}
void
-svm_msg_q_add_w_lock (svm_msg_q_t * mq, svm_msg_q_msg_t * msg)
+svm_msg_q_add_and_unlock (svm_msg_q_t * mq, svm_msg_q_msg_t * msg)
{
ASSERT (svm_msq_q_msg_is_valid (mq, msg));
svm_queue_add_raw (mq->q, (u8 *) msg);
+ svm_msg_q_unlock (mq);
}
int
* @param msg message (pointer to ring position) to be enqueued
* @return success status
*/
-void svm_msg_q_add_w_lock (svm_msg_q_t * mq, svm_msg_q_msg_t * msg);
+void svm_msg_q_add_and_unlock (svm_msg_q_t * mq, svm_msg_q_msg_t * msg);
/**
* Consumer dequeue one message from queue
{
STATE_START,
STATE_ATTACHED,
+ STATE_LISTEN,
STATE_READY,
STATE_DISCONNECTING,
STATE_FAILED,
/* Our event queue */
svm_msg_q_t *our_event_queue;
- /* $$$ single thread only for the moment */
- svm_queue_t *vpp_event_queue;
-
u8 *socket_name;
pid_t my_pid;
hash_set (em->error_string_by_error_number, 99, "Misc");
}
-int
+static void handle_mq_event (session_event_t * e);
+
+static int
wait_for_state_change (echo_main_t * em, connection_state_t state)
{
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
+ f64 timeout;
+
#if CLIB_DEBUG > 0
#define TIMEOUT 600.0
#else
#define TIMEOUT 600.0
#endif
- f64 timeout = clib_time_now (&em->clib_time) + TIMEOUT;
+ timeout = clib_time_now (&em->clib_time) + TIMEOUT;
while (clib_time_now (&em->clib_time) < timeout)
{
return -1;
if (em->time_to_stop == 1)
return 0;
+ if (!em->our_event_queue)
+ continue;
+
+ if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0))
+ continue;
+ e = svm_msg_q_msg_data (em->our_event_queue, &msg);
+ handle_mq_event (e);
+ svm_msg_q_free_msg (em->our_event_queue, &msg);
}
clib_warning ("timeout waiting for state %d", state);
return -1;
bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
bmp->client_index = em->my_client_index;
bmp->context = ntohl (0xfeedface);
- bmp->options[APP_OPTIONS_FLAGS] =
- APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT;
+ bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
+ bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
+ bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp);
}
-int
+static int
application_attach (echo_main_t * em)
{
application_send_attach (em);
fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9);
}
-static void
-vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
-{
- echo_main_t *em = &echo_main;
- session_t *session = 0;
- vl_api_disconnect_session_reply_t *rmp;
- uword *p;
- int rv = 0;
-
- p = hash_get (em->session_index_by_vpp_handles, mp->handle);
-
- if (p)
- {
- session = pool_elt_at_index (em->sessions, p[0]);
- hash_unset (em->session_index_by_vpp_handles, mp->handle);
- pool_put (em->sessions, session);
- }
- else
- {
- clib_warning ("couldn't find session key %llx", mp->handle);
- rv = -11;
- }
-
-// em->time_to_stop = 1;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
-
- rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
- rmp->retval = rv;
- rmp->handle = mp->handle;
- rmp->context = mp->context;
- vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & rmp);
-
- if (session)
- session_print_stats (em, session);
-}
-
-static void
-vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
-{
- echo_main_t *em = &echo_main;
- vl_api_reset_session_reply_t *rmp;
- uword *p;
- int rv = 0;
-
- p = hash_get (em->session_index_by_vpp_handles, mp->handle);
-
- if (p)
- {
- clib_warning ("got reset");
- /* Cleanup later */
- em->time_to_stop = 1;
- }
- else
- {
- clib_warning ("couldn't find session key %llx", mp->handle);
- rv = -11;
- }
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
- rmp->retval = rv;
- rmp->handle = mp->handle;
- vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & rmp);
-}
-
static void
test_recv_bytes (session_t * s, u8 * rx_buf, u32 n_read)
{
}
void
-client_handle_fifo_event_rx (echo_main_t * em, session_fifo_event_t * e,
+client_handle_fifo_event_rx (echo_main_t * em, session_event_t * e,
u8 * rx_buf)
{
session_t *s;
void *
client_rx_thread_fn (void *arg)
{
- session_fifo_event_t _e, *e = &_e;
+ session_event_t _e, *e = &_e;
echo_main_t *em = &echo_main;
static u8 *rx_buf = 0;
svm_msg_q_msg_t msg;
pthread_exit (0);
}
+void
+client_send_connect (echo_main_t * em)
+{
+ vl_api_connect_uri_t *cmp;
+ cmp = vl_msg_api_alloc (sizeof (*cmp));
+ memset (cmp, 0, sizeof (*cmp));
+
+ cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
+ cmp->client_index = em->my_client_index;
+ cmp->context = ntohl (0xfeedface);
+ memcpy (cmp->uri, em->connect_uri, vec_len (em->connect_uri));
+ vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
+}
+
+void
+client_send_disconnect (echo_main_t * em, session_t * s)
+{
+ vl_api_disconnect_session_t *dmp;
+ dmp = vl_msg_api_alloc (sizeof (*dmp));
+ memset (dmp, 0, sizeof (*dmp));
+ dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
+ dmp->client_index = em->my_client_index;
+ dmp->handle = s->vpp_session_handle;
+ vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
+}
+
+int
+client_disconnect (echo_main_t * em, session_t * s)
+{
+ client_send_disconnect (em, s);
+ pool_put (em->sessions, s);
+ memset (s, 0xfe, sizeof (*s));
+ return 0;
+}
+
+static void
+session_accepted_handler (session_accepted_msg_t * mp)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_accepted_reply_msg_t *rmp;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ echo_main_t *em = &echo_main;
+ session_t *session;
+ static f64 start_time;
+ u32 session_index;
+ u8 *ip_str;
+
+ if (start_time == 0.0)
+ start_time = clib_time_now (&em->clib_time);
+
+ ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
+ clib_warning ("Accepted session from: %s:%d", ip_str,
+ clib_net_to_host_u16 (mp->port));
+
+ /* Allocate local session and set it up */
+ pool_get (em->sessions, session);
+ session_index = session - em->sessions;
+
+ rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
+ rx_fifo->client_session_index = session_index;
+ tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
+ tx_fifo->client_session_index = session_index;
+
+ session->server_rx_fifo = rx_fifo;
+ session->server_tx_fifo = tx_fifo;
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+
+ /* Add it to lookup table */
+ hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
+
+ em->state = STATE_READY;
+
+ /* Stats printing */
+ if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0)
+ {
+ f64 now = clib_time_now (&em->clib_time);
+ fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
+ pool_elts (em->sessions), now - start_time,
+ (f64) pool_elts (em->sessions) / (now - start_time));
+ }
+
+ /*
+ * Send accept reply to vpp
+ */
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_ACCEPTED_REPLY);
+ rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
+
+ session->bytes_received = 0;
+ session->start = clib_time_now (&em->clib_time);
+}
+
static void
-vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
+session_connected_handler (session_connected_msg_t * mp)
{
echo_main_t *em = &echo_main;
session_t *session;
mp->is_ip4, clib_net_to_host_u16 (mp->lcl_port));
}
-void
-client_send_connect (echo_main_t * em)
+static void
+session_disconnected_handler (session_disconnected_msg_t * mp)
{
- vl_api_connect_uri_t *cmp;
- cmp = vl_msg_api_alloc (sizeof (*cmp));
- memset (cmp, 0, sizeof (*cmp));
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_disconnected_reply_msg_t *rmp;
+ echo_main_t *em = &echo_main;
+ session_t *session = 0;
+ uword *p;
+ int rv = 0;
- cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
- cmp->client_index = em->my_client_index;
- cmp->context = ntohl (0xfeedface);
- memcpy (cmp->uri, em->connect_uri, vec_len (em->connect_uri));
- vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
+ p = hash_get (em->session_index_by_vpp_handles, mp->handle);
+
+ if (p)
+ {
+ clib_warning ("disconnected");
+ session = pool_elt_at_index (em->sessions, p[0]);
+ hash_unset (em->session_index_by_vpp_handles, mp->handle);
+ pool_put (em->sessions, session);
+ }
+ else
+ {
+ clib_warning ("couldn't find session key %llx", mp->handle);
+ rv = -11;
+ }
+
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_DISCONNECTED_REPLY);
+ rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
+ rmp->retval = rv;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
+
+ if (session)
+ session_print_stats (em, session);
}
-void
-client_send_disconnect (echo_main_t * em, session_t * s)
+static void
+session_reset_handler (session_reset_msg_t * mp)
{
- vl_api_disconnect_session_t *dmp;
- dmp = vl_msg_api_alloc (sizeof (*dmp));
- memset (dmp, 0, sizeof (*dmp));
- dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
- dmp->client_index = em->my_client_index;
- dmp->handle = s->vpp_session_handle;
- vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ echo_main_t *em = &echo_main;
+ session_reset_reply_msg_t *rmp;
+ session_t *session = 0;
+ uword *p;
+ int rv = 0;
+
+ p = hash_get (em->session_index_by_vpp_handles, mp->handle);
+
+ if (p)
+ {
+ session = pool_elt_at_index (em->sessions, p[0]);
+ clib_warning ("got reset");
+ /* Cleanup later */
+ em->time_to_stop = 1;
+ }
+ else
+ {
+ clib_warning ("couldn't find session key %llx", mp->handle);
+ return;
+ }
+
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_RESET_REPLY);
+ rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
+ rmp->retval = rv;
+ rmp->handle = mp->handle;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
}
-int
-client_disconnect (echo_main_t * em, session_t * s)
+static void
+handle_mq_event (session_event_t * e)
{
- client_send_disconnect (em, s);
- pool_put (em->sessions, s);
- memset (s, 0xfe, sizeof (*s));
- return 0;
+ switch (e->event_type)
+ {
+ case SESSION_CTRL_EVT_ACCEPTED:
+ session_accepted_handler ((session_accepted_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_CONNECTED:
+ session_connected_handler ((session_connected_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ session_disconnected_handler ((session_disconnected_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_RESET:
+ session_reset_handler ((session_reset_msg_t *) e->data);
+ break;
+ default:
+ clib_warning ("unhandled %u", e->event_type);
+ }
}
static void
{
f64 start_time, deltat, timeout = 100.0;
svm_msg_q_msg_t msg;
+ session_event_t *e;
session_t *s;
int i;
while (em->n_clients_connected < em->n_clients
&& (clib_time_now (&em->clib_time) - start_time < timeout)
&& em->state != STATE_FAILED)
- ;
+
+ {
+ svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0);
+ e = svm_msg_q_msg_data (em->our_event_queue, &msg);
+ handle_mq_event (e);
+ svm_msg_q_free_msg (em->our_event_queue, &msg);
+ }
if (em->n_clients_connected != em->n_clients)
{
if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0))
{
clib_warning ("svm msg q returned");
+ continue;
}
- else
- svm_msg_q_free_msg (em->our_event_queue, &msg);
+ e = svm_msg_q_msg_data (em->our_event_queue, &msg);
+ if (e->event_type != FIFO_EVENT_APP_RX)
+ handle_mq_event (e);
+ svm_msg_q_free_msg (em->our_event_queue, &msg);
}
for (i = 0; i < em->n_clients; i++)
}
static void
-vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
-{
- echo_main_t *em = &echo_main;
- vl_api_accept_session_reply_t *rmp;
- svm_fifo_t *rx_fifo, *tx_fifo;
- session_t *session;
- static f64 start_time;
- u32 session_index;
- u8 *ip_str;
-
- if (start_time == 0.0)
- start_time = clib_time_now (&em->clib_time);
-
- ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
- clib_warning ("Accepted session from: %s:%d", ip_str,
- clib_net_to_host_u16 (mp->port));
- em->vpp_event_queue =
- uword_to_pointer (mp->vpp_event_queue_address, svm_queue_t *);
-
- /* Allocate local session and set it up */
- pool_get (em->sessions, session);
- session_index = session - em->sessions;
-
- rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
- rx_fifo->client_session_index = session_index;
- tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
- tx_fifo->client_session_index = session_index;
-
- session->server_rx_fifo = rx_fifo;
- session->server_tx_fifo = tx_fifo;
-
- /* Add it to lookup table */
- hash_set (em->session_index_by_vpp_handles, mp->handle, session_index);
-
- em->state = STATE_READY;
-
- /* Stats printing */
- if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0)
- {
- f64 now = clib_time_now (&em->clib_time);
- fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
- pool_elts (em->sessions), now - start_time,
- (f64) pool_elts (em->sessions) / (now - start_time));
- }
-
- /*
- * Send accept reply to vpp
- */
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
- rmp->handle = mp->handle;
- rmp->context = mp->context;
- vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & rmp);
-
- session->bytes_received = 0;
- session->start = clib_time_now (&em->clib_time);
-}
-
-void
-server_handle_fifo_event_rx (echo_main_t * em, session_fifo_event_t * e)
+server_handle_fifo_event_rx (echo_main_t * em, session_event_t * e)
{
svm_fifo_t *rx_fifo, *tx_fifo;
int n_read;
- session_fifo_event_t evt;
- svm_queue_t *q;
session_t *session;
int rv;
u32 max_dequeue, offset, max_transfer, rx_buf_len;
/* If event wasn't set, add one */
if (svm_fifo_set_event (tx_fifo))
- {
- /* Fabricate TX event, send to vpp */
- evt.fifo = tx_fifo;
- evt.event_type = FIFO_EVENT_APP_TX;
-
- q = em->vpp_event_queue;
- svm_queue_add (q, (u8 *) & evt, 1 /* do wait for mutex */ );
- }
+ app_send_io_evt_to_vpp (session->vpp_evt_q, tx_fifo,
+ FIFO_EVENT_APP_TX, SVM_Q_WAIT);
}
}
while ((n_read < 0 || max_dequeue > 0) && !em->time_to_stop);
}
-void
+static void
server_handle_event_queue (echo_main_t * em)
{
- session_fifo_event_t _e, *e = &_e;
svm_msg_q_msg_t msg;
+ session_event_t *e;
while (1)
{
case FIFO_EVENT_APP_RX:
server_handle_fifo_event_rx (em, e);
break;
-
- case FIFO_EVENT_DISCONNECT:
- svm_msg_q_free_msg (em->our_event_queue, &msg);
- return;
-
default:
- clib_warning ("unknown event type %d", e->event_type);
+ handle_mq_event (e);
break;
}
if (PREDICT_FALSE (em->time_to_stop == 1))
#define foreach_tcp_echo_msg \
_(BIND_URI_REPLY, bind_uri_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
-_(ACCEPT_SESSION, accept_session) \
-_(CONNECT_SESSION_REPLY, connect_session_reply) \
-_(DISCONNECT_SESSION, disconnect_session) \
_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
-_(RESET_SESSION, reset_session) \
_(APPLICATION_ATTACH_REPLY, application_attach_reply) \
_(APPLICATION_DETACH_REPLY, application_detach_reply) \
_(MAP_ANOTHER_SEGMENT, map_another_segment) \
/* make the main heap thread-safe */
h->flags |= MHEAP_FLAG_THREAD_SAFE;
- vec_validate (em->rx_buf, 128 << 10);
-
memset (em, 0, sizeof (*em));
em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
em->my_pid = getpid ();
em->test_return_packets = test_return_packets;
em->bytes_to_send = bytes_to_send;
em->time_to_stop = 0;
+ vec_validate (em->rx_buf, 128 << 10);
vec_validate (em->client_thread_handles, em->n_clients - 1);
vec_validate (em->thread_args, em->n_clients - 1);
typedef enum
{
STATE_START,
+ STATE_ATTACHED,
STATE_BOUND,
STATE_READY,
STATE_FAILED,
STATE_DISCONNECTING,
+ STATE_DETACHED
} connection_state_t;
typedef struct
return 0;
}
-void
+static void
application_send_attach (udp_echo_main_t * utm)
{
vl_api_application_attach_t *bmp;
bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ADD_SEGMENT;
bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+ bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 2;
bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = utm->fifo_size;
bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = utm->fifo_size;
utm->our_event_queue =
uword_to_pointer (mp->app_event_queue_address, svm_msg_q_t *);
+ utm->state = STATE_ATTACHED;
}
static void
{
if (mp->retval)
clib_warning ("detach returned with err: %d", mp->retval);
+ udp_echo_main.state = STATE_DETACHED;
}
u8 *
}
static void
-udp_client_connect (udp_echo_main_t * utm)
+session_accepted_handler (session_accepted_msg_t * mp)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ udp_echo_main_t *utm = &udp_echo_main;
+ session_accepted_reply_msg_t *rmp;
+ svm_fifo_t *rx_fifo, *tx_fifo;
+ app_session_t *session;
+ static f64 start_time;
+ u32 session_index;
+ int rv = 0;
+
+ if (start_time == 0.0)
+ start_time = clib_time_now (&utm->clib_time);
+
+ utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+ rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
+ tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
+
+ pool_get (utm->sessions, session);
+ memset (session, 0, sizeof (*session));
+ session_index = session - utm->sessions;
+
+ /* Cut-through case */
+ if (mp->server_event_queue_address)
+ {
+ clib_warning ("cut-through session");
+ utm->our_event_queue = uword_to_pointer (mp->server_event_queue_address,
+ svm_msg_q_t *);
+ rx_fifo->master_session_index = session_index;
+ tx_fifo->master_session_index = session_index;
+ utm->cut_through_session_index = session_index;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+
+ rv = pthread_create (&utm->cut_through_thread_handle,
+ NULL /*attr */ , cut_through_thread_fn, 0);
+ if (rv)
+ {
+ clib_warning ("pthread_create returned %d", rv);
+ rv = VNET_API_ERROR_SYSCALL_ERROR_1;
+ }
+ utm->do_echo = 1;
+ }
+ else
+ {
+ rx_fifo->client_session_index = session_index;
+ tx_fifo->client_session_index = session_index;
+ session->rx_fifo = rx_fifo;
+ session->tx_fifo = tx_fifo;
+ clib_memcpy (&session->transport.rmt_ip, mp->ip,
+ sizeof (ip46_address_t));
+ session->transport.is_ip4 = mp->is_ip4;
+ session->transport.rmt_port = mp->port;
+ }
+
+ hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
+ if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
+ {
+ f64 now = clib_time_now (&utm->clib_time);
+ fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
+ pool_elts (utm->sessions), now - start_time,
+ (f64) pool_elts (utm->sessions) / (now - start_time));
+ }
+
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_ACCEPTED_REPLY);
+ rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ rmp->retval = rv;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
+
+ CLIB_MEMORY_BARRIER ();
+ utm->state = STATE_READY;
+}
+
+static void
+session_disconnected_handler (session_disconnected_msg_t * mp)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ udp_echo_main_t *utm = &udp_echo_main;
+ session_disconnected_reply_msg_t *rmp;
+ app_session_t *session;
+ uword *p;
+ int rv = 0;
+
+ p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
+
+ if (p)
+ {
+ session = pool_elt_at_index (utm->sessions, p[0]);
+ hash_unset (utm->session_index_by_vpp_handles, mp->handle);
+ pool_put (utm->sessions, session);
+ }
+ else
+ {
+ clib_warning ("couldn't find session key %llx", mp->handle);
+ return;
+ }
+
+ app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
+ SESSION_CTRL_EVT_DISCONNECTED_REPLY);
+ rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
+ rmp->retval = rv;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
+}
+
+static void
+session_connected_handler (session_connected_msg_t * mp)
+{
+ udp_echo_main_t *utm = &udp_echo_main;
+ unformat_input_t _input, *input = &_input;
+ session_endpoint_extended_t _sep, *sep = &_sep;
+ app_session_t *session;
+
+ ASSERT (utm->i_am_server == 0);
+
+ if (mp->retval)
+ {
+ clib_warning ("failed connect");
+ return;
+ }
+
+ ASSERT (mp->server_rx_fifo && mp->server_tx_fifo);
+
+ pool_get (utm->sessions, session);
+ session->rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
+ session->tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+ /* Cut-through case */
+ if (mp->client_event_queue_address)
+ {
+ clib_warning ("cut-through session");
+ utm->cut_through_session_index = session - utm->sessions;
+ utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+ utm->our_event_queue = uword_to_pointer (mp->client_event_queue_address,
+ svm_msg_q_t *);
+ utm->do_echo = 1;
+ }
+ else
+ {
+ utm->connected_session = session - utm->sessions;
+ utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+
+ clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
+ sizeof (ip46_address_t));
+ session->transport.is_ip4 = mp->is_ip4;
+ session->transport.lcl_port = mp->lcl_port;
+
+ unformat_init_vector (input, utm->connect_uri);
+ if (!unformat (input, "%U", unformat_uri, sep))
+ {
+ clib_warning ("can't figure out remote ip and port");
+ utm->state = STATE_FAILED;
+ unformat_free (input);
+ return;
+ }
+ unformat_free (input);
+ clib_memcpy (&session->transport.rmt_ip, &sep->ip,
+ sizeof (ip46_address_t));
+ session->transport.rmt_port = sep->port;
+ session->is_dgram = !utm->is_connected;
+ }
+ utm->state = STATE_READY;
+}
+
+static void
+handle_mq_event (session_event_t * e)
+{
+ switch (e->event_type)
+ {
+ case SESSION_CTRL_EVT_ACCEPTED:
+ session_accepted_handler ((session_accepted_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_CONNECTED:
+ session_connected_handler ((session_connected_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ session_disconnected_handler ((session_disconnected_msg_t *) e->data);
+ break;
+ default:
+ clib_warning ("unhandled %u", e->event_type);
+ }
+}
+
+static void
+udp_client_send_connect (udp_echo_main_t * utm)
{
vl_api_connect_uri_t *cmp;
cmp = vl_msg_api_alloc (sizeof (*cmp));
transfer_type);
}
+static int
+application_attach (udp_echo_main_t * utm)
+{
+ application_send_attach (utm);
+ if (wait_for_state_change (utm, STATE_ATTACHED))
+ {
+ clib_warning ("timeout waiting for STATE_ATTACHED");
+ return -1;
+ }
+ return 0;
+}
+
static void
client_test (udp_echo_main_t * utm)
{
+ f64 start_time, timeout = 100.0;
app_session_t *session;
+ svm_msg_q_msg_t msg;
+ session_event_t *e;
- application_send_attach (utm);
- udp_client_connect (utm);
+ if (application_attach (utm))
+ return;
+
+ udp_client_send_connect (utm);
+
+ start_time = clib_time_now (&utm->clib_time);
+ while (pool_elts (utm->sessions) != 1
+ && clib_time_now (&utm->clib_time) - start_time < timeout
+ && utm->state != STATE_FAILED)
- if (wait_for_state_change (utm, STATE_READY))
{
- clib_warning ("timeout waiting for STATE_READY");
- return;
+ svm_msg_q_sub (utm->our_event_queue, &msg, SVM_Q_WAIT, 0);
+ e = svm_msg_q_msg_data (utm->our_event_queue, &msg);
+ handle_mq_event (e);
+ svm_msg_q_free_msg (utm->our_event_queue, &msg);
}
if (utm->cut_through_session_index != ~0)
}
application_detach (utm);
+ wait_for_state_change (utm, STATE_DETACHED);
}
static void
vec_free (seg_name);
}
-/**
- * Acting as server for redirected connect requests
- */
-static void
-vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
-{
- u32 segment_index;
- udp_echo_main_t *utm = &udp_echo_main;
- svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
- svm_fifo_segment_create_args_t _a, *a = &_a;
- svm_fifo_segment_private_t *seg;
- svm_queue_t *client_q;
- vl_api_connect_session_reply_t *rmp;
- app_session_t *session = 0;
- int rv = 0;
-
- /* Create the segment */
- a->segment_name = (char *) format (0, "%d:segment%d%c", utm->my_pid,
- utm->unique_segment_index++, 0);
- a->segment_size = utm->configured_segment_size;
-
- rv = svm_fifo_segment_create (a);
- if (rv)
- {
- clib_warning ("sm_fifo_segment_create ('%s') failed", a->segment_name);
- rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
- goto send_reply;
- }
-
- vec_add2 (utm->seg, seg, 1);
-
- segment_index = vec_len (sm->segments) - 1;
- memcpy (seg, sm->segments + segment_index, sizeof (utm->seg[0]));
-
- pool_get (utm->sessions, session);
-
- session->rx_fifo = svm_fifo_segment_alloc_fifo
- (utm->seg, 128 * 1024, FIFO_SEGMENT_RX_FREELIST);
- ASSERT (session->rx_fifo);
-
- session->tx_fifo = svm_fifo_segment_alloc_fifo
- (utm->seg, 128 * 1024, FIFO_SEGMENT_TX_FREELIST);
- ASSERT (session->tx_fifo);
-
- session->rx_fifo->master_session_index = session - utm->sessions;
- session->tx_fifo->master_session_index = session - utm->sessions;
- utm->cut_through_session_index = session - utm->sessions;
-
- rv = pthread_create (&utm->cut_through_thread_handle,
- NULL /*attr */ , cut_through_thread_fn, 0);
- if (rv)
- {
- clib_warning ("pthread_create returned %d", rv);
- rv = VNET_API_ERROR_SYSCALL_ERROR_1;
- }
-
-send_reply:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
-
- rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl (rv);
- rmp->segment_name_length = vec_len (a->segment_name);
- if (session)
- {
- rmp->server_rx_fifo = pointer_to_uword (session->rx_fifo);
- rmp->server_tx_fifo = pointer_to_uword (session->tx_fifo);
- }
-
- memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
-
- vec_free (a->segment_name);
-
- client_q = uword_to_pointer (mp->client_queue_address, svm_queue_t *);
- vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
-}
-
static void
vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
{
utm->state = STATE_START;
}
-static void
-vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
-{
- udp_echo_main_t *utm = &udp_echo_main;
- vl_api_accept_session_reply_t *rmp;
- svm_fifo_t *rx_fifo, *tx_fifo;
- app_session_t *session;
- static f64 start_time;
- u32 session_index;
- int rv = 0;
-
- if (start_time == 0.0)
- start_time = clib_time_now (&utm->clib_time);
-
- utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
- rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
- tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
-
- pool_get (utm->sessions, session);
- memset (session, 0, sizeof (*session));
- session_index = session - utm->sessions;
-
- /* Cut-through case */
- if (mp->server_event_queue_address)
- {
- clib_warning ("cut-through session");
- utm->our_event_queue = uword_to_pointer (mp->server_event_queue_address,
- svm_msg_q_t *);
- rx_fifo->master_session_index = session_index;
- tx_fifo->master_session_index = session_index;
- utm->cut_through_session_index = session_index;
- session->rx_fifo = rx_fifo;
- session->tx_fifo = tx_fifo;
-
- rv = pthread_create (&utm->cut_through_thread_handle,
- NULL /*attr */ , cut_through_thread_fn, 0);
- if (rv)
- {
- clib_warning ("pthread_create returned %d", rv);
- rv = VNET_API_ERROR_SYSCALL_ERROR_1;
- }
- utm->do_echo = 1;
- }
- else
- {
- rx_fifo->client_session_index = session_index;
- tx_fifo->client_session_index = session_index;
- session->rx_fifo = rx_fifo;
- session->tx_fifo = tx_fifo;
- clib_memcpy (&session->transport.rmt_ip, mp->ip,
- sizeof (ip46_address_t));
- session->transport.is_ip4 = mp->is_ip4;
- session->transport.rmt_port = mp->port;
- }
-
- hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
- if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
- {
- f64 now = clib_time_now (&utm->clib_time);
- fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
- pool_elts (utm->sessions), now - start_time,
- (f64) pool_elts (utm->sessions) / (now - start_time));
- }
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
- rmp->handle = mp->handle;
- rmp->context = mp->context;
- rmp->retval = rv;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
-
- CLIB_MEMORY_BARRIER ();
- utm->state = STATE_READY;
-}
-
-static void
-vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
-{
- udp_echo_main_t *utm = &udp_echo_main;
- app_session_t *session;
- vl_api_disconnect_session_reply_t *rmp;
- uword *p;
- int rv = 0;
-
- p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
-
- if (p)
- {
- session = pool_elt_at_index (utm->sessions, p[0]);
- hash_unset (utm->session_index_by_vpp_handles, mp->handle);
- pool_put (utm->sessions, session);
- }
- else
- {
- clib_warning ("couldn't find session key %llx", mp->handle);
- rv = -11;
- }
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
- rmp->retval = rv;
- rmp->handle = mp->handle;
- rmp->context = mp->context;
- vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
-}
-
-static void
-vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
-{
- udp_echo_main_t *utm = &udp_echo_main;
- unformat_input_t _input, *input = &_input;
- session_endpoint_extended_t _sep, *sep = &_sep;
- app_session_t *session;
-
- ASSERT (utm->i_am_server == 0);
-
- if (mp->retval)
- {
- clib_warning ("failed connect");
- return;
- }
-
- ASSERT (mp->server_rx_fifo && mp->server_tx_fifo);
-
- pool_get (utm->sessions, session);
- session->rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
- session->tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
- session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
- /* Cut-through case */
- if (mp->client_event_queue_address)
- {
- clib_warning ("cut-through session");
- utm->cut_through_session_index = session - utm->sessions;
- utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
- utm->our_event_queue = uword_to_pointer (mp->client_event_queue_address,
- svm_msg_q_t *);
- utm->do_echo = 1;
- }
- else
- {
- utm->connected_session = session - utm->sessions;
- utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
-
- clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
- sizeof (ip46_address_t));
- session->transport.is_ip4 = mp->is_ip4;
- session->transport.lcl_port = mp->lcl_port;
-
- unformat_init_vector (input, utm->connect_uri);
- if (!unformat (input, "%U", unformat_uri, sep))
- {
- clib_warning ("can't figure out remote ip and port");
- utm->state = STATE_FAILED;
- unformat_free (input);
- return;
- }
- unformat_free (input);
- clib_memcpy (&session->transport.rmt_ip, &sep->ip,
- sizeof (ip46_address_t));
- session->transport.rmt_port = sep->port;
- session->is_dgram = !utm->is_connected;
- }
- utm->state = STATE_READY;
-}
-
#define foreach_tcp_echo_msg \
_(BIND_URI_REPLY, bind_uri_reply) \
-_(CONNECT_URI, connect_uri) \
-_(CONNECT_SESSION_REPLY, connect_session_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
-_(ACCEPT_SESSION, accept_session) \
-_(DISCONNECT_SESSION, disconnect_session) \
_(MAP_ANOTHER_SEGMENT, map_another_segment) \
_(UNMAP_SEGMENT, unmap_segment) \
_(APPLICATION_ATTACH_REPLY, application_attach_reply) \
}
void
-server_handle_fifo_event_rx (udp_echo_main_t * utm, session_fifo_event_t * e)
+server_handle_fifo_event_rx (udp_echo_main_t * utm, session_event_t * e)
{
app_session_t *s;
int rv;
void
server_handle_event_queue (udp_echo_main_t * utm)
{
- session_fifo_event_t *e;
+ session_event_t *e;
svm_msg_q_msg_t msg;
while (utm->state != STATE_READY)
server_handle_fifo_event_rx (utm, e);
break;
- case FIFO_EVENT_DISCONNECT:
- utm->time_to_stop = 1;
- break;
-
default:
- clib_warning ("unknown event type %d", e->event_type);
+ handle_mq_event (e);
break;
}
svm_msg_q_free_msg (utm->our_event_queue, &msg);
echo_client_main_t *ecm = &echo_client_main;
eclient_session_t *session;
u32 session_index;
- u8 thread_index = s->thread_index;
+ u8 thread_index;
if (is_fail)
{
return 0;
}
+ thread_index = s->thread_index;
ASSERT (thread_index == vlib_get_thread_index ()
|| session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
static inline int
app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
{
- if (PREDICT_TRUE (!svm_msg_q_is_full (mq)))
- {
- if (lock)
- {
- svm_msg_q_add_w_lock (mq, msg);
- svm_msg_q_unlock (mq);
- }
- else if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
- {
- clib_warning ("msg q add returned");
- if (lock)
- svm_msg_q_unlock (mq);
- return -1;
- }
- }
- else
+ if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
{
clib_warning ("evt q full");
svm_msg_q_free_msg (mq, msg);
svm_msg_q_unlock (mq);
return -1;
}
+
+ if (lock)
+ {
+ svm_msg_q_add_and_unlock (mq, msg);
+ return 0;
+ }
+
+ /* Even when not locking the ring, we must wait for queue mutex */
+ if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
+ {
+ clib_warning ("msg q add returned");
+ return -1;
+ }
return 0;
}
static inline int
app_send_io_evt_rx (application_t * app, stream_session_t * s, u8 lock)
{
- session_fifo_event_t *evt;
+ session_event_t *evt;
svm_msg_q_msg_t msg;
svm_msg_q_t *mq;
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
ASSERT (!svm_msg_q_msg_is_invalid (&msg));
- evt = (session_fifo_event_t *) svm_msg_q_msg_data (mq, &msg);
+ evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->fifo = s->server_rx_fifo;
evt->event_type = FIFO_EVENT_APP_RX;
app_send_io_evt_tx (application_t * app, stream_session_t * s, u8 lock)
{
svm_msg_q_t *mq;
- session_fifo_event_t *evt;
+ session_event_t *evt;
svm_msg_q_msg_t msg;
if (application_is_builtin (app))
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
ASSERT (!svm_msg_q_msg_is_invalid (&msg));
- evt = (session_fifo_event_t *) svm_msg_q_msg_data (mq, &msg);
+ evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->event_type = FIFO_EVENT_APP_TX;
evt->fifo = s->server_tx_fifo;
_(IS_PROXY, "Application is proxying") \
_(USE_GLOBAL_SCOPE, "App can use global session scope") \
_(USE_LOCAL_SCOPE, "App can use local session scope") \
+ _(USE_MQ_FOR_CTRL_MSGS, "Use message queue for ctr msgs") \
typedef enum _app_options
{
#undef _
} app_session_t;
+typedef struct session_accepted_msg_
+{
+ u32 context;
+ u64 listener_handle;
+ u64 handle;
+ u64 server_rx_fifo;
+ u64 server_tx_fifo;
+ u64 vpp_event_queue_address;
+ u64 server_event_queue_address;
+ u16 port;
+ u8 is_ip4;
+ u8 ip[16];
+} session_accepted_msg_t;
+
+typedef struct session_accepted_reply_msg_
+{
+ u32 context;
+ i32 retval;
+ u64 handle;
+} session_accepted_reply_msg_t;
+
+/* Make sure this is not too large, otherwise it won't fit when dequeued in
+ * the session queue node */
+STATIC_ASSERT (sizeof (session_accepted_reply_msg_t) <= 16, "accept reply");
+
+typedef struct session_connected_msg_
+{
+ u32 context;
+ i32 retval;
+ u64 handle;
+ u64 server_rx_fifo;
+ u64 server_tx_fifo;
+ u64 vpp_event_queue_address;
+ u64 client_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;
+
+typedef struct session_disconnected_msg_
+{
+ u32 client_index;
+ u32 context;
+ u64 handle;
+} session_disconnected_msg_t;
+
+typedef struct session_disconnected_reply_msg_
+{
+ u32 context;
+ i32 retval;
+ u64 handle;
+} session_disconnected_reply_msg_t;
+
+typedef struct session_reset_msg_
+{
+ u32 client_index;
+ u32 context;
+ u64 handle;
+} session_reset_msg_t;
+
+typedef struct session_reset_reply_msg_
+{
+ u32 client_index;
+ u32 context;
+ i32 retval;
+ u64 handle;
+} session_reset_reply_msg_t;
+
+typedef struct app_session_event_
+{
+ svm_msg_q_msg_t msg;
+ session_event_t *evt;
+} app_session_evt_t;
+
+static inline void
+app_alloc_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt,
+ u8 evt_type)
+{
+ svm_msg_q_lock_and_alloc_msg_w_ring (mq,
+ SESSION_MQ_CTRL_EVT_RING,
+ SVM_Q_WAIT, &app_evt->msg);
+ svm_msg_q_unlock (mq);
+ app_evt->evt = svm_msg_q_msg_data (mq, &app_evt->msg);
+ memset (app_evt->evt, 0, sizeof (*app_evt->evt));
+ app_evt->evt->event_type = evt_type;
+}
+
+static inline void
+app_send_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt)
+{
+ svm_msg_q_add (mq, &app_evt->msg, SVM_Q_WAIT);
+}
+
/**
* Send fifo io event to vpp worker thread
*
app_send_io_evt_to_vpp (svm_msg_q_t * mq, svm_fifo_t * f, u8 evt_type,
u8 noblock)
{
- session_fifo_event_t *evt;
+ session_event_t *evt;
svm_msg_q_msg_t msg;
if (noblock)
svm_msg_q_unlock (mq);
return -2;
}
- evt = (session_fifo_event_t *) svm_msg_q_msg_data (mq, &msg);
+ evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->fifo = f;
evt->event_type = evt_type;
- svm_msg_q_add_w_lock (mq, &msg);
- svm_msg_q_unlock (mq);
+ svm_msg_q_add_and_unlock (mq, &msg);
return 0;
}
else
svm_msg_q_wait (mq);
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
}
- evt = (session_fifo_event_t *) svm_msg_q_msg_data (mq, &msg);
+ evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->fifo = f;
evt->event_type = evt_type;
if (svm_msg_q_is_full (mq))
svm_msg_q_wait (mq);
- svm_msg_q_add_w_lock (mq, &msg);
- svm_msg_q_unlock (mq);
+ svm_msg_q_add_and_unlock (mq, &msg);
return 0;
}
}
u32 fifo_evt_size, notif_q_size, q_hdrs;
u32 msg_q_sz, fifo_evt_ring_sz, session_ntf_ring_sz;
- fifo_evt_size = 1 << max_log2 (sizeof (session_fifo_event_t));
+ fifo_evt_size = 1 << max_log2 (sizeof (session_event_t));
notif_q_size = clib_max (16, q_len >> 4);
msg_q_sz = q_len * sizeof (svm_msg_q_msg_t);
svm_msg_q_t *q;
void *oldheap;
- fifo_evt_size = sizeof (session_fifo_event_t);
+ fifo_evt_size = sizeof (session_event_t);
notif_q_size = clib_max (16, queue_size >> 4);
/* *INDENT-OFF* */
svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = {
session_send_evt_to_thread (void *data, void *args, u32 thread_index,
session_evt_type_t evt_type)
{
- session_fifo_event_t *evt;
+ session_event_t *evt;
svm_msg_q_msg_t msg;
svm_msg_q_t *mq;
u32 tries = 0, max_tries;
svm_msg_q_unlock (mq);
return -2;
}
- evt = (session_fifo_event_t *) svm_msg_q_msg_data (mq, &msg);
+ evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->event_type = evt_type;
switch (evt_type)
{
return -1;
}
- svm_msg_q_add_w_lock (mq, &msg);
- svm_msg_q_unlock (mq);
+ svm_msg_q_add_and_unlock (mq, &msg);
return 0;
}
{
u32 thread_index = vlib_get_thread_index ();
session_manager_main_t *smm = &session_manager_main;
- session_fifo_event_t *evt;
+ session_event_t *evt;
if (!s)
return;
void
session_vpp_event_queues_allocate (session_manager_main_t * smm)
{
- u32 evt_q_length = 2048, evt_size = sizeof (session_fifo_event_t);
+ u32 evt_q_length = 2048, evt_size = sizeof (session_event_t);
ssvm_private_t *eqs = &smm->evt_qs_segment;
api_main_t *am = &api_main;
u64 eqs_size = 64 << 20;
{
FIFO_EVENT_APP_RX,
FIFO_EVENT_APP_TX,
- FIFO_EVENT_TIMEOUT,
FIFO_EVENT_DISCONNECT,
FIFO_EVENT_BUILTIN_RX,
FIFO_EVENT_RPC,
+ SESSION_CTRL_EVT_ACCEPTED,
+ SESSION_CTRL_EVT_ACCEPTED_REPLY,
+ SESSION_CTRL_EVT_CONNECTED,
+ SESSION_CTRL_EVT_CONNECTED_REPLY,
+ SESSION_CTRL_EVT_DISCONNECTED,
+ SESSION_CTRL_EVT_DISCONNECTED_REPLY,
+ SESSION_CTRL_EVT_RESET,
+ SESSION_CTRL_EVT_RESET_REPLY
} session_evt_type_t;
static inline const char *
return "FIFO_EVENT_APP_RX";
case FIFO_EVENT_APP_TX:
return "FIFO_EVENT_APP_TX";
- case FIFO_EVENT_TIMEOUT:
- return "FIFO_EVENT_TIMEOUT";
case FIFO_EVENT_DISCONNECT:
return "FIFO_EVENT_DISCONNECT";
case FIFO_EVENT_BUILTIN_RX:
u8 data[0];
};
};
-} __clib_packed session_fifo_event_t;
+} __clib_packed session_event_t;
/* *INDENT-ON* */
#define SESSION_MSG_NULL { }
typedef int
(session_fifo_rx_fn) (vlib_main_t * vm, vlib_node_runtime_t * node,
- session_fifo_event_t * e0, stream_session_t * s0,
+ session_event_t * e0, stream_session_t * s0,
int *n_tx_pkts);
extern session_fifo_rx_fn session_tx_fifo_peek_and_snd;
extern session_fifo_rx_fn session_tx_fifo_dequeue_and_snd;
extern session_fifo_rx_fn session_tx_fifo_dequeue_internal;
-u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e);
+u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e);
struct _session_manager_main
{
u32 **tx_buffers;
/** Per worker-thread vector of partially read events */
- session_fifo_event_t **free_event_vector;
+ session_event_t **free_event_vector;
/** per-worker active event vectors */
- session_fifo_event_t **pending_event_vector;
+ session_event_t **pending_event_vector;
/** per-worker postponed disconnects */
- session_fifo_event_t **pending_disconnects;
+ session_event_t **pending_disconnects;
/** per-worker session context */
session_tx_context_t *ctx;
.del_segment_callback = send_del_segment_callback,
};
+static int
+mq_send_session_accepted_cb (stream_session_t * s)
+{
+ application_t *app = application_get (s->app_index);
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ svm_msg_q_t *vpp_queue, *app_mq;
+ transport_proto_vft_t *tp_vft;
+ transport_connection_t *tc;
+ stream_session_t *listener;
+ session_accepted_msg_t *mp;
+ session_event_t *evt;
+
+ app_mq = app->event_queue;
+ svm_msg_q_lock_and_alloc_msg_w_ring (app_mq, SESSION_MQ_CTRL_EVT_RING,
+ SVM_Q_WAIT, msg);
+ svm_msg_q_unlock (app_mq);
+
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
+ mp = (session_accepted_msg_t *) evt->data;
+ mp->context = app->index;
+ mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo);
+ mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo);
+
+ if (session_has_transport (s))
+ {
+ listener = listen_session_get (s->listener_index);
+ mp->listener_handle = listen_session_get_handle (listener);
+ if (application_is_proxy (app))
+ {
+ listener =
+ application_first_listener (app, session_get_fib_proto (s),
+ session_get_transport_proto (s));
+ if (listener)
+ mp->listener_handle = listen_session_get_handle (listener);
+ }
+ vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
+ mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
+ mp->handle = session_handle (s);
+ tp_vft = transport_protocol_get_vft (session_get_transport_proto (s));
+ tc = tp_vft->get_connection (s->connection_index, s->thread_index);
+ mp->port = tc->rmt_port;
+ mp->is_ip4 = tc->is_ip4;
+ clib_memcpy (&mp->ip, &tc->rmt_ip, sizeof (tc->rmt_ip));
+ }
+ else
+ {
+ local_session_t *ls = (local_session_t *) s;
+ local_session_t *ll;
+ if (application_local_session_listener_has_transport (ls))
+ {
+ listener = listen_session_get (ls->listener_index);
+ mp->listener_handle = listen_session_get_handle (listener);
+ mp->is_ip4 = session_type_is_ip4 (listener->session_type);
+ }
+ else
+ {
+ ll = application_get_local_listen_session (app, ls->listener_index);
+ if (ll->transport_listener_index != ~0)
+ {
+ listener = listen_session_get (ll->transport_listener_index);
+ mp->listener_handle = listen_session_get_handle (listener);
+ }
+ else
+ {
+ mp->listener_handle = application_local_session_handle (ll);
+ }
+ mp->is_ip4 = session_type_is_ip4 (ll->listener_session_type);
+ }
+ mp->handle = application_local_session_handle (ls);
+ mp->port = ls->port;
+ mp->vpp_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);
+
+ return 0;
+}
+
+static void
+mq_send_session_disconnected_cb (stream_session_t * s)
+{
+ application_t *app = application_get (s->app_index);
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_disconnected_msg_t *mp;
+ svm_msg_q_t *app_mq;
+ session_event_t *evt;
+
+ app_mq = app->event_queue;
+ svm_msg_q_lock_and_alloc_msg_w_ring (app_mq, SESSION_MQ_CTRL_EVT_RING,
+ SVM_Q_WAIT, msg);
+ svm_msg_q_unlock (app_mq);
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_DISCONNECTED;
+ mp = (session_disconnected_msg_t *) evt->data;
+ mp->handle = session_handle (s);
+ mp->context = app->api_client_index;
+ svm_msg_q_add (app_mq, msg, SVM_Q_WAIT);
+}
+
+static void
+mq_send_session_reset_cb (stream_session_t * s)
+{
+ application_t *app = application_get (s->app_index);
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_reset_msg_t *mp;
+ svm_msg_q_t *app_mq;
+ session_event_t *evt;
+
+ app_mq = app->event_queue;
+ svm_msg_q_lock_and_alloc_msg_w_ring (app_mq, SESSION_MQ_CTRL_EVT_RING,
+ SVM_Q_WAIT, msg);
+ svm_msg_q_unlock (app_mq);
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_RESET;
+ mp = (session_reset_msg_t *) evt->data;
+ mp->handle = session_handle (s);
+ svm_msg_q_add (app_mq, msg, SVM_Q_WAIT);
+}
+
+static int
+mq_send_session_connected_cb (u32 app_index, u32 api_context,
+ stream_session_t * s, u8 is_fail)
+{
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_connected_msg_t *mp;
+ svm_msg_q_t *vpp_mq, *app_mq;
+ transport_connection_t *tc;
+ session_event_t *evt;
+ application_t *app;
+
+ app = application_get (app_index);
+ app_mq = app->event_queue;
+ if (!app_mq)
+ {
+ clib_warning ("app %u with api index: %u not attached", app->index,
+ app->api_client_index);
+ return -1;
+ }
+
+ svm_msg_q_lock_and_alloc_msg_w_ring (app_mq, SESSION_MQ_CTRL_EVT_RING,
+ SVM_Q_WAIT, msg);
+ svm_msg_q_unlock (app_mq);
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_CONNECTED;
+ mp = (session_connected_msg_t *) evt->data;
+ mp->context = api_context;
+
+ if (is_fail)
+ goto done;
+
+ if (session_has_transport (s))
+ {
+ tc = session_get_transport (s);
+ if (!tc)
+ {
+ is_fail = 1;
+ goto done;
+ }
+
+ vpp_mq = session_manager_get_vpp_event_queue (s->thread_index);
+ mp->handle = session_handle (s);
+ mp->vpp_event_queue_address = pointer_to_uword (vpp_mq);
+ clib_memcpy (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
+ mp->is_ip4 = tc->is_ip4;
+ mp->lcl_port = tc->lcl_port;
+ mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo);
+ mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo);
+ }
+ else
+ {
+ 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;
+ mp->client_event_queue_address = ls->client_evt_q;
+ mp->server_rx_fifo = pointer_to_uword (s->server_tx_fifo);
+ mp->server_tx_fifo = pointer_to_uword (s->server_rx_fifo);
+ }
+
+done:
+ mp->retval = is_fail ?
+ clib_host_to_net_u32 (VNET_API_ERROR_SESSION_CONNECT) : 0;
+
+ svm_msg_q_add (app_mq, msg, SVM_Q_WAIT);
+ return 0;
+}
+
+static session_cb_vft_t session_mq_cb_vft = {
+ .session_accept_callback = mq_send_session_accepted_cb,
+ .session_disconnect_callback = mq_send_session_disconnected_cb,
+ .session_connected_callback = mq_send_session_connected_cb,
+ .session_reset_callback = mq_send_session_reset_cb,
+ .add_segment_callback = send_add_segment_callback,
+ .del_segment_callback = send_del_segment_callback,
+};
+
static void
vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
{
memset (a, 0, sizeof (*a));
a->api_client_index = mp->client_index;
a->options = mp->options;
- a->session_cb_vft = &session_cb_vft;
+
+ if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS)
+ a->session_cb_vft = &session_mq_cb_vft;
+ else
+ a->session_cb_vft = &session_cb_vft;
if (mp->namespace_id_len > 64)
{
{
stream_session_t *ss = va_arg (*args, stream_session_t *);
int verbose = va_arg (*args, int);
- session_fifo_event_t _e, *e = &_e;
+ session_event_t _e, *e = &_e;
u8 found;
if (!ss->server_rx_fifo || !ss->server_tx_fifo)
#include <vnet/session/transport.h>
#include <vnet/session/session.h>
#include <vnet/session/application.h>
+#include <vnet/session/application_interface.h>
#include <vnet/session/session_debug.h>
#include <svm/queue.h>
+static void
+session_mq_accepted_reply_handler (void *data)
+{
+ session_accepted_reply_msg_t *mp = (session_accepted_reply_msg_t *) data;
+ vnet_disconnect_args_t _a = { 0 }, *a = &_a;
+ local_session_t *ls;
+ stream_session_t *s;
+
+ /* Server isn't interested, kill the session */
+ if (mp->retval)
+ {
+ a->app_index = mp->context;
+ a->handle = mp->handle;
+ vnet_disconnect_session (a);
+ return;
+ }
+
+ if (session_handle_is_local (mp->handle))
+ {
+ ls = application_get_local_session_from_handle (mp->handle);
+ if (!ls || ls->app_index != mp->context)
+ {
+ clib_warning ("server %u doesn't own local handle %llu",
+ mp->context, mp->handle);
+ return;
+ }
+ if (application_local_session_connect_notify (ls))
+ return;
+ ls->session_state = SESSION_STATE_READY;
+ }
+ else
+ {
+ s = session_get_from_handle_if_valid (mp->handle);
+ if (!s)
+ {
+ clib_warning ("session doesn't exist");
+ return;
+ }
+ if (s->app_index != mp->context)
+ {
+ clib_warning ("app doesn't own session");
+ return;
+ }
+ s->session_state = SESSION_STATE_READY;
+ }
+}
+
+static void
+session_mq_reset_reply_handler (void *data)
+{
+ session_reset_reply_msg_t *mp;
+ application_t *app;
+ stream_session_t *s;
+ u32 index, thread_index;
+
+ mp = (session_reset_reply_msg_t *) data;
+ app = application_lookup (mp->client_index);
+ if (!app)
+ return;
+
+ session_parse_handle (mp->handle, &index, &thread_index);
+ s = session_get_if_valid (index, thread_index);
+ if (s == 0 || app->index != s->app_index)
+ {
+ clib_warning ("Invalid session!");
+ return;
+ }
+
+ /* Client objected to resetting the session, log and continue */
+ if (mp->retval)
+ {
+ clib_warning ("client retval %d", mp->retval);
+ return;
+ }
+
+ /* This comes as a response to a reset, transport only waiting for
+ * confirmation to remove connection state, no need to disconnect */
+ stream_session_cleanup (s);
+}
+
+static void
+session_mq_disconnected_handler (void *data)
+{
+ session_disconnected_reply_msg_t *rmp;
+ vnet_disconnect_args_t _a, *a = &_a;
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_disconnected_msg_t *mp;
+ session_event_t *evt;
+ application_t *app;
+ int rv = 0;
+
+ mp = (session_disconnected_msg_t *) data;
+ app = application_lookup (mp->client_index);
+ if (app)
+ {
+ a->handle = mp->handle;
+ a->app_index = app->index;
+ rv = vnet_disconnect_session (a);
+ }
+ else
+ {
+ rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+ }
+
+ svm_msg_q_lock_and_alloc_msg_w_ring (app->event_queue,
+ SESSION_MQ_CTRL_EVT_RING,
+ SVM_Q_WAIT, msg);
+ svm_msg_q_unlock (app->event_queue);
+ evt = svm_msg_q_msg_data (app->event_queue, msg);
+ memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_DISCONNECTED;
+ rmp = (session_disconnected_reply_msg_t *) evt->data;
+ rmp->handle = mp->handle;
+ rmp->context = mp->context;
+ rmp->retval = rv;
+ svm_msg_q_add (app->event_queue, msg, SVM_Q_WAIT);
+}
+
+static void
+session_mq_disconnected_reply_handler (void *data)
+{
+ session_disconnected_reply_msg_t *mp;
+ vnet_disconnect_args_t _a, *a = &_a;
+ application_t *app;
+
+ mp = (session_disconnected_reply_msg_t *) data;
+
+ /* Client objected to disconnecting the session, log and continue */
+ if (mp->retval)
+ {
+ clib_warning ("client retval %d", mp->retval);
+ return;
+ }
+
+ /* Disconnect has been confirmed. Confirm close to transport */
+ app = application_lookup (mp->context);
+ if (app)
+ {
+ a->handle = mp->handle;
+ a->app_index = app->index;
+ vnet_disconnect_session (a);
+ }
+}
+
vlib_node_registration_t session_queue_node;
typedef struct
return s;
}
-vlib_node_registration_t session_queue_node;
-
#define foreach_session_queue_error \
_(TX, "Packets transmitted") \
_(TIMER, "Timer events") \
SESSION_TX_OK
};
-
static void
session_tx_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
u32 next_index, u32 * to_next, u16 n_segs,
always_inline int
session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
- session_fifo_event_t * e,
+ session_event_t * e,
stream_session_t * s, int *n_tx_packets,
u8 peek_data)
{
int
session_tx_fifo_peek_and_snd (vlib_main_t * vm, vlib_node_runtime_t * node,
- session_fifo_event_t * e,
+ session_event_t * e,
stream_session_t * s, int *n_tx_pkts)
{
return session_tx_fifo_read_and_snd_i (vm, node, e, s, n_tx_pkts, 1);
int
session_tx_fifo_dequeue_and_snd (vlib_main_t * vm, vlib_node_runtime_t * node,
- session_fifo_event_t * e,
+ session_event_t * e,
stream_session_t * s, int *n_tx_pkts)
{
return session_tx_fifo_read_and_snd_i (vm, node, e, s, n_tx_pkts, 0);
int
session_tx_fifo_dequeue_internal (vlib_main_t * vm,
vlib_node_runtime_t * node,
- session_fifo_event_t * e,
+ session_event_t * e,
stream_session_t * s, int *n_tx_pkts)
{
application_t *app;
}
always_inline stream_session_t *
-session_event_get_session (session_fifo_event_t * e, u8 thread_index)
+session_event_get_session (session_event_t * e, u8 thread_index)
{
return session_get_if_valid (e->fifo->master_session_index, thread_index);
}
{
session_manager_main_t *smm = vnet_get_session_manager_main ();
u32 thread_index = vm->thread_index, n_to_dequeue, n_events;
- session_fifo_event_t *pending_events, *e;
- session_fifo_event_t *fifo_events;
+ session_event_t *pending_events, *e;
+ session_event_t *fifo_events;
svm_msg_q_msg_t _msg, *msg = &_msg;
f64 now = vlib_time_now (vm);
int n_tx_packets = 0, i, rv;
for (i = 0; i < n_events; i++)
{
stream_session_t *s; /* $$$ prefetch 1 ahead maybe */
- session_fifo_event_t *e;
+ session_event_t *e;
u32 to_dequeue;
e = &fifo_events[i];
fp = e->rpc_args.fp;
(*fp) (e->rpc_args.arg);
break;
-
+ case SESSION_CTRL_EVT_DISCONNECTED:
+ session_mq_disconnected_handler (e->data);
+ break;
+ case SESSION_CTRL_EVT_ACCEPTED_REPLY:
+ session_mq_accepted_reply_handler (e->data);
+ break;
+ case SESSION_CTRL_EVT_CONNECTED_REPLY:
+ break;
+ case SESSION_CTRL_EVT_DISCONNECTED_REPLY:
+ session_mq_disconnected_reply_handler (e->data);
+ break;
+ case SESSION_CTRL_EVT_RESET_REPLY:
+ session_mq_reset_reply_handler (e->data);
+ break;
default:
clib_warning ("unhandled event type %d", e->event_type);
}
session_manager_main_t *smm = vnet_get_session_manager_main ();
vlib_main_t *vm = &vlib_global_main;
u32 my_thread_index = vm->thread_index;
- session_fifo_event_t _e, *e = &_e;
+ session_event_t _e, *e = &_e;
svm_msg_q_ring_t *ring;
stream_session_t *s0;
svm_msg_q_msg_t *msg;
}
static u8
-session_node_cmp_event (session_fifo_event_t * e, svm_fifo_t * f)
+session_node_cmp_event (session_event_t * e, svm_fifo_t * f)
{
stream_session_t *s;
switch (e->event_type)
}
u8
-session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e)
+session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e)
{
session_manager_main_t *smm = vnet_get_session_manager_main ();
svm_msg_q_t *mq;
- session_fifo_event_t *pending_event_vector, *evt;
+ session_event_t *pending_event_vector, *evt;
int i, index, found = 0;
svm_msg_q_msg_t *msg;
svm_msg_q_ring_t *ring;
Code Review / vpp.git / commitdiff