| 1 | /* |
1 | /* |
| 2 | sockinfo.h -- socket address management |
2 | sockinfo.h -- socket address management |
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3 | Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
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4 | |
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5 | This file is part of GVPE. |
| 3 | |
6 | |
| 4 | Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify it |
| 7 | it under the terms of the GNU General Public License as published by |
8 | under the terms of the GNU General Public License as published by the |
| 8 | the Free Software Foundation; either version 2 of the License, or |
9 | Free Software Foundation; either version 3 of the License, or (at your |
| 9 | (at your option) any later version. |
10 | option) any later version. |
| 10 | |
11 | |
| 11 | 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, but |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
| 14 | GNU General Public License for more details. |
15 | Public License for more details. |
| 15 | |
16 | |
| 16 | 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 along |
| 17 | along with this program; if not, write to the Free Software |
18 | with this program; if not, see <http://www.gnu.org/licenses/>. |
| 18 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | |
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20 | Additional permission under GNU GPL version 3 section 7 |
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21 | |
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22 | If you modify this Program, or any covered work, by linking or |
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23 | combining it with the OpenSSL project's OpenSSL library (or a modified |
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24 | version of that library), containing parts covered by the terms of the |
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25 | OpenSSL or SSLeay licenses, the licensors of this Program grant you |
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26 | additional permission to convey the resulting work. Corresponding |
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27 | Source for a non-source form of such a combination shall include the |
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28 | source code for the parts of OpenSSL used as well as that of the |
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29 | covered work. |
| 19 | */ |
30 | */ |
| 20 | |
31 | |
| 21 | #ifndef VPE_SOCKINFO_H__ |
32 | #ifndef GVPE_SOCKINFO_H__ |
| 22 | #define VPE_SOCKINFO_H__ |
33 | #define GVPE_SOCKINFO_H__ |
| 23 | |
34 | |
| 24 | #include <sys/socket.h> |
35 | #include "netcompat.h" |
| 25 | #include <netinet/in.h> |
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| 26 | |
36 | |
| 27 | #include "conf.h" |
37 | #include "conf.h" |
| 28 | |
38 | |
| 29 | // encapsulate one or more network addresses. this structure |
39 | // encapsulate one or more network addresses. this structure |
| 30 | // gets transferred over the wire, so be careful with endianness etc. |
40 | // gets transferred over the wire, so be careful with endianness etc. |
| 31 | struct sockinfo |
41 | struct sockinfo |
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42 | { |
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43 | u32 host; |
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44 | u16 port; |
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45 | u8 prot; |
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46 | u8 pad1; |
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47 | |
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48 | void set (const sockaddr_in *sa, u8 prot_); |
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49 | void set (const conf_node *conf, u8 prot_); |
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50 | void set (const char *hostname, u16 port_, u8 prot_); |
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51 | |
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52 | // return the supported protocols |
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53 | u8 supported_protocols (conf_node *conf = 0); |
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54 | bool upgrade_protocol (u8 prot_, conf_node *conf = 0); |
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55 | |
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56 | operator const char *() const; |
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57 | |
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58 | const sockaddr *sav4 () const; |
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59 | const socklen_t salenv4 () const |
| 32 | { |
60 | { |
| 33 | u32 host; |
61 | return sizeof (sockaddr_in); |
| 34 | u16 port; |
62 | } |
| 35 | u8 prot; |
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| 36 | u8 pad1; |
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| 37 | |
63 | |
| 38 | void set (const sockaddr_in *sa, u8 prot_); |
64 | const char *ntoa () const; |
| 39 | void set (const conf_node *conf, u8 prot_); |
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| 40 | |
65 | |
| 41 | operator const char *() const; |
66 | bool valid () const |
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67 | { |
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68 | return prot != 0 && host != 0; |
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69 | } |
| 42 | |
70 | |
| 43 | const sockaddr *sav4 () const; |
71 | sockinfo() { prot = 0; } |
| 44 | const socklen_t salenv4 () const |
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| 45 | { return sizeof (sockaddr_in); } |
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| 46 | |
72 | |
| 47 | const char *ntoa () const; |
73 | sockinfo(const char *hostname, u16 port, u8 prot) { set (hostname, port, prot); } |
| 48 | |
74 | sockinfo(const sockaddr_in &sa, u8 prot) { set (&sa, prot); } |
| 49 | bool valid () const |
75 | sockinfo(const conf_node *conf, u8 prot) { set (conf, prot); } |
| 50 | { return prot != 0 && host != 0; } |
76 | }; |
| 51 | |
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| 52 | sockinfo() { prot = 0; } |
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| 53 | |
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| 54 | sockinfo(const sockaddr_in &sa, u8 prot) |
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| 55 | { set (&sa, prot); } |
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| 56 | |
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| 57 | sockinfo(const conf_node *conf, u8 prot) |
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| 58 | { set (conf, prot); } |
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| 59 | }; |
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| 60 | |
77 | |
| 61 | bool operator == (const sockinfo &a, const sockinfo &b); |
78 | bool operator == (const sockinfo &a, const sockinfo &b); |
| 62 | bool operator < (const sockinfo &a, const sockinfo &b); |
79 | bool operator < (const sockinfo &a, const sockinfo &b); |
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80 | |
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81 | inline bool operator != (const sockinfo &a, const sockinfo &b) |
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82 | { |
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83 | return !(a == b); |
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84 | } |
| 63 | |
85 | |
| 64 | #endif |
86 | #endif |
| 65 | |
87 | |
