2019-05-24 Fred Gleason <fredg@paravelsystems.com>

* Added an 'RDSocketStrings()' function in
	'lib/rdsocketstrings.[cpp|h]'.
	* Fixed a bug in 'RDLiveWire' that caused false watchdog triggers.

lib/rdsocketstrings.cpp

@@ -0,0 +1,114 @@
+//   rdsocketstrings.cpp
+//
+//   Human-readable strings for QAbstractSocket::SocketError
+//
+//   (C) Copyright 2019 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Library General Public License 
+//   version 2 as published by the Free Software Foundation.
+//
+//   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#include "rdsocketstrings.h"
+
+//
+// This REALLY ought to be provided by QAbstractSocket!
+//
+QString RDSocketStrings(QAbstractSocket::SocketError err)
+{
+  QString ret="unknown socket error";
+
+  switch(err) {
+  case QAbstractSocket::ErrConnectionRefused:
+    ret="connection refused";
+    break;
+
+  case QAbstractSocket::ErrHostNotFound:
+    ret="host not found";
+    break;
+
+  case QAbstractSocket::ErrSocketRead:
+    ret="socket read error";
+    break;
+
+  case QAbstractSocket::RemoteHostClosedError:
+    ret="remote host closed connection";
+    break;
+
+  case QAbstractSocket::SocketAccessError:
+    ret="socket access error";
+    break;
+
+  case QAbstractSocket::SocketResourceError:
+    ret="socket resource error";
+    break;
+
+  case QAbstractSocket::SocketTimeoutError:
+    ret="connection timed out";
+    break;
+
+  case QAbstractSocket::DatagramTooLargeError:
+    ret="datagram too large";
+    break;
+
+  case QAbstractSocket::NetworkError:
+    ret="general network error";
+    break;
+
+  case QAbstractSocket::AddressInUseError:
+    ret="socket address in use";
+    break;
+
+  case QAbstractSocket::SocketAddressNotAvailableError:
+    ret="socket address not available";
+    break;
+
+  case QAbstractSocket::UnsupportedSocketOperationError:
+    ret="unsupported socket operation";
+    break;
+
+  case QAbstractSocket::UnfinishedSocketOperationError:
+    ret="unfinished socket operation";
+    break;
+
+  case QAbstractSocket::ProxyAuthenticationRequiredError:
+    ret="proxy authentication required";
+    break;
+
+  case QAbstractSocket::SslHandshakeFailedError:
+    ret="ssl handshake failed";
+    break;
+
+  case QAbstractSocket::ProxyConnectionRefusedError:
+    ret="proxy connection refused";
+    break;
+
+  case QAbstractSocket::ProxyConnectionClosedError:
+    ret="proxy closed connection";
+    break;
+
+  case QAbstractSocket::ProxyConnectionTimeoutError:
+    ret="proxy connection timed out";
+    break;
+
+  case QAbstractSocket::ProxyNotFoundError:
+    ret="proxy not found";
+    break;
+
+  case QAbstractSocket::ProxyProtocolError:
+    ret="proxy protocol error";
+    break;
+
+  }
+
+  return ret;
+}