small fix for initialization of host address in case not actual address could be obtained
This commit is contained in:
Volker Fischer
parent
d0b017df54
commit
b625a77521
985
src/util.cpp
985
src/util.cpp
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@ -1,491 +1,494 @@
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/******************************************************************************\
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/******************************************************************************\
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* Copyright (c) 2004-2011
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* Copyright (c) 2004-2011
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*
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*
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* Author(s):
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* Author(s):
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* Volker Fischer
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* Volker Fischer
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*
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*
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******************************************************************************
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******************************************************************************
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*
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*
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* This program is free software; you can redistribute it and/or modify it under
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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* version.
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*
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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* details.
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*
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*
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* You should have received a copy of the GNU General Public License along with
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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\******************************************************************************/
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\******************************************************************************/
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#include "util.h"
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#include "util.h"
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/* Implementation *************************************************************/
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/* Implementation *************************************************************/
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// Input level meter implementation --------------------------------------------
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// Input level meter implementation --------------------------------------------
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void CStereoSignalLevelMeter::Update ( CVector<short>& vecsAudio )
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void CStereoSignalLevelMeter::Update ( CVector<short>& vecsAudio )
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{
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{
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// get the stereo vector size
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// get the stereo vector size
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const int iStereoVecSize = vecsAudio.Size();
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const int iStereoVecSize = vecsAudio.Size();
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// Get maximum of current block
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// Get maximum of current block
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//
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//
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// Speed optimization:
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// Speed optimization:
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// - we only make use of the positive values and ignore the negative ones
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// - we only make use of the positive values and ignore the negative ones
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// -> we do not need to call the fabs() function
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// -> we do not need to call the fabs() function
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// - we only evaluate every third sample
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// - we only evaluate every third sample
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//
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//
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// With these speed optimizations we might loose some information in
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// With these speed optimizations we might loose some information in
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// special cases but for the average music signals the following code
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// special cases but for the average music signals the following code
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// should give good results.
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// should give good results.
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//
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//
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short sMaxL = 0;
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short sMaxL = 0;
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short sMaxR = 0;
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short sMaxR = 0;
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for ( int i = 0; i < iStereoVecSize; i += 6 ) // 2 * 3 = 6 -> stereo
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for ( int i = 0; i < iStereoVecSize; i += 6 ) // 2 * 3 = 6 -> stereo
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{
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{
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// left channel
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// left channel
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if ( sMaxL < vecsAudio[i] )
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if ( sMaxL < vecsAudio[i] )
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{
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{
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sMaxL = vecsAudio[i];
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sMaxL = vecsAudio[i];
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}
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}
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// right channel
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// right channel
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if ( sMaxR < vecsAudio[i + 1] )
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if ( sMaxR < vecsAudio[i + 1] )
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{
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{
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sMaxR = vecsAudio[i + 1];
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sMaxR = vecsAudio[i + 1];
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}
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}
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}
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}
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dCurLevelL = UpdateCurLevel ( dCurLevelL, sMaxL );
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dCurLevelL = UpdateCurLevel ( dCurLevelL, sMaxL );
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dCurLevelR = UpdateCurLevel ( dCurLevelR, sMaxR );
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dCurLevelR = UpdateCurLevel ( dCurLevelR, sMaxR );
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}
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}
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double CStereoSignalLevelMeter::UpdateCurLevel ( double dCurLevel,
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double CStereoSignalLevelMeter::UpdateCurLevel ( double dCurLevel,
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const short& sMax )
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const short& sMax )
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{
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{
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// decrease max with time
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// decrease max with time
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if ( dCurLevel >= METER_FLY_BACK )
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if ( dCurLevel >= METER_FLY_BACK )
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{
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{
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// TODO calculate factor from sample rate
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// TODO calculate factor from sample rate
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dCurLevel *= 0.95;
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dCurLevel *= 0.95;
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}
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}
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else
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else
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{
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{
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dCurLevel = 0;
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dCurLevel = 0;
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}
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}
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// update current level -> only use maximum
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// update current level -> only use maximum
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if ( static_cast<double> ( sMax ) > dCurLevel )
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if ( static_cast<double> ( sMax ) > dCurLevel )
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{
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{
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return static_cast<double> ( sMax );
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return static_cast<double> ( sMax );
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}
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}
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else
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else
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{
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{
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return dCurLevel;
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return dCurLevel;
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}
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}
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}
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}
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double CStereoSignalLevelMeter::CalcLogResult ( const double& dLinearLevel )
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double CStereoSignalLevelMeter::CalcLogResult ( const double& dLinearLevel )
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{
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{
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const double dNormMicLevel = dLinearLevel / _MAXSHORT;
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const double dNormMicLevel = dLinearLevel / _MAXSHORT;
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// logarithmic measure
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// logarithmic measure
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if ( dNormMicLevel > 0 )
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if ( dNormMicLevel > 0 )
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{
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{
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return 20.0 * log10 ( dNormMicLevel );
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return 20.0 * log10 ( dNormMicLevel );
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}
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}
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else
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else
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{
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{
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return -100000.0; // large negative value
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return -100000.0; // large negative value
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}
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}
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}
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}
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// CRC -------------------------------------------------------------------------
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// CRC -------------------------------------------------------------------------
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void CCRC::Reset()
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void CCRC::Reset()
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{
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{
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// init state shift-register with ones. Set all registers to "1" with
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// init state shift-register with ones. Set all registers to "1" with
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// bit-wise not operation
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// bit-wise not operation
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iStateShiftReg = ~uint32_t ( 0 );
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iStateShiftReg = ~uint32_t ( 0 );
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}
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}
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void CCRC::AddByte ( const uint8_t byNewInput )
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void CCRC::AddByte ( const uint8_t byNewInput )
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{
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{
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for ( int i = 0; i < 8; i++ )
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for ( int i = 0; i < 8; i++ )
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{
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{
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// shift bits in shift-register for transistion
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// shift bits in shift-register for transistion
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iStateShiftReg <<= 1;
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iStateShiftReg <<= 1;
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// take bit, which was shifted out of the register-size and place it
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// take bit, which was shifted out of the register-size and place it
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// at the beginning (LSB)
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// at the beginning (LSB)
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// (If condition is not satisfied, implicitely a "0" is added)
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// (If condition is not satisfied, implicitely a "0" is added)
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if ( ( iStateShiftReg & iBitOutMask) > 0 )
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if ( ( iStateShiftReg & iBitOutMask) > 0 )
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{
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{
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iStateShiftReg |= 1;
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iStateShiftReg |= 1;
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}
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}
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// add new data bit to the LSB
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// add new data bit to the LSB
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if ( ( byNewInput & ( 1 << ( 8 - i - 1 ) ) ) > 0 )
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if ( ( byNewInput & ( 1 << ( 8 - i - 1 ) ) ) > 0 )
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{
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{
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iStateShiftReg ^= 1;
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iStateShiftReg ^= 1;
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}
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}
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// add mask to shift-register if first bit is true
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// add mask to shift-register if first bit is true
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if ( iStateShiftReg & 1 )
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if ( iStateShiftReg & 1 )
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{
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{
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iStateShiftReg ^= iPoly;
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iStateShiftReg ^= iPoly;
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}
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}
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}
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}
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}
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}
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uint32_t CCRC::GetCRC()
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uint32_t CCRC::GetCRC()
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{
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{
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// return inverted shift-register (1's complement)
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// return inverted shift-register (1's complement)
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iStateShiftReg = ~iStateShiftReg;
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iStateShiftReg = ~iStateShiftReg;
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// remove bit which where shifted out of the shift-register frame
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// remove bit which where shifted out of the shift-register frame
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return iStateShiftReg & ( iBitOutMask - 1 );
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return iStateShiftReg & ( iBitOutMask - 1 );
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}
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}
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/******************************************************************************\
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/******************************************************************************\
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* Audio Reverberation *
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* Audio Reverberation *
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\******************************************************************************/
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\******************************************************************************/
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/*
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/*
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The following code is based on "JCRev: John Chowning's reverberator class"
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The following code is based on "JCRev: John Chowning's reverberator class"
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by Perry R. Cook and Gary P. Scavone, 1995 - 2004
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by Perry R. Cook and Gary P. Scavone, 1995 - 2004
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which is in "The Synthesis ToolKit in C++ (STK)"
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which is in "The Synthesis ToolKit in C++ (STK)"
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http://ccrma.stanford.edu/software/stk
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http://ccrma.stanford.edu/software/stk
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Original description:
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Original description:
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This class is derived from the CLM JCRev function, which is based on the use
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This class is derived from the CLM JCRev function, which is based on the use
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of networks of simple allpass and comb delay filters. This class implements
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of networks of simple allpass and comb delay filters. This class implements
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three series allpass units, followed by four parallel comb filters, and two
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three series allpass units, followed by four parallel comb filters, and two
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decorrelation delay lines in parallel at the output.
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decorrelation delay lines in parallel at the output.
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*/
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*/
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void CAudioReverb::Init ( const int iSampleRate, const double rT60 )
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void CAudioReverb::Init ( const int iSampleRate, const double rT60 )
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{
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{
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int delay, i;
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int delay, i;
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// delay lengths for 44100 Hz sample rate
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// delay lengths for 44100 Hz sample rate
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int lengths[9] = { 1777, 1847, 1993, 2137, 389, 127, 43, 211, 179 };
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int lengths[9] = { 1777, 1847, 1993, 2137, 389, 127, 43, 211, 179 };
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const double scaler = (double) iSampleRate / 44100.0;
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const double scaler = (double) iSampleRate / 44100.0;
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if ( scaler != 1.0 )
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if ( scaler != 1.0 )
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{
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{
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for ( i = 0; i < 9; i++ )
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for ( i = 0; i < 9; i++ )
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{
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{
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delay = (int) floor ( scaler * lengths[i] );
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delay = (int) floor ( scaler * lengths[i] );
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if ( ( delay & 1 ) == 0 )
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if ( ( delay & 1 ) == 0 )
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{
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{
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delay++;
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delay++;
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}
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}
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while ( !isPrime ( delay ) )
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while ( !isPrime ( delay ) )
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{
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{
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delay += 2;
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delay += 2;
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}
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}
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lengths[i] = delay;
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lengths[i] = delay;
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}
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}
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}
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}
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for ( i = 0; i < 3; i++ )
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for ( i = 0; i < 3; i++ )
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{
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{
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allpassDelays_[i].Init ( lengths[i + 4] );
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allpassDelays_[i].Init ( lengths[i + 4] );
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}
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}
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for ( i = 0; i < 4; i++ )
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for ( i = 0; i < 4; i++ )
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{
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{
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combDelays_[i].Init ( lengths[i] );
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combDelays_[i].Init ( lengths[i] );
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}
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}
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setT60 ( rT60, iSampleRate );
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setT60 ( rT60, iSampleRate );
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allpassCoefficient_ = (double) 0.7;
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allpassCoefficient_ = (double) 0.7;
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Clear();
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Clear();
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}
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}
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bool CAudioReverb::isPrime ( const int number )
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bool CAudioReverb::isPrime ( const int number )
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{
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{
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/*
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/*
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Returns true if argument value is prime. Taken from "class Effect" in
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Returns true if argument value is prime. Taken from "class Effect" in
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"STK abstract effects parent class".
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"STK abstract effects parent class".
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*/
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*/
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if ( number == 2 )
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if ( number == 2 )
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{
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{
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return true;
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return true;
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}
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}
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if ( number & 1 )
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if ( number & 1 )
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{
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{
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for ( int i = 3; i < (int) sqrt ( (double) number ) + 1; i += 2 )
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for ( int i = 3; i < (int) sqrt ( (double) number ) + 1; i += 2 )
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{
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{
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if ( ( number % i ) == 0 )
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if ( ( number % i ) == 0 )
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{
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{
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return false;
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return false;
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}
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}
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}
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}
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return true; // prime
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return true; // prime
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}
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}
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else
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else
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{
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{
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return false; // even
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return false; // even
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}
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}
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}
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}
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void CAudioReverb::Clear()
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void CAudioReverb::Clear()
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{
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{
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// reset and clear all internal state
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// reset and clear all internal state
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allpassDelays_[0].Reset ( 0 );
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allpassDelays_[0].Reset ( 0 );
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allpassDelays_[1].Reset ( 0 );
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allpassDelays_[1].Reset ( 0 );
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allpassDelays_[2].Reset ( 0 );
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allpassDelays_[2].Reset ( 0 );
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combDelays_[0].Reset ( 0 );
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combDelays_[0].Reset ( 0 );
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combDelays_[1].Reset ( 0 );
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combDelays_[1].Reset ( 0 );
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combDelays_[2].Reset ( 0 );
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combDelays_[2].Reset ( 0 );
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combDelays_[3].Reset ( 0 );
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combDelays_[3].Reset ( 0 );
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}
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}
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void CAudioReverb::setT60 ( const double rT60,
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void CAudioReverb::setT60 ( const double rT60,
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const int iSampleRate )
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const int iSampleRate )
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{
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{
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// set the reverberation T60 decay time
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// set the reverberation T60 decay time
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for ( int i = 0; i < 4; i++ )
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for ( int i = 0; i < 4; i++ )
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{
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{
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combCoefficient_[i] = pow ( (double) 10.0, (double) ( -3.0 *
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combCoefficient_[i] = pow ( (double) 10.0, (double) ( -3.0 *
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combDelays_[i].Size() / ( rT60 * iSampleRate ) ) );
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combDelays_[i].Size() / ( rT60 * iSampleRate ) ) );
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}
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}
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}
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}
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double CAudioReverb::ProcessSample ( const double input )
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double CAudioReverb::ProcessSample ( const double input )
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{
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{
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// compute one output sample
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// compute one output sample
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double temp, temp0, temp1, temp2;
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double temp, temp0, temp1, temp2;
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temp = allpassDelays_[0].Get();
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temp = allpassDelays_[0].Get();
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temp0 = allpassCoefficient_ * temp;
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temp0 = allpassCoefficient_ * temp;
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temp0 += input;
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temp0 += input;
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allpassDelays_[0].Add ( (int) temp0 );
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allpassDelays_[0].Add ( (int) temp0 );
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temp0 = - ( allpassCoefficient_ * temp0 ) + temp;
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temp0 = - ( allpassCoefficient_ * temp0 ) + temp;
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temp = allpassDelays_[1].Get();
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temp = allpassDelays_[1].Get();
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temp1 = allpassCoefficient_ * temp;
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temp1 = allpassCoefficient_ * temp;
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temp1 += temp0;
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temp1 += temp0;
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allpassDelays_[1].Add ( (int) temp1 );
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allpassDelays_[1].Add ( (int) temp1 );
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temp1 = - ( allpassCoefficient_ * temp1 ) + temp;
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temp1 = - ( allpassCoefficient_ * temp1 ) + temp;
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temp = allpassDelays_[2].Get();
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temp = allpassDelays_[2].Get();
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temp2 = allpassCoefficient_ * temp;
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temp2 = allpassCoefficient_ * temp;
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temp2 += temp1;
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temp2 += temp1;
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allpassDelays_[2].Add ( (int) temp2 );
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allpassDelays_[2].Add ( (int) temp2 );
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temp2 = - ( allpassCoefficient_ * temp2 ) + temp;
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temp2 = - ( allpassCoefficient_ * temp2 ) + temp;
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const double temp3 = temp2 + ( combCoefficient_[0] * combDelays_[0].Get() );
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const double temp3 = temp2 + ( combCoefficient_[0] * combDelays_[0].Get() );
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const double temp4 = temp2 + ( combCoefficient_[1] * combDelays_[1].Get() );
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const double temp4 = temp2 + ( combCoefficient_[1] * combDelays_[1].Get() );
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const double temp5 = temp2 + ( combCoefficient_[2] * combDelays_[2].Get() );
|
const double temp5 = temp2 + ( combCoefficient_[2] * combDelays_[2].Get() );
|
||||||
const double temp6 = temp2 + ( combCoefficient_[3] * combDelays_[3].Get() );
|
const double temp6 = temp2 + ( combCoefficient_[3] * combDelays_[3].Get() );
|
||||||
|
|
||||||
combDelays_[0].Add ( (int) temp3 );
|
combDelays_[0].Add ( (int) temp3 );
|
||||||
combDelays_[1].Add ( (int) temp4 );
|
combDelays_[1].Add ( (int) temp4 );
|
||||||
combDelays_[2].Add ( (int) temp5 );
|
combDelays_[2].Add ( (int) temp5 );
|
||||||
combDelays_[3].Add ( (int) temp6 );
|
combDelays_[3].Add ( (int) temp6 );
|
||||||
|
|
||||||
return ( temp3 + temp4 + temp5 + temp6 ) * (double) 0.5;
|
return ( temp3 + temp4 + temp5 + temp6 ) * (double) 0.5;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/******************************************************************************\
|
/******************************************************************************\
|
||||||
* GUI Utilities *
|
* GUI Utilities *
|
||||||
\******************************************************************************/
|
\******************************************************************************/
|
||||||
// About dialog ----------------------------------------------------------------
|
// About dialog ----------------------------------------------------------------
|
||||||
CAboutDlg::CAboutDlg ( QWidget* parent ) : QDialog ( parent )
|
CAboutDlg::CAboutDlg ( QWidget* parent ) : QDialog ( parent )
|
||||||
{
|
{
|
||||||
setupUi ( this );
|
setupUi ( this );
|
||||||
|
|
||||||
// set the text for the about dialog html text control
|
// set the text for the about dialog html text control
|
||||||
txvCredits->setOpenExternalLinks ( true );
|
txvCredits->setOpenExternalLinks ( true );
|
||||||
txvCredits->setText (
|
txvCredits->setText (
|
||||||
"<p>" // general description of llcon software
|
"<p>" // general description of llcon software
|
||||||
"<big><b>llcon</b> " + tr("The llcon software enables musicians to "
|
"<big><b>llcon</b> " + tr("The llcon software enables musicians to "
|
||||||
"perform real-time jam sessions over the internet. There is a llcon "
|
"perform real-time jam sessions over the internet. There is a llcon "
|
||||||
"server which collects the audio data from each llcon client, "
|
"server which collects the audio data from each llcon client, "
|
||||||
"mixes the audio data and sends the mix back to each client.") +
|
"mixes the audio data and sends the mix back to each client.") +
|
||||||
"</big></p><br>"
|
"</big></p><br>"
|
||||||
"<p><font face=\"courier\">" // GPL header text
|
"<p><font face=\"courier\">" // GPL header text
|
||||||
"This program is free software; you can redistribute it and/or modify "
|
"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 "
|
"it under the terms of the GNU General Public License as published by "
|
||||||
"the Free Software Foundation; either version 2 of the License, or "
|
"the Free Software Foundation; either version 2 of the License, or "
|
||||||
"(at your option) any later version.<br>This program is distributed in "
|
"(at your option) any later version.<br>This program is distributed in "
|
||||||
"the hope that it will be useful, but WITHOUT ANY WARRANTY; without "
|
"the hope that it will be useful, but WITHOUT ANY WARRANTY; without "
|
||||||
"even the implied warranty of MERCHANTABILITY or FITNESS FOR A "
|
"even the implied warranty of MERCHANTABILITY or FITNESS FOR A "
|
||||||
"PARTICULAR PURPOSE. See the GNU General Public License for more "
|
"PARTICULAR PURPOSE. See the GNU General Public License for more "
|
||||||
"details.<br>You should have received a copy of the GNU General Public "
|
"details.<br>You should have received a copy of the GNU General Public "
|
||||||
"License along with his program; if not, write to the Free Software "
|
"License along with his program; if not, write to the Free Software "
|
||||||
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 "
|
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 "
|
||||||
"USA"
|
"USA"
|
||||||
"</font></p><br>"
|
"</font></p><br>"
|
||||||
"<p><b>" + // libraries used by this compilation of llcon
|
"<p><b>" + // libraries used by this compilation of llcon
|
||||||
tr("llcon uses the following libraries, resources or code snippets:") +
|
tr("llcon uses the following libraries, resources or code snippets:") +
|
||||||
"</b></p>"
|
"</b></p>"
|
||||||
"<ul>"
|
"<ul>"
|
||||||
"<li>Qt cross-platform application framework: "
|
"<li>Qt cross-platform application framework: "
|
||||||
"<i><a href=""http://trolltech.com"">http://trolltech.com</a></i></li>"
|
"<i><a href=""http://trolltech.com"">http://trolltech.com</a></i></li>"
|
||||||
"<li>The CELT ultra-low delay audio codec: "
|
"<li>The CELT ultra-low delay audio codec: "
|
||||||
"<i><a href=""http://www.celt-codec.org"">http://www.celt-codec.org</a></i></li>"
|
"<i><a href=""http://www.celt-codec.org"">http://www.celt-codec.org</a></i></li>"
|
||||||
"<li>Audio reverberation code: by Perry R. Cook and Gary P. Scavone, "
|
"<li>Audio reverberation code: by Perry R. Cook and Gary P. Scavone, "
|
||||||
"1995 - 2004 (taken from "
|
"1995 - 2004 (taken from "
|
||||||
"<i><a href=""http://ccrma.stanford.edu/software/stk"">"
|
"<i><a href=""http://ccrma.stanford.edu/software/stk"">"
|
||||||
"The Synthesis ToolKit in C++ (STK)</a></i>)</li>"
|
"The Synthesis ToolKit in C++ (STK)</a></i>)</li>"
|
||||||
"<li>Parts from Dream DRM Receiver by Volker Fischer and Alexander "
|
"<li>Parts from Dream DRM Receiver by Volker Fischer and Alexander "
|
||||||
"Kurpiers: "
|
"Kurpiers: "
|
||||||
"<i><a href=""http://drm.sf.net"">http://drm.sf.net</a></i></li>"
|
"<i><a href=""http://drm.sf.net"">http://drm.sf.net</a></i></li>"
|
||||||
"<li>Some pixmaps are from <i>Clker.com - vector clip art online, "
|
"<li>Some pixmaps are from <i>Clker.com - vector clip art online, "
|
||||||
"royalty free & public domain</i></li>"
|
"royalty free & public domain</i></li>"
|
||||||
"</ul>"
|
"</ul>"
|
||||||
"</center><br>");
|
"</center><br>");
|
||||||
|
|
||||||
// set version number in about dialog
|
// set version number in about dialog
|
||||||
lblVersion->setText ( GetVersionAndNameStr() );
|
lblVersion->setText ( GetVersionAndNameStr() );
|
||||||
}
|
}
|
||||||
|
|
||||||
QString CAboutDlg::GetVersionAndNameStr ( const bool bWithHtml )
|
QString CAboutDlg::GetVersionAndNameStr ( const bool bWithHtml )
|
||||||
{
|
{
|
||||||
QString strVersionText = "";
|
QString strVersionText = "";
|
||||||
|
|
||||||
// name, short description and GPL hint
|
// name, short description and GPL hint
|
||||||
if ( bWithHtml )
|
if ( bWithHtml )
|
||||||
{
|
{
|
||||||
strVersionText += "<center><b>";
|
strVersionText += "<center><b>";
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
strVersionText += " *** ";
|
strVersionText += " *** ";
|
||||||
}
|
}
|
||||||
|
|
||||||
strVersionText += tr ( "llcon, Version " ) + VERSION;
|
strVersionText += tr ( "llcon, Version " ) + VERSION;
|
||||||
|
|
||||||
if ( bWithHtml )
|
if ( bWithHtml )
|
||||||
{
|
{
|
||||||
strVersionText += "</b><br>";
|
strVersionText += "</b><br>";
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
strVersionText += "\n *** ";
|
strVersionText += "\n *** ";
|
||||||
}
|
}
|
||||||
|
|
||||||
strVersionText += tr ( "llcon, Low-Latency (internet) CONnection" );
|
strVersionText += tr ( "llcon, Low-Latency (internet) CONnection" );
|
||||||
|
|
||||||
if ( bWithHtml )
|
if ( bWithHtml )
|
||||||
{
|
{
|
||||||
strVersionText += "<br>";
|
strVersionText += "<br>";
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
strVersionText += "\n *** ";
|
strVersionText += "\n *** ";
|
||||||
}
|
}
|
||||||
|
|
||||||
strVersionText += tr ( "Under the GNU General Public License (GPL)" );
|
strVersionText += tr ( "Under the GNU General Public License (GPL)" );
|
||||||
|
|
||||||
if ( bWithHtml )
|
if ( bWithHtml )
|
||||||
{
|
{
|
||||||
strVersionText += "</center>";
|
strVersionText += "</center>";
|
||||||
}
|
}
|
||||||
|
|
||||||
return strVersionText;
|
return strVersionText;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
// Help menu -------------------------------------------------------------------
|
// Help menu -------------------------------------------------------------------
|
||||||
CLlconHelpMenu::CLlconHelpMenu ( QWidget* parent ) : QMenu ( "&?", parent )
|
CLlconHelpMenu::CLlconHelpMenu ( QWidget* parent ) : QMenu ( "&?", parent )
|
||||||
{
|
{
|
||||||
// standard help menu consists of about and what's this help
|
// standard help menu consists of about and what's this help
|
||||||
addAction ( tr ( "What's &This" ), this,
|
addAction ( tr ( "What's &This" ), this,
|
||||||
SLOT ( OnHelpWhatsThis() ), QKeySequence ( Qt::SHIFT + Qt::Key_F1 ) );
|
SLOT ( OnHelpWhatsThis() ), QKeySequence ( Qt::SHIFT + Qt::Key_F1 ) );
|
||||||
|
|
||||||
addSeparator();
|
addSeparator();
|
||||||
addAction ( tr ( "&Download Link..." ), this,
|
addAction ( tr ( "&Download Link..." ), this,
|
||||||
SLOT ( OnHelpDownloadLink() ) );
|
SLOT ( OnHelpDownloadLink() ) );
|
||||||
|
|
||||||
addSeparator();
|
addSeparator();
|
||||||
addAction ( tr ( "&About..." ), this, SLOT ( OnHelpAbout() ) );
|
addAction ( tr ( "&About..." ), this, SLOT ( OnHelpAbout() ) );
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/******************************************************************************\
|
/******************************************************************************\
|
||||||
* Other Classes *
|
* Other Classes *
|
||||||
\******************************************************************************/
|
\******************************************************************************/
|
||||||
bool LlconNetwUtil::ParseNetworkAddress ( QString strAddress,
|
bool LlconNetwUtil::ParseNetworkAddress ( QString strAddress,
|
||||||
CHostAddress& HostAddress )
|
CHostAddress& HostAddress )
|
||||||
{
|
{
|
||||||
QHostAddress InetAddr;
|
QHostAddress InetAddr;
|
||||||
quint16 iNetPort = LLCON_DEFAULT_PORT_NUMBER;
|
quint16 iNetPort = LLCON_DEFAULT_PORT_NUMBER;
|
||||||
|
|
||||||
// parse input address for the type [IP address]:[port number]
|
// init requested host address with invalid address first
|
||||||
QString strPort = strAddress.section ( ":", 1, 1 );
|
HostAddress = CHostAddress();
|
||||||
if ( !strPort.isEmpty() )
|
|
||||||
{
|
// parse input address for the type [IP address]:[port number]
|
||||||
// a colon is present in the address string, try to extract port number
|
QString strPort = strAddress.section ( ":", 1, 1 );
|
||||||
iNetPort = strPort.toInt();
|
if ( !strPort.isEmpty() )
|
||||||
|
{
|
||||||
// extract address port before colon (should be actual internet address)
|
// a colon is present in the address string, try to extract port number
|
||||||
strAddress = strAddress.section ( ":", 0, 0 );
|
iNetPort = strPort.toInt();
|
||||||
}
|
|
||||||
|
// extract address port before colon (should be actual internet address)
|
||||||
// first try if this is an IP number an can directly applied to QHostAddress
|
strAddress = strAddress.section ( ":", 0, 0 );
|
||||||
if ( !InetAddr.setAddress ( strAddress ) )
|
}
|
||||||
{
|
|
||||||
// it was no vaild IP address, try to get host by name, assuming
|
// first try if this is an IP number an can directly applied to QHostAddress
|
||||||
// that the string contains a valid host name string
|
if ( !InetAddr.setAddress ( strAddress ) )
|
||||||
const QHostInfo HostInfo = QHostInfo::fromName ( strAddress );
|
{
|
||||||
|
// it was no vaild IP address, try to get host by name, assuming
|
||||||
if ( HostInfo.error() == QHostInfo::NoError )
|
// that the string contains a valid host name string
|
||||||
{
|
const QHostInfo HostInfo = QHostInfo::fromName ( strAddress );
|
||||||
// apply IP address to QT object
|
|
||||||
if ( !HostInfo.addresses().isEmpty() )
|
if ( HostInfo.error() == QHostInfo::NoError )
|
||||||
{
|
{
|
||||||
// use the first IP address
|
// apply IP address to QT object
|
||||||
InetAddr = HostInfo.addresses().first();
|
if ( !HostInfo.addresses().isEmpty() )
|
||||||
}
|
{
|
||||||
}
|
// use the first IP address
|
||||||
else
|
InetAddr = HostInfo.addresses().first();
|
||||||
{
|
}
|
||||||
return false; // invalid address
|
}
|
||||||
}
|
else
|
||||||
}
|
{
|
||||||
|
return false; // invalid address
|
||||||
HostAddress = CHostAddress ( InetAddr, iNetPort );
|
}
|
||||||
|
}
|
||||||
return true;
|
|
||||||
}
|
HostAddress = CHostAddress ( InetAddr, iNetPort );
|
||||||
|
|
||||||
|
return true;
|
||||||
/******************************************************************************\
|
}
|
||||||
* Global Functions Implementation *
|
|
||||||
\******************************************************************************/
|
|
||||||
void DebugError ( const QString& pchErDescr,
|
/******************************************************************************\
|
||||||
const QString& pchPar1Descr,
|
* Global Functions Implementation *
|
||||||
const double dPar1,
|
\******************************************************************************/
|
||||||
const QString& pchPar2Descr,
|
void DebugError ( const QString& pchErDescr,
|
||||||
const double dPar2 )
|
const QString& pchPar1Descr,
|
||||||
{
|
const double dPar1,
|
||||||
QFile File ( "DebugError.dat" );
|
const QString& pchPar2Descr,
|
||||||
if ( File.open ( QIODevice::Append ) )
|
const double dPar2 )
|
||||||
{
|
{
|
||||||
// append new line in logging file
|
QFile File ( "DebugError.dat" );
|
||||||
QTextStream out ( &File );
|
if ( File.open ( QIODevice::Append ) )
|
||||||
out << pchErDescr << " ### " <<
|
{
|
||||||
pchPar1Descr << ": " << QString().setNum ( dPar1, 'f', 2 ) <<
|
// append new line in logging file
|
||||||
" ### " <<
|
QTextStream out ( &File );
|
||||||
pchPar2Descr << ": " << QString().setNum ( dPar2, 'f', 2 ) <<
|
out << pchErDescr << " ### " <<
|
||||||
endl;
|
pchPar1Descr << ": " << QString().setNum ( dPar1, 'f', 2 ) <<
|
||||||
|
" ### " <<
|
||||||
File.close();
|
pchPar2Descr << ": " << QString().setNum ( dPar2, 'f', 2 ) <<
|
||||||
}
|
endl;
|
||||||
printf ( "\nDebug error! For more information see test/DebugError.dat\n" );
|
|
||||||
exit ( 1 );
|
File.close();
|
||||||
}
|
}
|
||||||
|
printf ( "\nDebug error! For more information see test/DebugError.dat\n" );
|
||||||
|
exit ( 1 );
|
||||||
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user