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authorFlorin Coras <fcoras@cisco.com>2019-02-27 07:55:46 -0800
committerDamjan Marion <dmarion@me.com>2019-03-01 11:51:53 +0000
commit2b81e3cba77e6427b47228318d55e40a859d02d1 (patch)
tree8034c15966f8fe40a87dbcddbbb67aa0864e9a7c /src/vnet/session
parent038243064ba0a6b587213ba56fffd9e3fddcf0ee (diff)
session: refactor local connects
- Switches local connects to cut-thru transport - Removes local sessions as a separate session type Change-Id: I997c6355d8c8e4f2110678f785b0f5d96bba47f7 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/session')
-rw-r--r--src/vnet/session/application.c230
-rw-r--r--src/vnet/session/application.h24
-rw-r--r--src/vnet/session/application_local.c609
-rw-r--r--src/vnet/session/application_local.h55
-rw-r--r--src/vnet/session/application_worker.c119
-rw-r--r--src/vnet/session/segment_manager.c25
-rw-r--r--src/vnet/session/session.c7
-rwxr-xr-xsrc/vnet/session/session_api.c118
-rw-r--r--src/vnet/session/session_lookup.c6
-rw-r--r--src/vnet/session/session_node.c60
-rw-r--r--src/vnet/session/session_types.h107
11 files changed, 474 insertions, 886 deletions
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 4d95426568e..86e0e6b1919 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -157,7 +157,6 @@ app_listener_alloc_and_init (application_t * app,
{
app_listener_t *app_listener;
transport_connection_t *tc;
- local_session_t *ll = 0;
session_handle_t lh;
session_type_t st;
session_t *ls = 0;
@@ -238,7 +237,7 @@ app_listener_alloc_and_init (application_t * app,
session_lookup_add_connection (tc, lh);
}
- if (!ll && !ls)
+ if (!ls)
{
app_listener_free (app, app_listener);
return -1;
@@ -267,8 +266,9 @@ app_listener_cleanup (app_listener_t * al)
table_index = application_local_session_table (app);
ls = listen_session_get (al->local_index);
- application_local_listener_session_endpoint (ls, &sep);
+ ct_session_endpoint (ls, &sep);
session_lookup_del_session_endpoint (table_index, &sep);
+ session_stop_listen (ls);
listen_session_free (ls);
}
app_listener_free (app, al);
@@ -727,14 +727,6 @@ application_alloc_worker_and_init (application_t * app, app_worker_t ** wrk)
app_wrk->event_queue = segment_manager_event_queue (sm);
app_wrk->app_is_builtin = application_is_builtin (app);
- /*
- * Segment manager for local sessions
- */
- sm = segment_manager_new ();
- sm->app_wrk_index = app_wrk->wrk_index;
- app_wrk->local_segment_manager = segment_manager_index (sm);
- app_wrk->local_connects = hash_create (0, sizeof (u64));
-
*wrk = app_wrk;
return 0;
@@ -1025,13 +1017,8 @@ vnet_listen (vnet_listen_args_t * a)
int
vnet_connect (vnet_connect_args_t * a)
{
- app_worker_t *server_wrk, *client_wrk;
+ app_worker_t *client_wrk;
application_t *client;
- app_listener_t *al;
- u32 table_index;
- session_t *ls;
- u8 fib_proto;
- session_handle_t lh;
if (session_endpoint_is_zero (&a->sep))
return VNET_API_ERROR_INVALID_VALUE;
@@ -1047,53 +1034,14 @@ vnet_connect (vnet_connect_args_t * a)
*/
if (application_has_local_scope (client))
{
- table_index = application_local_session_table (client);
- lh = session_lookup_local_endpoint (table_index, &a->sep);
- if (lh == SESSION_DROP_HANDLE)
- return VNET_API_ERROR_APP_CONNECT_FILTERED;
-
- if (lh == SESSION_INVALID_HANDLE)
- goto global_scope;
-
- ls = listen_session_get_from_handle (lh);
- al = app_listener_get_w_session (ls);
-
- /*
- * Break loop if rule in local table points to connecting app. This
- * can happen if client is a generic proxy. Route connect through
- * global table instead.
- */
- if (al->app_index == a->app_index)
- goto global_scope;
+ int rv;
- server_wrk = app_listener_select_worker (al);
- return app_worker_local_session_connect (client_wrk, server_wrk, ls,
- a->api_context);
- }
-
- /*
- * If nothing found, check the global scope for locally attached
- * destinations. Make sure first that we're allowed to.
- */
-
-global_scope:
- if (session_endpoint_is_local (&a->sep))
- return VNET_API_ERROR_SESSION_CONNECT;
-
- if (!application_has_global_scope (client))
- return VNET_API_ERROR_APP_CONNECT_SCOPE;
-
- fib_proto = session_endpoint_fib_proto (&a->sep);
- table_index = application_session_table (client, fib_proto);
- ls = session_lookup_listener (table_index, &a->sep);
- if (ls)
- {
- al = app_listener_get_w_session (ls);
- server_wrk = app_listener_select_worker (al);
- return app_worker_local_session_connect (client_wrk, server_wrk, ls,
- a->api_context);
+ a->sep_ext.original_tp = a->sep_ext.transport_proto;
+ a->sep_ext.transport_proto = TRANSPORT_PROTO_NONE;
+ rv = app_worker_connect_session (client_wrk, &a->sep, a->api_context);
+ if (rv <= 0)
+ return rv;
}
-
/*
* Not connecting to a local server, propagate to transport
*/
@@ -1132,52 +1080,20 @@ vnet_unlisten (vnet_unlisten_args_t * a)
int
vnet_disconnect_session (vnet_disconnect_args_t * a)
{
- if (session_handle_is_local (a->handle))
- {
- app_worker_t *client_wrk, *server_wrk;
- local_session_t *ls;
- u32 wrk_index = ~0;
-
- /* Disconnect reply came to worker 1 not main thread */
- app_interface_check_thread_and_barrier (vnet_disconnect_session, a);
-
- if (!(ls = app_worker_get_local_session_from_handle (a->handle)))
- return 0;
-
- client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
- server_wrk = app_worker_get (ls->app_wrk_index);
-
- if (server_wrk->app_index == a->app_index)
- wrk_index = server_wrk->wrk_index;
- else if (client_wrk && client_wrk->app_index == a->app_index)
- wrk_index = client_wrk->wrk_index;
-
- if (wrk_index == ~0)
- {
- clib_warning ("app %u does not own session 0x%lx", a->app_index,
- application_local_session_handle (ls));
- return VNET_API_ERROR_INVALID_VALUE;
- }
-
- return app_worker_local_session_disconnect (wrk_index, ls);
- }
- else
- {
- app_worker_t *app_wrk;
- session_t *s;
+ app_worker_t *app_wrk;
+ session_t *s;
- s = session_get_from_handle_if_valid (a->handle);
- if (!s)
- return VNET_API_ERROR_INVALID_VALUE;
- app_wrk = app_worker_get (s->app_wrk_index);
- if (app_wrk->app_index != a->app_index)
- return VNET_API_ERROR_INVALID_VALUE;
+ s = session_get_from_handle_if_valid (a->handle);
+ if (!s)
+ return VNET_API_ERROR_INVALID_VALUE;
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != a->app_index)
+ return VNET_API_ERROR_INVALID_VALUE;
- /* We're peeking into another's thread pool. Make sure */
- ASSERT (s->session_index == session_index_from_handle (a->handle));
+ /* We're peeking into another's thread pool. Make sure */
+ ASSERT (s->session_index == session_index_from_handle (a->handle));
- session_close (s);
- }
+ session_close (s);
return 0;
}
@@ -1477,49 +1393,6 @@ application_format_connects (application_t * app, int verbose)
/* *INDENT-ON* */
}
-static void
-application_format_local_sessions (application_t * app, int verbose)
-{
- app_worker_map_t *wrk_map;
- app_worker_t *app_wrk;
-
- if (!app)
- {
- app_worker_format_local_sessions (0, verbose);
- return;
- }
-
- /*
- * Format local accepted/connected sessions
- */
- /* *INDENT-OFF* */
- pool_foreach (wrk_map, app->worker_maps, ({
- app_wrk = app_worker_get (wrk_map->wrk_index);
- app_worker_format_local_sessions (app_wrk, verbose);
- }));
- /* *INDENT-ON* */
-}
-
-static void
-application_format_local_connects (application_t * app, int verbose)
-{
- app_worker_map_t *wrk_map;
- app_worker_t *app_wrk;
-
- if (!app)
- {
- app_worker_format_local_connects (0, verbose);
- return;
- }
-
- /* *INDENT-OFF* */
- pool_foreach (wrk_map, app->worker_maps, ({
- app_wrk = app_worker_get (wrk_map->wrk_index);
- app_worker_format_local_connects (app_wrk, verbose);
- }));
- /* *INDENT-ON* */
-}
-
u8 *
format_application (u8 * s, va_list * args)
{
@@ -1565,7 +1438,7 @@ format_application (u8 * s, va_list * args)
}
void
-application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose)
+application_format_all_listeners (vlib_main_t * vm, int verbose)
{
application_t *app;
@@ -1575,29 +1448,17 @@ application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose)
return;
}
- if (do_local)
- {
- application_format_local_sessions (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_local_sessions (app, verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- application_format_listeners (0, verbose);
+ application_format_listeners (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_listeners (app, verbose);
- }));
- /* *INDENT-ON* */
- }
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_listeners (app, verbose);
+ }));
+ /* *INDENT-ON* */
}
void
-application_format_all_clients (vlib_main_t * vm, int do_local, int verbose)
+application_format_all_clients (vlib_main_t * vm, int verbose)
{
application_t *app;
@@ -1607,33 +1468,20 @@ application_format_all_clients (vlib_main_t * vm, int do_local, int verbose)
return;
}
- if (do_local)
- {
- application_format_local_connects (0, verbose);
-
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_local_connects (app, verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- application_format_connects (0, verbose);
+ application_format_connects (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_connects (app, verbose);
- }));
- /* *INDENT-ON* */
- }
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_connects (app, verbose);
+ }));
+ /* *INDENT-ON* */
}
static clib_error_t *
show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- int do_server = 0, do_client = 0, do_local = 0;
+ int do_server = 0, do_client = 0;
application_t *app;
u32 app_index = ~0;
int verbose = 0;
@@ -1646,8 +1494,6 @@ show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
do_server = 1;
else if (unformat (input, "client"))
do_client = 1;
- else if (unformat (input, "local"))
- do_local = 1;
else if (unformat (input, "%u", &app_index))
;
else if (unformat (input, "verbose"))
@@ -1659,13 +1505,13 @@ show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
if (do_server)
{
- application_format_all_listeners (vm, do_local, verbose);
+ application_format_all_listeners (vm, verbose);
return 0;
}
if (do_client)
{
- application_format_all_clients (vm, do_local, verbose);
+ application_format_all_clients (vm, verbose);
return 0;
}
diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h
index 0590c54507a..0904c232f30 100644
--- a/src/vnet/session/application.h
+++ b/src/vnet/session/application.h
@@ -59,19 +59,6 @@ typedef struct app_worker_
u32 first_segment_manager;
u8 first_segment_manager_in_use;
- /*
- * Local "cut through" connections specific
- */
-
- /** Segment manager used for incoming "cut through" connects */
- u32 local_segment_manager;
-
- /** Pool of local sessions the app owns (as a server) */
- local_session_t *local_sessions;
-
- /** Hash table of the app's local connects */
- uword *local_connects;
-
/** API index for the worker. Needed for multi-process apps */
u32 api_client_index;
@@ -243,7 +230,10 @@ segment_manager_t *app_worker_get_connect_segment_manager (app_worker_t *);
segment_manager_t
* app_worker_get_or_alloc_connect_segment_manager (app_worker_t *);
int app_worker_alloc_connects_segment_manager (app_worker_t * app);
-int app_worker_add_segment_notify (u32 app_or_wrk, u64 segment_handle);
+int app_worker_add_segment_notify (app_worker_t * app_wrk,
+ u64 segment_handle);
+int app_worker_del_segment_notify (app_worker_t * app_wrk,
+ u64 segment_handle);
u32 app_worker_n_listeners (app_worker_t * app);
session_t *app_worker_first_listener (app_worker_t * app,
u8 fib_proto, u8 transport_proto);
@@ -257,12 +247,6 @@ 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);
-
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
index 9e874ce536e..b5cac56130c 100644
--- a/src/vnet/session/application_local.c
+++ b/src/vnet/session/application_local.c
@@ -16,15 +16,6 @@
#include <vnet/session/application_local.h>
#include <vnet/session/session.h>
-typedef struct ct_connection_
-{
- transport_connection_t connection;
- u32 client_wrk;
- u32 server_wrk;
- u32 transport_listener_index;
- transport_proto_t actual_tp;
-} ct_connection_t;
-
ct_connection_t *connections;
ct_connection_t *
@@ -56,9 +47,17 @@ ct_connection_free (ct_connection_t * ct)
pool_put (connections, ct);
}
+session_t *
+ct_session_get_peer (session_t * s)
+{
+ ct_connection_t *ct, *peer_ct;
+ ct = ct_connection_get (s->connection_index);
+ peer_ct = ct_connection_get (ct->peer_index);
+ return session_get (peer_ct->c_s_index, 0);
+}
+
void
-application_local_listener_session_endpoint (session_t * ll,
- session_endpoint_t * sep)
+ct_session_endpoint (session_t * ll, session_endpoint_t * sep)
{
ct_connection_t *ct;
ct = (ct_connection_t *) session_get_transport (ll);
@@ -67,184 +66,32 @@ application_local_listener_session_endpoint (session_t * ll,
sep->is_ip4 = ct->c_is_ip4;
}
-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)
+ct_session_connect_notify (session_t * ss)
{
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;
+ ct_connection_t *sct, *cct;
+ app_worker_t *client_wrk;
segment_manager_t *sm;
- application_t *client;
- int rv, is_fail = 0;
u64 segment_handle;
- u64 client_key;
+ int is_fail = 0;
+ session_t *cs;
+ u32 ss_index;
- 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);
+ ss_index = ss->session_index;
+ sct = (ct_connection_t *) session_get_transport (ss);
+ client_wrk = app_worker_get (sct->client_wrk);
- sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
- seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
+ sm = segment_manager_get (ss->rx_fifo->segment_manager);
+ seg = segment_manager_get_segment_w_lock (sm, ss->rx_fifo->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)))
+
+ if (app_worker_add_segment_notify (client_wrk, segment_handle))
{
clib_warning ("failed to notify client %u of new segment",
- ls->client_wrk_index);
+ sct->client_wrk);
segment_manager_segment_reader_unlock (sm);
- app_worker_local_session_disconnect (ls->client_wrk_index, ls);
+ session_close (ss);
is_fail = 1;
}
else
@@ -252,17 +99,44 @@ app_worker_local_session_connect_notify (local_session_t * ls)
segment_manager_segment_reader_unlock (sm);
}
- client->cb_fns.session_connected_callback (client_wrk->wrk_index,
- ls->client_opaque,
- (session_t *) ls, is_fail);
+ /* Alloc client session */
+ cct = ct_connection_get (sct->peer_index);
+
+ cs = session_alloc (0);
+ ss = session_get (ss_index, 0);
+ cs->session_type = ss->session_type;
+ cs->connection_index = sct->c_c_index;
+ cs->listener_index = SESSION_INVALID_INDEX;
+ cs->session_state = SESSION_STATE_CONNECTING;
+ cs->app_wrk_index = client_wrk->wrk_index;
+ cs->connection_index = cct->c_c_index;
+
+ cct->c_s_index = cs->session_index;
+
+ /* This will allocate fifos for the session. They won't be used for
+ * exchanging data but they will be used to close the connection if
+ * the segment manager/worker is freed */
+ if (app_worker_init_connected (client_wrk, cs))
+ {
+ session_close (ss);
+ return -1;
+ }
+
+ if (app_worker_connect_notify (client_wrk, is_fail ? 0 : cs,
+ sct->client_opaque))
+ {
+ session_close (ss);
+ return -1;
+ }
+
+ cs = session_get (cct->c_s_index, 0);
+ cs->session_state = SESSION_STATE_READY;
- 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)
+ct_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
{
int fd;
@@ -279,22 +153,19 @@ application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
}
int
-app_worker_local_session_connect (app_worker_t * client_wrk,
- app_worker_t * server_wrk,
- session_t * ll, u32 opaque)
+ct_init_local_session (app_worker_t * client_wrk, app_worker_t * server_wrk,
+ ct_connection_t * ct, session_t * ls, session_t * ll)
{
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;
+ int seg_index, rv;
- ls = app_worker_local_session_alloc (server_wrk);
server = application_get (server_wrk->app_index);
client = application_get (client_wrk->app_index);
@@ -306,24 +177,7 @@ app_worker_local_session_connect (app_worker_t * client_wrk,
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 (ll);
- if (!has_transport)
- {
- /* Local sessions don't have backing transport */
- transport_connection_t *tc;
- tc = session_get_transport (ll);
- ls->port = tc->lcl_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);
- }
-
+ sm = app_worker_get_listen_segment_manager (server_wrk, ll);
seg_index = segment_manager_add_segment (sm, seg_size);
if (seg_index < 0)
{
@@ -335,19 +189,20 @@ app_worker_local_session_connect (app_worker_t * client_wrk,
cq = segment_manager_alloc_queue (seg, cprops);
if (props->use_mq_eventfd)
- application_local_session_fix_eventds (sq, cq);
+ ct_session_fix_eventds (sq, cq);
- ls->server_evt_q = pointer_to_uword (sq);
- ls->client_evt_q = pointer_to_uword (cq);
+ ct->server_evt_q = pointer_to_uword (sq);
+ ct->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);
+ 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;
@@ -356,162 +211,107 @@ app_worker_local_session_connect (app_worker_t * client_wrk,
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)))
+ if ((rv = app_worker_add_segment_notify (server_wrk, 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);
+ ct->segment_handle = segment_handle;
return 0;
failed:
- if (!has_transport)
- segment_manager_del_segment (sm, seg);
+ segment_manager_del_segment (sm, seg);
return rv;
}
int
-app_worker_local_session_disconnect (u32 app_wrk_index, local_session_t * ls)
+ct_connect (app_worker_t * client_wrk, session_t * ll,
+ session_endpoint_cfg_t * sep)
{
- app_worker_t *client_wrk, *server_wrk;
+ u32 cct_index, ll_index, ll_ct_index;
+ ct_connection_t *sct, *cct, *ll_ct;
+ app_worker_t *server_wrk;
+ session_t *ss;
- client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
- server_wrk = app_worker_get (ls->app_wrk_index);
+ ll_index = ll->session_index;
+ ll_ct_index = ll->connection_index;
- if (ls->session_state == SESSION_STATE_CLOSED)
- return app_worker_local_session_cleanup (client_wrk, server_wrk, ls);
+ cct = ct_connection_alloc ();
+ cct_index = cct->c_c_index;
+ sct = ct_connection_alloc ();
+ ll_ct = ct_connection_get (ll_ct_index);
- 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);
- }
- }
+ /*
+ * Alloc and init client transport
+ */
+ cct = ct_connection_get (cct_index);
+ cct->c_thread_index = 0;
+ cct->c_rmt_port = sep->port;
+ cct->c_lcl_port = 0;
+ cct->c_is_ip4 = sep->is_ip4;
+ clib_memcpy (&cct->c_rmt_ip, &sep->ip, sizeof (sep->ip));
+ cct->actual_tp = ll_ct->actual_tp;
- ls->session_state = SESSION_STATE_CLOSED;
+ /*
+ * Init server transport
+ */
+ sct->c_thread_index = 0;
+ sct->c_rmt_port = 0;
+ sct->c_lcl_port = ll_ct->c_lcl_port;
+ sct->c_is_ip4 = sep->is_ip4;
+ clib_memcpy (&sct->c_lcl_ip, &ll_ct->c_lcl_ip, sizeof (ll_ct->c_lcl_ip));
+ sct->client_wrk = client_wrk->wrk_index;
+ sct->c_proto = TRANSPORT_PROTO_NONE;
+ sct->client_opaque = sep->opaque;
+ sct->actual_tp = ll_ct->actual_tp;
+
+ sct->peer_index = cct->c_c_index;
+ cct->peer_index = sct->c_c_index;
- return 0;
-}
+ /*
+ * Accept server session. Client session is created only after
+ * server confirms accept.
+ */
+ ss = session_alloc (0);
+ ll = listen_session_get (ll_index);
+ ss->session_type = ll->session_type;
+ ss->connection_index = sct->c_c_index;
+ ss->listener_index = ll->session_index;
+ ss->session_state = SESSION_STATE_CREATED;
-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);
-}
+ server_wrk = application_listener_select_worker (ll);
+ ss->app_wrk_index = server_wrk->wrk_index;
-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;
+ sct->c_s_index = ss->session_index;
+ sct->server_wrk = ss->app_wrk_index;
- /* Header */
- if (app_wrk == 0)
+ if (ct_init_local_session (client_wrk, server_wrk, sct, ss, ll))
{
- vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp",
- "ClientApp");
- return;
+ clib_warning ("failed");
+ ct_connection_free (sct);
+ session_free (ss);
+ return -1;
}
- 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)
+ ss->session_state = SESSION_STATE_ACCEPTING;
+ if (app_worker_accept_notify (server_wrk, ss))
{
- 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;
+ clib_warning ("failed");
+ ct_connection_free (sct);
+ session_free_w_fifos (ss);
+ return -1;
}
- 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* */
+ cct->client_evt_q = sct->client_evt_q;
+ cct->server_evt_q = sct->server_evt_q;
+ cct->segment_handle = sct->segment_handle;
+
+ return 0;
}
u32
@@ -545,6 +345,96 @@ ct_listener_get (u32 ct_index)
return (transport_connection_t *) ct_connection_get (ct_index);
}
+int
+ct_session_connect (transport_endpoint_cfg_t * tep)
+{
+ session_endpoint_cfg_t *sep_ext;
+ session_endpoint_t *sep;
+ app_worker_t *app_wrk;
+ session_handle_t lh;
+ application_t *app;
+ app_listener_t *al;
+ u32 table_index;
+ session_t *ll;
+ u8 fib_proto;
+
+ sep_ext = (session_endpoint_cfg_t *) tep;
+ sep = (session_endpoint_t *) tep;
+ app_wrk = app_worker_get (sep_ext->app_wrk_index);
+ app = application_get (app_wrk->app_index);
+
+ sep->transport_proto = sep_ext->original_tp;
+ table_index = application_local_session_table (app);
+ lh = session_lookup_local_endpoint (table_index, sep);
+ if (lh == SESSION_DROP_HANDLE)
+ return VNET_API_ERROR_APP_CONNECT_FILTERED;
+
+ if (lh == SESSION_INVALID_HANDLE)
+ goto global_scope;
+
+ ll = listen_session_get_from_handle (lh);
+ al = app_listener_get_w_session (ll);
+
+ /*
+ * Break loop if rule in local table points to connecting app. This
+ * can happen if client is a generic proxy. Route connect through
+ * global table instead.
+ */
+ if (al->app_index == app->app_index)
+ goto global_scope;
+
+ return ct_connect (app_wrk, ll, sep_ext);
+
+ /*
+ * If nothing found, check the global scope for locally attached
+ * destinations. Make sure first that we're allowed to.
+ */
+
+global_scope:
+ if (session_endpoint_is_local (sep))
+ return VNET_API_ERROR_SESSION_CONNECT;
+
+ if (!application_has_global_scope (app))
+ return VNET_API_ERROR_APP_CONNECT_SCOPE;
+
+ fib_proto = session_endpoint_fib_proto (sep);
+ table_index = application_session_table (app, fib_proto);
+ ll = session_lookup_listener (table_index, sep);
+
+ if (ll)
+ return ct_connect (app_wrk, ll, sep_ext);
+
+ /* Failed to connect but no error */
+ return 1;
+}
+
+void
+ct_session_close (u32 ct_index, u32 thread_index)
+{
+ ct_connection_t *ct, *peer_ct;
+ session_t *s;
+
+ ct = ct_connection_get (ct_index);
+ peer_ct = ct_connection_get (ct->peer_index);
+ if (peer_ct)
+ {
+ peer_ct->peer_index = ~0;
+ session_transport_closing_notify (&peer_ct->connection);
+ }
+
+ s = session_get (ct->c_s_index, 0);
+ app_worker_del_segment_notify (app_worker_get (s->app_wrk_index),
+ ct->segment_handle);
+ session_free_w_fifos (s);
+ ct_connection_free (ct);
+}
+
+transport_connection_t *
+ct_session_get (u32 ct_index, u32 thread_index)
+{
+ return (transport_connection_t *) ct_connection_get (ct_index);
+}
+
static u8 *
format_ct_connection_id (u8 * s, va_list * args)
{
@@ -583,14 +473,57 @@ format_ct_listener (u8 * s, va_list * args)
return s;
}
+u8 *
+format_ct_connection (u8 * s, va_list * args)
+{
+ ct_connection_t *ct = va_arg (*args, ct_connection_t *);
+ u32 verbose = va_arg (*args, u32);
+
+ if (!ct)
+ return s;
+ s = format (s, "%-50U", format_ct_connection_id, ct);
+ if (verbose)
+ {
+ s = format (s, "%-15s", "ESTABLISHED");
+ if (verbose > 1)
+ {
+ s = format (s, "\n");
+ }
+ }
+ return s;
+}
+
+u8 *
+format_ct_session (u8 * s, va_list * args)
+{
+ u32 ct_index = va_arg (*args, u32);
+ u32 __clib_unused thread_index = va_arg (*args, u32);
+ u32 verbose = va_arg (*args, u32);
+ ct_connection_t *ct;
+
+ ct = ct_connection_get (ct_index);
+ if (!ct)
+ {
+ s = format (s, "empty\n");
+ return s;
+ }
+
+ s = format (s, "%U", format_ct_connection, ct, verbose);
+ return s;
+}
+
/* *INDENT-OFF* */
const static transport_proto_vft_t cut_thru_proto = {
.start_listen = ct_start_listen,
.stop_listen = ct_stop_listen,
.get_listener = ct_listener_get,
+ .connect = ct_session_connect,
+ .close = ct_session_close,
+ .get_connection = ct_session_get,
.tx_type = TRANSPORT_TX_INTERNAL,
.service_type = TRANSPORT_SERVICE_APP,
.format_listener = format_ct_listener,
+ .format_connection = format_ct_session,
};
/* *INDENT-ON* */
diff --git a/src/vnet/session/application_local.h b/src/vnet/session/application_local.h
index d54b5ebdb6a..5d6e6c1ec7b 100644
--- a/src/vnet/session/application_local.h
+++ b/src/vnet/session/application_local.h
@@ -18,46 +18,25 @@
#define SRC_VNET_SESSION_APPLICATION_LOCAL_H_
#include <vnet/session/application.h>
+#include <vnet/session/transport.h>
-local_session_t *application_local_listen_session_alloc (application_t * app);
-void application_local_listener_session_endpoint (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,
- 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 u8
-application_local_session_listener_has_transport (local_session_t * ls)
+typedef struct ct_connection_
{
- transport_proto_t tp;
- tp = session_type_transport_proto (ls->listener_session_type);
- return (tp != TRANSPORT_PROTO_NONE);
-}
+ transport_connection_t connection;
+ u32 client_wrk;
+ u32 server_wrk;
+ u32 transport_listener_index;
+ transport_proto_t actual_tp;
+ u64 server_evt_q;
+ u64 client_evt_q;
+ u32 client_opaque;
+ u32 peer_index;
+ u64 segment_handle;
+} ct_connection_t;
+
+session_t *ct_session_get_peer (session_t * s);
+void ct_session_endpoint (session_t * ll, session_endpoint_t * sep);
+int ct_session_connect_notify (session_t * ls);
#endif /* SRC_VNET_SESSION_APPLICATION_LOCAL_H_ */
diff --git a/src/vnet/session/application_worker.c b/src/vnet/session/application_worker.c
index 51ebe1c08e6..d02149dc58f 100644
--- a/src/vnet/session/application_worker.c
+++ b/src/vnet/session/application_worker.c
@@ -15,7 +15,6 @@
#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
-#include <vnet/session/application_local.h>
#include <vnet/session/session.h>
/**
@@ -34,7 +33,6 @@ app_worker_alloc (application_t * app)
app_wrk->wrk_map_index = ~0;
app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- app_wrk->local_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
APP_DBG ("New app %v worker %u", app_get_name (app), app_wrk->wrk_index);
return app_wrk;
}
@@ -113,11 +111,6 @@ app_worker_free (app_worker_t * app_wrk)
segment_manager_del (sm);
}
- /*
- * Local sessions
- */
- app_worker_local_sessions_free (app_wrk);
-
pool_put (app_workers, app_wrk);
if (CLIB_DEBUG)
clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
@@ -227,12 +220,35 @@ app_worker_start_listen (app_worker_t * app_wrk,
return 0;
}
-int
-app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
+static void
+app_worker_stop_listen_session (app_worker_t * app_wrk, session_t * ls)
{
session_handle_t handle;
segment_manager_t *sm;
uword *sm_indexp;
+
+ handle = listen_session_get_handle (ls);
+ sm_indexp = hash_get (app_wrk->listeners_table, handle);
+ if (PREDICT_FALSE (!sm_indexp))
+ return;
+
+ sm = segment_manager_get (*sm_indexp);
+ if (app_wrk->first_segment_manager == *sm_indexp)
+ {
+ /* Delete sessions but don't remove segment manager */
+ app_wrk->first_segment_manager_in_use = 0;
+ segment_manager_del_sessions (sm);
+ }
+ else
+ {
+ segment_manager_init_del (sm);
+ }
+ hash_unset (app_wrk->listeners_table, handle);
+}
+
+int
+app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
+{
session_t *ls;
if (!clib_bitmap_get (al->workers, app_wrk->wrk_map_index))
@@ -241,58 +257,13 @@ app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
if (al->session_index != SESSION_INVALID_INDEX)
{
ls = listen_session_get (al->session_index);
- handle = listen_session_get_handle (ls);
-
- sm_indexp = hash_get (app_wrk->listeners_table, handle);
- if (PREDICT_FALSE (!sm_indexp))
- {
- clib_warning ("listener handle was removed %llu!", handle);
- return -1;
- }
-
- sm = segment_manager_get (*sm_indexp);
- if (app_wrk->first_segment_manager == *sm_indexp)
- {
- /* Delete sessions but don't remove segment manager */
- app_wrk->first_segment_manager_in_use = 0;
- segment_manager_del_sessions (sm);
- }
- else
- {
- segment_manager_init_del (sm);
- }
- hash_unset (app_wrk->listeners_table, handle);
+ app_worker_stop_listen_session (app_wrk, ls);
}
if (al->local_index != SESSION_INVALID_INDEX)
{
- local_session_t *local;
ls = listen_session_get (al->local_index);
- handle = listen_session_get_handle (ls);
-
- /* *INDENT-OFF* */
- pool_foreach (local, app_wrk->local_sessions, ({
- if (local->listener_index == ls->session_index)
- app_worker_local_session_disconnect (app_wrk->wrk_index, local);
- }));
- /* *INDENT-ON* */
-
- sm_indexp = hash_get (app_wrk->listeners_table, handle);
- if (PREDICT_FALSE (!sm_indexp))
- return -1;
-
- sm = segment_manager_get (*sm_indexp);
- if (app_wrk->first_segment_manager == *sm_indexp)
- {
- /* Delete sessions but don't remove segment manager */
- app_wrk->first_segment_manager_in_use = 0;
- segment_manager_del_sessions (sm);
- }
- else
- {
- segment_manager_init_del (sm);
- }
- hash_unset (app_wrk->listeners_table, handle);
+ app_worker_stop_listen_session (app_wrk, ls);
}
clib_bitmap_set_no_check (al->workers, app_wrk->wrk_map_index, 0);
@@ -312,8 +283,12 @@ app_worker_init_accepted (session_t * s)
listener = listen_session_get (s->listener_index);
app_wrk = application_listener_select_worker (listener);
s->app_wrk_index = app_wrk->wrk_index;
+
sm = app_worker_get_listen_segment_manager (app_wrk, listener);
- return app_worker_alloc_session_fifos (sm, s);
+ if (app_worker_alloc_session_fifos (sm, s))
+ return -1;
+
+ return 0;
}
int
@@ -499,14 +474,21 @@ app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto,
* Send an API message to the external app, to map new segment
*/
int
-app_worker_add_segment_notify (u32 app_wrk_index, u64 segment_handle)
+app_worker_add_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
{
- app_worker_t *app_wrk = app_worker_get (app_wrk_index);
application_t *app = application_get (app_wrk->app_index);
return app->cb_fns.add_segment_callback (app_wrk->api_client_index,
segment_handle);
}
+int
+app_worker_del_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
+{
+ application_t *app = application_get (app_wrk->app_index);
+ return app->cb_fns.del_segment_callback (app_wrk->api_client_index,
+ segment_handle);
+}
+
u8
app_worker_application_is_builtin (app_worker_t * app_wrk)
{
@@ -660,25 +642,6 @@ app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
}
-segment_manager_t *
-app_worker_get_local_segment_manager (app_worker_t * app_worker)
-{
- return segment_manager_get (app_worker->local_segment_manager);
-}
-
-segment_manager_t *
-app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk,
- local_session_t * ls)
-{
- session_t *listener;
- if (application_local_session_listener_has_transport (ls))
- {
- listener = listen_session_get (ls->listener_index);
- return app_worker_get_listen_segment_manager (app_wrk, listener);
- }
- return segment_manager_get (app_wrk->local_segment_manager);
-}
-
u8 *
format_app_worker_listener (u8 * s, va_list * args)
{
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c
index 8e6c2818a20..63af299e9a8 100644
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -16,7 +16,6 @@
#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;
@@ -380,6 +379,7 @@ void
segment_manager_del_sessions (segment_manager_t * sm)
{
svm_fifo_segment_private_t *fifo_segment;
+ session_handle_t *handles = 0, *handle;
session_t *session;
svm_fifo_t *fifo;
@@ -398,16 +398,11 @@ segment_manager_del_sessions (segment_manager_t * sm)
while (fifo)
{
if (fifo->ct_session_index != SVM_FIFO_INVALID_SESSION_INDEX)
- {
- svm_fifo_t *next = fifo->next;
- app_worker_local_session_disconnect_w_index (sm->app_wrk_index,
- fifo->ct_session_index);
- fifo = next;
- continue;
- }
- session = session_get (fifo->master_session_index,
- fifo->master_thread_index);
- session_close (session);
+ session = session_get (fifo->ct_session_index, 0);
+ else
+ session = session_get (fifo->master_session_index,
+ fifo->master_thread_index);
+ vec_add1 (handles, session_handle (session));
fifo = fifo->next;
}
@@ -416,6 +411,9 @@ segment_manager_del_sessions (segment_manager_t * sm)
*/
}));
/* *INDENT-ON* */
+
+ vec_foreach (handle, handles)
+ session_close (session_get_from_handle (*handle));
}
/**
@@ -553,9 +551,10 @@ alloc_check:
if (added_a_segment)
{
+ app_worker_t *app_wrk;
segment_handle = segment_manager_segment_handle (sm, fifo_segment);
- rv = app_worker_add_segment_notify (sm->app_wrk_index,
- segment_handle);
+ app_wrk = app_worker_get (sm->app_wrk_index);
+ rv = app_worker_add_segment_notify (app_wrk, segment_handle);
}
/* Drop the lock after app is notified */
segment_manager_segment_reader_unlock (sm);
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 110db2c2a4a..36aadcb7c40 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -123,6 +123,13 @@ session_program_transport_close (session_t * s)
session_manager_worker_t *wrk;
session_event_t *evt;
+ if (!session_has_transport (s))
+ {
+ /* Polling may not be enabled on main thread so close now */
+ session_transport_close (s);
+ return;
+ }
+
/* If we are in the handler thread, or being called with the worker barrier
* held, just append a new event to pending disconnects vector. */
if (vlib_thread_is_main_w_barrier () || thread_index == s->thread_index)
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index cf5a5cd7fd1..81654e426b5 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -252,15 +252,16 @@ send_session_accept_callback (session_t * s)
}
else
{
- local_session_t *ls = (local_session_t *) s;
- listener = listen_session_get (ls->listener_index);
+ ct_connection_t *ct;
+ ct = (ct_connection_t *) session_get_transport (s);
+ listener = listen_session_get (s->listener_index);
al = app_listener_get (server, listener->al_index);
mp->listener_handle = app_listener_handle (al);
mp->is_ip4 = session_type_is_ip4 (listener->session_type);
- mp->handle = application_local_session_handle (ls);
- mp->port = ls->port;
- mp->vpp_event_queue_address = ls->client_evt_q;
- mp->server_event_queue_address = ls->server_evt_q;
+ mp->handle = session_handle (s);
+ mp->port = ct->c_rmt_port;
+ mp->vpp_event_queue_address = ct->client_evt_q;
+ mp->server_event_queue_address = ct->server_evt_q;
}
vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp);
@@ -355,11 +356,12 @@ send_session_connected_callback (u32 app_wrk_index, u32 api_context,
}
else
{
- local_session_t *ls = (local_session_t *) s;
- mp->handle = application_local_session_handle (ls);
- mp->lcl_port = ls->port;
- mp->vpp_event_queue_address = ls->server_evt_q;
- mp->client_event_queue_address = ls->client_evt_q;
+ ct_connection_t *ct;
+ ct = (ct_connection_t *) session_get_transport (s);
+ mp->handle = session_handle (s);
+ mp->lcl_port = ct->c_lcl_port;
+ mp->vpp_event_queue_address = ct->server_evt_q;
+ mp->client_event_queue_address = ct->client_evt_q;
mp->server_rx_fifo = pointer_to_uword (s->tx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->rx_fifo);
}
@@ -451,24 +453,25 @@ mq_send_session_accepted_cb (session_t * s)
}
else
{
- local_session_t *ls = (local_session_t *) s;
u8 main_thread = vlib_num_workers ()? 1 : 0;
+ ct_connection_t *ct;
+ ct = (ct_connection_t *) session_get_transport (s);
send_app_cut_through_registration_add (app_wrk->api_client_index,
app_wrk->wrk_map_index,
- ls->server_evt_q,
- ls->client_evt_q);
+ ct->server_evt_q,
+ ct->client_evt_q);
- listener = listen_session_get (ls->listener_index);
+ listener = listen_session_get (s->listener_index);
al = app_listener_get (app, listener->al_index);
mp->listener_handle = app_listener_handle (al);
mp->is_ip4 = session_type_is_ip4 (listener->session_type);
- mp->handle = application_local_session_handle (ls);
- mp->port = ls->port;
+ mp->handle = session_handle (s);
+ mp->port = ct->c_rmt_port;
vpp_queue = session_manager_get_vpp_event_queue (main_thread);
mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
- mp->client_event_queue_address = ls->client_evt_q;
- mp->server_event_queue_address = ls->server_evt_q;
+ mp->client_event_queue_address = ct->client_evt_q;
+ mp->server_event_queue_address = ct->server_evt_q;
}
svm_msg_q_add_and_unlock (app_mq, msg);
@@ -530,20 +533,6 @@ mq_send_session_disconnected_cb (session_t * s)
SESSION_CTRL_EVT_DISCONNECTED);
}
-void
-mq_send_local_session_disconnected_cb (u32 app_wrk_index,
- local_session_t * ls)
-{
- app_worker_t *app_wrk = app_worker_get (app_wrk_index);
- session_handle_t sh = application_local_session_handle (ls);
-
- mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
-
- if (svm_fifo_n_subscribers (ls->rx_fifo))
- mq_notify_close_subscribers (app_wrk->app_index, sh, ls->rx_fifo,
- SESSION_CTRL_EVT_DISCONNECTED);
-}
-
static void
mq_send_session_reset_cb (session_t * s)
{
@@ -590,8 +579,6 @@ mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
if (is_fail)
goto done;
- mp->segment_handle = session_segment_handle (s);
-
if (session_has_transport (s))
{
tc = session_get_transport (s);
@@ -609,25 +596,30 @@ mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
mp->lcl_port = tc->lcl_port;
mp->server_rx_fifo = pointer_to_uword (s->rx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->tx_fifo);
+ mp->segment_handle = session_segment_handle (s);
}
else
{
- local_session_t *ls = (local_session_t *) s;
u8 main_thread = vlib_num_workers ()? 1 : 0;
+ ct_connection_t *cct;
+ session_t *ss;
+ cct = (ct_connection_t *) session_get_transport (s);
send_app_cut_through_registration_add (app_wrk->api_client_index,
app_wrk->wrk_map_index,
- ls->client_evt_q,
- ls->server_evt_q);
+ cct->client_evt_q,
+ cct->server_evt_q);
- mp->handle = application_local_session_handle (ls);
- mp->lcl_port = ls->port;
+ mp->handle = session_handle (s);
+ mp->lcl_port = cct->c_lcl_port;
vpp_mq = session_manager_get_vpp_event_queue (main_thread);
mp->vpp_event_queue_address = pointer_to_uword (vpp_mq);
- mp->client_event_queue_address = ls->client_evt_q;
- mp->server_event_queue_address = ls->server_evt_q;
- mp->server_rx_fifo = pointer_to_uword (s->tx_fifo);
- mp->server_tx_fifo = pointer_to_uword (s->rx_fifo);
+ mp->client_event_queue_address = cct->client_evt_q;
+ mp->server_event_queue_address = cct->server_evt_q;
+ ss = ct_session_get_peer (s);
+ mp->server_rx_fifo = pointer_to_uword (ss->tx_fifo);
+ mp->server_tx_fifo = pointer_to_uword (ss->rx_fifo);
+ mp->segment_handle = session_segment_handle (ss);
}
done:
@@ -686,7 +678,7 @@ mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
vpp_evt_q = session_manager_get_vpp_event_queue (0);
mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
- if (ls && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
+ if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
{
mp->rx_fifo = pointer_to_uword (ls->rx_fifo);
mp->tx_fifo = pointer_to_uword (ls->tx_fifo);
@@ -1087,7 +1079,6 @@ static void
vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp)
{
vnet_disconnect_args_t _a = { 0 }, *a = &_a;
- local_session_t *ls;
session_t *s;
/* Server isn't interested, kill the session */
@@ -1099,34 +1090,21 @@ vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp)
return;
}
- if (session_handle_is_local (mp->handle))
+ s = session_get_from_handle_if_valid (mp->handle);
+ if (!s)
{
- ls = app_worker_get_local_session_from_handle (mp->handle);
- if (!ls || ls->app_wrk_index != mp->context)
- {
- clib_warning ("server %u doesn't own local handle %llu",
- mp->context, mp->handle);
- return;
- }
- if (app_worker_local_session_connect_notify (ls))
- return;
- ls->session_state = SESSION_STATE_READY;
+ clib_warning ("session doesn't exist");
+ return;
}
- else
+ if (s->app_wrk_index != mp->context)
{
- s = session_get_from_handle_if_valid (mp->handle);
- if (!s)
- {
- clib_warning ("session doesn't exist");
- return;
- }
- if (s->app_wrk_index != mp->context)
- {
- clib_warning ("app doesn't own session");
- return;
- }
- s->session_state = SESSION_STATE_READY;
+ clib_warning ("app doesn't own session");
+ return;
}
+ s->session_state = SESSION_STATE_READY;
+
+ if (!session_has_transport (s))
+ ct_session_connect_notify (s);
}
static void
diff --git a/src/vnet/session/session_lookup.c b/src/vnet/session/session_lookup.c
index 854da7fdd3c..d7e932a96e4 100644
--- a/src/vnet/session/session_lookup.c
+++ b/src/vnet/session/session_lookup.c
@@ -1304,7 +1304,7 @@ u8 *
format_ip4_session_lookup_kvp (u8 * s, va_list * args)
{
clib_bihash_kv_16_8_t *kvp = va_arg (*args, clib_bihash_kv_16_8_t *);
- u32 is_local = va_arg (*args, u32), app_wrk_index, session_index;
+ u32 is_local = va_arg (*args, u32);
v4_connection_key_t *key = (v4_connection_key_t *) kvp->key;
session_t *session;
app_worker_t *app_wrk;
@@ -1324,8 +1324,8 @@ format_ip4_session_lookup_kvp (u8 * s, va_list * args)
}
else
{
- local_session_parse_handle (kvp->value, &app_wrk_index, &session_index);
- app_wrk = app_worker_get (app_wrk_index);
+ session = session_get_from_handle (kvp->value);
+ app_wrk = app_worker_get (session->app_wrk_index);
app_name = application_name_from_index (app_wrk->app_index);
str = format (0, "[%U] %U:%d", format_transport_proto_short, key->proto,
format_ip4_address, &key->src,
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 7855bf8c56d..e6309429194 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -25,6 +25,14 @@
#include <vnet/session/session_debug.h>
#include <svm/queue.h>
+static void session_mq_accepted_reply_handler (void *data);
+
+static void
+accepted_notify_cb (void *data, u32 data_len)
+{
+ session_mq_accepted_reply_handler (data);
+}
+
static void
session_mq_accepted_reply_handler (void *data)
{
@@ -32,7 +40,6 @@ session_mq_accepted_reply_handler (void *data)
vnet_disconnect_args_t _a = { 0 }, *a = &_a;
session_state_t old_state;
app_worker_t *app_wrk;
- local_session_t *ls;
session_t *s;
/* Server isn't interested, kill the session */
@@ -44,38 +51,35 @@ session_mq_accepted_reply_handler (void *data)
return;
}
- if (session_handle_is_local (mp->handle))
+ /* Mail this back from the main thread. We're not polling in main
+ * thread so we're using other workers for notifications. */
+ if (vlib_num_workers () && vlib_get_thread_index () != 0
+ && session_thread_from_handle (mp->handle) == 0)
{
- ls = app_worker_get_local_session_from_handle (mp->handle);
- if (!ls)
- {
- clib_warning ("unknown local handle 0x%lx", mp->handle);
- return;
- }
- app_wrk = app_worker_get (ls->app_wrk_index);
- if (app_wrk->app_index != mp->context)
- {
- clib_warning ("server %u doesn't own local handle 0x%lx",
- mp->context, mp->handle);
- return;
- }
- if (app_worker_local_session_connect_notify (ls))
+ vl_api_rpc_call_main_thread (accepted_notify_cb, data,
+ sizeof (session_accepted_reply_msg_t));
+ return;
+ }
+
+ s = session_get_from_handle_if_valid (mp->handle);
+ if (!s)
+ return;
+
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != mp->context)
+ {
+ clib_warning ("app doesn't own session");
+ return;
+ }
+
+ if (!session_has_transport (s))
+ {
+ if (ct_session_connect_notify (s))
return;
- ls->session_state = SESSION_STATE_READY;
+ s->session_state = SESSION_STATE_READY;
}
else
{
- s = session_get_from_handle_if_valid (mp->handle);
- if (!s)
- return;
-
- app_wrk = app_worker_get (s->app_wrk_index);
- if (app_wrk->app_index != mp->context)
- {
- clib_warning ("app doesn't own session");
- return;
- }
-
old_state = s->session_state;
s->session_state = SESSION_STATE_READY;
if (!svm_fifo_is_empty (s->rx_fifo))
diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h
index 3709445ccac..7f1acdd5bf4 100644
--- a/src/vnet/session/session_types.h
+++ b/src/vnet/session/session_types.h
@@ -19,7 +19,6 @@
#include <svm/svm_fifo.h>
#include <vnet/session/transport_types.h>
-#define SESSION_LOCAL_HANDLE_PREFIX 0x7FFFFFFF
#define SESSION_LISTENER_PREFIX 0x5FFFFFFF
#define foreach_session_endpoint_fields \
@@ -41,6 +40,7 @@ typedef struct _session_endpoint_cfg
u32 app_wrk_index;
u32 opaque;
u32 ns_index;
+ u8 original_tp;
u8 *hostname;
} session_endpoint_cfg_t;
@@ -275,111 +275,6 @@ session_parse_handle (session_handle_t handle, u32 * index,
*thread_index = session_thread_from_handle (handle);
}
-always_inline u8
-session_handle_is_local (session_handle_t handle)
-{
- if ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX)
- return 1;
- return 0;
-}
-
-typedef struct local_session_
-{
- /** fifo pointers. Once allocated, these do not move */
- svm_fifo_t *rx_fifo;
- svm_fifo_t *tx_fifo;
-
- /** Type */
- session_type_t session_type;
-
- /** State */
- volatile u8 session_state;
-
- /** Session index */
- u32 session_index;
-
- /** Server index */
- u32 app_wrk_index;
-
- /** Port for connection. Overlaps thread_index/enqueue_epoch */
- u16 port;
-
- /** Partly overlaps enqueue_epoch */
- u8 pad_epoch[7];
-
- /** Segment index where fifos were allocated */
- u32 svm_segment_index;
-
- /** Transport listener index. Overlaps connection index */
- u32 transport_listener_index;
-
- union
- {
- u32 listener_index;
- u32 app_index;
- };
-
- u32 al_index;
-
- /** Has transport embedded when listener not purely local */
- session_type_t listener_session_type;
-
- /**
- * Client data
- */
- u32 client_wrk_index;
- u32 client_opaque;
-
- u64 server_evt_q;
- u64 client_evt_q;
-
- CLIB_CACHE_LINE_ALIGN_MARK (pad);
-} local_session_t;
-
-always_inline u32
-local_session_id (local_session_t * ls)
-{
- ASSERT (ls->session_index < (2 << 16));
- u32 app_or_wrk_index;
-
- if (ls->session_state == SESSION_STATE_LISTENING)
- {
- ASSERT (ls->app_index < (2 << 16));
- app_or_wrk_index = ls->app_index;
- }
- else
- {
- ASSERT (ls->app_wrk_index < (2 << 16));
- app_or_wrk_index = ls->app_wrk_index;
- }
-
- return ((u32) app_or_wrk_index << 16 | (u32) ls->session_index);
-}
-
-always_inline void
-local_session_parse_id (u32 ls_id, u32 * app_or_wrk, u32 * session_index)
-{
- *app_or_wrk = ls_id >> 16;
- *session_index = ls_id & 0xFF;
-}
-
-always_inline void
-local_session_parse_handle (session_handle_t handle, u32 * app_or_wrk_index,
- u32 * session_index)
-{
- u32 bottom;
- ASSERT (((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX));
- bottom = (handle & 0xFFFFFFFF);
- local_session_parse_id (bottom, app_or_wrk_index, session_index);
-}
-
-always_inline session_handle_t
-application_local_session_handle (local_session_t * ls)
-{
- return ((u64) SESSION_LOCAL_HANDLE_PREFIX << 32)
- | (u64) local_session_id (ls);
-}
-
typedef enum
{
FIFO_EVENT_APP_RX,