KR101082669B1 - WEB SERVER AND COMMUNICATION SERVER FOR ActiveX SOCKET COMPONENT REPLACEMENT - Google Patents

Abstract

Disclosed are a web server and a communication server for replacing an ActiveX socket component, and a service providing method in the web server. The web server authenticates a web client requesting a connection and creates a session with the web client, a communication unit for transmitting and receiving data with a communication server providing a service requested by the web client, and data received from the communication server. And a data change processor for generating update data. Here, the update data is transmitted to the web client through the interface unit to update the monitor screen of the web client.

Ajax (Asynchronous Javascript and XML), ActiveX, Proxy Server, Web Server

Description

Web server and communication server for ActiveX socket component replacement and service providing method in the web server {WEB SERVER AND COMMUNICATION SERVER FOR ActiveX SOCKET COMPONENT REPLACEMENT}

Embodiments according to the present invention relate to a web server and communication server for replacing an ActiveX socket component and a service providing method in the web server.

Companies that provide IT services, such as network, finance, web agency, and system integration solution companies, have generally developed and utilized a client-server structure as a network structure for providing services. In addition, these companies are currently working on multiple systems, and are working on new software version upgrades and performance improvements, such as the development of Web 2.0 and Silverlight from Microsoft.

ActiveX is a technology provided to connect general applications with the web. In the existing client-server structure, ActiveX is distributed to a website to induce upgrades according to version management when upgrading clients. That is, when ActiveX is installed in the web client, data is transmitted, received, and the screen is updated by communicating with the server through the installed ActiveX.

Currently, there are security problems caused by the distribution of numerous ActiveX in Korea. For example, by inducing the installation of ActiveX and distributing spyware and viruses, it not only adversely affects the personal computer (client) but also requires the user to determine whether to install due to distribution problems such as ActiveX blocking. There is discomfort.

In this specification, a web server, a communication server, and a service providing method for more efficiently providing a service are proposed.

Receives data through communication with the communication server according to the request of the web client, and generates update data for screen update based on the received data and transmits the updated data to the web client, whereby the web client uses a separate application program through ActiveX. There is provided a web server and a service providing method capable of receiving a service even without installing the service.

By communicating with a web server that transmits update data for screen update to a web client without directly communicating with the web client, a communication server is provided in which the web client can be provided without installing a separate application.

According to an embodiment of the present invention, a web server may include an interface unit for authenticating a web client requesting a connection and creating a session with the web client, a communication unit for transmitting and receiving data with a communication server providing a service requested by the web client; And a data change processor for generating update data based on the data received from the communication server. Here, the update data is transmitted to the web client through the interface unit to update the monitor screen of the web client.

According to an aspect of the present invention, the data change processor may generate update data for updating a monitor screen of the web client through a control value parsed and outputted from the received data. Here, the update data may be added to an update panel tag of a web page file generated through an Ajax (Asynchronous JavaScript and XML) application and to be serviced by a web client.

According to an aspect of the present invention, the communication unit may transmit and receive data by forming a channel with the communication server through a proxy server that performs socket communication with the communication server.

According to an aspect of the present invention, the communication unit may transmit and receive data by forming a channel with the communication server through communication with a proxy module included in the communication server.

According to an aspect of the present invention, when providing a service for each of a plurality of web clients, the communication unit may divide the data received from the communication server by the session for the plurality of web clients, the data change processor is divided by session Based on the data, update data provided for the plurality of web clients can be generated respectively.

According to one aspect of the invention, the web server may further include a database for storing data about the basic service to be provided to the web client. In this case, the data change processor may further generate update data based on the data stored in the database.

According to one aspect of the present invention, data received from a communication server may be generated based on data received from a remote device terminal at a communication server, and data received from the remote device terminal is generated as an information processing result at the remote device terminal. It may include at least one of one data and data collected through the sensor in the remote device terminal.

The communication server according to an embodiment of the present invention includes a data transmission unit for transmitting data to the web server in response to a request from the web server. Here, the transmitted data is used by the web server to update the monitor screen of the web client communicating with the web server.

A service providing method according to an embodiment of the present invention comprises the steps of authenticating a web client requesting a connection from a web server, creating a session with the web client, and a communication server providing a service requested by the web client from the web server. Transmitting and receiving data, generating update data based on the data received from the communication server in the web server, and transmitting the generated update data to the web client. Here, the update data is used to update the monitor screen of the web client.

Receives data through communication with the communication server according to the request of the web client, and generates update data for screen update based on the received data and transmits the updated data to the web client, whereby the web client uses a separate application program through ActiveX. You can get the service even if you do not install it.

By communicating with a web server that transmits update data for screen update to the web client without directly communicating with the web client, the web client can be provided with a service without installing a separate application.

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

1 is a view for explaining the overall process of the service providing method according to an embodiment of the present invention. When one of the web clients 110 requests a session to the web server 120 in a web browser environment, the web server 120 does not provide an application for a service by using ActiveX. The service can be provided by updating the screen of the web client through the communication module and the update module.

The communication module may transmit / receive data with the communication server 130 providing a service requested by the web client, such as a system having a specific IP address. The communication server 130 transmits data stored in the communication server 130 to the web server 120 or receives data from at least one of the plurality of remote device terminals 140 to provide a service. 120). In this case, data transmission and reception from the communication server 130 to the web server 120 may be performed through a separate proxy server or a proxy module included in the communication server 130.

The update module may update the screen of the web client based on data received through the communication module from the communication server 130. For example, when an event occurs at any remote device terminal to generate data to be updated in the web client, the data is transmitted to the communication server 130, and the communication server 130 is connected to a proxy server or a proxy module. The data may be transmitted to the web server 120 through the web server 120. The web server 120 generates update data for updating the screen of the web client through the received data and transmits the updated data to the web client, whereby the web client can be provided with a service without installing an application. In this case, the update module may improve performance by allowing only an area corresponding to the changed data to be updated on the screen using an Ajax (Asynchronous Javascript and XML) application.

2 is a block diagram illustrating an internal configuration of a web server according to an embodiment of the present invention. The web server 200 according to the present embodiment may correspond to the web server 120 described with reference to FIG. 1. As illustrated in FIG. 2, the web server 200 may include an interface unit 210, a communication unit 220, a data change processor 230, and a database 240.

The interface unit 210 authenticates a web client requesting a connection and creates a session with the web client. For example, when a user accesses the web server 200 through a web browser of a web client and inputs a user identifier and password, the interface unit 210 authenticates the user through the input user identifier and password to authenticate the web client. You can authenticate and establish a session with the web client.

The communication unit 220 transmits and receives data with a communication server providing a service requested by a web client. In this case, the communication unit 220 forms a channel with the communication server through a proxy server performing socket communication with the communication server to transmit and receive data, or the communication through a communication with a proxy module included in the communication server. Data can be transmitted and received by establishing a channel with the server. At this time, the data received from the communication server may be generated based on the data received from the remote device terminal in the communication server, the data received from the remote device terminal data generated as a result of the information processing in the remote device terminal and the remote device terminal May include at least one of data collected through a sensor. The communication server, the proxy server or the proxy module, and the remote device terminal will be described in more detail later with reference to FIG. 4.

The data change processor 230 generates update data based on the data received from the communication server. The data change processor 230 may generate the update data for updating the monitor screen of the web client through a control value parsed by the received data and output. In this case, the update data may be added to an update panel tag of a web page file generated through an Ajax application and to be serviced by the web client. That is, the update data may be transmitted to the web client through the interface unit to update the monitor screen of the web client. For example, in order to display data generated through flash on the screen, an application for reproducing such data is required, but the web server 200 generates and transmits update data for updating the screen of the web client. This allows the web client to display data generated by Flash on the screen without installing a separate application.

When providing services to a plurality of web clients, respectively, the communication unit 220 may classify the data received from the communication server for each session for the plurality of web clients, and the data change processing unit 230 may assign the data divided for each session. Based on this, update data provided for the plurality of web clients may be generated, respectively.

The database 240 stores data about basic services to be provided to the web client. In this case, the data change processor 230 may further generate update data based on the data stored in the database. That is, the web server 200 stores the data for the basic service in a database and when the screen update for the basic service is required in addition to the data received through the communication server from the web client, the web server 200 accesses the basic service through the data change processor 230. Update data for screen update can be generated and sent to the web client.

As described above, when the web server or the service providing method according to the present embodiments is used, data is received through communication with a communication server according to a request of a web client, and update data for screen update is based on the received data. By creating and sending to a web client, a web client can be provided with a service without installing a separate application program through ActiveX.

3 is a flowchart illustrating a service providing method according to an embodiment of the present invention. The service providing method according to the present embodiment may be performed through the web server 200 described with reference to FIG. 2. In FIG. 3, a service providing method will be described by describing a process of performing each step through the web server 200.

In step 310, the web server 200 authenticates the web client requesting a connection, and creates a session with the web client. For example, when a user accesses the web server 200 through a web browser of the web client and inputs a user identifier and password, the web server 200 authenticates the user with the input user identifier and password to authenticate the web client. You can authenticate and establish a session with the web client.

In operation 320, the web server 200 transmits and receives data with a communication server providing a service requested by the web client. In this case, the web server 200 forms a channel with the communication server through a proxy server that performs socket communication with the communication server, and transmits and receives data or communicates with the communication server through communication with a proxy module included in the communication server. Form a channel to transmit and receive data. At this time, the data received from the communication server may be generated based on the data received from the remote device terminal in the communication server, the data received from the remote device terminal data generated as a result of the information processing in the remote device terminal and the remote device terminal May include at least one of data collected through a sensor. The communication server, the proxy server or the proxy module, and the remote device terminal will be described in more detail later with reference to FIG. 4.

In operation 330, the web server 200 generates update data based on the data received from the communication server. The web server 200 may generate the update data for updating the monitor screen of the web client through a control value parsed and outputted from the received data. When providing services to a plurality of web clients, respectively, the web server 200 may classify the data received from the communication server into sessions for the plurality of web clients, and the plurality of web clients based on the data divided by the sessions. Each update data provided for may be generated.

In operation 340, the web server 200 may transmit the generated update data to the web client. In this case, the update data may be transmitted to the web client by being added to the update panel tag of the web page file to be generated through the Ajax application and serviced by the web client.

In addition, the web server 200 may store data on a basic service to be provided to the web client in advance. In this case, the web server 200 may further generate update data based on the data stored in the database. That is, the web server 200 stores the data for the basic service in a database, and in addition to the data received through the communication server from the web client, when the screen update for the basic service is required, the web server 200 updates data for the screen update for the basic service. You can create it and send it to a web client.

4 is a block diagram illustrating an internal configuration of a communication server according to an embodiment of the present invention. The communication server 410 according to the present exemplary embodiment may include a data transmitter 411 and a data receiver 412 as shown in FIG. 4. The proxy server 420 shown in FIG. 4 may exist on the network as a separate server, but may also be included in the communication server 410 in the form of a proxy module.

The data transmitter 411 transmits data to the web server 430 according to a request from the web server 430. In this case, the data transmitter 411 may transmit data to the web server 430 through the proxy server 420 illustrated in FIG. 4. First, when the data transmission unit 411 transmits data through the socket communication unit 421 of the proxy server 420 through socket communication, the data transmission unit 411 is loaded into the memory 423 through the reception queue 422, and the message transmission unit 424. It may be transmitted to the web server 430 through. In this case, when data such as a message for requesting data is transmitted from the web server 430, the data is received through the message receiver 425 of the proxy server 420, and the communication server 410 is received through the socket communication unit 421. You can also pass it.

Here, the data transmitted to the web server 430 includes at least one of data stored in the communication server 410 or data generated as a result of the information processing in the communication server 410 or received from the remote device terminal 440. Data or data generated at the communication server 410 based on such data. That is, the data receiver 412 receives data from the remote device terminal. For example, the remote device terminal can be a sensor terminal. That is, when an event occurs through a physical quantity higher than or equal to a preset reference value at the sensor terminal, related data may be transmitted to the communication server 410, and the communication server 410 may transmit the related data to the web server through the proxy server 420. And transmit to 430. The web server 440 transmits update data for screen update to the web client under monitoring so that the screen of the web client is updated, so that the service can be provided even if a separate application program is not installed in the web client.

As described above, when the communication server according to the present embodiment is used, the web client communicates with the web server that transmits the update data for screen update to the web client without directly communicating with the web client, without the web client installing a separate application program. You can get services.

5 is an example showing the general configuration of a monitoring system for providing a solar remote monitoring method according to a service providing method according to an embodiment of the present invention. 5 is a view showing an overview of a solar remote monitoring system of the NMS (Network Management System) using the service providing method according to the present embodiment.

The photovoltaic system generates voltage and current energy through photovoltaic energy generated from a photovoltaic module, converts the generated voltage and current energy in an inverter, and then boosts it through a transformer to supply power lines. Such a system is basically designed for fully automatic unmanned operation, so a monitoring system is required. Therefore, it is possible to efficiently operate the solar energy system using the monitoring system. In the present embodiment, the photovoltaic power generation system is replaced with an emulator 510 including a protocol that can be used for the actual photovoltaic module to implement a monitoring system. That is, it may be assumed that the system for operating the emulator 510, more specifically the emulator 510, may replace the communication server 410 described with reference to FIG. 4 and receive data from a remote device terminal.

Such a monitoring system includes an emulator 510 of an inverter stage implemented according to a protocol, a web server (gateway) 520 to be driven in a central control room or an on-site control room, and a database 530 for storing data statistics such as alarms and analog data. It can include a remote monitoring client, which is a web client. 5 shows a monitor 540 of a remote monitoring client. In this case, the web server (gateway) 520 may include an application for controlling a database. In addition, the communication between the web server (gateway) 520, the remote monitoring client and the database from the inverter is implemented by TCP socket communication.

At this time, the emulator 510 transmits the status and alarm occurrence in the protocol format, and then receives the packet from the web server (gateway) and stores the packet in the database 530 or monitors the remote monitoring client 540 through the data included in the received packet. ) By generating update data to update the screen and sending it to the remote monitoring client, monitoring is possible even if a separate application program for monitoring is not installed in the remote monitoring client. For example, a service can be provided through a web browser without installing Flex, Flash, or ActiveX to indicate the size of power.

6 shows an example of an emulator screen. After entering the IP address of the web server (gateway) (127.0.0.1 in the example of FIG. 6) and clicking Connect, a message such as an emulator communication connection is displayed in the message window, and the connection button is changed to a cancel button. At this time, if the status report mode check box is selected, the status information is transmitted to the web server. Here, the status data may send data determined as a standard. In the area for image information, information such as the status information of the junction box and the alarm status can be provided, and if the alarm report mode check box is checked, the lower device alarm generation and upper device alarm generation buttons can be activated. The lower alarm (door open alarm, upper temperature limit, undercurrent condition) of each junction box can be transmitted to the web server (gateway) through the event of lower device alarm occurrence.

7 illustrates an example of screen information displayed on a web server according to an exemplary embodiment of the present invention. The web server may transmit the packet received from the emulator to the database, and generate update data for updating the screen of the web client based on the data included in the packet and transmit the updated data to the web client. The screen information of FIG. 7 shows a connection state of a terminal, information on an event occurring in a web server, an emulator, or a web client.

8 shows an example of a web client screen. The web server transmits update data for screen update to the web client, and the web client can be provided with a monitoring service by simply updating the screen through the update data in the web browser without installing a separate application program. That is, in real time, information such as management control target item is updated on the screen. In the example of FIG. 8, the DC voltage and the current state are displayed from the inverters A, B, C, and D types, indicating that the current, voltage, temperature, etc. for each solar cell can be monitored. In addition, when an alarm fault occurs in the inverter, information on the occurrence time and alarm items may be updated on the screen, and environmental information such as surface temperature, ambient temperature, solar radiation, and output accumulated in environmental information required by the solar system Etc. may be displayed.

As such, since the web server generates and transmits the update data for display on the screen, various services can be provided without installing a separate application program on the web client side.

Embodiments according to the present invention can be implemented in the form of program instructions that can be executed by various computer means can be recorded on a computer readable medium. Computer-readable media may include, alone or in combination with the program instructions, file data, data structures, and the like. Program instructions recorded on the media may be those specially designed and constructed for the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. Hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the, Various modifications and variations can be made by those skilled in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all of the equivalents or equivalents of the claims as well as the claims to be described later will belong to the scope of the present invention. .

1 is a view for explaining the overall process of the service providing method according to an embodiment of the present invention.

2 is a block diagram illustrating an internal configuration of a web server according to an embodiment of the present invention.

3 is a flowchart illustrating a service providing method according to an embodiment of the present invention.

4 is a block diagram illustrating an internal configuration of a communication server according to an embodiment of the present invention.

5 is an example showing the general configuration of a monitoring system for providing a solar remote monitoring method according to a service providing method according to an embodiment of the present invention.

6 shows an example of an emulator screen.

7 illustrates an example of screen information displayed on a web server according to an exemplary embodiment of the present invention.

8 shows an example of a web client screen.

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

200: web server

210: interface unit

220: communication unit

230: data change processing unit

410: communication server

Claims (13)

An interface unit for authenticating a web client requesting a connection and creating a session with the web client; A communication unit for transmitting and receiving data with a communication server providing a service requested by the web client; And A data change processor configured to generate update data for updating the monitor screen of the web client through a control value parsed and output from the data received from the communication server Including, And the update data is added to a web page file to be serviced by the web client and delivered to the web client through the interface unit. delete The method of claim 1, The update data is generated through an Asynchronous JavaScript and XML (Ajax) application and added to the update panel tag of the web page file. The method of claim 1, The communication unit, And transmitting and receiving data by forming a channel with the communication server through a proxy server which performs socket communication with the communication server. The method of claim 1, The communication unit, A web server for transmitting and receiving data by forming a channel with the communication server through communication with a proxy module included in the communication server. The method of claim 1, If you provide services for multiple web clients individually, The communication unit divides the data received from the communication server for each session for a plurality of web clients, And the data change processing unit generates update data provided to the plurality of web clients based on the data classified for each session. The method of claim 1, Database that stores data about basic services to be provided to the web client More, The data change processing unit Further generating update data based on data stored in the database. The method of claim 1, Data received from the communication server is generated based on data received from a remote device terminal at the communication server, And the data received from the remote device terminal includes at least one of data generated as a result of information processing at the remote device terminal and data collected by a sensor at the remote device terminal. A data transmitter for transmitting data to the web server according to a request from the web server; Including, Update data for updating the monitor screen of the web client is generated through a control value parsed by the web server and outputted by parsing the transmitted data, And the update data is added to a webpage file to be serviced by a web client communicating with the web server and delivered to the web client. 10. The method of claim 9, The data transmission unit, And transmit the data to the web server by sending the data via socket communication to a proxy server in communication with the web server. 10. The method of claim 9, The data transmission unit, And transmit the data to the web server through a proxy module that forms a channel with the web server. 10. The method of claim 9, Data receiving unit for receiving data from the remote device terminal More, And the received data includes at least one of data generated as a result of information processing at the remote device terminal and data collected through a sensor at the remote device terminal. In a method for providing a service from a web server to a web client, Authenticating a web client requesting access from the web server and creating a session with the web client; Transmitting and receiving data from the web server to a communication server providing a service requested by the web client; Generating update data for updating the monitor screen of the web client through a control value parsed and output from the data received from the communication server in the web server; And Adding the generated update data to a web page file to be serviced by the web client and transmitting it to the web client Including, service providing method.

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