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gerrit.nordix.org / fdio / vpp / 898cd8f83d56ece9df9f02d54170a96f7cf6d500 / . / src / vnet / session-apps / http_server.c
blob: 9ad1297b9019274873a9e5010459b5f98414025e [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;
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]30} http_server_args;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]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;
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]56 u8 *uri;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]57 vlib_main_t *vlib_main;
58} http_server_main_t;
59
60http_server_main_t http_server_main;
61
62static void
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]63free_http_process (http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]64{
65 vlib_node_runtime_t *rt;
66 vlib_main_t *vm = &vlib_global_main;
67 http_server_main_t *hsm = &http_server_main;
68 vlib_node_t *n;
69 u32 node_index;
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]70 http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]71
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]72 node_index = args->node_index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]73 ASSERT (node_index != 0);
74
75 n = vlib_get_node (vm, node_index);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]76 rt = vlib_node_get_runtime (vm, n->index);
77 save_args = vlib_node_get_runtime_data (vm, n->index);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]78
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]79 /* Reset process session pointer */
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]80 clib_mem_free (*save_args);
81 *save_args = 0;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]82
83 /* Turn off the process node */
84 vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
85
86 /* add node index to the freelist */
87 vec_add1 (hsm->free_http_cli_process_node_indices, node_index);
88}
89
Florin Coras898cd8f2018-06-08 02:02:13 -0700[diff] [blame^]90/* *INDENT-OFF* */
91static const char *http_response =
92 "HTTP/1.1 200 OK\r\n"
93 "Content-Type: text/html\r\n"
94 "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
95 "Connection: keep-alive \r\n"
96 "Pragma: no-cache\r\n"
97 "Content-Length: %d\r\n\r\n%s";
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]98
Florin Coras898cd8f2018-06-08 02:02:13 -0700[diff] [blame^]99static const char *http_error_template =
100 "HTTP/1.1 %s\r\n"
101 "Content-Type: text/html\r\n"
102 "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
103 "Connection: close\r\n"
104 "Pragma: no-cache\r\n"
105 "Content-Length: 0\r\n\r\n";
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]106
107/* Header, including incantation to suppress favicon.ico requests */
Florin Coras898cd8f2018-06-08 02:02:13 -0700[diff] [blame^]108static const char *html_header_template =
109 "<html><head><title>%v</title></head>"
110 "<link rel=\"icon\" href=\"data:,\">"
111 "<body><pre>";
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]112
Florin Coras898cd8f2018-06-08 02:02:13 -0700[diff] [blame^]113static const char *html_footer =
114 "</pre></body></html>\r\n";
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]115
Florin Coras898cd8f2018-06-08 02:02:13 -0700[diff] [blame^]116static const char *html_header_static =
117 "<html><head><title>static reply</title></head>"
118 "<link rel=\"icon\" href=\"data:,\">"
119 "<body><pre>hello</pre></body></html>\r\n";
120/* *INDENT-ON* */
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]121
122static u8 *static_http;
123
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]124static void
125http_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
126{
127 u8 **output_vecp = (u8 **) arg;
128 u8 *output_vec;
129 u32 offset;
130
131 output_vec = *output_vecp;
132
133 offset = vec_len (output_vec);
134 vec_validate (output_vec, offset + buffer_bytes - 1);
135 clib_memcpy (output_vec + offset, buffer, buffer_bytes);
136
137 *output_vecp = output_vec;
138}
139
140void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]141send_data (stream_session_t * s, u8 * data)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]142{
143 session_fifo_event_t evt;
144 u32 offset, bytes_to_send;
145 f64 delay = 10e-3;
146 http_server_main_t *hsm = &http_server_main;
147 vlib_main_t *vm = hsm->vlib_main;
148 f64 last_sent_timer = vlib_time_now (vm);
149
150 bytes_to_send = vec_len (data);
151 offset = 0;
152
153 while (bytes_to_send > 0)
154 {
155 int actual_transfer;
156
157 actual_transfer = svm_fifo_enqueue_nowait
158 (s->server_tx_fifo, bytes_to_send, data + offset);
159
160 /* Made any progress? */
161 if (actual_transfer <= 0)
162 {
163 vlib_process_suspend (vm, delay);
164 /* 10s deadman timer */
165 if (vlib_time_now (vm) > last_sent_timer + 10.0)
166 {
167 /* $$$$ FC: reset transport session here? */
168 break;
169 }
170 /* Exponential backoff, within reason */
171 if (delay < 1.0)
172 delay = delay * 2.0;
173 }
174 else
175 {
176 last_sent_timer = vlib_time_now (vm);
177 offset += actual_transfer;
178 bytes_to_send -= actual_transfer;
179
180 if (svm_fifo_set_event (s->server_tx_fifo))
181 {
182 /* Fabricate TX event, send to vpp */
183 evt.fifo = s->server_tx_fifo;
184 evt.event_type = FIFO_EVENT_APP_TX;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]185
Florin Corase86a8ed2018-01-05 03:20:25 -0800[diff] [blame]186 svm_queue_add (hsm->vpp_queue[s->thread_index],
187 (u8 *) & evt, 0 /* do wait for mutex */ );
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]188 }
189 delay = 10e-3;
190 }
191 }
192}
193
194static void
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]195send_error (stream_session_t * s, char *str)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]196{
197 u8 *data;
198
199 data = format (0, http_error_template, str);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]200 send_data (s, data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]201 vec_free (data);
202}
203
204static uword
205http_cli_process (vlib_main_t * vm,
206 vlib_node_runtime_t * rt, vlib_frame_t * f)
207{
208 http_server_main_t *hsm = &http_server_main;
209 u8 *request = 0, *reply = 0;
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]210 http_server_args **save_args;
211 http_server_args *args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]212 stream_session_t *s;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]213 unformat_input_t input;
214 int i;
215 u8 *http = 0, *html = 0;
216
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]217 save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
218 args = *save_args;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]219 s = session_get_from_handle (args->session_handle);
220 ASSERT (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]221
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]222 request = (u8 *) (void *) (args->data);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]223 if (vec_len (request) < 7)
224 {
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]225 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]226 goto out;
227 }
228
229 for (i = 0; i < vec_len (request) - 4; i++)
230 {
231 if (request[i] == 'G' &&
232 request[i + 1] == 'E' &&
233 request[i + 2] == 'T' && request[i + 3] == ' ')
234 goto found;
235 }
236bad_request:
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]237 send_error (s, "400 Bad Request");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]238 goto out;
239
240found:
241 /* Lose "GET " */
242 vec_delete (request, i + 5, 0);
243
244 /* Replace slashes with spaces, stop at the end of the path */
245 i = 0;
246 while (1)
247 {
248 if (request[i] == '/')
249 request[i] = ' ';
250 else if (request[i] == ' ')
251 {
252 /* vlib_cli_input is vector-based, no need for a NULL */
253 _vec_len (request) = i;
254 break;
255 }
256 i++;
257 /* Should never happen */
258 if (i == vec_len (request))
259 goto bad_request;
260 }
261
262 /* Generate the html header */
263 html = format (0, html_header_template, request /* title */ );
264
265 /* Run the command */
266 unformat_init_vector (&input, request);
267 vlib_cli_input (vm, &input, http_cli_output, (uword) & reply);
268 unformat_free (&input);
269 request = 0;
270
271 /* Generate the html page */
272 html = format (html, "%v", reply);
273 html = format (html, html_footer);
274 /* And the http reply */
275 http = format (0, http_response, vec_len (html), html);
276
277 /* Send it */
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]278 send_data (s, http);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]279
280out:
281 /* Cleanup */
282 vec_free (request);
283 vec_free (reply);
284 vec_free (html);
285 vec_free (http);
286
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]287 free_http_process (args);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]288 return (0);
289}
290
291static void
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]292alloc_http_process (http_server_args * args)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]293{
294 char *name;
295 vlib_node_t *n;
296 http_server_main_t *hsm = &http_server_main;
297 vlib_main_t *vm = hsm->vlib_main;
298 uword l = vec_len (hsm->free_http_cli_process_node_indices);
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]299 http_server_args **save_args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]300
301 if (vec_len (hsm->free_http_cli_process_node_indices) > 0)
302 {
303 n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]304 vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]305 _vec_len (hsm->free_http_cli_process_node_indices) = l - 1;
306 }
307 else
308 {
309 static vlib_node_registration_t r = {
310 .function = http_cli_process,
311 .type = VLIB_NODE_TYPE_PROCESS,
312 .process_log2_n_stack_bytes = 16,
313 .runtime_data_bytes = sizeof (void *),
314 };
315
316 name = (char *) format (0, "http-cli-%d", l);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]317 r.name = name;
318 vlib_register_node (vm, &r);
319 vec_free (name);
320
321 n = vlib_get_node (vm, r.index);
322 }
323
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]324 /* Save the node index in the args. It won't be zero. */
325 args->node_index = n->index;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]326
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]327 /* Save the args (pointer) in the node runtime */
328 save_args = vlib_node_get_runtime_data (vm, n->index);
329 *save_args = args;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]330
331 vlib_start_process (vm, n->runtime_index);
332}
333
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]334static void
335alloc_http_process_callback (void *cb_args)
336{
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]337 alloc_http_process ((http_server_args *) cb_args);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]338}
339
340static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]341session_rx_request (stream_session_t * s)
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]342{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]343 http_server_main_t *hsm = &http_server_main;
344 svm_fifo_t *rx_fifo;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]345 u32 max_dequeue;
346 int actual_transfer;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]347
348 rx_fifo = s->server_rx_fifo;
349 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
350 svm_fifo_unset_event (rx_fifo);
351 if (PREDICT_FALSE (max_dequeue == 0))
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]352 return -1;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]353
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]354 vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
355 _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]356
357 actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]358 hsm->rx_buf[s->thread_index]);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]359 ASSERT (actual_transfer > 0);
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]360 _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
361 return 0;
362}
363
364static int
365http_server_rx_callback (stream_session_t * s)
366{
367 http_server_main_t *hsm = &http_server_main;
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]368 http_server_args *args;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]369 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]370
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]371 rv = session_rx_request (s);
372 if (rv)
373 return rv;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]374
375 /* send the command to a new/recycled vlib process */
376 args = clib_mem_alloc (sizeof (*args));
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]377 args->data = vec_dup (hsm->rx_buf[s->thread_index]);
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]378 args->session_handle = session_handle (s);
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]379
380 /* Send an RPC request via the thread-0 input node */
381 if (vlib_get_thread_index () != 0)
382 {
383 session_fifo_event_t evt;
384 evt.rpc_args.fp = alloc_http_process_callback;
385 evt.rpc_args.arg = args;
386 evt.event_type = FIFO_EVENT_RPC;
Florin Corase86a8ed2018-01-05 03:20:25 -0800[diff] [blame]387 svm_queue_add
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]388 (session_manager_get_vpp_event_queue (0 /* main thread */ ),
389 (u8 *) & evt, 0 /* do wait for mutex */ );
390 }
391 else
392 alloc_http_process (args);
393 return 0;
394}
395
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]396static int
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]397http_server_rx_callback_static (stream_session_t * s)
398{
399 http_server_main_t *hsm = &http_server_main;
400 u8 *request = 0;
401 int i;
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]402 int rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]403
JingLiuZTE7cafe762017-11-08 15:01:27 +0800[diff] [blame]404 rv = session_rx_request (s);
405 if (rv)
406 return rv;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]407
408 request = hsm->rx_buf[s->thread_index];
409 if (vec_len (request) < 7)
410 {
411 send_error (s, "400 Bad Request");
412 goto out;
413 }
414
415 for (i = 0; i < vec_len (request) - 4; i++)
416 {
417 if (request[i] == 'G' &&
418 request[i + 1] == 'E' &&
419 request[i + 2] == 'T' && request[i + 3] == ' ')
420 goto found;
421 }
422 send_error (s, "400 Bad Request");
423 goto out;
424
425found:
426
427 /* Send it */
428 send_data (s, static_http);
429
430out:
431 /* Cleanup */
432 vec_free (request);
Florin Coras156e5ca2017-11-13 12:07:38 -0800[diff] [blame]433 hsm->rx_buf[s->thread_index] = request;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]434 return 0;
435}
436
437static int
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]438http_server_session_accept_callback (stream_session_t * s)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]439{
440 http_server_main_t *bsm = &http_server_main;
441
442 bsm->vpp_queue[s->thread_index] =
443 session_manager_get_vpp_event_queue (s->thread_index);
444 s->session_state = SESSION_STATE_READY;
445 bsm->byte_index = 0;
446 return 0;
447}
448
449static void
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]450http_server_session_disconnect_callback (stream_session_t * s)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]451{
452 http_server_main_t *bsm = &http_server_main;
453 vnet_disconnect_args_t _a, *a = &_a;
454
Florin Coras3cbc04b2017-10-02 00:18:51 -0700[diff] [blame]455 a->handle = session_handle (s);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]456 a->app_index = bsm->app_index;
457 vnet_disconnect_session (a);
458}
459
460static void
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]461http_server_session_reset_callback (stream_session_t * s)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]462{
463 clib_warning ("called.. ");
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]464 stream_session_cleanup (s);
465}
466
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]467static int
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]468http_server_session_connected_callback (u32 app_index, u32 api_context,
469 stream_session_t * s, u8 is_fail)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]470{
471 clib_warning ("called...");
472 return -1;
473}
474
475static int
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]476http_server_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]477{
478 clib_warning ("called...");
479 return -1;
480}
481
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]482static session_cb_vft_t http_server_session_cb_vft = {
483 .session_accept_callback = http_server_session_accept_callback,
484 .session_disconnect_callback = http_server_session_disconnect_callback,
485 .session_connected_callback = http_server_session_connected_callback,
486 .add_segment_callback = http_server_add_segment_callback,
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]487 .builtin_app_rx_callback = http_server_rx_callback,
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]488 .session_reset_callback = http_server_session_reset_callback
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]489};
490
491/* Abuse VPP's input queue */
492static int
493create_api_loopback (vlib_main_t * vm)
494{
495 http_server_main_t *hsm = &http_server_main;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]496 api_main_t *am = &api_main;
497 vl_shmem_hdr_t *shmem_hdr;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]498
499 shmem_hdr = am->shmem_hdr;
500 hsm->vl_input_queue = shmem_hdr->vl_input_queue;
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]501 hsm->my_client_index =
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]502 vl_api_memclnt_create_internal ("http_server", hsm->vl_input_queue);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]503 return 0;
504}
505
506static int
507server_attach ()
508{
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]509 vnet_app_add_tls_cert_args_t _a_cert, *a_cert = &_a_cert;
510 vnet_app_add_tls_key_args_t _a_key, *a_key = &_a_key;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]511 http_server_main_t *hsm = &http_server_main;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]512 u64 options[APP_OPTIONS_N_OPTIONS];
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]513 vnet_app_attach_args_t _a, *a = &_a;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]514 u32 segment_size = 128 << 20;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]515
516 memset (a, 0, sizeof (*a));
517 memset (options, 0, sizeof (options));
518
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]519 if (hsm->private_segment_size)
520 segment_size = hsm->private_segment_size;
521
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]522 a->api_client_index = hsm->my_client_index;
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]523 a->session_cb_vft = &http_server_session_cb_vft;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]524 a->options = options;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]525 a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
526 a->options[APP_OPTIONS_RX_FIFO_SIZE] =
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]527 hsm->fifo_size ? hsm->fifo_size : 8 << 10;
Florin Corasff6e7692017-12-11 04:59:01 -0800[diff] [blame]528 a->options[APP_OPTIONS_TX_FIFO_SIZE] =
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]529 hsm->fifo_size ? hsm->fifo_size : 32 << 10;
Florin Coras7999e832017-10-31 01:51:04 -0700[diff] [blame]530 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]531 a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]532
533 if (vnet_application_attach (a))
534 {
535 clib_warning ("failed to attach server");
536 return -1;
537 }
538 hsm->app_index = a->app_index;
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]539
540 memset (a_cert, 0, sizeof (*a_cert));
541 a_cert->app_index = a->app_index;
542 vec_validate (a_cert->cert, test_srv_crt_rsa_len);
543 clib_memcpy (a_cert->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
544 vnet_app_add_tls_cert (a_cert);
545
546 memset (a_key, 0, sizeof (*a_key));
547 a_key->app_index = a->app_index;
548 vec_validate (a_key->key, test_srv_key_rsa_len);
549 clib_memcpy (a_key->key, test_srv_key_rsa, test_srv_key_rsa_len);
550 vnet_app_add_tls_key (a_key);
551
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]552 return 0;
553}
554
555static int
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]556http_server_listen ()
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]557{
558 http_server_main_t *hsm = &http_server_main;
559 vnet_bind_args_t _a, *a = &_a;
560 memset (a, 0, sizeof (*a));
561 a->app_index = hsm->app_index;
562 a->uri = "tcp://0.0.0.0/80";
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]563 if (hsm->uri)
564 a->uri = (char *) hsm->uri;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]565 return vnet_bind_uri (a);
566}
567
568static int
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]569http_server_create (vlib_main_t * vm)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]570{
571 http_server_main_t *hsm = &http_server_main;
572 u32 num_threads;
573 vlib_thread_main_t *vtm = vlib_get_thread_main ();
574
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]575 ASSERT (hsm->my_client_index == (u32) ~ 0);
576 if (create_api_loopback (vm))
577 return -1;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]578
579 num_threads = 1 /* main thread */ + vtm->n_threads;
580 vec_validate (http_server_main.vpp_queue, num_threads - 1);
581
582 if (server_attach ())
583 {
584 clib_warning ("failed to attach server");
585 return -1;
586 }
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]587 if (http_server_listen ())
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]588 {
589 clib_warning ("failed to start listening");
590 return -1;
591 }
592 return 0;
593}
594
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]595static clib_error_t *
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]596http_server_create_command_fn (vlib_main_t * vm,
597 unformat_input_t * input,
598 vlib_cli_command_t * cmd)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]599{
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]600 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]601 int rv, is_static = 0;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]602 u64 seg_size;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]603 u8 *html;
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]604
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]605 hsm->prealloc_fifos = 0;
606 hsm->private_segment_size = 0;
607 hsm->fifo_size = 0;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]608 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
609 {
610 if (unformat (input, "static"))
611 is_static = 1;
Florin Coras1d6d0852017-11-17 14:26:01 -0800[diff] [blame]612 else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos))
613 ;
614 else if (unformat (input, "private-segment-size %U",
615 unformat_memory_size, &seg_size))
616 {
617 if (seg_size >= 0x100000000ULL)
618 {
619 vlib_cli_output (vm, "private segment size %llu, too large",
620 seg_size);
621 return 0;
622 }
623 hsm->private_segment_size = seg_size;
624 }
625 else if (unformat (input, "fifo-size %d", &hsm->fifo_size))
626 hsm->fifo_size <<= 10;
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]627 else if (unformat (input, "uri %s", &hsm->uri))
628 ;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]629 else
630 return clib_error_return (0, "unknown input `%U'",
631 format_unformat_error, input);
632 }
Florin Coras0e9c33b2017-08-14 22:33:41 -0700[diff] [blame]633 if (hsm->my_client_index != (u32) ~ 0)
634 return clib_error_return (0, "test http server is already running");
635
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]636 vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]637
638 if (is_static)
639 {
Florin Coras371ca502018-02-21 12:07:41 -0800[diff] [blame]640 http_server_session_cb_vft.builtin_app_rx_callback =
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]641 http_server_rx_callback_static;
642 html = format (0, html_header_static);
643 static_http = format (0, http_response, vec_len (html), html);
644 }
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]645 rv = http_server_create (vm);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]646 switch (rv)
647 {
648 case 0:
649 break;
650 default:
651 return clib_error_return (0, "server_create returned %d", rv);
652 }
653 return 0;
654}
655
656/* *INDENT-OFF* */
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]657VLIB_CLI_COMMAND (http_server_create_command, static) =
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]658{
659 .path = "test http server",
660 .short_help = "test http server",
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]661 .function = http_server_create_command_fn,
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]662};
663/* *INDENT-ON* */
664
665static clib_error_t *
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]666http_server_main_init (vlib_main_t * vm)
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]667{
668 http_server_main_t *hsm = &http_server_main;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]669 vlib_thread_main_t *vtm = vlib_get_thread_main ();
670 u32 num_threads;
671
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]672 hsm->my_client_index = ~0;
673 hsm->vlib_main = vm;
Florin Coras149d62f2017-11-01 15:05:49 -0700[diff] [blame]674 num_threads = 1 /* main thread */ + vtm->n_threads;
675 vec_validate (hsm->rx_buf, num_threads - 1);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]676 return 0;
677}
678
Florin Coras4399c2e2018-01-25 06:34:42 -0800[diff] [blame]679VLIB_INIT_FUNCTION (http_server_main_init);
Dave Barach1015a1e2017-05-08 19:15:03 -0400[diff] [blame]680
681/*
682* fd.io coding-style-patch-verification: ON
683*
684* Local Variables:
685* eval: (c-set-style "gnu")
686* End:
687*/