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gerrit.nordix.org / fdio / vpp / 87233b51bc4d088ff566cef09a7c96f1f0dac078 / . / src / vnet / tcp / builtin_http_server.c
blob: 5510f8ad34c9b874030dab17609efaaabf872e11 [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;
Florin Corase86a8ed2018-01-05 03:20:25 -0800[diff] [blame]35 svm_queue_t **vpp_queue;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]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 */
Florin Corase86a8ed2018-01-05 03:20:25 -0800[diff] [blame]43 svm_queue_t *vl_input_queue;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]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
Florin Corase86a8ed2018-01-05 03:20:25 -0800[diff] [blame]178 svm_queue_add (hsm->vpp_queue[s->thread_index],
179 (u8 *) & evt, 0 /* do wait for mutex */ );
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]180 }
181 delay = 10e-3;
182 }
183 }
184}
185
186static void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]187send_error (stream_session_t * s, char *str)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]188{
189 u8 *data;
190
191 data = format (0, http_error_template, str);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]192 send_data (s, data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]193 vec_free (data);
194}
195
196static uword
197http_cli_process (vlib_main_t * vm,
198 vlib_node_runtime_t * rt, vlib_frame_t * f)
199{
200 http_server_main_t *hsm = &http_server_main;
201 u8 *request = 0, *reply = 0;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]202 builtin_http_server_args **save_args;
203 builtin_http_server_args *args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]204 stream_session_t *s;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]205 unformat_input_t input;
206 int i;
207 u8 *http = 0, *html = 0;
208
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]209 save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
210 args = *save_args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]211 s = session_get_from_handle (args->session_handle);
212 ASSERT (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]213
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]214 request = (u8 *) (void *) (args->data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]215 if (vec_len (request) < 7)
216 {
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]217 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]218 goto out;
219 }
220
221 for (i = 0; i < vec_len (request) - 4; i++)
222 {
223 if (request[i] == 'G' &&
224 request[i + 1] == 'E' &&
225 request[i + 2] == 'T' && request[i + 3] == ' ')
226 goto found;
227 }
228bad_request:
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]229 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]230 goto out;
231
232found:
233 /* Lose "GET " */
234 vec_delete (request, i + 5, 0);
235
236 /* Replace slashes with spaces, stop at the end of the path */
237 i = 0;
238 while (1)
239 {
240 if (request[i] == '/')
241 request[i] = ' ';
242 else if (request[i] == ' ')
243 {
244 /* vlib_cli_input is vector-based, no need for a NULL */
245 _vec_len (request) = i;
246 break;
247 }
248 i++;
249 /* Should never happen */
250 if (i == vec_len (request))
251 goto bad_request;
252 }
253
254 /* Generate the html header */
255 html = format (0, html_header_template, request /* title */ );
256
257 /* Run the command */
258 unformat_init_vector (&input, request);
259 vlib_cli_input (vm, &input, http_cli_output, (uword) & reply);
260 unformat_free (&input);
261 request = 0;
262
263 /* Generate the html page */
264 html = format (html, "%v", reply);
265 html = format (html, html_footer);
266 /* And the http reply */
267 http = format (0, http_response, vec_len (html), html);
268
269 /* Send it */
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]270 send_data (s, http);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]271
272out:
273 /* Cleanup */
274 vec_free (request);
275 vec_free (reply);
276 vec_free (html);
277 vec_free (http);
278
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]279 free_http_process (args);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]280 return (0);
281}
282
283static void
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]284alloc_http_process (builtin_http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]285{
286 char *name;
287 vlib_node_t *n;
288 http_server_main_t *hsm = &http_server_main;
289 vlib_main_t *vm = hsm->vlib_main;
290 uword l = vec_len (hsm->free_http_cli_process_node_indices);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]291 builtin_http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]292
293 if (vec_len (hsm->free_http_cli_process_node_indices) > 0)
294 {
295 n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]296 vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]297 _vec_len (hsm->free_http_cli_process_node_indices) = l - 1;
298 }
299 else
300 {
301 static vlib_node_registration_t r = {
302 .function = http_cli_process,
303 .type = VLIB_NODE_TYPE_PROCESS,
304 .process_log2_n_stack_bytes = 16,
305 .runtime_data_bytes = sizeof (void *),
306 };
307
308 name = (char *) format (0, "http-cli-%d", l);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]309 r.name = name;
310 vlib_register_node (vm, &r);
311 vec_free (name);
312
313 n = vlib_get_node (vm, r.index);
314 }
315
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]316 /* Save the node index in the args. It won't be zero. */
317 args->node_index = n->index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]318
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]319 /* Save the args (pointer) in the node runtime */
320 save_args = vlib_node_get_runtime_data (vm, n->index);
321 *save_args = args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]322
323 vlib_start_process (vm, n->runtime_index);
324}
325
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]326static void
327alloc_http_process_callback (void *cb_args)
328{
329 alloc_http_process ((builtin_http_server_args *) cb_args);
330}
331
332static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]333session_rx_request (stream_session_t * s)
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]334{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]335 http_server_main_t *hsm = &http_server_main;
336 svm_fifo_t *rx_fifo;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]337 u32 max_dequeue;
338 int actual_transfer;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]339
340 rx_fifo = s->server_rx_fifo;
341 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
342 svm_fifo_unset_event (rx_fifo);
343 if (PREDICT_FALSE (max_dequeue == 0))
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]344 return -1;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]345
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]346 vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
347 _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]348
349 actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]350 hsm->rx_buf[s->thread_index]);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]351 ASSERT (actual_transfer > 0);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]352 _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
353 return 0;
354}
355
356static int
357http_server_rx_callback (stream_session_t * s)
358{
359 http_server_main_t *hsm = &http_server_main;
360 builtin_http_server_args *args;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]361 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]362
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]363 rv = session_rx_request (s);
364 if (rv)
365 return rv;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]366
367 /* send the command to a new/recycled vlib process */
368 args = clib_mem_alloc (sizeof (*args));
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]369 args->data = vec_dup (hsm->rx_buf[s->thread_index]);
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]370 args->session_handle = session_handle (s);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]371
372 /* Send an RPC request via the thread-0 input node */
373 if (vlib_get_thread_index () != 0)
374 {
375 session_fifo_event_t evt;
376 evt.rpc_args.fp = alloc_http_process_callback;
377 evt.rpc_args.arg = args;
378 evt.event_type = FIFO_EVENT_RPC;
Florin Corase86a8ed2018-01-05 03:20:25 -0800[diff] [blame]379 svm_queue_add
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]380 (session_manager_get_vpp_event_queue (0 /* main thread */ ),
381 (u8 *) & evt, 0 /* do wait for mutex */ );
382 }
383 else
384 alloc_http_process (args);
385 return 0;
386}
387
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]388static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]389http_server_rx_callback_static (stream_session_t * s)
390{
391 http_server_main_t *hsm = &http_server_main;
392 u8 *request = 0;
393 int i;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]394 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]395
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]396 rv = session_rx_request (s);
397 if (rv)
398 return rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]399
400 request = hsm->rx_buf[s->thread_index];
401 if (vec_len (request) < 7)
402 {
403 send_error (s, "400 Bad Request");
404 goto out;
405 }
406
407 for (i = 0; i < vec_len (request) - 4; i++)
408 {
409 if (request[i] == 'G' &&
410 request[i + 1] == 'E' &&
411 request[i + 2] == 'T' && request[i + 3] == ' ')
412 goto found;
413 }
414 send_error (s, "400 Bad Request");
415 goto out;
416
417found:
418
419 /* Send it */
420 send_data (s, static_http);
421
422out:
423 /* Cleanup */
424 vec_free (request);
Florin Coras156e5ca2017-11-13 12:07:38 -0800[diff] [blame]425 hsm->rx_buf[s->thread_index] = request;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]426 return 0;
427}
428
429static int
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]430builtin_session_accept_callback (stream_session_t * s)
431{
432 http_server_main_t *bsm = &http_server_main;
433
434 bsm->vpp_queue[s->thread_index] =
435 session_manager_get_vpp_event_queue (s->thread_index);
436 s->session_state = SESSION_STATE_READY;
437 bsm->byte_index = 0;
438 return 0;
439}
440
441static void
442builtin_session_disconnect_callback (stream_session_t * s)
443{
444 http_server_main_t *bsm = &http_server_main;
445 vnet_disconnect_args_t _a, *a = &_a;
446
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]447 a->handle = session_handle (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]448 a->app_index = bsm->app_index;
449 vnet_disconnect_session (a);
450}
451
452static void
453builtin_session_reset_callback (stream_session_t * s)
454{
455 clib_warning ("called.. ");
456
457 stream_session_cleanup (s);
458}
459
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]460static int
461builtin_session_connected_callback (u32 app_index, u32 api_context,
462 stream_session_t * s, u8 is_fail)
463{
464 clib_warning ("called...");
465 return -1;
466}
467
468static int
Florin Corasb384b542018-01-15 01:08:33 -0800[diff] [blame]469builtin_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]470{
471 clib_warning ("called...");
472 return -1;
473}
474
475static int
476builtin_redirect_connect_callback (u32 client_index, void *mp)
477{
478 clib_warning ("called...");
479 return -1;
480}
481
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]482static session_cb_vft_t builtin_session_cb_vft = {
483 .session_accept_callback = builtin_session_accept_callback,
484 .session_disconnect_callback = builtin_session_disconnect_callback,
485 .session_connected_callback = builtin_session_connected_callback,
486 .add_segment_callback = builtin_add_segment_callback,
487 .redirect_connect_callback = builtin_redirect_connect_callback,
488 .builtin_server_rx_callback = http_server_rx_callback,
489 .session_reset_callback = builtin_session_reset_callback
490};
491
492/* Abuse VPP's input queue */
493static int
494create_api_loopback (vlib_main_t * vm)
495{
496 http_server_main_t *hsm = &http_server_main;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]497 api_main_t *am = &api_main;
498 vl_shmem_hdr_t *shmem_hdr;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]499
500 shmem_hdr = am->shmem_hdr;
501 hsm->vl_input_queue = shmem_hdr->vl_input_queue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]502 hsm->my_client_index =
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]503 vl_api_memclnt_create_internal ("test_http_server", hsm->vl_input_queue);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]504 return 0;
505}
506
507static int
508server_attach ()
509{
510 http_server_main_t *hsm = &http_server_main;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]511 u64 options[APP_OPTIONS_N_OPTIONS];
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]512 vnet_app_attach_args_t _a, *a = &_a;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]513 u32 segment_size = 128 << 20;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]514
515 memset (a, 0, sizeof (*a));
516 memset (options, 0, sizeof (options));
517
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]518 if (hsm->private_segment_size)
519 segment_size = hsm->private_segment_size;
520
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]521 a->api_client_index = hsm->my_client_index;
522 a->session_cb_vft = &builtin_session_cb_vft;
523 a->options = options;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]524 a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
525 a->options[APP_OPTIONS_RX_FIFO_SIZE] =
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]526 hsm->fifo_size ? hsm->fifo_size : 8 << 10;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]527 a->options[APP_OPTIONS_TX_FIFO_SIZE] =
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]528 hsm->fifo_size ? hsm->fifo_size : 32 << 10;
Florin Coras7999e832017-10-31 01:51:04 -0700[diff] [blame]529 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]530 a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]531
532 if (vnet_application_attach (a))
533 {
534 clib_warning ("failed to attach server");
535 return -1;
536 }
537 hsm->app_index = a->app_index;
538 return 0;
539}
540
541static int
542server_listen ()
543{
544 http_server_main_t *hsm = &http_server_main;
545 vnet_bind_args_t _a, *a = &_a;
546 memset (a, 0, sizeof (*a));
547 a->app_index = hsm->app_index;
548 a->uri = "tcp://0.0.0.0/80";
549 return vnet_bind_uri (a);
550}
551
552static int
553server_create (vlib_main_t * vm)
554{
555 http_server_main_t *hsm = &http_server_main;
556 u32 num_threads;
557 vlib_thread_main_t *vtm = vlib_get_thread_main ();
558
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]559 ASSERT (hsm->my_client_index == (u32) ~ 0);
560 if (create_api_loopback (vm))
561 return -1;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]562
563 num_threads = 1 /* main thread */ + vtm->n_threads;
564 vec_validate (http_server_main.vpp_queue, num_threads - 1);
565
566 if (server_attach ())
567 {
568 clib_warning ("failed to attach server");
569 return -1;
570 }
571 if (server_listen ())
572 {
573 clib_warning ("failed to start listening");
574 return -1;
575 }
576 return 0;
577}
578
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]579static clib_error_t *
580server_create_command_fn (vlib_main_t * vm,
581 unformat_input_t * input, vlib_cli_command_t * cmd)
582{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]583 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]584 int rv, is_static = 0;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]585 u64 seg_size;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]586 u8 *html;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]587
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]588 hsm->prealloc_fifos = 0;
589 hsm->private_segment_size = 0;
590 hsm->fifo_size = 0;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]591 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
592 {
593 if (unformat (input, "static"))
594 is_static = 1;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]595 else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos))
596 ;
597 else if (unformat (input, "private-segment-size %U",
598 unformat_memory_size, &seg_size))
599 {
600 if (seg_size >= 0x100000000ULL)
601 {
602 vlib_cli_output (vm, "private segment size %llu, too large",
603 seg_size);
604 return 0;
605 }
606 hsm->private_segment_size = seg_size;
607 }
608 else if (unformat (input, "fifo-size %d", &hsm->fifo_size))
609 hsm->fifo_size <<= 10;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]610 else
611 return clib_error_return (0, "unknown input `%U'",
612 format_unformat_error, input);
613 }
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]614 if (hsm->my_client_index != (u32) ~ 0)
615 return clib_error_return (0, "test http server is already running");
616
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]617 vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]618
619 if (is_static)
620 {
621 builtin_session_cb_vft.builtin_server_rx_callback =
622 http_server_rx_callback_static;
623 html = format (0, html_header_static);
624 static_http = format (0, http_response, vec_len (html), html);
625 }
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]626 rv = server_create (vm);
627 switch (rv)
628 {
629 case 0:
630 break;
631 default:
632 return clib_error_return (0, "server_create returned %d", rv);
633 }
634 return 0;
635}
636
637/* *INDENT-OFF* */
638VLIB_CLI_COMMAND (server_create_command, static) =
639{
640 .path = "test http server",
641 .short_help = "test http server",
642 .function = server_create_command_fn,
643};
644/* *INDENT-ON* */
645
646static clib_error_t *
647builtin_http_server_main_init (vlib_main_t * vm)
648{
649 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]650 vlib_thread_main_t *vtm = vlib_get_thread_main ();
651 u32 num_threads;
652
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]653 hsm->my_client_index = ~0;
654 hsm->vlib_main = vm;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]655 num_threads = 1 /* main thread */ + vtm->n_threads;
656 vec_validate (hsm->rx_buf, num_threads - 1);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]657 return 0;
658}
659
660VLIB_INIT_FUNCTION (builtin_http_server_main_init);
661
662/*
663* fd.io coding-style-patch-verification: ON
664*
665* Local Variables:
666* eval: (c-set-style "gnu")
667* End:
668*/