CN107148041B - Detection method for abnormal operation of wireless access device and wireless access device - Google Patents

Abstract

The present invention discloses a method for detecting abnormal operation of a wireless access device, comprising the following steps: S10. Obtaining the value of a clock initialization flag when the wireless access device is abnormal; S20. Obtaining the value of the clock initialization flag according to the value of the clock initialization flag. The relative running time when the wireless access device is abnormal; S30, according to the value of the clock initialization flag, further obtain the reference running time of the wireless access device; S40, according to the relative running time of the wireless access device and the reference running time to calculate the abnormal running time of the wireless access device. When the wireless access device of the present invention is abnormal during the running process, the always initialization flag is used to identify whether the wireless access device is in the running process, and then the specific moment when the wireless access device is abnormal during the running process is detected, so as to help Analyze the cause of the exception.

Description

Detection method for abnormal operation of wireless access device and wireless access device

technical field

The present invention belongs to the technical field of wireless access equipment, and particularly relates to a method for detecting abnormal operation of wireless access equipment and the wireless access equipment.

Background technique

A wireless access device (AP) is the most commonly used device when building a small wireless local area network. The wireless AP is equivalent to a bridge connecting the wired network and the wireless network. Its main function is to connect the various wireless network clients together, and then connect the wireless network to the Ethernet.

Most wireless APs support multi-user access, data encryption, multi-rate transmission and other functions, and some wireless APs also provide complete wireless network management functions. For small-scale wireless local area networks such as homes and offices, generally only one wireless AP can achieve wireless access to all computers. The indoor coverage of wireless APs is generally 30m to 100m, and wireless AP products from many manufacturers can be interconnected to increase the WLAN coverage area.

At present, when the wireless AP runs abnormally, the log will record the abnormality of the wireless AP core; however, it is impossible to know the specific date and time when the wireless AP core is abnormal. Knowing the specific date and time when the wireless AP core is abnormal is helpful to find the cause of the abnormal wireless AP core.

SUMMARY OF THE INVENTION

The technical scheme provided by the present invention is as follows:

The present invention provides a method for detecting abnormal operation of a wireless access device, comprising the following steps: S10. When an abnormality occurs in the wireless access device, obtain the value of a clock initialization flag; S20, obtain the value of the clock initialization flag according to the value of the clock initialization flag. S30. According to the value of the clock initialization flag, further obtain the reference operation time of the wireless access device; S40, according to the relative operation time of the wireless access device and The abnormal running time of the wireless access device is calculated with reference to the running time; the relative running time refers to: when the wireless access device is abnormal, the wireless access device is relatively The time stamp when the wireless access device is powered on or connected to the network last time; the reference running time refers to the system time when the wireless access device is powered on or connected to the network last time in the reference area.

Further, before the step S10, it also includes: S01, setting a clock initialization flag in the clock initialization process; S02, when the clock initialization is completed, the value of the clock initialization flag is set to 1; S03, when the clock initialization is not completed, all The value of the clock initialization flag described above is set to 0.

Further, the step S20 includes: S21, judging whether the value of the clock initialization flag is 1; S22, when the value of the clock initialization flag is 1, acquiring the relative running time of the abnormality of the wireless access device ; S23, when the value of the clock initialization flag is 0, record the relative running time of the abnormality of the wireless access device.

Further, the step S30 includes: S31, when the value of the clock initialization flag is 1, further acquiring the reference running time of the wireless access device.

Further, it also includes the following steps: S50, according to the abnormal operation time of the wireless access device and the regional time difference between the reference area and the local area, calculate and record the local abnormal operation time of the wireless access device; The local area includes: the area where the wireless access device is located and the area where the administrator is located.

The present invention also provides a wireless access device, comprising: an acquisition module for acquiring the value of a clock initialization flag when an abnormality occurs in the wireless access device; the acquisition module is further used for obtaining the value of the clock initialization flag according to the value of the clock initialization flag , to obtain the relative running time of the wireless access device when the abnormality occurs; the obtaining module is further configured to further obtain the reference running time of the wireless access device according to the value of the clock initialization flag; the calculation module is used for According to the relative running time of the wireless access device and the reference running time, the abnormal running time of the wireless access device is calculated; the relative running time refers to: when the wireless access device is abnormal, the The time stamp of the wireless access device relative to the time when the wireless access device was powered on or connected to the network last time; the reference running time refers to the time when the wireless access device was powered on or last connected in the reference area System time when networked.

Further, it also includes: a setting module for setting the clock initialization flag in the clock initialization process; when the clock initialization is completed, the value of the clock initialization flag is set to 1; when the clock initialization is not completed, the value of the clock initialization flag is set to 1 is 0.

Further, it also includes: a judging module for judging whether the value of the clock initialization flag is 1; the acquiring module is also used for acquiring the wireless access device when the value of the clock initialization flag is 1 The relative running time when the abnormality occurs; the recording module is configured to record the relative running time when the abnormality occurs in the wireless access device when the value of the clock initialization flag is 0.

Further, the acquiring module is further configured to further acquire the reference running time of the wireless access device when the value of the clock initialization flag is 1.

Further, the calculation module is further configured to calculate and record the local abnormal operation time of the wireless access device according to the abnormal operation time of the wireless access device and the regional time difference between the reference area and the local area ; The local area includes: the area where the wireless access device is located and the area where the administrator is located.

Compared with the prior art, the method for detecting abnormal operation of a wireless access device and the wireless access device provided by the present invention have the following beneficial effects:

1), when the wireless access device of the present invention is abnormal during the running process, use the always initialized flag to identify whether the wireless access device is in the running process, and then detect the specific moment when the wireless access device is abnormal during the running process. , to help analyze the cause of the exception.

2), the present invention uses the always initialization flag to identify whether the wireless access device is in the running process, firstly detects the relative running time of its wireless access device abnormality, and then detects the abnormal reference operation of its wireless access device. time; finally, the specific time when an abnormality occurs in the wireless access device during operation is obtained by calculation.

3) Before the wireless access device of the present invention operates normally, that is, during the initialization process, when an abnormal situation occurs, the relative time when the wireless access device is abnormal is recorded.

4) After the present invention detects the specific time when the wireless access device is abnormal during the running process, the specific time can also be converted into the local abnormal time, so as to facilitate the user to check.

Description of drawings

In the following, the preferred embodiments will be described with reference to the accompanying drawings in a clear and easy-to-understand manner, and a method for detecting abnormal operation of a wireless access device and the above-mentioned characteristics, technical features, advantages and implementation methods of the wireless access device will be further described.

1 is a schematic flowchart of a method for detecting abnormal operation of a wireless access device according to the present invention;

2 is a schematic flowchart of another method for detecting abnormal operation of a wireless access device according to the present invention;

3 is a schematic flowchart of still another method for detecting abnormal operation of a wireless access device according to the present invention;

FIG. 4 is a schematic diagram of the composition structure of a wireless access device according to the present invention;

5 is a schematic flowchart of another method for detecting abnormal operation of a wireless access device according to the present invention;

FIG. 6 is a schematic diagram of a partial kernel startup process of a wireless access device according to the present invention.

Description of reference numbers:

10. Setting module, 20, Obtaining module, 30, Judging module, 40, Calculating module, 50, Recording module.

Detailed ways

In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, the specific embodiments of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts, and obtain other implementations.

In order to keep the drawings concise, the drawings only schematically show the parts related to the present invention, and they do not represent its actual structure as a product. In addition, in order to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. As used herein, "one" not only means "only one", but also "more than one".

As shown in FIG. 1, according to an embodiment of the present invention, a method for detecting abnormal operation of a wireless access device includes the following steps: preferably, it further includes: S01, setting a clock initialization flag in a clock initialization process;

S02, when the clock initialization is completed, the value of the clock initialization flag is set to 1;

S03. When the clock initialization is not completed, the value of the clock initialization flag is set to 0.

S10. When an abnormality occurs in the wireless access device, obtain the value of the clock initialization flag;

S20, according to the value of the clock initialization flag, obtain the relative running time of the abnormality of the wireless access device;

S30, further acquiring the reference running time of the wireless access device according to the value of the clock initialization flag;

S40. Calculate the abnormal running time of the wireless access device according to the relative running time and the reference running time of the wireless access device.

Specifically, at the end of the clock initialization process of the timer in the kernel startup process, the clock initialization flag printk_time_finish_initialization is set. After the timer completes the clock initialization, set the clock initialization flag printk_time_finish_initialization=1; when the timer has not completed the clock initialization, set the clock initialization flag printk_time_finish_initialization=0. During the operation of the wireless access device, that is, the wireless access device completes the kernel startup process; when an abnormality occurs in the wireless access device, such as communication interruption, crash, etc., the value of the clock initialization flag printk_time_finish_initialization is 1 or 0. Then, according to the value of the clock initialization flag printk_time_finish_initialization, the relative running time and the reference running time of the abnormality of the wireless access device are obtained, and then the abnormal running time of the wireless access device is calculated.

As shown in FIG. 2, according to another embodiment of the present invention, a method for detecting abnormal operation of a wireless access device includes the following steps: preferably, it further includes: S01, setting a clock initialization flag in a clock initialization process;

S02, when the clock initialization is completed, the value of the clock initialization flag is set to 1;

S03. When the clock initialization is not completed, the value of the clock initialization flag is set to 0.

S10. When an abnormality occurs in the wireless access device, obtain the value of the clock initialization flag;

S21, judging whether the value of the clock initialization flag is 1;

S22. When the value of the clock initialization flag is 1, obtain the relative running time of the abnormality of the wireless access device;

S23. When the value of the clock initialization flag is 0, record the relative running time when the wireless access device is abnormal; the relative running time refers to: when the wireless access device is abnormal, the The time stamp of the wireless access device relative to the time when the wireless access device was powered on or last connected to the network.

S31. When the value of the clock initialization flag is 1, further obtain the reference running time of the wireless access device; the reference running time refers to: in the reference area, the wireless access device is powered on or The system time when the network was last connected.

S40. Calculate the abnormal running time of the wireless access device according to the relative running time and the reference running time of the wireless access device.

Specifically, the present invention mainly calculates the abnormal running time when an abnormality occurs during the running process of the wireless access device. When a crystal oscillator is set on the wireless access device, its timestamp and system time are obtained when the wireless access device is powered on; when there is no crystal oscillator set on the wireless access device, its timestamp and system time It is updated when the wireless access device surfs the Internet.

When the value of the clock initialization flag printk_time_finish_initialization is 1, the kernel starts the timer in the process to complete the clock initialization. For the specific process of the kernel start process, please refer to the prior art and FIG. 6 , which will not be described in detail here. First, the time stamp of the wireless access device relative to the time when the wireless access device was powered on or connected to the network last time is obtained, for example, 300 seconds. Then obtain the system time when the wireless access device in the reference area was powered on or connected to the network last time, for example, June 10, 2010, 10:10 am. According to the system time, such as June 10, 2010, 10:10 am, and the timestamp, such as 300 seconds; the abnormal operation time of the wireless access device is calculated as June 10, 2010, 10:15 am.

When the value of the clock initialization flag printk_time_finish_initialization is 0, the kernel starts the timer in the process, and the clock initialization is not completed, that is, the wireless access device is not running; the wireless access device is abnormal and directly records the wireless access device relative to the wireless access device. The timestamp of when the access device was powered on or last connected to the network, for example, 300 seconds.

As shown in FIG. 3, according to another embodiment of the present invention, a method for detecting abnormal operation of a wireless access device includes the following steps: preferably, it further includes: S01, setting a clock initialization flag in a clock initialization process;

S02, when the clock initialization is completed, the value of the clock initialization flag is set to 1;

S03. When the clock initialization is not completed, the value of the clock initialization flag is set to 0.

S10. When an abnormality occurs in the wireless access device, obtain the value of the clock initialization flag;

S21, judging whether the value of the clock initialization flag is 1;

S22. When the value of the clock initialization flag is 1, obtain the relative running time of the abnormality of the wireless access device;

S23. When the value of the clock initialization flag is 0, record the relative running time when the wireless access device is abnormal; the relative running time refers to: when the wireless access device is abnormal, the The time stamp of the wireless access device relative to the time when the wireless access device was powered on or last connected to the network.

S31. When the value of the clock initialization flag is 1, further obtain the reference running time of the wireless access device; the reference running time refers to: in the reference area, the wireless access device is powered on or The system time when the network was last connected.

S40. Calculate the abnormal running time of the wireless access device according to the relative running time and the reference running time of the wireless access device.

S50, according to the abnormal operation time of the wireless access device and the regional time difference between the reference area and the local area, calculate and record the local abnormal operation time of the wireless access device; the local area includes: all The area where the wireless access device is located and the area where the administrator is located.

Specifically, when the wireless access device is located in region A, such as Beijing; the administrator is located in region B, such as the United States; the abnormal operation time of the wireless access device refers to the abnormal operation time of the wireless access device in region A; In area B, the abnormal operation time of the wireless access device in area A is converted into the abnormal operation time of the wireless access device in area B.

When the wireless access device is located in region B (such as Xinjiang) and is connected to the network, the wireless access device calculates the abnormal running time according to the network time. If the network is timed according to region A (Beijing); The abnormal operation time of the region is converted into the abnormal operation time of the wireless access device in the B region.

As shown in FIG. 4 , according to an embodiment of the present invention, a wireless access device includes: preferably, further includes: a setting module 10 for setting a clock initialization flag in a clock initialization process; when the clock initialization is completed, The value of the clock initialization flag is set to 1; when the clock initialization is not completed, the value of the clock initialization flag is set to 0.

The obtaining module 20 is used for obtaining the value of the clock initialization flag when the wireless access device is abnormal;

Judging module 30, for judging whether the value of the clock initialization flag is 1;

The acquiring module 20 is further configured to acquire the relative running time of the abnormality of the wireless access device when the value of the clock initialization flag is 1;

The recording module 50 is configured to record the relative running time when the wireless access device is abnormal when the value of the clock initialization flag is 0; the relative running time refers to: when the wireless access device is abnormal , the time stamp of the wireless access device relative to the time when the wireless access device was powered on or last connected to the network.

The acquisition module 20 is further configured to further acquire the reference running time of the wireless access device when the value of the clock initialization flag is 1; the reference running time refers to: the wireless access time in the reference area The system time when the access device was powered on or last connected to the network.

The calculation module 40 is configured to calculate the abnormal running time of the wireless access device according to the relative running time and the reference running time of the wireless access device.

The computing module 40 is further configured to calculate and use the recording module 50 to record the wireless access device according to the abnormal operation time of the wireless access device and the regional time difference between the reference region and the local region. The local abnormal operation time; the local area includes: the area where the wireless access device is located and the area where the administrator is located.

As shown in FIG. 5 , according to another embodiment of the present invention, a method for detecting abnormal operation of a wireless access device includes the following steps: setting an initialization completion flag printk_time_finish_initialization after completion of time and timer initialization, and setting it to 1. Modify the kernel print function to display the timestamp function code to display the date and time;

Enter the vprintk() function to determine whether the clock initialization is completed; that is, check whether the value of the initialization completion flag printk_time_finish_initialization is 1; when the value of the initialization completion flag printk_time_finish_initialization is 0, print the timestamp; the timestamp is the relative value since the AP is powered on. The time is not the specific time when the abnormal information appears. When the value of the initialization completion flag printk_time_finish_initialization is 1, call the do_gettime ofday() function to get the current time, and the do_gettime ofday() function will use the timestamp and the system time to get the current time. Then call the time_to_tm() function to convert the current time to local time. Return the printed timestamp and local time to the time scalar tbuf, and record the printed timestamp and local time.

printk() is a function that runs in the kernel to display console output. By modifying this function, set the clock initialization completion flag, and call the time acquisition function after initialization to acquire and update the time. When calling this function to print information to the screen during the AP running process, the current date and time are added in front of the information, so as to locate the moment when the AP runs abnormally.

Traditionally, AP (access point) devices sometimes have exceptions during use. To view the print information on the screen through Telnet or Serial, only the time stamp in front of the exception information (printed by the printk function) can be viewed. The information printed to the screen by the printk() function can be used to view the relative running time since the AP was powered on.

It should be noted that the above embodiments can be freely combined as required. The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (4)

1. A method for detecting abnormal operation of a wireless access device, comprising the following steps: S01. Set the clock initialization flag in the clock initialization process; S02, when the clock initialization is completed, the value of the clock initialization flag is set to 1; S03, when the clock initialization is not completed, the value of the clock initialization flag is set to 0; S10. When an abnormality occurs in the wireless access device, obtain the value of the clock initialization flag; S20, according to the value of the clock initialization flag, obtain the relative running time of the abnormality of the wireless access device, which specifically includes: S21, judging whether the value of the clock initialization flag is 1; S22. When the value of the clock initialization flag is 1, obtain the relative running time of the abnormality of the wireless access device; S23, when the value of the clock initialization flag is 0, record the relative running time of the abnormality of the wireless access device; S30. According to the value of the clock initialization flag, further obtain the reference running time of the wireless access device, which specifically includes: S31. When the value of the clock initialization flag is 1, further obtain the reference running time of the wireless access device; S40. Calculate the abnormal running time of the wireless access device according to the relative running time and the reference running time of the wireless access device; The relative running time refers to: when the wireless access device is abnormal, the time stamp of the wireless access device relative to the time when the wireless access device is powered on or connected to the network last time; The reference running time refers to the system time when the wireless access device is powered on or connected to the network last time in the reference area. 2. The method for detecting abnormal operation of a wireless access device as claimed in claim 1, further comprising the following steps: S50, according to the abnormal operation time of the wireless access device and the regional time difference between the reference area and the local area, calculate and record the local abnormal operation time of the wireless access device; The local area includes: the area where the wireless access device is located and the area where the administrator is located. 3. A wireless access device, comprising: The setting module is used to set the clock initialization flag in the clock initialization process; when the clock initialization is completed, the value of the clock initialization flag is set to 1; when the clock initialization is not completed, the value of the clock initialization flag is set to 0; The acquisition module is used to acquire the value of the clock initialization flag when the wireless access device is abnormal; The obtaining module is further configured to obtain, according to the value of the clock initialization flag, the relative running time of the abnormality occurring in the wireless access device, which specifically includes: a judging module for judging whether the value of the clock initialization flag is 1; The obtaining module is further configured to obtain the relative running time of the abnormality of the wireless access device when the value of the clock initialization flag is 1; a recording module, configured to record the abnormal relative running time of the wireless access device when the value of the clock initialization flag is 0; The obtaining module is further configured to further obtain the reference running time of the wireless access device according to the value of the clock initialization flag, and the obtaining module is further configured to, when the value of the clock initialization flag is 1, then further obtain the reference running time of the wireless access device; a calculation module, configured to calculate the abnormal running time of the wireless access device according to the relative running time and the reference running time of the wireless access device; The relative running time refers to: when the wireless access device is abnormal, the time stamp of the wireless access device relative to the time when the wireless access device is powered on or connected to the network last time; The reference running time refers to the system time when the wireless access device is powered on or connected to the network last time in the reference area. 4. The wireless access device according to claim 3, wherein: The computing module is further configured to calculate and record the local abnormal operation time of the wireless access device according to the abnormal operation time of the wireless access device and the regional time difference between the reference area and the local area; The local area includes: the area where the wireless access device is located and the area where the administrator is located.

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