public void SendToAll(PacketInfo packetInfo)
{
foreach (Client client in Clients)
{
client.SendPacket(packetInfo);
}
}
private bool ClientConnect(Client client, string password = "")
{
if (!string.IsNullOrEmpty(Password) && !password.Equals(Password, StringComparison.InvariantCultureIgnoreCase))
{
KickClient(client, "Wrong password.");
return(false);
}
string nickname = client.UserInfo.Nickname;
if (string.IsNullOrEmpty(nickname) || nickname.Equals(Nickname, StringComparison.InvariantCultureIgnoreCase))
{
KickClient(client, "Invalid nickname.");
return(false);
}
if (Clients.Any(x => nickname.Equals(x.UserInfo.Nickname, StringComparison.InvariantCultureIgnoreCase)))
{
KickClient(client, "Nickname is already in use: " + nickname);
return(false);
}
Clients.Add(client);
OnUserConnected(client.UserInfo);
client.Authorized = true;
SendUserList(client);
PacketInfo packetInfoConnected = new PacketInfo("Connected");
packetInfoConnected.Data = client.UserInfo;
SendToAll(packetInfoConnected);
return(true);
}
private void ClientMessageReceived(Client client, string text)
{
OnConsoleOutput(string.Format("{0} {1}: {2}", client.UserInfo.Nickname, client.IP, text));
PacketInfo packetInfo;
try
{
packetInfo = JsonConvert.DeserializeObject <PacketInfo>(text);
}
catch
{
return;
}
if (packetInfo != null && !string.IsNullOrEmpty(packetInfo.Command))
{
if (packetInfo.Command == "Connect")
{
client.UserInfo.Nickname = packetInfo.GetParameter("Nickname");
string password = packetInfo.GetParameter("Password");
ClientConnect(client, password);
}
else if (client.Authorized)
{
switch (packetInfo.Command)
{
case "Disconnect":
string reason = packetInfo.GetParameter("Reason");
ClientDisconnected(client, reason);
break;
case "Message":
if (client.Authorized)
{
PacketInfo packetInfoMessage = new PacketInfo("Message");
MessageInfo messageInfo = packetInfo.GetData <MessageInfo>();
messageInfo.FromUser = client.UserInfo;
packetInfoMessage.Data = messageInfo;
if (messageInfo.ToUser != null && !string.IsNullOrEmpty(messageInfo.ToUser.Nickname))
{
SendTo(messageInfo.ToUser, packetInfoMessage);
SendTo(messageInfo.FromUser, packetInfoMessage);
}
else
{
SendToAll(packetInfoMessage);
}
}
break;
case "Ping":
SendTo(client.UserInfo, new PacketInfo("Pong"));
break;
}
}
}
}
public void Disconnect()
{
PacketInfo packetInfo = new PacketInfo("Disconnect");
packetInfo.AddParameter("Reason", "User disconnect");
client.SendPacket(packetInfo);
client.Disconnect();
}
public void SendUserList(Client client)
{
if (Clients.Count > 0)
{
PacketInfo packetInfo = new PacketInfo("UserList");
packetInfo.Data = Clients.Select(x => x.UserInfo).ToArray();
client.SendPacket(packetInfo);
}
}
public void SendMessageToAll(string nickname, string message)
{
if (!string.IsNullOrEmpty(nickname) && !string.IsNullOrEmpty(message))
{
PacketInfo packetInfoMessage = new PacketInfo("Message");
MessageInfo messageInfo = new MessageInfo(message);
messageInfo.FromUser = new UserInfo(nickname);
packetInfoMessage.Data = messageInfo;
SendToAll(packetInfoMessage);
}
}
public void KickClient(Client client, string reason = "")
{
PacketInfo packetInfo = new PacketInfo("Kick");
if (!string.IsNullOrEmpty(reason))
{
packetInfo.AddParameter("Reason", reason);
}
client.SendPacket(packetInfo);
client.Disconnect();
}
public bool SendTo(UserInfo userInfo, PacketInfo packetInfo)
{
if (userInfo != null && !string.IsNullOrEmpty(userInfo.Nickname))
{
Client client = Clients.FirstOrDefault(x => x.UserInfo.Nickname == userInfo.Nickname);
if (client != null)
{
client.SendPacket(packetInfo);
return(true);
}
}
return(false);
}
public void SendMessage(string message, string toUser, Color color)
{
if (!string.IsNullOrEmpty(message))
{
PacketInfo packetInfo = new PacketInfo("Message");
MessageInfo messageInfo = new MessageInfo(message);
if (!string.IsNullOrEmpty(toUser))
{
messageInfo.ToUser = new UserInfo(toUser);
}
messageInfo.TextColor = color;
packetInfo.Data = messageInfo;
client.SendPacket(packetInfo);
}
}
private void ClientDisconnected(Client client, string reason)
{
if (client.Authorized)
{
Clients.Remove(client);
OnUserDisconnected(client.UserInfo);
OnConsoleOutput(string.Format("Client disconnected: {0} {1} {2}", client.UserInfo.Nickname, client.IP, reason));
if (IsWorking)
{
PacketInfo packetInfoDisconnected = new PacketInfo("Disconnected");
packetInfoDisconnected.Data = client.UserInfo;
SendToAll(packetInfoDisconnected);
}
}
}
private void client_MessageReceived(Client client, string text)
{
PacketInfo packetInfo = JsonConvert.DeserializeObject <PacketInfo>(text);
if (packetInfo != null && !string.IsNullOrEmpty(packetInfo.Command))
{
switch (packetInfo.Command)
{
case "Connected":
UserInfo connectedUserInfo = packetInfo.GetData <UserInfo>();
OnNotification(connectedUserInfo.Nickname + " connected.");
OnUserConnected(connectedUserInfo);
break;
case "Disconnected":
UserInfo disconnectedUserInfo = packetInfo.GetData <UserInfo>();
OnNotification(disconnectedUserInfo.Nickname + " disconnected.");
OnUserDisconnected(disconnectedUserInfo);
break;
case "Message":
MessageInfo messageInfo = packetInfo.GetData <MessageInfo>();
OnMessageReceived(messageInfo);
break;
case "UserList":
UserInfo[] userList = packetInfo.GetData <UserInfo[]>();
OnUserListReceived(userList);
break;
case "Kick":
string reason = packetInfo.GetParameter("Reason");
OnKicked(reason);
break;
case "Pong":
if (pingTimer != null)
{
OnPong(pingTimer.ElapsedMilliseconds);
}
break;
}
}
}
private void SendPacketThread(PacketInfo packetInfo)
{
try
{
StreamWriter sw = new StreamWriter(client.GetStream());
JsonSerializerSettings jsonSettings = new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
};
string data = JsonConvert.SerializeObject(packetInfo, jsonSettings);
Debug.WriteLine("SendPacket: " + data);
sw.Write(data);
sw.Flush();
}
catch (Exception e)
{
Debug.WriteLine("Send packet failed: " + e.ToString());
}
}
public void Connect(string password = "")
{
try
{
client = new Client(IPAddress, Port);
client.UserInfo.Nickname = Nickname;
client.MessageReceived += client_MessageReceived;
client.Disconnected += client_Disconnected;
PacketInfo packetInfo = new PacketInfo("Connect");
packetInfo.AddParameter("Nickname", Nickname);
if (!string.IsNullOrEmpty(password))
{
packetInfo.AddParameter("Password", password);
}
client.SendPacket(packetInfo);
IsConnected = true;
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public void SendPacket(PacketInfo packetInfo)
{
new Thread(() => SendPacketThread(packetInfo)).Start();
}
