public void SlaveAdd()
{
MOG_CommandManager manager = MOG_ControllerSystem.GetCommandManager();
if (manager != null)
{
MOG_Network network = manager.GetNetwork();
if (network != null)
{
// Add a slave
MOG_ControllerSystem.LaunchSlave(network.GetID());
}
}
}
bool RequestNewSlave(MOG_Command pCommand)
{
MOG_Command pClient = null;
bool bAutoLaunchedSlave = false;
bool bThisSpecificSlaveBeingRequested = false;
// Check if we should wait a bit longer before we request a slave?
if (DateTime.Now < mNextSlaveRequstTime)
{
// Ignore this request
return(false);
}
// Check for a 'SlaveMachine' section in the System's config file?
MOG_Ini pConfigFile = MOG_ControllerSystem.GetSystem().GetConfigFile();
string[] validSlaveMachines = null;
if (pConfigFile.SectionExist("SlaveMachines"))
{
validSlaveMachines = pConfigFile.GetSectionKeys("SlaveMachines");
}
// Check if we obtained a list of validSlaveMachines?
if (validSlaveMachines != null &&
validSlaveMachines.Length > 0)
{
// Scan all the slaves specifically listed in our config file first
// Walk list of specified SlaveMachines?
foreach (string machineName in validSlaveMachines)
{
// Get the SlaveMachine info
string machinePriority = pConfigFile.GetString("SlaveMachines", machineName);
bThisSpecificSlaveBeingRequested = false;
// Check if we have already requested this slave?
if (IsAlreadyRequestedSlave(machineName))
{
// We can skip this machine because we have already issued a request for a slave
continue;
}
// Check if we had a specific list of validSlaves specified?
if (pCommand.GetValidSlaves().Length != 0)
{
// Check if this machineName isn't listed in the command's validSlaves?
if (IsSlaveListed(machineName, pCommand.GetValidSlaves()))
{
bThisSpecificSlaveBeingRequested = true;
}
else
{
// We can skip this machine because it isn't listed as a validSlave
continue;
}
}
// Check if there is already a slave running on this machine?
if (mServerCommandManager.LocateRegisteredSlaveByComputerName(machineName) != null)
{
continue;
}
// Make sure there is a client running on this machine?
pClient = mServerCommandManager.LocateClientByComputerName(machineName);
if (pClient != null)
{
// Check if this Slave should be considered an AutoLaunchedSlave?
if (String.Compare(machinePriority, "Always", true) != 0 &&
String.Compare(machinePriority, "Yes", true) != 0 &&
String.Compare(machinePriority, "True", true) != 0)
{
// Indicate this slave should be terminated when it is no longer needed
bAutoLaunchedSlave = true;
}
break;
}
}
}
// Check if we are still missing a client to launch a slave on?
if (pClient == null)
{
// Scan all the registered clients looking for one that we can send this request to?
ArrayList registeredClients = this.mServerCommandManager.GetRegisteredClients();
for (int c = 0; c < registeredClients.Count; c++)
{
MOG_Command pRegisteredClient = (MOG_Command)registeredClients[c];
string machineName = pRegisteredClient.GetComputerName();
bThisSpecificSlaveBeingRequested = false;
// Check if we have already requested this slave?
if (IsAlreadyRequestedSlave(machineName))
{
// We can skip this machine because we have already issued a request for a slave
continue;
}
// Check if there is already a slave running on this machine?
if (mServerCommandManager.LocateRegisteredSlaveByComputerName(machineName) != null)
{
continue;
}
// Check if we had a specific list of validSlaves specified?
if (pCommand.GetValidSlaves().Length != 0)
{
// Check if this machineName isn't listed in the specified validSlaves?
if (IsSlaveListed(machineName, pCommand.GetValidSlaves()))
{
bThisSpecificSlaveBeingRequested = true;
}
else
{
// We can skip this machine because it isn't listed as a validSlave
continue;
}
}
else
{
// Check if there was a list of validSlaveMachines specified?
if (validSlaveMachines != null)
{
// Check if this computer was listed?
if (pConfigFile.KeyExist("SlaveMachines", machineName))
{
// Make sure this isn't listed as an exclusion?
string machinePriority = pConfigFile.GetString("SlaveMachines", machineName);
if (String.Compare(machinePriority, "Never", true) != 0 ||
String.Compare(machinePriority, "No", true) != 0 ||
String.Compare(machinePriority, "Exempt", true) != 0 ||
String.Compare(machinePriority, "Ignore", true) != 0 ||
String.Compare(machinePriority, "Skip", true) != 0)
{
continue;
}
}
}
}
// Looks like we can use this client
pClient = pRegisteredClient;
// Indicate this slave should be terminated when it is no longer needed
bAutoLaunchedSlave = true;
break;
}
}
// Check if this is just a generic slave request?
if (!bThisSpecificSlaveBeingRequested)
{
// Check if we have a maximum number of slaves to auto launch? and
// Check if we are over our maximum number of slaves?
if (mManagedSlavesMax != 0 &&
mManagedSlavesMax < mAutoLaunchedSlaveNames.Count)
{
// No need to launch this slave because we have exceeded our max
return(false);
}
}
// Check if we found a client that we can request a new slave from?
if (pClient != null)
{
// Instruct this client to launch a slave
MOG_ControllerSystem.LaunchSlave(pClient.GetNetworkID());
// Track when this last request was made
mNextSlaveRequstTime = DateTime.Now.AddSeconds(5);
// Add this slave to our list of requested slave names
AddRequestedSlave(pClient.GetComputerName());
// Check if we should add this slave as an AutoLaunchedSlave?
if (bAutoLaunchedSlave)
{
AddAutoLaunchedSlaveName(pClient.GetComputerName());
}
// Indicate we launched a new slave
return(true);
}
// Check if it is time to report a missing slave error?
if (DateTime.Now > mNextNoSlaveReportTime)
{
// Check if there was a specific validslaves listed?
if (pCommand.GetValidSlaves().Length > 0)
{
bool bWarnUser = true;
// Split up the specified ValidSlaves
String delimStr = ",;";
Char[] delimiter = delimStr.ToCharArray();
String[] SlaveNames = pCommand.GetValidSlaves().Trim().Split(delimiter);
// Check the registered slaves to see if a valid slave is running
for (int n = 0; n < SlaveNames.Length; n++)
{
// Check if we found our matching slave name?
if (mServerCommandManager.LocateRegisteredSlaveByComputerName(SlaveNames[n]) != null)
{
// We found a match...this command will eventually get processed
bWarnUser = false;
break;
}
}
// Check if we decided to warn the user?
if (bWarnUser)
{
// Setup the Broadcast message indicating that there are no valid slaves running
string message = String.Concat("MOG Server is trying to process a command containing a 'ValidSlaves' property and has been unable to launch the needed Slave.\n",
"VALIDSLAVES=", pCommand.GetValidSlaves(), "\n\n",
"Please check this machine to ensure it is connected to the MOG Server.");
MOG_ControllerSystem.NetworkBroadcast(pCommand.GetUserName(), message);
// Record the time when this report was sent
mNextNoSlaveReportTime = DateTime.Now.AddMinutes(5);
}
}
}
// Indicate that we failed to find a qualified slave
return(false);
}
private void LaunchSlave(int id)
{
MOG_ControllerSystem.LaunchSlave(id);
}