diff options
Diffstat (limited to 'src/tests')
| -rw-r--r-- | src/tests/vnet/session/quic_echo.c | 1841 | ||||
| -rw-r--r-- | src/tests/vnet/session/tcp_echo.c | 1414 | ||||
| -rw-r--r-- | src/tests/vnet/session/udp_echo.c | 1256 |
3 files changed, 0 insertions, 4511 deletions
diff --git a/src/tests/vnet/session/quic_echo.c b/src/tests/vnet/session/quic_echo.c deleted file mode 100644 index a62af642b2f..00000000000 --- a/src/tests/vnet/session/quic_echo.c +++ /dev/null @@ -1,1841 +0,0 @@ -/* - * Copyright (c) 2019 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdio.h> -#include <signal.h> - -#include <vnet/session/application_interface.h> -#include <vlibmemory/api.h> - -#include <vpp/api/vpe_msg_enum.h> -#include <svm/fifo_segment.h> - -#define vl_typedefs /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_typedefs - -/* declare message handlers for each api */ - -#define vl_endianfun /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_endianfun - -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) -#define vl_printfun -#include <vpp/api/vpe_all_api_h.h> -#undef vl_printfun - -#define QUIC_ECHO_DBG 0 -#define DBG(_fmt, _args...) \ - if (QUIC_ECHO_DBG) \ - clib_warning (_fmt, ##_args) - -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); -#define _(type, name) type name; - foreach_app_session_field -#undef _ - u64 vpp_session_handle; - u64 bytes_sent; - u64 bytes_to_send; - volatile u64 bytes_received; - volatile u64 bytes_to_receive; - f64 start; -} echo_session_t; - -typedef enum -{ - STATE_START, - STATE_ATTACHED, - STATE_LISTEN, - STATE_READY, - STATE_DISCONNECTING, - STATE_FAILED, - STATE_DETACHED -} connection_state_t; - -typedef enum -{ - ECHO_EVT_START, /* app starts */ - ECHO_EVT_FIRST_QCONNECT, /* First connect Quic session sent */ - ECHO_EVT_LAST_QCONNECTED, /* All Quic session are connected */ - ECHO_EVT_FIRST_SCONNECT, /* First connect Stream session sent */ - ECHO_EVT_LAST_SCONNECTED, /* All Stream session are connected */ - ECHO_EVT_LAST_BYTE, /* Last byte received */ - ECHO_EVT_EXIT, /* app exits */ -} echo_test_evt_t; - -enum quic_session_type_t -{ - QUIC_SESSION_TYPE_QUIC = 0, - QUIC_SESSION_TYPE_STREAM = 1, - QUIC_SESSION_TYPE_LISTEN = INT32_MAX, -}; - -typedef struct _quic_echo_cb_vft -{ - void (*quic_connected_cb) (session_connected_msg_t * mp, u32 session_index); - void (*client_stream_connected_cb) (session_connected_msg_t * mp, - u32 session_index); - void (*server_stream_connected_cb) (session_connected_msg_t * mp, - u32 session_index); - void (*quic_accepted_cb) (session_accepted_msg_t * mp, u32 session_index); - void (*client_stream_accepted_cb) (session_accepted_msg_t * mp, - u32 session_index); - void (*server_stream_accepted_cb) (session_accepted_msg_t * mp, - u32 session_index); -} quic_echo_cb_vft_t; - - -typedef enum -{ - RETURN_PACKETS_NOTEST, - RETURN_PACKETS_LOG_WRONG, - RETURN_PACKETS_ASSERT, -} test_return_packets_t; - -typedef struct -{ - /* vpe input queue */ - svm_queue_t *vl_input_queue; - - /* API client handle */ - u32 my_client_index; - - /* The URI we're playing with */ - u8 *uri; - - /* Session pool */ - echo_session_t *sessions; - - /* Hash table for disconnect processing */ - uword *session_index_by_vpp_handles; - /* Handle of vpp listener session */ - u64 listener_handle; - - /* Hash table for shared segment_names */ - uword *shared_segment_handles; - clib_spinlock_t segment_handles_lock; - - /* intermediate rx buffer */ - u8 *rx_buf; - - int i_am_master; - - /* drop all packets */ - int no_return; - - /* Our event queue */ - svm_msg_q_t *our_event_queue; - - u8 *socket_name; - - pid_t my_pid; - - /* For deadman timers */ - clib_time_t clib_time; - - /* State of the connection, shared between msg RX thread and main thread */ - volatile connection_state_t state; - - /* Signal variables */ - volatile int time_to_stop; - - /* VNET_API_ERROR_FOO -> "Foo" hash table */ - uword *error_string_by_error_number; - - u8 *connect_test_data; - pthread_t *client_thread_handles; - u32 *thread_args; - u8 test_return_packets; - u64 bytes_to_send; - u64 bytes_to_receive; - u32 fifo_size; - - u8 *appns_id; - u64 appns_flags; - u64 appns_secret; - - u32 n_clients; /* Target number of QUIC sessions */ - u32 n_stream_clients; /* Target Number of STREAM sessions per QUIC session */ - volatile u32 n_quic_clients_connected; /* Number of connected QUIC sessions */ - volatile u32 n_clients_connected; /* Number of STREAM sessions connected */ - - u64 tx_total; - u64 rx_total; - - /* Event based timing : start & end depend on CLI specified events */ - u8 first_sconnect_sent; /* Sent the first Stream session connect ? */ - f64 start_time; - f64 end_time; - u8 timing_start_event; - u8 timing_end_event; - - /* cb vft for QUIC scenarios */ - quic_echo_cb_vft_t cb_vft; - - /** Flag that decides if socket, instead of svm, api is used to connect to - * vpp. If sock api is used, shm binary api is subsequently bootstrapped - * and all other messages are exchanged using shm IPC. */ - u8 use_sock_api; - - /* Limit the number of incorrect data messages */ - int max_test_msg; - - fifo_segment_main_t segment_main; -} echo_main_t; - -echo_main_t echo_main; - -#if CLIB_DEBUG > 0 -#define NITER 10000 -#else -#define NITER 4000000 -#endif - -#if CLIB_DEBUG > 0 -#define TIMEOUT 10.0 -#else -#define TIMEOUT 10.0 -#endif - -u8 * -format_quic_echo_state (u8 * s, va_list * args) -{ - u32 state = va_arg (*args, u32); - if (state == STATE_START) - return format (s, "STATE_START"); - if (state == STATE_ATTACHED) - return format (s, "STATE_ATTACHED"); - if (state == STATE_LISTEN) - return format (s, "STATE_LISTEN"); - if (state == STATE_READY) - return format (s, "STATE_READY"); - if (state == STATE_DISCONNECTING) - return format (s, "STATE_DISCONNECTING"); - if (state == STATE_FAILED) - return format (s, "STATE_FAILED"); - if (state == STATE_DETACHED) - return format (s, "STATE_DETACHED"); - else - return format (s, "unknown state"); -} - -static u8 * -format_api_error (u8 * s, va_list * args) -{ - echo_main_t *em = &echo_main; - i32 error = va_arg (*args, u32); - uword *p; - - p = hash_get (em->error_string_by_error_number, -error); - - if (p) - s = format (s, "%s", p[0]); - else - s = format (s, "%d", error); - return s; -} - -static void -quic_echo_notify_event (echo_main_t * em, echo_test_evt_t e) -{ - if (em->timing_start_event == e) - em->start_time = clib_time_now (&em->clib_time); - else if (em->timing_end_event == e) - em->end_time = clib_time_now (&em->clib_time); -} - -static uword -echo_unformat_timing_event (unformat_input_t * input, va_list * args) -{ - echo_test_evt_t *a = va_arg (*args, echo_test_evt_t *); - if (unformat (input, "start")) - *a = ECHO_EVT_START; - else if (unformat (input, "qconnect")) - *a = ECHO_EVT_FIRST_QCONNECT; - else if (unformat (input, "qconnected")) - *a = ECHO_EVT_LAST_QCONNECTED; - else if (unformat (input, "sconnect")) - *a = ECHO_EVT_FIRST_SCONNECT; - else if (unformat (input, "sconnected")) - *a = ECHO_EVT_LAST_SCONNECTED; - else if (unformat (input, "lastbyte")) - *a = ECHO_EVT_LAST_BYTE; - else if (unformat (input, "exit")) - *a = ECHO_EVT_EXIT; - else - return 0; - return 1; -} - -u8 * -echo_format_timing_event (u8 * s, va_list * args) -{ - u32 timing_event = va_arg (*args, u32); - if (timing_event == ECHO_EVT_START) - return format (s, "start"); - if (timing_event == ECHO_EVT_FIRST_QCONNECT) - return format (s, "qconnect"); - if (timing_event == ECHO_EVT_LAST_QCONNECTED) - return format (s, "qconnected"); - if (timing_event == ECHO_EVT_FIRST_SCONNECT) - return format (s, "sconnect"); - if (timing_event == ECHO_EVT_LAST_SCONNECTED) - return format (s, "sconnected"); - if (timing_event == ECHO_EVT_LAST_BYTE) - return format (s, "lastbyte"); - if (timing_event == ECHO_EVT_EXIT) - return format (s, "exit"); - else - return format (s, "unknown timing event"); -} - -static void -init_error_string_table (echo_main_t * em) -{ - em->error_string_by_error_number = hash_create (0, sizeof (uword)); - -#define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s); - foreach_vnet_api_error; -#undef _ - - hash_set (em->error_string_by_error_number, 99, "Misc"); -} - -static void handle_mq_event (echo_main_t * em, session_event_t * e, - int handle_rx); -static void echo_handle_rx (echo_main_t * em, session_event_t * e); - -static int -wait_for_segment_allocation (u64 segment_handle) -{ - echo_main_t *em = &echo_main; - f64 timeout; - timeout = clib_time_now (&em->clib_time) + TIMEOUT; - uword *segment_present; - DBG ("Waiting for segment %lx...", segment_handle); - while (clib_time_now (&em->clib_time) < timeout) - { - clib_spinlock_lock (&em->segment_handles_lock); - segment_present = hash_get (em->shared_segment_handles, segment_handle); - clib_spinlock_unlock (&em->segment_handles_lock); - if (segment_present != 0) - return 0; - if (em->time_to_stop == 1) - return 0; - } - DBG ("timeout waiting for segment_allocation %lx", segment_handle); - return -1; -} - -static int -wait_for_disconnected_sessions (echo_main_t * em) -{ - f64 timeout; - timeout = clib_time_now (&em->clib_time) + TIMEOUT; - while (clib_time_now (&em->clib_time) < timeout) - { - if (hash_elts (em->session_index_by_vpp_handles) == 0) - return 0; - } - DBG ("timeout waiting for disconnected_sessions"); - return -1; -} - -static int -wait_for_state_change (echo_main_t * em, connection_state_t state, - f64 timeout) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - f64 end_time = clib_time_now (&em->clib_time) + timeout; - - while (!timeout || clib_time_now (&em->clib_time) < end_time) - { - if (em->state == state) - return 0; - if (em->state == STATE_FAILED) - return -1; - if (em->time_to_stop == 1) - return 0; - if (!em->our_event_queue || em->state < STATE_ATTACHED) - continue; - - if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0)) - continue; - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - handle_mq_event (em, e, 0 /* handle_rx */ ); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - clib_warning ("timeout waiting for state %U", format_quic_echo_state, - state); - return -1; -} - -static void -notify_rx_data_to_vpp (echo_session_t * s) -{ - svm_fifo_t *f = s->tx_fifo; - return; /* FOR NOW */ - if (svm_fifo_set_event (f)) - { - DBG ("did send event"); - app_send_io_evt_to_vpp (s->vpp_evt_q, f->master_session_index, - SESSION_IO_EVT_TX, 0 /* noblock */ ); - } -} - -void -application_send_attach (echo_main_t * em) -{ - vl_api_application_attach_t *bmp; - vl_api_application_tls_cert_add_t *cert_mp; - vl_api_application_tls_key_add_t *key_mp; - - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT; - bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT; - bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16; - bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size; - bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size; - bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20; - bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20; - bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256; - if (em->appns_id) - { - bmp->namespace_id_len = vec_len (em->appns_id); - clib_memcpy_fast (bmp->namespace_id, em->appns_id, - bmp->namespace_id_len); - bmp->options[APP_OPTIONS_FLAGS] |= em->appns_flags; - bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = em->appns_secret; - } - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); - - cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len); - clib_memset (cert_mp, 0, sizeof (*cert_mp)); - cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD); - cert_mp->client_index = em->my_client_index; - cert_mp->context = ntohl (0xfeedface); - cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len); - clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp); - - key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len); - clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len); - key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD); - key_mp->client_index = em->my_client_index; - key_mp->context = ntohl (0xfeedface); - key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len); - clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp); -} - -static int -application_attach (echo_main_t * em) -{ - application_send_attach (em); - return wait_for_state_change (em, STATE_ATTACHED, TIMEOUT); -} - -void -application_detach (echo_main_t * em) -{ - vl_api_application_detach_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); - - DBG ("%s", "Sent detach"); -} - -static int -ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd) -{ - fifo_segment_create_args_t _a, *a = &_a; - fifo_segment_main_t *sm = &echo_main.segment_main; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) name; - a->segment_type = type; - - if (type == SSVM_SEGMENT_MEMFD) - a->memfd_fd = fd; - - if ((rv = fifo_segment_attach (sm, a))) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", name); - return rv; - } - vec_reset_length (a->new_segment_indices); - return 0; -} - -static void -vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - int *fds = 0; - u32 n_fds = 0; - u64 segment_handle; - segment_handle = clib_net_to_host_u64 (mp->segment_handle); - DBG ("Attached returned app %u", htons (mp->app_index)); - - if (mp->retval) - { - clib_warning ("attach failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - goto failed; - } - - if (mp->segment_name_length == 0) - { - clib_warning ("segment_name_length zero"); - goto failed; - } - - ASSERT (mp->app_event_queue_address); - em->our_event_queue = uword_to_pointer (mp->app_event_queue_address, - svm_msg_q_t *); - - if (mp->n_fds) - { - vec_validate (fds, mp->n_fds); - vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5); - - if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) - if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++])) - goto failed; - - if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) - if (ssvm_segment_attach ((char *) mp->segment_name, - SSVM_SEGMENT_MEMFD, fds[n_fds++])) - goto failed; - - if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) - svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]); - - vec_free (fds); - } - else - { - if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM, - -1)) - goto failed; - } - clib_spinlock_lock (&em->segment_handles_lock); - hash_set (em->shared_segment_handles, segment_handle, 1); - clib_spinlock_unlock (&em->segment_handles_lock); - DBG ("Mapped new segment %lx", segment_handle); - - em->state = STATE_ATTACHED; - return; -failed: - em->state = STATE_FAILED; - return; -} - -static void -vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * - mp) -{ - if (mp->retval) - clib_warning ("detach returned with err: %d", mp->retval); - echo_main.state = STATE_DETACHED; -} - -static void -stop_signal (int signum) -{ - echo_main_t *um = &echo_main; - um->time_to_stop = 1; -} - -static clib_error_t * -setup_signal_handlers (void) -{ - signal (SIGINT, stop_signal); - signal (SIGQUIT, stop_signal); - signal (SIGTERM, stop_signal); - return 0; -} - -int -connect_to_vpp (char *name) -{ - echo_main_t *em = &echo_main; - api_main_t *am = &api_main; - - if (em->use_sock_api) - { - if (vl_socket_client_connect ((char *) em->socket_name, name, - 0 /* default rx, tx buffer */ )) - { - clib_warning ("socket connect failed"); - return -1; - } - - if (vl_socket_client_init_shm (0, 1 /* want_pthread */ )) - { - clib_warning ("init shm api failed"); - return -1; - } - } - else - { - if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0) - { - clib_warning ("shmem connect failed"); - return -1; - } - } - em->vl_input_queue = am->shmem_hdr->vl_input_queue; - em->my_client_index = am->my_client_index; - return 0; -} - -void -disconnect_from_vpp (echo_main_t * em) -{ - if (em->use_sock_api) - vl_socket_client_disconnect (); - else - vl_client_disconnect_from_vlib (); -} - -static void -vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) -{ - fifo_segment_main_t *sm = &echo_main.segment_main; - fifo_segment_create_args_t _a, *a = &_a; - echo_main_t *em = &echo_main; - int rv; - int *fds = 0; - u64 segment_handle; - segment_handle = clib_net_to_host_u64 (mp->segment_handle); - - if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) - { - vec_validate (fds, 1); - vl_socket_client_recv_fd_msg (fds, 1, 5); - if (ssvm_segment_attach - ((char *) mp->segment_name, SSVM_SEGMENT_MEMFD, fds[0])) - clib_warning - ("svm_fifo_segment_attach ('%s') failed on SSVM_SEGMENT_MEMFD", - mp->segment_name); - clib_spinlock_lock (&em->segment_handles_lock); - hash_set (em->shared_segment_handles, segment_handle, 1); - clib_spinlock_unlock (&em->segment_handles_lock); - vec_free (fds); - DBG ("Mapped new segment %lx", segment_handle); - return; - } - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) mp->segment_name; - a->segment_size = mp->segment_size; - /* Attach to the segment vpp created */ - rv = fifo_segment_attach (sm, a); - if (rv) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - return; - } - clib_spinlock_lock (&em->segment_handles_lock); - hash_set (em->shared_segment_handles, mp->segment_name, 1); - clib_spinlock_unlock (&em->segment_handles_lock); - clib_warning ("Mapped new segment '%s' size %d", mp->segment_name, - mp->segment_size); -} - -static void -session_print_stats (echo_main_t * em, echo_session_t * session) -{ - f64 deltat = clib_time_now (&em->clib_time) - session->start; - fformat (stdout, "Session %x done in %.6fs RX[%.4f] TX[%.4f] Gbit/s\n", - session->session_index, deltat, - (session->bytes_received * 8.0) / deltat / 1e9, - (session->bytes_sent * 8.0) / deltat / 1e9); -} - -static void -print_global_stats (echo_main_t * em) -{ - f64 deltat = em->end_time - em->start_time; - u8 *s = format (0, "%U:%U", - echo_format_timing_event, em->timing_start_event, - echo_format_timing_event, em->timing_end_event); - fformat (stdout, "Timinig %s\n", s); - fformat (stdout, "-------- TX --------\n"); - fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n", - em->tx_total, em->tx_total / (1ULL << 20), - em->tx_total / (1ULL << 30), deltat); - fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9); - fformat (stdout, "-------- RX --------\n"); - fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n", - em->rx_total, em->rx_total / (1ULL << 20), - em->rx_total / (1ULL << 30), deltat); - fformat (stdout, "%.4f Gbit/second\n", (em->rx_total * 8.0) / deltat / 1e9); - fformat (stdout, "--------------------\n"); -} - - -static void -test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf, - u32 n_read) -{ - int i; - u8 expected; - for (i = 0; i < n_read; i++) - { - expected = (s->bytes_received + i) & 0xff; - if (rx_buf[i] != expected && em->max_test_msg > 0) - { - clib_warning - ("Session[%lx][0x%lx] byte[%lld], got 0x%x but expected 0x%x", - s->session_index, s->vpp_session_handle, s->bytes_received + i, - rx_buf[i], expected); - em->max_test_msg--; - if (em->max_test_msg == 0) - clib_warning ("Too many errors, hiding next ones"); - if (em->test_return_packets == RETURN_PACKETS_ASSERT) - ASSERT (0); - } - } -} - -static void -recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf) -{ - int n_to_read, n_read; - - n_to_read = svm_fifo_max_dequeue (s->rx_fifo); - if (!n_to_read) - return; - - do - { - n_read = - app_recv_stream ((app_session_t *) s, rx_buf, vec_len (rx_buf)); - if (n_read <= 0) - break; - notify_rx_data_to_vpp (s); - if (em->test_return_packets) - test_recv_bytes (em, s, rx_buf, n_read); - - ASSERT (s->bytes_to_receive >= n_read); - n_to_read -= n_read; - s->bytes_received += n_read; - s->bytes_to_receive -= n_read; - } - while (n_to_read > 0); -} - -static void -send_data_chunk (echo_main_t * em, echo_session_t * s) -{ - u64 test_buf_len, bytes_this_chunk, test_buf_offset; - u8 *test_data = em->connect_test_data; - int n_sent; - - test_buf_len = vec_len (test_data); - test_buf_offset = s->bytes_sent % test_buf_len; - bytes_this_chunk = clib_min (test_buf_len - test_buf_offset, - s->bytes_to_send); - - n_sent = app_send_stream ((app_session_t *) s, test_data + test_buf_offset, - bytes_this_chunk, 0); - - if (n_sent > 0) - { - s->bytes_to_send -= n_sent; - s->bytes_sent += n_sent; - } -} - -/* - * Rx/Tx polling thread per connection - */ -static void * -client_thread_fn (void *arg) -{ - echo_main_t *em = &echo_main; - u8 *rx_buf = 0; - u32 session_index = *(u32 *) arg; - echo_session_t *s; - - vec_validate (rx_buf, 1 << 20); - - while (!em->time_to_stop && em->state != STATE_READY) - ; - - s = pool_elt_at_index (em->sessions, session_index); - while (!em->time_to_stop) - { - send_data_chunk (em, s); - recv_data_chunk (em, s, rx_buf); - if (!s->bytes_to_send && !s->bytes_to_receive) - break; - } - - DBG ("[%lu/%lu] -> S(%x) -> [%lu/%lu]", - s->bytes_received, s->bytes_received + s->bytes_to_receive, - session_index, s->bytes_sent, s->bytes_sent + s->bytes_to_send); - em->tx_total += s->bytes_sent; - em->rx_total += s->bytes_received; - em->n_clients_connected--; - - if (em->n_clients_connected == 0) - quic_echo_notify_event (em, ECHO_EVT_LAST_BYTE); - - pthread_exit (0); -} - -static void -echo_send_connect (echo_main_t * em, u8 * uri, u32 opaque) -{ - vl_api_connect_uri_t *cmp; - cmp = vl_msg_api_alloc (sizeof (*cmp)); - clib_memset (cmp, 0, sizeof (*cmp)); - - cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI); - cmp->client_index = em->my_client_index; - cmp->context = ntohl (opaque); - memcpy (cmp->uri, uri, vec_len (uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp); -} - -static void -client_disconnect_session (echo_main_t * em, echo_session_t * s) -{ - vl_api_disconnect_session_t *dmp; - dmp = vl_msg_api_alloc (sizeof (*dmp)); - clib_memset (dmp, 0, sizeof (*dmp)); - dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION); - dmp->client_index = em->my_client_index; - dmp->handle = s->vpp_session_handle; - DBG ("Sending Session disonnect handle %lu", dmp->handle); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp); - pool_put (em->sessions, s); - clib_memset (s, 0xfe, sizeof (*s)); -} - -static void -session_bound_handler (session_bound_msg_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval) - { - clib_warning ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - clib_warning ("listening on %U:%u", format_ip46_address, mp->lcl_ip, - mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, - clib_net_to_host_u16 (mp->lcl_port)); - em->listener_handle = mp->handle; - em->state = STATE_LISTEN; -} - -static void -session_accepted_handler (session_accepted_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - session_accepted_reply_msg_t *rmp; - svm_fifo_t *rx_fifo, *tx_fifo; - echo_main_t *em = &echo_main; - echo_session_t *session; - u32 session_index; - - /* Allocate local session and set it up */ - pool_get (em->sessions, session); - session_index = session - em->sessions; - - if (wait_for_segment_allocation (mp->segment_handle)) - return; - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->session_index = session_index; - session->vpp_session_handle = mp->handle; - session->start = clib_time_now (&em->clib_time); - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - /* Add it to lookup table */ - DBG ("Accepted session handle %lx, Listener %lx idx %lu", mp->handle, - mp->listener_handle, session_index); - hash_set (em->session_index_by_vpp_handles, mp->handle, session_index); - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_ACCEPTED_REPLY); - rmp = (session_accepted_reply_msg_t *) app_evt->evt->data; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); - - DBG ("SSession handle is %lu", mp->handle); - if (mp->listener_handle == em->listener_handle) - { - if (em->cb_vft.quic_accepted_cb) - em->cb_vft.quic_accepted_cb (mp, session_index); - em->n_quic_clients_connected++; - } - else if (em->i_am_master) - { - if (em->cb_vft.server_stream_accepted_cb) - em->cb_vft.server_stream_accepted_cb (mp, session_index); - em->n_clients_connected++; - } - else - { - if (em->cb_vft.client_stream_accepted_cb) - em->cb_vft.client_stream_accepted_cb (mp, session_index); - em->n_clients_connected++; - } - - if (em->n_clients_connected == em->n_clients * em->n_stream_clients) - { - em->state = STATE_READY; - quic_echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED); - } - if (em->n_quic_clients_connected == em->n_clients) - quic_echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED); -} - -static void -session_connected_handler (session_connected_msg_t * mp) -{ - echo_main_t *em = &echo_main; - echo_session_t *session; - u32 session_index; - svm_fifo_t *rx_fifo, *tx_fifo; - - if (mp->retval) - { - clib_warning ("connection failed with code: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - session_index = session - em->sessions; - DBG ("CONNECTED session[%lx][0x%lx]", session_index, mp->handle); - - if (wait_for_segment_allocation (mp->segment_handle)) - return; - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_session_handle = mp->handle; - session->session_index = session_index; - session->start = clib_time_now (&em->clib_time); - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - DBG ("Connected session handle %lx, idx %lu RX[%lx] TX[%lx]", mp->handle, - session_index, rx_fifo, tx_fifo); - hash_set (em->session_index_by_vpp_handles, mp->handle, session_index); - - if (mp->context == QUIC_SESSION_TYPE_QUIC) - { - if (em->cb_vft.quic_connected_cb) - em->cb_vft.quic_connected_cb (mp, session_index); - em->n_quic_clients_connected++; - } - else if (em->i_am_master) - { - if (em->cb_vft.server_stream_connected_cb) - em->cb_vft.server_stream_connected_cb (mp, session_index); - em->n_clients_connected++; - } - else - { - if (em->cb_vft.client_stream_connected_cb) - em->cb_vft.client_stream_connected_cb (mp, session_index); - em->n_clients_connected++; - } - - if (em->n_clients_connected == em->n_clients * em->n_stream_clients) - { - em->state = STATE_READY; - quic_echo_notify_event (em, ECHO_EVT_LAST_SCONNECTED); - } - if (em->n_quic_clients_connected == em->n_clients) - quic_echo_notify_event (em, ECHO_EVT_LAST_QCONNECTED); -} - -/* - * - * ECHO Callback definitions - * - */ - - -static void -echo_on_connected_connect (session_connected_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - u8 *uri = format (0, "QUIC://session/%lu", mp->handle); - int i; - - if (!em->first_sconnect_sent) - { - em->first_sconnect_sent = 1; - quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); - } - for (i = 0; i < em->n_stream_clients; i++) - { - DBG ("CONNECT : new QUIC stream #%d: %s", i, uri); - echo_send_connect (em, uri, QUIC_SESSION_TYPE_STREAM); - } - - clib_warning ("session %u (0x%llx) connected with local ip %U port %d", - session_index, mp->handle, format_ip46_address, &mp->lcl.ip, - mp->lcl.is_ip4, clib_net_to_host_u16 (mp->lcl.port)); -} - -static void -echo_on_connected_send (session_connected_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - int rv; - echo_session_t *session; - - DBG ("Stream Session Connected"); - - session = pool_elt_at_index (em->sessions, session_index); - session->bytes_to_send = em->bytes_to_send; - session->bytes_to_receive = em->bytes_to_receive; - - /* - * Start RX thread - */ - em->thread_args[em->n_clients_connected] = session_index; - rv = pthread_create (&em->client_thread_handles[em->n_clients_connected], - NULL /*attr */ , client_thread_fn, - (void *) &em->thread_args[em->n_clients_connected]); - if (rv) - { - clib_warning ("pthread_create returned %d", rv); - return; - } -} - -static void -echo_on_connected_error (session_connected_msg_t * mp, u32 session_index) -{ - clib_warning ("Got a wrong connected on session %u [%lx]", session_index, - mp->handle); -} - -static void -echo_on_accept_recv (session_accepted_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - int rv; - echo_session_t *session; - - session = pool_elt_at_index (em->sessions, session_index); - session->bytes_to_send = em->bytes_to_send; - session->bytes_to_receive = em->bytes_to_receive; - - DBG ("Stream session accepted 0x%lx, expecting %lu bytes", - session->vpp_session_handle, session->bytes_to_receive); - - /* - * Start RX thread - */ - em->thread_args[em->n_clients_connected] = session_index; - rv = pthread_create (&em->client_thread_handles[em->n_clients_connected], - NULL /*attr */ , client_thread_fn, - (void *) &em->thread_args[em->n_clients_connected]); - if (rv) - { - clib_warning ("pthread_create returned %d", rv); - return; - } - -} - -static void -echo_on_accept_connect (session_accepted_msg_t * mp, u32 session_index) -{ - echo_main_t *em = &echo_main; - DBG ("Accept on QSession index %u", mp->handle); - u8 *uri = format (0, "QUIC://session/%lu", mp->handle); - u32 i; - - if (!em->first_sconnect_sent) - { - em->first_sconnect_sent = 1; - quic_echo_notify_event (em, ECHO_EVT_FIRST_SCONNECT); - } - for (i = 0; i < em->n_stream_clients; i++) - { - DBG ("ACCEPT : new QUIC stream #%d: %s", i, uri); - echo_send_connect (em, uri, QUIC_SESSION_TYPE_STREAM); - } -} - -static void -echo_on_accept_error (session_accepted_msg_t * mp, u32 session_index) -{ - clib_warning ("Got a wrong accept on session %u [%lx]", session_index, - mp->handle); -} - -static void -echo_on_accept_log_ip (session_accepted_msg_t * mp, u32 session_index) -{ - u8 *ip_str; - ip_str = format (0, "%U", format_ip46_address, &mp->rmt.ip, mp->rmt.is_ip4); - clib_warning ("Accepted session from: %s:%d", ip_str, - clib_net_to_host_u16 (mp->rmt.port)); - -} - -static const quic_echo_cb_vft_t default_cb_vft = { - /* Qsessions */ - .quic_accepted_cb = &echo_on_accept_log_ip, - .quic_connected_cb = &echo_on_connected_connect, - /* client initiated streams */ - .server_stream_accepted_cb = NULL, - .client_stream_connected_cb = &echo_on_connected_send, - /* server initiated streams */ - .client_stream_accepted_cb = &echo_on_accept_error, - .server_stream_connected_cb = &echo_on_connected_error, -}; - -static const quic_echo_cb_vft_t server_stream_cb_vft = { - /* Qsessions */ - .quic_accepted_cb = &echo_on_accept_connect, - .quic_connected_cb = NULL, - /* client initiated streams */ - .server_stream_accepted_cb = &echo_on_accept_error, - .client_stream_connected_cb = &echo_on_connected_error, - /* server initiated streams */ - .client_stream_accepted_cb = &echo_on_accept_recv, - .server_stream_connected_cb = &echo_on_connected_send, -}; - -static uword -echo_unformat_quic_setup_vft (unformat_input_t * input, va_list * args) -{ - echo_main_t *em = &echo_main; - if (unformat (input, "serverstream")) - { - clib_warning ("Using QUIC server initiated streams"); - em->no_return = 1; - em->cb_vft = server_stream_cb_vft; - return 1; - } - else if (unformat (input, "default")) - return 1; - return 0; -} - -static uword -echo_unformat_data (unformat_input_t * input, va_list * args) -{ - u64 _a; - u64 *a = va_arg (*args, u64 *); - if (unformat (input, "%lluGb", &_a)) - { - *a = _a << 30; - return 1; - } - else if (unformat (input, "%lluMb", &_a)) - { - *a = _a << 20; - return 1; - } - else if (unformat (input, "%lluKb", &_a)) - { - *a = _a << 10; - return 1; - } - else if (unformat (input, "%llu", a)) - return 1; - return 0; -} - -/* - * - * End of ECHO callback definitions - * - */ - -static void -session_disconnected_handler (session_disconnected_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - session_disconnected_reply_msg_t *rmp; - echo_main_t *em = &echo_main; - echo_session_t *session = 0; - uword *p; - int rv = 0; - DBG ("Disonnected session handle %lx", mp->handle); - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - if (!p) - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - session = pool_elt_at_index (em->sessions, p[0]); - hash_unset (em->session_index_by_vpp_handles, mp->handle); - - pool_put (em->sessions, session); - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_DISCONNECTED_REPLY); - rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); - - session_print_stats (em, session); -} - -static void -session_reset_handler (session_reset_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - echo_main_t *em = &echo_main; - session_reset_reply_msg_t *rmp; - echo_session_t *session = 0; - uword *p; - int rv = 0; - - DBG ("Reset session handle %lx", mp->handle); - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - - if (p) - { - session = pool_elt_at_index (em->sessions, p[0]); - clib_warning ("got reset"); - /* Cleanup later */ - em->time_to_stop = 1; - } - else - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_RESET_REPLY); - rmp = (session_reset_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); -} - -static void -handle_mq_event (echo_main_t * em, session_event_t * e, int handle_rx) -{ - switch (e->event_type) - { - case SESSION_CTRL_EVT_BOUND: - DBG ("SESSION_CTRL_EVT_BOUND"); - session_bound_handler ((session_bound_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_ACCEPTED: - DBG ("SESSION_CTRL_EVT_ACCEPTED"); - session_accepted_handler ((session_accepted_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_CONNECTED: - DBG ("SESSION_CTRL_EVT_CONNECTED"); - session_connected_handler ((session_connected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_DISCONNECTED: - DBG ("SESSION_CTRL_EVT_DISCONNECTED"); - session_disconnected_handler ((session_disconnected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_RESET: - DBG ("SESSION_CTRL_EVT_RESET"); - session_reset_handler ((session_reset_msg_t *) e->data); - break; - case SESSION_IO_EVT_RX: - DBG ("SESSION_IO_EVT_RX"); - if (handle_rx) - echo_handle_rx (em, e); - break; - default: - clib_warning ("unhandled event %u", e->event_type); - } -} - -static int -clients_run (echo_main_t * em) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - echo_session_t *s; - hash_pair_t *p; - int i; - - /* - * Attach and connect the clients - */ - if (application_attach (em)) - return -1; - - quic_echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT); - for (i = 0; i < em->n_clients; i++) - echo_send_connect (em, em->uri, QUIC_SESSION_TYPE_QUIC); - - wait_for_state_change (em, STATE_READY, TIMEOUT); - - /* - * Wait for client threads to send the data - */ - DBG ("Waiting for data on %u clients", em->n_clients_connected); - while (em->n_clients_connected) - { - if (svm_msg_q_is_empty (em->our_event_queue)) - continue; - if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_TIMEDWAIT, 1)) - continue; - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - handle_mq_event (em, e, 0 /* handle_rx */ ); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - - /* *INDENT-OFF* */ - hash_foreach_pair (p, em->session_index_by_vpp_handles, - ({ - s = pool_elt_at_index (em->sessions, p->value[0]); - DBG ("Sending disconnect on session %lu", p->key); - client_disconnect_session (em, s); - })); - /* *INDENT-ON* */ - - wait_for_disconnected_sessions (em); - application_detach (em); - return 0; -} - -static void -vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp) -{ - echo_main_t *em = &echo_main; - if (mp->retval) - { - clib_warning ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - em->state = STATE_LISTEN; -} - -static void -vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval != 0) - clib_warning ("returned %d", ntohl (mp->retval)); - - em->state = STATE_START; -} - -u8 * -format_ip4_address (u8 * s, va_list * args) -{ - u8 *a = va_arg (*args, u8 *); - return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); -} - -u8 * -format_ip6_address (u8 * s, va_list * args) -{ - ip6_address_t *a = va_arg (*args, ip6_address_t *); - u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon; - - i_max_n_zero = ARRAY_LEN (a->as_u16); - max_n_zeros = 0; - i_first_zero = i_max_n_zero; - n_zeros = 0; - for (i = 0; i < ARRAY_LEN (a->as_u16); i++) - { - u32 is_zero = a->as_u16[i] == 0; - if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16)) - { - i_first_zero = i; - n_zeros = 0; - } - n_zeros += is_zero; - if ((!is_zero && n_zeros > max_n_zeros) - || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros)) - { - i_max_n_zero = i_first_zero; - max_n_zeros = n_zeros; - i_first_zero = ARRAY_LEN (a->as_u16); - n_zeros = 0; - } - } - - last_double_colon = 0; - for (i = 0; i < ARRAY_LEN (a->as_u16); i++) - { - if (i == i_max_n_zero && max_n_zeros > 1) - { - s = format (s, "::"); - i += max_n_zeros - 1; - last_double_colon = 1; - } - else - { - s = format (s, "%s%x", - (last_double_colon || i == 0) ? "" : ":", - clib_net_to_host_u16 (a->as_u16[i])); - last_double_colon = 0; - } - } - - return s; -} - -/* Format an IP46 address. */ -u8 * -format_ip46_address (u8 * s, va_list * args) -{ - ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); - ip46_type_t type = va_arg (*args, ip46_type_t); - int is_ip4 = 1; - - switch (type) - { - case IP46_TYPE_ANY: - is_ip4 = ip46_address_is_ip4 (ip46); - break; - case IP46_TYPE_IP4: - is_ip4 = 1; - break; - case IP46_TYPE_IP6: - is_ip4 = 0; - break; - } - - return is_ip4 ? - format (s, "%U", format_ip4_address, &ip46->ip4) : - format (s, "%U", format_ip6_address, &ip46->ip6); -} - -static void -echo_handle_rx (echo_main_t * em, session_event_t * e) -{ - int n_read, max_dequeue, n_sent; - u32 offset, to_dequeue; - echo_session_t *s; - s = pool_elt_at_index (em->sessions, e->session_index); - - /* Clear event only once. Otherwise, if we do it in the loop by calling - * app_recv_stream, we may end up with a lot of unhandled rx events on the - * message queue */ - svm_fifo_unset_event (s->rx_fifo); - max_dequeue = svm_fifo_max_dequeue (s->rx_fifo); - if (PREDICT_FALSE (!max_dequeue)) - return; - do - { - /* The options here are to limit ourselves to max_dequeue or read - * even the data that was enqueued while we were dequeueing and which - * now has an rx event in the mq. Either of the two work. */ - to_dequeue = clib_min (max_dequeue, vec_len (em->rx_buf)); - n_read = app_recv_stream_raw (s->rx_fifo, em->rx_buf, to_dequeue, - 0 /* clear evt */ , 0 /* peek */ ); - - if (n_read <= 0) - break; - DBG ("Notify cause %u bytes", n_read); - notify_rx_data_to_vpp (s); - if (em->test_return_packets) - test_recv_bytes (em, s, em->rx_buf, n_read); - - max_dequeue -= n_read; - s->bytes_received += n_read; - s->bytes_to_receive -= n_read; - - /* Reflect if a non-drop session */ - if (!em->no_return) - { - offset = 0; - do - { - n_sent = app_send_stream ((app_session_t *) s, - em->rx_buf + offset, - n_read, SVM_Q_WAIT); - if (n_sent <= 0) - continue; - n_read -= n_sent; - s->bytes_to_send -= n_sent; - s->bytes_sent += n_sent; - offset += n_sent; - } - while (n_read > 0); - } - } - while (max_dequeue > 0 && !em->time_to_stop); -} - -static void -server_handle_mq (echo_main_t * em) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - - while (1) - { - int rc = svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_TIMEDWAIT, 1); - if (PREDICT_FALSE (rc == ETIMEDOUT && em->time_to_stop)) - break; - if (rc == ETIMEDOUT) - continue; - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - handle_mq_event (em, e, em->state == STATE_READY /* handle_rx */ ); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } -} - -static void -server_send_listen (echo_main_t * em) -{ - vl_api_bind_uri_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_BIND_URI); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - memcpy (bmp->uri, em->uri, vec_len (em->uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); -} - -static void -server_send_unbind (echo_main_t * em) -{ - vl_api_unbind_uri_t *ump; - - ump = vl_msg_api_alloc (sizeof (*ump)); - clib_memset (ump, 0, sizeof (*ump)); - - ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI); - ump->client_index = em->my_client_index; - memcpy (ump->uri, em->uri, vec_len (em->uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump); -} - -static int -server_run (echo_main_t * em) -{ - echo_session_t *session; - int i; - - /* $$$$ hack preallocation */ - for (i = 0; i < 200000; i++) - { - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - } - for (i = 0; i < 200000; i++) - pool_put_index (em->sessions, i); - - if (application_attach (em)) - return -1; - - /* Bind to uri */ - server_send_listen (em); - if (wait_for_state_change (em, STATE_READY, 0)) - return -2; - - /* Enter handle event loop */ - server_handle_mq (em); - - /* Cleanup */ - server_send_unbind (em); - application_detach (em); - fformat (stdout, "Test complete...\n"); - return 0; -} - -static void -vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - uword *p; - DBG ("Got disonnected reply for session handle %lu", mp->handle); - em->state = STATE_START; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - if (p) - hash_unset (em->session_index_by_vpp_handles, mp->handle); - else - clib_warning ("couldn't find session key %llx", mp->handle); - - if (mp->retval) - clib_warning ("vpp complained about disconnect: %d", ntohl (mp->retval)); -} - -static void - vl_api_application_tls_cert_add_reply_t_handler - (vl_api_application_tls_cert_add_reply_t * mp) -{ - if (mp->retval) - clib_warning ("failed to add tls cert"); -} - -static void - vl_api_application_tls_key_add_reply_t_handler - (vl_api_application_tls_key_add_reply_t * mp) -{ - if (mp->retval) - clib_warning ("failed to add tls key"); -} - -#define foreach_quic_echo_msg \ -_(BIND_URI_REPLY, bind_uri_reply) \ -_(UNBIND_URI_REPLY, unbind_uri_reply) \ -_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ -_(APPLICATION_ATTACH_REPLY, application_attach_reply) \ -_(APPLICATION_DETACH_REPLY, application_detach_reply) \ -_(MAP_ANOTHER_SEGMENT, map_another_segment) \ -_(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \ -_(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \ - -void -quic_echo_api_hookup (echo_main_t * em) -{ -#define _(N,n) \ - vl_msg_api_set_handlers(VL_API_##N, #n, \ - vl_api_##n##_t_handler, \ - vl_noop_handler, \ - vl_api_##n##_t_endian, \ - vl_api_##n##_t_print, \ - sizeof(vl_api_##n##_t), 1); - foreach_quic_echo_msg; -#undef _ -} - -static void -print_usage_and_exit (void) -{ - fprintf (stderr, - "quic_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n" - "\n" - " socket-name PATH Specify the binary socket path to connect to VPP\n" - " use-svm-api Use SVM API to connect to VPP\n" - " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n" - " fifo-size N Use N Kb fifos\n" - " appns NAMESPACE Use the namespace NAMESPACE\n" - " all-scope all-scope option\n" - " local-scope local-scope option\n" - " global-scope global-scope option\n" - " secret SECRET set namespace secret\n" - " chroot prefix PATH Use PATH as memory root path\n" - " quic-setup OPT OPT=serverstream : Client open N connections. On each one server opens M streams\n" - " by default : Client open N connections. On each one client opens M streams\n" - "\n" - " no-return Drop the data when received, dont reply\n" - " nclients N[/M] Open N QUIC connections, each one with M streams (M defaults to 1)\n" - " send N[Kb|Mb|GB] Send N [K|M|G]bytes\n" - " recv N[Kb|Mb|GB] Expect N [K|M|G]bytes\n" - " nclients N[/M] Open N QUIC connections, each one with M streams (M defaults to 1)\n"); - exit (1); -} - - -void -quic_echo_process_opts (int argc, char **argv) -{ - echo_main_t *em = &echo_main; - unformat_input_t _argv, *a = &_argv; - u32 tmp; - u8 *chroot_prefix; - u8 *uri = 0; - - unformat_init_command_line (a, argv); - while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT) - { - if (unformat (a, "chroot prefix %s", &chroot_prefix)) - { - vl_set_memory_root_path ((char *) chroot_prefix); - } - else if (unformat (a, "uri %s", &uri)) - em->uri = format (0, "%s%c", uri, 0); - else if (unformat (a, "server")) - em->i_am_master = 1; - else if (unformat (a, "client")) - em->i_am_master = 0; - else if (unformat (a, "no-return")) - em->no_return = 1; - else if (unformat (a, "test-bytes:assert")) - em->test_return_packets = RETURN_PACKETS_ASSERT; - else if (unformat (a, "test-bytes")) - em->test_return_packets = RETURN_PACKETS_LOG_WRONG; - else if (unformat (a, "socket-name %s", &em->socket_name)) - ; - else if (unformat (a, "use-svm-api")) - em->use_sock_api = 0; - else if (unformat (a, "fifo-size %d", &tmp)) - em->fifo_size = tmp << 10; - else - if (unformat - (a, "nclients %d/%d", &em->n_clients, &em->n_stream_clients)) - ; - else if (unformat (a, "nclients %d", &em->n_clients)) - ; - else if (unformat (a, "appns %_%v%_", &em->appns_id)) - ; - else if (unformat (a, "all-scope")) - em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE - | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE); - else if (unformat (a, "local-scope")) - em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; - else if (unformat (a, "global-scope")) - em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; - else if (unformat (a, "secret %lu", &em->appns_secret)) - ; - else if (unformat (a, "quic-setup %U", echo_unformat_quic_setup_vft)) - ; - else - if (unformat (a, "send %U", echo_unformat_data, &em->bytes_to_send)) - ; - else - if (unformat - (a, "recv %U", echo_unformat_data, &em->bytes_to_receive)) - ; - else if (unformat (a, "time %U:%U", - echo_unformat_timing_event, &em->timing_start_event, - echo_unformat_timing_event, &em->timing_end_event)) - ; - else - print_usage_and_exit (); - } -} - -int -main (int argc, char **argv) -{ - echo_main_t *em = &echo_main; - fifo_segment_main_t *sm = &em->segment_main; - char *app_name; - int i, rv; - u32 n_clients; - - clib_mem_init_thread_safe (0, 256 << 20); - clib_memset (em, 0, sizeof (*em)); - em->session_index_by_vpp_handles = hash_create (0, sizeof (uword)); - em->shared_segment_handles = hash_create (0, sizeof (uword)); - em->my_pid = getpid (); - em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0); - em->use_sock_api = 1; - em->fifo_size = 64 << 10; - em->n_clients = 1; - em->n_stream_clients = 1; - em->max_test_msg = 50; - em->time_to_stop = 0; - em->i_am_master = 1; - em->test_return_packets = RETURN_PACKETS_NOTEST; - em->timing_start_event = ECHO_EVT_FIRST_QCONNECT; - em->timing_end_event = ECHO_EVT_LAST_BYTE; - em->bytes_to_receive = 64 << 10; - em->bytes_to_send = 64 << 10; - em->uri = format (0, "%s%c", "quic://0.0.0.0/1234", 0); - em->cb_vft = default_cb_vft; - quic_echo_process_opts (argc, argv); - - n_clients = em->n_clients * em->n_stream_clients; - vec_validate (em->client_thread_handles, n_clients - 1); - vec_validate (em->thread_args, n_clients - 1); - clib_time_init (&em->clib_time); - init_error_string_table (em); - fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20); - clib_spinlock_init (&em->segment_handles_lock); - vec_validate (em->rx_buf, 4 << 20); - vec_validate (em->connect_test_data, 1024 * 1024 - 1); - for (i = 0; i < vec_len (em->connect_test_data); i++) - em->connect_test_data[i] = i & 0xff; - - setup_signal_handlers (); - quic_echo_api_hookup (em); - - app_name = em->i_am_master ? "quic_echo_server" : "quic_echo_client"; - if (connect_to_vpp (app_name) < 0) - { - svm_region_exit (); - fformat (stderr, "Couldn't connect to vpe, exiting...\n"); - exit (1); - } - - quic_echo_notify_event (em, ECHO_EVT_START); - if (em->i_am_master) - rv = server_run (em); - else - rv = clients_run (em); - if (rv) - exit (rv); - quic_echo_notify_event (em, ECHO_EVT_EXIT); - print_global_stats (em); - - /* Make sure detach finishes */ - if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT)) - exit (-1); - disconnect_from_vpp (em); - exit (0); -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/tests/vnet/session/tcp_echo.c b/src/tests/vnet/session/tcp_echo.c deleted file mode 100644 index 6c3ce928490..00000000000 --- a/src/tests/vnet/session/tcp_echo.c +++ /dev/null @@ -1,1414 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdio.h> -#include <signal.h> - -#include <vnet/session/application_interface.h> -#include <vlibmemory/api.h> - -#include <vpp/api/vpe_msg_enum.h> -#include <svm/fifo_segment.h> - -#define vl_typedefs /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_typedefs - -/* declare message handlers for each api */ - -#define vl_endianfun /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_endianfun - -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) -#define vl_printfun -#include <vpp/api/vpe_all_api_h.h> -#undef vl_printfun - -#define TCP_ECHO_DBG 0 -#define DBG(_fmt,_args...) \ - if (TCP_ECHO_DBG) \ - clib_warning (_fmt, _args) - -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); -#define _(type, name) type name; - foreach_app_session_field -#undef _ - u64 vpp_session_handle; - u64 bytes_sent; - u64 bytes_to_send; - volatile u64 bytes_received; - volatile u64 bytes_to_receive; - f64 start; -} echo_session_t; - -typedef enum -{ - STATE_START, - STATE_ATTACHED, - STATE_LISTEN, - STATE_READY, - STATE_DISCONNECTING, - STATE_FAILED, - STATE_DETACHED -} connection_state_t; - -typedef struct -{ - /* vpe input queue */ - svm_queue_t *vl_input_queue; - - /* API client handle */ - u32 my_client_index; - - /* The URI we're playing with */ - u8 *uri; - - /* Session pool */ - echo_session_t *sessions; - - /* Hash table for disconnect processing */ - uword *session_index_by_vpp_handles; - - /* intermediate rx buffer */ - u8 *rx_buf; - - /* URI for slave's connect */ - u8 *connect_uri; - - u32 connected_session_index; - - int i_am_master; - - /* drop all packets */ - int no_return; - - /* Our event queue */ - svm_msg_q_t *our_event_queue; - - u8 *socket_name; - - pid_t my_pid; - - /* For deadman timers */ - clib_time_t clib_time; - - /* State of the connection, shared between msg RX thread and main thread */ - volatile connection_state_t state; - - /* Signal variables */ - volatile int time_to_stop; - volatile int time_to_print_stats; - - u32 configured_segment_size; - - /* VNET_API_ERROR_FOO -> "Foo" hash table */ - uword *error_string_by_error_number; - - u8 *connect_test_data; - pthread_t *client_thread_handles; - u32 *thread_args; - u32 client_bytes_received; - u8 test_return_packets; - u64 bytes_to_send; - u32 fifo_size; - - u32 n_clients; - u64 tx_total; - u64 rx_total; - - volatile u32 n_clients_connected; - volatile u32 n_active_clients; - - - /** Flag that decides if socket, instead of svm, api is used to connect to - * vpp. If sock api is used, shm binary api is subsequently bootstrapped - * and all other messages are exchanged using shm IPC. */ - u8 use_sock_api; - - fifo_segment_main_t segment_main; -} echo_main_t; - -echo_main_t echo_main; - -#if CLIB_DEBUG > 0 -#define NITER 10000 -#else -#define NITER 4000000 -#endif - -static u8 * -format_api_error (u8 * s, va_list * args) -{ - echo_main_t *em = &echo_main; - i32 error = va_arg (*args, u32); - uword *p; - - p = hash_get (em->error_string_by_error_number, -error); - - if (p) - s = format (s, "%s", p[0]); - else - s = format (s, "%d", error); - return s; -} - -static void -init_error_string_table (echo_main_t * em) -{ - em->error_string_by_error_number = hash_create (0, sizeof (uword)); - -#define _(n,v,s) hash_set (em->error_string_by_error_number, -v, s); - foreach_vnet_api_error; -#undef _ - - hash_set (em->error_string_by_error_number, 99, "Misc"); -} - -static void handle_mq_event (session_event_t * e); - -static int -wait_for_state_change (echo_main_t * em, connection_state_t state) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - f64 timeout; - -#if CLIB_DEBUG > 0 -#define TIMEOUT 600.0 -#else -#define TIMEOUT 600.0 -#endif - - timeout = clib_time_now (&em->clib_time) + TIMEOUT; - - while (clib_time_now (&em->clib_time) < timeout) - { - if (em->state == state) - return 0; - if (em->state == STATE_FAILED) - return -1; - if (em->time_to_stop == 1) - return 0; - if (!em->our_event_queue || em->state < STATE_ATTACHED) - continue; - - if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_NOWAIT, 0)) - continue; - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - handle_mq_event (e); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - clib_warning ("timeout waiting for state %d", state); - return -1; -} - -void -application_send_attach (echo_main_t * em) -{ - vl_api_application_attach_t *bmp; - vl_api_application_tls_cert_add_t *cert_mp; - vl_api_application_tls_key_add_t *key_mp; - - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT; - bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT; - bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16; - bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size; - bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size; - bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20; - bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20; - bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 256; - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); - - cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len); - clib_memset (cert_mp, 0, sizeof (*cert_mp)); - cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD); - cert_mp->client_index = em->my_client_index; - cert_mp->context = ntohl (0xfeedface); - cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len); - clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp); - - key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len); - clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len); - key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD); - key_mp->client_index = em->my_client_index; - key_mp->context = ntohl (0xfeedface); - key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len); - clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp); -} - -static int -application_attach (echo_main_t * em) -{ - application_send_attach (em); - if (wait_for_state_change (em, STATE_ATTACHED)) - { - clib_warning ("timeout waiting for STATE_ATTACHED"); - return -1; - } - return 0; -} - -void -application_detach (echo_main_t * em) -{ - vl_api_application_detach_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); - - DBG ("%s", "Sent detach"); -} - -static int -ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd) -{ - fifo_segment_create_args_t _a, *a = &_a; - fifo_segment_main_t *sm = &echo_main.segment_main; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) name; - a->segment_type = type; - - if (type == SSVM_SEGMENT_MEMFD) - a->memfd_fd = fd; - - if ((rv = fifo_segment_attach (sm, a))) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", name); - return rv; - } - - vec_reset_length (a->new_segment_indices); - return 0; -} - -static void -vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - int *fds = 0; - u32 n_fds = 0; - - if (mp->retval) - { - clib_warning ("attach failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - goto failed; - } - - if (mp->segment_name_length == 0) - { - clib_warning ("segment_name_length zero"); - goto failed; - } - - ASSERT (mp->app_event_queue_address); - em->our_event_queue = uword_to_pointer (mp->app_event_queue_address, - svm_msg_q_t *); - - if (mp->n_fds) - { - vec_validate (fds, mp->n_fds); - vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5); - - if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) - if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++])) - goto failed; - - if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) - if (ssvm_segment_attach ((char *) mp->segment_name, - SSVM_SEGMENT_MEMFD, fds[n_fds++])) - goto failed; - - if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) - svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]); - - vec_free (fds); - } - else - { - if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM, - -1)) - goto failed; - } - - em->state = STATE_ATTACHED; - return; -failed: - em->state = STATE_FAILED; - return; -} - -static void -vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * - mp) -{ - if (mp->retval) - clib_warning ("detach returned with err: %d", mp->retval); - echo_main.state = STATE_DETACHED; -} - -static void -stop_signal (int signum) -{ - echo_main_t *um = &echo_main; - - um->time_to_stop = 1; -} - -static void -stats_signal (int signum) -{ - echo_main_t *um = &echo_main; - - um->time_to_print_stats = 1; -} - -static clib_error_t * -setup_signal_handlers (void) -{ - signal (SIGINT, stats_signal); - signal (SIGQUIT, stop_signal); - signal (SIGTERM, stop_signal); - - return 0; -} - -void -vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...) -{ - clib_warning ("BUG"); -} - -int -connect_to_vpp (char *name) -{ - echo_main_t *em = &echo_main; - api_main_t *am = &api_main; - - if (em->use_sock_api) - { - if (vl_socket_client_connect ((char *) em->socket_name, name, - 0 /* default rx, tx buffer */ )) - { - clib_warning ("socket connect failed"); - return -1; - } - - if (vl_socket_client_init_shm (0, 1 /* want_pthread */ )) - { - clib_warning ("init shm api failed"); - return -1; - } - } - else - { - if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0) - { - clib_warning ("shmem connect failed"); - return -1; - } - } - em->vl_input_queue = am->shmem_hdr->vl_input_queue; - em->my_client_index = am->my_client_index; - return 0; -} - -void -disconnect_from_vpp (echo_main_t * em) -{ - if (em->use_sock_api) - vl_socket_client_disconnect (); - else - vl_client_disconnect_from_vlib (); -} - -static void -vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) -{ - fifo_segment_main_t *sm = &echo_main.segment_main; - fifo_segment_create_args_t _a, *a = &_a; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) mp->segment_name; - a->segment_size = mp->segment_size; - /* Attach to the segment vpp created */ - rv = fifo_segment_attach (sm, a); - if (rv) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - return; - } - clib_warning ("Mapped new segment '%s' size %d", mp->segment_name, - mp->segment_size); -} - -static void -session_print_stats (echo_main_t * em, echo_session_t * session) -{ - f64 deltat; - u64 bytes; - - deltat = clib_time_now (&em->clib_time) - session->start; - bytes = em->i_am_master ? session->bytes_received : em->bytes_to_send; - fformat (stdout, "Finished in %.6f\n", deltat); - fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9); -} - -static void -test_recv_bytes (echo_session_t * s, u8 * rx_buf, u32 n_read) -{ - int i; - for (i = 0; i < n_read; i++) - { - if (rx_buf[i] != ((s->bytes_received + i) & 0xff)) - { - clib_warning ("error at byte %lld, 0x%x not 0x%x", - s->bytes_received + i, rx_buf[i], - ((s->bytes_received + i) & 0xff)); - } - } -} - -static void -recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf) -{ - int n_to_read, n_read; - - n_to_read = svm_fifo_max_dequeue_cons (s->rx_fifo); - if (!n_to_read) - return; - - do - { - n_read = app_recv_stream ((app_session_t *) s, rx_buf, - vec_len (rx_buf)); - - if (n_read > 0) - { - if (em->test_return_packets) - test_recv_bytes (s, rx_buf, n_read); - - n_to_read -= n_read; - - s->bytes_received += n_read; - s->bytes_to_receive -= n_read; - } - else - break; - } - while (n_to_read > 0); -} - -static void -send_data_chunk (echo_main_t * em, echo_session_t * s) -{ - u64 test_buf_len, bytes_this_chunk, test_buf_offset; - u8 *test_data = em->connect_test_data; - int n_sent; - - test_buf_len = vec_len (test_data); - test_buf_offset = s->bytes_sent % test_buf_len; - bytes_this_chunk = clib_min (test_buf_len - test_buf_offset, - s->bytes_to_send); - - n_sent = app_send_stream ((app_session_t *) s, test_data + test_buf_offset, - bytes_this_chunk, 0); - - if (n_sent > 0) - { - s->bytes_to_send -= n_sent; - s->bytes_sent += n_sent; - } -} - -/* - * Rx/Tx polling thread per connection - */ -static void * -client_thread_fn (void *arg) -{ - echo_main_t *em = &echo_main; - static u8 *rx_buf = 0; - u32 session_index = *(u32 *) arg; - echo_session_t *s; - - vec_validate (rx_buf, 1 << 20); - - while (!em->time_to_stop && em->state != STATE_READY) - ; - - s = pool_elt_at_index (em->sessions, session_index); - while (!em->time_to_stop) - { - send_data_chunk (em, s); - recv_data_chunk (em, s, rx_buf); - if (!s->bytes_to_send && !s->bytes_to_receive) - break; - } - - DBG ("session %d done", session_index); - em->tx_total += s->bytes_sent; - em->rx_total += s->bytes_received; - em->n_active_clients--; - - pthread_exit (0); -} - -void -client_send_connect (echo_main_t * em) -{ - vl_api_connect_uri_t *cmp; - cmp = vl_msg_api_alloc (sizeof (*cmp)); - clib_memset (cmp, 0, sizeof (*cmp)); - - cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI); - cmp->client_index = em->my_client_index; - cmp->context = ntohl (0xfeedface); - memcpy (cmp->uri, em->connect_uri, vec_len (em->connect_uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp); -} - -void -client_send_disconnect (echo_main_t * em, echo_session_t * s) -{ - vl_api_disconnect_session_t *dmp; - dmp = vl_msg_api_alloc (sizeof (*dmp)); - clib_memset (dmp, 0, sizeof (*dmp)); - dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION); - dmp->client_index = em->my_client_index; - dmp->handle = s->vpp_session_handle; - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp); -} - -int -client_disconnect (echo_main_t * em, echo_session_t * s) -{ - client_send_disconnect (em, s); - pool_put (em->sessions, s); - clib_memset (s, 0xfe, sizeof (*s)); - return 0; -} - -static void -session_bound_handler (session_bound_msg_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval) - { - clib_warning ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - clib_warning ("listening on %U:%u", format_ip46_address, mp->lcl_ip, - mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, mp->lcl_port); - em->state = STATE_READY; -} - -static void -session_accepted_handler (session_accepted_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - session_accepted_reply_msg_t *rmp; - svm_fifo_t *rx_fifo, *tx_fifo; - echo_main_t *em = &echo_main; - echo_session_t *session; - static f64 start_time; - u32 session_index; - u8 *ip_str; - - if (start_time == 0.0) - start_time = clib_time_now (&em->clib_time); - - ip_str = format (0, "%U", format_ip46_address, &mp->rmt.ip, mp->rmt.is_ip4); - clib_warning ("Accepted session from: %s:%d", ip_str, - clib_net_to_host_u16 (mp->rmt.port)); - - /* Allocate local session and set it up */ - pool_get (em->sessions, session); - session_index = session - em->sessions; - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - /* Add it to lookup table */ - hash_set (em->session_index_by_vpp_handles, mp->handle, session_index); - - em->state = STATE_READY; - - /* Stats printing */ - if (pool_elts (em->sessions) && (pool_elts (em->sessions) % 20000) == 0) - { - f64 now = clib_time_now (&em->clib_time); - fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n", - pool_elts (em->sessions), now - start_time, - (f64) pool_elts (em->sessions) / (now - start_time)); - } - - /* - * Send accept reply to vpp - */ - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_ACCEPTED_REPLY); - rmp = (session_accepted_reply_msg_t *) app_evt->evt->data; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); - - session->bytes_received = 0; - session->start = clib_time_now (&em->clib_time); -} - -static void -session_connected_handler (session_connected_msg_t * mp) -{ - echo_main_t *em = &echo_main; - echo_session_t *session; - u32 session_index; - svm_fifo_t *rx_fifo, *tx_fifo; - int rv; - - if (mp->retval) - { - clib_warning ("connection failed with code: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - /* - * Setup session - */ - - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - session_index = session - em->sessions; - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_session_handle = mp->handle; - session->start = clib_time_now (&em->clib_time); - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - hash_set (em->session_index_by_vpp_handles, mp->handle, session_index); - - /* - * Start RX thread - */ - em->thread_args[em->n_clients_connected] = session_index; - rv = pthread_create (&em->client_thread_handles[em->n_clients_connected], - NULL /*attr */ , client_thread_fn, - (void *) &em->thread_args[em->n_clients_connected]); - if (rv) - { - clib_warning ("pthread_create returned %d", rv); - return; - } - - em->n_clients_connected += 1; - clib_warning ("session %u (0x%llx) connected with local ip %U port %d", - session_index, mp->handle, format_ip46_address, &mp->lcl.ip, - mp->lcl.is_ip4, clib_net_to_host_u16 (mp->lcl.port)); -} - -static void -session_disconnected_handler (session_disconnected_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - session_disconnected_reply_msg_t *rmp; - echo_main_t *em = &echo_main; - echo_session_t *session = 0; - uword *p; - int rv = 0; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - if (!p) - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - session = pool_elt_at_index (em->sessions, p[0]); - hash_unset (em->session_index_by_vpp_handles, mp->handle); - pool_put (em->sessions, session); - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_DISCONNECTED_REPLY); - rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); - - session_print_stats (em, session); -} - -static void -session_reset_handler (session_reset_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - echo_main_t *em = &echo_main; - session_reset_reply_msg_t *rmp; - echo_session_t *session = 0; - uword *p; - int rv = 0; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - - if (p) - { - session = pool_elt_at_index (em->sessions, p[0]); - clib_warning ("got reset"); - /* Cleanup later */ - em->time_to_stop = 1; - } - else - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_RESET_REPLY); - rmp = (session_reset_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); -} - -static void -handle_mq_event (session_event_t * e) -{ - switch (e->event_type) - { - case SESSION_CTRL_EVT_BOUND: - session_bound_handler ((session_bound_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_ACCEPTED: - session_accepted_handler ((session_accepted_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_CONNECTED: - session_connected_handler ((session_connected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_DISCONNECTED: - session_disconnected_handler ((session_disconnected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_RESET: - session_reset_handler ((session_reset_msg_t *) e->data); - break; - default: - clib_warning ("unhandled %u", e->event_type); - } -} - -static void -clients_run (echo_main_t * em) -{ - f64 start_time, deltat, timeout = 100.0; - svm_msg_q_msg_t msg; - session_event_t *e; - echo_session_t *s; - int i; - - /* Init test data */ - vec_validate (em->connect_test_data, 1024 * 1024 - 1); - for (i = 0; i < vec_len (em->connect_test_data); i++) - em->connect_test_data[i] = i & 0xff; - - /* - * Attach and connect the clients - */ - if (application_attach (em)) - return; - - for (i = 0; i < em->n_clients; i++) - client_send_connect (em); - - start_time = clib_time_now (&em->clib_time); - while (em->n_clients_connected < em->n_clients - && (clib_time_now (&em->clib_time) - start_time < timeout) - && em->state != STATE_FAILED) - - { - svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0); - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - handle_mq_event (e); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - - if (em->n_clients_connected != em->n_clients) - { - clib_warning ("failed to initialize all connections"); - return; - } - - /* - * Initialize connections - */ - for (i = 0; i < em->n_clients; i++) - { - s = pool_elt_at_index (em->sessions, i); - s->bytes_to_send = em->bytes_to_send; - if (!em->no_return) - s->bytes_to_receive = em->bytes_to_send; - } - em->n_active_clients = em->n_clients_connected; - - /* - * Wait for client threads to send the data - */ - start_time = clib_time_now (&em->clib_time); - em->state = STATE_READY; - while (em->n_active_clients) - if (!svm_msg_q_is_empty (em->our_event_queue)) - { - if (svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0)) - { - clib_warning ("svm msg q returned"); - continue; - } - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - if (e->event_type != SESSION_IO_EVT_RX) - handle_mq_event (e); - svm_msg_q_free_msg (em->our_event_queue, &msg); - } - - for (i = 0; i < em->n_clients; i++) - { - s = pool_elt_at_index (em->sessions, i); - client_disconnect (em, s); - } - - /* - * Stats and detach - */ - deltat = clib_time_now (&em->clib_time) - start_time; - fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds\n", - em->tx_total, em->tx_total / (1ULL << 20), - em->tx_total / (1ULL << 30), deltat); - fformat (stdout, "%.4f Gbit/second\n", (em->tx_total * 8.0) / deltat / 1e9); - - application_detach (em); -} - -static void -vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval) - { - clib_warning ("bind failed: %U", format_api_error, - clib_net_to_host_u32 (mp->retval)); - em->state = STATE_FAILED; - return; - } - - em->state = STATE_READY; -} - -static void -vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp) -{ - echo_main_t *em = &echo_main; - - if (mp->retval != 0) - clib_warning ("returned %d", ntohl (mp->retval)); - - em->state = STATE_START; -} - -u8 * -format_ip4_address (u8 * s, va_list * args) -{ - u8 *a = va_arg (*args, u8 *); - return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); -} - -u8 * -format_ip6_address (u8 * s, va_list * args) -{ - ip6_address_t *a = va_arg (*args, ip6_address_t *); - u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon; - - i_max_n_zero = ARRAY_LEN (a->as_u16); - max_n_zeros = 0; - i_first_zero = i_max_n_zero; - n_zeros = 0; - for (i = 0; i < ARRAY_LEN (a->as_u16); i++) - { - u32 is_zero = a->as_u16[i] == 0; - if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16)) - { - i_first_zero = i; - n_zeros = 0; - } - n_zeros += is_zero; - if ((!is_zero && n_zeros > max_n_zeros) - || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros)) - { - i_max_n_zero = i_first_zero; - max_n_zeros = n_zeros; - i_first_zero = ARRAY_LEN (a->as_u16); - n_zeros = 0; - } - } - - last_double_colon = 0; - for (i = 0; i < ARRAY_LEN (a->as_u16); i++) - { - if (i == i_max_n_zero && max_n_zeros > 1) - { - s = format (s, "::"); - i += max_n_zeros - 1; - last_double_colon = 1; - } - else - { - s = format (s, "%s%x", - (last_double_colon || i == 0) ? "" : ":", - clib_net_to_host_u16 (a->as_u16[i])); - last_double_colon = 0; - } - } - - return s; -} - -/* Format an IP46 address. */ -u8 * -format_ip46_address (u8 * s, va_list * args) -{ - ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); - ip46_type_t type = va_arg (*args, ip46_type_t); - int is_ip4 = 1; - - switch (type) - { - case IP46_TYPE_ANY: - is_ip4 = ip46_address_is_ip4 (ip46); - break; - case IP46_TYPE_IP4: - is_ip4 = 1; - break; - case IP46_TYPE_IP6: - is_ip4 = 0; - break; - } - - return is_ip4 ? - format (s, "%U", format_ip4_address, &ip46->ip4) : - format (s, "%U", format_ip6_address, &ip46->ip6); -} - -static void -server_handle_rx (echo_main_t * em, session_event_t * e) -{ - int n_read, max_dequeue, n_sent; - u32 offset, to_dequeue; - echo_session_t *s; - - s = pool_elt_at_index (em->sessions, e->session_index); - - /* Clear event only once. Otherwise, if we do it in the loop by calling - * app_recv_stream, we may end up with a lot of unhandled rx events on the - * message queue */ - svm_fifo_unset_event (s->rx_fifo); - - max_dequeue = svm_fifo_max_dequeue_cons (s->rx_fifo); - if (PREDICT_FALSE (!max_dequeue)) - return; - - do - { - /* The options here are to limit ourselves to max_dequeue or read - * even the data that was enqueued while we were dequeueing and which - * now has an rx event in the mq. Either of the two work. */ - to_dequeue = clib_min (max_dequeue, vec_len (em->rx_buf)); - n_read = app_recv_stream_raw (s->rx_fifo, em->rx_buf, to_dequeue, - 0 /* clear evt */ , 0 /* peek */ ); - if (n_read > 0) - { - max_dequeue -= n_read; - s->bytes_received += n_read; - } - else - break; - - /* Reflect if a non-drop session */ - if (!em->no_return && n_read > 0) - { - offset = 0; - do - { - n_sent = app_send_stream ((app_session_t *) s, - &em->rx_buf[offset], - n_read, SVM_Q_WAIT); - if (n_sent > 0) - { - n_read -= n_sent; - offset += n_sent; - } - } - while ((n_sent <= 0 || n_read > 0) && !em->time_to_stop); - } - } - while (max_dequeue > 0 && !em->time_to_stop); -} - -static void -server_handle_mq (echo_main_t * em) -{ - svm_msg_q_msg_t msg; - session_event_t *e; - - while (1) - { - svm_msg_q_sub (em->our_event_queue, &msg, SVM_Q_WAIT, 0); - e = svm_msg_q_msg_data (em->our_event_queue, &msg); - switch (e->event_type) - { - case SESSION_IO_EVT_RX: - server_handle_rx (em, e); - break; - default: - handle_mq_event (e); - break; - } - if (PREDICT_FALSE (em->time_to_stop == 1)) - break; - if (PREDICT_FALSE (em->time_to_print_stats == 1)) - { - em->time_to_print_stats = 0; - fformat (stdout, "%d connections\n", pool_elts (em->sessions)); - } - svm_msg_q_free_msg (em->our_event_queue, &msg); - } -} - -void -server_send_listen (echo_main_t * em) -{ - vl_api_bind_uri_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_BIND_URI); - bmp->client_index = em->my_client_index; - bmp->context = ntohl (0xfeedface); - memcpy (bmp->uri, em->uri, vec_len (em->uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp); -} - -int -server_listen (echo_main_t * em) -{ - server_send_listen (em); - if (wait_for_state_change (em, STATE_READY)) - { - clib_warning ("timeout waiting for STATE_READY"); - return -1; - } - return 0; -} - -void -server_send_unbind (echo_main_t * em) -{ - vl_api_unbind_uri_t *ump; - - ump = vl_msg_api_alloc (sizeof (*ump)); - clib_memset (ump, 0, sizeof (*ump)); - - ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI); - ump->client_index = em->my_client_index; - memcpy (ump->uri, em->uri, vec_len (em->uri)); - vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump); -} - -int -server_unbind (echo_main_t * em) -{ - server_send_unbind (em); - if (wait_for_state_change (em, STATE_START)) - { - clib_warning ("timeout waiting for STATE_START"); - return -1; - } - return 0; -} - -void -server_run (echo_main_t * em) -{ - echo_session_t *session; - int i; - - /* $$$$ hack preallocation */ - for (i = 0; i < 200000; i++) - { - pool_get (em->sessions, session); - clib_memset (session, 0, sizeof (*session)); - } - for (i = 0; i < 200000; i++) - pool_put_index (em->sessions, i); - - if (application_attach (em)) - return; - - /* Bind to uri */ - if (server_listen (em)) - return; - - /* Enter handle event loop */ - server_handle_mq (em); - - /* Cleanup */ - server_send_unbind (em); - - application_detach (em); - - fformat (stdout, "Test complete...\n"); -} - -static void -vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * - mp) -{ - echo_main_t *em = &echo_main; - uword *p; - - if (mp->retval) - { - clib_warning ("vpp complained about disconnect: %d", - ntohl (mp->retval)); - return; - } - - em->state = STATE_START; - - p = hash_get (em->session_index_by_vpp_handles, mp->handle); - if (p) - { - hash_unset (em->session_index_by_vpp_handles, mp->handle); - } - else - { - clib_warning ("couldn't find session key %llx", mp->handle); - } -} - -static void - vl_api_application_tls_cert_add_reply_t_handler - (vl_api_application_tls_cert_add_reply_t * mp) -{ - if (mp->retval) - clib_warning ("failed to add tls cert"); -} - -static void - vl_api_application_tls_key_add_reply_t_handler - (vl_api_application_tls_key_add_reply_t * mp) -{ - if (mp->retval) - clib_warning ("failed to add tls key"); -} - -#define foreach_tcp_echo_msg \ -_(BIND_URI_REPLY, bind_uri_reply) \ -_(UNBIND_URI_REPLY, unbind_uri_reply) \ -_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ -_(APPLICATION_ATTACH_REPLY, application_attach_reply) \ -_(APPLICATION_DETACH_REPLY, application_detach_reply) \ -_(MAP_ANOTHER_SEGMENT, map_another_segment) \ -_(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \ -_(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \ - -void -tcp_echo_api_hookup (echo_main_t * em) -{ -#define _(N,n) \ - vl_msg_api_set_handlers(VL_API_##N, #n, \ - vl_api_##n##_t_handler, \ - vl_noop_handler, \ - vl_api_##n##_t_endian, \ - vl_api_##n##_t_print, \ - sizeof(vl_api_##n##_t), 1); - foreach_tcp_echo_msg; -#undef _ -} - -int -main (int argc, char **argv) -{ - int i_am_server = 1, test_return_packets = 0; - echo_main_t *em = &echo_main; - fifo_segment_main_t *sm = &em->segment_main; - unformat_input_t _argv, *a = &_argv; - u8 *chroot_prefix; - u8 *uri = 0; - u8 *bind_uri = (u8 *) "tcp://0.0.0.0/1234"; - u8 *connect_uri = (u8 *) "tcp://6.0.1.1/1234"; - u64 bytes_to_send = 64 << 10, mbytes; - char *app_name; - u32 tmp; - - clib_mem_init_thread_safe (0, 256 << 20); - - clib_memset (em, 0, sizeof (*em)); - em->session_index_by_vpp_handles = hash_create (0, sizeof (uword)); - em->my_pid = getpid (); - em->configured_segment_size = 1 << 20; - em->socket_name = 0; - em->use_sock_api = 1; - em->fifo_size = 64 << 10; - em->n_clients = 1; - - clib_time_init (&em->clib_time); - init_error_string_table (em); - fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20); - unformat_init_command_line (a, argv); - - while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT) - { - if (unformat (a, "chroot prefix %s", &chroot_prefix)) - { - vl_set_memory_root_path ((char *) chroot_prefix); - } - else if (unformat (a, "uri %s", &uri)) - ; - else if (unformat (a, "segment-size %dM", &tmp)) - em->configured_segment_size = tmp << 20; - else if (unformat (a, "segment-size %dG", &tmp)) - em->configured_segment_size = tmp << 30; - else if (unformat (a, "server")) - i_am_server = 1; - else if (unformat (a, "client")) - i_am_server = 0; - else if (unformat (a, "no-return")) - em->no_return = 1; - else if (unformat (a, "test")) - test_return_packets = 1; - else if (unformat (a, "mbytes %lld", &mbytes)) - { - bytes_to_send = mbytes << 20; - } - else if (unformat (a, "gbytes %lld", &mbytes)) - { - bytes_to_send = mbytes << 30; - } - else if (unformat (a, "socket-name %s", &em->socket_name)) - ; - else if (unformat (a, "use-svm-api")) - em->use_sock_api = 0; - else if (unformat (a, "fifo-size %d", &tmp)) - em->fifo_size = tmp << 10; - else if (unformat (a, "nclients %d", &em->n_clients)) - ; - else - { - fformat (stderr, "%s: usage [master|slave]\n", argv[0]); - exit (1); - } - } - - if (!em->socket_name) - em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0); - - if (uri) - { - em->uri = format (0, "%s%c", uri, 0); - em->connect_uri = format (0, "%s%c", uri, 0); - } - else - { - em->uri = format (0, "%s%c", bind_uri, 0); - em->connect_uri = format (0, "%s%c", connect_uri, 0); - } - - em->i_am_master = i_am_server; - em->test_return_packets = test_return_packets; - em->bytes_to_send = bytes_to_send; - em->time_to_stop = 0; - vec_validate (em->rx_buf, 4 << 20); - vec_validate (em->client_thread_handles, em->n_clients - 1); - vec_validate (em->thread_args, em->n_clients - 1); - - setup_signal_handlers (); - tcp_echo_api_hookup (em); - - app_name = i_am_server ? "tcp_echo_server" : "tcp_echo_client"; - if (connect_to_vpp (app_name) < 0) - { - svm_region_exit (); - fformat (stderr, "Couldn't connect to vpe, exiting...\n"); - exit (1); - } - - if (i_am_server == 0) - clients_run (em); - else - server_run (em); - - /* Make sure detach finishes */ - wait_for_state_change (em, STATE_DETACHED); - - disconnect_from_vpp (em); - exit (0); -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/tests/vnet/session/udp_echo.c b/src/tests/vnet/session/udp_echo.c deleted file mode 100644 index c9992befe98..00000000000 --- a/src/tests/vnet/session/udp_echo.c +++ /dev/null @@ -1,1256 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdio.h> -#include <setjmp.h> -#include <signal.h> -#include <vppinfra/clib.h> -#include <vppinfra/format.h> -#include <vppinfra/error.h> -#include <vppinfra/time.h> -#include <vppinfra/macros.h> -#include <vnet/vnet.h> -#include <vlib/vlib.h> -#include <vlib/unix/unix.h> -#include <vlibapi/api.h> -#include <vlibmemory/api.h> -#include <vpp/api/vpe_msg_enum.h> -#include <pthread.h> -#include <vnet/session/application_interface.h> -#include <svm/fifo_segment.h> - -#define vl_typedefs /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_typedefs - -/* declare message handlers for each api */ - -#define vl_endianfun /* define message structures */ -#include <vpp/api/vpe_all_api_h.h> -#undef vl_endianfun - -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) -#define vl_printfun -#include <vpp/api/vpe_all_api_h.h> -#undef vl_printfun - -typedef enum -{ - STATE_START, - STATE_ATTACHED, - STATE_BOUND, - STATE_READY, - STATE_FAILED, - STATE_DISCONNECTING, - STATE_DETACHED -} connection_state_t; - -typedef struct -{ - /* vpe input queue */ - svm_queue_t *vl_input_queue; - - /* API client handle */ - u32 my_client_index; - - /* The URI we're playing with */ - u8 *listen_uri; - - /* URI for connect */ - u8 *connect_uri; - - /* Session pool */ - app_session_t *sessions; - - /* Hash table for disconnect processing */ - uword *session_index_by_vpp_handles; - - /* fifo segment */ - fifo_segment_t *seg; - - /* intermediate rx buffer */ - u8 *rx_buf; - - u32 fifo_size; - int i_am_server; - u8 is_connected; - - /* Our event queue */ - svm_msg_q_t *our_event_queue; - svm_msg_q_t *ct_event_queue; - - /* $$$ single thread only for the moment */ - svm_msg_q_t *vpp_event_queue; - - /* $$$$ hack: cut-through session index */ - volatile u32 cut_through_session_index; - volatile u32 connected_session; - - /* unique segment name counter */ - u32 unique_segment_index; - - pid_t my_pid; - - /* pthread handle */ - pthread_t cut_through_thread_handle; - - /* For deadman timers */ - clib_time_t clib_time; - - /* State of the connection, shared between msg RX thread and main thread */ - volatile connection_state_t state; - - volatile int time_to_stop; - volatile int time_to_print_stats; - - u32 configured_segment_size; - - /* VNET_API_ERROR_FOO -> "Foo" hash table */ - uword *error_string_by_error_number; - - fifo_segment_main_t segment_main; - - u8 *connect_test_data; - - uword *segments_table; - u8 do_echo; - u8 have_return; - u64 total_to_send; - u64 bytes_to_send; - u64 bytes_sent; -} udp_echo_main_t; - -udp_echo_main_t udp_echo_main; - -static void -stop_signal (int signum) -{ - udp_echo_main_t *um = &udp_echo_main; - - um->time_to_stop = 1; -} - -static void -stats_signal (int signum) -{ - udp_echo_main_t *um = &udp_echo_main; - um->time_to_print_stats = 1; -} - -static clib_error_t * -setup_signal_handlers (void) -{ - signal (SIGINT, stats_signal); - signal (SIGQUIT, stop_signal); - signal (SIGTERM, stop_signal); - - return 0; -} - -uword -unformat_ip4_address (unformat_input_t * input, va_list * args) -{ - u8 *result = va_arg (*args, u8 *); - unsigned a[4]; - - if (!unformat (input, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3])) - return 0; - - if (a[0] >= 256 || a[1] >= 256 || a[2] >= 256 || a[3] >= 256) - return 0; - - result[0] = a[0]; - result[1] = a[1]; - result[2] = a[2]; - result[3] = a[3]; - - return 1; -} - -uword -unformat_ip6_address (unformat_input_t * input, va_list * args) -{ - ip6_address_t *result = va_arg (*args, ip6_address_t *); - u16 hex_quads[8]; - uword hex_quad, n_hex_quads, hex_digit, n_hex_digits; - uword c, n_colon, double_colon_index; - - n_hex_quads = hex_quad = n_hex_digits = n_colon = 0; - double_colon_index = ARRAY_LEN (hex_quads); - while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT) - { - hex_digit = 16; - if (c >= '0' && c <= '9') - hex_digit = c - '0'; - else if (c >= 'a' && c <= 'f') - hex_digit = c + 10 - 'a'; - else if (c >= 'A' && c <= 'F') - hex_digit = c + 10 - 'A'; - else if (c == ':' && n_colon < 2) - n_colon++; - else - { - unformat_put_input (input); - break; - } - - /* Too many hex quads. */ - if (n_hex_quads >= ARRAY_LEN (hex_quads)) - return 0; - - if (hex_digit < 16) - { - hex_quad = (hex_quad << 4) | hex_digit; - - /* Hex quad must fit in 16 bits. */ - if (n_hex_digits >= 4) - return 0; - - n_colon = 0; - n_hex_digits++; - } - - /* Save position of :: */ - if (n_colon == 2) - { - /* More than one :: ? */ - if (double_colon_index < ARRAY_LEN (hex_quads)) - return 0; - double_colon_index = n_hex_quads; - } - - if (n_colon > 0 && n_hex_digits > 0) - { - hex_quads[n_hex_quads++] = hex_quad; - hex_quad = 0; - n_hex_digits = 0; - } - } - - if (n_hex_digits > 0) - hex_quads[n_hex_quads++] = hex_quad; - - { - word i; - - /* Expand :: to appropriate number of zero hex quads. */ - if (double_colon_index < ARRAY_LEN (hex_quads)) - { - word n_zero = ARRAY_LEN (hex_quads) - n_hex_quads; - - for (i = n_hex_quads - 1; i >= (signed) double_colon_index; i--) - hex_quads[n_zero + i] = hex_quads[i]; - - for (i = 0; i < n_zero; i++) - hex_quads[double_colon_index + i] = 0; - - n_hex_quads = ARRAY_LEN (hex_quads); - } - - /* Too few hex quads given. */ - if (n_hex_quads < ARRAY_LEN (hex_quads)) - return 0; - - for (i = 0; i < ARRAY_LEN (hex_quads); i++) - result->as_u16[i] = clib_host_to_net_u16 (hex_quads[i]); - - return 1; - } -} - -uword -unformat_uri (unformat_input_t * input, va_list * args) -{ - session_endpoint_cfg_t *sep = va_arg (*args, session_endpoint_cfg_t *); - u32 port; - char *tmp; - - if (unformat (input, "%s://%U/%d", &tmp, unformat_ip4_address, &sep->ip.ip4, - &port)) - { - sep->port = clib_host_to_net_u16 (port); - sep->is_ip4 = 1; - return 1; - } - else if (unformat (input, "%s://%U/%d", &tmp, unformat_ip6_address, - &sep->ip.ip6, &port)) - { - sep->port = clib_host_to_net_u16 (port); - sep->is_ip4 = 0; - return 1; - } - return 0; -} - -static void -application_send_attach (udp_echo_main_t * utm) -{ - vl_api_application_attach_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH); - bmp->client_index = utm->my_client_index; - bmp->context = ntohl (0xfeedface); - bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ADD_SEGMENT; - bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; - bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; - bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 2; - bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = utm->fifo_size; - bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = utm->fifo_size; - bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20; - bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20; - bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = 16768; - vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp); -} - -void -application_detach (udp_echo_main_t * utm) -{ - vl_api_application_detach_t *bmp; - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH); - bmp->client_index = utm->my_client_index; - bmp->context = ntohl (0xfeedface); - vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp); -} - -static void -vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * - mp) -{ - fifo_segment_create_args_t _a = { 0 }, *a = &_a; - udp_echo_main_t *utm = &udp_echo_main; - fifo_segment_main_t *sm = &utm->segment_main; - int rv; - - if (mp->retval) - { - clib_warning ("attach failed: %d", mp->retval); - utm->state = STATE_FAILED; - return; - } - - if (mp->segment_name_length == 0) - { - clib_warning ("segment_name_length zero"); - return; - } - - a->segment_name = (char *) mp->segment_name; - a->segment_size = mp->segment_size; - - ASSERT (mp->app_event_queue_address); - - /* Attach to the segment vpp created */ - rv = fifo_segment_attach (sm, a); - if (rv) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - return; - } - - utm->our_event_queue = uword_to_pointer (mp->app_event_queue_address, - svm_msg_q_t *); - utm->state = STATE_ATTACHED; -} - -static void -vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * - mp) -{ - if (mp->retval) - clib_warning ("detach returned with err: %d", mp->retval); - udp_echo_main.state = STATE_DETACHED; -} - -u8 * -format_api_error (u8 * s, va_list * args) -{ - udp_echo_main_t *utm = va_arg (*args, udp_echo_main_t *); - i32 error = va_arg (*args, u32); - uword *p; - - p = hash_get (utm->error_string_by_error_number, -error); - - if (p) - s = format (s, "%s", p[0]); - else - s = format (s, "%d", error); - return s; -} - -int -wait_for_state_change (udp_echo_main_t * utm, connection_state_t state) -{ -#if CLIB_DEBUG > 0 -#define TIMEOUT 600.0 -#else -#define TIMEOUT 600.0 -#endif - - f64 timeout = clib_time_now (&utm->clib_time) + TIMEOUT; - - while (clib_time_now (&utm->clib_time) < timeout) - { - if (utm->state == state) - return 0; - if (utm->state == STATE_FAILED) - return -1; - } - return -1; -} - -u64 server_bytes_received, server_bytes_sent; - -__clib_unused static void * -cut_through_thread_fn (void *arg) -{ - app_session_t *s; - svm_fifo_t *rx_fifo; - svm_fifo_t *tx_fifo; - u8 *my_copy_buffer = 0; - udp_echo_main_t *utm = &udp_echo_main; - i32 actual_transfer; - int rv, do_dequeue = 0; - u32 buffer_offset; - - while (utm->cut_through_session_index == ~0) - ; - - s = pool_elt_at_index (utm->sessions, utm->cut_through_session_index); - - rx_fifo = s->rx_fifo; - tx_fifo = s->tx_fifo; - - vec_validate (my_copy_buffer, 64 * 1024 - 1); - - while (1) - { - do - { - /* We read from the tx fifo and write to the rx fifo */ - if (utm->have_return || do_dequeue) - actual_transfer = svm_fifo_dequeue (rx_fifo, - vec_len (my_copy_buffer), - my_copy_buffer); - else - { - /* We don't do anything with the data, drop it */ - actual_transfer = svm_fifo_max_dequeue_cons (rx_fifo); - svm_fifo_dequeue_drop (rx_fifo, actual_transfer); - } - } - while (actual_transfer <= 0); - - server_bytes_received += actual_transfer; - - if (utm->have_return) - { - buffer_offset = 0; - while (actual_transfer > 0) - { - rv = svm_fifo_enqueue (tx_fifo, actual_transfer, - my_copy_buffer + buffer_offset); - if (rv > 0) - { - actual_transfer -= rv; - buffer_offset += rv; - server_bytes_sent += rv; - } - - } - } - if (PREDICT_FALSE (utm->time_to_stop)) - break; - } - - pthread_exit (0); -} - -static void -session_accepted_handler (session_accepted_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - udp_echo_main_t *utm = &udp_echo_main; - session_accepted_reply_msg_t *rmp; - svm_fifo_t *rx_fifo, *tx_fifo; - app_session_t *session; - static f64 start_time; - u32 session_index; - int rv = 0; - - if (start_time == 0.0) - start_time = clib_time_now (&utm->clib_time); - - utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - - pool_get (utm->sessions, session); - clib_memset (session, 0, sizeof (*session)); - session_index = session - utm->sessions; - session->session_index = session_index; - - rx_fifo->client_session_index = session_index; - tx_fifo->client_session_index = session_index; - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip, - sizeof (ip46_address_t)); - session->transport.is_ip4 = mp->rmt.is_ip4; - session->transport.rmt_port = mp->rmt.port; - - hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index); - if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0) - { - f64 now = clib_time_now (&utm->clib_time); - fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n", - pool_elts (utm->sessions), now - start_time, - (f64) pool_elts (utm->sessions) / (now - start_time)); - } - - app_alloc_ctrl_evt_to_vpp (utm->vpp_event_queue, app_evt, - SESSION_CTRL_EVT_ACCEPTED_REPLY); - rmp = (session_accepted_reply_msg_t *) app_evt->evt->data; - rmp->handle = mp->handle; - rmp->context = mp->context; - rmp->retval = rv; - app_send_ctrl_evt_to_vpp (utm->vpp_event_queue, app_evt); - - CLIB_MEMORY_BARRIER (); - utm->state = STATE_READY; -} - -static void -session_disconnected_handler (session_disconnected_msg_t * mp) -{ - app_session_evt_t _app_evt, *app_evt = &_app_evt; - udp_echo_main_t *utm = &udp_echo_main; - session_disconnected_reply_msg_t *rmp; - app_session_t *session; - uword *p; - int rv = 0; - - p = hash_get (utm->session_index_by_vpp_handles, mp->handle); - - if (p) - { - session = pool_elt_at_index (utm->sessions, p[0]); - hash_unset (utm->session_index_by_vpp_handles, mp->handle); - clib_warning ("disconnecting %u", session->session_index); - pool_put (utm->sessions, session); - } - else - { - clib_warning ("couldn't find session key %llx", mp->handle); - return; - } - - app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt, - SESSION_CTRL_EVT_DISCONNECTED_REPLY); - rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data; - rmp->retval = rv; - rmp->handle = mp->handle; - rmp->context = mp->context; - app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt); -} - -static void -session_connected_handler (session_connected_msg_t * mp) -{ - udp_echo_main_t *utm = &udp_echo_main; - unformat_input_t _input, *input = &_input; - session_endpoint_cfg_t _sep, *sep = &_sep; - app_session_t *session; - - ASSERT (utm->i_am_server == 0); - - if (mp->retval) - { - clib_warning ("failed connect"); - return; - } - - ASSERT (mp->server_rx_fifo && mp->server_tx_fifo); - - pool_get (utm->sessions, session); - session->session_index = session - utm->sessions; - session->rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - session->tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - - /* Cut-through case */ - if (mp->ct_rx_fifo) - { - clib_warning ("cut-through session"); - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - utm->cut_through_session_index = session->session_index; - session->is_dgram = 0; - sleep (1); - session->rx_fifo->client_session_index = session->session_index; - session->tx_fifo->client_session_index = session->session_index; - /* TODO use ct fifos */ - } - else - { - utm->connected_session = session->session_index; - utm->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - session->rx_fifo->client_session_index = session->session_index; - session->tx_fifo->client_session_index = session->session_index; - clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip, - sizeof (ip46_address_t)); - session->transport.is_ip4 = mp->lcl.is_ip4; - session->transport.lcl_port = mp->lcl.port; - - unformat_init_vector (input, utm->connect_uri); - if (!unformat (input, "%U", unformat_uri, sep)) - { - clib_warning ("can't figure out remote ip and port"); - utm->state = STATE_FAILED; - unformat_free (input); - return; - } - unformat_free (input); - clib_memcpy_fast (&session->transport.rmt_ip, &sep->ip, - sizeof (ip46_address_t)); - session->transport.rmt_port = sep->port; - session->is_dgram = !utm->is_connected; - } - utm->state = STATE_READY; -} - -static void -session_bound_handler (session_bound_msg_t * mp) -{ - udp_echo_main_t *utm = &udp_echo_main; - svm_fifo_t *rx_fifo, *tx_fifo; - app_session_t *session; - u32 session_index; - - if (mp->retval) - { - clib_warning ("bind failed: %d", mp->retval); - utm->state = STATE_FAILED; - return; - } - - rx_fifo = uword_to_pointer (mp->rx_fifo, svm_fifo_t *); - tx_fifo = uword_to_pointer (mp->tx_fifo, svm_fifo_t *); - - pool_get (utm->sessions, session); - clib_memset (session, 0, sizeof (*session)); - session_index = session - utm->sessions; - - rx_fifo->client_session_index = session_index; - tx_fifo->client_session_index = session_index; - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - clib_memcpy_fast (&session->transport.lcl_ip, mp->lcl_ip, - sizeof (ip46_address_t)); - session->transport.is_ip4 = mp->lcl_is_ip4; - session->transport.lcl_port = mp->lcl_port; - session->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_msg_q_t *); - - utm->state = utm->is_connected ? STATE_BOUND : STATE_READY; -} - -static void -handle_mq_event (session_event_t * e) -{ - switch (e->event_type) - { - case SESSION_CTRL_EVT_BOUND: - session_bound_handler ((session_bound_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_ACCEPTED: - session_accepted_handler ((session_accepted_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_CONNECTED: - session_connected_handler ((session_connected_msg_t *) e->data); - break; - case SESSION_CTRL_EVT_DISCONNECTED: - session_disconnected_handler ((session_disconnected_msg_t *) e->data); - break; - default: - clib_warning ("unhandled %u", e->event_type); - } -} - -static void -udp_client_send_connect (udp_echo_main_t * utm) -{ - vl_api_connect_uri_t *cmp; - cmp = vl_msg_api_alloc (sizeof (*cmp)); - clib_memset (cmp, 0, sizeof (*cmp)); - - cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI); - cmp->client_index = utm->my_client_index; - cmp->context = ntohl (0xfeedface); - memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri)); - vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp); -} - -static void -send_test_chunk (udp_echo_main_t * utm, app_session_t * s, u32 bytes) -{ - u64 test_buf_len, bytes_this_chunk, test_buf_offset; - - u8 *test_data = utm->connect_test_data; - u32 enq_space; - int written; - - test_buf_len = vec_len (test_data); - test_buf_offset = utm->bytes_sent % test_buf_len; - bytes_this_chunk = clib_min (test_buf_len - test_buf_offset, - utm->bytes_to_send); - enq_space = svm_fifo_max_enqueue_prod (s->tx_fifo); - bytes_this_chunk = clib_min (bytes_this_chunk, enq_space); - - written = app_send (s, test_data + test_buf_offset, bytes_this_chunk, - SVM_Q_WAIT); - if (written > 0) - { - utm->bytes_to_send -= written; - utm->bytes_sent += written; - } -} - -static void -recv_test_chunk (udp_echo_main_t * utm, app_session_t * s) -{ - app_recv (s, utm->rx_buf, vec_len (utm->rx_buf)); -} - -void -client_send_data (udp_echo_main_t * utm, u32 session_index) -{ - f64 start_time, end_time, delta; - app_session_t *session; - char *transfer_type; - u8 *test_data; - int i; - - vec_validate_aligned (utm->connect_test_data, 1024 * 1024 - 1, - CLIB_CACHE_LINE_BYTES); - for (i = 0; i < vec_len (utm->connect_test_data); i++) - utm->connect_test_data[i] = i & 0xff; - - test_data = utm->connect_test_data; - session = pool_elt_at_index (utm->sessions, session_index); - ASSERT (vec_len (test_data) > 0); - - utm->total_to_send = utm->bytes_to_send; - vec_validate (utm->rx_buf, vec_len (test_data) - 1); - start_time = clib_time_now (&utm->clib_time); - while (!utm->time_to_stop && utm->bytes_to_send) - { - send_test_chunk (utm, session, 0); - if (utm->have_return) - recv_test_chunk (utm, session); - if (utm->time_to_stop) - break; - } - - if (utm->have_return) - { - f64 timeout = clib_time_now (&utm->clib_time) + 5; - while (clib_time_now (&utm->clib_time) < timeout) - recv_test_chunk (utm, session); - } - - end_time = clib_time_now (&utm->clib_time); - delta = end_time - start_time; - transfer_type = utm->have_return ? "full-duplex" : "half-duplex"; - clib_warning ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds", - utm->total_to_send, utm->total_to_send / (1ULL << 20), - utm->total_to_send / (1ULL << 30), delta); - clib_warning ("%.2f bytes/second %s", ((f64) utm->total_to_send) / (delta), - transfer_type); - clib_warning ("%.4f gbit/second %s", - (((f64) utm->total_to_send * 8.0) / delta / 1e9), - transfer_type); -} - -static int -application_attach (udp_echo_main_t * utm) -{ - application_send_attach (utm); - if (wait_for_state_change (utm, STATE_ATTACHED)) - { - clib_warning ("timeout waiting for STATE_ATTACHED"); - return -1; - } - return 0; -} - -static void -client_test (udp_echo_main_t * utm) -{ - f64 start_time, timeout = 100.0; - svm_msg_q_msg_t msg; - session_event_t *e; - - if (application_attach (utm)) - return; - - udp_client_send_connect (utm); - - start_time = clib_time_now (&utm->clib_time); - while (pool_elts (utm->sessions) != 1 && utm->state != STATE_FAILED) - { - svm_msg_q_sub (utm->our_event_queue, &msg, SVM_Q_WAIT, 0); - e = svm_msg_q_msg_data (utm->our_event_queue, &msg); - handle_mq_event (e); - svm_msg_q_free_msg (utm->our_event_queue, &msg); - - if (clib_time_now (&utm->clib_time) - start_time >= timeout) - break; - } - - if (utm->cut_through_session_index != ~0) - client_send_data (utm, utm->cut_through_session_index); - else - client_send_data (utm, utm->connected_session); - - application_detach (utm); - wait_for_state_change (utm, STATE_DETACHED); -} - -static void -vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) -{ - fifo_segment_create_args_t _a, *a = &_a; - udp_echo_main_t *utm = &udp_echo_main; - fifo_segment_main_t *sm = &utm->segment_main; - fifo_segment_t *seg; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->segment_name = (char *) mp->segment_name; - a->segment_size = mp->segment_size; - /* Attach to the segment vpp created */ - rv = fifo_segment_attach (sm, a); - if (rv) - { - clib_warning ("svm_fifo_segment_attach ('%s') failed", - mp->segment_name); - return; - } - seg = fifo_segment_get_segment (sm, a->new_segment_indices[0]); - clib_warning ("Mapped new segment '%s' size %d", seg->ssvm.name, - seg->ssvm.ssvm_size); - hash_set (utm->segments_table, clib_net_to_host_u64 (mp->segment_handle), - a->new_segment_indices[0]); -} - -static void -vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp) -{ - udp_echo_main_t *utm = &udp_echo_main; - fifo_segment_main_t *sm = &utm->segment_main; - fifo_segment_t *seg; - uword *seg_indexp; - u64 segment_handle; - - segment_handle = clib_net_to_host_u64 (mp->segment_handle); - seg_indexp = hash_get (utm->segments_table, segment_handle); - if (!seg_indexp) - { - clib_warning ("segment not mapped: %s", segment_handle); - return; - } - hash_unset (utm->segments_table, segment_handle); - seg = fifo_segment_get_segment (sm, (u32) seg_indexp[0]); - fifo_segment_delete (sm, seg); - clib_warning ("Unmapped segment '%s'", segment_handle); -} - -static void -vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp) -{ - udp_echo_main_t *utm = &udp_echo_main; - - if (mp->retval != 0) - clib_warning ("returned %d", ntohl (mp->retval)); - - utm->state = STATE_START; -} - -static void - vl_api_app_cut_through_registration_add_t_handler - (vl_api_app_cut_through_registration_add_t * mp) -{ - -} - -#define foreach_tcp_echo_msg \ -_(UNBIND_URI_REPLY, unbind_uri_reply) \ -_(MAP_ANOTHER_SEGMENT, map_another_segment) \ -_(UNMAP_SEGMENT, unmap_segment) \ -_(APPLICATION_ATTACH_REPLY, application_attach_reply) \ -_(APPLICATION_DETACH_REPLY, application_detach_reply) \ -_(APP_CUT_THROUGH_REGISTRATION_ADD, app_cut_through_registration_add) \ - -void -tcp_echo_api_hookup (udp_echo_main_t * utm) -{ -#define _(N,n) \ - vl_msg_api_set_handlers(VL_API_##N, #n, \ - vl_api_##n##_t_handler, \ - vl_noop_handler, \ - vl_api_##n##_t_endian, \ - vl_api_##n##_t_print, \ - sizeof(vl_api_##n##_t), 1); - foreach_tcp_echo_msg; -#undef _ - -} - -int -connect_to_vpp (char *name) -{ - udp_echo_main_t *utm = &udp_echo_main; - api_main_t *am = &api_main; - - if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0) - return -1; - - utm->vl_input_queue = am->shmem_hdr->vl_input_queue; - utm->my_client_index = am->my_client_index; - - return 0; -} - -void -vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...) -{ - clib_warning ("BUG"); -} - -static void -init_error_string_table (udp_echo_main_t * utm) -{ - utm->error_string_by_error_number = hash_create (0, sizeof (uword)); - -#define _(n,v,s) hash_set (utm->error_string_by_error_number, -v, s); - foreach_vnet_api_error; -#undef _ - - hash_set (utm->error_string_by_error_number, 99, "Misc"); -} - -void -server_handle_fifo_event_rx (udp_echo_main_t * utm, u32 session_index) -{ - svm_fifo_t *rx_fifo, *tx_fifo; - int n_read; - app_session_t *session; - int rv; - u32 max_dequeue, offset, max_transfer, rx_buf_len; - - session = pool_elt_at_index (utm->sessions, session_index); - rx_buf_len = vec_len (utm->rx_buf); - rx_fifo = session->rx_fifo; - tx_fifo = session->tx_fifo; - - - max_dequeue = svm_fifo_max_dequeue_cons (rx_fifo); - /* Allow enqueuing of a new event */ - svm_fifo_unset_event (rx_fifo); - - if (PREDICT_FALSE (!max_dequeue)) - return; - - /* Read the max_dequeue */ - do - { - max_transfer = clib_min (rx_buf_len, max_dequeue); - if (session->is_dgram) - n_read = app_recv_dgram_raw (rx_fifo, utm->rx_buf, max_transfer, - &session->transport, 0, 0); - else - n_read = app_recv_stream_raw (rx_fifo, utm->rx_buf, max_transfer, 0, - 0); - - if (n_read > 0) - max_dequeue -= n_read; - - /* Reflect if a non-drop session */ - if (utm->have_return && n_read > 0) - { - offset = 0; - do - { - rv = app_send (session, &utm->rx_buf[offset], n_read, - SVM_Q_WAIT); - if (rv > 0) - { - n_read -= rv; - offset += rv; - } - } - while ((rv <= 0 || n_read > 0) && !utm->time_to_stop); - - /* If event wasn't set, add one */ - if (svm_fifo_set_event (tx_fifo)) - app_send_io_evt_to_vpp (session->vpp_evt_q, - tx_fifo->master_session_index, - SESSION_IO_EVT_TX, SVM_Q_WAIT); - } - } - while ((n_read < 0 || max_dequeue > 0) && !utm->time_to_stop); -} - -static void -server_handle_event_queue (udp_echo_main_t * utm) -{ - session_event_t *e; - svm_msg_q_msg_t msg; - svm_msg_q_t *mq = utm->our_event_queue; - - while (utm->state != STATE_READY) - sleep (5); - - while (1) - { - if (svm_msg_q_sub (mq, &msg, SVM_Q_WAIT, 0)) - { - clib_warning ("svm msg q returned"); - continue; - } - e = svm_msg_q_msg_data (mq, &msg); - switch (e->event_type) - { - case SESSION_IO_EVT_RX: - server_handle_fifo_event_rx (utm, e->session_index); - break; - - default: - handle_mq_event (e); - break; - } - svm_msg_q_free_msg (mq, &msg); - if (PREDICT_FALSE (utm->time_to_stop == 1)) - return; - if (PREDICT_FALSE (utm->time_to_print_stats == 1)) - { - utm->time_to_print_stats = 0; - fformat (stdout, "%d connections\n", pool_elts (utm->sessions)); - } - } -} - -static void -server_unbind (udp_echo_main_t * utm) -{ - vl_api_unbind_uri_t *ump; - - ump = vl_msg_api_alloc (sizeof (*ump)); - clib_memset (ump, 0, sizeof (*ump)); - - ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI); - ump->client_index = utm->my_client_index; - memcpy (ump->uri, utm->listen_uri, vec_len (utm->listen_uri)); - vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump); -} - -static void -server_bind (udp_echo_main_t * utm) -{ - vl_api_bind_uri_t *bmp; - - bmp = vl_msg_api_alloc (sizeof (*bmp)); - clib_memset (bmp, 0, sizeof (*bmp)); - - bmp->_vl_msg_id = ntohs (VL_API_BIND_URI); - bmp->client_index = utm->my_client_index; - bmp->context = ntohl (0xfeedface); - memcpy (bmp->uri, utm->listen_uri, vec_len (utm->listen_uri)); - vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp); -} - -void -udp_server_test (udp_echo_main_t * utm) -{ - u8 wait_for_state = utm->is_connected ? STATE_BOUND : STATE_READY; - application_send_attach (utm); - - /* Bind to uri */ - server_bind (utm); - - if (wait_for_state_change (utm, wait_for_state)) - { - clib_warning ("timeout waiting for state change"); - return; - } - - server_handle_event_queue (utm); - - /* Cleanup */ - server_unbind (utm); - - if (wait_for_state_change (utm, STATE_START)) - { - clib_warning ("timeout waiting for STATE_START"); - return; - } - - application_detach (utm); - - fformat (stdout, "Test complete...\n"); -} - -int -main (int argc, char **argv) -{ - udp_echo_main_t *utm = &udp_echo_main; - fifo_segment_main_t *sm = &utm->segment_main; - u8 *uri = (u8 *) "udp://6.0.1.1/1234"; - unformat_input_t _argv, *a = &_argv; - int i_am_server = 1; - app_session_t *session; - u8 *chroot_prefix; - char *app_name; - u32 tmp; - int i; - - clib_mem_init_thread_safe (0, 256 << 20); - - fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20); - - vec_validate (utm->rx_buf, 128 << 10); - utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword)); - utm->my_pid = getpid (); - utm->configured_segment_size = 1 << 20; - utm->have_return = 1; - utm->bytes_to_send = 1024; - utm->fifo_size = 128 << 10; - utm->cut_through_session_index = ~0; - clib_time_init (&utm->clib_time); - - init_error_string_table (utm); - unformat_init_command_line (a, argv); - - while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT) - { - if (unformat (a, "chroot prefix %s", &chroot_prefix)) - { - vl_set_memory_root_path ((char *) chroot_prefix); - } - else if (unformat (a, "uri %s", &uri)) - ; - else if (unformat (a, "segment-size %dM", &tmp)) - utm->configured_segment_size = tmp << 20; - else if (unformat (a, "segment-size %dG", &tmp)) - utm->configured_segment_size = tmp << 30; - else if (unformat (a, "server")) - i_am_server = 1; - else if (unformat (a, "client")) - i_am_server = 0; - else if (unformat (a, "no-return")) - utm->have_return = 0; - else if (unformat (a, "mbytes %d", &tmp)) - utm->bytes_to_send = (u64) tmp << 20; - else if (unformat (a, "fifo-size %d", &tmp)) - utm->fifo_size = tmp << 10; - else - { - fformat (stderr, "%s: usage [server|client]\n"); - exit (1); - } - } - - utm->i_am_server = i_am_server; - - setup_signal_handlers (); - tcp_echo_api_hookup (utm); - - if (i_am_server) - { - utm->listen_uri = format (0, "%s%c", uri, 0); - utm->is_connected = (utm->listen_uri[4] == 'c'); - app_name = "udp_echo_server"; - } - else - { - app_name = "udp_echo_client"; - utm->connect_uri = format (0, "%s%c", uri, 0); - utm->is_connected = (utm->connect_uri[4] == 'c'); - } - if (connect_to_vpp (app_name) < 0) - { - svm_region_exit (); - fformat (stderr, "Couldn't connect to vpe, exiting...\n"); - exit (1); - } - - if (i_am_server == 0) - { - client_test (utm); - goto done; - } - - /* $$$$ hack preallocation */ - for (i = 0; i < 200000; i++) - { - pool_get (utm->sessions, session); - clib_memset (session, 0, sizeof (*session)); - } - for (i = 0; i < 200000; i++) - pool_put_index (utm->sessions, i); - - udp_server_test (utm); - -done: - vl_client_disconnect_from_vlib (); - exit (0); -} - -#undef vl_api_version -#define vl_api_version(n,v) static u32 vpe_api_version = v; -#include <vpp/api/vpe.api.h> -#undef vl_api_version - -void -vl_client_add_api_signatures (vl_api_memclnt_create_t * mp) -{ - /* - * Send the main API signature in slot 0. This bit of code must - * match the checks in ../vpe/api/api.c: vl_msg_api_version_check(). - */ - mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version); -} - -u32 -vl (void *p) -{ - return vec_len (p); -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |