CN102571491A - Method and device for detecting whether network is usable - Google Patents
Method and device for detecting whether network is usable Download PDFInfo
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- CN102571491A CN102571491A CN2011104512170A CN201110451217A CN102571491A CN 102571491 A CN102571491 A CN 102571491A CN 2011104512170 A CN2011104512170 A CN 2011104512170A CN 201110451217 A CN201110451217 A CN 201110451217A CN 102571491 A CN102571491 A CN 102571491A
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Abstract
The invention provides to a method and a device for detecting whether a network is usable, which are applicable to the field of computer application. The method comprises the following steps: starting network testing service and broadcasting data packet after the system kernel and driver of the native device are loaded; the native device respectively storing the successfully transmitted and received byte numbers into two system files; and detecting whether the network of the native device is usable by reading the byte numbers in the system files. In the embodiments of the invention, the application program loading step which takes the longest time in the start of the local device is avoided due to the network detection of the local native device after the system core and driver of the local device are loaded, in this way, when producing the device for detecting the network of electronic apparatus, the time from starting to finishing the network detection of the device is greatly shortened, and the test stations are decreased due to that it is unnecessary to load the application program after the device is started, so that the detecting efficiency is improved.
Description
Technical field
The invention belongs to computer application field, relate in particular to a kind of network whether available method and device of detecting.
Background technology
Along with the Internet era arrival; Network is widely used in every field; Nearly all electronic device terminal all need be realized the expansion of function through network; Therefore, its network connection state must be detected in the terminal that has network before dispatching from the factory, and the electronic device terminal that only can normally connect network is only qualified product.
In existing technology, come the network connection state of detected electrons device end usually through following technological means.For systems such as existing Windows, Linux and Android; After electronic device terminal powers on; At first start-up system kernel and driving, the conventional application program of loading system then is at last after system has started fully; Carry out DynamicHost protocol service (DHCP, Dynamic Host ConfigurationProtocol) is set, whether can obtain the network connection state that valid ip address is judged this electronic device terminal automatically through judging electronic device terminal.If can obtain the effective I P address automatically, then the network of this electronic device terminal connects normal; If can not obtain the effective I P address automatically, then the network of this electronic device terminal connects unusual.
With the linux system is example, and the process of its system start-up is generally following:
(1) at first carries out BIOS POST after system powers on;
(2) Bootstrap Commissioning Program (Boot Loader), initiating hardware equipment, Memory Allocation, detection hardware IO mouth etc.;
(3) load kernel and driving, read and use memory information, load networks and each peripheral hardware driving etc.
(4) load conventional the application, load the UI interface information, carry out DHCP etc.;
(5) move other application programs.
Thereby above-mentioned power on fully to start and whether can get access to IP from system according to DHCP confirm whether normal need expends the long time for the network connecting function of electronic device terminal; Especially load conventional the application; And carry out the spent time of DHCP, thus cause electronic equipment is carried out the overlong time of network measuring, for the electronic equipment of volume production in enormous quantities (like internet television etc.); Adopt this mode to detect, obviously detection efficiency is low excessively.
Summary of the invention
Whether available the purpose of the embodiment of the invention be to provide a kind of network method and device of detecting, be intended to solve existing detection network whether available method expend time in long thereby cause the low problem of detection efficiency.
Whether available the embodiment of the invention be achieved in that a kind of network method that detects, and said method comprises:
At this machine equipment system kernel and after driving loading, start network measuring service and broadcast data packet;
The byte number that this machine equipment will successfully send and receive is stored to respectively in two system files;
Whether the network through reading this machine equipment of byte number detection in the said system file is available.
Whether available another purpose of the embodiment of the invention be to provide a kind of network device that detects, and said device comprises:
The broadcast data packet unit is used for after this machine equipment system kernel and driving loading, starting network measuring service and broadcast data packet;
The byte number memory cell is used for the byte number that this machine equipment will successfully send and receive and is stored to two system files respectively;
The network measuring unit, whether the network that is used for detecting through the byte number that reads said system file this machine equipment is available.
In embodiments of the present invention, owing to, just pass through broadcast data packet at this machine equipment system kernel and after driving loading; The byte number that successfully sends and receive behind the store broadcast data bag, and whether available method is carried out the network measuring of this machine equipment to detect network according to transmission success that reads and the byte number that receives, the longest application program load step consuming time when having avoided the startup of this machine equipment; Thereby when the network of production testing electronic equipment, significantly reduced equipment is accomplished network measuring from starting shooting to time, improved detection efficiency; And the present invention can judge voluntarily; Automatically feedback is simple and convenient, does not need unnecessary operation.
Description of drawings
Whether available Fig. 1 be the detection network that provides of the embodiment of the invention method flow diagram;
Whether available Fig. 2 be the detection network that provides of the embodiment of the invention structure drawing of device.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Whether available the embodiment of the invention provide a kind of network method that detects; Through just carry out the network monitor of equipment at system kernel and after driving the loading completion; Its detection method is: start the network measuring service and send broadcast data packet; And judge according to the byte number that sends success or receive whether network is available, if send success or the byte number that receives can be used greater than zero explanation network; If equalling zero, the byte number that sends success or receive explains that then network is unavailable.
The invention provides a kind of whether available method and apparatus of network that detects:
Said method comprises:
At this machine equipment system kernel and after driving loading, start network measuring service and broadcast data packet;
The byte number that this machine equipment will successfully send and receive is stored to respectively in two system files;
Whether the network through reading this machine equipment of byte number detection in the said system file is available.
Said device comprises:
The broadcast data packet unit is used for after this machine equipment system kernel and driving loading, starting network measuring service and broadcast data packet;
The byte number memory cell is used for the byte number that this machine equipment will successfully send and receive and is stored to two system files respectively;
The network measuring unit, whether the network that is used for detecting through the byte number that reads said system file this machine equipment is available.
For technical scheme of the present invention is described, describe through specific embodiment below.
Embodiment one:
Be illustrated in figure 1 as the flow chart of the whether available method of detection network provided by the invention,, only show the part relevant with the embodiment of the invention for the ease of explanation.
In step S101,, start network measuring service and broadcast data packet at this machine equipment system kernel and after driving loading.
In embodiments of the present invention, after this machine equipment system powers on, load this machine equipment system kernel and driving.At system kernel and after driving the loading completion, start network measuring service and broadcast data packet.
Above-mentioned network measuring service is set up for the network connection state of detected electrons device end, promptly increases by one section code that is used for the network measuring service.After having loaded system kernel and having driven, horse back is carried out the network measuring service, accomplishes the network measuring service and just continues the conventional application of follow-up loading afterwards, loads the UI interface information, carries out DHCP and move other application programs etc.In embodiments of the present invention, the network measuring service is equivalent to first stage of DHCP service, promptly sends broadcast data packet and receives the stage that broadcast data packet is made response.Generally speaking, equipment is after starting the DHCP service, and DHCP service one has following several stages:
One, the discovery stage: send broadcast packet, receive broadcast packet, make response;
Two, be provided the stage: IP is provided the address;
Three, the choice phase: receive solicited message, select IP to distribute;
Four, the stage of recognition: the IP that confirms reception;
Five, land again: use the IP address.
The present invention detect the whether available method of network after having loaded system kernel and having driven, load before other use; Increased a network measuring service stage; At the network measuring service stage; Electronic device terminal to be detected (for example Web TV) will outwards send broadcast data packet and receive broadcast data packet, to as if the network equipment that links to each other with this electronic device terminal to be detected, for example router or other provide equipment that DHCP serves etc.In the network measuring service stage; If electronic device terminal to be detected can send and receive broadcast data packet; Just show that electronic device terminal to be detected is connected normally with the network of the above-mentioned network equipment, the network connecting function of electronic device terminal to be detected is normal, qualified products etc.In the present embodiment, above-mentioned network measuring service stage is consuming time about 1 second, and comes interpretation with the mode that can system obtain the IP address, and then the time is far longer than this kind method.
Be specially, equipment after starting the network measuring service, broadcast data packet in network, and all provide the equipment of DHCP service after receiving the packet of broadcasting, give the equipment of sending out broadcasting through replying corresponding packet.
In step S102, the byte number that this machine equipment will successfully send and receive is stored to respectively in two system files.
In embodiments of the present invention, owing to after this machine equipment sends broadcasting, when the equipment that the DHCP service is provided receives broadcast packet, can reply packet.The byte number that this machine equipment just will successfully send and receive totally is stored to respectively in two system files, and a system file is used to store the successful byte number of transmission, and another system file is used to store the byte number that receives.Wherein, Said system file drives by network interface card and is created; With regard to linux system, the position of these two system files generally is "/sys/class/net/eth0/statistics/tx_bytes " and "/sys/class/net/eth0/statistics/rx_bytes ".
In embodiments of the present invention, can read and call through several different methods and be recorded in the byte number data that two successes in the system file are sent and received, as create grandly etc., not limit at this.
Cite an actual example below and explain to read and call and be recorded in two transmission and concrete grammars of the byte number data that receive in the system file:
If what this machine equipment adopted is linux system, then can be through following two grand, as successfully to send and receive through network interface card in TX_BYTES and the RX_BYTES calling system file byte numbers of definition in code:
#define?TX_BYTES″/sys/class/net/eth0/statistics/tx_bytes″
#define?RX_BYTES″/sys/class/net/eth0/statistics/rx_bytes″。
In step S103, whether available through the network that reads this machine equipment of byte number detection in the said system file.
Whether in embodiments of the present invention, can read the network that detects this machine equipment behind the byte number in the said system file through two modes available.To describe in detail below:
One of which, this machine equipment is provided with flag bit according to the byte number in the system file that reads, and external test facility reads this flag bit through serial ports, and judges according to this flag bit whether the network of this machine equipment is available.
At first; Whether this machine equipment is available through the network that the byte number in the reading system file detects this machine equipment; Promptly through judging that whether TX_BYTES and RX_BYTES are greater than zero; If TX_BYTES and RX_BYTES greater than zero, show that this machine equipment can successfully send and receive data, promptly the network of this machine equipment can be used.Then; Method through flag bit is set reads this flag bit on this machine equipment by external test facility through serial ports; And judge according to this flag bit whether the network of this machine equipment is available; That is: whether a flag bit is set in the internal memory of this machine equipment, it is available to use it for the expression network, and just whether knowledge capital machine equipment network is available but external test facility reads the information of this flag bit through serial ports.For example: this machine equipment is judged TX_BYTES and RX_BYTES all when zero, but shows the network time spent, and it is 1 that flag bit is set; When this machine equipment network was unavailable, it was 0 that flag bit is set.Therefore, if the flag bit that reads of external test facility is 1, judge that then this machine equipment network can use, the network function of this machine equipment is normal; If the flag bit that external equipment reads is 0, judge that then this machine equipment network is unavailable, the network function existing problems of this machine equipment.In other embodiments, this machine equipment also can initiatively send to external test facility with above-mentioned flag bit data, is judged according to the flag bit data that receive by external test facility.
Its two, whether external test facility available through the network that the byte number in the serial ports reading system file detects this machine equipment.
In embodiments of the present invention, the byte number in the reading system file detects the network of this machine equipment whether available method is specially:
External test facility connects this machine equipment and reads TX_BYTES and RX_BYTES; Judge that whether TX_BYTES and RX_BYTES are greater than zero; Above-mentioned TX_BYTES of reading and RX_BYTES are equivalent to the byte number data among reading system file "/sys/class/net/eth0/statistics/tx_bytes " and "/the sys/class/net/eth0/statistics/rx_bytes "; When the byte number in two system files all greater than zero the time, judge that then this machine equipment network can use; When the byte number in two system files not all greater than zero the time (when having at least a byte number in the system file to equal zero); Byte number in the then regular repeatedly reading system file; When reading two byte numbers in the system file all greater than zero the time; Judge that then this machine equipment network can use, and no longer continue the byte number in the reading system file; If behind the byte number in regular repeatedly reading system file, still have at least a byte number in the system file to equal zero in two system files, judge that then this machine equipment network is unavailable.Wherein, said reading times preestablishes (as 3 times, 4 is inferior) by the user, and also preestablish (as 0.25 second, 0.5 second etc.) by the user said blanking time of regularly reading byte number.
In embodiments of the present invention, owing to, just pass through broadcast data packet at this machine equipment system kernel and after driving loading; The byte number that successfully sends and receive behind the store broadcast data bag; And whether available method is carried out the network measuring of this machine equipment to detect network according to the transmission that reads success and the byte number that receives, the longest application program load step consuming time when having avoided this machine equipment and starting, thereby at the network function of production testing electronic equipment whether just often; Significantly reduced equipment is accomplished network measuring from starting shooting to time; Improved detection efficiency, and method of the present invention can be judged automatic feedback voluntarily; Simple and convenient, do not need unnecessary operation.
Embodiment two:
The apparatus structure sketch map whether the detection network that Fig. 2 provides for the embodiment of the invention is available for the ease of explanation, only shows the part relevant with the embodiment of the invention.Wherein:
Broadcast data packet unit 21 is used for after this machine equipment system kernel and driving loading, starting network test service and broadcast data packet.
Byte number memory cell 22 is used for the byte number that this machine equipment will successfully send and receive and is stored to two system files respectively.
In embodiments of the present invention, the byte number that this machine equipment just will successfully send and receive totally is stored to respectively in two system files, and a system file is used to store the successful byte number of transmission, and another system file is used to store the byte number that receives.Wherein, Said system file drives by network interface card and is created; With regard to linux system, the position of these two system files generally is "/sys/class/net/eth0/statistics/tx_bytes " and "/sys/class/net/eth0/statistics/rx_bytes ".
In embodiments of the present invention, said network measuring unit 23 comprises two sub-module, is respectively: this machine-readable delivery piece 231 and peripheral hardware read module 232.Wherein:
This machine-readable delivery piece 231; Be used for the byte number of this machine equipment by the reading system file; When the byte number in two system files all greater than zero the time, network available flag position is set, external test facility reads this flag bit by serial ports and learns that this machine equipment network is normal; When having at least a byte number in the system file to equal zero in two system files; Byte number in the then regular repeatedly reading system file; When reading two byte numbers in the system file all greater than zero the time; Network available flag position is set, and external test facility reads this flag bit by serial ports and learns that this machine equipment network is normal, and no longer continues the byte number in the reading system file; If behind the byte number in regular repeatedly reading system file; Still have at least a byte number in the system file to equal zero in two system files; The unavailable flag bit of network then is set; External test facility reads this flag bit by serial ports and learns that this machine equipment network is unavailable, and said reading times is preestablished by the user.
Peripheral hardware read module 232 is used for the byte number of external test facility through serial ports reading system file, when the byte number in two system files all greater than zero the time, judge that then this machine equipment network can use; When having at least a byte number in the system file to equal zero in two system files; Byte number in the then regular repeatedly reading system file; When reading two byte numbers in the system file all greater than zero the time; Judge that then this machine equipment network can use, and no longer continue the byte number in the reading system file; If behind the byte number in regular repeatedly reading system file, still have at least a byte number in the system file to equal zero in two system files, judge that then this machine equipment network is unavailable, said reading times is preestablished by the user.
In embodiments of the present invention, owing to, just pass through broadcast data packet at this machine equipment system kernel and after driving loading; The byte number that successfully sends and receive behind the store broadcast data bag, and whether available method is carried out the network measuring of this machine equipment to detect network according to transmission success that reads and the byte number that receives, the longest application program load step consuming time when having avoided the startup of this machine equipment; Thereby when the network of production testing electronic equipment, significantly reduced equipment is accomplished network measuring from starting shooting to time, improved detection efficiency; And the present invention can judge voluntarily; Automatically feedback is simple and convenient, does not need unnecessary operation.One of ordinary skill in the art will appreciate that; Realize that all or part of step in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be in being stored in a computer read/write memory medium; Described storage medium is like ROM/RAM, disk, CD etc.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. whether available one kind detected network method, it is characterized in that said method comprises the steps:
At this machine equipment system kernel and after driving loading, start network measuring service and broadcast data packet;
The byte number that this machine equipment will successfully send and receive is stored to respectively in two system files;
Whether the network through reading this machine equipment of byte number detection in the said system file is available.
2. the method for claim 1 is characterized in that, said system file drives by network interface card and created.
3. the method for claim 1 is characterized in that, and is said through reading network that byte number in the said system file detects this machine equipment available comprising whether:
This machine equipment is provided with flag bit according to the byte number in the system file that reads, and external test facility reads this flag bit through serial ports, and judges according to this flag bit whether the network of this machine equipment is available.
4. the method for claim 1 is characterized in that, and is said through reading network that byte number in the said system file detects this machine equipment available comprising whether:
Whether external test facility to detect the network of this machine equipment available if reading byte number in the said system file through serial ports.
5. like claim 1 or 3 or 4 described methods, it is characterized in that the network that the said byte number that reads in the said system file detects this machine equipment is available comprising whether:
Byte number in the reading system file;
When the byte number in said two system files all greater than zero the time, judge that then this machine equipment network can use;
When having at least a byte number in the system file to equal zero in said two system files, then regularly repeatedly read the byte number in the said system file, when reading two byte numbers in the system file all greater than zero the time, judge that then this machine equipment network can use; If repeatedly behind the byte number in the reading system file, have at least a byte number in the system file to equal zero in said two system files, judge that then this machine equipment network is unavailable, said reading times is preestablished by the user.
6. whether available one kind detected network device, it is characterized in that said device comprises:
The broadcast data packet unit is used for after this machine equipment system kernel and driving loading, starting network measuring service and broadcast data packet;
The byte number memory cell is used for the byte number that this machine equipment will successfully send and receive and is stored to two system files respectively;
The network measuring unit, whether the network that is used for detecting through the byte number that reads said system file this machine equipment is available.
7. device as claimed in claim 6 is characterized in that, said system file drives by network interface card and created.
8. device as claimed in claim 6 is characterized in that, said network measuring unit comprises:
This machine-readable delivery piece; Be used for the byte number of this machine equipment by the reading system file; When the byte number in said two system files all greater than zero the time, network available flag position is set, external test facility reads this flag bit by serial ports and learns that this machine equipment network is normal; When having at least a byte number in the system file to equal zero in said two system files; Then regularly repeatedly read the byte number in the said system file; When reading two byte numbers in the system file all greater than zero the time; Network available flag position is set, and external test facility reads this flag bit by serial ports and learns that this machine equipment network is normal; If repeatedly behind the byte number in the reading system file; Have at least a byte number in the system file to equal zero in said two system files; The unavailable flag bit of network then is set; External test facility reads this flag bit by serial ports and learns that this machine equipment network is unavailable, and said reading times is preestablished by the user.
9. device as claimed in claim 6 is characterized in that, said network measuring unit also comprises:
The peripheral hardware read module is used for the byte number of external test facility through serial ports reading system file, when the byte number in said two system files all greater than zero the time, judge that then this machine equipment network can use; When having at least a byte number in the system file to equal zero in said two system files, then regularly repeatedly read the byte number in the said system file, when reading two byte numbers in the system file all greater than zero the time, judge that then this machine equipment network can use; If repeatedly behind the byte number in the reading system file, have at least a byte number in the system file to equal zero in said two system files, judge that then this machine equipment network is unavailable, said reading times is preestablished by the user.
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| CN109360306A (en) * | 2018-09-20 | 2019-02-19 | 深圳中泰智丰物联网科技有限公司 | The method for unlocking of smart lock finishing mode |
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| Publication number | Publication date |
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| CN102571491B (en) | 2015-02-11 |
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