/// <summary>
/// Unregisters the local client from broadcasts directed at the specified room.
/// </summary>
/// <param name="membership">The room membership.</param>
public bool Leave(RoomMembership membership)
{
var index = FindById(membership.RoomId);
if (!index.HasValue)
{
return(false);
}
var m = _rooms[index.Value];
m.Count--;
_rooms[index.Value] = m;
if (m.Count <= 0)
{
//Remove membership
_rooms.RemoveAt(index.Value);
//Invoke event
OnLeftRoom(membership);
return(true);
}
return(false);
}
private void OnLeftRoom(RoomMembership membership)
{
Log.Debug("Left chat room '{0}'", membership.RoomName);
//Remove from name list
var idIndex = _roomNames.BinarySearch(membership.RoomName);
if (idIndex >= 0)
{
_roomNames.RemoveAt(idIndex);
}
var handler = LeftRoom;
if (handler != null)
{
handler(membership.RoomName);
}
}
private void OnJoinedRoom(RoomMembership membership)
{
Log.Debug("Joined chat room '{0}'", membership.RoomName);
//Add to name list
var idIndex = _roomNames.BinarySearch(membership.RoomName);
if (idIndex < 0)
{
_roomNames.Insert(~idIndex, membership.RoomName);
}
var handler = JoinedRoom;
if (handler != null)
{
handler(membership.RoomName);
}
}
/// <summary>
/// Registers the local client as interested in broadcasts directed at the specified room.
/// </summary>
/// <param name="roomName">The room name.</param>
public RoomMembership Join(string roomName)
{
if (roomName == null)
{
throw new ArgumentNullException("roomName", "Cannot join a null room");
}
var membership = new RoomMembership(roomName, 1);
//Check to see if we already have this membership in the list
var index = _rooms.BinarySearch(membership, Comparer);
if (_rooms.Count == 0 || index < 0)
{
//Insert membership into list (making sure to keep it in order)
var i = ~index;
if (i == _rooms.Count)
{
_rooms.Add(membership);
}
else
{
_rooms.Insert(i, membership);
}
//newly joined, so invoke the event
OnJoinedRoom(roomName);
}
else
{
//We're already in this room, increment the subscriber count
var m = _rooms[index];
m.Count++;
_rooms[index] = m;
}
return(membership);
}
