diff options
Diffstat (limited to 'src/vcl/vppcom.c')
| -rw-r--r-- | src/vcl/vppcom.c | 94 |
1 files changed, 74 insertions, 20 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index a854011fa0d..4224a086a21 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -23,23 +23,17 @@ __thread uword __vcl_worker_index = ~0; static int -vcl_wait_for_segment (u64 segment_handle) +vcl_segment_is_not_mounted (vcl_worker_t * wrk, u64 segment_handle) { - vcl_worker_t *wrk = vcl_worker_get_current (); - u32 wait_for_seconds = 10, segment_index; - f64 timeout; + u32 segment_index; if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) return 0; - timeout = clib_time_now (&wrk->clib_time) + wait_for_seconds; - while (clib_time_now (&wrk->clib_time) < timeout) - { - segment_index = vcl_segment_table_lookup (segment_handle); - if (segment_index != VCL_INVALID_SEGMENT_INDEX) - return 0; - usleep (10); - } + segment_index = vcl_segment_table_lookup (segment_handle); + if (segment_index != VCL_INVALID_SEGMENT_INDEX) + return 0; + return 1; } @@ -371,9 +365,9 @@ vcl_session_accepted_handler (vcl_worker_t * wrk, session_accepted_msg_t * mp, goto error; } - if (vcl_wait_for_segment (mp->segment_handle)) + if (vcl_segment_is_not_mounted (wrk, mp->segment_handle)) { - VDBG (0, "ERROR: segment for session %u couldn't be mounted!", + VDBG (0, "ERROR: segment for session %u is not mounted!", session->session_index); goto error; } @@ -459,9 +453,9 @@ vcl_session_connected_handler (vcl_worker_t * wrk, 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 *); - if (vcl_wait_for_segment (mp->segment_handle)) + if (vcl_segment_is_not_mounted (wrk, mp->segment_handle)) { - VDBG (0, "segment for session %u couldn't be mounted!", + VDBG (0, "segment for session %u is not mounted!", session->session_index); session->session_state = STATE_FAILED | STATE_DISCONNECT; vcl_send_session_disconnect (wrk, session); @@ -481,9 +475,9 @@ vcl_session_connected_handler (vcl_worker_t * wrk, { session->ct_rx_fifo = uword_to_pointer (mp->ct_rx_fifo, svm_fifo_t *); session->ct_tx_fifo = uword_to_pointer (mp->ct_tx_fifo, svm_fifo_t *); - if (vcl_wait_for_segment (mp->ct_segment_handle)) + if (vcl_segment_is_not_mounted (wrk, mp->ct_segment_handle)) { - VDBG (0, "ct segment for session %u couldn't be mounted!", + VDBG (0, "ct segment for session %u is not mounted!", session->session_index); session->session_state = STATE_FAILED | STATE_DISCONNECT; vcl_send_session_disconnect (wrk, session); @@ -715,9 +709,9 @@ vcl_session_worker_update_reply_handler (vcl_worker_t * wrk, void *data) VDBG (0, "unknown handle 0x%llx", msg->handle); return; } - if (vcl_wait_for_segment (msg->segment_handle)) + if (vcl_segment_is_not_mounted (wrk, msg->segment_handle)) { - clib_warning ("segment for session %u couldn't be mounted!", + clib_warning ("segment for session %u is not mounted!", s->session_index); return; } @@ -737,6 +731,48 @@ vcl_session_worker_update_reply_handler (vcl_worker_t * wrk, void *data) s->vpp_handle, wrk->wrk_index); } +static void +vcl_session_app_add_segment_handler (vcl_worker_t * wrk, void *data) +{ + ssvm_segment_type_t seg_type = SSVM_SEGMENT_SHM; + session_app_add_segment_msg_t *msg; + u64 segment_handle; + int fd = -1; + + msg = (session_app_add_segment_msg_t *) data; + + if (msg->fd_flags) + { + vl_socket_client_recv_fd_msg2 (&wrk->bapi_sock_ctx, &fd, 1, 5); + seg_type = SSVM_SEGMENT_MEMFD; + } + + segment_handle = msg->segment_handle; + if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) + { + clib_warning ("invalid segment handle"); + return; + } + + if (vcl_segment_attach (segment_handle, (char *) msg->segment_name, + seg_type, fd)) + { + VDBG (0, "vcl_segment_attach ('%s') failed", msg->segment_name); + return; + } + + VDBG (1, "mapped new segment '%s' size %d", msg->segment_name, + msg->segment_size); +} + +static void +vcl_session_app_del_segment_handler (vcl_worker_t * wrk, void *data) +{ + session_app_del_segment_msg_t *msg = (session_app_del_segment_msg_t *) data; + vcl_segment_detach (msg->segment_handle); + VDBG (1, "Unmapped segment: %d", msg->segment_handle); +} + static int vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e) { @@ -782,6 +818,12 @@ vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e) case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY: vcl_session_worker_update_reply_handler (wrk, e->data); break; + case SESSION_CTRL_EVT_APP_ADD_SEGMENT: + vcl_session_app_add_segment_handler (wrk, e->data); + break; + case SESSION_CTRL_EVT_APP_DEL_SEGMENT: + vcl_session_app_del_segment_handler (wrk, e->data); + break; default: clib_warning ("unhandled %u", e->event_type); } @@ -2091,6 +2133,12 @@ vcl_select_handle_mq_event (vcl_worker_t * wrk, session_event_t * e, case SESSION_CTRL_EVT_REQ_WORKER_UPDATE: vcl_session_req_worker_update_handler (wrk, e->data); break; + case SESSION_CTRL_EVT_APP_ADD_SEGMENT: + vcl_session_app_add_segment_handler (wrk, e->data); + break; + case SESSION_CTRL_EVT_APP_DEL_SEGMENT: + vcl_session_app_del_segment_handler (wrk, e->data); + break; default: clib_warning ("unhandled: %u", e->event_type); break; @@ -2669,6 +2717,12 @@ vcl_epoll_wait_handle_mq_event (vcl_worker_t * wrk, session_event_t * e, case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY: vcl_session_worker_update_reply_handler (wrk, e->data); break; + case SESSION_CTRL_EVT_APP_ADD_SEGMENT: + vcl_session_app_add_segment_handler (wrk, e->data); + break; + case SESSION_CTRL_EVT_APP_DEL_SEGMENT: + vcl_session_app_del_segment_handler (wrk, e->data); + break; default: VDBG (0, "unhandled: %u", e->event_type); break; |