llpacketack.h
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- /**
- * @file llpacketack.h
- * @brief Reliable UDP helpers for the message system.
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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.
- * $/LicenseInfo$
- */
- #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