Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Z/src/tcpserver/cbi_recvfile.cpp

@@ -0,0 +1,86 @@
+
+
+
+#include "cbi_recvfile.h"
+#include "workerbase.h"
+
+#include <QtNetwork/QAbstractSocket>
+#include <QtCore/QList>
+#include <QtCore/QFile>
+#include <stdio.h>
+
+CBI_Recvfile::CBI_Recvfile(unsigned short port)
+  : CommandInterface(port, "RECV_FILE")
+{}
+
+void CBI_Recvfile::handleCommandInternal(const QVector<QByteArray> &args)
+{
+  if (args.count() != 2)
+  {
+    writeError(QLatin1String("Invalid arg count: RECV_FILE <filename> <filesize>"));
+    return;
+  }
+
+  QString fn = QString::fromUtf8(args[0]);
+  int size;
+  getValue(args[1], size);
+
+  QFile *f = new QFile(fn);
+  if (!f->open(QIODevice::WriteOnly | QIODevice::Truncate))
+  {
+    writeError(QStringLiteral("Could not open %1 for writing").arg(fn));
+    return;
+  }
+  m_wbMap.insert(workerBase(), QPair<QIODevice *, int>(f, size));
+  workerBase()->redirectDataHandling(true, this);
+}
+
+void CBI_Recvfile::newPlainData()
+{
+  WorkerBase *wb = workerBase();
+  QAbstractSocket *in = socket();
+  QIODevice *out = m_wbMap[ wb ].first;
+  if (!out)
+  {
+    in->write("ERROR\n");
+    
+    wb->redirectDataHandling(false);
+    return;
+  }
+  int size = m_wbMap[ wb ].second;
+
+  
+  QByteArray ba(10, 0);    
+  do
+  {
+    qint64 bytesRead = in->read(ba.data(), ba.size() < size ? ba.size() : size);
+    if (bytesRead < 0)
+    {
+      in->write("ERROR\n");
+      
+      m_wbMap.remove(wb);
+      wb->redirectDataHandling(false);
+      return;
+    }
+    size -= bytesRead;
+    out->write(ba.constData(), bytesRead);
+  }
+  while (size > 0 && in->bytesAvailable());
+
+  
+  if (size != 0)
+  {
+    m_wbMap[ wb ].second = size;
+    return;
+  }
+  out->close();
+  delete out;
+  
+  m_wbMap.remove(wb);
+  wb->redirectDataHandling(false);
+}
+
+QString CBI_Recvfile::help() const
+{
+  return QLatin1String("RECV_FILE <filename> <filesize>");
+}