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/**
* @file llpacketack.h
* @brief Reliable UDP helpers for the message system.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2007, 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.
* $/LicenseInfo$
*/
#ifndef LL_LLPACKETACK_H
#define LL_LLPACKETACK_H
#include "llhost.h"
class LLReliablePacketParams
{
public:
LLHost mHost;
S32 mRetries;
BOOL mPingBasedRetry;
F32 mTimeout;
void (*mCallback)(void **,S32);
void** mCallbackData;
char* mMessageName;
public:
LLReliablePacketParams()
{
clear();
};
~LLReliablePacketParams() { };
void clear()
{
mHost.invalidate();
mRetries = 0;
mPingBasedRetry = TRUE;
mTimeout = 0.f;
mCallback = NULL;
mCallbackData = NULL;
mMessageName = NULL;
};
void set(
const LLHost& host,
S32 retries,
BOOL ping_based_retry,
F32 timeout,
void (*callback)(void**,S32),
void** callback_data, char* name)
{
mHost = host;
mRetries = retries;
mPingBasedRetry = ping_based_retry;
mTimeout = timeout;
mCallback = callback;
mCallbackData = callback_data;
mMessageName = name;
};
};
class LLReliablePacket
{
public:
LLReliablePacket(
S32 socket,
U8* buf_ptr,
S32 buf_len,
LLReliablePacketParams* params);
~LLReliablePacket()
{
mCallback = NULL;
delete [] mBuffer;
mBuffer = NULL;
};
friend class LLCircuitData;
protected:
S32 mSocket;
LLHost mHost;
S32 mRetries;
BOOL mPingBasedRetry;
F32 mTimeout;
void (*mCallback)(void**,S32);
void** mCallbackData;
char* mMessageName;
U8* mBuffer;
S32 mBufferLength;
TPACKETID mPacketID;
F64 mExpirationTime;
};
#endif
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