/// <summary>
/// Stops the server totally and disconnect all connections.
/// </summary>
public void Stop()
{
Message message = new Message(Configuration.localUser, null, "UserDisconnect");
if (ConnectionOverClient)
{
tcpClient.Send(Message.GenerateTCPNotify(message));
}
else if (connectionOverServer)
{
tcpServer.Send(control.GraphicControl.CurrentlyActiveChatUser, Message.GenerateTCPNotify(message));
}
tcpServer.Stop();
tcpClient.Disconnect();
}
/// <summary>
/// Generates a message of type TCPNotfy;fromUserName;fromUserId;message
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public static string GenerateTCPNotify(Message message)
{
return "TCPNotify;" + message.FromUser.Name + ";" + message.FromUser.Id + ";;;" + message.MessageContent;
}
/// <summary>
/// Generates a message of type TCPMessage;fromUserName;fromUserId;toUserName;toUserId,message
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public static string GenerateTCPMessage(Message message)
{
return "TCPMessage;" + message.FromUser.Name + ";" + message.FromUser.Id + ";" + message.ToUser.Name + ";" + message.ToUser.Id + ";" + message.MessageContent;
}
/// <summary>
/// Send a notfiy message to the current open connection
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
internal bool SendNotify(Message message)
{
if (ConnectionOverClient)
{
tcpClient.Send(Message.GenerateTCPNotify(message));
}
else if (ConnectionOverServer)
{
tcpServer.Send(message.ToUser, Message.GenerateTCPNotify(message));
}
else
{
Logger.LogError("There is currently no connection!");
return false;
}
return true;
}
internal void SetConnectionInformation(Message message)
{
control.GraphicControl.InitiateCurrentlyActiveUser(message);
}
/// <summary>
/// Send the username Change to the remote connection
/// </summary>
/// <param name="message"></param>
internal void RenameUsernameNotifyRemote(Message message)
{
SendNotify(message);
}
/// <summary>
/// Informs the graphical interface about a new currently active user
/// </summary>
/// <param name="message"></param>
internal void NoftifyFromCurrentUser(Message message)
{
if (message.MessageContent.StartsWith("UserDisconnect"))
{
if (connectionOverClient)
{
CloseConnectionFromClient();
}
else if (connectionOverServer)
{
CloseConnectionFromServer();
}
} else if (message.MessageContent.StartsWith("Rename:"))
{
control.GraphicControl.InitiateCurrentlyActiveUser(message);
}
}
/// <summary>
/// Manages an incoming message from the client. Send message to graphic controller
/// </summary>
/// <param name="content"></param>
internal void IncomingMessage(Message content)
{
if (content.FromUser.Equals(control.GraphicControl.CurrentlyActiveChatUser) ||
control.GraphicControl.CurrentlyActiveChatUser == null)
{
control.GraphicControl.ReceiveMessage(content);
}
}
/// <summary>
/// Notifys the Gui Thread when there is a new connection established.
/// </summary>
/// <param name="tcpAcceptMessage"></param>
internal void IncomingConnectionFromServer(Message tcpAcceptMessage)
{
lock (incomingConnectionLock)
{
if (!ConnectionOverClient && !ConnectionOverServer)
{
ConnectionOverServer = true;
control.GraphicControl.CurrentlyActiveChatUser = new ExtendedUser(tcpAcceptMessage.FromUser);
}
}
}
/// <summary>
/// Adds the socket to the connection list, if not exisiting
/// </summary>
/// <param name="message"></param>
/// <param name="handle"></param>
internal void AddSocketToList(Socket handle, Message message)
{
/* Add the new contact to the connection list */
bool isAlreadyInList = false;
ExtendedUser exUser = ExtendedUser.ParseFromMessage(message);
foreach (UserConnection uc in ConnectionList)
{
if (uc.Equals(exUser))
{
isAlreadyInList = true;
break;
}
}
if (!isAlreadyInList)
{
Logger.LogInfo("Add user " + (message.FromUser == null) + " " + (message.ToUser == null) + " ");
ConnectionList.AddLast(new UserConnection(exUser, handle));
}
}
