From 0bee9ce4af04322c56f7511f24bda4874e78a4b4 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Thu, 22 Mar 2018 21:24:31 -0700 Subject: session: allow builtin apps to register names Change-Id: I4b428e170436671b329657283cf7653befc85c9f Signed-off-by: Florin Coras --- src/vnet/session/application.c | 56 ++++++++++++++++++++++++-------- src/vnet/session/application.h | 6 +++- src/vnet/session/application_interface.c | 15 ++++++--- src/vnet/session/application_interface.h | 3 ++ src/vnet/session/session_test.c | 8 +++++ src/vnet/tls/tls.c | 5 +-- 6 files changed, 73 insertions(+), 20 deletions(-) diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c index 14169fab83d..0db52fedcdd 100644 --- a/src/vnet/session/application.c +++ b/src/vnet/session/application.c @@ -28,6 +28,11 @@ static application_t *app_pool; */ static uword *app_by_api_client_index; +/** + * Hash table of builtin apps by name + */ +static uword *app_by_name; + static u8 * app_get_name_from_reg_index (application_t * app) { @@ -43,6 +48,14 @@ app_get_name_from_reg_index (application_t * app) return app_name; } +static u8 * +app_get_name (application_t * app) +{ + if (!app->name) + return app_get_name_from_reg_index (app); + return app->name; +} + u32 application_session_table (application_t * app, u8 fib_proto) { @@ -104,13 +117,19 @@ application_name_from_index (u32 app_index) static void application_table_add (application_t * app) { - hash_set (app_by_api_client_index, app->api_client_index, app->index); + if (app->api_client_index != APP_INVALID_INDEX) + hash_set (app_by_api_client_index, app->api_client_index, app->index); + else if (app->name) + hash_set_mem (app_by_name, app->name, app->index); } static void application_table_del (application_t * app) { - hash_unset (app_by_api_client_index, app->api_client_index); + if (app->api_client_index != APP_INVALID_INDEX) + hash_unset (app_by_api_client_index, app->api_client_index); + else if (app->name) + hash_unset_mem (app_by_name, app->name); } application_t * @@ -124,6 +143,17 @@ application_lookup (u32 api_client_index) return 0; } +application_t * +application_lookup_name (const u8 * name) +{ + uword *p; + p = hash_get_mem (app_by_name, name); + if (p) + return application_get (p[0]); + + return 0; +} + application_t * application_new () { @@ -213,6 +243,7 @@ application_del (application_t * app) vec_free (app->tls_key); application_table_del (app); + vec_free (app->name); pool_put (app_pool, app); } @@ -257,8 +288,8 @@ application_verify_cfg (ssvm_segment_type_t st) } int -application_init (application_t * app, u32 api_client_index, u64 * options, - session_cb_vft_t * cb_fns) +application_init (application_t * app, u32 api_client_index, u8 * app_name, + u64 * options, session_cb_vft_t * cb_fns) { ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD; u32 first_seg_size, prealloc_fifo_pairs; @@ -328,6 +359,7 @@ application_init (application_t * app, u32 api_client_index, u64 * options, app->local_connects = hash_create (0, sizeof (u64)); app->proxied_transports = options[APP_OPTIONS_PROXY_TRANSPORT]; app->event_queue = segment_manager_event_queue (sm); + app->name = vec_dup (app_name); /* If no scope enabled, default to global */ if (!application_has_global_scope (app) @@ -1380,21 +1412,19 @@ format_application (u8 * s, va_list * args) "API Client", "Namespace", "Add seg size", "Rx fifo size", "Tx fifo size"); else - s = - format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client", - "Namespace"); + s = format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client", + "Namespace"); return s; } - app_name = app_get_name_from_reg_index (app); + app_name = app_get_name (app); app_ns_name = app_namespace_id_from_index (app->ns_index); props = application_segment_manager_properties (app); if (verbose) - s = - format (s, "%-10d%-20s%-15d%-15d%-15d%-15d%-15d", app->index, app_name, - app->api_client_index, app->ns_index, - props->add_segment_size, - props->rx_fifo_size, props->tx_fifo_size); + s = format (s, "%-10d%-20s%-15d%-15d%-15d%-15d%-15d", app->index, + app_name, app->api_client_index, app->ns_index, + props->add_segment_size, props->rx_fifo_size, + props->tx_fifo_size); else s = format (s, "%-10d%-20s%-15d%-40s", app->index, app_name, app->api_client_index, app_ns_name); diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h index 4050cb47bd4..9f3fc12e486 100644 --- a/src/vnet/session/application.h +++ b/src/vnet/session/application.h @@ -59,6 +59,9 @@ typedef struct _application /** Flags */ u32 flags; + /** Name registered by builtin apps */ + u8 *name; + /* * Binary API interface to external app */ @@ -136,11 +139,12 @@ typedef struct _application application_t *application_new (); int application_init (application_t * app, u32 api_client_index, - u64 * options, session_cb_vft_t * cb_fns); + u8 * name, u64 * options, session_cb_vft_t * cb_fns); void application_del (application_t * app); application_t *application_get (u32 index); application_t *application_get_if_valid (u32 index); application_t *application_lookup (u32 api_client_index); +application_t *application_lookup_name (const u8 * name); u32 application_get_index (application_t * app); int application_start_listen (application_t * app, diff --git a/src/vnet/session/application_interface.c b/src/vnet/session/application_interface.c index f069b28a5cc..ecdbe16e6a6 100644 --- a/src/vnet/session/application_interface.c +++ b/src/vnet/session/application_interface.c @@ -453,10 +453,17 @@ vnet_application_attach (vnet_app_attach_args_t * a) u64 secret; int rv; - app = application_lookup (a->api_client_index); + if (a->api_client_index != APP_INVALID_INDEX) + app = application_lookup (a->api_client_index); + else if (a->name) + app = application_lookup_name (a->name); + else + return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0, + "api index or name must be provided"); + if (app) - return clib_error_return_code (0, VNET_API_ERROR_APP_ALREADY_ATTACHED, - 0, "app already attached"); + return clib_error_return_code (0, VNET_API_ERROR_APP_ALREADY_ATTACHED, 0, + "app already attached"); secret = a->options[APP_OPTIONS_NAMESPACE_SECRET]; if ((rv = session_validate_namespace (a->namespace_id, secret, @@ -464,7 +471,7 @@ vnet_application_attach (vnet_app_attach_args_t * a) return clib_error_return_code (0, rv, 0, "namespace validation: %d", rv); a->options[APP_OPTIONS_NAMESPACE] = app_ns_index; app = application_new (); - if ((rv = application_init (app, a->api_client_index, a->options, + if ((rv = application_init (app, a->api_client_index, a->name, a->options, a->session_cb_vft))) return clib_error_return_code (0, rv, 0, "app init: %d", rv); diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h index f72a4619974..5dc237f6e7b 100644 --- a/src/vnet/session/application_interface.h +++ b/src/vnet/session/application_interface.h @@ -28,6 +28,9 @@ typedef struct _vnet_app_attach_args_t /** Binary API client index */ u32 api_client_index; + /** Application name. Used by builtin apps */ + u8 *name; + /** Application and segment manager options */ u64 *options; diff --git a/src/vnet/session/session_test.c b/src/vnet/session/session_test.c index ceac7039940..248b4d73fa8 100644 --- a/src/vnet/session/session_test.c +++ b/src/vnet/session/session_test.c @@ -159,11 +159,13 @@ session_test_basic (vlib_main_t * vm, unformat_input_t * input) .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, + .name = format (0, "session_test"), }; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "app attached"); server_index = attach_args.app_index; + vec_free (attach_args.name); server_sep.is_ip4 = 1; vnet_bind_args_t bind_args = { @@ -236,6 +238,7 @@ session_test_namespace (vlib_main_t * vm, unformat_input_t * input) .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, + .name = format (0, "session_test"), }; vnet_bind_args_t bind_args = { @@ -524,6 +527,7 @@ session_test_namespace (vlib_main_t * vm, unformat_input_t * input) /* * Cleanup */ + vec_free (attach_args.name); vec_free (ns_id); session_delete_loopback (sw_if_index); return 0; @@ -838,6 +842,7 @@ session_test_rules (vlib_main_t * vm, unformat_input_t * input) .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, + .name = format (0, "session_test"), }; vnet_bind_args_t bind_args = { @@ -1356,6 +1361,7 @@ session_test_rules (vlib_main_t * vm, unformat_input_t * input) vnet_application_detach (&detach_args); vec_free (ns_id); + vec_free (attach_args.name); return 0; } @@ -1426,6 +1432,7 @@ session_test_proxy (vlib_main_t * vm, unformat_input_t * input) .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, + .name = format (0, "session_test"), }; attach_args.api_client_index = dummy_server_api_index; @@ -1481,6 +1488,7 @@ session_test_proxy (vlib_main_t * vm, unformat_input_t * input) "local session endpoint lookup should not work after detach"); if (verbose) unformat_free (&tmp_input); + vec_free (attach_args.name); return 0; } diff --git a/src/vnet/tls/tls.c b/src/vnet/tls/tls.c index d4c40f715d4..23ba70aa4f0 100644 --- a/src/vnet/tls/tls.c +++ b/src/vnet/tls/tls.c @@ -726,8 +726,9 @@ tls_init (vlib_main_t * vm) memset (options, 0, sizeof (options)); a->session_cb_vft = &tls_app_cb_vft; - a->api_client_index = (1 << 24) + 1; + a->api_client_index = APP_INVALID_INDEX; a->options = options; + a->name = format (0, "tls"); a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size; a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; @@ -753,7 +754,7 @@ tls_init (vlib_main_t * vm) FIB_PROTOCOL_IP4, ~0); transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto, FIB_PROTOCOL_IP6, ~0); - + vec_free (a->name); return 0; } -- cgit 1.2.3-korg