diff options
author | 2019-08-05 13:43:31 +0200 | |
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committer | 2019-09-20 05:47:01 +0000 | |
commit | 1d74eceb1f9ce20fcd9b9a4f9c9a21d03b697aeb (patch) | |
tree | 574ecfc207d127cff24e1d77ee48f54d9bc3db63 /src/plugins/hs_apps/sapi/quic_echo.c | |
parent | 5ab1946466d2cf495b8f94c7cab5560a1622c1cd (diff) |
hsa: Refactor quic_echo to allow other protocols
Type: refactor
Change-Id: Iaef9091e1d057110530255e644fad1c298418966
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src/plugins/hs_apps/sapi/quic_echo.c')
-rw-r--r-- | src/plugins/hs_apps/sapi/quic_echo.c | 1916 |
1 files changed, 0 insertions, 1916 deletions
diff --git a/src/plugins/hs_apps/sapi/quic_echo.c b/src/plugins/hs_apps/sapi/quic_echo.c deleted file mode 100644 index 312b703d7e1..00000000000 --- a/src/plugins/hs_apps/sapi/quic_echo.c +++ /dev/null @@ -1,1916 +0,0 @@ -/* - * Copyright (c) 2019 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdio.h> -#include <signal.h> - -#include <vlibmemory/api.h> - -#include <vpp/api/vpe_msg_enum.h> -#include <svm/fifo_segment.h> -#include <hs_apps/sapi/quic_echo.h> -#include <hs_apps/sapi/echo_common.c> - -echo_main_t echo_main; - -/* - * - * Format functions - * - */ - -u8 * -format_quic_echo_state (u8 * s, va_list * args) -{ - u32 state = va_arg (*args, u32); - if (state == STATE_START) - return format (s, "STATE_START"); - if (state == STATE_ATTACHED) - return format (s, "STATE_ATTACHED"); - if (state == STATE_LISTEN) - return format (s, "STATE_LISTEN"); - if (state == STATE_READY) - return format (s, "STATE_READY"); - if (state == STATE_DATA_DONE) - return format (s, "STATE_DATA_DONE"); - if (state == STATE_DISCONNECTED) - return format (s, "STATE_DISCONNECTED"); - if (state == STATE_DETACHED) - return format (s, "STATE_DETACHED"); - else - return format (s, "unknown state"); -} - -static uword -unformat_close (unformat_input_t * input, va_list * args) -{ - u8 *a = va_arg (*args, u8 *); - if (unformat (input, "Y")) - *a = ECHO_CLOSE_F_ACTIVE; - else if (unformat (input, "N")) - *a = ECHO_CLOSE_F_NONE; - else if (unformat (input, "W")) - *a = ECHO_CLOSE_F_PASSIVE; - else - return 0; - return 1; -} - -static uword -echo_unformat_timing_event (unformat_input_t * input, va_list * args) -{ - u8 *a = va_arg (*args, u8 *); - if (unformat (input, "start")) - *a = ECHO_EVT_START; - else if (unformat (input, "qconnected")) - *a = ECHO_EVT_LAST_QCONNECTED; - else if (unformat (input, "qconnect")) - *a = ECHO_EVT_FIRST_QCONNECT; - else if (unformat (input, "sconnected")) - *a = ECHO_EVT_LAST_SCONNECTED; - else if (unformat (input, "sconnect")) - *a = ECHO_EVT_FIRST_SCONNECT; - else if (unformat (input, "lastbyte")) - *a = ECHO_EVT_LAST_BYTE; - else if (unformat (input, "exit")) - *a = ECHO_EVT_EXIT; - else - return 0; - return 1; -} - -u8 * -echo_format_timing_event (u8 * s, va_list * args) -{ - u32 timing_event = va_arg (*args, u32); - if (timing_event == ECHO_EVT_START) - return format (s, "start"); - if (timing_event == ECHO_EVT_FIRST_QCONNECT) - return format (s, "qconnect"); - if (timing_event == ECHO_EVT_LAST_QCONNECTED) - return format (s, "qconnected"); - if (timing_event == ECHO_EVT_FIRST_SCONNECT) - return format (s, "sconnect"); - if (timing_event == ECHO_EVT_LAST_SCONNECTED) - return format (s, "sconnected"); - if (timing_event == ECHO_EVT_LAST_BYTE) - return format (s, "lastbyte"); - if (timing_event == ECHO_EVT_EXIT) - return format (s, "exit"); - else - return format (s, "unknown timing event"); -} - -/* - * - * End of format functions - * - */ - -static void -echo_session_prealloc (echo_main_t * em) -{ - /* We need to prealloc to avoid vec resize in threads */ - echo_session_t *session; - int n_sessions = em->n_clients * (em->n_stream_clients + 1) - + em->i_am_master; - int i; - for (i = 0; i < n_sessions; i++) - { - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - session->session_index = session - em->sessions; - session->listener_index = SESSION_INVALID_INDEX; - session->session_state = QUIC_SESSION_STATE_INITIAL; - } -} - -static echo_session_t * -echo_session_new (echo_main_t * em) -{ - /* thread safe new prealloced session */ - return pool_elt_at_index (em->sessions, - clib_atomic_fetch_add (&em->nxt_available_sidx, - 1)); -} - - -static int -echo_send_rpc (echo_main_t * em, void *fp, void *arg, u32 opaque) -{ - svm_msg_q_msg_t msg; - echo_rpc_msg_t *evt; - if (PREDICT_FALSE (svm_msg_q_lock (em->rpc_msq_queue))) - { - ECHO_LOG (1, "RPC lock failed"); - return -1; - } - if (PREDICT_FALSE (svm_msg_q_ring_is_full (em->rpc_msq_queue, 0))) - { - svm_msg_q_unlock (em->rpc_msq_queue); - ECHO_LOG (1, "RPC ring is full"); - return -2; - } - msg = svm_msg_q_alloc_msg_w_ring (em->rpc_msq_queue, 0); - if (PREDICT_FALSE (svm_msg_q_msg_is_invalid (&msg))) - { - ECHO_LOG (1, "RPC msg is invalid"); - svm_msg_q_unlock (em->rpc_msq_queue); - return -2; - } - evt = (echo_rpc_msg_t *) svm_msg_q_msg_data (em->rpc_msq_queue, &msg); - evt->arg = arg; - evt->opaque = opaque; - evt->fp = fp; - - svm_msg_q_add_and_unlock (em->rpc_msq_queue, &msg); - return 0; -} - -static inline void -echo_segment_handle_add_del (echo_main_t * em, u64 segment_handle, u8 add) -{ - clib_spinlock_lock (&em->segment_handles_lock); - if (add) - hash_set (em->shared_segment_handles, segment_handle, 1); - else - hash_unset (em->shared_segment_handles, segment_handle); - clib_spinlock_unlock (&em->segment_handles_lock); -} - -static inline void -echo_session_handle_add_del (echo_main_t * em, u64 handle, u32 sid) -{ - clib_spinlock_lock (&em->sid_vpp_handles_lock); - if (sid == SESSION_INVALID_INDEX) - hash_unset (em->session_index_by_vpp_handles, handle); - else - hash_set (em->session_index_by_vpp_handles, handle, sid); - clib_spinlock_unlock (&em->sid_vpp_handles_lock); -} - -static inline echo_session_t * -echo_get_session_from_handle (echo_main_t * em, u64 handle) -{ - uword *p; - clib_spinlock_lock (&em->sid_vpp_handles_lock); - p = hash_get (em->session_index_by_vpp_handles, handle); - clib_spinlock_unlock (&em->sid_vpp_handles_lock); - if (!p) - { - ECHO_FAIL ("unknown handle 0x%lx", handle); - return 0; - } - return pool_elt_at_index (em->sessions, p[0]); -} - -/* - * - * Session API Calls - * - */ - -void -application_send_attach (echo_main_t * em) -{ - vl_api_application_attach_t *bmp; - vl_api_application_tls_cert_add_t *cert_mp; - vl_api_application_tls_key_add_t *key_mp; - - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT; - bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT; - bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16; - bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size; - bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size; - bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20; - bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20; - bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256; - if (em->appns_id) - { - bmp->namespace_id_len = vec_len (em->appns_id); - clib_memcpy_fast (bmp->namespace_id, em->appns_id, - bmp->namespace_id_len); - bmp->options[APP_OPTIONS_FLAGS] |= em->appns_flags; - bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = em->appns_secret; - } - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); - - cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len); - clib_memset (cert_mp, 0, sizeof (*cert_mp)); - cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD); - cert_mp->client_index = em->my_client_index; - cert_mp->context = ntohl (0xfeedface); - cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len); - clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp); - - key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len); - clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len); - key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD); - key_mp->client_index = em->my_client_index; - key_mp->context = ntohl (0xfeedface); - key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len); - clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp); -} - -void -application_detach (echo_main_t * em) -{ - vl_api_application_detach_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); -} - -static void -server_send_listen (echo_main_t * em) -{ - vl_api_bind_uri_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_BIND_URI); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - memcpy (bmp->uri, em->uri, vec_len (em->uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); -} - -static void -server_send_unbind (echo_main_t * em) -{ - vl_api_unbind_uri_t *ump; - - ump = vl_msg_api_alloc (sizeof (*ump)); - clib_memset (ump, 0, sizeof (*ump)); - - ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI); - ump->client_index = em->my_client_index; - memcpy (ump->uri, em->uri, vec_len (em->uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump); -} - -static void -echo_send_connect (u8 * uri, u32 opaque) -{ - echo_main_t *em = &echo_main; - vl_api_connect_uri_t *cmp; - cmp = vl_msg_api_alloc (sizeof (*cmp)); - clib_memset (cmp, 0, sizeof (*cmp)); - cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI); - cmp->client_index = em->my_client_index; - cmp->context = ntohl (opaque); - memcpy (cmp->uri, uri, vec_len (uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp); -} - -static void -echo_disconnect_session (echo_session_t * s, u32 opaque) -{ - echo_main_t *em = &echo_main; - vl_api_disconnect_session_t *dmp; - dmp = vl_msg_api_alloc (sizeof (*dmp)); - clib_memset (dmp, 0, sizeof (*dmp)); - dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION); - dmp->client_index = em->my_client_index; - dmp->handle = s->vpp_session_handle; - ECHO_LOG (1, "Disconnect session 0x%lx", dmp->handle); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp); -} - -/* - * - * End Session API Calls - * - */ - -static int -wait_for_segment_allocation (u64 segment_handle) -{ - echo_main_t *em = &echo_main; - f64 timeout; - timeout = clib_time_now (&em->clib_time) + TIMEOUT; - uword *segment_present; - ECHO_LOG (1, "Waiting for segment 0x%lx...", segment_handle); - while (clib_time_now (&em->clib_time) < timeout) - { - clib_spinlock_lock (&em->segment_handles_lock); - segment_present = hash_get (em->shared_segment_handles, segment_handle); - clib_spinlock_unlock (&em->segment_handles_lock); - if (segment_present != 0) - return 0; - if (em->time_to_stop == 1) - return 0; - } - ECHO_LOG (1, "timeout wait_for_segment_allocation (0x%lx)", segment_handle); - return -1; -} - -static void -quic_echo_notify_event (echo_main_t * em, echo_test_evt_t e) -{ - if (em->timing.events_sent & e) - return; - if (em->timing.start_event == e) - em->timing.start_time = clib_time_now (&em->clib_time); - else if (em->timing.end_event == e) - em->timing.end_time = clib_time_now (&em->clib_time); - em->timing.events_sent |= e; -} - -static void -echo_assert_test_suceeded (echo_main_t * em) -{ - CHECK (em->n_stream_clients * em->n_clients * em->bytes_to_receive, - em->stats.rx_total, "Not enough data received"); - CHECK (em->n_stream_clients * em->n_clients * em->bytes_to_send, - em->stats.tx_total, "Not enough data sent"); - clib_spinlock_lock (&em->sid_vpp_handles_lock); - CHECK (0, hash_elts (em->session_index_by_vpp_handles), - "Some sessions are still open"); - clib_spinlock_unlock (&em->sid_vpp_handles_lock); -} - -always_inline void -echo_session_dequeue_notify (echo_session_t * s) -{ - int rv; - if (!svm_fifo_set_event (s->rx_fifo)) - return; - if ((rv = - app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo->master_session_index, - SESSION_IO_EVT_RX, SVM_Q_WAIT))) - ECHO_FAIL ("app_send_io_evt_to_vpp errored %d", rv); - svm_fifo_clear_deq_ntf (s->rx_fifo); -} - -static int -ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd) -{ - fifo_segment_create_args_t _a, *a = &_a; - fifo_segment_main_t *sm = &echo_main.segment_main; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) name; - a->segment_type = type; - - if (type == SSVM_SEGMENT_MEMFD) - a->memfd_fd = fd; - - if ((rv = fifo_segment_attach (sm, a))) - return rv; - vec_reset_length (a->new_segment_indices); - return 0; -} - -static void -stop_signal (int signum) -{ - echo_main_t *em = &echo_main; - em->time_to_stop = 1; -} - -int -connect_to_vpp (char *name) -{ - echo_main_t *em = &echo_main; - api_main_t *am = &api_main; - - if (em->use_sock_api) - { - if (vl_socket_client_connect ((char *) em->socket_name, name, - 0 /* default rx, tx buffer */ )) - { - ECHO_FAIL ("socket connect failed"); - return -1; - } - - if (vl_socket_client_init_shm (0, 1 /* want_pthread */ )) - { - ECHO_FAIL ("init shm api failed"); - return -1; - } - } - else - { - if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0) - { - ECHO_FAIL ("shmem connect failed"); - return -1; - } - } - em->vl_input_queue = am->shmem_hdr->vl_input_queue; - em->my_client_index = am->my_client_index; - return 0; -} - -static void -session_print_stats (echo_main_t * em, echo_session_t * session) -{ - f64 deltat = clib_time_now (&em->clib_time) - session->start; - ECHO_LOG (0, "Session 0x%x done in %.6fs RX[%.4f] TX[%.4f] Gbit/s\n", - session->vpp_session_handle, deltat, - (session->bytes_received * 8.0) / deltat / 1e9, - (session->bytes_sent * 8.0) / deltat / 1e9); -} - -static void -echo_event_didnt_happen (u8 e) -{ - echo_main_t *em = &echo_main; - u8 *s = format (0, "%U", echo_format_timing_event, e); - ECHO_LOG (0, "Expected event %s to happend, which did not", s); - em->has_failed = 1; -} - -static void -print_global_json_stats (echo_main_t * em) -{ - if (!(em->timing.events_sent & em->timing.start_event)) - return echo_event_didnt_happen (em->timing.start_event); - if (!(em->timing.events_sent & em->timing.end_event)) - return echo_event_didnt_happen (em->timing.end_event); - f64 deltat = em->timing.end_time - em->timing.start_time; - u8 *start_evt = - format (0, "%U", echo_format_timing_event, em->timing.start_event); - u8 *end_evt = - format (0, "%U", echo_format_timing_event, em->timing.end_event); - fformat (stdout, "{\n"); - fformat (stdout, "\"time\": \"%.9f\",\n", deltat); - fformat (stdout, "\"start_evt\": \"%s\",\n", start_evt); - fformat (stdout, "\"end_evt\": \"%s\",\n", end_evt); - fformat (stdout, "\"rx_data\": %lld,\n", em->stats.rx_total); - fformat (stdout, "\"tx_rx\": %lld,\n", em->stats.tx_total); - fformat (stdout, "\"closing\": {\n"); - fformat (stdout, " \"reset\": { \"q\": %d, \"s\": %d },\n", - em->stats.reset_count.q, em->stats.reset_count.s); - fformat (stdout, " \"close\": { \"q\": %d, \"s\": %d },\n", - em->stats.close_count.q, em->stats.close_count.s); - fformat (stdout, " \"active\": { \"q\": %d, \"s\": %d },\n", - em->stats.active_count.q, em->stats.active_count.s); - fformat (stdout, " \"clean\": { \"q\": %d, \"s\": %d }\n", - em->stats.clean_count.q, em->stats.clean_count.s); - fformat (stdout, "}\n"); - fformat (stdout, "}\n"); -} - -static void -print_global_stats (echo_main_t * em) -{ - u8 *s; - if (!(em->timing.events_sent & em->timing.start_event)) - return echo_event_didnt_happen (em->timing.start_event); - if (!(em->timing.events_sent & em->timing.end_event)) - return echo_event_didnt_happen (em->timing.end_event); - f64 deltat = em->timing.end_time - em->timing.start_time; - s = format (0, "%U:%U", - echo_format_timing_event, em->timing.start_event, - echo_format_timing_event, em->timing.end_event); - fformat (stdout, "Timing %s\n", s); - fformat (stdout, "-------- TX --------\n"); - fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n", - em->stats.tx_total, em->stats.tx_total / (1ULL << 20), - em->stats.tx_total / (1ULL << 30), deltat); - fformat (stdout, "%.4f Gbit/second\n", - (em->stats.tx_total * 8.0) / deltat / 1e9); - fformat (stdout, "-------- RX --------\n"); - fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n", - em->stats.rx_total, em->stats.rx_total / (1ULL << 20), - em->stats.rx_total / (1ULL << 30), deltat); - fformat (stdout, "%.4f Gbit/second\n", - (em->stats.rx_total * 8.0) / deltat / 1e9); - fformat (stdout, "--------------------\n"); - fformat (stdout, "Received close on %dQ %dS\n", em->stats.close_count.q, - em->stats.close_count.s); - fformat (stdout, "Received reset on %dQ %dS\n", em->stats.reset_count.q, - em->stats.reset_count.s); - fformat (stdout, "Sent close on %dQ %dS\n", em->stats.active_count.q, - em->stats.active_count.s); - fformat (stdout, "Discarded %dQ %dS\n", em->stats.clean_count.q, - em->stats.clean_count.s); -} - -static void -echo_free_sessions (echo_main_t * em) -{ - /* Free marked sessions */ - echo_session_t *s; - u32 *session_indexes = 0, *session_index; - - /* *INDENT-OFF* */ - pool_foreach (s, em->sessions, - ({ - if (s->session_state == QUIC_SESSION_STATE_CLOSED) - vec_add1 (session_indexes, s->session_index);} - )); - /* *INDENT-ON* */ - vec_foreach (session_index, session_indexes) - { - /* Free session */ - s = pool_elt_at_index (em->sessions, *session_index); - echo_session_handle_add_del (em, s->vpp_session_handle, - SESSION_INVALID_INDEX); - pool_put (em->sessions, s); - clib_memset (s, 0xfe, sizeof (*s)); - } -} - -static void -echo_cleanup_session (echo_main_t * em, echo_session_t * s) -{ - echo_session_t *ls; - ASSERT (s->session_state < QUIC_SESSION_STATE_CLOSED); - if (s->session_type == QUIC_SESSION_TYPE_QUIC) - { - clib_atomic_sub_fetch (&em->n_quic_clients_connected, 1); - } - else if (s->session_type == QUIC_SESSION_TYPE_STREAM) - { - ls = pool_elt_at_index (em->sessions, s->listener_index); - ASSERT (ls->session_type == QUIC_SESSION_TYPE_QUIC); - if (!clib_atomic_sub_fetch (&ls->accepted_session_count, 1)) - { - if (em->send_quic_disconnects == ECHO_CLOSE_F_ACTIVE) - { - echo_send_rpc (em, echo_disconnect_session, (void *) ls, 0); - em->stats.active_count.q++; - } - else if (em->send_quic_disconnects == ECHO_CLOSE_F_NONE) - { - echo_cleanup_session (em, ls); - em->stats.clean_count.q++; - } - } - clib_atomic_sub_fetch (&em->n_clients_connected, 1); - } - ECHO_LOG (1, "Cleanup sessions (still %uQ %uS)", - em->n_quic_clients_connected, em->n_clients_connected); - s->session_state = QUIC_SESSION_STATE_CLOSED; -} - -static void -echo_initiate_qsession_close_no_stream (echo_main_t * em) -{ - ECHO_LOG (1, "Closing Qsessions"); - /* Close Quic session without streams */ - echo_session_t *s; - - /* *INDENT-OFF* */ - pool_foreach (s, em->sessions, - ({ - if (s->session_type == QUIC_SESSION_TYPE_QUIC) - { - ECHO_LOG (1,"ACTIVE close 0x%lx", s->vpp_session_handle); - if (em->send_quic_disconnects == ECHO_CLOSE_F_ACTIVE) - { - echo_send_rpc (em, echo_disconnect_session, (void *) s, 0); - em->stats.active_count.q++; - } - else if (em->send_quic_disconnects == ECHO_CLOSE_F_NONE) - { - echo_cleanup_session (em, s); - em->stats.clean_count.q++; - } - } - })); - /* *INDENT-ON* */ - em->state = STATE_DATA_DONE; -} - -static void -test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf, - u32 n_read) -{ - u32 i; - u8 expected; - for (i = 0; i < n_read; i++) - { - expected = (s->bytes_received + i) & 0xff; - if (rx_buf[i] == expected || em->max_test_msg > 0) - continue; - ECHO_LOG (0, "Session 0x%lx byte %lld was 0x%x expected 0x%x", - s->vpp_session_handle, s->bytes_received + i, rx_buf[i], - expected); - em->max_test_msg--; - if (em->max_test_msg == 0) - ECHO_LOG (0, "Too many errors, hiding next ones"); - if (em->test_return_packets == RETURN_PACKETS_ASSERT) - ECHO_FAIL ("test-bytes errored"); - } -} - -static int -recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf) -{ - int n_read; - n_read = app_recv_stream ((app_session_t *) s, rx_buf, vec_len (rx_buf)); - if (n_read <= 0) - return 0; - if (svm_fifo_needs_deq_ntf (s->rx_fifo, n_read)) - echo_session_dequeue_notify (s); - - if (em->test_return_packets) - test_recv_bytes (em, s, rx_buf, n_read); - - s->bytes_received += n_read; - s->bytes_to_receive -= n_read; - return n_read; -} - -static int -send_data_chunk (echo_session_t * s, u8 * tx_buf, int offset, int len) -{ - int n_sent; - int bytes_this_chunk = clib_min (s->bytes_to_send, len - offset); - if (!bytes_this_chunk) - return 0; - n_sent = app_send_stream ((app_session_t *) s, tx_buf + offset, - bytes_this_chunk, 0); - if (n_sent < 0) - return 0; - s->bytes_to_send -= n_sent; - s->bytes_sent += n_sent; - return n_sent; -} - -static int -mirror_data_chunk (echo_main_t * em, echo_session_t * s, u8 * tx_buf, u64 len) -{ - u64 n_sent = 0; - while (n_sent < len && !em->time_to_stop) - n_sent += send_data_chunk (s, tx_buf, n_sent, len); - return n_sent; -} - -static void -echo_update_count_on_session_close (echo_main_t * em, echo_session_t * s) -{ - - ECHO_LOG (1, "[%lu/%lu] -> S(%x) -> [%lu/%lu]", - s->bytes_received, s->bytes_received + s->bytes_to_receive, - s->session_index, s->bytes_sent, - s->bytes_sent + s->bytes_to_send); - clib_atomic_fetch_add (&em->stats.tx_total, s->bytes_sent); - clib_atomic_fetch_add (&em->stats.rx_total, s->bytes_received); - - if (PREDICT_FALSE (em->stats.rx_total == - em->n_clients * em->n_stream_clients * - em->bytes_to_receive)) - quic_echo_notify_event (em, ECHO_EVT_LAST_BYTE); -} - -static inline void -echo_check_closed_listener (echo_main_t * em, echo_session_t * s) -{ - echo_session_t *ls; - /* if parent has died, terminate gracefully */ - ls = pool_elt_at_index (em->sessions, s->listener_index); - if (ls->session_state < QUIC_SESSION_STATE_CLOSING) - return; - ECHO_LOG (2, "Session 0%lx died, close child 0x%lx", ls->vpp_session_handle, - s->vpp_session_handle); - clib_atomic_sub_fetch (&em->n_clients_connected, 1); - em->stats.clean_count.s++; - echo_update_count_on_session_close (em, s); - s->session_state = QUIC_SESSION_STATE_CLOSED; -} - -/* - * Rx/Tx polling thread per connection - */ -static void -echo_handle_data (echo_main_t * em, echo_session_t * s, u8 * rx_buf) -{ - int n_read, n_sent = 0; - - n_read = recv_data_chunk (em, s, rx_buf); - if (em->data_source == ECHO_TEST_DATA_SOURCE) - n_sent = send_data_chunk (s, em->connect_test_data, - s->bytes_sent % em->tx_buf_size, - em->tx_buf_size); - else if (em->data_source == ECHO_RX_DATA_SOURCE) - n_sent = mirror_data_chunk (em, s, rx_buf, n_read); - if (!s->bytes_to_send && !s->bytes_to_receive) - { - /* Session is done, need to close */ - if (s->session_state == QUIC_SESSION_STATE_AWAIT_DATA) - s->session_state = QUIC_SESSION_STATE_CLOSING; - else - { - s->session_state = QUIC_SESSION_STATE_AWAIT_CLOSING; - if (em->send_stream_disconnects == ECHO_CLOSE_F_ACTIVE) - { - echo_send_rpc (em, echo_disconnect_session, (void *) s, 0); - em->stats.close_count.s++; - } - else if (em->send_stream_disconnects == ECHO_CLOSE_F_NONE) - { - s->session_state = QUIC_SESSION_STATE_CLOSING; - em->stats.clean_count.s++; - } - } - return; - } - - /* Check for idle clients */ - if (em->log_lvl > 1) - { - if (n_sent || n_read) - s->idle_cycles = 0; - else if (s->idle_cycles++ == 1e7) - { - s->idle_cycles = 0; - ECHO_LOG (1, "Idle client TX:%dB RX:%dB", s->bytes_to_send, - s->bytes_to_receive); - ECHO_LOG (1, "Idle FIFOs TX:%dB RX:%dB", - svm_fifo_max_dequeue (s->tx_fifo), - svm_fifo_max_dequeue (s->rx_fifo)); - ECHO_LOG (1, "Session 0x%lx state %u", s->vpp_session_handle, - s->session_state); - } - } -} - -static void * -echo_data_thread_fn (void *arg) -{ - clib_mem_set_thread_index (); - echo_main_t *em = &echo_main; - u32 N = em->n_clients * em->n_stream_clients; - u32 n = (N + em->n_rx_threads - 1) / em->n_rx_threads; - u32 idx = (u64) arg; - u32 thread_n_sessions = clib_min (n, N - n * idx); - - u32 i = 0; - u32 n_closed_sessions = 0; - u32 session_index; - u8 *rx_buf = 0; - echo_session_t *s; - vec_validate (rx_buf, em->rx_buf_size); - - for (i = 0; !em->time_to_stop; i = (i + 1) % thread_n_sessions) - { - n_closed_sessions = i == 0 ? 0 : n_closed_sessions; - session_index = em->data_thread_args[n * idx + i]; - if (session_index == SESSION_INVALID_INDEX) - continue; - s = pool_elt_at_index (em->sessions, session_index); - switch (s->session_state) - { - case QUIC_SESSION_STATE_READY: - case QUIC_SESSION_STATE_AWAIT_DATA: - echo_handle_data (em, s, rx_buf); - echo_check_closed_listener (em, s); - break; - case QUIC_SESSION_STATE_AWAIT_CLOSING: - echo_check_closed_listener (em, s); - break; - case QUIC_SESSION_STATE_CLOSING: - echo_update_count_on_session_close (em, s); - echo_cleanup_session (em, s); - break; - case QUIC_SESSION_STATE_CLOSED: - n_closed_sessions++; - break; - } - if (n_closed_sessions == thread_n_sessions) - break; - } - pthread_exit (0); -} - -static void -session_bound_handler (session_bound_msg_t * mp) -{ - echo_main_t *em = &echo_main; - echo_session_t *listen_session; - if (mp->retval) - { - ECHO_FAIL ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - return; - } - ECHO_LOG (0, "listening on %U:%u", format_ip46_address, mp->lcl_ip, - mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, - clib_net_to_host_u16 (mp->lcl_port)); - - /* Allocate local session and set it up */ - listen_session = echo_session_new (em); - listen_session->session_type = QUIC_SESSION_TYPE_LISTEN; - echo_session_handle_add_del (em, mp->handle, listen_session->session_index); - em->state = STATE_LISTEN; - em->listen_session_index = listen_session->session_index; -} - -static void -session_accepted_handler (session_accepted_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - session_accepted_reply_msg_t *rmp; - svm_fifo_t *rx_fifo, *tx_fifo; - echo_main_t *em = &echo_main; - echo_session_t *session, *ls; - /* Allocate local session and set it up */ - session = echo_session_new (em); - - if (wait_for_segment_allocation (mp->segment_handle)) - { - ECHO_FAIL ("wait_for_segment_allocation errored"); - return; - } - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session->session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session->session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_session_handle = mp->handle; - session->start = clib_time_now (&em->clib_time); - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - if (!(ls = echo_get_session_from_handle (em, mp->listener_handle))) - return; - session->listener_index = ls->session_index; - - /* Add it to lookup table */ - ECHO_LOG (1, "Accepted session 0x%lx -> 0x%lx", mp->handle, - mp->listener_handle); - echo_session_handle_add_del (em, mp->handle, session->session_index); - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_ACCEPTED_REPLY); - rmp = (session_accepted_reply_msg_t *) app_evt->evt->data; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); - - if (ls->session_type == QUIC_SESSION_TYPE_LISTEN) - { - quic_echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT); - session->session_type = QUIC_SESSION_TYPE_QUIC; - session->accepted_session_count = 0; - if (em->cb_vft.quic_accepted_cb) - em->cb_vft.quic_accepted_cb (mp, session->session_index); - clib_atomic_fetch_add (&em->n_quic_clients_connected, 1); - } - else - { - session->session_type = QUIC_SESSION_TYPE_STREAM; - quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); - clib_atomic_fetch_add (&ls->accepted_session_count, 1); - if (em->i_am_master && em->cb_vft.server_stream_accepted_cb) - em->cb_vft.server_stream_accepted_cb (mp, session->session_index); - if (!em->i_am_master && em->cb_vft.client_stream_accepted_cb) - em->cb_vft.client_stream_accepted_cb (mp, session->session_index); - clib_atomic_fetch_add (&em->n_clients_connected, 1); - } - - if (em->n_clients_connected == em->n_clients * em->n_stream_clients - && em->n_clients_connected != 0) - quic_echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED); - if (em->n_quic_clients_connected == em->n_clients - && em->state < STATE_READY) - { - quic_echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED); - em->state = STATE_READY; - if (em->n_stream_clients == 0) - echo_initiate_qsession_close_no_stream (em); - } -} - -static void -session_connected_handler (session_connected_msg_t * mp) -{ - echo_main_t *em = &echo_main; - echo_session_t *session, *listen_session; - u32 listener_index = htonl (mp->context); - svm_fifo_t *rx_fifo, *tx_fifo; - - if (mp->retval) - { - ECHO_FAIL ("connection failed with code: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - return; - } - - session = echo_session_new (em); - if (wait_for_segment_allocation (mp->segment_handle)) - { - ECHO_FAIL ("wait_for_segment_allocation errored"); - return; - } - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session->session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session->session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_session_handle = mp->handle; - session->start = clib_time_now (&em->clib_time); - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - echo_session_handle_add_del (em, mp->handle, session->session_index); - - if (listener_index == SESSION_INVALID_INDEX) - { - ECHO_LOG (1, "Connected session 0x%lx -> URI", mp->handle); - session->session_type = QUIC_SESSION_TYPE_QUIC; - session->accepted_session_count = 0; - if (em->cb_vft.quic_connected_cb) - em->cb_vft.quic_connected_cb (mp, session->session_index); - clib_atomic_fetch_add (&em->n_quic_clients_connected, 1); - } - else - { - listen_session = pool_elt_at_index (em->sessions, listener_index); - session->listener_index = listener_index; - ECHO_LOG (1, "Connected session 0x%lx -> 0x%lx", mp->handle, - listen_session->vpp_session_handle); - session->session_type = QUIC_SESSION_TYPE_STREAM; - clib_atomic_fetch_add (&listen_session->accepted_session_count, 1); - if (em->i_am_master && em->cb_vft.server_stream_connected_cb) - em->cb_vft.server_stream_connected_cb (mp, session->session_index); - if (!em->i_am_master && em->cb_vft.client_stream_connected_cb) - em->cb_vft.client_stream_connected_cb (mp, session->session_index); - clib_atomic_fetch_add (&em->n_clients_connected, 1); - } - - if (em->n_clients_connected == em->n_clients * em->n_stream_clients - && em->n_clients_connected != 0) - quic_echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED); - if (em->n_quic_clients_connected == em->n_clients - && em->state < STATE_READY) - { - quic_echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED); - em->state = STATE_READY; - if (em->n_stream_clients == 0) - echo_initiate_qsession_close_no_stream (em); - } -} - -/* - * - * ECHO Callback definitions - * - */ - - -static void -echo_on_connected_connect (session_connected_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - u8 *uri = format (0, "QUIC://session/%lu", mp->handle); - u64 i; - - quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); - for (i = 0; i < em->n_stream_clients; i++) - echo_send_rpc (em, echo_send_connect, (void *) uri, session_index); - - ECHO_LOG (0, "Qsession 0x%llx connected to %U:%d", - mp->handle, format_ip46_address, &mp->lcl.ip, - mp->lcl.is_ip4, clib_net_to_host_u16 (mp->lcl.port)); -} - -static void -echo_on_connected_send (session_connected_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - echo_session_t *session; - - session = pool_elt_at_index (em->sessions, session_index); - session->bytes_to_send = em->bytes_to_send; - session->bytes_to_receive = em->bytes_to_receive; - session->session_state = QUIC_SESSION_STATE_READY; - em->data_thread_args[em->n_clients_connected] = session->session_index; -} - -static void -echo_on_connected_error (session_connected_msg_t * mp, u32 session_index) -{ - ECHO_FAIL ("Got a wrong connected on session %u [%lx]", session_index, - mp->handle); -} - -static void -echo_on_accept_recv (session_accepted_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - echo_session_t *session; - - session = pool_elt_at_index (em->sessions, session_index); - session->bytes_to_send = em->bytes_to_send; - session->bytes_to_receive = em->bytes_to_receive; - em->data_thread_args[em->n_clients_connected] = session->session_index; - session->session_state = QUIC_SESSION_STATE_READY; -} - -static void -echo_on_accept_connect (session_accepted_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - ECHO_LOG (1, "Accept on QSession 0x%lx %u", mp->handle); - u8 *uri = format (0, "QUIC://session/%lu", mp->handle); - u32 i; - - quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); - for (i = 0; i < em->n_stream_clients; i++) - echo_send_rpc (em, echo_send_connect, (void *) uri, session_index); -} - -static void -echo_on_accept_error (session_accepted_msg_t * mp, u32 session_index) -{ - ECHO_FAIL ("Got a wrong accept on session %u [%lx]", session_index, - mp->handle); -} - -static void -echo_on_accept_log_ip (session_accepted_msg_t * mp, u32 session_index) -{ - u8 *ip_str; - ip_str = format (0, "%U", format_ip46_address, &mp->rmt.ip, mp->rmt.is_ip4); - ECHO_LOG (0, "Accepted session from: %s:%d", ip_str, - clib_net_to_host_u16 (mp->rmt.port)); - -} - -static const quic_echo_cb_vft_t default_cb_vft = { - /* Qsessions */ - .quic_accepted_cb = echo_on_accept_log_ip, - .quic_connected_cb = echo_on_connected_connect, - /* client initiated streams */ - .server_stream_accepted_cb = echo_on_accept_recv, - .client_stream_connected_cb = echo_on_connected_send, - /* server initiated streams */ - .client_stream_accepted_cb = echo_on_accept_error, - .server_stream_connected_cb = echo_on_connected_error, -}; - -static const quic_echo_cb_vft_t server_stream_cb_vft = { - /* Qsessions */ - .quic_accepted_cb = echo_on_accept_connect, - .quic_connected_cb = NULL, - /* client initiated streams */ - .server_stream_accepted_cb = echo_on_accept_error, - .client_stream_connected_cb = echo_on_connected_error, - /* server initiated streams */ - .client_stream_accepted_cb = echo_on_accept_recv, - .server_stream_connected_cb = echo_on_connected_send, -}; - -static uword -echo_unformat_quic_setup_vft (unformat_input_t * input, va_list * args) -{ - echo_main_t *em = &echo_main; - if (unformat (input, "serverstream")) - em->cb_vft = server_stream_cb_vft; - else if (unformat (input, "default")) - ; - else - return 0; - return 1; -} - -/* - * - * End of ECHO callback definitions - * - */ - -static void -session_disconnected_handler (session_disconnected_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - session_disconnected_reply_msg_t *rmp; - echo_main_t *em = &echo_main; - echo_session_t *s; - int rv = 0; - ECHO_LOG (1, "passive close session 0x%lx", mp->handle); - if (!(s = echo_get_session_from_handle (em, mp->handle))) - return; - - app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_DISCONNECTED_REPLY); - rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt); - - if (s->session_type == QUIC_SESSION_TYPE_STREAM) - { - session_print_stats (em, s); - if (s->bytes_to_receive || s->bytes_to_send) - s->session_state = QUIC_SESSION_STATE_AWAIT_DATA; - else - s->session_state = QUIC_SESSION_STATE_CLOSING; - em->stats.close_count.s++; - } - else - { - echo_cleanup_session (em, s); /* We can clean Q/Lsessions right away */ - em->stats.close_count.q++; - } -} - -static void -session_reset_handler (session_reset_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - echo_main_t *em = &echo_main; - session_reset_reply_msg_t *rmp; - echo_session_t *s = 0; - int rv = 0; - - ECHO_LOG (1, "Reset session 0x%lx", mp->handle); - if (!(s = echo_get_session_from_handle (em, mp->handle))) - return; - if (s->session_type == QUIC_SESSION_TYPE_STREAM) - { - em->stats.reset_count.s++; - s->session_state = QUIC_SESSION_STATE_CLOSING; - } - else - { - em->stats.reset_count.q++; - echo_cleanup_session (em, s); /* We can clean Q/Lsessions right away */ - } - - app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_RESET_REPLY); - rmp = (session_reset_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt); -} - -static void -handle_mq_event (session_event_t * e) -{ - switch (e->event_type) - { - case SESSION_CTRL_EVT_BOUND: - session_bound_handler ((session_bound_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_ACCEPTED: - session_accepted_handler ((session_accepted_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_CONNECTED: - session_connected_handler ((session_connected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_DISCONNECTED: - session_disconnected_handler ((session_disconnected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_RESET: - session_reset_handler ((session_reset_msg_t *) e->data); - break; - case SESSION_IO_EVT_RX: - break; - default: - ECHO_LOG (0, "unhandled event %u", e->event_type); - } -} - -static int -wait_for_state_change (echo_main_t * em, connection_state_t state, - f64 timeout) -{ - f64 end_time = clib_time_now (&em->clib_time) + timeout; - while (!timeout || clib_time_now (&em->clib_time) < end_time) - { - if (em->state == state) - return 0; - if (em->time_to_stop) - return 1; - } - ECHO_LOG (1, "timeout waiting for %U", format_quic_echo_state, state); - return -1; -} - -static void -echo_process_rpcs (echo_main_t * em) -{ - echo_rpc_msg_t *rpc; - svm_msg_q_msg_t msg; - while (em->state < STATE_DATA_DONE && !em->time_to_stop) - { - if (svm_msg_q_sub (em->rpc_msq_queue, &msg, SVM_Q_TIMEDWAIT, 1)) - continue; - rpc = svm_msg_q_msg_data (em->rpc_msq_queue, &msg); - ((echo_rpc_t) rpc->fp) (rpc->arg, rpc->opaque); - svm_msg_q_free_msg (em->rpc_msq_queue, &msg); - } -} - -static void * -echo_mq_thread_fn (void *arg) -{ - clib_mem_set_thread_index (); - echo_main_t *em = &echo_main; - session_event_t *e; - svm_msg_q_msg_t msg; - int rv; - wait_for_state_change (em, STATE_ATTACHED, 0); - if (em->state < STATE_ATTACHED || !em->our_event_queue) - { - ECHO_FAIL ("Application failed to attach"); - pthread_exit (0); - } - - ECHO_LOG (1, "Waiting for data on %u clients", em->n_clients_connected); - while (1) - { - if (!(rv = svm_msg_q_sub (em->our_event_queue, - &msg, SVM_Q_TIMEDWAIT, 1))) - { - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - handle_mq_event (e); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - if (rv == ETIMEDOUT - && (em->time_to_stop || em->state == STATE_DETACHED)) - break; - if (!em->n_clients_connected && !em->n_quic_clients_connected && - em->state == STATE_READY) - { - em->state = STATE_DATA_DONE; - } - } - pthread_exit (0); -} - -static void -clients_run (echo_main_t * em) -{ - u64 i; - quic_echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT); - for (i = 0; i < em->n_clients; i++) - echo_send_connect (em->uri, SESSION_INVALID_INDEX); - wait_for_state_change (em, STATE_READY, 0); - ECHO_LOG (1, "App is ready"); - echo_process_rpcs (em); -} - -static void -server_run (echo_main_t * em) -{ - server_send_listen (em); - wait_for_state_change (em, STATE_READY, 0); - ECHO_LOG (1, "App is ready"); - echo_process_rpcs (em); - /* Cleanup */ - server_send_unbind (em); - if (wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT)) - { - ECHO_FAIL ("Timeout waiting for state disconnected"); - return; - } -} - -/* - * - * Session API handlers - * - */ - -static void -vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - int *fds = 0, i; - u32 n_fds = 0; - u64 segment_handle; - segment_handle = clib_net_to_host_u64 (mp->segment_handle); - ECHO_LOG (1, "Attached returned app %u", htons (mp->app_index)); - - if (mp->retval) - { - ECHO_FAIL ("attach failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - return; - } - - if (mp->segment_name_length == 0) - { - ECHO_FAIL ("segment_name_length zero"); - return; - } - - ASSERT (mp->app_event_queue_address); - em->our_event_queue = uword_to_pointer (mp->app_event_queue_address, - svm_msg_q_t *); - - if (mp->n_fds) - { - vec_validate (fds, mp->n_fds); - if (vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5)) - { - ECHO_FAIL ("vl_socket_client_recv_fd_msg failed"); - goto failed; - } - - if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) - if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++])) - { - ECHO_FAIL ("svm_fifo_segment_attach failed"); - goto failed; - } - - if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) - if (ssvm_segment_attach ((char *) mp->segment_name, - SSVM_SEGMENT_MEMFD, fds[n_fds++])) - { - ECHO_FAIL ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - goto failed; - } - if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) - svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]); - - vec_free (fds); - } - else - { - if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM, - -1)) - { - ECHO_FAIL ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - return; - } - } - echo_segment_handle_add_del (em, segment_handle, 1 /* add */ ); - ECHO_LOG (1, "Mapped segment 0x%lx", segment_handle); - - em->state = STATE_ATTACHED; - return; -failed: - for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++) - close (fds[i]); - vec_free (fds); -} - -static void -vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * - mp) -{ - if (mp->retval) - { - ECHO_FAIL ("detach returned with err: %d", mp->retval); - return; - } - echo_main.state = STATE_DETACHED; -} - - -static void -vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp) -{ - echo_main_t *em = &echo_main; - u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle); - echo_segment_handle_add_del (em, segment_handle, 0 /* add */ ); - ECHO_LOG (1, "Unmaped segment 0x%lx", segment_handle); -} - -static void -vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) -{ - fifo_segment_main_t *sm = &echo_main.segment_main; - fifo_segment_create_args_t _a, *a = &_a; - echo_main_t *em = &echo_main; - int *fds = 0, i; - char *seg_name = (char *) mp->segment_name; - u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle); - - if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) - { - vec_validate (fds, 1); - if (vl_socket_client_recv_fd_msg (fds, 1, 5)) - { - ECHO_FAIL ("vl_socket_client_recv_fd_msg failed"); - goto failed; - } - - if (ssvm_segment_attach (seg_name, SSVM_SEGMENT_MEMFD, fds[0])) - { - ECHO_FAIL ("svm_fifo_segment_attach ('%s')" - "failed on SSVM_SEGMENT_MEMFD", seg_name); - goto failed; - } - vec_free (fds); - } - else - { - clib_memset (a, 0, sizeof (*a)); - a->segment_name = seg_name; - a->segment_size = mp->segment_size; - /* Attach to the segment vpp created */ - if (fifo_segment_attach (sm, a)) - { - ECHO_FAIL ("svm_fifo_segment_attach ('%s') failed", seg_name); - goto failed; - } - } - echo_segment_handle_add_del (em, segment_handle, 1 /* add */ ); - ECHO_LOG (1, "Mapped segment 0x%lx", segment_handle); - return; - -failed: - for (i = 0; i < vec_len (fds); i++) - close (fds[i]); - vec_free (fds); -} - -static void -vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp) -{ - echo_main_t *em = &echo_main; - if (mp->retval) - { - ECHO_FAIL ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - return; - } - - em->state = STATE_LISTEN; -} - -static void -vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp) -{ - echo_session_t *listen_session; - echo_main_t *em = &echo_main; - if (mp->retval != 0) - { - ECHO_FAIL ("returned %d", ntohl (mp->retval)); - return; - } - em->state = STATE_DISCONNECTED; - listen_session = pool_elt_at_index (em->sessions, em->listen_session_index); - echo_cleanup_session (em, listen_session); -} - -static void -vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - echo_session_t *s; - - if (mp->retval) - { - ECHO_FAIL ("vpp complained about disconnect: %d", ntohl (mp->retval)); - return; - } - - ECHO_LOG (1, "Got disonnected reply for session 0x%lx", mp->handle); - if (!(s = echo_get_session_from_handle (em, mp->handle))) - return; - if (s->session_type == QUIC_SESSION_TYPE_STREAM) - s->session_state = QUIC_SESSION_STATE_CLOSING; - else - echo_cleanup_session (em, s); /* We can clean Q/Lsessions right away */ -} - -static void - vl_api_application_tls_cert_add_reply_t_handler - (vl_api_application_tls_cert_add_reply_t * mp) -{ - if (mp->retval) - ECHO_FAIL ("failed to add tls cert"); -} - -static void - vl_api_application_tls_key_add_reply_t_handler - (vl_api_application_tls_key_add_reply_t * mp) -{ - if (mp->retval) - ECHO_FAIL ("failed to add tls key"); -} - -static void -vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp) -{ - echo_session_t *session; - echo_main_t *em = &echo_main; - u8 *uri; - if (!mp->retval) - return; - /* retry connect */ - if (mp->context == SESSION_INVALID_INDEX) - { - ECHO_LOG (1, "Retrying connect %s", em->uri); - echo_send_rpc (em, echo_send_connect, (void *) em->uri, - SESSION_INVALID_INDEX); - } - else - { - session = pool_elt_at_index (em->sessions, mp->context); - uri = format (0, "QUIC://session/%lu", session->vpp_session_handle); - ECHO_LOG (1, "Retrying connect %s", uri); - echo_send_rpc (em, echo_send_connect, (void *) uri, mp->context); - } - -} - -#define foreach_quic_echo_msg \ -_(BIND_URI_REPLY, bind_uri_reply) \ -_(UNBIND_URI_REPLY, unbind_uri_reply) \ -_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ -_(APPLICATION_ATTACH_REPLY, application_attach_reply) \ -_(APPLICATION_DETACH_REPLY, application_detach_reply) \ -_(MAP_ANOTHER_SEGMENT, map_another_segment) \ -_(UNMAP_SEGMENT, unmap_segment) \ -_(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \ -_(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \ -_(CONNECT_URI_REPLY, connect_uri_reply) \ - -void -quic_echo_api_hookup (echo_main_t * em) -{ -#define _(N,n) \ - vl_msg_api_set_handlers(VL_API_##N, #n, \ - vl_api_##n##_t_handler, \ - vl_noop_handler, \ - vl_api_##n##_t_endian, \ - vl_api_##n##_t_print, \ - sizeof(vl_api_##n##_t), 1); - foreach_quic_echo_msg; -#undef _ -} - -/* - * - * End Session API handlers - * - */ - -static void -print_usage_and_exit (void) -{ - fprintf (stderr, - "Usage: quic_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n" - "Generates traffic and assert correct teardown of the QUIC hoststack\n" - "\n" - " socket-name PATH Specify the binary socket path to connect to VPP\n" - " use-svm-api Use SVM API to connect to VPP\n" - " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n" - " fifo-size N Use N Kb fifos\n" - " rx-buf N Use N Kb RX buffer\n" - " tx-buf N Use N Kb TX test buffer\n" - " appns NAMESPACE Use the namespace NAMESPACE\n" - " all-scope all-scope option\n" - " local-scope local-scope option\n" - " global-scope global-scope option\n" - " secret SECRET set namespace secret\n" - " chroot prefix PATH Use PATH as memory root path\n" - " quic-setup OPT OPT=serverstream : Client open N connections. \n" - " On each one server opens M streams\n" - " OPT=default : Client open N connections.\n" - " On each one client opens M streams\n" - " sclose=[Y|N|W] When a stream is done, pass[N] send[Y] or wait[W] for close\n" - " qclose=[Y|N|W] When a connection is done pass[N] send[Y] or wait[W] for close\n" - "\n" - " time START:END Time between evts START & END, events being :\n" - " start - Start of the app\n" - " qconnect - first Connection connect sent\n" - " qconnected - last Connection connected\n" - " sconnect - first Stream connect sent\n" - " sconnected - last Stream got connected\n" - " lastbyte - Last expected byte received\n" - " exit - Exiting of the app\n" - " json Output global stats in json\n" - " log=N Set the log level to [0: no output, 1:errors, 2:log]\n" - " max-connects=N Don't do more than N parallel connect_uri\n" - "\n" - " nclients N[/M] Open N QUIC connections, each one with M streams (M defaults to 1)\n" - " nthreads N Use N busy loop threads for data [in addition to main & msg queue]\n" - " TX=1337[Kb|Mb|GB] Send 1337 [K|M|G]bytes, use TX=RX to reflect the data\n" - " RX=1337[Kb|Mb|GB] Expect 1337 [K|M|G]bytes\n" - "\n" - "Default configuration is :\n" - " server nclients 1/1 RX=64Kb TX=RX\n" - " client nclients 1/1 RX=64Kb TX=64Kb\n"); - exit (1); -} - - -void -quic_echo_process_opts (int argc, char **argv) -{ - echo_main_t *em = &echo_main; - unformat_input_t _argv, *a = &_argv; - u32 tmp; - u8 *chroot_prefix; - u8 *uri = 0; - u8 default_f_active; - - unformat_init_command_line (a, argv); - while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT) - { - if (unformat (a, "chroot prefix %s", &chroot_prefix)) - { - vl_set_memory_root_path ((char *) chroot_prefix); - } - else if (unformat (a, "uri %s", &uri)) - em->uri = format (0, "%s%c", uri, 0); - else if (unformat (a, "server")) - em->i_am_master = 1; - else if (unformat (a, "client")) - em->i_am_master = 0; - else if (unformat (a, "test-bytes:assert")) - em->test_return_packets = RETURN_PACKETS_ASSERT; - else if (unformat (a, "test-bytes")) - em->test_return_packets = RETURN_PACKETS_LOG_WRONG; - else if (unformat (a, "socket-name %s", &em->socket_name)) - ; - else if (unformat (a, "use-svm-api")) - em->use_sock_api = 0; - else if (unformat (a, "fifo-size %d", &tmp)) - em->fifo_size = tmp << 10; - else if (unformat (a, "rx-buf %d", &tmp)) - em->rx_buf_size = tmp << 10; - else if (unformat (a, "tx-buf %d", &tmp)) - em->rx_buf_size = tmp << 10; - else - if (unformat - (a, "nclients %d/%d", &em->n_clients, &em->n_stream_clients)) - ; - else if (unformat (a, "nclients %d", &em->n_clients)) - ; - else if (unformat (a, "nthreads %d", &em->n_rx_threads)) - ; - else if (unformat (a, "appns %_%v%_", &em->appns_id)) - ; - else if (unformat (a, "all-scope")) - em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE - | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE); - else if (unformat (a, "local-scope")) - em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; - else if (unformat (a, "global-scope")) - em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; - else if (unformat (a, "secret %lu", &em->appns_secret)) - ; - else if (unformat (a, "quic-setup %U", echo_unformat_quic_setup_vft)) - ; - else if (unformat (a, "TX=RX")) - em->data_source = ECHO_RX_DATA_SOURCE; - else if (unformat (a, "TX=%U", unformat_data, &em->bytes_to_send)) - ; - else if (unformat (a, "RX=%U", unformat_data, &em->bytes_to_receive)) - ; - else if (unformat (a, "json")) - em->output_json = 1; - else if (unformat (a, "log=%d", &em->log_lvl)) - ; - else - if (unformat - (a, "sclose=%U", unformat_close, &em->send_stream_disconnects)) - ; - else - if (unformat - (a, "qclose=%U", unformat_close, &em->send_quic_disconnects)) - ; - else if (unformat (a, "time %U:%U", - echo_unformat_timing_event, &em->timing.start_event, - echo_unformat_timing_event, &em->timing.end_event)) - ; - else - print_usage_and_exit (); - } - - /* setting default for unset values - * - * bytes_to_send / bytes_to_receive & data_source */ - if (em->bytes_to_receive == (u64) ~ 0) - em->bytes_to_receive = 64 << 10; /* default */ - if (em->bytes_to_send == (u64) ~ 0) - em->bytes_to_send = 64 << 10; /* default */ - else if (em->bytes_to_send == 0) - em->data_source = ECHO_NO_DATA_SOURCE; - else - em->data_source = ECHO_TEST_DATA_SOURCE; - - if (em->data_source == ECHO_INVALID_DATA_SOURCE) - em->data_source = - em->i_am_master ? ECHO_RX_DATA_SOURCE : ECHO_TEST_DATA_SOURCE; - if (em->data_source == ECHO_RX_DATA_SOURCE) - em->bytes_to_send = em->bytes_to_receive; - - /* disconnect flags */ - if (em->i_am_master) - default_f_active = - em->bytes_to_send == 0 ? ECHO_CLOSE_F_ACTIVE : ECHO_CLOSE_F_PASSIVE; - else - default_f_active = - em->bytes_to_receive == 0 ? ECHO_CLOSE_F_PASSIVE : ECHO_CLOSE_F_ACTIVE; - if (em->send_stream_disconnects == ECHO_CLOSE_F_INVALID) - em->send_stream_disconnects = default_f_active; - if (em->send_quic_disconnects == ECHO_CLOSE_F_INVALID) - em->send_quic_disconnects = default_f_active; -} - -int -main (int argc, char **argv) -{ - echo_main_t *em = &echo_main; - fifo_segment_main_t *sm = &em->segment_main; - char *app_name; - u64 n_clients, i; - svm_msg_q_cfg_t _cfg, *cfg = &_cfg; - u32 rpc_queue_size = 64 << 10; - - clib_mem_init_thread_safe (0, 256 << 20); - clib_memset (em, 0, sizeof (*em)); - em->session_index_by_vpp_handles = hash_create (0, sizeof (uword)); - clib_spinlock_init (&em->sid_vpp_handles_lock); - em->shared_segment_handles = hash_create (0, sizeof (uword)); - clib_spinlock_init (&em->segment_handles_lock); - em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0); - em->use_sock_api = 1; - em->fifo_size = 64 << 10; - em->n_clients = 1; - em->n_stream_clients = 1; - em->max_test_msg = 50; - em->time_to_stop = 0; - em->i_am_master = 1; - em->n_rx_threads = 4; - em->test_return_packets = RETURN_PACKETS_NOTEST; - em->timing.start_event = ECHO_EVT_FIRST_QCONNECT; - em->timing.end_event = ECHO_EVT_LAST_BYTE; - em->bytes_to_receive = ~0; /* defaulted when we know if server/client */ - em->bytes_to_send = ~0; /* defaulted when we know if server/client */ - em->rx_buf_size = 1 << 20; - em->tx_buf_size = 1 << 20; - em->data_source = ECHO_INVALID_DATA_SOURCE; - em->uri = format (0, "%s%c", "quic://0.0.0.0/1234", 0); - em->cb_vft = default_cb_vft; - quic_echo_process_opts (argc, argv); - - n_clients = em->n_clients * em->n_stream_clients; - vec_validate (em->data_thread_handles, em->n_rx_threads - 1); - vec_validate (em->data_thread_args, n_clients - 1); - for (i = 0; i < n_clients; i++) - em->data_thread_args[i] = SESSION_INVALID_INDEX; - clib_time_init (&em->clib_time); - init_error_string_table (); - fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20); - vec_validate (em->connect_test_data, em->tx_buf_size); - for (i = 0; i < em->tx_buf_size; i++) - em->connect_test_data[i] = i & 0xff; - - /* *INDENT-OFF* */ - svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = { - {rpc_queue_size, sizeof (echo_rpc_msg_t), 0}, - }; - /* *INDENT-ON* */ - cfg->consumer_pid = getpid (); - cfg->n_rings = 1; - cfg->q_nitems = rpc_queue_size; - cfg->ring_cfgs = rc; - em->rpc_msq_queue = svm_msg_q_alloc (cfg); - - signal (SIGINT, stop_signal); - signal (SIGQUIT, stop_signal); - signal (SIGTERM, stop_signal); - quic_echo_api_hookup (em); - - app_name = em->i_am_master ? "quic_echo_server" : "quic_echo_client"; - if (connect_to_vpp (app_name) < 0) - { - svm_region_exit (); - ECHO_FAIL ("Couldn't connect to vpe, exiting...\n"); - exit (1); - } - - echo_session_prealloc (em); - quic_echo_notify_event (em, ECHO_EVT_START); - - application_send_attach (em); - if (wait_for_state_change (em, STATE_ATTACHED, TIMEOUT)) - { - ECHO_FAIL ("Couldn't attach to vpp, did you run <session enable> ?\n"); - exit (1); - } - if (pthread_create (&em->mq_thread_handle, - NULL /*attr */ , echo_mq_thread_fn, 0)) - { - ECHO_FAIL ("pthread create errored\n"); - exit (1); - } - for (i = 0; i < em->n_rx_threads; i++) - if (pthread_create (&em->data_thread_handles[i], - NULL /*attr */ , echo_data_thread_fn, (void *) i)) - { - ECHO_FAIL ("pthread create errored\n"); - exit (1); - } - if (em->i_am_master) - server_run (em); - else - clients_run (em); - quic_echo_notify_event (em, ECHO_EVT_EXIT); - if (em->output_json) - print_global_json_stats (em); - else - print_global_stats (em); - echo_free_sessions (em); - echo_assert_test_suceeded (em); - application_detach (em); - if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT)) - { - ECHO_FAIL ("ECHO-ERROR: Couldn't detach from vpp, exiting...\n"); - exit (1); - } - int *rv; - pthread_join (em->mq_thread_handle, (void **) &rv); - if (rv) - { - ECHO_FAIL ("mq pthread errored %d", rv); - exit (1); - } - if (em->use_sock_api) - vl_socket_client_disconnect (); - else - vl_client_disconnect_from_vlib (); - ECHO_LOG (0, "Test complete !\n"); - exit (em->has_failed); -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |