X-Git-Url: https://git.syn-net.org/?p=debian%2Fuanytun.git;a=blobdiff_plain;f=src%2Fudp.h;h=d0d218d9bf79facaa84ea5d75cf9b5f20b439469;hp=aacdae8f0ea80f4c4125c025276125287e12a616;hb=2ca04c970ea76d18da53fbbc2c7c7281797af79d;hpb=b81b2c1954fe3e3317e6fa260c5ffdc9eeee966c

diff --git a/src/udp.h b/src/udp.h
index aacdae8..d0d218d 100644
--- a/src/udp.h
+++ b/src/udp.h
@@ -10,18 +10,19 @@
  *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
  *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
  *  ethernet, ip, arp ...). satp directly includes cryptography and
- *  message authentication based on the methodes used by SRTP.  It is
+ *  message authentication based on the methods used by SRTP.  It is
  *  intended to deliver a generic, scaleable and secure solution for
  *  tunneling and relaying of packets of any protocol.
- *  
  *
- *  Copyright (C) 2007-2008 Christian Pointner <equinox@anytun.org>
+ *
+ *  Copyright (C) 2007-2014 Christian Pointner <equinox@anytun.org>
  *
  *  This file is part of uAnytun.
  *
  *  uAnytun is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 3 as
- *  published by the Free Software Foundation.
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
  *
  *  uAnytun is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -30,35 +31,60 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with uAnytun. If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL.  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so.  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version.  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
  */
 
-#ifndef _UDP_H_
-#define _UDP_H_
+#ifndef UANYTUN_udp_h_INCLUDED
+#define UANYTUN_udp_h_INCLUDED
 
 #include "options.h"
 
 #include <sys/types.h>
 #include <sys/socket.h>
 
-typedef struct sockaddr_storage udp_endpoint_t;
+typedef struct {
+  socklen_t len_;
+  struct sockaddr_storage addr_;
+} udp_endpoint_t;
 
 struct udp_socket_struct {
   int fd_;
+  unsigned int idx_;
   udp_endpoint_t local_end_;
   udp_endpoint_t remote_end_;
   int remote_end_set_;
+  struct udp_socket_struct* next_;
 };
 typedef struct udp_socket_struct udp_socket_t;
 
-int udp_init(udp_socket_t* sock, const char* local_addr, const char* port, resolv_addr_type_t resolv_type);
-int udp_set_remote(udp_socket_t* sock, const char* remote_addr, const char* port, resolv_addr_type_t resolv_type);
-void udp_close(udp_socket_t* sock);
+struct udp_struct {
+  udp_socket_t* socks_;
+  udp_socket_t* active_sock_;
+};
+typedef struct udp_struct udp_t;
+
+int udp_init(udp_t* sock, const char* local_addr, const char* port, resolv_addr_type_t resolv_type);
+int udp_fill_fd_set(udp_t* sock, fd_set* set);
+int udp_has_remote(udp_t* sock);
+int udp_resolv_remote(udp_t* sock, const char* remote_addr, const char* port, resolv_addr_type_t resolv_type);
+void udp_update_remote(udp_t* sock, int fd, udp_endpoint_t* remote);
+void udp_close(udp_t* sock);
 
-char* udp_endpoint_to_string(udp_endpoint_t e);
-char* udp_get_local_end_string(udp_socket_t* sock);
-char* udp_get_remote_end_string(udp_socket_t* sock);
+char* udp_endpoint_to_string(udp_endpoint_t* e);
 
-int udp_read(udp_socket_t* sock, u_int8_t* buf, u_int32_t len, udp_endpoint_t* remote_end);
-int udp_write(udp_socket_t* sock, u_int8_t* buf, u_int32_t len);
+int udp_read(udp_t* sock, int fd, u_int8_t* buf, u_int32_t len, udp_endpoint_t* remote_end);
+int udp_write(udp_t* sock, u_int8_t* buf, u_int32_t len);
 
 #endif