CN103198007A - Multi-process log output method and system - Google Patents
Multi-process log output method and system Download PDFInfo
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- CN103198007A CN103198007A CN2012100042448A CN201210004244A CN103198007A CN 103198007 A CN103198007 A CN 103198007A CN 2012100042448 A CN2012100042448 A CN 2012100042448A CN 201210004244 A CN201210004244 A CN 201210004244A CN 103198007 A CN103198007 A CN 103198007A
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Abstract
The invention discloses a multi-process log output method. Multiple processes comprise a main process and sub-processes interacting with the main process. The method comprises the steps as follows: firstly, obtaining the log information of the sub-processes and the time stamps of the log information by the main process; secondly, caching the log information of the sub-processes according to the time stamps; and lastly, obtaining the cached log information of the sub-processes and outputting as a log file by the main process. When an application program has multiple processes perform log output, the log information of the sub-processes is intensively cached in the main process, arranged according to a time sequence and output in a log file. Therefore, the logs of the multi-process application program can be uniformly output through the method. In addition, the invention further provides a multi-process log output system.
Description
[technical field]
The present invention relates to computer technology, particularly relate to a kind of log-output method and system of multi-process.
[background technology]
Application program some status informations, particularly error message in operational process have been recorded in daily record (LOG).Can follow the tracks of, navigate to the position that software is made mistakes fast by daily record, the convenient reparation.Therefore, daily record is for software developer's maintenance software, and is particularly important.
Application program on the market is in order to pursue low coupling, high stability at present, and what adopt when program development is the framework of multi-process.But the framework of multi-process makes output and admin log just become a difficult problem.General way is that each process all comprises a logger module, the daily record of its place process of output that each logger module is independent.The advantage of this mode is that former logger module does not need to revise, and processing procedure is simple.
But owing to the relation of operating system file protection, the daily record of each process can not unified output can only be by many parts of journal files of place process generation in same journal file in chronological order efficiently.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of log-output method of the multi-process that the daily record of the application program of multi-process can be unified to export.
A kind of log-output method of multi-process, described multi-process comprise host process and carry out mutual subprocess with described host process, may further comprise the steps:
Obtain the log information of subprocess and the timestamp of described log information by described host process;
Described host process is carried out buffer memory according to described timestamp with the log information of described subprocess;
Described host process obtain buffer memory described subprocess log information and be output as journal file.
In addition, also be necessary to provide a kind of daily record output system of the multi-process that the daily record of the application program of multi-process can be unified to export, comprise host process module and subprocess module, described host process module comprises:
Communication module is used for obtaining the log information of subprocess and the timestamp of described log information;
Cache module is used for according to described timestamp the log information of described subprocess being carried out buffer memory; And
The daily record output module, be used for obtaining buffer memory described subprocess log information and be output as journal file.
The log-output method of above-mentioned multi-process and system at first obtain the log information of subprocess and the timestamp of log information by host process, and according to timestamp the log information of subprocess are carried out buffer memory; Then, host process obtain buffer memory subprocess log information and be output as journal file.When application program had a plurality of processes to need daily record output, the log information of a plurality of subprocesss was concentrated earlier and is cached in the host process, and arranges according to time sequencing, exports at last in a journal file.Therefore, the daily record of the application program of multi-process can be unified output by said method and system.
[description of drawings]
Fig. 1 is the schematic flow sheet of the log-output method of multi-process among the embodiment;
Fig. 2 is the schematic flow sheet that obtains the timestamp of the log information of subprocess and log information among the embodiment by host process;
Fig. 3 carries out the log information of subprocess according to timestamp the schematic flow sheet of buffer memory for host process;
Fig. 4 carries out the log information of subprocess according to timestamp the schematic diagram of buffer memory for host process;
Fig. 5 is the structural representation of the daily record output system of multi-process among the embodiment;
Fig. 6 is the structural representation of communication module among the embodiment;
Fig. 7 is the structural representation of cache module among the embodiment;
Fig. 8 is the structural representation of the daily record output system of multi-process among another embodiment.
[embodiment]
In the application program of multi-process framework, multi-process comprises host process and carries out mutual a plurality of subprocesss with host process.
As shown in Figure 1, in one embodiment, the log-output method of multi-process may further comprise the steps:
Step S110 obtains the log information of subprocess and the timestamp of log information by host process.
Log information comprises numbering and the process name of the subprocess that produces this log information, shows the source of this log information with this.Log information also comprises log content, and log content is the core of log information, is used for duty, failure message and operational factor etc. that record produces the subprocess of this log information.Recorded the time that each log information produces in the timestamp.
As shown in Figure 2, in one embodiment, above-mentioned steps S110 specifically may further comprise the steps:
Step S111, host process is opened the interprocess communication passage.
The interprocess communication passage is IPC (Inter-Process Communication, interprocess communication) passage, can communicate by the IPC passage between two processes.The mode of carrying out interprocess communication has multiple, for example Socket (socket), pipeline and shared drive.In one embodiment, can take communication between the mode implementation process of shared drive.
Step S113, the interprocess communication connection request of reception subprocess is set up communication port with subprocess.
In one embodiment, the establishment of shared drive can have been adopted based on the Client that is connected (C/S) with opening.Host process starts earlier, opens the interprocess communication passage and monitors the connection request of subprocess, when receiving that subprocess is initiated request, then sets up communication port.
In one embodiment, when host process receives the request end of subprocess or monitors subprocess when disconnecting, then close and described subprocess between the interprocess communication passage.
In order to discharge resource, when subprocess normally withdrawed from, host process can be received the request end that subprocess sends, after host process is received the request end, close and this subprocess between communication channel and discharge resource.Stable for what guarantee to communicate by letter; host process is monitored in real time to the communications status of subprocess; when subprocess takes place unusual or collapses; it is unusual that host process can detect the connection of subprocess; though this moment, host process was not received the request end of this subprocess, also can initiatively close and this subprocess between communication channel and discharge resource.
Step S115 receives the log information of subprocess transmission and the timestamp of log information by communication port.
Communication port is communicated by letter between implementation process between subprocess and the host process after setting up, and host process can be obtained the log information of subprocess and the timestamp of log information by communication port.
Step S120, host process is carried out buffer memory according to timestamp with the log information of subprocess.
As shown in Figure 3, in one embodiment, the buffer memory of host process comprises waiting list and finishes formation that above-mentioned steps S120 specifically may further comprise the steps:
Step S121 is cached in the waiting list according to the log information of the order that receives with subprocess.
The log information of the subprocess that host process is obtained and the timestamp of log information at first are cached in the waiting list, subprocess can carry out interprocess communication with host process at any time, and at any time the log information that produces being sent to host process, log information is arranged in proper order according to reception in waiting list.
Step S123, the log information that will be cached in the subprocess in the waiting list according to timestamp is inserted in chronological order to be finished in the formation.
Concrete, from wait for sequence, extract log information successively, further, can extract log information according to the sequencing of the generation time of the log information that records in the timestamp, the log information that extracts is inserted into the afterbody of finishing sequence successively, thereby forms the log information of arranging in chronological order.The log information of subprocess and the timestamp of log information transmit between process with the form of " packet " (packet), and the detailed process of step S120 as shown in Figure 4.
Adopt the mode of above-mentioned deque to receive the efficient that can effectively improve a reception log cache information with the buffer memory log information.Because when the daily record of subprocess constantly was cached in waiting list, the log information in the waiting list can constantly be inserted into according to time sequencing and finish in the sequence the two collaborative work.With respect to single formation mode, can avoid contingent choking phenomenon.
Step S130, host process obtain buffer memory subprocess log information and be output as journal file.
The log information that comprises each subprocess in the journal file of output, and the log information of each subprocess is arranged according to time sequencing.Therefore, the log information that the journal file that obtains is complete in having comprised during the running software, have sequential is convenient to by daily record investigation mistake.
In one embodiment, before step S130, can judge whether host process withdraws from, if, execution in step S130 then, host process obtain buffer memory subprocess log information and be output as journal file, otherwise, return step S110 and continue to obtain the log information of subprocess and the timestamp of log information by host process.
In the present embodiment, before host process did not withdraw from, the log information of subprocess is consistent to be buffered in the host process, unifies outputting log file when host process withdraws from, and can improve the efficient of journal file output.
As shown in Figure 5, the present invention also provides a kind of daily record output system 100 of multi-process, comprise the host process module and carry out at least one mutual subprocess module with the subprocess module, wherein: the host process module comprises communication module 110, cache module 120 and daily record output module 130, wherein:
As shown in Figure 6, in one embodiment, communication module 110 comprises that communication port sets up module 111 and information receiving module 113.Wherein:
Communication port is set up module 111 and is opened the interprocess communication passage for host process, and receives the interprocess communication connection request of subprocess, sets up communication port with subprocess.
The interprocess communication passage is IPC (Inter-Process Communication, interprocess communication) passage, can communicate by the IPC passage between two processes.The mode of carrying out interprocess communication has multiple, for example Socket (socket), pipeline and shared drive.In one embodiment, can take communication between the mode implementation process of shared drive.
In one embodiment, the establishment of shared drive has then been adopted based on the Client that is connected (C/S) with opening.Host process starts earlier, and communication port is set up the connection request that module 111 is opened the interprocess communication passage and monitored subprocess, when receiving that subprocess is initiated request, then sets up communication port.
In one embodiment, set up module 111 when communication port and receive the request end of subprocess or monitor subprocess when disconnecting, close and described subprocess between the interprocess communication passage.
In order to discharge resource, when subprocess normally withdraws from, communication port is set up the request end that module 111 can receive that subprocess sends, after communication port is set up module 111 and is received the request end, close and this subprocess between communication channel and discharge resource.Stable for what guarantee to communicate by letter; communication port is set up the communications status of 111 pairs of subprocesss of module and is monitored in real time; when subprocess takes place unusual or collapses; communication port is set up module 111, and can to detect the connection of subprocess unusual; though this moment communication port set up the request end that module 111 is not received this subprocess, also can initiatively close and this subprocess between communication channel and discharge resource.
Communication port is communicated by letter between implementation process between subprocess and the host process after setting up, and information receiving module 113 can obtain the log information of subprocess and the timestamp of log information by communication port.
As shown in Figure 7, in one embodiment, buffer memory comprises waiting list and finishes formation that cache module 120 comprises waiting list processing module 121 and finishes queue processing module 123.Wherein:
Waiting list processing module 121 is used for according to the order that receives the log information of subprocess being cached in waiting list.
Waiting list processing module 121 at first is cached in the log information of the subprocess that obtains and the timestamp of log information in the waiting list, subprocess can carry out interprocess communication with host process at any time, and at any time the log information that produces being sent to host process, waiting list processing module 121 is arranged log information according to reception in waiting list in proper order.
Finishing log information that queue processing module 123 will be cached in the described subprocess in the waiting list according to timestamp is inserted in chronological order and finishes in the formation.
Concrete, finish queue processing module 123 and from wait for sequence, extract log information successively, further, finish queue processing module 123 and can extract log information according to the sequencing of the generation time of the log information that records in the timestamp, the log information that extracts is inserted into the afterbody of finishing sequence successively, thereby forms the log information of arranging in chronological order.
Adopt the mode of above-mentioned deque to receive the efficient that can effectively improve a reception log cache information with the buffer memory log information.Because when the daily record of subprocess constantly was cached in waiting list, the log information in the waiting list can constantly be inserted into according to time sequencing and finish in the sequence the two collaborative work.With respect to single formation mode, can avoid contingent choking phenomenon.
Daily record output module 130 be used for obtaining buffer memory subprocess log information and be output as journal file.
The log information that comprises each subprocess in the journal file of output, and the log information of each subprocess is arranged according to time sequencing.Therefore, the log information that the journal file that obtains is complete in having comprised during the running software, have sequential is convenient to by daily record investigation mistake.
As shown in Figure 8, in another embodiment, the daily record output system 100 of multi-process also comprises judge module 140.
In the present embodiment, before host process did not withdraw from, the log information of subprocess is consistent to be buffered in the host process, and when host process withdrawed from, daily record output module 130 unified outputting log files can improve the efficient of journal file output.
The log-output method of above-mentioned multi-process and system at first obtain the log information of subprocess and the timestamp of log information by communication module, and according to timestamp the log information of subprocess are carried out buffer memory by cache module; Then, the daily record output module obtain buffer memory subprocess log information and be output as journal file.When application program had a plurality of processes to need daily record output, the log information of a plurality of subprocesss was concentrated earlier and is cached in the host process, and arranges according to time sequencing, exports at last in a journal file.Therefore, the daily record of the application program of multi-process can be unified output by said method and system.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the log-output method of a multi-process, described multi-process comprises host process and carries out mutual subprocess with described host process, may further comprise the steps:
Obtain the log information of subprocess and the timestamp of described log information by described host process;
Described host process is carried out buffer memory according to described timestamp with the log information of described subprocess;
Described host process obtain buffer memory described subprocess log information and be output as journal file.
2. the log-output method of multi-process as claimed in claim 1 is characterized in that, the described step of obtaining the timestamp of the log information of subprocess and described log information by host process comprises:
Described host process is opened the interprocess communication passage;
Receive the interprocess communication connection request of described subprocess, set up communication port with described subprocess;
Receive the log information of described subprocess transmission and the timestamp of described log information by described communication port.
3. the log-output method of multi-process as claimed in claim 2, it is characterized in that, described method also comprises: when described host process receives the request end of described subprocess or monitors described subprocess when disconnecting, close and described subprocess between the interprocess communication passage.
4. the log-output method of multi-process as claimed in claim 1 is characterized in that, the buffer memory of described host process comprises waiting list and finishes formation; Described host process comprises the step that the log information of described subprocess carries out buffer memory according to described timestamp:
Be cached in the described waiting list according to the log information of the order that receives with subprocess;
The log information that will be cached in the described subprocess in the described waiting list according to described timestamp is inserted into described finishing in the formation in chronological order.
5. the log-output method of multi-process as claimed in claim 1 is characterized in that, obtain in described host process buffer memory described subprocess log information and be output as before the step of journal file, also comprise:
Judge whether described host process withdraws from, if, then described host process obtain buffer memory described subprocess log information and be output as journal file, otherwise, enter the described step of obtaining the timestamp of the log information of subprocess and described log information by described host process.
6. the daily record output system of a multi-process comprises host process module and subprocess module, it is characterized in that, described host process module comprises:
Communication module is used for obtaining the log information of subprocess and the timestamp of described log information;
Cache module is used for according to described timestamp the log information of described subprocess being carried out buffer memory; And
The daily record output module, be used for obtaining buffer memory described subprocess log information and be output as journal file.
7. the daily record output system of multi-process as claimed in claim 6 is characterized in that, described communication module comprises:
Communication port is set up module, is used for opening the interprocess communication passage, and receives the interprocess communication connection request of described subprocess, sets up communication port with described subprocess;
Information receiving module is used for receiving the log information of described subprocess transmission and the timestamp of described log information by described communication port.
8. the daily record output system of multi-process as claimed in claim 7, it is characterized in that, described communication port is set up module and also is used for when the request end that receives described subprocess or when monitoring described subprocess disconnection, close and described subprocess between the interprocess communication passage.
9. the daily record output system of multi-process as claimed in claim 6 is characterized in that, described buffer memory comprises waiting list and finishes formation; Described cache module comprises:
The waiting list processing module is used for according to the order that receives the log information of subprocess being cached in described waiting list;
Finish the queue processing module, the log information that will be cached in the described subprocess in the described waiting list according to described timestamp is inserted into described finishing in the formation in chronological order.
10. the daily record output system of multi-process as claimed in claim 6 is characterized in that, also comprises:
Judge module, be used for judging whether described host process withdraws from, if then notify the log information of the described subprocess that described daily record output module obtains buffer memory and be output as journal file, otherwise, notify described communication module to obtain the log information of subprocess and the timestamp of described log information.
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| CN103984621A (en) * | 2014-04-01 | 2014-08-13 | 广州杰赛科技股份有限公司 | Method and system for separating log |
| CN104461931A (en) * | 2014-08-18 | 2015-03-25 | 记忆科技(深圳)有限公司 | Method for output processing of trace logs of multi-kernel storage device and multi-kernel environment |
| CN104461847A (en) * | 2014-12-03 | 2015-03-25 | 北京国双科技有限公司 | Data processing program detection method and device |
| CN105677456A (en) * | 2015-12-30 | 2016-06-15 | 广东欧珀移动通信有限公司 | Process information writing method and user device |
| CN106201822A (en) * | 2016-07-01 | 2016-12-07 | 福建师范大学 | A kind of generation method true to nature of multi-fractal Web daily record based on steady-state process |
| CN106919494A (en) * | 2015-12-25 | 2017-07-04 | 阿里巴巴集团控股有限公司 | The implementation method and device of Android application daily record |
| CN107786565A (en) * | 2017-11-02 | 2018-03-09 | 江苏物联网研究发展中心 | A kind of distributed real-time intrusion detection method and detecting system |
| CN108153654A (en) * | 2017-12-01 | 2018-06-12 | 北京奇艺世纪科技有限公司 | A kind of log collecting method and device |
| CN109447800A (en) * | 2018-10-19 | 2019-03-08 | 中国银行股份有限公司 | A kind of log recording method, device and electronic equipment |
| CN111338893A (en) * | 2020-02-20 | 2020-06-26 | 深圳市腾讯计算机系统有限公司 | Process log processing method and device, computer equipment and storage medium |
| CN111858077A (en) * | 2020-07-15 | 2020-10-30 | 济南浪潮数据技术有限公司 | Recording method, device and equipment for IO request log in storage system |
| CN115328583A (en) * | 2022-10-11 | 2022-11-11 | 深圳华锐分布式技术股份有限公司 | Log printing method, device, equipment and medium based on preset C + + log library |
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| CN103984621A (en) * | 2014-04-01 | 2014-08-13 | 广州杰赛科技股份有限公司 | Method and system for separating log |
| CN104461931A (en) * | 2014-08-18 | 2015-03-25 | 记忆科技(深圳)有限公司 | Method for output processing of trace logs of multi-kernel storage device and multi-kernel environment |
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| CN106919494A (en) * | 2015-12-25 | 2017-07-04 | 阿里巴巴集团控股有限公司 | The implementation method and device of Android application daily record |
| CN106919494B (en) * | 2015-12-25 | 2020-07-17 | 阿里巴巴集团控股有限公司 | Method and device for realizing android application log |
| CN105677456B (en) * | 2015-12-30 | 2019-07-16 | Oppo广东移动通信有限公司 | A kind of write method and user equipment of progress information |
| CN105677456A (en) * | 2015-12-30 | 2016-06-15 | 广东欧珀移动通信有限公司 | Process information writing method and user device |
| CN106201822A (en) * | 2016-07-01 | 2016-12-07 | 福建师范大学 | A kind of generation method true to nature of multi-fractal Web daily record based on steady-state process |
| CN106201822B (en) * | 2016-07-01 | 2019-01-25 | 福建师范大学 | A kind of generation method true to nature of the multi-fractal Web log based on steady-state process |
| CN107786565A (en) * | 2017-11-02 | 2018-03-09 | 江苏物联网研究发展中心 | A kind of distributed real-time intrusion detection method and detecting system |
| CN108153654A (en) * | 2017-12-01 | 2018-06-12 | 北京奇艺世纪科技有限公司 | A kind of log collecting method and device |
| CN108153654B (en) * | 2017-12-01 | 2021-01-22 | 北京奇艺世纪科技有限公司 | Log collection method and device |
| CN109447800A (en) * | 2018-10-19 | 2019-03-08 | 中国银行股份有限公司 | A kind of log recording method, device and electronic equipment |
| CN111338893A (en) * | 2020-02-20 | 2020-06-26 | 深圳市腾讯计算机系统有限公司 | Process log processing method and device, computer equipment and storage medium |
| CN111338893B (en) * | 2020-02-20 | 2023-07-18 | 深圳市腾讯计算机系统有限公司 | Process log processing method, device, computer equipment and storage medium |
| CN111858077A (en) * | 2020-07-15 | 2020-10-30 | 济南浪潮数据技术有限公司 | Recording method, device and equipment for IO request log in storage system |
| CN115328583A (en) * | 2022-10-11 | 2022-11-11 | 深圳华锐分布式技术股份有限公司 | Log printing method, device, equipment and medium based on preset C + + log library |
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Application publication date: 20130710 |
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