X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvcl%2Fvppcom.c;h=c7cd1e992b484b77a5e2083f44f1f8c2678a1c62;hb=69d011915812561288e7055ed07ea6e83cecfe3b;hp=aa149b76a9b492ce3ec3bfc4f0e5e8b1ed455854;hpb=9b95425de61d9f1c4b8bb7490b1250ac03fd8243;p=vpp.git diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index aa149b76a9b..c7cd1e992b4 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -134,8 +134,8 @@ typedef struct { volatile session_state_t state; - svm_fifo_t *server_rx_fifo; - svm_fifo_t *server_tx_fifo; + svm_fifo_t *rx_fifo; + svm_fifo_t *tx_fifo; u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF) u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF) u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG) @@ -146,18 +146,12 @@ typedef struct svm_queue_t *vpp_event_queue; /* Socket configuration state */ - /* TBD: covert 'is_*' vars to bit in session->attr; */ - u8 is_server; - u8 is_listen; - u8 is_cut_thru; - u8 is_nonblocking; u8 is_vep; u8 is_vep_session; u32 attr; u32 wait_cont_idx; vppcom_epoll_t vep; int libc_epfd; - u32 vrf; vppcom_ip46_t lcl_addr; vppcom_ip46_t peer_addr; u16 lcl_port; // network order @@ -191,6 +185,7 @@ typedef struct vppcom_cfg_t_ f64 accept_timeout; u32 event_ring_size; char *event_log_path; + u8 *vpp_api_filename; } vppcom_cfg_t; typedef struct vppcom_main_t_ @@ -200,7 +195,7 @@ typedef struct vppcom_main_t_ u32 *client_session_index_fifo; int main_cpu; - /* vpe input queue */ + /* vpp input queue */ svm_queue_t *vl_input_queue; /* API client handle */ @@ -389,7 +384,7 @@ vppcom_session_table_lookup_listener (u64 listener_handle) } session = pool_elt_at_index (vcm->sessions, p[0]); - ASSERT (session->is_listen); + ASSERT (session->state & STATE_LISTEN); return session; } @@ -424,13 +419,17 @@ static int vppcom_connect_to_vpp (char *app_name) { api_main_t *am = &api_main; + vppcom_cfg_t *vcl_cfg = &vcm->cfg; int rv = VPPCOM_OK; + if (!vcl_cfg->vpp_api_filename) + vcl_cfg->vpp_api_filename = format (0, "/vpe-api%c", 0); + if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: app (%s) connecting to VPP api...", - getpid (), app_name); + clib_warning ("VCL<%d>: app (%s) connecting to VPP api (%s)...", + getpid (), app_name, vcl_cfg->vpp_api_filename); - if (vl_client_connect_to_vlib ("/vpe-api", app_name, + if (vl_client_connect_to_vlib ((char *) vcl_cfg->vpp_api_filename, app_name, vcm->cfg.vpp_api_q_length) < 0) { clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name); @@ -498,7 +497,7 @@ vppcom_init_error_string_table (void) { vcm->error_string_by_error_number = hash_create (0, sizeof (uword)); -#define _(n,v,s) hash_set (vcm->error_string_by_error_number, -v, s); +#define _(n, v, s) hash_set (vcm->error_string_by_error_number, -v, s); foreach_vnet_api_error; #undef _ @@ -559,12 +558,12 @@ vppcom_wait_for_session_state_change (u32 session_index, clib_spinlock_unlock (&vcm->sessions_lockp); return rv; } - if (session->state == state) + if (session->state & state) { clib_spinlock_unlock (&vcm->sessions_lockp); return VPPCOM_OK; } - if (session->state == STATE_FAILED) + if (session->state & STATE_FAILED) { clib_spinlock_unlock (&vcm->sessions_lockp); return VPPCOM_ECONNREFUSED; @@ -849,6 +848,18 @@ vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) mp->segment_name, mp->segment_size); } +static void +vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp) +{ + +/* + * XXX Need segment_name to session_id hash, + * XXX - have sessionID by handle hash currently + */ + if (VPPCOM_DEBUG > 1) + clib_warning ("Unmapped segment '%s'", mp->segment_name); +} + static void vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp) { @@ -942,8 +953,7 @@ vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp) session_t *session = 0; u32 session_index; svm_fifo_t *rx_fifo, *tx_fifo; - u8 is_cut_thru = 0; - int rv; + int rv = VPPCOM_OK; session_index = mp->context; VCL_LOCK_AND_GET_SESSION (session_index, &session); @@ -954,7 +964,7 @@ done: "connect failed! %U", getpid (), mp->handle, session_index, format_api_error, ntohl (mp->retval)); - if (rv == VPPCOM_OK) + if (session) { session->state = STATE_FAILED; session->vpp_handle = mp->handle; @@ -971,33 +981,9 @@ done: if (rv) goto done_unlock; - /* We've been redirected */ - if (mp->segment_name_length > 0) - { - static svm_fifo_segment_create_args_t _a; - svm_fifo_segment_create_args_t *a = &_a; - - is_cut_thru = 1; - memset (a, 0, sizeof (*a)); - a->segment_name = (char *) mp->segment_name; - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: cut-thru segment: %s\n", - getpid (), a->segment_name); - - rv = svm_fifo_segment_attach (a); - vec_reset_length (a->new_segment_indices); - if (PREDICT_FALSE (rv)) - { - clib_warning ("VCL<%d>: sm_fifo_segment_attach ('%s') failed", - getpid (), a->segment_name); - goto done_unlock; - } - } - /* * Setup session */ - session->is_cut_thru = is_cut_thru; session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, svm_queue_t *); @@ -1006,8 +992,8 @@ done: tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); tx_fifo->client_session_index = session_index; - session->server_rx_fifo = rx_fifo; - session->server_tx_fifo = tx_fifo; + session->rx_fifo = rx_fifo; + session->tx_fifo = tx_fifo; session->vpp_handle = mp->handle; session->lcl_addr.is_ip4 = mp->is_ip4; clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip, @@ -1023,9 +1009,9 @@ done: " session_rx_fifo %p, refcnt %d," " session_tx_fifo %p, refcnt %d", getpid (), mp->handle, session_index, - session->server_rx_fifo, - session->server_rx_fifo->refcnt, - session->server_tx_fifo, session->server_tx_fifo->refcnt); + session->rx_fifo, + session->rx_fifo->refcnt, + session->tx_fifo, session->tx_fifo->refcnt); done_unlock: clib_spinlock_unlock (&vcm->sessions_lockp); } @@ -1036,14 +1022,12 @@ vppcom_send_connect_sock (session_t * session, u32 session_index) vl_api_connect_sock_t *cmp; /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */ - session->is_server = 0; cmp = vl_msg_api_alloc (sizeof (*cmp)); memset (cmp, 0, sizeof (*cmp)); cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK); cmp->client_index = vcm->my_client_index; cmp->context = session_index; - cmp->vrf = session->vrf; cmp->is_ip4 = session->peer_addr.is_ip4; clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip)); cmp->port = session->peer_port; @@ -1126,7 +1110,6 @@ done: sizeof (session->peer_addr.ip46)); session->lcl_port = mp->lcl_port; vppcom_session_table_add_listener (mp->handle, session_index); - session->is_listen = 1; session->state = STATE_LISTEN; if (VPPCOM_DEBUG > 1) @@ -1285,13 +1268,11 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) session->vpp_handle = mp->handle; session->client_context = mp->context; - session->server_rx_fifo = rx_fifo; - session->server_tx_fifo = tx_fifo; + session->rx_fifo = rx_fifo; + session->tx_fifo = tx_fifo; session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, svm_queue_t *); session->state = STATE_ACCEPT; - session->is_cut_thru = 0; - session->is_server = 1; session->peer_port = mp->port; session->peer_addr.is_ip4 = mp->is_ip4; clib_memcpy (&session->peer_addr.ip46, mp->ip, @@ -1305,8 +1286,6 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) /* TBD: move client_session_index_fifo into listener session */ clib_fifo_add1 (vcm->client_session_index_fifo, session_index); - clib_spinlock_unlock (&vcm->sessions_lockp); - if (VPPCOM_DEBUG > 1) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept " "request from %s address %U port %d queue %p!", getpid (), @@ -1323,7 +1302,7 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) if (session->peer_addr.is_ip4) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = @@ -1352,6 +1331,7 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) clib_warning ("ip6"); } } + clib_spinlock_unlock (&vcm->sessions_lockp); } @@ -1379,8 +1359,8 @@ vppcom_send_connect_session_reply (session_t * session, u32 session_index, rmp->context = session->client_context; rmp->retval = htonl (retval); rmp->handle = session->vpp_handle; - rmp->server_rx_fifo = pointer_to_uword (session->server_rx_fifo); - rmp->server_tx_fifo = pointer_to_uword (session->server_tx_fifo); + rmp->server_rx_fifo = pointer_to_uword (session->rx_fifo); + rmp->server_tx_fifo = pointer_to_uword (session->tx_fifo); rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue); rmp->segment_size = vcm->cfg.segment_size; len = vec_len (session->segment_name); @@ -1427,8 +1407,6 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) session->client_context = mp->context; session->vpp_handle = session_index; session->client_queue_address = mp->client_queue_address; - session->is_cut_thru = 1; - session->is_server = 1; session->lcl_port = mp->port; session->lcl_addr.is_ip4 = mp->is_ip4; clib_memcpy (&session->lcl_addr.ip46, mp->ip, @@ -1481,14 +1459,12 @@ vppcom_send_bind_sock (session_t * session, u32 session_index) vl_api_bind_sock_t *bmp; /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ - session->is_server = 1; bmp = vl_msg_api_alloc (sizeof (*bmp)); memset (bmp, 0, sizeof (*bmp)); bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK); bmp->client_index = vcm->my_client_index; bmp->context = session_index; - bmp->vrf = session->vrf; bmp->is_ip4 = session->lcl_addr.is_ip4; clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip)); bmp->port = session->lcl_port; @@ -1517,6 +1493,7 @@ vppcom_session_unbind (u32 session_index) session_t *session = 0; int rv; u64 vpp_handle; + elog_track_t session_elog_track; VCL_LOCK_AND_GET_SESSION (session_index, &session); @@ -1524,6 +1501,7 @@ vppcom_session_unbind (u32 session_index) vppcom_session_table_del_listener (vpp_handle); session->vpp_handle = ~0; session->state = STATE_DISCONNECT; + session_elog_track = session->elog_track; clib_spinlock_unlock (&vcm->sessions_lockp); @@ -1531,7 +1509,8 @@ vppcom_session_unbind (u32 session_index) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " "sending unbind msg! new state 0x%x (%s)", getpid (), vpp_handle, session_index, - session->state, vppcom_session_state_str (session->state)); + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT)); if (VPPCOM_DEBUG > 0) { @@ -1547,10 +1526,11 @@ vppcom_session_unbind (u32 session_index) u64 handle; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->handle = vpp_handle; /* *INDENT-ON* */ } + vppcom_send_unbind_sock (vpp_handle); done: @@ -1562,30 +1542,24 @@ vppcom_session_disconnect (u32 session_index) { int rv; session_t *session; - u8 is_cut_thru, is_listen, is_server; u64 vpp_handle; session_state_t state; VCL_LOCK_AND_GET_SESSION (session_index, &session); vpp_handle = session->vpp_handle; - is_server = session->is_server; - is_listen = session->is_listen; - is_cut_thru = session->is_cut_thru; state = session->state; clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 1) { - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s " - "state 0x%x (%s), is_cut_thru %d, is_listen %d", + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u " + "state 0x%x (%s)", getpid (), vpp_handle, session_index, - is_server ? "server" : "client", - state, vppcom_session_state_str (state), - is_cut_thru, is_listen); + state, vppcom_session_state_str (state)); } - if (PREDICT_FALSE (is_listen)) + if (PREDICT_FALSE (state & STATE_LISTEN)) { clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " "Cannot disconnect a listen socket!", @@ -1594,76 +1568,30 @@ vppcom_session_disconnect (u32 session_index) goto done; } - /* Through the VPP host stack... + /* The peer has already initiated the close, + * so send the disconnect session reply. */ - else if (!is_cut_thru) + if (state & STATE_CLOSE_ON_EMPTY) { - /* The peer has already initiated the close, - * so send the disconnect session reply. - */ - if (state & STATE_CLOSE_ON_EMPTY) - { - vppcom_send_disconnect_session_reply (vpp_handle, - session_index, 0 /* rv */ ); - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "sending disconnect REPLY...", - getpid (), vpp_handle, session_index); - } - - /* Otherwise, send a disconnect session msg... - */ - else - { - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "sending disconnect...", - getpid (), vpp_handle, session_index); - - vppcom_send_disconnect_session (vpp_handle, session_index); - } + //XXX alagalah - Check and drain here? + vppcom_send_disconnect_session_reply (vpp_handle, + session_index, 0 /* rv */ ); + if (VPPCOM_DEBUG > 1) + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " + "sending disconnect REPLY...", + getpid (), vpp_handle, session_index); } - /* Cut-thru connections... - * - * server: free fifos and segment allocated during connect/redirect - * client: no cleanup required + /* Otherwise, send a disconnect session msg... */ else { - if (is_server) - { - svm_fifo_segment_main_t *sm = &svm_fifo_segment_main; - svm_fifo_segment_private_t *seg; - - VCL_LOCK_AND_GET_SESSION (session_index, &session); - - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: sid %d: freeing cut-thru fifos in " - "sm_seg_index %d! " - " server_rx_fifo %p, refcnt = %d" - " server_tx_fifo %p, refcnt = %d", - getpid (), session_index, session->sm_seg_index, - session->server_rx_fifo, - session->server_rx_fifo->refcnt, - session->server_tx_fifo, - session->server_tx_fifo->refcnt); - - seg = vec_elt_at_index (sm->segments, session->sm_seg_index); - svm_fifo_segment_free_fifo (seg, session->server_rx_fifo, - FIFO_SEGMENT_RX_FREELIST); - svm_fifo_segment_free_fifo (seg, session->server_tx_fifo, - FIFO_SEGMENT_TX_FREELIST); - svm_fifo_segment_delete (seg); - - /* TBD: Send cut-thru disconnect event to client */ + if (VPPCOM_DEBUG > 1) + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " + "sending disconnect...", + getpid (), vpp_handle, session_index); - clib_spinlock_unlock (&vcm->sessions_lockp); - } - else - { - /* TBD: Send cut-thru disconnect event to server */ - } + vppcom_send_disconnect_session (vpp_handle, session_index); } done: @@ -1682,12 +1610,13 @@ _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ _(RESET_SESSION, reset_session) \ _(APPLICATION_ATTACH_REPLY, application_attach_reply) \ _(APPLICATION_DETACH_REPLY, application_detach_reply) \ -_(MAP_ANOTHER_SEGMENT, map_another_segment) +_(MAP_ANOTHER_SEGMENT, map_another_segment) \ +_(UNMAP_SEGMENT, unmap_segment) static void vppcom_api_hookup (void) { -#define _(N,n) \ +#define _(N, n) \ vl_msg_api_set_handlers(VL_API_##N, #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ @@ -1740,12 +1669,20 @@ vppcom_cfg_heapsize (char *conf_fname) if (fp == NULL) { if (VPPCOM_DEBUG > 0) - fprintf (stderr, "open configuration file '%s' failed\n", conf_fname); + clib_warning ("VCL<%d>: using default heapsize %lld (0x%llx)", + getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize); goto defaulted; } + argv = calloc (1, sizeof (char *)); if (argv == NULL) - goto defaulted; + { + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: calloc failed, using default " + "heapsize %lld (0x%llx)", + getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize); + goto defaulted; + } while (1) { @@ -1759,11 +1696,25 @@ vppcom_cfg_heapsize (char *conf_fname) argc++; char **tmp = realloc (argv, argc * sizeof (char *)); if (tmp == NULL) - goto defaulted; + { + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: realloc failed, " + "using default heapsize %lld (0x%llx)", + getpid (), vcl_cfg->heapsize, + vcl_cfg->heapsize); + goto defaulted; + } argv = tmp; arg = strndup (p, 1024); if (arg == NULL) - goto defaulted; + { + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: strndup failed, " + "using default heapsize %lld (0x%llx)", + getpid (), vcl_cfg->heapsize, + vcl_cfg->heapsize); + goto defaulted; + } argv[argc - 1] = arg; p = strtok (NULL, " \t\n"); } @@ -1774,7 +1725,13 @@ vppcom_cfg_heapsize (char *conf_fname) char **tmp = realloc (argv, (argc + 1) * sizeof (char *)); if (tmp == NULL) - goto defaulted; + { + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: realloc failed, " + "using default heapsize %lld (0x%llx)", + getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize); + goto defaulted; + } argv = tmp; argv[argc] = NULL; @@ -1836,18 +1793,21 @@ defaulted: "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, " "-1, 0) failed!", getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize); + ASSERT (vcl_mem != MAP_FAILED); return; } heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize); if (!heap) { clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ()); + ASSERT (heap); return; } vcl_mem = clib_mem_alloc (sizeof (_vppcom_main)); if (!vcl_mem) { clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ()); + ASSERT (vcl_mem); return; } @@ -1875,7 +1835,7 @@ vppcom_cfg_read (char *conf_fname) if (fd < 0) { if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: open configuration file '%s' failed!", + clib_warning ("VCL<%d>: using default configuration.", getpid (), conf_fname); goto file_done; } @@ -1883,15 +1843,16 @@ vppcom_cfg_read (char *conf_fname) if (fstat (fd, &s) < 0) { if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: failed to stat `%s'", getpid (), conf_fname); + clib_warning ("VCL<%d>: failed to stat `%s', " + "using default configuration", getpid (), conf_fname); goto file_done; } if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode))) { if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: not a regular file `%s'", - getpid (), conf_fname); + clib_warning ("VCL<%d>: not a regular file `%s', " + "using default configuration", getpid (), conf_fname); goto file_done; } @@ -1923,10 +1884,16 @@ vppcom_cfg_read (char *conf_fname) else if (unformat (line_input, "api-prefix %s", &chroot_path)) { vec_terminate_c_string (chroot_path); + if (vcl_cfg->vpp_api_filename) + vec_free (vcl_cfg->vpp_api_filename); + vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c", + chroot_path, 0); vl_set_memory_root_path ((char *) chroot_path); + if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: configured api-prefix %s", - getpid (), chroot_path); + clib_warning ("VCL<%d>: configured api-prefix (%s) and " + "api filename (%s)", getpid (), chroot_path, + vcl_cfg->vpp_api_filename); chroot_path = 0; /* Don't vec_free() it! */ } else if (unformat (line_input, "vpp-api-q-length %d", &q_len)) @@ -2206,29 +2173,59 @@ vppcom_app_create (char *app_name) { u32 tmp; if (sscanf (env_var_str, "%u", &tmp) != 1) - clib_warning ("VCL<%d>: Invalid debug level specified in " - "the environment variable " - VPPCOM_ENV_DEBUG + clib_warning ("VCL<%d>: WARNING: Invalid debug level specified " + "in the environment variable " VPPCOM_ENV_DEBUG " (%s)!\n", getpid (), env_var_str); else { vcm->debug = tmp; - clib_warning ("VCL<%d>: configured VCL debug level (%u) from " - VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug); + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: configured VCL debug level (%u) from " + VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug); } } conf_fname = getenv (VPPCOM_ENV_CONF); if (!conf_fname) - { - conf_fname = VPPCOM_CONF_DEFAULT; - if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: getenv '%s' failed!", getpid (), - VPPCOM_ENV_CONF); - } + conf_fname = VPPCOM_CONF_DEFAULT; vppcom_cfg_heapsize (conf_fname); + vcl_cfg = &vcm->cfg; clib_fifo_validate (vcm->client_session_index_fifo, vcm->cfg.listen_queue_size); vppcom_cfg_read (conf_fname); + + env_var_str = getenv (VPPCOM_ENV_API_PREFIX); + if (env_var_str) + { + if (vcl_cfg->vpp_api_filename) + vec_free (vcl_cfg->vpp_api_filename); + vcl_cfg->vpp_api_filename = format (0, "/%s-vpe-api%c", + env_var_str, 0); + vl_set_memory_root_path ((char *) env_var_str); + + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: configured api prefix (%s) and " + "filename (%s) from " VPPCOM_ENV_API_PREFIX "!", + getpid (), env_var_str, vcl_cfg->vpp_api_filename); + } + + env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET); + if (env_var_str) + { + u64 tmp; + if (sscanf (env_var_str, "%lu", &tmp) != 1) + clib_warning ("VCL<%d>: WARNING: Invalid namespace secret " + "specified in the environment variable " + VPPCOM_ENV_APP_NAMESPACE_SECRET + " (%s)!\n", getpid (), env_var_str); + else + { + vcm->cfg.namespace_secret = tmp; + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: configured namespace secret " + "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!", + getpid (), vcm->cfg.namespace_secret); + } + } env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID); if (env_var_str) { @@ -2240,16 +2237,16 @@ vppcom_app_create (char *app_name) if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: configured namespace_id (%v) from " - VPPCOM_ENV_APP_NAMESPACE_ID "!", getpid (), - vcm->cfg.namespace_id); + VPPCOM_ENV_APP_NAMESPACE_ID + "!", getpid (), vcm->cfg.namespace_id); } env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET); if (env_var_str) { u64 tmp; if (sscanf (env_var_str, "%lu", &tmp) != 1) - clib_warning ("VCL<%d>: Invalid namespace secret specified in " - "the environment variable " + clib_warning ("VCL<%d>: WARNING: Invalid namespace secret " + "specified in the environment variable " VPPCOM_ENV_APP_NAMESPACE_SECRET " (%s)!\n", getpid (), env_var_str); else @@ -2257,8 +2254,9 @@ vppcom_app_create (char *app_name) vcm->cfg.namespace_secret = tmp; if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: configured namespace secret " - "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!", - getpid (), vcm->cfg.namespace_secret); + "(%lu) from " + VPPCOM_ENV_APP_NAMESPACE_ID + "!", getpid (), vcm->cfg.namespace_secret); } } if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP)) @@ -2266,7 +2264,8 @@ vppcom_app_create (char *app_name) vcm->cfg.app_proxy_transport_tcp = 1; if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: configured app_proxy_transport_tcp " - "(%u) from " VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP + "(%u) from " + VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP "!", getpid (), vcm->cfg.app_proxy_transport_tcp); } if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP)) @@ -2274,7 +2273,8 @@ vppcom_app_create (char *app_name) vcm->cfg.app_proxy_transport_udp = 1; if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: configured app_proxy_transport_udp " - "(%u) from " VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP + "(%u) from " + VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP "!", getpid (), vcm->cfg.app_proxy_transport_udp); } if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL)) @@ -2282,16 +2282,16 @@ vppcom_app_create (char *app_name) vcm->cfg.app_scope_local = 1; if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: configured app_scope_local (%u) from " - VPPCOM_ENV_APP_SCOPE_LOCAL "!", getpid (), - vcm->cfg.app_scope_local); + VPPCOM_ENV_APP_SCOPE_LOCAL + "!", getpid (), vcm->cfg.app_scope_local); } if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL)) { vcm->cfg.app_scope_global = 1; if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: configured app_scope_global (%u) from " - VPPCOM_ENV_APP_SCOPE_GLOBAL "!", getpid (), - vcm->cfg.app_scope_global); + VPPCOM_ENV_APP_SCOPE_GLOBAL + "!", getpid (), vcm->cfg.app_scope_global); } vcm->main_cpu = os_get_thread_index (); @@ -2305,8 +2305,8 @@ vppcom_app_create (char *app_name) clib_time_init (&vcm->clib_time); vppcom_init_error_string_table (); - svm_fifo_segment_init (vcl_cfg->segment_baseva, - 20 /* timeout in secs */ ); + svm_fifo_segment_main_init (vcl_cfg->segment_baseva, + 20 /* timeout in secs */ ); clib_spinlock_init (&vcm->sessions_lockp); } @@ -2403,25 +2403,27 @@ vppcom_app_destroy (void) } int -vppcom_session_create (u32 vrf, u8 proto, u8 is_nonblocking) +vppcom_session_create (u8 proto, u8 is_nonblocking) { session_t *session; u32 session_index; + session_state_t state; + elog_track_t session_elog_track; clib_spinlock_lock (&vcm->sessions_lockp); pool_get (vcm->sessions, session); memset (session, 0, sizeof (*session)); session_index = session - vcm->sessions; - session->vrf = vrf; session->proto = proto; session->state = STATE_START; - session->is_nonblocking = is_nonblocking ? 1 : 0; + state = session->state; session->vpp_handle = ~0; - clib_spinlock_unlock (&vcm->sessions_lockp); - if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: sid %u", getpid (), session_index); + if (is_nonblocking) + VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK); + else + VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK); if (VPPCOM_DEBUG > 0) { @@ -2429,24 +2431,32 @@ vppcom_session_create (u32 vrf, u8 proto, u8 is_nonblocking) (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index, session_index, 0); elog_track_register (&vcm->elog_main, &session->elog_track); + session_elog_track = session->elog_track; + } + clib_spinlock_unlock (&vcm->sessions_lockp); + + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: sid %u", getpid (), session_index); + + if (VPPCOM_DEBUG > 0) + { /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { - .format = "session_create:vrf:%d proto:%d state:%d is_nonblocking:%d", - .format_args = "i4i4i4i4", + .format = "session_create:proto:%d state:%d is_nonblocking:%d", + .format_args = "i4i4i4", }; struct { - u32 data[4]; + u32 data[3]; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); - ed->data[0] = session->vrf; - ed->data[1] = session->proto; - ed->data[2] = session->state; - ed->data[3] = session->is_nonblocking; + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); + ed->data[0] = proto; + ed->data[1] = state; + ed->data[2] = is_nonblocking; /* *INDENT-ON* */ } @@ -2458,7 +2468,6 @@ vppcom_session_close (uint32_t session_index) { session_t *session = 0; int rv; - u8 is_listen; u8 is_vep; u8 is_vep_session; u32 next_sid; @@ -2466,9 +2475,9 @@ vppcom_session_close (uint32_t session_index) u64 vpp_handle; uword *p; session_state_t state; + elog_track_t session_elog_track; VCL_LOCK_AND_GET_SESSION (session_index, &session); - is_listen = session->is_listen; is_vep = session->is_vep; is_vep_session = session->is_vep_session; next_sid = session->vep.next_sid; @@ -2477,6 +2486,19 @@ vppcom_session_close (uint32_t session_index) vpp_handle = session->vpp_handle; clib_spinlock_unlock (&vcm->sessions_lockp); + /* + * Why two if(VPPCOM_DEBUG) checks? + * + * Eventually all clib_warnings need their own way of being + * logged and signalled (like severity) where event logging + * is a separate debugging tool. It will make the separation + * easier. ... parting is such sweet sorrow ... + */ + if (VPPCOM_DEBUG > 0) + { + session_elog_track = session->elog_track; + } + if (VPPCOM_DEBUG > 0) { if (is_vep) @@ -2517,19 +2539,16 @@ vppcom_session_close (uint32_t session_index) vep_idx, rv, vppcom_retval_str (rv)); } - if (is_listen) + if (state & STATE_LISTEN) { - if (state == STATE_LISTEN) + rv = vppcom_session_unbind (session_index); + if (PREDICT_FALSE (rv < 0)) { - rv = vppcom_session_unbind (session_index); - if (PREDICT_FALSE (rv < 0)) - { - if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "listener unbind failed! rv %d (%s)", - getpid (), vpp_handle, session_index, - rv, vppcom_retval_str (rv)); - } + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " + "listener unbind failed! rv %d (%s)", + getpid (), vpp_handle, session_index, + rv, vppcom_retval_str (rv)); } } @@ -2553,6 +2572,7 @@ vppcom_session_close (uint32_t session_index) hash_unset (vcm->session_index_by_vpp_handles, vpp_handle); } pool_put_index (vcm->sessions, session_index); + clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 0) @@ -2580,7 +2600,7 @@ done: u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->data = rv; /* *INDENT-ON* */ } @@ -2608,7 +2628,6 @@ vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep) goto done; } - session->vrf = ep->vrf; session->lcl_addr.is_ip4 = ep->is_ip4; session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip); session->lcl_port = ep->port; @@ -2626,7 +2645,7 @@ vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep) { if (session->lcl_addr.is_ip4) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "bind local:%s:%d.%d.%d.%d:%d ", @@ -2664,6 +2683,9 @@ vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len) u64 listen_vpp_handle; int rv, retval; + if (q_len == 0 || q_len == ~0) + q_len = vcm->cfg.listen_queue_size; + VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session); if (listen_session->is_vep) @@ -2676,7 +2698,7 @@ vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len) } listen_vpp_handle = listen_session->vpp_handle; - if (listen_session->is_listen) + if (listen_session->state & STATE_LISTEN) { clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 0) @@ -2726,7 +2748,6 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, u32 client_session_index = ~0; int rv; f64 wait_for; - char *cut_thru_str; u64 listen_vpp_handle; VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session); @@ -2752,7 +2773,9 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, rv = VPPCOM_EBADFD; goto done; } - wait_for = (listen_session->is_nonblocking) ? 0 : vcm->cfg.accept_timeout; + wait_for = (VCL_SESS_ATTR_TEST (listen_session->attr, + VCL_SESS_ATTR_NONBLOCK)) + ? 0 : vcm->cfg.accept_timeout; clib_spinlock_unlock (&vcm->sessions_lockp); @@ -2786,18 +2809,21 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, goto done; } - client_session->is_nonblocking = (flags & O_NONBLOCK) ? 1 : 0; + if (flags & O_NONBLOCK) + VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK); + else + VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK); + if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! " "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u", getpid (), listen_vpp_handle, listen_session_index, client_session->vpp_handle, client_session_index, - flags, client_session->is_nonblocking); + flags, VCL_SESS_ATTR_TEST (client_session->attr, + VCL_SESS_ATTR_NONBLOCK)); if (ep) { - ep->vrf = client_session->vrf; - ep->is_cut_thru = client_session->is_cut_thru; ep->is_ip4 = client_session->peer_addr.is_ip4; ep->port = client_session->peer_port; if (client_session->peer_addr.is_ip4) @@ -2808,140 +2834,16 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, sizeof (ip6_address_t)); } - if (client_session->is_server && client_session->is_cut_thru) - { - static svm_fifo_segment_create_args_t _a; - svm_fifo_segment_create_args_t *a = &_a; - svm_fifo_segment_private_t *seg; - - cut_thru_str = " cut-thru "; - - /* Create the segment */ - memset (a, 0, sizeof (*a)); - a->segment_name = (char *) - format ((u8 *) a->segment_name, "%d:segment%d%c", - getpid (), vcm->unique_segment_index++, 0); - a->segment_size = vcm->cfg.segment_size; - a->preallocated_fifo_pairs = vcm->cfg.preallocated_fifo_pairs; - a->rx_fifo_size = vcm->cfg.rx_fifo_size; - a->tx_fifo_size = vcm->cfg.tx_fifo_size; - - rv = svm_fifo_segment_create (a); - if (PREDICT_FALSE (rv)) - { - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "client sid %u svm_fifo_segment_create ('%s') " - "failed! rv %d", getpid (), listen_vpp_handle, - listen_session_index, client_session_index, - a->segment_name, rv); - vec_reset_length (a->new_segment_indices); - rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - rv); - clib_spinlock_unlock (&vcm->sessions_lockp); - rv = VPPCOM_ENOMEM; - goto done; - } - - client_session->segment_name = vec_dup ((u8 *) a->segment_name); - client_session->sm_seg_index = a->new_segment_indices[0]; - vec_free (a->new_segment_indices); - - seg = svm_fifo_segment_get_segment (client_session->sm_seg_index); - client_session->server_rx_fifo = - svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size, - FIFO_SEGMENT_RX_FREELIST); - if (PREDICT_FALSE (!client_session->server_rx_fifo)) - { - svm_fifo_segment_delete (seg); - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "client sid %u rx fifo alloc failed! " - "size %ld (0x%lx)", getpid (), listen_vpp_handle, - listen_session_index, client_session_index, - vcm->cfg.rx_fifo_size, vcm->cfg.rx_fifo_size); - rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - rv); - clib_spinlock_unlock (&vcm->sessions_lockp); - rv = VPPCOM_ENOMEM; - goto done; - } - client_session->server_rx_fifo->master_session_index = - client_session_index; - - client_session->server_tx_fifo = - svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size, - FIFO_SEGMENT_TX_FREELIST); - if (PREDICT_FALSE (!client_session->server_tx_fifo)) - { - svm_fifo_segment_delete (seg); - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "client sid %u tx fifo alloc failed! " - "size %ld (0x%lx)", getpid (), listen_vpp_handle, - listen_session_index, client_session_index, - vcm->cfg.tx_fifo_size, vcm->cfg.tx_fifo_size); - rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - rv); - clib_spinlock_unlock (&vcm->sessions_lockp); - rv = VPPCOM_ENOMEM; - goto done; - } - client_session->server_tx_fifo->master_session_index = - client_session_index; - - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u " - "created segment '%s', rx_fifo %p, tx_fifo %p", - getpid (), listen_vpp_handle, listen_session_index, - client_session_index, client_session->segment_name, - client_session->server_rx_fifo, - client_session->server_tx_fifo); - -#ifdef CUT_THRU_EVENT_QUEUE /* TBD */ - { - void *oldheap; - ssvm_shared_header_t *sh = seg->ssvm.sh; - - ssvm_lock_non_recursive (sh, 1); - oldheap = ssvm_push_heap (sh); - event_q = client_session->vpp_event_queue = - svm_queue_init (vcm->cfg.event_queue_size, - sizeof (session_fifo_event_t), - getpid (), 0 /* signal not sent */ ); - ssvm_pop_heap (oldheap); - ssvm_unlock_non_recursive (sh); - } -#endif - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - 0 /* retval OK */ ); - } - else - { - cut_thru_str = " "; - vppcom_send_accept_session_reply (client_session->vpp_handle, - client_session->client_context, - 0 /* retval OK */ ); - } + vppcom_send_accept_session_reply (client_session->vpp_handle, + client_session->client_context, + 0 /* retval OK */ ); if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle " - "0x%llx, sid %u%sconnection to local %s address " + "0x%llx, sid %u connection to local %s address " "%U port %u", getpid (), listen_vpp_handle, listen_session_index, client_session->vpp_handle, - client_session_index, cut_thru_str, + client_session_index, client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &client_session->lcl_addr.ip46, client_session->lcl_addr.is_ip4, @@ -2954,10 +2856,11 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, client_session_index, 0); elog_track_register (&vcm->elog_main, &client_session->elog_track); + // Two elog entries due to 20-byte per entry constraint. /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { - .format = "accept cut-thru: listen_handle:%x from_handle:%x", + .format = "accept: listen_handle:%x from_handle:%x", .format_args = "i8i8", }; @@ -2973,10 +2876,10 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, if (client_session->lcl_addr.is_ip4) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e2) = { - .format = "accept cut-thru: S:%d %d.%d.%d.%d:%d ", + .format = "accept: S:%d %d.%d.%d.%d:%d ", .format_args = "i4i1i1i1i1i2", }; @@ -3008,8 +2911,8 @@ int vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) { session_t *session = 0; + u64 vpp_handle = 0; int rv, retval = VPPCOM_OK; - u64 vpp_handle = ~0; VCL_LOCK_AND_GET_SESSION (session_index, &session); @@ -3022,23 +2925,12 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) goto done; } - vpp_handle = session->vpp_handle; - if (PREDICT_FALSE (session->is_server)) - { - clib_spinlock_unlock (&vcm->sessions_lockp); - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: is in use " - "as a server session!", getpid (), vpp_handle, - session_index); - rv = VPPCOM_EBADFD; - goto done; - } - if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN)) { if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already " "connected to %s %U port %d proto %s, state 0x%x (%s)", - getpid (), vpp_handle, session_index, + getpid (), session->vpp_handle, session_index, session->peer_addr.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &session->peer_addr.ip46, session->peer_addr.is_ip4, @@ -3050,7 +2942,6 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) goto done; } - session->vrf = server_ep->vrf; session->peer_addr.is_ip4 = server_ep->is_ip4; session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip); session->peer_port = server_ep->port; @@ -3058,7 +2949,7 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server " "%s %U port %d proto %s", - getpid (), vpp_handle, session_index, + getpid (), session->vpp_handle, session_index, session->peer_addr.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &session->peer_addr.ip46, session->peer_addr.is_ip4, @@ -3081,9 +2972,17 @@ done: { rv = retval; if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! " - "returning %d (%s)", getpid (), vpp_handle, - session_index, rv, vppcom_retval_str (rv)); + { + if (session) + clib_warning + ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! " + "returning %d (%s)", getpid (), vpp_handle, + session_index, rv, vppcom_retval_str (rv)); + else + clib_warning ("VCL<%d>: no session for sid %u: connect failed! " + "returning %d (%s)", getpid (), + session_index, rv, vppcom_retval_str (rv)); + } } else if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!", @@ -3100,17 +2999,21 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, svm_fifo_t *rx_fifo; int n_read = 0; int rv; - char *fifo_str; + int is_nonblocking; + + u64 vpp_handle; u32 poll_et; session_state_t state; - u8 is_server; - u8 is_nonblocking; - u64 vpp_handle; ASSERT (buf); VCL_LOCK_AND_GET_SESSION (session_index, &session); + is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); + rx_fifo = session->rx_fifo; + state = session->state; + vpp_handle = session->vpp_handle; + if (PREDICT_FALSE (session->is_vep)) { clib_spinlock_unlock (&vcm->sessions_lockp); @@ -3120,30 +3023,20 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, goto done; } - vpp_handle = session->vpp_handle; - is_server = session->is_server; - is_nonblocking = session->is_nonblocking; - state = session->state; if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))) { clib_spinlock_unlock (&vcm->sessions_lockp); - rv = ((state == STATE_DISCONNECT) ? - VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); + rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is " "not open! state 0x%x (%s), returning %d (%s)", - getpid (), vpp_handle, session_index, - is_server ? "server" : "client", state, + getpid (), vpp_handle, session_index, state, vppcom_session_state_str (state), rv, vppcom_retval_str (rv)); goto done; } - rx_fifo = ((!session->is_cut_thru || is_server) ? - session->server_rx_fifo : session->server_tx_fifo); - fifo_str = ((!session->is_cut_thru || is_server) ? - "server_rx_fifo" : "server_tx_fifo"); clib_spinlock_unlock (&vcm->sessions_lockp); do @@ -3164,24 +3057,23 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, if (poll_et) session->vep.et_mask |= EPOLLIN; - if (state == STATE_CLOSE_ON_EMPTY) + if (state & STATE_CLOSE_ON_EMPTY) { - session_state_t new_state = STATE_DISCONNECT; rv = VPPCOM_ECONNRESET; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo " - "with %s session state 0x%x (%s)!" + "with session state 0x%x (%s)!" " Setting state to 0x%x (%s), returning %d (%s)", - getpid (), vpp_handle, session_index, - is_server ? "server" : "client", + getpid (), session->vpp_handle, session_index, state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; } else rv = VPPCOM_EAGAIN; @@ -3195,8 +3087,8 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, { if (rv > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes " - "from %s (%p)", getpid (), vpp_handle, - session_index, n_read, fifo_str, rx_fifo); + "from (%p)", getpid (), vpp_handle, + session_index, n_read, rx_fifo); else clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! " "returning %d (%s)", getpid (), vpp_handle, @@ -3221,11 +3113,9 @@ vppcom_session_peek (uint32_t session_index, void *buf, int n) static inline int vppcom_session_read_ready (session_t * session, u32 session_index) { - svm_fifo_t *rx_fifo = 0; int ready = 0; u32 poll_et; int rv; - u8 is_server = session->is_server; session_state_t state = session->state; u64 vpp_handle = session->vpp_handle; @@ -3238,29 +3128,25 @@ vppcom_session_read_ready (session_t * session, u32 session_index) goto done; } - if (session->is_listen) + if (session->state & STATE_LISTEN) ready = clib_fifo_elts (vcm->client_session_index_fifo); else { if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN))) { - rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET : + rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is " + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is " "not open! state 0x%x (%s), returning %d (%s)", getpid (), vpp_handle, session_index, - is_server ? "server" : "client", state, vppcom_session_state_str (state), rv, vppcom_retval_str (rv)); goto done; } - rx_fifo = ((!session->is_cut_thru || is_server) ? - session->server_rx_fifo : session->server_tx_fifo); - - ready = svm_fifo_max_dequeue (rx_fifo); + ready = svm_fifo_max_dequeue (session->rx_fifo); } if (ready == 0) @@ -3270,24 +3156,23 @@ vppcom_session_read_ready (session_t * session, u32 session_index) if (poll_et) session->vep.et_mask |= EPOLLIN; - if (state == STATE_CLOSE_ON_EMPTY) + if (state & STATE_CLOSE_ON_EMPTY) { rv = VPPCOM_ECONNRESET; - session_state_t new_state = STATE_DISCONNECT; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, " "sid %u: Empty fifo with" - " %s session state 0x%x (%s)! Setting state to " + " session state 0x%x (%s)! Setting state to " "0x%x (%s), returning %d (%s)", getpid (), session_index, vpp_handle, - is_server ? "server" : "client", state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; goto done; } } @@ -3312,55 +3197,49 @@ int vppcom_session_write (uint32_t session_index, void *buf, size_t n) { session_t *session = 0; - svm_fifo_t *tx_fifo; + svm_fifo_t *tx_fifo = 0; svm_queue_t *q; session_fifo_event_t evt; - int rv, n_write; - char *fifo_str; - u32 poll_et; - u8 is_server; - u8 is_nonblocking; session_state_t state; + int rv, n_write, is_nonblocking; + u32 poll_et; u64 vpp_handle; ASSERT (buf); VCL_LOCK_AND_GET_SESSION (session_index, &session); + tx_fifo = session->tx_fifo; + is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); + vpp_handle = session->vpp_handle; + state = session->state; + if (PREDICT_FALSE (session->is_vep)) { clib_spinlock_unlock (&vcm->sessions_lockp); clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " "cannot write to an epoll session!", - getpid (), session->vpp_handle, session_index); + getpid (), vpp_handle, session_index); rv = VPPCOM_EBADFD; goto done; } - is_server = session->is_server; - is_nonblocking = session->is_nonblocking; - vpp_handle = session->vpp_handle; - state = session->state; - if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) + if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) { - rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET : - VPPCOM_ENOTCONN); + rv = + ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : + VPPCOM_ENOTCONN); clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 1) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "%s session is not open! state 0x%x (%s)", + "session is not open! state 0x%x (%s)", getpid (), vpp_handle, session_index, - is_server ? "server" : "client", state, - vppcom_session_state_str (state)); + state, vppcom_session_state_str (state)); goto done; } - tx_fifo = ((!session->is_cut_thru || is_server) ? - session->server_tx_fifo : session->server_rx_fifo); - fifo_str = ((!session->is_cut_thru || is_server) ? - "server_tx_fifo" : "server_rx_fifo"); clib_spinlock_unlock (&vcm->sessions_lockp); do @@ -3370,7 +3249,7 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n) while (!is_nonblocking && (n_write <= 0)); /* If event wasn't set, add one */ - if (!session->is_cut_thru && (n_write > 0) && svm_fifo_set_event (tx_fifo)) + if ((n_write > 0) && svm_fifo_set_event (tx_fifo)) { /* Fabricate TX event, send to vpp */ evt.fifo = tx_fifo; @@ -3397,24 +3276,24 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n) if (poll_et) session->vep.et_mask |= EPOLLOUT; - if (state == STATE_CLOSE_ON_EMPTY) + if (session->state & STATE_CLOSE_ON_EMPTY) { - session_state_t new_state = STATE_DISCONNECT; rv = VPPCOM_ECONNRESET; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "Empty fifo with %s session state 0x%x (%s)!" + "Empty fifo with session state 0x%x (%s)!" " Setting state to 0x%x (%s), returning %d (%s)", - getpid (), vpp_handle, session_index, - is_server ? "server" : "client", - state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + getpid (), session->vpp_handle, session_index, + session->state, + vppcom_session_state_str (session->state), + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; } else rv = VPPCOM_EAGAIN; @@ -3428,12 +3307,12 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n) { if (n_write <= 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "FIFO-FULL %s (%p)", getpid (), vpp_handle, - session_index, fifo_str, tx_fifo); + "FIFO-FULL (%p)", getpid (), vpp_handle, + session_index, tx_fifo); else clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "wrote %d bytes to %s (%p)", getpid (), vpp_handle, - session_index, n_write, fifo_str, tx_fifo); + "wrote %d bytes tx-fifo: (%p)", getpid (), + vpp_handle, session_index, n_write, tx_fifo); } done: return rv; @@ -3442,13 +3321,11 @@ done: static inline int vppcom_session_write_ready (session_t * session, u32 session_index) { - svm_fifo_t *tx_fifo; - char *fifo_str; int ready; u32 poll_et; int rv; - u8 is_server = session->is_server; - session_state_t state = session->state; + + ASSERT (session); /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ if (PREDICT_FALSE (session->is_vep)) @@ -3460,7 +3337,7 @@ vppcom_session_write_ready (session_t * session, u32 session_index) goto done; } - if (PREDICT_FALSE (session->is_listen)) + if (PREDICT_FALSE (session->state & STATE_LISTEN)) { clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " "cannot write to a listen session!", @@ -3469,34 +3346,28 @@ vppcom_session_write_ready (session_t * session, u32 session_index) goto done; } - if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) + if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) { session_state_t state = session->state; - rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET : - VPPCOM_ENOTCONN); + rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "%s session is not open! state 0x%x (%s), " + "session is not open! state 0x%x (%s), " "returning %d (%s)", getpid (), session->vpp_handle, - session_index, is_server ? "server" : "client", + session_index, state, vppcom_session_state_str (state), rv, vppcom_retval_str (rv)); goto done; } - tx_fifo = ((!session->is_cut_thru || session->is_server) ? - session->server_tx_fifo : session->server_rx_fifo); - fifo_str = ((!session->is_cut_thru || session->is_server) ? - "server_tx_fifo" : "server_rx_fifo"); - - ready = svm_fifo_max_enqueue (tx_fifo); + ready = svm_fifo_max_enqueue (session->tx_fifo); if (VPPCOM_DEBUG > 3) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " "peek %s (%p), ready = %d", getpid (), session->vpp_handle, session_index, - fifo_str, tx_fifo, ready); + session->tx_fifo, ready); if (ready == 0) { @@ -3505,24 +3376,24 @@ vppcom_session_write_ready (session_t * session, u32 session_index) if (poll_et) session->vep.et_mask |= EPOLLOUT; - if (state == STATE_CLOSE_ON_EMPTY) + if (session->state & STATE_CLOSE_ON_EMPTY) { rv = VPPCOM_ECONNRESET; - session_state_t new_state = STATE_DISCONNECT; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "Empty fifo with %s session " + "Empty fifo with session " "state 0x%x (%s)! Setting state to 0x%x (%s), " "returning %d (%s)", getpid (), session->vpp_handle, session_index, - is_server ? "server" : "client", - state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + session->state, + vppcom_session_state_str (session->state), + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; goto done; } } @@ -3757,6 +3628,7 @@ vppcom_epoll_create (void) { session_t *vep_session; u32 vep_idx; + elog_track_t vep_elog_track; clib_spinlock_lock (&vcm->sessions_lockp); pool_get (vcm->sessions, vep_session); @@ -3769,6 +3641,16 @@ vppcom_epoll_create (void) vep_session->vep.prev_sid = ~0; vep_session->wait_cont_idx = ~0; vep_session->vpp_handle = ~0; + + if (VPPCOM_DEBUG > 0) + { + vep_session->elog_track.name = + (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index, + vep_idx, 0); + elog_track_register (&vcm->elog_main, &vep_session->elog_track); + vep_elog_track = vep_session->elog_track; + } + clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 0) @@ -3777,10 +3659,6 @@ vppcom_epoll_create (void) if (VPPCOM_DEBUG > 0) { - vep_session->elog_track.name = - (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index, - vep_idx, 0); - elog_track_register (&vcm->elog_main, &vep_session->elog_track); /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = @@ -3794,7 +3672,7 @@ vppcom_epoll_create (void) u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track); ed->data = vep_idx; /* *INDENT-ON* */ } @@ -3890,7 +3768,7 @@ vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index, event->events, event->data.u64); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "epoll_ctladd: events:%x data:%x", @@ -4006,7 +3884,7 @@ vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index, getpid (), vep_idx, session_index); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "epoll_ctldel: vep:%d", @@ -4041,6 +3919,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, int maxevents, double wait_for_time) { session_t *vep_session; + elog_track_t vep_elog_track; int rv; f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time; u32 keep_trying = 1; @@ -4060,6 +3939,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, vep_next_sid = vep_session->vep.next_sid; is_vep = vep_session->is_vep; wait_cont_idx = vep_session->wait_cont_idx; + vep_elog_track = vep_session->elog_track; clib_spinlock_unlock (&vcm->sessions_lockp); if (PREDICT_FALSE (!is_vep)) @@ -4071,12 +3951,12 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, } if (PREDICT_FALSE (vep_next_sid == ~0)) { - if (VPPCOM_DEBUG > 0) + if (VPPCOM_DEBUG > 1) clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!", getpid (), vep_idx); - if (VPPCOM_DEBUG > 0) + if (VPPCOM_DEBUG > 1) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "WRN: vep_idx:%d empty", @@ -4087,7 +3967,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track); ed->data = vep_idx; /* *INDENT-ON* */ @@ -4100,6 +3980,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 sid; u32 next_sid = ~0; session_t *session; + elog_track_t session_elog_track; for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx; sid != ~0; sid = next_sid) @@ -4117,6 +3998,12 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, is_vep_session = session->is_vep_session; session_vep_idx = session->vep.vep_idx; session_ev_data = session->vep.ev.data.u64; + + if (VPPCOM_DEBUG > 0) + { + session_elog_track = session->elog_track; + } + clib_spinlock_unlock (&vcm->sessions_lockp); if (PREDICT_FALSE (is_vep)) @@ -4126,7 +4013,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, getpid (), vep_idx); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "ERR:vep_idx:%d is vep", @@ -4137,7 +4024,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->data = vep_idx; /* *INDENT-ON* */ @@ -4153,7 +4040,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, "a vep session!", getpid (), sid); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "ERR:SID:%d not vep", @@ -4164,7 +4051,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->data = sid; /* *INDENT-ON* */ @@ -4177,7 +4064,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, { clib_warning ("VCL<%d>: ERROR: session (%u) " "vep_idx (%u) != vep_idx (%u)!", - getpid (), sid, session->vep.vep_idx, vep_idx); + getpid (), sid, session_vep_idx, vep_idx); rv = VPPCOM_EINVAL; goto done; } @@ -4293,6 +4180,9 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, vppcom_endpt_t *ep = buffer; VCL_LOCK_AND_GET_SESSION (session_index, &session); + + ASSERT (session); + switch (op) { case VPPCOM_ATTR_GET_NREAD: @@ -4302,7 +4192,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, getpid (), rv); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_NREAD: nread=%d", @@ -4328,7 +4218,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, getpid (), session_index, rv); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d", @@ -4349,15 +4239,18 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_GET_FLAGS: if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags)))) { - *flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0); + *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_NONBLOCK)); *buflen = sizeof (*flags); if (VPPCOM_DEBUG > 2) clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, " "flags = 0x%08x, is_nonblocking = %u", getpid (), - session_index, *flags, session->is_nonblocking); + session_index, *flags, + VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_NONBLOCK)); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d", @@ -4372,7 +4265,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); ed->flags = *flags; - ed->is_nonblk = session->is_nonblocking; + ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); /* *INDENT-ON* */ } @@ -4384,15 +4277,20 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_SET_FLAGS: if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags)))) { - session->is_nonblocking = (*flags & O_NONBLOCK) ? 1 : 0; + if (*flags & O_NONBLOCK) + VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK); + else + VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK); + if (VPPCOM_DEBUG > 2) clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, " "flags = 0x%08x, is_nonblocking = %u", getpid (), session_index, *flags, - session->is_nonblocking); + VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_NONBLOCK)); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d", @@ -4407,7 +4305,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); ed->flags = *flags; - ed->is_nonblk = session->is_nonblocking; + ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); /* *INDENT-ON* */ } } @@ -4419,7 +4317,6 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*ep)) && ep->ip)) { - ep->vrf = session->vrf; ep->is_ip4 = session->peer_addr.is_ip4; ep->port = session->peer_port; if (session->peer_addr.is_ip4) @@ -4439,7 +4336,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, { if (ep->is_ip4) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d", @@ -4461,7 +4358,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, } else { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d", @@ -4486,7 +4383,6 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*ep)) && ep->ip)) { - ep->vrf = session->vrf; ep->is_ip4 = session->lcl_addr.is_ip4; ep->port = session->lcl_port; if (session->lcl_addr.is_ip4) @@ -4506,7 +4402,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, { if (ep->is_ip4) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d", @@ -4528,7 +4424,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, } else { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d", @@ -4556,24 +4452,18 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, getpid (), rv); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { - .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%s%d buflen=%d", - .format_args = "t1i4i4", - .n_enum_strings = 2, - .enum_strings = {"", "-",}, + .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d", + .format_args = "i4", }; CLIB_PACKED (struct { - u8 sign; - u32 data[2]; + i32 data; }) * ed; ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); - - ed->sign = (session->libc_epfd < 0); - ed->data[0] = abs(session->libc_epfd); - ed->data[1] = *buflen; + ed->data = session->libc_epfd; /* *INDENT-ON* */ } @@ -4592,7 +4482,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d", @@ -4629,7 +4519,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *(int *) buffer ? "UDP" : "TCP", *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d", @@ -4665,7 +4555,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, "buflen %d", getpid (), *(int *) buffer, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d", @@ -4698,7 +4588,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *(int *) buffer, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d", @@ -4722,14 +4612,10 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_GET_TX_FIFO_LEN: if (buffer && buflen && (*buflen >= sizeof (u32))) { - svm_fifo_t *tx_fifo; - - tx_fifo = ((!session->is_cut_thru || session->is_server) ? - session->server_tx_fifo : session->server_rx_fifo); /* VPP-TBD */ *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size : - tx_fifo ? tx_fifo->nitems : + session->tx_fifo ? session->tx_fifo->nitems : vcm->cfg.tx_fifo_size); *buflen = sizeof (u32); @@ -4739,7 +4625,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *(size_t *) buffer, *(size_t *) buffer, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d", @@ -4772,7 +4658,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d", @@ -4796,14 +4682,10 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_GET_RX_FIFO_LEN: if (buffer && buflen && (*buflen >= sizeof (u32))) { - svm_fifo_t *rx_fifo; - - rx_fifo = ((!session->is_cut_thru || session->is_server) ? - session->server_rx_fifo : session->server_tx_fifo); /* VPP-TBD */ *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size : - rx_fifo ? rx_fifo->nitems : + session->rx_fifo ? session->rx_fifo->nitems : vcm->cfg.rx_fifo_size); *buflen = sizeof (u32); @@ -4813,7 +4695,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *(size_t *) buffer, *(size_t *) buffer, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d", @@ -4840,16 +4722,16 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, /* VPP-TBD */ session->rcvbuf_size = *(u32 *) buffer; if (VPPCOM_DEBUG > 2) - clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), " + clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), " "buflen %d, #VPP-TBD#", getpid (), session->sndbuf_size, session->sndbuf_size, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { - .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d", + .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d", .format_args = "i4i4", }; @@ -4881,7 +4763,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d", @@ -4920,7 +4802,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d", @@ -4956,7 +4838,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d", @@ -4995,7 +4877,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d", @@ -5031,7 +4913,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, *buflen); if (VPPCOM_DEBUG > 0) { - /* *INDENT-OFF* */ + /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d", @@ -5067,6 +4949,25 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_BROADCAST), *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_BROADCAST); + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5084,6 +4985,24 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, " "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = *(int *) buffer; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5103,6 +5022,25 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, "buflen %d, #VPP-TBD#", getpid (), VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_V6ONLY), *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_V6ONLY); + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5120,6 +5058,24 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, " "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = *(int *) buffer; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5140,6 +5096,25 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_KEEPALIVE), *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_KEEPALIVE); + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5157,6 +5132,24 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, " "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = *(int *) buffer; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5177,6 +5170,25 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_TCP_NODELAY), *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_TCP_NODELAY); + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5194,6 +5206,24 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, " "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = *(int *) buffer; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5214,6 +5244,25 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE), *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_TCP_KEEPIDLE); + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5231,6 +5280,24 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, " "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = *(int *) buffer; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5251,6 +5318,25 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL), *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_TCP_KEEPINTVL); + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5267,6 +5353,24 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, " "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = *(int *) buffer; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5279,9 +5383,27 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, session->user_mss = *(u32 *) buffer; if (VPPCOM_DEBUG > 2) - clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %u, " + clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, " "buflen %d, #VPP-TBD#", getpid (), session->user_mss, *buflen); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d", + .format_args = "i4i4", + }; + + struct { + u32 data[2]; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed->data[0] = session->user_mss; + ed->data[1] = *buflen; + /* *INDENT-ON* */ + } } else rv = VPPCOM_EINVAL; @@ -5315,11 +5437,27 @@ vppcom_session_recvfrom (uint32_t session_index, void *buffer, clib_warning ("VCL<%d>: invalid session, " "sid (%u) has been closed!", getpid (), session_index); + if (VPPCOM_DEBUG > 0) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "invalid session: %d closed", + .format_args = "i4", + }; + + struct { + u32 data; + } * ed; + + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track); + ed->data = session_index; + /* *INDENT-ON* */ + } rv = VPPCOM_EBADFD; clib_spinlock_unlock (&vcm->sessions_lockp); goto done; } - ep->vrf = session->vrf; ep->is_ip4 = session->peer_addr.is_ip4; ep->port = session->peer_port; if (session->peer_addr.is_ip4) @@ -5450,7 +5588,7 @@ vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time) } } - if (0) + if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION() { done: *vp[i].revents = POLLNVAL;