da/df4/http__server_8c_source.html

 /*
 * Copyright (c) 2015-2017 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>

 typedef enum
 {
   EVENT_WAKEUP = 1,
 } http_process_event_t;

 typedef struct
 {
   u64 session_handle;
   u64 node_index;
   u8 *data;
 } http_server_args;

 typedef struct
 {
   u8 **rx_buf;
   svm_queue_t **vpp_queue;
   u64 byte_index;

   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;

   u32 prealloc_fifos;
   u32 private_segment_size;
   u32 fifo_size;
   u8 *uri;
   vlib_main_t *vlib_main;
 } http_server_main_t;

 http_server_main_t http_server_main;

 static void
 free_http_process (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_response =
     "HTTP/1.1 200 OK\r\n"
     "Content-Type: text/html\r\n"
     "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
     "Connection: keep-alive \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 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 (output_vec + offset, buffer, buffer_bytes);

   *output_vecp = output_vec;
 }

 void
 send_data (stream_session_t * s, u8 * data)
 {
   session_fifo_event_t evt;
   u32 offset, bytes_to_send;
   f64 delay = 10e-3;
   http_server_main_t *hsm = &http_server_main;
   vlib_main_t *vm = hsm->vlib_main;
   f64 last_sent_timer = vlib_time_now (vm);

   bytes_to_send = vec_len (data);
   offset = 0;

   while (bytes_to_send > 0)
     {
       int actual_transfer;

       actual_transfer = svm_fifo_enqueue_nowait
         (s->server_tx_fifo, bytes_to_send, data + offset);

       /* Made any progress? */
       if (actual_transfer <= 0)
         {
           vlib_process_suspend (vm, delay);
           /* 10s deadman timer */
           if (vlib_time_now (vm) > last_sent_timer + 10.0)
             {
               /* $$$$ FC: reset transport session here? */
               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 (s->server_tx_fifo))
             {
               /* Fabricate TX event, send to vpp */
               evt.fifo = s->server_tx_fifo;
               evt.event_type = FIFO_EVENT_APP_TX;

               svm_queue_add (hsm->vpp_queue[s->thread_index],
                              (u8 *) & evt, 0 /* do wait for mutex */ );
             }
           delay = 10e-3;
         }
     }
 }

 static void
 send_error (stream_session_t * s, char *str)
 {
   u8 *data;

   data = format (0, http_error_template, str);
   send_data (s, data);
   vec_free (data);
 }

 static uword
 http_cli_process (vlib_main_t * vm,
                   vlib_node_runtime_t * rt, vlib_frame_t * f)
 {
   http_server_main_t *hsm = &http_server_main;
   u8 *request = 0, *reply = 0;
   http_server_args **save_args;
   http_server_args *args;
   stream_session_t *s;
   unformat_input_t input;
   int i;
   u8 *http = 0, *html = 0;

   save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
   args = *save_args;
   s = session_get_from_handle (args->session_handle);
   ASSERT (s);

   request = (u8 *) (void *) (args->data);
   if (vec_len (request) < 7)
     {
       send_error (s, "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 (s, "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, 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_response, vec_len (html), html);

   /* Send it */
   send_data (s, http);

 out:
   /* Cleanup */
   vec_free (request);
   vec_free (reply);
   vec_free (html);
   vec_free (http);

   free_http_process (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 = 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 (stream_session_t * s)
 {
   http_server_main_t *hsm = &http_server_main;
   svm_fifo_t *rx_fifo;
   u32 max_dequeue;
   int actual_transfer;

   rx_fifo = s->server_rx_fifo;
   max_dequeue = svm_fifo_max_dequeue (rx_fifo);
   svm_fifo_unset_event (rx_fifo);
   if (PREDICT_FALSE (max_dequeue == 0))
     return -1;

   vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
   _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;

   actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
                                              hsm->rx_buf[s->thread_index]);
   ASSERT (actual_transfer > 0);
   _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
   return 0;
 }

 static int
 http_server_rx_callback (stream_session_t * s)
 {
   http_server_main_t *hsm = &http_server_main;
   http_server_args *args;
   int rv;

   rv = session_rx_request (s);
   if (rv)
     return rv;

   /* send the command to a new/recycled vlib process */
   args = clib_mem_alloc (sizeof (*args));
   args->data = vec_dup (hsm->rx_buf[s->thread_index]);
   args->session_handle = session_handle (s);

   /* Send an RPC request via the thread-0 input node */
   if (vlib_get_thread_index () != 0)
     {
       session_fifo_event_t evt;
       evt.rpc_args.fp = alloc_http_process_callback;
       evt.rpc_args.arg = args;
       evt.event_type = FIFO_EVENT_RPC;
       svm_queue_add
         (session_manager_get_vpp_event_queue (0 /* main thread */ ),
          (u8 *) & evt, 0 /* do wait for mutex */ );
     }
   else
     alloc_http_process (args);
   return 0;
 }

 static int
 http_server_rx_callback_static (stream_session_t * s)
 {
   http_server_main_t *hsm = &http_server_main;
   u8 *request = 0;
   int i;
   int rv;

   rv = session_rx_request (s);
   if (rv)
     return rv;

   request = hsm->rx_buf[s->thread_index];
   if (vec_len (request) < 7)
     {
       send_error (s, "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;
     }
   send_error (s, "400 Bad Request");
   goto out;

 found:

   /* Send it */
   send_data (s, static_http);

 out:
   /* Cleanup */
   vec_free (request);
   hsm->rx_buf[s->thread_index] = request;
   return 0;
 }

 static int
 http_server_session_accept_callback (stream_session_t * s)
 {
   http_server_main_t *bsm = &http_server_main;

   bsm->vpp_queue[s->thread_index] =
     session_manager_get_vpp_event_queue (s->thread_index);
   s->session_state = SESSION_STATE_READY;
   bsm->byte_index = 0;
   return 0;
 }

 static void
 http_server_session_disconnect_callback (stream_session_t * s)
 {
   http_server_main_t *bsm = &http_server_main;
   vnet_disconnect_args_t _a, *a = &_a;

   a->handle = session_handle (s);
   a->app_index = bsm->app_index;
   vnet_disconnect_session (a);
 }

 static void
 http_server_session_reset_callback (stream_session_t * s)
 {
   clib_warning ("called.. ");
   stream_session_cleanup (s);
 }

 static int
 http_server_session_connected_callback (u32 app_index, u32 api_context,
                                         stream_session_t * s, u8 is_fail)
 {
   clib_warning ("called...");
   return -1;
 }

 static int
 http_server_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
 {
   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
 };

 /* Abuse VPP's input queue */
 static int
 create_api_loopback (vlib_main_t * vm)
 {
   http_server_main_t *hsm = &http_server_main;
   api_main_t *am = &api_main;
   vl_shmem_hdr_t *shmem_hdr;

   shmem_hdr = am->shmem_hdr;
   hsm->vl_input_queue = shmem_hdr->vl_input_queue;
   hsm->my_client_index =
     vl_api_memclnt_create_internal ("http_server", hsm->vl_input_queue);
   return 0;
 }

 static int
 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;

   memset (a, 0, sizeof (*a));
   memset (options, 0, sizeof (options));

   if (hsm->private_segment_size)
     segment_size = hsm->private_segment_size;

   a->api_client_index = hsm->my_client_index;
   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))
     {
       clib_warning ("failed to attach server");
       return -1;
     }
   hsm->app_index = a->app_index;

   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 (a_cert->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
   vnet_app_add_tls_cert (a_cert);

   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 (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_bind_args_t _a, *a = &_a;
   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 int
 http_server_create (vlib_main_t * vm)
 {
   http_server_main_t *hsm = &http_server_main;
   u32 num_threads;
   vlib_thread_main_t *vtm = vlib_get_thread_main ();

   ASSERT (hsm->my_client_index == (u32) ~ 0);
   if (create_api_loopback (vm))
     return -1;

   num_threads = 1 /* main thread */  + vtm->n_threads;
   vec_validate (http_server_main.vpp_queue, num_threads - 1);

   if (server_attach ())
     {
       clib_warning ("failed to attach server");
       return -1;
     }
   if (http_server_listen ())
     {
       clib_warning ("failed to start listening");
       return -1;
     }
   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;
   int rv, is_static = 0;
   u64 seg_size;
   u8 *html;

   hsm->prealloc_fifos = 0;
   hsm->private_segment_size = 0;
   hsm->fifo_size = 0;
   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
     {
       if (unformat (input, "static"))
         is_static = 1;
       else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos))
         ;
       else if (unformat (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 (input, "fifo-size %d", &hsm->fifo_size))
         hsm->fifo_size <<= 10;
       else if (unformat (input, "uri %s", &hsm->uri))
         ;
       else
         return clib_error_return (0, "unknown input `%U'",
                                   format_unformat_error, input);
     }
   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 (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);
     }
   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;
   vlib_thread_main_t *vtm = vlib_get_thread_main ();
   u32 num_threads;

   hsm->my_client_index = ~0;
   hsm->vlib_main = vm;
   num_threads = 1 /* main thread */  + vtm->n_threads;
   vec_validate (hsm->rx_buf, num_threads - 1);
   return 0;
 }

 VLIB_INIT_FUNCTION (http_server_main_init);

 /*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
vec_validate
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:437

session_manager_get_vpp_event_queue
static svm_queue_t * session_manager_get_vpp_event_queue(u32 thread_index)
Definition: session.h:552

http_server_session_disconnect_callback
static void http_server_session_disconnect_callback(stream_session_t *s)
Definition: http_server.c:450

vlib_global_main
vlib_main_t vlib_global_main
Definition: main.c:1644

APP_OPTIONS_RX_FIFO_SIZE
Definition: application_interface.h:124

http_server_main_t::rx_buf
u8 ** rx_buf
Definition: http_server.c:34

vlib_thread_main_t::n_threads
u32 n_threads
Definition: threads.h:317

svm_queue_add
int svm_queue_add(svm_queue_t *q, u8 *elem, int nowait)
Definition: queue.c:184

http_server_create
static int http_server_create(vlib_main_t *vm)
Definition: http_server.c:569

vl_api_memclnt_create_internal
u32 vl_api_memclnt_create_internal(char *name, svm_queue_t *q)
Definition: memory_api.c:112

a
a
Definition: bitmap.h:537

test_srv_crt_rsa_len
const u32 test_srv_crt_rsa_len
Definition: application_interface.c:52

html_header_template
static const char * html_header_template
Definition: http_server.c:108

vlib_cli_input
void vlib_cli_input(vlib_main_t *vm, unformat_input_t *input, vlib_cli_output_function_t *function, uword function_arg)
Definition: cli.c:644

http_server_main_t::app_index
u32 app_index
Definition: http_server.c:48

http_server_main_t::vl_input_queue
svm_queue_t * vl_input_queue
Definition: http_server.c:43

http_response
static const char * http_response
Definition: http_server.c:91

vnet_bind_uri
int vnet_bind_uri(vnet_bind_args_t *a)
Definition: application_interface.c:514

test_srv_key_rsa_len
const u32 test_srv_key_rsa_len
Definition: application_interface.c:82

u64
unsigned long u64
Definition: types.h:89

vlib_node_t::index
u32 index
Definition: node.h:273

vlib_time_now
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:225

application.h

http_server_args
Definition: http_server.c:25

application_interface.h

vec_add1
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:523

vlib_thread_main_t
Definition: threads.h:289

EVENT_WAKEUP
Definition: http_server.c:22

i
int i
Definition: flowhash_template.h:376

format
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419

http_server_session_accept_callback
static int http_server_session_accept_callback(stream_session_t *s)
Definition: http_server.c:438

vnet_app_add_tls_cert_args_t
struct _vnet_application_add_tls_cert_args_t vnet_app_add_tls_cert_args_t

session_get_from_handle
static stream_session_t * session_get_from_handle(session_handle_t handle)
Definition: session.h:336

APP_OPTIONS_N_OPTIONS
Definition: application_interface.h:132

http_server_main_t::uri
u8 * uri
Definition: http_server.c:56

vnet_app_add_tls_cert
clib_error_t * vnet_app_add_tls_cert(vnet_app_add_tls_cert_args_t *a)
Definition: application.c:1233

u8
unsigned char u8
Definition: types.h:56

vlib_frame_t
Definition: node.h:368

alloc_http_process_callback
static void alloc_http_process_callback(void *cb_args)
Definition: http_server.c:335

f64
double f64
Definition: types.h:142

svm_fifo_t
struct _svm_fifo svm_fifo_t

vlib_process_suspend
static uword vlib_process_suspend(vlib_main_t *vm, f64 dt)
Suspend a vlib cooperative multi-tasking thread for a period of time.
Definition: node_funcs.h:448

vlib_node_runtime_t
Definition: node.h:445

send_error
static void send_error(stream_session_t *s, char *str)
Definition: http_server.c:195

http_server_rx_callback_static
static int http_server_rx_callback_static(stream_session_t *s)
Definition: http_server.c:397

VLIB_INIT_FUNCTION
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:156

vnet_disconnect_args_t
struct _vnet_disconnect_args_t vnet_disconnect_args_t

svm_fifo_max_dequeue
static u32 svm_fifo_max_dequeue(svm_fifo_t *f)
Definition: svm_fifo.h:105

session_cb_vft_t
struct _stream_session_cb_vft session_cb_vft_t

http_server_listen
static int http_server_listen()
Definition: http_server.c:556

clib_error_return
#define clib_error_return(e, args...)
Definition: error.h:99

svm_fifo_enqueue_nowait
int svm_fifo_enqueue_nowait(svm_fifo_t *f, u32 max_bytes, const u8 *copy_from_here)
Definition: svm_fifo.c:538

api_main_t::shmem_hdr
struct vl_shmem_hdr_ * shmem_hdr
Binary API shared-memory segment header pointer.
Definition: api_common.h:264

stream_session_cleanup
void stream_session_cleanup(stream_session_t *s)
Cleanup transport and session state.
Definition: session.c:1122

u32
unsigned int u32
Definition: types.h:88

http_server_main_t::prealloc_fifos
u32 prealloc_fifos
Definition: http_server.c:53

stream_session_t
struct _stream_session_t stream_session_t

vnet_app_attach_args_t
struct _vnet_app_attach_args_t vnet_app_attach_args_t

shmem_hdr
vl_shmem_hdr_t * shmem_hdr
Definition: summary_stats_client.c:73

http_server_session_cb_vft
static session_cb_vft_t http_server_session_cb_vft
Definition: http_server.c:482

APP_OPTIONS_SEGMENT_SIZE
Definition: application_interface.h:121

vnet_app_add_tls_key
clib_error_t * vnet_app_add_tls_key(vnet_app_add_tls_key_args_t *a)
Definition: application.c:1245

http_server_session_reset_callback
static void http_server_session_reset_callback(stream_session_t *s)
Definition: http_server.c:461

html_header_static
static const char * html_header_static
Definition: http_server.c:116

static_http
static u8 * static_http
Definition: http_server.c:122

unformat_input_t
struct _unformat_input_t unformat_input_t

session_handle
static session_handle_t session_handle(stream_session_t *s)
Definition: session.h:310

vec_dup
#define vec_dup(V)
Return copy of vector (no header, no alignment)
Definition: vec.h:373

vlib_node_get_runtime_data
static void * vlib_node_get_runtime_data(vlib_main_t *vm, u32 node_index)
Get node runtime private data by node index.
Definition: node_funcs.h:110

PREDICT_FALSE
#define PREDICT_FALSE(x)
Definition: clib.h:105

svm_fifo_unset_event
static void svm_fifo_unset_event(svm_fifo_t *f)
Unsets fifo event flag.
Definition: svm_fifo.h:138

free_http_process
static void free_http_process(http_server_args *args)
Definition: http_server.c:63

html_footer
static const char * html_footer
Definition: http_server.c:113

vlib_node_runtime_t::node_index
u32 node_index
Node index.
Definition: node.h:473

test_srv_crt_rsa
const char test_srv_crt_rsa[]
Definition: application_interface.c:28

vnet_session_enable_disable
clib_error_t * vnet_session_enable_disable(vlib_main_t *vm, u8 is_en)
Definition: session.c:1439

vnet.h

http_server_main_t::fifo_size
u32 fifo_size
Definition: http_server.c:55

api_main_t
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:201

unformat_init_vector
void unformat_init_vector(unformat_input_t *input, u8 *vector_string)
Definition: unformat.c:1031

svm_fifo_set_event
static u8 svm_fifo_set_event(svm_fifo_t *f)
Sets fifo event flag.
Definition: svm_fifo.h:128

FIFO_EVENT_APP_TX
Definition: session.h:36

http_server_add_segment_callback
static int http_server_add_segment_callback(u32 client_index, const ssvm_private_t *sp)
Definition: http_server.c:476

http_server_main_t::vlib_main
vlib_main_t * vlib_main
Definition: http_server.c:57

UNFORMAT_END_OF_INPUT
#define UNFORMAT_END_OF_INPUT
Definition: format.h:143

vlib_node_t::runtime_index
u32 runtime_index
Definition: node.h:276

vlib_get_thread_index
static_always_inline uword vlib_get_thread_index(void)
Definition: threads.h:221

vm
vlib_main_t * vm
Definition: buffer.c:294

http_server_session_connected_callback
static int http_server_session_connected_callback(u32 app_index, u32 api_context, stream_session_t *s, u8 is_fail)
Definition: http_server.c:468

vec_free
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:339

clib_warning
#define clib_warning(format, args...)
Definition: error.h:59

vlib_node_get_runtime
static vlib_node_runtime_t * vlib_node_get_runtime(vlib_main_t *vm, u32 node_index)
Get node runtime by node index.
Definition: node_funcs.h:89

clib_memcpy
#define clib_memcpy(a, b, c)
Definition: string.h:75

http_server_args::node_index
u64 node_index
Definition: http_server.c:28

vnet_disconnect_session
int vnet_disconnect_session(vnet_disconnect_args_t *a)
Definition: application_interface.c:567

vl_shmem_hdr_::vl_input_queue
svm_queue_t * vl_input_queue
Definition: memory_shared.h:84

send_data
void send_data(stream_session_t *s, u8 *data)
Definition: http_server.c:141

VLIB_CLI_COMMAND
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:154

ASSERT
#define ASSERT(truth)
Definition: error_bootstrap.h:69

http_server_main_t
Definition: http_server.c:32

vec_delete
#define vec_delete(V, N, M)
Delete N elements starting at element M.
Definition: vec.h:786

APP_OPTIONS_TX_FIFO_SIZE
Definition: application_interface.h:125

VLIB_NODE_TYPE_PROCESS
Definition: node.h:73

vlib_register_node
u32 vlib_register_node(vlib_main_t *vm, vlib_node_registration_t *r)
Definition: node.c:518

clib_mem_free
static void clib_mem_free(void *p)
Definition: mem.h:179

vnet_app_add_tls_key_args_t
struct _vnet_application_add_tls_key_args_t vnet_app_add_tls_key_args_t

http_server_main_t::byte_index
u64 byte_index
Definition: http_server.c:36

vlib_node_set_state
static void vlib_node_set_state(vlib_main_t *vm, u32 node_index, vlib_node_state_t new_state)
Set node dispatch state.
Definition: node_funcs.h:147

http_server_main_t::node_index
u32 node_index
Definition: http_server.c:51

clib_mem_alloc
static void * clib_mem_alloc(uword size)
Definition: mem.h:112

APP_OPTIONS_PREALLOC_FIFO_PAIRS
Definition: application_interface.h:126

http_server_main_t::handler_by_get_request
uword * handler_by_get_request
Definition: http_server.c:38

clib_error_t
Definition: clib_error.h:21

vlib_node_registration_t
struct _vlib_node_registration vlib_node_registration_t

http_server_main_t::vpp_queue
svm_queue_t ** vpp_queue
Definition: http_server.c:35

http_server_main_init
static clib_error_t * http_server_main_init(vlib_main_t *vm)
Definition: http_server.c:666

SESSION_STATE_READY
Definition: stream_session.h:33

http_server_main
http_server_main_t http_server_main
Definition: http_server.c:60

alloc_http_process
static void alloc_http_process(http_server_args *args)
Definition: http_server.c:292

vec_len
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
Definition: vec_bootstrap.h:142

server_attach
static int server_attach()
Definition: http_server.c:507

vnet_application_attach
clib_error_t * vnet_application_attach(vnet_app_attach_args_t *a)
Attach application to vpp.
Definition: application_interface.c:447

http_server_args::data
u8 * data
Definition: http_server.c:29

vlib_main_t
Definition: main.h:59

uword
u64 uword
Definition: types.h:112

unformat_free
static void unformat_free(unformat_input_t *i)
Definition: format.h:161

vlib_node_t
Definition: node.h:251

create_api_loopback
static int create_api_loopback(vlib_main_t *vm)
Definition: http_server.c:493

vlib_cli_command_t
Definition: cli.h:91

http_server_create_command_fn
static clib_error_t * http_server_create_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: http_server.c:596

http_server_main_t::private_segment_size
u32 private_segment_size
Definition: http_server.c:54

svm_queue_t
struct _svm_queue svm_queue_t

http_error_template
static const char * http_error_template
Definition: http_server.c:99

http_server_rx_callback
static int http_server_rx_callback(stream_session_t *s)
Definition: http_server.c:365

unformat_memory_size
unformat_function_t unformat_memory_size
Definition: format.h:294

offset
struct clib_bihash_value offset
template key/value backing page structure

request
vhost_user_req_t request
Definition: vhost-user.h:76

vl_shmem_hdr_
Definition: memory_shared.h:76

format_unformat_error
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91

FIFO_EVENT_RPC
Definition: session.h:40

http_server_main_t::my_client_index
u32 my_client_index
Definition: http_server.c:46

http_server_args::session_handle
u64 session_handle
Definition: http_server.c:27

vlib_get_thread_main
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32

vlib_get_node
static vlib_node_t * vlib_get_node(vlib_main_t *vm, u32 i)
Get vlib node by index.
Definition: node_funcs.h:59

APP_OPTIONS_FLAGS
Definition: application_interface.h:119

ssvm_private_t
Definition: ssvm.h:81

http_process_event_t
http_process_event_t
Definition: http_server.c:20

vlib_start_process
void vlib_start_process(vlib_main_t *vm, uword process_index)
Definition: main.c:1346

api_main
api_main_t api_main
Definition: api_shared.c:35

vlib_cli_output
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:681

svm_fifo_dequeue_nowait
int svm_fifo_dequeue_nowait(svm_fifo_t *f, u32 max_bytes, u8 *copy_here)
Definition: svm_fifo.c:710

vnet_bind_args_t
struct _vnet_bind_args_t vnet_bind_args_t

http_cli_output
static void http_cli_output(uword arg, u8 *buffer, uword buffer_bytes)
Definition: http_server.c:125

unformat
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972

unformat_check_input
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:169

test_srv_key_rsa
const char test_srv_key_rsa[]
Definition: application_interface.c:54

http_server_main_t::free_http_cli_process_node_indices
u32 * free_http_cli_process_node_indices
Definition: http_server.c:40

http_cli_process
static uword http_cli_process(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: http_server.c:205

session_rx_request
static int session_rx_request(stream_session_t *s)
Definition: http_server.c:341