diff options
author | Mauro Sardara <msardara@cisco.com> | 2020-03-24 17:34:14 +0000 |
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committer | Mauro Sardara <msardara@cisco.com> | 2020-09-14 17:31:15 +0000 |
commit | 88509fe353767cbde707c3e3b1f29392957819f3 (patch) | |
tree | cccd51bac7966cd3138c525e8075d90341184a66 /hicn-plugin/src/host_stack/test/hicn_hs_server.c | |
parent | d875ae92a7fa1eaab3bc2616aeeedfc64a81fea4 (diff) |
[HICN-574] Host stack plugin for VPP.
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I8d8fdffef31a7013265d6529c5f52f3d5ec70d18
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Signed-off-by: Mauro <you@example.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Diffstat (limited to 'hicn-plugin/src/host_stack/test/hicn_hs_server.c')
-rw-r--r-- | hicn-plugin/src/host_stack/test/hicn_hs_server.c | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/hicn-plugin/src/host_stack/test/hicn_hs_server.c b/hicn-plugin/src/host_stack/test/hicn_hs_server.c new file mode 100644 index 000000000..cab73adb0 --- /dev/null +++ b/hicn-plugin/src/host_stack/test/hicn_hs_server.c @@ -0,0 +1,505 @@ +/* +* Copyright (c) 2020 Cisco and/or its affiliates. +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at: +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include <vnet/vnet.h> +#include <vlibmemory/api.h> +#include <vnet/session/application.h> +#include <vnet/session/application_interface.h> +#include <vnet/session/session.h> + +#include "../host_stack.h" +#include "../route.h" + +#define HICN_SERVER_DGB (0) +#define DBG(_fmt, _args...) \ + if (HICN_SERVER_DGB) \ + 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 + */ + 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; +} hicn_server_main_t; + +hicn_server_main_t hicn_server_main; + +extern f64 t0; + +#define DEFAULT_PRODUCE_SIZE 64 << 20 +static u8 bytes[DEFAULT_PRODUCE_SIZE]; + +int +hicn_server_session_accept_callback (session_t * s) +{ + hicn_server_main_t *esm = &hicn_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 +hicn_server_session_disconnect_callback (session_t * s) +{ + hicn_server_main_t *esm = &hicn_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 +hicn_server_session_reset_callback (session_t * s) +{ + hicn_server_main_t *esm = &hicn_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 +hicn_server_session_connected_callback (u32 app_wrk_index, u32 opaque, + session_t * s, session_error_t code) +{ + clib_warning ("called..."); + return -1; +} + +int +hicn_server_add_segment_callback (u32 client_index, u64 segment_handle) +{ + /* New heaps may be added */ + return 0; +} + +int +hicn_server_redirect_connect_callback (u32 client_index, void *mp) +{ + clib_warning ("called..."); + return -1; +} + +void +test_bytes (hicn_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 +hicn_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 hicn_server_enqueue (session_t * s, svm_fifo_t *tx_fifo, u32 thread_index) +{ + hicn_server_main_t *esm = &hicn_server_main; + CLIB_UNUSED(u32 n_written); + transport_connection_t *transport = session_get_transport(s); + hicn_hs_ctx_t *ctx = (hicn_hs_ctx_t *) (transport); + hicn_hs_set_next_prod_size (ctx, DEFAULT_PRODUCE_SIZE); + + n_written = app_send_stream_raw (tx_fifo, + esm->vpp_queue[thread_index], + bytes, + DEFAULT_PRODUCE_SIZE, + SESSION_IO_EVT_TX, + 1 /* do_evt */ , 0); + + return 0; +} + +int +hicn_server_rx_callback (session_t * s) +{ + u32 max_dequeue, max_enqueue; + svm_fifo_t *tx_fifo, *rx_fifo; + hicn_server_main_t *esm = &hicn_server_main; + u32 thread_index = vlib_get_thread_index (); + + 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 (max_dequeue == 0) + { + return hicn_server_enqueue (s, tx_fifo, thread_index); + } + + return 0; +} + +static session_cb_vft_t hicn_server_session_cb_vft = { + .session_accept_callback = hicn_server_session_accept_callback, + .session_disconnect_callback = hicn_server_session_disconnect_callback, + .session_connected_callback = hicn_server_session_connected_callback, + .add_segment_callback = hicn_server_add_segment_callback, + .builtin_app_rx_callback = hicn_server_rx_callback, + .session_reset_callback = hicn_server_session_reset_callback +}; + +/* Abuse VPP's input queue */ +static int +create_api_loopback (vlib_main_t * vm) +{ + hicn_server_main_t *esm = &hicn_server_main; + api_main_t *am = vlibapi_get_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 ("hicn_server", + esm->vl_input_queue); + return 0; +} + +static int +hicn_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; + hicn_server_main_t *esm = &hicn_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)); + + hicn_server_session_cb_vft.builtin_app_rx_callback = + hicn_server_rx_callback; + + if (esm->private_segment_size) + segment_size = esm->private_segment_size; + + a->api_client_index = esm->my_client_index; + a->session_cb_vft = &hicn_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_PCT_FIRST_ALLOC] = 100; + 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 +hicn_server_detach (void) +{ + hicn_server_main_t *esm = &hicn_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 +hicn_server_listen () +{ + int rv; + hicn_server_main_t *esm = &hicn_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 +hicn_server_create (vlib_main_t * vm, u8 * appns_id, u64 appns_flags, + u64 appns_secret) +{ + hicn_server_main_t *esm = &hicn_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 (hicn_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 (hicn_server_attach (appns_id, appns_flags, appns_secret)) + { + clib_warning ("failed to attach server"); + return -1; + } + if (hicn_server_listen ()) + { + clib_warning ("failed to start listening"); + if (hicn_server_detach ()) + clib_warning ("failed to detach"); + return -1; + } + return 0; +} + +static clib_error_t * +hicn_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + hicn_server_main_t *esm = &hicn_server_main; + u8 server_uri_set = 0, *appns_id = 0; + u64 tmp, appns_flags = 0, appns_secret = 0; + char *default_uri = "hicn://b001::1/64"; + int rv, is_stop = 0; + session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; + + esm->fifo_size = 128 << 20; + esm->rcv_buffer_size = 2 << 20; + esm->prealloc_fifos = 0; + esm->private_segment_count = 0; + esm->private_segment_size = 0; + esm->tls_engine = CRYPTO_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, "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 = hicn_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. */ ); + hicn_hs_enable_disable(vm, 1 /* enable hicn transport */); + + 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 = 0; + + rv = hicn_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 (hicn_server_create_command, static) = +{ + .path = "test hicn hs server", + .short_help = "test echo server proto <proto> [no echo][fifo-size <mbytes>]" + "[rcv-buf-size <bytes>][prealloc-fifos <count>]" + "[private-segment-count <count>][private-segment-size <bytes[m|g]>]" + "[uri <hicn://ip/plen>]", + .function = hicn_server_create_command_fn, +}; +/* *INDENT-ON* */ + +clib_error_t * +hicn_server_main_init (vlib_main_t * vm) +{ + hicn_server_main_t *esm = &hicn_server_main; + esm->my_client_index = ~0; + return 0; +} + +VLIB_INIT_FUNCTION (hicn_server_main_init); + +/* +* fd.io coding-style-patch-verification: ON +* +* Local Variables: +* eval: (c-set-style "gnu") +* End: +*/ |