diff options
Diffstat (limited to 'src/plugins/hs_apps')
| -rw-r--r-- | src/plugins/hs_apps/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/plugins/hs_apps/http_cli.c | 2 | ||||
| -rw-r--r-- | src/plugins/hs_apps/http_tps.c | 566 |
3 files changed, 568 insertions, 1 deletions
diff --git a/src/plugins/hs_apps/CMakeLists.txt b/src/plugins/hs_apps/CMakeLists.txt index 701d1374c92..aec322a2f4f 100644 --- a/src/plugins/hs_apps/CMakeLists.txt +++ b/src/plugins/hs_apps/CMakeLists.txt @@ -20,6 +20,7 @@ add_vpp_plugin(hs_apps echo_server.c hs_apps.c http_cli.c + http_tps.c proxy.c ) diff --git a/src/plugins/hs_apps/http_cli.c b/src/plugins/hs_apps/http_cli.c index 50cedce3524..a4698c52caf 100644 --- a/src/plugins/hs_apps/http_cli.c +++ b/src/plugins/hs_apps/http_cli.c @@ -539,7 +539,7 @@ hcs_listen () if (parse_uri (uri, &sep)) return -1; - need_crypto = hcs_transport_needs_crypto (a->sep_ext.transport_proto); + need_crypto = hcs_transport_needs_crypto (sep.transport_proto); sep.transport_proto = TRANSPORT_PROTO_HTTP; clib_memcpy (&a->sep_ext, &sep, sizeof (sep)); diff --git a/src/plugins/hs_apps/http_tps.c b/src/plugins/hs_apps/http_tps.c new file mode 100644 index 00000000000..e149335903a --- /dev/null +++ b/src/plugins/hs_apps/http_tps.c @@ -0,0 +1,566 @@ +/* + * Copyright (c) 2022 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <vnet/session/application.h> +#include <vnet/session/application_interface.h> +#include <vnet/session/session.h> +#include <http/http.h> + +typedef struct +{ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); + u32 session_index; + u32 thread_index; + u64 data_len; + u64 data_offset; + u32 vpp_session_index; +} hts_session_t; + +typedef struct hs_main_ +{ + hts_session_t **sessions; + u32 app_index; + + u32 ckpair_index; + u8 *test_data; + + /* + * Configs + */ + u8 *uri; + u32 fifo_size; + u64 segment_size; + u8 debug_level; + u8 no_zc; +} hts_main_t; + +static hts_main_t hts_main; + +static hts_session_t * +hts_session_alloc (u32 thread_index) +{ + hts_main_t *htm = &hts_main; + hts_session_t *hs; + + pool_get_zero (htm->sessions[thread_index], hs); + hs->session_index = hs - htm->sessions[thread_index]; + hs->thread_index = thread_index; + + return hs; +} + +static hts_session_t * +hts_session_get (u32 thread_index, u32 hts_index) +{ + hts_main_t *htm = &hts_main; + + if (pool_is_free_index (htm->sessions[thread_index], hts_index)) + return 0; + + return pool_elt_at_index (htm->sessions[thread_index], hts_index); +} + +static void +hts_session_free (hts_session_t *hs) +{ + hts_main_t *htm = &hts_main; + u32 thread = hs->thread_index; + + if (CLIB_DEBUG) + clib_memset (hs, 0xfa, sizeof (*hs)); + + pool_put (htm->sessions[thread], hs); +} + +static void +hts_session_tx_zc (hts_session_t *hs, session_t *ts) +{ + u32 to_send, space; + u64 max_send; + int rv; + + rv = svm_fifo_fill_chunk_list (ts->tx_fifo); + if (rv < 0) + { + svm_fifo_add_want_deq_ntf (ts->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF); + return; + } + + max_send = hs->data_len - hs->data_offset; + space = svm_fifo_max_enqueue (ts->tx_fifo); + ASSERT (space != 0); + to_send = clib_min (space, max_send); + + svm_fifo_enqueue_nocopy (ts->tx_fifo, to_send); + + hs->data_offset += to_send; + + if (to_send < max_send) + svm_fifo_add_want_deq_ntf (ts->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF); + + if (svm_fifo_set_event (ts->tx_fifo)) + session_send_io_evt_to_thread (ts->tx_fifo, SESSION_IO_EVT_TX); +} + +static void +hts_session_tx_no_zc (hts_session_t *hs, session_t *ts) +{ + u32 n_segs, buf_offset, buf_left; + u64 max_send = 32 << 10, left; + hts_main_t *htm = &hts_main; + svm_fifo_seg_t seg[2]; + int sent; + + left = hs->data_len - hs->data_offset; + max_send = clib_min (left, max_send); + buf_offset = hs->data_offset % vec_len (htm->test_data); + buf_left = vec_len (htm->test_data) - buf_offset; + + if (buf_left < max_send) + { + seg[0].data = htm->test_data + buf_offset; + seg[0].len = buf_left; + seg[1].data = htm->test_data; + seg[1].len = max_send - buf_left; + n_segs = 2; + } + else + { + seg[0].data = htm->test_data + buf_offset; + seg[0].len = max_send; + n_segs = 1; + } + + sent = svm_fifo_enqueue_segments (ts->tx_fifo, seg, n_segs, + 1 /* allow partial */); + + if (sent <= 0) + { + svm_fifo_add_want_deq_ntf (ts->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF); + return; + } + + hs->data_offset += sent; + + if (sent < left) + svm_fifo_add_want_deq_ntf (ts->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF); + + if (svm_fifo_set_event (ts->tx_fifo)) + session_send_io_evt_to_thread (ts->tx_fifo, SESSION_IO_EVT_TX); +} + +static inline void +hts_session_tx (hts_session_t *hs, session_t *ts) +{ + hts_main_t *htm = &hts_main; + + if (!htm->no_zc) + hts_session_tx_zc (hs, ts); + else + hts_session_tx_no_zc (hs, ts); +} + +static void +hts_start_send_data (hts_session_t *hs, http_status_code_t status) +{ + http_msg_t msg; + session_t *ts; + int rv; + + msg.type = HTTP_MSG_REPLY; + msg.code = status; + msg.content_type = HTTP_CONTENT_TEXT_HTML; + msg.data.type = HTTP_MSG_DATA_INLINE; + msg.data.len = hs->data_len; + + ts = session_get (hs->vpp_session_index, hs->thread_index); + rv = svm_fifo_enqueue (ts->tx_fifo, sizeof (msg), (u8 *) &msg); + ASSERT (rv == sizeof (msg)); + + if (!msg.data.len) + { + if (svm_fifo_set_event (ts->tx_fifo)) + session_send_io_evt_to_thread (ts->tx_fifo, SESSION_IO_EVT_TX); + return; + } + + hts_session_tx (hs, ts); +} + +static int +try_test_file (hts_session_t *hs, u8 *request) +{ + char *test_str = "test_file"; + hts_main_t *htm = &hts_main; + unformat_input_t input; + uword file_size; + int rc = 0; + + if (memcmp (request, test_str, clib_strnlen (test_str, 9))) + return -1; + + unformat_init_vector (&input, vec_dup (request)); + if (!unformat (&input, "test_file_%U", unformat_memory_size, &file_size)) + { + rc = -1; + goto done; + } + + if (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT) + { + rc = -1; + goto done; + } + + if (htm->debug_level) + clib_warning ("Requested file size %U", format_memory_size, file_size); + + hs->data_len = file_size; + + hts_start_send_data (hs, HTTP_STATUS_OK); + +done: + unformat_free (&input); + + return rc; +} + +static int +hts_ts_rx_callback (session_t *ts) +{ + hts_session_t *hs; + u8 *request = 0; + http_msg_t msg; + int rv; + + hs = hts_session_get (ts->thread_index, ts->opaque); + + /* Read the http message header */ + rv = svm_fifo_dequeue (ts->rx_fifo, sizeof (msg), (u8 *) &msg); + ASSERT (rv == sizeof (msg)); + + if (msg.type != HTTP_MSG_REQUEST || msg.method_type != HTTP_REQ_GET) + { + hts_start_send_data (hs, HTTP_STATUS_METHOD_NOT_ALLOWED); + goto done; + } + + if (!msg.data.len) + { + hts_start_send_data (hs, HTTP_STATUS_BAD_REQUEST); + goto done; + } + + vec_validate (request, msg.data.len - 1); + rv = svm_fifo_dequeue (ts->rx_fifo, msg.data.len, request); + + if (try_test_file (hs, request)) + hts_start_send_data (hs, HTTP_STATUS_NOT_FOUND); + +done: + + return 0; +} + +static int +hs_ts_tx_callback (session_t *ts) +{ + hts_session_t *hs; + + hs = hts_session_get (ts->thread_index, ts->opaque); + if (!hs) + return 0; + + hts_session_tx (hs, ts); + + return 0; +} + +static int +hts_ts_accept_callback (session_t *ts) +{ + hts_session_t *hs; + + hs = hts_session_alloc (ts->thread_index); + hs->vpp_session_index = ts->session_index; + + ts->opaque = hs->session_index; + ts->session_state = SESSION_STATE_READY; + + return 0; +} + +static int +hts_ts_connected_callback (u32 app_index, u32 api_context, session_t *s, + session_error_t err) +{ + clib_warning ("called..."); + return -1; +} + +static void +hts_ts_disconnect_callback (session_t *s) +{ + hts_main_t *htm = &hts_main; + vnet_disconnect_args_t _a = { 0 }, *a = &_a; + + a->handle = session_handle (s); + a->app_index = htm->app_index; + vnet_disconnect_session (a); +} + +static void +hts_ts_reset_callback (session_t *s) +{ + hts_main_t *htm = &hts_main; + vnet_disconnect_args_t _a = { 0 }, *a = &_a; + + a->handle = session_handle (s); + a->app_index = htm->app_index; + vnet_disconnect_session (a); +} + +static void +hts_ts_cleanup_callback (session_t *s, session_cleanup_ntf_t ntf) +{ + hts_session_t *hs; + + if (ntf == SESSION_CLEANUP_TRANSPORT) + return; + + hs = hts_session_get (s->thread_index, s->opaque); + if (!hs) + return; + + hts_session_free (hs); +} + +static int +hts_add_segment_callback (u32 client_index, u64 segment_handle) +{ + return 0; +} + +static int +hts_del_segment_callback (u32 client_index, u64 segment_handle) +{ + return 0; +} + +static session_cb_vft_t hs_session_cb_vft = { + .session_accept_callback = hts_ts_accept_callback, + .session_disconnect_callback = hts_ts_disconnect_callback, + .session_connected_callback = hts_ts_connected_callback, + .add_segment_callback = hts_add_segment_callback, + .del_segment_callback = hts_del_segment_callback, + .builtin_app_rx_callback = hts_ts_rx_callback, + .builtin_app_tx_callback = hs_ts_tx_callback, + .session_reset_callback = hts_ts_reset_callback, + .session_cleanup_callback = hts_ts_cleanup_callback, +}; + +static int +hts_attach (hts_main_t *hm) +{ + vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair; + u64 options[APP_OPTIONS_N_OPTIONS]; + vnet_app_attach_args_t _a, *a = &_a; + + clib_memset (a, 0, sizeof (*a)); + clib_memset (options, 0, sizeof (options)); + + a->api_client_index = ~0; + a->name = format (0, "http_tps"); + a->session_cb_vft = &hs_session_cb_vft; + a->options = options; + a->options[APP_OPTIONS_SEGMENT_SIZE] = hm->segment_size; + a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = hm->segment_size; + a->options[APP_OPTIONS_RX_FIFO_SIZE] = hm->fifo_size; + a->options[APP_OPTIONS_TX_FIFO_SIZE] = hm->fifo_size; + a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; + + if (vnet_application_attach (a)) + { + vec_free (a->name); + clib_warning ("failed to attach server"); + return -1; + } + vec_free (a->name); + hm->app_index = a->app_index; + + clib_memset (ck_pair, 0, sizeof (*ck_pair)); + ck_pair->cert = (u8 *) test_srv_crt_rsa; + ck_pair->key = (u8 *) test_srv_key_rsa; + ck_pair->cert_len = test_srv_crt_rsa_len; + ck_pair->key_len = test_srv_key_rsa_len; + vnet_app_add_cert_key_pair (ck_pair); + hm->ckpair_index = ck_pair->index; + + return 0; +} + +static int +hts_transport_needs_crypto (transport_proto_t proto) +{ + return proto == TRANSPORT_PROTO_TLS || proto == TRANSPORT_PROTO_DTLS || + proto == TRANSPORT_PROTO_QUIC; +} + +static int +hts_listen (hts_main_t *htm) +{ + session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; + vnet_listen_args_t _a, *a = &_a; + char *uri = "tcp://0.0.0.0/80"; + u8 need_crypto; + int rv; + + clib_memset (a, 0, sizeof (*a)); + a->app_index = htm->app_index; + + if (htm->uri) + uri = (char *) htm->uri; + + if (parse_uri (uri, &sep)) + return -1; + + need_crypto = hts_transport_needs_crypto (sep.transport_proto); + + sep.transport_proto = TRANSPORT_PROTO_HTTP; + clib_memcpy (&a->sep_ext, &sep, sizeof (sep)); + + if (need_crypto) + { + session_endpoint_alloc_ext_cfg (&a->sep_ext, + TRANSPORT_ENDPT_EXT_CFG_CRYPTO); + a->sep_ext.ext_cfg->crypto.ckpair_index = htm->ckpair_index; + } + + rv = vnet_listen (a); + + if (need_crypto) + clib_mem_free (a->sep_ext.ext_cfg); + + return rv; +} + +static int +hts_create (vlib_main_t *vm) +{ + vlib_thread_main_t *vtm = vlib_get_thread_main (); + hts_main_t *htm = &hts_main; + u32 num_threads; + + num_threads = 1 /* main thread */ + vtm->n_threads; + vec_validate (htm->sessions, num_threads - 1); + + if (htm->no_zc) + vec_validate (htm->test_data, (64 << 10) - 1); + + if (hts_attach (htm)) + { + clib_warning ("failed to attach server"); + return -1; + } + if (hts_listen (htm)) + { + clib_warning ("failed to start listening"); + return -1; + } + + return 0; +} + +static clib_error_t * +hts_create_command_fn (vlib_main_t *vm, unformat_input_t *input, + vlib_cli_command_t *cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + hts_main_t *htm = &hts_main; + clib_error_t *error = 0; + u64 mem_size; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + goto start_server; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "private-segment-size %U", + unformat_memory_size, &mem_size)) + htm->segment_size = mem_size; + else if (unformat (line_input, "fifo-size %U", unformat_memory_size, + &mem_size)) + htm->fifo_size = mem_size; + else if (unformat (line_input, "uri %s", &htm->uri)) + ; + else if (unformat (line_input, "no-zc")) + htm->no_zc = 1; + else if (unformat (line_input, "debug")) + htm->debug_level = 1; + else + { + error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, line_input); + break; + } + } + + unformat_free (line_input); + + if (error) + return error; + +start_server: + + if (htm->app_index != (u32) ~0) + return clib_error_return (0, "http tps is already running"); + + vnet_session_enable_disable (vm, 1 /* is_enable */); + + if (hts_create (vm)) + return clib_error_return (0, "http tps create failed"); + + return 0; +} + +VLIB_CLI_COMMAND (http_tps_command, static) = { + .path = "http tps", + .short_help = "http tps [uri <uri>] [fifo-size <nbytes>] " + "[segment-size <nMG>] [prealloc-fifos <n>] [debug] [no-zc]", + .function = hts_create_command_fn, +}; + +static clib_error_t * +hs_main_init (vlib_main_t *vm) +{ + hts_main_t *htm = &hts_main; + + htm->app_index = ~0; + htm->segment_size = 128 << 20; + htm->fifo_size = 64 << 10; + + return 0; +} + +VLIB_INIT_FUNCTION (hs_main_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |