void Disconnected(WsConnection sender, EventArgs e)
{
log.InfoFormat("Unattached socket disconnected, handle = {0}",
sender._mySocket.Handle.ToString());
_unknown.Remove(sender);
}
public void Disconnected(WsConnection sender, EventArgs e)
{
if (AgentDisconnected != null)
{
AgentDisconnected(this, EventArgs.Empty);
}
}
public void MessageReceived(WsConnection sender,
MessageReceivedEventArgs e)
{
if (e.Message.Length >= 1)
{
if (e.Message[0] == '\u0003')
{
if (AgentDisconnected != null)
{
AgentDisconnected(this, EventArgs.Empty);
}
}
else if (e.Message.Length > 1)
{
string s = e.Message.Substring(0, 1);
int i = 0;
if (int.TryParse(s, out i))
{
WsClientConnection client = _clients[i];
if (client != null)
{
client.SendMessage(e.Message.Substring(2));
}
}
}
}
}
public WsClientConnection(WsConnection conn,
WsAgentConnection agent,
int id,
string name)
{
_connection = conn;
_agent = agent;
_clientID = id;
_name = name;
}
public WsAgentConnection(WsConnection conn, string name)
{
_connection = conn;
_name = name;
// Initialize our client list
_clients = new Dictionary <int, WsClientConnection>();
for (int i = 1; i <= 4; i++)
{
_clients.Add(i, null);
}
}
public void MessageReceived(WsConnection sender,
MessageReceivedEventArgs e)
{
if (_agent != null && e.Message.Length > 0)
{
if (e.Message[0] == '\u0003')
{
if (ClientDisconnected != null)
{
ClientDisconnected(this, EventArgs.Empty);
}
}
else
{
_agent.SendMessage(_clientID.ToString() + ": " + e.Message);
}
}
}
private void OnConnect(IAsyncResult asyn)
{
// create a new socket for the connection
Socket socket = _listener.EndAccept(asyn);
// Perform the necessary handshaking
PerformHandshake(socket);
log.InfoFormat("New socket created, handle = {0}",
socket.Handle.ToString());
// Create a WsConnection object for this connection
WsConnection client = new WsConnection(socket);
_unknown.Add(client);
// Wire-up the event handlers
client.MessageReceived += new MessageReceivedEventHandler(MessageReceived);
client.Disconnected += new WsDisconnectedEventHandler(Disconnected);
// Listen for more connections
_listener.BeginAccept(new AsyncCallback(OnConnect), null);
}
void MessageReceived(WsConnection sender, MessageReceivedEventArgs e)
{
string msg = e.Message;
log.Debug("Message received: " + msg);
if (e.DataLength > 14 && (msg.Substring(0, 14) == "[Agent SignOn:"))
{
// This is an agent signing on
string name = msg.Substring(14, e.DataLength - 15);
WsAgentConnection agent = new WsAgentConnection(sender, name);
// Re-wire the event handlers
sender.Disconnected -= Disconnected;
sender.MessageReceived -= MessageReceived;
sender.Disconnected += agent.Disconnected;
sender.MessageReceived += agent.MessageReceived;
agent.AgentDisconnected +=
new WsDisconnectedAgentEventHandler(AgentDisconnected);
// Move this socket to the agent list
_unknown.Remove(sender);
_agents.Add(agent);
log.InfoFormat("Socket attached to agent {0}, handle = {1}",
name, sender._mySocket.Handle.ToString());
// Send a response
agent.SendMessage("Welcome, " + name);
}
else if (e.DataLength > 15 &&
(msg.Substring(0, 15) == "[Client SignOn:"))
{
// This is a client requesting assistance
string name = msg.Substring(15, e.DataLength - 16);
// Find an agent
WsAgentConnection agent = null;
int clientID = 0;
foreach (WsAgentConnection a in _agents)
{
foreach (KeyValuePair <int, WsClientConnection> d in a._clients)
{
if (d.Value == null)
{
agent = a;
clientID = d.Key;
break;
}
}
if (agent != null)
{
break;
}
}
if (agent != null)
{
WsClientConnection client =
new WsClientConnection(sender, agent, clientID, name);
log.InfoFormat("Client {0} assigned to agent {1}", name, agent._name);
// Re-wire the event handlers
sender.Disconnected -= Disconnected;
sender.MessageReceived -= MessageReceived;
sender.Disconnected += client.Disconnected;
sender.MessageReceived += client.MessageReceived;
client.ClientDisconnected +=
new WsDisconnectedClientEventHandler(ClientDisconnected);
// Add this to the agent list
_unknown.Remove(sender);
_clients.Add(client);
agent._clients[clientID] = client;
// Send a message to the agent
agent.SendMessage("[ClientName:" + clientID.ToString() +
name + "]");
// Send a response
client.SendMessage("Hello! My name is " + agent._name +
". How may I help you?");
}
else
{
// There are no agents available
sender.SendMessage("There are no agents currently available;" +
"please try again later");
sender.Dispose();
}
}
}
