+++ /dev/null
-/*
-* 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;
-
- 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;
- pool_put (hsm->sessions[hs->thread_index], hs);
- if (CLIB_DEBUG)
- memset (hs, 0xfa, sizeof (*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_cleanup (http_session_t * hs)
-{
- if (!hs)
- return;
- 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);
-}
-
-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_global_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%s";
-
-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, vec_len (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);
- http_server_session_cleanup (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;
- http_session_t *hs;
-
- if (!hsm->is_static)
- http_server_sessions_writer_lock ();
-
- hs = http_server_session_lookup (s->thread_index, s->session_index);
- http_server_session_cleanup (hs);
-
- if (!hsm->is_static)
- http_server_sessions_writer_unlock ();
-
- 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;
- http_session_t *hs;
-
- if (!hsm->is_static)
- http_server_sessions_writer_lock ();
-
- hs = http_server_session_lookup (s->thread_index, s->session_index);
- http_server_session_cleanup (hs);
-
- if (!hsm->is_static)
- http_server_sessions_writer_unlock ();
-
- 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, u8 is_fail)
-{
- clib_warning ("called...");
- return -1;
-}
-
-static int
-http_server_add_segment_callback (u32 client_index, u64 segment_handle)
-{
- clib_warning ("called...");
- return -1;
-}
-
-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
-};
-
-static int
-http_server_attach ()
-{
- 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;
- 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_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 (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
-http_server_listen ()
-{
- http_server_main_t *hsm = &http_server_main;
- vnet_listen_args_t _a, *a = &_a;
- clib_memset (a, 0, sizeof (*a));
- a->app_index = hsm->app_index;
- a->uri = "tcp://0.0.0.0/80";
- if (hsm->uri)
- a->uri = (char *) hsm->uri;
- return vnet_bind_uri (a);
-}
-
-static void
-http_server_session_cleanup_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);
- http_server_session_cleanup (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_cleanup_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:
-*/
Code Review / vpp.git / blobdiff