diff options
Diffstat (limited to 'src/plugins/hs_apps/http_server.c')
| -rw-r--r-- | src/plugins/hs_apps/http_server.c | 1004 |
1 files changed, 0 insertions, 1004 deletions
diff --git a/src/plugins/hs_apps/http_server.c b/src/plugins/hs_apps/http_server.c deleted file mode 100644 index a46e0a4ae13..00000000000 --- a/src/plugins/hs_apps/http_server.c +++ /dev/null @@ -1,1004 +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 <vnet/vnet.h> -#include <vnet/session/application.h> -#include <vnet/session/application_interface.h> -#include <vnet/session/session.h> -#include <vppinfra/tw_timer_2t_1w_2048sl.h> - -typedef enum -{ - EVENT_WAKEUP = 1, -} http_process_event_t; - -typedef struct -{ - u32 hs_index; - u32 thread_index; - u64 node_index; -} http_server_args; - -typedef enum -{ - HTTP_STATE_CLOSED, - HTTP_STATE_ESTABLISHED, - HTTP_STATE_OK_SENT, -} http_session_state_t; -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); -#define _(type, name) type name; - foreach_app_session_field -#undef _ - u32 thread_index; - u8 *rx_buf; - u32 vpp_session_index; - u64 vpp_session_handle; - u32 timer_handle; -} http_session_t; - -typedef struct -{ - http_session_t **sessions; - clib_rwlock_t sessions_lock; - u32 **session_to_http_session; - - svm_msg_q_t **vpp_queue; - - uword *handler_by_get_request; - - u32 *free_http_cli_process_node_indices; - - /* Sever's event queue */ - svm_queue_t *vl_input_queue; - - /* API client handle */ - u32 my_client_index; - - u32 app_index; - - /* process node index for evnt scheduling */ - u32 node_index; - - /* Cert key pair for tls */ - u32 ckpair_index; - - tw_timer_wheel_2t_1w_2048sl_t tw; - clib_spinlock_t tw_lock; - - u32 prealloc_fifos; - u32 private_segment_size; - u32 fifo_size; - u8 *uri; - u32 is_static; - vlib_main_t *vlib_main; -} http_server_main_t; - -http_server_main_t http_server_main; - -static void -http_server_sessions_reader_lock (void) -{ - clib_rwlock_reader_lock (&http_server_main.sessions_lock); -} - -static void -http_server_sessions_reader_unlock (void) -{ - clib_rwlock_reader_unlock (&http_server_main.sessions_lock); -} - -static void -http_server_sessions_writer_lock (void) -{ - clib_rwlock_writer_lock (&http_server_main.sessions_lock); -} - -static void -http_server_sessions_writer_unlock (void) -{ - clib_rwlock_writer_unlock (&http_server_main.sessions_lock); -} - -static http_session_t * -http_server_session_alloc (u32 thread_index) -{ - http_server_main_t *hsm = &http_server_main; - http_session_t *hs; - pool_get (hsm->sessions[thread_index], hs); - memset (hs, 0, sizeof (*hs)); - hs->session_index = hs - hsm->sessions[thread_index]; - hs->thread_index = thread_index; - hs->timer_handle = ~0; - return hs; -} - -static http_session_t * -http_server_session_get (u32 thread_index, u32 hs_index) -{ - http_server_main_t *hsm = &http_server_main; - if (pool_is_free_index (hsm->sessions[thread_index], hs_index)) - return 0; - return pool_elt_at_index (hsm->sessions[thread_index], hs_index); -} - -static void -http_server_session_free (http_session_t * hs) -{ - http_server_main_t *hsm = &http_server_main; - u32 thread = hs->thread_index; - if (CLIB_DEBUG) - memset (hs, 0xfa, sizeof (*hs)); - pool_put (hsm->sessions[thread], hs); -} - -static void -http_server_session_lookup_add (u32 thread_index, u32 s_index, u32 hs_index) -{ - http_server_main_t *hsm = &http_server_main; - vec_validate (hsm->session_to_http_session[thread_index], s_index); - hsm->session_to_http_session[thread_index][s_index] = hs_index; -} - -static void -http_server_session_lookup_del (u32 thread_index, u32 s_index) -{ - http_server_main_t *hsm = &http_server_main; - hsm->session_to_http_session[thread_index][s_index] = ~0; -} - -static http_session_t * -http_server_session_lookup (u32 thread_index, u32 s_index) -{ - http_server_main_t *hsm = &http_server_main; - u32 hs_index; - - if (s_index < vec_len (hsm->session_to_http_session[thread_index])) - { - hs_index = hsm->session_to_http_session[thread_index][s_index]; - return http_server_session_get (thread_index, hs_index); - } - return 0; -} - - -static void -http_server_session_timer_start (http_session_t * hs) -{ - u32 hs_handle; - hs_handle = hs->thread_index << 24 | hs->session_index; - clib_spinlock_lock (&http_server_main.tw_lock); - hs->timer_handle = tw_timer_start_2t_1w_2048sl (&http_server_main.tw, - hs_handle, 0, 60); - clib_spinlock_unlock (&http_server_main.tw_lock); -} - -static void -http_server_session_timer_stop (http_session_t * hs) -{ - if (hs->timer_handle == ~0) - return; - clib_spinlock_lock (&http_server_main.tw_lock); - tw_timer_stop_2t_1w_2048sl (&http_server_main.tw, hs->timer_handle); - clib_spinlock_unlock (&http_server_main.tw_lock); -} - -static void -http_server_session_disconnect (http_session_t * hs) -{ - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - a->handle = hs->vpp_session_handle; - a->app_index = http_server_main.app_index; - vnet_disconnect_session (a); -} - -static void -http_process_free (http_server_args * args) -{ - vlib_node_runtime_t *rt; - vlib_main_t *vm = vlib_get_first_main (); - http_server_main_t *hsm = &http_server_main; - vlib_node_t *n; - u32 node_index; - http_server_args **save_args; - - node_index = args->node_index; - ASSERT (node_index != 0); - - n = vlib_get_node (vm, node_index); - rt = vlib_node_get_runtime (vm, n->index); - save_args = vlib_node_get_runtime_data (vm, n->index); - - /* Reset process session pointer */ - clib_mem_free (*save_args); - *save_args = 0; - - /* Turn off the process node */ - vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED); - - /* add node index to the freelist */ - vec_add1 (hsm->free_http_cli_process_node_indices, node_index); -} - -/* *INDENT-OFF* */ -static const char *http_ok = - "HTTP/1.1 200 OK\r\n"; - -static const char *http_response = - "Content-Type: text/html\r\n" - "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n" - "Connection: close \r\n" - "Pragma: no-cache\r\n" - "Content-Length: %d\r\n\r\n%v"; - -static const char *http_error_template = - "HTTP/1.1 %s\r\n" - "Content-Type: text/html\r\n" - "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n" - "Connection: close\r\n" - "Pragma: no-cache\r\n" - "Content-Length: 0\r\n\r\n"; - -/* Header, including incantation to suppress favicon.ico requests */ -static const char *html_header_template = - "<html><head><title>%v</title></head>" - "<link rel=\"icon\" href=\"data:,\">" - "<body><pre>"; - -static const char *html_footer = - "</pre></body></html>\r\n"; - -static const char *html_header_static = - "<html><head><title>static reply</title></head>" - "<link rel=\"icon\" href=\"data:,\">" - "<body><pre>hello</pre></body></html>\r\n"; -/* *INDENT-ON* */ - -static u8 *static_http; -static u8 *static_ok; - -static void -http_cli_output (uword arg, u8 * buffer, uword buffer_bytes) -{ - u8 **output_vecp = (u8 **) arg; - u8 *output_vec; - u32 offset; - - output_vec = *output_vecp; - - offset = vec_len (output_vec); - vec_validate (output_vec, offset + buffer_bytes - 1); - clib_memcpy_fast (output_vec + offset, buffer, buffer_bytes); - - *output_vecp = output_vec; -} - -void -send_data (http_session_t * hs, u8 * data) -{ - http_server_main_t *hsm = &http_server_main; - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - vlib_main_t *vm = vlib_get_main (); - f64 last_sent_timer = vlib_time_now (vm); - u32 offset, bytes_to_send; - f64 delay = 10e-3; - - bytes_to_send = vec_len (data); - offset = 0; - - while (bytes_to_send > 0) - { - int actual_transfer; - - actual_transfer = svm_fifo_enqueue - (hs->tx_fifo, bytes_to_send, data + offset); - - /* Made any progress? */ - if (actual_transfer <= 0) - { - http_server_sessions_reader_unlock (); - vlib_process_suspend (vm, delay); - http_server_sessions_reader_lock (); - - /* 10s deadman timer */ - if (vlib_time_now (vm) > last_sent_timer + 10.0) - { - a->handle = hs->vpp_session_handle; - a->app_index = hsm->app_index; - vnet_disconnect_session (a); - break; - } - /* Exponential backoff, within reason */ - if (delay < 1.0) - delay = delay * 2.0; - } - else - { - last_sent_timer = vlib_time_now (vm); - offset += actual_transfer; - bytes_to_send -= actual_transfer; - - if (svm_fifo_set_event (hs->tx_fifo)) - session_send_io_evt_to_thread (hs->tx_fifo, - SESSION_IO_EVT_TX_FLUSH); - delay = 10e-3; - } - } -} - -static void -send_error (http_session_t * hs, char *str) -{ - u8 *data; - - data = format (0, http_error_template, str); - send_data (hs, data); - vec_free (data); -} - -static uword -http_cli_process (vlib_main_t * vm, vlib_node_runtime_t * rt, - vlib_frame_t * f) -{ - u8 *request = 0, *reply = 0, *http = 0, *html = 0; - http_server_main_t *hsm = &http_server_main; - http_server_args **save_args; - http_server_args *args; - unformat_input_t input; - http_session_t *hs; - int i; - - save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index); - args = *save_args; - - http_server_sessions_reader_lock (); - - hs = http_server_session_get (args->thread_index, args->hs_index); - ASSERT (hs); - - request = hs->rx_buf; - if (vec_len (request) < 7) - { - send_error (hs, "400 Bad Request"); - goto out; - } - - for (i = 0; i < vec_len (request) - 4; i++) - { - if (request[i] == 'G' && - request[i + 1] == 'E' && - request[i + 2] == 'T' && request[i + 3] == ' ') - goto found; - } -bad_request: - send_error (hs, "400 Bad Request"); - goto out; - -found: - /* Lose "GET " */ - vec_delete (request, i + 5, 0); - - /* Replace slashes with spaces, stop at the end of the path */ - i = 0; - while (1) - { - if (request[i] == '/') - request[i] = ' '; - else if (request[i] == ' ') - { - /* vlib_cli_input is vector-based, no need for a NULL */ - _vec_len (request) = i; - break; - } - i++; - /* Should never happen */ - if (i == vec_len (request)) - goto bad_request; - } - - /* Generate the html header */ - html = format (0, html_header_template, request /* title */ ); - - /* Run the command */ - unformat_init_vector (&input, vec_dup (request)); - vlib_cli_input (vm, &input, http_cli_output, (uword) & reply); - unformat_free (&input); - request = 0; - - /* Generate the html page */ - html = format (html, "%v", reply); - html = format (html, html_footer); - /* And the http reply */ - http = format (0, http_ok); - http = format (http, http_response, vec_len (html), html); - - /* Send it */ - send_data (hs, http); - -out: - /* Cleanup */ - http_server_sessions_reader_unlock (); - vec_free (reply); - vec_free (html); - vec_free (http); - - http_process_free (args); - return (0); -} - -static void -alloc_http_process (http_server_args * args) -{ - char *name; - vlib_node_t *n; - http_server_main_t *hsm = &http_server_main; - vlib_main_t *vm = hsm->vlib_main; - uword l = vec_len (hsm->free_http_cli_process_node_indices); - http_server_args **save_args; - - if (vec_len (hsm->free_http_cli_process_node_indices) > 0) - { - n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]); - vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING); - _vec_len (hsm->free_http_cli_process_node_indices) = l - 1; - } - else - { - static vlib_node_registration_t r = { - .function = http_cli_process, - .type = VLIB_NODE_TYPE_PROCESS, - .process_log2_n_stack_bytes = 16, - .runtime_data_bytes = sizeof (void *), - }; - - name = (char *) format (0, "http-cli-%d", l); - r.name = name; - vlib_register_node (vm, &r); - vec_free (name); - - n = vlib_get_node (vm, r.index); - } - - /* Save the node index in the args. It won't be zero. */ - args->node_index = n->index; - - /* Save the args (pointer) in the node runtime */ - save_args = vlib_node_get_runtime_data (vm, n->index); - *save_args = clib_mem_alloc (sizeof (*args)); - clib_memcpy_fast (*save_args, args, sizeof (*args)); - - vlib_start_process (vm, n->runtime_index); -} - -static void -alloc_http_process_callback (void *cb_args) -{ - alloc_http_process ((http_server_args *) cb_args); -} - -static int -session_rx_request (http_session_t * hs) -{ - u32 max_dequeue, cursize; - int n_read; - - cursize = vec_len (hs->rx_buf); - max_dequeue = svm_fifo_max_dequeue_cons (hs->rx_fifo); - if (PREDICT_FALSE (max_dequeue == 0)) - return -1; - - vec_validate (hs->rx_buf, cursize + max_dequeue - 1); - n_read = app_recv_stream_raw (hs->rx_fifo, hs->rx_buf + cursize, - max_dequeue, 0, 0 /* peek */ ); - ASSERT (n_read == max_dequeue); - if (svm_fifo_is_empty_cons (hs->rx_fifo)) - svm_fifo_unset_event (hs->rx_fifo); - - _vec_len (hs->rx_buf) = cursize + n_read; - return 0; -} - -static int -http_server_rx_callback (session_t * s) -{ - http_server_args args; - http_session_t *hs; - int rv; - - http_server_sessions_reader_lock (); - - hs = http_server_session_lookup (s->thread_index, s->session_index); - if (!hs || hs->session_state != HTTP_STATE_ESTABLISHED) - return -1; - - rv = session_rx_request (hs); - if (rv) - return rv; - - /* send the command to a new/recycled vlib process */ - args.hs_index = hs->session_index; - args.thread_index = hs->thread_index; - - http_server_sessions_reader_unlock (); - - /* Send RPC request to main thread */ - if (vlib_get_thread_index () != 0) - vlib_rpc_call_main_thread (alloc_http_process_callback, (u8 *) & args, - sizeof (args)); - else - alloc_http_process (&args); - return 0; -} - -static int -http_server_rx_callback_static (session_t * s) -{ - http_session_t *hs; - u32 request_len; - u8 *request = 0; - int i, rv; - - hs = http_server_session_lookup (s->thread_index, s->session_index); - if (!hs || hs->session_state == HTTP_STATE_CLOSED) - return 0; - - /* ok 200 was sent */ - if (hs->session_state == HTTP_STATE_OK_SENT) - goto send_data; - - rv = session_rx_request (hs); - if (rv) - goto wait_for_data; - - request = hs->rx_buf; - request_len = vec_len (request); - if (vec_len (request) < 7) - { - send_error (hs, "400 Bad Request"); - goto close_session; - } - - for (i = 0; i < request_len - 4; i++) - { - if (request[i] == 'G' && - request[i + 1] == 'E' && - request[i + 2] == 'T' && request[i + 3] == ' ') - goto find_end; - } - send_error (hs, "400 Bad Request"); - goto close_session; - -find_end: - - /* check for the end sequence: /r/n/r/n */ - if (request[request_len - 1] != 0xa || request[request_len - 3] != 0xa - || request[request_len - 2] != 0xd || request[request_len - 4] != 0xd) - goto wait_for_data; - - /* send 200 OK first */ - send_data (hs, static_ok); - hs->session_state = HTTP_STATE_OK_SENT; - goto postpone; - -send_data: - send_data (hs, static_http); - -close_session: - http_server_session_disconnect (hs); - return 0; - -postpone: - (void) svm_fifo_set_event (hs->rx_fifo); - session_send_io_evt_to_thread (hs->rx_fifo, SESSION_IO_EVT_BUILTIN_RX); - return 0; - -wait_for_data: - return 0; -} - -static int -http_server_session_accept_callback (session_t * s) -{ - http_server_main_t *hsm = &http_server_main; - http_session_t *hs; - - hsm->vpp_queue[s->thread_index] = - session_main_get_vpp_event_queue (s->thread_index); - - if (!hsm->is_static) - http_server_sessions_writer_lock (); - - hs = http_server_session_alloc (s->thread_index); - http_server_session_lookup_add (s->thread_index, s->session_index, - hs->session_index); - hs->rx_fifo = s->rx_fifo; - hs->tx_fifo = s->tx_fifo; - hs->vpp_session_index = s->session_index; - hs->vpp_session_handle = session_handle (s); - hs->session_state = HTTP_STATE_ESTABLISHED; - http_server_session_timer_start (hs); - - if (!hsm->is_static) - http_server_sessions_writer_unlock (); - - s->session_state = SESSION_STATE_READY; - return 0; -} - -static void -http_server_session_disconnect_callback (session_t * s) -{ - http_server_main_t *hsm = &http_server_main; - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - - a->handle = session_handle (s); - a->app_index = hsm->app_index; - vnet_disconnect_session (a); -} - -static void -http_server_session_reset_callback (session_t * s) -{ - http_server_main_t *hsm = &http_server_main; - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - - a->handle = session_handle (s); - a->app_index = hsm->app_index; - vnet_disconnect_session (a); -} - -static int -http_server_session_connected_callback (u32 app_index, u32 api_context, - session_t * s, session_error_t err) -{ - clib_warning ("called..."); - return -1; -} - -static int -http_server_add_segment_callback (u32 client_index, u64 segment_handle) -{ - return 0; -} - -static void -http_server_cleanup_callback (session_t * s, session_cleanup_ntf_t ntf) -{ - http_server_main_t *hsm = &http_server_main; - http_session_t *hs; - - if (ntf == SESSION_CLEANUP_TRANSPORT) - return; - - if (!hsm->is_static) - http_server_sessions_writer_lock (); - - hs = http_server_session_lookup (s->thread_index, s->session_index); - if (!hs) - goto done; - - http_server_session_lookup_del (hs->thread_index, hs->vpp_session_index); - vec_free (hs->rx_buf); - http_server_session_timer_stop (hs); - http_server_session_free (hs); - -done: - - if (!hsm->is_static) - http_server_sessions_writer_unlock (); -} - -static session_cb_vft_t http_server_session_cb_vft = { - .session_accept_callback = http_server_session_accept_callback, - .session_disconnect_callback = http_server_session_disconnect_callback, - .session_connected_callback = http_server_session_connected_callback, - .add_segment_callback = http_server_add_segment_callback, - .builtin_app_rx_callback = http_server_rx_callback, - .session_reset_callback = http_server_session_reset_callback, - .session_cleanup_callback = http_server_cleanup_callback, -}; - -static int -http_server_attach () -{ - vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair; - http_server_main_t *hsm = &http_server_main; - u64 options[APP_OPTIONS_N_OPTIONS]; - vnet_app_attach_args_t _a, *a = &_a; - u32 segment_size = 128 << 20; - - clib_memset (a, 0, sizeof (*a)); - clib_memset (options, 0, sizeof (options)); - - if (hsm->private_segment_size) - segment_size = hsm->private_segment_size; - - a->api_client_index = ~0; - a->name = format (0, "test_http_server"); - a->session_cb_vft = &http_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] = - hsm->fifo_size ? hsm->fifo_size : 8 << 10; - a->options[APP_OPTIONS_TX_FIFO_SIZE] = - hsm->fifo_size ? hsm->fifo_size : 32 << 10; - a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; - a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos; - - if (vnet_application_attach (a)) - { - vec_free (a->name); - clib_warning ("failed to attach server"); - return -1; - } - vec_free (a->name); - hsm->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); - hsm->ckpair_index = ck_pair->index; - - return 0; -} - -static int -http_transport_needs_crypto (transport_proto_t proto) -{ - return proto == TRANSPORT_PROTO_TLS || proto == TRANSPORT_PROTO_DTLS || - proto == TRANSPORT_PROTO_QUIC; -} - -static int -http_server_listen () -{ - session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; - http_server_main_t *hsm = &http_server_main; - vnet_listen_args_t _a, *a = &_a; - char *uri = "tcp://0.0.0.0/80"; - int rv; - - clib_memset (a, 0, sizeof (*a)); - a->app_index = hsm->app_index; - - if (hsm->uri) - uri = (char *) hsm->uri; - - if (parse_uri (uri, &sep)) - return -1; - - clib_memcpy (&a->sep_ext, &sep, sizeof (sep)); - if (http_transport_needs_crypto (a->sep_ext.transport_proto)) - { - session_endpoint_alloc_ext_cfg (&a->sep_ext, - TRANSPORT_ENDPT_EXT_CFG_CRYPTO); - a->sep_ext.ext_cfg->crypto.ckpair_index = hsm->ckpair_index; - } - - rv = vnet_listen (a); - if (a->sep_ext.ext_cfg) - clib_mem_free (a->sep_ext.ext_cfg); - return rv; -} - -static void -http_server_session_close_cb (void *hs_handlep) -{ - http_session_t *hs; - uword hs_handle; - hs_handle = pointer_to_uword (hs_handlep); - hs = http_server_session_get (hs_handle >> 24, hs_handle & 0x00FFFFFF); - if (!hs) - return; - hs->timer_handle = ~0; - http_server_session_disconnect (hs); -} - -static void -http_expired_timers_dispatch (u32 * expired_timers) -{ - u32 hs_handle; - int i; - - for (i = 0; i < vec_len (expired_timers); i++) - { - /* Get session handle. The first bit is the timer id */ - hs_handle = expired_timers[i] & 0x7FFFFFFF; - session_send_rpc_evt_to_thread (hs_handle >> 24, - http_server_session_close_cb, - uword_to_pointer (hs_handle, void *)); - } -} - -static uword -http_server_process (vlib_main_t * vm, vlib_node_runtime_t * rt, - vlib_frame_t * f) -{ - http_server_main_t *hsm = &http_server_main; - f64 now, timeout = 1.0; - uword *event_data = 0; - uword __clib_unused event_type; - - while (1) - { - vlib_process_wait_for_event_or_clock (vm, timeout); - now = vlib_time_now (vm); - event_type = vlib_process_get_events (vm, (uword **) & event_data); - - /* expire timers */ - clib_spinlock_lock (&http_server_main.tw_lock); - tw_timer_expire_timers_2t_1w_2048sl (&hsm->tw, now); - clib_spinlock_unlock (&http_server_main.tw_lock); - - vec_reset_length (event_data); - } - return 0; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (http_server_process_node) = -{ - .function = http_server_process, - .type = VLIB_NODE_TYPE_PROCESS, - .name = "http-server-process", - .state = VLIB_NODE_STATE_DISABLED, -}; -/* *INDENT-ON* */ - -static int -http_server_create (vlib_main_t * vm) -{ - vlib_thread_main_t *vtm = vlib_get_thread_main (); - http_server_main_t *hsm = &http_server_main; - u32 num_threads; - vlib_node_t *n; - - num_threads = 1 /* main thread */ + vtm->n_threads; - vec_validate (hsm->vpp_queue, num_threads - 1); - vec_validate (hsm->sessions, num_threads - 1); - vec_validate (hsm->session_to_http_session, num_threads - 1); - - clib_rwlock_init (&hsm->sessions_lock); - clib_spinlock_init (&hsm->tw_lock); - - if (http_server_attach ()) - { - clib_warning ("failed to attach server"); - return -1; - } - if (http_server_listen ()) - { - clib_warning ("failed to start listening"); - return -1; - } - - /* Init timer wheel and process */ - tw_timer_wheel_init_2t_1w_2048sl (&hsm->tw, http_expired_timers_dispatch, - 1 /* timer interval */ , ~0); - vlib_node_set_state (vm, http_server_process_node.index, - VLIB_NODE_STATE_POLLING); - n = vlib_get_node (vm, http_server_process_node.index); - vlib_start_process (vm, n->runtime_index); - - return 0; -} - -static clib_error_t * -http_server_create_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - http_server_main_t *hsm = &http_server_main; - unformat_input_t _line_input, *line_input = &_line_input; - u64 seg_size; - u8 *html; - int rv; - - hsm->prealloc_fifos = 0; - hsm->private_segment_size = 0; - hsm->fifo_size = 0; - hsm->is_static = 0; - - /* 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, "static")) - hsm->is_static = 1; - else - if (unformat (line_input, "prealloc-fifos %d", &hsm->prealloc_fifos)) - ; - else if (unformat (line_input, "private-segment-size %U", - unformat_memory_size, &seg_size)) - { - if (seg_size >= 0x100000000ULL) - { - vlib_cli_output (vm, "private segment size %llu, too large", - seg_size); - return 0; - } - hsm->private_segment_size = seg_size; - } - else if (unformat (line_input, "fifo-size %d", &hsm->fifo_size)) - hsm->fifo_size <<= 10; - else if (unformat (line_input, "uri %s", &hsm->uri)) - ; - else - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, line_input); - } - unformat_free (line_input); - -start_server: - - if (hsm->my_client_index != (u32) ~ 0) - return clib_error_return (0, "test http server is already running"); - - vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ ); - - if (hsm->is_static) - { - http_server_session_cb_vft.builtin_app_rx_callback = - http_server_rx_callback_static; - html = format (0, html_header_static); - static_http = format (0, http_response, vec_len (html), html); - static_ok = format (0, http_ok); - } - rv = http_server_create (vm); - switch (rv) - { - case 0: - break; - default: - return clib_error_return (0, "server_create returned %d", rv); - } - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (http_server_create_command, static) = -{ - .path = "test http server", - .short_help = "test http server", - .function = http_server_create_command_fn, -}; -/* *INDENT-ON* */ - -static clib_error_t * -http_server_main_init (vlib_main_t * vm) -{ - http_server_main_t *hsm = &http_server_main; - - hsm->my_client_index = ~0; - hsm->vlib_main = vm; - return 0; -} - -VLIB_INIT_FUNCTION (http_server_main_init); - -/* -* fd.io coding-style-patch-verification: ON -* -* Local Variables: -* eval: (c-set-style "gnu") -* End: -*/ |