/// <summary>
/// Transmit message via UDP.
/// </summary>
/// <param name="message">Message to send via UDP.</param>
/// <returns></returns>
private bool TransmitMessage(NiawaNetDatagram message)
{
bool succeeded = false;
//attempt lock
bool tryLock = lockSection.WaitOne(60000);
if (!tryLock) throw new TimeoutException("[" + _description + "-T] Could not obtain lock while sending message");
try
{
Byte[] messageBytes = message.ToByteArray();
//send message
/*v1*/
//_netUdpClient.Connect(_groupEndpoint);
//_netUdpClient.Send(messageBytes, messageBytes.Length, _localEP);
//_netUdpClient.Close();
//_netUdpClient = null;
//messageInProgressGuid = string.Empty;
/*v2*/
//_netUdpClient.Send(messageBytes, messageBytes.Length, _localEP);
/*v3*/
if (messageBytes.Length > 65000)
{
//message is too long
throw new InvalidOperationException("UdpTransmitter cannot send a message with length greater than 65000 bytes.");
}
else
{
bool tryLock2 = lockSentMessageGuidBuffer.WaitOne(5000);
if (tryLock2 == false) throw new TimeoutException("Could not obtain lock on Sent Message GUID Buffer while sending message.");
try
{
//add guid to sent buffer
_sentMessageGuidBuffer.Add(message.Guid);
if (_sentMessageGuidBuffer.Count > 1000) _sentMessageGuidBuffer.RemoveAt(0);
}
finally
{
lockSentMessageGuidBuffer.Release();
}
//send
_netUdpClient.Send(messageBytes, messageBytes.Length);
}
succeeded = true;
}
catch (Exception ex)
{
logger.Error("[" + _description + "-M] Error while transmitting message: " + ex.Message, ex);
throw ex;
}
finally
{
//release lock
lockSection.Release();
}
logger.Info("[" + _description + "-T] Message sent: Type [" + message.MessageType + "] SerialID [" + message.SerialID + "] Guid [" + message.Guid.ToString() + "]");
_evtRaiser.RaiseEvent("Message", "Message sent [" + message.SerialID + "]"
, Niawa.Utilities.InlineSortedListCreator.CreateStrStr("NiawaNetMessage", message.ToJson())
, _threadStatus.NodeID
, _threadStatus.ParentNodeID);
_threadStatus.MessageCount += 1;
return succeeded;
}
