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/***************************************************************************
** $Id: functions.cpp,v 1.14 2008/07/31 19:56:26 hoganrobert Exp $
* Copyright (C) 2006 - 2008 Robert Hogan *
* [email protected] *
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <qdatetime.h>
#include <klocale.h>
#include <kglobal.h>
#include <kdebug.h>
#include <sys/time.h>
#include <qdir.h>
#include <cstdlib>
#include "functions.h"
namespace tk
{
const double TO_KB = 1024.0;
const double TO_MEG = (1024.0 * 1024.0);
const double TO_GIG = (1024.0 * 1024.0 * 1024.0);
QString BytesToString(Uint64 bytes,int precision)
{
KLocale* loc = KGlobal::locale();
if (bytes >= 1024 * 1024 * 1024)
return i18n("%1 GB").arg(loc->formatNumber(bytes / TO_GIG,precision < 0 ? 2 : precision));
else if (bytes >= 1024*1024)
return i18n("%1 MB").arg(loc->formatNumber(bytes / TO_MEG,precision < 0 ? 1 : precision));
else if (bytes >= 1024)
return i18n("%1 KB").arg(loc->formatNumber(bytes / TO_KB,precision < 0 ? 1 : precision));
else
return i18n("%1 B").arg(bytes);
}
QString BytesPerSecToString(double bytes,int precision)
{
KLocale* loc = KGlobal::locale();
if (bytes >= 1024 * 1024 * 1024)
return i18n("%1 GB/s").arg(loc->formatNumber(bytes / TO_GIG,precision < 0 ? 2 : precision));
else if (bytes >= 1024*1024)
return i18n("%1 MB/s").arg(loc->formatNumber(bytes / TO_MEG,precision < 0 ? 1 : precision));
else if (bytes >= 1024)
return i18n("%1 KB/s").arg(loc->formatNumber(bytes / TO_KB,precision < 0 ? 1 : precision));
else
return i18n("%1 B/s").arg(loc->formatNumber(bytes,precision < 0 ? 1 : precision));
}
QString KBytesPerSecToString(double speed,int precision)
{
KLocale* loc = KGlobal::locale();
return i18n("%1 KB/s").arg(loc->formatNumber(speed,precision));
}
QString DurationToString(Uint32 nsecs)
{
KLocale* loc = KGlobal::locale();
QTime t;
int ndays = nsecs / 86400;
t = t.addSecs(nsecs % 86400);
QString s = loc->formatTime(t,true,true);
if (ndays > 0)
s = i18n("1 day ","%n days ",ndays) + s;
return s;
}
QString calcBW(const QStringList &bwlist, int num)
{
double totalbw = 0;
int numtmp=0;
for ( QStringList::ConstIterator it = bwlist.end(); it != bwlist.begin(); --it )
{
totalbw += (*it).toDouble();
numtmp++;
if (numtmp > num)
break;
}
double avgbw = totalbw / (900 * num);
return BytesPerSecToString(avgbw);
}
}
namespace bt
{
void UpdateCurrentTime()
{
global_time_stamp = Now();
}
TimeStamp global_time_stamp = 0;
Uint64 Now()
{
struct timeval tv;
gettimeofday(&tv,0);
global_time_stamp = (Uint64)(tv.tv_sec * 1000 + tv.tv_usec * 0.001);
return global_time_stamp;
}
}
QString getFullLocation(const char *additionalPaths, const QString &name)
{
// do not search one path twice
QStringList paths;
// get the environment path variable
paths = addPaths(getenv("PATH"));
paths += addPaths(additionalPaths);
QStringList::ConstIterator dirpath = paths.begin();
QStringList::ConstIterator end = paths.end();
for(; dirpath!=end; ++dirpath)
{
QDir dir = *dirpath;
if (!dir.exists()) continue;
QFile inf(*dirpath+'/'+name);
if (inf.exists())
return *dirpath+'/'+name;
}
return QString();
}
QStringList findPrograms(const QStringList &programList)
{
// do not search one path twice
QStringList paths;
// get the environment path variable
paths = addPaths(getenv("PATH"));
QStringList tofind;
QStringList remaining;
QStringList finds;
QStringList::ConstIterator dirpath = paths.begin();
QStringList::ConstIterator end = paths.end();
tofind = programList;
remaining = tofind;
for(; dirpath!=end; ++dirpath)
{
QDir dir = *dirpath;
if (!dir.exists()) continue;
for ( QStringList::Iterator it = tofind.begin(); it != tofind.end(); ++it ){
QFile inf(*dirpath+'/'+*it);
if (inf.exists()){
finds.append(*it);
remaining.remove(*it);
}
}
tofind = remaining;
}
return finds;
}
QStringList addPaths(const char *env_path){
// do not search one path twice
QStringList paths;
/* // get the environment path variable
char* env_path = getenv("PATH");*/
if( env_path ) {
QStringList env_pathList = QStringList::split(":", QString::fromLocal8Bit(env_path));
for( QStringList::const_iterator it = env_pathList.begin(); it != env_pathList.end(); ++it ) {
QString p = *it;
if( p[p.length()-1] == '/' )
p.truncate( p.length()-1 );
if( !paths.contains( p ) && !paths.contains( p + "/" ) )
paths.append(p);
}
}
return paths;
}
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