/* * Copyright (c) 2016 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef __SHARED_MEMORY_SERVER__ #define __SHARED_MEMORY_SERVER__ #include <stdlib.h> #include <string> #include "SharedMemoryCommon.h" class SharedMemoryServer { protected: std::string mSegmentName, mFileName; size_t mSegmentSize; uid_t mUID; u_int8_t* mSegment; u_int8_t* mDataArea; u_int8_t* mDataPtr; u_int8_t* mDataMax; int mBackingFile; void WriteOffset (SegmentOffsetType offset); void WriteData (const void* data, SegmentOffsetType length); public: SharedMemoryServer (const char* segmentName, SegmentOffsetType segmentSize, uid_t uid = 0, gid_t gid = 0); virtual ~SharedMemoryServer (); void WriteMessage (SegmentOffsetType domain, SegmentOffsetType event, const void *message, SegmentOffsetType messageLength); const char* GetSegmentName (); size_t GetSegmentSize (); void SetProducerOffset (SegmentOffsetType producerOffset); }; #endif