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/**
* @file llpacketack.h
* @brief Reliable UDP helpers for the message system.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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_LLPACKETACK_H
#define LL_LLPACKETACK_H
#include "llhost.h"
#include "llunits.h"
class LLReliablePacketParams
{
public:
LLHost mHost;
S32 mRetries;
bool mPingBasedRetry;
F32Seconds mTimeout;
void (*mCallback)(void **,S32);
void** mCallbackData;
char* mMessageName;
public:
LLReliablePacketParams()
{
clear();
};
~LLReliablePacketParams() { };
void clear()
{
mHost.invalidate();
mRetries = 0;
mPingBasedRetry = true;
mTimeout = F32Seconds(0.f);
mCallback = NULL;
mCallbackData = NULL;
mMessageName = NULL;
};
void set(
const LLHost& host,
S32 retries,
bool ping_based_retry,
F32Seconds 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;
F32Seconds mTimeout;
void (*mCallback)(void**,S32);
void** mCallbackData;
char* mMessageName;
U8* mBuffer;
S32 mBufferLength;
TPACKETID mPacketID;
F64Seconds mExpirationTime;
};
#endif
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