From e3b8682d3f180a89ef7c37a7387adbfa088013b9 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 24 Jun 2019 17:31:33 -0700 Subject: hsa: move session-apps to host-stack apps plugin Type:refactor Change-Id: I114fea3a54258797e961d8627a99ba2098674d20 Signed-off-by: Florin Coras --- src/vnet/session-apps/echo_server.c | 588 ------------------------------------ 1 file changed, 588 deletions(-) delete mode 100644 src/vnet/session-apps/echo_server.c (limited to 'src/vnet/session-apps/echo_server.c') diff --git a/src/vnet/session-apps/echo_server.c b/src/vnet/session-apps/echo_server.c deleted file mode 100644 index b7a74818cca..00000000000 --- a/src/vnet/session-apps/echo_server.c +++ /dev/null @@ -1,588 +0,0 @@ -/* -* Copyright (c) 2017-2019 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 -#include -#include -#include -#include - -#define ECHO_SERVER_DBG (0) -#define DBG(_fmt, _args...) \ - if (ECHO_SERVER_DBG) \ - clib_warning (_fmt, ##_args) - -typedef struct -{ - /* - * Server app parameters - */ - svm_msg_q_t **vpp_queue; - svm_queue_t *vl_input_queue; /**< Sever's event queue */ - - u32 app_index; /**< Server app index */ - u32 my_client_index; /**< API client handle */ - u32 node_index; /**< process node index for event scheduling */ - - /* - * Config params - */ - u8 no_echo; /**< Don't echo traffic */ - u32 fifo_size; /**< Fifo size */ - u32 rcv_buffer_size; /**< Rcv buffer size */ - u32 prealloc_fifos; /**< Preallocate fifos */ - u32 private_segment_count; /**< Number of private segments */ - u32 private_segment_size; /**< Size of private segments */ - char *server_uri; /**< Server URI */ - u32 tls_engine; /**< TLS engine: mbedtls/openssl */ - u8 is_dgram; /**< set if transport is dgram */ - /* - * Test state - */ - u8 **rx_buf; /**< Per-thread RX buffer */ - u64 byte_index; - u32 **rx_retries; - u8 transport_proto; - u64 listener_handle; /**< Session handle of the root listener */ - - vlib_main_t *vlib_main; -} echo_server_main_t; - -echo_server_main_t echo_server_main; - -int -quic_echo_server_qsession_accept_callback (session_t * s) -{ - DBG ("QSession %u accept w/opaque %d", s->session_index, s->opaque); - return 0; -} - -int -quic_echo_server_session_accept_callback (session_t * s) -{ - echo_server_main_t *esm = &echo_server_main; - if (s->listener_handle == esm->listener_handle) - return quic_echo_server_qsession_accept_callback (s); - DBG ("SSESSION %u accept w/opaque %d", s->session_index, s->opaque); - - esm->vpp_queue[s->thread_index] = - session_main_get_vpp_event_queue (s->thread_index); - s->session_state = SESSION_STATE_READY; - esm->byte_index = 0; - ASSERT (vec_len (esm->rx_retries) > s->thread_index); - vec_validate (esm->rx_retries[s->thread_index], s->session_index); - esm->rx_retries[s->thread_index][s->session_index] = 0; - return 0; -} - -int -echo_server_session_accept_callback (session_t * s) -{ - echo_server_main_t *esm = &echo_server_main; - esm->vpp_queue[s->thread_index] = - session_main_get_vpp_event_queue (s->thread_index); - s->session_state = SESSION_STATE_READY; - esm->byte_index = 0; - ASSERT (vec_len (esm->rx_retries) > s->thread_index); - vec_validate (esm->rx_retries[s->thread_index], s->session_index); - esm->rx_retries[s->thread_index][s->session_index] = 0; - return 0; -} - -void -echo_server_session_disconnect_callback (session_t * s) -{ - echo_server_main_t *esm = &echo_server_main; - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - - a->handle = session_handle (s); - a->app_index = esm->app_index; - vnet_disconnect_session (a); -} - -void -echo_server_session_reset_callback (session_t * s) -{ - echo_server_main_t *esm = &echo_server_main; - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - clib_warning ("Reset session %U", format_session, s, 2); - a->handle = session_handle (s); - a->app_index = esm->app_index; - vnet_disconnect_session (a); -} - -int -echo_server_session_connected_callback (u32 app_index, u32 api_context, - session_t * s, u8 is_fail) -{ - clib_warning ("called..."); - return -1; -} - -int -echo_server_add_segment_callback (u32 client_index, u64 segment_handle) -{ - /* New heaps may be added */ - return 0; -} - -int -echo_server_redirect_connect_callback (u32 client_index, void *mp) -{ - clib_warning ("called..."); - return -1; -} - -void -test_bytes (echo_server_main_t * esm, int actual_transfer) -{ - int i; - u32 my_thread_id = vlib_get_thread_index (); - - for (i = 0; i < actual_transfer; i++) - { - if (esm->rx_buf[my_thread_id][i] != ((esm->byte_index + i) & 0xff)) - { - clib_warning ("at %lld expected %d got %d", esm->byte_index + i, - (esm->byte_index + i) & 0xff, - esm->rx_buf[my_thread_id][i]); - } - } - esm->byte_index += actual_transfer; -} - -/* - * If no-echo, just drop the data and be done with it. - */ -int -echo_server_builtin_server_rx_callback_no_echo (session_t * s) -{ - svm_fifo_t *rx_fifo = s->rx_fifo; - svm_fifo_dequeue_drop (rx_fifo, svm_fifo_max_dequeue_cons (rx_fifo)); - return 0; -} - -int -echo_server_rx_callback (session_t * s) -{ - u32 n_written, max_dequeue, max_enqueue, max_transfer; - int actual_transfer; - svm_fifo_t *tx_fifo, *rx_fifo; - echo_server_main_t *esm = &echo_server_main; - u32 thread_index = vlib_get_thread_index (); - app_session_transport_t at; - - ASSERT (s->thread_index == thread_index); - - rx_fifo = s->rx_fifo; - tx_fifo = s->tx_fifo; - - ASSERT (rx_fifo->master_thread_index == thread_index); - ASSERT (tx_fifo->master_thread_index == thread_index); - - max_enqueue = svm_fifo_max_enqueue_prod (tx_fifo); - if (!esm->is_dgram) - { - max_dequeue = svm_fifo_max_dequeue_cons (rx_fifo); - } - else - { - session_dgram_pre_hdr_t ph; - svm_fifo_peek (rx_fifo, 0, sizeof (ph), (u8 *) & ph); - max_dequeue = ph.data_length - ph.data_offset; - if (!esm->vpp_queue[s->thread_index]) - { - svm_msg_q_t *mq; - mq = session_main_get_vpp_event_queue (s->thread_index); - esm->vpp_queue[s->thread_index] = mq; - } - max_enqueue -= sizeof (session_dgram_hdr_t); - } - - if (PREDICT_FALSE (max_dequeue == 0)) - return 0; - - /* Number of bytes we're going to copy */ - max_transfer = clib_min (max_dequeue, max_enqueue); - - /* No space in tx fifo */ - if (PREDICT_FALSE (max_transfer == 0)) - { - /* XXX timeout for session that are stuck */ - - rx_event: - /* Program self-tap to retry */ - if (svm_fifo_set_event (rx_fifo)) - { - if (session_send_io_evt_to_thread (rx_fifo, - SESSION_IO_EVT_BUILTIN_RX)) - clib_warning ("failed to enqueue self-tap"); - - vec_validate (esm->rx_retries[s->thread_index], s->session_index); - if (esm->rx_retries[thread_index][s->session_index] == 500000) - { - clib_warning ("session stuck: %U", format_session, s, 2); - } - if (esm->rx_retries[thread_index][s->session_index] < 500001) - esm->rx_retries[thread_index][s->session_index]++; - } - - return 0; - } - - vec_validate (esm->rx_buf[thread_index], max_transfer); - if (!esm->is_dgram) - { - actual_transfer = app_recv_stream_raw (rx_fifo, - esm->rx_buf[thread_index], - max_transfer, - 0 /* don't clear event */ , - 0 /* peek */ ); - } - else - { - actual_transfer = app_recv_dgram_raw (rx_fifo, - esm->rx_buf[thread_index], - max_transfer, &at, - 0 /* don't clear event */ , - 0 /* peek */ ); - } - ASSERT (actual_transfer == max_transfer); - /* test_bytes (esm, actual_transfer); */ - - /* - * Echo back - */ - - if (!esm->is_dgram) - { - n_written = app_send_stream_raw (tx_fifo, - esm->vpp_queue[thread_index], - esm->rx_buf[thread_index], - actual_transfer, SESSION_IO_EVT_TX, - 1 /* do_evt */ , 0); - } - else - { - n_written = app_send_dgram_raw (tx_fifo, &at, - esm->vpp_queue[s->thread_index], - esm->rx_buf[thread_index], - actual_transfer, SESSION_IO_EVT_TX, - 1 /* do_evt */ , 0); - } - - if (n_written != max_transfer) - clib_warning ("short trout! written %u read %u", n_written, max_transfer); - - if (PREDICT_FALSE (svm_fifo_max_dequeue_cons (rx_fifo))) - goto rx_event; - - return 0; -} - -static session_cb_vft_t echo_server_session_cb_vft = { - .session_accept_callback = echo_server_session_accept_callback, - .session_disconnect_callback = echo_server_session_disconnect_callback, - .session_connected_callback = echo_server_session_connected_callback, - .add_segment_callback = echo_server_add_segment_callback, - .builtin_app_rx_callback = echo_server_rx_callback, - .session_reset_callback = echo_server_session_reset_callback -}; - -/* Abuse VPP's input queue */ -static int -create_api_loopback (vlib_main_t * vm) -{ - echo_server_main_t *esm = &echo_server_main; - api_main_t *am = &api_main; - vl_shmem_hdr_t *shmem_hdr; - - shmem_hdr = am->shmem_hdr; - esm->vl_input_queue = shmem_hdr->vl_input_queue; - esm->my_client_index = vl_api_memclnt_create_internal ("echo_server", - esm->vl_input_queue); - return 0; -} - -static int -echo_server_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret) -{ - vnet_app_add_tls_cert_args_t _a_cert, *a_cert = &_a_cert; - vnet_app_add_tls_key_args_t _a_key, *a_key = &_a_key; - echo_server_main_t *esm = &echo_server_main; - vnet_app_attach_args_t _a, *a = &_a; - u64 options[APP_OPTIONS_N_OPTIONS]; - u32 segment_size = 512 << 20; - - clib_memset (a, 0, sizeof (*a)); - clib_memset (options, 0, sizeof (options)); - - if (esm->no_echo) - echo_server_session_cb_vft.builtin_app_rx_callback = - echo_server_builtin_server_rx_callback_no_echo; - else - echo_server_session_cb_vft.builtin_app_rx_callback = - echo_server_rx_callback; - if (esm->transport_proto == TRANSPORT_PROTO_QUIC) - echo_server_session_cb_vft.session_accept_callback = - quic_echo_server_session_accept_callback; - - if (esm->private_segment_size) - segment_size = esm->private_segment_size; - - a->api_client_index = esm->my_client_index; - a->session_cb_vft = &echo_server_session_cb_vft; - a->options = options; - a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size; - a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size; - a->options[APP_OPTIONS_RX_FIFO_SIZE] = esm->fifo_size; - a->options[APP_OPTIONS_TX_FIFO_SIZE] = esm->fifo_size; - a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = esm->private_segment_count; - a->options[APP_OPTIONS_TLS_ENGINE] = esm->tls_engine; - a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = - esm->prealloc_fifos ? esm->prealloc_fifos : 1; - - a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; - if (appns_id) - { - a->namespace_id = appns_id; - a->options[APP_OPTIONS_FLAGS] |= appns_flags; - a->options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret; - } - - if (vnet_application_attach (a)) - { - clib_warning ("failed to attach server"); - return -1; - } - esm->app_index = a->app_index; - - clib_memset (a_cert, 0, sizeof (*a_cert)); - a_cert->app_index = a->app_index; - vec_validate (a_cert->cert, test_srv_crt_rsa_len); - clib_memcpy_fast (a_cert->cert, test_srv_crt_rsa, test_srv_crt_rsa_len); - vnet_app_add_tls_cert (a_cert); - - clib_memset (a_key, 0, sizeof (*a_key)); - a_key->app_index = a->app_index; - vec_validate (a_key->key, test_srv_key_rsa_len); - clib_memcpy_fast (a_key->key, test_srv_key_rsa, test_srv_key_rsa_len); - vnet_app_add_tls_key (a_key); - return 0; -} - -static int -echo_server_detach (void) -{ - echo_server_main_t *esm = &echo_server_main; - vnet_app_detach_args_t _da, *da = &_da; - int rv; - - da->app_index = esm->app_index; - rv = vnet_application_detach (da); - esm->app_index = ~0; - return rv; -} - -static int -echo_server_listen () -{ - int rv; - echo_server_main_t *esm = &echo_server_main; - vnet_listen_args_t _a, *a = &_a; - clib_memset (a, 0, sizeof (*a)); - a->app_index = esm->app_index; - a->uri = esm->server_uri; - rv = vnet_bind_uri (a); - esm->listener_handle = a->handle; - return rv; -} - -static int -echo_server_create (vlib_main_t * vm, u8 * appns_id, u64 appns_flags, - u64 appns_secret) -{ - echo_server_main_t *esm = &echo_server_main; - vlib_thread_main_t *vtm = vlib_get_thread_main (); - u32 num_threads; - int i; - - if (esm->my_client_index == (u32) ~ 0) - { - if (create_api_loopback (vm)) - { - clib_warning ("failed to create api loopback"); - return -1; - } - } - - num_threads = 1 /* main thread */ + vtm->n_threads; - vec_validate (echo_server_main.vpp_queue, num_threads - 1); - vec_validate (esm->rx_buf, num_threads - 1); - vec_validate (esm->rx_retries, num_threads - 1); - for (i = 0; i < vec_len (esm->rx_retries); i++) - vec_validate (esm->rx_retries[i], - pool_elts (session_main.wrk[i].sessions)); - esm->rcv_buffer_size = clib_max (esm->rcv_buffer_size, esm->fifo_size); - for (i = 0; i < num_threads; i++) - vec_validate (esm->rx_buf[i], esm->rcv_buffer_size); - - if (echo_server_attach (appns_id, appns_flags, appns_secret)) - { - clib_warning ("failed to attach server"); - return -1; - } - if (echo_server_listen ()) - { - clib_warning ("failed to start listening"); - if (echo_server_detach ()) - clib_warning ("failed to detach"); - return -1; - } - return 0; -} - -static clib_error_t * -echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - echo_server_main_t *esm = &echo_server_main; - u8 server_uri_set = 0, *appns_id = 0; - u64 tmp, appns_flags = 0, appns_secret = 0; - char *default_uri = "tcp://0.0.0.0/1234"; - int rv, is_stop = 0; - session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; - - esm->no_echo = 0; - esm->fifo_size = 64 << 10; - esm->rcv_buffer_size = 128 << 10; - esm->prealloc_fifos = 0; - esm->private_segment_count = 0; - esm->private_segment_size = 0; - esm->tls_engine = TLS_ENGINE_OPENSSL; - vec_free (esm->server_uri); - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "uri %s", &esm->server_uri)) - server_uri_set = 1; - else if (unformat (input, "no-echo")) - esm->no_echo = 1; - else if (unformat (input, "fifo-size %d", &esm->fifo_size)) - esm->fifo_size <<= 10; - else if (unformat (input, "rcv-buf-size %d", &esm->rcv_buffer_size)) - ; - else if (unformat (input, "prealloc-fifos %d", &esm->prealloc_fifos)) - ; - else if (unformat (input, "private-segment-count %d", - &esm->private_segment_count)) - ; - else if (unformat (input, "private-segment-size %U", - unformat_memory_size, &tmp)) - { - if (tmp >= 0x100000000ULL) - return clib_error_return - (0, "private segment size %lld (%llu) too large", tmp, tmp); - esm->private_segment_size = tmp; - } - else if (unformat (input, "appns %_%v%_", &appns_id)) - ; - else if (unformat (input, "all-scope")) - appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE - | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE); - else if (unformat (input, "local-scope")) - appns_flags |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; - else if (unformat (input, "global-scope")) - appns_flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; - else if (unformat (input, "secret %lu", &appns_secret)) - ; - else if (unformat (input, "stop")) - is_stop = 1; - else if (unformat (input, "tls-engine %d", &esm->tls_engine)) - ; - else - return clib_error_return (0, "failed: unknown input `%U'", - format_unformat_error, input); - } - - if (is_stop) - { - if (esm->app_index == (u32) ~ 0) - { - clib_warning ("server not running"); - return clib_error_return (0, "failed: server not running"); - } - rv = echo_server_detach (); - if (rv) - { - clib_warning ("failed: detach"); - return clib_error_return (0, "failed: server detach %d", rv); - } - return 0; - } - - vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ ); - - if (!server_uri_set) - { - clib_warning ("No uri provided! Using default: %s", default_uri); - esm->server_uri = (char *) format (0, "%s%c", default_uri, 0); - } - - if ((rv = parse_uri ((char *) esm->server_uri, &sep))) - return clib_error_return (0, "Uri parse error: %d", rv); - esm->transport_proto = sep.transport_proto; - esm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP); - - rv = echo_server_create (vm, appns_id, appns_flags, appns_secret); - vec_free (appns_id); - if (rv) - { - vec_free (esm->server_uri); - return clib_error_return (0, "failed: server_create returned %d", rv); - } - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (echo_server_create_command, static) = -{ - .path = "test echo server", - .short_help = "test echo server proto [no echo][fifo-size ]" - "[rcv-buf-size ][prealloc-fifos ]" - "[private-segment-count ][private-segment-size ]" - "[uri ]", - .function = echo_server_create_command_fn, -}; -/* *INDENT-ON* */ - -clib_error_t * -echo_server_main_init (vlib_main_t * vm) -{ - echo_server_main_t *esm = &echo_server_main; - esm->my_client_index = ~0; - return 0; -} - -VLIB_INIT_FUNCTION (echo_server_main_init); - -/* -* fd.io coding-style-patch-verification: ON -* -* Local Variables: -* eval: (c-set-style "gnu") -* End: -*/ -- cgit 1.2.3-korg