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-rw-r--r--src/gns/gns_api.c194
1 files changed, 3 insertions, 191 deletions
diff --git a/src/gns/gns_api.c b/src/gns/gns_api.c
index 5d6158bd4..15a59a4bc 100644
--- a/src/gns/gns_api.c
+++ b/src/gns/gns_api.c
@@ -79,49 +79,6 @@ struct GNUNET_GNS_LookupRequest
79 79
80}; 80};
81 81
82/**
83 * Handle to a lookup request
84 */
85struct GNUNET_GNS_ReverseLookupRequest
86{
87
88 /**
89 * DLL
90 */
91 struct GNUNET_GNS_ReverseLookupRequest *next;
92
93 /**
94 * DLL
95 */
96 struct GNUNET_GNS_ReverseLookupRequest *prev;
97
98 /**
99 * handle to gns
100 */
101 struct GNUNET_GNS_Handle *gns_handle;
102
103 /**
104 * processor to call on lookup result
105 */
106 GNUNET_GNS_ReverseLookupResultProcessor lookup_proc;
107
108 /**
109 * @e lookup_proc closure
110 */
111 void *proc_cls;
112
113 /**
114 * Envelope with the message for this queue entry.
115 */
116 struct GNUNET_MQ_Envelope *env;
117
118 /**
119 * request id
120 */
121 uint32_t r_id;
122
123};
124
125 82
126/** 83/**
127 * Connection to the GNS service. 84 * Connection to the GNS service.
@@ -150,15 +107,6 @@ struct GNUNET_GNS_Handle
150 struct GNUNET_GNS_LookupRequest *lookup_tail; 107 struct GNUNET_GNS_LookupRequest *lookup_tail;
151 108
152 /** 109 /**
153 * Head of linked list of active reverse lookup requests.
154 */
155 struct GNUNET_GNS_ReverseLookupRequest *rev_lookup_head;
156
157 /**
158 * Tail of linked list of active reverse lookup requests.
159 */
160 struct GNUNET_GNS_ReverseLookupRequest *rev_lookup_tail;
161 /**
162 * Reconnect task 110 * Reconnect task
163 */ 111 */
164 struct GNUNET_SCHEDULER_Task *reconnect_task; 112 struct GNUNET_SCHEDULER_Task *reconnect_task;
@@ -232,71 +180,13 @@ mq_error_handler (void *cls,
232 enum GNUNET_MQ_Error error) 180 enum GNUNET_MQ_Error error)
233{ 181{
234 struct GNUNET_GNS_Handle *handle = cls; 182 struct GNUNET_GNS_Handle *handle = cls;
235 LOG (GNUNET_ERROR_TYPE_WARNING, "Problem with message queue. error: %i\n", 183
184 LOG (GNUNET_ERROR_TYPE_WARNING,
185 "Problem with message queue. error: %i\n",
236 error); 186 error);
237 force_reconnect (handle); 187 force_reconnect (handle);
238} 188}
239 189
240/**
241 * Check validity of message received from the GNS service
242 *
243 * @param cls the `struct GNUNET_GNS_Handle *`
244 * @param loookup_msg the incoming message
245 */
246static int
247check_rev_result (void *cls,
248 const struct ReverseLookupResultMessage *lookup_msg)
249{
250 size_t mlen = ntohs (lookup_msg->header.size) - sizeof (*lookup_msg);
251 char *name;
252
253 name = (char*) &lookup_msg[1];
254 if ('\0' != name[mlen-1])
255 {
256 GNUNET_break (0);
257 return GNUNET_SYSERR;
258 }
259 return GNUNET_OK;
260}
261
262
263/**
264 * Handler for messages received from the GNS service
265 *
266 * @param cls the `struct GNUNET_GNS_Handle *`
267 * @param loookup_msg the incoming message
268 */
269static void
270handle_rev_result (void *cls,
271 const struct ReverseLookupResultMessage *lookup_msg)
272{
273 struct GNUNET_GNS_Handle *handle = cls;
274 char *name;
275 uint32_t r_id = ntohl (lookup_msg->id);
276 struct GNUNET_GNS_ReverseLookupRequest *rlr;
277 GNUNET_GNS_ReverseLookupResultProcessor proc;
278 void *proc_cls;
279
280 name = (char*)&lookup_msg[1];
281 LOG (GNUNET_ERROR_TYPE_DEBUG,
282 "Received reverse lookup reply from GNS service (%s)\n",
283 name);
284 for (rlr = handle->rev_lookup_head; NULL != rlr; rlr = rlr->next)
285 if (rlr->r_id == r_id)
286 break;
287 if (NULL == rlr)
288 return;
289 proc = rlr->lookup_proc;
290 proc_cls = rlr->proc_cls;
291 GNUNET_CONTAINER_DLL_remove (handle->rev_lookup_head,
292 handle->rev_lookup_tail,
293 rlr);
294 GNUNET_free (rlr);
295 proc (proc_cls,
296 name);
297}
298
299
300 190
301/** 191/**
302 * Check validity of message received from the GNS service 192 * Check validity of message received from the GNS service
@@ -382,14 +272,9 @@ reconnect (struct GNUNET_GNS_Handle *handle)
382 GNUNET_MESSAGE_TYPE_GNS_LOOKUP_RESULT, 272 GNUNET_MESSAGE_TYPE_GNS_LOOKUP_RESULT,
383 struct LookupResultMessage, 273 struct LookupResultMessage,
384 handle), 274 handle),
385 GNUNET_MQ_hd_var_size (rev_result,
386 GNUNET_MESSAGE_TYPE_GNS_REVERSE_LOOKUP_RESULT,
387 struct ReverseLookupResultMessage,
388 handle),
389 GNUNET_MQ_handler_end () 275 GNUNET_MQ_handler_end ()
390 }; 276 };
391 struct GNUNET_GNS_LookupRequest *lh; 277 struct GNUNET_GNS_LookupRequest *lh;
392 struct GNUNET_GNS_ReverseLookupRequest *rlh;
393 278
394 GNUNET_assert (NULL == handle->mq); 279 GNUNET_assert (NULL == handle->mq);
395 LOG (GNUNET_ERROR_TYPE_DEBUG, 280 LOG (GNUNET_ERROR_TYPE_DEBUG,
@@ -404,9 +289,6 @@ reconnect (struct GNUNET_GNS_Handle *handle)
404 for (lh = handle->lookup_head; NULL != lh; lh = lh->next) 289 for (lh = handle->lookup_head; NULL != lh; lh = lh->next)
405 GNUNET_MQ_send_copy (handle->mq, 290 GNUNET_MQ_send_copy (handle->mq,
406 lh->env); 291 lh->env);
407 for (rlh = handle->rev_lookup_head; NULL != rlh; rlh = rlh->next)
408 GNUNET_MQ_send_copy (handle->mq,
409 rlh->env);
410} 292}
411 293
412 294
@@ -452,7 +334,6 @@ GNUNET_GNS_disconnect (struct GNUNET_GNS_Handle *handle)
452 handle->reconnect_task = NULL; 334 handle->reconnect_task = NULL;
453 } 335 }
454 GNUNET_assert (NULL == handle->lookup_head); 336 GNUNET_assert (NULL == handle->lookup_head);
455 GNUNET_assert (NULL == handle->rev_lookup_head);
456 GNUNET_free (handle); 337 GNUNET_free (handle);
457} 338}
458 339
@@ -474,22 +355,6 @@ GNUNET_GNS_lookup_cancel (struct GNUNET_GNS_LookupRequest *lr)
474 GNUNET_free (lr); 355 GNUNET_free (lr);
475} 356}
476 357
477/**
478 * Cancel pending reverse lookup request
479 *
480 * @param lr the lookup request to cancel
481 */
482void
483GNUNET_GNS_reverse_lookup_cancel (struct GNUNET_GNS_ReverseLookupRequest *lr)
484{
485 struct GNUNET_GNS_Handle *handle = lr->gns_handle;
486
487 GNUNET_CONTAINER_DLL_remove (handle->rev_lookup_head,
488 handle->rev_lookup_tail,
489 lr);
490 GNUNET_MQ_discard (lr->env);
491 GNUNET_free (lr);
492}
493 358
494/** 359/**
495 * Perform an asynchronous lookup operation on the GNS. 360 * Perform an asynchronous lookup operation on the GNS.
@@ -499,7 +364,6 @@ GNUNET_GNS_reverse_lookup_cancel (struct GNUNET_GNS_ReverseLookupRequest *lr)
499 * @param zone the zone to start the resolution in 364 * @param zone the zone to start the resolution in
500 * @param type the record type to look up 365 * @param type the record type to look up
501 * @param options local options for the lookup 366 * @param options local options for the lookup
502 * @param shorten_zone_key the private key of the shorten zone (can be NULL)
503 * @param proc processor to call on result 367 * @param proc processor to call on result
504 * @param proc_cls closure for @a proc 368 * @param proc_cls closure for @a proc
505 * @return handle to the get request 369 * @return handle to the get request
@@ -510,7 +374,6 @@ GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle,
510 const struct GNUNET_CRYPTO_EcdsaPublicKey *zone, 374 const struct GNUNET_CRYPTO_EcdsaPublicKey *zone,
511 uint32_t type, 375 uint32_t type,
512 enum GNUNET_GNS_LocalOptions options, 376 enum GNUNET_GNS_LocalOptions options,
513 const struct GNUNET_CRYPTO_EcdsaPrivateKey *shorten_zone_key,
514 GNUNET_GNS_LookupResultProcessor proc, 377 GNUNET_GNS_LookupResultProcessor proc,
515 void *proc_cls) 378 void *proc_cls)
516{ 379{
@@ -545,11 +408,6 @@ GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle,
545 lookup_msg->options = htons ((uint16_t) options); 408 lookup_msg->options = htons ((uint16_t) options);
546 lookup_msg->zone = *zone; 409 lookup_msg->zone = *zone;
547 lookup_msg->type = htonl (type); 410 lookup_msg->type = htonl (type);
548 if (NULL != shorten_zone_key)
549 {
550 lookup_msg->have_key = htons (GNUNET_YES);
551 lookup_msg->shorten_key = *shorten_zone_key;
552 }
553 GNUNET_memcpy (&lookup_msg[1], 411 GNUNET_memcpy (&lookup_msg[1],
554 name, 412 name,
555 nlen); 413 nlen);
@@ -562,50 +420,4 @@ GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle,
562 return lr; 420 return lr;
563} 421}
564 422
565/**
566 * Perform an asynchronous reverse lookup operation on the GNS.
567 *
568 * @param handle handle to the GNS service
569 * @param zone_key zone to find a name for
570 * @param root_key our zone
571 * @param proc processor to call on result
572 * @param proc_cls closure for @a proc
573 * @return handle to the request
574 */
575struct GNUNET_GNS_ReverseLookupRequest*
576GNUNET_GNS_reverse_lookup (struct GNUNET_GNS_Handle *handle,
577 const struct GNUNET_CRYPTO_EcdsaPublicKey *zone_key,
578 const struct GNUNET_CRYPTO_EcdsaPublicKey *root_key,
579 GNUNET_GNS_ReverseLookupResultProcessor proc,
580 void *proc_cls)
581{
582 /* IPC to shorten gns names, return shorten_handle */
583 struct ReverseLookupMessage *rev_lookup_msg;
584 struct GNUNET_GNS_ReverseLookupRequest *lr;
585
586 if ((NULL == zone_key) || (NULL == root_key))
587 {
588 GNUNET_break (0);
589 return NULL;
590 }
591 LOG (GNUNET_ERROR_TYPE_DEBUG,
592 "Trying to reverse lookup in GNS\n");
593 lr = GNUNET_new (struct GNUNET_GNS_ReverseLookupRequest);
594 lr->gns_handle = handle;
595 lr->lookup_proc = proc;
596 lr->proc_cls = proc_cls;
597 lr->r_id = handle->r_id_gen++;
598 lr->env = GNUNET_MQ_msg (rev_lookup_msg,
599 GNUNET_MESSAGE_TYPE_GNS_REVERSE_LOOKUP);
600 rev_lookup_msg->id = htonl (lr->r_id);
601 rev_lookup_msg->zone_pkey = *zone_key;
602 rev_lookup_msg->root_pkey = *root_key;
603 GNUNET_CONTAINER_DLL_insert (handle->rev_lookup_head,
604 handle->rev_lookup_tail,
605 lr);
606 if (NULL != handle->mq)
607 GNUNET_MQ_send_copy (handle->mq,
608 lr->env);
609 return lr;
610}
611/* end of gns_api.c */ 423/* end of gns_api.c */