diff options
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/hs_apps/CMakeLists.txt | 8 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/echo_common.c | 158 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/quic_echo.c | 1916 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/quic_echo.h | 246 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/vpp_echo.c | 1049 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/vpp_echo_bapi.c | 439 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/vpp_echo_common.c | 562 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/vpp_echo_common.h | 321 | ||||
| -rw-r--r-- | src/plugins/hs_apps/sapi/vpp_echo_proto_quic.c | 507 |
9 files changed, 2884 insertions, 2322 deletions
diff --git a/src/plugins/hs_apps/CMakeLists.txt b/src/plugins/hs_apps/CMakeLists.txt index bf1f49cfa42..2334cb5b952 100644 --- a/src/plugins/hs_apps/CMakeLists.txt +++ b/src/plugins/hs_apps/CMakeLists.txt @@ -34,8 +34,12 @@ if(VPP_BUILD_HS_SAPI_APPS) DEPENDS api_headers NO_INSTALL ) - add_vpp_executable(quic_echo - SOURCES sapi/quic_echo.c + add_vpp_executable(vpp_echo + SOURCES + sapi/vpp_echo.c + sapi/vpp_echo_common.c + sapi/vpp_echo_bapi.c + sapi/vpp_echo_proto_quic.c LINK_LIBRARIES vlibmemoryclient svm vppinfra pthread m rt DEPENDS api_headers NO_INSTALL diff --git a/src/plugins/hs_apps/sapi/echo_common.c b/src/plugins/hs_apps/sapi/echo_common.c deleted file mode 100644 index a5c28145ba8..00000000000 --- a/src/plugins/hs_apps/sapi/echo_common.c +++ /dev/null @@ -1,158 +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 <vnet/session/application_interface.h> - -typedef struct -{ - /* VNET_API_ERROR_FOO -> "Foo" hash table */ - uword *error_string_by_error_number; -} echo_common_main_t; - -echo_common_main_t echo_common_main; - -u8 * -format_ip4_address (u8 * s, va_list * args) -{ - u8 *a = va_arg (*args, u8 *); - return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); -} - -u8 * -format_ip6_address (u8 * s, va_list * args) -{ - ip6_address_t *a = va_arg (*args, ip6_address_t *); - u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon; - - i_max_n_zero = ARRAY_LEN (a->as_u16); - max_n_zeros = 0; - i_first_zero = i_max_n_zero; - n_zeros = 0; - for (i = 0; i < ARRAY_LEN (a->as_u16); i++) - { - u32 is_zero = a->as_u16[i] == 0; - if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16)) - { - i_first_zero = i; - n_zeros = 0; - } - n_zeros += is_zero; - if ((!is_zero && n_zeros > max_n_zeros) - || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros)) - { - i_max_n_zero = i_first_zero; - max_n_zeros = n_zeros; - i_first_zero = ARRAY_LEN (a->as_u16); - n_zeros = 0; - } - } - - last_double_colon = 0; - for (i = 0; i < ARRAY_LEN (a->as_u16); i++) - { - if (i == i_max_n_zero && max_n_zeros > 1) - { - s = format (s, "::"); - i += max_n_zeros - 1; - last_double_colon = 1; - } - else - { - s = format (s, "%s%x", - (last_double_colon || i == 0) ? "" : ":", - clib_net_to_host_u16 (a->as_u16[i])); - last_double_colon = 0; - } - } - - return s; -} - -/* Format an IP46 address. */ -u8 * -format_ip46_address (u8 * s, va_list * args) -{ - ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); - ip46_type_t type = va_arg (*args, ip46_type_t); - int is_ip4 = 1; - - switch (type) - { - case IP46_TYPE_ANY: - is_ip4 = ip46_address_is_ip4 (ip46); - break; - case IP46_TYPE_IP4: - is_ip4 = 1; - break; - case IP46_TYPE_IP6: - is_ip4 = 0; - break; - } - - return is_ip4 ? - format (s, "%U", format_ip4_address, &ip46->ip4) : - format (s, "%U", format_ip6_address, &ip46->ip6); -} - -static uword -unformat_data (unformat_input_t * input, va_list * args) -{ - u64 _a; - u64 *a = va_arg (*args, u64 *); - if (unformat (input, "%lluGb", &_a)) - *a = _a << 30; - else if (unformat (input, "%lluMb", &_a)) - *a = _a << 20; - else if (unformat (input, "%lluKb", &_a)) - *a = _a << 10; - else if (unformat (input, "%llu", a)) - ; - else - return 0; - return 1; -} - -static u8 * -format_api_error (u8 * s, va_list * args) -{ - echo_common_main_t *ecm = &echo_common_main; - i32 error = va_arg (*args, u32); - uword *p; - - p = hash_get (ecm->error_string_by_error_number, -error); - - if (p) - s = format (s, "%s", p[0]); - else - s = format (s, "%d", error); - return s; -} - -static void -init_error_string_table () -{ - echo_common_main_t *ecm = &echo_common_main; - ecm->error_string_by_error_number = hash_create (0, sizeof (uword)); - -#define _(n,v,s) hash_set (ecm->error_string_by_error_number, -v, s); - foreach_vnet_api_error; -#undef _ - - hash_set (ecm->error_string_by_error_number, 99, "Misc"); -} - 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: - */ diff --git a/src/plugins/hs_apps/sapi/quic_echo.h b/src/plugins/hs_apps/sapi/quic_echo.h deleted file mode 100644 index aec56d077f0..00000000000 --- a/src/plugins/hs_apps/sapi/quic_echo.h +++ /dev/null @@ -1,246 +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 <vnet/session/application_interface.h> - -#define vl_typedefs /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_typedefs - -/* declare message handlers for each api */ - -#define vl_endianfun /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_endianfun - -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) -#define vl_printfun -#include <vpp/api/vpe_all_api_h.h> -#undef vl_printfun - -#define NITER 4000000 -#define TIMEOUT 10.0 - -#define CHECK(expected, result, _fmt, _args...) \ - if (expected != result) \ - ECHO_FAIL ("expected %d, got %d : " _fmt, expected, result, ##_args); - -#define ECHO_FAIL(_fmt,_args...) \ - { \ - echo_main_t *em = &echo_main; \ - em->has_failed = 1; \ - em->time_to_stop = 1; \ - if (em->log_lvl > 0) \ - clib_warning ("ECHO-ERROR: "_fmt, ##_args); \ - } - -#define ECHO_LOG(lvl, _fmt,_args...) \ - { \ - echo_main_t *em = &echo_main; \ - if (em->log_lvl > lvl) \ - clib_warning (_fmt, ##_args); \ - } - -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); -#define _(type, name) type name; - foreach_app_session_field -#undef _ - u64 vpp_session_handle; - u64 bytes_sent; - u64 bytes_to_send; - volatile u64 bytes_received; - volatile u64 bytes_to_receive; - f64 start; - u32 listener_index; /* listener index in echo session pool */ - u32 idle_cycles; /* consecutive enq/deq with no data */ - volatile u64 accepted_session_count; /* sessions we accepted */ -} echo_session_t; - -typedef enum -{ - ECHO_NO_DATA_SOURCE, - ECHO_TEST_DATA_SOURCE, - ECHO_RX_DATA_SOURCE, - ECHO_INVALID_DATA_SOURCE -} data_source_t; - -enum echo_close_f_t -{ - ECHO_CLOSE_F_INVALID = 0, - ECHO_CLOSE_F_PASSIVE, /* wait for close msg */ - ECHO_CLOSE_F_ACTIVE, /* send close msg */ - ECHO_CLOSE_F_NONE, /* don't bother sending close msg */ -}; - -enum quic_session_type_t -{ - QUIC_SESSION_TYPE_QUIC, - QUIC_SESSION_TYPE_STREAM, - QUIC_SESSION_TYPE_LISTEN, -}; - -enum quic_session_state_t -{ - QUIC_SESSION_STATE_INITIAL, - QUIC_SESSION_STATE_READY, - QUIC_SESSION_STATE_AWAIT_CLOSING, /* Data transfer is done, wait for close evt */ - QUIC_SESSION_STATE_AWAIT_DATA, /* Peer closed, wait for outstanding data */ - QUIC_SESSION_STATE_CLOSING, /* told vpp to close */ - QUIC_SESSION_STATE_CLOSED, /* closed in vpp */ -}; - -typedef enum -{ - STATE_START, - STATE_ATTACHED, - STATE_LISTEN, - STATE_READY, - STATE_DATA_DONE, - STATE_DISCONNECTED, - STATE_DETACHED -} connection_state_t; - -typedef enum echo_test_evt_ -{ - ECHO_EVT_START = 1, /* app starts */ - ECHO_EVT_FIRST_QCONNECT = (1 << 1), /* First connect Quic session sent */ - ECHO_EVT_LAST_QCONNECTED = (1 << 2), /* All Quic session are connected */ - ECHO_EVT_FIRST_SCONNECT = (1 << 3), /* First connect Stream session sent */ - ECHO_EVT_LAST_SCONNECTED = (1 << 4), /* All Stream session are connected */ - ECHO_EVT_LAST_BYTE = (1 << 5), /* Last byte received */ - ECHO_EVT_EXIT = (1 << 6), /* app exits */ -} echo_test_evt_t; - -typedef struct _quic_echo_cb_vft -{ - void (*quic_connected_cb) (session_connected_msg_t * mp, u32 session_index); - void (*client_stream_connected_cb) (session_connected_msg_t * mp, - u32 session_index); - void (*server_stream_connected_cb) (session_connected_msg_t * mp, - u32 session_index); - void (*quic_accepted_cb) (session_accepted_msg_t * mp, u32 session_index); - void (*client_stream_accepted_cb) (session_accepted_msg_t * mp, - u32 session_index); - void (*server_stream_accepted_cb) (session_accepted_msg_t * mp, - u32 session_index); -} quic_echo_cb_vft_t; - - -typedef enum -{ - RETURN_PACKETS_NOTEST, - RETURN_PACKETS_LOG_WRONG, - RETURN_PACKETS_ASSERT, -} test_return_packets_t; - -typedef struct teardown_stat_ -{ - u32 q; /* quic sessions */ - u32 s; /* stream sessions */ -} teardown_stat_t; - -typedef struct -{ - svm_queue_t *vl_input_queue; /* vpe input queue */ - u32 my_client_index; /* API client handle */ - u8 *uri; /* The URI we're playing with */ - echo_session_t *sessions; /* Session pool */ - svm_msg_q_t *our_event_queue; /* Our event queue */ - clib_time_t clib_time; /* For deadman timers */ - u8 *socket_name; - int i_am_master; - u32 listen_session_index; /* Index of vpp listener session */ - - uword *session_index_by_vpp_handles; /* Hash table : quic_echo s_id -> vpp s_handle */ - clib_spinlock_t sid_vpp_handles_lock; /* Hash table lock */ - - uword *shared_segment_handles; /* Hash table : segment_names -> 1*/ - clib_spinlock_t segment_handles_lock; /* Hash table lock */ - quic_echo_cb_vft_t cb_vft; /* cb vft for QUIC scenarios */ - svm_msg_q_t *rpc_msq_queue; /* MQ between quic_echo threads */ - fifo_segment_main_t segment_main; - - /* State of the connection, shared between msg RX thread and main thread */ - volatile connection_state_t state; - volatile u8 time_to_stop; /* Signal variables */ - u8 has_failed; /* stores the exit code */ - - /** Flag that decides if socket, instead of svm, api is used to connect to - * vpp. If sock api is used, shm binary api is subsequently bootstrapped - * and all other messages are exchanged using shm IPC. */ - u8 use_sock_api; - - u8 *connect_test_data; - u8 test_return_packets; - u64 bytes_to_send; /* target per stream */ - u64 bytes_to_receive; /* target per stream */ - u32 fifo_size; - u32 rx_buf_size; - u32 tx_buf_size; - data_source_t data_source; /* Use no/dummy/mirrored data */ - u8 send_quic_disconnects; /* actively send disconnect */ - u8 send_stream_disconnects; /* actively send disconnect */ - u8 output_json; /* Output stats as JSON */ - u8 log_lvl; /* Verbosity of the logging */ - int max_test_msg; /* Limit the number of incorrect data messages */ - - u8 *appns_id; - u64 appns_flags; - u64 appns_secret; - - pthread_t *data_thread_handles; /* vec of data thread handles */ - pthread_t mq_thread_handle; /* Message queue thread handle */ - u32 *data_thread_args; - - u32 n_clients; /* Target number of QUIC sessions */ - u32 n_stream_clients; /* Target Number of STREAM sessions per QUIC session */ - volatile u32 n_quic_clients_connected; /* Number of connected QUIC sessions */ - volatile u32 n_clients_connected; /* Number of STREAM sessions connected */ - u32 n_rx_threads; /* Number of data threads */ - volatile u32 nxt_available_sidx; /* next unused prealloced session_index */ - - struct { - u64 tx_total; - u64 rx_total; - teardown_stat_t reset_count; /* received reset from vpp */ - teardown_stat_t close_count; /* received close from vpp */ - teardown_stat_t active_count; /* sent close to vpp */ - teardown_stat_t clean_count; /* cleaned up stale session */ - } stats; - - struct /* Event based timing : start & end depend on CLI specified events */ - { - f64 start_time; - f64 end_time; - u8 events_sent; - u8 start_event; - u8 end_event; - } timing; -} echo_main_t; - -typedef void (*echo_rpc_t) (void *arg, u32 opaque); - -typedef struct -{ - void *fp; - void *arg; - u32 opaque; -} echo_rpc_msg_t; diff --git a/src/plugins/hs_apps/sapi/vpp_echo.c b/src/plugins/hs_apps/sapi/vpp_echo.c new file mode 100644 index 00000000000..5c9690f299f --- /dev/null +++ b/src/plugins/hs_apps/sapi/vpp_echo.c @@ -0,0 +1,1049 @@ +/* + * 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 <svm/fifo_segment.h> + +#include <hs_apps/sapi/vpp_echo_common.h> + +echo_main_t echo_main; + +static void +echo_session_prealloc (echo_main_t * em) +{ + /* We need to prealloc to avoid vec resize in threads */ + echo_session_t *session; + int i; + for (i = 0; i < em->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 = ECHO_SESSION_STATE_INITIAL; + } +} + +static void +echo_assert_test_suceeded (echo_main_t * em) +{ + CHECK (em->n_clients * em->bytes_to_receive, + em->stats.rx_total, "Not enough data received"); + CHECK (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 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 +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 %d streams (and %d Quic conn)\n", + em->stats.close_count.s, em->stats.close_count.q); + fformat (stdout, "Received reset on %d streams (and %d Quic conn)\n", + em->stats.reset_count.s, em->stats.reset_count.q); + fformat (stdout, "Sent close on %d streams (and %d Quic conn)\n", + em->stats.active_count.s, em->stats.active_count.q); + fformat (stdout, "Discarded %d streams (and %d Quic conn)\n", + em->stats.clean_count.s, em->stats.clean_count.q); +} + +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->bytes_to_receive)) + echo_notify_event (em, ECHO_EVT_LAST_BYTE); +} + +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 == ECHO_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 +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 ((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 ((app_session_t *) s, tx_buf + offset, + bytes_this_chunk, SVM_Q_WAIT); + 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 inline void +echo_check_closed_listener (echo_main_t * em, echo_session_t * s) +{ + echo_session_t *ls; + /* if parent has died, terminate gracefully */ + if (s->listener_index == SESSION_INVALID_INDEX) + return; + ls = pool_elt_at_index (em->sessions, s->listener_index); + if (ls->session_state < ECHO_SESSION_STATE_CLOSING) + return; + ECHO_LOG (2, "Session 0%lx died, close child 0x%lx", ls->vpp_session_handle, + s->vpp_session_handle); + echo_update_count_on_session_close (em, s); + em->proto_cb_vft->cleanup_cb (s, 1 /* parent_died */ ); +} + +/* + * 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 == ECHO_SESSION_STATE_AWAIT_DATA) + s->session_state = ECHO_SESSION_STATE_CLOSING; + else + { + s->session_state = ECHO_SESSION_STATE_AWAIT_CLOSING; + if (em->send_stream_disconnects == ECHO_CLOSE_F_ACTIVE) + { + echo_send_rpc (em, echo_send_disconnect_session, + (void *) s->vpp_session_handle, 0); + clib_atomic_fetch_add (&em->stats.active_count.s, 1); + } + else if (em->send_stream_disconnects == ECHO_CLOSE_F_NONE) + { + s->session_state = ECHO_SESSION_STATE_CLOSING; + clib_atomic_fetch_add (&em->stats.clean_count.s, 1); + } + } + 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; + u32 n = (N + em->n_rx_threads - 1) / em->n_rx_threads; + u32 idx = (u64) arg; + if (n * idx >= N) + { + ECHO_LOG (1, "Thread %u exiting, no sessions to care for", idx); + pthread_exit (0); + } + 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 ECHO_SESSION_STATE_READY: + case ECHO_SESSION_STATE_AWAIT_DATA: + echo_handle_data (em, s, rx_buf); + echo_check_closed_listener (em, s); + break; + case ECHO_SESSION_STATE_AWAIT_CLOSING: + echo_check_closed_listener (em, s); + break; + case ECHO_SESSION_STATE_CLOSING: + echo_update_count_on_session_close (em, s); + em->proto_cb_vft->cleanup_cb (s, 0 /* parent_died */ ); + break; + case ECHO_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 = ECHO_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; + if (em->proto_cb_vft->bound_uri_cb) + em->proto_cb_vft->bound_uri_cb (mp, listen_session); +} + +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->transport needed by app_send_dgram */ + clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip, + sizeof (ip46_address_t)); + session->transport.is_ip4 = mp->rmt.is_ip4; + session->transport.rmt_port = mp->rmt.port; + clib_memcpy_fast (&session->transport.lcl_ip, &em->uri_elts.ip, + sizeof (ip46_address_t)); + session->transport.lcl_port = em->uri_elts.port; + + 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); + em->proto_cb_vft->accepted_cb (mp, session); +} + +static void +session_connected_handler (session_connected_msg_t * mp) +{ + echo_main_t *em = &echo_main; + echo_session_t *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 *); + session->listener_index = listener_index; + /* session->transport needed by app_send_dgram */ + clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip, + sizeof (ip46_address_t)); + session->transport.is_ip4 = mp->lcl.is_ip4; + session->transport.lcl_port = mp->lcl.port; + clib_memcpy_fast (&session->transport.rmt_ip, &em->uri_elts.ip, + sizeof (ip46_address_t)); + session->transport.rmt_port = em->uri_elts.port; + + echo_session_handle_add_del (em, mp->handle, session->session_index); + em->proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp, + session->session_index, 0 /* is_failed */ ); +} + +/* + * + * 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; + ECHO_LOG (1, "passive close session 0x%lx", mp->handle); + if (!(s = echo_get_session_from_handle (em, mp->handle))) + return; + em->proto_cb_vft->disconnected_cb (mp, s); + + 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 = 0; + rmp->handle = mp->handle; + rmp->context = mp->context; + app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt); +} + +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; + ECHO_LOG (1, "Reset session 0x%lx", mp->handle); + if (!(s = echo_get_session_from_handle (em, mp->handle))) + return; + em->proto_cb_vft->reset_cb (mp, s); + + 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 = 0; + 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 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); + } + + 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; + } + pthread_exit (0); +} + +static void +clients_run (echo_main_t * em) +{ + u64 i; + echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT); + for (i = 0; i < em->n_connects; 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) +{ + echo_send_listen (em); + wait_for_state_change (em, STATE_READY, 0); + ECHO_LOG (1, "App is ready"); + echo_process_rpcs (em); + /* Cleanup */ + echo_send_unbind (em); + if (wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT)) + { + ECHO_FAIL ("Timeout waiting for state disconnected"); + return; + } +} + +static void +print_usage_and_exit (void) +{ + echo_main_t *em = &echo_main; + int i; + fprintf (stderr, + "Usage: vpp_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" + " sclose=[Y|N|W] When a stream 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" + "\n" + " nclients N Open N clients sending data\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"); + for (i = 0; i < TRANSPORT_N_PROTO; i++) + { + echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i]; + if (vft && vft->print_usage_cb) + vft->print_usage_cb (); + } + fprintf (stderr, "\nDefault configuration is :\n" + " server nclients 1/1 RX=64Kb TX=RX\n" + " client nclients 1/1 RX=64Kb TX=64Kb\n"); + exit (1); +} + +static int +echo_process_each_proto_opts (unformat_input_t * a) +{ + echo_main_t *em = &echo_main; + int i, rv; + for (i = 0; i < TRANSPORT_N_PROTO; i++) + { + echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i]; + if (vft && vft->process_opts_cb) + if ((rv = vft->process_opts_cb (a))) + return rv; + } + return 0; +} + +static void +echo_set_each_proto_defaults_before_opts (echo_main_t * em) +{ + int i; + for (i = 0; i < TRANSPORT_N_PROTO; i++) + { + echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i]; + if (vft && vft->set_defaults_before_opts_cb) + vft->set_defaults_before_opts_cb (); + } +} + +void +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 (echo_process_each_proto_opts (a)) + ; + else 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", &em->n_clients)) + { + em->n_sessions = em->n_clients + 1; + em->n_connects = 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, "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", + echo_unformat_close, &em->send_stream_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; +} + +void +echo_process_uri (echo_main_t * em) +{ + unformat_input_t _input, *input = &_input; + u32 port; + unformat_init_string (input, (char *) em->uri, strlen ((char *) em->uri)); + if (unformat + (input, "%U://%U/%d", unformat_transport_proto, + &em->uri_elts.transport_proto, unformat_ip4_address, + &em->uri_elts.ip.ip4, &port)) + em->uri_elts.is_ip4 = 1; + else + if (unformat + (input, "%U://%U/%d", unformat_transport_proto, + &em->uri_elts.transport_proto, unformat_ip6_address, + &em->uri_elts.ip.ip6, &port)) + em->uri_elts.is_ip4 = 0; + else + ECHO_FAIL ("Unable to process uri"); + em->uri_elts.port = clib_host_to_net_u16 (port); + unformat_free (input); +} + +static void __clib_constructor +vpp_echo_init () +{ + /* init memory before proto register themselves */ + echo_main_t *em = &echo_main; + clib_mem_init_thread_safe (0, 256 << 20); + clib_memset (em, 0, sizeof (*em)); +} + +int +main (int argc, char **argv) +{ + echo_main_t *em = &echo_main; + fifo_segment_main_t *sm = &em->segment_main; + char *app_name; + u64 i; + svm_msg_q_cfg_t _cfg, *cfg = &_cfg; + u32 rpc_queue_size = 64 << 10; + + 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_connects = 1; + em->n_sessions = 2; + 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", "tcp://0.0.0.0/1234", 0); + echo_set_each_proto_defaults_before_opts (em); + echo_process_opts (argc, argv); + echo_process_uri (em); + em->proto_cb_vft = em->available_proto_cb_vft[em->uri_elts.transport_proto]; + if (!em->proto_cb_vft) + { + ECHO_FAIL ("Protocol %U is not supported", + format_transport_proto, em->uri_elts.transport_proto); + exit (1); + } + if (em->proto_cb_vft->set_defaults_after_opts_cb) + em->proto_cb_vft->set_defaults_after_opts_cb (); + + vec_validate (em->data_thread_handles, em->n_rx_threads); + vec_validate (em->data_thread_args, em->n_clients); + for (i = 0; i < em->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[1] = { + {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); + echo_api_hookup (em); + + app_name = em->i_am_master ? "echo_server" : "echo_client"; + if (connect_to_vpp (app_name)) + { + svm_region_exit (); + ECHO_FAIL ("Couldn't connect to vpe, exiting...\n"); + exit (1); + } + + echo_session_prealloc (em); + echo_notify_event (em, ECHO_EVT_START); + + echo_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); + 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); + echo_send_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: + */ diff --git a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c new file mode 100644 index 00000000000..dafcd8a42b6 --- /dev/null +++ b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c @@ -0,0 +1,439 @@ +/* + * 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 <hs_apps/sapi/vpp_echo_common.h> + +/* + * + * Binary API Messages + * + */ + +void +echo_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 +echo_send_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); +} + +void +echo_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); +} + +void +echo_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); +} + +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); +} + +void +echo_send_disconnect_session (u64 handle, 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 = handle; + ECHO_LOG (1, "Disconnect session 0x%lx", dmp->handle); + vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp); +} + +/* + * + * Helpers + * + */ + +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 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); +} + +/* + * + * Binary API callbacks + * + */ + +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) +{ + if (mp->retval) + { + ECHO_FAIL ("bind failed: %U", format_api_error, + clib_net_to_host_u32 (mp->retval)); + } +} + +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; + } + listen_session = pool_elt_at_index (em->sessions, em->listen_session_index); + em->proto_cb_vft->cleanup_cb (listen_session, 0 /* parent_died */ ); + em->state = STATE_DISCONNECTED; +} + +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; + em->proto_cb_vft->disconnected_reply_cb (s); +} + +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_main_t *em = &echo_main; + if (mp->retval && (em->proto_cb_vft->connected_cb)) + em->proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp, + mp->context, 1 /* is_failed */ ); +} + +#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 +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 _ +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/plugins/hs_apps/sapi/vpp_echo_common.c b/src/plugins/hs_apps/sapi/vpp_echo_common.c new file mode 100644 index 00000000000..013affd0420 --- /dev/null +++ b/src/plugins/hs_apps/sapi/vpp_echo_common.c @@ -0,0 +1,562 @@ +/* + * 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 <hs_apps/sapi/vpp_echo_common.h> + +/* + * + * Format functions + * + */ + +u8 * +format_ip4_address (u8 * s, va_list * args) +{ + u8 *a = va_arg (*args, u8 *); + return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); +} + +u8 * +format_ip6_address (u8 * s, va_list * args) +{ + ip6_address_t *a = va_arg (*args, ip6_address_t *); + u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon; + + i_max_n_zero = ARRAY_LEN (a->as_u16); + max_n_zeros = 0; + i_first_zero = i_max_n_zero; + n_zeros = 0; + for (i = 0; i < ARRAY_LEN (a->as_u16); i++) + { + u32 is_zero = a->as_u16[i] == 0; + if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16)) + { + i_first_zero = i; + n_zeros = 0; + } + n_zeros += is_zero; + if ((!is_zero && n_zeros > max_n_zeros) + || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros)) + { + i_max_n_zero = i_first_zero; + max_n_zeros = n_zeros; + i_first_zero = ARRAY_LEN (a->as_u16); + n_zeros = 0; + } + } + + last_double_colon = 0; + for (i = 0; i < ARRAY_LEN (a->as_u16); i++) + { + if (i == i_max_n_zero && max_n_zeros > 1) + { + s = format (s, "::"); + i += max_n_zeros - 1; + last_double_colon = 1; + } + else + { + s = format (s, "%s%x", + (last_double_colon || i == 0) ? "" : ":", + clib_net_to_host_u16 (a->as_u16[i])); + last_double_colon = 0; + } + } + + return s; +} + +/* Format an IP46 address. */ +u8 * +format_ip46_address (u8 * s, va_list * args) +{ + ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); + ip46_type_t type = va_arg (*args, ip46_type_t); + int is_ip4 = 1; + + switch (type) + { + case IP46_TYPE_ANY: + is_ip4 = ip46_address_is_ip4 (ip46); + break; + case IP46_TYPE_IP4: + is_ip4 = 1; + break; + case IP46_TYPE_IP6: + is_ip4 = 0; + break; + } + + return is_ip4 ? + format (s, "%U", format_ip4_address, &ip46->ip4) : + format (s, "%U", format_ip6_address, &ip46->ip6); +} + +uword +unformat_data (unformat_input_t * input, va_list * args) +{ + u64 _a; + u64 *a = va_arg (*args, u64 *); + if (unformat (input, "%lluGb", &_a)) + *a = _a << 30; + else if (unformat (input, "%lluG", &_a)) + *a = _a << 30; + else if (unformat (input, "%lluMb", &_a)) + *a = _a << 20; + else if (unformat (input, "%lluM", &_a)) + *a = _a << 20; + else if (unformat (input, "%lluKb", &_a)) + *a = _a << 10; + else if (unformat (input, "%lluK", &_a)) + *a = _a << 10; + else if (unformat (input, "%llu", a)) + ; + else + return 0; + return 1; +} + +u8 * +format_api_error (u8 * s, va_list * args) +{ + echo_main_t *em = &echo_main; + i32 error = va_arg (*args, u32); + uword *p; + + p = hash_get (em->error_string_by_error_number, -error); + + if (p) + s = format (s, "%s", p[0]); + else + s = format (s, "%d", error); + return s; +} + +void +init_error_string_table () +{ + echo_main_t *em = &echo_main; + em->error_string_by_error_number = hash_create (0, sizeof (uword)); + +#define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s); + foreach_vnet_api_error; +#undef _ + + hash_set (em->error_string_by_error_number, 99, "Misc"); +} + +u8 * +echo_format_app_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"); +} + +uword +echo_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; +} + +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"); +} + +uword +unformat_transport_proto (unformat_input_t * input, va_list * args) +{ + u32 *proto = va_arg (*args, u32 *); + if (unformat (input, "tcp")) + *proto = TRANSPORT_PROTO_TCP; + else if (unformat (input, "TCP")) + *proto = TRANSPORT_PROTO_TCP; + else if (unformat (input, "udpc")) + *proto = TRANSPORT_PROTO_UDPC; + else if (unformat (input, "UDPC")) + *proto = TRANSPORT_PROTO_UDPC; + else if (unformat (input, "udp")) + *proto = TRANSPORT_PROTO_UDP; + else if (unformat (input, "UDP")) + *proto = TRANSPORT_PROTO_UDP; + else if (unformat (input, "sctp")) + *proto = TRANSPORT_PROTO_SCTP; + else if (unformat (input, "SCTP")) + *proto = TRANSPORT_PROTO_SCTP; + else if (unformat (input, "tls")) + *proto = TRANSPORT_PROTO_TLS; + else if (unformat (input, "TLS")) + *proto = TRANSPORT_PROTO_TLS; + else if (unformat (input, "quic")) + *proto = TRANSPORT_PROTO_QUIC; + else if (unformat (input, "QUIC")) + *proto = TRANSPORT_PROTO_QUIC; + else + return 0; + return 1; +} + +u8 * +format_transport_proto (u8 * s, va_list * args) +{ + u32 transport_proto = va_arg (*args, u32); + switch (transport_proto) + { + case TRANSPORT_PROTO_TCP: + s = format (s, "TCP"); + break; + case TRANSPORT_PROTO_UDP: + s = format (s, "UDP"); + break; + case TRANSPORT_PROTO_SCTP: + s = format (s, "SCTP"); + break; + case TRANSPORT_PROTO_NONE: + s = format (s, "NONE"); + break; + case TRANSPORT_PROTO_TLS: + s = format (s, "TLS"); + break; + case TRANSPORT_PROTO_UDPC: + s = format (s, "UDPC"); + break; + case TRANSPORT_PROTO_QUIC: + s = format (s, "QUIC"); + break; + default: + s = format (s, "UNKNOWN"); + break; + } + return s; +} + +uword +unformat_ip4_address (unformat_input_t * input, va_list * args) +{ + u8 *result = va_arg (*args, u8 *); + unsigned a[4]; + + if (!unformat (input, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3])) + return 0; + + if (a[0] >= 256 || a[1] >= 256 || a[2] >= 256 || a[3] >= 256) + return 0; + + result[0] = a[0]; + result[1] = a[1]; + result[2] = a[2]; + result[3] = a[3]; + + return 1; +} + +uword +unformat_ip6_address (unformat_input_t * input, va_list * args) +{ + ip6_address_t *result = va_arg (*args, ip6_address_t *); + u16 hex_quads[8]; + uword hex_quad, n_hex_quads, hex_digit, n_hex_digits; + uword c, n_colon, double_colon_index; + + n_hex_quads = hex_quad = n_hex_digits = n_colon = 0; + double_colon_index = ARRAY_LEN (hex_quads); + while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT) + { + hex_digit = 16; + if (c >= '0' && c <= '9') + hex_digit = c - '0'; + else if (c >= 'a' && c <= 'f') + hex_digit = c + 10 - 'a'; + else if (c >= 'A' && c <= 'F') + hex_digit = c + 10 - 'A'; + else if (c == ':' && n_colon < 2) + n_colon++; + else + { + unformat_put_input (input); + break; + } + + /* Too many hex quads. */ + if (n_hex_quads >= ARRAY_LEN (hex_quads)) + return 0; + + if (hex_digit < 16) + { + hex_quad = (hex_quad << 4) | hex_digit; + + /* Hex quad must fit in 16 bits. */ + if (n_hex_digits >= 4) + return 0; + + n_colon = 0; + n_hex_digits++; + } + + /* Save position of :: */ + if (n_colon == 2) + { + /* More than one :: ? */ + if (double_colon_index < ARRAY_LEN (hex_quads)) + return 0; + double_colon_index = n_hex_quads; + } + + if (n_colon > 0 && n_hex_digits > 0) + { + hex_quads[n_hex_quads++] = hex_quad; + hex_quad = 0; + n_hex_digits = 0; + } + } + + if (n_hex_digits > 0) + hex_quads[n_hex_quads++] = hex_quad; + + { + word i; + + /* Expand :: to appropriate number of zero hex quads. */ + if (double_colon_index < ARRAY_LEN (hex_quads)) + { + word n_zero = ARRAY_LEN (hex_quads) - n_hex_quads; + + for (i = n_hex_quads - 1; i >= (signed) double_colon_index; i--) + hex_quads[n_zero + i] = hex_quads[i]; + + for (i = 0; i < n_zero; i++) + hex_quads[double_colon_index + i] = 0; + + n_hex_quads = ARRAY_LEN (hex_quads); + } + + /* Too few hex quads given. */ + if (n_hex_quads < ARRAY_LEN (hex_quads)) + return 0; + + for (i = 0; i < ARRAY_LEN (hex_quads); i++) + result->as_u16[i] = clib_host_to_net_u16 (hex_quads[i]); + + return 1; + } +} + +/* + * + * End of format functions + * + */ + +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); +} + +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)); +} + +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; +} + +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]); +} + +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; +} + +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", echo_format_app_state, state); + return -1; +} + +void +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; +} + +void +echo_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); +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/plugins/hs_apps/sapi/vpp_echo_common.h b/src/plugins/hs_apps/sapi/vpp_echo_common.h new file mode 100644 index 00000000000..2f9d3912bb7 --- /dev/null +++ b/src/plugins/hs_apps/sapi/vpp_echo_common.h @@ -0,0 +1,321 @@ +/* + * 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. + */ + +#ifndef __included_vpp_echo_common_h__ +#define __included_vpp_echo_common_h__ + +#include <vnet/session/application_interface.h> +#include <vpp/api/vpe_msg_enum.h> + +#define vl_typedefs /* define message structures */ +#include <vpp/api/vpe_all_api_h.h> +#undef vl_typedefs + +/* declare message handlers for each api */ + +#define vl_endianfun /* define message structures */ +#include <vpp/api/vpe_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) +#define vl_printfun +#include <vpp/api/vpe_all_api_h.h> +#undef vl_printfun + +#define TIMEOUT 10.0 + +#define CHECK(expected, result, _fmt, _args...) \ + if (expected != result) \ + ECHO_FAIL ("expected %d, got %d : " _fmt, expected, result, ##_args); + +#define ECHO_FAIL(_fmt,_args...) \ + { \ + echo_main_t *em = &echo_main; \ + em->has_failed = 1; \ + em->time_to_stop = 1; \ + if (em->log_lvl > 0) \ + clib_warning ("ECHO-ERROR: "_fmt, ##_args); \ + } + +#define ECHO_LOG(lvl, _fmt,_args...) \ + { \ + echo_main_t *em = &echo_main; \ + if (em->log_lvl > lvl) \ + clib_warning (_fmt, ##_args); \ + } + +#define ECHO_REGISTER_PROTO(proto, vft) \ + static void __clib_constructor \ + vpp_echo_init_##proto () \ + { \ + echo_main_t *em = &echo_main; \ + em->available_proto_cb_vft[proto] = &vft; \ + } + +typedef struct +{ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); +#define _(type, name) type name; + foreach_app_session_field +#undef _ + u64 vpp_session_handle; + u64 bytes_sent; + u64 bytes_to_send; + volatile u64 bytes_received; + volatile u64 bytes_to_receive; + f64 start; + u32 listener_index; /* listener index in echo session pool */ + u32 idle_cycles; /* consecutive enq/deq with no data */ + volatile u64 accepted_session_count; /* sessions we accepted (as a listener) */ +} echo_session_t; + +typedef enum +{ + ECHO_NO_DATA_SOURCE, + ECHO_TEST_DATA_SOURCE, + ECHO_RX_DATA_SOURCE, + ECHO_INVALID_DATA_SOURCE +} data_source_t; + +enum echo_close_f_t +{ + ECHO_CLOSE_F_INVALID = 0, + ECHO_CLOSE_F_PASSIVE, /* wait for close msg */ + ECHO_CLOSE_F_ACTIVE, /* send close msg */ + ECHO_CLOSE_F_NONE, /* don't bother sending close msg */ +}; + +enum quic_session_type_t +{ + ECHO_SESSION_TYPE_QUIC, + ECHO_SESSION_TYPE_STREAM, + ECHO_SESSION_TYPE_LISTEN, +}; + +enum quic_session_state_t +{ + ECHO_SESSION_STATE_INITIAL, + ECHO_SESSION_STATE_READY, + ECHO_SESSION_STATE_AWAIT_CLOSING, /* Data transfer is done, wait for close evt */ + ECHO_SESSION_STATE_AWAIT_DATA, /* Peer closed, wait for outstanding data */ + ECHO_SESSION_STATE_CLOSING, /* told vpp to close */ + ECHO_SESSION_STATE_CLOSED, /* closed in vpp */ +}; + +typedef enum +{ + STATE_START, + STATE_ATTACHED, + STATE_LISTEN, + STATE_READY, + STATE_DATA_DONE, + STATE_DISCONNECTED, + STATE_DETACHED +} connection_state_t; + +typedef enum echo_test_evt_ +{ + ECHO_EVT_START = 1, /* app starts */ + ECHO_EVT_FIRST_QCONNECT = (1 << 1), /* First connect Quic session sent */ + ECHO_EVT_LAST_QCONNECTED = (1 << 2), /* All Quic session are connected */ + ECHO_EVT_FIRST_SCONNECT = (1 << 3), /* First connect Stream session sent */ + ECHO_EVT_LAST_SCONNECTED = (1 << 4), /* All Stream session are connected */ + ECHO_EVT_LAST_BYTE = (1 << 5), /* Last byte received */ + ECHO_EVT_EXIT = (1 << 6), /* app exits */ +} echo_test_evt_t; + +typedef union session_connected_bundled_msg_ +{ + session_connected_msg_t *mp; + vl_api_connect_uri_reply_t *bmp; +} session_connected_bundled_msg_t; + +typedef struct echo_proto_cb_vft_ +{ + void (*connected_cb) (session_connected_bundled_msg_t * mp, u32 session_index, u8 is_failed); /* Session is connected */ + void (*accepted_cb) (session_accepted_msg_t * mp, echo_session_t * session); /* Session got accepted */ + void (*bound_uri_cb) (session_bound_msg_t * mp, echo_session_t * session); /* Session got bound */ + void (*reset_cb) (session_reset_msg_t * mp, echo_session_t * s); /* Received RESET on session */ + void (*disconnected_cb) (session_disconnected_msg_t * mp, echo_session_t * s); /* Received DISCONNECT on session */ + void (*disconnected_reply_cb) (echo_session_t * s); /* ACK disconnect we sent to vpp */ + void (*cleanup_cb) (echo_session_t * s, u8 parent_died); /* Session should be cleaned up (parent listener may be dead) */ + /* Add CLI options */ + int (*process_opts_cb) (unformat_input_t * a); + void (*set_defaults_before_opts_cb) (void); + void (*set_defaults_after_opts_cb) (void); + void (*print_usage_cb) (void); +} echo_proto_cb_vft_t; + +typedef enum +{ + RETURN_PACKETS_NOTEST, + RETURN_PACKETS_LOG_WRONG, + RETURN_PACKETS_ASSERT, +} test_return_packets_t; + +typedef struct teardown_stat_ +{ + u32 q; /* quic sessions */ + u32 s; /* stream sessions */ +} teardown_stat_t; + +typedef struct +{ + svm_queue_t *vl_input_queue; /* vpe input queue */ + u32 my_client_index; /* API client handle */ + u8 *uri; /* The URI we're playing with */ + echo_session_t *sessions; /* Session pool */ + svm_msg_q_t *our_event_queue; /* Our event queue */ + clib_time_t clib_time; /* For deadman timers */ + u8 *socket_name; + int i_am_master; + u32 listen_session_index; /* Index of vpp listener session */ + + uword *session_index_by_vpp_handles; /* Hash table : quic_echo s_id -> vpp s_handle */ + clib_spinlock_t sid_vpp_handles_lock; /* Hash table lock */ + + uword *shared_segment_handles; /* Hash table : segment_names -> 1 */ + clib_spinlock_t segment_handles_lock; /* Hash table lock */ + echo_proto_cb_vft_t *proto_cb_vft; + svm_msg_q_t *rpc_msq_queue; /* MQ between quic_echo threads */ + fifo_segment_main_t segment_main; + + /* State of the connection, shared between msg RX thread and main thread */ + volatile connection_state_t state; + volatile u8 time_to_stop; /* Signal variables */ + u8 has_failed; /* stores the exit code */ + + /** Flag that decides if socket, instead of svm, api is used to connect to + * vpp. If sock api is used, shm binary api is subsequently bootstrapped + * and all other messages are exchanged using shm IPC. */ + u8 use_sock_api; + + u8 *connect_test_data; + u8 test_return_packets; + u64 bytes_to_send; /* target per stream */ + u64 bytes_to_receive; /* target per stream */ + u32 fifo_size; + u32 rx_buf_size; + u32 tx_buf_size; + data_source_t data_source; /* Use no/dummy/mirrored data */ + u8 send_stream_disconnects; /* actively send disconnect */ + u8 output_json; /* Output stats as JSON */ + u8 log_lvl; /* Verbosity of the logging */ + int max_test_msg; /* Limit the number of incorrect data messages */ + + u8 *appns_id; + u64 appns_flags; + u64 appns_secret; + + pthread_t *data_thread_handles; /* vec of data thread handles */ + pthread_t mq_thread_handle; /* Message queue thread handle */ + u32 *volatile data_thread_args; + + u32 n_connects; /* Target number of connects to send */ + u32 n_sessions; /* Number of sessions to prealloc */ + u32 n_clients; /* Target number of clients doing RX/TX */ + u32 n_rx_threads; /* Number of data threads */ + + volatile u32 n_clients_connected; /* Number of STREAM sessions connected */ + volatile u32 nxt_available_sidx; /* next unused prealloced session_index */ + + /* VNET_API_ERROR_FOO -> "Foo" hash table */ + uword *error_string_by_error_number; + echo_proto_cb_vft_t *available_proto_cb_vft[TRANSPORT_N_PROTO]; + + struct + { + u64 tx_total; + u64 rx_total; + teardown_stat_t reset_count; /* received reset from vpp */ + teardown_stat_t close_count; /* received close from vpp */ + teardown_stat_t active_count; /* sent close to vpp */ + teardown_stat_t clean_count; /* cleaned up stale session */ + } stats; + + struct /* Event based timing : start & end depend on CLI specified events */ + { + f64 start_time; + f64 end_time; + u8 events_sent; + u8 start_event; + u8 end_event; + } timing; + + struct + { + u32 transport_proto; + ip46_address_t ip; + u32 port; + u8 is_ip4; + } uri_elts; +} echo_main_t; + +extern echo_main_t echo_main; + +typedef void (*echo_rpc_t) (void *arg, u32 opaque); + +typedef struct +{ + void *fp; + void *arg; + u32 opaque; +} echo_rpc_msg_t; + +u8 *format_ip4_address (u8 * s, va_list * args); +u8 *format_ip6_address (u8 * s, va_list * args); +u8 *format_ip46_address (u8 * s, va_list * args); +uword unformat_data (unformat_input_t * input, va_list * args); +u8 *format_api_error (u8 * s, va_list * args); +void init_error_string_table (); +u8 *echo_format_app_state (u8 * s, va_list * args); +uword echo_unformat_close (unformat_input_t * input, va_list * args); +uword echo_unformat_timing_event (unformat_input_t * input, va_list * args); +u8 *echo_format_timing_event (u8 * s, va_list * args); +uword unformat_transport_proto (unformat_input_t * input, va_list * args); +u8 *format_transport_proto (u8 * s, va_list * args); +uword unformat_ip4_address (unformat_input_t * input, va_list * args); +uword unformat_ip6_address (unformat_input_t * input, va_list * args); + +void echo_session_handle_add_del (echo_main_t * em, u64 handle, u32 sid); +echo_session_t *echo_session_new (echo_main_t * em); +int echo_send_rpc (echo_main_t * em, void *fp, void *arg, u32 opaque); +echo_session_t *echo_get_session_from_handle (echo_main_t * em, u64 handle); +int wait_for_segment_allocation (u64 segment_handle); +int wait_for_state_change (echo_main_t * em, connection_state_t state, + f64 timeout); +void echo_notify_event (echo_main_t * em, echo_test_evt_t e); +void echo_session_print_stats (echo_main_t * em, echo_session_t * session); + +/* Binary API */ + +void echo_send_attach (echo_main_t * em); +void echo_send_detach (echo_main_t * em); +void echo_send_listen (echo_main_t * em); +void echo_send_unbind (echo_main_t * em); +void echo_send_connect (u8 * uri, u32 opaque); +void echo_send_disconnect_session (u64 handle, u32 opaque); +void echo_api_hookup (echo_main_t * em); + +#endif /* __included_vpp_echo_common_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/plugins/hs_apps/sapi/vpp_echo_proto_quic.c b/src/plugins/hs_apps/sapi/vpp_echo_proto_quic.c new file mode 100644 index 00000000000..28c89a65fbf --- /dev/null +++ b/src/plugins/hs_apps/sapi/vpp_echo_proto_quic.c @@ -0,0 +1,507 @@ +/* + * 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 <hs_apps/sapi/vpp_echo_common.h> + +typedef struct _quic_echo_cb_vft +{ + void (*quic_connected_cb) (session_connected_msg_t * mp, u32 session_index); + void (*client_stream_connected_cb) (session_connected_msg_t * mp, + u32 session_index); + void (*server_stream_connected_cb) (session_connected_msg_t * mp, + u32 session_index); + void (*quic_accepted_cb) (session_accepted_msg_t * mp, u32 session_index); + void (*client_stream_accepted_cb) (session_accepted_msg_t * mp, + u32 session_index); + void (*server_stream_accepted_cb) (session_accepted_msg_t * mp, + u32 session_index); +} quic_echo_cb_vft_t; + +typedef struct +{ + quic_echo_cb_vft_t cb_vft; /* cb vft for QUIC scenarios */ + u8 send_quic_disconnects; /* actively send disconnect */ + u32 n_stream_clients; /* Target Number of STREAM sessions per QUIC session */ + volatile u32 n_quic_clients_connected; /* Number of connected QUIC sessions */ +} quic_echo_proto_main_t; + +quic_echo_proto_main_t quic_echo_proto_main; + +/* + * + * ECHO Callback definitions + * + */ + +static void +quic_echo_on_connected_connect (session_connected_msg_t * mp, + u32 session_index) +{ + echo_main_t *em = &echo_main; + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + u8 *uri = format (0, "QUIC://session/%lu", mp->handle); + u64 i; + + echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); + for (i = 0; i < eqm->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 +quic_echo_on_connected_send (session_connected_msg_t * mp, u32 session_index) +{ + static u32 client_index = 0; + 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 = ECHO_SESSION_STATE_READY; + em->data_thread_args[client_index++] = session->session_index; +} + +static void +quic_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 +quic_echo_on_accept_recv (session_accepted_msg_t * mp, u32 session_index) +{ + static u32 client_index = 0; + 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[client_index++] = session->session_index; + session->session_state = ECHO_SESSION_STATE_READY; +} + +static void +quic_echo_on_accept_connect (session_accepted_msg_t * mp, u32 session_index) +{ + echo_main_t *em = &echo_main; + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + ECHO_LOG (1, "Accept on QSession 0x%lx %u", mp->handle); + u8 *uri = format (0, "QUIC://session/%lu", mp->handle); + u32 i; + + echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); + for (i = 0; i < eqm->n_stream_clients; i++) + echo_send_rpc (em, echo_send_connect, (void *) uri, session_index); +} + +static void +quic_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 +quic_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 = quic_echo_on_accept_log_ip, + .quic_connected_cb = quic_echo_on_connected_connect, + /* client initiated streams */ + .server_stream_accepted_cb = quic_echo_on_accept_recv, + .client_stream_connected_cb = quic_echo_on_connected_send, + /* server initiated streams */ + .client_stream_accepted_cb = quic_echo_on_accept_error, + .server_stream_connected_cb = quic_echo_on_connected_error, +}; + +static const quic_echo_cb_vft_t server_stream_cb_vft = { + /* Qsessions */ + .quic_accepted_cb = quic_echo_on_accept_connect, + .quic_connected_cb = NULL, + /* client initiated streams */ + .server_stream_accepted_cb = quic_echo_on_accept_error, + .client_stream_connected_cb = quic_echo_on_connected_error, + /* server initiated streams */ + .client_stream_accepted_cb = quic_echo_on_accept_recv, + .server_stream_connected_cb = quic_echo_on_connected_send, +}; + +static void quic_echo_cleanup_cb (echo_session_t * s, u8 parent_died); + +static inline void +quic_echo_cleanup_listener (u32 listener_index, echo_main_t * em, + quic_echo_proto_main_t * eqm) +{ + echo_session_t *ls; + ls = pool_elt_at_index (em->sessions, listener_index); + ASSERT (ls->session_type == ECHO_SESSION_TYPE_QUIC); + if (!clib_atomic_sub_fetch (&ls->accepted_session_count, 1)) + { + if (eqm->send_quic_disconnects == ECHO_CLOSE_F_ACTIVE) + { + echo_send_rpc (em, echo_send_disconnect_session, + (void *) ls->vpp_session_handle, 0); + clib_atomic_fetch_add (&em->stats.active_count.q, 1); + } + else if (eqm->send_quic_disconnects == ECHO_CLOSE_F_NONE) + { + quic_echo_cleanup_cb (ls, 0 /* parent_died */ ); + clib_atomic_fetch_add (&em->stats.clean_count.q, 1); + } + } +} + +static void +quic_echo_cleanup_cb (echo_session_t * s, u8 parent_died) +{ + echo_main_t *em = &echo_main; + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + ASSERT (s->session_state < ECHO_SESSION_STATE_CLOSED); + if (s->session_type == ECHO_SESSION_TYPE_QUIC) + { + if (parent_died) + clib_atomic_fetch_add (&em->stats.clean_count.q, 1); + /* Don't cleanup listener as it's handled by main() */ + clib_atomic_sub_fetch (&eqm->n_quic_clients_connected, 1); + } + else if (s->session_type == ECHO_SESSION_TYPE_STREAM) + { + if (parent_died) + clib_atomic_fetch_add (&em->stats.clean_count.s, 1); + else + quic_echo_cleanup_listener (s->listener_index, em, eqm); + clib_atomic_sub_fetch (&em->n_clients_connected, 1); + } + + ECHO_LOG (1, "Cleanup sessions (still %uQ %uS)", + eqm->n_quic_clients_connected, em->n_clients_connected); + s->session_state = ECHO_SESSION_STATE_CLOSED; + if (!em->n_clients_connected && !eqm->n_quic_clients_connected) + em->state = STATE_DATA_DONE; +} + +static void +quic_echo_initiate_qsession_close_no_stream (echo_main_t * em) +{ + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + 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 == ECHO_SESSION_TYPE_QUIC) + { + if (eqm->send_quic_disconnects == ECHO_CLOSE_F_ACTIVE) + { + ECHO_LOG (1,"ACTIVE close 0x%lx", s->vpp_session_handle); + echo_send_rpc (em, echo_send_disconnect_session, (void *) s->vpp_session_handle, 0); + clib_atomic_fetch_add (&em->stats.active_count.q, 1); + } + else if (eqm->send_quic_disconnects == ECHO_CLOSE_F_NONE) + { + ECHO_LOG (1,"Discard close 0x%lx", s->vpp_session_handle); + quic_echo_cleanup_cb (s, 0 /* parent_died */); + clib_atomic_fetch_add (&em->stats.clean_count.q, 1); + } + else + ECHO_LOG (1,"Passive close 0x%lx", s->vpp_session_handle); + } + })); + /* *INDENT-ON* */ +} + +static void +quic_echo_on_connected (session_connected_msg_t * mp, u32 session_index) +{ + echo_main_t *em = &echo_main; + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + echo_session_t *listen_session; + echo_session_t *session = pool_elt_at_index (em->sessions, session_index); + if (session->listener_index == SESSION_INVALID_INDEX) + { + ECHO_LOG (1, "Connected session 0x%lx -> URI", mp->handle); + session->session_type = ECHO_SESSION_TYPE_QUIC; + session->accepted_session_count = 0; + if (eqm->cb_vft.quic_connected_cb) + eqm->cb_vft.quic_connected_cb (mp, session->session_index); + clib_atomic_fetch_add (&eqm->n_quic_clients_connected, 1); + } + else + { + listen_session = + pool_elt_at_index (em->sessions, session->listener_index); + ECHO_LOG (1, "Connected session 0x%lx -> 0x%lx", mp->handle, + listen_session->vpp_session_handle); + session->session_type = ECHO_SESSION_TYPE_STREAM; + clib_atomic_fetch_add (&listen_session->accepted_session_count, 1); + if (em->i_am_master && eqm->cb_vft.server_stream_connected_cb) + eqm->cb_vft.server_stream_connected_cb (mp, session->session_index); + if (!em->i_am_master && eqm->cb_vft.client_stream_connected_cb) + eqm->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_clients_connected != 0) + echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED); + + if (eqm->n_quic_clients_connected == em->n_connects + && em->state < STATE_READY) + { + echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED); + em->state = STATE_READY; + if (eqm->n_stream_clients == 0) + quic_echo_initiate_qsession_close_no_stream (em); + } +} + +static void +quic_echo_retry_connect (u32 session_index) +{ + /* retry connect */ + echo_session_t *session; + echo_main_t *em = &echo_main; + u8 *uri; + if (session_index == 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, session_index); + 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, session_index); + } +} + +static void +quic_echo_connected_cb (session_connected_bundled_msg_t * mp, + u32 session_index, u8 is_failed) +{ + if (is_failed) + return quic_echo_retry_connect (session_index); + return quic_echo_on_connected ((session_connected_msg_t *) mp, + session_index); +} + +static void +quic_echo_accepted_cb (session_accepted_msg_t * mp, echo_session_t * session) +{ + echo_main_t *em = &echo_main; + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + echo_session_t *ls; + ls = pool_elt_at_index (em->sessions, session->listener_index); + if (ls->session_type == ECHO_SESSION_TYPE_LISTEN) + { + echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT); + session->session_type = ECHO_SESSION_TYPE_QUIC; + session->accepted_session_count = 0; + if (eqm->cb_vft.quic_accepted_cb) + eqm->cb_vft.quic_accepted_cb (mp, session->session_index); + clib_atomic_fetch_add (&eqm->n_quic_clients_connected, 1); + } + else + { + session->session_type = ECHO_SESSION_TYPE_STREAM; + echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); + clib_atomic_fetch_add (&ls->accepted_session_count, 1); + if (em->i_am_master && eqm->cb_vft.server_stream_accepted_cb) + eqm->cb_vft.server_stream_accepted_cb (mp, session->session_index); + if (!em->i_am_master && eqm->cb_vft.client_stream_accepted_cb) + eqm->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_clients_connected != 0) + echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED); + + if (eqm->n_quic_clients_connected == em->n_connects + && em->state < STATE_READY) + { + echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED); + em->state = STATE_READY; + if (eqm->n_stream_clients == 0) + quic_echo_initiate_qsession_close_no_stream (em); + } +} + +static void +quic_echo_disconnected_reply_cb (echo_session_t * s) +{ + if (s->session_type == ECHO_SESSION_TYPE_STREAM) + s->session_state = ECHO_SESSION_STATE_CLOSING; + else + quic_echo_cleanup_cb (s, 0 /* parent_died */ ); /* We can clean Q/Lsessions right away */ +} + +static void +quic_echo_disconnected_cb (session_disconnected_msg_t * mp, + echo_session_t * s) +{ + echo_main_t *em = &echo_main; + if (s->session_type == ECHO_SESSION_TYPE_STREAM) + { + echo_session_print_stats (em, s); + if (s->bytes_to_receive || s->bytes_to_send) + s->session_state = ECHO_SESSION_STATE_AWAIT_DATA; + else + s->session_state = ECHO_SESSION_STATE_CLOSING; + clib_atomic_fetch_add (&em->stats.close_count.s, 1); + } + else + { + quic_echo_cleanup_cb (s, 0 /* parent_died */ ); /* We can clean Q/Lsessions right away */ + clib_atomic_fetch_add (&em->stats.close_count.q, 1); + } +} + +static void +quic_echo_reset_cb (session_reset_msg_t * mp, echo_session_t * s) +{ + echo_main_t *em = &echo_main; + if (s->session_type == ECHO_SESSION_TYPE_STREAM) + { + clib_atomic_fetch_add (&em->stats.reset_count.s, 1); + s->session_state = ECHO_SESSION_STATE_CLOSING; + } + else + { + clib_atomic_fetch_add (&em->stats.reset_count.q, 1); + quic_echo_cleanup_cb (s, 0 /* parent_died */ ); /* We can clean Q/Lsessions right away */ + } +} + +static uword +quic_echo_unformat_setup_vft (unformat_input_t * input, va_list * args) +{ + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + if (unformat (input, "serverstream")) + eqm->cb_vft = server_stream_cb_vft; + else if (unformat (input, "default")) + ; + else + return 0; + return 1; +} + +static int +quic_echo_process_opts_cb (unformat_input_t * a) +{ + echo_main_t *em = &echo_main; + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + if (unformat (a, "nclients %d/%d", &em->n_clients, &eqm->n_stream_clients)) + ; + else if (unformat (a, "quic-setup %U", quic_echo_unformat_setup_vft)) + ; + else if (unformat (a, "qclose=%U", + echo_unformat_close, &eqm->send_quic_disconnects)) + ; + else + return 0; + return 1; +} + +static void +quic_echo_set_defaults_before_opts_cb () +{ + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + eqm->cb_vft = default_cb_vft; + eqm->n_stream_clients = 1; +} + +static void +quic_echo_set_defaults_after_opts_cb () +{ + quic_echo_proto_main_t *eqm = &quic_echo_proto_main; + echo_main_t *em = &echo_main; + u8 default_f_active; + + em->n_connects = em->n_clients; + em->n_sessions = + clib_max (1, + eqm->n_stream_clients) * em->n_clients + eqm->n_stream_clients + + 1; + em->n_clients = eqm->n_stream_clients * em->n_clients; + + 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 (eqm->send_quic_disconnects == ECHO_CLOSE_F_INVALID) + eqm->send_quic_disconnects = default_f_active; +} + +static void +quic_echo_print_usage_cb () +{ + fprintf (stderr, + "-- QUIC specific options -- \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" + " qclose=[Y|N|W] When a connection is done pass[N] send[Y] or wait[W] for close\n" + "\n" + " nclients N[/M] Open N QUIC connections, each one with M streams (M defaults to 1)\n"); +} + +echo_proto_cb_vft_t quic_echo_proto_cb_vft = { + .disconnected_cb = quic_echo_disconnected_cb, + .connected_cb = quic_echo_connected_cb, + .accepted_cb = quic_echo_accepted_cb, + .reset_cb = quic_echo_reset_cb, + .disconnected_reply_cb = quic_echo_disconnected_reply_cb, + .cleanup_cb = quic_echo_cleanup_cb, + .process_opts_cb = quic_echo_process_opts_cb, + .print_usage_cb = quic_echo_print_usage_cb, + .set_defaults_before_opts_cb = quic_echo_set_defaults_before_opts_cb, + .set_defaults_after_opts_cb = quic_echo_set_defaults_after_opts_cb, +}; + +ECHO_REGISTER_PROTO (TRANSPORT_PROTO_QUIC, quic_echo_proto_cb_vft); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |