1 | /* |
1 | /* |
2 | sockinfo.h -- socket address management |
2 | sockinfo.h -- socket address management |
3 | Copyright (C) 1998-2002 Ivo Timmermans <ivo@o2w.nl> |
3 | Copyright (C) 2003 Marc Lehmann <gvpe@schmorp.de> |
4 | 2000-2002 Guus Sliepen <guus@sliepen.eu.org> |
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5 | 2003 Marc Lehmannn <pcg@goof.com> |
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6 | |
4 | |
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5 | This file is part of GVPE. |
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6 | |
7 | This program is free software; you can redistribute it and/or modify |
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 |
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 |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. |
10 | (at your option) any later version. |
11 | |
11 | |
12 | 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, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
16 | |
16 | |
17 | 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 |
18 | along with this program; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
19 | 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 |
20 | */ |
20 | */ |
21 | |
21 | |
22 | #ifndef SOCKINFO_H__ |
22 | #ifndef GVPE_SOCKINFO_H__ |
23 | #define SOCKINFO_H__ |
23 | #define GVPE_SOCKINFO_H__ |
24 | |
24 | |
25 | #include <sys/socket.h> |
25 | #include "netcompat.h" |
26 | #include <netinet/in.h> |
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27 | |
26 | |
28 | #include "conf.h" |
27 | #include "conf.h" |
29 | |
28 | |
30 | // encapsulate one or more network addresses. this structure |
29 | // encapsulate one or more network addresses. this structure |
31 | // gets transferred over the wire, so be careful with endianness etc. |
30 | // gets transferred over the wire, so be careful with endianness etc. |
32 | struct sockinfo |
31 | struct sockinfo |
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32 | { |
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33 | u32 host; |
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34 | u16 port; |
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35 | u8 prot; |
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36 | u8 pad1; |
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37 | |
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38 | void set (const sockaddr_in *sa, u8 prot_); |
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39 | void set (const conf_node *conf, u8 prot_); |
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40 | void set (const char *hostname, u16 port_, u8 prot_); |
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41 | |
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42 | // return the supported protocols |
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43 | u8 supported_protocols (conf_node *conf = 0); |
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44 | bool upgrade_protocol (u8 prot_, conf_node *conf = 0); |
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45 | |
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46 | operator const char *() const; |
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47 | |
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48 | const sockaddr *sav4 () const; |
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49 | const socklen_t salenv4 () const |
33 | { |
50 | { |
34 | u32 host; |
51 | return sizeof (sockaddr_in); |
35 | u16 port; |
52 | } |
36 | u8 prot; |
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37 | u8 pad1; |
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38 | |
53 | |
39 | void set (const sockaddr_in *sa, u8 prot_ = PROT_UDPv4); |
54 | const char *ntoa () const; |
40 | void set (const conf_node *conf); |
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41 | |
55 | |
42 | operator const char *() const; |
56 | bool valid () const |
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57 | { |
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58 | return prot != 0 && host != 0; |
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59 | } |
43 | |
60 | |
44 | const sockaddr *sav4 () const; |
61 | sockinfo() { prot = 0; } |
45 | const socklen_t salenv4 () const |
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46 | { |
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47 | return sizeof (sockaddr_in); |
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48 | } |
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49 | |
62 | |
50 | const char *ntoa () const; |
63 | sockinfo(const char *hostname, u16 port, u8 prot) { set (hostname, port, prot); } |
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64 | sockinfo(const sockaddr_in &sa, u8 prot) { set (&sa, prot); } |
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65 | sockinfo(const conf_node *conf, u8 prot) { set (conf, prot); } |
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66 | }; |
51 | |
67 | |
52 | sockinfo() |
68 | bool operator == (const sockinfo &a, const sockinfo &b); |
53 | { |
69 | bool operator < (const sockinfo &a, const sockinfo &b); |
54 | prot = 0; |
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55 | } |
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56 | |
70 | |
57 | sockinfo(const sockaddr_in &sa, u8 prot_ = PROT_UDPv4) |
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58 | { |
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59 | set (&sa, prot_); |
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60 | } |
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61 | }; |
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62 | |
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63 | inline bool |
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64 | operator == (const sockinfo &a, const sockinfo &b) |
71 | inline bool operator != (const sockinfo &a, const sockinfo &b) |
65 | { |
72 | { |
66 | return a.host == b.host && a.port == b.port && a.prot == b.prot; |
73 | return !(a == b); |
67 | } |
74 | } |
68 | |
75 | |
69 | #endif |
76 | #endif |
70 | |
77 | |