| 主权项 |
1. A gateway apparatus connected to an image processing apparatus in a communicable manner and connected to an external apparatus via a network, the gateway apparatus performing communication control between the image processing apparatus and the external apparatus,
the gateway apparatus comprising:
a main CPU configured to perform the communication control;a sub CPU configured to be capable of operating at a lower voltage than the main CPU;a first detecting unit configured to detect a state of a primary power supply;a second detecting unit configured to detect a state of a secondary power supply;a generating unit configured to, under the control of the main CPU, generate a transfer instruction message in accordance with a result of the detection performed by the first detecting unit;an acquiring unit configured to, under the control of the main CPU, acquire information about a change in a state of the gateway apparatus or an apparatus located in the vicinity of the gateway apparatus;an updating unit configured to, under the control of the main CPU, repeatedly perform updating of the transfer instruction message generated by the generating unit in accordance with the information acquired by the acquiring unit, after the generation of the transfer instruction message; anda transmitting unit configured to, under the control of the sub CPU, transmit the last-generated or last-updated transfer instruction message to an external alternate apparatus having a function to perform the communication control, in accordance with a result of the detection performed by the second detecting unit. |
