117 lines
2.4 KiB
C++
117 lines
2.4 KiB
C++
/**
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* @file llpacketack.h
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* @brief Reliable UDP helpers for the message system.
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLPACKETACK_H
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#define LL_LLPACKETACK_H
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#include "llhost.h"
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#include "llunits.h"
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class LLReliablePacketParams
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{
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public:
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LLHost mHost;
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S32 mRetries;
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BOOL mPingBasedRetry;
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F32Seconds mTimeout;
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void (*mCallback)(void **,S32);
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void** mCallbackData;
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char* mMessageName;
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public:
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LLReliablePacketParams()
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{
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clear();
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};
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~LLReliablePacketParams() { };
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void clear()
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{
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mHost.invalidate();
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mRetries = 0;
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mPingBasedRetry = TRUE;
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mTimeout = F32Seconds(0.f);
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mCallback = NULL;
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mCallbackData = NULL;
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mMessageName = NULL;
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};
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void set(
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const LLHost& host,
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S32 retries,
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BOOL ping_based_retry,
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F32Seconds timeout,
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void (*callback)(void**,S32),
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void** callback_data, char* name)
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{
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mHost = host;
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mRetries = retries;
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mPingBasedRetry = ping_based_retry;
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mTimeout = timeout;
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mCallback = callback;
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mCallbackData = callback_data;
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mMessageName = name;
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};
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};
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class LLReliablePacket
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{
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public:
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LLReliablePacket(
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S32 socket,
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U8* buf_ptr,
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S32 buf_len,
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LLReliablePacketParams* params);
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~LLReliablePacket()
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{
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mCallback = NULL;
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delete [] mBuffer;
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mBuffer = NULL;
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};
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friend class LLCircuitData;
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protected:
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S32 mSocket;
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LLHost mHost;
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S32 mRetries;
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BOOL mPingBasedRetry;
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F32Seconds mTimeout;
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void (*mCallback)(void**,S32);
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void** mCallbackData;
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char* mMessageName;
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U8* mBuffer;
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S32 mBufferLength;
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TPACKETID mPacketID;
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F64Seconds mExpirationTime;
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};
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#endif
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