Mercurial > hg > truffle
comparison agent/src/os/win32/initWinsock.cpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 2000 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 #include <iostream> | |
26 #include <winsock2.h> | |
27 | |
28 using namespace std; | |
29 | |
30 void | |
31 initWinsock() | |
32 { | |
33 static int initted = 0; | |
34 WORD wVersionRequested; | |
35 WSADATA wsaData; | |
36 int err; | |
37 | |
38 if (!initted) { | |
39 wVersionRequested = MAKEWORD( 2, 0 ); | |
40 | |
41 err = WSAStartup( wVersionRequested, &wsaData ); | |
42 if ( err != 0 ) { | |
43 { | |
44 /* Tell the user that we couldn't find a usable */ | |
45 /* WinSock DLL. */ | |
46 cerr << "SocketBase::SocketBase: unable to find usable " | |
47 << "WinSock DLL" << endl; | |
48 exit(1); | |
49 } | |
50 } | |
51 | |
52 /* Confirm that the WinSock DLL supports 2.0.*/ | |
53 /* Note that if the DLL supports versions greater */ | |
54 /* than 2.0 in addition to 2.0, it will still return */ | |
55 /* 2.0 in wVersion since that is the version we */ | |
56 /* requested. */ | |
57 | |
58 if ( LOBYTE( wsaData.wVersion ) != 2 || | |
59 HIBYTE( wsaData.wVersion ) != 0 ) { | |
60 /* Tell the user that we couldn't find a usable */ | |
61 /* WinSock DLL. */ | |
62 { | |
63 cerr << "Unable to find suitable version of WinSock DLL" << endl; | |
64 WSACleanup( ); | |
65 exit(1); | |
66 } | |
67 } | |
68 | |
69 initted = 1; | |
70 } | |
71 } |