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Comparing gvpe/src/vpn.h (file contents):
Revision 1.3 by pcg, Wed Apr 2 21:02:25 2003 UTC vs.
Revision 1.27 by pcg, Sun Dec 2 00:20:19 2007 UTC

1/* 1/*
2 vpn.h -- header for vpn.C 2 vpn.h -- header for vpn.C
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
3 4
5 This file is part of GVPE.
6
4 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version. 10 (at your option) any later version.
8 11
9 This program is distributed in the hope that it will be useful, 12 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details. 15 GNU General Public License for more details.
13 16
14 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
16 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17*/ 20*/
18 21
19#ifndef VPE_VPN_H__ 22#ifndef GVPE_VPN_H__
20#define VPE_VPN_H__ 23#define GVPE_VPN_H__
21 24
22#include "global.h" 25#include "global.h"
23#include "conf.h" 26#include "conf.h"
24#include "device.h" 27#include "device.h"
25#include "connection.h" 28#include "connection.h"
26 29
27struct vpn 30struct vpn
28 { 31{
29 int udpv4_fd, tcpv4_fd, ipv4_fd; 32 int udpv4_fd , tcpv4_fd, ipv4_fd , icmpv4_fd , dnsv4_fd;
33 int udpv4_tos, ipv4_tos, icmpv4_tos, dnsv4_tos;
30 34
31 int events; 35 int events;
32 36
33 enum { 37 enum {
34 EVENT_RECONNECT = 1, 38 EVENT_RECONNECT = 1,
35 EVENT_SHUTDOWN = 2, 39 EVENT_SHUTDOWN = 2,
36 }; 40 };
37 41
38 void event_cb (time_watcher &w); time_watcher event; 42 void event_cb (ev::timer &w, int revents); ev::timer event;
39 43
40 tap_device *tap; 44 tap_device *tap;
41 45
42 typedef vector<connection *> conns_vector; 46 typedef vector<connection *> conns_vector;
43 conns_vector conns; 47 conns_vector conns;
44 48
45 connection *find_router (); 49 connection *find_router ();
50 connection *find_forwarder ();
46 51
47 void reconnect_all (); 52 void reconnect_all ();
48 void shutdown_all (); 53 void shutdown_all ();
49 void connect_request (int id);
50 54
51 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); 55 void tap_ev (ev::io &w, int revents); ev::io tap_ev_watcher;
56 void inject_data_packet (tap_packet *pkt, int dst);
52 57
53 void tap_ev (io_watcher &w, short revents); io_watcher tap_ev_watcher; 58 void send_connect_request (int id);
59
60 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
61 bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0);
54 62
55#if ENABLE_TCP 63#if ENABLE_TCP
56 void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher; 64 void tcpv4_ev (ev::io &w, int revents); ev::io tcpv4_ev_watcher;
57 void send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos = IPTOS_RELIABILITY); 65 bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
58#endif 66#endif
59 67
60 void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher; 68#if ENABLE_ICMP
69 void icmpv4_ev (ev::io &w, int revents); ev::io icmpv4_ev_watcher;
61 void send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos = IPTOS_RELIABILITY); 70 bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
71#endif
62 72
63 void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher; 73#if ENABLE_DNS
64 void send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos = IPTOS_RELIABILITY); 74 vector<struct dns_snd *> dns_sndpq;
75 sockinfo dns_forwarder;
65 76
66 vpn (); 77 void dnsv4_ev (ev::io &w, int revents); ev::io dnsv4_ev_watcher;
67 ~vpn (); 78 void dnsv4_server (struct dns_packet &pkt);
79 void dnsv4_client (struct dns_packet &pkt);
68 80
69 int setup (); 81 bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
82#endif
70 83
71 void dump_status (); 84 void udpv4_ev (ev::io &w, int revents); ev::io udpv4_ev_watcher;
85 bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
72 86
87 void ipv4_ev (ev::io &w, int revents); ev::io ipv4_ev_watcher;
88 bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
89
90 vpn ();
91 ~vpn ();
92
93 int setup ();
94
95 void dump_status ();
96
97 void script_init_env ();
98 const char *script_if_init ();
73 const char *script_if_up (); 99 const char *script_if_up ();
74 }; 100};
101
102extern vpn network; // THE vpn
75 103
76#endif 104#endif
77 105

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