diff options
Diffstat (limited to 'src/plugins/hs_apps/sapi/tcp_echo.c')
| -rw-r--r-- | src/plugins/hs_apps/sapi/tcp_echo.c | 1414 |
1 files changed, 0 insertions, 1414 deletions
diff --git a/src/plugins/hs_apps/sapi/tcp_echo.c b/src/plugins/hs_apps/sapi/tcp_echo.c deleted file mode 100644 index 6c3ce928490..00000000000 --- a/src/plugins/hs_apps/sapi/tcp_echo.c +++ /dev/null @@ -1,1414 +0,0 @@ -/* - * Copyright (c) 2016 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> -#include <vlibmemory/api.h> - -#include <vpp/api/vpe_msg_enum.h> -#include <svm/fifo_segment.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 TCP_ECHO_DBG 0 -#define DBG(_fmt,_args...) \ - if (TCP_ECHO_DBG) \ - 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; -} echo_session_t; - -typedef enum -{ - STATE_START, - STATE_ATTACHED, - STATE_LISTEN, - STATE_READY, - STATE_DISCONNECTING, - STATE_FAILED, - STATE_DETACHED -} connection_state_t; - -typedef struct -{ - /* vpe input queue */ - svm_queue_t *vl_input_queue; - - /* API client handle */ - u32 my_client_index; - - /* The URI we're playing with */ - u8 *uri; - - /* Session pool */ - echo_session_t *sessions; - - /* Hash table for disconnect processing */ - uword *session_index_by_vpp_handles; - - /* intermediate rx buffer */ - u8 *rx_buf; - - /* URI for slave's connect */ - u8 *connect_uri; - - u32 connected_session_index; - - int i_am_master; - - /* drop all packets */ - int no_return; - - /* Our event queue */ - svm_msg_q_t *our_event_queue; - - u8 *socket_name; - - pid_t my_pid; - - /* For deadman timers */ - clib_time_t clib_time; - - /* State of the connection, shared between msg RX thread and main thread */ - volatile connection_state_t state; - - /* Signal variables */ - volatile int time_to_stop; - volatile int time_to_print_stats; - - u32 configured_segment_size; - - /* VNET_API_ERROR_FOO -> "Foo" hash table */ - uword *error_string_by_error_number; - - u8 *connect_test_data; - pthread_t *client_thread_handles; - u32 *thread_args; - u32 client_bytes_received; - u8 test_return_packets; - u64 bytes_to_send; - u32 fifo_size; - - u32 n_clients; - u64 tx_total; - u64 rx_total; - - volatile u32 n_clients_connected; - volatile u32 n_active_clients; - - - /** 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; - - fifo_segment_main_t segment_main; -} echo_main_t; - -echo_main_t echo_main; - -#if CLIB_DEBUG > 0 -#define NITER 10000 -#else -#define NITER 4000000 -#endif - -static 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; -} - -static void -init_error_string_table (echo_main_t * em) -{ - 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"); -} - -static void handle_mq_event (session_event_t * e); - -static int -wait_for_state_change (echo_main_t * em, connection_state_t state) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - f64 timeout; - -#if CLIB_DEBUG > 0 -#define TIMEOUT 600.0 -#else -#define TIMEOUT 600.0 -#endif - - timeout = clib_time_now (&em->clib_time) + TIMEOUT; - - while (clib_time_now (&em->clib_time) < timeout) - { - if (em->state == state) - return 0; - if (em->state == STATE_FAILED) - return -1; - if (em->time_to_stop == 1) - return 0; - if (!em->our_event_queue || em->state < STATE_ATTACHED) - continue; - - if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0)) - continue; - 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); - } - clib_warning ("timeout waiting for state %d", state); - return -1; -} - -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; - 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); -} - -static int -application_attach (echo_main_t * em) -{ - application_send_attach (em); - if (wait_for_state_change (em, STATE_ATTACHED)) - { - clib_warning ("timeout waiting for STATE_ATTACHED"); - return -1; - } - return 0; -} - -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); - - DBG ("%s", "Sent detach"); -} - -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))) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", name); - return rv; - } - - vec_reset_length (a->new_segment_indices); - return 0; -} - -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; - u32 n_fds = 0; - - if (mp->retval) - { - clib_warning ("attach failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - goto failed; - } - - if (mp->segment_name_length == 0) - { - clib_warning ("segment_name_length zero"); - goto failed; - } - - 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); - vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5); - - if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) - if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++])) - 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++])) - 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)) - goto failed; - } - - em->state = STATE_ATTACHED; - return; -failed: - em->state = STATE_FAILED; - return; -} - -static void -vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * - mp) -{ - if (mp->retval) - clib_warning ("detach returned with err: %d", mp->retval); - echo_main.state = STATE_DETACHED; -} - -static void -stop_signal (int signum) -{ - echo_main_t *um = &echo_main; - - um->time_to_stop = 1; -} - -static void -stats_signal (int signum) -{ - echo_main_t *um = &echo_main; - - um->time_to_print_stats = 1; -} - -static clib_error_t * -setup_signal_handlers (void) -{ - signal (SIGINT, stats_signal); - signal (SIGQUIT, stop_signal); - signal (SIGTERM, stop_signal); - - return 0; -} - -void -vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...) -{ - clib_warning ("BUG"); -} - -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 */ )) - { - clib_warning ("socket connect failed"); - return -1; - } - - if (vl_socket_client_init_shm (0, 1 /* want_pthread */ )) - { - clib_warning ("init shm api failed"); - return -1; - } - } - else - { - if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0) - { - clib_warning ("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; -} - -void -disconnect_from_vpp (echo_main_t * em) -{ - if (em->use_sock_api) - vl_socket_client_disconnect (); - else - vl_client_disconnect_from_vlib (); -} - -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; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) mp->segment_name; - a->segment_size = mp->segment_size; - /* Attach to the segment vpp created */ - rv = fifo_segment_attach (sm, a); - if (rv) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - return; - } - clib_warning ("Mapped new segment '%s' size %d", mp->segment_name, - mp->segment_size); -} - -static void -session_print_stats (echo_main_t * em, echo_session_t * session) -{ - f64 deltat; - u64 bytes; - - deltat = clib_time_now (&em->clib_time) - session->start; - bytes = em->i_am_master ? session->bytes_received : em->bytes_to_send; - fformat (stdout, "Finished in %.6f\n", deltat); - fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9); -} - -static void -test_recv_bytes (echo_session_t * s, u8 * rx_buf, u32 n_read) -{ - int i; - for (i = 0; i < n_read; i++) - { - if (rx_buf[i] != ((s->bytes_received + i) & 0xff)) - { - clib_warning ("error at byte %lld, 0x%x not 0x%x", - s->bytes_received + i, rx_buf[i], - ((s->bytes_received + i) & 0xff)); - } - } -} - -static void -recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf) -{ - int n_to_read, n_read; - - n_to_read = svm_fifo_max_dequeue_cons (s->rx_fifo); - if (!n_to_read) - return; - - do - { - n_read = app_recv_stream ((app_session_t *) s, rx_buf, - vec_len (rx_buf)); - - if (n_read > 0) - { - if (em->test_return_packets) - test_recv_bytes (s, rx_buf, n_read); - - n_to_read -= n_read; - - s->bytes_received += n_read; - s->bytes_to_receive -= n_read; - } - else - break; - } - while (n_to_read > 0); -} - -static void -send_data_chunk (echo_main_t * em, echo_session_t * s) -{ - u64 test_buf_len, bytes_this_chunk, test_buf_offset; - u8 *test_data = em->connect_test_data; - int n_sent; - - test_buf_len = vec_len (test_data); - test_buf_offset = s->bytes_sent % test_buf_len; - bytes_this_chunk = clib_min (test_buf_len - test_buf_offset, - s->bytes_to_send); - - n_sent = app_send_stream ((app_session_t *) s, test_data + test_buf_offset, - bytes_this_chunk, 0); - - if (n_sent > 0) - { - s->bytes_to_send -= n_sent; - s->bytes_sent += n_sent; - } -} - -/* - * Rx/Tx polling thread per connection - */ -static void * -client_thread_fn (void *arg) -{ - echo_main_t *em = &echo_main; - static u8 *rx_buf = 0; - u32 session_index = *(u32 *) arg; - echo_session_t *s; - - vec_validate (rx_buf, 1 << 20); - - while (!em->time_to_stop && em->state != STATE_READY) - ; - - s = pool_elt_at_index (em->sessions, session_index); - while (!em->time_to_stop) - { - send_data_chunk (em, s); - recv_data_chunk (em, s, rx_buf); - if (!s->bytes_to_send && !s->bytes_to_receive) - break; - } - - DBG ("session %d done", session_index); - em->tx_total += s->bytes_sent; - em->rx_total += s->bytes_received; - em->n_active_clients--; - - pthread_exit (0); -} - -void -client_send_connect (echo_main_t * em) -{ - 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 (0xfeedface); - memcpy (cmp->uri, em->connect_uri, vec_len (em->connect_uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp); -} - -void -client_send_disconnect (echo_main_t * em, echo_session_t * s) -{ - 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; - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp); -} - -int -client_disconnect (echo_main_t * em, echo_session_t * s) -{ - client_send_disconnect (em, s); - pool_put (em->sessions, s); - clib_memset (s, 0xfe, sizeof (*s)); - return 0; -} - -static void -session_bound_handler (session_bound_msg_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval) - { - clib_warning ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - clib_warning ("listening on %U:%u", format_ip46_address, mp->lcl_ip, - mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, mp->lcl_port); - em->state = STATE_READY; -} - -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; - static f64 start_time; - u32 session_index; - u8 *ip_str; - - if (start_time == 0.0) - start_time = clib_time_now (&em->clib_time); - - ip_str = format (0, "%U", format_ip46_address, &mp->rmt.ip, mp->rmt.is_ip4); - clib_warning ("Accepted session from: %s:%d", ip_str, - clib_net_to_host_u16 (mp->rmt.port)); - - /* Allocate local session and set it up */ - pool_get (em->sessions, session); - session_index = session - em->sessions; - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - /* Add it to lookup table */ - hash_set (em->session_index_by_vpp_handles, mp->handle, session_index); - - em->state = STATE_READY; - - /* Stats printing */ - if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0) - { - f64 now = clib_time_now (&em->clib_time); - fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n", - pool_elts (em->sessions), now - start_time, - (f64) pool_elts (em->sessions) / (now - start_time)); - } - - /* - * Send accept reply to vpp - */ - 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); - - session->bytes_received = 0; - session->start = clib_time_now (&em->clib_time); -} - -static void -session_connected_handler (session_connected_msg_t * mp) -{ - echo_main_t *em = &echo_main; - echo_session_t *session; - u32 session_index; - svm_fifo_t *rx_fifo, *tx_fifo; - int rv; - - if (mp->retval) - { - clib_warning ("connection failed with code: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - /* - * Setup session - */ - - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - session_index = session - em->sessions; - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = 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 *); - - hash_set (em->session_index_by_vpp_handles, mp->handle, session_index); - - /* - * Start RX thread - */ - em->thread_args[em->n_clients_connected] = session_index; - rv = pthread_create (&em->client_thread_handles[em->n_clients_connected], - NULL /*attr */ , client_thread_fn, - (void *) &em->thread_args[em->n_clients_connected]); - if (rv) - { - clib_warning ("pthread_create returned %d", rv); - return; - } - - em->n_clients_connected += 1; - clib_warning ("session %u (0x%llx) connected with local ip %U port %d", - session_index, mp->handle, format_ip46_address, &mp->lcl.ip, - mp->lcl.is_ip4, clib_net_to_host_u16 (mp->lcl.port)); -} - -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 *session = 0; - uword *p; - int rv = 0; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - if (!p) - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - session = pool_elt_at_index (em->sessions, p[0]); - hash_unset (em->session_index_by_vpp_handles, mp->handle); - pool_put (em->sessions, session); - - app_alloc_ctrl_evt_to_vpp (session->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 (session->vpp_evt_q, app_evt); - - session_print_stats (em, session); -} - -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 *session = 0; - uword *p; - int rv = 0; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - - if (p) - { - session = pool_elt_at_index (em->sessions, p[0]); - clib_warning ("got reset"); - /* Cleanup later */ - em->time_to_stop = 1; - } - else - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - app_alloc_ctrl_evt_to_vpp (session->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 (session->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; - default: - clib_warning ("unhandled %u", e->event_type); - } -} - -static void -clients_run (echo_main_t * em) -{ - f64 start_time, deltat, timeout = 100.0; - svm_msg_q_msg_t msg; - session_event_t *e; - echo_session_t *s; - int i; - - /* Init test data */ - vec_validate (em->connect_test_data, 1024 * 1024 - 1); - for (i = 0; i < vec_len (em->connect_test_data); i++) - em->connect_test_data[i] = i & 0xff; - - /* - * Attach and connect the clients - */ - if (application_attach (em)) - return; - - for (i = 0; i < em->n_clients; i++) - client_send_connect (em); - - start_time = clib_time_now (&em->clib_time); - while (em->n_clients_connected < em->n_clients - && (clib_time_now (&em->clib_time) - start_time < timeout) - && em->state != STATE_FAILED) - - { - svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0); - 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 (em->n_clients_connected != em->n_clients) - { - clib_warning ("failed to initialize all connections"); - return; - } - - /* - * Initialize connections - */ - for (i = 0; i < em->n_clients; i++) - { - s = pool_elt_at_index (em->sessions, i); - s->bytes_to_send = em->bytes_to_send; - if (!em->no_return) - s->bytes_to_receive = em->bytes_to_send; - } - em->n_active_clients = em->n_clients_connected; - - /* - * Wait for client threads to send the data - */ - start_time = clib_time_now (&em->clib_time); - em->state = STATE_READY; - while (em->n_active_clients) - if (!svm_msg_q_is_empty (em->our_event_queue)) - { - if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0)) - { - clib_warning ("svm msg q returned"); - continue; - } - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - if (e->event_type != SESSION_IO_EVT_RX) - handle_mq_event (e); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - - for (i = 0; i < em->n_clients; i++) - { - s = pool_elt_at_index (em->sessions, i); - client_disconnect (em, s); - } - - /* - * Stats and detach - */ - deltat = clib_time_now (&em->clib_time) - start_time; - fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n", - em->tx_total, em->tx_total / (1ULL << 20), - em->tx_total / (1ULL << 30), deltat); - fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9); - - application_detach (em); -} - -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) - { - clib_warning ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - em->state = STATE_READY; -} - -static void -vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval != 0) - clib_warning ("returned %d", ntohl (mp->retval)); - - em->state = STATE_START; -} - -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 void -server_handle_rx (echo_main_t * em, session_event_t * e) -{ - int n_read, max_dequeue, n_sent; - u32 offset, to_dequeue; - echo_session_t *s; - - s = pool_elt_at_index (em->sessions, e->session_index); - - /* Clear event only once. Otherwise, if we do it in the loop by calling - * app_recv_stream, we may end up with a lot of unhandled rx events on the - * message queue */ - svm_fifo_unset_event (s->rx_fifo); - - max_dequeue = svm_fifo_max_dequeue_cons (s->rx_fifo); - if (PREDICT_FALSE (!max_dequeue)) - return; - - do - { - /* The options here are to limit ourselves to max_dequeue or read - * even the data that was enqueued while we were dequeueing and which - * now has an rx event in the mq. Either of the two work. */ - to_dequeue = clib_min (max_dequeue, vec_len (em->rx_buf)); - n_read = app_recv_stream_raw (s->rx_fifo, em->rx_buf, to_dequeue, - 0 /* clear evt */ , 0 /* peek */ ); - if (n_read > 0) - { - max_dequeue -= n_read; - s->bytes_received += n_read; - } - else - break; - - /* Reflect if a non-drop session */ - if (!em->no_return && n_read > 0) - { - offset = 0; - do - { - n_sent = app_send_stream ((app_session_t *) s, - &em->rx_buf[offset], - n_read, SVM_Q_WAIT); - if (n_sent > 0) - { - n_read -= n_sent; - offset += n_sent; - } - } - while ((n_sent <= 0 || n_read > 0) && !em->time_to_stop); - } - } - while (max_dequeue > 0 && !em->time_to_stop); -} - -static void -server_handle_mq (echo_main_t * em) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - - while (1) - { - svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0); - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - switch (e->event_type) - { - case SESSION_IO_EVT_RX: - server_handle_rx (em, e); - break; - default: - handle_mq_event (e); - break; - } - if (PREDICT_FALSE (em->time_to_stop == 1)) - break; - if (PREDICT_FALSE (em->time_to_print_stats == 1)) - { - em->time_to_print_stats = 0; - fformat (stdout, "%d connections\n", pool_elts (em->sessions)); - } - svm_msg_q_free_msg (em->our_event_queue, &msg); - } -} - -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); -} - -int -server_listen (echo_main_t * em) -{ - server_send_listen (em); - if (wait_for_state_change (em, STATE_READY)) - { - clib_warning ("timeout waiting for STATE_READY"); - return -1; - } - return 0; -} - -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); -} - -int -server_unbind (echo_main_t * em) -{ - server_send_unbind (em); - if (wait_for_state_change (em, STATE_START)) - { - clib_warning ("timeout waiting for STATE_START"); - return -1; - } - return 0; -} - -void -server_run (echo_main_t * em) -{ - echo_session_t *session; - int i; - - /* $$$$ hack preallocation */ - for (i = 0; i < 200000; i++) - { - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - } - for (i = 0; i < 200000; i++) - pool_put_index (em->sessions, i); - - if (application_attach (em)) - return; - - /* Bind to uri */ - if (server_listen (em)) - return; - - /* Enter handle event loop */ - server_handle_mq (em); - - /* Cleanup */ - server_send_unbind (em); - - application_detach (em); - - fformat (stdout, "Test complete...\n"); -} - -static void -vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - uword *p; - - if (mp->retval) - { - clib_warning ("vpp complained about disconnect: %d", - ntohl (mp->retval)); - return; - } - - em->state = STATE_START; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - if (p) - { - hash_unset (em->session_index_by_vpp_handles, mp->handle); - } - else - { - clib_warning ("couldn't find session key %llx", mp->handle); - } -} - -static void - vl_api_application_tls_cert_add_reply_t_handler - (vl_api_application_tls_cert_add_reply_t * mp) -{ - if (mp->retval) - clib_warning ("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) - clib_warning ("failed to add tls key"); -} - -#define foreach_tcp_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) \ -_(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \ -_(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \ - -void -tcp_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_tcp_echo_msg; -#undef _ -} - -int -main (int argc, char **argv) -{ - int i_am_server = 1, test_return_packets = 0; - echo_main_t *em = &echo_main; - fifo_segment_main_t *sm = &em->segment_main; - unformat_input_t _argv, *a = &_argv; - u8 *chroot_prefix; - u8 *uri = 0; - u8 *bind_uri = (u8 *) "tcp://0.0.0.0/1234"; - u8 *connect_uri = (u8 *) "tcp://6.0.1.1/1234"; - u64 bytes_to_send = 64 << 10, mbytes; - char *app_name; - u32 tmp; - - 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)); - em->my_pid = getpid (); - em->configured_segment_size = 1 << 20; - em->socket_name = 0; - em->use_sock_api = 1; - em->fifo_size = 64 << 10; - em->n_clients = 1; - - clib_time_init (&em->clib_time); - init_error_string_table (em); - fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20); - 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)) - ; - else if (unformat (a, "segment-size %dM", &tmp)) - em->configured_segment_size = tmp << 20; - else if (unformat (a, "segment-size %dG", &tmp)) - em->configured_segment_size = tmp << 30; - else if (unformat (a, "server")) - i_am_server = 1; - else if (unformat (a, "client")) - i_am_server = 0; - else if (unformat (a, "no-return")) - em->no_return = 1; - else if (unformat (a, "test")) - test_return_packets = 1; - else if (unformat (a, "mbytes %lld", &mbytes)) - { - bytes_to_send = mbytes << 20; - } - else if (unformat (a, "gbytes %lld", &mbytes)) - { - bytes_to_send = mbytes << 30; - } - 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, "nclients %d", &em->n_clients)) - ; - else - { - fformat (stderr, "%s: usage [master|slave]\n", argv[0]); - exit (1); - } - } - - if (!em->socket_name) - em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0); - - if (uri) - { - em->uri = format (0, "%s%c", uri, 0); - em->connect_uri = format (0, "%s%c", uri, 0); - } - else - { - em->uri = format (0, "%s%c", bind_uri, 0); - em->connect_uri = format (0, "%s%c", connect_uri, 0); - } - - em->i_am_master = i_am_server; - em->test_return_packets = test_return_packets; - em->bytes_to_send = bytes_to_send; - em->time_to_stop = 0; - vec_validate (em->rx_buf, 4 << 20); - vec_validate (em->client_thread_handles, em->n_clients - 1); - vec_validate (em->thread_args, em->n_clients - 1); - - setup_signal_handlers (); - tcp_echo_api_hookup (em); - - app_name = i_am_server ? "tcp_echo_server" : "tcp_echo_client"; - if (connect_to_vpp (app_name) < 0) - { - svm_region_exit (); - fformat (stderr, "Couldn't connect to vpe, exiting...\n"); - exit (1); - } - - if (i_am_server == 0) - clients_run (em); - else - server_run (em); - - /* Make sure detach finishes */ - wait_for_state_change (em, STATE_DETACHED); - - disconnect_from_vpp (em); - exit (0); -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |