JP2014219919A - Information processing system, information processing device, and information terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information processing system, information processing device, and information terminal device which allow another device to continuously communicate with a file server even when the address of the file server is changed.SOLUTION: An information processing system of the present invention includes an information terminal device and a plurality of information processing devices. A first information processing device includes: holding means that holds a request to obtain the address of another information processing device, which is transmitted by the information terminal device; providing means that provides an acquisition request related to the other information processing device according to a request of the other information processing device; and providing means that provides a current address of the other information processing device.

Description

  The present invention relates to an information processing system, and more particularly to an information processing system, an information processing apparatus, and an information terminal apparatus that perform data communication between the information terminal apparatus and the information processing apparatus via a network.

  Currently, many companies share data files by installing a file server such as NAS (Network Attached Storage) in a local network. On the other hand, with the spread of smartphones in recent years, there is a desire to use data by directly accessing a file server using a mobile terminal such as a mobile phone.

  In view of such a situation, Patent Document 1 uses the address management server in which the MAC address and the IP address of each terminal are associated and stored in communication between terminals, so that the IP address of the counterpart terminal is not conscious. The network system which enables communication between terminals is disclosed.

  However, when the IP address assigned to the file server changes dynamically, in the network system disclosed in Patent Document 1, when the IP address of the file server is changed, the mobile terminal changes the IP address of the file server after the change. There was a problem that it was not possible to obtain the file, and it was not possible to continuously communicate with the file server.

  The present invention has been made in view of the above-described problems of the prior art, and even when the file server address is changed, an information processing system, information processing system, and the like that allow other devices to continue to communicate with the file server An object is to provide a device and an information terminal device.

  An information processing system of the present invention includes a holding unit that holds an acquisition request for an address of an information processing device, a providing unit that provides an acquisition request related to the information processing device in response to a request from the information processing device, and the information Providing means for providing a current address of the processing device.

  In the present invention, by adopting the above-described means, even when the address of the file server is changed, other devices can continue to communicate with the file server.

The figure which shows one Embodiment of the information processing system of this invention. The sequence diagram which shows one Embodiment of the process which the information processing system of this invention performs. The figure which shows another embodiment of the information processing system of this invention.

  Hereinafter, although embodiment of this invention is described, this invention is not limited to embodiment mentioned later. FIG. 1 is a diagram showing an embodiment of an information processing system of the present invention.

  The information processing system 100 includes a mobile terminal 120, a relay server 130, and a file server 140 connected via a network 110 that is a narrow area network such as a LAN. The portable terminal 120, the relay server 130, and the file server 140 communicate with each other via the network 110.

  The mobile terminal 120 is an information terminal device such as a smartphone, a tablet PC, or a notebook PC. The portable terminal 120 can access the network 110 via a wireless LAN such as WiFi. The mobile terminal 120 can also access the network 110 via a mobile phone base station by mobile wireless communication such as 3G or LTE.

  The portable terminal 120 holds server management information 122 for managing the file server 140 in a storage device. The server management information 122 is composed of identification information (hereinafter referred to as “unique ID”) of the file server 140 and an IP address assigned to the file server 140, and the mobile terminal 120 is unique to the file server 140. The ID and the IP address are stored in association with each other.

  The portable terminal 120 transmits a data file acquisition request message stored in the file server 140 to the file server 140 and receives the data file provided by the file server 140. The portable terminal 120 specifies the transmission destination of the acquisition request message using the IP address of the file server 140 that is the server management information 122.

  In addition, the mobile terminal 120 transmits an acquisition request message for the IP address of the file server 140 to the relay server 130 together with the unique ID of the file server 140. In the present embodiment, the mobile terminal 120 transmits an HTTP (Hypertext Transfer Protocol) request to the relay server 130 as an IP address acquisition request message of the file server 140.

  The relay server 130 is an information processing device that processes a request transmitted by the mobile terminal 120. The relay server 130 includes various CPUs, a RAM that provides a program execution space, and a hard disk device that continuously stores programs and data. The relay server 130 is a program of the present invention that can be described in various programming languages under the management of an OS such as a WINDOWS (registered trademark) OS, a MAC (registered trademark) OS, a UNIX (registered trademark), or a LINUX (registered trademark). Execute.

  The relay server 130 includes a request queue 132 that is a holding unit for requests transmitted by the mobile terminal 120. When the relay server 130 receives a request from the mobile terminal 120, the relay server 130 creates a session ID that is identification information of the request and stores it in the request queue 132 together with the request. The relay server 130 transmits the request stored in the request queue 132 to the file server 140 in response to a request from the file server 140.

  The file server 140 is an information processing apparatus that can store various data files. The file server 140 includes various CPUs, a RAM that provides a program execution space, and a hard disk device that continuously stores programs and data. The file server 140 is a program of the present invention that can be described in various programming languages under the management of an OS such as a WINDOWS (registered trademark) OS, a MAC (registered trademark) OS, a UNIX (registered trademark), or a LINUX (registered trademark). Execute.

  When the file server 140 receives the data file acquisition request message from the mobile terminal 120, the file server 140 transmits the data file specified by the acquisition request message to the mobile terminal 120.

  Further, the file server 140 requests the relay server 130 to periodically acquire an acquisition request message by polling. When the file server 140 receives the acquisition request message, the file server 140 executes processing requested by the acquisition request message.

  Specifically, when the IP address of the file server 140 is requested by the acquisition request message, the file server 140 provides the IP address assigned at that time to the relay server 130. The name of the file server 140 is not resolved, and an IP address is dynamically assigned. When the relay server 130 receives the IP address of the file server 140, it transmits it to the mobile terminal 120.

  In the embodiment shown in FIG. 1, the relay server 130 is connected to the network 110. However, in another embodiment, the relay server 130 is connected to the network 110 separated by a firewall via a wide area network such as the Internet. You may comprise so that it may access.

  FIG. 2 is a sequence diagram showing an embodiment of processing executed by the information processing system of the present invention. Hereinafter, a processing sequence in which the mobile terminal 120 acquires a data file from the file server 140 will be described with reference to FIG.

  The file server 140 transmits the unique ID of the file server 140 to the relay server 130 and polls a request related to the file server 140. Thereby, even when the file server 140 is connected to a network isolated by a firewall, the relay server 130 can relay the request transmitted by the mobile terminal 120 to the file server 140.

  The portable terminal 120 designates the transmission destination by the IP address (“xx.x.x”) of the file server 140 that is the server management information 122 and transmits a data file acquisition request message.

  Since the name of the file server 140 is not resolved, the mobile terminal 120 communicates with the file server 140 when the IP address of the file server 140 is different from the IP address held by the mobile terminal 120 due to the change of the IP address of the file server 140. I can't. When the portable terminal 120 does not receive a response from the file server 140 to the data file acquisition request, the portable terminal 120 transmits an IP address acquisition request message of the file server 140 to the relay server 130 together with the unique ID of the file server 140.

  When the relay server 130 receives the acquisition request message, the relay server 130 creates a session ID for the message. Then, the relay server 130 stores the acquisition request message and the session ID in a queue corresponding to the unique ID of the file server 140.

  When the relay server 130 receives a message requesting acquisition of the acquisition request message transmitted by polling the file server 140, the relay server 130 acquires the acquisition request message from the queue corresponding to the unique ID added to the message, that is, An acquisition request message related to the file server 140 is acquired and transmitted to the file server 140.

  When the file server 140 receives the acquisition request message from the relay server 130, the file server 140 acquires the IP address (“yyy”) assigned to the file server 140 at that time, and uses the IP address as the unique ID. At the same time, it is transmitted to the relay server 130.

  When the relay server 130 receives the IP address and the unique ID from the file server 140, the relay server 130 sends the current IP address of the file server 140 to the mobile terminal 120 that has transmitted the acquisition request message stored in the queue corresponding to the unique ID. Send the address (“y.y.y.y”).

  When the portable terminal 120 receives the IP address of the file server 140 from the relay server 130, the portable terminal 120 updates the server management information. Specifically, the portable terminal 120 stores the current IP address (“yyy”) of the file server 140 and the unique ID (“12345”) of the file server 140 in association with each other.

  Then, the mobile terminal 120 transmits a data file acquisition request message to the file server 140 again, and receives the data file provided by the file server 140. At this time, the portable terminal 120 designates the transmission destination of the acquisition request message using the current IP address (“yyy”) of the file server 140.

  FIG. 3 is a diagram showing another embodiment of the information processing system of the present invention. Hereinafter, with reference to FIG. 3, the information processing system 300 will be described focusing on differences from the information processing system 100 shown in FIG.

  The information processing system 300 includes a mobile terminal 120 connected via a network 110, a relay server 130, and two file servers, that is, a file server 140 and a file server 150.

  The mobile terminal 120 includes server management information 122 of the file server 140 and the file server 150, and can communicate with the file server 140 and the file server 150. The portable terminal 120 acquires a data file from the file server 140 and / or the file server 150 in response to a user request.

  The relay server 130 includes request queues 132 and 134 for the file server 140 and the file server 150. The request queues 132 and 134 store requests for the file server 140 and the file server 150 transmitted by the mobile terminal 120.

  Each of the file server 140 and the file server 150 acquires an acquisition request message from the relay server 130 by polling, and provides the current IP address to the relay server 130.

  In the embodiment shown in FIG. 3, two file servers are provided, but in other embodiments, three or more file servers can be provided.

  Although the present embodiment has been described so far, the present invention is not limited to the above-described embodiment, and the constituent elements of the present embodiment are changed or deleted, or other constituent elements are included in the constituent elements of the present embodiment. Changes can be made within the range that can be conceived by those skilled in the art, such as adding elements. Any embodiment is included in the scope of the present invention as long as the effects of the present invention are exhibited.

DESCRIPTION OF SYMBOLS 100 ... Information processing system, 110 ... Network, 120 ... Portable terminal, 122 ... Server management information, 130 ... Relay server, 132, 134 ... Request queue, 140, 150 ... File server

JP 2004-80567 A

Claims (7)

Holding means for holding an address acquisition request for the information processing apparatus;
Providing means for providing the acquisition request related to the information processing device in response to the request of the information processing device;
Providing means for providing a current address of the information processing apparatus received from the information processing apparatus. The acquisition request is a request transmitted by the information terminal device,
The information processing system according to claim 1, wherein the information terminal device transmits the acquisition request when communication with the information processing device is not possible. An information processing system comprising an information terminal device and a plurality of information processing devices,
The first information processing apparatus
Holding means for holding an acquisition request for an address of another information processing device transmitted by the information terminal device;
Providing means for providing the acquisition request related to the other information processing apparatus in response to a request of the other information processing apparatus;
Providing means for providing a current address of the other information processing apparatus received from the other information processing apparatus.   The information processing system according to claim 3, wherein the information terminal device transmits the acquisition request when communication with the other information processing device is not possible. Holding means for holding an address acquisition request for the information processing apparatus;
Providing means for providing the acquisition request related to the information processing device in response to the request of the information processing device;
Providing means for providing a current address of the information processing apparatus received from the information processing apparatus. The acquisition request is a request transmitted by the information terminal device,
The information processing apparatus according to claim 5, wherein the information terminal apparatus transmits the acquisition request when communication with the information processing apparatus is not possible. An information terminal device capable of communicating with a plurality of information processing devices,
Transmission means for transmitting an address acquisition request of the first information processing apparatus to the second information processing apparatus;
Receiving means for receiving a current address of the first information processing apparatus from the second information processing apparatus;
Transmitting means for designating a transmission destination using a current address of the first information processing apparatus and transmitting a data acquisition request to the first information processing apparatus;
An information terminal device.