public void BroadcastMessageAsync(IMessage message)
{
for (int i = 0; i < mGroupClients.Count; ++i)
{
IClientDetails currClientDetails = mGroupClients[i];
IClient currClient = null;
if (clientConnections.ContainsKey(currClientDetails))
{
currClient = clientConnections[currClientDetails];
}
else
{
currClient = new P2PClient(ListenPort, currClientDetails.ClientIPAddress,
currClientDetails.ClientListenPort, Group);
currClient.Initialize();
}
currClient.SendMessageAsync(message);
if (!clientConnections.ContainsKey(currClientDetails))
{
clientConnections[currClientDetails] = currClient;
}
}
}
public void SendMessageAsync(IMessage message, IClientDetails details)
{
if (message == null)
{
//throw a null reference exception
throw new NullReferenceException("The supplied IMessage object is null!");
}
if (details == null)
{
//throw a null reference exception
throw new NullReferenceException("The supplied IClientDetails object is null!");
}
IClient currClient = null;
if (clientConnections.ContainsKey(details))
{
currClient = clientConnections[details];
}
else
{
currClient = new P2PClient(ListenPort, details.ClientIPAddress, details.ClientListenPort, Group);
currClient.Initialize();
}
currClient.SendMessageAsync(message);
if (!clientConnections.ContainsKey(details))
{
clientConnections[details] = currClient;
}
}
public void BroadcastMessageAsyncExceptAddress(string[] addressesToExclude, IMessage message)
{
for (int i = 0; i < mGroupClients.Count; ++i)
{
IClientDetails currClientDetails = mGroupClients[i];
var skip = false;
for (var j = 0; j < addressesToExclude.Length; j++)
{
if (addressesToExclude[j] == currClientDetails.ToString())
{
skip = true;
}
}
if (skip)
{
continue; //skip if should be excluded
}
//set client
IClient currClient = null;
if (clientConnections.ContainsKey(currClientDetails))
{
currClient = clientConnections[currClientDetails];
}
else
{
currClient = new P2PClient(ListenPort, currClientDetails.ClientIPAddress, currClientDetails.ClientListenPort, Group);
currClient.Initialize();
}
//send message
currClient.SendMessageAsync(message);
//add to clientConnections if not there already
if (!clientConnections.ContainsKey(currClientDetails))
{
clientConnections[currClientDetails] = currClient;
}
}
}
public void OnHandleClientData(IAsyncResult asyncResult)
{
try
{
TxRxPacket dataStatus = (TxRxPacket)asyncResult.AsyncState;
dataStatus.mCurrentSocket.EndReceive(asyncResult);
dataStatus.StoreCurrentData();
IMessage rxMessage = mMessageParser.ParseMessage(dataStatus.mStoredBuffer);
if (rxMessage == null)
{
//receive the rest of the message
dataStatus.mCurrentSocket.BeginReceive(dataStatus.mDataBuffer, 0, dataStatus.mDataBuffer.Length,
SocketFlags.None, new AsyncCallback(OnHandleClientData), dataStatus);
return;
}
//handle the message (which can either be register or unregister)
//send response message if needed
switch (rxMessage.Type)
{
case ((int)MessageType.ResgisteredClientsListMessage):
{
Socket workerSocket = dataStatus.mCurrentSocket;
//respond with the current group in the message
RegisteredClientsListMessage rxClientList = (RegisteredClientsListMessage)rxMessage;
if (rxClientList.Clients != null)
{
for (int i = 0; i < rxClientList.Clients.Count; ++i)
{
groupClientsDetails.Add(rxClientList.Clients[i]);
//register on each of them
IClient client = new P2PClient(mListenPort, rxClientList.Clients[i].ClientIPAddress,
rxClientList.Clients[i].ClientListenPort, group);
client.Initialize();
client = null;
}
if (mOnRecieveListOfClients != null && group == ((RegisteredClientsListMessage)rxMessage).Group)
{
mOnRecieveListOfClients.Invoke(this, new ReceiveListOfClientsEventArgs(((RegisteredClientsListMessage)rxMessage).Clients));
}
}
break;
}
case ((int)MessageType.RegisterMessage):
{
if (!(groupClientsDetails.IndexOf(((RegisterMessage)rxMessage).Client) >= 0))
{
groupClientsDetails.Add(((RegisterMessage)rxMessage).Client);
if (mOnRegisterClient != null && group == ((RegisterMessage)rxMessage).Group)
{
mOnRegisterClient.Invoke(this, new ServerRegisterEventArgs(((RegisterMessage)rxMessage).Client));
}
if (mOnReceiveMessage != null)
{
mOnReceiveMessage.Invoke(this, new ReceiveMessageEventArgs(rxMessage));
}
}
break;
}
case ((int)MessageType.UnregisterMessage):
{
if ((groupClientsDetails.IndexOf(((UnregisterMessage)rxMessage).Client) >= 0))
{
groupClientsDetails.Remove(((UnregisterMessage)rxMessage).Client);
if (mOnUnRegisterClient != null && group == ((UnregisterMessage)rxMessage).Group)
{
mOnUnRegisterClient.Invoke(this,
new ServerRegisterEventArgs(((UnregisterMessage)rxMessage).Client));
}
}
break;
}
case ((int)MessageType.CommandMessage):
{
if (mOnReceiveMessage != null)
{
mOnReceiveMessage.Invoke(this, new ReceiveMessageEventArgs(rxMessage));
}
break;
}
default:
{
if (rxMessage.Type != ((int)MessageType.EmptyMessage))
{
if (mOnReceiveMessage != null)
{
mOnReceiveMessage.Invoke(this,
new ReceiveMessageEventArgs(rxMessage));
}
}
break;
}
}
}
catch (ObjectDisposedException ex)
{
System.Diagnostics.Debug.WriteLine("Socket has been closed : " + ex.Message);
}
catch (SocketException ex)
{
if (ex.ErrorCode == 10054) // Error code for Connection reset by peer
{
System.Diagnostics.Debug.WriteLine("Connection reset by peer : " + ex.Message);
}
else
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
}
public void Initialize()
{
mListener.Initialize();
mClient.Initialize();
}
