CN101667932B - Method of network element equipment log management and device - Google Patents
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Abstract
The invention discloses a method of network element equipment log management and a device; the method comprises the following steps: at least one log processing request is generated by a network management station, the log processing request is transmitted to at least one network element equipment by a network management agent module; the network element equipment receives the log processing request, and the network element equipment log is managed according to the log processing request. By adopting the invention, a plurality of network element equipment logs can be dynamically managed in a concentrating way by the network management station without re-designing special log management software, and the operation of setting and searching the network element equipment log can be realized easily by a setting/acquiring interface based on an SNMP protocol, thereby meeting insistent demands of a user and being convenient for administers and developers to locate faults of the network element equipment and recall service information.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and system for managing logs of network element devices.
Background
The current network technology development is rapid, and the number of various access point network devices is increased in a geometric series manner. However, due to the wide variety of access point network devices, wide geographical location distribution, and different implementation techniques, the management of the network poses a great challenge, and various network management frameworks and protocols should be generated. The current mature Network Management protocols include Simple Network Management Protocol (SNMP) and TR069 Protocol.
At present, a network management system can perform setting and query operations on parameters of network element devices, and process alarm information reported by network elements. However, when analyzing the problem related to the positioning network element, sometimes it is necessary to trace back some more detailed and intuitive information such as the state of the network management system or the operation state of the positioning network element in a log manner, and the importance of the log is greatly reflected at this time. The log is used as program state information output by the network equipment in the running process, and is characterized by strong readability, fixed file format, generally text file format. The current network management system still mostly stays at the stage of performing decentralized processing on a single network element device due to log management on the network element device, so that the log management process of the network element device is quite complicated, and for part of the network management systems which realize centralized management on the log of the network element device, a dedicated management end is basically used, and the system is lack of generality, or only download of log files of the network element device is realized, but the log management of the network element device cannot be dynamically set and analyzed, and the system is lack of flexibility.
Disclosure of Invention
In view of this, the present invention provides a method and a system for managing network element device logs, which implement functions of dynamically setting and obtaining network element device log output parameters, querying network element device logs, and performing batch setting and batch querying on network element device logs.
According to an aspect of the present invention, there is provided a method for managing a network element device log, including:
the network management station generates at least one log processing request, and the log processing request is forwarded to at least one network element device through a network management agent module;
and the network element equipment receives the log processing request and manages the network element equipment log according to the log processing request.
In accordance with one feature of the present invention,
the log processing request includes a set log output parameter request, wherein,
the network management station generates the request for setting the log output parameter, and forwards the request for setting the log output parameter to the network element equipment through the network management agent module;
and the network element equipment sets the original log output parameter according to the log output parameter setting request to obtain the current log output parameter, and generates the current network element equipment log according to the current log output parameter.
In accordance with a further feature of the present invention,
the log processing request comprises a get current log output parameter request, wherein,
the network management station generates the request for obtaining the current log output parameter, and the request for obtaining the current log output parameter is forwarded to the network element equipment through the network management agent module;
and the network element equipment forwards the current log output parameter to the network management station through the network management agent module according to the request for acquiring the current log output parameter.
In accordance with a further feature of the present invention,
the log processing request comprises a log query condition and a request for obtaining a log query result, wherein,
the network management station generates and sets the log query condition, and the log query condition is forwarded to the network element equipment through the network management agent module;
the network element equipment receives and stores the log query condition;
the network management station generates the request for obtaining the log query result, and the request for obtaining the log query result is sent to the network element equipment through the network management agent module;
the network element equipment selects the log query condition according to the log query result acquisition request, filters the current network element equipment log according to the selected log query condition to obtain a log query result set, and sends the log query result set to the network management station through the network management agent module.
In accordance with a further feature of the present invention,
and the network element equipment divides the log query result set according to the number of the single log result returned by the log query condition to obtain a plurality of log query result subsets, sequentially sends the plurality of log query result subsets to the network management station through the network management agent module, and sets a log query result subset pointer.
In accordance with a further feature of the present invention,
the network element equipment judges whether the request for obtaining the log query result is a new query or a re-query according to a new query mark in the request for obtaining the log query result;
if the query is the new query, the network element device filters the current network element device log according to the saved latest log query condition to obtain the log query result set, divides the log query result set according to the number of the log results returned once to obtain a plurality of log query result subsets, takes each log query result subset in the plurality of log query result subsets as one item in a log query result corresponding table, and sends the first log query result subset in the plurality of log query result subsets to the network management agent module;
if the query is performed again, the network element equipment searches the corresponding table of the log query result, sends the next log query result subset to the network management agent module, and sets a pointer of the log query result subset.
In accordance with a further feature of the present invention,
the network element device setting the pointer of the log query result subset includes:
and when the network element equipment sends the current log query result subset, the network element equipment points the log query result subset pointer to the next log query result subset which is adjacent to the current log query result subset.
According to another aspect of the present invention, there is provided a system for managing network element device logs, including:
the network management station is used for generating a log processing request;
the network management agent module is used for forwarding the log processing request to the network element equipment;
and the network element equipment is used for receiving the log processing request and managing the network element equipment log according to the log processing request.
In accordance with one feature of the present invention,
the network management station is used for generating a request for setting log output parameters;
the network management agent module is used for forwarding the request for setting the log output parameter to the network element equipment;
and the network element equipment is used for setting the original log output parameter according to the log output parameter setting request to obtain the current log output parameter, and generating the current network element equipment log according to the current log output parameter.
In accordance with a further feature of the present invention,
the network management station is used for generating a request for acquiring the current log output parameters;
the network management agent module is used for forwarding the request for obtaining the current log output parameter to the network element equipment;
the network element equipment is used for sending the current log output parameter to the network management agent module according to the request for obtaining the current log output parameter;
and the network management agent module is used for forwarding the current log output parameters to the network management station.
In accordance with a further feature of the present invention,
the network management station is used for generating and setting log query conditions;
the network management agent module is used for forwarding the log query condition to the network element equipment;
the network element equipment is used for receiving and storing the log query condition;
the network management station is used for generating a request for acquiring a log query result;
the network management agent module is used for sending the request for obtaining the log query result to the network element equipment;
the network element equipment is used for selecting the log query condition according to the log query result acquisition request, filtering the current network element equipment log according to the selected log query condition to obtain a log query result, and sending the log query result to the network management agent module;
and the network management agent module is used for sending the log query result to the network management station.
In accordance with a further feature of the present invention,
and the network element equipment is used for dividing the log query result set according to the number of the single log result returned by the log query condition to obtain a plurality of log query result subsets, sequentially sending the plurality of log query result subsets to the network management agent module, and setting a log query result subset pointer.
In accordance with a further feature of the present invention,
the network element equipment is used for judging whether the request for obtaining the log query result is a new query or a re-query according to a new query mark in the request for obtaining the log query result;
if the query is the new query, the network element device is configured to filter the current network element device log according to the saved latest log query condition to obtain a log query result set, divide the log query result set according to the number of log results returned in a single time to obtain a plurality of log query result subsets, use each of the plurality of log query result subsets as one item in a log query result corresponding table, and send a first log query result subset of the plurality of log query result subsets to the network management agent module;
if the query is performed again, the network element device is configured to search the table corresponding to the log query result, send the next log query result subset to the network management agent module, and set a pointer to the log query result subset.
In accordance with a further feature of the present invention,
the network element device is configured to, when sending the current log query result subset, point the log query result subset pointer to a next log query result subset that is immediately adjacent to the current log query result subset.
The method and the system for managing the network element equipment logs are particularly suitable for media transcoding equipment in a video monitoring system in the field of fixed network and mobile network fusion, realize the centralized and dynamic management of a plurality of network element equipment logs in a network management station, do not need to redesign special log management software, can easily realize the operations of setting, inquiring and the like of the network element equipment logs based on a setting/obtaining interface of an SNMP protocol, meet the urgent requirements of users, and greatly facilitate managers and developers to position the faults of the network element equipment and backtrack service information.
Drawings
Fig. 1 is a block diagram of a log management system of a network element device in an embodiment of the present invention;
fig. 2 is a flowchart of a method for setting and obtaining a log output parameter of a network element device in an embodiment of the present invention;
fig. 3 is a flowchart of a method for querying a network element device log in an embodiment of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
Fig. 1 is a block diagram of a log management system of a network element device in an embodiment of the present invention, where fig. 1 includes:
the network management station 101, as a master console of the network element device log management system, is configured to provide a management control interface for a network administrator to obtain and change configuration, information, status, and the like of the network element device, and receive an alarm sent by the network management agent module and perform corresponding processing.
The network management agent modules 1041, 1042, and 104n are interposed between the network management station and the network element devices, and are configured to communicate with the network management station and respond to a request from the network management station to obtain corresponding data from the network element devices or perform corresponding settings on the network element devices. According to different implementations, the network management agent modules 1041, 1042, and 104n may exist as separate devices or may be a part of a program of a network element device.
The network 102 may be a wired network or a wireless network based on the SNMP network management protocol.
The network Management station 101 and the network element devices 1031, 1032, 103n use a unified Management Information Base (MIB). Defining log output parameters, log query conditions, log query result requests, a log query result subset pointer, a total number of log query results and a log query result set in a management information base, wherein,
the log output parameters include: log output level, log output time, log output destination, log output format and other parameters.
The log query conditions comprise: log time, log level, regular expression of log format, number of log results returned in one time and other parameters. The log query conditions are further divided into general query conditions and specific query conditions, wherein,
the common log query conditions comprise a combination character string of log time, log level and the like, and are used for carrying out common log query;
the specific log query conditions comprise log time, log level and regular expression character strings in a log format, and are used for querying logs conforming to a specific mode;
the log query result request includes a new query flag indicating whether a new query needs to be restarted;
the log query result subset pointer and the total number of the log results are used for the condition that the log query results need to be returned for multiple times;
the log result set is used for returning the log query result, and can be a table comprising various parts of logs divided according to rules.
In the embodiment of the present invention, the network management station 101 generates at least one log processing request, and forwards the log processing request to the network element devices 1031, 1032, and 103n through the network management agent modules 1041, 1042, and 104 n; the network element devices 1031, 1032, 103n receive the log processing request, and manage the logs of the network element devices 1031, 1032, 103n according to the log processing request. Wherein the log processing request comprises: setting a log output parameter request, acquiring a current log output parameter request, a log query condition and acquiring a log query result request.
Fig. 2 is a flowchart of a method for setting and obtaining a log output parameter of a network element device in the specific implementation of the present invention, where fig. 2 includes the following steps:
In step 203, the network management agent module receives the request for setting the log output parameter and sends the request for setting the log parameter output to the network element device.
And step 204, the network element equipment receives the request for setting the log output parameter, sets the original log output parameter according to the request for setting the log output parameter to obtain the current log output parameter, and generates the current network element equipment log according to the current log output parameter.
In step 204, the network element device sets parameters such as an original log output level, an original log output time, an original log output destination, and an original log output format in the original log output parameters according to the request for setting the log output parameters, so as to obtain current log output parameters, where the current log output parameters include parameters such as a current log output level, a current log output time, a current log output destination, and a current log output format.
In step 205, the network management station generates a request for obtaining the current log output parameter, and sends the request for obtaining the current log output parameter to the network management agent module.
In step 206, the network management agent module receives the request for obtaining the current log output parameter, and sends the request for obtaining the current log output parameter to the network element device.
Step 207, the network element device receives the request for obtaining the current log output parameter, and sends the current log output parameter to the network management agent module according to the request for obtaining the current log output parameter.
In step 208, the network management agent module receives the current log output parameter and sends the current log output parameter to the network management station.
For a network system including multiple network element devices, the network management station may traverse each network element device, and implement batch setting of log output parameters of the multiple network element devices and obtain current log output parameters of the multiple network element devices by performing the above steps 201 to 208 on each network element device.
Fig. 3 is a flowchart of a method for querying a network element device log in an embodiment of the present invention, including the following steps:
In step 302, the network management station sets log query conditions including setting log time, log level, regular expression of log format, number of log results returned in a single time, and the like. The network management station can set the log query condition once or set the log query condition one by one for many times according to the difference of the log query condition, such as setting log time, log level, regular expression of log format and the number of log results returned once one by one.
In step 306, the network management agent module receives the request for obtaining the log query result and sends the request for obtaining the log query result to the network element device.
In step 307, the network element device filters the log file according to log query conditions such as log time, log level, and regular expression of log format, to obtain a log query result set, so as to query the log with specified time, specified level, and specified format according to current needs.
Because the network management protocol limits the size of the network management message and the network management data, when the data volume of the log query result exceeds the size specified by the network management protocol, the network element equipment divides the log query result set according to the number of the single-time returned log results in the log query condition to obtain a plurality of log query result subsets which meet the log query condition, and then the plurality of log query result subsets are sequentially sent to the network management agent module by executing a plurality of re-queries. In the embodiment of the invention, the network element equipment makes the log query result set which meets the log query condition into a log query result corresponding table, wherein each log query result subset in a plurality of log query result subsets is used as one item in the log query result corresponding table.
The network element equipment judges whether the request for obtaining the log query result is a new query or a re-query according to the new query mark,
for new query, the network element equipment calls a script to filter log files according to the saved latest log query condition to obtain a log query result set, divides the log query result set according to the number of the log results returned once and the data length limit of the network protocol, takes each log query result subset as one item in a log query result corresponding table, and sends a first log query result subset in a plurality of log query result subsets to the network management agent module;
for the re-query, the network element equipment searches the log query result corresponding table, sends the next log query result subset to the network management agent module, and sets a log query result subset pointer. For example, if the network element device searches the log query result correspondence table to find that the last query is a new query, the first log query result subset has been sent to the network management agent module in the last query process, so that for the current query again, the second log query result subset is sent to the network management agent module, and the log query result subset pointer is set to point to the third log query result subset. Further, if the network element device searches the table corresponding to the log query result and finds that the last query is a second query, the second subset of the log query result is sent to the network management agent module in the last query process, so that for the current second query, the third subset of the log query result is sent to the network management agent module, and the log query result subset pointer is set to point to the fourth subset of the log query result. And the rest is repeated until all the log query result subsets in the log query result set are sent completely.
If the network element device has not completely sent all the log query result subsets and receives a new log query condition sent by the network management station, the current log query result set and the log query result subset pointer need to be reset, and the log query process is restarted according to the new log query condition.
In addition, if the network element device does not obtain the log query result set meeting the log query condition after filtering the log file according to the log query condition, the network element device sends a message of the log query result not meeting the log query condition to the network management agent module.
In step 309, the network management station receives the log query result.
In step 309, after receiving the log query result, the network management station may import the log query result into a database to be recorded or export the log query result into a log file for immediate analysis. In addition, the network management station may also configure other log query policies, for example, periodically query logs of some fixed modes of a batch of network element devices, and the obtained log query result may be used to count historical information of the service.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, alterations, combinations, equivalents, improvements and the like made to the embodiments of the present invention within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (12)
1. A method for network element device log management, comprising:
the network management station generates at least one log processing request, and the log processing request is forwarded to at least one network element device through a network management agent module;
the network element equipment receives the log processing request and manages the network element equipment log according to the log processing request, wherein,
the log processing request includes a set log output parameter request, wherein,
the network management station generates the request for setting the log output parameter, and forwards the request for setting the log output parameter to the network element equipment through the network management agent module;
and the network element equipment sets the original log output parameter according to the log output parameter setting request to obtain the current log output parameter, and generates the current network element equipment log according to the current log output parameter.
2. The method of claim 1,
the log processing request comprises a get current log output parameter request, wherein,
the network management station generates the request for obtaining the current log output parameter, and the request for obtaining the current log output parameter is forwarded to the network element equipment through the network management agent module;
and the network element equipment forwards the current log output parameter to the network management station through the network management agent module according to the request for acquiring the current log output parameter.
3. The method of claim 1,
the log processing request comprises a log query condition and a request for obtaining a log query result, wherein,
the network management station generates and sets the log query condition, and the log query condition is forwarded to the network element equipment through the network management agent module;
the network element equipment receives and stores the log query condition;
the network management station generates the request for obtaining the log query result, and the request for obtaining the log query result is sent to the network element equipment through the network management agent module;
the network element equipment selects the log query condition according to the log query result acquisition request, filters the current network element equipment log according to the selected log query condition to obtain a log query result set, and sends the log query result set to the network management station through the network management agent module.
4. The method of claim 3,
and the network element equipment divides the log query result set according to the number of the single log result returned by the log query condition to obtain a plurality of log query result subsets, sequentially sends the plurality of log query result subsets to the network management station through the network management agent module, and sets a log query result subset pointer.
5. The method of claim 4,
the network element equipment judges whether the request for obtaining the log query result is a new query or a re-query according to a new query mark in the request for obtaining the log query result;
if the query is the new query, the network element device filters the current network element device log according to the saved latest log query condition to obtain the log query result set, divides the log query result set according to the number of the log results returned once to obtain a plurality of log query result subsets, takes each log query result subset in the plurality of log query result subsets as one item in a log query result corresponding table, and sends the first log query result subset in the plurality of log query result subsets to the network management agent module;
if the query is performed again, the network element equipment searches the corresponding table of the log query result, sends the next log query result subset to the network management agent module, and sets a pointer of the log query result subset.
6. The method according to claim 4 or 5,
the network element device setting the pointer of the log query result subset includes:
and when the network element equipment sends the current log query result subset, the network element equipment points the pointer of the log query result subset to the next log query result subset which is adjacent to the current log query result subset.
7. A system for network element device log management, comprising:
the network management station is used for generating a log processing request;
the network management agent module is used for forwarding the log processing request to the network element equipment;
the network element equipment is used for receiving the log processing request and managing the network element equipment log according to the log processing request; wherein,
the network management station is used for generating a request for setting log output parameters;
the network management agent module is used for forwarding the request for setting the log output parameter to the network element equipment;
and the network element equipment is used for setting the original log output parameter according to the log output parameter setting request to obtain the current log output parameter, and generating the current network element equipment log according to the current log output parameter.
8. The system of claim 7,
the network management station is used for generating a request for acquiring the current log output parameters;
the network management agent module is used for forwarding the request for obtaining the current log output parameter to the network element equipment;
the network element equipment is used for sending the current log output parameter to the network management agent module according to the request for obtaining the current log output parameter;
and the network management agent module is used for forwarding the current log output parameters to the network management station.
9. The system of claim 7,
the network management station is used for generating and setting log query conditions;
the network management agent module is used for forwarding the log query condition to the network element equipment;
the network element equipment is used for receiving and storing the log query condition;
the network management station is used for generating a request for acquiring a log query result;
the network management agent module is used for sending the request for obtaining the log query result to the network element equipment;
the network element equipment is used for selecting the log query condition according to the log query result acquisition request, filtering the current network element equipment log according to the selected log query condition to obtain a log query result, and sending the log query result to the network management agent module;
and the network management agent module is used for sending the log query result to the network management station.
10. The system of claim 9,
and the network element equipment is used for segmenting the log query result set according to the number of the single log result returned by the log query condition to obtain a plurality of log query result subsets, sequentially sending the plurality of log query result subsets to the network management agent module, and setting a log query result subset pointer.
11. The system of claim 10,
the network element equipment is used for judging whether the request for obtaining the log query result is a new query or a re-query according to a new query mark in the request for obtaining the log query result;
if the query is the new query, the network element device is configured to filter the current network element device log according to the saved latest log query condition to obtain a log query result set, divide the log query result set according to the number of log results returned in a single time to obtain a plurality of log query result subsets, use each of the plurality of log query result subsets as one item in a log query result corresponding table, and send a first log query result subset of the plurality of log query result subsets to the network management agent module;
if the query is performed again, the network element device is configured to search the table corresponding to the log query result, send the next log query result subset to the network management agent module, and set a pointer to the log query result subset.
12. The system of claim 10 or 11,
the network element device is configured to, when sending the current log query result subset, point the log query result subset pointer to a next log query result subset that is immediately adjacent to the current log query result subset.
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| CN101873592B (en) * | 2010-06-30 | 2012-09-05 | 北京航空航天大学 | Dynamic management device for heterogeneous wireless equipment |
| US9325748B2 (en) * | 2012-11-15 | 2016-04-26 | Microsoft Technology Licensing, Llc | Characterizing service levels on an electronic network |
| US9565080B2 (en) | 2012-11-15 | 2017-02-07 | Microsoft Technology Licensing, Llc | Evaluating electronic network devices in view of cost and service level considerations |
| CN105790979A (en) * | 2014-12-22 | 2016-07-20 | 中兴通讯股份有限公司 | Network operation management method and device |
| CN104980750B (en) * | 2015-06-30 | 2018-04-20 | 北京奇艺世纪科技有限公司 | A kind of collection method of video code conversion daily record, apparatus and system |
| CN105656694B (en) * | 2016-03-15 | 2018-09-28 | 上海缔安科技股份有限公司 | a kind of device log processing method |
| CN112860533B (en) * | 2021-03-15 | 2022-06-17 | 西安电子科技大学 | Distributed unmanned aerial vehicle group network log analysis-oriented anomaly detection method and equipment |
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