// Method: Create new chat room.
public void CreateChatRoom(ClientConnection client)
{
// Create new local chat room, assign room name, add owner of chat room.
string chatRoomName = "S2R" + _chatRoomCount.ToString();
_chatRoomCount++;
LocalChatRoom newChatRoom = new LocalChatRoom(this, chatRoomName, client.ThisUser);
// Update chat room list.
_localCR.Add(newChatRoom);
// Update user's current chat room.
client.ThisUser.CurrentChatRoom = newChatRoom;
// Remove user from main hall.
_mainHall.RemoveUser(client.ThisUser);
Console.WriteLine("Update chat room list: " + _localCR.ToString());
// Preparing the packet to echo back to client.
_packetSent.title = MsgTitle.confirm_created.ToString();
_packetSent.time = _now;
_packetSent.content = "created " + newChatRoom.RoomName + " you can start chatting now";
_packetSent.IP = client.ClientSocket.LocalEndPoint.ToString();
_packetSent.sender = this.ServerName;
// Sending packet.
client.sendMsg(_packetSent);
if (_peerServerDict.Count != 0)
{
// Preparing packet to send to other servers.
_packetSent.title = MsgTitle.add_chatroom.ToString();
_packetSent.content = chatRoomName;
foreach (var entry in _peerServerDict.Values)
{
_packetSent.IP = entry.ClientSocket.LocalEndPoint.ToString();
entry.sendMsg(_packetSent);
}
}
}
// Method: Add an user to a chat room when they request to join.
public void JoinChatroom(ClientConnection client)
{
// Start preparing common features of packet.
_packetSent.time = _now;
_packetSent.IP = client.ClientSocket.LocalEndPoint.ToString();
string chatRoom = null;
bool roomAlreadyExisted = false;
foreach (ChatRoom room in _localCR)
{
// Check if the room requested exists.
if (_packetReceived.content.Equals(room.RoomName))
{
roomAlreadyExisted = true;
// Remove user from main hall.
_mainHall.RemoveUser(client.ThisUser);
// Adding user to the room.
room.AddUser(client.ThisUser);
// Updating user's current room.
client.ThisUser.CurrentChatRoom = room;
// Preparing packet to be sent.
_packetSent.content = "Joined " + room.RoomName + ". You can start sending message now";
_packetSent.title = MsgTitle.confirm_joined.ToString();
_packetSent.sender = this.ServerName;
chatRoom = room.RoomName;
break;
}
}
// If room does not exist
if (!roomAlreadyExisted)
{
// Create new room and assign name.
string roomName = "S2R" + _chatRoomCount.ToString();
LocalChatRoom newChatRoom = new LocalChatRoom(this, roomName, client.ThisUser);
// Add chat room to server's list of chat room.
_localCR.Add(newChatRoom);
// Remove user from main hall.
_mainHall.RemoveUser(client.ThisUser);
// Adding user to newly created room.
newChatRoom.AddUser(client.ThisUser);
// Updating user's current room.
client.ThisUser.CurrentChatRoom = newChatRoom;
// Preparing packet to be sent.
_packetSent.content = "Room does not exist. Created a new room: " + roomName;
_packetSent.title = MsgTitle.confirm_created.ToString();
_packetSent.sender = this.ServerName;
chatRoom = roomName;
}
client.sendMsg(_packetSent);
if (_peerServerDict.Count != 0)
{
// Preparing packet to send to other servers.
_packetSent.title = MsgTitle.client_to_chatroom.ToString();
_packetSent.content = chatRoom + " " + client.ThisUser.UserName;
foreach (var entry in _peerServerDict.Values)
{
_packetSent.IP = entry.ClientSocket.LocalEndPoint.ToString();
entry.sendMsg(_packetSent);
}
}
}
