KR101094218B1 - Home Network include Message Hooking Handler and the Method discrimination between Master Packet and Slave Packet in the Above Message Hooking Handler - Google Patents

Abstract

  The present invention provides a home network system including a master and slave handler and a message hooking handler positioned between a transmission handler and transferring a packet between the two handlers, wherein the message hooking handler is configured to transmit a packet coming from the transmission handler to a master handler or a slave handler. Detecting unit to check whether to send to; And a controller for transmitting the packet checked by the detector to a corresponding handler.

In addition, in the message hooking handler according to the present invention, a packet for master / slave packet discrimination method checks whether an address of a packet falls within a master address range, and if a packet address falls within a master address range, a master handler packet. Classifying a packet, and if a packet address does not fall within a master address range, retrieving a unique address value of the slave handler; And checking whether the address of the packet matches the address value of the slave handler, and dividing the packet into a packet for the slave handler if the address of the packet matches the address value of the slave handler.

As described above, the present invention provides a home network system including a message hooking handler for integrating the redundant functions of a home network product which is both a master and a slave, and a message packet for the master or slave. By providing a method of dividing, it is possible to build a home network system more efficiently.

 Home network, master, slave, message hooking handler

Description

 Home Network include Message Hooking Handler and the Method discrimination between Master Packet and Slave Packet in the Above Message Hooking Handler}

 1 is a program structure of a home network system according to the related art.

2 is a block diagram of a home network system according to the present invention.

3 is a block diagram of the LnCP library module shown in FIG.

4 is a detailed block diagram of the message hooking handler of FIG. 3.

5 is a flowchart illustrating a method for classifying a packet for a master / a packet for a slave in a message hooking handler according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: Internet 20: LnCP Server

30: LnCP Library Module 31a: Master Handler

31b: Slave handler 32: Message hooking handler

32a: control unit 32b: detection unit

32c: buffer section 33: transmission handler

34: channel handler 35: interface

 The present invention relates to a home network system including a message hooking handler and a packet discrimination method for a master / slave packet in the message hooking handler, and in particular, integrates the redundant functions of a home network product that operates as a master and a slave. The present invention relates to a home network system including a message hooking handler and a method for distinguishing packets for master / slave in the message hooking handler.

Here, the function as a master refers to a task of controlling a device operation or monitoring such a state by giving a command to a slave device, and the function as a slave responds to a request of the master device and information about a change in its state. Speaks function to inform.

For example, a home server may command a TV to perform various functions such as TV ON / OFF, and the TV may also be used for other home network products such as air conditioners. Command) to perform various functions such as air conditioning on / off.

In this case, the TV is referred to as a home network product (device; device) that simultaneously performs functions as a master and a slave.

This will be described in more detail with reference to FIG. 1.

As shown in FIG. 1, in the related art, in the case of a home network product which simultaneously performs a function of a master and a slave, a master program and a slave program are separately present in the program to perform a corresponding task. It was performed separately.

In other words, when performing a function as a master, a command (message packet) generated from the master module controls the home network product through an interface unit (PLC interface, etc.) through the transmission layer, and performs a function as a slave. In this case, the message packet generated by the home network product is delivered to the slave module through the transmission layer and processed.

As described above, in the case of the home network product which performs the functions of the master and the slave at the same time, the master module and the slave module are respectively provided, and thus are inefficient.

 The present invention has been made to solve the above problems, the object of which is a home net including a message hooking handler that can improve the efficiency of work by integrating the redundant functions of a home network product that operates as a master and a slave To provide a work system.

In addition, the present invention provides a method for classifying a message packet delivered to the message hooking handler in a lower layer (transmission handler) for a master or a slave.

 In order to achieve the above object, the present invention provides a home network system including a master and slave handler and a message hooking handler positioned between a transmission handler and transferring a packet between the two handlers, wherein the message hooking handler comes from the transmission handler. A detector for checking whether to send a packet to a master handler or a slave handler; And a controller for transmitting the packet checked by the detector to a corresponding handler.

The message hooking handler may further include a buffer unit for temporarily storing a packet coming from the transmission handler.

In the message hooking handler according to the present invention, a method for distinguishing a packet for a master / a packet for a slave checks whether an address of a packet falls within a master address range, and classifies a packet for a master handler if an address of a packet falls within an address range of a master. If the address of the packet does not fall within the address range of the master, retrieving a unique address value held by the slave handler; And checking whether the address of the packet matches the address value of the slave handler, and classifying the packet into a packet for the slave handler if the address of the packet matches the address value of the slave handler.

In addition, the present invention is characterized in that it further comprises the step of the packet is ignored if the address of the packet does not match the address value of the slave handler.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

An embodiment of the present invention will be described using a living network control protocol (LnCP), which is an LG HomeNet protocol.

First, in the present specification, the LnCP will be described in more detail with reference to FIGS. 2 and 3.

2 is a configuration diagram of a general home network system, and FIG. 3 is a configuration diagram of the LnCP library module of FIG. 2.

Referring to FIG. 2, the home network system includes an LnCP server 20 performing TCP / IP-based message transmission and reception through the Internet 10; And a control command received by the LnCP server 20 to a corresponding device among home network products (devices) 41 to 43 existing in a home network, and sends a response according to the control of the device to the LnCP server 20. Including the LnCP library module 30 to deliver.

An LnGate API 36 for interfacing support is provided between the LnCP server 20 and the LnCP library module 30.

The LnCP server 20 has a gateway function for connection between the Internet 10 and a home network or a separate gateway is connected.

As shown in FIG. 3, the LnCP library module 30 includes a master handler 31a and a slave handler 31b, a message hooking handler 32, A transmission (transmission) handler 33, a channel handler 34, and a device (physical) interface 35 for supporting communication with LnCP-based devices residing in the home network. To configure.

The LnCP library module 30 further includes a log handler and a database handler.

The master handler 31a issues a command to the slave device to perform a predetermined task, and the slave handler 31b performs the corresponding function (task) under the control of the master.

That is, the master handler 31a manages a home code, assigns an address, manages multiple NMs for processing a database of a plurality of network managers (NMs), and manages a desired control at a desired time. Schedule management, device registration management, device type / model control, event action management, and device event processing to support.

The hooking handler 32 is responsible for transmitting a packet between the upper layer 31 and the lower layer 33. Since a detailed description thereof is made in FIG. 4, it will be omitted here.

The transmission handler 33 processes the packet transmitted from the upper layer 32 to be delivered to the interface 35 through the channel handler 34 and processes the LnCP packet received from the channel handler 34 into the upper layer ( Message hooking handler). If a transmission error occurs, the retransmission process is performed.

The channel handler 34 manages the LnCP interface 35. That is, the channel handler 34 transmits the packet received from the transmission handler 33 to the LnCP interface 35 and the packet received from the LnCP interface 35 to the transmission handler 33.

The LnCP device interface 35 is a final physical interface, and directly transmits a packet to a power line communication (PLC), serial communication (RS-232C, RS-485), wireless communication (RF communication), and a USB interface. The response is received and delivered to the channel handler 34.

4 is a detailed block diagram of the message hooking handler of FIG. 3.

Referring to FIG. 4, the message hooking handler 32 according to the present invention includes a buffer unit 32c, a detector unit 32b, and a controller unit 32a.

The buffer unit 32c is a packet store for temporarily storing a message packet transmitted from the transmission handler.

The detection unit 32b checks whether the message packet stored in the buffer unit is to be sent to the master handler or the slave handler.

Detailed description of the check method is made in the description of FIG.

The control unit 32a sends the packet checked by the detection unit 32b to the handler. That is, when the packet is divided into a master handler packet by the detector 32b, the controller 32a sends the packet to the master handler 31a, and the packet is transmitted to the slave handler by the detector 32b. When divided into packets, the controller 32a sends the packets to the slave handler 31b.

5 is a flowchart illustrating a method for classifying a packet for a master / a packet for a slave in a message hooking handler according to the present invention.

Referring to FIG. 5, first, in the present invention, a message packet is read from the buffer unit 32c of the message hooking handler 32 (S101).

The message packet is generated in the home network products 41 to 43 to perform a predetermined process via the interface unit 35, the channel handler 34, and the transmission handler 33, and the message hooking handler 32 Packet stored in the buffer section of the

In the present invention, after reading the message packet from the buffer unit 32c as in step 101, it is checked whether the address of the packet corresponds to a master address preset by the user (S102).

If the address of the message packet corresponds to the master address preset by the user, the packet is divided into a master handler packet (S103).

In addition, in the present invention, if the address of the message packet does not correspond to the master address set by the user in step 102, the unique address value of the slave handler 31b is retrieved.

Then, in the present invention, it is checked whether the address of the packet is equal to the address value of the slave handler called up in step 104 (S105).

If, at step 105, the two address values, that is, the address of the message packet and the address of the slave handler coincide with each other (the same), the packet is classified into a slave handler packet (S106).

In addition, if the two address values (the address of the message packet and the address of the slave handler) do not match in step 105, the packet is neither a master packet nor a slave packet. In the present invention, the packet is ignored. )

Referring to the method for distinguishing the master packet and the slave packet in the message hooking handler as an example, the range of the master address preset by the user in step 103 is 0x0000 to 0x00FE, and the transmission handler 33 transmits the message. If the address of the received message packet is '0x000E', the packet is delivered to the master handler 31a.

If the packet is out of the range of the master address, the unique address value of the slave handler 31b is retrieved and compared with the packet. If the two values match, the packet is delivered to the slave handler. Is ignored.

In the present invention, when the packet is sent from the upper layer 31 to the lower layer 33, both the master and the slave send the message hooking handler to the same message. Packets are sent through.

Conventionally, when there is no message hooking handler and a device operating as a LnGate master and a slave at the same time, a master module and a slave module are provided to perform similar tasks in duplicate. In the present invention, by using the message hooking (Message Hooking) technique, it is possible to improve the efficiency of the work by combining two parts into one and integrating a module having a similar function to reduce repetitive work.

As described above, with reference to the preferred embodiment of the present invention, those skilled in the art will be variously modified and modified within the scope of the present invention without departing from the spirit and scope of the present invention described in the claims below. It will be appreciated that it can be changed.

 As described above, the present invention provides a home network system including a message hooking handler for integrating the redundant functions of a home network product which is both a master and a slave, and a message packet for the master or slave. By providing a method of dividing, it is possible to build a home network system more efficiently.

Claims (5)

 A home network system comprising a message hooking handler which is located between a master and a slave handler and a transmission handler to transfer a packet between the two handlers. The message hooking handler may include: a detector for checking whether to send a packet from a transmission handler to a master handler or a slave handler; And a control unit which sends a packet checked by the detection unit to a corresponding handler.  The home network system according to claim 1, wherein the message hooking handler further comprises a buffer unit for temporarily storing a packet coming from the transmission handler.  Check if the address of the packet is within the address range of the master. If the address of the packet is within the address range of the master, classify it as a packet for the master handler. If the address of the packet is not within the address range of the master, the slave handler has Retrieving a unique address value; And checking whether the address of the packet matches the address value of the slave handler and, if the address of the packet matches the address value of the slave handler, dividing the packet into a packet for the slave handler. How to distinguish packets.  4. The method according to claim 3, wherein the packet is a packet temporarily stored in a buffer part of the message hooking handler.  4. The method according to claim 3, further comprising the step of ignoring the packet if the address of the packet does not match the address value of the slave handler.

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