CN102164302B - Presenting server and data operation method thereof - Google Patents
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- CN102164302B CN102164302B CN201110058705.5A CN201110058705A CN102164302B CN 102164302 B CN102164302 B CN 102164302B CN 201110058705 A CN201110058705 A CN 201110058705A CN 102164302 B CN102164302 B CN 102164302B
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Abstract
The embodiment of the invention discloses a presenting server and a data operation method thereof. The method comprises: the presenting server generates metadata by according to the subscription information of a user, writes the metadata into a metadata area in the cache region of the presenting server, generates index data according to the metadata, and writes the index data into an index data area in the cache region, wherein the metadata contains a subscription rule and the index data contains at least one index set; and when the state of the subscribed user changes, the presenting server confirms the index set according to the information of a subscribed user, searches for the metadata corresponding to the subscribed user according to the index set, confirms the subscriber according to the subscription rule in the metadata and publishes the current state of the subscribed user to the subscriber. The method provided by the invention is suitable for performing the data operation by the presenting server according to the subscription information of the user.
Description
Technical field
The present invention relates to IPTV (based on the TV broadcasting service of IP agreement, Internet ProtocolTelevision) field, particularly relate to a kind of presence server (PresenceServer) data manipulation method and the presence server that are applied to IPTV system.
Background technology
IPTV and IPTV, be that one utilizes broadband cable net, integrate the multiple technologies such as the Internet, multimedia and communication, for providing the brand-new technology of the multiple interactive services comprising Digital Television to domestic consumer.Presence server is that its Core Feature is: the session state information sending subscribed person according to the subscribing relationship between subscriber with subscribed person to corresponding subscriber for depositing the server of user's current state and issue User Status in instant messaging business in IPTV system; Described subscriber understands subscribed person according to the session state information of the subscribed person received.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems:
At present, presence server is all be that data main carrier carries out the storage of data and transmission with traditional magnetic disk, due to the space of traditional magnetic disk and the speed of service of presence server limited, cause presence server efficient not and flexibly when data store.
Summary of the invention
The embodiment of the present invention provides a kind of presence server data manipulation method and presence server, can improve the high efficiency of presence server when data store and flexibility.
For this reason, the embodiment of the present invention adopts following technical scheme:
A kind of presence server data manipulation method, comprising:
Presence server is according to user subscription information generator data, described metadata is write the meta-data region in the buffer area of described presence server, according to described metadata generating indexes data, described index data is write the index data district in described buffer area, wherein, described metadata comprises subscription rules, and described index data comprises at least one index set;
When the state of subscribed user changes, described presence server is by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, determine booking reader according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.
A kind of presence server, comprising:
Subscribing module, for according to user subscription information generator data, described metadata is write the meta-data region in the buffer area of described presence server, according to described metadata generating indexes data, described index data is write the index data district in described buffer area, wherein, described metadata comprises subscription rules, and described index data comprises at least one index set;
Release module, for when the state of subscribed user changes, by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, determine booking reader according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.
The presence server data manipulation method that the embodiment of the present invention provides and presence server, presence server is according to user subscription information generator data and index data, by the meta-data region in described metadata write buffer area, described index data is write the index data district in described buffer area, described metadata comprises subscription rules, described index data comprises at least one index set, when the state of subscribed user changes, described presence server is by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, booking reader is determined according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.Compared with prior art, presence server forms efficient data buffer storage layer in the buffer by metadata and index data two layer data structures, index set quick position can be used to metadata according to the different attribute of user data, thus the high efficiency of presence server when data store and flexibility can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The presence server data manipulation method flow chart that Fig. 1 provides for the embodiment of the present invention one;
The presence server structural representation that Fig. 2 provides for the embodiment of the present invention two;
The data structure schematic diagram of the metadata that Fig. 3 provides for the embodiment of the present invention three and index data.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearly, below in conjunction with drawings and Examples, the present invention is elaborated.
As previously mentioned, presence server of the prior art is business datum main carrier based on traditional magnetic disk, because disk space is limited, and due to the restriction of the speed of service, makes the real-time and the reliability requirement that are difficult to reach presence server.
Embodiment one
The present embodiment provides a kind of presence server data manipulation method, and as shown in Figure 1, described method comprises:
101: presence server is according to user subscription information generator data, described metadata is write the meta-data region in the buffer area of described presence server, according to described metadata generating indexes data, described index data is write the index data district in described buffer area, wherein, described metadata comprises subscription rules, and described index data comprises at least one index set.
102: when the state of subscribed user changes, described presence server is by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, determine booking reader according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.
Thus, form efficient data buffer storage layer in the buffer by metadata and index data two layer data structures, carry out efficient data storage and access for presence server.
Further, described method can also comprise:
103: when described presence server is in idle condition, described presence server carries out full dose data backup, all metadata in described buffer area are write in the disk of described presence server.
104: in the intermediate period of adjacent twice full dose data backup, described presence server carries out incremental data backup, the Operation Log in described intermediate period is write in the disk of described presence server, wherein, presence server described in described operation log recording writes the operation of data in described buffer area.
Thus, under the prerequisite not stopping presence server business, can by the data full backup in data buffer area in disk; Within the interval of adjacent twice full backup, Operation Log can be write disk as incremental backup data.
Further, described method can also comprise:
105: when loss of data in described buffer area, the metadata in described disk is write the meta-data region in described buffer area by described presence server.
106: described presence server rebuilds index data according to the metadata of the described meta-data region of write.
Thus, after presence server is restarted, can by the date restoring in buffer area to state during last full backup.
Further, described method can also comprise:
107: described presence server performs the operation of the operation log recording in described intermediate period, so that by the state before the date restoring in described buffer area to loss of data.
Thus, after presence server is restarted, can by the state before the date restoring in buffer area to loss of data.
The presence server data manipulation method that the embodiment of the present invention provides, presence server is according to user subscription information generator data and index data, by the meta-data region in described metadata write buffer area, described index data is write the index data district in described buffer area, described metadata comprises subscription rules, described index data comprises at least one index set, when the state of subscribed user changes, described presence server is by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, booking reader is determined according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.Compared with prior art, presence server forms efficient data buffer storage layer in the buffer by metadata and index data two layer data structures, index set quick position can be used to metadata according to the different attribute of user data, thus the high efficiency of presence server when data store and flexibility can be improved; In addition, by full dose data backup, in metadata can being backed up to disk, backed up by incremental data, in Operation Log during adjacent twice full dose data backup can being backed up to disk, after restarting with convenient presence server, by the date restoring in buffer area to state during last full backup, thus can improve the backup efficiency of data.
Embodiment two
The present embodiment provides a kind of presence server, and as shown in Figure 2, described presence server comprises:
Subscribing module 21, for according to user subscription information generator data, described metadata is write the meta-data region 231 in the buffer area 23 of described presence server, according to described metadata generating indexes data, described index data is write the index data district 232 in described buffer area 23, wherein, described metadata comprises subscription rules, and described index data comprises at least one index set;
Release module 22, for when the state of subscribed user changes, by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, determine booking reader according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.
Further, described presence server can also comprise:
Backup and Restore module 24, for when described presence server is in idle condition, carries out full dose data backup, all metadata in described buffer area 23 to be write in the disk 25 of described presence server.
Particularly, when described Backup and Restore module 24 carries out full dose data backup, all metadata in described buffer area 23 are write the full dose meta-data region 251 of the disk 25 of described presence server.
Further, described Backup and Restore module 24, also in the intermediate period of adjacent twice full dose data backup, carry out incremental data backup, the Operation Log in described intermediate period is write in the disk 25 of described presence server, wherein, presence server described in described operation log recording writes the operation of data in described buffer area 23.
Particularly, when described Backup and Restore module 24 carries out incremental data backup, the Operation Log in described intermediate period is write the autoincrementing operation log area 252 of the disk 25 of described presence server.
Further, described Backup and Restore module 24, also for when loss of data in described buffer area 23, the metadata in described disk 25 is write the meta-data region 231 in described buffer area 23, and rebuilds index data according to the metadata of the described meta-data region 231 of write.
Further, described Backup and Restore module 24, also for performing the operation of the operation log recording in described intermediate period, so that by the state of date restoring before loss of data in described buffer area 23.
The presence server that the embodiment of the present invention provides, according to user subscription information generator data and index data, by the meta-data region in described metadata write buffer area, described index data is write the index data district in described buffer area, described metadata comprises subscription rules, described index data comprises at least one index set, when the state of subscribed user changes, by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, booking reader is determined according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.Compared with prior art, presence server forms efficient data buffer storage layer in the buffer by metadata and index data two layer data structures, index set quick position can be used to metadata according to the different attribute of user data, thus the high efficiency of presence server when data store and flexibility can be improved; In addition, by full dose data backup, in metadata can being backed up to disk, backed up by incremental data, in Operation Log during adjacent twice full dose data backup can being backed up to disk, after restarting with convenient presence server, by the date restoring in buffer area to state during last full backup, thus can improve the backup efficiency of data.
Embodiment three
The present embodiment provides a kind of presence server data manipulation method, and in the present embodiment, the state variation will subscribing to party B-subscriber for party A-subscriber is described.
See Fig. 2, it is the structural representation of presence server of the present invention.
The presence server data manipulation method that the present embodiment provides specifically comprises following flow process:
1, user profile registering flow path:
In order to presence server can quick obtaining user profile, user profile is kept in cache memory section 23 by presence server.
The process operation data of this part is as follows:
The meta-data region 231 that user profile can be write buffer area 23 by subscribing module 21 forms meta-data unit, then corresponding multiple index set are generated according to newly-generated meta-data unit, each index set comprises multiple index data unit, and described index set is kept at index data district 232.
Such as, user profile can comprise: the characteristic information of the user basic information such as user name, sex, age, occupation, family, personal like and association; In order to respectively according to different user personalities can fast finding to all information of user, respective index can be set up according to different user personalities, metadata can be found fast by the Index Algorithm preset according to index.
2, flow process is subscribed to:
When a user subscribes to the state information of another user, such as party A-subscriber have subscribed the state variation of party B-subscriber, and presence server needs this to subscribe to behavior record in presence server; Like this when party B-subscriber's state variation, presence server will notify that the state of party A-subscriber B there occurs change.
The process operation data of this part is as follows:
The meta-data region 231 of subscription rules information write buffer area 23 can be formed metadata by subscribing module 21, then generates corresponding multiple index data unit according to newly-generated meta-data unit.
Such as, party A-subscriber wonders when party B-subscriber sees CCTV5 platform.Subscribing module will, by " party B-subscriber is subscribed to by party A-subscriber, and concrete activity description sees CCTV5 platform " this rule as metadata, be formed using " party B-subscriber " as " subscribed person's index ", using " party A-subscriber " as its " subscriber's index " simultaneously respectively.
By above-mentioned steps 1-2, the data completing presence server of the present invention store, its data structure refers to Fig. 3, wherein, collection of metadata comprises multiple meta-data unit, each set of index set 1-N comprises multiple index data unit, and a corresponding multiple index data unit of meta-data unit, this multiple index data unit can from different index set.
3, Information issued flow process:
When the state of subscribed user (B) changes, presence server the subscribing relationship corresponding according to subscribed user can find booking reader (A).
The process operation data of this part is as follows:
When presence server receives the message that subscribed user (B) state changes, release module 22 first can find the relevant user information of subscribed user (B) in the index area of buffer area by the descriptor of subscribed user (B), then find by index area the metadata that subscribed user (B) is relevant.The subscribed rule of subscribed user (B) is obtained again according to the metadata of subscribed user (B), thus find the relevant information of corresponding booking reader (A), then the state variation of subscribed user (B) is distributed to booking reader (A).
Continue for " party A-subscriber wonders when party B-subscriber sees CCTV5 platform ": when party B-subscriber starts to see CCTV5 platform, will trigger because user behavior changes, release module 22 searches " user B " incidental rule; Be defined as the rule of " user B " by " subscribed person's index " of search rule, then explained and semanteme in executing rule metadata by release module 22, and send the latest state information of " B is seeing CCTV5 platform " to party A-subscriber.
4, flow process is backed up
Because subscribed user data is all kept in cache memory section 23, therefore the fail safe of fail safe to presence server of protected data is most important.The present invention protects the data security of presence server by the mode of Disk Backup; for the presence server that data volume is large; the length of BACKUP TIME is related to success rate and the reliability of data backup, therefore present invention employs full dose data backup and backs up with incremental data the mode combined and carry out data protection.
The process operation data of this part is as follows:
Full dose data backup: be saved in disk 25 by all data in cache memory section 23, needs longer running time.The present invention carries out full dose data backup when presence server is more idle, and index data in disk 25, and not to back up by Backup and Restore module 24 by the metadata full backup in buffer area.
Incremental data backs up: in the interlude section of adjacent twice full backup, Operation Log writes in disk 25 for more than 24 time by Backup and Restore module.
5, flow process is recovered
When presence server is due to the machine of delaying or when thinking that the situation of shutting down causes buffer area loss of data, presence server to need the date restoring that backed up, in high-speed cache, then to start presence server and serve user.
The process operation data of this part is as follows:
The metadata of full dose meta-data region 251 in disk 25 is returned to the meta-data region 231 of buffer area 23 by Backup and Restore module 24, then index is rebuild according to the metadata of buffer area 21, then perform the Operation Log of the autoincrementing operation log area 252 in disk 25, make the state that the date restoring in presence server ran to last time.
The presence server data manipulation method that the embodiment of the present invention provides has the following advantages:
(1) improve access performance and the service dynamic autgmentability of presence server
By using two layer data structures of multiple index data and single metadata to preserve user data in the buffer area of presence server respectively, improve the overall performance that the presence server characteristic different according to user has access to user profile.Different index quick position in buffer area can be used respectively to data according to the different attribute of user data.When have a new service needed according to other attribute quick position of user data to user data time, the present invention can set up new index when not carrying out data upgrading according to user property.
(2) normal business is not interrupted in data backup
Owing to not having incidence relation between metadata, when presence server is more idle, the metadata full backup in buffer area in disk, can be realized non-interrupting service and carry out the function of data full backup by Backup and Restore module.Concrete process is as follows: a kind of situation: in backup procedure, Backup and Restore module to have backed up in buffer area wherein a part of metadata, and the metadata also not having enough time to back up there occurs data variation, at this moment Backup and Restore module proceeds backup, thus can ensure that the data in disk are consistent with the data in buffer area; Another kind of situation: when the metadata in the buffer area that Backup and Restore module in backup procedure has backed up changes, Backup and Restore module can by the change of business operation log recording data, and Backup and Restore module can continue not having the part backed up to back up, thus can ensure that the data in disk add that business operation daily record is consistent with the data in buffer area.Therefore this mode makes presence server when full dose data backup, does not need the business stopping writing data because of the consistency of protected data.
(3) improve backup efficiency
Few to presence server resource consumption, consuming time short due to backup traffic Operation Log, therefore in the intermediate period of long adjacent twice full backup consuming time, by the incremental backup to business operation daily record, improve the efficiency of backup, reduce the abnormal data loss probability brought of backup, thus BACKUP TIME can be prevented long and because of the backup exception that the unexpected factors such as machine of delaying cause in backup procedure, reduce the data loss probability of terminal.
The presence server that the embodiment of the present invention provides can realize the above-mentioned embodiment of the method provided, and concrete function realizes the explanation referred in embodiment of the method, does not repeat them here.The presence server data manipulation method that the embodiment of the present invention provides and presence server can be suitable for and carry out data manipulation according to user subscription information, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. a presence server data manipulation method, is characterized in that, comprising:
Presence server is according to user subscription information generator data, by the meta-data region in described metadata write buffer area, according to described metadata generating indexes data, described index data is write the index data district in described buffer area, wherein, described metadata comprises subscription rules, and described index data comprises at least one index set; Specifically comprise meta-data region user profile being write buffer area and form meta-data unit, then generate corresponding multiple index set according to newly-generated meta-data unit; The meta-data region of subscription rules information write buffer area is formed meta-data unit, then corresponding multiple index set are generated according to newly-generated meta-data unit, store with the data completing described presence server, wherein, each described index set comprises multiple index data unit, and described index set is kept at index data district;
When the state of subscribed user changes, described presence server is by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, determine booking reader according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.
2. method according to claim 1, is characterized in that, also comprises:
When described presence server is in idle condition, described presence server carries out full dose data backup, all metadata in described buffer area to be write in the disk of described presence server.
3. method according to claim 2, is characterized in that, also comprises:
In the intermediate period of adjacent twice full dose data backup, described presence server carries out incremental data backup, the Operation Log in described intermediate period is write in the disk of described presence server, wherein, presence server described in described operation log recording writes the operation of data in described buffer area.
4. method according to claim 3, is characterized in that, also comprises:
When loss of data in described buffer area, the metadata in described disk is write the meta-data region in described buffer area by described presence server;
Described presence server rebuilds index data according to the metadata of the described meta-data region of write.
5. method according to claim 4, is characterized in that, also comprises:
Described presence server performs the operation of the operation log recording in described intermediate period, so that by the state before the date restoring in described buffer area to loss of data.
6. a presence server, is characterized in that, comprising:
Subscribing module, for according to user subscription information generator data, described metadata is write the meta-data region in the buffer area of described presence server, according to described metadata generating indexes data, described index data is write the index data district in described buffer area, wherein, described metadata comprises subscription rules, and described index data comprises at least one index set; Specifically comprise meta-data region user profile being write buffer area and form meta-data unit, then generate corresponding multiple index set according to newly-generated meta-data unit; The meta-data region of subscription rules information write buffer area is formed meta-data unit, then corresponding multiple index set are generated according to newly-generated meta-data unit, store with the data completing described presence server, wherein, each described index set comprises multiple index data unit, and described index set is kept at index data district;
Release module, for when the state of subscribed user changes, by the information determination index set of described subscribed user, the metadata corresponding with described subscribed user according to described index set search, determine booking reader according to the subscription rules in described metadata, the current state of described subscribed user is distributed to described booking reader.
7. presence server according to claim 6, is characterized in that, also comprises:
Backup and Restore module, for when described presence server is in idle condition, carries out full dose data backup, all metadata in described buffer area to be write in the disk of described presence server.
8. presence server according to claim 7, is characterized in that:
Described Backup and Restore module, also in the intermediate period of adjacent twice full dose data backup, carry out incremental data backup, the Operation Log in described intermediate period is write in the disk of described presence server, wherein, presence server described in described operation log recording writes the operation of data in described buffer area.
9. presence server according to claim 8, is characterized in that:
Described Backup and Restore module, also for when loss of data in described buffer area, writes the meta-data region in described buffer area by the metadata in described disk, and rebuilds index data according to the metadata of the described meta-data region of write.
10. presence server according to claim 9, is characterized in that:
Described Backup and Restore module, also for performing the operation of the operation log recording in described intermediate period, so that by the state before the date restoring in described buffer area to loss of data.
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| CN101115023A (en) * | 2006-07-25 | 2008-01-30 | 华为技术有限公司 | Method for subscripting, amending, canceling subscription authority and desubscripting CBCS service |
| CN101188738A (en) * | 2007-12-13 | 2008-05-28 | 华为技术有限公司 | A method, system and device for subscribing network TV IPTV program |
| CN101583016A (en) * | 2008-05-15 | 2009-11-18 | 华为技术有限公司 | Method for displaying and sending service status information, user terminal equipment and service processing unit |
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| CN101115023A (en) * | 2006-07-25 | 2008-01-30 | 华为技术有限公司 | Method for subscripting, amending, canceling subscription authority and desubscripting CBCS service |
| CN101188738A (en) * | 2007-12-13 | 2008-05-28 | 华为技术有限公司 | A method, system and device for subscribing network TV IPTV program |
| CN101583016A (en) * | 2008-05-15 | 2009-11-18 | 华为技术有限公司 | Method for displaying and sending service status information, user terminal equipment and service processing unit |
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