/*
This file is part of GNUnet.
- (C) 2009, 2011 Christian Grothoff (and other contributing authors)
+ (C) 2009-2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
* @author Christian Grothoff
*/
#include "platform.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_os_lib.h"
-#include "gnunet_client_lib.h"
-#include "gnunet_container_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_protocols.h"
#include "gnunet_resolver_service.h"
-#include "gnunet_server_lib.h"
#include "resolver.h"
#define LOG(kind,...) GNUNET_log_from (kind, "resolver-api", __VA_ARGS__)
return;
}
i = 0;
- while (loopback[i] != NULL)
+ while (NULL != loopback[i])
if (0 == strcasecmp (loopback[i++], hostname))
{
GNUNET_free (hostname);
return;
}
LOG (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Must specify `%s' or numeric IP address for `%s' of `%s' in configuration!\n"),
+ _("Must specify `%s' or numeric IP address for `%s' of `%s' in configuration!\n"),
"localhost", "HOSTNAME", "resolver");
GNUNET_free (hostname);
GNUNET_assert (0);
GNUNET_assert (NULL == req_tail);
if (NULL != client)
{
-#if DEBUG_RESOLVER
LOG (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from DNS service\n");
-#endif
- GNUNET_CLIENT_disconnect (client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (client);
client = NULL;
}
- if (r_task != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != r_task)
{
GNUNET_SCHEDULER_cancel (r_task);
r_task = GNUNET_SCHEDULER_NO_TASK;
}
- if (s_task != GNUNET_SCHEDULER_NO_TASK)
+ if (GNUNET_SCHEDULER_NO_TASK != s_task)
{
GNUNET_SCHEDULER_cancel (s_task);
s_task = GNUNET_SCHEDULER_NO_TASK;
struct GNUNET_RESOLVER_RequestHandle *rh = cls;
uint16_t size;
-#if DEBUG_RESOLVER
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Receiving response from DNS service\n");
-#endif
- if (msg == NULL)
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Receiving response from DNS service\n");
+ if (NULL == msg)
{
char buf[INET6_ADDRSTRLEN];
_("Timeout trying to resolve hostname `%s'.\n"),
(const char *) &rh[1]);
/* check if request was canceled */
- if (rh->was_transmitted != GNUNET_SYSERR)
+ if (GNUNET_SYSERR != rh->was_transmitted)
{
if (NULL != rh->name_callback)
{
/* no reverse lookup was successful, return ip as string */
if (rh->received_response == GNUNET_NO)
- rh->name_callback (rh->cls,
- no_resolve (rh->af,
- &rh[1],
- rh->data_len));
+ {
+ rh->name_callback (rh->cls, no_resolve (rh->af, &rh[1], rh->data_len));
+ rh->name_callback (rh->cls, NULL);
+ }
/* at least one reverse lookup was successful */
else
rh->name_callback (rh->cls, NULL);
}
GNUNET_CONTAINER_DLL_remove (req_head, req_tail, rh);
GNUNET_free (rh);
- GNUNET_CLIENT_disconnect (client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (client);
client = NULL;
reconnect ();
return;
if (GNUNET_MESSAGE_TYPE_RESOLVER_RESPONSE != ntohs (msg->type))
{
GNUNET_break (0);
- GNUNET_CLIENT_disconnect (client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (client);
client = NULL;
reconnect ();
return;
rh->name_callback (rh->cls, NULL);
GNUNET_CONTAINER_DLL_remove (req_head, req_tail, rh);
GNUNET_free (rh);
- GNUNET_CLIENT_disconnect (client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (client);
client = NULL;
reconnect ();
return;
}
-#if DEBUG_RESOLVER
- LOG (GNUNET_ERROR_TYPE_DEBUG, _("Resolver returns `%s' for IP `%s'.\n"),
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Resolver returns `%s' for IP `%s'.\n",
hostname, GNUNET_a2s ((const void *) &rh[1], rh->data_len));
-#endif
if (rh->was_transmitted != GNUNET_SYSERR)
rh->name_callback (rh->cls, hostname);
rh->received_response = GNUNET_YES;
rh->addr_callback (rh->cls, NULL, 0);
GNUNET_CONTAINER_DLL_remove (req_head, req_tail, rh);
GNUNET_free (rh);
- GNUNET_CLIENT_disconnect (client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (client);
client = NULL;
reconnect ();
return;
* Task executed on system shutdown.
*/
static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
s_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_RESOLVER_disconnect ();
+ backoff = GNUNET_TIME_UNIT_MILLISECONDS;
}
process_requests ()
{
struct GNUNET_RESOLVER_GetMessage *msg;
- char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
+ char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1] GNUNET_ALIGN;
struct GNUNET_RESOLVER_RequestHandle *rh;
if (NULL == client)
msg->direction = htonl (rh->direction);
msg->af = htonl (rh->af);
memcpy (&msg[1], &rh[1], rh->data_len);
-#if DEBUG_RESOLVER
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmitting DNS resolution request to DNS service\n");
-#endif
if (GNUNET_OK !=
GNUNET_CLIENT_transmit_and_get_response (client, &msg->header,
GNUNET_TIME_absolute_get_remaining
(rh->timeout), GNUNET_YES,
&handle_response, rh))
{
- GNUNET_CLIENT_disconnect (client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (client);
client = NULL;
+ GNUNET_break (0);
reconnect ();
return;
}
return; /* no work pending */
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
-#if DEBUG_RESOLVER
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Trying to connect to DNS service\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Trying to connect to DNS service\n");
client = GNUNET_CLIENT_connect ("resolver", resolver_cfg);
if (NULL == client)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Failed to connect, will try again later\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Failed to connect, will try again later\n");
reconnect ();
return;
}
break;
}
}
-#if DEBUG_RESOLVER
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Will try to connect to DNS service in %llu ms\n",
- (unsigned long long) backoff.rel_value);
-#endif
+ "Will try to connect to DNS service in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (backoff, GNUNET_YES));
GNUNET_assert (NULL != resolver_cfg);
r_task = GNUNET_SCHEDULER_add_delayed (backoff, &reconnect_task, NULL);
- backoff = GNUNET_TIME_relative_multiply (backoff, 2);
+ backoff = GNUNET_TIME_STD_BACKOFF (backoff);
}
}
/* then, check if this is a loopback address */
i = 0;
- while (loopback[i] != NULL)
+ while (NULL != loopback[i])
if (0 == strcasecmp (loopback[i++], hostname))
{
rh->task = GNUNET_SCHEDULER_add_now (&loopback_resolution, rh);
char *result;
result = no_resolve (rh->af, &rh[1], rh->data_len);
-#if DEBUG_RESOLVER
- LOG (GNUNET_ERROR_TYPE_DEBUG, _("Resolver returns `%s'.\n"), result);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Resolver returns `%s'.\n", result);
if (result != NULL)
{
rh->name_callback (rh->cls, result);
"gethostname");
return NULL;
}
-#if DEBUG_RESOLVER
- LOG (GNUNET_ERROR_TYPE_DEBUG, _("Resolving our FQDN `%s'\n"), hostname);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Resolving our FQDN `%s'\n", hostname);
host = gethostbyname (hostname);
if (NULL == host)
{
"gethostname");
return NULL;
}
-#if DEBUG_RESOLVER
- LOG (GNUNET_ERROR_TYPE_DEBUG, _("Resolving our hostname `%s'\n"), hostname);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Resolving our hostname `%s'\n",
+ hostname);
return GNUNET_RESOLVER_ip_get (hostname, af, timeout, callback, cls);
}