diff options
Diffstat (limited to 'src/vnet/session')
| -rw-r--r-- | src/vnet/session/application.c | 36 | ||||
| -rw-r--r-- | src/vnet/session/application.h | 52 | ||||
| -rw-r--r-- | src/vnet/session/application_local.c | 501 | ||||
| -rw-r--r-- | src/vnet/session/application_local.h | 88 | ||||
| -rw-r--r-- | src/vnet/session/application_worker.c | 446 | ||||
| -rw-r--r-- | src/vnet/session/segment_manager.c | 1 | ||||
| -rw-r--r-- | src/vnet/session/session.h | 8 | ||||
| -rwxr-xr-x | src/vnet/session/session_api.c | 1 | ||||
| -rw-r--r-- | src/vnet/session/session_node.c | 1 |
9 files changed, 605 insertions, 529 deletions
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c index 3bf722b81a0..954b934c138 100644 --- a/src/vnet/session/application.c +++ b/src/vnet/session/application.c @@ -16,6 +16,7 @@ #include <vnet/session/application.h> #include <vnet/session/application_interface.h> #include <vnet/session/application_namespace.h> +#include <vnet/session/application_local.h> #include <vnet/session/session.h> static app_main_t app_main; @@ -27,16 +28,6 @@ static app_main_t app_main; return 0; \ } -static void -application_local_listener_session_endpoint (local_session_t * ll, - session_endpoint_t * sep) -{ - sep->transport_proto = - session_type_transport_proto (ll->listener_session_type); - sep->port = ll->port; - sep->is_ip4 = ll->listener_session_type & 1; -} - static app_listener_t * app_listener_alloc (application_t * app) { @@ -65,27 +56,6 @@ app_listener_free (application_t * app, app_listener_t * app_listener) clib_memset (app_listener, 0xfa, sizeof (*app_listener)); } -local_session_t * -application_local_listen_session_alloc (application_t * app) -{ - local_session_t *ll; - pool_get_zero (app->local_listen_sessions, ll); - ll->session_index = ll - app->local_listen_sessions; - ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); - ll->app_index = app->app_index; - ll->session_state = SESSION_STATE_LISTENING; - return ll; -} - -void -application_local_listen_session_free (application_t * app, - local_session_t * ll) -{ - pool_put (app->local_listen_sessions, ll); - if (CLIB_DEBUG) - clib_memset (ll, 0xfb, sizeof (*ll)); -} - static u32 app_listener_id (app_listener_t * al) { @@ -227,7 +197,7 @@ app_listener_alloc_and_init (application_t * app, * lookups, prior to establishing connection. Requests transport to * build it's own specific listening connection. */ - ls = listen_session_new (0, st); + ls = listen_session_alloc (0, st); ls->app_index = app->app_index; ls->app_wrk_index = sep->app_wrk_index; @@ -266,7 +236,7 @@ app_listener_cleanup (app_listener_t * al) { session_t *ls = session_get (al->session_index, 0); session_stop_listen (ls); - listen_session_del (ls); + listen_session_free (ls); } if (al->local_index != SESSION_INVALID_INDEX) { diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h index 19a8a116f4b..209fb25e1b0 100644 --- a/src/vnet/session/application.h +++ b/src/vnet/session/application.h @@ -262,54 +262,12 @@ u8 *format_app_worker (u8 * s, va_list * args); u8 *format_app_worker_listener (u8 * s, va_list * args); void app_worker_format_connects (app_worker_t * app_wrk, int verbose); int vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a); +segment_manager_t *app_worker_get_local_segment_manager (app_worker_t * + app_worker); +segment_manager_t + * app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk, + local_session_t * ls); -/* - * Local session - */ - -local_session_t *app_worker_local_session_alloc (app_worker_t * app); -void app_worker_local_session_free (app_worker_t * app, local_session_t * ls); -local_session_t *app_worker_get_local_session (app_worker_t * app, - u32 session_index); -local_session_t *app_worker_get_local_session_from_handle (session_handle_t - handle); -int app_worker_local_session_connect (app_worker_t * client, - app_worker_t * server, - local_session_t * ls, u32 opaque); -int app_worker_local_session_connect_notify (local_session_t * ls); -int app_worker_local_session_disconnect (u32 app_or_wrk, - local_session_t * ls); -int app_worker_local_session_disconnect_w_index (u32 app_or_wrk, - u32 ls_index); -void app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose); -void app_worker_format_local_connects (app_worker_t * app, int verbose); - -always_inline local_session_t * -application_get_local_listen_session (application_t * app, u32 session_index) -{ - return pool_elt_at_index (app->local_listen_sessions, session_index); -} - -always_inline local_session_t * -application_get_local_listener_w_handle (session_handle_t handle) -{ - u32 server_index, session_index; - application_t *app; - local_session_parse_handle (handle, &server_index, &session_index); - app = application_get (server_index); - return application_get_local_listen_session (app, session_index); -} - -always_inline u8 -application_local_session_listener_has_transport (local_session_t * ls) -{ - transport_proto_t tp; - tp = session_type_transport_proto (ls->listener_session_type); - return (tp != TRANSPORT_PROTO_NONE); -} - -void mq_send_local_session_disconnected_cb (u32 app_or_wrk, - local_session_t * ls); uword unformat_application_proto (unformat_input_t * input, va_list * args); diff --git a/src/vnet/session/application_local.c b/src/vnet/session/application_local.c new file mode 100644 index 00000000000..54e53e5668e --- /dev/null +++ b/src/vnet/session/application_local.c @@ -0,0 +1,501 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <vnet/session/application_local.h> +#include <vnet/session/session.h> + +local_session_t * +application_local_listen_session_alloc (application_t * app) +{ + local_session_t *ll; + pool_get_zero (app->local_listen_sessions, ll); + ll->session_index = ll - app->local_listen_sessions; + ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); + ll->app_index = app->app_index; + ll->session_state = SESSION_STATE_LISTENING; + return ll; +} + +void +application_local_listen_session_free (application_t * app, + local_session_t * ll) +{ + pool_put (app->local_listen_sessions, ll); + if (CLIB_DEBUG) + clib_memset (ll, 0xfb, sizeof (*ll)); +} + +void +application_local_listener_session_endpoint (local_session_t * ll, + session_endpoint_t * sep) +{ + sep->transport_proto = + session_type_transport_proto (ll->listener_session_type); + sep->port = ll->port; + sep->is_ip4 = ll->listener_session_type & 1; +} + +local_session_t * +app_worker_local_session_alloc (app_worker_t * app_wrk) +{ + local_session_t *s; + pool_get (app_wrk->local_sessions, s); + clib_memset (s, 0, sizeof (*s)); + s->app_wrk_index = app_wrk->wrk_index; + s->session_index = s - app_wrk->local_sessions; + s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); + return s; +} + +void +app_worker_local_session_free (app_worker_t * app_wrk, local_session_t * s) +{ + pool_put (app_wrk->local_sessions, s); + if (CLIB_DEBUG) + clib_memset (s, 0xfc, sizeof (*s)); +} + +local_session_t * +app_worker_get_local_session (app_worker_t * app_wrk, u32 session_index) +{ + if (pool_is_free_index (app_wrk->local_sessions, session_index)) + return 0; + return pool_elt_at_index (app_wrk->local_sessions, session_index); +} + +local_session_t * +app_worker_get_local_session_from_handle (session_handle_t handle) +{ + app_worker_t *server_wrk; + u32 session_index, server_wrk_index; + local_session_parse_handle (handle, &server_wrk_index, &session_index); + server_wrk = app_worker_get_if_valid (server_wrk_index); + if (!server_wrk) + return 0; + return app_worker_get_local_session (server_wrk, session_index); +} + +static inline u64 +application_client_local_connect_key (local_session_t * ls) +{ + return (((u64) ls->app_wrk_index) << 32 | (u64) ls->session_index); +} + +static inline void +application_client_local_connect_key_parse (u64 key, u32 * app_wrk_index, + u32 * session_index) +{ + *app_wrk_index = key >> 32; + *session_index = key & 0xFFFFFFFF; +} + +void +app_worker_local_sessions_free (app_worker_t * app_wrk) +{ + u32 index, server_wrk_index, session_index; + u64 handle, *handles = 0; + app_worker_t *server_wrk; + segment_manager_t *sm; + local_session_t *ls; + int i; + + /* + * Local sessions + */ + if (app_wrk->local_sessions) + { + /* *INDENT-OFF* */ + pool_foreach (ls, app_wrk->local_sessions, ({ + app_worker_local_session_disconnect (app_wrk->wrk_index, ls); + })); + /* *INDENT-ON* */ + } + + /* + * Local connects + */ + vec_reset_length (handles); + /* *INDENT-OFF* */ + hash_foreach (handle, index, app_wrk->local_connects, ({ + vec_add1 (handles, handle); + })); + /* *INDENT-ON* */ + + for (i = 0; i < vec_len (handles); i++) + { + application_client_local_connect_key_parse (handles[i], + &server_wrk_index, + &session_index); + server_wrk = app_worker_get_if_valid (server_wrk_index); + if (server_wrk) + { + ls = app_worker_get_local_session (server_wrk, session_index); + app_worker_local_session_disconnect (app_wrk->wrk_index, ls); + } + } + + sm = segment_manager_get (app_wrk->local_segment_manager); + sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX; + segment_manager_del (sm); +} + +int +app_worker_local_session_cleanup (app_worker_t * client_wrk, + app_worker_t * server_wrk, + local_session_t * ls) +{ + svm_fifo_segment_private_t *seg; + session_t *listener; + segment_manager_t *sm; + u64 client_key; + u8 has_transport; + + /* Retrieve listener transport type as it is the one that decides where + * the fifos are allocated */ + has_transport = application_local_session_listener_has_transport (ls); + if (!has_transport) + sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls); + else + { + listener = listen_session_get (ls->listener_index); + sm = app_worker_get_listen_segment_manager (server_wrk, listener); + } + + seg = segment_manager_get_segment (sm, ls->svm_segment_index); + if (client_wrk) + { + client_key = application_client_local_connect_key (ls); + hash_unset (client_wrk->local_connects, client_key); + } + + if (!has_transport) + { + application_t *server = application_get (server_wrk->app_index); + u64 segment_handle = segment_manager_segment_handle (sm, seg); + server->cb_fns.del_segment_callback (server_wrk->api_client_index, + segment_handle); + if (client_wrk) + { + application_t *client = application_get (client_wrk->app_index); + client->cb_fns.del_segment_callback (client_wrk->api_client_index, + segment_handle); + } + segment_manager_del_segment (sm, seg); + } + + app_worker_local_session_free (server_wrk, ls); + + return 0; +} + +int +app_worker_local_session_connect_notify (local_session_t * ls) +{ + svm_fifo_segment_private_t *seg; + app_worker_t *client_wrk, *server_wrk; + segment_manager_t *sm; + application_t *client; + int rv, is_fail = 0; + u64 segment_handle; + u64 client_key; + + client_wrk = app_worker_get (ls->client_wrk_index); + server_wrk = app_worker_get (ls->app_wrk_index); + client = application_get (client_wrk->app_index); + + sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls); + seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index); + segment_handle = segment_manager_segment_handle (sm, seg); + if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index, + segment_handle))) + { + clib_warning ("failed to notify client %u of new segment", + ls->client_wrk_index); + segment_manager_segment_reader_unlock (sm); + app_worker_local_session_disconnect (ls->client_wrk_index, ls); + is_fail = 1; + } + else + { + segment_manager_segment_reader_unlock (sm); + } + + client->cb_fns.session_connected_callback (client_wrk->wrk_index, + ls->client_opaque, + (session_t *) ls, is_fail); + + client_key = application_client_local_connect_key (ls); + hash_set (client_wrk->local_connects, client_key, client_key); + return 0; +} + +static void +application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq) +{ + int fd; + + /* + * segment manager initializes only the producer eventds, since vpp is + * typically the producer. But for local sessions, we also pass to the + * apps the mqs they listen on for events from peer apps, so they are also + * consumer fds. + */ + fd = svm_msg_q_get_producer_eventfd (sq); + svm_msg_q_set_consumer_eventfd (sq, fd); + fd = svm_msg_q_get_producer_eventfd (cq); + svm_msg_q_set_consumer_eventfd (cq, fd); +} + +int +app_worker_local_session_connect (app_worker_t * client_wrk, + app_worker_t * server_wrk, + local_session_t * ll, u32 opaque) +{ + u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10; + u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index; + segment_manager_properties_t *props, *cprops; + int rv, has_transport, seg_index; + svm_fifo_segment_private_t *seg; + application_t *server, *client; + segment_manager_t *sm; + local_session_t *ls; + svm_msg_q_t *sq, *cq; + u64 segment_handle; + + ls = app_worker_local_session_alloc (server_wrk); + server = application_get (server_wrk->app_index); + client = application_get (client_wrk->app_index); + + props = application_segment_manager_properties (server); + cprops = application_segment_manager_properties (client); + evt_q_elts = props->evt_q_size + cprops->evt_q_size; + evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts); + round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size); + round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size); + seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin; + + has_transport = session_has_transport ((session_t *) ll); + if (!has_transport) + { + /* Local sessions don't have backing transport */ + ls->port = ll->port; + sm = app_worker_get_local_segment_manager (server_wrk); + } + else + { + session_t *sl = (session_t *) ll; + transport_connection_t *tc; + tc = listen_session_get_transport (sl); + ls->port = tc->lcl_port; + sm = app_worker_get_listen_segment_manager (server_wrk, sl); + } + + seg_index = segment_manager_add_segment (sm, seg_size); + if (seg_index < 0) + { + clib_warning ("failed to add new cut-through segment"); + return seg_index; + } + seg = segment_manager_get_segment_w_lock (sm, seg_index); + sq = segment_manager_alloc_queue (seg, props); + cq = segment_manager_alloc_queue (seg, cprops); + + if (props->use_mq_eventfd) + application_local_session_fix_eventds (sq, cq); + + ls->server_evt_q = pointer_to_uword (sq); + ls->client_evt_q = pointer_to_uword (cq); + rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size, + props->tx_fifo_size, + &ls->rx_fifo, &ls->tx_fifo); + if (rv) + { + clib_warning ("failed to add fifos in cut-through segment"); + segment_manager_segment_reader_unlock (sm); + goto failed; + } + sm_index = segment_manager_index (sm); + ls->rx_fifo->ct_session_index = ls->session_index; + ls->tx_fifo->ct_session_index = ls->session_index; + ls->rx_fifo->segment_manager = sm_index; + ls->tx_fifo->segment_manager = sm_index; + ls->rx_fifo->segment_index = seg_index; + ls->tx_fifo->segment_index = seg_index; + ls->svm_segment_index = seg_index; + ls->listener_index = ll->session_index; + ls->client_wrk_index = client_wrk->wrk_index; + ls->client_opaque = opaque; + ls->listener_session_type = ll->session_type; + ls->session_state = SESSION_STATE_READY; + + segment_handle = segment_manager_segment_handle (sm, seg); + if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index, + segment_handle))) + { + clib_warning ("failed to notify server of new segment"); + segment_manager_segment_reader_unlock (sm); + goto failed; + } + segment_manager_segment_reader_unlock (sm); + if ((rv = server->cb_fns.session_accept_callback ((session_t *) ls))) + { + clib_warning ("failed to send accept cut-through notify to server"); + goto failed; + } + if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN) + app_worker_local_session_connect_notify (ls); + + return 0; + +failed: + if (!has_transport) + segment_manager_del_segment (sm, seg); + return rv; +} + +int +app_worker_local_session_disconnect (u32 app_wrk_index, local_session_t * ls) +{ + app_worker_t *client_wrk, *server_wrk; + + client_wrk = app_worker_get_if_valid (ls->client_wrk_index); + server_wrk = app_worker_get (ls->app_wrk_index); + + if (ls->session_state == SESSION_STATE_CLOSED) + return app_worker_local_session_cleanup (client_wrk, server_wrk, ls); + + if (app_wrk_index == ls->client_wrk_index) + { + mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls); + } + else + { + if (!client_wrk) + { + return app_worker_local_session_cleanup (client_wrk, server_wrk, + ls); + } + else if (ls->session_state < SESSION_STATE_READY) + { + application_t *client = application_get (client_wrk->app_index); + client->cb_fns.session_connected_callback (client_wrk->wrk_index, + ls->client_opaque, + (session_t *) ls, + 1 /* is_fail */ ); + ls->session_state = SESSION_STATE_CLOSED; + return app_worker_local_session_cleanup (client_wrk, server_wrk, + ls); + } + else + { + mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls); + } + } + + ls->session_state = SESSION_STATE_CLOSED; + + return 0; +} + +int +app_worker_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index) +{ + app_worker_t *app_wrk; + local_session_t *ls; + app_wrk = app_worker_get (app_wrk_index); + ls = app_worker_get_local_session (app_wrk, ls_index); + return app_worker_local_session_disconnect (app_wrk_index, ls); +} + +void +app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose) +{ + vlib_main_t *vm = vlib_get_main (); + app_worker_t *client_wrk; + local_session_t *ls; + transport_proto_t tp; + u8 *conn = 0; + + /* Header */ + if (app_wrk == 0) + { + vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp", + "ClientApp"); + return; + } + + if (!pool_elts (app_wrk->local_sessions) + && !pool_elts (app_wrk->local_connects)) + return; + + /* *INDENT-OFF* */ + pool_foreach (ls, app_wrk->local_sessions, ({ + tp = session_type_transport_proto(ls->listener_session_type); + conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp, + ls->port); + client_wrk = app_worker_get (ls->client_wrk_index); + vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_index, + client_wrk->app_index); + vec_reset_length (conn); + })); + /* *INDENT-ON* */ + + vec_free (conn); +} + +void +app_worker_format_local_connects (app_worker_t * app, int verbose) +{ + vlib_main_t *vm = vlib_get_main (); + u32 app_wrk_index, session_index; + app_worker_t *server_wrk; + local_session_t *ls; + u64 client_key; + u64 value; + + /* Header */ + if (app == 0) + { + if (verbose) + vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App", + "Peer App", "SegManager"); + else + vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App", + "Peer App"); + return; + } + + if (!app->local_connects) + return; + + /* *INDENT-OFF* */ + hash_foreach (client_key, value, app->local_connects, ({ + application_client_local_connect_key_parse (client_key, &app_wrk_index, + &session_index); + server_wrk = app_worker_get (app_wrk_index); + ls = app_worker_get_local_session (server_wrk, session_index); + vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index, + ls->client_wrk_index); + })); + /* *INDENT-ON* */ +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/session/application_local.h b/src/vnet/session/application_local.h new file mode 100644 index 00000000000..70bb23e057c --- /dev/null +++ b/src/vnet/session/application_local.h @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef SRC_VNET_SESSION_APPLICATION_LOCAL_H_ +#define SRC_VNET_SESSION_APPLICATION_LOCAL_H_ + +#include <vnet/session/application.h> + +local_session_t *application_local_listen_session_alloc (application_t * app); +void application_local_listen_session_free (application_t * app, + local_session_t * ll); +void application_local_listener_session_endpoint (local_session_t * ll, + session_endpoint_t * sep); + +local_session_t *app_worker_local_session_alloc (app_worker_t * app_wrk); +void app_worker_local_session_free (app_worker_t * app_wrk, + local_session_t * s); +local_session_t *app_worker_get_local_session (app_worker_t * app_wrk, + u32 session_index); +local_session_t *app_worker_get_local_session_from_handle (session_handle_t + handle); + +void app_worker_local_sessions_free (app_worker_t * app_wrk); +int app_worker_local_session_cleanup (app_worker_t * client_wrk, + app_worker_t * server_wrk, + local_session_t * ls); + +int app_worker_local_session_connect_notify (local_session_t * ls); +int app_worker_local_session_connect (app_worker_t * client, + app_worker_t * server, + local_session_t * ls, u32 opaque); +int app_worker_local_session_disconnect (u32 app_or_wrk, + local_session_t * ls); +int app_worker_local_session_disconnect_w_index (u32 app_or_wrk, + u32 ls_index); + +void app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose); +void app_worker_format_local_connects (app_worker_t * app, int verbose); + +void mq_send_local_session_disconnected_cb (u32 app_or_wrk, + local_session_t * ls); + +always_inline local_session_t * +application_get_local_listen_session (application_t * app, u32 session_index) +{ + return pool_elt_at_index (app->local_listen_sessions, session_index); +} + +always_inline local_session_t * +application_get_local_listener_w_handle (session_handle_t handle) +{ + u32 server_index, session_index; + application_t *app; + local_session_parse_handle (handle, &server_index, &session_index); + app = application_get (server_index); + return application_get_local_listen_session (app, session_index); +} + +always_inline u8 +application_local_session_listener_has_transport (local_session_t * ls) +{ + transport_proto_t tp; + tp = session_type_transport_proto (ls->listener_session_type); + return (tp != TRANSPORT_PROTO_NONE); +} + +#endif /* SRC_VNET_SESSION_APPLICATION_LOCAL_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/session/application_worker.c b/src/vnet/session/application_worker.c index 5423733b231..43e3db3c73e 100644 --- a/src/vnet/session/application_worker.c +++ b/src/vnet/session/application_worker.c @@ -15,6 +15,7 @@ #include <vnet/session/application.h> #include <vnet/session/application_interface.h> +#include <vnet/session/application_local.h> #include <vnet/session/session.h> /** @@ -22,110 +23,6 @@ */ static app_worker_t *app_workers; -static inline u64 -application_client_local_connect_key (local_session_t * ls) -{ - return (((u64) ls->app_wrk_index) << 32 | (u64) ls->session_index); -} - -static inline void -application_client_local_connect_key_parse (u64 key, u32 * app_wrk_index, - u32 * session_index) -{ - *app_wrk_index = key >> 32; - *session_index = key & 0xFFFFFFFF; -} - -local_session_t * -app_worker_local_session_alloc (app_worker_t * app_wrk) -{ - local_session_t *s; - pool_get (app_wrk->local_sessions, s); - clib_memset (s, 0, sizeof (*s)); - s->app_wrk_index = app_wrk->wrk_index; - s->session_index = s - app_wrk->local_sessions; - s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); - return s; -} - -void -app_worker_local_session_free (app_worker_t * app_wrk, local_session_t * s) -{ - pool_put (app_wrk->local_sessions, s); - if (CLIB_DEBUG) - clib_memset (s, 0xfc, sizeof (*s)); -} - -local_session_t * -app_worker_get_local_session (app_worker_t * app_wrk, u32 session_index) -{ - if (pool_is_free_index (app_wrk->local_sessions, session_index)) - return 0; - return pool_elt_at_index (app_wrk->local_sessions, session_index); -} - -local_session_t * -app_worker_get_local_session_from_handle (session_handle_t handle) -{ - app_worker_t *server_wrk; - u32 session_index, server_wrk_index; - local_session_parse_handle (handle, &server_wrk_index, &session_index); - server_wrk = app_worker_get_if_valid (server_wrk_index); - if (!server_wrk) - return 0; - return app_worker_get_local_session (server_wrk, session_index); -} - -void -app_worker_local_sessions_free (app_worker_t * app_wrk) -{ - u32 index, server_wrk_index, session_index; - u64 handle, *handles = 0; - app_worker_t *server_wrk; - segment_manager_t *sm; - local_session_t *ls; - int i; - - /* - * Local sessions - */ - if (app_wrk->local_sessions) - { - /* *INDENT-OFF* */ - pool_foreach (ls, app_wrk->local_sessions, ({ - app_worker_local_session_disconnect (app_wrk->wrk_index, ls); - })); - /* *INDENT-ON* */ - } - - /* - * Local connects - */ - vec_reset_length (handles); - /* *INDENT-OFF* */ - hash_foreach (handle, index, app_wrk->local_connects, ({ - vec_add1 (handles, handle); - })); - /* *INDENT-ON* */ - - for (i = 0; i < vec_len (handles); i++) - { - application_client_local_connect_key_parse (handles[i], - &server_wrk_index, - &session_index); - server_wrk = app_worker_get_if_valid (server_wrk_index); - if (server_wrk) - { - ls = app_worker_get_local_session (server_wrk, session_index); - app_worker_local_session_disconnect (app_wrk->wrk_index, ls); - } - } - - sm = segment_manager_get (app_wrk->local_segment_manager); - sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX; - segment_manager_del (sm); -} - app_worker_t * app_worker_alloc (application_t * app) { @@ -752,274 +649,6 @@ app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk, return segment_manager_get (app_wrk->local_segment_manager); } -int -app_worker_local_session_cleanup (app_worker_t * client_wrk, - app_worker_t * server_wrk, - local_session_t * ls) -{ - svm_fifo_segment_private_t *seg; - session_t *listener; - segment_manager_t *sm; - u64 client_key; - u8 has_transport; - - /* Retrieve listener transport type as it is the one that decides where - * the fifos are allocated */ - has_transport = application_local_session_listener_has_transport (ls); - if (!has_transport) - sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls); - else - { - listener = listen_session_get (ls->listener_index); - sm = app_worker_get_listen_segment_manager (server_wrk, listener); - } - - seg = segment_manager_get_segment (sm, ls->svm_segment_index); - if (client_wrk) - { - client_key = application_client_local_connect_key (ls); - hash_unset (client_wrk->local_connects, client_key); - } - - if (!has_transport) - { - application_t *server = application_get (server_wrk->app_index); - u64 segment_handle = segment_manager_segment_handle (sm, seg); - server->cb_fns.del_segment_callback (server_wrk->api_client_index, - segment_handle); - if (client_wrk) - { - application_t *client = application_get (client_wrk->app_index); - client->cb_fns.del_segment_callback (client_wrk->api_client_index, - segment_handle); - } - segment_manager_del_segment (sm, seg); - } - - app_worker_local_session_free (server_wrk, ls); - - return 0; -} - -static void -application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq) -{ - int fd; - - /* - * segment manager initializes only the producer eventds, since vpp is - * typically the producer. But for local sessions, we also pass to the - * apps the mqs they listen on for events from peer apps, so they are also - * consumer fds. - */ - fd = svm_msg_q_get_producer_eventfd (sq); - svm_msg_q_set_consumer_eventfd (sq, fd); - fd = svm_msg_q_get_producer_eventfd (cq); - svm_msg_q_set_consumer_eventfd (cq, fd); -} - -int -app_worker_local_session_connect (app_worker_t * client_wrk, - app_worker_t * server_wrk, - local_session_t * ll, u32 opaque) -{ - u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10; - u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index; - segment_manager_properties_t *props, *cprops; - int rv, has_transport, seg_index; - svm_fifo_segment_private_t *seg; - application_t *server, *client; - segment_manager_t *sm; - local_session_t *ls; - svm_msg_q_t *sq, *cq; - u64 segment_handle; - - ls = app_worker_local_session_alloc (server_wrk); - server = application_get (server_wrk->app_index); - client = application_get (client_wrk->app_index); - - props = application_segment_manager_properties (server); - cprops = application_segment_manager_properties (client); - evt_q_elts = props->evt_q_size + cprops->evt_q_size; - evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts); - round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size); - round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size); - seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin; - - has_transport = session_has_transport ((session_t *) ll); - if (!has_transport) - { - /* Local sessions don't have backing transport */ - ls->port = ll->port; - sm = app_worker_get_local_segment_manager (server_wrk); - } - else - { - session_t *sl = (session_t *) ll; - transport_connection_t *tc; - tc = listen_session_get_transport (sl); - ls->port = tc->lcl_port; - sm = app_worker_get_listen_segment_manager (server_wrk, sl); - } - - seg_index = segment_manager_add_segment (sm, seg_size); - if (seg_index < 0) - { - clib_warning ("failed to add new cut-through segment"); - return seg_index; - } - seg = segment_manager_get_segment_w_lock (sm, seg_index); - sq = segment_manager_alloc_queue (seg, props); - cq = segment_manager_alloc_queue (seg, cprops); - - if (props->use_mq_eventfd) - application_local_session_fix_eventds (sq, cq); - - ls->server_evt_q = pointer_to_uword (sq); - ls->client_evt_q = pointer_to_uword (cq); - rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size, - props->tx_fifo_size, - &ls->rx_fifo, &ls->tx_fifo); - if (rv) - { - clib_warning ("failed to add fifos in cut-through segment"); - segment_manager_segment_reader_unlock (sm); - goto failed; - } - sm_index = segment_manager_index (sm); - ls->rx_fifo->ct_session_index = ls->session_index; - ls->tx_fifo->ct_session_index = ls->session_index; - ls->rx_fifo->segment_manager = sm_index; - ls->tx_fifo->segment_manager = sm_index; - ls->rx_fifo->segment_index = seg_index; - ls->tx_fifo->segment_index = seg_index; - ls->svm_segment_index = seg_index; - ls->listener_index = ll->session_index; - ls->client_wrk_index = client_wrk->wrk_index; - ls->client_opaque = opaque; - ls->listener_session_type = ll->session_type; - ls->session_state = SESSION_STATE_READY; - - segment_handle = segment_manager_segment_handle (sm, seg); - if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index, - segment_handle))) - { - clib_warning ("failed to notify server of new segment"); - segment_manager_segment_reader_unlock (sm); - goto failed; - } - segment_manager_segment_reader_unlock (sm); - if ((rv = server->cb_fns.session_accept_callback ((session_t *) ls))) - { - clib_warning ("failed to send accept cut-through notify to server"); - goto failed; - } - if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN) - app_worker_local_session_connect_notify (ls); - - return 0; - -failed: - if (!has_transport) - segment_manager_del_segment (sm, seg); - return rv; -} - -int -app_worker_local_session_connect_notify (local_session_t * ls) -{ - svm_fifo_segment_private_t *seg; - app_worker_t *client_wrk, *server_wrk; - segment_manager_t *sm; - application_t *client; - int rv, is_fail = 0; - u64 segment_handle; - u64 client_key; - - client_wrk = app_worker_get (ls->client_wrk_index); - server_wrk = app_worker_get (ls->app_wrk_index); - client = application_get (client_wrk->app_index); - - sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls); - seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index); - segment_handle = segment_manager_segment_handle (sm, seg); - if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index, - segment_handle))) - { - clib_warning ("failed to notify client %u of new segment", - ls->client_wrk_index); - segment_manager_segment_reader_unlock (sm); - app_worker_local_session_disconnect (ls->client_wrk_index, ls); - is_fail = 1; - } - else - { - segment_manager_segment_reader_unlock (sm); - } - - client->cb_fns.session_connected_callback (client_wrk->wrk_index, - ls->client_opaque, - (session_t *) ls, is_fail); - - client_key = application_client_local_connect_key (ls); - hash_set (client_wrk->local_connects, client_key, client_key); - return 0; -} - -int -app_worker_local_session_disconnect (u32 app_wrk_index, local_session_t * ls) -{ - app_worker_t *client_wrk, *server_wrk; - - client_wrk = app_worker_get_if_valid (ls->client_wrk_index); - server_wrk = app_worker_get (ls->app_wrk_index); - - if (ls->session_state == SESSION_STATE_CLOSED) - return app_worker_local_session_cleanup (client_wrk, server_wrk, ls); - - if (app_wrk_index == ls->client_wrk_index) - { - mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls); - } - else - { - if (!client_wrk) - { - return app_worker_local_session_cleanup (client_wrk, server_wrk, - ls); - } - else if (ls->session_state < SESSION_STATE_READY) - { - application_t *client = application_get (client_wrk->app_index); - client->cb_fns.session_connected_callback (client_wrk->wrk_index, - ls->client_opaque, - (session_t *) ls, - 1 /* is_fail */ ); - ls->session_state = SESSION_STATE_CLOSED; - return app_worker_local_session_cleanup (client_wrk, server_wrk, - ls); - } - else - { - mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls); - } - } - - ls->session_state = SESSION_STATE_CLOSED; - - return 0; -} - -int -app_worker_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index) -{ - app_worker_t *app_wrk; - local_session_t *ls; - app_wrk = app_worker_get (app_wrk_index); - ls = app_worker_get_local_session (app_wrk, ls_index); - return app_worker_local_session_disconnect (app_wrk_index, ls); -} - u8 * format_app_worker_listener (u8 * s, va_list * args) { @@ -1134,79 +763,6 @@ app_worker_format_connects (app_worker_t * app_wrk, int verbose) /* *INDENT-ON* */ } -void -app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose) -{ - vlib_main_t *vm = vlib_get_main (); - app_worker_t *client_wrk; - local_session_t *ls; - transport_proto_t tp; - u8 *conn = 0; - - /* Header */ - if (app_wrk == 0) - { - vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp", - "ClientApp"); - return; - } - - if (!pool_elts (app_wrk->local_sessions) - && !pool_elts (app_wrk->local_connects)) - return; - - /* *INDENT-OFF* */ - pool_foreach (ls, app_wrk->local_sessions, ({ - tp = session_type_transport_proto(ls->listener_session_type); - conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp, - ls->port); - client_wrk = app_worker_get (ls->client_wrk_index); - vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_index, - client_wrk->app_index); - vec_reset_length (conn); - })); - /* *INDENT-ON* */ - - vec_free (conn); -} - -void -app_worker_format_local_connects (app_worker_t * app, int verbose) -{ - vlib_main_t *vm = vlib_get_main (); - u32 app_wrk_index, session_index; - app_worker_t *server_wrk; - local_session_t *ls; - u64 client_key; - u64 value; - - /* Header */ - if (app == 0) - { - if (verbose) - vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App", - "Peer App", "SegManager"); - else - vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App", - "Peer App"); - return; - } - - if (!app->local_connects) - return; - - /* *INDENT-OFF* */ - hash_foreach (client_key, value, app->local_connects, ({ - application_client_local_connect_key_parse (client_key, &app_wrk_index, - &session_index); - server_wrk = app_worker_get (app_wrk_index); - ls = app_worker_get_local_session (server_wrk, session_index); - vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index, - ls->client_wrk_index); - })); - /* *INDENT-ON* */ -} - /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c index 638f078e20d..8e6c2818a20 100644 --- a/src/vnet/session/segment_manager.c +++ b/src/vnet/session/segment_manager.c @@ -16,6 +16,7 @@ #include <vnet/session/segment_manager.h> #include <vnet/session/session.h> #include <vnet/session/application.h> +#include <vnet/session/application_local.h> segment_manager_main_t segment_manager_main; diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h index f20e0db1d04..6a52be31b49 100644 --- a/src/vnet/session/session.h +++ b/src/vnet/session/session.h @@ -477,7 +477,7 @@ listen_session_parse_handle (session_handle_t handle, u32 * index, } always_inline session_t * -listen_session_new (u8 thread_index, session_type_t type) +listen_session_alloc (u8 thread_index, session_type_t type) { session_t *s; s = session_alloc (thread_index); @@ -487,13 +487,13 @@ listen_session_new (u8 thread_index, session_type_t type) } always_inline session_t * -listen_session_get (u32 index) +listen_session_get (u32 ls_index) { - return session_get (index, 0); + return session_get (ls_index, 0); } always_inline void -listen_session_del (session_t * s) +listen_session_free (session_t * s) { session_free (s); } diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c index f28c12c7c29..57807874589 100755 --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -17,6 +17,7 @@ #include <vlibmemory/api.h> #include <vnet/session/application.h> #include <vnet/session/application_interface.h> +#include <vnet/session/application_local.h> #include <vnet/session/session_rules_table.h> #include <vnet/session/session_table.h> #include <vnet/session/session.h> diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 2a8d9720069..7855bf8c56d 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -21,6 +21,7 @@ #include <vnet/session/session.h> #include <vnet/session/application.h> #include <vnet/session/application_interface.h> +#include <vnet/session/application_local.h> #include <vnet/session/session_debug.h> #include <svm/queue.h> |