CN106656751A - Data communication method and device - Google Patents
Data communication method and device Download PDFInfo
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- CN106656751A CN106656751A CN201611104372.4A CN201611104372A CN106656751A CN 106656751 A CN106656751 A CN 106656751A CN 201611104372 A CN201611104372 A CN 201611104372A CN 106656751 A CN106656751 A CN 106656751A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
-
- 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
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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
- H04L67/55—Push-based network services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a data communication method and device. The method includes that a server configures corresponding subject information corresponding to the type of sent messages; the server configures a data type format according to sent content, wherein the data type format includes the subject information; the server performs packaging according to the data type format on to-be-sent data and sends the packaged data to a mobile terminal according to an MQTT protocol; the mobile terminal receives the data and obtains a corresponding analysis password according to the data type format for analyzing the data. Therefore, through subject standard and content standard and utilizing a characteristic of one and only delivery, a message is obtained through analysis after complete implementation of the MQTT protocol and the message sent can be obtained. Through the above method, IM (Instant Messaging) function is realized. By utilizing the MQTT protocol, standard subject and message content are made and MQTT usage scenarios are expanded and richened.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device of data communication.
Background technology
In comprising social mobile APP, instant messaging (IM) is basic and important function, and reliable and stable IM can
The liveness of user is improved, the viscosity of user is increased to a certain extent.But how to realize that IM abilities are outstanding to many developers
It is resource-constrained start-up group for have a set threshold.Presence Protocol (XMPP) can be processed using scalable message
Based on protocol realization IM functions.But the agreement is, based on the agreement of extensible markup language (XML), to determine pay(useful) load
Relatively low, agreement expense itself is big.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device of data communication, it is intended to which how solution samples
MQTT agreements have saved the problem of substantial amounts of manpower and materials cost when zero exploitation as the basic agreement of IM.
It is that, up to this purpose, the embodiment of the present invention is employed the following technical solutions：
In a first aspect, a kind of method of data communication, methods described includes：
Server is according to the corresponding subject information of type configuration for sending message；
The server is believed according to transmission content configuration data type format, the data type format including the theme
Breath；
The server is packaged data to be sent according to the data type format, and the data after encapsulation are led to
Cross MQTT agreements and be sent to mobile terminal；
The mobile terminal receives the data, and obtains corresponding parsing password to institute according to the data type format
State data to be parsed.
Preferably, the server according to send message the corresponding subject information of type configuration, including：
In single chat is realized, the server distributes a unique ID for each user, then subscribes to wildcard single chat message
Theme MSG/ IDs/IM/#；
In group chat is realized, the server is the unique group ID of each group allocation one, then subscribes to wildcard group chat
Message subject MSG/ group ID/IM/#；
In crew's message is realized, server topic of subscription MSG/Business/Notification/, and to institute
There is user to send the message with the topic of subscription.
Preferably, the server is packaged data to be sent according to the data type format, and after encapsulating
Data by message queue remote measurement transmit MQTT agreements be sent to mobile terminal, including：
The data type format is converted to binary system, encryption by the server by JOSN, then is encapsulated into transmission data
It is transmitted in area；The JSON includes that the ID of the mobile terminal, the JSON include that T/IMG/VIDEO/CARD is specific
Data type is expressed.
Preferably, the T identifies text message, and the IMG identifies image information, and the VIDEO identifies audio message, institute
State CARD mark business card message.
Preferably, the mobile terminal receives the data, and obtains corresponding parsing according to the data type format
Password is parsed to the data, including：
If the mobile terminal receives described by wildcard single chat message subject/T/ or wildcard group chat message subject/T/
Data, then the mobile terminal data are parsed according to the resolution rules of text message；
If the mobile terminal receives institute by wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
Data are stated, then the mobile terminal is parsed according to the resolution rules of image information to the data；
If the mobile terminal is connect by wildcard single chat message subject/VIDEO/ or wildcard group chat message subject/VIDEO/
The data are received, then the mobile terminal is parsed according to the resolution rules of speech message to the data.
A kind of second aspect, device of data communication, described device includes：
First configuration module, for according to the corresponding subject information of type configuration for sending message；
Second configuration module, for according to transmission content configuration data type format, the data type format to include institute
State subject information；
Sending module, for data to be sent to be packaged according to the data type format, and by the number after encapsulation
Mobile terminal is sent to according to MQTT agreements are transmitted by message queue remote measurement；
Parsing module, for receiving the data, and obtains corresponding parsing password pair according to the data type format
The data are parsed.
Preferably, first configuration module, specifically for：
It is that each user distributes a unique ID in single chat is realized, then subscribes to wildcard single chat message subject MSG/ use
Family ID/IM/#；
It is the unique group ID of each group allocation one in group chat is realized, then subscribes to wildcard group chat message subject
MSG/ groups ID/IM/#；
In crew's message is realized, topic of subscription MSG/Business/Notification/, and send to all users
Message with the topic of subscription.
Preferably, the sending module, specifically for：
By the data type format by JOSN be converted to binary system, encryption, then be encapsulated into transmission data field in carry out send out
Send；The JSON includes that the ID of the mobile terminal, the JSON include the specific data type tables of T/IMG/VIDEO/CARD
Reach.
Preferably, the IM/T identifies text message, and the IM/IMG identifies image information, and the IM/VIDEO identifies sound
Frequency message, the IM/CARD identifies business card message.
Preferably, the parsing module, specifically for：
If the mobile terminal receives described by wildcard single chat message subject/T/ or wildcard group chat message subject/T/
Data, then parse according to the resolution rules of text message to the data；
If the mobile terminal receives institute by wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
Data are stated, then the data is parsed according to the resolution rules of image information；
If the mobile terminal is connect by wildcard single chat message subject/VIDEO/ or wildcard group chat message subject/VIDEO/
The data are received, then the data is parsed according to the resolution rules of speech message.
A kind of method and device of data communication provided in an embodiment of the present invention, server is matched somebody with somebody according to the type for sending message
Put corresponding subject information；The server includes according to transmission content configuration data type format, the data type format
The subject information；The server is packaged data to be sent according to the data type format, and by after encapsulation
Data are sent to mobile terminal by MQTT agreements；The mobile terminal receives the data, and according to the data type lattice
Formula obtains corresponding parsing password and the data is parsed.So as to pass through theme specification, contents norm, using in MQTT
QOS=2 has and is only once sent to this characteristic, after completely being realized to MQTT agreements, parses a piece of news, then can obtain
Know the sender of the message, more than by way of realize the quick functions of IM；Using MQTT agreements, the master of constituting criterion
Topic and message content, extend and enrich the use scene of MQTT.
Description of the drawings
Fig. 1 is a kind of schematic flow sheet of the method for data communication provided in an embodiment of the present invention；
Fig. 2 is a kind of high-level schematic functional block diagram of the device of data communication provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The described specific embodiment in place is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of description, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to Fig. 1, Fig. 1 is a kind of schematic flow sheet of the method for data communication provided in an embodiment of the present invention.
As shown in figure 1, the method for the data communication includes：
Step 101, server is according to the corresponding subject information of type configuration for sending message；
Wherein, the push of the application in terms of existing MQTT is mainly used in Internet of Things, such as mobile phone A PP.But by MQTT's
Analyse in depth, expand application scenarios to IM functions.
To the theme Rulemaking based on publish/subscribe, can for meet single chat, group chat, crew's message and message
Up to property, preservation of deferred information etc.；And can be by topic identification type of message, such as text, voice, picture or other from
The message of definition；Can send to push in the case where service end does not decode concrete message content and inform that what offline user received disappears
Breath type, such as：You receive a speech message；There is certain reserved extending space to following type of message.
Sampling MQTT agreements have saved substantial amounts of manpower and materials cost when zero exploitation, to phase as the basic agreement of IM
The technical capability of pass personnel requires to decrease；The various constraints being subject to when avoiding using third party's service, user data energy
It is enough all to be retained and avoided crawl of the third party to user data；Simultaneously pay(useful) load is improve, economized on resources.
MQTT agreements are IBM limited for a large amount of computing capabilitys, and are operated in low bandwidth, the remote sensing of insecure network
The agreement that device and control device are communicated and designed, it has following several main characteristics：
1. very little communication overhead (minimum message size be 2 bytes)；
2. various popular programming languages (including C, Java, Ruby, Python etc.) and wieldy client are supported；
3. publish/subscribe model is supported, simplifies the exploitation of application program；
4. three kinds of different messages grade of deliveries are provided, message can be arrived on demand, adapt in unstable operation
Network transmission demand.
Preferably, the server according to send message the corresponding subject information of type configuration, including：
In single chat is realized, the server distributes a unique ID for each user, then subscribes to wildcard single chat message
Theme MSG/ IDs/IM/#；
In group chat is realized, the server is the unique group ID of each group allocation one, then subscribes to wildcard group chat
Message subject MSG/ group ID/IM/#；
In crew's message is realized, server topic of subscription MSG/Business/Notification/, and to institute
There is user to send the message with the topic of subscription.
Specifically, according to the IM business scenarios to be extended, in accordance with the Rulemaking of theme, each business can be formulated different
Theme, using based on the characteristic subscribed to, completes the following process that once communicates：
Single chat realizes process：Each user distributes a unique ID, then subscribes to wildcard single chat message subject：MSG/ user
ID/IM/#, after subscribing to success, every message being sent on the theme of MSG/ IDs/IM/ beginnings all can turn through server
The user is sent to, sending and receiving for single chat message is realized.
Group chat realizes process：The unique group ID of each group allocation one, then group members subscribe to wildcard group chat message
Theme：MSG/ groups ID/IM/#, after subscribing to success, every message being sent on the theme of MSG/ groups ID/IM/ beginnings all can
The all users (both all group members) for subscribing to the theme are sent to through server, the transmission of group chat message are realized and is connect
Receive.
Crew's message is realized：Topic of subscription MSG/Business/Notification/, the message that crew sends all is sent to
This theme, so all users can receive the message.
Concrete message content need not be parsed in order to reach service end, can just be sent and be pushed to corresponding client offline,
The redundant data of several characters is formulated in theme, IM/T represents that the message of transmission is text message, and IM/IMG representative pictures disappear
Breath, IM/VIDEO represents audio message, and IM/CARD represents business card message, and it is right that such service end only needs to dynamically to update
Answer table that type of message just can be directly known from theme, improve efficiency.For the type of message for newly increasing, such as send one
IM/SHARE message, after early version is received, can point out to need upgrading just can check, thus be avoided that version disunity causes message
Mistake shows.
Step 102, the server includes institute according to transmission content configuration data type format, the data type format
State subject information；
Step 103, the server is packaged data to be sent according to the data type format, and after encapsulating
Data by message queue remote measurement transmit MQTT agreements be sent to mobile terminal；
Preferably, the server is packaged data to be sent according to the data type format, and after encapsulating
Data by message queue remote measurement transmit MQTT agreements be sent to mobile terminal, including：
The data type format is converted to binary system, encryption by the server by JOSN, then is encapsulated into transmission data
It is transmitted in area；The JSON includes that the ID of the mobile terminal, the JSON include that T/IMG/VIDEO/CARD is specific
Data type is expressed.
Wherein, the T identifies text message, and the IMG identifies image information, and the VIDEO identifies audio message, described
CARD identifies business card message.
Specifically, after the completion of theme is subscribed to, then specific data form is specified, data form is converted to two and enters by JOSN
Then system, encryption is encapsulated in transmission data field and is transmitted.
ID comprising sender in JSON, are the specific data type such as T/IMG/VIDEO/CARD containing msgType
Expression, can so distinguish the particular content of outbound message.The parsing of correspondence KEY is carried out after decryption according to rule, different type is reached
The reception of message.
Text message：Send data on the theme of wildcard single chat message subject/T/ or wildcard group chat message subject/T/,
After the theme receiving data, the binary data that just can know that receipt of subsequent is to change text message, corresponding solution
The data that phase separation is closed.
Image information：Send data to the theme of wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
On, after the theme receiving data, the binary data that just can know that receipt of subsequent is to be converted into image information, corresponding
Analytically dependent data.
Speech message：Send data to wildcard single chat message subject/VIDEO/'s or wildcard group chat message subject/VIDEO/
On theme, after the theme receiving data, the binary data that just can know that receipt of subsequent is to be converted into speech message, right
The analytically dependent data answered.
Step 104, the mobile terminal receives the data, and obtains corresponding parsing according to the data type format
Password is parsed to the data.
Preferably, the mobile terminal receives the data, and obtains corresponding parsing according to the data type format
Password is parsed to the data, including：
If the mobile terminal receives described by wildcard single chat message subject/T/ or wildcard group chat message subject/T/
Data, then the mobile terminal data are parsed according to the resolution rules of text message；
If the mobile terminal receives institute by wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
Data are stated, then the mobile terminal is parsed according to the resolution rules of image information to the data；
If the mobile terminal is connect by wildcard single chat message subject/VIDEO/ or wildcard group chat message subject/VIDEO/
The data are received, then the mobile terminal is parsed according to the resolution rules of speech message to the data.
A kind of method of data communication provided in an embodiment of the present invention, server is according to the type configuration correspondence for sending message
Subject information；The server includes the master according to transmission content configuration data type format, the data type format
Topic information；The server is packaged data to be sent according to the data type format, and the data after encapsulation are led to
Cross MQTT agreements and be sent to mobile terminal；The mobile terminal receives the data, and is obtained according to the data type format
Corresponding parsing password is parsed to the data.So as to pass through theme specification, contents norm, have using QOS=2 in MQTT
And this characteristic is only once sent to, and after completely being realized to MQTT agreements, parse a piece of news, then can know that this disappears
The sender of breath, more than by way of realize the quick functions of IM；Using MQTT agreements, the theme and message of constituting criterion
Content, extends and enriches the use scene of MQTT.
With reference to Fig. 2, Fig. 2 is a kind of high-level schematic functional block diagram of the device of data communication provided in an embodiment of the present invention.
As shown in Fig. 2 the device of the data communication includes：
First configuration module 201, for according to the corresponding subject information of type configuration for sending message；
Preferably, first configuration module, specifically for：
It is that each user distributes a unique ID in single chat is realized, then subscribes to wildcard single chat message subject MSG/ use
Family ID/IM/#；
It is the unique group ID of each group allocation one in group chat is realized, then subscribes to wildcard group chat message subject
MSG/ groups ID/IM/#；
In crew's message is realized, topic of subscription MSG/Business/Notification/, and send to all users
Message with the topic of subscription.
Second configuration module 202, for according to transmission content configuration data type format, the data type format to include
The subject information；
Sending module 203, for data to be sent to be packaged according to the data type format, and by after encapsulation
Data transmit MQTT agreements and are sent to mobile terminal by message queue remote measurement；
Preferably, the sending module 203, specifically for：
By the data type format by JOSN be converted to binary system, encryption, then be encapsulated into transmission data field in carry out send out
Send；The JSON includes that the ID of the mobile terminal, the JSON include the specific data type tables of T/IMG/VIDEO/CARD
Reach.
Wherein, the T identifies text message, and the IMG identifies image information, and the VIDEO identifies audio message, described
CARD identifies business card message.
Parsing module 204, for receiving the data, and obtains corresponding parsing password according to the data type format
The data are parsed.
Preferably, the parsing module 204, specifically for：
If the mobile terminal receives described by wildcard single chat message subject/T/ or wildcard group chat message subject/T/
Data, then parse according to the resolution rules of text message to the data；
If the mobile terminal receives institute by wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
Data are stated, then the data is parsed according to the resolution rules of image information；
If the mobile terminal is connect by wildcard single chat message subject/VIDEO/ or wildcard group chat message subject/VIDEO/
The data are received, then the data is parsed according to the resolution rules of speech message.
A kind of device of data communication provided in an embodiment of the present invention, server is according to the type configuration correspondence for sending message
Subject information；The server includes the master according to transmission content configuration data type format, the data type format
Topic information；The server is packaged data to be sent according to the data type format, and the data after encapsulation are led to
Cross MQTT agreements and be sent to mobile terminal；The mobile terminal receives the data, and is obtained according to the data type format
Corresponding parsing password is parsed to the data.So as to pass through theme specification, contents norm, have using QOS=2 in MQTT
And this characteristic is only once sent to, and after completely being realized to MQTT agreements, parse a piece of news, then can know that this disappears
The sender of breath, more than by way of realize the quick functions of IM；Using MQTT agreements, the theme and message of constituting criterion
Content, extends and enriches the use scene of MQTT.
Claims (10)
1. a kind of method of data communication, it is characterised in that methods described includes：
Server is according to the corresponding subject information of type configuration for sending message；
The server includes the subject information according to transmission content configuration data type format, the data type format；
The server is packaged data to be sent according to the data type format, and by the data after encapsulation by disappearing
Breath queue remote measurement transmission MQTT agreements are sent to mobile terminal；
The mobile terminal receives the data, and obtains corresponding parsing password to the number according to the data type format
According to being parsed.
2. method according to claim 1, it is characterised in that the server is according to the type configuration correspondence for sending message
Subject information, including：
In single chat is realized, the server distributes a unique ID for each user, then subscribes to wildcard single chat message subject
MSG/ IDs/IM/#；
In group chat is realized, the server is the unique group ID of each group allocation one, then subscribes to wildcard group chat message
Theme MSG/ group ID/IM/#；
In crew's message is realized, server topic of subscription MSG/Business/Notification/, and it is useful to institute
Family sends the message with the topic of subscription.
3. method according to claim 2, it is characterised in that the server is by data to be sent according to the data class
Type form is packaged, and the data after encapsulation are sent to into mobile terminal by message queue remote measurement transmission MQTT agreements, wraps
Include：
The data type format is converted to binary system, encryption by the server by JOSN, then is encapsulated in transmission data field
It is transmitted；The JSON includes that the ID of the mobile terminal, the JSON include the specific data of T/IMG/VIDEO/CARD
Type list reaches.
4. according to the method in claim 2 or 3, it is characterised in that the T identifies text message, the IMG identifies picture
Message, the VIDEO identifies audio message, and the CARD identifies business card message.
5. method according to claim 4, it is characterised in that the mobile terminal receives the data, and according to described
Data type format obtains corresponding parsing password and the data is parsed, including：
If the mobile terminal receives the data by wildcard single chat message subject/T/ or wildcard group chat message subject/T/,
Then the mobile terminal is parsed according to the resolution rules of text message to the data；
If the mobile terminal receives the number by wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
According to then the mobile terminal is parsed according to the resolution rules of image information to the data；
If the mobile terminal receives institute by wildcard single chat message subject/VIDEO/ or wildcard group chat message subject/VIDEO/
Data are stated, then the mobile terminal is parsed according to the resolution rules of speech message to the data.
6. a kind of device of data communication, it is characterised in that described device includes：
First configuration module, for according to the corresponding subject information of type configuration for sending message；
Second configuration module, for according to transmission content configuration data type format, the data type format to include the master
Topic information；
Sending module, for data to be sent to be packaged according to the data type format, and the data after encapsulation is led to
Cross message queue remote measurement transmission MQTT agreements and be sent to mobile terminal；
Parsing module, for receiving the data, and obtains corresponding parsing password to described according to the data type format
Data are parsed.
7. device according to claim 6, it is characterised in that first configuration module, specifically for：
Be that each user distributes a unique ID in single chat is realized, then subscribe to wildcard single chat message subject MSG/ IDs/
IM/#；
It is the unique group ID of each group allocation one in group chat is realized, then subscribes to wildcard group chat message subject MSG/ group
Group ID/IM/#；
In crew's message is realized, topic of subscription MSG/Business/Notification/, and have to all users transmission
The message of the topic of subscription.
8. device according to claim 7, it is characterised in that the sending module, specifically for：
By the data type format by JOSN be converted to binary system, encryption, then be encapsulated into transmission data field in be transmitted；Institute
IDs of the JSON including the mobile terminal is stated, the JSON includes the specific data type expression of T/IMG/VIDEO/CARD.
9. the device according to claim 7 or 8, it is characterised in that the T identifies text message, the IMG identifies picture
Message, the VIDEO identifies audio message, and the CARD identifies business card message.
10. device according to claim 9, it is characterised in that the parsing module, specifically for：
If the mobile terminal receives the data by wildcard single chat message subject/T/ or wildcard group chat message subject/T/,
Then the data are parsed according to the resolution rules of text message；
If the mobile terminal receives the number by wildcard single chat message subject/IMG/ or wildcard group chat message subject/IMG/
According to then being parsed to the data according to the resolution rules of image information；
If the mobile terminal receives institute by wildcard single chat message subject/VIDEO/ or wildcard group chat message subject/VIDEO/
Data are stated, then the data is parsed according to the resolution rules of speech message.
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| CN109756550A (en) * | 2018-06-01 | 2019-05-14 | 启迪云控(北京)科技有限公司 | A kind of intelligent network connection drives vehicle cloud communication means, device and system |
| CN109756550B (en) * | 2018-06-01 | 2021-12-21 | 启迪云控(北京)科技有限公司 | Intelligent internet driving vehicle cloud communication method, device and system |
| CN108965265A (en) * | 2018-06-26 | 2018-12-07 | 四川斐讯信息技术有限公司 | A kind of chat method and system based on MQTT agreement |
| CN109756417A (en) * | 2019-01-04 | 2019-05-14 | 平安科技（深圳）有限公司 | Offline message distribution method, server and storage medium |
| WO2022012210A1 (en) * | 2020-07-16 | 2022-01-20 | 深圳思凯微电子有限公司 | Data packaging method, device, and system, and computer-readable storage medium |
| CN114827114A (en) * | 2022-04-22 | 2022-07-29 | 雷沃工程机械集团有限公司 | Method and system for realizing data twinning of engineering machinery Internet of vehicles platform |
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