/*
This file is part of GNUnet
- (C) 2010-2014 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.
*/
/**
};
GNUNET_NETWORK_STRUCT_END
-
/**
- * UDP Message-Packet header (after defragmentation).
+ * Either an IPv4 or IPv6 UDP address. Note that without a "length",
+ * one cannot tell which one of the two types this address represents.
*/
-struct UDPMessage
+union UdpAddress
{
/**
- * Message header.
+ * IPv4 case.
*/
- struct GNUNET_MessageHeader header;
+ struct IPv4UdpAddress v4;
/**
- * Always zero for now.
+ * IPv6 case.
*/
- uint32_t reserved;
-
- /**
- * What is the identity of the sender
- */
- struct GNUNET_PeerIdentity sender;
-
+ struct IPv6UdpAddress v6;
};
+
+/**
+ * Information we track for each message in the queue.
+ */
struct UDP_MessageWrapper;
+
+/**
+ * Closure for #append_port().
+ */
struct PrettyPrinterContext;
/**
* ID of select task for IPv4
*/
- struct GNUNET_SCHEDULER_Task * select_task;
+ struct GNUNET_SCHEDULER_Task *select_task_v4;
/**
* ID of select task for IPv6
*/
- struct GNUNET_SCHEDULER_Task * select_task_v6;
+ struct GNUNET_SCHEDULER_Task *select_task_v6;
/**
* Tokenizer for inbound messages.
struct GNUNET_NAT_Handle *nat;
/**
- * FD Read set
- */
- struct GNUNET_NETWORK_FDSet *rs_v4;
-
- /**
- * FD Write set
+ * Handle to NAT traversal support.
*/
- struct GNUNET_NETWORK_FDSet *ws_v4;
-
+ struct GNUNET_NAT_STUN_Handle *stun;
+
/**
* The read socket for IPv4
*/
struct GNUNET_NETWORK_Handle *sockv4;
- /**
- * FD Read set
- */
- struct GNUNET_NETWORK_FDSet *rs_v6;
-
- /**
- * FD Write set
- */
- struct GNUNET_NETWORK_FDSet *ws_v6;
-
/**
* The read socket for IPv6
*/
struct GNUNET_NETWORK_Handle *sockv6;
/**
- * Tokenizer for inbound IPv6 messages.
- */
- struct GNUNET_SERVER_MessageStreamTokenizer *broadcast_ipv6_mst;
-
- /**
- * Tokenizer for inbound IPv4 messages.
+ * Tokenizer for inbound messages.
*/
- struct GNUNET_SERVER_MessageStreamTokenizer *broadcast_ipv4_mst;
+ struct GNUNET_SERVER_MessageStreamTokenizer *broadcast_mst;
/**
* Head of DLL of broadcast addresses
};
+/**
+ * Function called for a quick conversion of the binary address to
+ * a numeric address. Note that the caller must not free the
+ * address and that the next call to this function is allowed
+ * to override the address again.
+ *
+ * @param cls closure
+ * @param addr binary address (a `union UdpAddress`)
+ * @param addrlen length of the @a addr
+ * @return string representing the same address
+ */
const char *
-udp_address_to_string (void *cls, const void *addr, size_t addrlen);
+udp_address_to_string (void *cls,
+ const void *addr,
+ size_t addrlen);
+
+/**
+ * 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_ATS_Network_Type network_type);
+
void
setup_broadcast (struct Plugin *plugin,
struct sockaddr_in6 *server_addrv6,
struct sockaddr_in *server_addrv4);
+
void
stop_broadcast (struct Plugin *plugin);