CN102843406A - Method and system of data interaction - Google Patents
Method and system of data interaction Download PDFInfo
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- CN102843406A CN102843406A CN2011101737083A CN201110173708A CN102843406A CN 102843406 A CN102843406 A CN 102843406A CN 2011101737083 A CN2011101737083 A CN 2011101737083A CN 201110173708 A CN201110173708 A CN 201110173708A CN 102843406 A CN102843406 A CN 102843406A
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Abstract
The invention relates to a method and a system of data interaction. The method of data interaction comprises the following steps of: defining a communication protocol based on an HTTP (hyper text transport protocol) protocol stack; establishing a communication channel according to the communication protocol respectively arranged on a first terminal and a second terminal; and performing data interaction according to the communication channel. Since the communication protocol based on the HTTP protocol stack is adopted, the communication channel is established between the first terminal and the second terminal, and data interaction is performed according to the communication channel, access of the first terminal to the second terminal can be realized through a WAP (wireless application protocol) network. Compared with access through a NET network, the flow expense and the cost can be reduced. Moreover, no expensive hardware device needs to be purchased, thereby further reducing the cost.
Description
[technical field]
The present invention relates to network communication field, particularly a kind of data interactive method and system.
[background technology]
When stable long the connection set up with server in the terminal; Must adopt the Transmission Control Protocol in the Internet (for example NET network) to insert; Can't use WAP (Wireless Application Protocol; WAP) network insertion, the flow rate of NET network are far above the flow rate of WAP network.
Yet the terminal needs to buy high hardware device from operator and could support that cost is very high if employing is arrived server based on the WAP network insertion.
[summary of the invention]
Based on this, be necessary to provide a kind of data interactive method, reduced cost.
A kind of data interactive method may further comprise the steps:
Definition is based on the communication protocol of http protocol stack;
On first terminal and second terminal, be equipped with said communication protocol, and set up communication path according to said communication protocol;
Carry out data interaction according to said communication path.
Preferably, said first terminal is a portable terminal, and said second terminal is a server.
Preferably, also comprise step: type of setting Transmission Control Protocol interface in said http protocol stack.
Preferably, the http protocol stack that said first terminal is provided with is first protocol stack, and the http protocol stack that second terminal is provided with is second protocol stack; The concrete steps of carrying out data interaction according to communication path comprise:
Said first terminal is called said type of Transmission Control Protocol interface and is sent first data to said first protocol stack;
Said first protocol stack sends to said second protocol stack through http protocol with said first data;
Said second protocol stack sends to said second terminal with said first data, and said second terminal obtains second data with said first data processing, and said second data are turned back to said second protocol stack;
Said second protocol stack receives said second data and sends to said first protocol stack through http protocol;
Said first terminal is called said type of Transmission Control Protocol interface and from said first protocol stack, is obtained said second data.
Preferably; Call said type of Transmission Control Protocol interface sends first data and to the step of said first protocol stack after, also comprises at said first terminal: judge whether said first data of needs transmission; If then said first protocol stack sends to said second protocol stack with said first data through http protocol; If not, judge further then whether the time interval of transmission reaches Preset Time at interval, if then said first protocol stack sends to said second protocol stack with said first data and through http protocol.
In addition, also being necessary provides a kind of data interaction system, has reduced cost.
A kind of data interaction system; Comprise first terminal and second terminal; Be equipped with communication protocol on said first terminal and second terminal based on the http protocol stack; And communication path is set up through said communication protocol in said first terminal and second terminal, and carries out data interaction according to said communication path.
Preferably, first terminal is a portable terminal, and second terminal is a server.
Preferably, type of being provided with Transmission Control Protocol interface in the said http protocol stack.
Preferably, the http protocol stack that said first terminal is provided with is first protocol stack, and the http protocol stack that second terminal is provided with is second protocol stack; Said first terminal is called said type of Transmission Control Protocol interface and is sent first data to said first protocol stack; Said first protocol stack sends to said second protocol stack with said first data through http protocol; Said second protocol stack receives and sends said first data and gives said second terminal; Said second terminal receives said first data and handles and obtains second data, and said second data are turned back to said second protocol stack; Said second protocol stack receives said second data and sends to said first protocol stack through http protocol; Said first terminal is called said type of Transmission Control Protocol interface and from said first protocol stack, is obtained said second data.
Preferably, said first terminal is used to also judge whether that needs send said first data, when said first protocol stack goes out to need to send said first data in said first terminal judges, said first data is sent to said second protocol stack through http protocol; Said first terminal also is used for judging need not send said first data time; Judge further whether the time interval of sending reaches Preset Time at interval; When said first protocol stack reaches the Preset Time interval in the time interval that said first terminal judges goes out to send, said first data are sent to said second protocol stack through http protocol.
Above-mentioned data interactive method and system adopt the communication protocol based on the http protocol stack, between first terminal and second terminal, set up communication path; Carry out data interaction according to this communication path, realized first terminal, than passing through the NET network insertion through WAP network insertion second terminal; Reduced traffic fee usefulness; Reduce cost, and need not buy expensive hardware device, further reduced cost.
[description of drawings]
Fig. 1 is the flow chart of data interactive method among the embodiment;
Fig. 2 be among the embodiment first terminal and second terminal through carry out the particular flow sheet of data interaction based on the communication protocol of http protocol stack;
Fig. 3 is the structural representation of data interaction system among the embodiment.
[embodiment]
Below in conjunction with concrete embodiment and accompanying drawing technical scheme is carried out detailed description.
As shown in Figure 1, in one embodiment, a kind of data transmission method may further comprise the steps:
Step S110, definition is based on the communication protocol of http protocol stack.
HTTP (Hyper Text Transfer Protocol, HTTP) protocol stack is based on the protocol architecture of http protocol, promptly in protocol stack, necessarily has http protocol.Protocol stack is meant the summation of each layer protocol in the network, has reflected the process of a network file transmission: by upper-layer protocol to underlying protocol, again by underlying protocol to upper-layer protocol.The http protocol stack carries out data interaction with http protocol.Definition is based on the communication protocol of http protocol stack, and this communication protocol comprises based on http protocol carries out mutual solicited message, response message and resolving information, and wherein, solicited message comprises request header etc., like " data are sent in request " instruction; Response message comprises that response is first-class, like " allowing to send " or " yes " instruction; Resolving information comprises the mode of parsing, as resolves Chinese " data are sent in request " instruction and " permission is sent " instruction etc.
In the preferred embodiment, step S110 also comprises: the step of type of setting Transmission Control Protocol in the http protocol stack (Transmission Control Protocol, transmission control protocol) interface.The class Transmission Control Protocol interface that is provided with makes terminal software and backstage service software can on code structure, not produce change, makes that also business service is transparent, and business service is transparent to be meant that the data-interface of bottom communication layer is transparent with respect to the upper layer application layer.Avoided change, reduced cost terminal software and backstage service software peace.
In the preferred embodiment, step S110 also comprises: the step that the finger daemon service is set in the http protocol stack.Wherein, the finger daemon service is after process is accomplished a task, can't be out of service, but continue operation.Like the calculator process, after process is calculated 1 add-one operation and is obtained the result, can't be out of service, wait for next calculation task but continue operation.The finger daemon service can reduce the process initiation number of times, the time that the saving process restarts.
Step S120 is equipped with this communication protocol, and sets up communication path according to this communication protocol on first terminal and second terminal.
On first terminal and second terminal communication protocol based on the http protocol stack is set all, just can sets up communication path between first terminal like this and second terminal, realize relying between first terminal and second terminal http protocol communication through this communication protocol.Wherein, first terminal is a portable terminal, and second terminal is a server.So portable terminal can use the WAP network access server, and through the NET network access server, the traffic fee that greatly reduces the terminal use is used.
In addition, portable terminal type of calling Transmission Control Protocol interface and http protocol stack carry out data interaction.Server adopts finger daemon mode and http protocol stack to carry out data interaction.
Step S130 carries out data interaction according to this communication path.
Communication path can carry out data interaction through this communication path between first terminal and second terminal after setting up.
Above-mentioned definition support the breakpoint transmission of dynamic data based on the communication protocol of http protocol stack; Promptly refer to when downloading or uploading; To download or upload task (file or a compressed package) and be divided into several sections, each part adopts a thread to upload or download, if run into network failure; Can begin from the part of uploading or downloading to continue the part of not uploading or download the part of not downloading, begin to upload or download and there is no need accent.So can save time raising speed.
The communication protocol based on the http protocol stack of above-mentioned definition is supported the Keep-alive pattern.The Keep-Alive pattern makes the terminal arrive the connection continuous and effective of server end, and when the subsequent requests that occurs server, the Keep-Alive pattern has avoided rebuliding connection.
As shown in Figure 2, the http protocol stack that first terminal is provided with is first protocol stack, and the http protocol stack that second terminal is provided with is second protocol stack, and preferred, first terminal is a portable terminal, and second terminal is a server.First terminal and second terminal comprise according to the concrete steps that communication path carries out data interaction:
Step S210, first terminal type of the calling Transmission Control Protocol interface sends first data to first protocol stack.
First terminal is called the class Transmission Control Protocol interface that is provided with in first protocol stack and is sent first data, as sending " page turning request ".
After step S210, also comprise step: judge whether that needs send these first data, if execution in step S220 then if not, judges further then whether the time interval of sending reach Preset Time at interval, if, execution in step S220 again, otherwise do not send.Wherein, Preset Time is preestablished by user or system at interval, sends a secondary data as per 30 seconds, sends apart from last time and then sends data automatically after data time reaches 30 seconds at interval.In addition, first storage is in buffer memory.
Step S220, this first protocol stack sends to second protocol stack through http protocol with first data.
First protocol stack is packaged into the HTTP packet to first data, and the HTTP packet after the encapsulation is sent to second protocol stack through http protocol.
Step S230, second protocol stack sends to second terminal with first data, and second terminal is handled these first data and is obtained second data, and second data are turned back to second protocol stack.
Second protocol stack is transparent fully to second terminal (like server), and promptly data and first terminal (like the portable terminal) seen at second protocol stack of second terminal gone up just the same.Handle " page turning request " at second terminal, and the content that obtains after the page turning is the data of " Games for university students time started ", and the data after the page turning are returned to second protocol stack.
Step S240, second protocol stack sends to first protocol stack through http protocol with second data.
Second protocol stack can be packaged into the HTTP response packet with second data and send to first protocol stack, is that content after the page turning sends to first protocol stack for the data of " Games for university students time started " like second data.
Step S250, first terminal type of the calling Transmission Control Protocol interface obtains second data from first protocol stack.
As shown in Figure 3, in one embodiment, a kind of data interaction system comprises first terminal 310 and second terminal 320.
Be equipped with communication protocol on first terminal 310 and second terminal 320 based on the http protocol stack.On first terminal 310 and second terminal 320, define communication protocol in advance based on the http protocol stack; This communication protocol comprises based on the HHTP agreement carries out mutual solicited message, response message and resolving information; Wherein, solicited message comprises request header etc., like " data are sent in request " instruction; Response message comprises that response is first-class, like " allowing to send " or " yes " instruction; Resolving information comprises the mode of parsing, as resolves Chinese " data are sent in request " instruction and " permission is sent " instruction etc.
In the preferred embodiment, type of setting Transmission Control Protocol interface in the http protocol stack.The class Transmission Control Protocol interface that is provided with makes terminal software and backstage service software can on code structure, not produce change, makes that also business service is transparent, and business service is transparent to be meant that the data-interface of bottom communication layer is transparent with respect to the upper layer application layer.Avoided change, reduced cost terminal software and backstage service software peace.
In the preferred embodiment, the finger daemon service is set in the http protocol stack.Wherein, the finger daemon service is after process is accomplished a task, can't be out of service, but continue operation.Like the calculator process, after process is calculated 1 add-one operation and is obtained the result, can't be out of service, wait for next calculation task but continue operation.The finger daemon service can reduce the process initiation number of times, the time that the saving process restarts.Communication path is set up through this communication protocol and second terminal 320 in first terminal 310, and carries out data interaction according to this communication path.Rely on http protocol to communicate by letter between first terminal 310 and second terminal 320.Preferably, first terminal 310 is a portable terminal, and second terminal 320 is a server.WAP network insertion second terminal 320 (server) can be used in first terminal 310 (portable terminal) like this, and through the NET network insertion, the traffic fee that greatly reduces mobile phone users is used.
In addition, portable terminal type of calling Transmission Control Protocol interface and http protocol stack carry out data interaction.Server adopts finger daemon mode and http protocol stack to carry out data interaction.
Above-mentioned definition support the breakpoint transmission and the Keep-alive pattern of dynamic data based on the communication protocol of http protocol stack.
The http protocol stack that first terminal 310 is provided with is first protocol stack, and the http protocol stack that second terminal 320 is provided with is second protocol stack, and preferred, first terminal 310 is a portable terminal, and second terminal 320 is a server.First terminal 310 and second terminal 320 through the detailed process of carrying out data interaction based on the communication protocol of http protocol stack are:
(1) first terminal 310 type of calling Transmission Control Protocol interfaces send first data to first protocol stack.
First terminal is called the class Transmission Control Protocol interface that is provided with in first protocol stack and is sent first data, as sending " page turning request ".
In process (1) afterwards, first terminal 310 is used to also judge whether that needs send these first data, when needs; Implementation (2), when when not required, first terminal 310 judges further whether the time interval of sending reaches Preset Time at interval; If reached; Implementation (2) then, when when not required, first terminal 310 judges further whether the time interval of sending reaches Preset Time at interval.Wherein, Preset Time is preestablished by user or system at interval, sends a secondary data as per 50 seconds, sends apart from last time and then sends data automatically after data time reaches 50 seconds at interval.In addition, first storage is in buffer memory.
(2) this first protocol stack sends to second protocol stack through http protocol with first data.
First protocol stack is packaged into the HTTP packet to first data, and the HTTP packet after the encapsulation is sent to second protocol stack through http protocol.
(3) second protocol stacks send to 320 pairs of these first data in 320, the second terminals, second terminal with first data and handle and obtain second data, and second data are turned back to second protocol stack.
Second protocol stack is transparent fully to second terminal 320 (like server), and promptly second terminal 320 is gone up just the same at the data and first terminal 310 (like portable terminal) that second protocol stack is seen.Handle " page turning request " at second terminal 320, and the content that obtains after the page turning is the data of " Games for university students time started ", and the data after the page turning are returned to second protocol stack.
(4) second protocol stacks send to first protocol stack through HTTP with second data.
Second protocol stack can be packaged into the HTTP response packet with second data and send to first protocol stack, is that content after the page turning sends to first protocol stack for the data of " Games for university students time started " like second data.
(5) first terminal type of calling Transmission Control Protocol interfaces obtain second data from first protocol stack.
Above-mentioned data interactive method and system adopt the communication protocol based on the http protocol stack, between first terminal and second terminal, set up communication path; Carry out data interaction according to this communication path, realized first terminal, than passing through the NET network insertion through WAP network insertion second terminal; Reduced traffic fee usefulness; Reduce cost, and need not buy expensive hardware device, further reduced cost.
In addition, type of setting Transmission Control Protocol interface in this http protocol stack need not changed software on traditional terminal software and the server, saves cost; The finger daemon service is provided, saves the time of continuous startup process; Data interaction adopts http protocol mutual, and that promptly adopts HTTP shortly connects that (HTTP is stateless, carries out once-through operation; Then set up once and connect task termination, then disconnection connection; Operate next time again; Then rebulid once and connect task termination disconnection connection, so repetition) realize that the length linkage function can be more stable.
The above embodiment has only expressed several kinds of execution modes of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. data interactive method may further comprise the steps:
Definition is based on the communication protocol of http protocol stack;
On first terminal and second terminal, be equipped with said communication protocol, and set up communication path according to said communication protocol;
Carry out data interaction according to said communication path.
2. data interactive method according to claim 1 is characterized in that, said first terminal is a portable terminal, and said second terminal is a server.
3. data interactive method according to claim 1 and 2 is characterized in that, also comprises step: type of setting Transmission Control Protocol interface in said http protocol stack.
4. data interactive method according to claim 3 is characterized in that, the http protocol stack that said first terminal is provided with is first protocol stack, and the http protocol stack that second terminal is provided with is second protocol stack; The concrete steps of carrying out data interaction according to communication path comprise:
Said first terminal is called said type of Transmission Control Protocol interface and is sent first data to said first protocol stack;
Said first protocol stack sends to said second protocol stack through http protocol with said first data;
Said second protocol stack sends to said second terminal with said first data, and said second terminal obtains second data with said first data processing, and said second data are turned back to said second protocol stack;
Said second protocol stack receives said second data and sends to said first protocol stack through http protocol;
Said first terminal is called said type of Transmission Control Protocol interface and from said first protocol stack, is obtained said second data.
5. data interactive method according to claim 4; It is characterized in that; Call said type of Transmission Control Protocol interface sends first data and to the step of said first protocol stack after, also comprises at said first terminal: judge whether said first data of needs transmission; If then said first protocol stack sends to said second protocol stack with said first data through http protocol; If not, judge further then whether the time interval of transmission reaches Preset Time at interval, if then said first protocol stack sends to said second protocol stack with said first data and through http protocol.
6. data interaction system; It is characterized in that; Comprise first terminal and second terminal; Be equipped with communication protocol on said first terminal and second terminal, and said first terminal and second terminal set up communication path through said communication protocol, and carry out data interaction according to said communication path based on the http protocol stack.
7. data interaction system according to claim 6 is characterized in that, first terminal is a portable terminal, and second terminal is a server.
8. according to claim 6 or 7 described data interaction systems, it is characterized in that type of being provided with Transmission Control Protocol interface in the said http protocol stack.
9. data interaction system according to claim 8 is characterized in that, the http protocol stack that said first terminal is provided with is first protocol stack, and the http protocol stack that second terminal is provided with is second protocol stack; Said first terminal is called said type of Transmission Control Protocol interface and is sent first data to said first protocol stack; Said first protocol stack sends to said second protocol stack with said first data through http protocol; Said second protocol stack receives and sends said first data and gives said second terminal; Said second terminal receives said first data and handles and obtains second data, and said second data are turned back to said second protocol stack; Said second protocol stack receives said second data and sends to said first protocol stack through http protocol; Said first terminal is called said type of Transmission Control Protocol interface and from said first protocol stack, is obtained said second data.
10. data interaction system according to claim 9; It is characterized in that; Said first terminal is used to also judge whether that needs send said first data; When said first protocol stack go out to need sends said first data in said first terminal judges, said first data are sent to said second protocol stack through http protocol; Said first terminal also is used for judging need not send said first data time; Judge further whether the time interval of sending reaches Preset Time at interval; When said first protocol stack reaches the Preset Time interval in the time interval that said first terminal judges goes out to send, said first data are sent to said second protocol stack through http protocol.
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