void SymbianLog::printMessage(const char* level, const char* msg, PLATFORM_VA_LIST argList)
{
iSemaphore.Wait();
StringBuffer currentTime = createCurrentTime(true);
TInt err = file.Open(fsSession, iLogName, EFileWrite|EFileShareAny);
TInt pos = 0;
if (err == KErrNotFound)
{
// First time: file does not exist. Create it.
err = file.Create(fsSession, iLogName, EFileWrite|EFileShareAny);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: could not open log file (code %d)", err);
goto finally;
}
StringBuffer header = createHeader();
RBuf8 data;
data.Assign(stringBufferToNewBuf8(header));
file.Write(data);
data.Close();
}
else
{
err = file.Seek(ESeekEnd, pos);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: seek error on log file (code %d)", err);
goto finally;
}
}
{
// Write the data
StringBuffer line, data;
line.sprintf("%s -%s- %s", currentTime.c_str(), level, msg);
data.vsprintf(line.c_str(), argList);
data.append("\n");
RBuf8 buf;
buf.Assign(stringBufferToNewBuf8(data));
file.Write(buf);
buf.Close();
}
finally:
file.Close();
// we need closed file to operate on it
if ( LogSize() > SYMBIAN_LOG_SIZE ){
// roll log file
RollLogFile();
}
iSemaphore.Signal();
}
QNdefMessage QNFCNdefUtility::CNdefMsg2QNdefMsgL( const CNdefMessage& msg )
{
BEGIN
QNdefMessage result;
LOG("CNdefMessage size is "<<msg.SizeL());
HBufC8* newBuf = HBufC8::NewL(msg.SizeL());
RBuf8 buf;
buf.Assign(newBuf);
buf.CleanupClosePushL();
LOG("export msg to raw data");
msg.ExportRawDataL(buf,0);
LOG("import raw data to msg");
QByteArray qtArray;
qtArray.append(reinterpret_cast<const char*>(newBuf->Ptr()),newBuf->Size());
result = QNdefMessage::fromByteArray(qtArray);
CleanupStack::PopAndDestroy(&buf);
END
return result;
}
void SymbianLog::reset(const char* title)
{
iSemaphore.Wait();
TInt err = file.Replace(fsSession, iLogName, EFileWrite|EFileShareAny);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: error resetting the log file (code %d)", err);
return;
}
// Write the Header
StringBuffer header = createHeader(title);
RBuf8 buf;
buf.Assign(stringBufferToNewBuf8(header));
file.Write(buf);
buf.Close();
file.Close();
iSemaphore.Signal();
}
void SymbianLog::RollLogFile(void)
{
CFileMan* fileMan = CFileMan::NewL(fsSession);
CleanupStack::PushL(fileMan);
//copy the current file into the roll file, file must be open
TInt err = KErrNone;
err = file.Open(fsSession, iLogName, EFileWrite|EFileShareAny);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: could not open log file (code %d)", err);
} else {
err = fileMan->Copy(file,iRollLogName,CFileMan::EOverWrite);
}
if (err != KErrNone) {
setErrorF(err, "SymbianLog: copy error on roll log file (code %d)", err);
}
file.Close();
// reset the current file
// we don't use reset() method because we don't want
// nested semaphores
err = KErrNone;
err = file.Replace(fsSession, iLogName, EFileWrite|EFileShareAny);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: error resetting the log file (code %d)", err);
return;
}
// Write the Header
StringBuffer header = createHeader();
RBuf8 buf;
buf.Assign(stringBufferToNewBuf8(header));
file.Write(buf);
buf.Close();
file.Close();
CleanupStack::PopAndDestroy(fileMan);
}
SymbianLog::SymbianLog(bool resetLog, const char* path, const char* name)
{
TInt err = KErrNone;
const char* p = (path)? path : SYMBIAN_LOG_PATH;
const char* n = (name)? name : SYMBIAN_LOG_NAME;
// assign all the paths and names
StringBuffer logName(p);
logName += n;
iLogName.Assign(charToNewBuf(logName.c_str()));
StringBuffer rollName(logName);
rollName += ".0";
iRollLogName.Assign(charToNewBuf(rollName.c_str()));
StringBuffer pathSb(p);
iLogPathName.Assign(charToNewBuf(pathSb.c_str()));
StringBuffer nameSb(n);
iLogFileName.Assign(charToNewBuf(nameSb.c_str()));
// try open log
err = iSemaphore.OpenGlobal(KLogSemaphoreName);
if (err == KErrNotFound) {
// Create a semaphore, to avoid accessing the FileSystem at
// the same time by different threads.
// The semaphore is global, so that it could be used also by
// other processes that (in future) will use this Log.
err = iSemaphore.CreateGlobal(KLogSemaphoreName, 1);
if (err != KErrNone) {
setError(ERR_SEMAPHORE_CREATION, ERR_SEMAPHORE_CREATION_MSG);
}
}
iSemaphore.Wait();
// Connect to the file server session.
fsSession.Connect();
err = fsSession.ShareAuto();
if (err != KErrNone) {
setErrorF(err, "SymbianLog error: unable to share RFs session (code %d)", err);
return;
}
// ensure path exists!
BaflUtils::EnsurePathExistsL(fsSession, iLogPathName);
if (resetLog) {
err = file.Replace(fsSession, iLogName, EFileWrite|EFileShareAny);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: could not open the log file '%ls'", iLogName.Ptr());
return;
}
// Write the Header
StringBuffer header = createHeader();
RBuf8 data;
data.Assign(stringBufferToNewBuf8(header));
file.Write(data);
data.Close();
file.Close();
}
iSemaphore.Signal();
return;
}
