+++ /dev/null
-/*
- * echo_client.c - vpp built-in echo client code
- *
- * Copyright (c) 2017-2019 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 <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vnet/session-apps/echo_client.h>
-
-echo_client_main_t echo_client_main;
-
-#define ECHO_CLIENT_DBG (0)
-#define DBG(_fmt, _args...) \
- if (ECHO_CLIENT_DBG) \
- clib_warning (_fmt, ##_args)
-
-static void
-signal_evt_to_cli_i (int *code)
-{
- echo_client_main_t *ecm = &echo_client_main;
- ASSERT (vlib_get_thread_index () == 0);
- vlib_process_signal_event (ecm->vlib_main, ecm->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_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
-{
- u8 *test_data = ecm->connect_test_data;
- int test_buf_len, test_buf_offset, rv;
- u32 bytes_this_chunk;
-
- test_buf_len = vec_len (test_data);
- ASSERT (test_buf_len > 0);
- test_buf_offset = s->bytes_sent % test_buf_len;
- bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
- s->bytes_to_send);
-
- if (!ecm->is_dgram)
- {
- if (ecm->no_copy)
- {
- svm_fifo_t *f = s->data.tx_fifo;
- rv = clib_min (svm_fifo_max_enqueue_prod (f), bytes_this_chunk);
- svm_fifo_enqueue_nocopy (f, rv);
- session_send_io_evt_to_thread_custom (&f->master_session_index,
- s->thread_index,
- SESSION_IO_EVT_TX);
- }
- else
- rv = app_send_stream (&s->data, test_data + test_buf_offset,
- bytes_this_chunk, 0);
- }
- else
- {
- if (ecm->no_copy)
- {
- session_dgram_hdr_t hdr;
- svm_fifo_t *f = s->data.tx_fifo;
- app_session_transport_t *at = &s->data.transport;
- u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
-
- if (max_enqueue <= sizeof (session_dgram_hdr_t))
- return;
-
- max_enqueue -= sizeof (session_dgram_hdr_t);
- rv = clib_min (max_enqueue, bytes_this_chunk);
-
- hdr.data_length = rv;
- hdr.data_offset = 0;
- clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
- sizeof (ip46_address_t));
- hdr.is_ip4 = at->is_ip4;
- hdr.rmt_port = at->rmt_port;
- clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
- sizeof (ip46_address_t));
- hdr.lcl_port = at->lcl_port;
- svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
- svm_fifo_enqueue_nocopy (f, rv);
- session_send_io_evt_to_thread_custom (&f->master_session_index,
- s->thread_index,
- SESSION_IO_EVT_TX);
- }
- else
- rv = app_send_dgram (&s->data, test_data + test_buf_offset,
- bytes_this_chunk, 0);
- }
-
- /* If we managed to enqueue data... */
- if (rv > 0)
- {
- /* Account for it... */
- s->bytes_to_send -= rv;
- s->bytes_sent += rv;
-
- if (ECHO_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;
- }
- }
-}
-
-static void
-receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
-{
- svm_fifo_t *rx_fifo = s->data.rx_fifo;
- u32 thread_index = vlib_get_thread_index ();
- int n_read, i;
-
- if (ecm->test_bytes)
- {
- if (!ecm->is_dgram)
- n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
- vec_len (ecm->rx_buf[thread_index]));
- else
- n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
- vec_len (ecm->rx_buf[thread_index]));
- }
- else
- {
- n_read = svm_fifo_max_dequeue_cons (rx_fifo);
- svm_fifo_dequeue_drop (rx_fifo, n_read);
- }
-
- if (n_read > 0)
- {
- if (ECHO_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 (ecm->test_bytes)
- {
- for (i = 0; i < n_read; i++)
- {
- if (ecm->rx_buf[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,
- ecm->rx_buf[thread_index][i],
- ((s->bytes_received + i) & 0xff));
- ecm->test_failed = 1;
- }
- }
- }
- ASSERT (n_read <= s->bytes_to_receive);
- s->bytes_to_receive -= n_read;
- s->bytes_received += n_read;
- }
-}
-
-static uword
-echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- echo_client_main_t *ecm = &echo_client_main;
- int my_thread_index = vlib_get_thread_index ();
- eclient_session_t *sp;
- int i;
- int delete_session;
- u32 *connection_indices;
- u32 *connections_this_batch;
- u32 nconnections_this_batch;
-
- connection_indices = ecm->connection_index_by_thread[my_thread_index];
- connections_this_batch =
- ecm->connections_this_batch_by_thread[my_thread_index];
-
- if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
- ((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 (ecm->connections_per_batch, vec_len (connection_indices));
-
- ASSERT (nconnections_this_batch > 0);
- vec_validate (connections_this_batch, nconnections_this_batch - 1);
- clib_memcpy_fast (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 (ecm->prev_conns != ecm->connections_per_batch
- && ecm->prev_conns == vec_len (connections_this_batch)))
- {
- ecm->repeats++;
- ecm->prev_conns = vec_len (connections_this_batch);
- if (ecm->repeats == 500000)
- {
- clib_warning ("stuck clients");
- }
- }
- else
- {
- ecm->prev_conns = vec_len (connections_this_batch);
- ecm->repeats = 0;
- }
-
- for (i = 0; i < vec_len (connections_this_batch); i++)
- {
- delete_session = 1;
-
- sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
-
- if (sp->bytes_to_send > 0)
- {
- send_data_chunk (ecm, sp);
- delete_session = 0;
- }
- if (sp->bytes_to_receive > 0)
- {
- delete_session = 0;
- }
- if (PREDICT_FALSE (delete_session == 1))
- {
- session_t *s;
-
- clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
- clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
- s = session_get_from_handle_if_valid (sp->vpp_session_handle);
-
- if (s)
- {
- vnet_disconnect_args_t _a, *a = &_a;
- a->handle = session_handle (s);
- a->app_index = ecm->app_index;
- vnet_disconnect_session (a);
-
- vec_delete (connections_this_batch, 1, i);
- i--;
- clib_atomic_fetch_add (&ecm->ready_connections, -1);
- }
- else
- {
- clib_warning ("session AWOL?");
- vec_delete (connections_this_batch, 1, i);
- }
-
- /* Kick the debug CLI process */
- if (ecm->ready_connections == 0)
- {
- signal_evt_to_cli (2);
- }
- }
- }
-
- ecm->connection_index_by_thread[my_thread_index] = connection_indices;
- ecm->connections_this_batch_by_thread[my_thread_index] =
- connections_this_batch;
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (echo_clients_node) =
-{
- .function = echo_client_node_fn,
- .name = "echo-clients",
- .type = VLIB_NODE_TYPE_INPUT,
- .state = VLIB_NODE_STATE_DISABLED,
-};
-/* *INDENT-ON* */
-
-static int
-create_api_loopback (echo_client_main_t * ecm)
-{
- api_main_t *am = &api_main;
- vl_shmem_hdr_t *shmem_hdr;
-
- shmem_hdr = am->shmem_hdr;
- ecm->vl_input_queue = shmem_hdr->vl_input_queue;
- ecm->my_client_index = vl_api_memclnt_create_internal ("echo_client",
- ecm->vl_input_queue);
- return 0;
-}
-
-static int
-echo_clients_init (vlib_main_t * vm)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vlib_thread_main_t *vtm = vlib_get_thread_main ();
- u32 num_threads;
- int i;
-
- if (create_api_loopback (ecm))
- return -1;
-
- num_threads = 1 /* main thread */ + vtm->n_threads;
-
- /* Init test data. Big buffer */
- vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
- for (i = 0; i < vec_len (ecm->connect_test_data); i++)
- ecm->connect_test_data[i] = i & 0xff;
-
- vec_validate (ecm->rx_buf, num_threads - 1);
- for (i = 0; i < num_threads; i++)
- vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
-
- ecm->is_init = 1;
-
- vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
- vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
- vec_validate (ecm->quic_session_index_by_thread, vtm->n_vlib_mains);
- vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
-
- return 0;
-}
-
-static int
-quic_echo_clients_qsession_connected_callback (u32 app_index, u32 api_context,
- session_t * s, u8 is_fail)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vnet_connect_args_t *a = 0;
- int rv;
- u8 thread_index = vlib_get_thread_index ();
- session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
- u32 stream_n;
-
- DBG ("QUIC Connection handle %d", session_handle (s));
-
- vec_validate (a, 1);
- a->uri = (char *) ecm->connect_uri;
- parse_uri (a->uri, &sep);
- sep.transport_opts = session_handle (s);
- sep.port = 0; /* QUIC: create a stream flag */
-
- for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
- {
- clib_memset (a, 0, sizeof (*a));
- a->app_index = ecm->app_index;
- a->api_context = -1 - api_context;
- clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
-
- DBG ("QUIC opening stream %d", stream_n);
- if ((rv = vnet_connect (a)))
- {
- clib_error ("Stream session %d opening failed: %d", stream_n, rv);
- return -1;
- }
- DBG ("QUIC stream %d connected", stream_n);
- }
- vec_add1 (ecm->quic_session_index_by_thread[thread_index],
- session_handle (s));
- vec_free (a);
- return 0;
-}
-
-static int
-quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
- session_t * s, u8 is_fail)
-{
- echo_client_main_t *ecm = &echo_client_main;
- eclient_session_t *session;
- u32 session_index;
- u8 thread_index;
-
- if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
- return -1;
-
- if (is_fail)
- {
- clib_warning ("connection %d failed!", api_context);
- ecm->run_test = ECHO_CLIENTS_EXITING;
- signal_evt_to_cli (-1);
- return 0;
- }
-
- if (s->listener_handle == SESSION_INVALID_HANDLE)
- return quic_echo_clients_qsession_connected_callback (app_index,
- api_context, s,
- is_fail);
- DBG ("STREAM Connection callback %d", api_context);
-
- thread_index = s->thread_index;
- ASSERT (thread_index == vlib_get_thread_index ()
- || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
-
- if (!ecm->vpp_event_queue[thread_index])
- ecm->vpp_event_queue[thread_index] =
- session_main_get_vpp_event_queue (thread_index);
-
- /*
- * Setup session
- */
- clib_spinlock_lock_if_init (&ecm->sessions_lock);
- pool_get (ecm->sessions, session);
- clib_spinlock_unlock_if_init (&ecm->sessions_lock);
-
- clib_memset (session, 0, sizeof (*session));
- session_index = session - ecm->sessions;
- session->bytes_to_send = ecm->bytes_to_send;
- session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
- session->data.rx_fifo = s->rx_fifo;
- session->data.rx_fifo->client_session_index = session_index;
- session->data.tx_fifo = s->tx_fifo;
- session->data.tx_fifo->client_session_index = session_index;
- session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
- session->vpp_session_handle = session_handle (s);
-
- if (ecm->is_dgram)
- {
- transport_connection_t *tc;
- tc = session_get_transport (s);
- clib_memcpy_fast (&session->data.transport, tc,
- sizeof (session->data.transport));
- session->data.is_dgram = 1;
- }
-
- vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
- clib_atomic_fetch_add (&ecm->ready_connections, 1);
- if (ecm->ready_connections == ecm->expected_connections)
- {
- ecm->run_test = ECHO_CLIENTS_RUNNING;
- /* Signal the CLI process that the action is starting... */
- signal_evt_to_cli (1);
- }
-
- return 0;
-}
-
-static int
-echo_clients_session_connected_callback (u32 app_index, u32 api_context,
- session_t * s, u8 is_fail)
-{
- echo_client_main_t *ecm = &echo_client_main;
- eclient_session_t *session;
- u32 session_index;
- u8 thread_index;
-
- if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
- return -1;
-
- if (is_fail)
- {
- clib_warning ("connection %d failed!", api_context);
- ecm->run_test = ECHO_CLIENTS_EXITING;
- signal_evt_to_cli (-1);
- return 0;
- }
-
- thread_index = s->thread_index;
- ASSERT (thread_index == vlib_get_thread_index ()
- || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
-
- if (!ecm->vpp_event_queue[thread_index])
- ecm->vpp_event_queue[thread_index] =
- session_main_get_vpp_event_queue (thread_index);
-
- /*
- * Setup session
- */
- clib_spinlock_lock_if_init (&ecm->sessions_lock);
- pool_get (ecm->sessions, session);
- clib_spinlock_unlock_if_init (&ecm->sessions_lock);
-
- clib_memset (session, 0, sizeof (*session));
- session_index = session - ecm->sessions;
- session->bytes_to_send = ecm->bytes_to_send;
- session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
- session->data.rx_fifo = s->rx_fifo;
- session->data.rx_fifo->client_session_index = session_index;
- session->data.tx_fifo = s->tx_fifo;
- session->data.tx_fifo->client_session_index = session_index;
- session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
- session->vpp_session_handle = session_handle (s);
-
- if (ecm->is_dgram)
- {
- transport_connection_t *tc;
- tc = session_get_transport (s);
- clib_memcpy_fast (&session->data.transport, tc,
- sizeof (session->data.transport));
- session->data.is_dgram = 1;
- }
-
- vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
- clib_atomic_fetch_add (&ecm->ready_connections, 1);
- if (ecm->ready_connections == ecm->expected_connections)
- {
- ecm->run_test = ECHO_CLIENTS_RUNNING;
- /* Signal the CLI process that the action is starting... */
- signal_evt_to_cli (1);
- }
-
- return 0;
-}
-
-static void
-echo_clients_session_reset_callback (session_t * s)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vnet_disconnect_args_t _a = { 0 }, *a = &_a;
-
- if (s->session_state == SESSION_STATE_READY)
- clib_warning ("Reset active connection %U", format_session, s, 2);
-
- a->handle = session_handle (s);
- a->app_index = ecm->app_index;
- vnet_disconnect_session (a);
- return;
-}
-
-static int
-echo_clients_session_create_callback (session_t * s)
-{
- return 0;
-}
-
-static void
-echo_clients_session_disconnect_callback (session_t * s)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vnet_disconnect_args_t _a = { 0 }, *a = &_a;
- a->handle = session_handle (s);
- a->app_index = ecm->app_index;
- vnet_disconnect_session (a);
- return;
-}
-
-void
-echo_clients_session_disconnect (session_t * s)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vnet_disconnect_args_t _a = { 0 }, *a = &_a;
- a->handle = session_handle (s);
- a->app_index = ecm->app_index;
- vnet_disconnect_session (a);
-}
-
-static int
-echo_clients_rx_callback (session_t * s)
-{
- echo_client_main_t *ecm = &echo_client_main;
- eclient_session_t *sp;
-
- if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
- {
- echo_clients_session_disconnect (s);
- return -1;
- }
-
- sp = pool_elt_at_index (ecm->sessions, s->rx_fifo->client_session_index);
- receive_data_chunk (ecm, sp);
-
- if (svm_fifo_max_dequeue_cons (s->rx_fifo))
- {
- if (svm_fifo_set_event (s->rx_fifo))
- session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
- }
- return 0;
-}
-
-int
-echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
-{
- /* New heaps may be added */
- return 0;
-}
-
-/* *INDENT-OFF* */
-static session_cb_vft_t echo_clients = {
- .session_reset_callback = echo_clients_session_reset_callback,
- .session_connected_callback = echo_clients_session_connected_callback,
- .session_accept_callback = echo_clients_session_create_callback,
- .session_disconnect_callback = echo_clients_session_disconnect_callback,
- .builtin_app_rx_callback = echo_clients_rx_callback,
- .add_segment_callback = echo_client_add_segment_callback
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
-{
- u32 prealloc_fifos, segment_size = 256 << 20;
- echo_client_main_t *ecm = &echo_client_main;
- vnet_app_attach_args_t _a, *a = &_a;
- u64 options[16];
- int rv;
-
- clib_memset (a, 0, sizeof (*a));
- clib_memset (options, 0, sizeof (options));
-
- a->api_client_index = ecm->my_client_index;
- if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
- echo_clients.session_connected_callback =
- quic_echo_clients_session_connected_callback;
- a->session_cb_vft = &echo_clients;
-
- prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
-
- if (ecm->private_segment_size)
- segment_size = ecm->private_segment_size;
-
- options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
- options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
- options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
- options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
- options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
- options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
- options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
- options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
- options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
- 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 ((rv = vnet_application_attach (a)))
- return clib_error_return (0, "attach returned %d", rv);
-
- ecm->app_index = a->app_index;
- return 0;
-}
-
-static int
-echo_clients_detach ()
-{
- echo_client_main_t *ecm = &echo_client_main;
- vnet_app_detach_args_t _da, *da = &_da;
- int rv;
-
- da->app_index = ecm->app_index;
- da->api_client_index = ~0;
- rv = vnet_application_detach (da);
- ecm->test_client_attached = 0;
- ecm->app_index = ~0;
- return rv;
-}
-
-static void *
-echo_client_thread_fn (void *arg)
-{
- return 0;
-}
-
-/** Start a transmit thread */
-int
-echo_clients_start_tx_pthread (echo_client_main_t * ecm)
-{
- if (ecm->client_thread_handle == 0)
- {
- int rv = pthread_create (&ecm->client_thread_handle,
- NULL /*attr */ ,
- echo_client_thread_fn, 0);
- if (rv)
- {
- ecm->client_thread_handle = 0;
- return -1;
- }
- }
- return 0;
-}
-
-clib_error_t *
-echo_clients_connect (vlib_main_t * vm, u32 n_clients)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vnet_connect_args_t _a, *a = &_a;
- int i, rv;
-
- clib_memset (a, 0, sizeof (*a));
-
- for (i = 0; i < n_clients; i++)
- {
- a->uri = (char *) ecm->connect_uri;
- a->api_context = i;
- a->app_index = ecm->app_index;
- if ((rv = vnet_connect_uri (a)))
- return clib_error_return (0, "connect returned: %d", rv);
-
- /* Crude pacing for call setups */
- if ((i % 16) == 0)
- vlib_process_suspend (vm, 100e-6);
- ASSERT (i + 1 >= ecm->ready_connections);
- while (i + 1 - ecm->ready_connections > 128)
- vlib_process_suspend (vm, 1e-3);
- }
- return 0;
-}
-
-#define ec_cli_output(_fmt, _args...) \
- if (!ecm->no_output) \
- vlib_cli_output(vm, _fmt, ##_args)
-
-static clib_error_t *
-echo_clients_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- echo_client_main_t *ecm = &echo_client_main;
- vlib_thread_main_t *thread_main = vlib_get_thread_main ();
- u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
- f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
- char *default_uri = "tcp://6.0.1.1/1234";
- uword *event_data = 0, event_type;
- f64 time_before_connects;
- u32 n_clients = 1;
- int preallocate_sessions = 0;
- char *transfer_type;
- clib_error_t *error = 0;
- u8 *appns_id = 0;
- int i;
- session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
- int rv;
-
- ecm->quic_streams = 1;
- ecm->bytes_to_send = 8192;
- ecm->no_return = 0;
- ecm->fifo_size = 64 << 10;
- ecm->connections_per_batch = 1000;
- ecm->private_segment_count = 0;
- ecm->private_segment_size = 0;
- ecm->no_output = 0;
- ecm->test_bytes = 0;
- ecm->test_failed = 0;
- ecm->vlib_main = vm;
- ecm->tls_engine = TLS_ENGINE_OPENSSL;
- ecm->no_copy = 0;
- ecm->run_test = ECHO_CLIENTS_STARTING;
-
- if (thread_main->n_vlib_mains > 1)
- clib_spinlock_init (&ecm->sessions_lock);
- vec_free (ecm->connect_uri);
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "uri %s", &ecm->connect_uri))
- ;
- else if (unformat (input, "nclients %d", &n_clients))
- ;
- else if (unformat (input, "quic-streams %d", &ecm->quic_streams))
- ;
- else if (unformat (input, "mbytes %lld", &tmp))
- ecm->bytes_to_send = tmp << 20;
- else if (unformat (input, "gbytes %lld", &tmp))
- ecm->bytes_to_send = tmp << 30;
- else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
- ;
- else if (unformat (input, "test-timeout %f", &test_timeout))
- ;
- else if (unformat (input, "syn-timeout %f", &syn_timeout))
- ;
- else if (unformat (input, "no-return"))
- ecm->no_return = 1;
- else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
- ecm->fifo_size <<= 10;
- else if (unformat (input, "private-segment-count %d",
- &ecm->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);
- ecm->private_segment_size = tmp;
- }
- else if (unformat (input, "preallocate-fifos"))
- ecm->prealloc_fifos = 1;
- else if (unformat (input, "preallocate-sessions"))
- preallocate_sessions = 1;
- else
- if (unformat (input, "client-batch %d", &ecm->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"))
- ecm->no_output = 1;
- else if (unformat (input, "test-bytes"))
- ecm->test_bytes = 1;
- else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
- ;
- else
- return clib_error_return (0, "failed: unknown input `%U'",
- format_unformat_error, input);
- }
-
- /* Store cli process node index for signalling */
- ecm->cli_node_index =
- vlib_get_current_process (vm)->node_runtime.node_index;
-
- if (ecm->is_init == 0)
- {
- if (echo_clients_init (vm))
- return clib_error_return (0, "failed init");
- }
-
-
- ecm->ready_connections = 0;
- ecm->expected_connections = n_clients * ecm->quic_streams;
- ecm->rx_total = 0;
- ecm->tx_total = 0;
-
- if (!ecm->connect_uri)
- {
- clib_warning ("No uri provided. Using default: %s", default_uri);
- ecm->connect_uri = format (0, "%s%c", default_uri, 0);
- }
-
- if ((rv = parse_uri ((char *) ecm->connect_uri, &sep)))
- return clib_error_return (0, "Uri parse error: %d", rv);
- ecm->transport_proto = sep.transport_proto;
- ecm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
-
-#if ECHO_CLIENT_PTHREAD
- echo_clients_start_tx_pthread ();
-#endif
-
- vlib_worker_thread_barrier_sync (vm);
- vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
- vlib_worker_thread_barrier_release (vm);
-
- if (ecm->test_client_attached == 0)
- {
- if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
- {
- vec_free (appns_id);
- clib_error_report (error);
- return error;
- }
- vec_free (appns_id);
- }
- ecm->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], echo_clients_node.index,
- VLIB_NODE_STATE_POLLING);
-
- if (preallocate_sessions)
- pool_init_fixed (ecm->sessions, 1.1 * n_clients);
-
- /* Fire off connect requests */
- time_before_connects = vlib_time_now (vm);
- if ((error = echo_clients_connect (vm, n_clients)))
- goto cleanup;
-
- /* 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:
- ec_cli_output ("Timeout with only %d sessions active...",
- ecm->ready_connections);
- error = clib_error_return (0, "failed: syn timeout with %d sessions",
- ecm->ready_connections);
- goto cleanup;
-
- case 1:
- delta = vlib_time_now (vm) - time_before_connects;
- if (delta != 0.0)
- ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
- n_clients, delta, ((f64) n_clients) / delta);
-
- ecm->test_start_time = vlib_time_now (ecm->vlib_main);
- ec_cli_output ("Test started at %.6f", ecm->test_start_time);
- break;
-
- default:
- ec_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:
- ec_cli_output ("Timeout with %d sessions still active...",
- ecm->ready_connections);
- error = clib_error_return (0, "failed: timeout with %d sessions",
- ecm->ready_connections);
- goto cleanup;
-
- case 2:
- ecm->test_end_time = vlib_time_now (vm);
- ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
- break;
-
- default:
- ec_cli_output ("unexpected event(2): %d", event_type);
- error = clib_error_return (0, "failed: unexpected event(2): %d",
- event_type);
- goto cleanup;
- }
-
- delta = ecm->test_end_time - ecm->test_start_time;
- if (delta != 0.0)
- {
- total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
- transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
- ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
- total_bytes, total_bytes / (1ULL << 20),
- total_bytes / (1ULL << 30), delta);
- ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
- transfer_type);
- ec_cli_output ("%.4f gbit/second %s",
- (((f64) total_bytes * 8.0) / delta / 1e9),
- transfer_type);
- }
- else
- {
- ec_cli_output ("zero delta-t?");
- error = clib_error_return (0, "failed: zero delta-t");
- goto cleanup;
- }
-
- if (ecm->test_bytes && ecm->test_failed)
- error = clib_error_return (0, "failed: test bytes");
-
-cleanup:
- ecm->run_test = ECHO_CLIENTS_EXITING;
- vlib_process_wait_for_event_or_clock (vm, 10e-3);
- for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
- {
- vec_reset_length (ecm->connection_index_by_thread[i]);
- vec_reset_length (ecm->connections_this_batch_by_thread[i]);
- vec_reset_length (ecm->quic_session_index_by_thread[i]);
- }
-
- pool_free (ecm->sessions);
-
- /* Detach the application, so we can use different fifo sizes next time */
- if (ecm->test_client_attached)
- {
- if (echo_clients_detach ())
- {
- error = clib_error_return (0, "failed: app detach");
- ec_cli_output ("WARNING: app detach failed...");
- }
- }
- if (error)
- ec_cli_output ("test failed");
- vec_free (ecm->connect_uri);
- return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (echo_clients_command, static) =
-{
- .path = "test echo clients",
- .short_help = "test echo 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 = echo_clients_command_fn,
- .is_mp_safe = 1,
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-echo_clients_main_init (vlib_main_t * vm)
-{
- echo_client_main_t *ecm = &echo_client_main;
- ecm->is_init = 0;
- return 0;
-}
-
-VLIB_INIT_FUNCTION (echo_clients_main_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff