CN103532984B - Data transmission method, device and system of websocket protocol - Google Patents

Data transmission method, device and system of websocket protocol Download PDF

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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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compression
compression type
client
type
original document
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CN103532984A (en
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田新雪
马书惠
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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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

The data transmission method of websocket protocol, equipment and system
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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