Updated to final KDE3 ktorrent release (2.2.6)

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 249 insertions, 0 deletions

diff --git a/libktorrent/util/log.cpp b/libktorrent/util/log.cpp
new file mode 100644
index 0000000..05682a8
--- /dev/null
+++ b/libktorrent/util/log.cpp
@@ -0,0 +1,249 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Joris Guisson                                   *
+ *   [email protected]                                               *
+ *                                                                         *
+ *   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 2 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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ***************************************************************************/
+
+#include <kurl.h>
+#include <kprocess.h>
+#include <klocale.h>
+#include <qdatetime.h>
+#include <qtextstream.h>
+#include <qfile.h>
+#include <qptrlist.h>
+#include <iostream>
+#include <stdlib.h>
+#include <torrent/globals.h>
+#include <interfaces/logmonitorinterface.h>
+#include <qmutex.h> 
+#include <util/fileops.h>
+#include <stdlib.h>
+#include "log.h"
+#include "error.h"
+#include "autorotatelogjob.h"
+
+using namespace kt;
+
+namespace bt
+{
+	const Uint32 MAX_LOG_FILE_SIZE = 10 * 1024 * 1024; // 10 MB
+	
+	class Log::Private
+	{
+	public:
+		Log* parent;
+		QTextStream* out;
+		QFile fptr;
+		bool to_cout;
+		QPtrList<LogMonitorInterface> monitors;
+		QString tmp;
+		QMutex mutex;
+		unsigned int m_filter;
+		AutoRotateLogJob* rotate_job;
+	public:
+		Private(Log* parent) : parent(parent),out(0),to_cout(false),rotate_job(0)
+		{
+			out = new QTextStream();
+		}
+
+		~Private()
+		{
+			delete out;
+		}
+
+		
+		void setFilter(unsigned int filter)
+		{
+			m_filter = filter;
+		}
+		
+		void rotateLogs(const QString & file)
+		{
+			if (bt::Exists(file + "-10.gz"))
+				bt::Delete(file + "-10.gz",true);
+			
+			// move all log files one up
+			for (Uint32 i = 10;i > 1;i--)
+			{
+				QString prev = QString("%1-%2.gz").arg(file).arg(i - 1);
+				QString curr = QString("%1-%2.gz").arg(file).arg(i);
+				if (bt::Exists(prev))
+					bt::Move(prev,curr,true);
+			}
+			
+			// move current log to 1 and zip it
+			bt::Move(file,file + "-1",true);
+			system(QString("gzip " + KProcess::quote(file + "-1")).local8Bit());
+		}
+
+		void setOutputFile(const QString & file)
+		{
+			if (fptr.isOpen())
+				fptr.close();
+			
+			if (bt::Exists(file))
+				rotateLogs(file);
+
+			fptr.setName(file);
+			if (!fptr.open(IO_WriteOnly))
+				throw Error(i18n("Cannot open log file %1 : %2").arg(file).arg(fptr.errorString()));
+
+			out->setDevice(&fptr);
+		}
+
+		void write(const QString & line)
+		{
+			tmp += line;
+		}
+		
+		void finishLine()
+		{
+			// only add stuff when we are not rotating the logs
+			// this could result in the loss of some messages
+			if (!rotate_job) 
+			{
+				*out << QDateTime::currentDateTime().toString() << ": " << tmp << ::endl;
+				fptr.flush();
+				if (to_cout)
+					std::cout << tmp.local8Bit() << std::endl;
+				
+				if (monitors.count() > 0)
+				{
+					QPtrList<LogMonitorInterface>::iterator i = monitors.begin();
+					while (i != monitors.end())
+					{
+						kt::LogMonitorInterface* lmi = *i;
+						lmi->message(tmp,m_filter);
+						i++;
+					}
+				}
+			}
+			tmp = "";
+		}
+
+		void endline()
+		{
+			finishLine();
+			if (fptr.size() > MAX_LOG_FILE_SIZE && !rotate_job)
+			{
+				tmp = "Log larger then 10 MB, rotating";
+				finishLine();
+				QString file = fptr.name();
+				fptr.close(); // close the log file
+				out->setDevice(0);		
+				// start the rotate job
+				rotate_job = new AutoRotateLogJob(file,parent); 
+			}
+		}
+		
+		void logRotateDone()
+		{
+			fptr.open(IO_WriteOnly);
+			out->setDevice(&fptr);
+			rotate_job = 0;
+		}
+	};
+	
+	Log::Log() 
+	{
+		priv = new Private(this);
+	}
+	
+	
+	Log::~Log()
+	{
+		delete priv;
+	}
+	
+	
+	void Log::setOutputFile(const QString & file)
+	{
+		priv->setOutputFile(file);
+	}
+
+	void Log::addMonitor(kt::LogMonitorInterface* m)
+	{
+		priv->monitors.append(m);
+	}
+
+	void Log::removeMonitor(kt::LogMonitorInterface* m)
+	{
+		priv->monitors.remove(m);
+	}
+
+	void Log::setOutputToConsole(bool on)
+	{
+		priv->to_cout = on;
+	}
+
+	Log & endl(Log & lg)
+	{
+		lg.priv->endline();
+		lg.priv->mutex.unlock(); // unlock after end of line
+		return lg;
+	}
+
+	Log & Log::operator << (const KURL & url)
+	{
+		priv->write(url.prettyURL());
+		return *this;
+	}
+
+	Log & Log::operator << (const QString & s)
+	{
+		priv->write(s);
+		return *this;
+	}
+
+	Log & Log::operator << (const char* s)
+	{
+		priv->write(s);
+		return *this;
+	}
+
+	Log & Log::operator << (Uint64 v)
+	{
+		return operator << (QString::number(v));
+	}
+
+	Log & Log::operator << (Int64 v)
+	{
+		return operator << (QString::number(v));
+	}
+
+	void Log::setFilter(unsigned int filter)
+	{
+		priv->setFilter(filter);
+	}
+
+	void Log::lock()
+	{
+		priv->mutex.lock();
+	}
+	
+	void Log::logRotateDone()
+	{
+		priv->logRotateDone();
+	}
+	
+	Log & Out(unsigned int arg)
+	{
+		Log & lg = Globals::instance().getLog(arg);
+		lg.lock();
+		return lg;
+	}
+}