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/cvs/gvpe/src/sockinfo.h
Revision: 1.14
Committed: Sun Dec 2 00:09:36 2007 UTC (16 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.13: +34 -34 lines
Log Message:
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File Contents

# Content
1 /*
2 sockinfo.h -- socket address management
3 Copyright (C) 2003 Marc Lehmann <gvpe@schmorp.de>
4
5 This file is part of GVPE.
6
7 GVPE is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with gvpe; if not, write to the Free Software
19 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef GVPE_SOCKINFO_H__
23 #define GVPE_SOCKINFO_H__
24
25 #include "netcompat.h"
26
27 #include "conf.h"
28
29 // encapsulate one or more network addresses. this structure
30 // gets transferred over the wire, so be careful with endianness etc.
31 struct sockinfo
32 {
33 u32 host;
34 u16 port;
35 u8 prot;
36 u8 pad1;
37
38 void set (const sockaddr_in *sa, u8 prot_);
39 void set (const conf_node *conf, u8 prot_);
40 void set (const char *hostname, u16 port_, u8 prot_);
41
42 // return the supported protocols
43 u8 supported_protocols (conf_node *conf = 0);
44 bool upgrade_protocol (u8 prot_, conf_node *conf = 0);
45
46 operator const char *() const;
47
48 const sockaddr *sav4 () const;
49 const socklen_t salenv4 () const
50 {
51 return sizeof (sockaddr_in);
52 }
53
54 const char *ntoa () const;
55
56 bool valid () const
57 {
58 return prot != 0 && host != 0;
59 }
60
61 sockinfo() { prot = 0; }
62
63 sockinfo(const char *hostname, u16 port, u8 prot) { set (hostname, port, prot); }
64 sockinfo(const sockaddr_in &sa, u8 prot) { set (&sa, prot); }
65 sockinfo(const conf_node *conf, u8 prot) { set (conf, prot); }
66 };
67
68 bool operator == (const sockinfo &a, const sockinfo &b);
69 bool operator < (const sockinfo &a, const sockinfo &b);
70
71 inline bool operator != (const sockinfo &a, const sockinfo &b)
72 {
73 return !(a == b);
74 }
75
76 #endif
77