CN104408778B - Implementation method, attendance recorder and the work attendance server of long-range work attendance based on passing through NAT - Google Patents
Implementation method, attendance recorder and the work attendance server of long-range work attendance based on passing through NAT Download PDFInfo
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- CN104408778B CN104408778B CN201410530147.1A CN201410530147A CN104408778B CN 104408778 B CN104408778 B CN 104408778B CN 201410530147 A CN201410530147 A CN 201410530147A CN 104408778 B CN104408778 B CN 104408778B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
- G07C1/12—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity wherein the time is indicated in figures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/256—NAT traversal
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention belongs to the communications field, disclose implementation method, attendance recorder and the work attendance server of a kind of long-range work attendance based on passing through NAT.In embodiments of the present invention, set up TCP by the domain name of parsing NAT server with described NAT server to be connected；Send Peer mark to described NAT server and password is registered, and obtain IP address and the Port port of the external public network that work attendance server is registered on described NAT server；Communication connection is set up in IP address and Port port by the external public network of described work attendance server, sends attendance data.The embodiment of the present invention provide long-range work attendance implementation method can inter-network, carry out long-range work attendance in the wide area network, it is simple to employee is turned out for work and effectively manages by enterprises and institutions.
Description
Technical field
The invention belongs to the communications field, particularly relate to the implementation method of long-range work attendance based on passing through NAT, examine
Diligent machine and work attendance server.
Background technology
In Modern Enterprise Administration, attendance checking system can be good at managing the turning out for work, for enterprise to employee of employee
Turn out for work be made that bigger convenient.
But, now a lot of companies are designed with branch, and Executive Team's only one of which, different local branches
The work attendance of employee be difficult to manage, and present attendance checking system can not carry out long-range work attendance by wide area network, for
The attendance of enterprise staff is unfavorable.
Summary of the invention
It is an object of the invention to provide the implementation method of a kind of long-range work attendance based on passing through NAT, it is intended to solve
The problem that certainly existing attendance checking system can not carry out long-range work attendance by wide area network.
In order to solve above-mentioned technical problem, the present invention is achieved in that a kind of based on passing through NAT long-range
The implementation method of work attendance, is applied to attendance recorder, said method comprising the steps of:
Resolve the domain name of NAT server, and set up TCP according to domain name with described NAT server and be connected；
Send Peer mark and password to described NAT server, described NAT server carry out authenticating also
Preserve IP address and the Port port of the external public network of attendance recorder registration；
Obtain IP address and the Port end of the external public network that work attendance server is registered on described NAT server
Mouthful, NAT server saves IP address and the Port port of the external public network of work attendance server；
Set up communication connection with IP address and the Port port of the external public network of described work attendance server, send
Attendance data.
The present invention also aims to provide the implementation method of a kind of long-range work attendance based on passing through NAT, application
In work attendance server, said method comprising the steps of:
Resolve the domain name of NAT server, and set up TCP according to domain name with described NAT server and be connected；
Send Peer mark and password to described NAT server, described NAT server carry out authenticating also
Preserve IP address and the Port port of the external public network of work attendance server registration；
Obtain IP address and the Port port of the external public network that attendance recorder is registered on described NAT server,
NAT server saves IP address and the Port port of the external public network of work attendance server；
IP address and Port port by the external public network of described work attendance server are set up with described attendance recorder
Communication connection, receives attendance data.
Another object of the present invention is to provide a kind of attendance recorder, described attendance recorder includes:
First resolution unit, for resolving the domain name of NAT server；
First connection establishment unit, is connected for setting up TCP according to domain name with described NAT server；
First transmitting element, for sending Peer mark and password to described NAT server, by described NAT
Server carries out authenticating and preserving IP address and the Port port of the external public network of attendance recorder registration；
First acquiring unit, for obtaining the external public network that work attendance server is registered on described NAT server
IP address and Port port, NAT server save the external public network of work attendance server IP address and
Port port；
Second connection establishment unit, for IP address and Port with the external public network of described work attendance server
Port sets up communication connection；
Data transmission unit, for by the IP address of the external public network of described work attendance server and Port end
Mouth sends attendance data to described work attendance server.
Another object of the present invention also resides in a kind of work attendance server of offer, and described work attendance server includes:
Second resolution unit, for resolving the domain name of NAT server；
3rd connection establishment unit, is connected for setting up TCP according to domain name with described NAT server；
Second transmitting element, for sending Peer mark and password to described NAT server, by described NAT
Server carries out authenticating and preserving IP address and the Port port of the external public network of work attendance server registration；
Second acquisition unit, for obtaining the IP of the external public network that attendance recorder is registered on described NAT server
Address and Port port, NAT server saves IP address and the Port of the external public network of work attendance server
Port；
4th connection establishment unit, for by the IP address of the external public network of described work attendance server and
Port port sets up communication connection with described attendance recorder；
Data receipt unit, for receiving the described attendance recorder IP by the external public network of described work attendance server
The attendance data that address and Port port send.
In embodiments of the present invention, the domain name by resolving NAT server sets up TCP with described NAT server
Connect；Send Peer mark to described NAT server and password is registered, and obtain work attendance server
The IP address of the external public network registered on described NAT server and Port port；Taken by described work attendance
IP address and the Port port of the external public network of business device set up communication connection, send attendance data.The present invention
Embodiment provide long-range work attendance implementation method can inter-network, carry out long-range work attendance in the wide area network, it is simple to
Employee is turned out for work and effectively manages by enterprises and institutions.
Accompanying drawing explanation
Fig. 1 is that the implementation method of based on passing through NAT the long-range work attendance that the embodiment of the present invention provides is applied to examine
The flow chart of diligent machine；
Fig. 2 be first embodiment of the invention provide obtain work attendance server register on NAT server right
The IP address of outer public network and the flow chart of Port port；
Fig. 3 is that the implementation method of based on passing through NAT the long-range work attendance that the embodiment of the present invention provides is applied to examine
The flow chart of diligent server；
Fig. 4 be second embodiment of the invention provide obtain attendance recorder register on NAT server to granddad
The IP address of net and the flow chart of Port port；
Fig. 5 is the frame diagram of the attendance recorder that the embodiment of the present invention provides；
Fig. 6 is the frame diagram of the work attendance server that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Below in conjunction with specific embodiment the present invention implemented and is described in detail:
Fig. 1 shows the implementation method application of based on passing through NAT the long-range work attendance that the embodiment of the present invention provides
In the flow process of attendance recorder, for convenience of description, only list the part relevant to the embodiment of the present invention, describe in detail such as
Under:
The realization side of based on passing through NAT the long-range work attendance being applied to attendance recorder that the embodiment of the present invention provides
Method, comprises the following steps:
Step S10, resolves the domain name of NAT server, and sets up TCP according to this domain name and this NAT server
Connect.In embodiments of the present invention, attendance recorder to be connected with NAT server, it is necessary first to resolves NAT clothes
The domain name of business device (address registration server), sets up TCP according to domain name with NAT server and is connected.
Step S20, sends Peer mark and password to this NAT server, this NAT server reflects
Weigh and preserve IP address and the Port port of the external public network of attendance recorder registration.In the present embodiment, work attendance
Machine is set up after TCP is connected with NAT server, sends Peer mark to NAT server and password is noted
Volume, after having registered, NAT server preserves IP address and the Port port of the external public network of attendance recorder,
Verify so that follow-up and call when needing.
Step S30, obtain the IP address of external public network that work attendance server register on this NAT server with
Port port.In the present embodiment, work attendance server is registered too on NAT server, NAT
Server saves IP address and the Port port of the external public network of work attendance server.
Step S40, sets up communication link with IP address and the Port port of the external public network of this work attendance server
Connect, send attendance data.In the present embodiment, if needing long-range work attendance, it is necessary to attendance recorder is with long-range
Work attendance server connect and remotely connect, the present embodiment realizes attendance recorder and work attendance clothes by passing through NAT technology
The long-range point-to-point connection (being connected with external public network IP address and the Port port of work attendance server) of business device.
Pass through be connected it should be noted that this attendance recorder and this work attendance server realize NAT based on udp protocol
Communication.
Embodiment one:
Fig. 2 shows that the acquisition work attendance server that first embodiment of the invention provides is registered on NAT server
The IP address of external public network and the flow process of Port port, for convenience of description, only list and the present invention be real
Executing the part that example is relevant, details are as follows:
As one embodiment of the present invention, step S30 specifically includes following steps:
Step S301, sends communication request to this NAT server.Please according to this communication by this NAT server
Ask and judge whether this attendance recorder has authority and send attendance data to this work attendance server；
If it is, perform step S302, if it is not, then the process of termination.
Step S302, this work attendance server receiving the return of this NAT server is registered on this NAT server
The IP address of external public network and Port port.
In embodiments of the present invention, attendance recorder to be set up with work attendance server and to be remotely connected, and needs first to NAT
Server sends connection request, and NAT server judges whether it has authority and carry out remotely with work attendance server
Connect, if it has, then IP address and the Port port of the external public network of work attendance server are sent to work attendance
Machine.
Fig. 3 shows the implementation method application of based on passing through NAT the long-range work attendance that the embodiment of the present invention provides
In the flow process of work attendance server, for convenience of description, the part relevant to the embodiment of the present invention is only listed, in detail
State as follows:
The realization of based on passing through NAT the long-range work attendance being applied to work attendance server that the embodiment of the present invention provides
Method, comprises the following steps:
Step S50, resolves the domain name of NAT server, and sets up TCP according to this domain name and this NAT server
Connect.Work attendance server is set up with NAT server and is remotely connected, and needs first to resolve the domain name of NAT server,
Then set up TCP to connect.
Step S60, sends Peer mark and password to this NAT server, this NAT server reflects
Weigh and preserve IP address and the Port port of the external public network of work attendance server registration.
Step S70, obtains IP address and the Port of the external public network that attendance recorder is registered on this NAT server
Port.When work attendance server to be set up with attendance recorder and to be remotely connected, need to first obtain attendance recorder and service at NAT
The IP address of the external public network registered on device and Port port.
Step S80, by the IP address of the external public network of this work attendance server and Port port and this work attendance
Communication connection set up by machine, receives attendance data.In the present embodiment, work attendance server is external by attendance recorder
IP address and the Port port of public network are connected with attendance recorder, receive the attendance data of attendance recorder.
Embodiment two:
It is right that Fig. 4 shows that the acquisition attendance recorder that second embodiment of the invention provides is registered on NAT server
The IP address of outer public network and the flow process of Port port, for convenience of description, only list and the embodiment of the present invention
Relevant part, details are as follows:
As one embodiment of the present invention, step S70 particularly as follows:
Step S701, sends communication request to this NAT server.Please according to this communication by this NAT server
Ask and judge whether this work attendance server has authority and receive the attendance data that this attendance recorder sends；
If it is, perform step S702, if it is not, then the process of termination.
Step S702, receive this NAT server return this attendance recorder register on this NAT server right
The IP address of outer public network and Port port.
Work attendance server is mainly authenticated by the present embodiment, is attached with attendance recorder when it has permission
Time, receive the IP address of external public network and the Port port of the attendance recorder that NAT server returns, with this
Attendance recorder is set up and is connected.
Fig. 5 shows the framework of the attendance recorder that the embodiment of the present invention provides, for convenience of description, only list with
The part that the embodiment of the present invention is relevant, details are as follows:
The attendance recorder 1 that the embodiment of the present invention provides, including first resolution unit the 100, first connection establishment list
Unit's 200, first transmitting element the 300, first acquiring unit the 400, second connection establishment unit 500 and number
According to transmitting element 600.
In embodiments of the present invention, the first resolution unit 100 is for resolving the domain name of NAT server；First
Connection establishment unit 200 is connected for setting up TCP according to this domain name with this NAT server；First sends list
Unit 300, for sending Peer mark and password to this NAT server, is authenticated by this NAT server
And preserve IP address and the Port port of the external public network of attendance recorder registration；First acquiring unit 400 is used for
Obtain IP address and the Port port of the external public network that work attendance server is registered on this NAT server；The
Two connection establishment unit 500 are built for the IP address and Port port with the external public network of this work attendance server
Vertical communication connection；Data transmission unit 600, for the IP address by the external public network of this work attendance server
Attendance data is sent to this work attendance server with Port port.
Further, this attendance recorder and this work attendance server realize NAT based on udp protocol and pass through and be connected communication.
As one embodiment of the present invention, the first acquiring unit 400 includes the first communication request subelement
401, first subelement 402 and the first Process flowchart subelement 403 are received.
In embodiments of the present invention, the first communication request subelement 401 is logical for sending to this NAT server
By this NAT server, letter request, judges whether this attendance recorder has authority and send work attendance to this work attendance server
Data；First receives subelement 402 for receiving this work attendance server of this NAT server return at this NAT
The IP address of the external public network registered on server and Port port；First Process flowchart subelement 403 is used
In the process of termination.
Attendance recorder and above-described embodiment that the embodiment of the present invention provides are applied to attendance recorder based on passing through NAT
The embodiment of implementation method of long-range work attendance corresponding, its operation principle is the most corresponding with mode identical, the most just
Repeat no more.
Fig. 6 shows the framework of the work attendance server that the embodiment of the present invention provides, and for convenience of description, only arranges
Going out the part relevant to the embodiment of the present invention, details are as follows:
The work attendance server 2 that the embodiment of the present invention provides, builds including the second resolution unit the 700, the 3rd connection
Vertical unit the 800, second transmitting element 900, second acquisition unit the 1000, the 4th connection establishment unit 1100
And data receipt unit 1200.
In embodiments of the present invention, the second resolution unit 700 is for resolving the domain name of NAT server；3rd
Connection establishment unit 800 is connected for setting up TCP according to this domain name with this NAT server；Second sends list
Unit 900, for sending Peer mark and password to this NAT server, is authenticated by this NAT server
And preserve IP address and the Port port of the external public network of work attendance server registration；Second acquisition unit 1000
For obtaining IP address and the Port port of the external public network that attendance recorder is registered on this NAT server；The
Four connection establishment unit 1100 are used for IP address and the Port end of the external public network by this work attendance server
Mouth sets up communication connection with this attendance recorder；Data receipt unit 1200 is used for receiving this attendance recorder and is examined by this
The attendance data that the IP address of the external public network of diligent server and Port port send.Excellent as the present invention one
The second communication request subelement 1001, second receives son list to select embodiment, second acquisition unit 1000 to include
Unit 1002 and the second Process flowchart subelement 1003.
In embodiments of the present invention, the second communication request subelement 1001 is for sending communication to this NAT server
By this NAT server, request, judges whether this work attendance server has authority and receive examining of this attendance recorder transmission
Diligent data；Second receives subelement 1002 for receiving this attendance recorder of this NAT server return at this NAT
The IP address of the external public network registered on server and Port port；Second Process flowchart subelement 1003
For terminating process.
The base of work attendance server is provided in the work attendance server of embodiment of the present invention offer and above-described embodiment
Corresponding in the embodiment of the implementation method of the long-range work attendance of passing through NAT, all corresponding phase of its operation principle and mode
With, the most just repeat no more.
In embodiments of the present invention, the domain name by resolving NAT server sets up TCP with described NAT server
Connect；Send Peer mark to described NAT server and password is registered, and obtain work attendance server
The IP address of the external public network registered on described NAT server and Port port；Taken by described work attendance
IP address and the Port port of the external public network of business device set up communication connection, send attendance data.The present invention
Embodiment provide long-range work attendance implementation method can inter-network, carry out long-range work attendance in the wide area network, it is simple to
Employee is turned out for work and effectively manages by enterprises and institutions.
It will be appreciated by those skilled in the art that the unit included for above-described embodiment is simply patrolled according to function
Volume carry out dividing, but be not limited to above-mentioned division, as long as being capable of corresponding function；Separately
Outward, the specific name of each functional unit also only to facilitate mutually distinguish, is not limited to the present invention's
Protection domain.
Those of ordinary skill in the art it is also understood that, it is achieved all or part of step in above-described embodiment method
Suddenly the program that can be by completes to instruct relevant hardware, and described program can be stored in a calculating
In machine read/write memory medium, described storage medium, including ROM/RAM, disk, CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. an implementation method for long-range work attendance based on passing through NAT, is applied to attendance recorder, and it is special
Levy and be, said method comprising the steps of:
Resolve the domain name of NAT server, and set up TCP according to domain name and described NAT server
Connect；
Send Peer mark and password to described NAT server, described NAT server reflect
Weigh and preserve IP address and the Port port of the external public network of attendance recorder registration；
Obtain the IP address of external public network that work attendance server register on described NAT server with
Port port, NAT server saves IP address and the Port of the external public network of work attendance server
Port；
Communication connection is set up with IP address and the Port port of the external public network of described work attendance server,
Send attendance data.
2. the method for claim 1, it is characterised in that described acquisition work attendance server exists
On described NAT server registration the IP address of external public network and the step of Port port particularly as follows:
Send communication request to described NAT server, described NAT server judge described attendance recorder
Whether there is authority and send attendance data to described work attendance server；
If it is, receive the described work attendance server of described NAT server return at described NAT
The IP address of the external public network registered on server and Port port；
If it is not, then termination process.
3. the method for claim 1, it is characterised in that described attendance recorder and described work attendance
Server realizes NAT based on udp protocol and passes through connection communication.
4. an implementation method for long-range work attendance based on passing through NAT, is applied to work attendance server,
It is characterized in that, said method comprising the steps of:
Resolve the domain name of NAT server, and set up TCP according to domain name and described NAT server
Connect；
Send Peer mark and password to described NAT server, described NAT server reflect
Weigh and preserve IP address and the Port port of the external public network of work attendance server registration；
Obtain IP address and the Port of the external public network that attendance recorder is registered on described NAT server
Port, NAT server saves IP address and the Port port of the external public network of work attendance server；
By the IP address of the external public network of described work attendance server and Port port and described attendance recorder
Set up communication connection, receive attendance data.
5. method as claimed in claim 4, it is characterised in that described acquisition attendance recorder is described
On NAT server registration the IP address of external public network and the step of Port port particularly as follows:
Send communication request to described NAT server, described NAT server judge that described work attendance takes
Whether business device has authority receives the attendance data that described attendance recorder sends；
If it is, receive the described attendance recorder of described NAT server return at described NAT server
The IP address of the external public network of upper registration and Port port；
If it is not, then termination process.
6. an attendance recorder, it is characterised in that described attendance recorder includes:
First resolution unit, for resolving the domain name of NAT server；
First connection establishment unit, for setting up TCP according to domain name and described NAT server
Connect；
First transmitting element, for sending Peer mark and password to described NAT server, by institute
State NAT server and carry out authenticating and preserving IP address and the Port of the external public network of attendance recorder registration
Port, NAT server saves IP address and the Port port of the external public network of work attendance server；
First acquiring unit, external for obtain that work attendance server registers on described NAT server
The IP address of public network and Port port；
Second connection establishment unit, for the IP address of the external public network of described work attendance server and
Port port sets up communication connection；
Data transmission unit, for by the IP address of the external public network of described work attendance server and
Port port sends attendance data to described work attendance server.
7. attendance recorder as claimed in claim 6, it is characterised in that described first acquiring unit bag
Include:
First communication request subelement, for sending communication request to described NAT server, by described
NAT server judges whether described attendance recorder has authority and send work attendance number to described work attendance server
According to；
First receives subelement, and the described work attendance server returned for receiving described NAT server exists
The IP address of the external public network registered on described NAT server and Port port；
First Process flowchart subelement, is used for terminating process.
8. attendance recorder as claimed in claim 6, it is characterised in that described attendance recorder is examined with described
Diligent server realizes NAT based on udp protocol and passes through connection communication.
9. a work attendance server, it is characterised in that described work attendance server includes:
Second resolution unit, for resolving the domain name of NAT server；
3rd connection establishment unit, for setting up TCP according to domain name and described NAT server
Connect；
Second transmitting element, for sending Peer mark and password to described NAT server, by institute
State NAT server carry out authenticating and preserving work attendance server registration external public network IP address and
Port port；
Second acquisition unit, for obtaining the external public network that attendance recorder is registered on described NAT server
IP address and Port port, NAT server saves the IP address of the external public network of work attendance server
With Port port；
4th connection establishment unit, for the IP address by the external public network of described work attendance server
Communication connection is set up with described attendance recorder with Port port；
Data receipt unit, for receiving the described attendance recorder external public network by described work attendance server
IP address and Port port send attendance data.
10. work attendance server as claimed in claim 9, it is characterised in that described second obtains list
Unit includes:
Second communication request subelement, for sending communication request to described NAT server, by described
NAT server judges whether described work attendance server has authority and receive examining of described attendance recorder transmission
Diligent data；
Second receives subelement, for receiving the described attendance recorder of described NAT server return described
The IP address of the external public network registered on NAT server and Port port；
Second Process flowchart subelement, is used for terminating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530147.1A CN104408778B (en) | 2014-10-10 | 2014-10-10 | Implementation method, attendance recorder and the work attendance server of long-range work attendance based on passing through NAT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530147.1A CN104408778B (en) | 2014-10-10 | 2014-10-10 | Implementation method, attendance recorder and the work attendance server of long-range work attendance based on passing through NAT |
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| CN104408778A CN104408778A (en) | 2015-03-11 |
| CN104408778B true CN104408778B (en) | 2016-08-24 |
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| CN101471938B (en) * | 2007-12-27 | 2012-06-20 | 华为技术有限公司 | Authentication method, system and device for point-to-point network |
| US8402516B2 (en) * | 2010-05-06 | 2013-03-19 | Jonathan Weizman | Apparatus and method for establishing a peer-to-peer communication session with a host device |
| KR101263783B1 (en) * | 2010-12-27 | 2013-05-13 | 삼성에스디에스 주식회사 | System and method for data transmission using relay server |
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Effective date of registration: 20211108 Address after: 276700 Zhongchuang space, Xingye street, economic development zone, Linshu County, Linyi City, Shandong Province Patentee after: Linshu Yixing steam supply maintenance service Co.,Ltd. Address before: 239000 east side of Qinglong Street, Yong Yang Road, Lai An county, Chuzhou, Anhui Patentee before: LAI'AN COUNTY XINYUAN MECHANICAL AND ELECTRICAL EQUIPMENT Co.,Ltd. |