109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
#ifndef LOG_FILE_H_
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#define LOG_FILE_H_
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//framework
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#include "log.h"
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#include <stdio.h>
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#include <sys/types.h>
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using std::string;
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//=============================================================================================
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// SWI Logger to file logging class declaration
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//=============================================================================================
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class SC_LogFile : public SC_LogBase
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{
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public:
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SC_LogFile(uint32_t id, const char* source) : SC_LogBase(id, source)
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{
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mFile = 0;
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//2GByte by default
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mMaxFileSize = 0x0000000080000000ULL;
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mBytesCount = 0;
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}
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//open file for writing
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inline virtual bool Open()
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{
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if(!mFile) {
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// extract log and path names
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uint32_t namelen = mSource.size();
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if(namelen) {
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const char* ptr = strrchr(mSource.c_str(), '/');
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uint32_t pathlen = 0;
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if(ptr) {
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pathlen = ptr - mSource.c_str() + 1;
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namelen -= pathlen + 1;
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}
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mLogPath.append(mSource.c_str(), pathlen);
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mLogName.append((mSource.c_str() + pathlen), namelen);
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//open the file finally
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mFile = fopen(mSource.c_str(), "a+");
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}
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}
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return (mFile != 0);
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}
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//close file opened
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inline virtual void Close()
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{
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if(mFile) {
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fclose(mFile);
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}
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mFile = 0;
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mBytesCount = 0;
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}
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//whether file already opened or not
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inline virtual bool IsOpened()
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{
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return (mFile != 0);
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}
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inline void SetMaxFileSize(uint64_t size)
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{
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mMaxFileSize = size;
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}
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inline uint64_t GetMaxFileSize()
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{
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return mMaxFileSize;
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}
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inline FILE* GetLogFD()
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{
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return mFile;
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}
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protected:
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inline virtual void SendMessage(const char* msg)
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{
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if(mFile && mBytesCount < mMaxFileSize) {
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if(fputs(msg, mFile) >= 0) {
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fflush(mFile);
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mBytesCount += mStringLen;
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} else {
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fclose(mFile);
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mFile = 0;
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}
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}
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}
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protected:
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string mLogPath; //path to the log file
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string mLogName; //name of the log file
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FILE* mFile; //log file descriptor
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uint64_t mMaxFileSize; //maximum number bytes allowed to be written to the file
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uint64_t mBytesCount; //number of bytes actually written
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};
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#endif /* LOG_FILE_H_ */
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