Exemplo n.º 1
0
        internal bool AssignToSlave(MOG_Command pCommand)
        {
            MOG_Command pSlave = null;

            // Always make sure that the AssignedSlaveID is cleared just in case we fail
            pCommand.SetAssignedSlaveID(0);

            // Check if this is an exclusive command?
            if (pCommand.IsExclusiveCommand())
            {
                // Check if this exclusive command is already actively getting processed?
                if (CheckExclusiveCommands(pCommand))
                {
                    // Don't assign this exclusive command because there is already another one being processed
                    return(false);
                }
            }

            // Identify a valid slave based on the mValidSlaves?
            if (pCommand.GetValidSlaves().Length > 0)
            {
                // Look for a valid slave by scanning mAvailableSlaves
                for (int s = 0; s < mAvailableSlaves.Count; s++)
                {
                    // Is this slave's name specified in mValidSlaves?
                    pSlave = (MOG_Command)mAvailableSlaves[s];
                    if (pSlave != null)
                    {
                        if (IsSlaveListed(pSlave.GetComputerName(), pCommand.GetValidSlaves()))
                        {
                            break;
                        }
                    }

                    // Indicate that this slave wasn't listed in mValidSlaves
                    pSlave = null;
                }

                // No available valid slave found?
                if (pSlave == null)
                {
                    // Request a new slave respecting this command's valid slaves
                    RequestNewSlave(pCommand);
                    // Bail out since we need to wait for a slave to become available
                    return(false);
                }
            }
            else
            {
                // Check if we have run out of available slaves?
                if (mAvailableSlaves.Count == 0)
                {
                    // Request a new slave?
                    RequestNewSlave(pCommand);

                    // Bail out here because there were no slaves and it can take some time before any requested slaves will be launched
                    return(false);
                }

                // Since mValidSlaves was blank, get the first slave in the list
                pSlave = (MOG_Command)mAvailableSlaves[0];
            }

            // Did we actually locate a valid available slave?
            if (pSlave != null)
            {
                // Send the command to the available slave
                if (mServerCommandManager.SendToConnection(pSlave.GetNetworkID(), pCommand))
                {
                    // Assign the Slave's NetworkID within the command so we will know who is working on this command
                    pCommand.SetAssignedSlaveID(pSlave.GetNetworkID());
                    // Stick this command into the RegisteredSlave's command
                    pSlave.SetCommand(pCommand);
                    // Add the slave to mActiveSlaves
                    mActiveSlaves.Add(pSlave);
                    // Remove the top slave from mAvailableSlaves
                    mAvailableSlaves.Remove(pSlave);

                    // Send out needed Notify command
                    MOG_Command pNotify = MOG_CommandFactory.Setup_NotifyActiveConnection(pSlave);
                    mServerCommandManager.SendToActiveTab("Connections", pNotify);

                    pNotify = MOG_CommandFactory.Setup_NotifyActiveCommand(pCommand);
                    mServerCommandManager.SendToActiveTab("Connections", pNotify);

                    return(true);
                }
            }

            return(false);
        }