public Message Parse(string msg)
{
Message message = null;
try
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(msg);
string sender = this.GetSender(doc);
string command = this.GetCommand(doc);
List<string> receivers = this.GetReceivers(doc);
Dictionary<string, string> parameters = this.GetParameters(doc);
message = new Message(msg, sender, command, receivers, parameters);
}
catch
{
}
return message;
}
private void ReturnClients(Message message)
{
MessageGenerator generator = new MessageGenerator("CLIENTS", this.name);
generator.AddReceiver(message.Sender);
foreach (DataRow row in this.clientSet.Tables["Client"].Rows)
{
generator.AddParameter("Client", row["Name"].ToString());
}
this.Send(message.Sender, generator.GetMessage());
}
private void RegisterClient(Message message)
{
DataTable table = this.clientSet.Tables["Client"];
try
{
Dictionary<string, string> parameters = message.Parameters;
string sender = message.Sender;
string clientIP = parameters["IP"];
int clientPort = Convert.ToInt32(parameters["Port"]);
if ((message.Sender != null) || (message.Sender.Trim().Length != 0))
{
DataRow[] rowArray = table.Select(string.Format("Name='{0}'", message.Sender));
if (rowArray.Length == 0)
{
DataRow row = table.NewRow();
row["Name"] = sender;
row["IP"] = clientIP;
row["Port"] = clientPort;
row["Date"] = DateTime.Now.ToShortDateString();
table.Rows.Add(row);
}
else
{
rowArray[0]["Name"] = sender;
rowArray[0]["IP"] = clientIP;
rowArray[0]["Port"] = clientPort;
rowArray[0]["Date"] = DateTime.Now.ToShortDateString();
}
this.SaveTable();
if (this.OnClientConnect != null)
{
this.OnClientConnect(this, new ServerEventArgs(sender, clientIP, clientPort));
}
}
}
catch (Exception)
{
}
}
private void ProcessMessage(Message message)
{
switch (message.Command)
{
case "REG":
this.RegisterClient(message);
return;
case "UNREG":
this.UnregisterClient(message.Sender);
return;
case "CLIENTS":
this.ReturnClients(message);
return;
}
if (this.OnReceive != null)
{
this.OnReceive(this, message);
}
}
