ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/vpn.h
Revision: 1.8
Committed: Sun Apr 13 16:53:36 2003 UTC (21 years, 1 month ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: VPE_0_9, VPE_1_0
Changes since 1.7: +1 -0 lines
Log Message:
*** empty log message ***

File Contents

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