diff options
Diffstat (limited to 'src/peerinfo')
-rw-r--r-- | src/peerinfo/Makefile.am | 20 | ||||
-rw-r--r-- | src/peerinfo/plugin_rest_peerinfo.c | 820 |
2 files changed, 0 insertions, 840 deletions
diff --git a/src/peerinfo/Makefile.am b/src/peerinfo/Makefile.am index 5e96250b1..3f68becb5 100644 --- a/src/peerinfo/Makefile.am +++ b/src/peerinfo/Makefile.am | |||
@@ -27,8 +27,6 @@ libgnunetpeerinfo_la_SOURCES = \ | |||
27 | libgnunetpeerinfo_la_LIBADD = \ | 27 | libgnunetpeerinfo_la_LIBADD = \ |
28 | $(top_builddir)/src/hello/libgnunethello.la \ | 28 | $(top_builddir)/src/hello/libgnunethello.la \ |
29 | $(top_builddir)/src/util/libgnunetutil.la \ | 29 | $(top_builddir)/src/util/libgnunetutil.la \ |
30 | $(top_builddir)/src/json/libgnunetjson.la \ | ||
31 | $(top_builddir)/src/transport/libgnunettransport.la \ | ||
32 | $(XLIB) \ | 30 | $(XLIB) \ |
33 | $(LTLIBINTL) | 31 | $(LTLIBINTL) |
34 | libgnunetpeerinfo_la_LDFLAGS = \ | 32 | libgnunetpeerinfo_la_LDFLAGS = \ |
@@ -39,13 +37,6 @@ libgnunetpeerinfo_la_LDFLAGS = \ | |||
39 | libexec_PROGRAMS = \ | 37 | libexec_PROGRAMS = \ |
40 | gnunet-service-peerinfo | 38 | gnunet-service-peerinfo |
41 | 39 | ||
42 | if HAVE_MHD | ||
43 | if HAVE_JSON | ||
44 | plugin_LTLIBRARIES = \ | ||
45 | libgnunet_plugin_rest_peerinfo.la | ||
46 | endif | ||
47 | endif | ||
48 | |||
49 | gnunet_service_peerinfo_SOURCES = \ | 40 | gnunet_service_peerinfo_SOURCES = \ |
50 | gnunet-service-peerinfo.c | 41 | gnunet-service-peerinfo.c |
51 | gnunet_service_peerinfo_LDADD = \ | 42 | gnunet_service_peerinfo_LDADD = \ |
@@ -53,17 +44,6 @@ gnunet_service_peerinfo_LDADD = \ | |||
53 | $(top_builddir)/src/statistics/libgnunetstatistics.la \ | 44 | $(top_builddir)/src/statistics/libgnunetstatistics.la \ |
54 | $(top_builddir)/src/util/libgnunetutil.la | 45 | $(top_builddir)/src/util/libgnunetutil.la |
55 | 46 | ||
56 | |||
57 | libgnunet_plugin_rest_peerinfo_la_SOURCES = \ | ||
58 | plugin_rest_peerinfo.c | ||
59 | libgnunet_plugin_rest_peerinfo_la_LIBADD = \ | ||
60 | libgnunetpeerinfo.la \ | ||
61 | $(top_builddir)/src/rest/libgnunetrest.la \ | ||
62 | $(top_builddir)/src/util/libgnunetutil.la $(XLIBS) \ | ||
63 | $(LTLIBINTL) -ljansson -lmicrohttpd | ||
64 | libgnunet_plugin_rest_peerinfo_la_LDFLAGS = \ | ||
65 | $(GN_PLUGIN_LDFLAGS) | ||
66 | |||
67 | if HAVE_BENCHMARKS | 47 | if HAVE_BENCHMARKS |
68 | PEERINFO_BENCHMARKS = \ | 48 | PEERINFO_BENCHMARKS = \ |
69 | perf_peerinfo_api | 49 | perf_peerinfo_api |
diff --git a/src/peerinfo/plugin_rest_peerinfo.c b/src/peerinfo/plugin_rest_peerinfo.c deleted file mode 100644 index 29b40088d..000000000 --- a/src/peerinfo/plugin_rest_peerinfo.c +++ /dev/null | |||
@@ -1,820 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2012-2015 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | /** | ||
19 | * @author Martin Schanzenbach | ||
20 | * @author Philippe Buschmann | ||
21 | * @file peerinfo/plugin_rest_peerinfo.c | ||
22 | * @brief GNUnet Peerinfo REST plugin | ||
23 | */ | ||
24 | |||
25 | #include "platform.h" | ||
26 | #include "gnunet_rest_plugin.h" | ||
27 | #include "gnunet_peerinfo_service.h" | ||
28 | #include "gnunet_transport_service.h" | ||
29 | #include "gnunet_rest_lib.h" | ||
30 | #include "gnunet_json_lib.h" | ||
31 | #include "microhttpd.h" | ||
32 | #include <jansson.h> | ||
33 | |||
34 | /** | ||
35 | * Peerinfo Namespace | ||
36 | */ | ||
37 | #define GNUNET_REST_API_NS_PEERINFO "/peerinfo" | ||
38 | |||
39 | /** | ||
40 | * Peerinfo parameter peer | ||
41 | */ | ||
42 | #define GNUNET_REST_PEERINFO_PEER "peer" | ||
43 | |||
44 | /** | ||
45 | * Peerinfo parameter friend | ||
46 | */ | ||
47 | #define GNUNET_REST_PEERINFO_FRIEND "friend" | ||
48 | |||
49 | /** | ||
50 | * Peerinfo parameter array | ||
51 | */ | ||
52 | #define GNUNET_REST_PEERINFO_ARRAY "array" | ||
53 | |||
54 | /** | ||
55 | * Error message Unknown Error | ||
56 | */ | ||
57 | #define GNUNET_REST_PEERINFO_ERROR_UNKNOWN "Unknown Error" | ||
58 | |||
59 | /** | ||
60 | * How long until we time out during address lookup? | ||
61 | */ | ||
62 | #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5) | ||
63 | /** | ||
64 | * The configuration handle | ||
65 | */ | ||
66 | const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
67 | |||
68 | /** | ||
69 | * HTTP methods allows for this plugin | ||
70 | */ | ||
71 | static char* allow_methods; | ||
72 | |||
73 | /** | ||
74 | * @brief struct returned by the initialization function of the plugin | ||
75 | */ | ||
76 | struct Plugin | ||
77 | { | ||
78 | const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
79 | }; | ||
80 | |||
81 | |||
82 | /** | ||
83 | * Record we keep for each printable address. | ||
84 | */ | ||
85 | struct AddressRecord | ||
86 | { | ||
87 | /** | ||
88 | * Current address-to-string context (if active, otherwise NULL). | ||
89 | */ | ||
90 | struct GNUNET_TRANSPORT_AddressToStringContext *atsc; | ||
91 | |||
92 | /** | ||
93 | * Address expiration time | ||
94 | */ | ||
95 | struct GNUNET_TIME_Absolute expiration; | ||
96 | |||
97 | /** | ||
98 | * Printable address. | ||
99 | */ | ||
100 | char *result; | ||
101 | |||
102 | /** | ||
103 | * Print context this address record belongs to. | ||
104 | */ | ||
105 | struct PrintContext *pc; | ||
106 | }; | ||
107 | |||
108 | |||
109 | /** | ||
110 | * Structure we use to collect printable address information. | ||
111 | */ | ||
112 | struct PrintContext | ||
113 | { | ||
114 | /** | ||
115 | * Kept in DLL. | ||
116 | */ | ||
117 | struct PrintContext *next; | ||
118 | |||
119 | /** | ||
120 | * Kept in DLL. | ||
121 | */ | ||
122 | struct PrintContext *prev; | ||
123 | |||
124 | /** | ||
125 | * Identity of the peer. | ||
126 | */ | ||
127 | struct GNUNET_PeerIdentity peer; | ||
128 | |||
129 | /** | ||
130 | * List of printable addresses. | ||
131 | */ | ||
132 | struct AddressRecord *address_list; | ||
133 | |||
134 | /** | ||
135 | * Number of completed addresses in @e address_list. | ||
136 | */ | ||
137 | unsigned int num_addresses; | ||
138 | |||
139 | /** | ||
140 | * Number of addresses allocated in @e address_list. | ||
141 | */ | ||
142 | unsigned int address_list_size; | ||
143 | |||
144 | /** | ||
145 | * Current offset in @e address_list (counted down). | ||
146 | */ | ||
147 | unsigned int off; | ||
148 | |||
149 | /** | ||
150 | * Hello was friend only, #GNUNET_YES or #GNUNET_NO | ||
151 | */ | ||
152 | int friend_only; | ||
153 | |||
154 | /** | ||
155 | * RequestHandle | ||
156 | */ | ||
157 | struct RequestHandle *handle; | ||
158 | |||
159 | }; | ||
160 | |||
161 | /** | ||
162 | * Head of list of print contexts. | ||
163 | */ | ||
164 | static struct PrintContext *pc_head; | ||
165 | |||
166 | /** | ||
167 | * Tail of list of print contexts. | ||
168 | */ | ||
169 | static struct PrintContext *pc_tail; | ||
170 | |||
171 | /** | ||
172 | * The request handle | ||
173 | */ | ||
174 | struct RequestHandle | ||
175 | { | ||
176 | /** | ||
177 | * JSON temporary array | ||
178 | */ | ||
179 | json_t *temp_array; | ||
180 | |||
181 | /** | ||
182 | * Expiration time string | ||
183 | */ | ||
184 | char *expiration_str; | ||
185 | |||
186 | /** | ||
187 | * Address string | ||
188 | */ | ||
189 | const char *address; | ||
190 | |||
191 | /** | ||
192 | * Iteration peer public key | ||
193 | */ | ||
194 | char *pubkey; | ||
195 | |||
196 | /** | ||
197 | * JSON response | ||
198 | */ | ||
199 | json_t *response; | ||
200 | |||
201 | /** | ||
202 | * Handle to PEERINFO it | ||
203 | */ | ||
204 | struct GNUNET_PEERINFO_IteratorContext *list_it; | ||
205 | |||
206 | /** | ||
207 | * Handle to PEERINFO | ||
208 | */ | ||
209 | struct GNUNET_PEERINFO_Handle *peerinfo_handle; | ||
210 | |||
211 | /** | ||
212 | * Rest connection | ||
213 | */ | ||
214 | struct GNUNET_REST_RequestHandle *rest_handle; | ||
215 | |||
216 | /** | ||
217 | * Desired timeout for the lookup (default is no timeout). | ||
218 | */ | ||
219 | struct GNUNET_TIME_Relative timeout; | ||
220 | |||
221 | /** | ||
222 | * ID of a task associated with the resolution process. | ||
223 | */ | ||
224 | struct GNUNET_SCHEDULER_Task *timeout_task; | ||
225 | |||
226 | /** | ||
227 | * The plugin result processor | ||
228 | */ | ||
229 | GNUNET_REST_ResultProcessor proc; | ||
230 | |||
231 | /** | ||
232 | * The closure of the result processor | ||
233 | */ | ||
234 | void *proc_cls; | ||
235 | |||
236 | /** | ||
237 | * The url | ||
238 | */ | ||
239 | char *url; | ||
240 | |||
241 | /** | ||
242 | * Error response message | ||
243 | */ | ||
244 | char *emsg; | ||
245 | |||
246 | /** | ||
247 | * Reponse code | ||
248 | */ | ||
249 | int response_code; | ||
250 | |||
251 | }; | ||
252 | |||
253 | |||
254 | /** | ||
255 | * Cleanup lookup handle | ||
256 | * @param handle Handle to clean up | ||
257 | */ | ||
258 | static void | ||
259 | cleanup_handle (void *cls) | ||
260 | { | ||
261 | struct RequestHandle *handle = cls; | ||
262 | |||
263 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
264 | "Cleaning up\n"); | ||
265 | if (NULL != handle->timeout_task) | ||
266 | { | ||
267 | GNUNET_SCHEDULER_cancel (handle->timeout_task); | ||
268 | handle->timeout_task = NULL; | ||
269 | } | ||
270 | if (NULL != handle->url) | ||
271 | GNUNET_free (handle->url); | ||
272 | if (NULL != handle->emsg) | ||
273 | GNUNET_free (handle->emsg); | ||
274 | if (NULL != handle->address) | ||
275 | GNUNET_free ((char*)handle->address); | ||
276 | if (NULL != handle->expiration_str) | ||
277 | GNUNET_free (handle->expiration_str); | ||
278 | if (NULL != handle->pubkey) | ||
279 | GNUNET_free (handle->pubkey); | ||
280 | |||
281 | if (NULL != handle->temp_array) | ||
282 | { | ||
283 | json_decref(handle->temp_array); | ||
284 | handle->temp_array = NULL; | ||
285 | } | ||
286 | if (NULL != handle->response) | ||
287 | { | ||
288 | json_decref(handle->response); | ||
289 | handle->response = NULL; | ||
290 | } | ||
291 | |||
292 | if (NULL != handle->list_it) | ||
293 | { | ||
294 | GNUNET_PEERINFO_iterate_cancel(handle->list_it); | ||
295 | handle->list_it = NULL; | ||
296 | } | ||
297 | if (NULL != handle->peerinfo_handle) | ||
298 | { | ||
299 | GNUNET_PEERINFO_disconnect(handle->peerinfo_handle); | ||
300 | handle->peerinfo_handle = NULL; | ||
301 | } | ||
302 | |||
303 | GNUNET_free (handle); | ||
304 | } | ||
305 | |||
306 | |||
307 | /** | ||
308 | * Task run on errors. Reports an error and cleans up everything. | ||
309 | * | ||
310 | * @param cls the `struct RequestHandle` | ||
311 | */ | ||
312 | static void | ||
313 | do_error (void *cls) | ||
314 | { | ||
315 | struct RequestHandle *handle = cls; | ||
316 | struct MHD_Response *resp; | ||
317 | json_t *json_error = json_object(); | ||
318 | char *response; | ||
319 | |||
320 | if (NULL == handle->emsg) | ||
321 | handle->emsg = GNUNET_strdup(GNUNET_REST_PEERINFO_ERROR_UNKNOWN); | ||
322 | |||
323 | json_object_set_new(json_error,"error", json_string(handle->emsg)); | ||
324 | |||
325 | if (0 == handle->response_code) | ||
326 | handle->response_code = MHD_HTTP_OK; | ||
327 | response = json_dumps (json_error, 0); | ||
328 | resp = GNUNET_REST_create_response (response); | ||
329 | handle->proc (handle->proc_cls, resp, handle->response_code); | ||
330 | json_decref(json_error); | ||
331 | GNUNET_free(response); | ||
332 | GNUNET_SCHEDULER_add_now (&cleanup_handle, handle); | ||
333 | } | ||
334 | |||
335 | |||
336 | /** | ||
337 | * Function that assembles the response. | ||
338 | * | ||
339 | * @param cls the `struct RequestHandle` | ||
340 | */ | ||
341 | static void | ||
342 | peerinfo_list_finished (void *cls) | ||
343 | { | ||
344 | struct RequestHandle *handle = cls; | ||
345 | char *result_str; | ||
346 | struct MHD_Response *resp; | ||
347 | |||
348 | if (NULL == handle->response) | ||
349 | { | ||
350 | handle->response_code = MHD_HTTP_NOT_FOUND; | ||
351 | handle->emsg = GNUNET_strdup ("No peers found"); | ||
352 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
353 | return; | ||
354 | } | ||
355 | |||
356 | result_str = json_dumps (handle->response, 0); | ||
357 | GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str); | ||
358 | resp = GNUNET_REST_create_response (result_str); | ||
359 | handle->proc (handle->proc_cls, resp, MHD_HTTP_OK); | ||
360 | GNUNET_free_non_null (result_str); | ||
361 | GNUNET_SCHEDULER_add_now (&cleanup_handle, handle); | ||
362 | } | ||
363 | |||
364 | |||
365 | /** | ||
366 | * Iterator callback to go over all addresses and count them. | ||
367 | * | ||
368 | * @param cls `struct PrintContext *` with `off` to increment | ||
369 | * @param address the address | ||
370 | * @param expiration expiration time | ||
371 | * @return #GNUNET_OK to keep the address and continue | ||
372 | */ | ||
373 | static int | ||
374 | count_address (void *cls, | ||
375 | const struct GNUNET_HELLO_Address *address, | ||
376 | struct GNUNET_TIME_Absolute expiration) | ||
377 | { | ||
378 | struct PrintContext *pc = cls; | ||
379 | |||
380 | if (0 == GNUNET_TIME_absolute_get_remaining (expiration).rel_value_us) | ||
381 | { | ||
382 | return GNUNET_OK; /* ignore expired address */ | ||
383 | } | ||
384 | |||
385 | pc->off++; | ||
386 | return GNUNET_OK; | ||
387 | } | ||
388 | |||
389 | |||
390 | /** | ||
391 | * Print the collected address information to the console and free @a pc. | ||
392 | * | ||
393 | * @param pc printing context | ||
394 | */ | ||
395 | static void | ||
396 | dump_pc (struct PrintContext *pc) | ||
397 | { | ||
398 | struct RequestHandle *handle; | ||
399 | unsigned int i; | ||
400 | json_t *response_entry; | ||
401 | json_t *temp_array; | ||
402 | json_t *object; | ||
403 | json_t *address; | ||
404 | json_t *expires; | ||
405 | json_t *friend_and_peer_json; | ||
406 | char *friend_and_peer; | ||
407 | |||
408 | temp_array = json_array(); | ||
409 | response_entry = json_object(); | ||
410 | |||
411 | for (i = 0; i < pc->num_addresses; i++) | ||
412 | { | ||
413 | if (NULL != pc->address_list[i].result) | ||
414 | { | ||
415 | object = json_object (); | ||
416 | address = json_string(pc->address_list[i].result); | ||
417 | expires = json_string( | ||
418 | GNUNET_STRINGS_absolute_time_to_string (pc->address_list[i].expiration)); | ||
419 | json_object_set (object, "address", address); | ||
420 | json_object_set (object, "expires", expires); | ||
421 | |||
422 | json_decref(address); | ||
423 | json_decref(expires); | ||
424 | |||
425 | json_array_append(temp_array, object); | ||
426 | json_decref(object); | ||
427 | GNUNET_free (pc->address_list[i].result); | ||
428 | } | ||
429 | } | ||
430 | |||
431 | if (0 < json_array_size(temp_array)) | ||
432 | { | ||
433 | GNUNET_asprintf(&friend_and_peer, | ||
434 | "%s%s", | ||
435 | (GNUNET_YES == pc->friend_only) ? "F2F:" : "", | ||
436 | GNUNET_i2s_full (&pc->peer)); | ||
437 | friend_and_peer_json = json_string(friend_and_peer); | ||
438 | json_object_set(response_entry, | ||
439 | GNUNET_REST_PEERINFO_PEER, | ||
440 | friend_and_peer_json); | ||
441 | json_object_set(response_entry, | ||
442 | GNUNET_REST_PEERINFO_ARRAY, | ||
443 | temp_array); | ||
444 | json_array_append(pc->handle->response, response_entry); | ||
445 | json_decref(friend_and_peer_json); | ||
446 | GNUNET_free(friend_and_peer); | ||
447 | } | ||
448 | |||
449 | json_decref (temp_array); | ||
450 | json_decref(response_entry); | ||
451 | |||
452 | GNUNET_free_non_null (pc->address_list); | ||
453 | GNUNET_CONTAINER_DLL_remove (pc_head, | ||
454 | pc_tail, | ||
455 | pc); | ||
456 | handle = pc->handle; | ||
457 | GNUNET_free (pc); | ||
458 | |||
459 | if ( (NULL == pc_head) && | ||
460 | (NULL == handle->list_it) ) | ||
461 | { | ||
462 | GNUNET_SCHEDULER_add_now (&peerinfo_list_finished, handle); | ||
463 | } | ||
464 | |||
465 | } | ||
466 | |||
467 | |||
468 | /** | ||
469 | * Function to call with a human-readable format of an address | ||
470 | * | ||
471 | * @param cls closure | ||
472 | * @param address NULL on error, otherwise 0-terminated printable UTF-8 string | ||
473 | * @param res result of the address to string conversion: | ||
474 | * if #GNUNET_OK: address was valid (conversion to | ||
475 | * string might still have failed) | ||
476 | * if #GNUNET_SYSERR: address is invalid | ||
477 | */ | ||
478 | static void | ||
479 | process_resolved_address (void *cls, | ||
480 | const char *address, | ||
481 | int res) | ||
482 | { | ||
483 | struct AddressRecord *ar = cls; | ||
484 | struct PrintContext *pc = ar->pc; | ||
485 | |||
486 | if (NULL != address) | ||
487 | { | ||
488 | if (0 != strlen (address)) | ||
489 | { | ||
490 | if (NULL != ar->result) | ||
491 | GNUNET_free (ar->result); | ||
492 | ar->result = GNUNET_strdup (address); | ||
493 | } | ||
494 | return; | ||
495 | } | ||
496 | ar->atsc = NULL; | ||
497 | if (GNUNET_SYSERR == res) | ||
498 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | ||
499 | _("Failure: Cannot convert address to string for peer `%s'\n"), | ||
500 | GNUNET_i2s (&ar->pc->peer)); | ||
501 | pc->num_addresses++; | ||
502 | if (pc->num_addresses == pc->address_list_size) | ||
503 | dump_pc (ar->pc); | ||
504 | } | ||
505 | |||
506 | |||
507 | /** | ||
508 | * Iterator callback to go over all addresses. | ||
509 | * | ||
510 | * @param cls closure | ||
511 | * @param address the address | ||
512 | * @param expiration expiration time | ||
513 | * @return #GNUNET_OK to keep the address and continue | ||
514 | */ | ||
515 | static int | ||
516 | print_address (void *cls, | ||
517 | const struct GNUNET_HELLO_Address *address, | ||
518 | struct GNUNET_TIME_Absolute expiration) | ||
519 | { | ||
520 | struct PrintContext *pc = cls; | ||
521 | struct AddressRecord *ar; | ||
522 | |||
523 | if (0 == GNUNET_TIME_absolute_get_remaining (expiration).rel_value_us) | ||
524 | { | ||
525 | return GNUNET_OK; /* ignore expired address */ | ||
526 | } | ||
527 | |||
528 | GNUNET_assert (0 < pc->off); | ||
529 | ar = &pc->address_list[--pc->off]; | ||
530 | ar->pc = pc; | ||
531 | ar->expiration = expiration; | ||
532 | GNUNET_asprintf (&ar->result, | ||
533 | "%s:%u:%u", | ||
534 | address->transport_name, | ||
535 | address->address_length, | ||
536 | address->local_info); | ||
537 | ar->atsc = GNUNET_TRANSPORT_address_to_string (cfg, | ||
538 | address, | ||
539 | GNUNET_NO, | ||
540 | TIMEOUT, | ||
541 | &process_resolved_address, | ||
542 | ar); | ||
543 | return GNUNET_OK; | ||
544 | } | ||
545 | |||
546 | |||
547 | /** | ||
548 | * Callback that processes each of the known HELLOs for the | ||
549 | * iteration response construction. | ||
550 | * | ||
551 | * @param cls closure, NULL | ||
552 | * @param peer id of the peer, NULL for last call | ||
553 | * @param hello hello message for the peer (can be NULL) | ||
554 | * @param err_msg message | ||
555 | */ | ||
556 | void | ||
557 | peerinfo_list_iteration(void *cls, | ||
558 | const struct GNUNET_PeerIdentity *peer, | ||
559 | const struct GNUNET_HELLO_Message *hello, | ||
560 | const char *err_msg) | ||
561 | { | ||
562 | struct RequestHandle *handle = cls; | ||
563 | struct PrintContext *pc; | ||
564 | int friend_only; | ||
565 | |||
566 | if (NULL == handle->response) | ||
567 | { | ||
568 | handle->response = json_array(); | ||
569 | } | ||
570 | |||
571 | if (NULL == peer) | ||
572 | { | ||
573 | handle->list_it = NULL; | ||
574 | handle->emsg = GNUNET_strdup ("Error in communication with peerinfo"); | ||
575 | if (NULL != err_msg) | ||
576 | { | ||
577 | GNUNET_free(handle->emsg); | ||
578 | handle->emsg = GNUNET_strdup (err_msg); | ||
579 | handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR; | ||
580 | } | ||
581 | if (NULL == pc_head) | ||
582 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
583 | return; | ||
584 | } | ||
585 | if (NULL == hello) | ||
586 | return; | ||
587 | |||
588 | friend_only = GNUNET_NO; | ||
589 | if (NULL != hello) | ||
590 | friend_only = GNUNET_HELLO_is_friend_only (hello); | ||
591 | |||
592 | pc = GNUNET_new(struct PrintContext); | ||
593 | GNUNET_CONTAINER_DLL_insert (pc_head, | ||
594 | pc_tail, | ||
595 | pc); | ||
596 | pc->peer = *peer; | ||
597 | pc->friend_only = friend_only; | ||
598 | pc->handle = handle; | ||
599 | GNUNET_HELLO_iterate_addresses (hello, | ||
600 | GNUNET_NO, | ||
601 | &count_address, | ||
602 | pc); | ||
603 | if (0 == pc->off) | ||
604 | { | ||
605 | dump_pc (pc); | ||
606 | return; | ||
607 | } | ||
608 | pc->address_list_size = pc->off; | ||
609 | pc->address_list = GNUNET_malloc( | ||
610 | sizeof(struct AddressRecord) * pc->off); | ||
611 | GNUNET_HELLO_iterate_addresses (hello, | ||
612 | GNUNET_NO, | ||
613 | &print_address, | ||
614 | pc); | ||
615 | } | ||
616 | |||
617 | /** | ||
618 | * Handle peerinfo GET request | ||
619 | * | ||
620 | * @param con_handle the connection handle | ||
621 | * @param url the url | ||
622 | * @param cls the RequestHandle | ||
623 | */ | ||
624 | void | ||
625 | peerinfo_get (struct GNUNET_REST_RequestHandle *con_handle, | ||
626 | const char* url, | ||
627 | void *cls) | ||
628 | { | ||
629 | struct RequestHandle *handle = cls; | ||
630 | struct GNUNET_HashCode key; | ||
631 | const struct GNUNET_PeerIdentity *specific_peer; | ||
632 | //GNUNET_PEER_Id peer_id; | ||
633 | int include_friend_only; | ||
634 | char* include_friend_only_str; | ||
635 | |||
636 | include_friend_only = GNUNET_NO; | ||
637 | GNUNET_CRYPTO_hash (GNUNET_REST_PEERINFO_FRIEND, | ||
638 | strlen (GNUNET_REST_PEERINFO_FRIEND), | ||
639 | &key); | ||
640 | if ( GNUNET_YES | ||
641 | == GNUNET_CONTAINER_multihashmap_contains (con_handle->url_param_map, | ||
642 | &key)) | ||
643 | { | ||
644 | include_friend_only_str = GNUNET_CONTAINER_multihashmap_get ( | ||
645 | con_handle->url_param_map, &key); | ||
646 | if (0 == strcmp(include_friend_only_str, "yes")) | ||
647 | { | ||
648 | include_friend_only = GNUNET_YES; | ||
649 | } | ||
650 | } | ||
651 | |||
652 | specific_peer = NULL; | ||
653 | GNUNET_CRYPTO_hash (GNUNET_REST_PEERINFO_PEER, | ||
654 | strlen (GNUNET_REST_PEERINFO_PEER), | ||
655 | &key); | ||
656 | if ( GNUNET_YES | ||
657 | == GNUNET_CONTAINER_multihashmap_contains (con_handle->url_param_map, | ||
658 | &key)) | ||
659 | { | ||
660 | //peer_id = *(unsigned int*)GNUNET_CONTAINER_multihashmap_get (con_handle->url_param_map, &key); | ||
661 | //specific_peer = GNUNET_PEER_resolve2(peer_id); | ||
662 | } | ||
663 | |||
664 | handle->list_it = GNUNET_PEERINFO_iterate(handle->peerinfo_handle, | ||
665 | include_friend_only, | ||
666 | specific_peer, | ||
667 | &peerinfo_list_iteration, | ||
668 | handle); | ||
669 | } | ||
670 | |||
671 | |||
672 | |||
673 | /** | ||
674 | * Respond to OPTIONS request | ||
675 | * | ||
676 | * @param con_handle the connection handle | ||
677 | * @param url the url | ||
678 | * @param cls the RequestHandle | ||
679 | */ | ||
680 | static void | ||
681 | options_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
682 | const char* url, | ||
683 | void *cls) | ||
684 | { | ||
685 | struct MHD_Response *resp; | ||
686 | struct RequestHandle *handle = cls; | ||
687 | |||
688 | //independent of path return all options | ||
689 | resp = GNUNET_REST_create_response (NULL); | ||
690 | MHD_add_response_header (resp, | ||
691 | "Access-Control-Allow-Methods", | ||
692 | allow_methods); | ||
693 | handle->proc (handle->proc_cls, resp, MHD_HTTP_OK); | ||
694 | GNUNET_SCHEDULER_add_now (&cleanup_handle, handle); | ||
695 | return; | ||
696 | } | ||
697 | |||
698 | |||
699 | /** | ||
700 | * Handle rest request | ||
701 | * | ||
702 | * @param handle the request handle | ||
703 | */ | ||
704 | static void | ||
705 | init_cont (struct RequestHandle *handle) | ||
706 | { | ||
707 | struct GNUNET_REST_RequestHandlerError err; | ||
708 | static const struct GNUNET_REST_RequestHandler handlers[] = { | ||
709 | {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_PEERINFO, &peerinfo_get}, | ||
710 | {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_PEERINFO, &options_cont}, | ||
711 | GNUNET_REST_HANDLER_END | ||
712 | }; | ||
713 | |||
714 | if (GNUNET_NO == GNUNET_REST_handle_request (handle->rest_handle, | ||
715 | handlers, | ||
716 | &err, | ||
717 | handle)) | ||
718 | { | ||
719 | handle->response_code = err.error_code; | ||
720 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
721 | } | ||
722 | } | ||
723 | |||
724 | |||
725 | /** | ||
726 | * Function processing the REST call | ||
727 | * | ||
728 | * @param method HTTP method | ||
729 | * @param url URL of the HTTP request | ||
730 | * @param data body of the HTTP request (optional) | ||
731 | * @param data_size length of the body | ||
732 | * @param proc callback function for the result | ||
733 | * @param proc_cls closure for callback function | ||
734 | * @return GNUNET_OK if request accepted | ||
735 | */ | ||
736 | static void | ||
737 | rest_process_request(struct GNUNET_REST_RequestHandle *rest_handle, | ||
738 | GNUNET_REST_ResultProcessor proc, | ||
739 | void *proc_cls) | ||
740 | { | ||
741 | struct RequestHandle *handle = GNUNET_new (struct RequestHandle); | ||
742 | |||
743 | handle->response_code = 0; | ||
744 | handle->timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60); | ||
745 | handle->proc_cls = proc_cls; | ||
746 | handle->proc = proc; | ||
747 | handle->rest_handle = rest_handle; | ||
748 | |||
749 | handle->url = GNUNET_strdup (rest_handle->url); | ||
750 | if (handle->url[strlen (handle->url)-1] == '/') | ||
751 | handle->url[strlen (handle->url)-1] = '\0'; | ||
752 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting...\n"); | ||
753 | handle->peerinfo_handle = GNUNET_PEERINFO_connect(cfg); | ||
754 | init_cont(handle); | ||
755 | handle->timeout_task = | ||
756 | GNUNET_SCHEDULER_add_delayed (handle->timeout, | ||
757 | &do_error, | ||
758 | handle); | ||
759 | |||
760 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected\n"); | ||
761 | } | ||
762 | |||
763 | |||
764 | /** | ||
765 | * Entry point for the plugin. | ||
766 | * | ||
767 | * @param cls Config info | ||
768 | * @return NULL on error, otherwise the plugin context | ||
769 | */ | ||
770 | void * | ||
771 | libgnunet_plugin_rest_peerinfo_init (void *cls) | ||
772 | { | ||
773 | static struct Plugin plugin; | ||
774 | struct GNUNET_REST_Plugin *api; | ||
775 | |||
776 | cfg = cls; | ||
777 | if (NULL != plugin.cfg) | ||
778 | return NULL; /* can only initialize once! */ | ||
779 | memset (&plugin, 0, sizeof (struct Plugin)); | ||
780 | plugin.cfg = cfg; | ||
781 | api = GNUNET_new (struct GNUNET_REST_Plugin); | ||
782 | api->cls = &plugin; | ||
783 | api->name = GNUNET_REST_API_NS_PEERINFO; | ||
784 | api->process_request = &rest_process_request; | ||
785 | GNUNET_asprintf (&allow_methods, | ||
786 | "%s, %s, %s, %s, %s", | ||
787 | MHD_HTTP_METHOD_GET, | ||
788 | MHD_HTTP_METHOD_POST, | ||
789 | MHD_HTTP_METHOD_PUT, | ||
790 | MHD_HTTP_METHOD_DELETE, | ||
791 | MHD_HTTP_METHOD_OPTIONS); | ||
792 | |||
793 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
794 | _("Peerinfo REST API initialized\n")); | ||
795 | return api; | ||
796 | } | ||
797 | |||
798 | |||
799 | /** | ||
800 | * Exit point from the plugin. | ||
801 | * | ||
802 | * @param cls the plugin context (as returned by "init") | ||
803 | * @return always NULL | ||
804 | */ | ||
805 | void * | ||
806 | libgnunet_plugin_rest_peerinfo_done (void *cls) | ||
807 | { | ||
808 | struct GNUNET_REST_Plugin *api = cls; | ||
809 | struct Plugin *plugin = api->cls; | ||
810 | plugin->cfg = NULL; | ||
811 | |||
812 | GNUNET_free_non_null (allow_methods); | ||
813 | GNUNET_free (api); | ||
814 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
815 | "Peerinfo REST plugin is finished\n"); | ||
816 | return NULL; | ||
817 | } | ||
818 | |||
819 | /* end of plugin_rest_peerinfo.c */ | ||
820 | |||