GNUnet  0.11.x
plugin_rest_peerinfo.c
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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  SPDX-License-Identifier: AGPL3.0-or-later
19  */
27 #include "platform.h"
28 #include "gnunet_rest_plugin.h"
31 #include "gnunet_rest_lib.h"
32 #include "gnunet_json_lib.h"
33 #include "microhttpd.h"
34 #include <jansson.h>
35 
39 #define GNUNET_REST_API_NS_PEERINFO "/peerinfo"
40 
44 #define GNUNET_REST_PEERINFO_PEER "peer"
45 
49 #define GNUNET_REST_PEERINFO_FRIEND "friend"
50 
54 #define GNUNET_REST_PEERINFO_ARRAY "array"
55 
59 #define GNUNET_REST_PEERINFO_ERROR_UNKNOWN "Unknown Error"
60 
64 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
65 
69 
73 static char *allow_methods;
74 
79 
83 struct Plugin
84 {
85  const struct GNUNET_CONFIGURATION_Handle *cfg;
86 };
87 
88 
92 struct AddressRecord
93 {
98 
102  struct GNUNET_TIME_Absolute expiration;
103 
107  char *result;
108 
112  struct PrintContext *pc;
113 };
114 
115 
119 struct PrintContext
120 {
124  struct PrintContext *next;
125 
129  struct PrintContext *prev;
130 
134  struct GNUNET_PeerIdentity peer;
135 
139  struct AddressRecord *address_list;
140 
144  unsigned int num_addresses;
145 
149  unsigned int address_list_size;
150 
154  unsigned int off;
155 
159  int friend_only;
160 
165 };
166 
170 static struct PrintContext *pc_head;
171 
175 static struct PrintContext *pc_tail;
176 
180 struct RequestHandle
181 {
185  struct RequestHandle *next;
186 
190  struct RequestHandle *prev;
191 
195  json_t *temp_array;
196 
201 
205  const char *address;
206 
210  char *pubkey;
211 
215  json_t *response;
216 
221 
222 
226  struct GNUNET_REST_RequestHandle *rest_handle;
227 
232 
237 
242 
246  void *proc_cls;
247 
251  char *url;
252 
256  char *emsg;
257 
261  int response_code;
262 };
263 
268 
273 
278 static void
279 cleanup_handle (void *cls)
280 {
281  struct RequestHandle *handle = cls;
282 
284  "Cleaning up\n");
285  if (NULL != handle->timeout_task)
286  {
288  handle->timeout_task = NULL;
289  }
290  if (NULL != handle->url)
291  GNUNET_free (handle->url);
292  if (NULL != handle->emsg)
293  GNUNET_free (handle->emsg);
294  if (NULL != handle->address)
295  GNUNET_free_nz ((char *) handle->address);
296  if (NULL != handle->expiration_str)
297  GNUNET_free (handle->expiration_str);
298  if (NULL != handle->pubkey)
299  GNUNET_free (handle->pubkey);
300 
301  if (NULL != handle->temp_array)
302  {
303  json_decref (handle->temp_array);
304  handle->temp_array = NULL;
305  }
306  if (NULL != handle->response)
307  {
308  json_decref (handle->response);
309  handle->response = NULL;
310  }
311 
312  if (NULL != handle->list_it)
313  {
315  handle->list_it = NULL;
316  }
317  if (NULL != peerinfo_handle)
318  {
319  GNUNET_PEERINFO_disconnect (peerinfo_handle);
320  peerinfo_handle = NULL;
321  }
322  GNUNET_CONTAINER_DLL_remove (requests_head,
323  requests_tail,
324  handle);
325  GNUNET_free (handle);
326 }
327 
328 
334 static void
335 do_error (void *cls)
336 {
337  struct RequestHandle *handle = cls;
338  struct MHD_Response *resp;
339  json_t *json_error = json_object ();
340  char *response;
341 
342  if (NULL == handle->emsg)
344 
345  json_object_set_new (json_error, "error", json_string (handle->emsg));
346 
347  if (0 == handle->response_code)
348  handle->response_code = MHD_HTTP_OK;
349  response = json_dumps (json_error, 0);
350  resp = GNUNET_REST_create_response (response);
351  MHD_add_response_header (resp, "Content-Type", "application/json");
352  handle->proc (handle->proc_cls, resp, handle->response_code);
353  json_decref (json_error);
354  GNUNET_free (response);
356 }
357 
358 
364 static void
366 {
367  struct RequestHandle *handle = cls;
368  char *result_str;
369  struct MHD_Response *resp;
370 
371  if (NULL == handle->response)
372  {
373  handle->response_code = MHD_HTTP_NOT_FOUND;
374  handle->emsg = GNUNET_strdup ("No peers found");
376  return;
377  }
378 
379  result_str = json_dumps (handle->response, 0);
380  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
381  resp = GNUNET_REST_create_response (result_str);
382  MHD_add_response_header (resp, "Content-Type", "application/json");
383  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
384  GNUNET_free (result_str);
386 }
387 
388 
397 static int
398 count_address (void *cls,
399  const struct GNUNET_HELLO_Address *address,
401 {
402  struct PrintContext *pc = cls;
403 
404  if (0 == GNUNET_TIME_absolute_get_remaining (expiration).rel_value_us)
405  {
406  return GNUNET_OK; /* ignore expired address */
407  }
408 
409  pc->off++;
410  return GNUNET_OK;
411 }
412 
413 
419 static void
421 {
422  struct RequestHandle *handle;
423  unsigned int i;
424  json_t *response_entry;
425  json_t *temp_array;
426  json_t *object;
427  json_t *address;
428  json_t *expires;
429  json_t *friend_and_peer_json;
430  char *friend_and_peer;
431 
432  temp_array = json_array ();
433  response_entry = json_object ();
434 
435  for (i = 0; i < pc->num_addresses; i++)
436  {
437  if (NULL != pc->address_list[i].result)
438  {
439  object = json_object ();
440  address = json_string (pc->address_list[i].result);
441  expires = json_string (
443  pc->address_list[i].expiration));
444  json_object_set (object, "address", address);
445  json_object_set (object, "expires", expires);
446 
447  json_decref (address);
448  json_decref (expires);
449 
450  json_array_append (temp_array, object);
451  json_decref (object);
453  }
454  }
455 
456  if (0 < json_array_size (temp_array))
457  {
458  GNUNET_asprintf (&friend_and_peer,
459  "%s%s",
460  (GNUNET_YES == pc->friend_only) ? "F2F:" : "",
461  GNUNET_i2s_full (&pc->peer));
462  friend_and_peer_json = json_string (friend_and_peer);
463  json_object_set (response_entry,
465  friend_and_peer_json);
466  json_object_set (response_entry,
468  temp_array);
469  json_array_append (pc->handle->response, response_entry);
470  json_decref (friend_and_peer_json);
471  GNUNET_free (friend_and_peer);
472  }
473 
474  json_decref (temp_array);
475  json_decref (response_entry);
476 
479  pc_tail,
480  pc);
481  handle = pc->handle;
482  GNUNET_free (pc);
483 
484  if ((NULL == pc_head) &&
485  (NULL == handle->list_it))
486  {
488  }
489 }
490 
491 
502 static void
504  const char *address,
505  int res)
506 {
507  struct AddressRecord *ar = cls;
508  struct PrintContext *pc = ar->pc;
509 
510  if (NULL != address)
511  {
512  if (0 != strlen (address))
513  {
514  if (NULL != ar->result)
515  GNUNET_free (ar->result);
516  ar->result = GNUNET_strdup (address);
517  }
518  return;
519  }
520  ar->atsc = NULL;
521  if (GNUNET_SYSERR == res)
523  _ ("Failure: Cannot convert address to string for peer `%s'\n"),
524  GNUNET_i2s (&ar->pc->peer));
525  pc->num_addresses++;
526  if (pc->num_addresses == pc->address_list_size)
527  dump_pc (ar->pc);
528 }
529 
530 
539 static int
540 print_address (void *cls,
541  const struct GNUNET_HELLO_Address *address,
543 {
544  struct PrintContext *pc = cls;
545  struct AddressRecord *ar;
546 
547  if (0 == GNUNET_TIME_absolute_get_remaining (expiration).rel_value_us)
548  {
549  return GNUNET_OK; /* ignore expired address */
550  }
551 
552  GNUNET_assert (0 < pc->off);
553  ar = &pc->address_list[--pc->off];
554  ar->pc = pc;
555  ar->expiration = expiration;
556  GNUNET_asprintf (&ar->result,
557  "%s:%u:%u",
558  address->transport_name,
559  address->address_length,
560  address->local_info);
562  address,
563  GNUNET_NO,
564  TIMEOUT,
566  ar);
567  return GNUNET_OK;
568 }
569 
570 
580 void
582  const struct GNUNET_PeerIdentity *peer,
583  const struct GNUNET_HELLO_Message *hello,
584  const char *err_msg)
585 {
586  struct RequestHandle *handle = cls;
587  struct PrintContext *pc;
588  int friend_only;
589 
590  if (NULL == handle->response)
591  {
592  handle->response = json_array ();
593  }
594 
595  if (NULL == peer)
596  {
597  handle->list_it = NULL;
598  handle->emsg = GNUNET_strdup ("Error in communication with peerinfo");
599  if (NULL != err_msg)
600  {
601  GNUNET_free (handle->emsg);
602  handle->emsg = GNUNET_strdup (err_msg);
603  handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
604  }
605  if (NULL == pc_head)
607  return;
608  }
609  if (NULL == hello)
610  return;
611 
612  friend_only = GNUNET_NO;
613  if (NULL != hello)
614  friend_only = GNUNET_HELLO_is_friend_only (hello);
615 
616  pc = GNUNET_new (struct PrintContext);
618  pc_tail,
619  pc);
620  pc->peer = *peer;
621  pc->friend_only = friend_only;
622  pc->handle = handle;
624  GNUNET_NO,
625  &count_address,
626  pc);
627  if (0 == pc->off)
628  {
629  dump_pc (pc);
630  return;
631  }
632  pc->address_list_size = pc->off;
634  sizeof(struct AddressRecord) * pc->off);
636  GNUNET_NO,
637  &print_address,
638  pc);
639 }
640 
641 
649 void
651  const char*url,
652  void *cls)
653 {
654  struct RequestHandle *handle = cls;
655  struct GNUNET_HashCode key;
656  const struct GNUNET_PeerIdentity *specific_peer;
657  // GNUNET_PEER_Id peer_id;
659  char*include_friend_only_str;
660 
661  include_friend_only = GNUNET_NO;
664  &key);
665  if (GNUNET_YES
667  &key))
668  {
669  include_friend_only_str = GNUNET_CONTAINER_multihashmap_get (
670  con_handle->url_param_map, &key);
671  if (0 == strcmp (include_friend_only_str, "yes"))
672  {
673  include_friend_only = GNUNET_YES;
674  }
675  }
676 
677  specific_peer = NULL;
679  strlen (GNUNET_REST_PEERINFO_PEER),
680  &key);
681  if (GNUNET_YES
683  &key))
684  {
685  // peer_id = *(unsigned int*)GNUNET_CONTAINER_multihashmap_get (con_handle->url_param_map, &key);
686  // specific_peer = GNUNET_PEER_resolve2(peer_id);
687  }
688 
689  handle->list_it = GNUNET_PEERINFO_iterate (peerinfo_handle,
690  include_friend_only,
691  specific_peer,
693  handle);
694 }
695 
696 
704 static void
706  const char*url,
707  void *cls)
708 {
709  struct MHD_Response *resp;
710  struct RequestHandle *handle = cls;
711 
712  // independent of path return all options
713  resp = GNUNET_REST_create_response (NULL);
714  MHD_add_response_header (resp,
715  "Access-Control-Allow-Methods",
716  allow_methods);
717  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
719  return;
720 }
721 
722 
734 static enum GNUNET_GenericReturnValue
737  void *proc_cls)
738 {
739  struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
741  static const struct GNUNET_REST_RequestHandler handlers[] = {
742  { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_PEERINFO, &peerinfo_get },
743  { MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_PEERINFO, &options_cont },
745  };
746 
747  handle->response_code = 0;
749  60);
750  handle->proc_cls = proc_cls;
751  handle->proc = proc;
752  handle->rest_handle = rest_handle;
753 
754  handle->url = GNUNET_strdup (rest_handle->url);
755  if (handle->url[strlen (handle->url) - 1] == '/')
756  handle->url[strlen (handle->url) - 1] = '\0';
757  handle->timeout_task =
759  &do_error,
760  handle);
761  GNUNET_CONTAINER_DLL_insert (requests_head,
762  requests_tail,
763  handle);
764  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting...\n");
766  handlers,
767  &err,
768  handle))
769  {
770  cleanup_handle (handle);
771  return GNUNET_NO;
772  }
773  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected\n");
774  return GNUNET_YES;
775 }
776 
777 
784 void *
786 {
787  static struct Plugin plugin;
788  struct GNUNET_REST_Plugin *api;
789 
790  cfg = cls;
791  if (NULL != plugin.cfg)
792  return NULL; /* can only initialize once! */
793  memset (&plugin, 0, sizeof(struct Plugin));
794  plugin.cfg = cfg;
795  api = GNUNET_new (struct GNUNET_REST_Plugin);
796  api->cls = &plugin;
800  "%s, %s, %s, %s, %s",
801  MHD_HTTP_METHOD_GET,
802  MHD_HTTP_METHOD_POST,
803  MHD_HTTP_METHOD_PUT,
804  MHD_HTTP_METHOD_DELETE,
805  MHD_HTTP_METHOD_OPTIONS);
806  peerinfo_handle = GNUNET_PEERINFO_connect (cfg);
807 
809  _ ("Peerinfo REST API initialized\n"));
810  return api;
811 }
812 
813 
820 void *
822 {
823  struct GNUNET_REST_Plugin *api = cls;
824  struct Plugin *plugin = api->cls;
825 
826  plugin->cfg = NULL;
827  while (NULL != requests_head)
828  cleanup_handle (requests_head);
829  if (NULL != peerinfo_handle)
830  GNUNET_PEERINFO_disconnect (peerinfo_handle);
831 
833  GNUNET_free (api);
835  "Peerinfo REST plugin is finished\n");
836  return NULL;
837 }
838 
839 
840 /* end of plugin_rest_peerinfo.c */
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
size_t address_length
Number of bytes in address.
enum GNUNET_HELLO_AddressInfo local_info
Extended information about address.
void(* GNUNET_REST_ResultProcessor)(void *cls, struct MHD_Response *resp, int status)
Iterator called on obtained result for a REST result.
void peerinfo_list_iteration(void *cls, const struct GNUNET_PeerIdentity *peer, const struct GNUNET_HELLO_Message *hello, const char *err_msg)
Callback that processes each of the known HELLOs for the iteration response construction.
struct GNUNET_PeerIdentity peer
Identity of the peer.
Handle to the peerinfo service.
Definition: peerinfo_api.c:84
A HELLO message is used to exchange information about transports with other peers.
struct GNUNET_PEERINFO_IteratorContext * list_it
Handle to PEERINFO it.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
static char * allow_methods
HTTP methods allows for this plugin.
functions to parse JSON objects into GNUnet objects
struct GNUNET_PEERINFO_Handle * GNUNET_PEERINFO_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the peerinfo service.
Definition: peerinfo_api.c:130
void * cls
The closure of the plugin.
struct PrintContext * pc
Print context this address record belongs to.
GNUNET_REST_ResultProcessor proc
The plugin result processor.
Structure we use to collect printable address information.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
#define GNUNET_TIME_UNIT_SECONDS
One second.
void peerinfo_get(struct GNUNET_REST_RequestHandle *con_handle, const char *url, void *cls)
Handle peerinfo GET request.
const struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
struct returned by the initialization function of the plugin
GNUNET_GenericReturnValue
Named constants for return values.
Definition: gnunet_common.h:83
static int include_friend_only
Option &#39;-f&#39;.
const char * GNUNET_i2s_full(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).
void * libgnunet_plugin_rest_peerinfo_init(void *cls)
Entry point for the plugin.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
void(* proc)(struct GNUNET_REST_RequestHandle *handle, const char *url, void *cls)
Namespace to handle.
int GNUNET_CONTAINER_multihashmap_contains(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Check if the map contains any value under the given key (including values that are NULL)...
static struct GNUNET_PEERINFO_Handle * peerinfo_handle
Handle to PEERINFO.
struct PrintContext * next
Kept in DLL.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
void * proc_cls
The closure of the result processor.
Context for an iteration request.
Definition: peerinfo_api.c:37
#define GNUNET_REST_HANDLER_END
struct GNUNET_BLOCK_PluginFunctions * api
Plugin API.
Definition: block.c:47
The request handle.
void * GNUNET_CONTAINER_multihashmap_get(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Given a key find a value in the map matching the key.
#define _(String)
GNU gettext support macro.
Definition: platform.h:184
struct GNUNET_PEERINFO_IteratorContext * GNUNET_PEERINFO_iterate(struct GNUNET_PEERINFO_Handle *h, int include_friend_only, const struct GNUNET_PeerIdentity *peer, GNUNET_PEERINFO_Processor callback, void *callback_cls)
Call a method for each known matching host.
Definition: peerinfo_api.c:487
#define GNUNET_REST_API_NS_PEERINFO
Peerinfo Namespace.
unsigned int num_addresses
Number of completed addresses in address_list.
struct GNUNET_NAMESTORE_ZoneIterator * list_it
Handle to NAMESTORE it.
int GNUNET_asprintf(char **buf, const char *format,...)
Like asprintf, just portable.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
Definition: scheduler.c:1269
void GNUNET_PEERINFO_iterate_cancel(struct GNUNET_PEERINFO_IteratorContext *ic)
Cancel an iteration over peer information.
Definition: peerinfo_api.c:520
static struct GNUNET_TIME_Relative timeout
Desired timeout for the lookup (default is no timeout).
Definition: gnunet-abd.c:61
Record we keep for each printable address.
static int print_address(void *cls, const struct GNUNET_HELLO_Address *address, struct GNUNET_TIME_Absolute expiration)
Iterator callback to go over all addresses.
char * emsg
Error response message.
#define GNUNET_REST_PEERINFO_ERROR_UNKNOWN
Error message Unknown Error.
struct GNUNET_CONTAINER_MultiHashMap * url_param_map
Map of url parameters.
static void peerinfo_list_finished(void *cls)
Function that assembles the response.
struct GNUNET_HELLO_Message * GNUNET_HELLO_iterate_addresses(const struct GNUNET_HELLO_Message *msg, int return_modified, GNUNET_HELLO_AddressIterator it, void *it_cls)
Iterate over all of the addresses in the HELLO.
Definition: hello.c:254
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
const char * url
The url as string.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1296
char * name
Plugin name.
struct GNUNET_TIME_Relative timeout
Desired timeout for the lookup (default is no timeout).
const char * transport_name
Name of the transport plugin enabling the communication using this address.
static struct GNUNET_DNS_Handle * handle
Handle to transport service.
static int result
Global testing status.
struct GNUNET_TIME_Relative GNUNET_TIME_relative_multiply(struct GNUNET_TIME_Relative rel, unsigned long long factor)
Multiply relative time by a given factor.
Definition: time.c:442
static struct RequestHandle * requests_head
DLL.
int GNUNET_REST_handle_request(struct GNUNET_REST_RequestHandle *conn, const struct GNUNET_REST_RequestHandler *handlers, struct GNUNET_REST_RequestHandlerError *err, void *cls)
Definition: rest.c:77
struct GNUNET_REST_RequestHandle * rest_handle
Rest connection.
A 512-bit hashcode.
int response_code
Response code.
static char * expiration
Credential TTL.
Definition: gnunet-abd.c:96
struct PrintContext * prev
Kept in DLL.
static int res
static char * plugin
Solver plugin name as string.
struct RequestHandle * next
DLL.
struct GNUNET_TIME_Absolute expiration
Address expiration time.
#define GNUNET_REST_PEERINFO_ARRAY
Peerinfo parameter array.
#define GNUNET_free_nz(ptr)
Wrapper around free.
static void process_resolved_address(void *cls, const char *address, int res)
Function to call with a human-readable format of an address.
struct GNUNET_TESTBED_Peer * peer
The peer associated with this model.
json_t * response
JSON response.
struct GNUNET_TRANSPORT_AddressToStringContext * GNUNET_TRANSPORT_address_to_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const struct GNUNET_HELLO_Address *address, int numeric, struct GNUNET_TIME_Relative timeout, GNUNET_TRANSPORT_AddressToStringCallback aluc, void *aluc_cls)
Convert a binary address into a human readable address.
int GNUNET_HELLO_is_friend_only(const struct GNUNET_HELLO_Message *h)
Return HELLO type.
Definition: hello.c:89
struct RequestHandle * prev
DLL.
static struct GNUNET_SCHEDULER_Task * timeout_task
Task to be run on timeout.
Definition: gnunet-arm.c:124
static enum GNUNET_GenericReturnValue rest_process_request(struct GNUNET_REST_RequestHandle *rest_handle, GNUNET_REST_ResultProcessor proc, void *proc_cls)
Function processing the REST call.
struct GNUNET_TRANSPORT_AddressToStringContext * atsc
Current address-to-string context (if active, otherwise NULL).
static void cleanup_handle(void *cls)
Cleanup lookup handle.
#define GNUNET_REST_PEERINFO_PEER
Peerinfo parameter peer.
char * result
Printable address.
static struct RequestHandle * requests_tail
DLL.
The identity of the host (wraps the signing key of the peer).
static struct GNUNET_FS_PublishContext * pc
Handle to FS-publishing operation.
static struct PrintContext * pc_head
Head of list of print contexts.
void * libgnunet_plugin_rest_peerinfo_done(void *cls)
Exit point from the plugin.
unsigned int off
Current offset in address_list (counted down).
configuration data
Definition: configuration.c:84
Handle for a plugin.
Definition: block.c:37
struct GNUNET_SCHEDULER_Task * timeout_task
ID of a task associated with the resolution process.
struct MHD_Response * GNUNET_REST_create_response(const char *data)
Create REST MHD response.
Definition: rest.c:57
char * expiration_str
Expiration time string.
An address for communicating with a peer.
json_t * temp_array
JSON temporary array.
#define GNUNET_log(kind,...)
Entry in list of pending tasks.
Definition: scheduler.c:134
#define TIMEOUT
How long until we time out during address lookup?
void GNUNET_PEERINFO_disconnect(struct GNUNET_PEERINFO_Handle *h)
Disconnect from the peerinfo service.
Definition: peerinfo_api.c:156
static struct MHD_Response * response
Our canonical response.
struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_remaining(struct GNUNET_TIME_Absolute future)
Given a timestamp in the future, how much time remains until then?
Definition: time.c:331
Time for absolute times used by GNUnet, in microseconds.
static void options_cont(struct GNUNET_REST_RequestHandle *con_handle, const char *url, void *cls)
Respond to OPTIONS request.
int friend_only
Hello was friend only, GNUNET_YES or GNUNET_NO.
struct AddressRecord * address_list
List of printable addresses.
const char * GNUNET_STRINGS_absolute_time_to_string(struct GNUNET_TIME_Absolute t)
Like asctime, except for GNUnet time.
Definition: strings.c:757
static int count_address(void *cls, const struct GNUNET_HELLO_Address *address, struct GNUNET_TIME_Absolute expiration)
Iterator callback to go over all addresses and count them.
static void dump_pc(struct PrintContext *pc)
Print the collected address information to the console and free pc.
unsigned int address_list_size
Number of addresses allocated in address_list.
const char * address
Address string.
enum GNUNET_GenericReturnValue(* process_request)(struct GNUNET_REST_RequestHandle *handle, GNUNET_REST_ResultProcessor proc, void *proc_cls)
Function to process a REST call.
const struct GNUNET_CONFIGURATION_Handle * cfg
The configuration handle.
static char * address
GNS address for this phone.
struct RequestHandle * handle
RequestHandle.
const char * GNUNET_i2s(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).
#define GNUNET_malloc(size)
Wrapper around malloc.
#define GNUNET_REST_PEERINFO_FRIEND
Peerinfo parameter friend.
char * pubkey
Iteration peer public key.
static struct PrintContext * pc_tail
Tail of list of print contexts.
#define GNUNET_free(ptr)
Wrapper around free.
Time for relative time used by GNUnet, in microseconds.
static void do_error(void *cls)
Task run on errors.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:972
char * url
The url.