CN101656737A - Realizing multi-protocol access method and interface platform - Google Patents

Realizing multi-protocol access method and interface platform Download PDF

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CN101656737A
CN101656737A CN200910172128.5A CN200910172128A CN101656737A CN 101656737 A CN101656737 A CN 101656737A CN 200910172128 A CN200910172128 A CN 200910172128A CN 101656737 A CN101656737 A CN 101656737A
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protocol
message
module
interface platform
protocol message
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CN101656737B (en
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尹宏伟
冯亚军
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Jiangsu Intellitrains Co ltd
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ZTE Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18Multiprotocol handlers, e.g. single devices capable of handling multiple protocols

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Abstract

The invention discloses a method for realizing multi-protocol access and an interface platform comprising a control module, a protocol module, a resource base, wherein each protocol corresponds to atleast one protocol module; the control module is used for forwarding to corresponding protocol module according to protocol type of a protocol message after receiving the protocol message transmittedthrough TCP/IP; the protocol module is used for converting the protocol message to an internal message to be transmitted to a service module, and converting the internal message replied from the service module to corresponding protocol message to be transmitted to TCP/IP; the resource base is used for storing related protocol information. The inventive method and the interface platform provide a unified interface for developers, which can realize accesses of various protocols, enable the developers disengaged from complex protocols, engage in development of service modules, improve developmentefficiency, reduce development cost and increase robustness of program.

Description

A kind of method and interface platform of realizing that multi-protocols insert
Technical field
The present invention relates to the interface platform technical field, relate in particular to a kind of method and interface platform of realizing that multi-protocols insert.
Background technology
Along with the fast development of telecommunications industry, needed software size is increasing, and the interface protocol of each intermodule is more and more, and structure becomes increasingly complex.The developer will also will handle needed agreement when managing business, and to agreement understand not comprehensive, or understand discrepancy arranged, the program that develops is gone wrong with docking of the opposing party.In addition, different projects often use identical agreement, and present case is, need each project all agreement to be realized, like this, both caused the waste of resource, manpower, and quality is not high yet.
The general-purpose interface platform puts together variety of protocol exactly, realized, and towards the developer, be that the developer realizes a concrete professional platform.The general-purpose interface platform provides unified interface for the developer, is about to protocol conversion and is the professional message structure of being understood.
Chinese patent CN03157824 and foreign patent US2008021963 all propose the support to multi-protocols, but all are the supports that only limits to several fixed protocol, and these protocol architectures all are very close, and towards be product.
At above the deficiencies in the prior art, be necessary to provide a kind of solution that realizes that multi-protocols insert, can support various protocols, and can make service server need not to handle variety of protocol can to finish the corresponding business function.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and interface platform of realizing that multi-protocols insert, and simple, the interface that is easy to realize of variety of protocol is provided.
In order to address the above problem, the invention provides a kind of interface platform of realizing that multi-protocols insert, comprise control module, protocol module, resources bank, every kind of corresponding at least one protocol module of agreement, wherein:
Described control module is used for, receive the protocol message of TCP (TCP/IP) transmission after, be transmitted to the corresponding protocol module according to the protocol type of described protocol message;
Described protocol module is used for, and converts described protocol message to inside story and sends to business module, and convert the inside story of business module answer to corresponding protocol message, sends to TCP/IP;
Described resources bank is used for, and preserves relevant protocol information.
Further, described control module also is used for, and is responsible for the foundation and the disconnection of link, and the link of setting up is distributed to a plurality of protocol modules in regular turn be responsible for.
Further, described business module is used for, and sends registration message to described protocol module, comprises the order code value in this registration message, and the pairing internal structure of this order code value is represented to represent with outside code stream;
Described protocol module is used for, content in the described registration message is kept in the services registry, after receiving described protocol message, if in described services registry, inquire described order code value, then described protocol message is converted to the described inside story that the pairing internal structure of described order code value is represented; After the inside story that receives described business module transmission, convert thereof into the protocol message that corresponding outside code stream is represented according to described order code value, send to TCP/IP.
Further, described protocol module is used for, and after receiving described protocol message, if fail to inquire corresponding contents in described services registry, then abandons described protocol message.
Further, described protocol module is used for, convert described protocol message to described inside story after, the information of in described inside story body, carrying protocol type and described order code value.
In addition, the present invention also provides a kind of method that realizes that multi-protocols insert, and is applied to support the interface platform of multi-protocols access, comprising:
Interface platform converts described protocol message to inside story and sends to business module after receiving the protocol message of TCP/IP transmission;
After described business module is finished business processing flow according to described inside story, reply inside story and give interface platform;
After described interface platform receives described inside story, convert corresponding protocol message to and send to TCP/IP.
Further, described interface platform realizes that by a plurality of agreement threads multi-protocols insert, and wherein, realizes the support of each agreement is specifically comprised:
The information of this agreement is supported in configuration in described interface platform;
In described interface platform, preserve the information of one or more agreement threads of supporting this agreement; And,
The information of the link that each agreement thread of preservation is responsible in described interface platform.
Further, described method also comprises:
Described business module sends registration message to described interface platform, comprises the order code value in this registration message, and the pairing internal structure of this order code value is represented to represent with outside code stream;
After described interface platform receives described registration message, content in the described registration message is kept in the services registry, after receiving described protocol message, if in described services registry, inquire described order code value, then described protocol message is converted to the described inside story that the pairing internal structure of described order code value is represented; After the inside story that receives described business module transmission, convert thereof into the protocol message that corresponding outside code stream is represented according to described order code value, send to TCP/IP.
Further, described interface platform if fail to inquire corresponding contents in described services registry, then abandons described protocol message after receiving described protocol message.
Further, after described interface platform converts described protocol message to described inside story, the information of in described inside story body, carrying protocol type and described order code value.
The present invention has following beneficial effect: for the developer provides unified interface, the developer is freed from loaded down with trivial details agreement, be absorbed in the exploitation of business module, improve development efficiency, reduce development cost, increase the robustness of program.
Description of drawings
Fig. 1 is the composition schematic diagram of the general-purpose interface platform of the embodiment of the invention;
Fig. 2 is the distributed architecture figure based on general-purpose interface platform of the present invention;
Fig. 3 is the schematic flow sheet that the realization multi-protocols of the embodiment of the invention insert;
Fig. 4 is the schematic diagram that the protocol module message conversion of platform is handled;
Fig. 5 is the schematic diagram of data stream format in the platform.
Embodiment
As shown in Figure 1, the interface platform of the realization multi-protocols of embodiment of the invention access (hereinafter also be called for short and make platform) mainly comprises: control module, protocol module and resources bank.Wherein, the major function of each module realization is as follows:
Control module is used for, and is responsible for the control of link, comprises the foundation of link and disconnection, the distribution of multilink in the multi-protocols thread; And the protocol message that TCP/IP (Transfer Control Protocol/InternetProtocol, TCP) is transmitted is transmitted to protocol module;
Protocol module is used for, and finishes the initialization of link, the transmission of the transmission of binding message and reception, heartbeat message and reception etc.; And, the translation function of message, comprise the inside story that the variety of protocol message conversion is become to adopt the needed internal structure body surface of business module to show, and will change good inside story and send to business module, otherwise, the inside story that business is sent converts corresponding protocol message to, sends to TCP/IP again, arrives the opposite end by link transmission.
Resources bank then is mainly used in preserves some public informations, as some relevant protocol informations of platform, thread operation information (as function and data structure etc.), link information etc.
Wherein, control module, each protocol module and each business module all link to each other with resources bank, and each module the time needs the function and data of preserving in the resources bank in operation.
By the general-purpose interface platform of above embodiment, make business module need not to handle again variety of protocol, can directly use the internal structure body to carry out the transmitting-receiving of data.
Further, business module makes platform understand the needed information of business module by to platform registration message (comprising command id and message structure); Protocol module is according to the registration scenarios of business module, convert protocol message to inside story (being also referred to as the internal structure body herein) that the internal structure of the desired form of business module is represented, and the internal structure body after will changing is transmitted to business module; For the message that does not have registration, platform can directly abandon.
Hereinafter will come concrete operations of the present invention are further specified in conjunction with application example of the present invention.
Fig. 2 shows the distributed architecture schematic diagram of the general-purpose interface platform of an application example of the present invention, and this general-purpose interface platform can be supported various protocols simultaneously, as smpp, and diameter, and the agreement of expansion etc.As shown in Figure 2, this general-purpose interface platform is based upon on multi-protocols, multithreading, the multilink basis, and every kind of agreement is supported by at least one agreement thread (also be called for short and make thread), and each thread is responsible for multilink.
From physical structure, the resources bank of platform is equivalent to a dynamic link library, comprising the entrance function of whole process entrance function and worker thread.For each agreement, all there is a dynamic base corresponding with it, like this, when increasing the support of certain agreement, platform just easily, only need write a kind of dynamic base of supporting this agreement.The variety of protocol of expansion can be realized on this platform architecture.In addition, every kind of business also has only a dynamic base corresponding with it, and platform can start a plurality of professional thread with a kind of agreement.
Following docking port platform is realized the specific operation process of the support of certain agreement is illustrated.
The present invention uses in the example, and the communication structure of agreement thread and professional thread is as shown in the table:
Figure A20091017212800081
Wherein, each explanation of field is as follows:
1. link information index value: when protocol module sent inside story to business module, this field was the index value of source socket (socket), promptly represents message from which link to send; When business module sent inside story to protocol module, this field was the index value of purpose socket, promptly represents message will send to which link;
2. protocol type: this field works when protocol module sends inside story to business module;
3. order code value: this field is used to make business module to know the effect of this message, promptly carries out which kind of Business Processing;
4. explosion command code value: in some agreement, an order code value is not enough to distinguish the effect of message, or request is identical with the order code value of replying, thus can add this field, to reach the differentiation same protocol, the effect of different messages;
5. sequence number: this field is used for request is mapped with replying, and in request message and response message, this field must be identical;
Wherein, 1.-5. be message header.
6. being the control messages of platform inside, is message body in this message header back, and by the foreign key stream translation, its length is unfixing.
Concrete operating procedure is as follows:
Step 1, write entrance function with fixing interface;
For example: void mainProc (UINT8 far *LpMsg, UINT8 far *LpNULL0, UINT8 far *LpNULL1);
Step 2, after platform initialization finishes, can send the message that initialization finishes to each module (control module, protocol module and business module), protocol module can be finished the initialization of oneself in this message the inside;
Step 3, control module can send the message of link establishment success to the agreement thread of being responsible for this link after link establishment; Professional thread also can send registration message to the agreement thread.After these two message all arrived, if agreement needs, the agreement thread can be according to log-on message, to this link transmission binding message of firm foundation;
Step 4, according to the agreement needs, timer is set, regularly send heartbeat message, or when receiving heartbeat request, return heartbeat and reply to link;
Step 5, write and change foreign key circulation into the inside story code, change the foreign key circulation into business module needed structure, and be attached to message header (1.-5.) back, fill in data 1.-5. in the message header, send to business module;
Step 6, write the code that inside story converts outside code stream to, 6. convert message body to outside code stream after, with outside code stream send to the link information index value 1. in pairing link.
Fig. 3 shows the program circuit of the support multi-protocols access of the embodiment of the invention, after the platform main program starts, from configuration file, read agreement, thread and link information, and from resources bank, read the entrance function of related protocol and create thread, initialization data according to these information.Its idiographic flow is as follows:
Step 301,302: behind the process initiation, each professional thread (function of each protocol module is realized by at least one thread of supporting this agreement) initiatively is every link link setup of its management, and for example, the smpp protocol module sends connect message to TCP/IP;
Step 303,308: after professional thread started, to the registration of agreement thread, registration content comprised order code value (cmd), and the pairing internal structure of code value represents that (instruct) and outside code stream represent therewith;
Wherein, in conjunction with Fig. 4 and Fig. 5, agreement thread and professional thread chien shih represent that with internal structure TCP/IP and agreement cross-thread use outside code stream to represent;
Adopt internal structure body 1 between business module and the smpp protocol module, and adopt internal structure body 2 between the diameter protocol module; Adopt the smpp message flow between smpp protocol module and the TCP/IP, adopt the diameter message flow between diameter protocol module and the TCP/IP.
Step 304,309: the initializtion protocol thread moves needed data, the needed user name of smpp protocol binding for example, information such as password and heart time;
Step 305,310: professional thread notification protocol thread initialization finish (Init finish);
After step 306,311 above-mentioned steps were finished, the agreement thread can be in following two conditions: one, physical link was set up; Two, professional thread has been finished initialization, under the situation about all satisfying, sends binding message to link, carries out the user identity verification;
Step 307,312:TCP/IP return binding response message (bind rsp);
So far, the connection of operation layer is set up, and beginning heartbeat timing.
Step 313-316: after step 307 or step 312 pick up counting, arrive in the step 304 behind the initialized heart time of institute, the agreement thread sends and the pairing heartbeat message of variety of protocol to TCP/IP;
Step 317: after the agreement thread is received the message that TCP/IP sends, at first message is decoded, whether and judge heartbeat message or other link maintenance message according to order code value (as the COMMAND_ID of smpp agreement), if then the agreement thread directly carries out respective handling by existing procedure; Otherwise, the agreement thread is with inquiry business registration table (in the step 303), if find the order code value that comprises in the external message that TCP sends, then represent to represent with outside code stream according to the internal structure of this order code value correspondence, convert message body to professional needed internal structure body message, and carry out next step;
Step 318: the agreement thread adds message header before the inside story body, comprises information such as protocol type, order code value, source socket_id, and poll sends to professional thread;
Step 319: professional thread offsets breath handle after, according to routing iinformation, fill in purpose socket_id, and send to the agreement thread of appointment;
Step 320: after the agreement thread is received the message of professional thread, convert thereof into the protocol message that corresponding outside code stream is represented according to the order code value again, send to TCP/IP.
Above-mentioned embodiment is that concrete application of the present invention is given an example; should be understood that; concerning the those of ordinary skill in field, the technology of the present invention place; can also be equal to change or replacement accordingly according to technical scheme of the present invention and design thereof in actual applications; and all these changes or replacement all should belong to the protection range of claims of the present invention.

Claims (10)

1, a kind of interface platform of realizing that multi-protocols insert is characterized in that, comprises control module, protocol module, resources bank, and every kind of corresponding at least one protocol module of agreement, wherein:
Described control module is used for, receive the protocol message of TCP (TCP/IP) transmission after, be transmitted to the corresponding protocol module according to the protocol type of described protocol message;
Described protocol module is used for, and converts described protocol message to inside story and sends to business module, and convert the inside story of business module answer to corresponding protocol message, sends to TCP/IP;
Described resources bank is used for, and preserves relevant protocol information.
2, platform as claimed in claim 1 is characterized in that,
Described control module also is used for, and is responsible for the foundation and the disconnection of link, and the link of setting up is distributed to a plurality of protocol modules in regular turn be responsible for.
3, platform as claimed in claim 1 is characterized in that,
Described business module is used for, and sends registration message to described protocol module, comprises the order code value in this registration message, and the pairing internal structure of this order code value is represented to represent with outside code stream;
Described protocol module is used for, content in the described registration message is kept in the services registry, after receiving described protocol message, if in described services registry, inquire described order code value, then described protocol message is converted to the described inside story that the pairing internal structure of described order code value is represented; After the inside story that receives described business module transmission, convert thereof into the protocol message that corresponding outside code stream is represented according to described order code value, send to TCP/IP.
4, platform as claimed in claim 3 is characterized in that,
Described protocol module is used for, and after receiving described protocol message, if fail to inquire corresponding contents in described services registry, then abandons described protocol message.
5, as claim 3 or 4 described platforms, it is characterized in that,
Described protocol module is used for, convert described protocol message to described inside story after, the information of in described inside story body, carrying protocol type and described order code value.
6, a kind of method that realizes that multi-protocols insert is applied to the interface platform of supporting that multi-protocols insert, it is characterized in that, comprising:
Interface platform converts described protocol message to inside story and sends to business module after receiving the protocol message of TCP/IP transmission;
After described business module is finished business processing flow according to described inside story, reply inside story and give interface platform;
After described interface platform receives described inside story, convert corresponding protocol message to and send to TCP/IP.
7, method as claimed in claim 6 is characterized in that,
Described interface platform realizes that by a plurality of agreement threads multi-protocols insert, and wherein, realizes the support of each agreement is specifically comprised:
The information of this agreement is supported in configuration in described interface platform;
In described interface platform, preserve the information of one or more agreement threads of supporting this agreement; And,
The information of the link that each agreement thread of preservation is responsible in described interface platform.
8, as claim 6 or 7 described methods, it is characterized in that described method also comprises:
Described business module sends registration message to described interface platform, comprises the order code value in this registration message, and the pairing internal structure of this order code value is represented to represent with outside code stream;
After described interface platform receives described registration message, content in the described registration message is kept in the services registry, after receiving described protocol message, if in described services registry, inquire described order code value, then described protocol message is converted to the described inside story that the pairing internal structure of described order code value is represented; After the inside story that receives described business module transmission, convert thereof into the protocol message that corresponding outside code stream is represented according to described order code value, send to TCP/IP.
9, method as claimed in claim 8 is characterized in that,
Described interface platform if fail to inquire corresponding contents in described services registry, then abandons described protocol message after receiving described protocol message.
10, method as claimed in claim 8 is characterized in that,
After described interface platform converts described protocol message to described inside story, the information of in described inside story body, carrying protocol type and described order code value.
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