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/**
* @file llsrv.h
* @brief Wrapper for DNS SRV record lookups
*
* Copyright (c) 2007-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#ifndef LL_LLSRV_H
#define LL_LLSRV_H
class LLSRV;
class LLSRVRecord
{
friend class LLSRV;
protected:
U16 mPriority;
U16 mWeight;
std::string mTarget;
U16 mPort;
public:
LLSRVRecord(U16 priority, U16 weight, const std::string& target,
U16 port) :
mPriority(priority),
mWeight(weight),
mTarget(target),
mPort(port) {
}
U16 priority() const { return mPriority; }
U16 weight() const { return mWeight; }
const std::string& target() const { return mTarget; }
U16 port() const { return mPort; }
struct ComparePriorityLowest
{
bool operator()(const LLSRVRecord& lhs, const LLSRVRecord& rhs)
{
return lhs.mPriority < rhs.mPriority;
}
};
};
class LLSRV
{
protected:
#ifndef LL_WINDOWS
static std::vector<LLSRVRecord> parseResponse(const unsigned char *response,
int resp_len);
#endif
static std::vector<LLSRVRecord> reorder(std::vector<LLSRVRecord>& recs);
public:
static std::vector<LLSRVRecord> query(const std::string& name);
static std::vector<std::string> rewriteURI(const std::string& uri);
};
#endif // LL_LLSRV_H
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