CN107911477A - A kind of data communications method, apparatus and system - Google Patents
A kind of data communications method, apparatus and system Download PDFInfo
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- CN107911477A CN107911477A CN201711275854.0A CN201711275854A CN107911477A CN 107911477 A CN107911477 A CN 107911477A CN 201711275854 A CN201711275854 A CN 201711275854A CN 107911477 A CN107911477 A CN 107911477A
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- 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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/566—Grouping or aggregating service requests, e.g. for unified processing
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- 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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- 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
- H04L67/14—Session management
Abstract
The present invention provides a kind of data communications method, apparatus and system, the first client in system receives object message by the first data channel from the first network element, object message is sent to server, the message theme of object message includes first flag information, and the group that first flag information includes at least the second network element identifies；The subscription that second client is received to object message by the second data channel from the second network element is asked, and will be subscribed to request and sent to server, and subscribing to request includes second identifier information, and the group that second identifier information includes at least the second network element identifies；Server receives object message, and after subscription request is received, determined by first flag information and second identifier information with subscribing to the corresponding message of request, and will be sent with subscribing to the corresponding message of request to the second client, so that the second client will be sent to the second network element with subscribing to the corresponding message of request.Burden the invention enables network element mitigates significantly and the management of network element data becomes simple.
Description
Technical field
The present invention relates to internet of things field, more particularly to a kind of data communications method, apparatus and system.
Background technology
The whole framework of Internet of Things includes many network elements, such as distributed memory system, route forwarding system, industrial equipment
Adapter, cloud platform server etc., these network elements should pay close attention to the service logic of oneself, carry out data with other network elements again
Communication, this causes the heavy load of network element, and not manageability and the maintenance of the data of network element.
The content of the invention
In view of this, the present invention provides a kind of data communications method, apparatus and system, to solve existing Internet of Things
The heavy load of network element in framework, and the data of network element not manageability and the problem of safeguard, its technical solution is as follows：
A kind of data communications method, applied to the server in data communication system, the server can be with multiple clients
End communicates, and the multiple client includes at least the first client and the second client, and the data communications method includes：
The object message of the first client transmission is received, wherein, the object message passes through for first client
The message that one data channel is received from the first network element, the message theme of the object message include first flag information, and described
The group that one identification information includes at least the second network element identifies, and the group of second network element is identified as group belonging to second network element
Mark；
The request of the subscription to the object message of the second client transmission is received, wherein, described subscribe to asks to be described
The request that second client is received by the second data channel from second network element, described subscribe to ask to include second identifier
Information, the group that the second identifier information includes at least second network element identify；
By the first flag information and the second identifier information determine with it is described subscription the corresponding message of request, and
It will be sent with the subscription corresponding message of request to second client, so that second client will be with the subscription
Corresponding message is asked to send to second network element.
Wherein, it is described by the first flag information and the second identifier information determine with it is described subscription request it is corresponding
Message, including：
If the second identifier information is the group mark of second network element and the network element ID of second network element, and institute
First flag information is stated as the group mark of second network element and the network element ID of second network element, then by the object message
It is determined as and the subscription corresponding message of request；
If the second identifier information identifies for the group of second network element, and the first flag information is described second
The group mark and the network element ID of second network element or other network elements of network element, then be determined as ordering with described by the object message
Read the corresponding message of request.
Wherein, it is described to determine to subscribe to request pair with described based on the message theme for subscribing to request and the object message
The message answered, further includes：
If the second identifier information identifies for the group of second network element, and the first flag information is described second
The group mark of network element, then based on described group of mark determine with network element included in described group of corresponding group of mark, based on described
Group mark corresponding group in each network element network element ID by the object message be extended to in described group of corresponding group of mark
The corresponding message of each network element, will extend obtained all messages and is determined as and the subscription corresponding message of request；
If the second identifier information is the group mark of second network element and the network element ID of second network element, and institute
State the group that first flag information is second network element to identify, then network element ID based on second network element is by the target report
Text is extended to message corresponding with second network element, will extend obtained message and is determined as and the subscription corresponding report of request
Text.
Wherein, the network element ID based on each network element in described group of corresponding group of mark extends the object message
Into with the corresponding message of each network element in described group of corresponding group of mark, including：
Quantity based on network element included in described group of corresponding group of mark extends object message, obtains M target report
Text, M are the quantity of network element included in described group of corresponding group of mark；
Message theme of the network element ID based on each network element in described group of corresponding group of mark to the M object message
It is extended, acquisition and the corresponding message of each network element in described group of corresponding group of mark, wherein, it is corresponding with described group of mark
The message theme of the corresponding message of each network element includes the network element ID of described group of mark and corresponding network element in group；
The object message is extended to corresponding with second network element by the network element ID based on second network element
Message, including：
Network element ID based on second network element is extended the message theme of the object message, obtain with it is described
The corresponding message of second network element, wherein, the message theme of message corresponding with second network element includes described group of mark and institute
State the network element ID of the second network element.
A kind of data communication equipment, applied to the server in data communication system, the server can be with multiple clients
End communicates, and the multiple client includes at least the first client and the second client, and the data communication equipment includes：
First receiving module, the second receiving module, determining module and sending module；
First receiving module, the object message sent for receiving the first client, wherein, the object message is
The message that first client is received by the first data channel from the first network element, the message theme of the object message include
First flag information, the group that the first flag information includes at least the second network element identify, and the group of second network element is identified as
The mark of group belonging to second network element；
Second receiving module, the request of the subscription to the object message sent for receiving the second client, its
In, the request subscribed to request and received for second client by the second data channel from second network element is described
Subscribing to request includes second identifier information, and the group that the second identifier information includes at least second network element identifies；
The determining module, for being determined and the subscription by the first flag information and the second identifier information
Ask corresponding message；
The sending module, for will be sent with the subscription corresponding message of request to second client, so that
Second client will be sent to second network element with the subscription corresponding message of request.
Wherein, the determining module includes：First determination sub-module and the second determination sub-module；
First determination sub-module, for when the second identifier information for second network element group mark and it is described
The network element ID of second network element, and the first flag information is the group mark of second network element and the net of second network element
During member mark, the object message is determined as and the subscription corresponding message of request；
Second determination sub-module, for being identified when the second identifier information for the group of second network element, and institute
When stating group mark of the first flag information for second network element with the network element ID of second network element or other network elements, by institute
Object message is stated to be determined as and the subscription corresponding message of request.
Wherein, the determining module further includes：3rd determination sub-module, first extension submodule, the 4th determination sub-module,
Second extension submodule and the 5th determination sub-module；
3rd determination sub-module, for being identified when the second identifier information for the group of second network element, and institute
When stating the group mark that first flag information is second network element, determined and described group of corresponding group of mark based on described group of mark
In included network element；
The first extension submodule, for the network element ID based on each network element in described group of corresponding group of mark by institute
Object message is stated to be extended to and the corresponding message of each network element in described group of corresponding group of mark；
4th determination sub-module, for by described first all messages for extending of extension submodule be determined as with
Described subscribe to asks corresponding message；
The second extension submodule, for being the group mark and network element of second network element when the second identifier information
Mark, and the first flag information for second network element group mark when, network element ID based on second network element will
The object message is extended to message corresponding with second network element；
5th determination sub-module, for by the described second message for extending of extension submodule be determined as with it is described
Subscribe to and ask corresponding message.
A kind of data communication system, including：Multiple client and server, the multiple client include at least the first visitor
Family end and the second client；
First client, for receiving object message from the first network element by the first data channel, by the target
Message is sent to the server, wherein, the message theme of the object message includes first flag information, the first flag
The group that information includes at least the second network element identifies, and the group of second network element is identified as the mark of group belonging to second network element；
Second client, for being received by the second data channel from second network element to the object message
Subscribe to and ask, and request transmission is subscribed to the server by described, wherein, described subscribe to asks to include second identifier letter
Breath, the group that the second identifier information includes at least second network element identify；
The server, for receiving the object message；And after the subscription request is received, by described
First flag information and the second identifier information determine to subscribe to the corresponding message of request with described, and will be asked with described subscribe to
Corresponding message is sent to second client, so that second client sends out message corresponding with the subscription request
Send to second network element.
Wherein, the server determines to ask with the subscription by the first flag information and the second identifier information
Corresponding message is sought, is specifically used for：
When the second identifier information organizes mark and the network element ID of second network element, and institute for second network element
When stating the group mark and the network element ID of second network element that first flag information is second network element, by the object message
It is determined as and the subscription corresponding message of request；
When the group mark that the second identifier information is second network element, and the first flag information is described second
During the network element ID of the group mark of network element and second network element or other network elements, then by the object message be determined as with it is described
Subscribe to and ask corresponding message.
Wherein, the server determines to ask with the subscription by the first flag information and the second identifier information
Corresponding message is sought, is specifically additionally operable to：
When the group mark that the second identifier information is second network element, and the first flag information is described second
During the group mark of network element, based on described group of mark determine with network element included in described group of corresponding group of mark, based on described
Group mark corresponding group in each network element network element ID by the object message be extended to in described group of corresponding group of mark
The corresponding message of each network element, will extend obtained all messages and is determined as and the subscription corresponding message of request；
When the second identifier information organizes mark and the network element ID of second network element, and institute for second network element
When stating the group mark that first flag information is second network element, the network element ID based on second network element is by the target report
Text is extended to message corresponding with second network element, will extend obtained message and is determined as and the subscription corresponding report of request
Text
Above-mentioned technical proposal has the advantages that：
Data communications method provided by the invention, apparatus and system can realize the data communication between network element, this causes,
Network element is only needed to pay close attention to the service logic of oneself and how interacted with data communication system, remaining data storage management
Data communication between network element is completed by data communication system, this causes the burden of network element to mitigate significantly, and NE No.
According to management become simple.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structure diagram of data communication system provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of an instantiation of data communication system provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of data communications method provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of data communication equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
An embodiment of the present invention provides a kind of data communication system, referring to Fig. 1, showing the knot of the data communication system
Structure schematic diagram, the system can include：Multiple client and server 101.Wherein, multiple client includes at least the first client
End 102 and second client 103, each client is corresponding with a network element, and client can be by data channel to corresponding net
Member sends data, also can receive data from corresponding network element by data pipe, wherein, data pipe can be cache number
According to the queue in storehouse.
First client 102, for receiving object message from the first network element by the first data channel 104.
Wherein, object message is the message that the first client is received from the first network element, and the message theme of object message includes
First flag information, the group that first flag information includes at least the second network element identify, and the group of the second network element is identified as the second network element
Affiliated group of mark, the first network element can be the network element in Internet of Things framework, and the second network element is also one in Internet of Things framework
Network element, also, the second network element is the network element with the first network element into row data communication.In a kind of possible implementation, target
Message is mqtt messages, i.e., between network element and client, client and server the transmission of data follow mqtt agreements, mqtt associations
View is that the data transmission efficiency based on mqtt agreements is than based on http agreements based on tcp layers of a baby networking protocol
Data transmission efficiency is high.
Exemplarily, it is respectively management system such as BOSS systems, the first storage system and the second storage system to have three network elements
System, BOSS systems can manage the first storage system and the second storage system, due to the first storage system and the second storage system
Type is identical, and has many same characteristic features, therefore, the two storage systems can be classified as to one group, and is identified for its configuration group, removes
Configuration group mark is outer, it is also necessary to be each network element configuration network element ID, is, for example, BOSS system configuration BOSS_ID, for first
Storage system configuration S1_ID, is the second storage system configuration S2_ID.
It should be noted that first flag information has two kinds of possible situations in the message theme of object message, in one kind
In the case of possible, first flag information identifies for the group of the second network element, and exemplarily, the group of the second network element is identified as
GroupS_ID, the form that the group of the second network element is identified in message theme can be GroupS_ID/#, wherein, # is asterisk wildcard.
In the case of alternatively possible, first flag information is identified for the group of the second network element and the network element ID of the second network element, example
Property, the group of the second network element is identified as GroupS_ID, and the network element ID of the second network element is S2_ID, the group of the second network element mark and
Form of the network element ID of second network element in message theme can be GroupS_ID/S2_ID.
Second client 103, the subscription for being received by the second data channel 105 from the second network element to object message please
Ask.
Wherein, subscribing to request includes second identifier information, and the group that second identifier information includes at least the second network element identifies.
It should be noted that subscribing to second identifier information in request has two kinds of possible situations, in a kind of possible situation
In, second identifier information identifies for the group of the second network element, and exemplarily, the group of the second network element is identified as GroupS_ID, the second net
Form of the group mark of member in message theme can be GroupS_ID/#, wherein, # is asterisk wildcard.In alternatively possible feelings
In condition, second identifier information is the group mark of the second network element and the network element ID of the second network element, exemplarily, the group of the second network element
GroupS_ID is identified as, the network element ID of the second network element is S2_ID, the group mark of the second network element and the network element mark of the second network element
The form known in message theme can be GroupS_ID/S2_ID.
Server 102, for receiving object message from the first client 102；And from the second client 103 receive pair
The subscription request of object message, and after subscription request is received, determined by first flag information and second identifier information
With subscribing to the corresponding message of request, and it will be sent with subscribing to the corresponding message of request to the second client 103, so that the second client
End 103 will be sent to the second network element with subscribing to the corresponding message of request.
Server 102 is determined with subscribing to the corresponding message of request by first flag information and second identifier information below
Realize that process illustrates：
Server 102 determines the realization with subscribing to the corresponding message of request by first flag information and second identifier information
Process includes four kinds of possible situations：
The first possible situation：First flag information in the message theme of object message identifies for the group of the second network element
With the network element ID of the second network element, also, the second identifier information that message is subscribed in request is the group mark of the second network element and the
The network element ID of two network elements, at this time, object message is determined as with subscribing to the corresponding message of request.
Exemplarily, the first flag information in the message theme of object message (shows first for GroupS_ID/S2_ID
Network element is want object message being sent to the corresponding network elements of S2_ID in corresponding group of GroupS_ID), subscribe to the second mark in request
Knowledge information is GroupS_ID/S2_ID (show that the second network element only receives and be sent to the message of oneself), and object message is with ordering
Read the corresponding message of request, i.e. object message is directly sent the second client corresponding to the second network element, the second visitor by server
Family end is sent object message to the second network element by the second data channel.
Second of possible situation：First flag information in message theme is the group mark of the second network element and the second network element
Or the network element ID of other network elements, also, the second identifier information that message is subscribed in request identifies for the group of the second network element, this
When, object message is determined as and the corresponding message of ordered request.
Exemplarily, the first flag information in the message theme of object message (shows first for GroupS_ID/S2_ID
Network element is want object message being sent to the corresponding network elements of S2_ID in corresponding group of GroupS_ID), the subscription request of the second network element
In second identifier information be GroupS_ID/# (showing that the second network element receives theme and includes the message of GroupS_ID), this
When, object message is with subscribing to the corresponding message of request, i.e. and server directly sends object message to the second client,
Second client is sent object message to the second network element by the second data channel.
The third possible situation：First flag information in the message theme of object message is the group mark of the second network element
Know, also, subscribe to the second identifier information in request and identified for the group of the second network element, at this time, server is based on group mark and determines
With network element included in group corresponding group of mark, the network element ID based on each network element in group corresponding group of mark is by target report
Text be extended to the corresponding message of each network element in corresponding group of mark of group, all messages that extension obtains are determined as and subscribed to
Ask corresponding message.
Wherein, object message is extended to and group by network element ID of the server based on each network element in group corresponding group of mark
Identifying the process of the corresponding message of each network element in corresponding group can include：Server is based on being wrapped in corresponding group of group mark
The quantity extension object message of the network element included, obtains M object message, and M is network element included in corresponding group of group mark
Quantity；Network element ID based on each network element in group corresponding group of mark is extended the message theme of M object message, obtains
With the corresponding message of each network element in group corresponding group of mark, wherein, it is corresponding with each network element in group corresponding group of mark
The message theme of message includes the network element ID of group mark and corresponding network element.
Exemplarily, the first flag information in the message theme of object message (shows the first network element for GroupS_ID/#
Want for object message to be sent to network element all in corresponding group of GroupS_ID), the second mark in the subscription request of the second network element
Knowledge information is GroupS_ID/# (showing that the second network element receives theme and includes the message of GroupS_ID), it is assumed that GroupS_ID
Included network element is two in corresponding group, and the network element ID of network element is respectively S2_ID, S3_ID, then server needs at this time
Object message is extended to two messages, also, by the message theme of two messages expand to respectively GroupS_ID/S2_ID and
GroupS_ID/S3_ID, is then GroupS_ID/S2_ID by message theme and two messages of GroupS_ID/S3_ID are sent out
Send to the second client, the second client and the two messages are sent by network element corresponding to S2_ID by the second data channel, it is false
If the corresponding network elements of S3_ID also have subscribed GroupS_ID/#, then message theme also can be by server by corresponding client
Two messages of GroupS_ID/S2_ID and GroupS_ID/S3_ID send network element corresponding to S3_ID.
4th kind of possible situation：First flag information in the message theme of object message is the group mark of the second network element
Know, also, subscribe to the second identifier information in request as the group mark of the second network element and the network element ID of the second network element, then at this time
Object message is extended to message corresponding with the second network element by network element ID of the server based on the second network element, will extend what is obtained
Message is determined as with subscribing to the corresponding message of request.
Wherein, object message is extended to message corresponding with the second network element by network element ID of the server based on the second network element
Process can include：Network element ID based on the second network element is extended the message theme of object message, obtains and second
The corresponding message of network element, wherein, the message theme of message corresponding with the second network element includes the network element of group mark and the second network element
Mark.
Exemplarily, the first flag information in the message theme of object message (shows the first network element for GroupS_ID/#
Want for object message to be sent to network element all in corresponding group of GroupS_ID), the second mark in the subscription request of the second network element
Knowledge information is GroupS_ID/S2_ID (show that the second network element only receives and be sent to the message of oneself), and at this time, server is by target
Then the message topic expansion of message sends the message that message theme is GroupS_ID/S2_ID into GroupS_ID/S2_ID
To the second client, the second client is again sent the message of GroupS_ID/S2_ID to the second net by the second data channel
Member.
In addition, it is necessary to explanation, when increasing network element newly in group corresponding group of mark, it is only necessary to increase network element institute newly according to this
The information for needing to obtain increases the corresponding client of network element newly to this and sends subscription request, for example, newly-increased network element is wanted to obtain
Its other network elements in the group message, then only need to send the subscription comprising GroupS_ID/# to corresponding client and ask
.
Data communication system provided in an embodiment of the present invention can realize the data communication between network element, this causes, network element
Only need to pay close attention to the service logic of oneself and how to be interacted with data communication system, remaining data storage management and net
Data communication between member is completed by data communication system, this causes the burden of network element to mitigate significantly, and network element data
Management becomes simple.
The data communication system provided below by an instantiation the embodiments of the present invention realizes number between network element
Illustrated according to the process of communication：
Referring to Fig. 2, showing the structure diagram of an instantiation of data communication system, which can
With including：Server 201, the first client 2021, the second client 2022 and the 3rd client 2023, wherein, the first client
The 2021, second client 2022 and the 3rd client 2023 is held to establish and communicate to connect with server 201 respectively, also, first
Client 2021 can carry out data interaction by the first data channel 2031 and BOSS systems, and the second client 2022 can be by the
Two data channel 2032 and the first storage system carry out data interaction, and the 3rd client 2023 can pass through triple data path 2033
Data interaction is carried out with the second storage system.
First storage system and the second storage system belong to one group, and the group of the group is identified as BOSS_ID, BOSS systems,
One storage system and the second storage system have the mark of oneself respectively, and specific BOSS systems are identified as BOSS_ID, and first deposits
Storage system is identified as S1_ID, and the second storage system is identified as S2_ID.
Assuming that BOSS systems, which are wanted to store to the first storage system, sends message, then BOSS systems pass through the first data channel
2031 send the object message that message theme is GroupS_ID/S1_ID to the first client 2021, and the first client 2021 connects
After receiving object message, object message is sent to server 201, server 201 and stores the object message.When server 201
Receive the second client 2022 transmission including GroupS_ID/S1_ID subscription request (this please read request by first store
System is sent to the second client 2022 by the second data channel 2032) when, it is GroupS_ID/S1_ID's by message theme
Object message sends to the second client 2022, the second client 2022 and is sent object message by the second data channel 2032
To the first storage system.The above process realizes the One-to-one communication between network element.
Assuming that BOSS systems are wanted to send message to storage system all in corresponding group of GroupS_ID, then BOSS systems
System sends the object message that message theme is GroupS_ID/# by the first data channel 2031 to the first client 2021, the
After one client 2021 receives object message, object message is sent to server 201, server 201 and stores the target report
Text.The subscription including GroupS_ID/# that the transmission of the second client 2022 is received when server 201 asks that (this please read request
Sent by the first storage system by the second data channel 2032 to the second client 2022) when, server 201 can be by target report
It is GroupS_ID/S1_ID and two messages of GroupS_ID/S2_ID that text, which expands to message theme, is then by message theme
Two messages of GroupS_ID/S1_ID and GroupS_ID/S2_ID are sent to the second client 2022, the second client 2022
The two messages are sent to the first storage system by the second data channel 2032.Similarly, if server 201 receives
(this, which please read, asks by the second storage system by for the request of the subscription including GroupS_ID/# that 3rd client 2023 is sent
Triple data path 2033 is sent to the 3rd client 2023), then message theme also can be GroupS_ID/S1_ by server 201
Two messages of ID and GroupS_ID/S2_ID, which are sent to the 3rd client 2023, the 3rd client 2023, passes through the 3rd data
Passage 2033 sends the two messages to the second storage system.The above process realizes the one-to-many communication between network element.
Assuming that increasing one the 3rd storage system in corresponding group of GroupS_ID newly, the 4th client is increased in data communication system newly
End 2024, the 4th client 2024 can carry out data interaction by the 4th data channel 2034 and the 3rd storage system.Assuming that the
Three storage systems are wanted to obtain the message of the first storage system and the second storage system, then only need by the 4th data channel
2034 send the subscription request for including GroupS_ID/# to the 4th client 2024, and the 4th client 2024 will can include
The subscription request of GroupS_ID/# is sent to server 201, and server 201 receives the subscription request including GroupS_ID/#
Afterwards, all messages that message theme can be included to GroupS_ID are sent to the 4th client 2024, the 4th client 2024
The message that message theme is included to GroupS_ID by the 4th data channel 2034 is sent to the 3rd storage system.
Data communication system provided in an embodiment of the present invention can realize One-to-one communication between network element and one-to-many logical
Letter, also, data communication system provided in an embodiment of the present invention realizes that the mode of network element communication causes the net in Internet of Things framework
Member is easier to extend.
The embodiment of the present invention additionally provides a kind of data communications method, which can be applied to data communication system
Server in system, the server can communicate with multiple client, and multiple client includes at least the first client and the
Two clients, referring to Fig. 3, showing the flow diagram of the data communications method, can include：
Step S301：Receive the object message of the first client transmission.
Wherein, object message is the message that the first client is received from the first network element, and the message theme of object message includes
First flag information, the group that first flag information includes at least the second network element identify, and the group of the second network element is identified as the second network element
Affiliated group of mark, the first network element can be the network element in Internet of Things framework, and the second network element is also one in Internet of Things framework
Network element, also, the second network element is the network element with the first network element into row data communication.In a kind of possible implementation, target
Message is mqtt messages, i.e., between network element and client, client and server the transmission of data follow mqtt agreements, mqtt associations
View is that the data transmission efficiency based on mqtt agreements is than based on http agreements based on tcp layers of a baby networking protocol
Data transmission efficiency is high.
It should be noted that first flag information has two kinds of possible situations in the message theme of object message, in one kind
In the case of possible, first flag information identifies for the group of the second network element, and exemplarily, the group of the second network element is identified as
GroupS_ID, the form that the group of the second network element is identified in message theme can be GroupS_ID/#, wherein, # is asterisk wildcard.
In the case of alternatively possible, first flag information is identified for the group of the second network element and the network element ID of the second network element, example
Property, the group of the second network element is identified as GroupS_ID, and the network element ID of the second network element is S2_ID, the group of the second network element mark and
Form of the network element ID of second network element in message theme can be GroupS_ID/S2_ID.
Step S302：Receive the request of the subscription to object message of the second client transmission.
Wherein, the request that request is received for the second client by the second data channel from the second network element, the subscription are subscribed to
Request includes second identifier information, and the group that second identifier information includes at least the second network element identifies.
It should be noted that subscribing to second identifier information in request has two kinds of possible situations, in a kind of possible situation
In, second identifier information identifies for the group of the second network element, and exemplarily, the group of the second network element is identified as GroupS_ID, the second net
Form of the group mark of member in message theme can be GroupS_ID/#, wherein, # is asterisk wildcard.In alternatively possible feelings
In condition, second identifier information is the group mark of the second network element and the network element ID of the second network element, exemplarily, the group of the second network element
GroupS_ID is identified as, the network element ID of the second network element is S2_ID, the group mark of the second network element and the network element mark of the second network element
The form known in message theme can be GroupS_ID/S2_ID.
Step S303：Determined by first flag information and second identifier information with subscribing to the corresponding message of request, and will
Sent with subscribing to the corresponding message of request to the second client, so that the second client sends message corresponding with subscribing to request
To the second network element.
Below to determining the realization with subscribing to the corresponding message of request by first flag information and second identifier information
Journey illustrates：
The first possible situation：First flag information in the message theme of object message identifies for the group of the second network element
With the network element ID of the second network element, also, message subscribe to request in second identifier information for the second network element group mark and second
The network element ID of network element, at this time, object message is determined as with subscribing to the corresponding message of request.
Second of possible situation：First flag information in message theme is the group mark of the second network element and the second network element
Or the network element ID of other network elements, also, the second identifier information that message is subscribed in request identifies for the group of the second network element, this
When, object message is determined as and the corresponding message of ordered request.
The third possible situation：First flag information in the message theme of object message is the group mark of the second network element
Know, also, subscribe to the second identifier information in request and identified for the group of the second network element, at this time, determine to mark with group based on a group mark
Know network element included in corresponding group, the network element ID based on each network element in group corresponding group of mark extends object message
Into with the corresponding message of each network element in group corresponding group of mark, obtained all messages will be extended and be determined as with subscribing to request pair
The message answered.
Wherein, object message is extended to organizing mark pair by the network element ID based on each network element in group corresponding group of mark
The process of the corresponding message of each network element can include in the group answered：Number based on network element included in group corresponding group of mark
Amount extension object message, obtains M object message, and M is the quantity of network element included in corresponding group of group mark；Based on a group mark
The network element ID for knowing each network element in corresponding group is extended the message theme of M object message, obtains and group mark pair
The corresponding message of each network element in the group answered, wherein, the message master with the corresponding message of each network element in group corresponding group of mark
Topic includes the network element ID of group mark and corresponding network element.
4th kind of possible situation：First flag information in the message theme of object message is the group mark of the second network element
Know, also, subscribe to the second identifier information in request as the group mark of the second network element and the network element ID of the second network element, at this time,
Object message is extended to message corresponding with the second network element by the network element ID based on the second network element, and the message that extension is obtained is true
It is set to subscribing to the corresponding message of request.
Wherein, object message is extended to the process of message corresponding with the second network element by the network element ID based on the second network element
It can include：Network element ID based on the second network element is extended the message theme of object message, obtains and the second network element pair
The message answered, wherein, the message theme of message corresponding with the second network element includes the network element ID of group mark and the second network element.
Data communications method provided in an embodiment of the present invention, can realize the data communication between network element, this causes, network element
Only need to pay close attention to the service logic of oneself and how to be interacted with data communication system, remaining data storage management and net
Data communication between member is completed by data communication system, this causes the burden of network element to mitigate significantly, and network element data
Management becomes simple.
Corresponding with above-mentioned data communications method, the embodiment of the present invention additionally provides a kind of data communication equipment, the device
The server in data communication system is can be applied to, which can communicate with multiple client, and multiple client is at least
Including the first client and the second client, referring to Fig. 4, showing the structure diagram of the device, can include：First connects
Receive module 401, the second receiving module 402, determining module 403 and sending module 404.Wherein：
First receiving module 401, the object message sent for receiving the first client.
Wherein, object message is the message that the first client is received from the first network element, and the message theme of object message includes
First flag information, the group that first flag information includes at least the second network element identify, and the group of the second network element is identified as the second network element
Affiliated group of mark, the first network element can be the network element in Internet of Things framework, and the second network element is also one in Internet of Things framework
Network element, also, the second network element is the network element with the first network element into row data communication.In a kind of possible implementation, target
Message is mqtt messages, i.e., between network element and client, client and server the transmission of data follow mqtt agreements, mqtt associations
View is that the data transmission efficiency based on mqtt agreements is than based on http agreements based on tcp layers of a baby networking protocol
Data transmission efficiency is high.
Second receiving module 402, the request of the subscription to object message sent for receiving the second client.
Wherein, the request that request is received for the second client by the second data channel from the second network element, the subscription are subscribed to
Request includes second identifier information, and the group that second identifier information includes at least the second network element identifies.
Determining module 403, for being determined by first flag information and second identifier information with subscribing to the corresponding report of request
Text.
Sending module 404, for will be sent with subscribing to the corresponding message of request to the second client, so that the second client
It will be sent with subscribing to the corresponding message of request to the second network element.
Data communication equipment provided in an embodiment of the present invention, can realize the data communication between network element, this causes, network element
Only need to pay close attention to the service logic of oneself and how to be interacted with data communication system, remaining data storage management and net
Data communication between member is completed by data communication system, this causes the burden of network element to mitigate significantly, and network element data
Management becomes simple.
In the data communication equipment that above-described embodiment provides, determining module 403 can include：First determination sub-module and
Two determination sub-modules.
First determination sub-module, for being the group mark of the second network element and the network element mark of the second network element when second identifier information
Know, and first flag information for the second network element group mark and the second network element network element ID when, by object message be determined as with
Subscribe to and ask corresponding message.
Second determination sub-module, for being identified when second identifier information for the group of the second network element, and first flag information is
When the group mark and the network element ID of the second network element or other network elements of the second network element, object message is determined as with subscribing to request pair
The message answered.
In the data communication equipment that above-described embodiment provides, determining module can also include：3rd determination sub-module, first
Extend submodule, the 4th determination sub-module, the second extension submodule and the 5th determination sub-module.Wherein：
3rd determination sub-module, for being identified when second identifier information for the group of the second network element, and first flag information is
During the group mark of the second network element, determined and network element included in corresponding group of mark of group based on group mark.
First extension submodule, expands object message for the network element ID based on each network element in group corresponding group of mark
Transform into and the corresponding message of each network element in corresponding group of mark of group.
Further, the first extension submodule, specifically for the number based on network element included in group corresponding group of mark
Amount extension object message, obtains M object message, and the network element ID based on each network element in group corresponding group of mark is to M mesh
The message theme of mark message is extended, and is obtained with organizing the corresponding message of each network element in corresponding group of mark, wherein, M is institute
State the quantity of network element included in group corresponding group of mark, the report with the corresponding message of each network element in group corresponding group of mark
Literary theme includes the network element ID of group mark and corresponding network element.
4th determination sub-module, all messages for the first extension submodule to be extended are determined as asking with subscribing to
Corresponding message.
Second extension submodule, for being the group mark of the second network element and the network element mark of the second network element when second identifier information
Know, and first flag information for the second network element group mark when, object message is extended to by the network element ID based on the second network element
Message corresponding with the second network element.
Further, the second extension submodule, the report specifically for the network element ID based on the second network element to object message
Literary theme is extended, and obtains message corresponding with the second network element, wherein, the message theme bag of message corresponding with the second network element
Include the network element ID of group mark and the second network element.
5th determination sub-module, the message for the second extension submodule to be extended are determined as corresponding with subscribing to request
Message.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
In several embodiments provided herein, it should be understood that disclosed method, apparatus and equipment, can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be by some communication interfaces, between device or unit
Coupling or communication connection are connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
In network unit.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.In addition, each functional unit in each embodiment of the present invention can be integrated in it is in a processing unit or each
Unit is individually physically present, can also two or more units integrate in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment the method for the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
1. a kind of data communications method, it is characterised in that applied to the server in data communication system, the server can be with
Multiple client communicates, and the multiple client includes at least the first client and the second client, the data communication
Method includes：
The object message of the first client transmission is received, wherein, the object message passes through the first number for first client
The message received according to passage from the first network element, the message theme of the object message include first flag information, first mark
Know the group mark that information includes at least the second network element, the group of second network element is identified as the mark of group belonging to second network element
Know；
The request of the subscription to the object message of the second client transmission is received, wherein, it is described to subscribe to request as described second
The request that client is received by the second data channel from second network element, described subscribe to ask to include second identifier letter
Breath, the group that the second identifier information includes at least second network element identify；
By the first flag information and the second identifier information determine with the subscription corresponding message of request, and will be with
Described subscribe to asks corresponding message to send to second client, so that second client will be asked with described subscribe to
Corresponding message is sent to second network element.
2. data communications method according to claim 1, it is characterised in that described to pass through the first flag information and institute
State second identifier information determine with it is described subscription the corresponding message of request, including：
If the second identifier information is the group mark of second network element and the network element ID of second network element, and described the
One identification information is the group mark of second network element and the network element ID of second network element, then determines the object message
To subscribe to the corresponding message of request with described；
If the second identifier information identifies for the group of second network element, and the first flag information is second network element
Group mark and second network element or other network elements network element ID, then being determined as the object message please with the subscription
Seek corresponding message.
3. data communications method according to claim 2, it is characterised in that described to subscribe to request and the mesh based on described
The message theme of mark message is determined to subscribe to the corresponding message of request with described, further included：
If the second identifier information identifies for the group of second network element, and the first flag information is second network element
Group mark, then based on described group of mark determine with network element included in described group of corresponding group of mark, based on described group of mark
Know each network element in corresponding group network element ID the object message is extended to it is each with described group of corresponding group of mark
The corresponding message of network element, will extend obtained all messages and is determined as and the subscription corresponding message of request；
If the second identifier information is the group mark of second network element and the network element ID of second network element, and described the
One identification information identifies for the group of second network element, then the network element ID based on second network element expands the object message
Message corresponding with second network element is transformed into, obtained message will be extended and be determined as and the subscription corresponding message of request.
4. data communications method according to claim 3, it is characterised in that described based on each in described group of corresponding group of mark
The network element ID of a network element by the object message be extended to the corresponding message of each network element in described group of corresponding group of mark,
Including：
Quantity based on network element included in described group of corresponding group of mark extends object message, obtains M object message, M
For the quantity of network element included in described group of corresponding group of mark；
Network element ID based on each network element in described group of corresponding group of mark carries out the message theme of the M object message
Extension, obtains and the corresponding message of each network element in described group of corresponding group of mark, wherein, and in described group of corresponding group of mark
The message theme of the corresponding message of each network element includes the network element ID of described group of mark and corresponding network element；
The object message is extended to report corresponding with second network element by the network element ID based on second network element
Text, including：
Network element ID based on second network element is extended the message theme of the object message, obtains and described second
The corresponding message of network element, wherein, the message theme of message corresponding with second network element includes described group of mark and described the
The network element ID of two network elements.
5. a kind of data communication equipment, it is characterised in that applied to the server in data communication system, the server can be with
Multiple client communicates, and the multiple client includes at least the first client and the second client, the data communication
Device includes：First receiving module, the second receiving module, determining module and sending module；
First receiving module, the object message sent for receiving the first client, wherein, the object message is described
The message that first client is received by the first data channel from the first network element, the message theme of the object message include first
Identification information, the group that the first flag information includes at least the second network element identify, and the group of second network element is identified as described
The mark of group belonging to second network element；
Second receiving module, the request of the subscription to the object message sent for receiving the second client, wherein, institute
State and subscribe to the request that request is received for second client by the second data channel from second network element, the subscription please
Asking includes second identifier information, and the group that the second identifier information includes at least second network element identifies；
The determining module, for determining to ask with described subscribe to by the first flag information and the second identifier information
Corresponding message；
The sending module, for will be sent with the subscription corresponding message of request to second client, so that described
Second client will be sent to second network element with the subscription corresponding message of request.
6. data communication equipment according to claim 5, it is characterised in that the determining module includes：First determines son
Module and the second determination sub-module；
First determination sub-module, for being the group mark of second network element and described second when the second identifier information
The network element ID of network element, and the first flag information is the group mark of second network element and the network element mark of second network element
During knowledge, the object message is determined as and the subscription corresponding message of request；
Second determination sub-module, for being identified when the second identifier information for the group of second network element, and described the
When one identification information identifies the network element ID with second network element or other network elements for the group of second network element, by the mesh
Mark message is determined as and the subscription corresponding message of request.
7. data communication equipment according to claim 6, it is characterised in that the determining module further includes：3rd determines
Submodule, the first extension submodule, the 4th determination sub-module, the second extension submodule and the 5th determination sub-module；
3rd determination sub-module, for being identified when the second identifier information for the group of second network element, and described the
When one identification information identifies for the group of second network element, determined and institute in described group of corresponding group of mark based on described group of mark
Including network element；
The first extension submodule, for the network element ID based on each network element in described group of corresponding group of mark by the mesh
Mark message is extended to and the corresponding message of each network element in described group of corresponding group of mark；
4th determination sub-module, for by described first all messages for extending of extension submodule be determined as with it is described
Subscribe to and ask corresponding message；
The second extension submodule, for being the group mark and network element mark of second network element when the second identifier information
Know, and the first flag information for second network element group mark when, the network element ID based on second network element is by institute
State object message and be extended to message corresponding with second network element；
5th determination sub-module, the message for the described second extension submodule to be extended are determined as and the subscription
Ask corresponding message.
A kind of 8. data communication system, it is characterised in that including：Multiple client and server, the multiple client is at least
Including the first client and the second client；
First client, for receiving object message from the first network element by the first data channel, by the object message
Send to the server, wherein, the message theme of the object message includes first flag information, the first flag information
Identified including at least the group of the second network element, the group of second network element is identified as the mark of group belonging to second network element；
Second client, for receiving the subscription to the object message from second network element by the second data channel
Request, and request transmission is subscribed to the server by described, wherein, the subscription request includes second identifier information, institute
The group that second identifier information is stated including at least second network element identifies；
The server, for receiving the object message；And after the subscription request is received, pass through described first
Identification information and the second identifier information determine with it is described subscription the corresponding message of request, and will with it is described subscribe to request it is corresponding
Message send to second client so that second client will with it is described subscription the corresponding message of request send to
Second network element.
9. data communication system according to claim 8, it is characterised in that the server is believed by the first flag
Breath and the second identifier information are determined to subscribe to the corresponding message of request with described, are specifically used for：
When the second identifier information is the group mark of second network element and the network element ID of second network element, and described the
When one identification information identifies the network element ID with second network element for the group of second network element, the object message is determined
To subscribe to the corresponding message of request with described；
When the group mark that the second identifier information is second network element, and the first flag information is second network element
Group mark and second network element or other network elements network element ID when, then the object message is determined as and the subscription
Ask corresponding message.
10. data communication system according to claim 9, it is characterised in that the server passes through the first flag
Information and the second identifier information are determined to subscribe to the corresponding message of request with described, are specifically additionally operable to：
When the group mark that the second identifier information is second network element, and the first flag information is second network element
Group mark when, based on described group of mark determine with network element included in described group of corresponding group of mark, based on described group of mark
Know each network element in corresponding group network element ID the object message is extended to it is each with described group of corresponding group of mark
The corresponding message of network element, will extend obtained all messages and is determined as and the subscription corresponding message of request；
When the second identifier information is the group mark of second network element and the network element ID of second network element, and described the
When one identification information identifies for the group of second network element, the network element ID based on second network element expands the object message
Message corresponding with second network element is transformed into, obtained message will be extended and be determined as and the subscription corresponding message of request.
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