CN109194694A - A kind of knitting equipment conversation managing method Internet-based and system - Google Patents
A kind of knitting equipment conversation managing method Internet-based and system Download PDFInfo
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- CN109194694A CN109194694A CN201811282236.3A CN201811282236A CN109194694A CN 109194694 A CN109194694 A CN 109194694A CN 201811282236 A CN201811282236 A CN 201811282236A CN 109194694 A CN109194694 A CN 109194694A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention provides a kind of knitting equipment conversation managing method Internet-based and systems, this method is applied to knitting equipment conversation management system, the knitting equipment conversation management system includes server and knitting equipment, and the conversation managing method is the following steps are included: the knitting equipment or the server are initiated or response session request；After session request success, the authentication of the knitting equipment is carried out；After authentication success, the knitting equipment and the server carry out information exchange；The knitting equipment or the server are initiated or response disconnects request.Request/response information exchange mode is used between server and knitting equipment of the present invention, realizes reliable communication connection.
Description
Technical field
The invention belongs to knitting equipment networking technology field, in particular to a kind of knitting equipment session pipe Internet-based
Manage method and system.
Background technique
With the development of internet technology, industry internet just starts tide in the world.Though currently, knitting technology
The mechanical automation production phase so is come into, but the networking of knitting equipment is not widelyd popularize, especially for
Some old knitting equipments, networking hardware function are more weak.Therefore, it in order to promote the network savvy of knitting equipment, needs
Want the feasible knitting equipment conversation managing method of a set of science.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of knitting equipment session management sides Internet-based
Method and system can be realized the reliable communication between knitting equipment and server.It is specific the technical solution adopted is as follows:
A kind of knitting equipment conversation managing method Internet-based is applied to knitting equipment conversation management system, described
Knitting equipment conversation management system includes server and knitting equipment, the conversation managing method the following steps are included:
The knitting equipment or the server are initiated or response session request；
After session request success, the authentication of the knitting equipment is carried out；
After authentication success, the knitting equipment and the server carry out information exchange；
The knitting equipment or the server are initiated or response disconnects request.
Optionally, the authentication the following steps are included:
Requesting party sends connection code；
Responder verifies the correctness of the connection code；
If correct, the requesting party sends connection password request；
The responder returns to connection password；
The server verifies the correctness of the connection password.
Optionally, the information exchange includes:
The knitting equipment sends proprietary protocol data frame.
Optionally, during the knitting equipment sends proprietary protocol data frame, if the function that the knitting equipment is sent
Energy code error, the server recovery function mistake；If parameter and set information mistake that the knitting equipment is sent, described
Server reply parameter mistake；If the server receive the data frame physical length of the proprietary protocol data frame with it is described
When the data frame actual length that knitting equipment reports is inconsistent, the server replys error in data.
Optionally, the information exchange includes indentification protocol version；The indentification protocol version comprising steps of
Protocol version is sent, verifies whether the protocol version is latest edition, if it is not, then carrying out version updating.
Optionally, the information exchange includes heartbeat inspecting, the heartbeat inspecting the following steps are included:
When the knitting equipment not sent data in the first preset time, server sends heartbeat and keeps checking letter
Number, checking whether the knitting equipment is in can interaction mode；If the knitting equipment has replied heartbeat hold acknowledge signal,
Keep the connection between the knitting equipment and server；If the heartbeat is kept after checking that signal is sent, the knitting equipment
The heartbeat hold acknowledge signal is not replied in the second preset time, then the server sends the heartbeat again and keeps checking
Signal；If the server transmission heartbeat keeps checking that signal number has reached preset times, do not receive yet described
Heartbeat hold acknowledge signal, the server disconnect the connection with the knitting equipment.
Optionally, the disconnection request includes open command.
A kind of knitting equipment conversation management system Internet-based, including server and knitting equipment；
The knitting equipment and the server include session request module, for initiation or response session request；
The knitting equipment and the server include authentication module, for carrying out institute after session request success
State the authentication of knitting equipment；
The knitting equipment and the server include information exchange module, for carrying out letter after authentication success
Breath interaction；
The knitting equipment and the server include disconnecting module, disconnect request for initiating or responding.
Optionally, the authentication module includes:
Code transmission unit is connected, for sending connection code；
Code authentication unit is connected, for verifying the correctness of the connection code；
Password request unit, for when the connection code is correct, sending connection password request；
Password return unit, for returning to connection password；
The authentication module of the server further includes cryptographic check unit, for verifying the correct of the connection password
Property.
Optionally, the information exchange module of the server includes:
Heartbeat keeps inspection unit: for sending when the knitting equipment not sent data in the first preset time
Heartbeat keeps checking signal, and checking whether the knitting equipment is in can interaction mode；
Heartbeat confirmation unit: for keeping institute after receiving the heartbeat hold acknowledge signal that the knitting equipment is replied
State the connection between knitting equipment and server；If the heartbeat is kept after checking that signal is sent, do not connect in the second preset time
When receiving the heartbeat hold acknowledge signal that the knitting equipment is replied, the server sends the heartbeat again and keeps inspection
Look into signal；If the server transmission heartbeat keeps checking that signal number has reached preset times, institute is not received yet
Heartbeat hold acknowledge signal is stated, the server disconnects the connection with the knitting equipment.
A kind of knitting equipment conversation managing method Internet-based provided by the invention and system, by session request,
The laggard row information of authentication is interactive, after the completion of information exchange, disconnects.Between server and knitting equipment using request/
The information exchange mode of response, realization server and knitting equipment are reliably connected, and can be reached by the active control of server
To the control management remotely to knitting equipment, the difficulty of management is simplified, is improved work efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the knitting equipment conversation managing method flow chart Internet-based of one embodiment of the invention；
Fig. 2 is the knitting equipment conversation managing method flow chart Internet-based of another embodiment of the present invention；
Fig. 3 is the knitting equipment conversation management system schematic block diagram Internet-based of one embodiment of the invention.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of knitting equipment conversation managing method Internet-based is applied to knitting equipment conversation management system, the needle
Knitting equipment session management system includes server and knitting equipment, when server and knitting equipment need to conversate, is executed
The knitting equipment conversation managing method Internet-based, this method are specifically as shown in Figure 1, comprising the following steps:
S11, session request: knitting equipment or server initiation or response session request；Specifically, if knitting equipment is sent
Session request, the then corresponding session request of server；Conversely, the corresponding session of knitting equipment is asked if server sends session request
It asks.
S12, authentication: after session request success in step S11, the authentication of knitting equipment is carried out；
S13, information exchange: after authentication success in step S12, knitting equipment and server carry out information exchange；
Step S14, disconnect: knitting equipment or server initiate or respond to disconnect request.Knitting equipment and server
It actively initiates to disconnect request, when knitting equipment actively initiates to disconnect request, server response disconnects request；Conversely, when service
When device actively initiates to disconnect request, knitting equipment response disconnects request.After connection between the two disconnects, conversation end.It is whole
In a conversation procedure, request/response information exchange mode, i.e. question-response side are used between server and knitting equipment completely
Formula is interacted using one-to-one function code.Server can actively initiate a session request with knitting equipment, responder
According to the actual situation, response is carried out.If allowing, in next step；If refusal, conversation end；
Further, in one embodiment, authentication S12 the following steps are included:
Requesting party sends connection code；
Responder verifies the correctness of the connection code；
If correct, the requesting party sends connection password request；
The responder returns to connection password；
The server verifies the correctness of the connection password.
In the present embodiment, after session request allows, authentication is carried out.Authentication herein is two-way authentication, the first step
Requesting party sends connection code, goes the correctness of verification connection code to carry out next step certification if allowing by responder；If not permitting
Xu Ze stops session management, terminates session.Authentication second step requesting party sends connection password request, and responder returns to connection
Password is gone the correctness of verification connection password by server, if correctly, it is formal to open session, carry out information exchange；If wrong
Accidentally, then stop session management, terminate session.Server and knitting equipment can both be used as requesting party, also square in response.Service
Device and knitting equipment can actively initiate cipher authentication, and responder according to the actual situation, carries out response.If authenticate successfully, into
Row next step information exchange；If unsuccessful, conversation end.
Further, in one embodiment, step S13 information exchange includes: that knitting equipment sends proprietary protocol data
Frame.In the present embodiment, server responds the proprietary protocol data frame that knitting equipment is sent.Knitting equipment sends privately owned association
During discussing data frame, if the function code mistake that the knitting equipment is sent, server recovery function mistake；If knitting is set
The parameter and set information mistake that preparation is sent, server reply parameter mistake；If server receives proprietary protocol data frame
When the data frame actual length that data frame physical length and knitting equipment report is inconsistent, server replys error in data.Wherein,
It may be to be made by situations such as packet splicing, packet loss, incorrect report length that data frame physical length is inconsistent with data frame actual length
At.The instruction that knitting equipment is sent can also add the parameter that instructs head, need to pass in addition to function code.
Further, information exchange can also include indentification protocol version in step S13；The indentification protocol version include with
Lower step:
Protocol version is sent, verifies whether the protocol version is latest edition, if it is not, then carrying out version updating.It needs
Bright, after starting session, both sides can active transmission protocol version, it is determined whether is latest edition, if it is not, then carrying out more
Newly.
Further, as shown in Fig. 2, information exchange may include heartbeat inspecting S131 in step S13.The heartbeat inspecting packet
Include following steps:
When knitting equipment not sent data in the first preset time, server heartbeat keeps checking signal, checks needle
Knitting whether equipment be in can interaction mode；If knitting equipment has replied heartbeat hold acknowledge signal, prove at the knitting equipment
In can interaction mode, keep the connection between the knitting equipment and server；If heartbeat is kept after checking that signal is sent, knitting
Equipment does not reply heartbeat hold acknowledge signal in the second preset time, then server sends the heartbeat again and keeps checking letter
Number；If server transmission heartbeat keeps checking that signal number has reached preset times, heartbeat is not received yet and keeps confirmation letter
Number, then prove, the knitting equipment be in can not interaction mode, server disconnect with the connection of knitting equipment, kick out of the knitting and set
It is standby.Wherein the first preset time, the second preset time and preset times can be set by experiment and knitting requirements, and
The accurate of knitting equipment heartbeat judgement can be improved by the setting of the first preset time, the second preset time and preset times
Property.
Further, in one embodiment, it includes open command that step S14, which disconnects request,.After starting session, knitting is set
Standby and server can active transmission open command, safely disconnected.
Knitting equipment conversation managing method Internet-based provided by the invention, long-range control are suitable with method for managing system
Server is actively initiated, and achievees the purpose that server is managed automated system on knitting equipment；Server is set with knitting
Request/response information exchange mode is used between standby；The first step, server initiate session management, if allowing, then are remotely controlled
System and system administration；If refusal, closes session；After allowing session, server can be transmitted system and open/deactivate information, control needle
Knit whether equipment enables；After allowing session, system upgrade information, the upgrading of active control management system is can be transmitted in server；Permit
Perhaps after session, the case where server can be transmitted system time synchronization information, and preventing portion timesharing area malfunctions.The present invention passes through server
Active control, reach the control management remotely to knitting equipment, simplify the difficulty of management, improve work efficiency.
Based on above-mentioned knitting equipment conversation managing method, the present invention also provides a kind of knitting equipment meetings Internet-based
Session management, as shown in figure 3, the system includes server 1 and knitting equipment 2；
Knitting equipment 2 and server 1 include session request module 21,11, for initiation or response session request；
Knitting equipment 2 and server 1 include authentication module 22,12, for being knitted after session request success
The authentication of equipment 2；
Knitting equipment 2 and server 1 include information exchange module 23,13, for carrying out information after authentication success
Interaction；
Knitting equipment 2 and server 1 include disconnecting module 24,14, disconnect request for initiating or responding.
It should be noted that in the present embodiment, session request module 21, the authentication module 22, information of knitting equipment 2
Interactive module 23 and the session request module 11, authentication module 12, information exchange mould for disconnecting module 24 and server 1
Block 13 is identical with 14 functional purpose of module is disconnected, but implementation can be different.
Further, authentication module 12,22 includes:
Code transmission unit is connected, for sending connection code；
Code authentication unit is connected, for verifying the correctness of the connection code；
Password request unit, for when the connection code is correct, sending connection password request；
Password return unit, for returning to connection password；
Particularly, the authentication module 12 of server 1 further includes cryptographic check unit, for verifying the connection password
Correctness.
Further, the information exchange module 13 of server 1 includes:
Heartbeat keeps inspection unit: for sending heartbeat when the not sent data in the first preset time of knitting equipment 2
It keeps checking signal, checks the knitting equipment 2 whether in can interaction mode；
Heartbeat confirmation unit: for keeping knitting to set after receiving the heartbeat hold acknowledge signal of the reply of knitting equipment 2
Connection between standby 2 and server 1；If heartbeat is kept after checking that signal is sent, knitting is not received in the second preset time and is set
When the heartbeat hold acknowledge signal of standby 2 reply, server 1 sends heartbeat again and keeps checking signal；If server 1 sends heartbeat
When keeping checking that signal number has reached preset times, heartbeat hold acknowledge signal is not received yet, server 1 disconnects and knitting
The connection of equipment 2.
According to above-mentioned conversation managing method, the embodiment of the invention also provides a kind of knitting equipment data Internet-based
Monitoring method is applied to knitting equipment data monitoring system, which includes that server and knitting are set
It is standby.The data monitoring method the following steps are included:
Initiate session management；Specifically, server initiates session management；
Send data monitoring request；Server and knitting equipment conversate admin-authentication, if session management is allowed to,
Server sends data monitoring request；
Return to monitoring data；Specifically, knitting equipment returns to monitoring data according to the data monitoring request in previous step
To server.
In the present embodiment, data monitoring method is actively initiated by server, achievees the purpose that actively monitoring.Whole process
In, request/response information exchange mode, i.e. question-response mode are used between server and knitting equipment, use one-to-one correspondence
Function code interact.Instruction can also add the parameter that instructs head, need to pass in addition to function code；Proprietary protocol is each
The unique parameter codes of parameter setting, including type of alarm.
Further, data monitoring request is looked into including real-time parameter inquiry request, history parameters inquiry request, real-time status
Ask one of request, historic state inquiry request and alarm inquiry request or a variety of.Corresponding, monitoring data include joining in real time
One of number data, historical parameter data, real-time status data, historical state data and alert data are a variety of.At one
In embodiment, data monitoring request includes parameter query request, history parameters inquiry request, real-time status inquiry request, history
Status query request and the totally 5 kinds of data monitoring requests of alarm inquiry request.When knitting equipment receives 5 kinds of data monitoring requests
Afterwards, the monitoring data of return include real-time parameter data, historical parameter data, real-time status data, historical state data and report
Warn data totally 5 kinds of monitoring data.The first step, server initiate session management, if allowing, then carry out data monitoring；If refusal,
Close session.After allowing session, server side can initiate parameter query.Parameter query includes real-time parameter inquiry, history parameters
Inquiry.Accurately to obtain, when real-time parameter is inquired, server will additionally send the parameter codes that need to be inquired.History parameters inquiry
When, server wants additional parameter codes sending time stamp and need to inquired.
After allowing session, server can initiate status inquiry.Status inquiry includes that real-time status is inquired, historic state is looked into
It askes.When real-time status is inquired, server is sent without additional.When historic state is inquired, server wants additional sending time to stab.
After allowing session, server can initiate alarm inquiry, and server needs additional sending time stamp at this time.
After knitting equipment receives inquiry instruction, corresponding data is returned.
In order to be accurately obtained corresponding parameter, proprietary protocol is different data monitoring request and monitoring data setting
Different parameter codes.Such as the corresponding different parameter codes such as style parameter, color parameter, and it is unique.
Further, in one embodiment, to further increase data reliability, session management verifying is asked including session
Ask verifying and authentication.Wherein, session request verifying may include: that server initiates a session request.Further, the body
Part certification the following steps are included:
Server sends connection code；
Knitting equipment verifies the correctness of the connection code；
If correct, server sends connection password request；
Knitting equipment returns to connection password；
Server verifies the correctness of the connection password.
In the present embodiment, after session request and authentication all pass through, data monitoring can be carried out.Pass through session request
With the multiple guarantee of authentication, the reliability and authenticity of data are improved, data can be prevented stolen.
Knitting equipment data monitoring method Internet-based provided by the invention, data monitoring are actively sent out by server
It rises, achievees the purpose that actively monitoring；Request/response information exchange mode is used between server and knitting equipment completely；It is privately owned
It should be the unique parameter codes of each parameter setting, including type of alarm in agreement；The first step, server initiate session
Management if allowing, then carries out data monitoring；If refusal, closes session；After allowing session, server can initiate parameter query.
Parameter query includes real-time parameter inquiry, history parameters inquiry；After allowing session, server can initiate status inquiry.State is looked into
Ask includes real-time status inquiry, historic state inquiry；After allowing session, server can initiate alarm inquiry.The present invention utilizes can
Science, the Modular Data monitoring method of specification of height customization, solve the situation of knitting equipment reporting parameters confusion, from
And the difficulty of data acquisition is substantially increased, push automatic management.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form；All current rows
The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents
The equivalent variations of variation, modification and evolution is equivalent embodiment of the invention；Meanwhile all substantial technologicals according to the present invention
The variation, modification and evolution etc. of any equivalent variations to the above embodiments, still fall within technical solution of the present invention
Within protection scope.
Claims (10)
1. a kind of knitting equipment conversation managing method Internet-based, which is characterized in that be applied to knitting equipment session management
System, the knitting equipment conversation management system include server and knitting equipment, and the conversation managing method includes following step
It is rapid:
The knitting equipment or the server are initiated or response session request；
After session request success, the authentication of the knitting equipment is carried out；
After authentication success, the knitting equipment and the server carry out information exchange；
The knitting equipment or the server are initiated or response disconnects request.
2. a kind of knitting equipment conversation managing method Internet-based as described in claim 1, which is characterized in that the body
Part certification the following steps are included:
Requesting party sends connection code；
Responder verifies the correctness of the connection code；
If correct, the requesting party sends connection password request；
The responder returns to connection password；
The server verifies the correctness of the connection password.
3. a kind of knitting equipment conversation managing method Internet-based as described in claim 1, which is characterized in that the letter
Ceasing interaction includes:
The knitting equipment sends proprietary protocol data frame.
4. a kind of knitting equipment conversation managing method Internet-based as claimed in claim 3, which is characterized in that the needle
During knitting equipment transmission proprietary protocol data frame, if the function code mistake that the knitting equipment is sent, the server
Recovery function mistake；If parameter and set information mistake that the knitting equipment is sent, the server reply parameter mistake；If
The data frame that the server receives the data frame physical length of the proprietary protocol data frame and the knitting equipment reports
When actual length is inconsistent, the server replys error in data.
5. a kind of knitting equipment conversation managing method Internet-based as described in claim 1, which is characterized in that the letter
Breath interaction includes indentification protocol version；The indentification protocol version comprising steps of
Protocol version is sent, verifies whether the protocol version is latest edition, if it is not, then carrying out version updating.
6. a kind of knitting equipment conversation managing method Internet-based as described in claim 1, which is characterized in that the letter
Breath interaction include heartbeat inspecting, the heartbeat inspecting the following steps are included:
When the knitting equipment not sent data in the first preset time, server sends heartbeat and keeps checking signal, inspection
Looking into whether the knitting equipment be in can interaction mode；If the knitting equipment has replied heartbeat hold acknowledge signal, keep
Connection between the knitting equipment and server；If the heartbeat is kept after checking that signal is sent, the knitting equipment is the
Two preset times do not reply the heartbeat hold acknowledge signal, then the server sends the heartbeat again and keeps checking letter
Number；If the server transmission heartbeat keeps checking that signal number has reached preset times, the heart is not received yet
Hold acknowledge signal is jumped, the server disconnects the connection with the knitting equipment.
7. a kind of knitting equipment conversation managing method Internet-based as described in claim 1, which is characterized in that described disconnected
Opening request includes open command.
8. a kind of knitting equipment conversation management system Internet-based, which is characterized in that including server and knitting equipment；
The knitting equipment and the server include session request module, for initiation or response session request；
The knitting equipment and the server include authentication module, for carrying out the needle after session request success
Knit the authentication of equipment；
The knitting equipment and the server include information exchange module, for carrying out information friendship after authentication success
Mutually；
The knitting equipment and the server include disconnecting module, disconnect request for initiating or responding.
9. a kind of knitting equipment conversation management system Internet-based as claimed in claim 8, which is characterized in that the body
Part authentication module includes:
Code transmission unit is connected, for sending connection code；
Code authentication unit is connected, for verifying the correctness of the connection code；
Password request unit, for when the connection code is correct, sending connection password request；
Password return unit, for returning to connection password；
The authentication module of the server further includes cryptographic check unit, for verifying the correctness of the connection password.
10. a kind of knitting equipment conversation management system Internet-based as claimed in claim 9, which is characterized in that described
The information exchange module of server includes:
Heartbeat keeps inspection unit: for sending heartbeat when the knitting equipment not sent data in the first preset time
It keeps checking signal, checking whether the knitting equipment is in can interaction mode；
Heartbeat confirmation unit: for keeping the needle after receiving the heartbeat hold acknowledge signal that the knitting equipment is replied
Knit the connection between equipment and server；If the heartbeat is kept after checking that signal is sent, do not received in the second preset time
When the heartbeat hold acknowledge signal that the knitting equipment is replied, the server sends the heartbeat again and keeps checking letter
Number；If the server transmission heartbeat keeps checking that signal number has reached preset times, the heart is not received yet
Hold acknowledge signal is jumped, the server disconnects the connection with the knitting equipment.
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| CN201811282236.3A CN109194694A (en) | 2018-10-30 | 2018-10-30 | A kind of knitting equipment conversation managing method Internet-based and system |
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| CN201811282236.3A CN109194694A (en) | 2018-10-30 | 2018-10-30 | A kind of knitting equipment conversation managing method Internet-based and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111291358A (en) * | 2020-03-07 | 2020-06-16 | 深圳市中天网景科技有限公司 | Authority authentication method, system, equipment and medium |
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