CN109714209A - A kind of diagnostic method and system of website visiting failure - Google Patents
A kind of diagnostic method and system of website visiting failure Download PDFInfo
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- CN109714209A CN109714209A CN201811633114.4A CN201811633114A CN109714209A CN 109714209 A CN109714209 A CN 109714209A CN 201811633114 A CN201811633114 A CN 201811633114A CN 109714209 A CN109714209 A CN 109714209A
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Abstract
The present invention relates to a kind of diagnostic methods of website visiting failure, including obtain web site performance achievement data, and execute routine diagnosis according to the achievement data；The routine diagnosis information obtained according to the routine diagnosis determines whether website visiting succeeds；If it is determined that the result is that website visiting failure, then further obtain depth diagnostic message data, and execute depth diagnosis according to the depth diagnostic message data.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of diagnostic method and system of website visiting failure.
Background technique
Browser is a kind of software for obtaining web page contents, when input website accesses a Web page in a browser
When face, Network status, the speed of the browser rendering page, Web are using many factors such as itself abilities of processing request, jointly
User is constituted when accessing website, the presentation of entire target web site page.In order to guarantee the access quality of website, need to net
The access fault stood is diagnosed, so that failure therein is carried out taxonomic revision, and quickly and accurately searches fault rootstock,
And then failure problems are solved in time.
Diagnostic mode common in the art, which usually has, carries out fault diagnosis to website visiting using network test tool,
Such as detection of connectivity tool Ping, inquiry of the domain name tool Nslookup, routing link resource discovery tool Traceroute etc.；
Either stress the website test platform of the detection of website visiting quality, such as network speed test and website are scored, or by
The web site performance that access carries out is initiated to website by simulation in Open-Source Tools to detect.The above diagnostic mode on the one hand can not
On the other hand the problems in comprehensive diagnos network also lacks the investigation to website visiting failure, with current each website network industry
The increase of business amount, can no longer meet demand.
Therefore, it is necessary to diagnostic methods and system that one kind can integrate the investigation all types of failures of website visiting.
Summary of the invention
The present invention provides a kind of diagnostic method of website visiting failure, comprising:
Web site performance achievement data is obtained, and routine diagnosis is executed according to the achievement data；
The routine diagnosis information obtained according to the routine diagnosis determines whether website visiting succeeds；
If it is determined that the result is that website visiting failure, then further obtain depth diagnostic message data, and according to the depth
Diagnostic message data execute depth diagnosis.
Preferably, the routine diagnosis further comprises: obtaining HTTP request status code, and according to the HTTP request shape
State code judges whether the solicited status is normal.
Preferably, the routine diagnosis further comprises: if the solicited status is normal, further obtaining the access
The performance monitoring data of website, and the web site performance is diagnosed according to the performance monitoring data.
Preferably, the performance monitoring data includes the resource of the Connection Time of TCP, dns resolution time and Website page
The link information of file.
Preferably, the depth diagnosis further comprises: the network for being directed to terminating machine is executed using public name server
Detection of connectivity, judges whether the terminating machine is successfully accessed internet.
Preferably, the depth diagnosis further comprises: if the terminating machine is successfully accessed internet, according to acquisition
The reason of dns resolution result tracking parsing failure or the inspection that validity and correctness are executed for the IP address parsed.
Preferably, the depth diagnosis further comprises: if the dns resolution fails, further detecting domain name service
Whether device is reachable or whether domain name server has service fault.
Preferably, depth diagnosis further comprises: judge the TCP whether successful connection, if successful connection, into
One step executes HTTP connecting detection；It is on the contrary then further search for TCP connection failure cause.
Preferably, the depth diagnosis further comprises: if the HTTP successful connection, further executing and is directed to website
The diagnosis of front end webpage.
According to another aspect of the present invention, a kind of diagnostic system of website visiting failure is also provided, comprising: storage device
And processor；Wherein, for storing computer program, the computer program executes the storage device by the processor
When, for realizing method as described above.
Compared with the existing technology, the present invention achieves following advantageous effects: network access fault provided by the invention
Diagnostic method and system, the standard Resource Timing of the W3C supported based on modern browser core and
Navigation Timing, split source automated test frame Selenium Webdriver is extended, to realize clear
Device of looking at accesses the performance data collection of Web site, the foundation as follow-up diagnosis；The level of fault diagnosis is divided into routine simultaneously
With two kinds of depth, carry out relatively simple routine initiating access initial stage to website using acquisition access performance monitoring data and examining
Disconnected, for the website for energy successful access, auxiliary completes the access quality evaluation system of the website；And for access failure
Website then continues depth diagnosis, further to check the reason of accessing failure with locating websites；Whether routine diagnosis
Or depth diagnosis is integrated with multiple network testing tool to realize the comprehensive diagnos to website visiting failure；Utilize the present invention
The website visiting fault diagnosis method and system of offer can diagnose the reason of user's access web failure, the row of help
It looks into and determines fault point, to perhaps solve failure in reporting fault in time, restore access as early as possible.
Detailed description of the invention
Fig. 1 is the diagnostic tree schematic diagram of routine diagnosis provided by the invention.
Fig. 2 is the diagnostic tree schematic diagram of depth diagnosis provided by the invention.
Specific embodiment
In order to which the purpose of the present invention, technical solution and advantage is more clearly understood, below in conjunction with attached drawing, to the present invention
Embodiment in the diagnostic method of website visiting failure that provides and system be further described.
Inventor conscientiously has studied the factor discovery for influencing website visiting quality, can be from network, server end and front end
Three aspects analyze the reason of causing website visiting to fail respectively.
Wherein, network factors refer to that network reason itself causes access to fail, specifically, as link physical failure, DNS take
Business device failure or network congestion etc..And cause network congestion basic reason be Internet resources scarcity, i.e. user load is greater than
The capacity and processing capacity of Internet resources, but show failure embodiment but can be it is various, for example, due to router
Caching deficiency causes the data packet reached frequently to be abandoned；Either because link bandwidth deficiency cause in data transmission procedure
Bandwidth bottleneck is formd on low speed chain circuit；Either processor speed causes router cpu executing queuing caching, updating road slowly
When being operated by table etc., processing speed does not catch up with high-speed link etc..
Server end factor refers to the various parameters for influencing server performance, such as hardware configuration, the I/O performance of server
With the reference indexs such as bandwidth.For example, bandwidth quality is exactly an important factor for influencing website response time, server end would generally be because
For above-mentioned parameter is unable to satisfy demand and overload occurs to refuse to service, website visiting is caused to fail.In addition, server
End is also possible to cause website visiting to fail because of physical problem, such as power-off etc..
Front end factor refers to the resource for influencing the front end page of website visiting performance.Usually, front end page optimizes
Quality is affected for web site performance, and the user experience of front end even determines whether user can persistently use the website
Function.Access performance can be made to decline when for example, JS, CSS or picture resource of the page are excessive and generating excessive HTTP request,
Or when the resource of request is not compressed it is also possible that data transmission pressure is larger, and cause the page show it is slow even
Time-out eventually leads to website visiting failure.
In order to which the access performance quickly to website carries out diagnosing and determining failure cause, a kind of inventor's base especially set out
In standard Resource Timing and the Navigation Timing for the W3C that modern browser core is supported, for website
The diagnostic method of access fault, the process employs routine diagnosis and depth to diagnose the mode combined, fast and accurately to net
Access quality of standing diagnose and positioning failure reason.It is described in detail below in conjunction with specific embodiment.
The preferred embodiment of the present invention provide website visiting method for diagnosing faults specifically includes the following steps:
S10 routine diagnosis
Fig. 1 is the diagnostic tree schematic diagram of routine diagnosis provided by the invention, as shown in Figure 1, when accessing net by browser
When standing, routine diagnosis, the execution logic of diagnostic process are carried out to website according to the performance indicator data for obtaining Web site first
It can gradually be executed from diagnostic tree shown in Fig. 1, specifically includes the following steps:
The diagnosis of S101HTTP solicited status
HTTP request status code is obtained, if the status code is more than or equal to 500, it is concluded that conclusion: server mistake；If
Status code is more than or equal to 400 and less than 500, it is concluded that conclusion: client request error；If status code be equal to 200, it is concluded that
Conclusion: solicited status is normal, can continue to execute the detection of S102.
The diagnosis of S102 web site performance
When solicited status is normal, browser access target website is opened using Selenium WebDriver, and utilize
The Resource Timing API and Navigation Timing API that W3C is provided gets the performance monitoring number of access website
According to being specifically included further to diagnose web site performance using the data labeled as timingInfo and resourcesInfo:
(1) Connection Time of TCP is calculated using connectStart the and connectEnd field in timingInfo, and
It is compared with preset threshold value, if it exceeds the threshold, then concluding that network failure-TCP connection overlong time.
It is obtained specifically, the Connection Time of TCP can be calculated using following formula:
timingInfo.connectEnd-timingInfo.connectStart
Wherein, timingInfo.connectEnd and timingInfo.connectStartconnectEnd are respectively indicated
The connection end time point and connection start time point of TCP.
(2) DNS is calculated using domainLookupStart the and domainLookupEnd field in timingInfo to solve
The time is analysed, and is compared with preset threshold value, if it exceeds the threshold, then concluding that network failure-dns resolution time mistake
It is long.
It is obtained specifically, the dns resolution time can be calculated using following formula:
timingInfo.domainLookupEnd-timingInfo.domainLookupStart
Wherein, timingInfo.domainLookupEnd and timingInfo.domainLookupStart are respectively indicated
The end time point and start time point of dns resolution.
(3) using the link information of all resource files of the Website page in resourcesInfo, to each resource chain
It connects using Curl command request this document and downloads file, to obtain resource file download time and size.It is every to know
A resource link whether effectively and whether can be downloaded and resource size whether be more than pre-set threshold value etc. synthesis sentence
Whether the resource file that breaks loads success, and provides resource downloading success rate.When resource downloading success rate be lower than threshold value, it is concluded that
There may be resource load time-out or the conclusions of failure for Website page.
S103 routine diagnosis is completed
If without failure in the diagnosis of above-mentioned S101-S102, it can get the normal conclusion of website visiting, routinely examine
It is disconnected to terminate；If there is Arbitrary Fault in the diagnosis of above-mentioned S101-S102, the depth for continuing starting step S20 is diagnosed.
The diagnosis of S20 depth
Fig. 2 is the diagnostic tree schematic diagram of depth diagnosis provided by the invention, as shown in Fig. 2, when through the routine in step S10
When diagnosis obtains website visiting failure, routine diagnosis information can be checked, and to trigger depth diagnosis according to demand, specifically, can
It is executed according to the depth diagnostic message data further obtained and the depth of website visiting failure is diagnosed, the execution of diagnostic process
Logic can gradually be executed from diagnostic tree shown in Fig. 2, specifically includes the following steps:
The diagnosis of S201 linking Internet
Using Ping order, net is carried out to common some well-known name servers or well-known Website server and terminating machine
The detection of network connectivity, such as " 114.114.114.114 " and " 8.8.8.8 " etc..If tested name server or well-known
The test that Website server issues Ping operation is surrounded by response and the relevant informations such as response time for returning to test bag, then illustrates
Terminating machine is connected to the network of tested host, and terminating machine has accessed internet, can be continued to execute subsequent depth and be examined
It is disconnected；Otherwise determine that terminating machine does not access network, thus the reason of further investigation causes this result, such as the event of terminating machine network interface card
Barrier is not allocated to available IP address or place local area network is unstable etc..
If the diagnostic result of S201 determines terminating machine accessed network, further executes and the depth of network is diagnosed.
S202DNS parsing diagnosis
Dns resolution is obtained using Nslookup order as a result, can further track if domain name mapping is returned without result
The reason of parsing failure, conversely, then the validity to the IP address parsed and correctness carry out subsequent inspection.Specific packet
It includes:
(1) name server is up to diagnosis
If domain name mapping is returned without result, can further judge whether used name server is reachable, specifically,
The connectivity of name server used is tested using Ping order, if test display connection, need be to name server
The no analysis service that can normally provide makees further detection, conversely, then can be determined that failure cause is that dns server is unreachable, from
And terminate diagnosis.
(2) name server fault diagnosis
If server is reachable, it can further detect whether the name server has service fault.Specifically, providing one
Common domain name list parses common domain name therein using the name server, determines that the domain name takes if it can normally parse
The reason of business device can normally provide analysis service, dns resolution is caused to fail may be that website domain name temporarily fails to add or update
Into name server, and terminate to diagnose.If the common domain name in list cannot be successfully parsed, the domain name can be determined that
Temporarily there is service fault in server, terminates diagnosis.
S203TCP connection diagnosis
Whether succeeded using Socket programming judgement and the TCP connection of Website server.Specifically, if TCP connection success,
Then further HTTP connection is detected；If TCP connection fails, the reason of further searching for unsuccessfully.
If TCP connection fails, using the connectivity of Ping order test Website server, if connection illustrates that website takes
Business device does not break down, itself can normally provide service, then knows that the reason of causing TCP connection to fail may be website clothes
The connection of server refusal, diagnosis caused by business device overload etc. terminate.If be not connected to, illustrate to take from terminating machine to website
The network link (including Website server itself) of business device has been likely to occur failure, needs to continue to use Traceroute tool and obtains
The routing link details from terminating machine to Website server are taken, so as to the position of further fault point, and terminate to diagnose.
If TCP connection success, the connection status of diagnosable HTTP.
S204HTTP connection diagnosis
Firstly, obtaining the URL after website jumps, judge whether website makes according to HTTPS or HTTP whether is contained in URL
With HTTPS.Simultaneously using Selenium WebDriver and W3C provide Resource Timing API and
Navigation Timing API get access website performance monitoring data, labeled as timingInfo with
ResourcesInfo specifically includes for use in subsequent diagnosis:
If website has used HTTPS, SSL is determined using the secureConnectionStart field of timingInfo
It shakes hands and whether fails.Specifically, can determine that SSL connection is lost if having the field and its value in timingInfo is 0
It loses, terminates diagnosis, the reason of network access failure may be Certificate Revocation etc. at this time；It is on the contrary then think that SSL shakes hands success, continue
Detect the connection status of HTTP.
Secondly, initiating HTTP connection request to targeted website and obtaining corresponding returned data, to detect HTTP connection
Whether response is had.
If HTTP request does not respond to, it can get packet loss by sending Ping order to Website server and be averaged
The information such as time delay judge whether that network congestion has occurred.Specifically, obtaining the knot there are packet drop if packet loss is greater than 0
By, and, may mainly there be physical circuit failure, equipment fault, virus attack, routing iinformation mistake etc. in the reason of causing packet loss, tie
Beam diagnosis；If average delay has been more than pre-set threshold value, it is concluded that time delay is larger, in fact it could happen that the knot of network congestion
By end diagnosis；If above situation is not present, cause HTTP request without response the reason of may be other networks original
Cause, such as Website server service quality are bad etc., and terminate to diagnose.
If HTTP request has response, inspection state code.If status code be 200, need to Website page element into
The finer detection of row；If status code is not equal to 200, corresponding abnormal cause is provided according to error code prompt, for example,
404Not Found or 403Forbidden etc., and terminate to diagnose.
The diagnosis of S205 Website front-end webpage
If it is 200 that above-mentioned HTTP request, which has response and its return status code, i.e., when HTTP request is successful, then it can detect website
The resource file of front end page.For example, being believed according to the link for the resource file for having Website page all in resourcesInfo
Breath, using Curl command request this document and file is downloaded to each resource link, thus obtain resource file download time and
Size, and know whether each resource link is effective and whether can be downloaded and whether resource size is more than to preset
The comprehensive descisions such as the threshold value resource files whether load success, and provide resource downloading success rate.When resource downloading success rate
Lower than threshold value, it is concluded that Website page is there may be the conclusion that resource load is overtime or fails, diagnosis terminates；Conversely, then integrating
All precursor steps, can obtain no catastrophe failure, the normal conclusion of website visiting, and diagnosis terminates.
According to another aspect of the present invention, a kind of system executing above-mentioned network access fault diagnostic method is also provided,
The diagnostic system includes data acquisition module, routine diagnosis module and depth diagnostic module.Wherein, acquisition module can be used for obtaining
Take the performance indicator data of WEB website and the diagnostic message data for fault diagnosis, and by the performance indicator data of WEB website
It is transmitted to routine diagnosis module to be used to execute the routine diagnosis to website visiting quality, and diagnostic message data is transmitted to depth
Degree diagnostic module is used to execute the depth diagnosis to website visiting quality.
Specifically, routine diagnosis can be used for executing the diagnosis to HTTP request state and web site performance；Depth diagnosis is available
In execution to the comprehensive diagnos and trouble spot judging of linking Internet, network itself, server end and webpage front-end.
In one embodiment of the invention, above system can be realized by way of the terminating card realized by Java,
Specifically, the plug-in unit can be based on http protocol, the transmission of formula data is interacted using JSON format and plugin manager.
Although to net provided by the invention in the above-described embodiments, using ping, nslookup, traceroute
Network access fault diagnostic method is illustrated, but it will be recognized by one of ordinary skill in the art that in addition to the net in above-described embodiment
Network testing tool, other general networks testing tools with similar functions may be applicable to network access event provided by the invention
Hinder diagnostic method.
Although the present invention has been described by means of preferred embodiments, the present invention is not limited to described here
Embodiment, without departing from the present invention further include made various changes and variation.
Claims (10)
1. a kind of diagnostic method of website visiting failure characterized by comprising
Web site performance achievement data is obtained, and routine diagnosis is executed according to the achievement data；
The routine diagnosis information obtained according to the routine diagnosis determines whether website visiting succeeds；
If it is determined that the result is that website visiting failure, then further obtain depth diagnostic message data, and diagnose according to the depth
Information data executes depth diagnosis.
2. diagnostic method according to claim 1, which is characterized in that the routine diagnosis further comprises: obtaining HTTP
Solicited status code, and judge whether the solicited status is normal according to the HTTP request status code.
3. diagnostic method according to claim 2, which is characterized in that the routine diagnosis further comprises: if described ask
It asks state normal, then further obtains the performance monitoring data of the access website, and diagnosed according to the performance monitoring data
The web site performance.
4. diagnostic method according to claim 3, which is characterized in that when the performance monitoring data includes the connection of TCP
Between, the link information of the resource file of dns resolution time and Website page.
5. diagnostic method according to claim 1, which is characterized in that the depth diagnosis further comprises: utilizing public
Server executes the network connectivty detection for terminating machine, judges whether the terminating machine is successfully accessed internet.
6. diagnostic method according to claim 5, which is characterized in that the depth diagnosis further comprises: if the end
The reason of terminal is successfully accessed internet, then tracks parsing failure according to the dns resolution result of acquisition or for parsing
The inspection of IP address execution validity and correctness.
7. diagnostic method according to claim 6, which is characterized in that the depth diagnosis further comprises: if the DNS
Parsing failure, then further whether detection name server is reachable or whether domain name server has service fault.
8. diagnostic method according to claim 7, which is characterized in that the depth diagnosis further comprises: described in judgement
TCP whether successful connection, if successful connection, further execute HTTP connecting detection；It is on the contrary then further search for TCP connection mistake
Lose reason.
9. diagnostic method according to claim 8, which is characterized in that the depth diagnosis further comprises: if described
HTTP successful connection then further executes the diagnosis for being directed to Website front-end webpage.
10. a kind of diagnostic system of website visiting failure characterized by comprising
Storage device and processor；
Wherein, the storage device for storing computer program, use when being executed by the processor by the computer program
In realization such as the described in any item methods of claim 1-9.
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| CN111459738A (en) * | 2020-03-30 | 2020-07-28 | 中国人民解放军国防科技大学 | Parallel storage system fault diagnosis method and system based on fail-slow model |
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| CN111459738A (en) * | 2020-03-30 | 2020-07-28 | 中国人民解放军国防科技大学 | Parallel storage system fault diagnosis method and system based on fail-slow model |
| CN111459738B (en) * | 2020-03-30 | 2023-06-30 | 中国人民解放军国防科技大学 | Fault diagnosis method and system for parallel storage system based on fail-slow model |
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| CN112822071A (en) * | 2020-12-31 | 2021-05-18 | 中国工商银行股份有限公司 | Network fault diagnosis method and device based on double-layer soft load architecture |
| CN113867325A (en) * | 2021-10-27 | 2021-12-31 | 国核自仪系统工程有限公司 | Communication diagnosis method and system for instrument control system |
| CN114244685A (en) * | 2021-11-16 | 2022-03-25 | 国家电网有限公司客户服务中心 | Cloud service center access exception handling system |
| CN115426277A (en) * | 2022-08-30 | 2022-12-02 | 杭州安恒信息技术股份有限公司 | Quality safety detection method, device, equipment and readable storage medium |
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