X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_api.c;h=fc0a257f9fe68d01354266456c9d0a0f77e03916;hb=c97a7398fc465c480a3ac66cf4b0f91a034ed564;hp=9d068684636626e8742351902123ae979a762b1f;hpb=68b0fb0c620c7451ef1a6380c43c39de6614db51;p=vpp.git diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c old mode 100644 new mode 100755 index 9d068684636..fc0a257f9fe --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -16,9 +16,11 @@ #include #include #include +#include +#include +#include #include -#include "application_interface.h" #define vl_typedefs /* define message structures */ #include @@ -38,6 +40,8 @@ #define foreach_session_api_msg \ _(MAP_ANOTHER_SEGMENT_REPLY, map_another_segment_reply) \ +_(APPLICATION_ATTACH, application_attach) \ +_(APPLICATION_DETACH, application_detach) \ _(BIND_URI, bind_uri) \ _(UNBIND_URI, unbind_uri) \ _(CONNECT_URI, connect_uri) \ @@ -45,13 +49,13 @@ _(DISCONNECT_SESSION, disconnect_session) \ _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ _(ACCEPT_SESSION_REPLY, accept_session_reply) \ _(RESET_SESSION_REPLY, reset_session_reply) \ -_(BIND_SOCK, bind_sock) \ +_(BIND_SOCK, bind_sock) \ _(UNBIND_SOCK, unbind_sock) \ _(CONNECT_SOCK, connect_sock) \ -_(DISCONNECT_SOCK, disconnect_sock) \ -_(DISCONNECT_SOCK_REPLY, disconnect_sock_reply) \ -_(ACCEPT_SOCK_REPLY, accept_sock_reply) \ -_(RESET_SOCK_REPLY, reset_sock_reply) \ +_(SESSION_ENABLE_DISABLE, session_enable_disable) \ +_(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \ +_(SESSION_RULE_ADD_DEL, session_rule_add_del) \ +_(SESSION_RULES_DUMP, session_rules_dump) \ static int send_add_segment_callback (u32 api_client_index, const u8 * segment_name, @@ -78,11 +82,14 @@ send_add_segment_callback (u32 api_client_index, const u8 * segment_name, } static int -send_session_accept_uri_callback (stream_session_t * s) +send_session_accept_callback (stream_session_t * s) { vl_api_accept_session_t *mp; unix_shared_memory_queue_t *q, *vpp_queue; application_t *server = application_get (s->app_index); + transport_connection_t *tc; + transport_proto_vft_t *tp_vft; + stream_session_t *listener; q = vl_api_client_index_to_input_queue (server->api_client_index); vpp_queue = session_manager_get_vpp_event_queue (s->thread_index); @@ -91,24 +98,28 @@ send_session_accept_uri_callback (stream_session_t * s) return -1; mp = vl_msg_api_alloc (sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SESSION); - - /* Note: session_type is the first octet in all types of sessions */ + memset (mp, 0, sizeof (*mp)); - mp->accept_cookie = server->accept_cookie; - mp->server_rx_fifo = (u64) s->server_rx_fifo; - mp->server_tx_fifo = (u64) s->server_tx_fifo; - mp->session_thread_index = s->thread_index; - mp->session_index = s->session_index; - mp->session_type = s->session_type; - mp->vpp_event_queue_address = (u64) vpp_queue; + mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SESSION); + mp->context = server->index; + listener = listen_session_get (s->session_type, s->listener_index); + tp_vft = transport_protocol_get_vft (s->session_type); + tc = tp_vft->get_connection (s->connection_index, s->thread_index); + mp->listener_handle = listen_session_get_handle (listener); + mp->handle = session_handle (s); + mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo); + mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo); + mp->vpp_event_queue_address = pointer_to_uword (vpp_queue); + mp->port = tc->rmt_port; + mp->is_ip4 = tc->is_ip4; + clib_memcpy (&mp->ip, &tc->rmt_ip, sizeof (tc->rmt_ip)); vl_msg_api_send_shmem (q, (u8 *) & mp); return 0; } static void -send_session_disconnect_uri_callback (stream_session_t * s) +send_session_disconnect_callback (stream_session_t * s) { vl_api_disconnect_session_t *mp; unix_shared_memory_queue_t *q; @@ -122,217 +133,73 @@ send_session_disconnect_uri_callback (stream_session_t * s) mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DISCONNECT_SESSION); - - mp->session_thread_index = s->thread_index; - mp->session_index = s->session_index; + mp->handle = session_handle (s); vl_msg_api_send_shmem (q, (u8 *) & mp); } -static int -send_session_connected_uri_callback (u32 api_client_index, - stream_session_t * s, u8 is_fail) +static void +send_session_reset_callback (stream_session_t * s) { - vl_api_connect_uri_reply_t *mp; + vl_api_reset_session_t *mp; unix_shared_memory_queue_t *q; - application_t *app = application_lookup (api_client_index); - u8 *seg_name; - unix_shared_memory_queue_t *vpp_queue; + application_t *app = application_get (s->app_index); q = vl_api_client_index_to_input_queue (app->api_client_index); if (!q) - return -1; - - mp = vl_msg_api_alloc (sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_URI_REPLY); - mp->context = app->api_context; - mp->retval = is_fail; - if (!is_fail) - { - vpp_queue = session_manager_get_vpp_event_queue (s->thread_index); - mp->server_rx_fifo = (u64) s->server_rx_fifo; - mp->server_tx_fifo = (u64) s->server_tx_fifo; - mp->session_thread_index = s->thread_index; - mp->session_index = s->session_index; - mp->session_type = s->session_type; - mp->vpp_event_queue_address = (u64) vpp_queue; - mp->client_event_queue_address = (u64) app->event_queue; - - session_manager_get_segment_info (s->server_segment_index, &seg_name, - &mp->segment_size); - mp->segment_name_length = vec_len (seg_name); - if (mp->segment_name_length) - clib_memcpy (mp->segment_name, seg_name, mp->segment_name_length); - } - - vl_msg_api_send_shmem (q, (u8 *) & mp); - - /* Remove client if connect failed */ - if (is_fail) - application_del (app); - - return 0; -} - -/** - * Redirect a connect_uri message to the indicated server. - * Only sent if the server has bound the related port with - * URI_OPTIONS_FLAGS_USE_FIFO - */ -static int -redirect_connect_uri_callback (u32 server_api_client_index, void *mp_arg) -{ - vl_api_connect_uri_t *mp = mp_arg; - unix_shared_memory_queue_t *server_q, *client_q; - vlib_main_t *vm = vlib_get_main (); - f64 timeout = vlib_time_now (vm) + 0.5; - int rv = 0; - - server_q = vl_api_client_index_to_input_queue (server_api_client_index); - - if (!server_q) - { - rv = VNET_API_ERROR_INVALID_VALUE; - goto out; - } - - client_q = vl_api_client_index_to_input_queue (mp->client_index); - if (!client_q) - { - rv = VNET_API_ERROR_INVALID_VALUE_2; - goto out; - } - - /* Tell the server the client's API queue address, so it can reply */ - mp->client_queue_address = (u64) client_q; - - /* - * Bounce message handlers MUST NOT block the data-plane. - * Spin waiting for the queue lock, but - */ - - while (vlib_time_now (vm) < timeout) - { - rv = - unix_shared_memory_queue_add (server_q, (u8 *) & mp, 1 /*nowait */ ); - switch (rv) - { - /* correctly enqueued */ - case 0: - return VNET_CONNECT_REDIRECTED; - - /* continue spinning, wait for pthread_mutex_trylock to work */ - case -1: - continue; - - /* queue stuffed, drop the msg */ - case -2: - rv = VNET_API_ERROR_QUEUE_FULL; - goto out; - } - } -out: - /* Dispose of the message */ - vl_msg_api_free (mp); - return rv; -} - -static u64 -make_session_handle (stream_session_t * s) -{ - return (u64) s->session_index << 32 | (u64) s->thread_index; -} - -static int -send_session_accept_callback (stream_session_t * s) -{ - vl_api_accept_sock_t *mp; - unix_shared_memory_queue_t *q, *vpp_queue; - application_t *server = application_get (s->app_index); - - q = vl_api_client_index_to_input_queue (server->api_client_index); - vpp_queue = session_manager_get_vpp_event_queue (s->thread_index); - - if (!q) - return -1; + return; mp = vl_msg_api_alloc (sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SOCK); - - /* Note: session_type is the first octet in all types of sessions */ - - mp->accept_cookie = server->accept_cookie; - mp->server_rx_fifo = (u64) s->server_rx_fifo; - mp->server_tx_fifo = (u64) s->server_tx_fifo; - mp->handle = make_session_handle (s); - mp->vpp_event_queue_address = (u64) vpp_queue; + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_RESET_SESSION); + mp->handle = session_handle (s); vl_msg_api_send_shmem (q, (u8 *) & mp); - - return 0; } -static int -send_session_connected_callback (u32 api_client_index, stream_session_t * s, - u8 is_fail) +int +send_session_connected_callback (u32 app_index, u32 api_context, + stream_session_t * s, u8 is_fail) { - vl_api_connect_sock_reply_t *mp; + vl_api_connect_session_reply_t *mp; unix_shared_memory_queue_t *q; - application_t *app = application_lookup (api_client_index); - u8 *seg_name; + application_t *app; unix_shared_memory_queue_t *vpp_queue; + transport_connection_t *tc; + app = application_get (app_index); q = vl_api_client_index_to_input_queue (app->api_client_index); if (!q) return -1; mp = vl_msg_api_alloc (sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_SOCK_REPLY); - mp->context = app->api_context; - mp->retval = is_fail; - if (!is_fail) - { - vpp_queue = session_manager_get_vpp_event_queue (s->thread_index); - mp->server_rx_fifo = (u64) s->server_rx_fifo; - mp->server_tx_fifo = (u64) s->server_tx_fifo; - mp->handle = make_session_handle (s); - mp->vpp_event_queue_address = (u64) vpp_queue; - mp->client_event_queue_address = (u64) app->event_queue; - - session_manager_get_segment_info (s->server_segment_index, &seg_name, - &mp->segment_size); - mp->segment_name_length = vec_len (seg_name); - if (mp->segment_name_length) - clib_memcpy (mp->segment_name, seg_name, mp->segment_name_length); - } + mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_SESSION_REPLY); + mp->context = api_context; - vl_msg_api_send_shmem (q, (u8 *) & mp); - - /* Remove client if connect failed */ if (is_fail) - application_del (app); - - return 0; -} - -static void -send_session_disconnect_callback (stream_session_t * s) -{ - vl_api_disconnect_sock_t *mp; - unix_shared_memory_queue_t *q; - application_t *app = application_get (s->app_index); - - q = vl_api_client_index_to_input_queue (app->api_client_index); - - if (!q) - return; + goto done; - mp = vl_msg_api_alloc (sizeof (*mp)); - memset (mp, 0, sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DISCONNECT_SOCK); + tc = session_get_transport (s); + if (!tc) + { + is_fail = 1; + goto done; + } - mp->handle = make_session_handle (s); + vpp_queue = session_manager_get_vpp_event_queue (s->thread_index); + mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo); + mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo); + mp->handle = session_handle (s); + mp->vpp_event_queue_address = pointer_to_uword (vpp_queue); + clib_memcpy (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip)); + mp->is_ip4 = tc->is_ip4; + mp->lcl_port = tc->lcl_port; + +done: + mp->retval = is_fail ? + clib_host_to_net_u32 (VNET_API_ERROR_SESSION_CONNECT) : 0; vl_msg_api_send_shmem (q, (u8 *) & mp); + return 0; } /** @@ -347,6 +214,7 @@ redirect_connect_callback (u32 server_api_client_index, void *mp_arg) unix_shared_memory_queue_t *server_q, *client_q; vlib_main_t *vm = vlib_get_main (); f64 timeout = vlib_time_now (vm) + 0.5; + application_t *app; int rv = 0; server_q = vl_api_client_index_to_input_queue (server_api_client_index); @@ -365,7 +233,16 @@ redirect_connect_callback (u32 server_api_client_index, void *mp_arg) } /* Tell the server the client's API queue address, so it can reply */ - mp->client_queue_address = (u64) client_q; + mp->client_queue_address = pointer_to_uword (client_q); + app = application_lookup (mp->client_index); + if (!app) + { + clib_warning ("no client application"); + return -1; + } + + mp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = app->sm_properties.rx_fifo_size; + mp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = app->sm_properties.tx_fifo_size; /* * Bounce message handlers MUST NOT block the data-plane. @@ -380,7 +257,7 @@ redirect_connect_callback (u32 server_api_client_index, void *mp_arg) { /* correctly enqueued */ case 0: - return VNET_CONNECT_REDIRECTED; + return VNET_API_ERROR_SESSION_REDIRECT; /* continue spinning, wait for pthread_mutex_trylock to work */ case -1: @@ -398,123 +275,249 @@ out: return rv; } -static session_cb_vft_t uri_session_cb_vft = { - .session_accept_callback = send_session_accept_uri_callback, - .session_disconnect_callback = send_session_disconnect_uri_callback, - .session_connected_callback = send_session_connected_uri_callback, - .add_segment_callback = send_add_segment_callback, - .redirect_connect_callback = redirect_connect_uri_callback -}; - static session_cb_vft_t session_cb_vft = { .session_accept_callback = send_session_accept_callback, .session_disconnect_callback = send_session_disconnect_callback, .session_connected_callback = send_session_connected_callback, + .session_reset_callback = send_session_reset_callback, .add_segment_callback = send_add_segment_callback, .redirect_connect_callback = redirect_connect_callback }; -static int -api_session_not_valid (u32 session_index, u32 thread_index) +static void +vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp) { - session_manager_main_t *smm = vnet_get_session_manager_main (); - stream_session_t *pool; - - if (thread_index >= vec_len (smm->sessions)) - return VNET_API_ERROR_INVALID_VALUE; - - pool = smm->sessions[thread_index]; - - if (pool_is_free_index (pool, session_index)) - return VNET_API_ERROR_INVALID_VALUE_2; + vl_api_session_enable_disable_reply_t *rmp; + vlib_main_t *vm = vlib_get_main (); + int rv = 0; - return 0; + vnet_session_enable_disable (vm, mp->is_enable); + REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY); } static void -vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp) +vl_api_application_attach_t_handler (vl_api_application_attach_t * mp) { - vl_api_bind_uri_reply_t *rmp; - vnet_bind_args_t _a, *a = &_a; - char segment_name[128]; - u32 segment_name_length; - int rv; + vl_api_application_attach_reply_t *rmp; + vnet_app_attach_args_t _a, *a = &_a; + clib_error_t *error = 0; + int rv = 0; - _Static_assert (sizeof (u64) * SESSION_OPTIONS_N_OPTIONS <= - sizeof (mp->options), - "Out of options, fix api message definition"); + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } - segment_name_length = ARRAY_LEN (segment_name); + STATIC_ASSERT (sizeof (u64) * SESSION_OPTIONS_N_OPTIONS <= + sizeof (mp->options), + "Out of options, fix api message definition"); memset (a, 0, sizeof (*a)); - - a->uri = (char *) mp->uri; a->api_client_index = mp->client_index; a->options = mp->options; - a->segment_name = segment_name; - a->segment_name_length = segment_name_length; - a->session_cb_vft = &uri_session_cb_vft; + a->session_cb_vft = &session_cb_vft; - a->options[SESSION_OPTIONS_SEGMENT_SIZE] = mp->initial_segment_size; - a->options[SESSION_OPTIONS_ACCEPT_COOKIE] = mp->accept_cookie; - rv = vnet_bind_uri (a); + if (mp->namespace_id_len > 64) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto done; + } + + if (mp->namespace_id_len) + { + vec_validate (a->namespace_id, mp->namespace_id_len - 1); + clib_memcpy (a->namespace_id, mp->namespace_id, mp->namespace_id_len); + } + + if ((error = vnet_application_attach (a))) + { + rv = clib_error_get_code (error); + clib_error_report (error); + } + vec_free (a->namespace_id); + +done: /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_BIND_URI_REPLY, ({ - rmp->retval = rv; + REPLY_MACRO2 (VL_API_APPLICATION_ATTACH_REPLY, ({ if (!rv) { rmp->segment_name_length = 0; - /* $$$$ policy? */ - rmp->segment_size = mp->initial_segment_size; - if (segment_name_length) + rmp->segment_size = a->segment_size; + if (a->segment_name_length) { - memcpy (rmp->segment_name, segment_name, segment_name_length); - rmp->segment_name_length = segment_name_length; + memcpy (rmp->segment_name, a->segment_name, + a->segment_name_length); + rmp->segment_name_length = a->segment_name_length; } - rmp->server_event_queue_address = a->server_event_queue_address; + rmp->app_event_queue_address = a->app_event_queue_address; } })); /* *INDENT-ON* */ +} + +static void +vl_api_application_detach_t_handler (vl_api_application_detach_t * mp) +{ + vl_api_application_detach_reply_t *rmp; + int rv = VNET_API_ERROR_INVALID_VALUE_2; + vnet_app_detach_args_t _a, *a = &_a; + application_t *app; + + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + + app = application_lookup (mp->client_index); + if (app) + { + a->app_index = app->index; + rv = vnet_application_detach (a); + } + +done: + REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY); +} + +static void +vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp) +{ + vl_api_bind_uri_reply_t *rmp; + vnet_bind_args_t _a, *a = &_a; + application_t *app; + int rv; + + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + + app = application_lookup (mp->client_index); + if (app) + { + memset (a, 0, sizeof (*a)); + a->uri = (char *) mp->uri; + a->app_index = app->index; + rv = vnet_bind_uri (a); + } + else + { + rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED; + } +done: + REPLY_MACRO (VL_API_BIND_URI_REPLY); } static void vl_api_unbind_uri_t_handler (vl_api_unbind_uri_t * mp) { vl_api_unbind_uri_reply_t *rmp; + application_t *app; + vnet_unbind_args_t _a, *a = &_a; int rv; - rv = vnet_unbind_uri ((char *) mp->uri, mp->client_index); + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + app = application_lookup (mp->client_index); + if (app) + { + a->uri = (char *) mp->uri; + a->app_index = app->index; + rv = vnet_unbind_uri (a); + } + else + { + rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED; + } + +done: REPLY_MACRO (VL_API_UNBIND_URI_REPLY); } static void vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp) { + vl_api_connect_session_reply_t *rmp; vnet_connect_args_t _a, *a = &_a; + application_t *app; + clib_error_t *error = 0; + int rv = 0; - a->uri = (char *) mp->uri; - a->api_client_index = mp->client_index; - a->api_context = mp->context; - a->options = mp->options; - a->session_cb_vft = &uri_session_cb_vft; - a->mp = mp; - vnet_connect_uri (a); + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + + app = application_lookup (mp->client_index); + if (app) + { + a->uri = (char *) mp->uri; + a->api_context = mp->context; + a->app_index = app->index; + a->mp = mp; + if ((error = vnet_connect_uri (a))) + { + rv = clib_error_get_code (error); + if (rv != VNET_API_ERROR_SESSION_REDIRECT) + clib_error_report (error); + } + } + else + { + rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED; + } + + /* + * Don't reply to stream (tcp) connects. The reply will come once + * the connection is established. In case of the redirects, the reply + * will come from the server app. + */ + if (rv == 0 || rv == VNET_API_ERROR_SESSION_REDIRECT) + return; + +done: + /* *INDENT-OFF* */ + REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY); + /* *INDENT-ON* */ } static void vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp) { vl_api_disconnect_session_reply_t *rmp; - int rv; + vnet_disconnect_args_t _a, *a = &_a; + application_t *app; + int rv = 0; - rv = api_session_not_valid (mp->session_index, mp->session_thread_index); - if (!rv) - rv = vnet_disconnect_session (mp->client_index, mp->session_index, - mp->session_thread_index); + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + + app = application_lookup (mp->client_index); + if (app) + { + a->handle = mp->handle; + a->app_index = app->index; + rv = vnet_disconnect_session (a); + } + else + { + rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED; + } +done: REPLY_MACRO (VL_API_DISCONNECT_SESSION_REPLY); } @@ -522,11 +525,8 @@ static void vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * mp) { - if (api_session_not_valid (mp->session_index, mp->session_thread_index)) - { - clib_warning ("Invalid session!"); - return; - } + vnet_disconnect_args_t _a, *a = &_a; + application_t *app; /* Client objected to disconnecting the session, log and continue */ if (mp->retval) @@ -536,16 +536,29 @@ vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * } /* Disconnect has been confirmed. Confirm close to transport */ - vnet_disconnect_session (mp->client_index, mp->session_index, - mp->session_thread_index); + app = application_lookup (mp->client_index); + if (app) + { + a->handle = mp->handle; + a->app_index = app->index; + vnet_disconnect_session (a); + } } static void vl_api_reset_session_reply_t_handler (vl_api_reset_session_reply_t * mp) { + application_t *app; stream_session_t *s; + u32 index, thread_index; + + app = application_lookup (mp->client_index); + if (!app) + return; - if (api_session_not_valid (mp->session_index, mp->session_thread_index)) + session_parse_handle (mp->handle, &index, &thread_index); + s = session_get_if_valid (index, thread_index); + if (s == 0 || app->index != s->app_index) { clib_warning ("Invalid session!"); return; @@ -558,8 +571,6 @@ vl_api_reset_session_reply_t_handler (vl_api_reset_session_reply_t * mp) return; } - s = stream_session_get (mp->session_index, mp->session_thread_index); - /* This comes as a response to a reset, transport only waiting for * confirmation to remove connection state, no need to disconnect */ stream_session_cleanup (s); @@ -569,22 +580,32 @@ static void vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp) { stream_session_t *s; - int rv; - - if (api_session_not_valid (mp->session_index, mp->session_thread_index)) - return; - - s = stream_session_get (mp->session_index, mp->session_thread_index); - rv = mp->retval; + u32 session_index, thread_index; + vnet_disconnect_args_t _a, *a = &_a; - if (rv) + /* Server isn't interested, kill the session */ + if (mp->retval) { - /* Server isn't interested, kill the session */ - stream_session_disconnect (s); - return; + a->app_index = mp->context; + a->handle = mp->handle; + vnet_disconnect_session (a); + } + else + { + session_parse_handle (mp->handle, &session_index, &thread_index); + s = session_get_if_valid (session_index, thread_index); + if (!s) + { + clib_warning ("session doesn't exist"); + return; + } + if (s->app_index != mp->context) + { + clib_warning ("app doesn't own session"); + return; + } + s->session_state = SESSION_STATE_READY; } - - s->session_state = SESSION_STATE_READY; } static void @@ -599,47 +620,40 @@ vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp) { vl_api_bind_sock_reply_t *rmp; vnet_bind_args_t _a, *a = &_a; - char segment_name[128]; - u32 segment_name_length; - int rv; - - STATIC_ASSERT (sizeof (u64) * SESSION_OPTIONS_N_OPTIONS <= - sizeof (mp->options), - "Out of options, fix api message definition"); - - segment_name_length = ARRAY_LEN (segment_name); - - memset (a, 0, sizeof (*a)); - - clib_memcpy (&a->tep.ip, mp->ip, - (mp->is_ip4 ? sizeof (ip4_address_t) : - sizeof (ip6_address_t))); - a->tep.is_ip4 = mp->is_ip4; - a->tep.port = mp->port; - a->tep.vrf = mp->vrf; - - a->api_client_index = mp->client_index; - a->options = mp->options; - a->segment_name = segment_name; - a->segment_name_length = segment_name_length; - a->session_cb_vft = &session_cb_vft; + int rv = 0; + clib_error_t *error; + application_t *app; - rv = vnet_bind_uri (a); + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + app = application_lookup (mp->client_index); + if (app) + { + ip46_address_t *ip46 = (ip46_address_t *) mp->ip; + memset (a, 0, sizeof (*a)); + a->sep.is_ip4 = mp->is_ip4; + a->sep.ip = *ip46; + a->sep.port = mp->port; + a->sep.fib_index = mp->vrf; + a->sep.sw_if_index = ENDPOINT_INVALID_INDEX; + a->sep.transport_proto = mp->proto; + a->app_index = app->index; + + if ((error = vnet_bind (a))) + { + rv = clib_error_get_code (error); + clib_error_report (error); + } + } +done: /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_BIND_SOCK_REPLY, ({ - rmp->retval = rv; + REPLY_MACRO2 (VL_API_BIND_SOCK_REPLY,({ if (!rv) - { - rmp->segment_name_length = 0; - rmp->segment_size = mp->options[SESSION_OPTIONS_SEGMENT_SIZE]; - if (segment_name_length) - { - memcpy(rmp->segment_name, segment_name, segment_name_length); - rmp->segment_name_length = segment_name_length; - } - rmp->server_event_queue_address = a->server_event_queue_address; - } + rmp->handle = a->handle; })); /* *INDENT-ON* */ } @@ -649,116 +663,317 @@ vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp) { vl_api_unbind_sock_reply_t *rmp; vnet_unbind_args_t _a, *a = &_a; - int rv; + application_t *app; + clib_error_t *error; + int rv = 0; - a->api_client_index = mp->client_index; - a->handle = mp->handle; + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } - rv = vnet_unbind (a); + app = application_lookup (mp->client_index); + if (app) + { + a->app_index = mp->client_index; + a->handle = mp->handle; + if ((error = vnet_unbind (a))) + { + rv = clib_error_get_code (error); + clib_error_report (error); + } + } +done: REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY); } static void vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) { + vl_api_connect_session_reply_t *rmp; vnet_connect_args_t _a, *a = &_a; + application_t *app; + clib_error_t *error = 0; + int rv = 0; - clib_memcpy (&a->tep.ip, mp->ip, - (mp->is_ip4 ? sizeof (ip4_address_t) : - sizeof (ip6_address_t))); - a->tep.is_ip4 = mp->is_ip4; - a->tep.port = mp->port; - a->tep.vrf = mp->vrf; - a->options = mp->options; - a->session_cb_vft = &session_cb_vft; - a->api_context = mp->context; - a->mp = mp; + if (session_manager_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } - vnet_connect (a); -} + app = application_lookup (mp->client_index); + if (app) + { + unix_shared_memory_queue_t *client_q; + ip46_address_t *ip46 = (ip46_address_t *) mp->ip; + + client_q = vl_api_client_index_to_input_queue (mp->client_index); + mp->client_queue_address = pointer_to_uword (client_q); + a->sep.is_ip4 = mp->is_ip4; + a->sep.ip = *ip46; + a->sep.port = mp->port; + a->sep.transport_proto = mp->proto; + a->sep.fib_index = mp->vrf; + a->sep.sw_if_index = ENDPOINT_INVALID_INDEX; + a->api_context = mp->context; + a->app_index = app->index; + a->mp = mp; + if ((error = vnet_connect (a))) + { + rv = clib_error_get_code (error); + if (rv != VNET_API_ERROR_SESSION_REDIRECT) + clib_error_report (error); + } + } + else + { + rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED; + } -static void -vl_api_disconnect_sock_t_handler (vl_api_disconnect_sock_t * mp) -{ - vnet_disconnect_args_t _a, *a = &_a; - vl_api_disconnect_sock_reply_t *rmp; - int rv; + if (rv == 0 || rv == VNET_API_ERROR_SESSION_REDIRECT) + return; - a->api_client_index = mp->client_index; - a->handle = mp->handle; - rv = vnet_disconnect (a); + /* Got some error, relay it */ - REPLY_MACRO (VL_API_DISCONNECT_SOCK_REPLY); +done: + REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY); } static void -vl_api_disconnect_sock_reply_t_handler (vl_api_disconnect_sock_reply_t * mp) +vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp) { - vnet_disconnect_args_t _a, *a = &_a; - - /* Client objected to disconnecting the session, log and continue */ - if (mp->retval) + vl_api_app_namespace_add_del_reply_t *rmp; + u8 *ns_id = 0; + clib_error_t *error = 0; + int rv = 0; + if (!session_manager_is_enabled ()) { - clib_warning ("client retval %d", mp->retval); - return; + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; } - a->api_client_index = mp->client_index; - a->handle = mp->handle; + if (mp->namespace_id_len > ARRAY_LEN (mp->namespace_id)) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto done; + } - vnet_disconnect (a); + vec_validate (ns_id, mp->namespace_id_len - 1); + clib_memcpy (ns_id, mp->namespace_id, mp->namespace_id_len); + vnet_app_namespace_add_del_args_t args = { + .ns_id = ns_id, + .secret = clib_net_to_host_u64 (mp->secret), + .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index), + .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id), + .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id), + .is_add = 1 + }; + error = vnet_app_namespace_add_del (&args); + if (error) + { + rv = clib_error_get_code (error); + clib_error_report (error); + } + vec_free (ns_id); +done: + REPLY_MACRO (VL_API_APP_NAMESPACE_ADD_DEL_REPLY); } static void -vl_api_reset_sock_reply_t_handler (vl_api_reset_sock_reply_t * mp) +vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp) { - stream_session_t *s; - u32 session_index, thread_index; + vl_api_session_rule_add_del_reply_t *rmp; + session_rule_add_del_args_t args; + session_rule_table_add_del_args_t *table_args = &args.table_args; + clib_error_t *error; + u8 fib_proto; + int rv = 0; - /* Client objected to resetting the session, log and continue */ - if (mp->retval) + memset (&args, 0, sizeof (args)); + fib_proto = mp->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; + + table_args->lcl.fp_len = mp->lcl_plen; + table_args->lcl.fp_proto = fib_proto; + table_args->rmt.fp_len = mp->rmt_plen; + table_args->rmt.fp_proto = fib_proto; + table_args->lcl_port = clib_net_to_host_u16 (mp->lcl_port); + table_args->rmt_port = clib_net_to_host_u16 (mp->rmt_port); + table_args->action_index = clib_net_to_host_u32 (mp->action_index); + table_args->is_add = mp->is_add; + mp->tag[sizeof (mp->tag) - 1] = 0; + table_args->tag = format (0, "%s", mp->tag); + args.appns_index = clib_net_to_host_u32 (mp->appns_index); + args.scope = mp->scope; + + memset (&table_args->lcl.fp_addr, 0, sizeof (table_args->lcl.fp_addr)); + memset (&table_args->rmt.fp_addr, 0, sizeof (table_args->rmt.fp_addr)); + ip_set (&table_args->lcl.fp_addr, mp->lcl_ip, mp->is_ip4); + ip_set (&table_args->rmt.fp_addr, mp->rmt_ip, mp->is_ip4); + error = vnet_session_rule_add_del (&args); + if (error) { - clib_warning ("client retval %d", mp->retval); - return; + rv = clib_error_get_code (error); + clib_error_report (error); } + vec_free (table_args->tag); + REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY); +} - if (api_parse_session_handle (mp->handle, &session_index, &thread_index)) +static void +send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local, + u8 transport_proto, u32 appns_index, u8 * tag, + unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_session_rules_details_t *rmp = 0; + session_mask_or_match_4_t *match = + (session_mask_or_match_4_t *) & rule->match; + session_mask_or_match_4_t *mask = + (session_mask_or_match_4_t *) & rule->mask; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS); + rmp->context = context; + + rmp->is_ip4 = 1; + clib_memcpy (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip)); + clib_memcpy (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip)); + rmp->lcl_plen = ip4_mask_to_preflen (&mask->lcl_ip); + rmp->rmt_plen = ip4_mask_to_preflen (&mask->rmt_ip); + rmp->lcl_port = clib_host_to_net_u16 (match->lcl_port); + rmp->rmt_port = clib_host_to_net_u16 (match->rmt_port); + rmp->action_index = clib_host_to_net_u32 (rule->action_index); + rmp->scope = + is_local ? SESSION_RULE_SCOPE_LOCAL : SESSION_RULE_SCOPE_GLOBAL; + rmp->transport_proto = transport_proto; + rmp->appns_index = clib_host_to_net_u32 (appns_index); + if (tag) { - clib_warning ("Invalid handle"); - return; + clib_memcpy (rmp->tag, tag, vec_len (tag)); + rmp->tag[vec_len (tag)] = 0; } - s = stream_session_get (session_index, thread_index); + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} - /* This comes as a response to a reset, transport only waiting for - * confirmation to remove connection state, no need to disconnect */ - stream_session_cleanup (s); +static void +send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local, + u8 transport_proto, u32 appns_index, u8 * tag, + unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_session_rules_details_t *rmp = 0; + session_mask_or_match_6_t *match = + (session_mask_or_match_6_t *) & rule->match; + session_mask_or_match_6_t *mask = + (session_mask_or_match_6_t *) & rule->mask; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS); + rmp->context = context; + + rmp->is_ip4 = 0; + clib_memcpy (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip)); + clib_memcpy (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip)); + rmp->lcl_plen = ip6_mask_to_preflen (&mask->lcl_ip); + rmp->rmt_plen = ip6_mask_to_preflen (&mask->rmt_ip); + rmp->lcl_port = clib_host_to_net_u16 (match->lcl_port); + rmp->rmt_port = clib_host_to_net_u16 (match->rmt_port); + rmp->action_index = clib_host_to_net_u32 (rule->action_index); + rmp->scope = + is_local ? SESSION_RULE_SCOPE_LOCAL : SESSION_RULE_SCOPE_GLOBAL; + rmp->transport_proto = transport_proto; + rmp->appns_index = clib_host_to_net_u32 (appns_index); + if (tag) + { + clib_memcpy (rmp->tag, tag, vec_len (tag)); + rmp->tag[vec_len (tag)] = 0; + } + + vl_msg_api_send_shmem (q, (u8 *) & rmp); } static void -vl_api_accept_sock_reply_t_handler (vl_api_accept_sock_reply_t * mp) +send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto, + u8 tp, u8 is_local, u32 appns_index, + unix_shared_memory_queue_t * q, u32 context) { - stream_session_t *s; - u32 session_index, thread_index; + mma_rule_16_t *rule16; + mma_rule_40_t *rule40; + mma_rules_table_16_t *srt16; + mma_rules_table_40_t *srt40; + u32 ri; - if (api_parse_session_handle (mp->handle, &session_index, &thread_index)) + if (is_local || fib_proto == FIB_PROTOCOL_IP4) { - clib_warning ("Invalid handle"); - return; + u8 *tag = 0; + /* *INDENT-OFF* */ + srt16 = &srt->session_rules_tables_16; + pool_foreach (rule16, srt16->rules, ({ + ri = mma_rules_table_rule_index_16 (srt16, rule16); + tag = session_rules_table_rule_tag (srt, ri, 1); + send_session_rule_details4 (rule16, is_local, tp, appns_index, tag, + q, context); + })); + /* *INDENT-ON* */ } - s = stream_session_get (session_index, thread_index); - - if (mp->retval) + if (is_local || fib_proto == FIB_PROTOCOL_IP6) { - /* Server isn't interested, kill the session */ - stream_session_disconnect (s); - return; + u8 *tag = 0; + /* *INDENT-OFF* */ + srt40 = &srt->session_rules_tables_40; + pool_foreach (rule40, srt40->rules, ({ + ri = mma_rules_table_rule_index_40 (srt40, rule40); + tag = session_rules_table_rule_tag (srt, ri, 1); + send_session_rule_details6 (rule40, is_local, tp, appns_index, tag, + q, context); + })); + /* *INDENT-ON* */ } +} + +static void +vl_api_session_rules_dump_t_handler (vl_api_one_map_server_dump_t * mp) +{ + unix_shared_memory_queue_t *q = NULL; + session_table_t *st; + u8 tp; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + /* *INDENT-OFF* */ + session_table_foreach (st, ({ + for (tp = 0; tp < TRANSPORT_N_PROTO; tp++) + { + send_session_rules_table_details (&st->session_rules[tp], + st->active_fib_proto, tp, + st->is_local, st->appns_index, q, + mp->context); + } + })); + /* *INDENT-ON* */ +} - s->session_state = SESSION_STATE_READY; +static clib_error_t * +application_reaper_cb (u32 client_index) +{ + application_t *app = application_lookup (client_index); + vnet_app_detach_args_t _a, *a = &_a; + if (app) + { + a->app_index = app->index; + vnet_application_detach (a); + } + return 0; } +VL_MSG_API_REAPER_FUNCTION (application_reaper_cb); + #define vl_msg_name_crc_list #include #undef vl_msg_name_crc_list @@ -812,6 +1027,7 @@ session_api_hookup (vlib_main_t * vm) } VLIB_API_INIT_FUNCTION (session_api_hookup); + /* * fd.io coding-style-patch-verification: ON *