/// <summary>
/// Main entrypoint of the program.
/// Starts the server, then listens for user commands.
/// </summary>
/// <param name="args">Command line arguments</param>
static void Main(string[] args)
{
while (restart)
{
exit = false;
restart = true;
Console.Out.WriteLine("Server autostarting at port " + PORT);
//Start server
ChatroomList chatroomList = new ChatroomList();
Console.WriteLine("Loading...");
if (LoadSaveData(chatroomList))
{
Console.WriteLine("Loading successful");
}
else
{
Console.WriteLine("No data found. Starting with defaults.");
ChatroomLogic mainRoom = new ChatroomLogic();
ChatroomLogic mainRoom2 = new ChatroomLogic();
mainRoom.name = "Global 1";
mainRoom2.name = "Global 2";
chatroomList.addChat(mainRoom);
chatroomList.addChat(mainRoom2);
ChatroomList.chatroomServices.CreateChatroom(
mainRoom.name, mainRoom.chatroomID, TEST_CLIENT, "pass", ChatType.MULTIPLE_USERS);
ChatroomList.chatroomServices.CreateChatroom(
mainRoom2.name, mainRoom2.chatroomID, TEST_CLIENT, "pass", ChatType.MULTIPLE_USERS);
}
TcpListener serverSocket
= new TcpListener(System.Net.IPAddress.Loopback, PORT);
serverSocket.Start();
Thread connectorThread = new Thread(
() => handleIncomingConnections(serverSocket, chatroomList));
connectorThread.Name = "Connector Thread";
connectorThread.Priority = ThreadPriority.Lowest;
connectorThread.Start();
while (!exit)
{
RespondToUserInput();
}
Console.WriteLine("Saving...");
serverSocket.Stop();
chatroomList.SendGlobalMessage(new Message {
chatID = -1,
command = "CLOSING",
message = "0"
});
chatroomList.Stop();
if (restart == true)
{
Console.WriteLine("Restarting...");
}
}
}
/// <summary>
/// One thread will be assigned to
/// handling new connections and will create a new
/// ClientConnection object for every new connection.
/// </summary>
/// <param name="serverSocket">The socket to listen for
/// incoming connections</param>
/// <param name="chatroomList">The current chatroomList</param>
private static void handleIncomingConnections(
TcpListener serverSocket, ChatroomList chatroomList)
{
try
{
while (true)
{
TcpClient socket = serverSocket.AcceptTcpClient();
Console.WriteLine("A new client has connected");
NetworkStream stream = socket.GetStream();
ClientConnection client
= new ClientConnection(stream, chatroomList);
client.StartAsync();
}
}
catch (ThreadAbortException tae) {}
catch (SocketException se) {}
}
/// <summary>
/// Helper function for loading in SQL database data.
/// </summary>
/// <param name="chatroomList"></param>
/// <returns>Returns true if load was successful,
/// false otherwise.</returns>
private static bool LoadSaveData(ChatroomList chatroomList)
{
try
{
int hightestChatroomID = 0;
DataTable dataTable
= ChatroomList.chatroomServices.GetAllChatrooms();
if (dataTable.Rows.Count != 0)
{
foreach (DataRow row in dataTable.Rows)
{
string name = row["chatroomname"].ToString();
int id = int.Parse(row["chatroomid"].ToString());
ChatroomLogic temp = new ChatroomLogic();
temp.name = name;
temp.chatroomID = id;
hightestChatroomID =
hightestChatroomID > id ? hightestChatroomID : id;
chatroomList.addChat(temp);
DataTable userTable
= ChatroomList.chatroomServices.GetChatUsers(
temp.chatroomID);
foreach (DataRow userRow in userTable.Rows)
{
int userId = -1;
if (int.TryParse(userRow["userid"].ToString(),
out userId))
{
temp.RegisteredUsers.Add(userId);
}
}
}
ChatroomLogic.numChatRoomsCreated = hightestChatroomID + 1;
return(true);
}
}
catch (Exception e) { }
return(false);
}
/// <summary>
/// Constructor that requires a network stream to listen to and
/// a chatroom list.
/// </summary>
/// <param name="ns"></param>
/// <param name="chatroomList"></param>
public ClientConnection(NetworkStream ns, ChatroomList chatroomList)
{
this.networkStream = ns;
this.chatroomList = chatroomList;
messageService = new MessageService(ns);
}
