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gerrit.nordix.org / fdio / vpp / ff6e7699a5e9921d73818970ecf3571080922ecc / . / src / vnet / tcp / builtin_http_server.c
blob: 6e1cd8e770e9c2259e1b842f73af8c674dea4d67 [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;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]52
53 u32 prealloc_fifos;
54 u32 private_segment_size;
55 u32 fifo_size;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]56 vlib_main_t *vlib_main;
57} http_server_main_t;
58
59http_server_main_t http_server_main;
60
61static void
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]62free_http_process (builtin_http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]63{
64 vlib_node_runtime_t *rt;
65 vlib_main_t *vm = &vlib_global_main;
66 http_server_main_t *hsm = &http_server_main;
67 vlib_node_t *n;
68 u32 node_index;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]69 builtin_http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]70
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]71 node_index = args->node_index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]72 ASSERT (node_index != 0);
73
74 n = vlib_get_node (vm, node_index);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]75 rt = vlib_node_get_runtime (vm, n->index);
76 save_args = vlib_node_get_runtime_data (vm, n->index);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]77
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]78 /* Reset process session pointer */
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]79 clib_mem_free (*save_args);
80 *save_args = 0;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]81
82 /* Turn off the process node */
83 vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
84
85 /* add node index to the freelist */
86 vec_add1 (hsm->free_http_cli_process_node_indices, node_index);
87}
88
89static const char
90 *http_response = "HTTP/1.1 200 OK\r\n"
91 "Content-Type: text/html\r\n"
92 "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
93 "Connection: close\r\n"
94 "Pragma: no-cache\r\n" "Content-Length: %d\r\n\r\n%s";
95
96static const char
97 *http_error_template = "HTTP/1.1 %s\r\n"
98 "Content-Type: text/html\r\n"
99 "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
100 "Connection: close\r\n" "Pragma: no-cache\r\n" "Content-Length: 0\r\n\r\n";
101
102/* Header, including incantation to suppress favicon.ico requests */
103static const char
104 *html_header_template = "<html><head><title>%v</title>"
105 "</head><link rel=\"icon\" href=\"data:,\"><body><pre>";
106
107static const char *html_footer = "</pre></body></html>\r\n";
108
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]109static const char
110 *html_header_static = "<html><head><title>static reply</title></head>"
111 "<link rel=\"icon\" href=\"data:,\"><body><pre>hello</pre></body>"
112 "</html>\r\n";
113
114static u8 *static_http;
115
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]116static void
117http_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
118{
119 u8 **output_vecp = (u8 **) arg;
120 u8 *output_vec;
121 u32 offset;
122
123 output_vec = *output_vecp;
124
125 offset = vec_len (output_vec);
126 vec_validate (output_vec, offset + buffer_bytes - 1);
127 clib_memcpy (output_vec + offset, buffer, buffer_bytes);
128
129 *output_vecp = output_vec;
130}
131
132void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]133send_data (stream_session_t * s, u8 * data)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]134{
135 session_fifo_event_t evt;
136 u32 offset, bytes_to_send;
137 f64 delay = 10e-3;
138 http_server_main_t *hsm = &http_server_main;
139 vlib_main_t *vm = hsm->vlib_main;
140 f64 last_sent_timer = vlib_time_now (vm);
141
142 bytes_to_send = vec_len (data);
143 offset = 0;
144
145 while (bytes_to_send > 0)
146 {
147 int actual_transfer;
148
149 actual_transfer = svm_fifo_enqueue_nowait
150 (s->server_tx_fifo, bytes_to_send, data + offset);
151
152 /* Made any progress? */
153 if (actual_transfer <= 0)
154 {
155 vlib_process_suspend (vm, delay);
156 /* 10s deadman timer */
157 if (vlib_time_now (vm) > last_sent_timer + 10.0)
158 {
159 /* $$$$ FC: reset transport session here? */
160 break;
161 }
162 /* Exponential backoff, within reason */
163 if (delay < 1.0)
164 delay = delay * 2.0;
165 }
166 else
167 {
168 last_sent_timer = vlib_time_now (vm);
169 offset += actual_transfer;
170 bytes_to_send -= actual_transfer;
171
172 if (svm_fifo_set_event (s->server_tx_fifo))
173 {
174 /* Fabricate TX event, send to vpp */
175 evt.fifo = s->server_tx_fifo;
176 evt.event_type = FIFO_EVENT_APP_TX;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]177
178 unix_shared_memory_queue_add (hsm->vpp_queue[s->thread_index],
179 (u8 *) & evt,
180 0 /* do wait for mutex */ );
181 }
182 delay = 10e-3;
183 }
184 }
185}
186
187static void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]188send_error (stream_session_t * s, char *str)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]189{
190 u8 *data;
191
192 data = format (0, http_error_template, str);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]193 send_data (s, data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]194 vec_free (data);
195}
196
197static uword
198http_cli_process (vlib_main_t * vm,
199 vlib_node_runtime_t * rt, vlib_frame_t * f)
200{
201 http_server_main_t *hsm = &http_server_main;
202 u8 *request = 0, *reply = 0;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]203 builtin_http_server_args **save_args;
204 builtin_http_server_args *args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]205 stream_session_t *s;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]206 unformat_input_t input;
207 int i;
208 u8 *http = 0, *html = 0;
209
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]210 save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
211 args = *save_args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]212 s = session_get_from_handle (args->session_handle);
213 ASSERT (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]214
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]215 request = (u8 *) (void *) (args->data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]216 if (vec_len (request) < 7)
217 {
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]218 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]219 goto out;
220 }
221
222 for (i = 0; i < vec_len (request) - 4; i++)
223 {
224 if (request[i] == 'G' &&
225 request[i + 1] == 'E' &&
226 request[i + 2] == 'T' && request[i + 3] == ' ')
227 goto found;
228 }
229bad_request:
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]230 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]231 goto out;
232
233found:
234 /* Lose "GET " */
235 vec_delete (request, i + 5, 0);
236
237 /* Replace slashes with spaces, stop at the end of the path */
238 i = 0;
239 while (1)
240 {
241 if (request[i] == '/')
242 request[i] = ' ';
243 else if (request[i] == ' ')
244 {
245 /* vlib_cli_input is vector-based, no need for a NULL */
246 _vec_len (request) = i;
247 break;
248 }
249 i++;
250 /* Should never happen */
251 if (i == vec_len (request))
252 goto bad_request;
253 }
254
255 /* Generate the html header */
256 html = format (0, html_header_template, request /* title */ );
257
258 /* Run the command */
259 unformat_init_vector (&input, request);
260 vlib_cli_input (vm, &input, http_cli_output, (uword) & reply);
261 unformat_free (&input);
262 request = 0;
263
264 /* Generate the html page */
265 html = format (html, "%v", reply);
266 html = format (html, html_footer);
267 /* And the http reply */
268 http = format (0, http_response, vec_len (html), html);
269
270 /* Send it */
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]271 send_data (s, http);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]272
273out:
274 /* Cleanup */
275 vec_free (request);
276 vec_free (reply);
277 vec_free (html);
278 vec_free (http);
279
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]280 free_http_process (args);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]281 return (0);
282}
283
284static void
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]285alloc_http_process (builtin_http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]286{
287 char *name;
288 vlib_node_t *n;
289 http_server_main_t *hsm = &http_server_main;
290 vlib_main_t *vm = hsm->vlib_main;
291 uword l = vec_len (hsm->free_http_cli_process_node_indices);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]292 builtin_http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]293
294 if (vec_len (hsm->free_http_cli_process_node_indices) > 0)
295 {
296 n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]297 vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]298 _vec_len (hsm->free_http_cli_process_node_indices) = l - 1;
299 }
300 else
301 {
302 static vlib_node_registration_t r = {
303 .function = http_cli_process,
304 .type = VLIB_NODE_TYPE_PROCESS,
305 .process_log2_n_stack_bytes = 16,
306 .runtime_data_bytes = sizeof (void *),
307 };
308
309 name = (char *) format (0, "http-cli-%d", l);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]310 r.name = name;
311 vlib_register_node (vm, &r);
312 vec_free (name);
313
314 n = vlib_get_node (vm, r.index);
315 }
316
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]317 /* Save the node index in the args. It won't be zero. */
318 args->node_index = n->index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]319
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]320 /* Save the args (pointer) in the node runtime */
321 save_args = vlib_node_get_runtime_data (vm, n->index);
322 *save_args = args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]323
324 vlib_start_process (vm, n->runtime_index);
325}
326
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]327static void
328alloc_http_process_callback (void *cb_args)
329{
330 alloc_http_process ((builtin_http_server_args *) cb_args);
331}
332
333static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]334session_rx_request (stream_session_t * s)
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]335{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]336 http_server_main_t *hsm = &http_server_main;
337 svm_fifo_t *rx_fifo;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]338 u32 max_dequeue;
339 int actual_transfer;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]340
341 rx_fifo = s->server_rx_fifo;
342 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
343 svm_fifo_unset_event (rx_fifo);
344 if (PREDICT_FALSE (max_dequeue == 0))
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]345 return -1;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]346
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]347 vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
348 _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]349
350 actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]351 hsm->rx_buf[s->thread_index]);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]352 ASSERT (actual_transfer > 0);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]353 _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
354 return 0;
355}
356
357static int
358http_server_rx_callback (stream_session_t * s)
359{
360 http_server_main_t *hsm = &http_server_main;
361 builtin_http_server_args *args;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]362 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]363
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]364 rv = session_rx_request (s);
365 if (rv)
366 return rv;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]367
368 /* send the command to a new/recycled vlib process */
369 args = clib_mem_alloc (sizeof (*args));
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]370 args->data = vec_dup (hsm->rx_buf[s->thread_index]);
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]371 args->session_handle = session_handle (s);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]372
373 /* Send an RPC request via the thread-0 input node */
374 if (vlib_get_thread_index () != 0)
375 {
376 session_fifo_event_t evt;
377 evt.rpc_args.fp = alloc_http_process_callback;
378 evt.rpc_args.arg = args;
379 evt.event_type = FIFO_EVENT_RPC;
380 unix_shared_memory_queue_add
381 (session_manager_get_vpp_event_queue (0 /* main thread */ ),
382 (u8 *) & evt, 0 /* do wait for mutex */ );
383 }
384 else
385 alloc_http_process (args);
386 return 0;
387}
388
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]389static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]390http_server_rx_callback_static (stream_session_t * s)
391{
392 http_server_main_t *hsm = &http_server_main;
393 u8 *request = 0;
394 int i;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]395 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]396
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]397 rv = session_rx_request (s);
398 if (rv)
399 return rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]400
401 request = hsm->rx_buf[s->thread_index];
402 if (vec_len (request) < 7)
403 {
404 send_error (s, "400 Bad Request");
405 goto out;
406 }
407
408 for (i = 0; i < vec_len (request) - 4; i++)
409 {
410 if (request[i] == 'G' &&
411 request[i + 1] == 'E' &&
412 request[i + 2] == 'T' && request[i + 3] == ' ')
413 goto found;
414 }
415 send_error (s, "400 Bad Request");
416 goto out;
417
418found:
419
420 /* Send it */
421 send_data (s, static_http);
422
423out:
424 /* Cleanup */
425 vec_free (request);
Florin Coras156e5ca2017-11-13 12:07:38 -0800[diff] [blame]426 hsm->rx_buf[s->thread_index] = request;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]427 return 0;
428}
429
430static int
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]431builtin_session_accept_callback (stream_session_t * s)
432{
433 http_server_main_t *bsm = &http_server_main;
434
435 bsm->vpp_queue[s->thread_index] =
436 session_manager_get_vpp_event_queue (s->thread_index);
437 s->session_state = SESSION_STATE_READY;
438 bsm->byte_index = 0;
439 return 0;
440}
441
442static void
443builtin_session_disconnect_callback (stream_session_t * s)
444{
445 http_server_main_t *bsm = &http_server_main;
446 vnet_disconnect_args_t _a, *a = &_a;
447
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]448 a->handle = session_handle (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]449 a->app_index = bsm->app_index;
450 vnet_disconnect_session (a);
451}
452
453static void
454builtin_session_reset_callback (stream_session_t * s)
455{
456 clib_warning ("called.. ");
457
458 stream_session_cleanup (s);
459}
460
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]461static int
462builtin_session_connected_callback (u32 app_index, u32 api_context,
463 stream_session_t * s, u8 is_fail)
464{
465 clib_warning ("called...");
466 return -1;
467}
468
469static int
470builtin_add_segment_callback (u32 client_index,
471 const u8 * seg_name, u32 seg_size)
472{
473 clib_warning ("called...");
474 return -1;
475}
476
477static int
478builtin_redirect_connect_callback (u32 client_index, void *mp)
479{
480 clib_warning ("called...");
481 return -1;
482}
483
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]484static session_cb_vft_t builtin_session_cb_vft = {
485 .session_accept_callback = builtin_session_accept_callback,
486 .session_disconnect_callback = builtin_session_disconnect_callback,
487 .session_connected_callback = builtin_session_connected_callback,
488 .add_segment_callback = builtin_add_segment_callback,
489 .redirect_connect_callback = builtin_redirect_connect_callback,
490 .builtin_server_rx_callback = http_server_rx_callback,
491 .session_reset_callback = builtin_session_reset_callback
492};
493
494/* Abuse VPP's input queue */
495static int
496create_api_loopback (vlib_main_t * vm)
497{
498 http_server_main_t *hsm = &http_server_main;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]499 api_main_t *am = &api_main;
500 vl_shmem_hdr_t *shmem_hdr;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]501
502 shmem_hdr = am->shmem_hdr;
503 hsm->vl_input_queue = shmem_hdr->vl_input_queue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]504 hsm->my_client_index =
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]505 vl_api_memclnt_create_internal ("test_http_server", hsm->vl_input_queue);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]506 return 0;
507}
508
509static int
510server_attach ()
511{
512 http_server_main_t *hsm = &http_server_main;
513 u8 segment_name[128];
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame^]514 u64 options[APP_OPTIONS_N_OPTIONS];
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]515 vnet_app_attach_args_t _a, *a = &_a;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame^]516 u32 segment_size = 128 << 20;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]517
518 memset (a, 0, sizeof (*a));
519 memset (options, 0, sizeof (options));
520
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame^]521 if (hsm->private_segment_size)
522 segment_size = hsm->private_segment_size;
523
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]524 a->api_client_index = hsm->my_client_index;
525 a->session_cb_vft = &builtin_session_cb_vft;
526 a->options = options;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame^]527 a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
528 a->options[APP_OPTIONS_RX_FIFO_SIZE] =
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]529 hsm->fifo_size ? hsm->fifo_size : 8 << 10;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame^]530 a->options[APP_OPTIONS_TX_FIFO_SIZE] =
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]531 hsm->fifo_size ? hsm->fifo_size : 32 << 10;
Florin Coras7999e832017-10-31 01:51:04 -0700[diff] [blame]532 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]533 a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]534 a->segment_name = segment_name;
535 a->segment_name_length = ARRAY_LEN (segment_name);
536
537 if (vnet_application_attach (a))
538 {
539 clib_warning ("failed to attach server");
540 return -1;
541 }
542 hsm->app_index = a->app_index;
543 return 0;
544}
545
546static int
547server_listen ()
548{
549 http_server_main_t *hsm = &http_server_main;
550 vnet_bind_args_t _a, *a = &_a;
551 memset (a, 0, sizeof (*a));
552 a->app_index = hsm->app_index;
553 a->uri = "tcp://0.0.0.0/80";
554 return vnet_bind_uri (a);
555}
556
557static int
558server_create (vlib_main_t * vm)
559{
560 http_server_main_t *hsm = &http_server_main;
561 u32 num_threads;
562 vlib_thread_main_t *vtm = vlib_get_thread_main ();
563
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]564 ASSERT (hsm->my_client_index == (u32) ~ 0);
565 if (create_api_loopback (vm))
566 return -1;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]567
568 num_threads = 1 /* main thread */ + vtm->n_threads;
569 vec_validate (http_server_main.vpp_queue, num_threads - 1);
570
571 if (server_attach ())
572 {
573 clib_warning ("failed to attach server");
574 return -1;
575 }
576 if (server_listen ())
577 {
578 clib_warning ("failed to start listening");
579 return -1;
580 }
581 return 0;
582}
583
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]584static clib_error_t *
585server_create_command_fn (vlib_main_t * vm,
586 unformat_input_t * input, vlib_cli_command_t * cmd)
587{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]588 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]589 int rv, is_static = 0;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]590 u64 seg_size;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]591 u8 *html;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]592
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]593 hsm->prealloc_fifos = 0;
594 hsm->private_segment_size = 0;
595 hsm->fifo_size = 0;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]596 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
597 {
598 if (unformat (input, "static"))
599 is_static = 1;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]600 else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos))
601 ;
602 else if (unformat (input, "private-segment-size %U",
603 unformat_memory_size, &seg_size))
604 {
605 if (seg_size >= 0x100000000ULL)
606 {
607 vlib_cli_output (vm, "private segment size %llu, too large",
608 seg_size);
609 return 0;
610 }
611 hsm->private_segment_size = seg_size;
612 }
613 else if (unformat (input, "fifo-size %d", &hsm->fifo_size))
614 hsm->fifo_size <<= 10;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]615 else
616 return clib_error_return (0, "unknown input `%U'",
617 format_unformat_error, input);
618 }
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]619 if (hsm->my_client_index != (u32) ~ 0)
620 return clib_error_return (0, "test http server is already running");
621
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]622 vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]623
624 if (is_static)
625 {
626 builtin_session_cb_vft.builtin_server_rx_callback =
627 http_server_rx_callback_static;
628 html = format (0, html_header_static);
629 static_http = format (0, http_response, vec_len (html), html);
630 }
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]631 rv = server_create (vm);
632 switch (rv)
633 {
634 case 0:
635 break;
636 default:
637 return clib_error_return (0, "server_create returned %d", rv);
638 }
639 return 0;
640}
641
642/* *INDENT-OFF* */
643VLIB_CLI_COMMAND (server_create_command, static) =
644{
645 .path = "test http server",
646 .short_help = "test http server",
647 .function = server_create_command_fn,
648};
649/* *INDENT-ON* */
650
651static clib_error_t *
652builtin_http_server_main_init (vlib_main_t * vm)
653{
654 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]655 vlib_thread_main_t *vtm = vlib_get_thread_main ();
656 u32 num_threads;
657
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]658 hsm->my_client_index = ~0;
659 hsm->vlib_main = vm;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]660 num_threads = 1 /* main thread */ + vtm->n_threads;
661 vec_validate (hsm->rx_buf, num_threads - 1);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]662 return 0;
663}
664
665VLIB_INIT_FUNCTION (builtin_http_server_main_init);
666
667/*
668* fd.io coding-style-patch-verification: ON
669*
670* Local Variables:
671* eval: (c-set-style "gnu")
672* End:
673*/