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113 lines
4.0 KiB
113 lines
4.0 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program 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 |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#include "hsStream.h" |
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#include "hsStlUtils.h" |
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// |
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// In-memory only |
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// Erase function lets you cut a chunk out of the middle of the stream |
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// |
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class hsVectorStream : public hsStream |
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{ |
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protected: |
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std::vector<Byte> fVector; |
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UInt32 fEnd; // End of file (one past the last byte) |
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public: |
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hsVectorStream(); |
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hsVectorStream(UInt32 chunkSize); |
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virtual ~hsVectorStream(); |
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virtual hsBool Open(const char *, const char *) { hsAssert(0, "hsVectorStream::Open Not Implemented"); return false; } |
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virtual hsBool Open(const wchar *, const wchar *) { hsAssert(0, "hsVectorStream::Open Not Implemented"); return false; } |
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virtual hsBool Close() { hsAssert(0, "hsVectorStream::Close Not Implemented"); return false; } |
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virtual hsBool AtEnd(); |
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virtual UInt32 Read(UInt32 byteCount, void * buffer); |
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virtual UInt32 Write(UInt32 byteCount, const void* buffer); |
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virtual void Skip(UInt32 deltaByteCount); |
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virtual void Rewind(); |
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virtual void FastFwd(); |
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virtual void Truncate(); |
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virtual UInt32 GetEOF(); |
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virtual void CopyToMem(void* mem); |
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virtual void Reset(); // clears the buffers |
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// Erase number of bytes at the current position |
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virtual void Erase(UInt32 bytes); |
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// A pointer to the beginning of the data in the stream. This is only valid |
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// until someone modifies the stream. |
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const void *GetData(); |
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// In case you want to try and be efficient with your memory allocations |
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void Reserve(UInt32 bytes) { fVector.reserve(bytes); } |
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}; |
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#ifdef HS_BUILD_FOR_WIN32 |
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#include "hsWindows.h" |
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class hsNamedPipeStream : public hsStream |
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{ |
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protected: |
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HANDLE fPipe; |
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OVERLAPPED fOverlap; |
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hsBool fReadMode; // True for read, false for write |
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UInt8 fFlags; |
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UInt32 fTimeout; |
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hsBool ICheckOverlappedResult(BOOL result, UInt32 &numTransferred); |
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hsBool IRead(UInt32 byteCount, void *buffer, UInt32 &numRead); |
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hsBool IWrite(UInt32 byteCount, const void *buffer, UInt32 &numWritten); |
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public: |
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enum { kThrowOnError = 1 }; // Throws if a read or write operation fails |
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hsNamedPipeStream(UInt8 flags=0, UInt32 timeout=INFINITE); |
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virtual ~hsNamedPipeStream(); |
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// The server (writer) and client (reader) need to open the same file. |
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// The format is "\\.\pipe\pipeName". The '.' can be replaced with a |
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// computer name to do it over the network. 'pipeName' is whatever you |
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// want. |
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virtual hsBool Open(const char *name, const char *mode); |
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virtual hsBool Open(const wchar *name, const wchar *mode); |
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virtual hsBool Close(); |
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virtual UInt32 Read(UInt32 byteCount, void *buffer); |
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virtual UInt32 Write(UInt32 byteCount, const void *buffer); |
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virtual void Skip(UInt32 deltaByteCount); |
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virtual void Rewind(); |
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// - For the server (writer) only - |
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// After calling open, signal your client to start reading and call this function. |
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// If a client connects, this will return true and you can start writing. If it |
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// returns false, close the pipe, it ain't happening. |
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hsBool WaitForClientConnect(); |
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}; |
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#endif // HS_BUILD_FOR_WIN32
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