class twisted.application.service.Service: (source)
Known subclasses: twisted.application.internet._VolatileDataService, twisted.application.internet.ClientService, twisted.application.internet.CooperatorService, twisted.application.internet.StreamServerEndpointService, twisted.application.service.MultiService, twisted.names.secondary.SecondaryAuthorityService, twisted.runner.procmon.ProcessMonitor, twisted.words.protocols.jabber.component.Service
Implements interfaces: twisted.application.service.IService
Base class for services.
Most services should inherit from this class. It handles the book-keeping responsibilities of starting and stopping, as well as not serializing this book-keeping information.
Instance Variable | running | A boolean which indicates whether the service is running. |
Instance Variable | name | A str which is the name of the service or None . |
Instance Variable | parent | An IServiceCollection which is the parent or None . |
Method | __getstate__ | Undocumented |
Method | setName | Set the name of the service. |
Method | setServiceParent | Set the parent of the service. This method is responsible for setting the parent attribute on this service (the child service). |
Method | disownServiceParent | Use this API to remove an IService from an IServiceCollection . |
Method | privilegedStartService | Do preparation work for starting the service. |
Method | startService | Start the service. |
Method | stopService | Stop the service. |
An IServiceCollection
which is the parent or None
.
Undocumented
Set the name of the service.
Parameters | name | Undocumented (type: str ) |
Raises | RuntimeError | Raised if the service already has a parent. |
Set the parent of the service. This method is responsible for setting the parent
attribute on this service (the child service).
Parameters | parent | Undocumented (type: IServiceCollection ) |
Raises | RuntimeError | Raised if the service already has a parent or if the service has a name and the parent already has a child by that name. |
Use this API to remove an IService
from an IServiceCollection
.
This method is used symmetrically with setServiceParent
in that it sets the parent
attribute on the child.
Returns | a Deferred which is triggered when the service has finished shutting down. If shutting down is immediate, a value can be returned (usually, None ). (type: Deferred ) |
Do preparation work for starting the service.
Here things which should be done before changing directory, root or shedding privileges are done.
Start the service.