X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Funittest%2Fsession_test.c;fp=src%2Fplugins%2Funittest%2Fsession_test.c;h=70b3b32a2e4628403c847ab4e72b18d6de070b55;hb=0242d30fc717aeacb758281dad8e5b2e56bf6709;hp=c4e41c34dd033f8a0f6a8aec98bf2da56dbe06d9;hpb=6d733a93b2eb9c16196ee17d5cdc77db21589571;p=vpp.git diff --git a/src/plugins/unittest/session_test.c b/src/plugins/unittest/session_test.c index c4e41c34dd0..70b3b32a2e4 100644 --- a/src/plugins/unittest/session_test.c +++ b/src/plugins/unittest/session_test.c @@ -1771,6 +1771,74 @@ wait_for_event (svm_msg_q_t * mq, int fd, int epfd, u8 use_eventfd) } } +/* Used to be part of application_worker.c prior to adding support for + * async rx + */ +static int +test_mq_try_lock_and_alloc_msg (svm_msg_q_t *mq, session_mq_rings_e ring, + svm_msg_q_msg_t *msg) +{ + int rv, n_try = 0; + + while (n_try < 75) + { + rv = svm_msg_q_lock_and_alloc_msg_w_ring (mq, ring, SVM_Q_NOWAIT, msg); + if (!rv) + return 0; + /* + * Break the loop if mq is full, usually this is because the + * app has crashed or is hanging on somewhere. + */ + if (rv != -1) + break; + n_try += 1; + usleep (1); + } + + return -1; +} + +/* Used to be part of application_worker.c prior to adding support for + * async rx and was used for delivering io events over mq + * NB: removed handling of mq congestion + */ +static inline int +test_app_send_io_evt_rx (app_worker_t *app_wrk, session_t *s) +{ + svm_msg_q_msg_t _mq_msg = { 0 }, *mq_msg = &_mq_msg; + session_event_t *evt; + svm_msg_q_t *mq; + u32 app_session; + int rv; + + if (app_worker_application_is_builtin (app_wrk)) + return app_worker_rx_notify (app_wrk, s); + + if (svm_fifo_has_event (s->rx_fifo)) + return 0; + + app_session = s->rx_fifo->shr->client_session_index; + mq = app_wrk->event_queue; + + rv = test_mq_try_lock_and_alloc_msg (mq, SESSION_MQ_IO_EVT_RING, mq_msg); + + if (PREDICT_FALSE (rv)) + { + clib_warning ("failed to alloc mq message"); + return -1; + } + + evt = svm_msg_q_msg_data (mq, mq_msg); + evt->event_type = SESSION_IO_EVT_RX; + evt->session_index = app_session; + + (void) svm_fifo_set_event (s->rx_fifo); + + svm_msg_q_add_and_unlock (mq, mq_msg); + + return 0; +} + static int session_test_mq_speed (vlib_main_t * vm, unformat_input_t * input) { @@ -1885,7 +1953,7 @@ session_test_mq_speed (vlib_main_t * vm, unformat_input_t * input) { while (svm_fifo_has_event (rx_fifo)) ; - app_worker_lock_and_send_event (app_wrk, &s, SESSION_IO_EVT_RX); + test_app_send_io_evt_rx (app_wrk, &s); } }