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/cvs/gvpe/src/vpn.h
Revision: 1.16
Committed: Wed Mar 2 05:49:31 2005 UTC (19 years, 2 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.15: +5 -0 lines
Log Message:
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File Contents

# Content
1 /*
2 vpn.h -- header for vpn.C
3 Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 #ifndef VPE_VPN_H__
21 #define VPE_VPN_H__
22
23 #include "global.h"
24 #include "conf.h"
25 #include "device.h"
26 #include "connection.h"
27
28 struct vpn
29 {
30 int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd, dnsv4_fd;
31
32 int events;
33
34 enum {
35 EVENT_RECONNECT = 1,
36 EVENT_SHUTDOWN = 2,
37 };
38
39 void event_cb (time_watcher &w); time_watcher event;
40
41 tap_device *tap;
42
43 typedef vector<connection *> conns_vector;
44 conns_vector conns;
45
46 connection *find_router ();
47 connection *find_forwarder ();
48
49 void reconnect_all ();
50 void shutdown_all ();
51
52 void tap_ev (io_watcher &w, short revents); io_watcher tap_ev_watcher;
53 void inject_data_packet (tap_packet *pkt, int dst);
54
55 void send_connect_request (int id);
56
57 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
58
59 #if ENABLE_TCP
60 void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher;
61 bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
62 #endif
63
64 #if ENABLE_ICMP
65 void icmpv4_ev (io_watcher &w, short revents); io_watcher icmpv4_ev_watcher;
66 bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
67 #endif
68
69 #if ENABLE_DNS
70 vector<struct dns_rep *> dns_rcvpq;
71 vector<struct dns_req *> dns_sndpq;
72
73 void dnsv4_ev (io_watcher &w, short revents); io_watcher dnsv4_ev_watcher;
74 struct dns_packet *dnsv4_server (struct dns_packet *pkt);
75 void dnsv4_client (struct dns_packet *pkt);
76 #endif
77
78 void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher;
79 bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
80
81 void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher;
82 bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
83
84 vpn ();
85 ~vpn ();
86
87 int setup ();
88
89 void dump_status ();
90
91 const char *script_if_up ();
92 };
93
94 extern vpn network; // THE vpn
95
96 #endif
97