00001 /* @(#) $Id: ZStreamRW_FIFO.h,v 1.1 2007/07/16 17:55:01 agreen Exp $ */ 00002 00003 /* ------------------------------------------------------------ 00004 Copyright (c) 2007 Andrew Green 00005 http://www.zoolib.org 00006 00007 Permission is hereby granted, free of charge, to any person obtaining a copy 00008 of this software and associated documentation files (the "Software"), to deal 00009 in the Software without restriction, including without limitation the rights 00010 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00011 copies of the Software, and to permit persons to whom the Software is 00012 furnished to do so, subject to the following conditions: 00013 00014 The above copyright notice and this permission notice shall be included in 00015 all copies or substantial portions of the Software. 00016 00017 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00018 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00019 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00020 COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 00021 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 00022 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00023 ------------------------------------------------------------ */ 00024 00025 #ifndef __ZStreamRW_FIFO__ 00026 #define __ZStreamRW_FIFO__ 1 00027 00028 #include "zconfig.h" 00029 00030 #include "ZStream.h" 00031 #include "ZThread.h" 00032 00033 #include <deque> 00034 00035 // ================================================================================================= 00036 #pragma mark - 00037 #pragma mark * ZStreamRW_FIFO 00038 00041 class ZStreamRW_FIFO : public ZStreamR, public ZStreamW 00042 { 00043 public: 00044 ZStreamRW_FIFO(); 00045 ZStreamRW_FIFO(size_t iMaxSize); 00046 ~ZStreamRW_FIFO(); 00047 00048 // From ZStreamR 00049 virtual void Imp_Read(void* iDest, size_t iCount, size_t* oCountRead); 00050 virtual size_t Imp_CountReadable(); 00051 00052 // From ZStreamW 00053 virtual void Imp_Write(const void* iSource, size_t iCount, size_t* oCountWritten); 00054 00055 // Our protocol 00056 void Close(); 00057 bool IsClosed(); 00058 00059 private: 00060 ZMutex fMutex; 00061 ZCondition fCondition; 00062 bool fClosed; 00063 size_t fMaxSize; 00064 std::deque<uint8> fBuffer; 00065 }; 00066 00067 #endif // __ZStreamRW_FIFO__
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