| 摘要 |
PROBLEM TO BE SOLVED: To provide a client device which does not make a request for acquisition of data to a server when there is high possibility that a service in the server has ended.SOLUTION: A client device includes: a transmission part for periodically transmitting a command to request transmission of data to a server; and a reception part for receiving data showing service content or error data as a response to the command transmitted by the transmission part. When the reception part receives the error data as the response to the command transmitted by the transmission part continuously for the predetermined number of times, the transmission part stops the periodic transmission of the command. |
