CN105739952A - Network line maintenance method and computer system - Google Patents
Network line maintenance method and computer system Download PDFInfo
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- CN105739952A CN105739952A CN201410739738.XA CN201410739738A CN105739952A CN 105739952 A CN105739952 A CN 105739952A CN 201410739738 A CN201410739738 A CN 201410739738A CN 105739952 A CN105739952 A CN 105739952A
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Abstract
The invention provides a network line maintenance method and a computer system; the method is suitable for the computer system having a timer; the timer is used for regularly waking up the computer system so as to inspect whether the network line is normal or not; the method comprises the following steps: firstly waking up the computer system at a first time interval in a preset period, and obtaining present network address of the computer system, wherein the preset period is divided into a plurality of segments according to the first time interval; determining whether the network address changes or not in each segment, and waking up the computer system according to the result so as to inspect the network line.
Description
Technical field
The present invention relates to the maintaining method of a kind of network connectivity, particularly relating to a kind of via timing being waken up network connectivity maintaining method and computer system that network connectivity is safeguarded.
Background technology
In recent years, along with computer technology makes rapid progress, remote controlling technology is more and more general.Computer system can be operated by far-end by user whenever and wherever possible via network.Such as user can utilize far-end to control to manipulate and be in or the computer system of office anywhere, to obtain required data or to carry out far-end operation.System manager can also utilize far-end to control to be obtained the information such as the hardware state of computer system, System Event Log record by far-end, to grasp the restriction without being subject in the time and space of the state of computer system at any time.
In remote controlling technology now, (it is such as senior configuration and power interface (AdvancedConfigurationandPowerInterface when user side desire far-end is connected to enter battery saving mode, be called for short ACPI) the S3/S4 pattern of institute's specification) computer system time, must be known by the Internet protocol address (InternetProtocolAddress of computer system, it is called for short IPaddress, hereinafter referred to as the network address), just can via network remote wakeup (WakeonLAN, it is called for short WOL) computer system, to reach the demand that user side far-end controls.Wherein great majority such as computer system at home, its network address is to use the floating type IP address (FloatingIPAddress) provided by Internet service provider's (InternetServiceProvider is called for short ISP).In practice, Internet service provider periodically can change the floating type network address provided at random to prevent the assaults such as network hacker.
But, when changing in the network address of computer system, if computer system is just into battery saving mode, then the new network address after by replacing of cannot having an opportunity is informed to being intended to use the user side of far-end line to know.Thus result in user side cannot to wake package up via the new network address and be sent to computer system smoothly, and then lose the function that far-end controls.
Summary of the invention
In view of this, the present invention provides a kind of network connectivity maintaining method and computer system, can detect that the period that the computer system network address is changed, and utilize timer (Real-timeclock, it is called for short RTC) wake computer system up in the period of network address replacing, to safeguard the normal operation of its network connectivity.
The network connectivity maintaining method of the present invention is applicable to the computer system with timer.Whether timer is normal to inspect network connectivity in order to timing wake-up computer system.First the method wakes computer system up every very first time interval within default period, and obtains the network address that computer system is current.It is divided into multiple period according to very first time spacer during wherein presetting.Next, it is determined that whether the network address changes in day part, and wake computer system according to this up to inspect network connectivity.
The computer system of the present invention, including network card, timer and processor.Network card sets up network connectivity.Timer wakes the computer system entering battery saving mode up within default period every very first time interval.It is divided into multiple period according to very first time spacer during wherein presetting.Processor obtains the network address that computer system is current, and judges whether the network address changes in day part, sets timer according to this and wakes computer system up to inspect network connectivity.
Based on above-mentioned, the network connectivity maintaining method of the present invention and computer system can first be preset in period at one section, detect the period that the network address of computer system changes.Further, carry out timing wake-up computer system in battery saving mode according to detected slot setup timer, to allow computer system in the normal mode the change of the network address can be carried out correspondence, safeguard the normal operation of network connectivity.Thereby, can prevent after the network address of computer system changes, namely by user side, computer system cannot be carried out the situation generation of far-end control again, maintain the unimpeded of network connectivity.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing to be described below in detail.
Accompanying drawing explanation
Fig. 1 is the block chart according to the computer system shown in one embodiment of the invention；
Fig. 2 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention；
Fig. 3 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention；
Fig. 4 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention；
Fig. 5 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention.
Description of reference numerals:
10: computer system；
12: network card；
14: timer；
16: processor；
S202～S204, S302～S312, S402～S408, S502～S508: each step of network connectivity maintaining method.
Detailed description of the invention
Computer system, when idle, can enter battery saving mode in general when, to avoid meaningless power consumption.Accordingly, the present invention can when computer system enters battery saving mode, via timer (Real-timeclock, it is called for short RTC) with interval timing wake-up computer system set in advance, it is effectively taking place the maintenance of computer system network connectivity to react the change of the computer system network address.And then allow user can the smoothly data of accessed computer system and state whenever and wherever possible, play effect that far-end controls.
Fig. 1 is the block chart according to the computer system shown in one embodiment of the invention.Refer to Fig. 1, the computer system 10 of the present embodiment is such as the computer installations such as desktop computer, notebook computer or server, and including network card 12, timer 14 and processor 16, its function is described below:
Network card 12 is such as support the wireless network card of the wireless communication standard such as motor and Electronic Engineering Association's (InstituteofElectricalandElectronicsEngineers is called for short IEEE) 802.11n/b/g or support the network card that cable network links.It can carry out network connectivity by other devices of wirelessly or non-wirelessly mode Yu external network.
Timer 14 can be the element that any type has timing function.(it is such as senior configuration and power interface (AdvancedConfigurationandPowerInterface when computer system 10 enters battery saving mode, be called for short ACPI) the S3/S4 pattern of institute's specification) time, timer 14 can timing wake-up computer system 10 whether normal with the network connectivity inspecting computer system 10.
Processor 16 is such as the CPU (CentralProcessingUnit with single core or multi-core, it is called for short CPU), or the microprocessor of the general service of other programmables or specific use (Microprocessor), digital signal processor (DigitalSignalProcessor, it is called for short DSP), programmable controller, ASIC (ApplicationSpecificIntegratedCircuits, it is called for short ASIC), programmable logic device (ProgrammableLogicDevice, it is called for short PLD) or the combination of other similar devices or these devices.Processor 16 coupled scheme card 12 and timer 14, to realize the maintenance function of network connectivity.Hereinafter namely illustrate that computer system 10 safeguards the detailed step of network connectivity for embodiment.
Fig. 2 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention.Referring to Fig. 1 and Fig. 2, the network connectivity maintaining method of the present embodiment is applicable to the computer system 10 of Fig. 1, each step of the network connectivity maintaining method of the every component description present invention namely arranged in pairs or groups in computer system 10 below.
In step S202, timer 14 can be preset in period at one section and wake computer system 10 up every very first time interval, and allows processor 16 can obtain the network address that computer system 10 is current.Multiple period can be divided into according to very first time spacer during wherein presetting.Specifically, when computer system 10 enters battery saving mode (such as S3/S4 pattern), presetting period internal timer 14 at one section can every very first time interval timing wake-up computer system 10.For example, if this being preset period be set as 7 days, namely 168 hours, and very first time interval can be such as 30 minutes, therefore this can be preset the every day in period (7 days) according within 30 minutes, being distinguished into multiple period, for instance 12:00～12:30,12:30～13:00,13:00～13:30 etc. are by that analogy.And, when computer system 10 is waken up, processor 16 can obtain, by the function of the operating system (such as Microsft Windows system (MicrosoftWindows)) performed by computer system 10 or network card 12, the network address that computer system 10 is current.It should be noted that, those skilled in the art can look its actual demand, sets above-mentioned default period and very first time interlude length, and this is not any limitation as by the embodiment of the present invention.
In step S204, processor 16 can determine whether whether the network address changes in day part (such as 12:00～12:30,12:30～13:00,13:00～13:30 etc.), and wakes computer system 10 according to this up to inspect network connectivity.Specifically, after the period that computer system 10 network address changes judged by processor 16, timer 14 can be set and wake computer system 10 up to inspect network connectivity with the period (such as 12:00～12:30) changed in the network address, thus preventing the network address of computer system 10 to be replaced when detecting, cause the interruption of network connectivity.
In another embodiment, computer system can add up the number of times that in day part, the network address changes, and timer is set to the period timing wake-up computer system changed in the network address, to safeguard network connectivity.
In detail, Fig. 3 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention.Referring to Fig. 1 and Fig. 3, the network connectivity maintaining method of the present embodiment is applicable to the computer system 10 of Fig. 1, each step of the network connectivity maintaining method of the every component description present invention namely arranged in pairs or groups in computer system 10 below.
In step s 302, timer 14 can be preset in period at one section and wake computer system 10 up every very first time interval, and allows processor 16 can obtain the network address that computer system 10 is current.Multiple period can be divided into according to very first time spacer during wherein presetting.This step S302 is same or similar with the step S202 of previous embodiment, therefore its detailed content does not repeat them here.
With previous embodiment the difference is that, in the present embodiment, processor 16 in step s 304, can add up the number of times that in day part, the network address changes, and the cycle of computing network address modification according to this.For example, processor 16 can set up a form.Form includes the above-mentioned multiple periods distinguished according to very first time interval (such as 30 minutes), for instance 12:00～12:30,12:30～13:00,13:00～13:30 etc. are by that analogy.Additionally, in this form, each period such as has number of times and the date of the network address change of correspondence.When form is just set up, the network address corresponding to dated period change number of times and be all zero.But, in default period, whenever computer system 10 is when certain period, (such as 12:00～12:30) detected that the network address changes, processor 16 can update network address change number of times (adding 1 by number of times) in form corresponding to this period, and processor 16 can after presetting period (such as 7 days), the day part number of times that every day, the network address changed in statistical table, such as in 7 days, the period network address of 12:00～12:30 changes number of times is 10, in 7 days, the period network address of 4:00～4:30 changes number of times is 0 etc., and then the cycle (such as changing the network address in the period of the 12:00～12:30 of every two days) that the network address changes can be calculated.
Then, in step S306, processor 16 can set timer 14 according to this periodic awakening computer system 10 to inspect network connectivity.Specifically, processor 16 can set timer 14 according to the periodic awakening computer system 10 calculated by above table to inspect network connectivity.
Then, in step S308, if network connectivity interrupts, processor 16 controls to be re-established network connectivity by the network card 12 of computer system 10, and obtains the new network address.Specifically, when inspecting network connectivity with the calculated cycle, if detecting, network connectivity interrupts, and processor 16 then can control by the network card 12 of computer system 10 to re-establish network connectivity, and obtains the new network address.
Then, in step S310, processor 16 may utilize network card 12 and transmits the new network address to remote wakeup server (user side), makes remote wakeup server may utilize new network address remote wakeup and control computer system 10.
Finally, in step S312, after network connectivity re-establishes, processor 16 can control computer system 10 and enter battery saving mode.Specifically, after processor 16 utilizes network card 12 to re-establish network connectivity, processor 16 can control computer system 10 and enter battery saving mode, to save the consumption of electric power.
In another embodiment, computer system is in the period that the network address changes, it is possible to less interval accurately judges that out the exact time that the network address changes, and to reduce the meaningless time waken up, reaches more energy-conservation effect.
In detail, Fig. 4 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention.Referring to Fig. 1 and Fig. 4, the network connectivity maintaining method of the present embodiment is applicable to the computer system 10 of Fig. 1, each step of the network connectivity maintaining method of the every component description present invention namely arranged in pairs or groups in computer system 10 below.
In step S402, timer 14 can be preset in period at one section and wake computer system 10 up every very first time interval, and allows processor 16 can obtain the network address that computer system 10 is current.Multiple period can be divided into according to very first time spacer during wherein presetting.This step S402 is same or similar with the step S302 of previous embodiment, therefore its detailed content does not repeat them here.
Then, in step s 404, processor 16 can determine whether whether the network address changes in day part.With previous embodiment the difference is that, in the present embodiment, processor 16, can within the period waking computer system 10 up in step S406, obtain the network address of computer system 10 every the second interval, and judge the exact time that this period Intranet network address changes according to this.Wherein the second interval is less than very first time interval.For example, when the period (such as 12:00～12:30) that the network address of computer system 10 changes judged by processor 16, processor 16 section can obtain the network address of computer system 10 at this moment every the second interval (such as 1 minute) little compared with very first time interval, namely such as obtains the network address of computer system 10 in the time of 12:01,12:02～12:29,12:30 respectively.Thereby, processor 16 can be less the second interval (such as 1 minute) carry out the detection of the network address, to judge the exact time (such as judging that exact time is as 12:09,12:11) that in the period, the network address changes more accurately.
Finally, in step S408, processor 16 can set timer 14 according to the exact time that the network address changes and wake computer system 10 up to inspect network connectivity.Specifically, processor 16 can set timer 14 timing wake-up computer system 10 according to the exact time that the judged network address changes, and to inspect network connectivity according to shorter wakeup time, reaches more energy-conservation effect.
In another embodiment, computer system in the historical record that the period that the network address changes is embedded in correspondence, to allow computer system at the follow-up historical record being found out correspondence by identification code, and can set timer timing wake-up computer system according to this.
In detail, Fig. 5 is the flow chart according to the network connectivity maintaining method shown in one embodiment of the invention.Referring to Fig. 1 and Fig. 5, the network connectivity maintaining method of the present embodiment is applicable to the computer system 10 of Fig. 1, each step of the network connectivity maintaining method of the every component description present invention namely arranged in pairs or groups in computer system 10 below.
In step S502, timer 14 can be preset in period at one section and wake computer system 10 up every very first time interval, and allows processor 16 can obtain the network address that computer system 10 is current.Multiple period can be divided into according to very first time spacer during wherein presetting.Then, in step S504, processor 16 can determine whether whether the network address changes in day part.These step S502, S504 are same or similar with the step S402 of previous embodiment, S404 respectively, therefore its detailed content does not repeat them here.
With previous embodiment the difference is that, in the present embodiment, processor 16, in step S506, can obtain computer system 10 and set up the identification code of the access point (AccessPoint) that network connectivity links.For example, the network connectivity that computer system 10 is set up is by the link with the access point in residing network environment, for instance with the link of router or radio base station, carry out externally connected world-wide web.In the present embodiment, processor 16 such as can obtain the identification code of these access points of computer system 10 by network card 12, for instance service setting identification code (ServiceSetIdentifier is called for short SSID), and can according to identification code identification access point.
Finally, in step S508, processor 16 can record period that the network address changes in a historical record in the memory element (not shown) of computer system 10, and associates identification code in historical record.Specifically, processor 16 can record a historical record in memory element (not shown).Wherein, historical record at least records the day part having the network address of computer system 10 to change and identification code associated there, to set the reference of wakeup time as next time.
For example, in another embodiment, if after processor 16 gets the identification code of access point, acquired identification code can be compared by processor 16 with the multiple identification codes being stored in associated by many historical records of memory element (not shown), to find out the historical record being associated with identification code (current access point).Further, processor 16 can set timer 14 according in historical record record the network address change period or the cycle, wake computer system 10 up to inspect network connectivity.
In sum, the network connectivity maintaining method of the present invention and computer system, can detect that the period that the computer system network address changes, and set the period that timer timing changes in the network address according to this and wake the computer system in battery saving mode up.Thereby, the change of computer system map network address in the normal mode can be allowed to safeguard the normal operation of network connectivity, to prevent the interruption of network connectivity.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (16)
1. a network connectivity maintaining method, it is characterised in that be applicable to the computer system with timer, whether this timer is normal to inspect network connectivity in order to this computer system of timing wake-up, and the method comprises the following steps:
Waking this computer system up every very first time interval within default period, and obtain the network address that this computer system is current, wherein this is divided into multiple period according to this very first time spacer during presetting；And
Judge whether this network address changes within each described period, wake this computer system according to this up to inspect this network connectivity.
2. network connectivity maintaining method according to claim 1, it is characterised in that judge whether this network address changes within each described period, wakes this computer system according to this up and includes with the step inspecting this network connectivity:
The described period changed in this network address, wake this computer system up to inspect this network connectivity.
3. network connectivity maintaining method according to claim 1, it is characterised in that judge whether this network address changes within each described period, wakes this computer system according to this up and includes with the step inspecting this network connectivity:
Add up the number of times that in each described period, this network address changes, calculate the cycle that this network address changes according to this；And
According to this computer system of this periodic awakening to inspect this network connectivity.
4. network connectivity maintaining method according to claim 1, it is characterised in that judging whether this network address changes within each described period, wake up according to this this computer system with inspect this network connectivity step after also include:
If this network connectivity interrupts, this computer system re-establish this network connectivity, and obtain this new network address；And
After this network connectivity re-establishes, control this computer system and enter battery saving mode.
5. network connectivity maintaining method according to claim 4, it is characterised in that after obtaining the step of this new network address, also include:
Transmit this new network address to remote wakeup server.
6. network connectivity maintaining method according to claim 1, it is characterised in that judge whether this network address changes within each described period, wakes this computer system according to this up and includes with the step inspecting this network connectivity:
Within this period waking this computer system up, this network address of this computer system is obtained every the second interval, judge the exact time that in this period, this network address changes according to this, and wake this computer system up according to this exact time, wherein this second interval is less than this very first time interval.
7. network connectivity maintaining method according to claim 1, it is characterised in that judge whether this network address changes within each described period, wakes this computer system according to this up and includes with the step inspecting this network connectivity:
Obtain this computer system and set up the identification code of the access point that this network connectivity links；And
Record described period that this network address changes in historical record, and associate this identification code in this historical record.
8. network connectivity maintaining method according to claim 7, it is characterised in that after this computer system of acquisition sets up the step of identification code of this access point that this network connectivity links, also include:
This acquired identification code is compared with the multiple identification codes associated by many historical records, to find out this historical record being associated with this identification code；And
The described period changed according to this network address of record in this historical record or cycle, wake this computer system up to inspect this network connectivity.
9. a computer system, it is characterised in that including:
Network card, sets up network connectivity；
Timer, wakes this computer system entering battery saving mode up within default period every very first time interval, and wherein this is divided into multiple period according to this very first time spacer during presetting；And
Processor, couples this network card and this timer, obtains the network address that this computer system is current, and judges whether this network address changes within each described period, sets this timer according to this and wakes this computer system up to inspect this network connectivity.
10. computer system according to claim 9, it is characterised in that this processor sets the described period that this timer changes in this network address, wakes this computer system up to inspect this network connectivity.
11. computer system according to claim 9, it is characterized in that, the number of times that in each described period, this network address changes added up by this processor, calculate the cycle that this network address changes according to this, and this processor sets this timer according to this computer system of this periodic awakening to inspect this network connectivity.
12. computer system according to claim 9, it is characterized in that, if this network connectivity interrupts, this processor controls to be re-established this network connectivity by this network card of this computer system, and obtain this new network address, and after this network connectivity re-establishes, this processor controls this computer system and enters battery saving mode.
13. computer system according to claim 12, it is characterised in that this processor utilizes this network card to transmit new this network address to remote wakeup server.
14. computer system according to claim 9, it is characterized in that, within this period waking this computer system up, this processor obtains this network address of this computer system every the second interval, judge the exact time that in this period, this network address changes according to this, and wake this computer system up according to this exact time, wherein this second interval is less than this very first time interval.
15. computer system according to claim 9, it is characterized in that, also include memory element, wherein this processor obtains this computer system and sets up the identification code of the access point that this network connectivity links, and the described period that this processor changes in this network address of this unit records is in historical record, and associate this identification code in this historical record.
16. computer system according to claim 15, it is characterized in that, this acquired identification code is compared by this processor with the multiple identification codes associated by many historical records being stored in this memory element, to find out this historical record being associated with this identification code, and this processor set this timer according in this historical record record this network address change the described period or the cycle, wake this computer system up to inspect this network connectivity.
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| CN201410739738.XA CN105739952A (en) | 2014-12-08 | 2014-12-08 | Network line maintenance method and computer system |
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| CN101953117A (en) * | 2008-02-18 | 2011-01-19 | 微软公司 | Efficient and transparent remote wakeup |
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