Added abandoned KDE3 version of K3B

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 255 insertions, 0 deletions

diff --git a/libk3b/tools/k3bactivepipe.cpp b/libk3b/tools/k3bactivepipe.cpp
new file mode 100644
index 0000000..5a1e575
--- /dev/null
+++ b/libk3b/tools/k3bactivepipe.cpp
@@ -0,0 +1,255 @@
+/* 
+ *
+ * $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
+ * Copyright (C) 2006 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[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.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include "k3bactivepipe.h"
+
+#include <k3bpipe.h>
+
+#include <kdebug.h>
+
+#include <qthread.h>
+#include <qiodevice.h>
+
+#include <unistd.h>
+
+
+class K3bActivePipe::Private : public QThread
+{
+public:
+  Private( K3bActivePipe* pipe ) :
+    m_pipe( pipe ),
+    fdToReadFrom(-1),
+    fdToWriteTo(-1),
+    sourceIODevice(0),
+    sinkIODevice(0),
+    closeFdToReadFrom(false),
+    closeFdToWriteTo(false) {
+  }
+
+  void run() {
+    kdDebug() << "(K3bActivePipe) started thread." << endl;
+    bytesRead = bytesWritten = 0;
+    buffer.resize( 10*2048 );
+    ssize_t r = 0;
+    while( ( r = m_pipe->read( buffer.data(), buffer.size() ) ) > 0 ) {
+
+      bytesRead += r;
+
+      // write it out
+      ssize_t w = 0;
+      ssize_t ww = 0;
+      while( w < r ) {
+	if( ( ww = m_pipe->write( buffer.data()+w, r-w ) ) > 0 ) {
+	  w += ww;
+	  bytesWritten += ww;
+	}
+	else {
+	  kdDebug() << "(K3bActivePipe) write failed." << endl;
+	  close( closeWhenDone );
+	  return;
+	}
+      }
+    }
+    //    kdDebug() << "(K3bActivePipe) thread done: " << r << " (total bytes read/written: " << bytesRead << "/" << bytesWritten << ")" << endl;
+    close( closeWhenDone );
+  }
+
+  int readFd() const {
+    if( fdToReadFrom == -1 )
+      return pipeIn.out();
+    else
+      return fdToReadFrom;
+  }
+
+  int writeFd() const {
+    if( fdToWriteTo == -1 )
+      return pipeOut.in();
+    else
+      return fdToWriteTo;
+  }
+
+  void close( bool closeAll ) {
+    if( sourceIODevice )
+      sourceIODevice->close();
+    if( sinkIODevice )
+      sinkIODevice->close();
+
+    if( closeAll ) {
+      pipeIn.close();
+      pipeOut.close();
+      if( fdToWriteTo != -1 &&
+	  closeFdToWriteTo )
+	::close( fdToWriteTo );
+      
+      if( fdToReadFrom != -1 &&
+	  closeFdToReadFrom )
+	::close( fdToReadFrom );
+    }
+  }
+
+private:
+  K3bActivePipe* m_pipe;
+
+public:
+  int fdToReadFrom;
+  int fdToWriteTo;
+  K3bPipe pipeIn;
+  K3bPipe pipeOut;
+
+  QIODevice* sourceIODevice;
+  QIODevice* sinkIODevice;
+
+  bool closeWhenDone;
+  bool closeFdToReadFrom;
+  bool closeFdToWriteTo;
+
+  QByteArray buffer;
+
+  Q_UINT64 bytesRead;
+  Q_UINT64 bytesWritten;
+};
+
+
+K3bActivePipe::K3bActivePipe()
+{
+  d = new Private( this );
+}
+
+
+K3bActivePipe::~K3bActivePipe()
+{
+  delete d;
+}
+
+
+bool K3bActivePipe::open( bool closeWhenDone )
+{
+  if( d->running() )
+    return false;
+
+  d->closeWhenDone = closeWhenDone;
+
+  if( d->sourceIODevice ) {
+    if( !d->sourceIODevice->open( IO_ReadOnly ) )
+      return false;
+  }
+  else if( d->fdToReadFrom == -1 && !d->pipeIn.open() ) {
+    return false;
+  }
+
+  if( d->sinkIODevice ) {
+    if( !d->sinkIODevice->open( IO_WriteOnly ) )
+      return false;
+  }
+  else if( d->fdToWriteTo == -1 && !d->pipeOut.open() ) {
+    close();
+    return false;
+  }
+
+  kdDebug() << "(K3bActivePipe) successfully opened pipe." << endl;
+
+  d->start();
+  return true;
+}
+
+
+void K3bActivePipe::close()
+{
+  d->pipeIn.closeIn();
+  d->wait();
+  d->close( true );
+}
+
+
+void K3bActivePipe::readFromFd( int fd, bool close )
+{
+  d->fdToReadFrom = fd;
+  d->sourceIODevice = 0;
+  d->closeFdToReadFrom = close;
+}
+
+
+void K3bActivePipe::writeToFd( int fd, bool close )
+{
+  d->fdToWriteTo = fd;
+  d->sinkIODevice = 0;
+  d->closeFdToWriteTo = close;
+}
+
+
+void K3bActivePipe::readFromIODevice( QIODevice* dev )
+{
+  d->fdToReadFrom = -1;
+  d->sourceIODevice = dev;
+}
+
+
+void K3bActivePipe::writeToIODevice( QIODevice* dev )
+{
+  d->fdToWriteTo = -1;
+  d->sinkIODevice = dev;
+}
+
+
+int K3bActivePipe::in() const
+{
+  return d->pipeIn.in();
+}
+
+
+int K3bActivePipe::out() const
+{
+  return d->pipeOut.out();
+}
+
+
+int K3bActivePipe::read( char* data, int max )
+{
+  if( d->sourceIODevice )
+    return d->sourceIODevice->readBlock( data, max );
+  else
+    return ::read( d->readFd(), data, max );
+}
+
+
+int K3bActivePipe::write( char* data, int max )
+{
+  if( d->sinkIODevice )
+    return d->sinkIODevice->writeBlock( data, max );
+  else
+    return ::write( d->writeFd(), data, max );
+}
+
+
+bool K3bActivePipe::pumpSync()
+{
+  if( open( true ) )
+    d->wait();
+  else
+    return false;
+  return true;
+}
+
+
+Q_UINT64 K3bActivePipe::bytesRead() const
+{
+  return d->bytesRead;
+}
+
+
+Q_UINT64 K3bActivePipe::bytesWritten() const
+{
+  return d->bytesWritten;
+}