diff options
Diffstat (limited to 'src/vnet/tcp')
| -rw-r--r-- | src/vnet/tcp/builtin_client.c | 819 | ||||
| -rw-r--r-- | src/vnet/tcp/builtin_client.h | 123 | ||||
| -rw-r--r-- | src/vnet/tcp/builtin_http_server.c | 668 | ||||
| -rw-r--r-- | src/vnet/tcp/builtin_proxy.c | 602 | ||||
| -rw-r--r-- | src/vnet/tcp/builtin_proxy.h | 101 | ||||
| -rw-r--r-- | src/vnet/tcp/builtin_server.c | 469 |
6 files changed, 0 insertions, 2782 deletions
diff --git a/src/vnet/tcp/builtin_client.c b/src/vnet/tcp/builtin_client.c deleted file mode 100644 index 2784591731e..00000000000 --- a/src/vnet/tcp/builtin_client.c +++ /dev/null @@ -1,819 +0,0 @@ -/* - * builtin_client.c - vpp built-in tcp client/connect code - * - * Copyright (c) 2017 by 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 <vnet/vnet.h> -#include <vnet/plugin/plugin.h> -#include <vnet/tcp/builtin_client.h> - -#include <vlibapi/api.h> -#include <vlibmemory/api.h> -#include <vpp/app/version.h> - -tclient_main_t tclient_main; - -#define TCP_BUILTIN_CLIENT_DBG (0) - -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); -} - -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) -{ - u8 *test_data = tm->connect_test_data; - int test_buf_offset; - u32 bytes_this_chunk; - session_fifo_event_t evt; - svm_fifo_t *txf; - int rv; - - 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; - - bytes_this_chunk = bytes_this_chunk < s->bytes_to_send - ? bytes_this_chunk : s->bytes_to_send; - - txf = s->server_tx_fifo; - rv = svm_fifo_enqueue_nowait (txf, bytes_this_chunk, - test_data + test_buf_offset); - - /* If we managed to enqueue data... */ - if (rv > 0) - { - /* Account for it... */ - s->bytes_to_send -= rv; - s->bytes_sent += rv; - - 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; - } - - /* 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"); - } - } -} - -static void -receive_test_chunk (tclient_main_t * tm, session_t * s) -{ - svm_fifo_t *rx_fifo = s->server_rx_fifo; - u32 my_thread_index = vlib_get_thread_index (); - int n_read, i; - - /* Allow enqueuing of new event */ - // 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); - } - - 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) - { - for (i = 0; i < n_read; i++) - { - 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[my_thread_index][i], - ((s->bytes_received + i) & 0xff)); - tm->test_failed = 1; - } - } - } - s->bytes_to_receive -= n_read; - s->bytes_received += n_read; - } -} - -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; - int my_thread_index = vlib_get_thread_index (); - session_t *sp; - int i; - 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; - } - - if (PREDICT_FALSE (tm->prev_conns != tm->connections_per_batch - && tm->prev_conns == vec_len (connections_this_batch))) - { - tm->repeats++; - tm->prev_conns = vec_len (connections_this_batch); - if (tm->repeats == 500000) - { - clib_warning ("stuck clients"); - } - } - 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; - - sp = pool_elt_at_index (tm->sessions, connections_this_batch[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)) - { - 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); - - if (s) - { - 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); - } - } - } - - tm->connection_index_by_thread[my_thread_index] = connection_indices; - tm->connections_this_batch_by_thread[my_thread_index] = - connections_this_batch; - return 0; -} - -/* *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; - - 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 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; - u8 thread_index = vlib_get_thread_index (); - - if (is_fail) - { - clib_warning ("connection %d failed!", api_context); - signal_evt_to_cli (-1); - return 0; - } - - ASSERT (s->thread_index == thread_index); - - 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_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 = s->server_tx_fifo; - session->server_tx_fifo->client_session_index = session_index; - session->vpp_session_handle = session_handle (s); - - 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); - } - - return 0; -} - -static void -builtin_session_reset_callback (stream_session_t * s) -{ - if (s->session_state == SESSION_STATE_READY) - clib_warning ("Reset active connection %U", format_stream_session, s, 2); - stream_session_cleanup (s); - return; -} - -static int -builtin_session_create_callback (stream_session_t * s) -{ - return 0; -} - -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; -} - -static int -builtin_server_rx_callback (stream_session_t * s) -{ - return 0; -} - -/* *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 * -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; - 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)); - - 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; - - - /* 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; -} - -#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) -{ - tclient_main_t *tm = &tclient_main; - 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->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, "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; - tm->rx_total = 0; - tm->tx_total = 0; - - uri = default_connect_uri; - if (tm->connect_uri) - uri = tm->connect_uri; - -#if TCP_BUILTIN_CLIENT_PTHREAD - start_tx_pthread (); -#endif - - 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) - { - if ((error = attach_builtin_test_clients_app (appns_id, appns_flags, - appns_secret))) - { - vec_free (appns_id); - clib_error_report (error); - return error; - } - vec_free (appns_id); - } - tm->test_client_attached = 1; - - /* 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) - { - 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); - } - - /* Fire off connect requests */ - time_before_connects = vlib_time_now (vm); - if ((error = clients_connect (vm, uri, n_clients))) - return error; - - /* 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 [nclients %d] [[m|g]bytes <bytes>] " - "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]" - "[private-segment-count <count>][private-segment-size <bytes>[m|g]]" - "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]" - "[uri <tcp://ip/port>][test-bytes][no-output]", - .function = test_tcp_clients_command_fn, - .is_mp_safe = 1, -}; -/* *INDENT-ON* */ - -clib_error_t * -tcp_test_clients_main_init (vlib_main_t * vm) -{ - tclient_main_t *tm = &tclient_main; - tm->is_init = 0; - return 0; -} - -VLIB_INIT_FUNCTION (tcp_test_clients_main_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/vnet/tcp/builtin_client.h b/src/vnet/tcp/builtin_client.h deleted file mode 100644 index be8ea002639..00000000000 --- a/src/vnet/tcp/builtin_client.h +++ /dev/null @@ -1,123 +0,0 @@ - -/* - * tclient.h - skeleton vpp engine plug-in header file - * - * Copyright (c) <current-year> <your-organization> - * 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_tclient_h__ -#define __included_tclient_h__ - -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> -#include <vnet/ethernet/ethernet.h> - -#include <vppinfra/hash.h> -#include <vppinfra/error.h> -#include <svm/svm_fifo_segment.h> -#include <vnet/session/session.h> -#include <vnet/session/application_interface.h> - -typedef struct -{ - u64 bytes_to_send; - u64 bytes_sent; - u64 bytes_to_receive; - u64 bytes_received; - - svm_fifo_t *server_rx_fifo; - svm_fifo_t *server_tx_fifo; - - u64 vpp_session_handle; -} session_t; - -typedef struct -{ - /* - * Application setup parameters - */ - svm_queue_t *vl_input_queue; /**< vpe input queue */ - svm_queue_t **vpp_event_queue; - - u32 cli_node_index; /**< cli process node index */ - u32 my_client_index; /**< loopback API client handle */ - u32 app_index; /**< app index after attach */ - - /* - * Configuration params - */ - u8 *connect_uri; /**< URI for slave's connect */ - u64 bytes_to_send; /**< Bytes to send */ - u32 configured_segment_size; - u32 fifo_size; - u32 expected_connections; /**< Number of clients/connections */ - u32 connections_per_batch; /**< Connections to rx/tx at once */ - u32 private_segment_count; /**< Number of private fifo segs */ - u32 private_segment_size; /**< size of private fifo segs */ - - /* - * Test state variables - */ - session_t *sessions; /**< Session pool, shared */ - clib_spinlock_t sessions_lock; - u8 **rx_buf; /**< intermediate rx buffers */ - u8 *connect_test_data; /**< Pre-computed test data */ - u32 **connection_index_by_thread; - u32 **connections_this_batch_by_thread; /**< active connection batch */ - pthread_t client_thread_handle; - - volatile u32 ready_connections; - volatile u32 finished_connections; - volatile u64 rx_total; - volatile u64 tx_total; - volatile int run_test; /**< Signal start of test */ - - f64 test_start_time; - f64 test_end_time; - u32 prev_conns; - u32 repeats; - /* - * Flags - */ - u8 is_init; - u8 test_client_attached; - u8 no_return; - u8 test_return_packets; - int i_am_master; - int drop_packets; /**< drop all packets */ - u8 prealloc_fifos; /**< Request fifo preallocation */ - u8 no_output; - u8 test_bytes; - u8 test_failed; - - /* - * Convenience - */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; - ethernet_main_t *ethernet_main; -} tclient_main_t; - -extern tclient_main_t tclient_main; - -vlib_node_registration_t tclient_node; - -#endif /* __included_tclient_h__ */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/vnet/tcp/builtin_http_server.c b/src/vnet/tcp/builtin_http_server.c deleted file mode 100644 index 5510f8ad34c..00000000000 --- a/src/vnet/tcp/builtin_http_server.c +++ /dev/null @@ -1,668 +0,0 @@ -/* -* Copyright (c) 2015-2017 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 <vnet/vnet.h> -#include <vnet/session/application.h> -#include <vnet/session/application_interface.h> - -typedef enum -{ - EVENT_WAKEUP = 1, -} http_process_event_t; - -typedef struct -{ - u64 session_handle; - u64 node_index; - u8 *data; -} builtin_http_server_args; - -typedef struct -{ - u8 **rx_buf; - svm_queue_t **vpp_queue; - u64 byte_index; - - uword *handler_by_get_request; - - u32 *free_http_cli_process_node_indices; - - /* Sever's event queue */ - svm_queue_t *vl_input_queue; - - /* API client handle */ - u32 my_client_index; - - u32 app_index; - - /* process node index for evnt scheduling */ - u32 node_index; - - u32 prealloc_fifos; - u32 private_segment_size; - u32 fifo_size; - vlib_main_t *vlib_main; -} http_server_main_t; - -http_server_main_t http_server_main; - -static void -free_http_process (builtin_http_server_args * args) -{ - vlib_node_runtime_t *rt; - vlib_main_t *vm = &vlib_global_main; - http_server_main_t *hsm = &http_server_main; - vlib_node_t *n; - u32 node_index; - builtin_http_server_args **save_args; - - node_index = args->node_index; - ASSERT (node_index != 0); - - n = vlib_get_node (vm, node_index); - rt = vlib_node_get_runtime (vm, n->index); - save_args = vlib_node_get_runtime_data (vm, n->index); - - /* Reset process session pointer */ - clib_mem_free (*save_args); - *save_args = 0; - - /* Turn off the process node */ - vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED); - - /* add node index to the freelist */ - vec_add1 (hsm->free_http_cli_process_node_indices, node_index); -} - -static const char - *http_response = "HTTP/1.1 200 OK\r\n" - "Content-Type: text/html\r\n" - "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n" - "Connection: close\r\n" - "Pragma: no-cache\r\n" "Content-Length: %d\r\n\r\n%s"; - -static const char - *http_error_template = "HTTP/1.1 %s\r\n" - "Content-Type: text/html\r\n" - "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n" - "Connection: close\r\n" "Pragma: no-cache\r\n" "Content-Length: 0\r\n\r\n"; - -/* Header, including incantation to suppress favicon.ico requests */ -static const char - *html_header_template = "<html><head><title>%v</title>" - "</head><link rel=\"icon\" href=\"data:,\"><body><pre>"; - -static const char *html_footer = "</pre></body></html>\r\n"; - -static const char - *html_header_static = "<html><head><title>static reply</title></head>" - "<link rel=\"icon\" href=\"data:,\"><body><pre>hello</pre></body>" - "</html>\r\n"; - -static u8 *static_http; - -static void -http_cli_output (uword arg, u8 * buffer, uword buffer_bytes) -{ - u8 **output_vecp = (u8 **) arg; - u8 *output_vec; - u32 offset; - - output_vec = *output_vecp; - - offset = vec_len (output_vec); - vec_validate (output_vec, offset + buffer_bytes - 1); - clib_memcpy (output_vec + offset, buffer, buffer_bytes); - - *output_vecp = output_vec; -} - -void -send_data (stream_session_t * s, u8 * data) -{ - session_fifo_event_t evt; - u32 offset, bytes_to_send; - f64 delay = 10e-3; - http_server_main_t *hsm = &http_server_main; - vlib_main_t *vm = hsm->vlib_main; - f64 last_sent_timer = vlib_time_now (vm); - - bytes_to_send = vec_len (data); - offset = 0; - - while (bytes_to_send > 0) - { - int actual_transfer; - - actual_transfer = svm_fifo_enqueue_nowait - (s->server_tx_fifo, bytes_to_send, data + offset); - - /* Made any progress? */ - if (actual_transfer <= 0) - { - vlib_process_suspend (vm, delay); - /* 10s deadman timer */ - if (vlib_time_now (vm) > last_sent_timer + 10.0) - { - /* $$$$ FC: reset transport session here? */ - break; - } - /* Exponential backoff, within reason */ - if (delay < 1.0) - delay = delay * 2.0; - } - else - { - last_sent_timer = vlib_time_now (vm); - offset += actual_transfer; - bytes_to_send -= actual_transfer; - - 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_APP_TX; - - svm_queue_add (hsm->vpp_queue[s->thread_index], - (u8 *) & evt, 0 /* do wait for mutex */ ); - } - delay = 10e-3; - } - } -} - -static void -send_error (stream_session_t * s, char *str) -{ - u8 *data; - - data = format (0, http_error_template, str); - send_data (s, data); - vec_free (data); -} - -static uword -http_cli_process (vlib_main_t * vm, - vlib_node_runtime_t * rt, vlib_frame_t * f) -{ - http_server_main_t *hsm = &http_server_main; - u8 *request = 0, *reply = 0; - builtin_http_server_args **save_args; - builtin_http_server_args *args; - stream_session_t *s; - unformat_input_t input; - int i; - u8 *http = 0, *html = 0; - - save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index); - args = *save_args; - s = session_get_from_handle (args->session_handle); - ASSERT (s); - - request = (u8 *) (void *) (args->data); - if (vec_len (request) < 7) - { - send_error (s, "400 Bad Request"); - goto out; - } - - for (i = 0; i < vec_len (request) - 4; i++) - { - if (request[i] == 'G' && - request[i + 1] == 'E' && - request[i + 2] == 'T' && request[i + 3] == ' ') - goto found; - } -bad_request: - send_error (s, "400 Bad Request"); - goto out; - -found: - /* Lose "GET " */ - vec_delete (request, i + 5, 0); - - /* Replace slashes with spaces, stop at the end of the path */ - i = 0; - while (1) - { - if (request[i] == '/') - request[i] = ' '; - else if (request[i] == ' ') - { - /* vlib_cli_input is vector-based, no need for a NULL */ - _vec_len (request) = i; - break; - } - i++; - /* Should never happen */ - if (i == vec_len (request)) - goto bad_request; - } - - /* Generate the html header */ - html = format (0, html_header_template, request /* title */ ); - - /* Run the command */ - unformat_init_vector (&input, request); - vlib_cli_input (vm, &input, http_cli_output, (uword) & reply); - unformat_free (&input); - request = 0; - - /* Generate the html page */ - html = format (html, "%v", reply); - html = format (html, html_footer); - /* And the http reply */ - http = format (0, http_response, vec_len (html), html); - - /* Send it */ - send_data (s, http); - -out: - /* Cleanup */ - vec_free (request); - vec_free (reply); - vec_free (html); - vec_free (http); - - free_http_process (args); - return (0); -} - -static void -alloc_http_process (builtin_http_server_args * args) -{ - char *name; - vlib_node_t *n; - http_server_main_t *hsm = &http_server_main; - vlib_main_t *vm = hsm->vlib_main; - uword l = vec_len (hsm->free_http_cli_process_node_indices); - builtin_http_server_args **save_args; - - if (vec_len (hsm->free_http_cli_process_node_indices) > 0) - { - n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]); - vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING); - _vec_len (hsm->free_http_cli_process_node_indices) = l - 1; - } - else - { - static vlib_node_registration_t r = { - .function = http_cli_process, - .type = VLIB_NODE_TYPE_PROCESS, - .process_log2_n_stack_bytes = 16, - .runtime_data_bytes = sizeof (void *), - }; - - name = (char *) format (0, "http-cli-%d", l); - r.name = name; - vlib_register_node (vm, &r); - vec_free (name); - - n = vlib_get_node (vm, r.index); - } - - /* Save the node index in the args. It won't be zero. */ - args->node_index = n->index; - - /* Save the args (pointer) in the node runtime */ - save_args = vlib_node_get_runtime_data (vm, n->index); - *save_args = args; - - vlib_start_process (vm, n->runtime_index); -} - -static void -alloc_http_process_callback (void *cb_args) -{ - alloc_http_process ((builtin_http_server_args *) cb_args); -} - -static int -session_rx_request (stream_session_t * s) -{ - http_server_main_t *hsm = &http_server_main; - svm_fifo_t *rx_fifo; - u32 max_dequeue; - int actual_transfer; - - rx_fifo = s->server_rx_fifo; - max_dequeue = svm_fifo_max_dequeue (rx_fifo); - svm_fifo_unset_event (rx_fifo); - if (PREDICT_FALSE (max_dequeue == 0)) - return -1; - - vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1); - _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue; - - actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue, - hsm->rx_buf[s->thread_index]); - ASSERT (actual_transfer > 0); - _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer; - return 0; -} - -static int -http_server_rx_callback (stream_session_t * s) -{ - http_server_main_t *hsm = &http_server_main; - builtin_http_server_args *args; - int rv; - - rv = session_rx_request (s); - if (rv) - return rv; - - /* send the command to a new/recycled vlib process */ - args = clib_mem_alloc (sizeof (*args)); - args->data = vec_dup (hsm->rx_buf[s->thread_index]); - args->session_handle = session_handle (s); - - /* Send an RPC request via the thread-0 input node */ - if (vlib_get_thread_index () != 0) - { - session_fifo_event_t evt; - evt.rpc_args.fp = alloc_http_process_callback; - evt.rpc_args.arg = args; - evt.event_type = FIFO_EVENT_RPC; - svm_queue_add - (session_manager_get_vpp_event_queue (0 /* main thread */ ), - (u8 *) & evt, 0 /* do wait for mutex */ ); - } - else - alloc_http_process (args); - return 0; -} - -static int -http_server_rx_callback_static (stream_session_t * s) -{ - http_server_main_t *hsm = &http_server_main; - u8 *request = 0; - int i; - int rv; - - rv = session_rx_request (s); - if (rv) - return rv; - - request = hsm->rx_buf[s->thread_index]; - if (vec_len (request) < 7) - { - send_error (s, "400 Bad Request"); - goto out; - } - - for (i = 0; i < vec_len (request) - 4; i++) - { - if (request[i] == 'G' && - request[i + 1] == 'E' && - request[i + 2] == 'T' && request[i + 3] == ' ') - goto found; - } - send_error (s, "400 Bad Request"); - goto out; - -found: - - /* Send it */ - send_data (s, static_http); - -out: - /* Cleanup */ - vec_free (request); - hsm->rx_buf[s->thread_index] = request; - return 0; -} - -static int -builtin_session_accept_callback (stream_session_t * s) -{ - http_server_main_t *bsm = &http_server_main; - - bsm->vpp_queue[s->thread_index] = - session_manager_get_vpp_event_queue (s->thread_index); - s->session_state = SESSION_STATE_READY; - bsm->byte_index = 0; - return 0; -} - -static void -builtin_session_disconnect_callback (stream_session_t * s) -{ - http_server_main_t *bsm = &http_server_main; - vnet_disconnect_args_t _a, *a = &_a; - - a->handle = session_handle (s); - a->app_index = bsm->app_index; - vnet_disconnect_session (a); -} - -static void -builtin_session_reset_callback (stream_session_t * s) -{ - clib_warning ("called.. "); - - stream_session_cleanup (s); -} - -static int -builtin_session_connected_callback (u32 app_index, u32 api_context, - stream_session_t * s, u8 is_fail) -{ - clib_warning ("called..."); - return -1; -} - -static int -builtin_add_segment_callback (u32 client_index, const ssvm_private_t * sp) -{ - clib_warning ("called..."); - return -1; -} - -static int -builtin_redirect_connect_callback (u32 client_index, void *mp) -{ - clib_warning ("called..."); - return -1; -} - -static session_cb_vft_t builtin_session_cb_vft = { - .session_accept_callback = builtin_session_accept_callback, - .session_disconnect_callback = builtin_session_disconnect_callback, - .session_connected_callback = builtin_session_connected_callback, - .add_segment_callback = builtin_add_segment_callback, - .redirect_connect_callback = builtin_redirect_connect_callback, - .builtin_server_rx_callback = http_server_rx_callback, - .session_reset_callback = builtin_session_reset_callback -}; - -/* Abuse VPP's input queue */ -static int -create_api_loopback (vlib_main_t * vm) -{ - http_server_main_t *hsm = &http_server_main; - api_main_t *am = &api_main; - vl_shmem_hdr_t *shmem_hdr; - - shmem_hdr = am->shmem_hdr; - hsm->vl_input_queue = shmem_hdr->vl_input_queue; - hsm->my_client_index = - vl_api_memclnt_create_internal ("test_http_server", hsm->vl_input_queue); - return 0; -} - -static int -server_attach () -{ - http_server_main_t *hsm = &http_server_main; - u64 options[APP_OPTIONS_N_OPTIONS]; - vnet_app_attach_args_t _a, *a = &_a; - u32 segment_size = 128 << 20; - - memset (a, 0, sizeof (*a)); - memset (options, 0, sizeof (options)); - - if (hsm->private_segment_size) - segment_size = hsm->private_segment_size; - - a->api_client_index = hsm->my_client_index; - a->session_cb_vft = &builtin_session_cb_vft; - a->options = options; - a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size; - a->options[APP_OPTIONS_RX_FIFO_SIZE] = - hsm->fifo_size ? hsm->fifo_size : 8 << 10; - a->options[APP_OPTIONS_TX_FIFO_SIZE] = - hsm->fifo_size ? hsm->fifo_size : 32 << 10; - a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; - a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos; - - if (vnet_application_attach (a)) - { - clib_warning ("failed to attach server"); - return -1; - } - hsm->app_index = a->app_index; - return 0; -} - -static int -server_listen () -{ - http_server_main_t *hsm = &http_server_main; - vnet_bind_args_t _a, *a = &_a; - memset (a, 0, sizeof (*a)); - a->app_index = hsm->app_index; - a->uri = "tcp://0.0.0.0/80"; - return vnet_bind_uri (a); -} - -static int -server_create (vlib_main_t * vm) -{ - http_server_main_t *hsm = &http_server_main; - u32 num_threads; - vlib_thread_main_t *vtm = vlib_get_thread_main (); - - ASSERT (hsm->my_client_index == (u32) ~ 0); - if (create_api_loopback (vm)) - return -1; - - num_threads = 1 /* main thread */ + vtm->n_threads; - vec_validate (http_server_main.vpp_queue, num_threads - 1); - - if (server_attach ()) - { - clib_warning ("failed to attach server"); - return -1; - } - if (server_listen ()) - { - clib_warning ("failed to start listening"); - return -1; - } - return 0; -} - -static clib_error_t * -server_create_command_fn (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - http_server_main_t *hsm = &http_server_main; - int rv, is_static = 0; - u64 seg_size; - u8 *html; - - hsm->prealloc_fifos = 0; - hsm->private_segment_size = 0; - hsm->fifo_size = 0; - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "static")) - is_static = 1; - else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos)) - ; - else if (unformat (input, "private-segment-size %U", - unformat_memory_size, &seg_size)) - { - if (seg_size >= 0x100000000ULL) - { - vlib_cli_output (vm, "private segment size %llu, too large", - seg_size); - return 0; - } - hsm->private_segment_size = seg_size; - } - else if (unformat (input, "fifo-size %d", &hsm->fifo_size)) - hsm->fifo_size <<= 10; - else - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); - } - if (hsm->my_client_index != (u32) ~ 0) - return clib_error_return (0, "test http server is already running"); - - vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ ); - - if (is_static) - { - builtin_session_cb_vft.builtin_server_rx_callback = - http_server_rx_callback_static; - html = format (0, html_header_static); - static_http = format (0, http_response, vec_len (html), html); - } - rv = server_create (vm); - switch (rv) - { - case 0: - break; - default: - return clib_error_return (0, "server_create returned %d", rv); - } - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (server_create_command, static) = -{ - .path = "test http server", - .short_help = "test http server", - .function = server_create_command_fn, -}; -/* *INDENT-ON* */ - -static clib_error_t * -builtin_http_server_main_init (vlib_main_t * vm) -{ - http_server_main_t *hsm = &http_server_main; - vlib_thread_main_t *vtm = vlib_get_thread_main (); - u32 num_threads; - - hsm->my_client_index = ~0; - hsm->vlib_main = vm; - num_threads = 1 /* main thread */ + vtm->n_threads; - vec_validate (hsm->rx_buf, num_threads - 1); - return 0; -} - -VLIB_INIT_FUNCTION (builtin_http_server_main_init); - -/* -* fd.io coding-style-patch-verification: ON -* -* Local Variables: -* eval: (c-set-style "gnu") -* End: -*/ diff --git a/src/vnet/tcp/builtin_proxy.c b/src/vnet/tcp/builtin_proxy.c deleted file mode 100644 index a4827bff56d..00000000000 --- a/src/vnet/tcp/builtin_proxy.c +++ /dev/null @@ -1,602 +0,0 @@ -/* -* Copyright (c) 2015-2017 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 <vnet/vnet.h> -#include <vlibmemory/api.h> -#include <vnet/session/application.h> -#include <vnet/session/application_interface.h> -#include <vnet/tcp/builtin_proxy.h> - -builtin_proxy_main_t builtin_proxy_main; - -static void -delete_proxy_session (stream_session_t * s, int is_active_open) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - proxy_session_t *ps = 0; - vnet_disconnect_args_t _a, *a = &_a; - stream_session_t *active_open_session = 0; - stream_session_t *server_session = 0; - uword *p; - u64 handle; - - handle = session_handle (s); - - clib_spinlock_lock_if_init (&bpm->sessions_lock); - if (is_active_open) - { - active_open_session = s; - - p = hash_get (bpm->proxy_session_by_active_open_handle, handle); - if (p == 0) - { - clib_warning ("proxy session for %s handle %lld (%llx) AWOL", - is_active_open ? "active open" : "server", - handle, handle); - } - else - { - ps = pool_elt_at_index (bpm->sessions, p[0]); - if (ps->vpp_server_handle != ~0) - server_session = session_get_from_handle (ps->vpp_server_handle); - else - server_session = 0; - } - } - else - { - server_session = s; - - p = hash_get (bpm->proxy_session_by_server_handle, handle); - if (p == 0) - { - clib_warning ("proxy session for %s handle %lld (%llx) AWOL", - is_active_open ? "active open" : "server", - handle, handle); - } - else - { - ps = pool_elt_at_index (bpm->sessions, p[0]); - if (ps->vpp_server_handle != ~0) - active_open_session = session_get_from_handle - (ps->vpp_server_handle); - else - active_open_session = 0; - } - } - - if (ps) - { - if (CLIB_DEBUG > 0) - memset (ps, 0xFE, sizeof (*ps)); - pool_put (bpm->sessions, ps); - } - - clib_spinlock_unlock_if_init (&bpm->sessions_lock); - - if (active_open_session) - { - a->handle = session_handle (active_open_session); - a->app_index = bpm->active_open_app_index; - hash_unset (bpm->proxy_session_by_active_open_handle, - session_handle (active_open_session)); - vnet_disconnect_session (a); - } - - if (server_session) - { - a->handle = session_handle (server_session); - a->app_index = bpm->server_app_index; - hash_unset (bpm->proxy_session_by_server_handle, - session_handle (server_session)); - vnet_disconnect_session (a); - } -} - -static int -server_accept_callback (stream_session_t * s) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - - s->session_state = SESSION_STATE_READY; - - clib_spinlock_lock_if_init (&bpm->sessions_lock); - - return 0; -} - -static void -server_disconnect_callback (stream_session_t * s) -{ - delete_proxy_session (s, 0 /* is_active_open */ ); -} - -static void -server_reset_callback (stream_session_t * s) -{ - clib_warning ("Reset session %U", format_stream_session, s, 2); - delete_proxy_session (s, 0 /* is_active_open */ ); -} - -static int -server_connected_callback (u32 app_index, u32 api_context, - stream_session_t * s, u8 is_fail) -{ - clib_warning ("called..."); - return -1; -} - -static int -server_add_segment_callback (u32 client_index, const ssvm_private_t * sp) -{ - clib_warning ("called..."); - return -1; -} - -static int -server_redirect_connect_callback (u32 client_index, void *mp) -{ - clib_warning ("called..."); - return -1; -} - -static int -server_rx_callback (stream_session_t * s) -{ - u32 max_dequeue; - int actual_transfer __attribute__ ((unused)); - svm_fifo_t *tx_fifo, *rx_fifo; - builtin_proxy_main_t *bpm = &builtin_proxy_main; - u32 thread_index = vlib_get_thread_index (); - vnet_connect_args_t _a, *a = &_a; - proxy_session_t *ps; - int proxy_index; - uword *p; - svm_fifo_t *active_open_tx_fifo; - session_fifo_event_t evt; - - ASSERT (s->thread_index == thread_index); - - clib_spinlock_lock_if_init (&bpm->sessions_lock); - p = hash_get (bpm->proxy_session_by_server_handle, session_handle (s)); - - if (PREDICT_TRUE (p != 0)) - { - clib_spinlock_unlock_if_init (&bpm->sessions_lock); - active_open_tx_fifo = s->server_rx_fifo; - - /* - * Send event for active open tx fifo - */ - if (svm_fifo_set_event (active_open_tx_fifo)) - { - evt.fifo = active_open_tx_fifo; - evt.event_type = FIFO_EVENT_APP_TX; - if (svm_queue_add - (bpm->active_open_event_queue[thread_index], (u8 *) & evt, - 0 /* do wait for mutex */ )) - clib_warning ("failed to enqueue tx evt"); - } - } - else - { - rx_fifo = s->server_rx_fifo; - tx_fifo = s->server_tx_fifo; - - ASSERT (rx_fifo->master_thread_index == thread_index); - ASSERT (tx_fifo->master_thread_index == thread_index); - - max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo); - - if (PREDICT_FALSE (max_dequeue == 0)) - return 0; - - actual_transfer = svm_fifo_peek (rx_fifo, 0 /* relative_offset */ , - max_dequeue, - bpm->rx_buf[thread_index]); - - /* $$$ your message in this space: parse url, etc. */ - - memset (a, 0, sizeof (*a)); - - clib_spinlock_lock_if_init (&bpm->sessions_lock); - pool_get (bpm->sessions, ps); - memset (ps, 0, sizeof (*ps)); - ps->server_rx_fifo = rx_fifo; - ps->server_tx_fifo = tx_fifo; - ps->vpp_server_handle = session_handle (s); - - proxy_index = ps - bpm->sessions; - - hash_set (bpm->proxy_session_by_server_handle, ps->vpp_server_handle, - proxy_index); - - clib_spinlock_unlock_if_init (&bpm->sessions_lock); - - a->uri = (char *) bpm->client_uri; - a->api_context = proxy_index; - a->app_index = bpm->active_open_app_index; - a->mp = 0; - vnet_connect_uri (a); - } - - return 0; -} - -static session_cb_vft_t builtin_session_cb_vft = { - .session_accept_callback = server_accept_callback, - .session_disconnect_callback = server_disconnect_callback, - .session_connected_callback = server_connected_callback, - .add_segment_callback = server_add_segment_callback, - .redirect_connect_callback = server_redirect_connect_callback, - .builtin_server_rx_callback = server_rx_callback, - .session_reset_callback = server_reset_callback -}; - -static int -active_open_connected_callback (u32 app_index, u32 opaque, - stream_session_t * s, u8 is_fail) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - proxy_session_t *ps; - u8 thread_index = vlib_get_thread_index (); - session_fifo_event_t evt; - - if (is_fail) - { - clib_warning ("connection %d failed!", opaque); - return 0; - } - - /* - * Setup proxy session handle. - */ - clib_spinlock_lock_if_init (&bpm->sessions_lock); - - ps = pool_elt_at_index (bpm->sessions, opaque); - ps->vpp_active_open_handle = session_handle (s); - - s->server_tx_fifo = ps->server_rx_fifo; - s->server_rx_fifo = ps->server_tx_fifo; - - /* - * Reset the active-open tx-fifo master indices so the active-open session - * will receive data, etc. - */ - s->server_tx_fifo->master_session_index = s->session_index; - s->server_tx_fifo->master_thread_index = s->thread_index; - - /* - * Account for the active-open session's use of the fifos - * so they won't disappear until the last session which uses - * them disappears - */ - s->server_tx_fifo->refcnt++; - s->server_rx_fifo->refcnt++; - - hash_set (bpm->proxy_session_by_active_open_handle, - ps->vpp_active_open_handle, opaque); - - clib_spinlock_unlock_if_init (&bpm->sessions_lock); - - /* - * Send event for active open tx fifo - */ - if (svm_fifo_set_event (s->server_tx_fifo)) - { - evt.fifo = s->server_tx_fifo; - evt.event_type = FIFO_EVENT_APP_TX; - if (svm_queue_add - (bpm->active_open_event_queue[thread_index], (u8 *) & evt, - 0 /* do wait for mutex */ )) - clib_warning ("failed to enqueue tx evt"); - } - - return 0; -} - -static void -active_open_reset_callback (stream_session_t * s) -{ - delete_proxy_session (s, 1 /* is_active_open */ ); -} - -static int -active_open_create_callback (stream_session_t * s) -{ - return 0; -} - -static void -active_open_disconnect_callback (stream_session_t * s) -{ - delete_proxy_session (s, 1 /* is_active_open */ ); -} - -static int -active_open_rx_callback (stream_session_t * s) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - session_fifo_event_t evt; - svm_fifo_t *server_rx_fifo; - u32 thread_index = vlib_get_thread_index (); - - server_rx_fifo = s->server_rx_fifo; - - /* - * Send event for server tx fifo - */ - if (svm_fifo_set_event (server_rx_fifo)) - { - evt.fifo = server_rx_fifo; - evt.event_type = FIFO_EVENT_APP_TX; - if (svm_queue_add - (bpm->server_event_queue[thread_index], (u8 *) & evt, - 0 /* do wait for mutex */ )) - clib_warning ("failed to enqueue server rx evt"); - } - - return 0; -} - -/* *INDENT-OFF* */ -static session_cb_vft_t builtin_clients = { - .session_reset_callback = active_open_reset_callback, - .session_connected_callback = active_open_connected_callback, - .session_accept_callback = active_open_create_callback, - .session_disconnect_callback = active_open_disconnect_callback, - .builtin_server_rx_callback = active_open_rx_callback -}; -/* *INDENT-ON* */ - - -static void -create_api_loopbacks (vlib_main_t * vm) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - api_main_t *am = &api_main; - vl_shmem_hdr_t *shmem_hdr; - - shmem_hdr = am->shmem_hdr; - bpm->vl_input_queue = shmem_hdr->vl_input_queue; - bpm->server_client_index = - vl_api_memclnt_create_internal ("proxy_server", bpm->vl_input_queue); - bpm->active_open_client_index = - vl_api_memclnt_create_internal ("proxy_active_open", bpm->vl_input_queue); -} - -static int -server_attach () -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - u64 options[APP_OPTIONS_N_OPTIONS]; - vnet_app_attach_args_t _a, *a = &_a; - u32 segment_size = 512 << 20; - - memset (a, 0, sizeof (*a)); - memset (options, 0, sizeof (options)); - - if (bpm->private_segment_size) - segment_size = bpm->private_segment_size; - a->api_client_index = bpm->server_client_index; - a->session_cb_vft = &builtin_session_cb_vft; - a->options = options; - a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size; - a->options[APP_OPTIONS_RX_FIFO_SIZE] = bpm->fifo_size; - a->options[APP_OPTIONS_TX_FIFO_SIZE] = bpm->fifo_size; - a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bpm->private_segment_count; - a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = - bpm->prealloc_fifos ? bpm->prealloc_fifos : 1; - - a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; - - if (vnet_application_attach (a)) - { - clib_warning ("failed to attach server"); - return -1; - } - bpm->server_app_index = a->app_index; - - return 0; -} - -static int -active_open_attach (void) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - vnet_app_attach_args_t _a, *a = &_a; - u64 options[16]; - - memset (a, 0, sizeof (*a)); - memset (options, 0, sizeof (options)); - - a->api_client_index = bpm->active_open_client_index; - a->session_cb_vft = &builtin_clients; - - options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678; - options[APP_OPTIONS_SEGMENT_SIZE] = 512 << 20; - options[APP_OPTIONS_RX_FIFO_SIZE] = bpm->fifo_size; - options[APP_OPTIONS_TX_FIFO_SIZE] = bpm->fifo_size; - options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bpm->private_segment_count; - options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = - bpm->prealloc_fifos ? bpm->prealloc_fifos : 1; - - options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN - | APP_OPTIONS_FLAGS_IS_PROXY; - - a->options = options; - - if (vnet_application_attach (a)) - return -1; - - bpm->active_open_app_index = a->app_index; - - return 0; -} - -static int -server_listen () -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - vnet_bind_args_t _a, *a = &_a; - memset (a, 0, sizeof (*a)); - a->app_index = bpm->server_app_index; - a->uri = (char *) bpm->server_uri; - return vnet_bind_uri (a); -} - -static int -server_create (vlib_main_t * vm) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - vlib_thread_main_t *vtm = vlib_get_thread_main (); - u32 num_threads; - int i; - - if (bpm->server_client_index == (u32) ~ 0) - create_api_loopbacks (vm); - - num_threads = 1 /* main thread */ + vtm->n_threads; - vec_validate (builtin_proxy_main.server_event_queue, num_threads - 1); - vec_validate (builtin_proxy_main.active_open_event_queue, num_threads - 1); - vec_validate (bpm->rx_buf, num_threads - 1); - - for (i = 0; i < num_threads; i++) - vec_validate (bpm->rx_buf[i], bpm->rcv_buffer_size); - - if (server_attach ()) - { - clib_warning ("failed to attach server app"); - return -1; - } - if (server_listen ()) - { - clib_warning ("failed to start listening"); - return -1; - } - if (active_open_attach ()) - { - clib_warning ("failed to attach active open app"); - return -1; - } - - for (i = 0; i < num_threads; i++) - { - bpm->active_open_event_queue[i] = - session_manager_get_vpp_event_queue (i); - - ASSERT (bpm->active_open_event_queue[i]); - - bpm->server_event_queue[i] = session_manager_get_vpp_event_queue (i); - } - - return 0; -} - -static clib_error_t * -proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - int rv; - u64 tmp; - - bpm->fifo_size = 64 << 10; - bpm->rcv_buffer_size = 1024; - bpm->prealloc_fifos = 0; - bpm->private_segment_count = 0; - bpm->private_segment_size = 0; - bpm->server_uri = 0; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "fifo-size %d", &bpm->fifo_size)) - bpm->fifo_size <<= 10; - else if (unformat (input, "rcv-buf-size %d", &bpm->rcv_buffer_size)) - ; - else if (unformat (input, "prealloc-fifos %d", &bpm->prealloc_fifos)) - ; - else if (unformat (input, "private-segment-count %d", - &bpm->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); - bpm->private_segment_size = tmp; - } - else if (unformat (input, "server-uri %s", &bpm->server_uri)) - ; - else if (unformat (input, "client-uri %s", &bpm->client_uri)) - ; - else - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); - } - - if (!bpm->server_uri) - bpm->server_uri = format (0, "%s%c", "tcp://0.0.0.0/23", 0); - if (!bpm->client_uri) - bpm->client_uri = format (0, "%s%c", "tcp://6.0.2.2/23", 0); - - vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ ); - - rv = server_create (vm); - switch (rv) - { - case 0: - break; - default: - return clib_error_return (0, "server_create returned %d", rv); - } - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (server_create_command, static) = -{ - .path = "test proxy server", - .short_help = "test proxy server [server-uri <tcp://ip/port>]" - "[client-uri <tcp://ip/port>][fifo-size <nn>][rcv-buf-size <nn>]" - "[prealloc-fifos <nn>][private-segment-size <mem>]" - "[private-segment-count <nn>]", - .function = proxy_server_create_command_fn, -}; -/* *INDENT-ON* */ - -clib_error_t * -builtin_tcp_proxy_main_init (vlib_main_t * vm) -{ - builtin_proxy_main_t *bpm = &builtin_proxy_main; - bpm->server_client_index = ~0; - bpm->active_open_client_index = ~0; - bpm->proxy_session_by_active_open_handle = hash_create (0, sizeof (uword)); - bpm->proxy_session_by_server_handle = hash_create (0, sizeof (uword)); - - return 0; -} - -VLIB_INIT_FUNCTION (builtin_tcp_proxy_main_init); - -/* -* fd.io coding-style-patch-verification: ON -* -* Local Variables: -* eval: (c-set-style "gnu") -* End: -*/ diff --git a/src/vnet/tcp/builtin_proxy.h b/src/vnet/tcp/builtin_proxy.h deleted file mode 100644 index 517fd3b1a38..00000000000 --- a/src/vnet/tcp/builtin_proxy.h +++ /dev/null @@ -1,101 +0,0 @@ - -/* - * builtin_proxy.h - skeleton vpp engine plug-in header file - * - * Copyright (c) <current-year> <your-organization> - * 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_builtin_proxy_h__ -#define __included_builtin_proxy_h__ - -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> -#include <vnet/ethernet/ethernet.h> - -#include <vppinfra/hash.h> -#include <vppinfra/error.h> -#include <svm/svm_fifo_segment.h> -#include <vnet/session/session.h> -#include <vnet/session/application_interface.h> - -typedef struct -{ - svm_fifo_t *server_rx_fifo; - svm_fifo_t *server_tx_fifo; - - u64 vpp_server_handle; - u64 vpp_active_open_handle; -} proxy_session_t; - -typedef struct -{ - svm_queue_t *vl_input_queue; /**< vpe input queue */ - /** per-thread vectors */ - svm_queue_t **server_event_queue; - svm_queue_t **active_open_event_queue; - u8 **rx_buf; /**< intermediate rx buffers */ - - u32 cli_node_index; /**< cli process node index */ - u32 server_client_index; /**< server API client handle */ - u32 server_app_index; /**< server app index */ - u32 active_open_client_index; /**< active open API client handle */ - u32 active_open_app_index; /**< active open index after attach */ - - uword *proxy_session_by_server_handle; - uword *proxy_session_by_active_open_handle; - - /* - * Configuration params - */ - u8 *connect_uri; /**< URI for slave's connect */ - u32 configured_segment_size; - u32 fifo_size; - u32 private_segment_count; /**< Number of private fifo segs */ - u32 private_segment_size; /**< size of private fifo segs */ - int rcv_buffer_size; - u8 *server_uri; - u8 *client_uri; - - /* - * Test state variables - */ - proxy_session_t *sessions; /**< Session pool, shared */ - clib_spinlock_t sessions_lock; - u32 **connection_index_by_thread; - pthread_t client_thread_handle; - - /* - * Flags - */ - u8 is_init; - u8 prealloc_fifos; /**< Request fifo preallocation */ - - /* - * Convenience - */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; - ethernet_main_t *ethernet_main; -} builtin_proxy_main_t; - -extern builtin_proxy_main_t builtin_proxy_main; - -#endif /* __included_builtin_proxy_h__ */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/vnet/tcp/builtin_server.c b/src/vnet/tcp/builtin_server.c deleted file mode 100644 index 2ea9068a597..00000000000 --- a/src/vnet/tcp/builtin_server.c +++ /dev/null @@ -1,469 +0,0 @@ -/* -* Copyright (c) 2015-2017 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 <vnet/vnet.h> -#include <vlibmemory/api.h> -#include <vnet/session/application.h> -#include <vnet/session/application_interface.h> - -typedef struct -{ - /* - * Server app parameters - */ - svm_queue_t **vpp_queue; - svm_queue_t *vl_input_queue; /**< Sever's event queue */ - - u32 app_index; /**< Server app index */ - u32 my_client_index; /**< API client handle */ - u32 node_index; /**< process node index for evnt scheduling */ - - /* - * Config params - */ - u8 no_echo; /**< Don't echo traffic */ - u32 fifo_size; /**< Fifo size */ - u32 rcv_buffer_size; /**< Rcv buffer size */ - u32 prealloc_fifos; /**< Preallocate fifos */ - u32 private_segment_count; /**< Number of private segments */ - u32 private_segment_size; /**< Size of private segments */ - char *server_uri; /**< Server URI */ - - /* - * Test state - */ - u8 **rx_buf; /**< Per-thread RX buffer */ - u64 byte_index; - u32 **rx_retries; - - vlib_main_t *vlib_main; -} builtin_server_main_t; - -builtin_server_main_t builtin_server_main; - -int -builtin_session_accept_callback (stream_session_t * s) -{ - builtin_server_main_t *bsm = &builtin_server_main; - - bsm->vpp_queue[s->thread_index] = - session_manager_get_vpp_event_queue (s->thread_index); - s->session_state = SESSION_STATE_READY; - bsm->byte_index = 0; - vec_validate (bsm->rx_retries[s->thread_index], s->session_index); - bsm->rx_retries[s->thread_index][s->session_index] = 0; - return 0; -} - -void -builtin_session_disconnect_callback (stream_session_t * s) -{ - builtin_server_main_t *bsm = &builtin_server_main; - vnet_disconnect_args_t _a, *a = &_a; - - a->handle = session_handle (s); - a->app_index = bsm->app_index; - vnet_disconnect_session (a); -} - -void -builtin_session_reset_callback (stream_session_t * s) -{ - clib_warning ("Reset session %U", format_stream_session, s, 2); - stream_session_cleanup (s); -} - - -int -builtin_session_connected_callback (u32 app_index, u32 api_context, - stream_session_t * s, u8 is_fail) -{ - clib_warning ("called..."); - return -1; -} - -int -builtin_add_segment_callback (u32 client_index, const ssvm_private_t * sp) -{ - clib_warning ("called..."); - return -1; -} - -int -builtin_redirect_connect_callback (u32 client_index, void *mp) -{ - clib_warning ("called..."); - return -1; -} - -void -test_bytes (builtin_server_main_t * bsm, int actual_transfer) -{ - int i; - u32 my_thread_id = vlib_get_thread_index (); - - for (i = 0; i < actual_transfer; i++) - { - if (bsm->rx_buf[my_thread_id][i] != ((bsm->byte_index + i) & 0xff)) - { - clib_warning ("at %lld expected %d got %d", bsm->byte_index + i, - (bsm->byte_index + i) & 0xff, - bsm->rx_buf[my_thread_id][i]); - } - } - bsm->byte_index += actual_transfer; -} - -/* - * If no-echo, just read the data and be done with it - */ -int -builtin_server_rx_callback_no_echo (stream_session_t * s) -{ - builtin_server_main_t *bsm = &builtin_server_main; - u32 my_thread_id = vlib_get_thread_index (); - int actual_transfer; - svm_fifo_t *rx_fifo; - - rx_fifo = s->server_rx_fifo; - - do - { - actual_transfer = - svm_fifo_dequeue_nowait (rx_fifo, bsm->rcv_buffer_size, - bsm->rx_buf[my_thread_id]); - } - while (actual_transfer > 0); - return 0; -} - -int -builtin_server_rx_callback (stream_session_t * s) -{ - u32 n_written, max_dequeue, max_enqueue, max_transfer; - int actual_transfer; - svm_fifo_t *tx_fifo, *rx_fifo; - builtin_server_main_t *bsm = &builtin_server_main; - session_fifo_event_t evt; - u32 thread_index = vlib_get_thread_index (); - - ASSERT (s->thread_index == thread_index); - - rx_fifo = s->server_rx_fifo; - tx_fifo = s->server_tx_fifo; - - ASSERT (rx_fifo->master_thread_index == thread_index); - ASSERT (tx_fifo->master_thread_index == thread_index); - - max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo); - max_enqueue = svm_fifo_max_enqueue (s->server_tx_fifo); - - if (PREDICT_FALSE (max_dequeue == 0)) - return 0; - - /* Number of bytes we're going to copy */ - max_transfer = (max_dequeue < max_enqueue) ? max_dequeue : max_enqueue; - - /* No space in tx fifo */ - if (PREDICT_FALSE (max_transfer == 0)) - { - /* XXX timeout for session that are stuck */ - - rx_event: - /* Program self-tap to retry */ - if (svm_fifo_set_event (rx_fifo)) - { - svm_queue_t *q; - evt.fifo = rx_fifo; - evt.event_type = FIFO_EVENT_BUILTIN_RX; - - q = bsm->vpp_queue[thread_index]; - if (PREDICT_FALSE (q->cursize == q->maxsize)) - clib_warning ("out of event queue space"); - else if (svm_queue_add (q, (u8 *) & evt, 0)) - clib_warning ("failed to enqueue self-tap"); - - if (bsm->rx_retries[thread_index][s->session_index] == 500000) - { - clib_warning ("session stuck: %U", format_stream_session, s, 2); - } - if (bsm->rx_retries[thread_index][s->session_index] < 500001) - bsm->rx_retries[thread_index][s->session_index]++; - } - - return 0; - } - - _vec_len (bsm->rx_buf[thread_index]) = max_transfer; - - actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_transfer, - bsm->rx_buf[thread_index]); - ASSERT (actual_transfer == max_transfer); - -// test_bytes (bsm, actual_transfer); - - /* - * Echo back - */ - - n_written = svm_fifo_enqueue_nowait (tx_fifo, actual_transfer, - bsm->rx_buf[thread_index]); - - if (n_written != max_transfer) - clib_warning ("short trout!"); - - if (svm_fifo_set_event (tx_fifo)) - { - /* Fabricate TX event, send to vpp */ - evt.fifo = tx_fifo; - evt.event_type = FIFO_EVENT_APP_TX; - - if (svm_queue_add (bsm->vpp_queue[s->thread_index], - (u8 *) & evt, 0 /* do wait for mutex */ )) - clib_warning ("failed to enqueue tx evt"); - } - - if (PREDICT_FALSE (n_written < max_dequeue)) - goto rx_event; - - return 0; -} - -static session_cb_vft_t builtin_session_cb_vft = { - .session_accept_callback = builtin_session_accept_callback, - .session_disconnect_callback = builtin_session_disconnect_callback, - .session_connected_callback = builtin_session_connected_callback, - .add_segment_callback = builtin_add_segment_callback, - .redirect_connect_callback = builtin_redirect_connect_callback, - .builtin_server_rx_callback = builtin_server_rx_callback, - .session_reset_callback = builtin_session_reset_callback -}; - -/* Abuse VPP's input queue */ -static int -create_api_loopback (vlib_main_t * vm) -{ - builtin_server_main_t *bsm = &builtin_server_main; - api_main_t *am = &api_main; - vl_shmem_hdr_t *shmem_hdr; - - shmem_hdr = am->shmem_hdr; - bsm->vl_input_queue = shmem_hdr->vl_input_queue; - bsm->my_client_index = - vl_api_memclnt_create_internal ("tcp_test_server", bsm->vl_input_queue); - return 0; -} - -static int -server_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret) -{ - builtin_server_main_t *bsm = &builtin_server_main; - u64 options[APP_OPTIONS_N_OPTIONS]; - vnet_app_attach_args_t _a, *a = &_a; - u32 segment_size = 512 << 20; - - memset (a, 0, sizeof (*a)); - memset (options, 0, sizeof (options)); - - if (bsm->no_echo) - builtin_session_cb_vft.builtin_server_rx_callback = - builtin_server_rx_callback_no_echo; - else - builtin_session_cb_vft.builtin_server_rx_callback = - builtin_server_rx_callback; - - if (bsm->private_segment_size) - segment_size = bsm->private_segment_size; - - a->api_client_index = bsm->my_client_index; - a->session_cb_vft = &builtin_session_cb_vft; - a->options = options; - a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size; - a->options[APP_OPTIONS_RX_FIFO_SIZE] = bsm->fifo_size; - a->options[APP_OPTIONS_TX_FIFO_SIZE] = bsm->fifo_size; - a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = bsm->private_segment_count; - a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = - bsm->prealloc_fifos ? bsm->prealloc_fifos : 1; - - a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; - if (appns_id) - { - a->namespace_id = appns_id; - a->options[APP_OPTIONS_FLAGS] |= appns_flags; - a->options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret; - } - - if (vnet_application_attach (a)) - { - clib_warning ("failed to attach server"); - return -1; - } - bsm->app_index = a->app_index; - return 0; -} - -static int -server_listen () -{ - builtin_server_main_t *bsm = &builtin_server_main; - vnet_bind_args_t _a, *a = &_a; - memset (a, 0, sizeof (*a)); - a->app_index = bsm->app_index; - a->uri = bsm->server_uri; - return vnet_bind_uri (a); -} - -static int -server_create (vlib_main_t * vm, u8 * appns_id, u64 appns_flags, - u64 appns_secret) -{ - builtin_server_main_t *bsm = &builtin_server_main; - vlib_thread_main_t *vtm = vlib_get_thread_main (); - u32 num_threads; - int i; - - if (bsm->my_client_index == (u32) ~ 0) - { - if (create_api_loopback (vm)) - { - clib_warning ("failed to create api loopback"); - return -1; - } - } - - num_threads = 1 /* main thread */ + vtm->n_threads; - vec_validate (builtin_server_main.vpp_queue, num_threads - 1); - vec_validate (bsm->rx_buf, num_threads - 1); - vec_validate (bsm->rx_retries, num_threads - 1); - - for (i = 0; i < num_threads; i++) - vec_validate (bsm->rx_buf[i], bsm->rcv_buffer_size); - - if (server_attach (appns_id, appns_flags, appns_secret)) - { - clib_warning ("failed to attach server"); - return -1; - } - if (server_listen ()) - { - clib_warning ("failed to start listening"); - return -1; - } - return 0; -} - -static clib_error_t * -server_create_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - builtin_server_main_t *bsm = &builtin_server_main; - u8 server_uri_set = 0, *appns_id = 0; - u64 tmp, appns_flags = 0, appns_secret = 0; - int rv; - - bsm->no_echo = 0; - bsm->fifo_size = 64 << 10; - bsm->rcv_buffer_size = 128 << 10; - bsm->prealloc_fifos = 0; - bsm->private_segment_count = 0; - bsm->private_segment_size = 0; - vec_free (bsm->server_uri); - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "no-echo")) - bsm->no_echo = 1; - else if (unformat (input, "fifo-size %d", &bsm->fifo_size)) - bsm->fifo_size <<= 10; - else if (unformat (input, "rcv-buf-size %d", &bsm->rcv_buffer_size)) - ; - else if (unformat (input, "prealloc-fifos %d", &bsm->prealloc_fifos)) - ; - else if (unformat (input, "private-segment-count %d", - &bsm->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); - bsm->private_segment_size = tmp; - } - else if (unformat (input, "uri %s", &bsm->server_uri)) - server_uri_set = 1; - 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 - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); - } - - vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ ); - - if (!server_uri_set) - bsm->server_uri = (char *) format (0, "tcp://0.0.0.0/1234%c", 0); - - rv = server_create (vm, appns_id, appns_flags, appns_secret); - vec_free (appns_id); - switch (rv) - { - case 0: - break; - default: - return clib_error_return (0, "server_create returned %d", rv); - } - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (server_create_command, static) = -{ - .path = "test tcp server", - .short_help = "test tcp server [no echo][fifo-size <mbytes>] " - "[rcv-buf-size <bytes>][prealloc-fifos <count>]" - "[private-segment-count <count>][private-segment-size <bytes[m|g]>]" - "[uri <tcp://ip/port>]", - .function = server_create_command_fn, -}; -/* *INDENT-ON* */ - -clib_error_t * -builtin_tcp_server_main_init (vlib_main_t * vm) -{ - builtin_server_main_t *bsm = &builtin_server_main; - bsm->my_client_index = ~0; - return 0; -} - -VLIB_INIT_FUNCTION (builtin_tcp_server_main_init); - -/* -* fd.io coding-style-patch-verification: ON -* -* Local Variables: -* eval: (c-set-style "gnu") -* End: -*/ |