ade3c10a1a
- DataTreeCore: - Add GetLen() method to get length of (text) value - FileCore: - Minor fix: rename MaxLen -> Len
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/*
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* FileCore.h
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*
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* Created on: 1 Jun 2016
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* Author: wentzelc
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*/
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#ifndef JOANETELEMETRY_FILECORE_H_
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#define JOANETELEMETRY_FILECORE_H_
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// Standard C/C++ Libraries
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/* none */
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// redA Libraries
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#include "FunctionCore.h"
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//---------------------------------------------------------------------------
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const int NO_FD = -1;
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typedef struct SFileHandle TFileHandle;
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struct SFileHandle
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{
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char * Name; // Quick reference
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char * Path; // Actual location of file
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int FD; // File Descriptor
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bool Append; // Append data to end of file
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bool Persistent; // Keep file open after write
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timeval PersistTime; // Time opened/last written to
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bool PersistTimeout; // Time to remain open, 0 = permanently open
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TFileHandle * Next;
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};
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//---------------------------------------------------------------------------
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class CFileCore : public CFunctionCore
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{
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private:
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// File
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TFileHandle * FirstFile;
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// Manage File
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virtual bool OpenFile( TFileHandle * FileHandle );
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virtual bool CloseFile( TFileHandle * FileHandle );
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virtual int ReadFromFD( int FD, char * Data, int MaxLen );
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virtual int WriteToFD( int FD, const char * Data, int Len );
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inline TFileHandle * GetFile( const char * Name ) {
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if (!Name || !*Name) return NULL;
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TFileHandle * FileHandle = FirstFile;
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while (FileHandle && strcmp( Name, FileHandle->Name ))
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FileHandle = FileHandle->Next;
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return FileHandle;
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};
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inline bool isOpen( TFileHandle * FileHandle ) { return (FileHandle->FD != NO_FD); };
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public:
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// Life cycle
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CFileCore( const char * pName, const char * pType = "File" );
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virtual ~CFileCore();
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// Manage files
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virtual TFileHandle * AddFile( const char * Name, const char * Path, bool Append = true, bool CreateChannel = true );
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virtual bool SetFilePersistence( TFileHandle * FileHandle, bool Persistent, int PersistTimeout );
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// Data Input
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virtual int Input( const char * ChannelName, const char * Data, int Len = -1 );
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// Processing data
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virtual bool Process();
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};
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//---------------------------------------------------------------------------
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#endif /* JOANETELEMETRY_FILECORE_H_ */
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