shell of the update checker; it will just print a message to the log depending on the result of the check one time.

5 files changed, 236 insertions, 3 deletions

diff --git a/indra/viewer_components/updater/CMakeLists.txt b/indra/viewer_components/updater/CMakeLists.txt
index a8a1d685f7..2e77a7140a 100644
--- a/indra/viewer_components/updater/CMakeLists.txt
+++ b/indra/viewer_components/updater/CMakeLists.txt
@@ -18,10 +18,12 @@ include_directories(
 
 set(updater_service_SOURCE_FILES
     llupdaterservice.cpp
+    llupdatechecker.cpp
     )
 
 set(updater_service_HEADER_FILES
     llupdaterservice.h
+    llupdatechecker.h
     )
 
 set_source_files_properties(${updater_service_HEADER_FILES}
diff --git a/indra/viewer_components/updater/llupdatechecker.cpp b/indra/viewer_components/updater/llupdatechecker.cpp
new file mode 100644
index 0000000000..a19b8be607
--- /dev/null
+++ b/indra/viewer_components/updater/llupdatechecker.cpp
@@ -0,0 +1,131 @@
+/** 
+ * @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 "llupdatechecker.h"
+
+
+class LLUpdateChecker::Implementation:
+	public LLHTTPClient::Responder
+{
+public:
+	
+	Implementation(Client & client);
+	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;
+	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)
+{
+	; // No op.
+}
+
+
+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;
+	mHttpClient.get(checkUrl, this);
+}
+
+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;
+	} else if(!content["valid"].asBoolean()) {
+		LL_INFOS("UpdateCheck") << "version invalid" << llendl;
+	} else if(content["latest_version"].asString() != mVersion) {
+		LL_INFOS("UpdateCheck") << "newer version " << content["latest_version"].asString() << " available" << llendl;
+	} else {
+		LL_INFOS("UpdateCheck") << "up to date" << llendl;
+	}
+}
+
+
+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)
+{	
+	static boost::format urlFormat("%s/version/%s/%s");
+	urlFormat % host % channel % version;
+	return urlFormat.str();
+}
+
diff --git a/indra/viewer_components/updater/llupdatechecker.h b/indra/viewer_components/updater/llupdatechecker.h
new file mode 100644
index 0000000000..d2ec848e14
--- /dev/null
+++ b/indra/viewer_components/updater/llupdatechecker.h
@@ -0,0 +1,69 @@
+/** 
+ * @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>
+
+
+//
+// Implements asynchronous checking for updates.
+//
+class LLUpdateChecker {
+public:
+	class Client;
+	class Implementation;
+	
+	LLUpdateChecker(Client & client);
+	
+	// Check status of current app on the given host for the channel and version provided.
+	void check(std::string const & hostUrl, std::string channel, std::string version);
+private:
+	boost::shared_ptr<Implementation> mImplementation;
+};
+
+
+//
+// The client interface implemented by a requestor checking for an update.
+//
+class LLUpdateChecker::Client
+{
+	// 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) = 0;
+	
+	// A newer version is available, and the current version is no longer valid. 
+	virtual void requiredUpdate(std::string const & newVersion) = 0;
+	
+	// The checked version is up to date; no newer version exists.
+	virtual void upToDate(void) = 0;
+};
+
+
+#endif
diff --git a/indra/viewer_components/updater/llupdaterservice.cpp b/indra/viewer_components/updater/llupdaterservice.cpp
index 28c942b5f2..e0f23722dd 100644
--- a/indra/viewer_components/updater/llupdaterservice.cpp
+++ b/indra/viewer_components/updater/llupdaterservice.cpp
@@ -26,6 +26,7 @@
 #include "linden_common.h"
 
 #include "llupdaterservice.h"
+#include "llupdatechecker.h"
 
 #include "llpluginprocessparent.h"
 #include <boost/scoped_ptr.hpp>
@@ -33,7 +34,9 @@
 
 boost::weak_ptr<LLUpdaterServiceImpl> gUpdater;
 
-class LLUpdaterServiceImpl : public LLPluginProcessParentOwner
+class LLUpdaterServiceImpl : 
+	public LLPluginProcessParentOwner,
+	public LLUpdateChecker::Client
 {
 	std::string mUrl;
 	std::string mChannel;
@@ -42,7 +45,9 @@ class LLUpdaterServiceImpl : public LLPluginProcessParentOwner
 	unsigned int mCheckPeriod;
 	bool mIsChecking;
 	boost::scoped_ptr<LLPluginProcessParent> mPlugin;
-
+	
+	LLUpdateChecker mUpdateChecker;
+	
 public:
 	LLUpdaterServiceImpl();
 	virtual ~LLUpdaterServiceImpl() {}
@@ -62,12 +67,21 @@ public:
 	void startChecking();
 	void stopChecking();
 	bool isChecking();
+	
+	// LLUpdateChecker::Client:
+	virtual void error(std::string const & message);
+	virtual void optionalUpdate(std::string const & newVersion);
+	virtual void requiredUpdate(std::string const & newVersion);
+	virtual void upToDate(void);
+	
 };
 
+
 LLUpdaterServiceImpl::LLUpdaterServiceImpl() :
 	mIsChecking(false),
 	mCheckPeriod(0),
-	mPlugin(0)
+	mPlugin(0),
+	mUpdateChecker(*this)
 {
 	// Create the plugin parent, this is the owner.
 	mPlugin.reset(new LLPluginProcessParent(this));
@@ -121,6 +135,8 @@ void LLUpdaterServiceImpl::startChecking()
 				"LLUpdaterService::startCheck().");
 		}
 		mIsChecking = true;
+		
+		mUpdateChecker.check(mUrl, mChannel, mVersion);
 	}
 }
 
@@ -137,6 +153,15 @@ bool LLUpdaterServiceImpl::isChecking()
 	return mIsChecking;
 }
 
+void LLUpdaterServiceImpl::error(std::string const & message) {}
+
+void LLUpdaterServiceImpl::optionalUpdate(std::string const & newVersion) {}
+
+void LLUpdaterServiceImpl::requiredUpdate(std::string const & newVersion) {}
+
+void LLUpdaterServiceImpl::upToDate(void) {}
+
+
 //-----------------------------------------------------------------------
 // Facade interface
 LLUpdaterService::LLUpdaterService()
diff --git a/indra/viewer_components/updater/tests/llupdaterservice_test.cpp b/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
index 73cf6ea6eb..d93a85cf7d 100644
--- a/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
+++ b/indra/viewer_components/updater/tests/llupdaterservice_test.cpp
@@ -28,6 +28,7 @@
 #include "linden_common.h"

 // associated header

 #include "../llupdaterservice.h"

+#include "../llupdatechecker.h"

 

 #include "../../../test/lltut.h"

 //#define DEBUG_ON

@@ -54,6 +55,11 @@ int LLPluginMessagePipeOwner::socketError(int) { return 0; }
 void LLPluginProcessParent::setMessagePipe(LLPluginMessagePipe *message_pipe) {}

 void LLPluginMessagePipeOwner::setMessagePipe(class LLPluginMessagePipe *) {}

 LLPluginMessage::~LLPluginMessage() {}

+LLPluginMessage::LLPluginMessage(LLPluginMessage const&) {}

+

+LLUpdateChecker::LLUpdateChecker(LLUpdateChecker::Client & client)

+{}

+void LLUpdateChecker::check(std::string const & host, std::string channel, std::string version){}

 

 /*****************************************************************************

 *   TUT