private void ListenForRequests()
{
if (appWrapperProcess == null)
{
return;
}
SimpleThreadMessenger.HandleMessageFromQtAppWrapperDelegate handleMessageFromQtAppWrapperDelegate;
handleMessageFromQtAppWrapperDelegate = new SimpleThreadMessenger.HandleMessageFromQtAppWrapperDelegate(simpleThreadMessenger.HandleMessageFromQtAppWrapper);
bool firstIteration = true;
while (!terminateEditorThread)
{
try
{
if (!firstIteration)
{
if (appWrapperProcess.HasExited)
{
appWrapperProcess.Close();
}
}
else
{
firstIteration = false;
}
}
catch
{ }
appWrapperProcess.Start();
client = new TcpClient();
int connectionAttempts = 0;
int appwrapperPort = 12015;
while (!client.Connected && !terminateEditorThread && connectionAttempts < 10)
{
try
{
client.Connect(IPAddress.Loopback, appwrapperPort);
if (!client.Connected)
{
++connectionAttempts;
System.Threading.Thread.Sleep(1000);
}
}
catch
{
++connectionAttempts;
System.Threading.Thread.Sleep(1000);
}
}
if (connectionAttempts >= 10)
{
Messages.DisplayErrorMessage(SR.GetString("CouldNotConnectToAppwrapper", appwrapperPort));
terminateEditorThread = true;
}
if (terminateEditorThread)
{
TerminateClient();
return;
}
NetworkStream clientStream = client.GetStream();
// say hello to qtappwrapper
clientStream.Write(qtAppWrapperHelloMessage, 0, qtAppWrapperHelloMessage.Length);
clientStream.Flush();
byte[] message = new byte[4096];
int bytesRead;
while (!terminateEditorThread)
{
try
{
bytesRead = 0;
try
{
//blocks until a client sends a message
bytesRead = clientStream.Read(message, 0, 4096);
}
catch
{
// A socket error has occured, probably because
// the QtAppWrapper has been terminated.
// Break and then try to restart the QtAppWrapper.
break;
}
if (bytesRead == 0)
{
//the client has disconnected from the server
break;
}
//message has successfully been received
UnicodeEncoding encoder = new UnicodeEncoding();
string fullMessageString = encoder.GetString(message, 0, bytesRead);
string[] messages = fullMessageString.Split(new Char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string messageString in messages)
{
int index = messageString.IndexOf(' ');
int requestedPid = Convert.ToInt32(messageString.Substring(0, index));
int currentPid = System.Diagnostics.Process.GetCurrentProcess().Id;
if (requestedPid == currentPid)
{
// Actual file opening is done in the main thread.
string file = messageString.Substring(index + 1);
simpleThreadMessenger.Invoke(handleMessageFromQtAppWrapperDelegate, new object[] { file });
}
}
}
catch (System.Threading.ThreadAbortException)
{
break;
}
catch { }
}
TerminateClient();
}
}
private void ListenForRequests()
{
if (appWrapperProcess == null)
return;
SimpleThreadMessenger.HandleMessageFromQtAppWrapperDelegate handleMessageFromQtAppWrapperDelegate;
handleMessageFromQtAppWrapperDelegate = new SimpleThreadMessenger.HandleMessageFromQtAppWrapperDelegate(simpleThreadMessenger.HandleMessageFromQtAppWrapper);
bool firstIteration = true;
while (!terminateEditorThread)
{
try
{
if (!firstIteration)
{
if (appWrapperProcess.HasExited)
appWrapperProcess.Close();
}
else
{
firstIteration = false;
}
}
catch
{ }
appWrapperProcess.Start();
client = new TcpClient();
int connectionAttempts = 0;
int appwrapperPort = 12005;
while (!client.Connected && !terminateEditorThread && connectionAttempts < 10)
{
try
{
client.Connect(IPAddress.Loopback, appwrapperPort);
if (!client.Connected)
{
++connectionAttempts;
System.Threading.Thread.Sleep(1000);
}
}
catch
{
++connectionAttempts;
System.Threading.Thread.Sleep(1000);
}
}
if (connectionAttempts >= 10)
{
Messages.DisplayErrorMessage(SR.GetString("CouldNotConnectToAppwrapper", appwrapperPort));
terminateEditorThread = true;
}
if (terminateEditorThread)
{
TerminateClient();
return;
}
NetworkStream clientStream = client.GetStream();
// say hello to qtappwrapper
clientStream.Write(qtAppWrapperHelloMessage, 0, qtAppWrapperHelloMessage.Length);
clientStream.Flush();
byte[] message = new byte[4096];
int bytesRead;
while (!terminateEditorThread)
{
try
{
bytesRead = 0;
try
{
//blocks until a client sends a message
bytesRead = clientStream.Read(message, 0, 4096);
}
catch
{
// A socket error has occured, probably because
// the QtAppWrapper has been terminated.
// Break and then try to restart the QtAppWrapper.
break;
}
if (bytesRead == 0)
{
//the client has disconnected from the server
break;
}
//message has successfully been received
UnicodeEncoding encoder = new UnicodeEncoding();
string fullMessageString = encoder.GetString(message, 0, bytesRead);
string[] messages = fullMessageString.Split(new Char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string messageString in messages)
{
int index = messageString.IndexOf(' ');
int requestedPid = Convert.ToInt32(messageString.Substring(0, index));
int currentPid = System.Diagnostics.Process.GetCurrentProcess().Id;
if (requestedPid == currentPid)
{
// Actual file opening is done in the main thread.
string file = messageString.Substring(index + 1);
simpleThreadMessenger.Invoke(handleMessageFromQtAppWrapperDelegate, new object[] { file });
}
}
}
catch (System.Threading.ThreadAbortException)
{
break;
}
catch { }
}
TerminateClient();
}
}
