Imported existing code

indra/newview/llsrv.cpp

@@ -0,0 +1,70 @@
+/** 
+ * @file llsrv.cpp
+ * @brief Wrapper for DNS SRV record lookups
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llsrv.h"
+#include "llares.h"
+
+struct Responder : public LLAres::UriRewriteResponder
+{
+	std::vector<std::string> mUris;
+	void rewriteResult(const std::vector<std::string> &uris) {
+		for (size_t i = 0; i < uris.size(); i++)
+		{
+			llinfos << "[" << i << "] " << uris[i] << llendl;
+		}
+		mUris = uris;
+	}
+};
+
+std::vector<std::string> LLSRV::rewriteURI(const std::string& uri)
+{
+	LLPointer<Responder> resp = new Responder;
+
+	gAres->rewriteURI(uri, resp);
+ 	gAres->processAll();
+
+	// It's been observed in deployment that c-ares can return control
+	// to us without firing all of our callbacks, in which case the
+	// returned vector will be empty, instead of a singleton as we
+	// might wish.
+
+	if (!resp->mUris.empty())
+	{
+		return resp->mUris;
+	}
+
+	std::vector<std::string> uris;
+	uris.push_back(uri);
+	return uris;
+}