From 5c9083d52646153bdc917a7ae37da696d864ad1c Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Fri, 13 Apr 2018 06:39:07 -0700 Subject: session: use generic session pool for listeners Change-Id: I825f3822910a6ee368b9004e39ca16ac6833e30c Signed-off-by: Florin Coras --- src/vnet/session/application.c | 5 ++-- src/vnet/session/session.c | 6 +--- src/vnet/session/session.h | 63 +++++++-------------------------------- src/vnet/session/session_api.c | 8 ++--- src/vnet/session/session_cli.c | 29 ++++++++---------- src/vnet/session/session_lookup.c | 16 ++++------ src/vnet/session/session_test.c | 5 ++-- src/vnet/tls/tls.c | 13 ++++---- 8 files changed, 42 insertions(+), 103 deletions(-) (limited to 'src/vnet') diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c index 7bc2c11442a..1c46e786e13 100644 --- a/src/vnet/session/application.c +++ b/src/vnet/session/application.c @@ -442,7 +442,7 @@ application_start_listen (application_t * srv, session_endpoint_t * sep, session_type_t sst; sst = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4); - s = listen_session_new (sst); + s = listen_session_new (0, sst); s->app_index = srv->index; if (stream_session_listen (s, sep)) @@ -566,8 +566,7 @@ application_get_local_segment_manager_w_session (application_t * app, stream_session_t *listener; if (application_local_session_listener_has_transport (ls)) { - listener = listen_session_get (ls->listener_session_type, - ls->listener_index); + listener = listen_session_get (ls->listener_index); return application_get_listen_segment_manager (app, listener); } return segment_manager_get (app->local_segment_manager); diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index d4220d4ae6b..d258b82c983 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -774,13 +774,10 @@ stream_session_accept (transport_connection_t * tc, u32 listener_index, application_t *server; stream_session_t *s, *listener; segment_manager_t *sm; - session_type_t sst; int rv; - sst = session_type_from_proto_and_ip (tc->proto, tc->is_ip4); - /* Find the server */ - listener = listen_session_get (sst, listener_index); + listener = listen_session_get (listener_index); server = application_get (listener->app_index); sm = application_get_listen_segment_manager (server, listener); @@ -1150,7 +1147,6 @@ session_register_transport (transport_proto_t transport_proto, session_type = session_type_from_proto_and_ip (transport_proto, is_ip4); vec_validate (smm->session_type_to_next, session_type); - vec_validate (smm->listen_sessions, session_type); vec_validate (smm->session_tx_fns, session_type); /* *INDENT-OFF* */ diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h index a6118d12766..0b53f61a10a 100644 --- a/src/vnet/session/session.h +++ b/src/vnet/session/session.h @@ -126,9 +126,6 @@ struct _session_manager_main /** Per worker-thread session pool peekers rw locks */ clib_rwlock_t *peekers_rw_locks; - /** Pool of listen sessions. Same type as stream sessions to ease lookups */ - stream_session_t **listen_sessions; - /** Per-proto, per-worker enqueue epoch counters */ u32 *current_enqueue_epoch[TRANSPORT_N_PROTO]; @@ -396,21 +393,6 @@ session_get_from_handle_safe (u64 handle) } } -always_inline stream_session_t * -stream_session_listener_get (u8 sst, u64 si) -{ - return pool_elt_at_index (session_manager_main.listen_sessions[sst], si); -} - -always_inline u32 -stream_session_get_index (stream_session_t * s) -{ - if (s->session_state == SESSION_STATE_LISTENING) - return s - session_manager_main.listen_sessions[s->session_type]; - - return s - session_manager_main.sessions[s->thread_index]; -} - always_inline u32 stream_session_max_rx_enqueue (transport_connection_t * tc) { @@ -513,59 +495,42 @@ always_inline u64 listen_session_get_handle (stream_session_t * s) { ASSERT (s->session_state == SESSION_STATE_LISTENING); - return ((u64) s->session_type << 32) | s->session_index; + return session_handle (s); } always_inline stream_session_t * listen_session_get_from_handle (session_handle_t handle) { - session_manager_main_t *smm = &session_manager_main; - stream_session_t *s; - u32 type, index; - type = handle >> 32; - index = handle & 0xFFFFFFFF; - - if (pool_is_free_index (smm->listen_sessions[type], index)) - return 0; - - s = pool_elt_at_index (smm->listen_sessions[type], index); - ASSERT (s->session_state == SESSION_STATE_LISTENING); - return s; + return session_get_from_handle (handle); } always_inline void -listen_session_parse_handle (session_handle_t handle, u32 * type, u32 * index) +listen_session_parse_handle (session_handle_t handle, u32 * index, + u32 * thread_index) { - *type = handle >> 32; - *index = handle & 0xFFFFFFFF; + session_parse_handle (handle, index, thread_index); } always_inline stream_session_t * -listen_session_new (session_type_t type) +listen_session_new (u8 thread_index, session_type_t type) { stream_session_t *s; - pool_get_aligned (session_manager_main.listen_sessions[type], s, - CLIB_CACHE_LINE_BYTES); - memset (s, 0, sizeof (*s)); - + s = session_alloc (thread_index); s->session_type = type; s->session_state = SESSION_STATE_LISTENING; - s->session_index = s - session_manager_main.listen_sessions[type]; - return s; } always_inline stream_session_t * -listen_session_get (session_type_t type, u32 index) +listen_session_get (u32 index) { - return pool_elt_at_index (session_manager_main.listen_sessions[type], - index); + return session_get (index, 0); } always_inline void listen_session_del (stream_session_t * s) { - pool_put (session_manager_main.listen_sessions[s->session_type], s); + session_free (s); } transport_connection_t *listen_session_get_transport (stream_session_t * s); @@ -574,14 +539,6 @@ int listen_session_get_local_session_endpoint (stream_session_t * listener, session_endpoint_t * sep); -always_inline stream_session_t * -session_manager_get_listener (u8 session_type, u32 index) -{ - return - pool_elt_at_index (session_manager_main.listen_sessions[session_type], - index); -} - always_inline u8 session_manager_is_enabled () { diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c index 9236b19a5d0..2a74a196201 100755 --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -174,7 +174,7 @@ send_session_accept_callback (stream_session_t * s) if (session_has_transport (s)) { - listener = listen_session_get (s->session_type, s->listener_index); + listener = listen_session_get (s->listener_index); mp->listener_handle = listen_session_get_handle (listener); if (application_is_proxy (server)) { @@ -199,8 +199,7 @@ send_session_accept_callback (stream_session_t * s) local_session_t *ll; if (application_local_session_listener_has_transport (ls)) { - listener = listen_session_get (ls->listener_session_type, - ls->listener_index); + listener = listen_session_get (ls->listener_index); mp->listener_handle = listen_session_get_handle (listener); mp->is_ip4 = session_type_is_ip4 (listener->session_type); } @@ -210,8 +209,7 @@ send_session_accept_callback (stream_session_t * s) ls->listener_index); if (ll->transport_listener_index != ~0) { - listener = listen_session_get (ll->listener_session_type, - ll->transport_listener_index); + listener = listen_session_get (ll->transport_listener_index); mp->listener_handle = listen_session_get_handle (listener); } else diff --git a/src/vnet/session/session_cli.c b/src/vnet/session/session_cli.c index 929e604b01e..52833554a53 100755 --- a/src/vnet/session/session_cli.c +++ b/src/vnet/session/session_cli.c @@ -61,7 +61,7 @@ format_stream_session (u8 * s, va_list * args) str = format (0, "%-10u%-10u%-10lld", svm_fifo_max_dequeue (ss->server_rx_fifo), svm_fifo_max_enqueue (ss->server_tx_fifo), - stream_session_get_index (ss)); + session_get_index (ss)); if (ss->session_state >= SESSION_STATE_ACCEPTING) { @@ -237,21 +237,18 @@ show_session_command_fn (vlib_main_t * vm, unformat_input_t * input, if (do_listeners) { sst = session_type_from_proto_and_ip (transport_proto, 1); - vlib_cli_output (vm, "There are %d active %U listeners", - pool_elts (smm->listen_sessions[sst]), - format_transport_proto, transport_proto); - if (verbose) - { - vlib_cli_output (vm, "%-40s%-24s%-10s", "Listener", "App", "S-idx"); - /* *INDENT-OFF* */ - pool_foreach (s, smm->listen_sessions[sst], ({ - app_name = application_name_from_index (s->app_index); - vlib_cli_output (vm, "%U%-25v%-10u", format_stream_session, s, 1, - app_name, s->session_index); - vec_free (app_name); - })); - /* *INDENT-ON* */ - } + vlib_cli_output (vm, "%-40s%-24s%-10s", "Listener", "App", "S-idx"); + /* *INDENT-OFF* */ + pool_foreach (s, smm->sessions[0], ({ + if (s->session_state != SESSION_STATE_LISTENING + || s->session_type != sst) + continue; + app_name = application_name_from_index (s->app_index); + vlib_cli_output (vm, "%U%-25v%-10u", format_stream_session, s, 1, + app_name, s->session_index); + vec_free (app_name); + })); + /* *INDENT-ON* */ return 0; } diff --git a/src/vnet/session/session_lookup.c b/src/vnet/session/session_lookup.c index 3a80286a9cb..83f95bed062 100644 --- a/src/vnet/session/session_lookup.c +++ b/src/vnet/session/session_lookup.c @@ -652,16 +652,14 @@ session_lookup_listener4_i (session_table_t * st, ip4_address_t * lcl, { session_kv4_t kv4; int rv; - session_type_t session_type; /* * First, try a fully formed listener */ - session_type = session_type_from_proto_and_ip (proto, 1); make_v4_listener_kv (&kv4, lcl, lcl_port, proto); rv = clib_bihash_search_inline_16_8 (&st->v4_session_hash, &kv4); if (rv == 0) - return session_manager_get_listener (session_type, (u32) kv4.value); + return listen_session_get ((u32) kv4.value); /* * Zero out the lcl ip and check if any 0/0 port binds have been done @@ -671,7 +669,7 @@ session_lookup_listener4_i (session_table_t * st, ip4_address_t * lcl, kv4.key[0] = 0; rv = clib_bihash_search_inline_16_8 (&st->v4_session_hash, &kv4); if (rv == 0) - return session_manager_get_listener (session_type, (u32) kv4.value); + return listen_session_get ((u32) kv4.value); } else { @@ -684,7 +682,7 @@ session_lookup_listener4_i (session_table_t * st, ip4_address_t * lcl, make_v4_proxy_kv (&kv4, lcl, proto); rv = clib_bihash_search_inline_16_8 (&st->v4_session_hash, &kv4); if (rv == 0) - return session_manager_get_listener (session_type, (u32) kv4.value); + return listen_session_get ((u32) kv4.value); return 0; } @@ -706,13 +704,11 @@ session_lookup_listener6_i (session_table_t * st, ip6_address_t * lcl, { session_kv6_t kv6; int rv; - session_type_t session_type; - session_type = session_type_from_proto_and_ip (proto, 0); make_v6_listener_kv (&kv6, lcl, lcl_port, proto); rv = clib_bihash_search_inline_48_8 (&st->v6_session_hash, &kv6); if (rv == 0) - return session_manager_get_listener (session_type, (u32) kv6.value); + return listen_session_get ((u32) kv6.value); /* Zero out the lcl ip */ if (ip_wildcard) @@ -720,7 +716,7 @@ session_lookup_listener6_i (session_table_t * st, ip6_address_t * lcl, kv6.key[0] = kv6.key[1] = 0; rv = clib_bihash_search_inline_48_8 (&st->v6_session_hash, &kv6); if (rv == 0) - return session_manager_get_listener (session_type, (u32) kv6.value); + return listen_session_get ((u32) kv6.value); } else { @@ -730,7 +726,7 @@ session_lookup_listener6_i (session_table_t * st, ip6_address_t * lcl, make_v6_proxy_kv (&kv6, lcl, proto); rv = clib_bihash_search_inline_48_8 (&st->v6_session_hash, &kv6); if (rv == 0) - return session_manager_get_listener (session_type, (u32) kv6.value); + return listen_session_get ((u32) kv6.value); return 0; } diff --git a/src/vnet/session/session_test.c b/src/vnet/session/session_test.c index 248b4d73fa8..c12041a2ee6 100644 --- a/src/vnet/session/session_test.c +++ b/src/vnet/session/session_test.c @@ -1375,7 +1375,7 @@ session_test_proxy (vlib_main_t * vm, unformat_input_t * input) u32 server_index, app_index; u32 dummy_server_api_index = ~0, sw_if_index = 0; clib_error_t *error = 0; - u8 sst, is_filtered = 0; + u8 is_filtered = 0; stream_session_t *s; transport_connection_t *tc; u16 lcl_port = 1234, rmt_port = 4321; @@ -1454,8 +1454,7 @@ session_test_proxy (vlib_main_t * vm, unformat_input_t * input) TRANSPORT_PROTO_TCP, 0, &is_filtered); SESSION_TEST ((tc != 0), "lookup 1.2.3.4 1234 5.6.7.8 4321 should be " "successful"); - sst = session_type_from_proto_and_ip (TRANSPORT_PROTO_TCP, 1); - s = listen_session_get (sst, tc->s_index); + s = listen_session_get (tc->s_index); SESSION_TEST ((s->app_index == server_index), "lookup should return the" " server"); diff --git a/src/vnet/tls/tls.c b/src/vnet/tls/tls.c index d7dcb6de8f4..492b3cc7a2a 100644 --- a/src/vnet/tls/tls.c +++ b/src/vnet/tls/tls.c @@ -384,8 +384,7 @@ tls_session_accept_callback (stream_session_t * tls_session) tls_ctx_t *lctx, *ctx; u32 ctx_handle; - tls_listener = listen_session_get (tls_session->session_type, - tls_session->listener_index); + tls_listener = listen_session_get (tls_session->listener_index); lctx = tls_listener_ctx_get (tls_listener->opaque); ctx_handle = tls_ctx_alloc (lctx->tls_ctx_engine); @@ -557,7 +556,6 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep) stream_session_t *tls_listener; tls_ctx_t *lctx; u32 lctx_index; - session_type_t st; stream_session_t *app_listener; tls_engine_type_t engine_type; @@ -581,8 +579,7 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep) tls_listener = listen_session_get_from_handle (tls_handle); tls_listener->opaque = lctx_index; - st = session_type_from_proto_and_ip (TRANSPORT_PROTO_TLS, sep->is_ip4); - app_listener = listen_session_get (st, app_listener_index); + app_listener = listen_session_get (app_listener_index); lctx = tls_listener_ctx_get (lctx_index); lctx->parent_app_index = sep->app_index; @@ -668,10 +665,10 @@ format_tls_listener (u8 * s, va_list * args) { u32 tc_index = va_arg (*args, u32); tls_ctx_t *ctx = tls_listener_ctx_get (tc_index); - u32 listener_index, type; + u32 listener_index, thread_index; - listen_session_parse_handle (ctx->tls_session_handle, &type, - &listener_index); + listen_session_parse_handle (ctx->tls_session_handle, &listener_index, + &thread_index); return format (s, "[TLS] listener app %u child %u", ctx->parent_app_index, listener_index); } -- cgit 1.2.3-korg