private void CreateAndSendPacket(string type, string message = null)
{
PacketStruct packetStruct = new PacketStruct
{
Type = type,
User = username,
Message = message
};
MessageQueue.Enqueue(JsonConvert.SerializeObject(packetStruct));
}
public void HandleReceiver(object _client)
{
// retrieve client and create reader
TcpClient client = (TcpClient)_client;
StreamReader sReader = new StreamReader(client.GetStream(), Encoding.ASCII);
PacketStruct packet = new PacketStruct();
while (client.Connected)
{
//Deserialize packet from StreamReader
try { packet = JsonConvert.DeserializeObject <PacketStruct>(sReader.ReadLine()); }
catch { packet = new PacketStruct(); }
//Check packet type and act accordingly
switch (packet.Type)
{
case "join":
CreateAndSendPacket("send", "Server", $"{packet.User} has joined the network!");
CreateAndSendPacket("ucu", packet.User, JsonConvert.SerializeObject(ConnectedUsers));
ConnectedUsers.Add(packet.User);
ConnectedUsers.Sort();
CreateAndSendPacket("acu", packet.User);
break;
case "close":
CreateAndSendPacket("send", "Server", $"{packet.User} has left the network!");
ConnectedUsers.Remove(packet.User);
ConnectedUsers.Sort();
CreateAndSendPacket("rcu", packet.User);
client.Dispose();
break;
case "statchange":
CreateAndSendPacket("statchange", packet.User, packet.Message);
break;
case "send":
CreateAndSendPacket("send", packet.User, packet.Message);
break;
default:
client.Dispose();
break;
}
}
}
private void HandleReceiver()
{
//set delegates
AddRichMsg addRichMsg = RichMessageReceived;
AddUserBlock addUser = AddConnectedUser;
DelUserBlock delUser = RemoveConnectedUser;
//send to server join message
PacketStruct packetStruct = new PacketStruct
{
Type = "join",
User = username
};
_sWriter.WriteLine(JsonConvert.SerializeObject(packetStruct));
_sWriter.Flush();
//while connected, recieve messages and process them
PacketStruct packet = new PacketStruct();
while (isConnected)
{
//Deserialize packet from StreamReader
try { packet = JsonConvert.DeserializeObject <PacketStruct>(_sReader.ReadLine()); }
catch { packet = new PacketStruct(); }
switch (packet.Type)
{
case "rcu":
Invoke(delUser, packet.User);
break;
case "acu":
Invoke(addUser, packet.User);
break;
case "ucu":
if (packet.User == username)
{
List <string> usersList = JsonConvert.DeserializeObject <List <string> >(packet.Message);
foreach (string user in usersList)
{
Invoke(addUser, user);
}
}
break;
case "statchange":
ConnectedUserBlock selectedUser = (ConnectedUserBlock)Panel_ConnectedUsersList.Controls.Find(packet.User, false)[0];
switch (packet.Message)
{
case "0":
selectedUser.User_OnlineStatus.BackColor = Color.FromArgb(147, 196, 125);
break;
case "1":
selectedUser.User_OnlineStatus.BackColor = Color.FromArgb(255, 217, 102);
break;
case "2":
selectedUser.User_OnlineStatus.BackColor = Color.FromArgb(224, 102, 102);
break;
case "3":
selectedUser.User_OnlineStatus.BackColor = Color.FromArgb(153, 153, 153);
break;
}
break;
default:
try { Invoke(addRichMsg, new Tuple <string, string>(packet.User, packet.Message)); }
catch { break; }
break;
}
}
}
