1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/**
* @file llasynchostbyname.h
* @brief Wrapper for Windows asychronous DNS lookup functionality
*
* Copyright (c) 2003-2007, Linden Research, Inc.
*
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#ifndef LL_LLASYNCHOSTBYNAME_H
#define LL_LLASYNCHOSTBYNAME_H
#if LL_WINDOWS
//
// Only implemented on Windows
//
#define LL_WM_HOST_RESOLVED (WM_APP + 1)
typedef void (*LLAsyncHostByNameCallback)(BOOL success, const LLString& domain_name, U32 ip, void*);
class LLAsyncHostByName
{
public:
LLAsyncHostByName();
~LLAsyncHostByName();
BOOL startRequest( const LLString& domain_name, LLAsyncHostByNameCallback callback, void* userdata );
void handleMessage( const MSG& msg );
BOOL isPendingRequest() { return (mRequestHandle != 0); }
BOOL cancelPendingRequest();
static void handleMessageCallback(const MSG& msg);
private:
HANDLE mRequestHandle;
char mOutputBuffer[ MAXGETHOSTSTRUCT ]; /*Flawfinder: ignore*/
LLAsyncHostByNameCallback mCallback;
void* mUserdata;
LLString mDomainName;
};
extern LLAsyncHostByName gAsyncHostByName;
#else // LL_WINDOWS
// MBW -- Replicate this object on top of the posix gethostbyname() API.
// For now, it will be synchronous.
#include "llstring.h"
typedef void (*LLAsyncHostByNameCallback)(BOOL success, const LLString& domain_name, U32 ip, void*);
class LLAsyncHostByName
{
public:
LLAsyncHostByName();
~LLAsyncHostByName();
BOOL startRequest( const LLString& domain_name, LLAsyncHostByNameCallback callback, void* userdata );
BOOL isPendingRequest() { return FALSE; }
BOOL cancelPendingRequest();
private:
};
extern LLAsyncHostByName gAsyncHostByName;
#endif // !LL_WINDOWS
#endif // LL_LLASYNCHOSTBYNAME_H
|
