X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Fbuiltin_client.c;h=2784591731eb39ffd9ceee7921af39216b3b5378;hb=b384b543313b6b47a277c903e9d4fcd4343054fa;hp=83cdbc1be6d48f79ea6aba210176ca6fd4e3a056;hpb=45ce3fbee5c1a7ad2a01f766c9b05059aa467b8f;p=vpp.git diff --git a/src/vnet/tcp/builtin_client.c b/src/vnet/tcp/builtin_client.c index 83cdbc1be6d..2784591731e 100644 --- a/src/vnet/tcp/builtin_client.c +++ b/src/vnet/tcp/builtin_client.c @@ -21,27 +21,29 @@ #include #include -#include #include -/* define message IDs */ -#include +tclient_main_t tclient_main; -/* define message structures */ -#define vl_typedefs -#include -#undef vl_typedefs +#define TCP_BUILTIN_CLIENT_DBG (0) -/* define generated endian-swappers */ -#define vl_endianfun -#include -#undef vl_endianfun +static void +signal_evt_to_cli_i (int *code) +{ + tclient_main_t *tm = &tclient_main; + ASSERT (vlib_get_thread_index () == 0); + vlib_process_signal_event (tm->vlib_main, tm->cli_node_index, *code, 0); +} -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) -#define vl_printfun -#include -#undef vl_printfun +static void +signal_evt_to_cli (int code) +{ + if (vlib_get_thread_index () != 0) + vl_api_rpc_call_main_thread (signal_evt_to_cli_i, (u8 *) & code, + sizeof (code)); + else + signal_evt_to_cli_i (&code); +} static void send_test_chunk (tclient_main_t * tm, session_t * s) @@ -50,37 +52,58 @@ send_test_chunk (tclient_main_t * tm, session_t * s) int test_buf_offset; u32 bytes_this_chunk; session_fifo_event_t evt; - static int serial_number = 0; + svm_fifo_t *txf; int rv; - while (s->bytes_to_send > 0) - { + ASSERT (vec_len (test_data) > 0); - test_buf_offset = s->bytes_sent % vec_len (test_data); - bytes_this_chunk = vec_len (test_data) - test_buf_offset; + test_buf_offset = s->bytes_sent % vec_len (test_data); + bytes_this_chunk = vec_len (test_data) - test_buf_offset; - bytes_this_chunk = bytes_this_chunk < s->bytes_to_send - ? bytes_this_chunk : s->bytes_to_send; + bytes_this_chunk = bytes_this_chunk < s->bytes_to_send + ? bytes_this_chunk : s->bytes_to_send; - rv = svm_fifo_enqueue_nowait (s->server_tx_fifo, 0 /*pid */ , - bytes_this_chunk, - test_data + test_buf_offset); + txf = s->server_tx_fifo; + rv = svm_fifo_enqueue_nowait (txf, bytes_this_chunk, + test_data + test_buf_offset); - if (rv > 0) - { - s->bytes_to_send -= rv; - s->bytes_sent += rv; + /* If we managed to enqueue data... */ + if (rv > 0) + { + /* Account for it... */ + s->bytes_to_send -= rv; + s->bytes_sent += rv; - if (svm_fifo_set_event (s->server_tx_fifo)) - { - /* Fabricate TX event, send to vpp */ - evt.fifo = s->server_tx_fifo; - evt.event_type = FIFO_EVENT_SERVER_TX; - evt.event_id = serial_number++; + if (TCP_BUILTIN_CLIENT_DBG) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "tx-enq: xfer %d bytes, sent %u remain %u", + .format_args = "i4i4i4", + }; + /* *INDENT-ON* */ + struct + { + u32 data[3]; + } *ed; + ed = ELOG_DATA (&vlib_global_main.elog_main, e); + ed->data[0] = rv; + ed->data[1] = s->bytes_sent; + ed->data[2] = s->bytes_to_send; + } - unix_shared_memory_queue_add (tm->vpp_event_queue, (u8 *) & evt, - 0 /* do wait for mutex */ ); - } + /* Poke the session layer */ + if (svm_fifo_set_event (txf)) + { + /* Fabricate TX event, send to vpp */ + evt.fifo = txf; + evt.event_type = FIFO_EVENT_APP_TX; + + if (svm_queue_add + (tm->vpp_event_queue[txf->master_thread_index], (u8 *) & evt, + 0 /* do wait for mutex */ )) + clib_warning ("could not enqueue event"); } } } @@ -89,323 +112,704 @@ static void receive_test_chunk (tclient_main_t * tm, session_t * s) { svm_fifo_t *rx_fifo = s->server_rx_fifo; - int n_read, bytes, i; + u32 my_thread_index = vlib_get_thread_index (); + int n_read, i; - bytes = svm_fifo_max_dequeue (rx_fifo); /* Allow enqueuing of new event */ - svm_fifo_unset_event (rx_fifo); + // svm_fifo_unset_event (rx_fifo); + + if (tm->test_bytes) + { + n_read = svm_fifo_dequeue_nowait (rx_fifo, + vec_len (tm->rx_buf[my_thread_index]), + tm->rx_buf[my_thread_index]); + } + else + { + n_read = svm_fifo_max_dequeue (rx_fifo); + svm_fifo_dequeue_drop (rx_fifo, n_read); + } - /* Read the bytes */ - do + if (n_read > 0) { - n_read = svm_fifo_dequeue_nowait (rx_fifo, 0, vec_len (tm->rx_buf), - tm->rx_buf); - if (n_read > 0) + if (TCP_BUILTIN_CLIENT_DBG) + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { + .format = "rx-deq: %d bytes", + .format_args = "i4", + }; + /* *INDENT-ON* */ + struct + { + u32 data[1]; + } *ed; + ed = ELOG_DATA (&vlib_global_main.elog_main, e); + ed->data[0] = n_read; + } + + if (tm->test_bytes) { - bytes -= n_read; for (i = 0; i < n_read; i++) { - if (tm->rx_buf[i] != ((s->bytes_received + i) & 0xff)) + if (tm->rx_buf[my_thread_index][i] + != ((s->bytes_received + i) & 0xff)) { clib_warning ("read %d error at byte %lld, 0x%x not 0x%x", n_read, s->bytes_received + i, - tm->rx_buf[i], + tm->rx_buf[my_thread_index][i], ((s->bytes_received + i) & 0xff)); + tm->test_failed = 1; } } - s->bytes_to_receive -= n_read; - s->bytes_received += n_read; } - + s->bytes_to_receive -= n_read; + s->bytes_received += n_read; } - while (n_read < 0 || bytes > 0); } -static void * -tclient_thread_fn (void *arg) +static uword +builtin_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, + vlib_frame_t * frame) { tclient_main_t *tm = &tclient_main; - vl_api_disconnect_session_t *dmp; + int my_thread_index = vlib_get_thread_index (); session_t *sp; - struct timespec ts, tsrem; int i; - int try_tx, try_rx; - u32 *session_indices = 0; - - /* stats thread wants no signals. */ - { - sigset_t s; - sigfillset (&s); - pthread_sigmask (SIG_SETMASK, &s, 0); - } + int delete_session; + u32 *connection_indices; + u32 *connections_this_batch; + u32 nconnections_this_batch; + + connection_indices = tm->connection_index_by_thread[my_thread_index]; + connections_this_batch = + tm->connections_this_batch_by_thread[my_thread_index]; + + if ((tm->run_test == 0) || + ((vec_len (connection_indices) == 0) + && vec_len (connections_this_batch) == 0)) + return 0; + + /* Grab another pile of connections */ + if (PREDICT_FALSE (vec_len (connections_this_batch) == 0)) + { + nconnections_this_batch = + clib_min (tm->connections_per_batch, vec_len (connection_indices)); + + ASSERT (nconnections_this_batch > 0); + vec_validate (connections_this_batch, nconnections_this_batch - 1); + clib_memcpy (connections_this_batch, + connection_indices + vec_len (connection_indices) + - nconnections_this_batch, + nconnections_this_batch * sizeof (u32)); + _vec_len (connection_indices) -= nconnections_this_batch; + } - while (1) + if (PREDICT_FALSE (tm->prev_conns != tm->connections_per_batch + && tm->prev_conns == vec_len (connections_this_batch))) { - /* Wait until we're told to get busy */ - while (tm->run_test == 0 - || (tm->ready_connections != tm->expected_connections)) + tm->repeats++; + tm->prev_conns = vec_len (connections_this_batch); + if (tm->repeats == 500000) { - ts.tv_sec = 0; - ts.tv_nsec = 100000000; - while (nanosleep (&ts, &tsrem) < 0) - ts = tsrem; + clib_warning ("stuck clients"); } - tm->run_test = 0; + } + else + { + tm->prev_conns = vec_len (connections_this_batch); + tm->repeats = 0; + } + + for (i = 0; i < vec_len (connections_this_batch); i++) + { + delete_session = 1; - clib_warning ("Run %d iterations", tm->n_iterations); + sp = pool_elt_at_index (tm->sessions, connections_this_batch[i]); - for (i = 0; i < tm->n_iterations; i++) + if (sp->bytes_to_send > 0) + { + send_test_chunk (tm, sp); + delete_session = 0; + } + if (sp->bytes_to_receive > 0) + { + receive_test_chunk (tm, sp); + delete_session = 0; + } + if (PREDICT_FALSE (delete_session == 1)) { - session_t *sp; + u32 index, thread_index; + stream_session_t *s; + + __sync_fetch_and_add (&tm->tx_total, sp->bytes_sent); + __sync_fetch_and_add (&tm->rx_total, sp->bytes_received); + + session_parse_handle (sp->vpp_session_handle, + &index, &thread_index); + s = session_get_if_valid (index, thread_index); - do + if (s) { - try_tx = try_rx = 0; - - /* *INDENT-OFF* */ - pool_foreach (sp, tm->sessions, ({ - if (sp->bytes_to_send > 0) - { - send_test_chunk (tm, sp); - try_tx = 1; - } - })); - pool_foreach (sp, tm->sessions, ({ - if (sp->bytes_to_receive > 0) - { - receive_test_chunk (tm, sp); - try_rx = 1; - } - })); - /* *INDENT-ON* */ + vnet_disconnect_args_t _a, *a = &_a; + a->handle = session_handle (s); + a->app_index = tm->app_index; + vnet_disconnect_session (a); + + vec_delete (connections_this_batch, 1, i); + i--; + __sync_fetch_and_add (&tm->ready_connections, -1); + } + else + clib_warning ("session AWOL?"); + /* Kick the debug CLI process */ + if (tm->ready_connections == 0) + { + signal_evt_to_cli (2); } - while (try_tx || try_rx); - } - clib_warning ("Done %d iterations", tm->n_iterations); - - /* Disconnect sessions... */ - vec_reset_length (session_indices); - pool_foreach (sp, tm->sessions, ( - { - vec_add1 (session_indices, - sp - tm->sessions); - } - )); - - for (i = 0; i < vec_len (session_indices); i++) - { - sp = pool_elt_at_index (tm->sessions, session_indices[i]); - dmp = vl_msg_api_alloc_as_if_client (sizeof (*dmp)); - memset (dmp, 0, sizeof (*dmp)); - dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION); - dmp->client_index = tm->my_client_index; - dmp->session_index = sp->vpp_session_index; - dmp->session_thread_index = sp->vpp_session_thread; - vl_msg_api_send_shmem (tm->vl_input_queue, (u8 *) & dmp); - pool_put (tm->sessions, sp); } } - /* NOTREACHED */ + + tm->connection_index_by_thread[my_thread_index] = connection_indices; + tm->connections_this_batch_by_thread[my_thread_index] = + connections_this_batch; return 0; } -/* So we don't get "no handler for... " msgs */ -static void -vl_api_memclnt_create_reply_t_handler (vl_api_memclnt_create_reply_t * mp) +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (builtin_client_node) = +{ + .function = builtin_client_node_fn, + .name = "builtin-tcp-client", + .type = VLIB_NODE_TYPE_INPUT, + .state = VLIB_NODE_STATE_DISABLED, +}; +/* *INDENT-ON* */ + +static int +create_api_loopback (tclient_main_t * tm) +{ + api_main_t *am = &api_main; + vl_shmem_hdr_t *shmem_hdr; + + shmem_hdr = am->shmem_hdr; + tm->vl_input_queue = shmem_hdr->vl_input_queue; + tm->my_client_index = vl_api_memclnt_create_internal ("tcp_test_client", + tm->vl_input_queue); + return 0; +} + +static int +tcp_test_clients_init (vlib_main_t * vm) { tclient_main_t *tm = &tclient_main; + vlib_thread_main_t *vtm = vlib_get_thread_main (); + u32 num_threads; + int i; + + if (create_api_loopback (tm)) + return -1; + + num_threads = 1 /* main thread */ + vtm->n_threads; + + /* Init test data. Big buffer */ + vec_validate (tm->connect_test_data, 1024 * 1024 - 1); + for (i = 0; i < vec_len (tm->connect_test_data); i++) + tm->connect_test_data[i] = i & 0xff; - tm->my_client_index = mp->index; + vec_validate (tm->rx_buf, num_threads - 1); + for (i = 0; i < num_threads; i++) + vec_validate (tm->rx_buf[i], vec_len (tm->connect_test_data) - 1); + + tm->is_init = 1; + + vec_validate (tm->connection_index_by_thread, vtm->n_vlib_mains); + vec_validate (tm->connections_this_batch_by_thread, vtm->n_vlib_mains); + vec_validate (tm->vpp_event_queue, vtm->n_vlib_mains); + + return 0; } -static void -vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp) +static int +builtin_session_connected_callback (u32 app_index, u32 api_context, + stream_session_t * s, u8 is_fail) { tclient_main_t *tm = &tclient_main; session_t *session; u32 session_index; - u64 key; - i32 retval = /* clib_net_to_host_u32 ( */ mp->retval /*) */ ; + u8 thread_index = vlib_get_thread_index (); - if (retval < 0) + if (is_fail) { - clib_warning ("connection failed: retval %d", retval); - return; + clib_warning ("connection %d failed!", api_context); + signal_evt_to_cli (-1); + return 0; } - tm->our_event_queue = (unix_shared_memory_queue_t *) - mp->vpp_event_queue_address; + ASSERT (s->thread_index == thread_index); - tm->vpp_event_queue = (unix_shared_memory_queue_t *) - mp->vpp_event_queue_address; + if (!tm->vpp_event_queue[thread_index]) + tm->vpp_event_queue[thread_index] = + session_manager_get_vpp_event_queue (thread_index); /* * Setup session */ + clib_spinlock_lock_if_init (&tm->sessions_lock); pool_get (tm->sessions, session); + clib_spinlock_unlock_if_init (&tm->sessions_lock); + memset (session, 0, sizeof (*session)); session_index = session - tm->sessions; - session->bytes_to_receive = session->bytes_to_send = tm->bytes_to_send; - - session->server_rx_fifo = (svm_fifo_t *) mp->server_rx_fifo; + session->bytes_to_send = tm->bytes_to_send; + session->bytes_to_receive = tm->no_return ? 0ULL : tm->bytes_to_send; + session->server_rx_fifo = s->server_rx_fifo; session->server_rx_fifo->client_session_index = session_index; - session->server_tx_fifo = (svm_fifo_t *) mp->server_tx_fifo; + session->server_tx_fifo = s->server_tx_fifo; session->server_tx_fifo->client_session_index = session_index; + session->vpp_session_handle = session_handle (s); - session->vpp_session_index = mp->session_index; - session->vpp_session_thread = mp->session_thread_index; - - /* Add it to the session lookup table */ - key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index; - hash_set (tm->session_index_by_vpp_handles, key, session_index); + vec_add1 (tm->connection_index_by_thread[thread_index], session_index); + __sync_fetch_and_add (&tm->ready_connections, 1); + if (tm->ready_connections == tm->expected_connections) + { + tm->run_test = 1; + /* Signal the CLI process that the action is starting... */ + signal_evt_to_cli (1); + } - tm->ready_connections++; + return 0; } static void -create_api_loopback (tclient_main_t * tm) +builtin_session_reset_callback (stream_session_t * s) { - vl_api_memclnt_create_t _m, *mp = &_m; - extern void vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t *); - api_main_t *am = &api_main; - vl_shmem_hdr_t *shmem_hdr; + if (s->session_state == SESSION_STATE_READY) + clib_warning ("Reset active connection %U", format_stream_session, s, 2); + stream_session_cleanup (s); + return; +} - /* - * Create a "loopback" API client connection - * Don't do things like this unless you know what you're doing... - */ +static int +builtin_session_create_callback (stream_session_t * s) +{ + return 0; +} - shmem_hdr = am->shmem_hdr; - tm->vl_input_queue = shmem_hdr->vl_input_queue; - memset (mp, 0, sizeof (*mp)); - mp->_vl_msg_id = VL_API_MEMCLNT_CREATE; - mp->context = 0xFEEDFACE; - mp->input_queue = (u64) tm->vl_input_queue; - strncpy ((char *) mp->name, "tcp_tester", sizeof (mp->name) - 1); +static void +builtin_session_disconnect_callback (stream_session_t * s) +{ + tclient_main_t *tm = &tclient_main; + vnet_disconnect_args_t _a, *a = &_a; + a->handle = session_handle (s); + a->app_index = tm->app_index; + vnet_disconnect_session (a); + return; +} - vl_api_memclnt_create_t_handler (mp); +static int +builtin_server_rx_callback (stream_session_t * s) +{ + return 0; } -#define foreach_tclient_static_api_msg \ -_(MEMCLNT_CREATE_REPLY, memclnt_create_reply) \ -_(CONNECT_URI_REPLY, connect_uri_reply) +/* *INDENT-OFF* */ +static session_cb_vft_t builtin_clients = { + .session_reset_callback = builtin_session_reset_callback, + .session_connected_callback = builtin_session_connected_callback, + .session_accept_callback = builtin_session_create_callback, + .session_disconnect_callback = builtin_session_disconnect_callback, + .builtin_server_rx_callback = builtin_server_rx_callback +}; +/* *INDENT-ON* */ static clib_error_t * -tclient_api_hookup (vlib_main_t * vm) +attach_builtin_test_clients_app (u8 * appns_id, u64 appns_flags, + u64 appns_secret) { + u32 prealloc_fifos, segment_size = 2 << 20; tclient_main_t *tm = &tclient_main; - vl_msg_api_msg_config_t _c, *c = &_c; + vnet_app_attach_args_t _a, *a = &_a; + u64 options[16]; + clib_error_t *error = 0; + + memset (a, 0, sizeof (*a)); + memset (options, 0, sizeof (options)); + + a->api_client_index = tm->my_client_index; + a->session_cb_vft = &builtin_clients; + + prealloc_fifos = tm->prealloc_fifos ? tm->expected_connections : 1; + + if (tm->private_segment_size) + segment_size = tm->private_segment_size; + + options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678; + options[APP_OPTIONS_SEGMENT_SIZE] = segment_size; + options[APP_OPTIONS_RX_FIFO_SIZE] = tm->fifo_size; + options[APP_OPTIONS_TX_FIFO_SIZE] = tm->fifo_size; + options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = tm->private_segment_count; + options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos; + + options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; + if (appns_id) + { + options[APP_OPTIONS_FLAGS] |= appns_flags; + options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret; + } + a->options = options; + a->namespace_id = appns_id; + + if ((error = vnet_application_attach (a))) + return error; + + tm->app_index = a->app_index; + return 0; +} + +static void * +tclient_thread_fn (void *arg) +{ + return 0; +} + +/** Start a transmit thread */ +int +start_tx_pthread (tclient_main_t * tm) +{ + if (tm->client_thread_handle == 0) + { + int rv = pthread_create (&tm->client_thread_handle, + NULL /*attr */ , + tclient_thread_fn, 0); + if (rv) + { + tm->client_thread_handle = 0; + return -1; + } + } + return 0; +} + +clib_error_t * +clients_connect (vlib_main_t * vm, u8 * uri, u32 n_clients) +{ + tclient_main_t *tm = &tclient_main; + vnet_connect_args_t _a, *a = &_a; + clib_error_t *error = 0; int i; + for (i = 0; i < n_clients; i++) + { + memset (a, 0, sizeof (*a)); - /* Init test data */ - vec_validate (tm->connect_test_data, 64 * 1024 - 1); - for (i = 0; i < vec_len (tm->connect_test_data); i++) - tm->connect_test_data[i] = i & 0xff; + a->uri = (char *) uri; + a->api_context = i; + a->app_index = tm->app_index; + a->mp = 0; + + if ((error = vnet_connect_uri (a))) + return error; - tm->session_index_by_vpp_handles = hash_create (0, sizeof (uword)); - vec_validate (tm->rx_buf, vec_len (tm->connect_test_data) - 1); - - /* Hook up client-side static APIs to our handlers */ -#define _(N,n) do { \ - c->id = VL_API_##N; \ - c->name = #n; \ - c->handler = vl_api_##n##_t_handler; \ - c->cleanup = vl_noop_handler; \ - c->endian = vl_api_##n##_t_endian; \ - c->print = vl_api_##n##_t_print; \ - c->size = sizeof(vl_api_##n##_t); \ - c->traced = 1; /* trace, so these msgs print */ \ - c->replay = 0; /* don't replay client create/delete msgs */ \ - c->message_bounce = 0; /* don't bounce this message */ \ - vl_msg_api_config(c);} while (0); - - foreach_tclient_static_api_msg; -#undef _ + /* Crude pacing for call setups */ + if ((i % 4) == 0) + vlib_process_suspend (vm, 10e-6); + ASSERT (i + 1 >= tm->ready_connections); + while (i + 1 - tm->ready_connections > 1000) + { + vlib_process_suspend (vm, 100e-6); + } + } return 0; } -VLIB_API_INIT_FUNCTION (tclient_api_hookup); +#define CLI_OUTPUT(_fmt, _args...) \ + if (!tm->no_output) \ + vlib_cli_output(vm, _fmt, ##_args) static clib_error_t * test_tcp_clients_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { - u8 *connect_uri = (u8 *) "tcp://6.0.1.2/1234"; - u8 *uri; tclient_main_t *tm = &tclient_main; - int i; + vlib_thread_main_t *thread_main = vlib_get_thread_main (); + uword *event_data = 0, event_type; + u8 *default_connect_uri = (u8 *) "tcp://6.0.1.1/1234", *uri, *appns_id = 0; + u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0; + f64 test_timeout = 20.0, syn_timeout = 20.0, delta; + f64 time_before_connects; u32 n_clients = 1; + int preallocate_sessions = 0; + char *transfer_type; + clib_error_t *error = 0; + int i; tm->bytes_to_send = 8192; - tm->n_iterations = 1; + tm->no_return = 0; + tm->fifo_size = 64 << 10; + tm->connections_per_batch = 1000; + tm->private_segment_count = 0; + tm->private_segment_size = 0; + tm->no_output = 0; + tm->test_bytes = 0; + tm->test_failed = 0; + tm->vlib_main = vm; + if (thread_main->n_vlib_mains > 1) + clib_spinlock_init (&tm->sessions_lock); vec_free (tm->connect_uri); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "nclients %d", &n_clients)) ; - else if (unformat (input, "iterations %d", &tm->n_iterations)) - ; - else if (unformat (input, "bytes %d", &tm->bytes_to_send)) + else if (unformat (input, "mbytes %lld", &tmp)) + tm->bytes_to_send = tmp << 20; + else if (unformat (input, "gbytes %lld", &tmp)) + tm->bytes_to_send = tmp << 30; + else if (unformat (input, "bytes %lld", &tm->bytes_to_send)) ; else if (unformat (input, "uri %s", &tm->connect_uri)) ; + else if (unformat (input, "test-timeout %f", &test_timeout)) + ; + else if (unformat (input, "syn-timeout %f", &syn_timeout)) + ; + else if (unformat (input, "no-return")) + tm->no_return = 1; + else if (unformat (input, "fifo-size %d", &tm->fifo_size)) + tm->fifo_size <<= 10; + else if (unformat (input, "private-segment-count %d", + &tm->private_segment_count)) + ; + else if (unformat (input, "private-segment-size %U", + unformat_memory_size, &tmp)) + { + if (tmp >= 0x100000000ULL) + return clib_error_return + (0, "private segment size %lld (%llu) too large", tmp, tmp); + tm->private_segment_size = tmp; + } + else if (unformat (input, "preallocate-fifos")) + tm->prealloc_fifos = 1; + else if (unformat (input, "preallocate-sessions")) + preallocate_sessions = 1; + else + if (unformat (input, "client-batch %d", &tm->connections_per_batch)) + ; + else if (unformat (input, "appns %_%v%_", &appns_id)) + ; + else if (unformat (input, "all-scope")) + appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE + | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE); + else if (unformat (input, "local-scope")) + appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; + else if (unformat (input, "global-scope")) + appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; + else if (unformat (input, "secret %lu", &appns_secret)) + ; + else if (unformat (input, "no-output")) + tm->no_output = 1; + else if (unformat (input, "test-bytes")) + tm->test_bytes = 1; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } + /* Store cli process node index for signalling */ + tm->cli_node_index = vlib_get_current_process (vm)->node_runtime.node_index; + + if (tm->is_init == 0) + { + if (tcp_test_clients_init (vm)) + return clib_error_return (0, "failed init"); + } + + tm->ready_connections = 0; tm->expected_connections = n_clients; - uri = connect_uri; + tm->rx_total = 0; + tm->tx_total = 0; + + uri = default_connect_uri; if (tm->connect_uri) uri = tm->connect_uri; - create_api_loopback (tm); +#if TCP_BUILTIN_CLIENT_PTHREAD + start_tx_pthread (); +#endif - /* Start a transmit thread */ - if (tm->client_thread_handle == 0) + vlib_worker_thread_barrier_sync (vm); + vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ ); + vlib_worker_thread_barrier_release (vm); + + if (tm->test_client_attached == 0) { - int rv = pthread_create (&tm->client_thread_handle, - NULL /*attr */ , tclient_thread_fn, 0); - if (rv) + if ((error = attach_builtin_test_clients_app (appns_id, appns_flags, + appns_secret))) { - tm->client_thread_handle = 0; - return clib_error_return (0, "pthread_create returned %d", rv); + vec_free (appns_id); + clib_error_report (error); + return error; } + vec_free (appns_id); } + tm->test_client_attached = 1; - /* Fire off connect requests, in something approaching a normal manner */ - for (i = 0; i < n_clients; i++) + /* Turn on the builtin client input nodes */ + for (i = 0; i < thread_main->n_vlib_mains; i++) + vlib_node_set_state (vlib_mains[i], builtin_client_node.index, + VLIB_NODE_STATE_POLLING); + + if (preallocate_sessions) { - vl_api_connect_uri_t *cmp; - cmp = vl_msg_api_alloc_as_if_client (sizeof (*cmp)); - memset (cmp, 0, sizeof (*cmp)); - - cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI); - cmp->client_index = tm->my_client_index; - cmp->context = ntohl (0xfeedface); - memcpy (cmp->uri, uri, strlen ((char *) uri) + 1); - vl_msg_api_send_shmem (tm->vl_input_queue, (u8 *) & cmp); + session_t *sp __attribute__ ((unused)); + for (i = 0; i < n_clients; i++) + pool_get (tm->sessions, sp); + for (i = 0; i < n_clients; i++) + pool_put_index (tm->sessions, i); } - tm->run_test = 1; + /* Fire off connect requests */ + time_before_connects = vlib_time_now (vm); + if ((error = clients_connect (vm, uri, n_clients))) + return error; - return 0; + /* Park until the sessions come up, or ten seconds elapse... */ + vlib_process_wait_for_event_or_clock (vm, syn_timeout); + event_type = vlib_process_get_events (vm, &event_data); + switch (event_type) + { + case ~0: + CLI_OUTPUT ("Timeout with only %d sessions active...", + tm->ready_connections); + error = clib_error_return (0, "failed: syn timeout with %d sessions", + tm->ready_connections); + goto cleanup; + + case 1: + delta = vlib_time_now (vm) - time_before_connects; + if (delta != 0.0) + CLI_OUTPUT ("%d three-way handshakes in %.2f seconds %.2f/s", + n_clients, delta, ((f64) n_clients) / delta); + + tm->test_start_time = vlib_time_now (tm->vlib_main); + CLI_OUTPUT ("Test started at %.6f", tm->test_start_time); + break; + + default: + CLI_OUTPUT ("unexpected event(1): %d", event_type); + error = clib_error_return (0, "failed: unexpected event(1): %d", + event_type); + goto cleanup; + } + + /* Now wait for the sessions to finish... */ + vlib_process_wait_for_event_or_clock (vm, test_timeout); + event_type = vlib_process_get_events (vm, &event_data); + switch (event_type) + { + case ~0: + CLI_OUTPUT ("Timeout with %d sessions still active...", + tm->ready_connections); + error = clib_error_return (0, "failed: timeout with %d sessions", + tm->ready_connections); + goto cleanup; + + case 2: + tm->test_end_time = vlib_time_now (vm); + CLI_OUTPUT ("Test finished at %.6f", tm->test_end_time); + break; + + default: + CLI_OUTPUT ("unexpected event(2): %d", event_type); + error = clib_error_return (0, "failed: unexpected event(2): %d", + event_type); + goto cleanup; + } + + delta = tm->test_end_time - tm->test_start_time; + + if (delta != 0.0) + { + total_bytes = (tm->no_return ? tm->tx_total : tm->rx_total); + transfer_type = tm->no_return ? "half-duplex" : "full-duplex"; + CLI_OUTPUT ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds", + total_bytes, total_bytes / (1ULL << 20), + total_bytes / (1ULL << 30), delta); + CLI_OUTPUT ("%.2f bytes/second %s", ((f64) total_bytes) / (delta), + transfer_type); + CLI_OUTPUT ("%.4f gbit/second %s", + (((f64) total_bytes * 8.0) / delta / 1e9), transfer_type); + } + else + { + CLI_OUTPUT ("zero delta-t?"); + error = clib_error_return (0, "failed: zero delta-t"); + goto cleanup; + } + + if (tm->test_bytes && tm->test_failed) + error = clib_error_return (0, "failed: test bytes"); + +cleanup: + tm->run_test = 0; + for (i = 0; i < vec_len (tm->connection_index_by_thread); i++) + { + vec_reset_length (tm->connection_index_by_thread[i]); + vec_reset_length (tm->connections_this_batch_by_thread[i]); + } + + pool_free (tm->sessions); + + /* Detach the application, so we can use different fifo sizes next time */ + if (tm->test_client_attached) + { + vnet_app_detach_args_t _da, *da = &_da; + int rv; + + da->app_index = tm->app_index; + rv = vnet_application_detach (da); + if (rv) + { + error = clib_error_return (0, "failed: app detach"); + CLI_OUTPUT ("WARNING: app detach failed..."); + } + tm->test_client_attached = 0; + tm->app_index = ~0; + } + if (error) + CLI_OUTPUT ("test failed"); + return error; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (test_clients_command, static) = { .path = "test tcp clients", - .short_help = "test tcp clients", + .short_help = "test tcp clients [nclients %d] [[m|g]bytes ] " + "[test-timeout