CN101047704A - Data base access system, device and method based on session initiate protocol network - Google Patents
Data base access system, device and method based on session initiate protocol network Download PDFInfo
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- CN101047704A CN101047704A CN 200610066393 CN200610066393A CN101047704A CN 101047704 A CN101047704 A CN 101047704A CN 200610066393 CN200610066393 CN 200610066393 CN 200610066393 A CN200610066393 A CN 200610066393A CN 101047704 A CN101047704 A CN 101047704A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
Abstract
This invention discloses a database access system based on SIP network including: a SIP applied server, a database and a database access interface device, in which, the database access interface device includes an applied server end interface unit and a database end interface unit collocated at the applied server end and the database end to carry out transmission of enquiry request and result-return of the database by the SIP message. This invention also discloses a database access method based on the SIP network, which can realize remote access of databases by the present SIP messages in the SIP network.
Description
Technical field
The present invention relates to Session initiation Protocol (SIP, Session Initiation Protocol) application technology, particularly relate to a kind of data base access system and method based on the SIP network.
Background technology
SIP is a kind of Internet protocol (Internet Protocol, IP) call signaling protocol that is proposed by Internet engineering group (IETF).Its initial purpose is to control for the signaling that solves in the IP network, and the communication of same sip agent (SIP proxy), thereby constitutes follow-on value-added service platform, provides better value-added service to industries such as telecommunications, bank, finance.
SIP is the part of ietf standard process, and it is to set up on the basis such as simple message transfer protocol (SMTP) (SMTP) and HTTP agreements such as (HTTP).SIP is described to generating, revise and terminate session between one or more participants, and these sessions comprise internet multimedia meeting, internet (or any IP network) call and multimedia issue.SIP also supports other the novel business under the IP network: as instant message, voice conferencing and unified message etc.In addition, SIP has become the call control protocol of third generation communication service.
Therefore, because SIP has simply, is easy to expand, is convenient to plurality of advantages such as realization, it progressively becomes intelligent network (NGIN of future generation, Next Generation Intelligent Network) and the important protocol in third generation network (3G) multimedia subsystem domain, and client software and intelligent multimedia terminal that increasing support SIP occurred, and server and the Softswitch realized with Session Initiation Protocol.
The SIP business is the application that realizes according to Session Initiation Protocol, for example IP phone (Voice over InternetProtocol, VoIP) professional, attend that (Presence) is professional, instant message (IM) business, or the like.
Fig. 1 shows the structure of SIP network.As can be seen from Figure 1, sip user agent is connected to sip application server by sip agent.
Sip application server (SIP AS, SIP Application Server) be control and carry out be stored thereon, based on the functional entity of the business of Session Initiation Protocol, be to use the most important parts of SIP as the communication network of Multimedia session control protocol.Sip application server has the effect of back-to-back user agent server (B2BUA, Back-to-Back User Agent), and sip agent obtains information with routing call from sip application server.Because sip application server provides the central entity of value-added service, therefore, the storage user that it comprises and the database of business datum are very huge, and the corresponding database management is bigger to the influence of SIP service logic.Therefore, preferably adopt distributed database structure that the SIP service logic is separated with data base administration.
The general employing such as network Java database of prior art connects (JDBC, Java DataBaseConnectivity) is connected (ODBC with open database, Open DataBase Connectivity) etc. technology realizes the distributed data base access structure, but these methods rely on employed programming language to a great extent, and industry does not use JDBC and ODBC to realize the unified standard of distributed data base visit, different SIP has different realization standards when being applied in the visit distributed data base, causes the data between the different application to be difficult to merge.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of data base access system based on the SIP network, apparatus and method, utilizes sip message to realize the distributed data base access mechanism.
The objective of the invention is to be achieved through the following technical solutions:
A kind of data base access system based on the SIP network comprises sip application server and database and database access interface device, and described database access interface device comprises application server end interface unit and database side interface unit; Wherein
Application server end interface unit, the database query command that sip application server is sent is sent to the database side interface unit by first sip message, and, be sent to sip application server after from second sip message that the database side interface unit is sent, parsing database query result;
The database side interface unit, be sent to database after from first sip message that application server end interface unit is sent, parsing database query command, and the database query result that database is sent is sent to application server end interface unit by second sip message.
Described application server end interface unit comprises: request encapsulation unit and resolution unit as a result; Described database side interface unit comprises: request analysis unit and encapsulation unit as a result; Wherein
The request encapsulation unit, the database query command that sip application server is sent is encapsulated in first sip message and is sent to the request analysis unit;
The request analysis unit parses database query command, and database query command is sent to database from first sip message that the request encapsulation unit is sent;
Encapsulation unit as a result, the database query result that database is sent is encapsulated in second sip message and is sent to resolution unit as a result;
Resolution unit parses database query result, and database query result is sent to sip application server from second sip message that encapsulation unit is sent as a result as a result.
A kind of database access interface device based on the SIP network comprises application server end interface unit and database side interface unit; Wherein
Application server end interface unit, the database query command that sip application server is sent is sent to the database side interface unit by first sip message, and, be sent to sip application server after from second sip message that the database side interface unit is sent, parsing database query result;
The database side interface unit, be sent to database after from first sip message that application server end interface unit is sent, parsing database query command, and the database query result that database is sent is sent to application server end interface unit by second sip message.
Described application server end interface unit comprises: request encapsulation unit and resolution unit as a result; Described database side interface unit comprises: request analysis unit and encapsulation unit as a result; Wherein
The request encapsulation unit, the database query command that sip application server is sent is encapsulated in first sip message and is sent to the request analysis unit;
The request analysis unit parses database query command, and database query command is sent to database from first sip message that the request encapsulation unit is sent;
Encapsulation unit as a result, the database query result that database is sent is encapsulated in second sip message and is sent to resolution unit as a result;
Resolution unit parses database query result, and database query result is sent to sip application server from second sip message that encapsulation unit is sent as a result as a result.
Described application server end interface unit and sip application server are positioned at same physical entity; Described database side interface unit and database are positioned at same physical entity.
A kind of data bank access method based on the SIP network comprises:
A, the database query command of sip application server is sent to database side by first sip message;
B, be sent to database after from first sip message, parsing database query command;
C, database is carried out the database query result that described database query command generates be sent to the sip application server end by second sip message;
D, be sent to sip application server after from second sip message, parsing database query result.
Step a is described to be sent to database side with the data query order by first sip message and to comprise: the database query command that sip application server is sent is encapsulated in the message body of first sip message, sends first sip message to database side;
Step b is described to parse from first sip message and is sent to database behind the database query command and comprises: parse database query command from the message body of first sip message, send database query command to database.
Step c is described to be sent to sip application server with database query result by second sip message and to comprise: database is carried out the database query result that described database query command generates be encapsulated in the message body of second sip message, send second sip message to sip application server;
Steps d is described to parse from second sip message and is sent to sip application server behind the database query result and comprises: parse database query result from the message body of second sip message, send database query result to sip application server.
Before the step a, further comprise: utilize first and second sip messages to carry out the incident bag of database access increasing respectively on the sip application server and on the database.
Described first sip message is a SUBSCRIBE message; Described second sip message is a NOTIFY.
As can be seen from the above technical solutions, the database access interface device is set between sip application server and database, the database query command that this database access interface device is sent sip application server is sent to database by first sip message, and database is carried out the database query result that generates behind the described database query command return sip application server by second sip message.Thereby realized utilizing existing sip message to carry out remote database access, avoid adopting technology access distributed data base techniques such as existing JDBC and ODBC are caused to programming language rely on and different application between the data problem that is difficult to merge.
Description of drawings
Fig. 1 is a kind of structural representation of SIP network.
Fig. 2 is the structural representation based on the data base access system of SIP network of one embodiment of the present invention.
Fig. 3 is the structural representation of the database access device of one embodiment of the present invention.
Fig. 4 is the data bank access method flow chart based on the SIP network of one embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Core concept of the present invention is: sip application server is connected by the data access interface device with database, to utilize the visit of sip message fulfillment database.The database access interface device is arranged in application server end and database side respectively, adopts sip message to carry out the query requests and the return results of database between application server end and database side.
Fig. 2 is the data base access system structure chart based on the SIP network of one embodiment of the present invention.As shown in Figure 2, this system comprises sip application server, database and database access interface device, and sip application server is connected with database by the database access interface device.By described database access interface device, can utilize the visit of sip message fulfillment database.
Fig. 3 shows the structural representation of the database access device of one embodiment of the present invention.As shown in Figure 3, the database access interface device is divided into database side interface unit and application server end interface unit.Application server end interface unit is positioned on sip application server side or the sip application server, and application server end interface unit comprises request encapsulation unit, resolution unit as a result; The database side interface unit is arranged in database side or database, and the database side interface unit comprises request analysis unit and encapsulation unit as a result.
Its signal flow is as follows: the request encapsulation unit is encapsulated in database query command in the inquiry request message when receiving the database query command that sip application server sends, and is sent to the request analysis unit; The request analysis unit receives this inquiry request message, parses the database query command that carries in this message, and this database query command is sent to database; Encapsulation unit is when receiving the database query result that database sends as a result, and database query result is encapsulated in as a result in the feedback message, is sent to resolution unit as a result; Resolution unit receives this feedback message as a result as a result, parses the database query result that carries in this message, and this database query result is sent to sip application server.
Described inquiry request message and as a result feedback message be sip message.
Preferably, described database query command and database query result are SQL statement, and this SQL statement is carried at inquiry request message and as a result in the message body of feedback message.
Preferably, the type of described inquiry request message is the SUBSCRIBE message of SIP definition, and the type of described feedback message as a result is the NOTIFY of SIP definition.
This shows,, need not the visit of concrete database programming language fulfillment database because data base querying and result's feedback can realize utilizing the purpose of sip message fulfillment database visit by the sip message carrying.
Based on said system, the present invention also provides a kind of data bank access method.Fig. 4 is the flow chart based on the data bank access method of SIP network of one embodiment of the present invention.In this preferred embodiment, the database access interface device has been carried out relative set, so that it can generate and resolve SUBSCRIBE and NOTIFY.From Fig. 4 as seen, present embodiment comprises following steps:
Step 401: the database access interface device is set, is exactly particularly, the request encapsulation unit is set, make it can generate the SUBSCRIBE message that comprises sql command; The request analysis unit is set, makes it from SUBSCRIBE message, parse sql command; Encapsulation unit as a result is set, makes it can generate the NOTIFY that comprises SQL result; Resolution unit as a result is set, makes it can from NOTIFY, parse SQL result.
Preferably, can by in request encapsulation unit, request analysis unit, encapsulation unit and increase the incident bag that utilizes SUBSCRIBE and NOTIFY to carry out database access on the resolution unit as a result and realize above-mentioned functions as a result.
Step 402: when the request encapsulation unit of application server end receives the sql command that sip application server sends, this sql command is encapsulated in the SUBSCRIBE message, is sent to the request analysis unit of database side.
An example of SUBSCRIBE message is as follows:
Message header:
SUBSCRIBE?sip:dbresource-example@example.com?SIP/2.0
Via:SIP/2.0/TCP?proxy.example.com；branch＝z9hG4bKnashds7
To:<sip:dbresource-example@example.com>
From:<sip:user@example.com>；tag＝xfg9
Call-ID:2010@proxy.example.com
CSeq:17766?SUBSCRIBE
Max-Forwards:70
Event:remote-db
Content-Type:application/4g-sql
Expires:600
Content-Lenghh:...
Message body:
Maximum?Rows?Returned:1000
Return?SQL?Error?Code:True
SQL-1:Select?balance，bonus?from?basetable_example?where?userid＝3456789；
SQL-2:update?basetable_example?set?userid＝1234?where?userid＝567890；
SQL-3:execute?execute_example(23，25，67).
From the example of above-mentioned SUBSCRIBE message as seen, message body has been carried three sql commands.
These three orders are respectively:
Article one: the value of inquiry userid field is the remaining sum (balance) and the integration (bonus) of 3456789 record from the basetable_example list;
Second: the value that with the value of userid field in the basetable_example list is the userid field of 567890 record is updated to 1234;
Article three: carry out execute_example (23,25,67).Being specially and carrying out a storing process, is parameter in the bracket.
Step 403: the request analysis unit of database side receives described SUBSCRIBE message, parses three sql commands that carry from the message body of this SUBSCRIBE message, and these three sql commands are sent to database.
Step 404: after database executes above-mentioned three sql commands and generates three SQL results, be sent to the encapsulation unit as a result of database side.
Step 405: the encapsulation unit as a result of database side is encapsulated in the SQL result who is generated in the NOTIFY, is sent to the resolution unit as a result of application server end.
An example of NOTIFY is as follows:
Message header:
NOTIFY?sip:user@example.com?SIP/2.0
Via:SIP/2.0/TCP?proxy.example.com；branch＝z9hG4bKna998sk
From:<sip:dbresource-example@example.com>；tag＝ffd2
To:<sip:user@example.com>；tag＝xfg9
Call-ID:2010@proxy.example.com
Event:remote-db
Subscription-State:active；expires＝599
Max-Forwards:70
CSeq:8775?NOTIFY
Content-Type:application/4g-sql
Content-Length:...
Message body:
SQL?Result-1:Success
20000|500
SQL?Result-2:Error
234
SQL?Result-3:Success
From the example of above-mentioned NOTIFY as seen, message body has been carried three SQL results, three sql commands that carry in the corresponding respectively above-mentioned SUBSCRIBE message.
These three SQL results are respectively:
Article one: run succeeded, the value that finds the userid field from the basetable_example list is that the value of the balance field of 3456789 record is 20000, and the value of bonus field is 500; If return many records, next bar is recorded in next line;
Second: execution error, error code are 234;
Article three: run succeeded.
From above SQL result as seen, when returning error message, also can return error code simultaneously.
Step 406: the resolution unit as a result of application server end receives described NOTIFY, parses three SQL results that carry from the message body of this NOTIFY, and these three SQL results are sent to sip application server.
Should be appreciated that the present invention is not limited to and uses SUBSCRIBE and NOTIFY to carry out database access, comprise that also the message that the SIP that uses other any appropriate defines carries out database access, and define new sip message and carry out data access.When using other sip messages to carry out database access, only need the database access interface device is carried out relative set, so that its sip message that can generate and resolve respective type gets final product, do not repeat them here.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1, a kind of data base access system of dialogue-based initiation protocol SIP network, comprise sip application server and database, it is characterized in that, further comprise the database access interface device, described database access interface device comprises application server end interface unit and database side interface unit;
Application server end interface unit, the database query command that sip application server is sent is sent to the database side interface unit by first sip message, and, be sent to sip application server after from second sip message that the database side interface unit is sent, parsing database query result;
The database side interface unit, be sent to database after from first sip message that application server end interface unit is sent, parsing database query command, and the database query result that database is sent is sent to application server end interface unit by second sip message.
2, system according to claim 1 is characterized in that, described application server end interface unit comprises: request encapsulation unit and resolution unit as a result; Described database side interface unit comprises: request analysis unit and encapsulation unit as a result; Wherein
The request encapsulation unit, the database query command that sip application server is sent is encapsulated in and is sent to the request analysis unit in first sip message;
The request analysis unit parses database query command, and database query command is sent to database from first sip message that the request encapsulation unit is sent;
Encapsulation unit as a result, the database query result that database is sent is encapsulated in and is sent to resolution unit as a result in second sip message;
Resolution unit parses database query result, and database query result is sent to sip application server from second sip message that encapsulation unit is sent as a result as a result.
3, system according to claim 1 is characterized in that, described application server end interface unit and sip application server are positioned at same physical entity; Described database side interface unit and database are positioned at same physical entity.
According to each described system in the claim 1 to 3, it is characterized in that 4, described first sip message is for subscribing SUBSCRIBE message; Described second sip message is the notice NOTIFY.
5, a kind of database access interface device based on the SIP network is characterized in that, comprises application server end interface unit and database side interface unit; Wherein
Application server end interface unit, the database query command that sip application server is sent is sent to the database side interface unit by first sip message, and, be sent to sip application server after from second sip message that the database side interface unit is sent, parsing database query result;
The database side interface unit, be sent to database after from first sip message that application server end interface unit is sent, parsing database query command, and the database query result that database is sent is sent to application server end interface unit by second sip message.
6, device according to claim 5 is characterized in that, described application server end interface unit comprises: request encapsulation unit and resolution unit as a result; Described database side interface unit comprises: request analysis unit and encapsulation unit as a result; Wherein
The request encapsulation unit, the database query command that sip application server is sent is encapsulated in first sip message and is sent to the request analysis unit;
The request analysis unit parses database query command, and database query command is sent to database from first sip message that the request encapsulation unit is sent;
Encapsulation unit as a result, the database query result that database is sent is encapsulated in second sip message and is sent to resolution unit as a result;
Resolution unit parses database query result, and database query result is sent to sip application server from second sip message that encapsulation unit is sent as a result as a result.
7, device according to claim 5 is characterized in that, described application server end interface unit and sip application server are positioned at same physical entity; Described database side interface unit and database are positioned at same physical entity.
According to each described device in the claim 5 to 7, it is characterized in that 8, described first sip message is a SUBSCRIBE message; Described second sip message is a NOTIFY.
9, a kind of data bank access method based on the SIP network is characterized in that, comprising:
A, the database query command of sip application server is sent to database side by first sip message;
B, be sent to database after from first sip message, parsing database query command;
C, database is carried out the database query result that described database query command generates be sent to the sip application server end by second sip message;
D, be sent to sip application server after from second sip message, parsing database query result.
10, method according to claim 9, it is characterized in that, step a is described to be sent to database side with the data query order by first sip message and to comprise: the database query command that sip application server is sent is encapsulated in the message body of first sip message, sends first sip message to database side;
Step b is described to parse from first sip message and is sent to database behind the database query command and comprises: parse database query command from the message body of first sip message, send database query command to database.
11, method according to claim 9, it is characterized in that, step c is described to be sent to sip application server with database query result by second sip message and to comprise: database is carried out the database query result that described database query command generates be encapsulated in the message body of second sip message, send second sip message to sip application server;
Steps d is described to parse from second sip message and is sent to sip application server behind the database query result and comprises: parse database query result from the message body of second sip message, send database query result to sip application server.
12, method according to claim 9 is characterized in that, before the step a, further comprises: utilize first and second sip messages to carry out the incident bag of database access increasing respectively on the sip application server and on the database.
According to each described method in the claim 9 to 12, it is characterized in that 13, described first sip message is a SUBSCRIBE message; Described second sip message is a NOTIFY.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610066393 CN101047704A (en) | 2006-04-05 | 2006-04-05 | Data base access system, device and method based on session initiate protocol network |
| PCT/CN2007/000621 WO2007112649A1 (en) | 2006-04-05 | 2007-02-27 | A system, device and method for accessing database based on session initiation protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610066393 CN101047704A (en) | 2006-04-05 | 2006-04-05 | Data base access system, device and method based on session initiate protocol network |
Publications (1)
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| CN101047704A true CN101047704A (en) | 2007-10-03 |
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| CN 200610066393 Pending CN101047704A (en) | 2006-04-05 | 2006-04-05 | Data base access system, device and method based on session initiate protocol network |
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| WO (1) | WO2007112649A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237449B (en) * | 2008-02-01 | 2012-08-22 | 中国建设银行股份有限公司 | Method and system for access to IMS database |
| CN101515931B (en) * | 2009-03-24 | 2012-09-19 | 北京理工大学 | Method for enhancing the database security based on agent way |
| US8446840B2 (en) | 2011-02-28 | 2013-05-21 | Hauwei Technologies Co., Ltd. | TCP proxy insertion and uninstall method, and service gateway device |
| CN103577465A (en) * | 2012-08-02 | 2014-02-12 | 亿赞普(北京)科技有限公司 | System data processing system and method |
| CN106372162A (en) * | 2016-08-31 | 2017-02-01 | 天津南大通用数据技术股份有限公司 | Extension method and device of database cluster application |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6961334B1 (en) * | 2001-03-29 | 2005-11-01 | Sonus Networks, Inc. | Intelligence engine |
| KR100475186B1 (en) * | 2002-12-02 | 2005-03-10 | 삼성전자주식회사 | Terminal registration method using Session Initiation Protocol |
| JP3920788B2 (en) * | 2003-02-19 | 2007-05-30 | 日本電信電話株式会社 | SIP communication control device |
| EP1583312A1 (en) * | 2004-04-02 | 2005-10-05 | France Telecom | Apparatuses and method for controlling access to an IP multimedia system from an application server |
-
2006
- 2006-04-05 CN CN 200610066393 patent/CN101047704A/en active Pending
-
2007
- 2007-02-27 WO PCT/CN2007/000621 patent/WO2007112649A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237449B (en) * | 2008-02-01 | 2012-08-22 | 中国建设银行股份有限公司 | Method and system for access to IMS database |
| CN101515931B (en) * | 2009-03-24 | 2012-09-19 | 北京理工大学 | Method for enhancing the database security based on agent way |
| US8446840B2 (en) | 2011-02-28 | 2013-05-21 | Hauwei Technologies Co., Ltd. | TCP proxy insertion and uninstall method, and service gateway device |
| CN103577465A (en) * | 2012-08-02 | 2014-02-12 | 亿赞普(北京)科技有限公司 | System data processing system and method |
| CN106372162A (en) * | 2016-08-31 | 2017-02-01 | 天津南大通用数据技术股份有限公司 | Extension method and device of database cluster application |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007112649A1 (en) | 2007-10-11 |
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Open date: 20071003 |