#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
+#include <vnet/session/application_local.h>
#include <vnet/session/session.h>
/**
*/
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)
{
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)
{
/* *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
*
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