/* Can't make any progress */
if (snd_space0 == 0 || snd_mss0 == 0)
{
- vec_add1 (smm->evts_partially_read[thread_index], *e0);
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
return 0;
}
{
if (svm_fifo_set_event (s0->server_tx_fifo))
{
- vec_add1 (smm->evts_partially_read[thread_index], *e0);
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
}
return -1;
}
/* If we don't already have new event */
if (svm_fifo_set_event (s0->server_tx_fifo))
{
- vec_add1 (smm->evts_partially_read[thread_index], *e0);
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
}
}
return 0;
if (svm_fifo_set_event (s0->server_tx_fifo))
{
- vec_add1 (smm->evts_partially_read[thread_index], *e0);
+ vec_add1 (smm->pending_event_vector[thread_index], *e0);
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next + 1);
_vec_len (smm->tx_buffers[thread_index]) += 1;
return s0;
}
+void
+dump_thread_0_event_queue (void)
+{
+ 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;
+ stream_session_t *s0;
+ int i, index;
+ i8 *headp;
+
+ unix_shared_memory_queue_t *q;
+ q = smm->vpp_event_queues[my_thread_index];
+
+ index = q->head;
+
+ for (i = 0; i < q->cursize; i++)
+ {
+ headp = (i8 *) (&q->data[0] + q->elsize * index);
+ clib_memcpy (e, headp, q->elsize);
+
+ switch (e->event_type)
+ {
+ case FIFO_EVENT_APP_TX:
+ s0 = session_event_get_session (e, my_thread_index);
+ fformat (stdout, "[%04d] TX session %d\n", i, s0->session_index);
+ break;
+
+ case FIFO_EVENT_DISCONNECT:
+ s0 = stream_session_get_from_handle (e->session_handle);
+ fformat (stdout, "[%04d] disconnect session %d\n", i,
+ s0->session_index);
+ break;
+
+ case FIFO_EVENT_BUILTIN_RX:
+ s0 = session_event_get_session (e, my_thread_index);
+ fformat (stdout, "[%04d] builtin_rx %d\n", i, s0->session_index);
+ break;
+
+ case FIFO_EVENT_RPC:
+ fformat (stdout, "[%04d] RPC call %llx with %llx\n",
+ i, (u64) (e->rpc_args.fp), (u64) (e->rpc_args.arg));
+ break;
+
+ default:
+ fformat (stdout, "[%04d] unhandled event type %d\n",
+ i, e->event_type);
+ break;
+ }
+
+ index++;
+
+ if (index == q->maxsize)
+ index = 0;
+ }
+}
+
static uword
session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
session_manager_main_t *smm = vnet_get_session_manager_main ();
- session_fifo_event_t *my_fifo_events, *e;
+ session_fifo_event_t *my_pending_event_vector, *e;
+ session_fifo_event_t *my_fifo_events;
u32 n_to_dequeue, n_events;
unix_shared_memory_queue_t *q;
application_t *app;
if (PREDICT_FALSE (q == 0))
return 0;
+ my_fifo_events = smm->free_event_vector[my_thread_index];
+
/* min number of events we can dequeue without blocking */
n_to_dequeue = q->cursize;
- my_fifo_events = smm->fifo_events[my_thread_index];
+ my_pending_event_vector = smm->pending_event_vector[my_thread_index];
- if (n_to_dequeue == 0 && vec_len (my_fifo_events) == 0)
+ if (n_to_dequeue == 0 && vec_len (my_pending_event_vector) == 0)
return 0;
SESSION_EVT_DBG (SESSION_EVT_DEQ_NODE, 0);
* over them again without dequeuing new ones.
*/
/* XXX: Block senders to sessions that can't keep up */
- if (vec_len (my_fifo_events) >= 100)
+ if (0 && vec_len (my_pending_event_vector) >= 100)
{
clib_warning ("too many fifo events unsolved");
goto skip_dequeue;
(void) pthread_cond_broadcast (&q->condvar);
pthread_mutex_unlock (&q->mutex);
- smm->fifo_events[my_thread_index] = my_fifo_events;
+ vec_append (my_fifo_events, my_pending_event_vector);
+
+ _vec_len (my_pending_event_vector) = 0;
+ smm->pending_event_vector[my_thread_index] = my_pending_event_vector;
skip_dequeue:
n_events = vec_len (my_fifo_events);
&n_tx_packets);
/* Out of buffers */
if (rv < 0)
- goto done;
-
+ {
+ vec_add1 (smm->pending_event_vector[my_thread_index], *e0);
+ continue;
+ }
break;
case FIFO_EVENT_DISCONNECT:
s0 = stream_session_get_from_handle (e0->session_handle);
}
}
-done:
-
- /* Couldn't process all events. Probably out of buffers */
- if (PREDICT_FALSE (i < n_events))
- {
- session_fifo_event_t *partially_read =
- smm->evts_partially_read[my_thread_index];
- vec_add (partially_read, &my_fifo_events[i], n_events - i);
- vec_free (my_fifo_events);
- smm->fifo_events[my_thread_index] = partially_read;
- smm->evts_partially_read[my_thread_index] = 0;
- }
- else
- {
- vec_free (smm->fifo_events[my_thread_index]);
- smm->fifo_events[my_thread_index] =
- smm->evts_partially_read[my_thread_index];
- smm->evts_partially_read[my_thread_index] = 0;
- }
+ _vec_len (my_fifo_events) = 0;
+ smm->free_event_vector[my_thread_index] = my_fifo_events;
vlib_node_increment_counter (vm, session_queue_node.index,
SESSION_QUEUE_ERROR_TX, n_tx_packets);
Code Review / vpp.git / blobdiff