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/*
* File: LogRunner.cpp
*
* Author: Jacob Dekel
* Created on: Aug 7, 2009
*
* Copyright (c) 2009-2013 Jacob Dekel
* $Id$
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "LogRunner.h"
#include "HerculesStudio.h"
#include "NamedPipe.h"
#include "Preferences.h"
LogRunner::LogRunner(SynchronizedQueue& logQueue, HerculesExecutor * herculesExecutor, int maxQueueSize)
: Runner(logQueue), mHerculesExecutor(herculesExecutor), mMaxQueueSize(maxQueueSize)
{
}
LogRunner::~LogRunner()
{
}
void LogRunner::run()
{
mQueue.push_back("logger started");
emit newData();
#ifdef hFramework
mProcess = mHerculesExecutor->getQProcess();
connect(mProcess,
SIGNAL(readyReadStandardOutput()),
this,
SLOT(readStandardOutput()));
return;
#else
QFile& logFile = NamedPipe::getInstance().getHerculesLogfile();
QByteArray buff;
buff.resize(512);
mRunning = true;
bool lineRead = false;
int startupCounter = 0;
while(mRunning)
{
int size;
if ((size = logFile.readLine(buff.data(),512)) <= 0)
{
// we wait up to 2 seconds for data to appear in the log
if (!lineRead)
{
if (startupCounter++ < 200)
{
QThread::msleep(10);
continue; // retry reading by returning to main loop
}
}
mQueue.push_back("logger ended");
emit newData();
break;
}
lineRead = true;
buff[size-1] = '\0';
mQueue.push_back(buff);
emit newData();
while (mQueue.size() > mMaxQueueSize) // do not flood the queue
QThread::msleep(100); // yield
}
#endif
}
#ifdef hFramework
void LogRunner::readStandardOutput()
{
mProcess->setReadChannel(QProcess::StandardOutput);
while (true)
{
QByteArray output = mProcess->readLine();
if (output.length() == 0) break;
#ifndef hCRLF
output[output.length()-1]='\0';
#else
output[output.length()-2]='\0';
#endif
mQueue.push_back(output.data());
emit newData();
}
}
#endif
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