CN103532984B - Data transmission method, device and system of websocket protocol - Google Patents
Data transmission method, device and system of websocket protocol Download PDFInfo
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- CN103532984B CN103532984B CN201310535026.1A CN201310535026A CN103532984B CN 103532984 B CN103532984 B CN 103532984B CN 201310535026 A CN201310535026 A CN 201310535026A CN 103532984 B CN103532984 B CN 103532984B
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 230000006835 compression Effects 0.000 claims abstract description 197
- 238000007906 compression Methods 0.000 claims abstract description 197
- 238000012545 processing Methods 0.000 claims abstract description 28
- 230000006837 decompression Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012508 change request Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention provides a data transmission method, device and system of a websocket protocol. The method comprises the steps as follows: firstly, a server which supports the websocket protocol and a client-side which supports the websocket protocol consult about compression type information which is supported by both the server and the client-side; then a first compression type which is matched with the type of a to-be-transmitted original file is determined; compression processing of the original file is performed with a compression algorithm corresponding to the first compression type; an compressed file employing a first compression type identification is sent to the client-side through a TCPsocket channel; and the client-side employs the compression algorithm corresponding to the first compression type to perform uncompression processing of the compressed file and acquire the original file, so that the efficiency of data transmission on the basis of the websocket protocol between the client-side and the server is improved.
Description
Technical field
The present embodiments relate to communication technical field, more particularly, to a kind of data transmission method of websocket protocol,
Equipment and system.
Background technology
A lot of websites adopt polling technique to realize instant messaging, that is, in specific time interval, by client to clothes
Business device sends HTTP request, then returns up-to-date data to client by server.This traditional mode brings apparent
Shortcoming is that client needs constantly to send request to server, but the heading of HTTP request is very long, and the inside is wrapped
The data containing may be the value of a very little, so can take a lot of bandwidth.
In order to solve the above problems it is achieved that client and server full-duplex communication (full-duplex), in HTML5
Using WebSocket agreement, based on WebSocket agreement, client and server only needs to do an action shaken hands, so
Afterwards, it is the formation of an express passway between client and server, just directly can realize data between the two real-time mutually
Transmission.But, in prior art, the message of the websocket between client and server adopts direct mode, because
This, the magnanimity with communication interaction content increases in actual applications, have impact on the efficiency of data transfer.
Content of the invention
For the drawbacks described above of prior art, the embodiment of the present invention provides a kind of transmission side data of websocket protocol
Method, equipment and system.
One aspect of the present invention provides a kind of data transmission method of websocket protocol, including:
The compression type that the server supporting websocket is supported jointly with the client negotiation supporting websocket
Information, determines the first pressure with the type matching of the original document to be transmitted to described client according to described compression type information
Contracting type;
Described server application compression algorithm corresponding with described first compression type is compressed to described original document
Process, and the compression literary composition of described first compression type mark will be applied by the TCPsocket passage between described client
Part is sent to described client, so that described client application compression algorithm corresponding with described first compression type is to described pressure
Contracting file carries out decompression and obtains described original document.
Another aspect of the present invention provides a kind of data transmission method of websocket protocol, including:
The compression type that the client supporting websocket is supported jointly with the server negotiation supporting websocket
Information;
Described client is by TCPsocket channel reception application the first compression type mark between described server
Compressed file, wherein, described first compression type be described server according to described compression type information determine with to be transmitted
Compression type to the type matching of the original document of described client;
Described client application compression algorithm corresponding with described first compression type decompresses to described compressed file
Contracting processes and obtains described original document.
Another aspect of the invention provides a kind of server supporting websocket, including:
Matching module, for consulting the compression type information jointly supported with the client supporting websocket, according to
Described compression type information determines the first compression type with the type matching of the original document to be transmitted to described client;
Processing module, for applying compression algorithm corresponding with described first compression type that described original document is pressed
Contracting is processed, and will apply the compression of described first compression type mark by the TCPsocket passage between described client
File is sent to described client, so that described client application compression algorithm corresponding with described first compression type is to described
Compressed file carries out decompression and obtains described original document.
Further aspect of the present invention provides a kind of client supporting websocket, including:
Pretreatment module, for consulting the compression type information jointly supported with the server supporting websocket;
Receiver module, for applying the first compression type by the TCPsocket channel reception between described server
The compressed file of mark, wherein, described first compression type is that described server determines according to described compression type information and treats
It is transferred to the compression type of the type matching of the original document of described client;
Decompression module, for applying compression algorithm corresponding with described first compression type that described compressed file is carried out
Decompression obtains described original document.
Another aspect of the invention provides a kind of data transmission system based on websocket protocol, including:Above-mentioned support
The server of websocket and the client supporting websocket.
The data transmission method of websocket protocol provided in an embodiment of the present invention, equipment and system, support first
The compression type information that the server of websocket is supported jointly by the client negotiation with support websocket, then
Determine the first compression type with the type matching of original document waiting for transmission, application compression corresponding with the first compression type is calculated
Method is compressed to original document processing, and will apply the compressed file of the first compression type mark by TCPsocket passage
It is sent to client, client application compression algorithm corresponding with the first compression type carries out decompression to compressed file and obtain
Take original document, thus improve client and server refer between data transmission efficiency based on websocket protocol.
Brief description
Fig. 1 is the flow chart of the data transmission method of a websocket protocol provided in an embodiment of the present invention;
Fig. 2 is the flow chart of the data transmission method of another websocket protocol provided in an embodiment of the present invention;
Fig. 3 is the structural representation of the server of a support websocket provided in an embodiment of the present invention;
Fig. 4 is the structural representation of the client of a support websocket provided in an embodiment of the present invention;
Fig. 5 is a structural representation based on the data transmission system of websocket protocol provided in an embodiment of the present invention
Figure.
Specific embodiment
Fig. 1 is the flow chart of the data transmission method of a websocket protocol provided in an embodiment of the present invention, such as Fig. 1
Shown, the method includes:
Step 100, the server supporting websocket is supported jointly with the client negotiation supporting websocket
Compression type information, determines the type matching with the original document to be transmitted to described client according to described compression type information
The first compression type;
The server supporting websocket is receiving the access request that the client supporting websocket sends, Yi Jigen
Before returning the original document required for user according to access request to client, server is consulted jointly to prop up with client first
The compression type information held, negotiations process specifically includes:User end to server sends the compression type information itself supported,
Such as gzip, rar, zip, cab, 7z, tar etc., compression type information and client that server is supported according to itself are sent out
The compression type information sent is compared, and chooses the compression type information that identical compression type is supported jointly as both sides,
And feed back to client.Then server determines and to be transmitted to client from the compression type information that both sides support jointly
The type matching of original document the first compression type, specific determination process for server local be stored with file type with
The corresponding relation of compression type, this corresponding relation is to apply pressure corresponding from different compression types based on those skilled in the art
Compression algorithm is compressed acquired in efficiency test to different types of file, thus this corresponding relation of server lookup obtain with
The first compression type to be transmitted to the type matching of the original document of client.
Step 101, described server application compression algorithm corresponding with described first compression type is to described original document
It is compressed processing, and described first compression type mark will be applied by the TCPsocket passage between described client
Compressed file be sent to described client, for described client application compression algorithm corresponding with described first compression type
Described compressed file is carried out with decompression and obtains described original document.
Server determine with to be transmitted to client original document type matching the first compression type after, application
Compression algorithm corresponding with the first compression type is compressed to this original document processing, it should be noted that applied compression is calculated
Method is compressed process to this original document and belongs to prior art, and here is omitted, only taking gzip compression algorithm as a example letter
Unitary declaration, such as application gzip compression algorithm compress html file process be:Repeat character string in searching input data, two
The character string of secondary appearance by one sensing previous character string pointer replace, wherein, pointer with the form of -- distance and length
To represent, if distance is defined to 32KB, length is defined to 258 bytes, if the character string of secondary appearance is not in this front 32KB
Interior appearance, it will act as word byte sequence and sends.Further, in order to improve compression efficiency, server is to original literary composition
Before part is compressed processing, first determine whether whether the size of this original document is more than or equal to default threshold value, if judging to know
The size of this original document is more than or equal to this threshold value, then apply compression algorithm corresponding with the first compression type that original document is entered
Row compression is processed, if judging, the size knowing this original document is less than this threshold value, this original document is moved into buffer area, reaches
After default cache-time, reapply compression algorithm corresponding with the first compression type to being stored in the one or more former of buffer area
Beginning file is compressed processing.Server, after the completion of original document being compressed process, will apply the first compression type mark
The compressed file known is sent to client by the TCPsocket passage between client, and client receives application first pressure
Know after the compressed file of contracting type identification that this compressed file is server application compression algorithm corresponding with the first compression type
It is compressed, therefore client then applies compression algorithm corresponding with the first compression type that this compressed file is decompressed
Process and obtain original document, and original document is shown to user by client.
The data transmission method of the websocket protocol that the present embodiment provides, supports that the server of websocket leads to first
The compression type information crossed and support that the client negotiation of websocket is supported jointly, it is then determined that original with waiting for transmission
First compression type of the type matching of file, applies compression algorithm corresponding with the first compression type that original document is pressed
Contracting is processed, and by TCPsocket passage, the compressed file applying the first compression type mark is sent to client, client
Apply compression algorithm corresponding with the first compression type that compressed file is carried out with decompression and obtain original document, thus improving
Client and server refer between data transmission efficiency based on websocket protocol.
Based on above-described embodiment, further, methods described also includes:When client needs to apply the second compression type to enter
During row decompression, actively can send the change request including the second compression type to server, thus when server receives visitor
The renewal request message of inclusion second compression type that family end sends, itself supports this second compression type if judging to know,
Process after original document currently to be transmitted with current compression algorithm, just application compression corresponding with the second compression type is calculated
Method is compressed processing to the follow-up original document to be transmitted to client, and will apply the compression literary composition of the second compression type mark
Part is sent to client by the TCPsocket passage between client, and client receives application the second compression type mark
Compressed file after know that this compressed file is that server application compression algorithm corresponding with the second compression type is compressed,
Therefore client then apply compression algorithm corresponding with the second compression type this compressed file is carried out decompression obtain former
Beginning file, and original document is shown to user by client.
Fig. 2 is the flow chart of the data transmission method of another websocket protocol provided in an embodiment of the present invention, such as schemes
Shown in 2, the method includes:
Step 200, the client supporting websocket is supported jointly with the server negotiation supporting websocket
Compression type information;
Step 201, described client is by TCPsocket channel reception application first compression between described server
The compressed file of type identification, wherein, described first compression type is that described server determines according to described compression type information
Compression type with the type matching of the original document to be transmitted to described client;
Step 202, described client application compression algorithm corresponding with described first compression type is to described compressed file
Carry out decompression and obtain described original document.
In the data transmission method of websocket protocol that the present embodiment provides, the concrete handling process of each step, permissible
Referring to the embodiment of the method shown in above-mentioned Fig. 1, it is realized, and principle is similar with technique effect, and here is omitted.
One of ordinary skill in the art will appreciate that:The all or part of step realizing said method embodiment can be passed through
Completing, aforesaid program can be stored in a computer read/write memory medium the related hardware of programmed instruction, this program
Upon execution, execute the step including said method embodiment;And aforesaid storage medium includes:ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Fig. 3 is the structural representation of the server of a support websocket provided in an embodiment of the present invention, as Fig. 3 institute
Show, this server includes:Matching module 11 and processing module 12, wherein, matching module 11 is used for and the visitor supporting websocket
The compression type information that the negotiation of family end is supported jointly, determines and to be transmitted to described client according to described compression type information
The type matching of original document the first compression type;It is corresponding with described first compression type that processing module 12 is used for application
Compression algorithm is compressed to described original document processing, and should by the TCPsocket passage between described client
It is sent to described client with the compressed file of described first compression type mark, for described client application and described first
The corresponding compression algorithm of compression type carries out decompression and obtains described original document to described compressed file.
Wherein, processing module 12 specifically for:Judge whether the size of described original document is more than or equal to default threshold value,
If so, compression algorithm corresponding with described first compression type is then applied described original document to be compressed process, otherwise, then
Described original document is moved into buffer area, after reaching default cache-time, applies pressure corresponding with described first compression type
Compression algorithm is compressed to the one or more original documents being stored in buffer area processing.
In the server of support websocket that the present embodiment provides, the function of each module and handling process, may refer to
Embodiment of the method shown in above-mentioned Fig. 1, it is realized, and principle is similar with technique effect, and here is omitted.
Based on above-described embodiment, further, described processing module 12 is additionally operable to:Receive the inclusion that described client sends
The renewal request message of the second compression type, itself supports described second compression type, application and described the if judging to know
The corresponding compression algorithm of two compression types is compressed processing to the follow-up original document to be transmitted to described client.
Fig. 4 is the structural representation of the client of a support websocket provided in an embodiment of the present invention, as Fig. 4 institute
Show, this client includes:Pretreatment module 21, receiver module 22 and decompression module 23, wherein, pretreatment module 21 be used for
Support the compression type information that the server negotiation of websocket is supported jointly;Receiver module 22 be used for by with described clothes
The compressed file of TCPsocket channel reception application the first compression type mark between business device, wherein, described first compression class
Type is that described server determines the type with the original document to be transmitted to described client according to described compression type information
The compression type joined;Decompression module 23 is used for applying compression algorithm corresponding with described first compression type to described compression literary composition
Part carries out decompression and obtains described original document.
In the client of support websocket that the present embodiment provides, the function of each module and handling process, may refer to
Embodiment of the method shown in above-mentioned Fig. 1, it is realized, and principle is similar with technique effect, and here is omitted.
Fig. 5 is a structural representation based on the data transmission system of websocket protocol provided in an embodiment of the present invention
Figure, as shown in figure 5, this system includes:Support the server 1 of websocket and the client 2 supporting websocket, wherein,
The server 1 supporting websocket and the client 2 supporting websocket can be using the above embodiment of the present invention offers
Support the server of websocket and the client supporting websocket.
The function of each module and processing stream in the data transmission system based on websocket protocol that the present embodiment provides
Journey, may refer to the embodiment of the method shown in above-mentioned Fig. 1, and it is realized, and principle is similar with technique effect, and here is omitted.
Finally it should be noted that:Above example only in order to technical scheme to be described, is not intended to limit;Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that:It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics;
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (7)
1. a kind of data transmission method of websocket protocol is it is characterised in that include:
The compression type information that the server supporting websocket is supported jointly with the client negotiation supporting websocket,
The first compression class with the type matching of the original document to be transmitted to described client is determined according to described compression type information
Type;
Described server application compression algorithm corresponding with described first compression type is compressed to described original document processing,
And by the TCPsocket passage between described client, the compressed file applying described first compression type mark is sent
To described client, so that described client application compression algorithm corresponding with described first compression type is to described compressed file
Carry out decompression and obtain described original document;
Described determined according to described compression type information with the type matching of the original document to be transmitted to described client the
One compression type includes:
Server lookup corresponding relation obtains the first compression with the type matching of the original document to be transmitted to described client
Type, wherein, the corresponding relation of file type that described corresponding relation stores for server local and compression type, described correspondence
Relation is according to the corresponding compression algorithm of different compression types, different types of file to be compressed acquired in efficiency test
's;
Described application compression algorithm corresponding with described first compression type is compressed to described original document processing and includes:
Described server judges that whether the size of described original document is more than or equal to default threshold value, if so, then application with described
The corresponding compression algorithm of first compression type is compressed to described original document processing, and otherwise, then moves described original document
Enter buffer area, after reaching default cache-time, apply compression algorithm corresponding with described first compression type to being stored in caching
One or more original documents in area are compressed processing.
2. the data transmission method of websocket protocol according to claim 1 is it is characterised in that methods described is also wrapped
Include:
Described server receives the renewal request message of inclusion second compression type that described client sends, if judging to know certainly
Body supports described second compression type, then apply compression algorithm corresponding with described second compression type to follow-up to be transmitted to institute
The original document stating client is compressed processing.
3. a kind of data transmission method of websocket protocol is it is characterised in that include:
The compression type information that the client supporting websocket is supported jointly with the server negotiation supporting websocket;
Described client is by the pressure of TCPsocket channel reception application the first compression type mark between described server
Contracting file, wherein, after described first compression type is described server lookup file type and the corresponding relation of compression type
Obtain, type matching compression type with the original document to be transmitted to described client, wherein said corresponding relation be by
Described server is compressed efficiency test institute according to the different corresponding compression algorithms of compression type to different types of file
It is obtained and stored in the local of described server;
Described client application compression algorithm corresponding with described first compression type is carried out at decompression to described compressed file
Reason obtains described original document.
4. a kind of server supporting websocket is it is characterised in that include:
Matching module, for consulting the compression type information jointly supported with the client supporting websocket, according to described
Compression type information determines the first compression type with the type matching of the original document to be transmitted to described client;
Matching module obtains the type matching with the original document to be transmitted to described client specifically for inquiry corresponding relation
The first compression type, wherein, file type that described corresponding relation stores for server local is corresponding with compression type to close
System, described corresponding relation is to be compressed efficiency according to the different corresponding compression algorithms of compression type to different types of file
Acquired in test;
Processing module, for applying compression algorithm corresponding with described first compression type described original document to be compressed locate
Reason, and the compressed file of described first compression type mark will be applied by the TCPsocket passage between described client
It is sent to described client, so that described client application compression algorithm corresponding with described first compression type is to described compression
File carries out decompression and obtains described original document;
Described processing module specifically for:
Judge whether the size of described original document is more than or equal to default threshold value, if so, then application compresses class with described first
The corresponding compression algorithm of type is compressed to described original document processing, and otherwise, then described original document is moved into buffer area, reaches
To after default cache-time, apply compression algorithm corresponding with described first compression type to being stored in of buffer area or many
Individual original document is compressed processing.
5. the server of support websocket according to claim 4 is it is characterised in that described processing module is additionally operable to:
Receive the renewal request message of inclusion second compression type that described client sends, if judging to know that itself support is described
Second compression type, then apply compression algorithm corresponding with described second compression type to follow-up to be transmitted to described client
Original document is compressed processing.
6. a kind of client supporting websocket is it is characterised in that include:
Pretreatment module, for consulting the compression type information jointly supported with the server supporting websocket;
Receiver module, for by TCPsocket channel reception application the first compression type mark between described server
Compressed file, wherein, described first compression type is the corresponding relation of described server lookup file type and compression type
Obtain afterwards, the type matching compression type with the original document to be transmitted to described client, wherein said corresponding relation
It is according to the different corresponding compression algorithms of compression type, different types of file to be compressed with efficiency by described server to survey
Examination is obtained and stored in the local of described server;
Decompression module, for applying compression algorithm corresponding with described first compression type that described compressed file is decompressed
Contracting processes and obtains described original document.
7. a kind of data transmission system based on websocket protocol is it is characterised in that include:As described in claim 4 or 5
Support websocket server, and the as claimed in claim 6 client supporting websocket.
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CN103873860B (en) * | 2014-03-18 | 2017-12-22 | 深信服网络科技(深圳)有限公司 | Document transmission method and device |
US9287893B1 (en) * | 2015-05-01 | 2016-03-15 | Google Inc. | ASIC block for high bandwidth LZ77 decompression |
CN106686748B (en) * | 2015-11-05 | 2020-08-07 | 泰康保险集团股份有限公司 | Control method for multi-terminal device communication, terminal device and server |
CN106506331B (en) * | 2016-10-26 | 2019-10-22 | 宁波菊风系统软件有限公司 | A kind of text information transmission method of low latency |
CN106790462B (en) * | 2016-12-08 | 2019-12-06 | 东软集团股份有限公司 | Short sentence transmission method and system, server, sending client and receiving client |
CN110365690A (en) * | 2019-07-19 | 2019-10-22 | 迈普通信技术股份有限公司 | Flow collection method, apparatus and storage medium |
CN112311720B (en) * | 2019-07-23 | 2022-10-14 | 腾讯科技(深圳)有限公司 | Data transmission method and device |
CN111683189B (en) * | 2020-05-14 | 2023-04-07 | 苏州达家迎信息技术有限公司 | Picture compression method, system, terminal and storage medium |
CN114071241A (en) * | 2020-08-06 | 2022-02-18 | 成都鼎桥通信技术有限公司 | Video playing method, system, electronic equipment and storage medium |
CN114363379A (en) * | 2022-01-19 | 2022-04-15 | 北京中交兴路信息科技有限公司 | Vehicle data transmission method and device, electronic equipment and medium |
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