CN101087446A - A system and method for cluster session - Google Patents
A system and method for cluster session Download PDFInfo
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Abstract
The invention discloses a group conversation system which comprises expanding identification language file managing server, expanding identification language file managing client, special operation engine server and special operation engine client, thereinto expanding identification language file managing server at least includes function limiting module, said function limiting module is used to store authorization strategy list; special operation engine server at least includes function analysis module, said function analysis module is used to analyze operation request sent by client and judge permitting or forbidding said request. The invention also discloses a managing method of group conversation, by the method, authorization strategy list set by dynamically updating managing client, and group conversation can be control and managed in time. Based on the invention, authorization strategy list set by dynamically updated, conversation management can be realized flexibly and efficiently.
Description
Technical field
The present invention relates to the internet and the communications field, particularly relate to the system and method for a group conversation.
Background technology
In the communication system, as IM, among the PoC, the group that exists systemic presupposition or user to create is used for user's contact person is classified at present.Existing system mainly is made up of following entity as shown in Figure 1: the XDM client provides the entity of visiting the XDM server; Aggregation Proxy (Aggregation Proxy) is carried out the authentication to the XDM client, and route XML (extensible Markup Language) configuration access agreement XCAP asks correct XDM server, to support charging; Shared XDMS (Shared XDMS), sharing the XDM server provides authentication, management and informing function, supports the URI tabulation, and wherein the URI tabulation comprises group, acceptance tabulation, the refusal tabulation of being reused by the different business engine; Specific transactions engine XDM server (Enabler SpecificXDMs) is used to store and manage the XML XML (extensible Markup Language) document of specific transactions engine, and specific transactions can be a presence service, PoC service or IM business etc.; Specific transactions engine server (EnablerSpecific Server) is the major function entity of native system, and when the specific transactions engine was the server of certain concrete business, the specific transactions engine server was finished the function of corresponding service server.In the standard that open mobile alliance OMA is formulated, a shared XDM server (Shared XDMS) is set deposits the reusable unified resource identifiers, URIs of each specific service enabler list information, for miscellaneous service such as PoC, Presence etc. are professional to be used; The XDM server of specific transactions engine also can be stored group's document of specific transactions in addition, and strategy and configuration documentation.
In the prior art scheme, the document by the XDM client is created is kept at it among XDMS that shares XDMS and certain specific transactions by Aggregation Proxy.Wherein policy document comprises a rule set, and this rule set is represented this session participant's delegated strategy.Rule set is made up of 0 or a plurality of rule, and each rule is made up of a condition subitem and a behavior subitem.The condition subitem is used for defining or describes a certain user ID set; The member that the behavior subitem is used for describing in this user's set has any authority, prior art only is defined into the rank of session, promptly can only control the user and whether can initiate or participate in session, can not be controlled at whether the user can send behaviors such as picture in the session, the authority that is present member is very simple, only comprise the adding session, invite functions such as other people add, do not comprise the control of authority that sends content of multimedia.
In existing system in the cluster conversation, delegated strategy is set and delegated strategy tabulation is sent to the specific transactions engine server to the XDM server by administrative client (as the XDM client among Fig. 2) and revise delegated strategy by the XDM server, revises successfully after then setting finish.In conjunction with shown in Figure 2, describe group and set up the process of session and session.
1.XDM client sends to the XDM server delegated strategy list request message is set;
2.XDM server is revised successfully to XDM client echo reply message;
3. the specific transactions engine server obtains the delegated strategy tabulation to the XDM server requests;
4.XDM server returns response " ok " message to the specific transactions engine server, carries the delegated strategy tabulation in the message, the described delegated strategy tabulation that the storage of specific transactions engine server receives;
5. requesting client (being specific transactions engine client among Fig. 2) initiates a session request to the specific transactions engine server, the specific transactions engine server carries out authentication to conversation request, judges according to local stored authorized Policy List whether requesting client has the authority of conversation request content;
6. according to authenticating result, allow to carry out corresponding request content, otherwise will ask the result of failure to return to requesting client if requesting client has the authority of request content.
In existing system, in the cluster conversation process, delegated strategy can not be changed immediately and come into force, the change that is delegated strategy can not be applied in this session, can only in session next time, just can come into force, then administrative client to the management of session can not be in time, realize flexibly, management provides the method that dynamically updates mandate to technical scheme of the present invention at cluster conversation, make administrative client in the cluster conversation process, can in time change its mandate, change session participant's authority, effectively, management group group session neatly.
Summary of the invention
The system that the purpose of this invention is to provide a group conversation can upgrade the delegated strategy of session participation client in the cluster conversation process and dispose, and the control session participates in the function that client sends various media informations; Another object of the present invention provides the method for cluster conversation, can dynamically update session and participate in the client-side session authority, realizes management and group more flexibly.
The present invention realizes by following proposal.
The invention provides a kind of cluster group conversational system and comprise XML (extensible Markup Language) document management server, XML (extensible Markup Language) document management client, specific transactions engine server and specific transactions engine client, and described XML (extensible Markup Language) document management server is used to store the delegated strategy tabulation;
Described specific transactions engine server is used to resolve the requesting client that receives and initiates service request, and tabulation judges whether the described request client has the authority of described service request content according to delegated strategy;
Described XML (extensible Markup Language) document management client is used for the authority according to the delegated strategy list configuration client that receives.
Further, described XML (extensible Markup Language) document management server comprises the functional specification module at least, and described functional specification module is used to store the delegated strategy tabulation;
At least comprise the biological function explore module in the described specific transactions engine server, described biological function explore module is used for resolving the reception client and initiates service request, and judges whether to allow described service request.
Described XML (extensible Markup Language) document management client also comprises the authority configuration module, and described authority configuration module is used for the authority according to the delegated strategy list configuration client that receives.
Described specific transactions engine client also comprises the service request module, and described service request module is used for initiating to the specific transactions engine server professional.
Further, XML (extensible Markup Language) document management client is upgraded stored authorized Policy List in the described XML (extensible Markup Language) document management server, upgrade configuration or cancellation configuration that described delegated strategy specifically also comprises following one or more authorities: send picture function, send file function, the file-sharing function, initiate the video session function, send the text message function.
Further, the request of being specially of described service request sends picture or sends file or file-sharing or initiation video session or transmission text message.
Further, described specific transactions engine server also is used for subscribing to the XML (extensible Markup Language) document management server change of delegated strategy tabulation, and the described delegated strategy that storage is obtained is tabulated.
The present invention also provides the management method of a group conversation, comprises step:
Administrative client sends the request message that the delegated strategy tabulation is set to first server;
First server is revised local stored authorized Policy List according to the delegated strategy tabulation of obtaining renewal.
Further, described first server is revised after the local stored authorized Policy List according to the delegated strategy tabulation of obtaining renewal, comprise that also first server sends delegated strategy tabulation Notification of Changes to second server, carries the delegated strategy tabulation of renewal in the described Notification of Changes;
Second server obtains the delegated strategy tabulation back of renewal and returns response message to first server, and revises local delegated strategy tabulation according to the delegated strategy tabulation of upgrading.
Further, described first server is revised after the local stored authorized Policy List according to the delegated strategy tabulation of obtaining renewal, comprise that also first server sends delegated strategy tabulation Notification of Changes to second server, carries the event notice sign of the delegated strategy tabulation of renewal in the described Notification of Changes;
Second server sends the request message of the delegated strategy tabulation of obtaining renewal to first server according to described notice sign;
First server sends the delegated strategy tabulation of upgrading to second server, and second server is revised local delegated strategy tabulation according to the delegated strategy tabulation of described renewal.
Further, described administrative client is an XML (extensible Markup Language) document management client, and described first server is the XML (extensible Markup Language) document management server, and described second server is the specific transactions engine server.
Further, described transmission is provided with before the request message of delegated strategy tabulation, comprises that also second server sends the request message of the delegated strategy tabulation of subscribing to change to first server.
Further, comprise that also requesting client initiates service request to second server;
Described second server carries the permissions list of requesting client in the described business request information of response;
Requesting client is according to the permissions list configuration feature selective listing that receives.
Further, comprise that also described second server sends session invitation message to being requested client, carries the permissions list that is requested client in described session invitation message;
Be requested client according to the permissions list configuration feature selective listing of receiving.
Further, described administrative client sends the request message that the delegated strategy tabulation is set to first server, comprise that also the delegated strategy that request is provided with in the delegated strategy tabulation specifically comprises the transmission picture function, send file function, the file-sharing function, initiate the video session function, send one or more function privileges in the text message function.
Further, also comprise the time limit that described delegated strategy is set.
Further, requesting client is initiated service request to second server;
Second server according to local stored authorized Policy List judge the described request client whether have the authority of described service request content, if having then allow to carry out respective request, otherwise return the response message of request failure to the described request client.
Further, subscribe in described transmission before the delegated strategy list request message of change, also comprise the step of creating group, comprise the medium type that cluster conversation is set in the described establishment group step, described medium type specifically comprises voice, audio frequency, video, text message, picture, file.
Further, described administrative client is a specific transactions engine client, and first server is the specific transactions engine server, and described second server is the XML (extensible Markup Language) document management server.
Further, described transmission is provided with before the request message of delegated strategy tabulation, comprises that also first server obtains the delegated strategy tabulation and at local cache to second server.
Further, comprise that also requesting client is to first server initiation service request;
Described first server carries the permissions list of requesting client in the described business request information of response;
Requesting client is according to the permissions list configuration feature selective listing that receives.
Further, described first server sends session invitation message to being requested client, carries the permissions list that is requested client in described session invitation message;
Be requested client according to the permissions list configuration feature selective listing of receiving.
Further, requesting client is initiated service request to first server;
First server according to local stored authorized Policy List judge the described request client whether have the authority of described service request content, if having then allow to carry out described request.
Further, the request of being specially of described service request sends picture or sends file or file-sharing or initiation video session or transmission text message.
The present invention by time update in conversation procedure more new session participate in the authority content of client, multimedia form authority particularly, realized dynamically updating in the conversation procedure conversation managing method, in time carry out session management neatly, solved and in conversation procedure, to have controlled the problem that session participates in the client concrete power limit in the prior art.
Description of drawings
Fig. 1 is the prior art system structural representation;
Fig. 2 is session management Signalling exchange figure in the prior art;
Fig. 3 is a system configuration schematic diagram of the present invention;
Fig. 4 is the session management Signalling exchange figure of embodiments of the invention one;
Fig. 5 is the session management Signalling exchange figure of embodiments of the invention two.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
The invention provides the system of a group conversation, as shown in Figure 3, described system comprises XDMS (XML Document Management Service) XML (extensible Markup Language) document management server (being called the XDM server again), specific transactions engine server and client, client comprises XDMC (XMLDocument Management Client) and specific transactions engine client, wherein XDMC is called XML (extensible Markup Language) document management client, i.e. XDM client again.
Wherein, the XDM server comprises the functional specification module at least, and described functional specification module is used to store the authority qualification of the client that links to each other with server end, for different clients is provided with different delegated strategies.The authority that described delegated strategy is concrete comprises the transmission picture function, sends file function, and the file-sharing function is initiated the video session function, sends media function authorities such as text message function.The specific transactions engine server comprises the biological function explore module at least, described biological function explore module is used to resolve the solicited message that client sends, according to the content of described request information according to delegated strategy tabulation judge whether client has the authority of institute's request content, be the request that then allows client, otherwise send the answer message of request failure to client.The XDM client comprises the authority configuration module, and the optional function module that described authority configuration module is the XDM client is used for the authorization policy list configuration client that issues according to the specific transactions engine server.Specific transactions engine client also comprises the service request module, and described service request module is used for sending a request message to the specific transactions engine server.
When creating group, the medium type that the XDM client can the designated group session, i.e. the member of this group media session type that can initiate and receive, the XDM client also can be described as administrative client or authorized client.The XDM client can be selected the medium type of cluster conversation in non-NULL medium type table, these medium types comprise: voice, audio frequency, video, text message, picture, file etc.The XDM client is stored in the cluster conversation medium type of selecting on specific transactions engine server or the XDM server by the XCAP agreement.Its file layout can be that an independent XML file also can be the part of group member list information.When adopting the XML form to realize, can be with each medium type as an element, the data type of this element value is a Boolean type, promptly can represent the media session type that group supports with true (true), represent the unsupported media session type of this group with false (false), instantiation is as follows:
| <rule id=" f3g67r8 "><conditions><identity><one id=" sip:boss@social.com (the sip uri of group) "/></identity></conditions><actions><allow-poc-speech>True</allow-poc-speech><allow-send-picture>True</allow-send-picture><allow-send-file>True</allow-send-file><allow-share-file>True</allow-share-file><allow-send-video>True</allow-send-video><allow-send-audio>True</allow-send-audio></action></rule> |
Above-mentioned example both can be in the group member list information, also can exist with independent XML document form, when existing with independent XML file, the group member tabulation should comprise quoting this file, for example can be used as＜list-service〉an optional attribute＜list-service mediatypeuri=" RootURI/AUID/XUI ", here " Root URI/AUID/XUI " refers to the concrete store path of cluster conversation medium type file.In the cluster conversation process, administrative client is provided with the type of other member's session authorities of group should be in the medium type scope of XDM client appointment.
After finishing establishment group, begin to set up session.The specific transactions engine server obtains the group member tabulation by the XCAP agreement to the XDM server, resolve the related media type of the cluster conversation support of above-mentioned XDM client appointment simultaneously, for the medium type element of value for true (true), then comprise this medium type in the session that server allows group member to initiate, otherwise, then comprise this medium type in the session that server shielding group member is initiated, the specific transactions engine can the conversation media type to group member be controlled in the cluster conversation process by this method.
When cluster conversation is set up, the specific transactions engine server sends the message of the renewal of subscribing to the delegated strategy tabulation to the XDM server, the specific transactions engine server can be known the update content of group's delegated strategy thus, behind conversation end, the specific transactions engine server can cancel subscriptions to the XDM server.Can be by the method so that in the conversation procedure of group, the management and group client can realize controlling the various authorities of group member.
With the PoC service is example, is set forth in the embodiment one that the present invention dynamically updates delegated strategy.In this embodiment, the XDM server is first server, and the specific transactions engine server is a second server.As shown in Figure 4, after finishing establishment group and setting up session, the specific transactions engine server is the PoC server, and PoC customer end A and PoC customer end B are the different specific transactions engine clients in the cluster conversation, will be described in the conversation procedure modification process to the delegated strategy tabulation below.
Step 21.PoC server initiates to subscribe to the request message of the delegated strategy tabulation of upgrading to the XDM server;
Step 22.XDM server returns " ok " response message of subscribing to successfully to the PoC server;
Usually the PoC server carries out information interaction by Session Initiation Protocol and XDM server, after finishing subscription, the XDM server sends SIP NOTIFY (SIP notification event) message to the PoC server, carried the initial authorization Policy List in the message, made the PoC server obtain initial delegated strategy tabulation and at local cache.Certainly, the message body of XDM server in the SIP NOTIFY that the PoC server sends also can not comprise the delegated strategy tabulation, and only comprise this document Etag (event identifier), after the PoC server was received message, " get " order by XCAP agreement (XML (extensible Markup Language) configuration access agreement) or http protocol (HTML (Hypertext Markup Language)) was obtained the delegated strategy tabulation of this group and at local cache.The PoC server obtains the delegated strategy tabulation dual mode.
First XDM server carries the delegated strategy tabulation in the SIP NOTIFY that the PoC server sends, after the PoC server is received message, return response message to the XDM server, and delegated strategy is tabulated at local cache.
Another mode is, the SIP NOTIFY that sends to the PoC server at the XDM server does not comprise the delegated strategy tabulation, the event notice sign Etag that has just comprised this document, the PoC server obtains the delegated strategy tabulation of this group to the XDM server requests by " get " order of XCAP agreement or http protocol according to the event notice sign, the XDM server returns " 200ok " response message to the PoC server, carries the delegated strategy tabulation in the message.
Step 23.XDM client sends the message that the delegated strategy tabulation is revised in request to the XDM server;
The XDM client is tabulated by the delegated strategy that XCAP (XML (extensible Markup Language) configuration access agreement) updates stored on the XDM server.By the XCAP agreement, the XDM client can be provided with or change cluster conversation and participate in the client-side session authority, as sending picture, text message, file, shared file, the function of transmission multimedia form informations such as initiation video session.
And, each bar delegated strategy of XDM client setting can be added a term of validity, further limit the scope of application of the strategy of this setting, if adopt the XML file to represent that the delegated strategy term of validity can be with＜validity〉conduct＜condition daughter element represent.If in conversation procedure, certain bar strategy is expired, and then this strategy ceases to be in force automatically, and reverts to default setting.
The language record of XML is used in delegated strategy tabulation, is the content and the form of the tabulation of example explanation group member delegated strategy with the policy document of PoC service.Suppose to have 3 members in the PoC predefine group, the member is respectively: alice, bob, tom.The authority of three members' relation and use sending function is as shown in table 1, and the information in the table 1 adopts the XML language description as shown in table 2:
| Member's sign | Identity in the group | Function privilege |
| alice@example.com | Session initiator | ＜allow-conference-state 〉,＜allow-invite-users-dynamically 〉,＜join-handling 〉,＜allow-initiate-conference 〉,＜allow-anonymity 〉,＜allow-send-picture 〉,＜allow-prohibit-anybody 〉,＜allow-send-file 〉,＜allow-share-file 〉,＜allow-send-video〉or the like, alice is the keeper of group, has the authority that every other session participant does not have |
| bob@example.com tom@example.com | member | ＜join-handling 〉,＜allow-send-picture 〉,＜allow-initiate-conference 〉,＜allow-send-file 〉,＜allow-share-file 〉,＜allow-send-video〉or the like |
Table 1
| < xml version＝″1.0″encoding＝″UTF-8″ > <ruleset xmlns＝″urn:ietf:arams:xml:ns:common-policy″> <rule id＝″f3g44r2″> <conditions> <identity> <one id＝″sip:alice@example.com″/> </identity> </conditions> <actions> <allow-conference-state>true</allow-conference-state> <allow-invite-users-dynamically>true</allow-invite-users-dynamically> <join-handling>true</join-handling> <allow-initiate-conference>true</allow-initiate-conference> <allow-anonymity>true</allow-anonymity> <allow-send-picture>true</allow-send-picture> <allow-prohibit-anybody>true</allow-prohibit-anybody> <allow-send-file>true</allow-send-file> <allow-share-file>true</allow-share-file> <allow-send-video>true</allow-send-video> </action> <transformations/> </rule> <rule id＝″z6y55r2″> <conditions> <identity> <one id＝″sip:bob@example.com″/> <one id＝″sip:tom@example.com″/> </identity> </conditions> <actions> <join-handling>true</join-handling> <allow-initiate-conference>true</allow-initiate-conference> <allow-send-picture>true</allow-send-picture> <allow-send-file>true</allow-send-file> <allow-share-file>true</allow-share-file> <allow-send-video>true</allow-send-video> </action> <transformations/> </rule> </ruleset> |
Table 2
Above-mentioned Policy List is by a set of strategies＜ruleset〉form, each＜ruleset〉by one or more strategy＜rule〉form, each＜rule〉form by two parts, comprise＜condition and＜action 〉.Wherein,＜condition〉condition of expression strategy, comprise one＜identity〉daughter element,＜identity〉in define the entity that is complementary with policy condition, this entity is for participating in the user of session, but is not limited to unique user, can be a group; In addition,＜condition〉also comprise＜sphere and＜validity〉daughter element, the concrete definition of these daughter elements can be with reference to the common policy draft of ietf.＜action〉some action that the entity that is complementary with policy condition of expression can be carried out, its daughter element that comprises is represented concrete action, the value of these daughter elements is true or false.
Suppose to have sent in violation of rules and regulations picture as group member bob in group, the authorization policy file that the XDM client can be revised by agreement sends the function cancellation two days of picture with bob, can be with in the strategy " z6y55r2 " in the amended policy document
<one id＝″sip:bob@example.com″/>
Deletion also increases a new strategy and describes the current operation that can carry out of bob in described strategy file, this that increases newly a description bob current can executable operations tactful as shown in table 3:
| <rule id＝″f3g44r3″> <conditions> <identity> <one id＝″sip:bob@example.com″/> </identity> <validity> <from>2006-08-15T10:20:00.000-05:00</from> <until>2006-08-17T10:20:00.000-05:00</until> </validity> </conditions> <actions> <join-handling>true</join-handling> <allow-initiate-conference>true</allow-initiate-conference> <allow-send-picture>false</allow-send-picture> <allow-send-file>true</allow-send-file> <allow-share-file>true</allow-share-file> <allow-send-video>true</allow-send-video> </action> <transformations/> </rule> |
Table 3
After step 24. setting was finished, the XDM server returned " 200ok " response message to the XDM client;
Step 25.XDM server is with the Notification of Changes PoC server of delegated strategy tabulation;
The PoC server obtains the delegated strategy information of renewal to the XDM server, and the delegated strategy tabulation of the content modification buffer memory that tabulation changes according to delegated strategy.The PoC server obtains the delegated strategy tabulation to the XDM server can dual mode:
Mode one: the XDM server carries the delegated strategy tabulation of change in the message that the PoC server sends in above-mentioned steps 25;
Mode two: the XDM server does not comprise the delegated strategy tabulation of change in the message that the PoC server sends in above-mentioned steps 25, only comprise altering event notice Etag, after the PoC server is received message, obtain the delegated strategy tabulation of renewal to the XDM server by " get " order of XCAP agreement or http protocol.
And, the delegated strategy list content of carrying in the message can be the full content of the tabulation of the delegated strategy after upgrading, it also can only be the partial content that changes, this state can be by the field identification in the message header, for example: state=full represents to issue fully, and state=partial represents the part issue.
The PoC server is judged the delegated strategy tabulation for which kind of state that comprises in the message body according to the value of mode field in the message header, when when issuing fully, the PoC server can be directly with the document in the tabulation of the delegated strategy in the message body replacement buffer memory, when issuing for part, the PoC server is according to the document in the content update buffer memory in the message body.
The XDM client is by change delegated strategy tabulation in the XDM server in the foregoing description one, the PoC server according to the Notification of Changes of XDM server and XDM server interaction more new data realize dynamically updating of delegated strategy, in the embodiments of the invention two, the PoC client is directly revised in the PoC server stored authorized strategy and is realized dynamically updating, and this kind mode is convenient and swift in system applies.In this embodiment, first server is the specific transactions engine server, and described second server is the XDM server.The XDM client is created group by the XDM server, set up session between PoC client and the PoC server, after session foundation, the request that the PoC server obtains stored authorized Policy List copy in the XDM server by " get " order of XCAP agreement or http protocol to the initiation of XDM server.The XDM server returns " ok " response message to the PoC server, and carries delegated strategy tabulation copy in message, the PoC server with this copy at local cache.
Set forth the process of the delegated strategy tabulation in the PoC client real-time update PoC server in conjunction with Fig. 5.The XDM client is revised delegated strategy on the PoC server, directly upgrade delegated strategy, and step is as follows:
Step 31, PoC client send the message that the delegated strategy tabulation is revised in request to the PoC server;
PoC client information of carrying in the SIP PUBLISH of PoC server transmission request modification delegated strategy tabulation can be complete authorization policy document, also can only be the part that changes, the identification division issue be consistent with the identification method among the embodiment one with the method for issue fully; State value in SIPPUBLISH message body when issuing fully is full, the delegated strategy of new issue this moment will cover the delegated strategy of buffer memory in the specific transactions engine, the description of the content of SIP PUBLISH body should be satisfied the method for XCAP-diff definition when issuing for part, delegated strategy tabulation to buffer memory in the PoC server is made amendment, the PoC server is revised local stored authorized Policy List according to the information that receives, and finishes renewal.
By this kind mode, realized the tabulation of immediate updating delegated strategy, make things convenient for administrative client (administrative client is the PoC client among this embodiment two) in conversation procedure, session to be participated in the management and the monitoring of client, after the tabulation of PoC server update delegated strategy, the PoC server can also send to the XDM server with the delegated strategy of upgrading, and backs up in the XDM server.
Step 33, PoC server send delegated strategy tabulation Notification of Changes message to the XDM server, carry the change of delegated strategy tabulation in the message;
34, the XDM server is revised local delegated strategy tabulation according to the delegated strategy tabulation of the renewal of receiving, and returns " ok " response message to the PoC server;
The PoC server can in time send to delegated strategy the XDM server after authority is provided with, also can be behind conversation end, again the tabulation of the delegated strategy in the buffer memory is sent to the XDM server, in the latter case, if be provided with the authority time limit in the delegated strategy, the delegated strategy variation that then will not lose efficacy sends to the XDM server.
By with the foregoing description one and embodiment two, realized the real-time update of delegated strategy tabulation.Shown in accompanying drawing 4 and accompanying drawing 5, after realizing dynamically updating the delegated strategy tabulation, the PoC server receives the request message of client, shown in 35-38 among 26-29 among Fig. 4 and Fig. 5, the PoC customer end A sends the request message that request sends picture to the PoC server, the PoC server is tabulated according to delegated strategy the PoC customer end A is carried out authentication, after authentication is passed through, the PoC server is that the PoC customer end B sends picture to being requested client, the PoC customer end B is returned " ok " response message to the PoC server after receiving picture, the PoC server is received " ok " message that returns success transmission behind the response message to the PoC customer end A, finishes the function that sends picture.
101. requesting client (being the PoC customer end A among Fig. 4 and Fig. 5) sends image information to the PoC server requests;
The concrete content of service request that requesting client is initiated can be that request sends picture, sends file, initiates video request to being requested client, and is requested multimedia messages request such as client shared file; Above-mentioned difference is sent request content, different medium adopt different processing modes, for the discreteness medium, such as sending text and picture etc., server when receiving text that the user sends and picture (in SIP MESSAGE, comprising contents such as text and picture) server by checking MIME (expansion of the multipurpose internet mail) type in the MESSAGE message, the content of this corresponding shielding is deleted, issue again and be requested client in the session, can notify the content deleted (carrying textual description in the 200OK message) of initiation requesting client conductively-closed or return error message (as 400) to the promoter; (comprise picture for perhaps sending the discreteness data in the continuity by MSRP (message session trunk protocol), file, text), after server is received strategy modification, again consult request (REVITE or UPDATE) to the clients corresponding initiation session, server is arranged to a=sendonly (corresponding to the authority of the corresponding medium of the transmission of having cancelled the user) with the attribute of corresponding medium in the SDP of this request agreement (Session Description Protocol) is described, maybe this attribute is arranged to a=sendrev (corresponding to the sending permission of having developed the user), terminal can notify its corresponding media strategy of user that variation has taken place when replying the negotiation success message to server.
102.PoC server carries out authentication to request message, be analyzed according to request content and delegated strategy tabulation, judge and initiate the authority whether requesting client has this function, be then to allow PoC customer end A and PoC customer end B to send picture, otherwise return request failure message to the PoC customer end A, forbid that the PoC customer end A sends picture, and inform that to PoC customer end A transmission notice this sending function of PoC customer end A is closed;
The request type that the PoC server is initiated requesting client and the strategy of policy document promptly＜rule condition＜condition contrast one by one, if only with one＜condition〉be complementary, then the PoC server is carried out this strategy＜action〉or＜transformation in action, if with a plurality of＜condition〉be complementary, then server at first to matching condition＜action carry out collision detection, and the conflict that exists handled, then to these＜action the method mentioned in the general policies common policy draft according to the Internet engineering duty group IETF merges, after last PoC server is carried out and is merged＜action.
And the PoC server can issue the delegated strategy tabulation of this requesting client in the request message of response request client by response message " 200ok ".Requesting client is according to the menu function tabulation or the permissions list of this client of delegated strategy list configuration, the different sending function authorities that client is had in time reflect in client, or this authority is disposed on the port of the corresponding function that is reflected in client, and directly do not observed by user side.For example, when the transmission picture function of client was under an embargo, the authority configuration module of client made this menu item be rendered as grey, represented that this function is under an embargo.Otherwise the sending function for allowing can make this menu item be rendered as black, be expressed as and available the function privilege that group member had be embodied in member's client timely, can be so that clear oneself the authority of group member be for example, as follows for the authority layoutprocedure of requesting client:
Step 11, requesting client are to PoC server initial request messages;
Step 12, PoC server are tabulated according to delegated strategy and are resolved, and carry the authorization policy tabulation of initiating requesting client in replying " 200ok " response message;
Step 13, initiation requesting client are beamed back to the PoC server and are confirmed response ACK message;
Step 14, initiation requesting client are according to authorization policy list configuration function menu or the permissions list received.
103.PoC server sends picture to the PoC customer end B, the PoC customer end B is returned " ok " message to the PoC server after receiving picture, and the PoC server returns " ok " message according to the message that receives to the PoC customer end A, finishes the transmission picture.
After authentication was passed through, the PoC server allowed the PoC customer end A to carry out function corresponding, sent request content to being requested client (being the PoC customer end B).And the PoC server issues by response message " 200ok " in the delegated strategy tabulation that this can be requested client in the transmission message that is requested client.Be requested menu function tabulation or the permissions list of client according to this client of delegated strategy list configuration, the different sending function authorities that client is had in time reflect in client, or this authority is disposed on the port of the corresponding function that is reflected in client, and directly do not observed by user side.The PoC server is as follows for the authority configuration that is requested client:
B21, PoC server send session invitation according to delegated strategy tabulation in this group to being requested client, carry the corresponding permissions list that is requested client in the request message body;
B22, be requested client and reply response " 200ok " message to the PoC server;
B23, be requested client according to configuration feature menu in the tabulation of the authorization policy received;
B24, PoC server are beamed back affirmation response (ACK) to being requested client.
Above-mentioned configuration is requested in the flow process of client functionality menu, can in the invitation message that step B21 sends, not carry the delegated strategy tabulation yet, and after step B22, beam back the affirmation response message by the PoC server to being requested client, conversation is set up in success, and beam back and confirm to carry the delegated strategy tabulation in the response message to being requested client at the PoC server, be requested client according to the delegated strategy list configuration function menu of receiving.In concrete the application, accelerated to be requested the speed that client adds session like this.
According to the present invention, be provided with by authority in conversation procedure the session participant, realized dynamically updating in the conversation procedure conversation managing method, in time carry out session management neatly.Solved the problem that in conversation procedure, to control session participant concrete power limit in the prior art.
The above; only be the preferable embodiment of the present invention; protection scope of the present invention is not limited thereto; those of ordinary skills know; without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, anyly be familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (22)
1. a cluster group conversational system comprises XML (extensible Markup Language) document management server, XML (extensible Markup Language) document management client, specific transactions engine server and specific transactions engine client, it is characterized in that,
Described XML (extensible Markup Language) document management server is used to store the delegated strategy tabulation;
Described specific transactions engine server is used to resolve the requesting client that receives and initiates service request, and tabulation judges whether the described request client has the authority of described service request according to delegated strategy;
Described XML (extensible Markup Language) document management client is used for the authority according to the delegated strategy list configuration client that receives.
2. system according to claim 1 is characterized in that,
Described XML (extensible Markup Language) document management server comprises the functional specification module at least, and described functional specification module is used to store the delegated strategy tabulation;
At least comprise the biological function explore module in the described specific transactions engine server, described biological function explore module is used for resolving the reception client and initiates service request, and judges whether to allow described service request.
Described XML (extensible Markup Language) document management client also comprises the authority configuration module, and described authority configuration module is used for the authority according to the delegated strategy list configuration client that receives.
Described specific transactions engine client also comprises the service request module, and described service request module is used for initiating service request to the specific transactions engine server.
3. system as claimed in claim 1 or 2, it is characterized in that, comprise that also XML (extensible Markup Language) document management client upgrades stored authorized Policy List in the described XML (extensible Markup Language) document management server, upgrade configuration or cancellation configuration that described delegated strategy specifically also comprises following one or more authorities: send picture function, send file function, the file-sharing function is initiated the video session function, sends the text message function.
4. system as claimed in claim 1 or 2 is characterized in that, the request of being specially of described service request sends picture or sends file or file-sharing or initiate video session or send text message.
5. as system as described in claim 1 or 2 or 3, it is characterized in that described specific transactions engine server also is used for subscribing to the XML (extensible Markup Language) document management server change of delegated strategy tabulation, and the storage described delegated strategy tabulation of obtaining.
6. the management method of a group conversation is characterized in that, comprises step,
Administrative client sends the request message that the delegated strategy tabulation is set to first server;
First server is revised local stored authorized Policy List according to the delegated strategy tabulation of obtaining renewal.
7. as method as described in the claim 6, it is characterized in that, described first server is revised after the local stored authorized Policy List according to the delegated strategy tabulation of obtaining renewal, comprise that also first server sends delegated strategy tabulation Notification of Changes to second server, carries the delegated strategy tabulation of renewal in the described Notification of Changes;
Second server obtains the delegated strategy tabulation back of renewal and returns response message to first server, and revises local delegated strategy tabulation according to the delegated strategy tabulation of upgrading.
8. as method as described in the claim 6, it is characterized in that, described first server is revised after the local stored authorized Policy List according to the delegated strategy tabulation of obtaining renewal, comprise that also first server sends delegated strategy tabulation Notification of Changes to second server, carries the event notice sign of the delegated strategy tabulation of renewal in the described Notification of Changes;
Second server sends the request message of the delegated strategy tabulation of obtaining renewal to first server according to described notice sign;
First server sends the delegated strategy tabulation of upgrading to second server, and second server is revised local delegated strategy tabulation according to the delegated strategy tabulation of described renewal.
As claim 6 or 7 or 8 arbitrary as described in method, it is characterized in that, described administrative client is an XML (extensible Markup Language) document management client, and described first server is the XML (extensible Markup Language) document management server, and described second server is the specific transactions engine server.
10. as method as described in the claim 9, it is characterized in that described transmission is provided with before the request message of delegated strategy tabulation, comprise that also second server sends the request message of the delegated strategy tabulation of subscribing to change to first server.
11. as claim 6 or 7 or 8 arbitrary as described in method, it is characterized in that, comprise that also requesting client initiates service request to second server;
Described second server carries the permissions list of requesting client in the described business request information of response;
Requesting client is according to the permissions list configuration feature selective listing that receives.
12. as method as described in the claim 11, it is characterized in that, comprise that also described second server sends session invitation message to being requested client, carries the permissions list that is requested client in described session invitation message;
Be requested client according to the permissions list configuration feature selective listing of receiving.
13. as method as described in claim 6 or 7 or 8, it is characterized in that, described administrative client sends the request message that the delegated strategy tabulation is set to first server, comprise that also the delegated strategy that request is provided with in the delegated strategy tabulation specifically comprises the transmission picture function, send file function, the file-sharing function is initiated the video session function, sends one or more function privileges in the text message function.
14. as method as described in the claim 13, it is characterized in that, also comprise the time limit that described delegated strategy is set.
15. as method as described in claim 6 or 7 or 8, it is characterized in that, also comprise
Requesting client is initiated service request to second server;
Second server according to local stored authorized Policy List judge the described request client whether have the authority of described service request, if having then allow to carry out respective request, otherwise return the response message of request failure to the described request client.
16. as method as described in claim 6 or 7 or 8, it is characterized in that, subscribe in described transmission before the delegated strategy list request message of change, also comprise the step of creating group, comprise the medium type that cluster conversation is set in the described establishment group step, described medium type specifically comprises voice, audio frequency, video, text message, picture, file.
17. as method as described in claim 6 or 7 or 8, it is characterized in that described administrative client is a specific transactions engine client, first server is the specific transactions engine server, described second server is the XML (extensible Markup Language) document management server.
18., it is characterized in that described transmission is provided with before the request message of delegated strategy tabulation as method as described in the claim 17, comprise that also first server obtains the delegated strategy tabulation and at local cache to second server.
19. as method as described in the claim 18, it is characterized in that, comprise that also requesting client initiates service request to first server;
Described first server carries the permissions list of requesting client in the described business request information of response;
Requesting client is according to the permissions list configuration feature selective listing that receives.
20., it is characterized in that described first server sends session invitation message to being requested client, carries the permissions list that is requested client in described session invitation message as method as described in the claim 19;
Be requested client according to the permissions list configuration feature selective listing of receiving.
21., it is characterized in that as method as described in the claim 17, also comprise,
Requesting client is initiated service request to first server;
First server according to local stored authorized Policy List judge the described request client whether have the authority of described service request, if having then allow to carry out described request.
22., it is characterized in that the request of being specially of described service request sends picture or sends file or file-sharing or initiate video session or send text message as method as described in claim 11 or 15 or 19.
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| CN2006100610493A CN101087446B (en) | 2006-06-09 | 2006-06-09 | A system and method for cluster session |
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| CN101321306B (en) * | 2008-06-16 | 2011-07-06 | 华为技术有限公司 | Method and device for creating business and deploying business |
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