// GetNextPort
// per node, a hash of used port numbers with a next port number
// record starting port number
// while the port number is used
// get next port number from the configured range for the instance, with rollover
// if the port number is equal to the starting port number
// raise all ports used
// else
// return the port number
// Request an instance url
public string RequestInstance(string instanceName)
{
lock (_syncHandle)
{
var entry = _instances[instanceName];
if (entry != null)
{
// TODO: More sophisticated handling of server state?
// The assumption here is that if it is in the list of instances, it's a valid instance
entry.LastRequested = DateTime.Now;
return(entry.InstanceUri);
}
var hostName = GetNextHost();
var portNumber = GetNextPort(hostName);
entry = new InstanceEntry {
InstanceName = instanceName, HostName = hostName, PortNumber = portNumber
};
entry.InstanceUri = DataphorServiceUtility.BuildInstanceURI(hostName, portNumber, instanceName);
entry.ProcessId = DeployInstance(entry);
_instances.Add(instanceName, entry);
return(entry.InstanceUri);
}
}
private int DeployInstance(InstanceEntry entry)
{
throw new NotImplementedException();
}
private void DestroyInstance(InstanceEntry entry)
{
throw new NotImplementedException();
}