CN102571491B - 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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- CN102571491B CN102571491B CN201110451217.0A CN201110451217A CN102571491B CN 102571491 B CN102571491 B CN 102571491B CN 201110451217 A CN201110451217 A CN 201110451217A CN 102571491 B CN102571491 B CN 102571491B
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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, particularly relate to a kind of Sampling network whether can method and device.
Background technology
Along with Internet era arrival, network is widely used in every field, nearly all electronic device terminal all needs the expansion by real-time performance function, therefore, terminal with network must detect its network connection status before dispatching from the factory, and only the electronic device terminal of normal interconnection network can be only qualified product.
In existing technology, usually carried out the network connection status of detected electrons device end by following technological means.For systems such as existing Windows, Linux and Android, after electronic device terminal powers on, first start up system kernel and driving, then the conventional application program of loading system, it is last after system has started completely, perform DynamicHost and protocol service (DHCP, Dynamic Host ConfigurationProtocol) is set, by judging whether electronic device terminal can obtain the network connection status that valid ip address judges this electronic device terminal automatically.If automatically can obtain effective IP address, then the network of this electronic device terminal connects normal; If automatically can not obtain effective IP address, then the network of this electronic device terminal connects abnormal.
For linux system, the process that its system starts is generally as follows:
(1) BIOS POST is first performed after system electrification;
(2) Bootstrap Commissioning Program (Boot Loader), initiating hardware equipment, Memory Allocation, detection hardware I/O port etc.;
(3) load kernel and driving, read and use memory information, load networks and each peripheral hardware driving etc.
(4) load conventional application, load UI interface information, perform DHCP etc.;
(5) other application programs are run.
Above-mentioned from system electrification to starting completely and whether can getting IP according to DHCP thus determine whether normal need expends the longer time for the network connecting function of electronic device terminal, especially conventional application is loaded, and the time performed spent by DHCP, thus cause the overlong time of electronic equipment being carried out to network detection, for the electronic equipment (as internet television etc.) of volume production in enormous quantities, adopt and detect in this way, obvious detection efficiency is too low.
Summary of the invention
The object of the embodiment of the present invention be to provide a kind of Sampling network whether can method and device, be intended to solve existing Sampling network whether can method expend time in and longly thus cause the problem that detection efficiency is low.
The embodiment of the present invention be achieved in that a kind of Sampling network whether can method, described method comprises:
After local equipment system kernel and drive load, start network and detect service and broadcast data packet;
The byte number successfully sending and receive is stored in two system files by local equipment respectively;
Whether the network being detected local equipment by the byte number read in described system file can be used.
Another object of the embodiment of the present invention be to provide a kind of Sampling network whether can device, described device comprises:
Broadcast data packet unit, for after local equipment system kernel and drive load, starts network and detects service and broadcast data packet;
Byte number memory cell, is stored in two system files for local equipment by the byte number successfully sending and receive respectively;
Whether network detecting unit, can be used for the network being detected local equipment by the byte number read in described system file.
In embodiments of the present invention, due to after local equipment system kernel and drive load, just broadcast data packet is passed through, the byte number successfully sending after store broadcast data bag and receive, and according to the transmission success read and the byte number that receives come Sampling network whether can the method network that carries out local equipment detect, avoid the longest application program load step consuming time when local equipment starts, thus when the network of production testing electronic equipment, the equipment that greatly reduces completes the time that network detects from starting shooting to, improve detection efficiency, and the present invention can judge voluntarily, automatic feedback, simple and convenient, do not need unnecessary operation.
Accompanying drawing explanation
Fig. 1 be the Sampling network that provides of the embodiment of the present invention whether can method flow diagram;
Fig. 2 be the Sampling network that provides of the embodiment of the present invention whether can structure drawing of device.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provide a kind of Sampling network whether can method, by just carrying out the network monitor of equipment after system kernel and drive load complete, its detection method is: start network detection and serve and send broadcast data packet, and according to sending success or the byte number that receives judges whether network can be used, if send success or the byte number that receives is greater than zero, illustrate that network can be used; If transmission success or the byte number received equal zero, illustrate that network is unavailable.
The invention provides a kind of Sampling network whether can method and apparatus:
Described method comprises:
After local equipment system kernel and drive load, start network and detect service and broadcast data packet;
The byte number successfully sending and receive is stored in two system files by local equipment respectively;
Whether the network being detected local equipment by the byte number read in described system file can be used.
Described device comprises:
Broadcast data packet unit, for after local equipment system kernel and drive load, starts network and detects service and broadcast data packet;
Byte number memory cell, is stored in two system files for local equipment by the byte number successfully sending and receive respectively;
Whether network detecting unit, can be used for the network being detected local equipment by the byte number read in described system file.
In order to technical solutions according to the invention are described, be described below by specific embodiment.
Embodiment one:
Be illustrated in figure 1 Sampling network provided by the invention whether can the flow chart of method, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In step S101, after local equipment system kernel and drive load, start network and detect service and broadcast data packet.
In embodiments of the present invention, after local equipment system electrification, load local equipment system kernel and driving.After system kernel and drive load complete, start network and detect service and broadcast data packet.
Above-mentioned network detects service in order to the network connection status of detected electrons device end and sets up, and namely increases by one section and detects the code of serving for network.After having loaded system kernel and driving, perform network at once and detected service, just continued follow-up loading routine application after completing network detection service, load UI interface information, execution DHCP and run other application programs etc.In embodiments of the present invention, network detects the first stage that service is equivalent to DHCP service, namely sends broadcast data packet and receives the stage that broadcast data packet makes response.Generally speaking, equipment is after startup DHCP service, and DHCP service one has following several stages:
One, discovery phase: send broadcast packet, receives broadcast packet, makes response;
Two, the stage is provided: provide IP address;
Three, the choice phase: receive solicited message, IP is selected to distribute;
Four, the stage of recognition: confirm the IP received;
Five, again log in: use IP address.
Sampling network of the present invention whether can method after having loaded system kernel and having driven, load other application before, add a network and detect service stage, service stage is detected at network, electronic device terminal (such as Web TV) to be detected outwards will send broadcast data packet and receive broadcast data packet, to as if the network equipment that is connected with this electronic device terminal to be detected, such as router or other equipment etc. of DHCP service is provided.Detect in service stage at network, 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, and product is qualified.In the present embodiment, it is consuming time about 1 second that above-mentioned network detects service stage, and carry out interpretation in the mode that can system obtain IP address, then the time is far longer than this kind of method.
Be specially, equipment is after startup network detects service, and broadcast data packet in network, and all equipment of DHCP service that provides is after receiving the packet of broadcast, by replying corresponding packet to the equipment sending out broadcast.
In step s 102, the byte number successfully sending and receive is stored in two system files by local equipment respectively.
In embodiments of the present invention, due to after local equipment sends broadcast, when providing the equipment of DHCP service to receive broadcast packet, packet can be replied.Local equipment is just stored in two system files by accumulative respectively for the byte number successfully sending and receive, and a system file sends successful byte number for storing, and another system file is for storing the byte number received.Wherein, described system file is created by trawl performance, with regard to linux system, the position of these two system files is generally "/sys/class/net/eth0/statistics/tx_bytes " and "/sys/class/net/eth0/statistics/rx_bytes ".
In embodiments of the present invention, read by multiple method and call the successful transmission be recorded in two system files and the byte number data received, as grand etc. in created, do not limit at this.
Cite an actual example below the concrete grammar reading and call the transmission be recorded in two system files and the byte number data received is described:
If local equipment adopt be linux system, then by define in code following two grand, the byte number successfully sending by network interface card in TX_BYTES and RX_BYTES calling system file and receive:
#define TX_BYTES″/sys/class/net/eth0/statistics/tx_bytes″
#define RX_BYTES″/sys/class/net/eth0/statistics/rx_bytes″。
In step s 103, whether the network by reading the byte number detection local equipment in described system file can be used.
In embodiments of the present invention, whether the network detecting local equipment read the byte number in described system file by two modes after can be used.To be described in detail below:
One, local equipment arranges flag bit according to the byte number in the system file read, and external test facility reads this flag bit by serial ports, and judges whether the network of local equipment can be used according to this flag bit.
First, whether the network that local equipment detects local equipment by the byte number in reading system file can be used, namely by judging whether TX_BYTES and RX_BYTES is all greater than zero, if TX_BYTES and RX_BYTES is greater than zero, show that local equipment can successfully send and receive data, namely the network of local equipment can be used.Then, to be read this flag bit on local equipment by serial ports by external test facility by the method that arranges flag bit, and judge whether the network of local equipment can be used according to this flag bit, that is: a flag bit is set in the internal memory of local equipment, use it for and represent whether network can be used, whether the information that external test facility reads this flag bit by serial ports just known local equipment network can be used.Such as: when local equipment judges that TX_BYTES and RX_BYTES is greater than zero, when showing that network is available, arranging flag bit is 1; When local equipment network is unavailable, arranging flag bit is 0.Therefore, if the flag bit that external test facility reads is 1, then judge that local equipment network can be used, the network function of local equipment is normal; If the flag bit that external equipment reads is 0, then judge that local equipment network is unavailable, the network function existing problems of local equipment.In other embodiments, above-mentioned flag bit data also initiatively can be sent to external test facility by local equipment, are judged according to the flag bit data received by external test facility.
Its two, whether the network that external test facility detects local equipment by the byte number in serial ports reading system file can be used.
In embodiments of the present invention, the network that the byte number in reading system file detects local equipment whether can method be specially:
External test facility connects local equipment and reads TX_BYTES and RX_BYTES, judge whether TX_BYTES and RX_BYTES is all greater than zero, above-mentioned reading TX_BYTES and RX_BYTES is equivalent to the byte number data in reading system file "/sys/class/net/eth0/statistics/tx_bytes " and "/sys/class/net/eth0/statistics/rx_bytes ", when the byte number in two system files is all greater than zero, then judge that local equipment network can be used; When the byte number in two system files is not all greater than zero (when having at least the byte number in a system file to equal zero), byte number then in regular repeatedly reading system file, when reading the byte number in two system files and being all greater than zero, then judge that local equipment network can be used, and no longer continue the byte number in reading system file; If after the byte number in regular repeatedly reading system file, still have at least the byte number in a system file to equal zero in two system files, then judge that local equipment network is unavailable.Wherein, described reading times is preset (as 3 times, 4 is inferior) by user, and the interval time of described regular reading byte number is also preset (as 0.25 second, 0.5 second etc.) by user.
In embodiments of the present invention, due to after local equipment system kernel and drive load, just broadcast data packet is passed through, the byte number successfully sending after store broadcast data bag and receive, and according to the transmission success read and the byte number that receives come Sampling network whether can the method network that carries out local equipment detect, avoid the longest application program load step consuming time when local equipment starts, thus when whether the network function of production testing electronic equipment is normal, the equipment that greatly reduces completes the time that network detects from starting shooting to, improve detection efficiency, and method of the present invention can judge voluntarily, automatic feedback, simple and convenient, do not need unnecessary operation.
Embodiment two:
The Sampling network that Fig. 2 provides for the embodiment of the present invention whether can apparatus structure schematic diagram, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.Wherein:
Broadcast data packet unit 21, for after local equipment system kernel and drive load, starts network test service and broadcast data packet.
Byte number memory cell 22, is stored to the byte number successfully sending and receive in two system files respectively for local equipment.
In embodiments of the present invention, local equipment is just stored in two system files by accumulative respectively for the byte number successfully sending and receive, and a system file sends successful byte number for storing, and another system file is for storing the byte number received.Wherein, described system file is created by trawl performance, with regard to linux system, the position of these two system files is generally "/sys/class/net/eth0/statistics/tx_bytes " and "/sys/class/net/eth0/statistics/rx_bytes ".
Whether network detecting unit 23, can be used for the network being detected local equipment by the byte number read in described system file.
In embodiments of the present invention, described network detecting unit 23 comprises two submodules, is respectively: the machine read module 231 and peripheral hardware read module 232.Wherein:
The machine read module 231, for local equipment by the byte number in reading system file, when the byte number in two system files is all greater than zero, arrange network available flag position, external test facility reads this flag bit by serial ports and learns that local equipment network is normal; When having at least the byte number in a system file to equal zero in two system files, byte number then in regular repeatedly reading system file, when reading the byte number in two system files and being all greater than zero, network available flag position is set, external test facility reads this flag bit by serial ports and learns that local equipment network is normal, and no longer continues the byte number in reading system file; If after the byte number in regular repeatedly reading system file, still the byte number in a system file is had at least to equal zero in two system files, the unavailable flag bit of network is then set, external test facility reads this flag bit by serial ports and learns that local equipment network is unavailable, and described reading times is preset by user.
Peripheral hardware read module 232, for external test facility by the byte number in serial ports reading system file, when the byte number in two system files is all greater than zero, then judges that local equipment network can be used; When having at least the byte number in a system file to equal zero in two system files, byte number then in regular repeatedly reading system file, when reading the byte number in two system files and being all greater than zero, then judge that local equipment network can be used, and no longer continue the byte number in reading system file; If after the byte number in regular repeatedly reading system file, still have at least the byte number in a system file to equal zero in two system files, then judge that local equipment network is unavailable, described reading times is preset by user.
In embodiments of the present invention, due to after local equipment system kernel and drive load, just broadcast data packet is passed through, the byte number successfully sending after store broadcast data bag and receive, and according to the transmission success read and the byte number that receives come Sampling network whether can the method network that carries out local equipment detect, avoid the longest application program load step consuming time when local equipment starts, thus when the network of production testing electronic equipment, the equipment that greatly reduces completes the time that network detects from starting shooting to, improve detection efficiency, and the present invention can judge voluntarily, automatic feedback, simple and convenient, do not need unnecessary operation.One of ordinary skill in the art will appreciate that, the all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. Sampling network whether can a method, it is characterized in that, described method comprises the steps:
After local equipment system kernel and drive load, start the network set up and detect service and broadcast data packet;
The byte number successfully sending and receive is stored in two system files by local equipment respectively;
Whether the network being detected local equipment by the byte number read in described system file can be used.
2. the method for claim 1, is characterized in that, described system file is created by trawl performance.
3. the method for claim 1, is characterized in that, whether the described network detecting local equipment by the byte number read in described system file can with comprising:
Local equipment arranges flag bit according to the byte number in the system file read, and external test facility reads this flag bit by serial ports, and judges whether the network of local equipment can be used according to this flag bit.
4. the method for claim 1, is characterized in that, whether the described network detecting local equipment by the byte number read in described system file can with comprising:
Whether the network that external test facility detects local equipment by the serial ports byte number read in described system file can be used.
5. the method as described in claim 1 or 3 or 4, is characterized in that, whether the network that the byte number in the described system file of described reading detects local equipment can with comprising:
Byte number in reading system file;
When the byte number in described two system files is all greater than zero, then judge that local equipment network can be used;
When having at least the byte number in a system file to equal zero in described two system files, then regularly repeatedly reading the byte number in described system file, when reading the byte number in two system files and being all greater than zero, then judging that local equipment network can be used; If after the byte number repeatedly in reading system file, have at least the byte number in a system file to equal zero in described two system files, then judge that local equipment network is unavailable, described reading times is preset by user.
6. Sampling network whether can a device, it is characterized in that, described device comprises:
Broadcast data packet unit, for after local equipment system kernel and drive load, starts the network set up and detects service and to network equipment broadcast data packet;
Byte number memory cell, is stored in two system files for local equipment by the byte number successfully sending and receive respectively;
Whether network detecting unit, can be used for the network being detected local equipment by the byte number read in described system file.
7. device as claimed in claim 6, is characterized in that, described system file is created by trawl performance.
8. device as claimed in claim 6, it is characterized in that, described network detecting unit comprises:
The machine read module, for local equipment by the byte number in reading system file, when the byte number in described two system files is all greater than zero, arrange network available flag position, external test facility reads this flag bit by serial ports and learns that local equipment network is normal; When having at least the byte number in a system file to equal zero in described two system files, then regularly repeatedly read the byte number in described system file, when reading the byte number in two system files and being all greater than zero, arrange network available flag position, external test facility reads this flag bit by serial ports and learns that local equipment network is normal; If after the byte number repeatedly in reading system file, the byte number in a system file is had at least to equal zero in described two system files, the unavailable flag bit of network is then set, external test facility reads this flag bit by serial ports and learns that local equipment network is unavailable, and described reading times is preset by user.
9. device as claimed in claim 6, it is characterized in that, described network detecting unit also comprises:
Peripheral hardware read module, for external test facility by the byte number in serial ports reading system file, when the byte number in described two system files is all greater than zero, then judges that local equipment network can be used; When having at least the byte number in a system file to equal zero in described two system files, then regularly repeatedly reading the byte number in described system file, when reading the byte number in two system files and being all greater than zero, then judging that local equipment network can be used; If after the byte number repeatedly in reading system file, have at least the byte number in a system file to equal zero in described two system files, then judge that local equipment network is unavailable, described reading times is preset by user.
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| CN105744367B (en) * | 2016-03-08 | 2019-05-07 | 四川长虹电器股份有限公司 | Wireless quick networking methods on Android TV |
| CN105933160B (en) * | 2016-06-23 | 2020-02-18 | 四川长虹电器股份有限公司 | Method for realizing rapid connection of wired network on Android smart television |
| CN106954281A (en) * | 2017-03-24 | 2017-07-14 | 成都市极米科技有限公司 | A kind of WIFI connection methods and device |
| 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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