diff options
Diffstat (limited to 'src/vnet/session/application_interface.h')
| -rw-r--r-- | src/vnet/session/application_interface.h | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h index 7d5d044cc5a..b410c638155 100644 --- a/src/vnet/session/application_interface.h +++ b/src/vnet/session/application_interface.h @@ -608,7 +608,7 @@ app_send_dgram_raw (svm_fifo_t * f, app_session_transport_t * at, int rv; max_enqueue = svm_fifo_max_enqueue_prod (f); - if (max_enqueue <= sizeof (session_dgram_hdr_t)) + if (max_enqueue < (sizeof (session_dgram_hdr_t) + len)) return 0; max_enqueue -= sizeof (session_dgram_hdr_t); @@ -694,18 +694,16 @@ app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len, svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph); ASSERT (ph.data_length >= ph.data_offset); - if (!ph.data_offset) - svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at); + svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at); + len = clib_min (len, ph.data_length - ph.data_offset); rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf); if (peek) return rv; - ASSERT (rv > 0); - ph.data_offset += rv; - if (ph.data_offset == ph.data_length) - svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN); - else - svm_fifo_overwrite_head (f, (u8 *) & ph, sizeof (ph)); + + /* Discards data that did not fit in buffer */ + svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN); + return rv; } |