Merged latest lindenlab/viewer-development with mani_linden/viewer-development

1 files changed, 194 insertions, 0 deletions

diff --git a/indra/viewer_components/updater/llupdatechecker.cpp b/indra/viewer_components/updater/llupdatechecker.cpp
new file mode 100644
index 0000000000..c6aa9b0f11
--- /dev/null
+++ b/indra/viewer_components/updater/llupdatechecker.cpp
@@ -0,0 +1,194 @@
+/** 
+ * @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 <stdexcept>
+#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::CheckError:
+	public std::runtime_error
+{
+public:
+	CheckError(const char * message):
+		std::runtime_error(message)
+	{
+		; // No op.
+	}
+};
+
+
+class LLUpdateChecker::Implementation:
+	public LLHTTPClient::Responder
+{
+public:
+	Implementation(Client & client);
+	~Implementation();
+	void check(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);
+};
+
+
+
+// LLUpdateChecker
+//-----------------------------------------------------------------------------
+
+
+LLUpdateChecker::LLUpdateChecker(LLUpdateChecker::Client & client):
+	mImplementation(new LLUpdateChecker::Implementation(client))
+{
+	; // No op.
+}
+
+
+void LLUpdateChecker::check(std::string const & protocolVersion, std::string const & hostUrl, 
+							std::string const & servicePath, std::string channel, std::string version)
+{
+	mImplementation->check(protocolVersion, hostUrl, servicePath, channel, version);
+}
+
+
+
+// LLUpdateChecker::Implementation
+//-----------------------------------------------------------------------------
+
+
+const char * LLUpdateChecker::Implementation::sProtocolVersion = "v1.0";
+
+
+LLUpdateChecker::Implementation::Implementation(LLUpdateChecker::Client & client):
+	mClient(client),
+	mInProgress(false)
+{
+	; // No op.
+}
+
+
+LLUpdateChecker::Implementation::~Implementation()
+{
+	; // No op.
+}
+
+
+void LLUpdateChecker::Implementation::check(std::string const & protocolVersion, std::string const & hostUrl, 
+											std::string const & servicePath, std::string channel, std::string version)
+{
+	llassert(!mInProgress);
+	
+	if(protocolVersion != sProtocolVersion) throw CheckError("unsupported protocol");
+		
+	mInProgress = true;
+	mVersion = version;
+	std::string checkUrl = buildUrl(protocolVersion, hostUrl, servicePath, 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 to which we add a reference to keep the
+	// client from deleting the update checker implementation instance.
+	LLHTTPClient::ResponderPtr temporaryPtr(this);
+	boost::intrusive_ptr_add_ref(temporaryPtr.get());
+	mHttpClient.get(checkUrl, temporaryPtr);
+}
+
+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.asBoolean()) {
+		LL_INFOS("UpdateCheck") << "up to date" << llendl;
+		mClient.upToDate();
+	} else if(content["required"].asBoolean()) {
+		LL_INFOS("UpdateCheck") << "version invalid" << llendl;
+		LLURI uri(content["url"].asString());
+		mClient.requiredUpdate(content["version"].asString(), uri, content["hash"].asString());
+	} else {
+		LL_INFOS("UpdateCheck") << "newer version " << content["version"].asString() << " available" << llendl;
+		LLURI uri(content["url"].asString());
+		mClient.optionalUpdate(content["version"].asString(), uri, content["hash"].asString());
+	}
+}
+
+
+void LLUpdateChecker::Implementation::error(U32 status, const std::string & reason)
+{
+	mInProgress = false;
+	LL_WARNS("UpdateCheck") << "update check failed; " << reason << llendl;
+	mClient.error(reason);
+}
+
+
+std::string LLUpdateChecker::Implementation::buildUrl(std::string const & protocolVersion, std::string const & hostUrl, 
+													  std::string const & servicePath, std::string channel, std::string version)
+{	
+#ifdef LL_WINDOWS
+	static const char * platform = "win";
+#elif LL_DARWIN
+	static const char * platform = "mac";
+#else
+	static const char * platform = "lnx";
+#endif
+	
+	LLSD path;
+	path.append(servicePath);
+	path.append(protocolVersion);
+	path.append(channel);
+	path.append(version);
+	path.append(platform);
+	return LLURI::buildHTTP(hostUrl, path).asString();
+}