X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Ftransport%2Fplugin_transport_udp_broadcasting.c;h=0c26aa62493760f66ff0aee499e034bad462b5c2;hb=1b1edf92c24f91c36747458e880e0d6a5e559e95;hp=15325938251af7b6d3820f816d023a54abb2cc95;hpb=d8c56c79613f603765984a9a8fc2ed9036bdd2e6;p=oweals%2Fgnunet.git
diff --git a/src/transport/plugin_transport_udp_broadcasting.c b/src/transport/plugin_transport_udp_broadcasting.c
index 153259382..0c26aa624 100644
--- a/src/transport/plugin_transport_udp_broadcasting.c
+++ b/src/transport/plugin_transport_udp_broadcasting.c
@@ -1,21 +1,21 @@
/*
This file is part of GNUnet
- (C) 2010, 2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010, 2011 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 .
- 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.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
@@ -29,7 +29,6 @@
#include "gnunet_hello_lib.h"
#include "gnunet_util_lib.h"
#include "gnunet_fragmentation_lib.h"
-#include "gnunet_nat_lib.h"
#include "gnunet_protocols.h"
#include "gnunet_resolver_service.h"
#include "gnunet_signatures.h"
@@ -42,7 +41,7 @@
#define LOG(kind,...) GNUNET_log_from (kind, "transport-udp", __VA_ARGS__)
/* *********** Cryogenic ********** */
-
+#if LINUX
#include
#include
@@ -57,7 +56,8 @@ struct pm_times {
unsigned long delay_msecs;
unsigned long timeout_msecs;
};
-/************************************/
+#endif
+/************************************/
struct UDP_Beacon_Message
@@ -83,103 +83,63 @@ struct BroadcastAddress
/**
* ID of select broadcast task
*/
- GNUNET_SCHEDULER_TaskIdentifier broadcast_task;
+ struct GNUNET_SCHEDULER_Task * broadcast_task;
struct Plugin *plugin;
- void *addr;
+ struct sockaddr *addr;
socklen_t addrlen;
-
- /*
- * Cryogenic fields
+
+#if LINUX
+ /**
+ * Cryogenic handle.
*/
struct GNUNET_DISK_FileHandle *cryogenic_fd;
+ /**
+ * Time out for cryogenic.
+ */
struct pm_times cryogenic_times;
+#endif
};
-struct Mstv4Context
+/**
+ * Client-specific context for #broadcast_mst_cb().
+ */
+struct MstContext
{
struct Plugin *plugin;
- struct IPv4UdpAddress addr;
- /**
- * ATS network type in NBO
- */
- uint32_t ats_address_network_type;
-};
+ const union UdpAddress *udp_addr;
-struct Mstv6Context
-{
- struct Plugin *plugin;
+ size_t udp_addr_len;
- struct IPv6UdpAddress addr;
/**
- * ATS network type in NBO
+ * ATS network type.
*/
- uint32_t ats_address_network_type;
+ enum GNUNET_NetworkType ats_address_network_type;
};
+/**
+ * Parse broadcast message received.
+ *
+ * @param cls the `struct Plugin`
+ * @param client the `struct MstContext` with sender address
+ * @param message the message we received
+ * @return #GNUNET_OK (always)
+ */
static int
-broadcast_ipv6_mst_cb (void *cls, void *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct Plugin *plugin = cls;
- struct Mstv6Context *mc = client;
- const struct GNUNET_MessageHeader *hello;
- const struct UDP_Beacon_Message *msg;
- struct GNUNET_ATS_Information atsi;
-
- msg = (const struct UDP_Beacon_Message *) message;
-
- if (GNUNET_MESSAGE_TYPE_TRANSPORT_BROADCAST_BEACON !=
- ntohs (msg->header.type))
- return GNUNET_OK;
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Received beacon with %u bytes from peer `%s' via address `%s'\n",
- ntohs (msg->header.size), GNUNET_i2s (&msg->sender),
- udp_address_to_string (NULL, &mc->addr, sizeof (mc->addr)));
-
- /* setup ATS */
- atsi.type = htonl (GNUNET_ATS_NETWORK_TYPE);
- atsi.value = mc->ats_address_network_type;
- GNUNET_break (ntohl(mc->ats_address_network_type) != GNUNET_ATS_NET_UNSPECIFIED);
-
- hello = (struct GNUNET_MessageHeader *) &msg[1];
- plugin->env->receive (plugin->env->cls,
- &msg->sender,
- hello,
- NULL,
- (const char *) &mc->addr,
- sizeof (mc->addr));
- plugin->env->update_address_metrics (plugin->env->cls,
- &msg->sender,
- (const char *) &mc->addr,
- sizeof (mc->addr),
- NULL,
- &atsi, 1);
-
- GNUNET_STATISTICS_update (plugin->env->stats,
- _
- ("# IPv6 multicast HELLO beacons received via udp"),
- 1, GNUNET_NO);
- GNUNET_free (mc);
- return GNUNET_OK;
-}
-
-
-static int
-broadcast_ipv4_mst_cb (void *cls, void *client,
- const struct GNUNET_MessageHeader *message)
+broadcast_mst_cb (void *cls,
+ const struct GNUNET_MessageHeader *message)
{
- struct Plugin *plugin = cls;
- struct Mstv4Context *mc = client;
+ struct MstContext *mc = cls;
+ struct Plugin *plugin = mc->plugin;
+ struct GNUNET_HELLO_Address *address;
const struct GNUNET_MessageHeader *hello;
const struct UDP_Beacon_Message *msg;
- struct GNUNET_ATS_Information atsi;
msg = (const struct UDP_Beacon_Message *) message;
@@ -188,93 +148,68 @@ broadcast_ipv4_mst_cb (void *cls, void *client,
return GNUNET_OK;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Received beacon with %u bytes from peer `%s' via address `%s'\n",
- ntohs (msg->header.size), GNUNET_i2s (&msg->sender),
- udp_address_to_string (NULL, &mc->addr, sizeof (mc->addr)));
-
-
- /* setup ATS */
- atsi.type = htonl (GNUNET_ATS_NETWORK_TYPE);
- atsi.value = mc->ats_address_network_type;
- GNUNET_break (ntohl(mc->ats_address_network_type) != GNUNET_ATS_NET_UNSPECIFIED);
-
+ ntohs (msg->header.size),
+ GNUNET_i2s (&msg->sender),
+ udp_address_to_string (NULL,
+ mc->udp_addr,
+ mc->udp_addr_len));
hello = (struct GNUNET_MessageHeader *) &msg[1];
+ address = GNUNET_HELLO_address_allocate (&msg->sender,
+ PLUGIN_NAME,
+ mc->udp_addr,
+ mc->udp_addr_len,
+ GNUNET_HELLO_ADDRESS_INFO_NONE);
plugin->env->receive (plugin->env->cls,
- &msg->sender,
- hello,
+ address,
NULL,
- (const char *) &mc->addr,
- sizeof (mc->addr));
-
- plugin->env->update_address_metrics (plugin->env->cls,
- &msg->sender,
- (const char *) &mc->addr,
- sizeof (mc->addr),
- NULL,
- &atsi, 1);
-
+ hello);
+ GNUNET_HELLO_address_free (address);
GNUNET_STATISTICS_update (plugin->env->stats,
- _("# IPv4 broadcast HELLO beacons received via udp"),
+ _("# Multicast HELLO beacons received via UDP"),
1, GNUNET_NO);
- GNUNET_free (mc);
return GNUNET_OK;
}
+/**
+ * We received a broadcast message. Process it and all subsequent
+ * messages in the same packet.
+ *
+ * @param plugin the UDP plugin
+ * @param buf the buffer with the message(s)
+ * @param size number of bytes in @a buf
+ * @param udp_addr address of the sender
+ * @param udp_addr_len number of bytes in @a udp_addr
+ * @param network_type network type of the sender's address
+ */
void
udp_broadcast_receive (struct Plugin *plugin,
- const char * buf,
+ const char *buf,
ssize_t size,
- const struct sockaddr *addr,
- size_t addrlen)
+ const union UdpAddress *udp_addr,
+ size_t udp_addr_len,
+ enum GNUNET_NetworkType network_type)
{
- struct GNUNET_ATS_Information ats;
-
- if (addrlen == sizeof (struct sockaddr_in))
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Received IPv4 HELLO beacon broadcast with %i bytes from address %s\n",
- size, GNUNET_a2s ((const struct sockaddr *) addr, addrlen));
- struct Mstv4Context *mc;
-
- mc = GNUNET_malloc (sizeof (struct Mstv4Context));
- struct sockaddr_in *av4 = (struct sockaddr_in *) addr;
-
- mc->addr.ipv4_addr = av4->sin_addr.s_addr;
- mc->addr.u4_port = av4->sin_port;
- ats = plugin->env->get_address_type (plugin->env->cls, (const struct sockaddr *) addr, addrlen);
- mc->ats_address_network_type = ats.value;
-
- GNUNET_assert (NULL != plugin->broadcast_ipv4_mst);
- if (GNUNET_OK !=
- GNUNET_SERVER_mst_receive (plugin->broadcast_ipv4_mst, mc, buf, size,
- GNUNET_NO, GNUNET_NO))
- GNUNET_free (mc);
- }
- if (addrlen == sizeof (struct sockaddr_in6))
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Received IPv6 HELLO beacon broadcast with %i bytes from address %s\n",
- size, GNUNET_a2s ((const struct sockaddr *) &addr, addrlen));
- struct Mstv6Context *mc;
-
- mc = GNUNET_malloc (sizeof (struct Mstv6Context));
- struct sockaddr_in6 *av6 = (struct sockaddr_in6 *) addr;
-
- mc->addr.ipv6_addr = av6->sin6_addr;
- mc->addr.u6_port = av6->sin6_port;
- ats = plugin->env->get_address_type (plugin->env->cls, (const struct sockaddr *) addr, addrlen);
- mc->ats_address_network_type = ats.value;
- GNUNET_assert (NULL != plugin->broadcast_ipv4_mst);
- if (GNUNET_OK !=
- GNUNET_SERVER_mst_receive (plugin->broadcast_ipv6_mst, mc, buf, size,
- GNUNET_NO, GNUNET_NO))
- GNUNET_free (mc);
- }
+ struct GNUNET_MessageStreamTokenizer *broadcast_mst;
+ struct MstContext mc;
+
+ broadcast_mst = GNUNET_MST_create (&broadcast_mst_cb,
+ &mc);
+ mc.plugin = plugin;
+ mc.udp_addr = udp_addr;
+ mc.udp_addr_len = udp_addr_len;
+ mc.ats_address_network_type = network_type;
+ GNUNET_MST_from_buffer (broadcast_mst,
+ buf, size,
+ GNUNET_NO,
+ GNUNET_NO);
+ GNUNET_MST_destroy (broadcast_mst);
}
static unsigned int
-prepare_beacon (struct Plugin *plugin, struct UDP_Beacon_Message *msg)
+prepare_beacon (struct Plugin *plugin,
+ struct UDP_Beacon_Message *msg)
{
uint16_t hello_size;
uint16_t msg_size;
@@ -293,14 +228,13 @@ prepare_beacon (struct Plugin *plugin, struct UDP_Beacon_Message *msg)
msg->sender = *(plugin->env->my_identity);
msg->header.size = htons (msg_size);
msg->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_BROADCAST_BEACON);
- memcpy (&msg[1], hello, hello_size);
+ GNUNET_memcpy (&msg[1], hello, hello_size);
return msg_size;
}
static void
-udp_ipv4_broadcast_send (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+udp_ipv4_broadcast_send (void *cls)
{
struct BroadcastAddress *baddr = cls;
struct Plugin *plugin = baddr->plugin;
@@ -308,7 +242,7 @@ udp_ipv4_broadcast_send (void *cls,
uint16_t msg_size;
char buf[65536] GNUNET_ALIGN;
- baddr->broadcast_task = GNUNET_SCHEDULER_NO_TASK;
+ baddr->broadcast_task = NULL;
msg_size = prepare_beacon(plugin, (struct UDP_Beacon_Message *) &buf);
if (0 != msg_size)
@@ -340,7 +274,8 @@ udp_ipv4_broadcast_send (void *cls,
GNUNET_a2s (baddr->addr, baddr->addrlen));
}
}
-
+
+#if LINUX
/*
* Cryogenic
*/
@@ -348,7 +283,7 @@ udp_ipv4_broadcast_send (void *cls,
{
baddr->cryogenic_times.delay_msecs = (plugin->broadcast_interval.rel_value_us/1000.0)*0.5;
baddr->cryogenic_times.timeout_msecs = (plugin->broadcast_interval.rel_value_us/1000.0)*1.5;
-
+
if (ioctl(baddr->cryogenic_fd->fd,
PM_SET_DELAY_AND_TIMEOUT,
&baddr->cryogenic_times) < 0)
@@ -363,9 +298,10 @@ udp_ipv4_broadcast_send (void *cls,
baddr->cryogenic_fd,
&udp_ipv4_broadcast_send,
baddr);
-
+
}
else
+#endif
baddr->broadcast_task =
GNUNET_SCHEDULER_add_delayed (plugin->broadcast_interval,
&udp_ipv4_broadcast_send, baddr);
@@ -373,8 +309,7 @@ udp_ipv4_broadcast_send (void *cls,
static void
-udp_ipv6_broadcast_send (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+udp_ipv6_broadcast_send (void *cls)
{
struct BroadcastAddress *baddr = cls;
struct Plugin *plugin = baddr->plugin;
@@ -383,7 +318,7 @@ udp_ipv6_broadcast_send (void *cls,
char buf[65536] GNUNET_ALIGN;
const struct sockaddr_in6 *s6 = (const struct sockaddr_in6 *) baddr->addr;
- baddr->broadcast_task = GNUNET_SCHEDULER_NO_TASK;
+ baddr->broadcast_task = NULL;
msg_size = prepare_beacon(plugin, (struct UDP_Beacon_Message *) &buf);
/* Note: unclear if this actually works to limit the multicast to
@@ -423,6 +358,7 @@ udp_ipv6_broadcast_send (void *cls,
GNUNET_a2s ((const struct sockaddr *) &plugin->ipv6_multicast_address,
sizeof (struct sockaddr_in6)));
}
+#if LINUX
/*
* Cryogenic
*/
@@ -430,7 +366,7 @@ udp_ipv6_broadcast_send (void *cls,
{
baddr->cryogenic_times.delay_msecs = (plugin->broadcast_interval.rel_value_us/1000.0)*0.5;
baddr->cryogenic_times.timeout_msecs = (plugin->broadcast_interval.rel_value_us/1000.0)*1.5;
-
+
if (ioctl(baddr->cryogenic_fd->fd,
PM_SET_DELAY_AND_TIMEOUT,
&baddr->cryogenic_times) < 0)
@@ -443,10 +379,11 @@ udp_ipv6_broadcast_send (void *cls,
else
GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL,
baddr->cryogenic_fd,
- &udp_ipv4_broadcast_send,
+ &udp_ipv6_broadcast_send,
baddr);
}
else
+#endif
baddr->broadcast_task =
GNUNET_SCHEDULER_add_delayed (plugin->broadcast_interval,
&udp_ipv6_broadcast_send, baddr);
@@ -475,6 +412,7 @@ iface_proc (void *cls,
{
struct Plugin *plugin = cls;
struct BroadcastAddress *ba;
+ enum GNUNET_NetworkType network;
if (NULL == addr)
return GNUNET_OK;
@@ -489,29 +427,41 @@ iface_proc (void *cls,
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "netmask %s for interface %s %p\n ",
GNUNET_a2s (netmask, addrlen), name, netmask);
+ network = plugin->env->get_address_type (plugin->env->cls, broadcast_addr, addrlen);
+ if (GNUNET_NT_LOOPBACK == network)
+ {
+ /* Broadcasting on loopback does not make sense */
+ return GNUNET_YES;
+ }
+
ba = GNUNET_new (struct BroadcastAddress);
ba->plugin = plugin;
ba->addr = GNUNET_malloc (addrlen);
- memcpy (ba->addr, broadcast_addr, addrlen);
+ GNUNET_memcpy (ba->addr, broadcast_addr, addrlen);
ba->addrlen = addrlen;
+
if ( (GNUNET_YES == plugin->enable_ipv4) &&
(NULL != plugin->sockv4) &&
(addrlen == sizeof (struct sockaddr_in)) )
{
-
- /*
- * setup Cryogenic FD for ipv4 broadcasting
- */
+#if LINUX
+ /*
+ * setup Cryogenic FD for ipv4 broadcasting
+ */
char *filename;
+
GNUNET_asprintf (&filename,
- "/dev/power/%s",
+ "/dev/cryogenic/%s",
name);
- ba->cryogenic_fd =
+ if (0 == ACCESS (name, R_OK))
+ {
+ ba->cryogenic_fd =
GNUNET_DISK_file_open (filename,
- GNUNET_DISK_OPEN_WRITE,
- GNUNET_DISK_PERM_NONE);
+ GNUNET_DISK_OPEN_WRITE,
+ GNUNET_DISK_PERM_NONE);
+ }
GNUNET_free (filename);
-
+#endif
ba->broadcast_task =
GNUNET_SCHEDULER_add_now (&udp_ipv4_broadcast_send, ba);
}
@@ -549,23 +499,24 @@ iface_proc (void *cls,
}
else
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "IPv6 multicasting running\n");
-
+#if LINUX
/*
* setup Cryogenic FD for ipv6 broadcasting
*/
char *filename;
+
GNUNET_asprintf (&filename,
- "/dev/power/%s",
+ "/dev/cryogenic/%s",
name);
- ba->cryogenic_fd =
+ if (0 == ACCESS (name, R_OK))
+ {
+ ba->cryogenic_fd =
GNUNET_DISK_file_open (filename,
- GNUNET_DISK_OPEN_WRITE,
- GNUNET_DISK_PERM_NONE);
+ GNUNET_DISK_OPEN_WRITE,
+ GNUNET_DISK_PERM_NONE);
+ }
GNUNET_free (filename);
-
-
+#endif
ba->broadcast_task =
GNUNET_SCHEDULER_add_now (&udp_ipv6_broadcast_send, ba);
}
@@ -576,21 +527,31 @@ iface_proc (void *cls,
}
+/**
+ * Setup broadcasting subsystem.
+ *
+ * @param plugin
+ * @param server_addrv6
+ * @param server_addrv4
+ */
void
setup_broadcast (struct Plugin *plugin,
struct sockaddr_in6 *server_addrv6,
struct sockaddr_in *server_addrv4)
{
- const struct GNUNET_MessageHeader *hello;
-
- hello = plugin->env->get_our_hello ();
- if (GNUNET_YES == GNUNET_HELLO_is_friend_only((const struct GNUNET_HELLO_Message *) hello))
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg,
+ "topology",
+ "FRIENDS-ONLY"))
{
LOG (GNUNET_ERROR_TYPE_WARNING,
_("Disabling HELLO broadcasting due to friend-to-friend only configuration!\n"));
return;
}
+ if (GNUNET_YES != plugin->enable_broadcasting)
+ return; /* We do not send, just receive */
+
/* create IPv4 broadcast socket */
if ((GNUNET_YES == plugin->enable_ipv4) && (NULL != plugin->sockv4))
{
@@ -604,13 +565,8 @@ setup_broadcast (struct Plugin *plugin,
_("Failed to set IPv4 broadcast option for broadcast socket on port %d\n"),
ntohs (server_addrv4->sin_port));
}
- else
- {
- plugin->broadcast_ipv4_mst =
- GNUNET_SERVER_mst_create (broadcast_ipv4_mst_cb, plugin);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "IPv4 Broadcasting running\n");
- }
}
+ /* create IPv6 multicast socket */
if ((GNUNET_YES == plugin->enable_ipv6) && (plugin->sockv6 != NULL))
{
memset (&plugin->ipv6_multicast_address, 0, sizeof (struct sockaddr_in6));
@@ -619,65 +575,66 @@ setup_broadcast (struct Plugin *plugin,
&plugin->ipv6_multicast_address.sin6_addr));
plugin->ipv6_multicast_address.sin6_family = AF_INET6;
plugin->ipv6_multicast_address.sin6_port = htons (plugin->port);
- plugin->broadcast_ipv6_mst =
- GNUNET_SERVER_mst_create (broadcast_ipv6_mst_cb, plugin);
}
GNUNET_OS_network_interfaces_list (&iface_proc, plugin);
}
+/**
+ * Stop broadcasting subsystem.
+ *
+ * @param plugin
+ */
void
stop_broadcast (struct Plugin *plugin)
{
- while (plugin->broadcast_head != NULL)
+ if (GNUNET_YES == plugin->enable_broadcasting)
{
- struct BroadcastAddress *p = plugin->broadcast_head;
-
- if (p->broadcast_task != GNUNET_SCHEDULER_NO_TASK)
+ /* Disable broadcasting */
+ while (plugin->broadcast_head != NULL)
{
- GNUNET_SCHEDULER_cancel (p->broadcast_task);
- p->broadcast_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if ((GNUNET_YES == plugin->enable_ipv6) &&
- (NULL != plugin->sockv6) &&
- (p->addrlen == sizeof (struct sockaddr_in6)))
- {
- /* Create IPv6 multicast request */
- struct ipv6_mreq multicastRequest;
- const struct sockaddr_in6 *s6 = (const struct sockaddr_in6 *) p->addr;
-
- multicastRequest.ipv6mr_multiaddr =
- plugin->ipv6_multicast_address.sin6_addr;
- multicastRequest.ipv6mr_interface = s6->sin6_scope_id;
+ struct BroadcastAddress *p = plugin->broadcast_head;
- /* Leave the multicast group */
- if (GNUNET_OK ==
- GNUNET_NETWORK_socket_setsockopt
- (plugin->sockv6, IPPROTO_IPV6, IPV6_LEAVE_GROUP,
- &multicastRequest, sizeof (multicastRequest)))
+ if (p->broadcast_task != NULL)
{
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, setsockopt);
+ GNUNET_SCHEDULER_cancel (p->broadcast_task);
+ p->broadcast_task = NULL;
}
- else
+ if ((GNUNET_YES == plugin->enable_ipv6) &&
+ (NULL != plugin->sockv6) &&
+ (p->addrlen == sizeof (struct sockaddr_in6)))
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "IPv6 multicasting stopped\n");
+ /* Create IPv6 multicast request */
+ struct ipv6_mreq multicastRequest;
+ const struct sockaddr_in6 *s6 = (const struct sockaddr_in6 *) p->addr;
+
+ multicastRequest.ipv6mr_multiaddr =
+ plugin->ipv6_multicast_address.sin6_addr;
+ multicastRequest.ipv6mr_interface = s6->sin6_scope_id;
+
+ /* Leave the multicast group */
+ if (GNUNET_OK ==
+ GNUNET_NETWORK_socket_setsockopt
+ (plugin->sockv6, IPPROTO_IPV6, IPV6_LEAVE_GROUP,
+ &multicastRequest, sizeof (multicastRequest)))
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "setsockopt");
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "IPv6 multicasting stopped\n");
+ }
}
- }
- /*
- * Close Cryogenic FD
- */
+#if LINUX
GNUNET_DISK_file_close(p->cryogenic_fd);
-
- GNUNET_CONTAINER_DLL_remove (plugin->broadcast_head,
- plugin->broadcast_tail, p);
- GNUNET_free (p->addr);
- GNUNET_free (p);
+#endif
+ GNUNET_CONTAINER_DLL_remove (plugin->broadcast_head,
+ plugin->broadcast_tail, p);
+ GNUNET_free (p->addr);
+ GNUNET_free (p);
+ }
}
- if (plugin->broadcast_ipv4_mst != NULL)
- GNUNET_SERVER_mst_destroy (plugin->broadcast_ipv4_mst);
- if (plugin->broadcast_ipv6_mst != NULL)
- GNUNET_SERVER_mst_destroy (plugin->broadcast_ipv6_mst);
}
/* end of plugin_transport_udp_broadcasting.c */