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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/**
* @file llupdatechecker.h
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_UPDATERCHECKER_H
#define LL_UPDATERCHECKER_H
#include <boost/shared_ptr.hpp>
#include "llhttpclient.h"
//
// Implements asynchronous checking for updates.
//
class LLUpdateChecker {
public:
class Client;
class Implementation:
public LLHTTPClient::Responder
{
public:
Implementation(Client & client);
~Implementation();
void checkVersion(std::string const & protocolVersion, std::string const & hostUrl,
std::string const & servicePath, std::string channel, std::string version);
// Responder:
virtual void completed(U32 status,
const std::string & reason,
const LLSD& content);
virtual void error(U32 status, const std::string & reason);
private:
static const char * sProtocolVersion;
Client & mClient;
LLHTTPClient mHttpClient;
bool mInProgress;
std::string mVersion;
std::string buildUrl(std::string const & protocolVersion, std::string const & hostUrl,
std::string const & servicePath, std::string channel, std::string version);
LOG_CLASS(LLUpdateChecker::Implementation);
};
// An exception that may be raised on check errors.
class CheckError;
LLUpdateChecker(Client & client);
// Check status of current app on the given host for the channel and version provided.
void checkVersion(std::string const & protocolVersion, std::string const & hostUrl,
std::string const & servicePath, std::string channel, std::string version);
private:
LLPointer<Implementation> mImplementation;
};
class LLURI; // From lluri.h
//
// The client interface implemented by a requestor checking for an update.
//
class LLUpdateChecker::Client
{
public:
// An error occurred while checking for an update.
virtual void error(std::string const & message) = 0;
// A newer version is available, but the current version may still be used.
virtual void optionalUpdate(std::string const & newVersion,
LLURI const & uri,
std::string const & hash) = 0;
// A newer version is available, and the current version is no longer valid.
virtual void requiredUpdate(std::string const & newVersion,
LLURI const & uri,
std::string const & hash) = 0;
// The checked version is up to date; no newer version exists.
virtual void upToDate(void) = 0;
};
#endif
|
