private void StartListeningMulticast()
{
Log(LogLevel.Info, "Listen thread multicast started");
string savedData = string.Empty;
while (_isStarted)
{
try
{
int nrOfBytesAvailable = _multicastSocket.Available;
if (nrOfBytesAvailable > 0)
{
byte[] buffer = new byte[nrOfBytesAvailable];
int received = _multicastSocket.Receive(buffer);
if (_logLevel >= LogLevel.Full)
{
Log(LogLevel.Info, "Nr of bytes available: " + nrOfBytesAvailable + "; Nr of bytes for current datagram: " + received);
}
Encoding encoding = Encoding.UTF8;
string data = encoding.GetString(buffer, 0, received);
if (_logLevel >= LogLevel.Full)
{
StringBuilder sb = new StringBuilder();
sb.Append("Multicast Data received. Length: " + data.Length.ToString().PadLeft(5) + " (" + received.ToString().PadLeft(5) + " bytes)");
sb.Append(Environment.NewLine);
sb.Append("[begin]");
sb.Append(Environment.NewLine);
sb.Append(data);
sb.Append(Environment.NewLine);
sb.Append("[end]");
Log(LogLevel.Full, sb.ToString());
}
else
{
Log(LogLevel.Info, "Multicast Data received. Length: " + data.Length.ToString().PadLeft(5) + " (" + received.ToString().PadLeft(5) + " bytes)");
}
savedData += data;
const string messageEnd = "</Message>";
// do we have a message?
int indexOfEOM = savedData.IndexOf(messageEnd);
while (indexOfEOM != -1)
{
int messageLength = indexOfEOM + messageEnd.Length;
lock (_receiveQueue.SyncRoot)
{
string completeMessage = savedData.Substring(0, messageLength);
CommunicationMessage message = new CommunicationMessage(completeMessage, true);
if (!message.IsForward())
{
_receiveQueue.Enqueue(message);
}
}
if (savedData.Length > messageLength)
{
savedData = savedData.Substring(messageLength);
indexOfEOM = savedData.IndexOf(messageEnd);
}
else
{
savedData = string.Empty;
break;
}
}
}
}
catch (SocketException socketException)
{
LogException(socketException);
OnReceiveError(socketException);
}
catch (Exception exception)
{
LogException(exception);
}
Thread.Sleep(10);
}
Log(LogLevel.Info, "Listen thread multicast stopped");
}
private void StartListeningMulticast()
{
Log(LogLevel.Info, "Listen thread multicast started");
string savedData = string.Empty;
while (_isStarted)
{
try
{
int nrOfBytesAvailable = _multicastSocket.Available;
if (nrOfBytesAvailable > 0)
{
byte[] buffer = new byte[nrOfBytesAvailable];
int received = _multicastSocket.Receive(buffer);
if (_logLevel >= LogLevel.Full)
{
Log(LogLevel.Info, "Nr of bytes available: " + nrOfBytesAvailable + "; Nr of bytes for current datagram: " + received);
}
Encoding encoding = Encoding.UTF8;
string data = encoding.GetString(buffer, 0, received);
if (_logLevel >= LogLevel.Full)
{
StringBuilder sb = new StringBuilder();
sb.Append("Multicast Data received. Length: " + data.Length.ToString().PadLeft(5) + " (" + received.ToString().PadLeft(5) + " bytes)");
sb.Append(Environment.NewLine);
sb.Append("[begin]");
sb.Append(Environment.NewLine);
sb.Append(data);
sb.Append(Environment.NewLine);
sb.Append("[end]");
Log(LogLevel.Full, sb.ToString());
}
else
{
Log(LogLevel.Info, "Multicast Data received. Length: " + data.Length.ToString().PadLeft(5) + " (" + received.ToString().PadLeft(5) + " bytes)");
}
savedData += data;
const string messageEnd = "</Message>";
// do we have a message?
int indexOfEOM = savedData.IndexOf(messageEnd);
while (indexOfEOM != -1)
{
int messageLength = indexOfEOM + messageEnd.Length;
lock (_receiveQueue.SyncRoot)
{
string completeMessage = savedData.Substring(0, messageLength);
CommunicationMessage message = new CommunicationMessage(completeMessage, true);
if (!message.IsForward())
{
_receiveQueue.Enqueue(message);
}
}
if (savedData.Length > messageLength)
{
savedData = savedData.Substring(messageLength);
indexOfEOM = savedData.IndexOf(messageEnd);
}
else
{
savedData = string.Empty;
break;
}
}
}
}
catch (SocketException socketException)
{
LogException(socketException);
OnReceiveError(socketException);
}
catch (Exception exception)
{
LogException(exception);
}
Thread.Sleep(10);
}
Log(LogLevel.Info, "Listen thread multicast stopped");
}
