Initial

proto/source/LOGFILE.HPP

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+#ifndef _PROTO_LOGFILE_HPP_
+#define _PROTO_LOGFILE_HPP_
+#ifndef _COMMON_PUREVIEWOFFILE_HPP_
+#include <common/pview.hpp>
+#endif
+#ifndef _COMMON_FILEMAP_HPP_
+#include <common/filemap.hpp>
+#endif
+#ifndef _THREAD_EVENT_HPP_
+#include <thread/event.hpp>
+#endif
+#ifndef _THREAD_MUTEX_HPP_
+#include <thread/mutex.hpp>
+#endif
+
+class LogFile 
+{
+public:
+  LogFile(const String &strLogName);
+	virtual ~LogFile();
+	BOOL write(const String &strLine);
+	BOOL write(Block<String> &strLines);
+	BOOL read(String &strLine);
+  BOOL read(Block<String> &strLines);
+	void synchronize(void);
+private:
+  void log(const String &msg);
+
+  FileMap mFileMap;
+	PureViewOfFile mFileView;
+	Event mIOEvent;
+	Event mIOAckEvent;
+	Mutex mMutex;
+	BOOL mIsAckPending;
+};
+
+LogFile::LogFile(const String &strLogName)
+: mFileMap(strLogName,0,1000000), mFileView(mFileMap), mIOEvent("IOPUTEVENT",FALSE),
+  mIOAckEvent("IOACKEVENT",FALSE), mMutex("IOENTERREQUEST",FALSE), mIsAckPending(FALSE)
+{
+}
+
+LogFile::~LogFile()
+{
+}
+
+BOOL LogFile::write(const String &strLine)
+{
+	mIOAckEvent.waitEvent();
+	mIOAckEvent.resetEvent();
+  mMutex.requestMutex();
+	mFileView.rewind();
+  mFileView.writeLine(strLine);
+	mMutex.releaseMutex();
+	mIOEvent.setEvent();
+	return TRUE;
+}
+
+BOOL LogFile::write(Block<String> &strLines)
+{
+	mIOAckEvent.waitEvent();
+	mIOAckEvent.resetEvent();
+  mMutex.requestMutex();
+	mFileView.rewind();
+  for(int lineIndex=0;lineIndex<strLines.size();lineIndex++)mFileView.writeLine(strLines[lineIndex]);
+	mMutex.releaseMutex();
+	mIOEvent.setEvent();
+	return TRUE;
+}
+
+inline
+BOOL LogFile::read(String &strLine)
+{
+	String lineString;
+	mIOEvent.waitEvent();
+  mMutex.requestMutex();
+	mIOEvent.resetEvent();
+	mFileView.rewind();
+  mFileView.getLine(lineString);
+	strLine=lineString;
+	mMutex.releaseMutex();
+	mIOAckEvent.setEvent();
+	return lineString.isNull();
+}
+
+inline
+BOOL LogFile::read(Block<String> &strLines)
+{
+  String strLine;
+
+	strLines.remove();
+	mIOEvent.waitEvent();
+	mMutex.requestMutex();
+	mIOEvent.resetEvent();
+	mFileView.rewind();
+  while(mFileView.getLine(strLine)&&!strLine.isNull())strLines.insert(&strLine);
+	mMutex.releaseMutex();
+	mIOAckEvent.setEvent();
+	return TRUE;
+}
+
+void LogFile::synchronize(void)
+{
+  mIOAckEvent.setEvent();
+}
+
+void LogFile::log(const String &msg)
+{
+  ::OutputDebugString((String&)msg+String("\n"));
+}
+#endif