/*
This file is part of GNUnet.
- (C) 2009-2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009-2013 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file gns/gns_api.c
#include "gnunet_gns_service.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "gns-api",__VA_ARGS__)
+
/**
* Handle to a lookup request
*/
* DLL
*/
struct GNUNET_GNS_LookupRequest *next;
-
+
/**
* DLL
*/
struct GNUNET_GNS_LookupRequest *prev;
-
+
/**
- * handle to gns
+ * handle to gns
*/
struct GNUNET_GNS_Handle *gns_handle;
-
+
/**
- * processor to call on lookup result
+ * processor to call on lookup result
*/
GNUNET_GNS_LookupResultProcessor lookup_proc;
/**
- * processor closure
+ * processor closure
*/
void *proc_cls;
-
+
/**
- * request id
+ * request id
*/
uint32_t r_id;
-
+
};
* Currently pending transmission request (or NULL).
*/
struct GNUNET_CLIENT_TransmitHandle *th;
-
+
/**
* Head of linked list of shorten messages we would like to transmit.
*/
* Tail of linked list of shorten messages we would like to transmit.
*/
struct PendingMessage *pending_tail;
-
+
/**
* Head of linked list of lookup messages we would like to transmit.
*/
/**
* Reconnect task
*/
- GNUNET_SCHEDULER_TaskIdentifier reconnect_task;
-
+ struct GNUNET_SCHEDULER_Task * reconnect_task;
+
/**
* How long do we wait until we try to reconnect?
*/
* Request Id generator. Incremented by one for each request.
*/
uint32_t r_id_gen;
-
+
/**
* Did we start our receive loop yet?
*/
reconnect (struct GNUNET_GNS_Handle *handle)
{
GNUNET_assert (NULL == handle->client);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Trying to connect to GNS\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Trying to connect to GNS\n");
handle->client = GNUNET_CLIENT_connect ("gns", handle->cfg);
GNUNET_assert (NULL != handle->client);
process_pending_messages (handle);
* Reconnect to GNS
*
* @param cls the handle
- * @param tc task context
*/
static void
-reconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+reconnect_task (void *cls)
{
struct GNUNET_GNS_Handle *handle = cls;
- handle->reconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ handle->reconnect_task = NULL;
reconnect (handle);
}
p->transmitted = GNUNET_NO;
GNUNET_CONTAINER_DLL_insert (handle->pending_head,
handle->pending_tail,
- p);
+ p);
}
handle->reconnect_backoff = GNUNET_TIME_STD_BACKOFF (handle->reconnect_backoff);
- handle->reconnect_task = GNUNET_SCHEDULER_add_delayed (handle->reconnect_backoff,
- &reconnect_task,
- handle);
+ handle->reconnect_task
+ = GNUNET_SCHEDULER_add_delayed (handle->reconnect_backoff,
+ &reconnect_task,
+ handle);
}
struct PendingMessage *p = handle->pending_head;
if (NULL == handle->client)
- return; /* wait for reconnect */
+ return; /* wait for reconnect */
if (NULL != handle->th)
- return; /* transmission request already pending */
+ return; /* transmission request already pending */
while ((NULL != p) && (p->transmitted == GNUNET_YES))
p = p->next;
if (NULL == p)
return; /* no messages pending */
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Trying to transmit %u bytes\n",
- (unsigned int) p->size);
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Trying to transmit %u bytes\n",
+ (unsigned int) p->size);
handle->th =
GNUNET_CLIENT_notify_transmit_ready (handle->client,
p->size,
handle->th = NULL;
if ((0 == size) || (NULL == buf))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmission to GNS service failed!\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Transmission to GNS service failed!\n");
force_reconnect (handle);
return 0;
- }
+ }
if (NULL == (p = handle->pending_head))
return 0;
handle->in_receive = GNUNET_YES;
}
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending %u bytes\n",
- (unsigned int) tsize);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending %u bytes\n",
+ (unsigned int) tsize);
process_pending_messages (handle);
return tsize;
}
{
struct GNUNET_GNS_Handle *handle = qe->gns_handle;
struct PendingMessage *p = (struct PendingMessage *) &qe[1];
+ GNUNET_GNS_LookupResultProcessor proc;
+ void *proc_cls;
uint32_t rd_count = ntohl (msg->rd_count);
- struct GNUNET_NAMESTORE_RecordData rd[rd_count];
+ struct GNUNET_GNSRECORD_Data rd[rd_count];
size_t mlen;
if (GNUNET_YES != p->transmitted)
}
mlen = ntohs (msg->header.size);
mlen -= sizeof (struct GNUNET_GNS_ClientLookupResultMessage);
- if (GNUNET_SYSERR == GNUNET_NAMESTORE_records_deserialize (mlen,
+ proc = qe->lookup_proc;
+ proc_cls = qe->proc_cls;
+ GNUNET_CONTAINER_DLL_remove (handle->lookup_head, handle->lookup_tail, qe);
+ GNUNET_free (qe);
+ if (GNUNET_SYSERR == GNUNET_GNSRECORD_records_deserialize (mlen,
(const char*) &msg[1],
rd_count,
rd))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to serialize lookup reply from GNS service!\n"));
- qe->lookup_proc (qe->proc_cls, 0, NULL);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to deserialize lookup reply from GNS service!\n"));
+ proc (proc_cls, 0, NULL);
}
else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received lookup reply from GNS service (%u records)\n",
- (unsigned int) rd_count);
- qe->lookup_proc (qe->proc_cls, rd_count, rd);
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received lookup reply from GNS service (%u records)\n",
+ (unsigned int) rd_count);
+ proc (proc_cls, rd_count, rd);
}
- GNUNET_CONTAINER_DLL_remove (handle->lookup_head, handle->lookup_tail, qe);
- GNUNET_free (qe);
}
struct GNUNET_GNS_LookupRequest *lr;
const struct GNUNET_GNS_ClientLookupResultMessage *lookup_msg;
uint32_t r_id;
-
+
if (NULL == msg)
{
force_reconnect (handle);
return;
}
+
+ GNUNET_CLIENT_receive (handle->client, &process_message, handle,
+ GNUNET_TIME_UNIT_FOREVER_REL);
switch (ntohs (msg->type))
{
case GNUNET_MESSAGE_TYPE_GNS_LOOKUP_RESULT:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Got LOOKUP_RESULT msg\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Got LOOKUP_RESULT msg\n");
if (ntohs (msg->size) < sizeof (struct GNUNET_GNS_ClientLookupResultMessage))
{
GNUNET_break (0);
return;
}
lookup_msg = (const struct GNUNET_GNS_ClientLookupResultMessage *) msg;
- r_id = ntohl (lookup_msg->id);
- for (lr = handle->lookup_head; NULL != lr; lr = lr->next)
+ r_id = ntohl (lookup_msg->id);
+ for (lr = handle->lookup_head; NULL != lr; lr = lr->next)
if (lr->r_id == r_id)
{
- process_lookup_reply(lr, lookup_msg);
+ process_lookup_reply(lr, lookup_msg);
break;
}
break;
force_reconnect (handle);
return;
}
- GNUNET_CLIENT_receive (handle->client, &process_message, handle,
- GNUNET_TIME_UNIT_FOREVER_REL);
}
void
GNUNET_GNS_disconnect (struct GNUNET_GNS_Handle *handle)
{
- GNUNET_CLIENT_disconnect (handle->client);
- if (GNUNET_SCHEDULER_NO_TASK != handle->reconnect_task)
+ if (NULL != handle->client)
+ {
+ GNUNET_CLIENT_disconnect (handle->client);
+ handle->client = NULL;
+ }
+ if (NULL != handle->reconnect_task)
{
GNUNET_SCHEDULER_cancel (handle->reconnect_task);
- handle->reconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ handle->reconnect_task = NULL;
}
GNUNET_assert (NULL == handle->lookup_head);
GNUNET_free (handle);
{
struct PendingMessage *p = (struct PendingMessage*) &lr[1];
- GNUNET_assert (NULL != lr->gns_handle);
+ GNUNET_assert (NULL != lr->gns_handle);
if (GNUNET_NO == p->transmitted)
GNUNET_CONTAINER_DLL_remove (lr->gns_handle->pending_head,
lr->gns_handle->pending_tail,
/**
- * Perform an asynchronous Lookup operation on the GNS.
+ * Perform an asynchronous lookup operation on the GNS.
*
* @param handle handle to the GNS service
* @param name the name to look up
* @param zone the zone to start the resolution in
* @param type the record type to look up
- * @param only_cached GNUNET_YES to only check locally not DHT for performance
- * @param shorten_key the private key of the shorten zone (can be NULL)
+ * @param options local options for the lookup
+ * @param shorten_zone_key the private key of the shorten zone (can be NULL)
* @param proc processor to call on result
- * @param proc_cls closure for processor
+ * @param proc_cls closure for @a proc
* @return handle to the get request
*/
struct GNUNET_GNS_LookupRequest*
GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle,
const char *name,
- const struct GNUNET_CRYPTO_EccPublicKey *zone,
- int type,
- int only_cached,
- const struct GNUNET_CRYPTO_EccPrivateKey *shorten_key,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *zone,
+ uint32_t type,
+ enum GNUNET_GNS_LocalOptions options,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *shorten_zone_key,
GNUNET_GNS_LookupResultProcessor proc,
void *proc_cls)
{
{
GNUNET_break (0);
return NULL;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Trying to lookup `%s' in GNS\n",
- name);
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Trying to lookup `%s' in GNS\n",
+ name);
msize = sizeof (struct GNUNET_GNS_ClientLookupMessage)
+ strlen (name) + 1;
if (msize > UINT16_MAX)
lookup_msg->header.type = htons (GNUNET_MESSAGE_TYPE_GNS_LOOKUP);
lookup_msg->header.size = htons (msize);
lookup_msg->id = htonl (lr->r_id);
- lookup_msg->only_cached = htonl (only_cached);
+ lookup_msg->options = htons ((uint16_t) options);
lookup_msg->zone = *zone;
lookup_msg->type = htonl (type);
- if (NULL != shorten_key)
+ if (NULL != shorten_zone_key)
{
- lookup_msg->have_key = htonl (GNUNET_YES);
- lookup_msg->shorten_key = *shorten_key;
+ lookup_msg->have_key = htons (GNUNET_YES);
+ lookup_msg->shorten_key = *shorten_zone_key;
}
memcpy (&lookup_msg[1], name, strlen (name) + 1);
GNUNET_CONTAINER_DLL_insert_tail (handle->pending_head,