Control requests and messages
To control a running component, system level requests can be sent. These requests will not be passed on to the message handlers (on_request and on_message). These requests should inherit from SICControlRequest.
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SICPingRequest - A ping message to check if a component is active. Should be answered with a reply by sending back a SICPongMessage.
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ConnectRequest - A request for a component to start listening to some some channel. The messages on this channel will be passed onto the on_message callback.
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SICSuccessMessage - A message indicating succes, for example responding to a ConnectRequest.
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SICStopRequest - A request for the component to shut down.
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A ComponentManager is responsible for running specific components. For example, on your computer, you might have a ComponentManager responsible for running device components such as microphone, camera, and speaker. You might also have a ComponentManager responsible for the FaceDetection service.