diff options
Diffstat (limited to 'src/vcl/vppcom.c')
| -rw-r--r-- | src/vcl/vppcom.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index 3acd1c41e70..6d6e7d08797 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -1268,7 +1268,7 @@ vppcom_session_read_internal (uint32_t session_handle, void *buf, int n, svm_msg_q_msg_t msg; session_event_t *e; svm_msg_q_t *mq; - u8 is_full; + u8 is_ct; if (PREDICT_FALSE (!buf)) return VPPCOM_EINVAL; @@ -1299,18 +1299,19 @@ vppcom_session_read_internal (uint32_t session_handle, void *buf, int n, return rv; } - mq = vcl_session_is_ct (s) ? s->our_evt_q : wrk->app_event_queue; - svm_fifo_unset_event (rx_fifo); - is_full = svm_fifo_is_full (rx_fifo); + is_ct = vcl_session_is_ct (s); + mq = is_ct ? s->our_evt_q : wrk->app_event_queue; if (svm_fifo_is_empty (rx_fifo)) { if (is_nonblocking) { + svm_fifo_unset_event (rx_fifo); return VPPCOM_OK; } - while (1) + while (svm_fifo_is_empty (rx_fifo)) { + svm_fifo_unset_event (rx_fifo); svm_msg_q_lock (mq); if (svm_msg_q_is_empty (mq)) svm_msg_q_wait (mq); @@ -1318,20 +1319,16 @@ vppcom_session_read_internal (uint32_t session_handle, void *buf, int n, svm_msg_q_sub_w_lock (mq, &msg); e = svm_msg_q_msg_data (mq, &msg); svm_msg_q_unlock (mq); - if (!vcl_is_rx_evt_for_session (e, s->session_index, - s->our_evt_q != 0)) + if (!vcl_is_rx_evt_for_session (e, s->session_index, is_ct)) { vcl_handle_mq_ctrl_event (wrk, e); svm_msg_q_free_msg (mq, &msg); continue; } - svm_fifo_unset_event (rx_fifo); svm_msg_q_free_msg (mq, &msg); + if (PREDICT_FALSE (s->session_state == STATE_CLOSE_ON_EMPTY)) return 0; - if (svm_fifo_is_empty (rx_fifo)) - continue; - break; } } @@ -1340,7 +1337,10 @@ vppcom_session_read_internal (uint32_t session_handle, void *buf, int n, else n_read = app_recv_stream_raw (rx_fifo, buf, n, 0, peek); - if (vcl_session_is_ct (s) && is_full) + if (svm_fifo_is_empty (rx_fifo)) + svm_fifo_unset_event (rx_fifo); + + if (is_ct && n_read + svm_fifo_max_dequeue (rx_fifo) == rx_fifo->nitems) { /* If the peer is not polling send notification */ if (!svm_fifo_has_event (s->rx_fifo)) @@ -1593,7 +1593,7 @@ if (PREDICT_FALSE (svm_fifo_is_empty (_fifo))) \ { \ svm_fifo_unset_event (_fifo); \ if (svm_fifo_is_empty (_fifo)) \ - break; \ + break; \ } \ static int |