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 
78 struct Plugin
79 {
80  const struct GNUNET_CONFIGURATION_Handle *cfg;
81 };
82 
83 
87 struct AddressRecord
88 {
93 
97  struct GNUNET_TIME_Absolute expiration;
98 
102  char *result;
103 
107  struct PrintContext *pc;
108 };
109 
110 
114 struct PrintContext
115 {
119  struct PrintContext *next;
120 
124  struct PrintContext *prev;
125 
129  struct GNUNET_PeerIdentity peer;
130 
134  struct AddressRecord *address_list;
135 
139  unsigned int num_addresses;
140 
144  unsigned int address_list_size;
145 
149  unsigned int off;
150 
154  int friend_only;
155 
160 };
161 
165 static struct PrintContext *pc_head;
166 
170 static struct PrintContext *pc_tail;
171 
175 struct RequestHandle
176 {
180  json_t *temp_array;
181 
186 
190  const char *address;
191 
195  char *pubkey;
196 
200  json_t *response;
201 
206 
211 
215  struct GNUNET_REST_RequestHandle *rest_handle;
216 
221 
226 
231 
235  void *proc_cls;
236 
240  char *url;
241 
245  char *emsg;
246 
250  int response_code;
251 };
252 
253 
258 static void
259 cleanup_handle (void *cls)
260 {
261  struct RequestHandle *handle = cls;
262 
264  "Cleaning up\n");
265  if (NULL != handle->timeout_task)
266  {
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  {
295  handle->list_it = NULL;
296  }
297  if (NULL != handle->peerinfo_handle)
298  {
300  handle->peerinfo_handle = NULL;
301  }
302 
303  GNUNET_free (handle);
304 }
305 
306 
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)
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);
333 }
334 
335 
341 static void
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");
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);
362 }
363 
364 
373 static int
374 count_address (void *cls,
375  const struct GNUNET_HELLO_Address *address,
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 
395 static void
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 (
419  pc->address_list[i].expiration));
420  json_object_set (object, "address", address);
421  json_object_set (object, "expires", expires);
422 
423  json_decref (address);
424  json_decref (expires);
425 
426  json_array_append (temp_array, object);
427  json_decref (object);
429  }
430  }
431 
432  if (0 < json_array_size (temp_array))
433  {
434  GNUNET_asprintf (&friend_and_peer,
435  "%s%s",
436  (GNUNET_YES == pc->friend_only) ? "F2F:" : "",
437  GNUNET_i2s_full (&pc->peer));
438  friend_and_peer_json = json_string (friend_and_peer);
439  json_object_set (response_entry,
441  friend_and_peer_json);
442  json_object_set (response_entry,
444  temp_array);
445  json_array_append (pc->handle->response, response_entry);
446  json_decref (friend_and_peer_json);
447  GNUNET_free (friend_and_peer);
448  }
449 
450  json_decref (temp_array);
451  json_decref (response_entry);
452 
455  pc_tail,
456  pc);
457  handle = pc->handle;
458  GNUNET_free (pc);
459 
460  if ((NULL == pc_head) &&
461  (NULL == handle->list_it))
462  {
464  }
465 }
466 
467 
478 static void
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)
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 
515 static int
516 print_address (void *cls,
517  const struct GNUNET_HELLO_Address *address,
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);
538  address,
539  GNUNET_NO,
540  TIMEOUT,
542  ar);
543  return GNUNET_OK;
544 }
545 
546 
556 void
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)
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);
594  pc_tail,
595  pc);
596  pc->peer = *peer;
597  pc->friend_only = friend_only;
598  pc->handle = handle;
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;
610  sizeof(struct AddressRecord) * pc->off);
612  GNUNET_NO,
613  &print_address,
614  pc);
615 }
616 
617 
625 void
627  const char*url,
628  void *cls)
629 {
630  struct RequestHandle *handle = cls;
631  struct GNUNET_HashCode key;
632  const struct GNUNET_PeerIdentity *specific_peer;
633  // GNUNET_PEER_Id peer_id;
635  char*include_friend_only_str;
636 
637  include_friend_only = GNUNET_NO;
640  &key);
641  if (GNUNET_YES
643  &key))
644  {
645  include_friend_only_str = GNUNET_CONTAINER_multihashmap_get (
646  con_handle->url_param_map, &key);
647  if (0 == strcmp (include_friend_only_str, "yes"))
648  {
649  include_friend_only = GNUNET_YES;
650  }
651  }
652 
653  specific_peer = NULL;
655  strlen (GNUNET_REST_PEERINFO_PEER),
656  &key);
657  if (GNUNET_YES
659  &key))
660  {
661  // peer_id = *(unsigned int*)GNUNET_CONTAINER_multihashmap_get (con_handle->url_param_map, &key);
662  // specific_peer = GNUNET_PEER_resolve2(peer_id);
663  }
664 
666  include_friend_only,
667  specific_peer,
669  handle);
670 }
671 
672 
680 static void
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);
695  return;
696 }
697 
698 
704 static void
706 {
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 },
712  };
713 
715  handlers,
716  &err,
717  handle))
718  {
719  handle->response_code = err.error_code;
721  }
722 }
723 
724 
736 static void
739  void *proc_cls)
740 {
741  struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
742 
743  handle->response_code = 0;
745  60);
746  handle->proc_cls = proc_cls;
747  handle->proc = proc;
748  handle->rest_handle = rest_handle;
749 
750  handle->url = GNUNET_strdup (rest_handle->url);
751  if (handle->url[strlen (handle->url) - 1] == '/')
752  handle->url[strlen (handle->url) - 1] = '\0';
753  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting...\n");
755  init_cont (handle);
756  handle->timeout_task =
758  &do_error,
759  handle);
760 
761  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected\n");
762 }
763 
764 
771 void *
773 {
774  static struct Plugin plugin;
775  struct GNUNET_REST_Plugin *api;
776 
777  cfg = cls;
778  if (NULL != plugin.cfg)
779  return NULL; /* can only initialize once! */
780  memset (&plugin, 0, sizeof(struct Plugin));
781  plugin.cfg = cfg;
782  api = GNUNET_new (struct GNUNET_REST_Plugin);
783  api->cls = &plugin;
787  "%s, %s, %s, %s, %s",
788  MHD_HTTP_METHOD_GET,
789  MHD_HTTP_METHOD_POST,
790  MHD_HTTP_METHOD_PUT,
791  MHD_HTTP_METHOD_DELETE,
792  MHD_HTTP_METHOD_OPTIONS);
793 
795  _ ("Peerinfo REST API initialized\n"));
796  return api;
797 }
798 
799 
806 void *
808 {
809  struct GNUNET_REST_Plugin *api = cls;
810  struct Plugin *plugin = api->cls;
811 
812  plugin->cfg = NULL;
813 
815  GNUNET_free (api);
817  "Peerinfo REST plugin is finished\n");
818  return NULL;
819 }
820 
821 
822 /* 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.
struct GNUNET_PEERINFO_Handle * peerinfo_handle
Handle to PEERINFO.
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
static int include_friend_only
Option &#39;-f&#39;.
#define GNUNET_NO
Definition: gnunet_common.h:78
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_OK
Named constants for return values.
Definition: gnunet_common.h:75
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
#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)...
void(* process_request)(struct GNUNET_REST_RequestHandle *handle, GNUNET_REST_ResultProcessor proc, void *proc_cls)
Function to process a REST call.
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:181
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:1253
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.
static void init_cont(struct RequestHandle *handle)
Handle rest request.
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:1280
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
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 GNUNET_TIME_Absolute expiration
Address expiration time.
#define GNUNET_REST_PEERINFO_ARRAY
Peerinfo parameter array.
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.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
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
static struct GNUNET_SCHEDULER_Task * timeout_task
Task to be run on timeout.
Definition: gnunet-arm.c:124
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.
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:85
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
static void rest_process_request(struct GNUNET_REST_RequestHandle *rest_handle, GNUNET_REST_ResultProcessor proc, void *proc_cls)
Function processing the REST call.
Time for absolute times used by GNUnet, in microseconds.
#define GNUNET_YES
Definition: gnunet_common.h:77
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:742
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.
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:966
char * url
The url.