AccessGrid.NetworkServicesManager.NetworkServicesManager

Package AccessGrid :: Module NetworkServicesManager :: Class NetworkServicesManager

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Class NetworkServicesManager

A manager class for available network services in a venue. This class also includes a network service matcher that can select a chain of services to use for streams that do not match capabilities of a node.

Method Summary
	`__init__(self)` Initiates the class.
[AccessGrid.Descriptions.AGNetworkServiceDescription]	`GetServices(self)` Returns descriptions of all available network services.
	`RegisterService(self, networkServiceDescription)` Registers a network service with the manager.
[(AccessGrid.Descriptions.StreamDescription, string)]	`ResolveMismatch(self, streamList, nodeCapabilities)` Matches streams to available network services.
	`UnRegisterService(self, networkServiceDescription)` Removes a network service from the manager.

Method Details

init(self)
(Constructor)

Initiates the class. Creates a network service matcher and a dictionary to keep track of available network services.

GetServices(self)

Returns descriptions of all available network services.

Returns:: a list of AGNetworkServiceDescriptions.
(type=[AccessGrid.Descriptions.AGNetworkServiceDescription])

RegisterService(self, networkServiceDescription)

Registers a network service with the manager.

Parameters:: networkServiceDescription - a description of the network service to add
(type=AccessGrid.AGNetworkServiceDescription)

ResolveMismatch(self, streamList, nodeCapabilities)

Matches streams to available network services. Uses network services to resolve mismatch between stream capabilities and capabilities of a node.

Parameters:: streamList - a list of mismatched streams.
(type=[AccessGrid.Descriptions.StreamDescription]); nodeCapabilities - capabilities of a node.
(type=[AccessGrid.Types.Capability])

Returns:: a list of new streams that matches given node capabilities.
(type=[(AccessGrid.Descriptions.StreamDescription, string)])

UnRegisterService(self, networkServiceDescription)

Removes a network service from the manager.

Parameters:: networkServiceDescription - a description of the network service to add
(type=AccessGrid.AGNetworkServiceDescription)

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