTEN))))
{
- poll_et =
- ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
- if (poll_et)
- session->vep.et_mask |= EPOLLIN;
+ session_state_t state = session->session_state;
+ int rv;
- if (state & STATE_CLOSE_ON_EMPTY)
- {
- rv = VPPCOM_ECONNRESET;
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
- 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;
- }
+ VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: session is not open!"
+ " state 0x%x (%s), returning %d (%s)", getpid (),
+ session->vpp_handle, vcl_session_index (session), state,
+ vppcom_session_state_str (state), rv, vppcom_retval_str (rv));
+ return rv;
}
- rv = 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;
+ if (session->session_state & STATE_LISTEN)
+ return clib_fifo_elts (session->accept_evts_fifo);
- 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);
- }
+ return svm_fifo_max_dequeue (session->rx_fifo);
+}
- pthread_mutex_unlock (&vcm->app_event_queue->q->mutex);
- }
-done:
- return rv;
+static u8
+vcl_is_tx_evt_for_session (session_event_t * e, u32 sid, u8 is_ct)
+{
+ if (!is_ct)
+ return (e->event_type == FIFO_EVENT_APP_TX
+ && e->fifo->client_session_index == sid);
+ else
+ return (e->event_type == SESSION_IO_EVT_CT_RX);
}
int
vppcom_session_write (uint32_t session_index, void *buf, size_t n)
{
+ int rv, n_write, is_nonblocking;
vcl_session_t *session = 0;
svm_fifo_t *tx_fifo = 0;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
svm_msg_q_t *mq;
- session_state_t state;
- int rv, n_write, is_nonblocking;
- u32 poll_et;
- u64 vpp_handle;
ASSERT (buf);
@@ -1194,105 +1401,98 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n)
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))
{
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);
+ getpid (), session->vpp_handle, session_index);
rv = VPPCOM_EBADFD;
goto done;
}
- if (!(session->session_state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
+ if (!(session->session_state & STATE_OPEN))
{
- rv =
- ((session->session_state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
- VPPCOM_ENOTCONN);
-
+ session_state_t state = session->session_state;
+ rv = ((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,
+ getpid (), session->vpp_handle, session_index,
state, vppcom_session_state_str (state));
goto done;
}
VCL_SESSION_UNLOCK ();
- do
+ mq = session->our_evt_q ? session->our_evt_q : vcm->app_event_queue;
+ if (svm_fifo_is_full (tx_fifo))
{
- n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
+ if (is_nonblocking)
+ {
+ rv = VPPCOM_EWOULDBLOCK;
+ goto done;
+ }
+ svm_msg_q_lock (mq);
+ while (1)
+ {
+ if (!svm_fifo_is_full (tx_fifo))
+ {
+ svm_msg_q_unlock (mq);
+ break;
+ }
+ if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 10e-6))
+ continue;
+ svm_msg_q_sub_w_lock (mq, &msg);
+ e = svm_msg_q_msg_data (mq, &msg);
+ if (!vcl_is_tx_evt_for_session (e, session_index,
+ session->our_evt_q != 0))
+ {
+ vcl_handle_mq_ctrl_event (e);
+ svm_msg_q_free_msg (mq, &msg);
+ continue;
+ }
+ if (svm_fifo_is_full (tx_fifo))
+ {
+ svm_msg_q_free_msg (mq, &msg);
+ continue;
+ }
+ svm_msg_q_free_msg (mq, &msg);
+ svm_msg_q_unlock (mq);
+ break;
+ }
}
- while (!is_nonblocking && (n_write <= 0));
- /* 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. */
+ n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
+ ASSERT (n_write > 0);
- if ((n_write > 0) && svm_fifo_set_event (tx_fifo))
+ if (svm_fifo_set_event (tx_fifo))
{
- /* Send TX event to vpp */
+ session_evt_type_t et;
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);
+ et = session->our_evt_q ? SESSION_IO_EVT_CT_TX : FIFO_EVENT_APP_TX;
+ app_send_io_evt_to_vpp (session->vpp_evt_q, tx_fifo, et, 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);
- }
-
- if (n_write <= 0)
- {
- VCL_SESSION_LOCK_AND_GET (session_index, &session);
-
- poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
- (EPOLLET | EPOLLOUT));
- if (poll_et)
- session->vep.et_mask |= EPOLLOUT;
-
- if (session->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;
- }
- else
- rv = VPPCOM_EAGAIN;
-
- VCL_SESSION_UNLOCK ();
+ session->vpp_handle, session_index, session->vpp_evt_q, n_write);
}
- else
- rv = n_write;
if (VPPCOM_DEBUG > 2)
{
if (n_write <= 0)
clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
- "FIFO-FULL (%p)", getpid (), vpp_handle,
+ "FIFO-FULL (%p)", getpid (), session->vpp_handle,
session_index, tx_fifo);
else
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);
+ session->vpp_handle, session_index, n_write, tx_fifo);
}
+ return n_write;
+
done:
return rv;
}
@@ -1300,20 +1500,13 @@ done:
static inline int
vppcom_session_write_ready (vcl_session_t * session, u32 session_index)
{
- int ready;
- u32 poll_et;
- int rv;
-
- ASSERT (session);
-
/* Assumes caller has acquired spinlock: vcm->sessions_lockp */
if (PREDICT_FALSE (session->is_vep))
{
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;
+ return VPPCOM_EBADFD;
}
if (PREDICT_FALSE (session->session_state & STATE_LISTEN))
@@ -1321,58 +1514,168 @@ vppcom_session_write_ready (vcl_session_t * session, u32 session_index)
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;
+ return VPPCOM_EBADFD;
}
- if (!(session->session_state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
+ if (PREDICT_FALSE (!(session->session_state & STATE_OPEN)))
{
session_state_t state = session->session_state;
+ int rv;
rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
-
clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
"session is not open! state 0x%x (%s), "
"returning %d (%s)", getpid (), session->vpp_handle,
session_index,
state, vppcom_session_state_str (state),
rv, vppcom_retval_str (rv));
- goto done;
+ return rv;
}
- 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);
+ svm_fifo_max_enqueue (session->tx_fifo));
- if (ready == 0)
+ return svm_fifo_max_enqueue (session->tx_fifo);
+}
+
+static int
+vcl_select_handle_mq (svm_msg_q_t * mq, unsigned long n_bits,
+ unsigned long *read_map, unsigned long *write_map,
+ unsigned long *except_map, double time_to_wait,
+ u32 * bits_set)
+{
+ session_disconnected_msg_t *disconnected_msg;
+ session_accepted_msg_t *accepted_msg;
+ vcl_session_msg_t *vcl_msg;
+ vcl_session_t *session;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
+ u32 n_msgs, i, sid;
+ u64 handle;
+
+ svm_msg_q_lock (mq);
+ if (svm_msg_q_is_empty (mq))
{
- poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
- (EPOLLET | EPOLLOUT));
- if (poll_et)
- session->vep.et_mask |= EPOLLOUT;
+ if (*bits_set)
+ {
+ svm_msg_q_unlock (mq);
+ return 0;
+ }
- if (session->session_state & STATE_CLOSE_ON_EMPTY)
+ if (!time_to_wait)
+ {
+ svm_msg_q_unlock (mq);
+ return 0;
+ }
+ else if (time_to_wait < 0)
{
- rv = VPPCOM_ECONNRESET;
+ svm_msg_q_wait (mq);
+ }
+ else
+ {
+ if (svm_msg_q_timedwait (mq, time_to_wait))
+ {
+ svm_msg_q_unlock (mq);
+ return 0;
+ }
+ }
+ }
+ svm_msg_q_unlock (mq);
- 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;
+ n_msgs = svm_msg_q_size (mq);
+ for (i = 0; i < n_msgs; i++)
+ {
+ if (svm_msg_q_sub (mq, &msg, SVM_Q_WAIT, 0))
+ {
+ clib_warning ("message queue returned");
+ continue;
+ }
+ e = svm_msg_q_msg_data (mq, &msg);
+ switch (e->event_type)
+ {
+ case FIFO_EVENT_APP_RX:
+ sid = e->fifo->client_session_index;
+ session = vcl_session_get (sid);
+ if (!session || svm_fifo_is_empty (session->rx_fifo))
+ break;
+ if (sid < n_bits && read_map)
+ {
+ clib_bitmap_set_no_check (read_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
+ case FIFO_EVENT_APP_TX:
+ sid = e->fifo->client_session_index;
+ session = vcl_session_get (sid);
+ if (!session || svm_fifo_is_full (session->tx_fifo))
+ break;
+ if (sid < n_bits && write_map)
+ {
+ clib_bitmap_set_no_check (write_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
+ case SESSION_IO_EVT_CT_TX:
+ session = vcl_ct_session_get_from_fifo (e->fifo, 0);
+ sid = vcl_session_index (session);
+ if (!session || svm_fifo_is_empty (session->rx_fifo))
+ break;
+ if (sid < n_bits && read_map)
+ {
+ clib_bitmap_set_no_check (read_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
+ break;
+ case SESSION_IO_EVT_CT_RX:
+ session = vcl_ct_session_get_from_fifo (e->fifo, 1);
+ sid = vcl_session_index (session);
+ if (!session || svm_fifo_is_full (session->tx_fifo))
+ break;
+ if (sid < n_bits && write_map)
+ {
+ clib_bitmap_set_no_check (write_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
+ case SESSION_CTRL_EVT_ACCEPTED:
+ accepted_msg = (session_accepted_msg_t *) e->data;
+ handle = accepted_msg->listener_handle;
+ session = vppcom_session_table_lookup_listener (handle);
+ if (!session)
+ {
+ clib_warning ("VCL<%d>: ERROR: couldn't find listen session:"
+ "listener handle %llx", getpid (), handle);
+ break;
+ }
+
+ clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
+ vcl_msg->accepted_msg = *accepted_msg;
+ sid = session - vcm->sessions;
+ if (sid < n_bits && read_map)
+ {
+ clib_bitmap_set_no_check (read_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ disconnected_msg = (session_disconnected_msg_t *) e->data;
+ sid = vcl_session_get_index_from_handle (disconnected_msg->handle);
+ if (sid < n_bits && except_map)
+ {
+ clib_bitmap_set_no_check (except_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
+ default:
+ clib_warning ("unhandled: %u", e->event_type);
+ break;
}
+ svm_msg_q_free_msg (mq, &msg);
}
- rv = ready;
-done:
- return rv;
+
+ return *bits_set;
}
int
@@ -1380,11 +1683,11 @@ vppcom_select (unsigned long n_bits, unsigned long *read_map,
unsigned long *write_map, unsigned long *except_map,
double time_to_wait)
{
- u32 session_index;
+ u32 sid, minbits = clib_max (n_bits, BITS (uword)), bits_set = 0;
+ vcl_cut_through_registration_t *cr;
+ double total_wait = 0, wait_slice;
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));
+ int rv;
ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
@@ -1412,124 +1715,74 @@ vppcom_select (unsigned long n_bits, unsigned long *read_map,
vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
}
+ if (!n_bits)
+ return 0;
+
+ if (!write_map)
+ goto check_rd;
+
+ /* *INDENT-OFF* */
+ clib_bitmap_foreach (sid, vcm->wr_bitmap, ({
+ VCL_SESSION_LOCK();
+ if (!(session = vcl_session_get (sid)))
+ {
+ VCL_SESSION_UNLOCK();
+ VDBG (0, "VCL<%d>: session %d specified in write_map is closed.",
+ getpid (), sid);
+ return VPPCOM_EBADFD;
+ }
+
+ rv = svm_fifo_is_full (session->tx_fifo);
+ VCL_SESSION_UNLOCK();
+ if (!rv)
+ {
+ clib_bitmap_set_no_check (write_map, sid, 1);
+ bits_set++;
+ }
+ }));
+
+check_rd:
+ if (!read_map)
+ goto check_mq;
+ clib_bitmap_foreach (sid, vcm->rd_bitmap, ({
+ VCL_SESSION_LOCK();
+ if (!(session = vcl_session_get (sid)))
+ {
+ VCL_SESSION_UNLOCK();
+ VDBG (0, "VCL<%d>: session %d specified in write_map is closed.",
+ getpid (), sid);
+ return VPPCOM_EBADFD;
+ }
+
+ rv = vppcom_session_read_ready (session);
+ VCL_SESSION_UNLOCK();
+ if (rv)
+ {
+ clib_bitmap_set_no_check (read_map, sid, 1);
+ bits_set++;
+ }
+ }));
+ /* *INDENT-ON* */
+
+check_mq:
+ wait_slice = vcm->cut_through_registrations ? 10e-6 : time_to_wait;
do
{
/* *INDENT-OFF* */
- if (n_bits)
- {
- if (read_map)
- {
- clib_bitmap_foreach (session_index, vcm->rd_bitmap,
- ({
- VCL_SESSION_LOCK();
- rv = vppcom_session_at_index (session_index, &session);
- if (rv < 0)
- {
- 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;
- }
- 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))
- {
- clib_bitmap_set_no_check (except_map, session_index, 1);
- bits_set++;
- }
- else if (rv > 0)
- {
- clib_bitmap_set_no_check (read_map, session_index, 1);
- bits_set++;
- }
- }));
- }
-
- if (write_map)
- {
- clib_bitmap_foreach (session_index, vcm->wr_bitmap,
- ({
- VCL_SESSION_LOCK();
- rv = vppcom_session_at_index (session_index, &session);
- if (rv < 0)
- {
- VCL_SESSION_UNLOCK();
- VDBG (0, "VCL<%d>: session %d specified in "
- "write_map is closed.", getpid (),
- session_index);
- bits_set = VPPCOM_EBADFD;
- goto select_done;
- }
-
- rv = vppcom_session_write_ready (session, session_index);
- VCL_SESSION_UNLOCK();
- if (write_map && (rv > 0))
- {
- clib_bitmap_set_no_check (write_map, session_index, 1);
- bits_set++;
- }
- }));
- }
-
- if (except_map)
- {
- clib_bitmap_foreach (session_index, vcm->ex_bitmap,
- ({
- VCL_SESSION_LOCK();
- rv = vppcom_session_at_index (session_index, &session);
- if (rv < 0)
- {
- 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);
- VCL_SESSION_UNLOCK();
- if (rv < 0)
- {
- clib_bitmap_set_no_check (except_map, session_index, 1);
- bits_set++;
- }
- }));
- }
- }
+ pool_foreach (cr, vcm->cut_through_registrations, ({
+ vcl_select_handle_mq (cr->mq, n_bits, read_map, write_map, except_map,
+ 0, &bits_set);
+ }));
/* *INDENT-ON* */
+
+ vcl_select_handle_mq (vcm->app_event_queue, n_bits, read_map, write_map,
+ except_map, time_to_wait, &bits_set);
+ total_wait += wait_slice;
+ if (bits_set)
+ return bits_set;
}
- while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
+ while (total_wait < time_to_wait);
-select_done:
return (bits_set);
}
@@ -1857,193 +2110,230 @@ done:
return rv;
}
-int
-vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
- int maxevents, double wait_for_time)
+static int
+vcl_epoll_wait_handle_mq (svm_msg_q_t * mq, struct epoll_event *events,
+ u32 maxevents, double wait_for_time, u32 * num_ev)
{
- vcl_session_t *vep_session;
- int rv;
- f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
- u32 keep_trying = 1;
- int num_ev = 0;
- u32 vep_next_sid, wait_cont_idx;
- u8 is_vep;
-
- if (PREDICT_FALSE (maxevents <= 0))
- {
- clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
- getpid (), maxevents);
- return VPPCOM_EINVAL;
- }
- memset (events, 0, sizeof (*events) * maxevents);
-
- 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;
- VCL_SESSION_UNLOCK ();
+ session_disconnected_msg_t *disconnected_msg;
+ session_connected_msg_t *connected_msg;
+ session_accepted_msg_t *accepted_msg;
+ u32 sid = ~0, session_events, n_msgs;
+ u64 session_evt_data = ~0, handle;
+ vcl_session_msg_t *vcl_msg;
+ vcl_session_t *session;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
+ u8 add_event;
+ int i;
- if (PREDICT_FALSE (!is_vep))
- {
- 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))
+ svm_msg_q_lock (mq);
+ if (svm_msg_q_is_empty (mq))
{
- VDBG (1, "VCL<%d>: WARNING: vep_idx (%u) is empty!",
- getpid (), vep_idx);
- goto done;
+ if (!wait_for_time)
+ {
+ svm_msg_q_unlock (mq);
+ return 0;
+ }
+ else if (wait_for_time < 0)
+ {
+ svm_msg_q_wait (mq);
+ }
+ else
+ {
+ if (svm_msg_q_timedwait (mq, wait_for_time / 1e3))
+ {
+ svm_msg_q_unlock (mq);
+ return 0;
+ }
+ }
}
+ svm_msg_q_unlock (mq);
- do
+ n_msgs = svm_msg_q_size (mq);
+ for (i = 0; i < n_msgs; i++)
{
- u32 sid;
- u32 next_sid = ~0;
- vcl_session_t *session;
-
- for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
- sid != ~0; sid = next_sid)
+ if (svm_msg_q_sub (mq, &msg, SVM_Q_WAIT, 0))
{
- u32 session_events, et_mask, clear_et_mask, session_vep_idx;
- u8 add_event, is_vep_session;
- int ready;
- u64 session_ev_data;
-
- VCL_SESSION_LOCK_AND_GET (sid, &session);
- next_sid = session->vep.next_sid;
+ clib_warning ("message queue returned");
+ continue;
+ }
+ e = svm_msg_q_msg_data (mq, &msg);
+ add_event = 0;
+ switch (e->event_type)
+ {
+ case FIFO_EVENT_APP_RX:
+ sid = e->fifo->client_session_index;
+ clib_spinlock_lock (&vcm->sessions_lockp);
+ session = vcl_session_get (sid);
session_events = session->vep.ev.events;
- et_mask = session->vep.et_mask;
- is_vep = session->is_vep;
- is_vep_session = session->is_vep_session;
- session_vep_idx = session->vep.vep_idx;
- session_ev_data = session->vep.ev.data.u64;
-
- VCL_SESSION_UNLOCK ();
-
- if (PREDICT_FALSE (is_vep))
+ if ((EPOLLIN & session->vep.ev.events)
+ && !svm_fifo_is_empty (session->rx_fifo))
{
- VDBG (0, "VCL<%d>: ERROR: sid (%u) is a vep!",
- getpid (), vep_idx);
- rv = VPPCOM_EINVAL;
- goto done;
+ add_event = 1;
+ events[*num_ev].events |= EPOLLIN;
+ session_evt_data = session->vep.ev.data.u64;
}
- if (PREDICT_FALSE (!is_vep_session))
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ break;
+ case FIFO_EVENT_APP_TX:
+ sid = e->fifo->client_session_index;
+ clib_spinlock_lock (&vcm->sessions_lockp);
+ session = vcl_session_get (sid);
+ session_events = session->vep.ev.events;
+ if ((EPOLLOUT & session_events)
+ && !svm_fifo_is_full (session->tx_fifo))
{
- VDBG (0, "VCL<%d>: ERROR: session (%u) is not "
- "a vep session!", getpid (), sid);
- rv = VPPCOM_EINVAL;
- goto done;
+ add_event = 1;
+ events[*num_ev].events |= EPOLLOUT;
+ session_evt_data = session->vep.ev.data.u64;
}
- if (PREDICT_FALSE (session_vep_idx != vep_idx))
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ break;
+ case SESSION_IO_EVT_CT_TX:
+ session = vcl_ct_session_get_from_fifo (e->fifo, 0);
+ sid = vcl_session_index (session);
+ session_events = session->vep.ev.events;
+ if ((EPOLLIN & session->vep.ev.events)
+ && !svm_fifo_is_empty (session->rx_fifo))
{
- clib_warning ("VCL<%d>: ERROR: session (%u) "
- "vep_idx (%u) != vep_idx (%u)!",
- getpid (), sid, session_vep_idx, vep_idx);
- rv = VPPCOM_EINVAL;
- goto done;
+ add_event = 1;
+ events[*num_ev].events |= EPOLLIN;
+ session_evt_data = session->vep.ev.data.u64;
}
-
- add_event = clear_et_mask = 0;
-
- if (EPOLLIN & session_events)
+ break;
+ case SESSION_IO_EVT_CT_RX:
+ session = vcl_ct_session_get_from_fifo (e->fifo, 1);
+ sid = vcl_session_index (session);
+ session_events = session->vep.ev.events;
+ if ((EPOLLOUT & session_events)
+ && !svm_fifo_is_full (session->tx_fifo))
{
- VCL_SESSION_LOCK_AND_GET (sid, &session);
- ready = vppcom_session_read_ready (session, sid);
- VCL_SESSION_UNLOCK ();
- if ((ready > 0) && (EPOLLIN & et_mask))
- {
- add_event = 1;
- events[num_ev].events |= EPOLLIN;
- if (((EPOLLET | EPOLLIN) & session_events) ==
- (EPOLLET | EPOLLIN))
- clear_et_mask |= EPOLLIN;
- }
- else if (ready < 0)
- {
- add_event = 1;
- switch (ready)
- {
- case VPPCOM_ECONNRESET:
- events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
- break;
-
- default:
- events[num_ev].events |= EPOLLERR;
- break;
- }
- }
+ add_event = 1;
+ events[*num_ev].events |= EPOLLOUT;
+ session_evt_data = session->vep.ev.data.u64;
}
-
- if (EPOLLOUT & session_events)
+ break;
+ case SESSION_CTRL_EVT_ACCEPTED:
+ accepted_msg = (session_accepted_msg_t *) e->data;
+ handle = accepted_msg->listener_handle;
+ session = vppcom_session_table_lookup_listener (handle);
+ if (!session)
{
- VCL_SESSION_LOCK_AND_GET (sid, &session);
- ready = vppcom_session_write_ready (session, sid);
- VCL_SESSION_UNLOCK ();
- if ((ready > 0) && (EPOLLOUT & et_mask))
- {
- add_event = 1;
- events[num_ev].events |= EPOLLOUT;
- if (((EPOLLET | EPOLLOUT) & session_events) ==
- (EPOLLET | EPOLLOUT))
- clear_et_mask |= EPOLLOUT;
- }
- else if (ready < 0)
- {
- add_event = 1;
- switch (ready)
- {
- case VPPCOM_ECONNRESET:
- events[num_ev].events |= EPOLLHUP;
- break;
-
- default:
- events[num_ev].events |= EPOLLERR;
- break;
- }
- }
+ clib_warning ("VCL<%d>: ERROR: couldn't find listen session:"
+ "listener handle %llx", getpid (), handle);
+ break;
}
- if (add_event)
+ clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
+ vcl_msg->accepted_msg = *accepted_msg;
+ session_events = session->vep.ev.events;
+ if (!(EPOLLIN & session_events))
+ break;
+
+ add_event = 1;
+ events[*num_ev].events |= EPOLLIN;
+ session_evt_data = session->vep.ev.data.u64;
+ break;
+ case SESSION_CTRL_EVT_CONNECTED:
+ connected_msg = (session_connected_msg_t *) e->data;
+ vcl_session_connected_handler (connected_msg);
+ /* Generate EPOLLOUT because there's no connected event */
+ sid = vcl_session_get_index_from_handle (connected_msg->handle);
+ clib_spinlock_lock (&vcm->sessions_lockp);
+ session = vcl_session_get (sid);
+ session_events = session->vep.ev.events;
+ if (EPOLLOUT & session_events)
{
- events[num_ev].data.u64 = session_ev_data;
- if (EPOLLONESHOT & session_events)
- {
- VCL_SESSION_LOCK_AND_GET (sid, &session);
- session->vep.ev.events = 0;
- VCL_SESSION_UNLOCK ();
- }
- num_ev++;
- if (num_ev == maxevents)
- {
- VCL_SESSION_LOCK_AND_GET (vep_idx, &vep_session);
- vep_session->wait_cont_idx = next_sid;
- VCL_SESSION_UNLOCK ();
- goto done;
- }
+ add_event = 1;
+ events[*num_ev].events |= EPOLLOUT;
+ session_evt_data = session->vep.ev.data.u64;
}
- if (wait_cont_idx != ~0)
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ disconnected_msg = (session_disconnected_msg_t *) e->data;
+ sid = vcl_session_get_index_from_handle (disconnected_msg->handle);
+ clib_spinlock_lock (&vcm->sessions_lockp);
+ session = vcl_session_get (sid);
+ add_event = 1;
+ events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
+ session_evt_data = session->vep.ev.data.u64;
+ session_events = session->vep.ev.events;
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ break;
+ default:
+ clib_warning ("unhandled: %u", e->event_type);
+ svm_msg_q_free_msg (mq, &msg);
+ continue;
+ }
+
+ svm_msg_q_free_msg (mq, &msg);
+
+ if (add_event)
+ {
+ events[*num_ev].data.u64 = session_evt_data;
+ if (EPOLLONESHOT & session_events)
{
- if (next_sid == ~0)
- next_sid = vep_next_sid;
- else if (next_sid == wait_cont_idx)
- next_sid = ~0;
+ clib_spinlock_lock (&vcm->sessions_lockp);
+ session = vcl_session_get (sid);
+ session->vep.ev.events = 0;
+ clib_spinlock_unlock (&vcm->sessions_lockp);
}
+ *num_ev += 1;
+ if (*num_ev == maxevents)
+ break;
}
- if (wait_for_time != -1)
- keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
}
- while ((num_ev == 0) && keep_trying);
+ return *num_ev;
+}
- if (wait_cont_idx != ~0)
+int
+vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
+ int maxevents, double wait_for_time)
+{
+ vcl_cut_through_registration_t *cr;
+ vcl_session_t *vep_session;
+ double total_wait = 0, wait_slice;
+ u32 num_ev = 0;
+
+ if (PREDICT_FALSE (maxevents <= 0))
{
- VCL_SESSION_LOCK_AND_GET (vep_idx, &vep_session);
- vep_session->wait_cont_idx = ~0;
- VCL_SESSION_UNLOCK ();
+ clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
+ getpid (), maxevents);
+ return VPPCOM_EINVAL;
}
-done:
- return (rv != VPPCOM_OK) ? rv : num_ev;
+
+ clib_spinlock_lock (&vcm->sessions_lockp);
+ vep_session = vcl_session_get (vep_idx);
+ if (PREDICT_FALSE (!vep_session->is_vep))
+ {
+ clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
+ getpid (), vep_idx);
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+ return VPPCOM_EINVAL;
+ }
+ clib_spinlock_unlock (&vcm->sessions_lockp);
+
+ memset (events, 0, sizeof (*events) * maxevents);
+ wait_slice = vcm->cut_through_registrations ? 10e-6 : wait_for_time;
+
+ do
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (cr, vcm->cut_through_registrations, ({
+ vcl_epoll_wait_handle_mq (cr->mq, events, maxevents, 0, &num_ev);
+ }));
+ /* *INDENT-ON* */
+
+ vcl_epoll_wait_handle_mq (vcm->app_event_queue, events, maxevents,
+ num_ev ? 0 : wait_slice, &num_ev);
+ total_wait += wait_slice;
+ if (num_ev)
+ return num_ev;
+ }
+ while (total_wait < wait_for_time);
+
+ return num_ev;
}
int
@@ -2062,7 +2352,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op,
switch (op)
{
case VPPCOM_ATTR_GET_NREAD:
- rv = vppcom_session_read_ready (session, session_index);
+ rv = vppcom_session_read_ready (session);
VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
getpid (), rv);
break;
@@ -2678,7 +2968,7 @@ vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
if (POLLIN & vp[i].events)
{
VCL_SESSION_LOCK_AND_GET (vp[i].sid, &session);
- rv = vppcom_session_read_ready (session, vp[i].sid);
+ rv = vppcom_session_read_ready (session);
VCL_SESSION_UNLOCK ();
if (rv > 0)
{
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index 4a78b93be40..8d414f6cc77 100644
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -87,6 +87,7 @@ typedef enum
{
VPPCOM_OK = 0,
VPPCOM_EAGAIN = -EAGAIN,
+ VPPCOM_EWOULDBLOCK = -EWOULDBLOCK,
VPPCOM_EFAULT = -EFAULT,
VPPCOM_ENOMEM = -ENOMEM,
VPPCOM_EINVAL = -EINVAL,
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 5f18bd27b2a..806e390d311 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -849,12 +849,11 @@ app_send_io_evt_rx (application_t * app, stream_session_t * s, u8 lock)
return 0;
}
- /* Built-in app? Hand event to the callback... */
if (app->cb_fns.builtin_app_rx_callback)
return app->cb_fns.builtin_app_rx_callback (s);
- /* If no need for event, return */
- if (!svm_fifo_set_event (s->server_rx_fifo))
+ if (svm_fifo_has_event (s->server_rx_fifo)
+ || svm_fifo_is_empty (s->server_rx_fifo))
return 0;
mq = app->event_queue;
@@ -876,7 +875,10 @@ app_send_io_evt_rx (application_t * app, stream_session_t * s, u8 lock)
evt->fifo = s->server_rx_fifo;
evt->event_type = FIFO_EVENT_APP_RX;
- return app_enqueue_evt (mq, &msg, lock);
+ if (app_enqueue_evt (mq, &msg, lock))
+ return -1;
+ svm_fifo_set_event (s->server_rx_fifo);
+ return 0;
}
static inline int
@@ -1081,6 +1083,7 @@ application_local_session_connect (u32 table_index, application_t * client,
{
u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
segment_manager_properties_t *props, *cprops;
+ u32 round_rx_fifo_sz, round_tx_fifo_sz;
int rv, has_transport, seg_index;
svm_fifo_segment_private_t *seg;
segment_manager_t *sm;
@@ -1093,7 +1096,9 @@ application_local_session_connect (u32 table_index, application_t * client,
cprops = application_segment_manager_properties (client);
evt_q_elts = props->evt_q_size + cprops->evt_q_size;
evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
- seg_size = props->rx_fifo_size + props->tx_fifo_size + evt_q_sz + margin;
+ round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
+ round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
+ seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
has_transport = session_has_transport ((stream_session_t *) ll);
if (!has_transport)
diff --git a/src/vnet/session/application_interface.c b/src/vnet/session/application_interface.c
index 9d82a1855a4..c8fa37f0b9d 100644
--- a/src/vnet/session/application_interface.c
+++ b/src/vnet/session/application_interface.c
@@ -598,7 +598,7 @@ vnet_bind (vnet_bind_args_t * a)
{
int rv;
if ((rv = vnet_bind_i (a->app_index, &a->sep, &a->handle)))
- return clib_error_return_code (0, rv, 0, "bind failed");
+ return clib_error_return_code (0, rv, 0, "bind failed: %d", rv);
return 0;
}
@@ -607,7 +607,7 @@ vnet_unbind (vnet_unbind_args_t * a)
{
int rv;
if ((rv = vnet_unbind_i (a->app_index, a->handle)))
- return clib_error_return_code (0, rv, 0, "unbind failed");
+ return clib_error_return_code (0, rv, 0, "unbind failed: %d", rv);
return 0;
}
@@ -618,7 +618,7 @@ vnet_connect (vnet_connect_args_t * a)
int rv;
if ((rv = application_connect (a->app_index, a->api_context, sep)))
- return clib_error_return_code (0, rv, 0, "connect failed");
+ return clib_error_return_code (0, rv, 0, "connect failed: %d", rv);
return 0;
}
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 0aabd380f8f..ffe2a64c245 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -207,17 +207,18 @@ typedef struct session_accepted_msg_
u64 server_tx_fifo;
u64 vpp_event_queue_address;
u64 server_event_queue_address;
+ u64 client_event_queue_address;
u16 port;
u8 is_ip4;
u8 ip[16];
-} session_accepted_msg_t;
+} __clib_packed session_accepted_msg_t;
typedef struct session_accepted_reply_msg_
{
u32 context;
i32 retval;
u64 handle;
-} session_accepted_reply_msg_t;
+} __clib_packed session_accepted_reply_msg_t;
/* Make sure this is not too large, otherwise it won't fit when dequeued in
* the session queue node */
@@ -232,34 +233,35 @@ typedef struct session_connected_msg_
u64 server_tx_fifo;
u64 vpp_event_queue_address;
u64 client_event_queue_address;
+ u64 server_event_queue_address;
u32 segment_size;
u8 segment_name_length;
u8 segment_name[64];
u8 lcl_ip[16];
u8 is_ip4;
u16 lcl_port;
-} session_connected_msg_t;
+} __clib_packed session_connected_msg_t;
typedef struct session_disconnected_msg_
{
u32 client_index;
u32 context;
u64 handle;
-} session_disconnected_msg_t;
+} __clib_packed session_disconnected_msg_t;
typedef struct session_disconnected_reply_msg_
{
u32 context;
i32 retval;
u64 handle;
-} session_disconnected_reply_msg_t;
+} __clib_packed session_disconnected_reply_msg_t;
typedef struct session_reset_msg_
{
u32 client_index;
u32 context;
u64 handle;
-} session_reset_msg_t;
+} __clib_packed session_reset_msg_t;
typedef struct session_reset_reply_msg_
{
@@ -267,13 +269,13 @@ typedef struct session_reset_reply_msg_
u32 context;
i32 retval;
u64 handle;
-} session_reset_reply_msg_t;
+} __clib_packed session_reset_reply_msg_t;
typedef struct app_session_event_
{
svm_msg_q_msg_t msg;
session_event_t *evt;
-} app_session_evt_t;
+} __clib_packed app_session_evt_t;
static inline void
app_alloc_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt,
@@ -337,12 +339,9 @@ app_send_io_evt_to_vpp (svm_msg_q_t * mq, svm_fifo_t * f, u8 evt_type,
else
{
svm_msg_q_lock (mq);
+ while (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING))
+ svm_msg_q_wait (mq);
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- while (svm_msg_q_msg_is_invalid (&msg))
- {
- svm_msg_q_wait (mq);
- msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- }
evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->fifo = f;
evt->event_type = evt_type;
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 897cb1a5a1e..56f885b2aca 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -753,9 +753,10 @@ stream_session_disconnect_notify (transport_connection_t * tc)
stream_session_t *s;
s = session_get (tc->s_index, tc->thread_index);
- server = application_get (s->app_index);
- server->cb_fns.session_disconnect_callback (s);
s->session_state = SESSION_STATE_CLOSING;
+ server = application_get_if_valid (s->app_index);
+ if (server)
+ server->cb_fns.session_disconnect_callback (s);
}
/**
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 19176167b50..99546cb1347 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -37,6 +37,8 @@ typedef enum
FIFO_EVENT_DISCONNECT,
FIFO_EVENT_BUILTIN_RX,
FIFO_EVENT_RPC,
+ SESSION_IO_EVT_CT_TX,
+ SESSION_IO_EVT_CT_RX,
SESSION_CTRL_EVT_ACCEPTED,
SESSION_CTRL_EVT_ACCEPTED_REPLY,
SESSION_CTRL_EVT_CONNECTED,
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 724aff1598d..8585b57b030 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -435,7 +435,9 @@ mq_send_session_accepted_cb (stream_session_t * s)
}
mp->handle = application_local_session_handle (ls);
mp->port = ls->port;
- mp->vpp_event_queue_address = ls->client_evt_q;
+ vpp_queue = session_manager_get_vpp_event_queue (0);
+ mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
+ mp->client_event_queue_address = ls->client_evt_q;
mp->server_event_queue_address = ls->server_evt_q;
}
svm_msg_q_add (app_mq, msg, SVM_Q_WAIT);
@@ -541,8 +543,10 @@ mq_send_session_connected_cb (u32 app_index, u32 api_context,
local_session_t *ls = (local_session_t *) s;
mp->handle = application_local_session_handle (ls);
mp->lcl_port = ls->port;
- mp->vpp_event_queue_address = ls->server_evt_q;
+ vpp_mq = session_manager_get_vpp_event_queue (0);
+ mp->vpp_event_queue_address = pointer_to_uword (vpp_mq);
mp->client_event_queue_address = ls->client_evt_q;
+ mp->server_event_queue_address = ls->server_evt_q;
mp->server_rx_fifo = pointer_to_uword (s->server_tx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->server_rx_fifo);
}
diff --git a/src/vnet/session/session_cli.c b/src/vnet/session/session_cli.c
index 06d98ae01db..3588bbc2f63 100755
--- a/src/vnet/session/session_cli.c
+++ b/src/vnet/session/session_cli.c
@@ -26,14 +26,16 @@ format_stream_session_fifos (u8 * s, va_list * args)
if (!ss->server_rx_fifo || !ss->server_tx_fifo)
return s;
- s = format (s, " Rx fifo: %U", format_svm_fifo, ss->server_rx_fifo, 1);
+ s = format (s, " Rx fifo: %U", format_svm_fifo, ss->server_rx_fifo,
+ verbose);
if (verbose > 2 && ss->server_rx_fifo->has_event)
{
found = session_node_lookup_fifo_event (ss->server_rx_fifo, e);
s = format (s, " session node event: %s\n",
found ? "found" : "not found");
}
- s = format (s, " Tx fifo: %U", format_svm_fifo, ss->server_tx_fifo, 1);
+ s = format (s, " Tx fifo: %U", format_svm_fifo, ss->server_tx_fifo,
+ verbose);
if (verbose > 2 && ss->server_tx_fifo->has_event)
{
found = session_node_lookup_fifo_event (ss->server_tx_fifo, e);
diff --git a/src/vnet/session/session_lookup.c b/src/vnet/session/session_lookup.c
index 3a313526b49..37fccd9d7b7 100644
--- a/src/vnet/session/session_lookup.c
+++ b/src/vnet/session/session_lookup.c
@@ -1299,7 +1299,7 @@ u8 *
format_ip4_session_lookup_kvp (u8 * s, va_list * args)
{
clib_bihash_kv_16_8_t *kvp = va_arg (*args, clib_bihash_kv_16_8_t *);
- u32 is_local = va_arg (*args, u32);
+ u32 is_local = va_arg (*args, u32), app_index, session_index;
u8 *app_name, *str = 0;
stream_session_t *session;
v4_connection_key_t *key = (v4_connection_key_t *) kvp->key;
@@ -1316,7 +1316,8 @@ format_ip4_session_lookup_kvp (u8 * s, va_list * args)
}
else
{
- app_name = application_name_from_index (kvp->value);
+ local_session_parse_handle (kvp->value, &app_index, &session_index);
+ app_name = application_name_from_index (app_index);
str = format (0, "[%U] %U:%d", format_transport_proto_short, key->proto,
format_ip4_address, &key->src,
clib_net_to_host_u16 (key->src_port));
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index baabb05943d..30cd5ae9a4d 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -795,7 +795,7 @@ skip_dequeue:
{
stream_session_t *s; /* $$$ prefetch 1 ahead maybe */
session_event_t *e;
- u32 to_dequeue;
+ u8 is_full;
e = &fifo_events[i];
switch (e->event_type)
@@ -814,7 +814,7 @@ skip_dequeue:
clib_warning ("It's dead, Jim!");
continue;
}
- to_dequeue = svm_fifo_max_dequeue (s->server_tx_fifo);
+ is_full = svm_fifo_is_full (s->server_tx_fifo);
/* Spray packets in per session type frames, since they go to
* different nodes */
@@ -823,7 +823,7 @@ skip_dequeue:
if (PREDICT_TRUE (rv == SESSION_TX_OK))
{
/* Notify app there's tx space if not polling */
- if (PREDICT_FALSE (to_dequeue == s->server_tx_fifo->nitems
+ if (PREDICT_FALSE (is_full
&& !svm_fifo_has_event (s->server_tx_fifo)))
session_dequeue_notify (s);
}
diff --git a/test/test_vcl.py b/test/test_vcl.py
index 79eb75f364f..a34bc74549b 100644
--- a/test/test_vcl.py
+++ b/test/test_vcl.py
@@ -43,7 +43,7 @@ class VCLTestCase(VppTestCase):
self.server_args = [self.server_port]
self.server_ipv6_addr = "::1"
self.server_ipv6_args = ["-6", self.server_port]
- self.timeout = 3
+ self.timeout = 10
self.echo_phrase = "Hello, world! Jenny is a friend of mine."
super(VCLTestCase, self).__init__(methodName)