CN101325523B - Method for establishing network connecting line between client and server and correlated system thereof - Google Patents
Method for establishing network connecting line between client and server and correlated system thereof Download PDFInfo
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- CN101325523B CN101325523B CN200710109976.2A CN200710109976A CN101325523B CN 101325523 B CN101325523 B CN 101325523B CN 200710109976 A CN200710109976 A CN 200710109976A CN 101325523 B CN101325523 B CN 101325523B
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Abstract
A method for using hypertext transmission protocol to establish a network connecting line between a customer terminal and a servomechanism terminal through an agent servomechanism includes: receiving connecting line request from the customer terminal; sending a connecting line request to the servomechanism terminal; establishing a connecting line channel between the customer terminal and the servomechanism terminal and setting channel identification code of the customer terminal; and transmitting the channel identification code to the customer terminal.
Description
Technical field
The invention provides a kind of method and related system thereof of network connectivity set up at client and servo driver end by agent servo, espespecially a kind of HTML (Hypertext Markup Language) of utilizing is set up method and the related system thereof of network connectivity at client and servo driver end.
Background technology
In recent years, the universal and rational price of computer and network equipment is impelled setting up significantly of local area network (LAN) (Local AreaNetwork, LAN) and constantly grows up.Local area network (LAN) can stay at home easily or office in etc. be established in small area, make more people can pass through set up local area network (LAN) computers all in particular range linked up and shared resource.Yet, in order to prevent from outside threat and destruction, usually set up fire compartment wall in local area network (LAN), be used for protecting the computer in local area network (LAN).Yet, though fire compartment wall can be protected the safety of self internal network, reduced convenience.Therefore, how the keyholed back plate LAN safety does not but affect the convenience of local area network (LAN), becomes one of the problem that must face while setting up local area network (LAN).
Please refer to Fig. 1, Fig. 1 is the schematic diagram that prior art is positioned at the system 10 on network.System 10 comprises a servo driver end 110, one first client 120 and one second client 130.Servo driver end 110, the first client 120 and the second client 130 are by same local area network (LAN) 150 lines.For instance, local area network (LAN) 150 can be the internal network of enterprise institution, campus or administrative unit.Servo driver end 110 is used to provide network service miscellaneous, as print data, share file, transmit data, network storage area etc. is provided.Generally in local area network (LAN), the first client 120 or the second client 130 are by transmission control protocol and Internet Protocol (Transmission ControlProtocol/Internet Protocol, TCP/IP) be directly connected to servo driver end 110, with the network service miscellaneous that uses servo driver end 110 to be provided.
Please refer to Fig. 2, Fig. 2 is the first client 120 in Fig. 1 and the schematic diagram of the interaction mode of servo driver end 110.As shown in Figure 2, at first, the first client 120 must be sent to servo driver end 110 requirement (Request) of connection.Now, for the TCP/IP network, the first client 120 must first be known IP address (IP Address) and the communication terminal slogan (Port Number) of servo driver end 110.Then, servo driver end 110 can determine whether accepting or refusing the connection request that the first client 120 is sent according to set of rule.If, during the connection request that servo driver end 110 acceptance the first clients 120 are sent, the first client 120 can be sent a request or an order; The actual content of this request or this order is relevant with the network service that servo driver end 110 provides, for example, 120 pairs of servo driver ends 110 of the first client send " downloading a file ", " deleting a file ", " a newly-built catalogue ", " print data " ... the request waited or order.Finally, servo driver end 110, after processing this request, can return to the first client 120 by data and result, and send a response (Response) to the first client 120.
Generally speaking, the user uses network service miscellaneous in office, and major part all can be described with above-mentioned Client/Server model.Yet, when the user leaves office, the network service that internet (Internet) but can't be used office to provide easily can be provided the user.Please refer to Fig. 3, Fig. 3 is the schematic diagram that prior art is positioned at the system 30 on network.System 30 comprises a servo driver end 310, one first client 320, one second client 330 and a fire compartment wall 340, wherein, servo driver end 310 and the second client 330 are by same local area network (LAN) 350 lines, and the first client 320 is positioned on the outer internet 380 of local area network (LAN) 350.And fire compartment wall 340 is between local area network (LAN) 350 and internet 380, be used for intercepting the computer (as servo driver end 310 and the second client 330) that computer (as the first client 320) on internet 380 contacts arbitrarily local area network (LAN) 350 inside, thus, the first client 320 can't link to by internet 380 computer of local area network (LAN) 350 inside.Although fire compartment wall 340 can protect the safety of self internal network to reduce also convenience.
In local area network (LAN), use the mode of network service to be directly connected to servo driver end by ICP/IP protocol.Yet, contacting arbitrarily the computer (as servo driver end 310 and the second client 330) of local area network (LAN) inside in order to intercept computer (as the first client 320) on the internet, general enterprises can set up fire compartment wall and protect the computer in local area network (LAN).On the other hand, computer or the network equipment in local area network (LAN), mostly use virtual ip address, by network address translation (Network Address Translation, NAT) equipment can be connected to internet, but see conversely, the computer on the internet but can't be connected to the computer of local area network (LAN) inside.Therefore, when the user stays at home or goes on business, the user can connect internet but can't use the network service provided in those offices easily.In order to allow computer on the internet also can use the network service of local area network (LAN) inside or to be connected to the computer of local area network (LAN) inside, can adopt virtual private net (Virtual Private Network, VPN) or the technology such as Port Mapper, but the equipment related to is very complicated with configuration, and very uneconomical in the consideration of cost.
Summary of the invention
The invention provides and a kind ofly by agent servo, in client and servo driver end, utilize HTML (Hypertext Markup Language) to set up the method for network connectivity.The method comprises: receive the line request of this client; Send the line request to this servo driver end; Set up a connection channels and set the channel recognition code of this client between this client and this servo driver end; And transmit this channel recognition code to this client.The method also comprises setting up of accepting that this client sends and one writes the request of passage, and sends the request of setting up a fetch channel to this agent servo.Wherein, the line request of this client is a hypertext transfer protocol requests.
The present invention also provides a kind of system of HTML (Hypertext Markup Language) from the Internet wired to a local area network (LAN) of utilizing.This system comprises a client, a servo driver end and is acted on behalf of server.This servo driver end is in order to provide the service of transmission data.This agent servo can pass through a Internet wired with this client, and this agent servo can be with this servo driver end by this local area network (LAN) line.Wherein, this servo driver end and this agent servo are by this local area network (LAN) line, and this client only can be passed through this internet and this agent servo line.Wherein, when this client is connected to this agent servo and sends the line request by HTML (Hypertext Markup Language), this agent servo use the transfer control agreement respectively with this client and this servo driver end line, and transmit a channel recognition code to this client.This client also is used for sending a hypertext transfer protocol requests to this agent servo, and this agent servo also is used for sending a transfer control agreement connection request to this servo driver end.This client separately is used for sending sets up a request that writes channel to this agent servo, and sends and set up one and read the request of channel to this agent servo.
The accompanying drawing explanation
Fig. 1 is the schematic diagram that prior art is positioned at the system on network.
The schematic diagram of the interaction mode that Fig. 2 is the first client in Fig. 1 and servo driver end.
Fig. 3 is the schematic diagram that prior art is positioned at the system on network.
Fig. 4 is the schematic diagram that one embodiment of the invention is positioned at the system on network.
Fig. 5 is the schematic diagram of the interaction mode of the first client, agent servo and servo driver end in Fig. 4.
Fig. 6 is that the present invention one first embodiment illustrates and a kind ofly by agent servo, at client and servo driver end, utilizes HTML (Hypertext Markup Language) to set up the schematic diagram of flow process of the method for network connectivity.
The reference numeral explanation
10,30,40 systems
110,310,410 servo driver ends
120,320,420 first clients
130,330,430 second clients
150,350,450 local area network (LAN)s
340,440 fire compartment walls
380,480 internets
470 agent servos
60 flow processs
The 602-622 step
Embodiment
Please refer to Fig. 4, Fig. 4 is the schematic diagram that one embodiment of the invention is positioned at the system 40 on network.System 40 comprises a servo driver end 410, one first client 420, one second client 430, a fire compartment wall 440 and and acts on behalf of server 470.Servo driver end 410, the second client 430 are with agent servo 470 by same local area network (LAN) 450 lines, and the first client 420 is positioned on the outer internet 480 of local area network (LAN) 450.Fire compartment wall 440, between local area network (LAN) 450 and internet 480, is used for intercepting the computer (as servo driver end 410 and the second client 430) that computer (as the first client 420) on internet 480 contacts arbitrarily local area network (LAN) 450 inside.Agent servo 470 can pass through internet 480 lines with the first client 420, and agent servo 470 can be with this servo driver end 410 by local area network (LAN) 450 lines.Note that servo driver end 410 and agent servo 470 pass through local area network (LAN) 450 lines, and the first client 420 only can be by internet 480 and agent servo 470 lines.When the first client 420 is connected to agent servo 470 and sends the line request by HTML (Hypertext Markup Language), 470 of agent servos use the transfer control agreements respectively with the first client 420 and servo driver end 410 lines, and transmit channel recognition code to the first client 420.
The function mode of above-mentioned the first client 420, agent servo 470 and servo driver end, will describe in detail in Fig. 5.Wherein, the first client 420 also can be used to send a hypertext transfer protocol requests to agent servo 470, can be with agent servo 470 by internet 480 lines.And agent servo 470 is receiving this hypertext transfer protocol requests, also can be used to send a transfer control agreement connection request to servo driver end 410, agent servo 470 can be with this servo driver end 410 by local area network (LAN) 450 lines.Afterwards, the first client 420 also can be used to send sets up a request that writes channel to agent servo 470, and sends and set up a request of reading channel to agent servo 470, to set up two TCP, connects.Finally, this request that writes passage of setting up that agent servo 470 also can be used to the first client 420 is sent is sent to servo driver end 410, servo driver end 410 also is used for sending a response to agent servo 470, and agent servo 470 also is used for transmitting a HTML (Hypertext Markup Language), responds to the first client 420.
In the above-described embodiment, local area network (LAN) 450 can be the internal network of enterprise institution, school or administrative unit, but is not limited to this, also can be other local area network (LAN).In addition, servo driver end 410 is used to provide network service miscellaneous, similarly be " downloading a file ", " deleting a file ", " a newly-built catalogue ", " print data ", " transmission data " ... etc., but be not limited to this, also can be other network service.
Please refer to Fig. 5, the schematic diagram of the interaction mode that Fig. 5 is the first client 420, agent servo 470 and servo driver end 410 in Fig. 4.As shown in Figure 5, at first, the first client 420 is sent a HTTP connection request to agent servo 470, such as can use HTTP GET or HTTP POST order, must specify IP address (IP Address) and the communication terminal slogan (Port Number) of servo driver end.Note that the function and management of relevant HTTP order, the technology that this is familiar by those skilled in the art, do not repeat them here.Then, the IP address that agent servo 470 provides according to the first client 420 and communication terminal slogan, send the request of connection to servo driver end 410.Now, servo driver end 410 can determine whether the connection request of accepting or refusal agent servo 470 sends according to a preset rules.After servo driver end 410 is accepted connection request that agent servo 470 sends, agent servo 470 can be set up a connection channels and set a channel recognition code (Channel ID) of the first client 420 between the first client 420 and servo driver end 410.The first client 420 must record this channel identification code, and one independently TCP in connecting, use HTTP POST order to send to agent servo 470 request that writes passage (Writing Channel) of setting up.All requests that after note that, the first client 420 will send all will connect and be sent to agent servo 470 via this TCP.When the first client 420, to agent servo 470, send while setting up the request that this writes channel, this request that writes passage of setting up that agent servo 470 sends the first client 420 is transmitted to servo driver end 410 without polishingly.Then, the first client 420 is independently used the HTTPGET order to send the request of setting up a fetch channel (Reading Channel) to agent servo 470 in the TCP connection at another.When acting on behalf of the request of setting up this fetch channel that server 470 sends the first client 420 and be sent to servo driver end 410, servo driver end 410 is sent to agent servo 470 by data and result after processing, and sends a response (Response) to agent servo 470.Finally, the response that agent servo 470 is used the mode of http response that servo driver end 410 is sent in the TCP that reads channel connects is transmitted to the first client 420.After note that, all responses of servo driver end 410 all will connect and be sent to the first client 420 via this TCP.
In the above-described embodiment, this HTTP connection request can be HTTP GET or HTTP POST order, or other HTTP order.Note that in this example and comprise altogether two independently TCP connections, first TCP connection is set up this and is write passage, and all requests that the first client 420 will send all connect and are sent to agent servo 470 by this TCP; This fetch channel is set up in second TCP connection, and all responses of servo driver end 410 all connect and are sent to the first client 420 by this TCP.By method of the present invention, no matter where the first client 420 is positioned at, all can use http protocol to be connected to easily agent servo 470, then be transferred to the computer (as servo driver end 410 or the second client 430) of local area network (LAN) 450 inside.
Please refer to Fig. 6, Fig. 6 is that the present invention one first embodiment illustrates and a kind ofly by agent servo, at client and servo driver end, utilizes HTML (Hypertext Markup Language) to set up the schematic diagram of flow process 60 of the method for network connectivity.Flow process 60 comprises following step:
Step 602: flow process starts.
Step 604: agent servo 470 receives the HTTP connection request of the first client 410.
Step 606: agent servo 470 sends a TCP connection request to servo driver end 410.
Step 608: the TCP connection request that servo driver end 410 is accepted or refusal agent servo 470 sends.If servo driver end 410 is accepted the TCP connection request that agent servo 470 sends, perform step 610; Otherwise, perform step 622.
Step 610: agent servo 470 is set up a connection channels and is set a channel recognition code of the first client 420 between the first client 420 and servo driver end 410.
Step 612: the first client 420 sends to agent servo 470 request that writes passage of setting up.
Step 614: this request that writes passage of setting up that agent servo 470 sends the first client 420 is sent to servo driver end 410.
Step 616: the first client 420 is sent the request of setting up a fetch channel to agent servo 470.
Step 618: servo driver end 410 sends a response to agent servo 470.
Step 620: agent servo 470 transmits a http response to the first client 420.
Step 622: agent servo 470 return connection errors are given the first client 420.
Please in conjunction with Fig. 5 so that explanation.At first, agent servo 470 receives the HTTP connection request (step 604) of the first client 410.Then, agent servo 470 is according to the HTTP connection request of the first client 420, send TCP connection request (step 606) to servo driver end 410, and the TCP connection request (step 608) that agent servo 470 sends can be accepted or refuse to servo driver end 410.Next, illustrate in two sub-sections: when servo driver end 410 is accepted TCP connection request that agent servo 470 sends, execution step 610-620; When TCP connection request that servo driver end 410 refusal agent servos 470 send, perform step 622.If servo driver end 410 is accepted the TCP connection request that agent servo 470 sends, agent servo 470 is set up a connection channels and is set a channel recognition code (step 610) of the first client 420 between the first client 420 and servo driver end 410.The first client 420 must record this channel identification code, and independently in the TCP connection, to agent servo 470, sends respectively and set up the request (step 612) that this writes passage at two, and the request (step 616) of setting up this fetch channel.In step 614, this request that writes passage of setting up that agent servo 470 sends the first client 420 again is transmitted to servo driver end 410 without polishingly.In step 618-620, servo driver end 410 is sent to agent servo 470 by data and result after processing, and sends a response to agent servo 470, and agent servo 470 sends http response again to the first client 420.On the other hand, if during the TCP connection request that servo driver end 410 refusal agent servos 470 send, agent servo 470 return connection errors are given the first client 420 (step 622).
Note that this http response (HTTPResponse) and this channel recognition code that one Path Setup is completed send the first client 420 together to when transmitting this channel recognition code.
In the above-described embodiment, because servo driver end 410 and agent servo 470 pass through same local area network (LAN) 450 lines, agent servo 470 can be used ICP/IP protocol to be directly connected to servo driver end 410.On the other hand, although the first client 420 is positioned on the outer internet 480 of local area network (LAN) 450, the first client 420 only can be by internet 480 and agent servo 470 lines, but owing to using http protocol to be connected to agent servo 470, most fire compartment wall all can allow HTTP, so configuration effort that need not be extra too much can be connected to the computer (as servo driver end 410) in local area network (LAN) 450 easily.
Note that flow process 60 only for the present invention for feasible embodiment, and unrestricted restrictive condition of the present invention, and sequence of steps wherein can be done variation according to situation.
Above-described embodiment only is used for illustrating the present invention, does not limit to category of the present invention.The local area network (LAN) 450 of mentioning in literary composition can be the internal network of enterprise institution, campus or administrative unit, but is not limited to this, also can be other local area network (LAN).The first client 420, the second client 430 only are used for illustrating the present invention, and its number is not limited to two, also can expand to a plurality of, visual practical application and changing.In addition, the present invention adopts two independently TCP connections (this writes channel and this reads channel), is used for respectively transmitting the first client 420 and will sends to all requests of agent servo 470 and all responses that servo driver end 410 will send to the first client 420.Note that flow process 60 only for the present invention for feasible embodiment, and unrestricted restrictive condition of the present invention, and sequence of steps wherein can be done variation according to situation.
As from the foregoing, the invention provides and a kind ofly by agent servo, in client and servo driver end, utilize HTML (Hypertext Markup Language) to set up network wiring method and related system thereof.Because the first client 420 on internet 480 is used http protocol to be connected to agent servo 470, most fire compartment wall all can allow HTTP, so configuration effort that need not be extra too much can be connected to the computer (as servo driver end 410) in local area network (LAN) 450 easily.By method of the present invention, no matter where the first client 420 is positioned at, all can use http protocol to be connected to easily agent servo 470, then be transferred to the computer (as servo driver end 410 or the second client 430) of local area network (LAN) 450 inside.As for application of the present invention, modification in the first client 420 is also uncomplicated, need only change the program (an original TCP is connected and makes two independently TCP connections into) of setting up TCP and connecting, add some simple HTTP gauge outfits, must not revise fully at servo driver end 410.Not only very simple, convenient in the use, and without spending extra cost.Therefore, if the user stays at home or goes on business, the user not only can connect internet more can use the network service provided in those offices easily.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the claims in the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. one kind is utilized HTML (Hypertext Markup Language) to set up the method for network connectivity by agent servo in client and servo driver end, and the method comprises:
Receive a HTML (Hypertext Markup Language) line request of this client by agent servo;
Send a transfer control agreement line request by agent servo to this servo driver end according to the line request of this client;
Set up a connection channels by this agent servo and set the channel recognition code of this client between this client and this servo driver end; And
Transmit this channel recognition code to this client,
This client independently sends respectively to this agent servo the request that writes the request of passage and set up a fetch channel of setting up in the connection of transfer control agreement at two,
Wherein, this servo driver end and this agent servo are by a local area network (LAN) line, and this local area network (LAN) comprises the fire compartment wall that allows HTML (Hypertext Markup Language) to connect, and this client only can be by internet and this agent servo line.
2. the method for claim 1, it also comprises:
When transmitting this channel recognition code, the response that a Path Setup is completed and this channel recognition code send this client together to.
3. the method for claim 1, it also comprises:
Accept the request that foundation that this client sends writes passage; And
Accept the request of setting up fetch channel that this client is sent.
4. the method for claim 1, it also comprises:
Send the request of transfer control agreement line to this servo driver end after,
Receive the acceptance of this servo driver end or refuse this transfer control agreement line request.
5. method as claimed in claim 4, it also comprises:
When receiving this servo driver end and refuse this transfer control agreement line request, return connection error to this client.
6. one kind is utilized the system of HTML (Hypertext Markup Language) from the Internet wired to a local area network (LAN), and this system comprises:
One client;
One servo driver end, in order to provide the service of transmission data; And
One acts on behalf of server, can pass through a Internet wired with this client, and this agent servo can be with this servo driver end by this local area network (LAN) line, and wherein this local area network (LAN) comprises the fire compartment wall that allows HTML (Hypertext Markup Language) to connect; Wherein, this servo driver end and this agent servo are by this local area network (LAN) line, and this client only can be passed through this internet and this agent servo line;
Wherein, when this client is connected to this agent servo and sends the line request by HTML (Hypertext Markup Language), this agent servo use the transfer control agreement respectively with this client and this servo driver end line, and transmitting a channel recognition code to this client, this client independently sends respectively to this agent servo the request that writes the request of passage and set up a fetch channel of setting up in the connection of transfer control agreement at two.
7. system as claimed in claim 6, wherein:
This client also is used for sending a hypertext transfer protocol requests to this agent servo; And
This agent servo also is used for sending a transfer control agreement connection request to this servo driver end.
8. system as claimed in claim 6, wherein:
This request that writes passage of setting up that this agent servo also is used for this client is sent is sent to this servo driver end; And
This servo driver end also is used for sending a response to this agent servo.
9. system as claimed in claim 6, wherein:
This agent servo end also is used for transmitting a HTML (Hypertext Markup Language) and responds to this client.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710109976.2A CN101325523B (en) | 2007-06-11 | 2007-06-11 | Method for establishing network connecting line between client and server and correlated system thereof |
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| CN200710109976.2A CN101325523B (en) | 2007-06-11 | 2007-06-11 | Method for establishing network connecting line between client and server and correlated system thereof |
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| CN101325523A CN101325523A (en) | 2008-12-17 |
| CN101325523B true CN101325523B (en) | 2014-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201700036682A1 (en) * | 2017-04-04 | 2018-10-04 | Luciano Pietrantonio | Control system for access equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101917476B (en) * | 2010-08-11 | 2014-06-25 | 开曼群岛威睿电通股份有限公司 | Hyper text transmission protocol (HTTP) message processing method and client system thereof |
| CN106657277B (en) * | 2016-11-24 | 2020-06-12 | 上海携程商务有限公司 | Http proxy service method, server and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469591A (en) * | 2002-07-18 | 2004-01-21 | ��Ϊ��������˾ | Method of defending network transmission control protocol sync message from overflowing attack |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469591A (en) * | 2002-07-18 | 2004-01-21 | ��Ϊ��������˾ | Method of defending network transmission control protocol sync message from overflowing attack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201700036682A1 (en) * | 2017-04-04 | 2018-10-04 | Luciano Pietrantonio | Control system for access equipment |
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Granted publication date: 20140101 Termination date: 20200611 |