Part of twisted.application.internet View Source View In Hierarchy
Known subclasses: twisted.mail.mail.FileMonitoringService
Every step seconds call the given function with the given 
arguments. The service starts the calls when it starts, and cancels them 
when it stops.
| Instance Variable | clock | Source of time. This defaults to None
which is causes twisted.internet.reactor
to be used. Feel free to set this to something else, but it probably ought 
to be set *before* calling startService. (type: IReactorTime) | 
  
| Instance Variable | call | Function and arguments to call periodically. (type: tuple
of (callable, args, kwargs)) | 
  
| Method | __init__ | |
| Method | startService | Undocumented | 
| Method | stopService | Stop the service. | 
| Method | _failed | Undocumented | 
Inherited from _VolatileDataService:
| Method | __getstate__ | Undocumented | 
Inherited from Service (via _VolatileDataService):
| Method | setName | Undocumented | 
| Method | setServiceParent | Undocumented | 
| Method | disownServiceParent | Undocumented | 
| Method | privilegedStartService | Undocumented | 
None
which is causes twisted.internet.reactor
to be used. Feel free to set this to something else, but it probably ought 
to be set *before* calling startService. (type: IReactorTime)