/*
* Implements IFacadeService
*/
public bool Connect()
{
if (!_isOnline)
{
_isOnline = true;
StartServices();
Log.Show(_username, "Attempting to Register user on central server\n");
_slotManager.Connect();
while (true)
{
try
{
Helper.GetRandomServer(_servers).RegisterUser(_username, Helper.GetIPAddress(), _port);
Log.Show(_username, "Succesfully Registered\n");
break;
}
catch (Exception e)
{
Log.Debug(_username, "\nEXCEPTION: " + e.Message);
}
}
return(true);
}
return(false);
}
private void NotifyPuppetMaster()
{
try
{
Log.Show(_username, "Trying to connect to Puppet Master on: " + connectionString);
pms.registerClient(_username, Helper.GetIPAddress(), _port);
Log.Show(_username, "Sucessfully registered client on Puppet Master.");
Log.WriteToFile(_logfile, _username, "Sucessfully registered client on Puppet Master.");
}
catch (SocketException)
{
Log.Show(_username, "Unable to connect to Puppet Master.");
Log.WriteToFile(_logfile, _username, "Unable to connect to Puppet Master");
}
}
/*
* SLOT MANAGER METHODS
*/
public bool StartReservation(ReservationRequest req)
{
//Updates request with sequence number
int resID = RetrieveSequenceNumber();
//Create and populate local reservation
Reservation res = CreateReservation(req, resID, _userName, Helper.GetIPAddress(), _port);
//Mark slots initial states
List <ReservationSlot> reservationSlots = CreateReservationSlots(req, resID);
//Update reservation request, removing aborted slots
foreach (ReservationSlot slot in new List <ReservationSlot>(reservationSlots))
{
if (slot.State == ReservationSlotState.ABORTED)
{
Log.Show(_userName, "Slot " + slot + " not available on initiator. Removing from reservation.");
//removing slot of original request, since it will be passed to participants
reservationSlots.Remove(slot);
req.Slots.Remove(slot.SlotID);
}
}
res.Slots = reservationSlots;
Log.Show(_userName, "Starting reservation " + res.ReservationID + ". With participants " + string.Join(",", res.Participants) + ". Slots: " + string.Join(",", res.Slots));
//If no slots are available, cancel reservation
if (res.Slots.Count == 0)
{
Log.Show(_userName, "No available slots on initiator, aborting reservation.");
return(false);
}
//just the initiator is on the reservation
if (req.Users.Count == 1)
{
foreach (ReservationSlot slot in res.Slots)
{
Monitor.Enter(_calendar[slot.SlotID]);
try
{
CalendarSlot cSlot = _calendar[slot.SlotID];
if (slot.State != ReservationSlotState.ABORTED && !cSlot.Locked && cSlot.State != CalendarSlotState.ASSIGNED)
{
AssignCalendarSlot(res, slot, true);
return(true);
}
else if (slot.State != ReservationSlotState.ABORTED)
{
AbortReservationSlot(slot, true);
}
}
finally
{
Monitor.Exit(_calendar[slot.SlotID]);
}
}
return(false);
}
_clientMonitor.MonitorReservation(res);
//Add reservation to map of active reservations
_activeReservations[res.ReservationID] = res;
foreach (string participantID in res.Participants)
{
if (!participantID.Equals(_userName))
{
_msgDispatcher.SendMessage(MessageType.INIT_RESERVATION, resID, participantID, req, _userName, Helper.GetIPAddress(), _port);
}
}
return(true);
}
