/*
This file is part of GNUnet.
- (C) 2010 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010-2014 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
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.
*/
/**
* @author Christian Grothoff
*/
#include "platform.h"
-#include "gnunet_client_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_arm_service.h"
#include "gnunet_hello_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_time_lib.h"
#include "gnunet_transport_service.h"
#include "transport.h"
GNUNET_TRANSPORT_BlacklistCallback cb;
/**
- * Closure for 'cb'.
+ * Closure for @e cb.
*/
void *cb_cls;
*
* @param br overall handle
*/
-static void reconnect (struct GNUNET_TRANSPORT_Blacklist *br);
+static void
+reconnect (struct GNUNET_TRANSPORT_Blacklist *br);
/**
*
* @param br our overall context
*/
-static void reply (struct GNUNET_TRANSPORT_Blacklist *br);
+static void
+reply (struct GNUNET_TRANSPORT_Blacklist *br);
/**
* @param msg query
*/
static void
-query_handler (void *cls, const struct GNUNET_MessageHeader *msg)
+query_handler (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
struct GNUNET_TRANSPORT_Blacklist *br = cls;
const struct BlacklistMessage *bm;
- if ((ntohs (msg->size) != sizeof (struct BlacklistMessage)) ||
+ GNUNET_assert (NULL != br);
+ if ((NULL == msg) ||
+ (ntohs (msg->size) != sizeof (struct BlacklistMessage)) ||
(ntohs (msg->type) != GNUNET_MESSAGE_TYPE_TRANSPORT_BLACKLIST_QUERY))
{
reconnect (br);
static void
receive (struct GNUNET_TRANSPORT_Blacklist *br)
{
- GNUNET_CLIENT_receive (br->client,
- &query_handler, br, GNUNET_TIME_UNIT_FOREVER_REL);
+ GNUNET_CLIENT_receive (br->client, &query_handler, br,
+ GNUNET_TIME_UNIT_FOREVER_REL);
}
/**
* Transmit the blacklist initialization request to the service.
*
- * @param cls closure (struct GNUNET_TRANSPORT_Blacklist*)
- * @param size number of bytes available in buf
+ * @param cls closure with `struct GNUNET_TRANSPORT_Blacklist *`
+ * @param size number of bytes available in @a buf
* @param buf where the callee should write the message
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
-transmit_blacklist_init (void *cls, size_t size, void *buf)
+transmit_blacklist_init (void *cls,
+ size_t size,
+ void *buf)
{
struct GNUNET_TRANSPORT_Blacklist *br = cls;
struct GNUNET_MessageHeader req;
- if (buf == NULL)
+ br->th = NULL;
+ if (NULL == buf)
{
reconnect (br);
return 0;
static void
reconnect (struct GNUNET_TRANSPORT_Blacklist *br)
{
- if (br->client != NULL)
- GNUNET_CLIENT_disconnect (br->client, GNUNET_NO);
+ if (NULL != br->client)
+ GNUNET_CLIENT_disconnect (br->client);
br->client = GNUNET_CLIENT_connect ("transport", br->cfg);
- GNUNET_assert (br->client != NULL);
- br->th = GNUNET_CLIENT_notify_transmit_ready (br->client,
- sizeof (struct
- GNUNET_MessageHeader),
- GNUNET_TIME_UNIT_FOREVER_REL,
- GNUNET_YES,
- &transmit_blacklist_init, br);
+ GNUNET_assert (NULL != br->client);
+ br->th =
+ GNUNET_CLIENT_notify_transmit_ready (br->client,
+ sizeof (struct GNUNET_MessageHeader),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_YES, &transmit_blacklist_init,
+ br);
}
/**
* Transmit the blacklist response to the service.
*
- * @param cls closure (struct GNUNET_TRANSPORT_Blacklist*)
- * @param size number of bytes available in buf
+ * @param cls closure with `struct GNUNET_TRANSPORT_Blacklist *`
+ * @param size number of bytes available in @a buf
* @param buf where the callee should write the message
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
-transmit_blacklist_reply (void *cls, size_t size, void *buf)
+transmit_blacklist_reply (void *cls,
+ size_t size,
+ void *buf)
{
struct GNUNET_TRANSPORT_Blacklist *br = cls;
struct BlacklistMessage req;
- if (buf == NULL)
+ br->th = NULL;
+ if (NULL == buf)
{
reconnect (br);
return 0;
req.is_allowed = htonl (br->cb (br->cb_cls, &br->peer));
req.peer = br->peer;
memcpy (buf, &req, sizeof (req));
+ br->th = NULL;
receive (br);
return sizeof (req);
}
static void
reply (struct GNUNET_TRANSPORT_Blacklist *br)
{
- br->th = GNUNET_CLIENT_notify_transmit_ready (br->client,
- sizeof (struct
- BlacklistMessage),
- GNUNET_TIME_UNIT_FOREVER_REL,
- GNUNET_NO,
- &transmit_blacklist_reply, br);
- if (br->th == NULL)
+ GNUNET_assert (NULL == br->th);
+ br->th =
+ GNUNET_CLIENT_notify_transmit_ready (br->client,
+ sizeof (struct BlacklistMessage),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_NO, &transmit_blacklist_reply,
+ br);
+ if (NULL == br->th)
{
reconnect (br);
return;
*
* @param cfg configuration to use
* @param cb callback to invoke to check if connections are allowed
- * @param cb_cls closure for cb
+ * @param cb_cls closure for @a cb
* @return NULL on error, otherwise handle for cancellation
*/
struct GNUNET_TRANSPORT_Blacklist *
GNUNET_TRANSPORT_blacklist (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_TRANSPORT_BlacklistCallback cb, void *cb_cls)
+ GNUNET_TRANSPORT_BlacklistCallback cb,
+ void *cb_cls)
{
struct GNUNET_CLIENT_Connection *client;
struct GNUNET_TRANSPORT_Blacklist *ret;
client = GNUNET_CLIENT_connect ("transport", cfg);
if (NULL == client)
return NULL;
- ret = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_Blacklist));
+ ret = GNUNET_new (struct GNUNET_TRANSPORT_Blacklist);
ret->client = client;
ret->cfg = cfg;
- ret->th = GNUNET_CLIENT_notify_transmit_ready (client,
- sizeof (struct
- GNUNET_MessageHeader),
- GNUNET_TIME_UNIT_FOREVER_REL,
- GNUNET_YES,
- &transmit_blacklist_init, ret);
+ ret->cb = cb;
+ ret->cb_cls = cb_cls;
+ ret->th =
+ GNUNET_CLIENT_notify_transmit_ready (client,
+ sizeof (struct GNUNET_MessageHeader),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_YES, &transmit_blacklist_init,
+ ret);
return ret;
}
void
GNUNET_TRANSPORT_blacklist_cancel (struct GNUNET_TRANSPORT_Blacklist *br)
{
- if (br->th != NULL)
+ if (NULL != br->th)
+ {
GNUNET_CLIENT_notify_transmit_ready_cancel (br->th);
- GNUNET_CLIENT_disconnect (br->client, GNUNET_NO);
+ br->th = NULL;
+ }
+ GNUNET_CLIENT_disconnect (br->client);
GNUNET_free (br);
}