private void StartListening()
{
while (true)
{
try
{
byte[] buffer = new byte[1024];
int bytesRec = socket.Receive(buffer);
string data = Encoding.UTF8.GetString(buffer, 0, bytesRec);
Message message = Message.Parse(data);
Console.WriteLine(message.Data);
switch (message.MessageType)
{
case Message.Type.USUAL_MESSAGE:
server.SendAll(message);
break;
case Message.Type.PRIVATE_MESSAGE:
server.SendPrivate(message);
break;
}
}
catch (Exception e)
{
break;
}
}
}
private static string HandleMessage(string data)
{
Console.WriteLine("Received message");
var msg = new Message();
msg.Parse(data);
Console.WriteLine("Parsed message : {0}", msg.MessageType());
Console.WriteLine("Message timestamp : {0}", msg.MessageDateTime());
Console.WriteLine("Message control id : {0}", msg.MessageControlId());
// *********************************************************************
// Here you could do something usefull with the received message ;-)
// *********************************************************************
// todo
// Create a response message
//
var response = new Message();
var msh = new Segment("MSH");
msh.Field(2, "^~\\&");
msh.Field(7, DateTime.Now.ToString("yyyyMMddhhmmsszzz"));
msh.Field(9, "ACK");
msh.Field(10, Guid.NewGuid().ToString());
msh.Field(11, "P");
msh.Field(12, "2.5.1");
response.Add(msh);
var msa = new Segment("MSA");
msa.Field(1, "AA");
msa.Field(2, msg.MessageControlId());
response.Add(msa);
// Put response message into an MLLP frame ( <VT> data <FS><CR> )
//
var frame = new StringBuilder();
frame.Append((char)0x0B);
frame.Append(response.Serialize());
frame.Append((char)0x1C);
frame.Append((char)0x0D);
return(frame.ToString());
}
private static async Task HandleMessage(Message message, Stream stream)
{
// This is where the client can create requests about specifik data.
switch (message.Action)
{
case Action.ChatMessage:
var memberMessage = message.Parse <ChatMessage>();
await MessageOtherClientsAsync(Create(Action.ChatMessage, memberMessage), stream);
break;
case Action.PrivateChatMessage:
var pm = message.Parse <PrivateMessage>();
// If this got a value it means that the user is trying to whisper another user.
var maybeUser = Users
.SingleOrDefault(user => user.Name.Equals(pm.Recipent)) // Could be null
.ToMaybe() // Do the following functions as long as user is not null
.Select(user => user.Client.GetStream());
// If this got a value it means that the user is trying to whisper himself.
var maybeSelf = maybeUser
.Where(rStream => rStream.Equals(stream));
await maybeSelf
.SelectOrElse(
//Client whispered himself
rStream => SendPm(rStream, "You just whispered yourself", Server),
() => maybeUser.SelectOrElse(
// Client whispered a different client
rStream => SendPm(rStream, pm.Message, pm.Recipent),
// Client whispered a none existing client.
() => SendPm(stream, "PM: There's no user with that name", Server)
)
);
break;
}
}
public void Activate()
{
serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipPoint = new IPEndPoint(IPAddress.Parse(ipaddress), port);
serverSocket.Bind(ipPoint);
serverSocket.Listen(10);
NotifyAll("Server is online.\n IP Adress: " + ipaddress + ". Port: " + port);
running = true;
try
{
while (true)
{
Socket clientSocket = serverSocket.Accept();
byte[] buffer = new byte[1024];
int bytesRec = clientSocket.Receive(buffer);
string data = Encoding.UTF8.GetString(buffer, 0, bytesRec);
Message message = Message.Parse(data);
string user = message.From;
Console.WriteLine(message.Data);
ClientHandler client = new ClientHandler(this, clientSocket, user);
Clients.Add(client);
SendAll(new Message(user + " connected", "Server"));
NotifyAll(user + " connected");
SendUserList();
}
} catch
{
NotifyAll("Connection break");
}
}
