This file is part of GNUnet.
Copyright (C) 2009-2013, 2016 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
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @brief library to offer HELLOs to transport service
* @author Christian Grothoff
*/
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_hello_lib.h"
+#include "gnunet_protocols.h"
+#include "gnunet_transport_service.h"
+
/**
* Entry in linked list for all offer-HELLO requests.
*/
struct GNUNET_TRANSPORT_OfferHelloHandle
{
- /**
- * For the DLL.
- */
- struct GNUNET_TRANSPORT_OfferHelloHandle *prev;
-
- /**
- * For the DLL.
- */
- struct GNUNET_TRANSPORT_OfferHelloHandle *next;
/**
* Transport service handle we use for transmission.
*/
- struct GNUNET_TRANSPORT_Handle *th;
-
- /**
- * Transmission handle for this request.
- */
- struct GNUNET_TRANSPORT_TransmitHandle *tth;
+ struct GNUNET_MQ_Handle *mq;
/**
* Function to call once we are done.
*/
void *cls;
- /**
- * The HELLO message to be transmitted.
- */
- struct GNUNET_MessageHeader *msg;
};
+/**
+ * Done sending HELLO message to the service, notify application.
+ *
+ * @param cls the handle for the operation
+ */
+static void
+finished_hello (void *cls)
+{
+ struct GNUNET_TRANSPORT_OfferHelloHandle *ohh = cls;
+
+ if (NULL != ohh->cont)
+ ohh->cont (ohh->cls);
+ GNUNET_TRANSPORT_offer_hello_cancel (ohh);
+}
+
/**
* Offer the transport service the HELLO of another peer. Note that
* the transport service may just ignore this message if the HELLO is
* malformed or useless due to our local configuration.
*
- * @param handle connection to transport service
+ * @param cfg configuration
* @param hello the hello message
* @param cont continuation to call when HELLO has been sent,
* tc reason #GNUNET_SCHEDULER_REASON_TIMEOUT for fail
*
*/
struct GNUNET_TRANSPORT_OfferHelloHandle *
-GNUNET_TRANSPORT_offer_hello (struct GNUNET_TRANSPORT_Handle *handle,
+GNUNET_TRANSPORT_offer_hello (const struct GNUNET_CONFIGURATION_Handle *cfg,
const struct GNUNET_MessageHeader *hello,
GNUNET_SCHEDULER_TaskCallback cont,
void *cont_cls)
{
- struct GNUNET_TRANSPORT_OfferHelloHandle *ohh;
- struct GNUNET_MessageHeader *msg;
+ struct GNUNET_TRANSPORT_OfferHelloHandle *ohh
+ = GNUNET_new (struct GNUNET_TRANSPORT_OfferHelloHandle);
+ struct GNUNET_MQ_Envelope *env;
struct GNUNET_PeerIdentity peer;
- uint16_t size;
- if (NULL == handle->mq)
- return NULL;
- GNUNET_break (ntohs (hello->type) == GNUNET_MESSAGE_TYPE_HELLO);
- size = ntohs (hello->size);
- GNUNET_break (size >= sizeof (struct GNUNET_MessageHeader));
if (GNUNET_OK !=
GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *) hello,
&peer))
{
GNUNET_break (0);
+ GNUNET_free (ohh);
+ return NULL;
+ }
+ ohh->mq = GNUNET_CLIENT_connect (cfg,
+ "transport",
+ NULL,
+ NULL,
+ ohh);
+ if (NULL == ohh->mq)
+ {
+ GNUNET_free (ohh);
return NULL;
}
-
- msg = GNUNET_malloc (size);
- memcpy (msg, hello, size);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Offering HELLO message of `%s' to transport for validation.\n",
- GNUNET_i2s (&peer));
- ohh = GNUNET_new (struct GNUNET_TRANSPORT_OfferHelloHandle);
- ohh->th = handle;
ohh->cont = cont;
ohh->cls = cont_cls;
- ohh->msg = msg;
- ohh->tth = schedule_control_transmit (handle,
- size,
- &send_hello,
- ohh);
- GNUNET_CONTAINER_DLL_insert (handle->oh_head,
- handle->oh_tail,
- ohh);
+ GNUNET_break (ntohs (hello->type) == GNUNET_MESSAGE_TYPE_HELLO);
+ env = GNUNET_MQ_msg_copy (hello);
+ GNUNET_MQ_notify_sent (env,
+ &finished_hello,
+ ohh);
+ GNUNET_MQ_send (ohh->mq,
+ env);
return ohh;
}
void
GNUNET_TRANSPORT_offer_hello_cancel (struct GNUNET_TRANSPORT_OfferHelloHandle *ohh)
{
- struct GNUNET_TRANSPORT_Handle *th = ohh->th;
-
- cancel_control_transmit (ohh->th, ohh->tth);
- GNUNET_CONTAINER_DLL_remove (th->oh_head,
- th->oh_tail,
- ohh);
- GNUNET_free (ohh->msg);
+ GNUNET_MQ_destroy (ohh->mq);
GNUNET_free (ohh);
}
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