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/**
* @file llupdaterservice.cpp
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include <boost/format.hpp>
#include "llhttpclient.h"
#include "llsd.h"
#include "llupdatechecker.h"
#include "lluri.h"
#if LL_WINDOWS
#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
#endif
class LLUpdateChecker::Implementation:
public LLHTTPClient::Responder
{
public:
Implementation(Client & client);
~Implementation();
void check(std::string const & host, 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:
std::string buildUrl(std::string const & host, std::string channel, std::string version);
Client & mClient;
LLHTTPClient mHttpClient;
bool mInProgress;
LLHTTPClient::ResponderPtr mMe;
std::string mVersion;
LOG_CLASS(LLUpdateChecker::Implementation);
};
// LLUpdateChecker
//-----------------------------------------------------------------------------
LLUpdateChecker::LLUpdateChecker(LLUpdateChecker::Client & client):
mImplementation(new LLUpdateChecker::Implementation(client))
{
; // No op.
}
void LLUpdateChecker::check(std::string const & host, std::string channel, std::string version)
{
mImplementation->check(host, channel, version);
}
// LLUpdateChecker::Implementation
//-----------------------------------------------------------------------------
LLUpdateChecker::Implementation::Implementation(LLUpdateChecker::Client & client):
mClient(client),
mInProgress(false),
mMe(this)
{
; // No op.
}
LLUpdateChecker::Implementation::~Implementation()
{
mMe.reset(0);
}
void LLUpdateChecker::Implementation::check(std::string const & host, std::string channel, std::string version)
{
// llassert(!mInProgress);
mInProgress = true;
mVersion = version;
std::string checkUrl = buildUrl(host, channel, version);
LL_INFOS("UpdateCheck") << "checking for updates at " << checkUrl << llendl;
// The HTTP client will wrap a raw pointer in a boost::intrusive_ptr causing the
// passed object to be silently and automatically deleted. We pass a self-
// referential intrusive pointer stored as an attribute of this class to keep
// the client from deletig the update checker implementation instance.
mHttpClient.get(checkUrl, mMe);
}
void LLUpdateChecker::Implementation::completed(U32 status,
const std::string & reason,
const LLSD & content)
{
mInProgress = false;
if(status != 200) {
LL_WARNS("UpdateCheck") << "html error " << status << " (" << reason << ")" << llendl;
mClient.error(reason);
} else if(!content["valid"].asBoolean()) {
LL_INFOS("UpdateCheck") << "version invalid" << llendl;
LLURI uri(content["download_url"].asString());
mClient.requiredUpdate(content["latest_version"].asString(), uri);
} else if(content["latest_version"].asString() != mVersion) {
LL_INFOS("UpdateCheck") << "newer version " << content["latest_version"].asString() << " available" << llendl;
LLURI uri(content["download_url"].asString());
mClient.optionalUpdate(content["latest_version"].asString(), uri);
} else {
LL_INFOS("UpdateCheck") << "up to date" << llendl;
mClient.upToDate();
}
}
void LLUpdateChecker::Implementation::error(U32 status, const std::string & reason)
{
mInProgress = false;
LL_WARNS("UpdateCheck") << "update check failed; " << reason << llendl;
}
std::string LLUpdateChecker::Implementation::buildUrl(std::string const & host, std::string channel, std::string version)
{
LLSD path;
path.append("version");
path.append(channel);
path.append(version);
return LLURI::buildHTTP(host, path).asString();
}
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