session: lock app worker mq for io events
Also fixes vcl client/server stats and closing procedure.
Change-Id: I7d5a274ea0a3c8ea13062bf61bf402248dfe1a19
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vcl/vcl_test_client.c b/src/vcl/vcl_test_client.c
index b2431df..899d729 100644
--- a/src/vcl/vcl_test_client.c
+++ b/src/vcl/vcl_test_client.c
@@ -233,7 +233,6 @@
vtwrn ("failed to register worker");
return -1;
}
-
vt_atomic_add (&vcm->active_workers, 1);
}
rv = vtc_connect_test_sessions (wrk);
@@ -259,6 +258,64 @@
return 0;
}
+static int stats_lock = 0;
+
+static void
+vtc_accumulate_stats (vcl_test_client_worker_t * wrk,
+ sock_test_socket_t * ctrl)
+{
+ sock_test_socket_t *tsock;
+ static char buf[64];
+ int i, show_rx = 0;
+
+ while (__sync_lock_test_and_set (&stats_lock, 1))
+ ;
+
+ if (ctrl->cfg.test == SOCK_TEST_TYPE_BI
+ || ctrl->cfg.test == SOCK_TEST_TYPE_ECHO)
+ show_rx = 1;
+
+ for (i = 0; i < wrk->cfg.num_test_sockets; i++)
+ {
+ tsock = &wrk->sessions[i];
+ tsock->stats.start = ctrl->stats.start;
+
+ if (ctrl->cfg.verbose > 1)
+ {
+ sprintf (buf, "CLIENT (fd %d) RESULTS", tsock->fd);
+ sock_test_stats_dump (buf, &tsock->stats, show_rx, 1 /* show tx */ ,
+ ctrl->cfg.verbose);
+ }
+
+ sock_test_stats_accumulate (&ctrl->stats, &tsock->stats);
+ }
+
+ __sync_lock_release (&stats_lock);
+}
+
+static void
+vtc_worker_sessions_exit (vcl_test_client_worker_t * wrk)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ sock_test_socket_t *ctrl = &vcm->ctrl_socket;
+ sock_test_socket_t *tsock;
+ int i, verbose = ctrl->cfg.verbose;
+
+ for (i = 0; i < wrk->cfg.num_test_sockets; i++)
+ {
+ tsock = &wrk->sessions[i];
+ tsock->cfg.test = SOCK_TEST_TYPE_EXIT;
+
+ if (verbose)
+ {
+ vtinf ("(fd %d): Sending exit cfg to server...", tsock->fd);
+ sock_test_cfg_dump (&tsock->cfg, 1 /* is_client */ );
+ }
+ (void) vcl_test_write (tsock->fd, (uint8_t *) & tsock->cfg,
+ sizeof (tsock->cfg), &tsock->stats, verbose);
+ }
+}
+
static void *
vtc_worker_loop (void *arg)
{
@@ -338,40 +395,16 @@
}
}
exit:
+ vtinf ("Worker %d done ...", wrk->wrk_index);
+ vtc_accumulate_stats (wrk, ctrl);
+ sleep (1);
+ vtc_worker_sessions_exit (wrk);
if (wrk->wrk_index)
vt_atomic_add (&vcm->active_workers, -1);
return 0;
}
static void
-vtc_accumulate_stats (vcl_test_client_worker_t * wrk,
- sock_test_socket_t * ctrl)
-{
- sock_test_socket_t *tsock;
- static char buf[64];
- int i, show_rx = 0;
-
- if (ctrl->cfg.test == SOCK_TEST_TYPE_BI
- || ctrl->cfg.test == SOCK_TEST_TYPE_ECHO)
- show_rx = 1;
-
- for (i = 0; i < wrk->cfg.num_test_sockets; i++)
- {
- tsock = &wrk->sessions[i];
- tsock->stats.start = ctrl->stats.start;
-
- if (ctrl->cfg.verbose > 1)
- {
- sprintf (buf, "CLIENT (fd %d) RESULTS", tsock->fd);
- sock_test_stats_dump (buf, &tsock->stats, show_rx, 1 /* show tx */ ,
- ctrl->cfg.verbose);
- }
-
- sock_test_stats_accumulate (&ctrl->stats, &tsock->stats);
- }
-}
-
-static void
vtc_print_stats (sock_test_socket_t * ctrl)
{
int is_echo = ctrl->cfg.test == SOCK_TEST_TYPE_ECHO;
@@ -488,8 +521,6 @@
return;
}
- for (i = 0; i < vcm->n_workers; i++)
- vtc_accumulate_stats (&vcm->workers[i], ctrl);
vtc_print_stats (ctrl);
ctrl->cfg.test = SOCK_TEST_TYPE_ECHO;
@@ -499,42 +530,6 @@
}
static void
-vtc_client_exit (void)
-{
- vcl_test_client_main_t *vcm = &vcl_client_main;
- vcl_test_client_worker_t *wrk = &vcm->workers[0];
- sock_test_socket_t *ctrl = &vcm->ctrl_socket;
- sock_test_socket_t *tsock;
- int i, verbose;
-
- verbose = ctrl->cfg.verbose;
- for (i = 0; i < wrk->cfg.num_test_sockets; i++)
- {
- tsock = &wrk->sessions[i];
- tsock->cfg.test = SOCK_TEST_TYPE_EXIT;
-
- if (verbose)
- {
- vtinf ("(fd %d): Sending exit cfg to server...", tsock->fd);
- sock_test_cfg_dump (&tsock->cfg, 1 /* is_client */ );
- }
- (void) vcl_test_write (tsock->fd, (uint8_t *) & tsock->cfg,
- sizeof (tsock->cfg), &tsock->stats, verbose);
- }
-
- ctrl->cfg.test = SOCK_TEST_TYPE_EXIT;
- if (verbose)
- {
- vtinf ("(fd %d): Sending exit cfg to server...", ctrl->fd);
- sock_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
- }
- (void) vcl_test_write (ctrl->fd, (uint8_t *) & ctrl->cfg,
- sizeof (ctrl->cfg), &ctrl->stats, verbose);
- vtinf ("So long and thanks for all the fish!\n\n");
- sleep (1);
-}
-
-static void
dump_help (void)
{
#define INDENT "\n "
@@ -954,6 +949,25 @@
}
}
+static void
+vtc_ctrl_session_exit (void)
+{
+ vcl_test_client_main_t *vcm = &vcl_client_main;
+ sock_test_socket_t *ctrl = &vcm->ctrl_socket;
+ int verbose = ctrl->cfg.verbose;
+
+ ctrl->cfg.test = SOCK_TEST_TYPE_EXIT;
+ if (verbose)
+ {
+ vtinf ("(fd %d): Sending exit cfg to server...", ctrl->fd);
+ sock_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
+ }
+ (void) vcl_test_write (ctrl->fd, (uint8_t *) & ctrl->cfg,
+ sizeof (ctrl->cfg), &ctrl->stats, verbose);
+ vtinf ("So long and thanks for all the fish!\n\n");
+ sleep (1);
+}
+
int
main (int argc, char **argv)
{
@@ -1046,7 +1060,7 @@
vtc_read_user_input (ctrl);
}
- vtc_client_exit ();
+ vtc_ctrl_session_exit ();
vppcom_session_close (ctrl->fd);
vppcom_app_destroy ();
free (vcm->workers);
diff --git a/src/vcl/vcl_test_server.c b/src/vcl/vcl_test_server.c
index 2fdd7ec..5c8656c 100644
--- a/src/vcl/vcl_test_server.c
+++ b/src/vcl/vcl_test_server.c
@@ -497,6 +497,7 @@
if (rv < 0)
vtfail ("vppcom_epoll_ctl", rv);
+ ssm->active_workers += 1;
vtinf ("Waiting for a client to connect on port %d ...", ssm->cfg.port);
}
@@ -532,6 +533,12 @@
if (wrk->wait_events[i].events & (EPOLLHUP | EPOLLRDHUP))
{
vppcom_session_close (conn->fd);
+ wrk->nfds -= 1;
+ if (!wrk->nfds)
+ {
+ vtinf ("All client connections closed\n");
+ goto done;
+ }
continue;
}
if (wrk->wait_events[i].data.u32 == ~0)
@@ -542,6 +549,7 @@
if (EPOLLIN & wrk->wait_events[i].events)
{
+ read_again:
rx_bytes = vcl_test_read (conn->fd, conn->buf,
conn->buf_size, &conn->stats);
@@ -563,7 +571,6 @@
if (!wrk->nfds)
{
vtinf ("All client connections closed\n");
- vtinf ("May the force be with you!\n");
goto done;
}
continue;
@@ -572,6 +579,9 @@
|| (conn->cfg.test == SOCK_TEST_TYPE_BI))
{
vts_server_rx (conn, rx_bytes);
+ if (vppcom_session_attr (conn->fd, VPPCOM_ATTR_GET_NREAD, 0,
+ 0) > 0)
+ goto read_again;
continue;
}
else if (isascii (conn->buf[0]))
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 6455508..3acd1c4 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -285,6 +285,8 @@
vcl_wait_for_memory (session->vpp_evt_q);
rx_fifo->master_session_index = session->session_index;
tx_fifo->master_session_index = session->session_index;
+ rx_fifo->master_thread_index = vcl_get_worker_index ();
+ tx_fifo->master_thread_index = vcl_get_worker_index ();
vec_validate (wrk->vpp_event_queues, 0);
evt_q = uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
wrk->vpp_event_queues[0] = evt_q;
@@ -295,7 +297,8 @@
svm_msg_q_t *);
rx_fifo->client_session_index = session->session_index;
tx_fifo->client_session_index = session->session_index;
-
+ rx_fifo->client_thread_index = vcl_get_worker_index ();
+ tx_fifo->client_thread_index = vcl_get_worker_index ();
vpp_wrk_index = tx_fifo->master_thread_index;
vec_validate (wrk->vpp_event_queues, vpp_wrk_index);
wrk->vpp_event_queues[vpp_wrk_index] = session->vpp_evt_q;
@@ -349,8 +352,7 @@
if (mp->retval)
{
clib_warning ("VCL<%d>: ERROR: sid %u: connect failed! %U", getpid (),
- mp->handle, session_index, format_api_error,
- ntohl (mp->retval));
+ session_index, format_api_error, ntohl (mp->retval));
session->session_state = STATE_FAILED;
session->vpp_handle = mp->handle;
return session_index;
@@ -361,6 +363,8 @@
vcl_wait_for_memory (rx_fifo);
rx_fifo->client_session_index = session_index;
tx_fifo->client_session_index = session_index;
+ rx_fifo->client_thread_index = vcl_get_worker_index ();
+ tx_fifo->client_thread_index = vcl_get_worker_index ();
if (mp->client_event_queue_address)
{
@@ -648,6 +652,9 @@
u64 vpp_handle;
session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+
vpp_handle = session->vpp_handle;
state = session->session_state;
@@ -2233,6 +2240,7 @@
switch (e->event_type)
{
case FIFO_EVENT_APP_RX:
+ ASSERT (e->fifo->client_thread_index == vcl_get_worker_index ());
vcl_fifo_rx_evt_valid_or_break (e->fifo);
sid = e->fifo->client_session_index;
session = vcl_session_get (wrk, sid);