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gerrit.nordix.org / fdio / vpp / ba3c77364cc8b7dfb136e955458177e1a9a14c98 / . / src / vnet / tcp / builtin_http_server.c
blob: 70daf18849aa07a168c074f78b0ccb72688b9be7 [file] [log] [blame]
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]1/*
2* Copyright (c) 2015-2017 Cisco and/or its affiliates.
3* Licensed under the Apache License, Version 2.0 (the "License");
4* you may not use this file except in compliance with the License.
5* You may obtain a copy of the License at:
6*
7* http://www.apache.org/licenses/LICENSE-2.0
8*
9* Unless required by applicable law or agreed to in writing, software
10* distributed under the License is distributed on an "AS IS" BASIS,
11* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12* See the License for the specific language governing permissions and
13* limitations under the License.
14*/
15
16#include <vnet/vnet.h>
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]17#include <vnet/session/application.h>
18#include <vnet/session/application_interface.h>
19
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]20typedef enum
21{
22 EVENT_WAKEUP = 1,
23} http_process_event_t;
24
25typedef struct
26{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]27 u64 session_handle;
28 u64 node_index;
29 u8 *data;
30} builtin_http_server_args;
31
32typedef struct
33{
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]34 u8 **rx_buf;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]35 unix_shared_memory_queue_t **vpp_queue;
36 u64 byte_index;
37
38 uword *handler_by_get_request;
39
40 u32 *free_http_cli_process_node_indices;
41
42 /* Sever's event queue */
43 unix_shared_memory_queue_t *vl_input_queue;
44
45 /* API client handle */
46 u32 my_client_index;
47
48 u32 app_index;
49
50 /* process node index for evnt scheduling */
51 u32 node_index;
52 vlib_main_t *vlib_main;
53} http_server_main_t;
54
55http_server_main_t http_server_main;
56
57static void
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]58free_http_process (builtin_http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]59{
60 vlib_node_runtime_t *rt;
61 vlib_main_t *vm = &vlib_global_main;
62 http_server_main_t *hsm = &http_server_main;
63 vlib_node_t *n;
64 u32 node_index;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]65 builtin_http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]66
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]67 node_index = args->node_index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]68 ASSERT (node_index != 0);
69
70 n = vlib_get_node (vm, node_index);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]71 rt = vlib_node_get_runtime (vm, n->index);
72 save_args = vlib_node_get_runtime_data (vm, n->index);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]73
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]74 /* Reset process session pointer */
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]75 clib_mem_free (*save_args);
76 *save_args = 0;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]77
78 /* Turn off the process node */
79 vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
80
81 /* add node index to the freelist */
82 vec_add1 (hsm->free_http_cli_process_node_indices, node_index);
83}
84
85static const char
86 *http_response = "HTTP/1.1 200 OK\r\n"
87 "Content-Type: text/html\r\n"
88 "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
89 "Connection: close\r\n"
90 "Pragma: no-cache\r\n" "Content-Length: %d\r\n\r\n%s";
91
92static const char
93 *http_error_template = "HTTP/1.1 %s\r\n"
94 "Content-Type: text/html\r\n"
95 "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
96 "Connection: close\r\n" "Pragma: no-cache\r\n" "Content-Length: 0\r\n\r\n";
97
98/* Header, including incantation to suppress favicon.ico requests */
99static const char
100 *html_header_template = "<html><head><title>%v</title>"
101 "</head><link rel=\"icon\" href=\"data:,\"><body><pre>";
102
103static const char *html_footer = "</pre></body></html>\r\n";
104
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]105static const char
106 *html_header_static = "<html><head><title>static reply</title></head>"
107 "<link rel=\"icon\" href=\"data:,\"><body><pre>hello</pre></body>"
108 "</html>\r\n";
109
110static u8 *static_http;
111
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]112static void
113http_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
114{
115 u8 **output_vecp = (u8 **) arg;
116 u8 *output_vec;
117 u32 offset;
118
119 output_vec = *output_vecp;
120
121 offset = vec_len (output_vec);
122 vec_validate (output_vec, offset + buffer_bytes - 1);
123 clib_memcpy (output_vec + offset, buffer, buffer_bytes);
124
125 *output_vecp = output_vec;
126}
127
128void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]129send_data (stream_session_t * s, u8 * data)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]130{
131 session_fifo_event_t evt;
132 u32 offset, bytes_to_send;
133 f64 delay = 10e-3;
134 http_server_main_t *hsm = &http_server_main;
135 vlib_main_t *vm = hsm->vlib_main;
136 f64 last_sent_timer = vlib_time_now (vm);
137
138 bytes_to_send = vec_len (data);
139 offset = 0;
140
141 while (bytes_to_send > 0)
142 {
143 int actual_transfer;
144
145 actual_transfer = svm_fifo_enqueue_nowait
146 (s->server_tx_fifo, bytes_to_send, data + offset);
147
148 /* Made any progress? */
149 if (actual_transfer <= 0)
150 {
151 vlib_process_suspend (vm, delay);
152 /* 10s deadman timer */
153 if (vlib_time_now (vm) > last_sent_timer + 10.0)
154 {
155 /* $$$$ FC: reset transport session here? */
156 break;
157 }
158 /* Exponential backoff, within reason */
159 if (delay < 1.0)
160 delay = delay * 2.0;
161 }
162 else
163 {
164 last_sent_timer = vlib_time_now (vm);
165 offset += actual_transfer;
166 bytes_to_send -= actual_transfer;
167
168 if (svm_fifo_set_event (s->server_tx_fifo))
169 {
170 /* Fabricate TX event, send to vpp */
171 evt.fifo = s->server_tx_fifo;
172 evt.event_type = FIFO_EVENT_APP_TX;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]173
174 unix_shared_memory_queue_add (hsm->vpp_queue[s->thread_index],
175 (u8 *) & evt,
176 0 /* do wait for mutex */ );
177 }
178 delay = 10e-3;
179 }
180 }
181}
182
183static void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]184send_error (stream_session_t * s, char *str)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]185{
186 u8 *data;
187
188 data = format (0, http_error_template, str);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]189 send_data (s, data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]190 vec_free (data);
191}
192
193static uword
194http_cli_process (vlib_main_t * vm,
195 vlib_node_runtime_t * rt, vlib_frame_t * f)
196{
197 http_server_main_t *hsm = &http_server_main;
198 u8 *request = 0, *reply = 0;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]199 builtin_http_server_args **save_args;
200 builtin_http_server_args *args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]201 stream_session_t *s;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]202 unformat_input_t input;
203 int i;
204 u8 *http = 0, *html = 0;
205
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]206 save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
207 args = *save_args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]208 s = session_get_from_handle (args->session_handle);
209 ASSERT (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]210
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]211 request = (u8 *) (void *) (args->data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]212 if (vec_len (request) < 7)
213 {
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]214 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]215 goto out;
216 }
217
218 for (i = 0; i < vec_len (request) - 4; i++)
219 {
220 if (request[i] == 'G' &&
221 request[i + 1] == 'E' &&
222 request[i + 2] == 'T' && request[i + 3] == ' ')
223 goto found;
224 }
225bad_request:
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]226 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]227 goto out;
228
229found:
230 /* Lose "GET " */
231 vec_delete (request, i + 5, 0);
232
233 /* Replace slashes with spaces, stop at the end of the path */
234 i = 0;
235 while (1)
236 {
237 if (request[i] == '/')
238 request[i] = ' ';
239 else if (request[i] == ' ')
240 {
241 /* vlib_cli_input is vector-based, no need for a NULL */
242 _vec_len (request) = i;
243 break;
244 }
245 i++;
246 /* Should never happen */
247 if (i == vec_len (request))
248 goto bad_request;
249 }
250
251 /* Generate the html header */
252 html = format (0, html_header_template, request /* title */ );
253
254 /* Run the command */
255 unformat_init_vector (&input, request);
256 vlib_cli_input (vm, &input, http_cli_output, (uword) & reply);
257 unformat_free (&input);
258 request = 0;
259
260 /* Generate the html page */
261 html = format (html, "%v", reply);
262 html = format (html, html_footer);
263 /* And the http reply */
264 http = format (0, http_response, vec_len (html), html);
265
266 /* Send it */
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]267 send_data (s, http);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]268
269out:
270 /* Cleanup */
271 vec_free (request);
272 vec_free (reply);
273 vec_free (html);
274 vec_free (http);
275
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]276 free_http_process (args);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]277 return (0);
278}
279
280static void
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]281alloc_http_process (builtin_http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]282{
283 char *name;
284 vlib_node_t *n;
285 http_server_main_t *hsm = &http_server_main;
286 vlib_main_t *vm = hsm->vlib_main;
287 uword l = vec_len (hsm->free_http_cli_process_node_indices);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]288 builtin_http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]289
290 if (vec_len (hsm->free_http_cli_process_node_indices) > 0)
291 {
292 n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]293 vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]294 _vec_len (hsm->free_http_cli_process_node_indices) = l - 1;
295 }
296 else
297 {
298 static vlib_node_registration_t r = {
299 .function = http_cli_process,
300 .type = VLIB_NODE_TYPE_PROCESS,
301 .process_log2_n_stack_bytes = 16,
302 .runtime_data_bytes = sizeof (void *),
303 };
304
305 name = (char *) format (0, "http-cli-%d", l);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]306 r.name = name;
307 vlib_register_node (vm, &r);
308 vec_free (name);
309
310 n = vlib_get_node (vm, r.index);
311 }
312
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]313 /* Save the node index in the args. It won't be zero. */
314 args->node_index = n->index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]315
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]316 /* Save the args (pointer) in the node runtime */
317 save_args = vlib_node_get_runtime_data (vm, n->index);
318 *save_args = args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]319
320 vlib_start_process (vm, n->runtime_index);
321}
322
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]323static void
324alloc_http_process_callback (void *cb_args)
325{
326 alloc_http_process ((builtin_http_server_args *) cb_args);
327}
328
329static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]330session_rx_request (stream_session_t * s)
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]331{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]332 http_server_main_t *hsm = &http_server_main;
333 svm_fifo_t *rx_fifo;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]334 u32 max_dequeue;
335 int actual_transfer;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]336
337 rx_fifo = s->server_rx_fifo;
338 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
339 svm_fifo_unset_event (rx_fifo);
340 if (PREDICT_FALSE (max_dequeue == 0))
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]341 return -1;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]342
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]343 vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
344 _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]345
346 actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]347 hsm->rx_buf[s->thread_index]);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]348 ASSERT (actual_transfer > 0);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]349 _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
350 return 0;
351}
352
353static int
354http_server_rx_callback (stream_session_t * s)
355{
356 http_server_main_t *hsm = &http_server_main;
357 builtin_http_server_args *args;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]358 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]359
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]360 rv = session_rx_request (s);
361 if (rv)
362 return rv;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]363
364 /* send the command to a new/recycled vlib process */
365 args = clib_mem_alloc (sizeof (*args));
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]366 args->data = vec_dup (hsm->rx_buf[s->thread_index]);
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]367 args->session_handle = session_handle (s);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]368
369 /* Send an RPC request via the thread-0 input node */
370 if (vlib_get_thread_index () != 0)
371 {
372 session_fifo_event_t evt;
373 evt.rpc_args.fp = alloc_http_process_callback;
374 evt.rpc_args.arg = args;
375 evt.event_type = FIFO_EVENT_RPC;
376 unix_shared_memory_queue_add
377 (session_manager_get_vpp_event_queue (0 /* main thread */ ),
378 (u8 *) & evt, 0 /* do wait for mutex */ );
379 }
380 else
381 alloc_http_process (args);
382 return 0;
383}
384
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]385static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]386http_server_rx_callback_static (stream_session_t * s)
387{
388 http_server_main_t *hsm = &http_server_main;
389 u8 *request = 0;
390 int i;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]391 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]392
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]393 rv = session_rx_request (s);
394 if (rv)
395 return rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]396
397 request = hsm->rx_buf[s->thread_index];
398 if (vec_len (request) < 7)
399 {
400 send_error (s, "400 Bad Request");
401 goto out;
402 }
403
404 for (i = 0; i < vec_len (request) - 4; i++)
405 {
406 if (request[i] == 'G' &&
407 request[i + 1] == 'E' &&
408 request[i + 2] == 'T' && request[i + 3] == ' ')
409 goto found;
410 }
411 send_error (s, "400 Bad Request");
412 goto out;
413
414found:
415
416 /* Send it */
417 send_data (s, static_http);
418
419out:
420 /* Cleanup */
421 vec_free (request);
422 return 0;
423}
424
425static int
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]426builtin_session_accept_callback (stream_session_t * s)
427{
428 http_server_main_t *bsm = &http_server_main;
429
430 bsm->vpp_queue[s->thread_index] =
431 session_manager_get_vpp_event_queue (s->thread_index);
432 s->session_state = SESSION_STATE_READY;
433 bsm->byte_index = 0;
434 return 0;
435}
436
437static void
438builtin_session_disconnect_callback (stream_session_t * s)
439{
440 http_server_main_t *bsm = &http_server_main;
441 vnet_disconnect_args_t _a, *a = &_a;
442
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]443 a->handle = session_handle (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]444 a->app_index = bsm->app_index;
445 vnet_disconnect_session (a);
446}
447
448static void
449builtin_session_reset_callback (stream_session_t * s)
450{
451 clib_warning ("called.. ");
452
453 stream_session_cleanup (s);
454}
455
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]456static int
457builtin_session_connected_callback (u32 app_index, u32 api_context,
458 stream_session_t * s, u8 is_fail)
459{
460 clib_warning ("called...");
461 return -1;
462}
463
464static int
465builtin_add_segment_callback (u32 client_index,
466 const u8 * seg_name, u32 seg_size)
467{
468 clib_warning ("called...");
469 return -1;
470}
471
472static int
473builtin_redirect_connect_callback (u32 client_index, void *mp)
474{
475 clib_warning ("called...");
476 return -1;
477}
478
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]479static session_cb_vft_t builtin_session_cb_vft = {
480 .session_accept_callback = builtin_session_accept_callback,
481 .session_disconnect_callback = builtin_session_disconnect_callback,
482 .session_connected_callback = builtin_session_connected_callback,
483 .add_segment_callback = builtin_add_segment_callback,
484 .redirect_connect_callback = builtin_redirect_connect_callback,
485 .builtin_server_rx_callback = http_server_rx_callback,
486 .session_reset_callback = builtin_session_reset_callback
487};
488
489/* Abuse VPP's input queue */
490static int
491create_api_loopback (vlib_main_t * vm)
492{
493 http_server_main_t *hsm = &http_server_main;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]494 api_main_t *am = &api_main;
495 vl_shmem_hdr_t *shmem_hdr;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]496
497 shmem_hdr = am->shmem_hdr;
498 hsm->vl_input_queue = shmem_hdr->vl_input_queue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]499 hsm->my_client_index =
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]500 vl_api_memclnt_create_internal ("test_http_server", hsm->vl_input_queue);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]501 return 0;
502}
503
504static int
505server_attach ()
506{
507 http_server_main_t *hsm = &http_server_main;
508 u8 segment_name[128];
509 u64 options[SESSION_OPTIONS_N_OPTIONS];
510 vnet_app_attach_args_t _a, *a = &_a;
511
512 memset (a, 0, sizeof (*a));
513 memset (options, 0, sizeof (options));
514
515 a->api_client_index = hsm->my_client_index;
516 a->session_cb_vft = &builtin_session_cb_vft;
517 a->options = options;
518 a->options[SESSION_OPTIONS_SEGMENT_SIZE] = 128 << 20;
519 a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 8 << 10;
520 a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 32 << 10;
Florin Coras7999e832017-10-31 01:51:04 -0700[diff] [blame]521 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
Dave Barach10d8cc62017-05-30 09:30:07 -0400[diff] [blame]522 a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]523 a->segment_name = segment_name;
524 a->segment_name_length = ARRAY_LEN (segment_name);
525
526 if (vnet_application_attach (a))
527 {
528 clib_warning ("failed to attach server");
529 return -1;
530 }
531 hsm->app_index = a->app_index;
532 return 0;
533}
534
535static int
536server_listen ()
537{
538 http_server_main_t *hsm = &http_server_main;
539 vnet_bind_args_t _a, *a = &_a;
540 memset (a, 0, sizeof (*a));
541 a->app_index = hsm->app_index;
542 a->uri = "tcp://0.0.0.0/80";
543 return vnet_bind_uri (a);
544}
545
546static int
547server_create (vlib_main_t * vm)
548{
549 http_server_main_t *hsm = &http_server_main;
550 u32 num_threads;
551 vlib_thread_main_t *vtm = vlib_get_thread_main ();
552
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]553 ASSERT (hsm->my_client_index == (u32) ~ 0);
554 if (create_api_loopback (vm))
555 return -1;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]556
557 num_threads = 1 /* main thread */ + vtm->n_threads;
558 vec_validate (http_server_main.vpp_queue, num_threads - 1);
559
560 if (server_attach ())
561 {
562 clib_warning ("failed to attach server");
563 return -1;
564 }
565 if (server_listen ())
566 {
567 clib_warning ("failed to start listening");
568 return -1;
569 }
570 return 0;
571}
572
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]573static clib_error_t *
574server_create_command_fn (vlib_main_t * vm,
575 unformat_input_t * input, vlib_cli_command_t * cmd)
576{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]577 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]578 int rv, is_static = 0;
579 u8 *html;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]580
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]581 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
582 {
583 if (unformat (input, "static"))
584 is_static = 1;
585 else
586 return clib_error_return (0, "unknown input `%U'",
587 format_unformat_error, input);
588 }
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]589 if (hsm->my_client_index != (u32) ~ 0)
590 return clib_error_return (0, "test http server is already running");
591
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]592 vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]593
594 if (is_static)
595 {
596 builtin_session_cb_vft.builtin_server_rx_callback =
597 http_server_rx_callback_static;
598 html = format (0, html_header_static);
599 static_http = format (0, http_response, vec_len (html), html);
600 }
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]601 rv = server_create (vm);
602 switch (rv)
603 {
604 case 0:
605 break;
606 default:
607 return clib_error_return (0, "server_create returned %d", rv);
608 }
609 return 0;
610}
611
612/* *INDENT-OFF* */
613VLIB_CLI_COMMAND (server_create_command, static) =
614{
615 .path = "test http server",
616 .short_help = "test http server",
617 .function = server_create_command_fn,
618};
619/* *INDENT-ON* */
620
621static clib_error_t *
622builtin_http_server_main_init (vlib_main_t * vm)
623{
624 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]625 vlib_thread_main_t *vtm = vlib_get_thread_main ();
626 u32 num_threads;
627
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]628 hsm->my_client_index = ~0;
629 hsm->vlib_main = vm;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]630 num_threads = 1 /* main thread */ + vtm->n_threads;
631 vec_validate (hsm->rx_buf, num_threads - 1);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]632 return 0;
633}
634
635VLIB_INIT_FUNCTION (builtin_http_server_main_init);
636
637/*
638* fd.io coding-style-patch-verification: ON
639*
640* Local Variables:
641* eval: (c-set-style "gnu")
642* End:
643*/