CN102333079A - Method for clearing disk space - Google Patents
Method for clearing disk space Download PDFInfo
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- CN102333079A CN102333079A CN201110212473A CN201110212473A CN102333079A CN 102333079 A CN102333079 A CN 102333079A CN 201110212473 A CN201110212473 A CN 201110212473A CN 201110212473 A CN201110212473 A CN 201110212473A CN 102333079 A CN102333079 A CN 102333079A
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Abstract
The invention provides a method for clearing disk space, and is suitable to clear the disk space of portable cloud storage. In a system comprising a portable cloud storage device, a host machine and a remote cloud storage server, the method comprises the following steps of identifying whether the file opened by a user is in a queue, wherein the queue is a filename queue used for saving the names of the files used by the user recently; if so, deleting the filename from the queue and executing the next step; if not, executing the next step; placing the filename in the end part of the queue; identifying whether the usage space of the currently used disk reaches or exceeds the preset clearing threshold, if so, executing the next step, if not, returning to finish; finding the file satisfying the preset condition according to the presetting rule, clearing one by one until the usage space of the currently used disk is smaller than a preset end clearing threshold. With the adoption of the method and the matched portable storage device and the remote cloud storage server, the local storage space can be effectively saved, the limited portable storage resource can be greatly utilized, and thus, the storage efficiency of the cloud storage can be increased.
Description
Technical field
The application relates to a kind of disk space method for cleaning, especially a kind of disk space method for cleaning of portable cloud memory device.
Background technology
Conventional store is because data only are present in local device, and the user can't be at long-range visit data easily; Simultaneously, be equipped with the rank user that has certain requirements, need the cost substantial contribution to buy dedicated storage equipment, build the complicacy and the storage system of easy care not for the data calamity.And the cloud storage gathers collaborative work with a large amount of various dissimilar memory devices in the network through application software through cluster application, grid or distributed file system etc., and storage and Operational Visit function externally are provided jointly.And then solved the problem that user's remote data access and data calamity are equipped with.There is following problem in the practical application medium cloud: 1. Information Security is not high: user data has the danger of being revealed; 2. availability of data is limited: consider network environment, factors such as subscriber's local environment, the data that the user in some cases can't access stored; 3. ease for use is poor: do not meet user's use habit.
Summary of the invention
The method of a kind of disk space of the present invention cleaning is used for comprising the system of portable cloud memory device, host and long-range cloud storage server, and said method comprises:
1) whether the file opened of judges in formation, wherein, and the filename formation that said formation is used for the user who preserves in the recent period;
2), after then said filename being deleted, carry out next step from formation if in formation; If do not exist, carry out next step;
3) said filename is put into the formation afterbody;
Whether the usage space of 4) judging currently used disk meets or exceeds preset cleaning threshold, if surpass, carries out next step, if do not have, returns end;
6) according to preset rule, find and satisfy pre-conditioned file, cleaning one by one, until the usage space of the disk of current use less than a preset end cleaning threshold.
Wherein, Formation in the said step 1) is according to the orderly formation of frequency of utilization ordering or uses the fifo queue of sequencing ordering, in step 2) if in formation, said filename delete from formation further to comprise: the record that uses the user increases once to be counted; From formation, said filename is deleted then; According to all access times of said file, find the position in formation, fall in lines again; If there is the identical record of access times, then said filename is placed on the back of all same number records, fall in lines again.In step 2) in, if not in formation, said file access times are set to 1 after, carry out next step.In step 5), said preset rule is meant from the formation head and begins to clear up buffer memory, adopts mode in batches to pursue batch filename of deletion formation head; Or said preset rule is meant from the size of the priority height of file frequency of utilization height, file or file selects the preset rule of one or more conducts.
Said disk space method for cleaning further may further comprise the steps:
71) condition of selection screening file from preset rule;
72) according to selected condition setting first threshold, and the All Files less than said first threshold is satisfied in cleaning;
73) judge after the cleaning when the front disk usage space whether less than said end cleaning threshold, if, carry out next step, if not, then return execution in step 71), until when the front disk usage space less than finishing cleaning threshold;
74) return end.
When said preset rule is the file frequency of utilization, said method comprising the steps of:
81) one first file frequency of utilization threshold value is set;
82) cleaning satisfy All Files less than said threshold value '
83) whether work as the front disk usage space after the judgement cleaning less than the end cleaning threshold, if, return end, if not, next step carried out;
84) setting one is higher than the second file frequency of utilization threshold value of the said first file frequency of utilization threshold value, returns execution in step 82),
Until working as the front disk usage space less than finishing cleaning threshold.
When said preset rule is the combination of file frequency of utilization, File Privilege and file size, said method comprising the steps of:
91) one first file frequency of utilization threshold value is set;
92) All Files less than the said first file frequency of utilization threshold value is satisfied in cleaning;
93) whether work as the front disk usage space less than said end cleaning threshold after the judgement cleaning, if, return end, if not, next step carried out;
94) further screen, one first File Privilege threshold value is set according to File Privilege;
95) cleaning satisfy All Files less than the said first File Privilege threshold value '
96) whether work as the front disk usage space less than said end cleaning threshold after the judgement cleaning, if, return end, if not, next step carried out;
97) further screen, one first file size threshold value is set according to file size;
98) All Files greater than the said first file size threshold value is satisfied in cleaning;
99) whether work as the front disk usage space less than said end cleaning threshold after the judgement cleaning; If; Return end, if not, second a file size threshold value greater than above-mentioned first file size then further is set; Continue cleaning and satisfy All Files, until till the front disk usage space is less than said end cleaning threshold greater than the said second file threshold value.
Said disk space method for cleaning further comprises:
101) condition of selection screening file from preset rule;
102) according to selected condition setting one first threshold;
103) judge after the cleaning when the front disk usage space whether less than said end cleaning threshold, if, execution in step 101; If not; Carry out next step, after judging cleaning according to screening conditions when front disk usage space during less than said end cleaning threshold, execution in step 105);
104) All Files less than said threshold value is satisfied in cleaning, returns step 102);
105) return end.
When said screening conditions were the file frequency of utilization, said method comprised:
111) one first file frequency of utilization threshold value is set;
112) judge cleaning accomplish after when the usage space of front disk whether less than said end cleaning threshold, if, carry out next step, if not, carry out 114);
113) setting one is lower than the second frequency of utilization threshold value of above-mentioned last frequency of utilization threshold value, returns execution in step 112);
114) All Files less than said threshold value is satisfied in cleaning;
115) setting one is higher than the 3rd frequency of utilization threshold value of above-mentioned last frequency of utilization threshold value;
Whether the usage space of working as front disk after 116) the judgement cleaning is accomplished is less than said end cleaning threshold; If; Return end, if not, after continuing to clear up the All Files that satisfies less than said the 3rd frequency of utilization threshold value; Setting one is higher than the 4th frequency of utilization threshold value of the 3rd frequency of utilization threshold value, repeats 116) to till the front disk usage space is less than said end cleaning threshold.
When said preset rule is the combination of file frequency of utilization, File Privilege and file size, said method comprising the steps of:
121) one first file frequency threshold is set;
122) whether usage space was less than said end cleaning threshold, if carry out 134 after above-mentioned file was cleared up in judgement), if not, next step then carried out;
123) All Files less than this first threshold is satisfied in cleaning, returns step 122);
124) further screen, one first File Privilege threshold value is set according to File Privilege;
125) judge the above-mentioned file of cleaning after usage space whether less than said end cleaning threshold, if, execution in step 127), if not, then carry out next step;
126) All Files less than this first File Privilege threshold value is satisfied in cleaning, returns step 125);
127) further screen, one first file size threshold value is set according to file size;
128) whether usage space was less than said end cleaning threshold after above-mentioned file was cleared up in judgement; If; Carry out next step, if not, second a file size threshold value greater than the above-mentioned first file size threshold value then further is set; Continue execution in step 128), until till the front disk usage space is less than said end cleaning threshold;
129) All Files greater than this first file size threshold value is satisfied in cleaning;
130) return end.
Wherein, said preset cleaning threshold is more than or equal to described end cleaning threshold.
Owing to adopted the technology that portable memory apparatus is combined with the cloud memory technology in the present invention; Client of the present invention (portable cloud storage device) adopts portable design; Plug and play can provide the virtual memory of magnanimity, makes things convenient for the user on any machine, to use own familiar working interface and user data whenever and wherever possible; On local host, do not keep any personal data, stop data from the source and be stolen; Simultaneously, the user can the off-line editing document, will be automatically when online and the cloud storage server carry out synchronously, be that user data provides perfect data to recover and backup functionality in conjunction with the cloud memory technology, convenient reliable.On this basis; In conjunction with the application's disk space method for cleaning, can effectively practice thrift the local memory space of portable memory apparatus, utilize limited portable storage resource greatly; The efficient and the convenience of the use of portable cloud storage have further been promoted; Simultaneously, versatile and flexible because of screening conditions and deletion mode, have good user's experience.
Description of drawings
Fig. 1 is the flow chart of the application's portable storage method.
Fig. 2 a is an embodiment of the application's disk space method for cleaning.
Fig. 2 b is the another embodiment of the application's disk space method for cleaning.
Fig. 3 a is first embodiment of automatic cleaning method of the application's disk space.
Fig. 3 .a1 is second embodiment of the application's disk automatic cleaning method.
Fig. 3 .a2 is the 3rd embodiment of the application's disk automatic cleaning method.
Fig. 3 b is the 4th embodiment of the application's disk automatic cleaning method.
Fig. 3 b1 is the 5th embodiment of the application's disk automatic cleaning method.
Fig. 3 b2 is the 6th embodiment of the application's disk automatic cleaning method.
Fig. 4 is the application's register flow path figure.
Fig. 5 is the application's login process figure.
Fig. 6 is that the application's certificate recovers flow chart.
Fig. 7 is the application's Data Recovery Process figure.
Fig. 8 is the application's a hardware structure diagram.
Embodiment
The invention provides a kind of Disk Cleanup method, this method is applicable to the disk space cleaning of portable cloud storage, can effectively practice thrift local memory space, utilizes limited portable storage resource greatly.The utilization of portable cloud storage means has the portable cloud memory device of certain storage capacity as disk; For the user provides at a high speed magnanimity virtual memory space efficiently, long-range cloud storage server then provides more efficiently mass memory platform more reliably for the user.All data of user all are stored in the cloud storage server of portable cloud memory device and far-end, and any data of storage can not produce any temporary file in this locality in the use yet on the not local host.The data that are stored in portable cloud memory device are all through encrypting, and at first identifying user identity ability normal read-write data have more increased the user and carried out reading and writing data process safe property.
The method of portable cloud storage is as shown in Figure 1, mainly may further comprise the steps:
1) portable cloud memory device is connected on the host, keeps being connected through network and long-range cloud storage server;
2) open client in the portable cloud memory device, the input username and password is carried out the login authentication operation;
3) after authentication was passed through, this portable memory utilized driver to simulate a virtual disk and supplies user storage data, and in the data download/upload that the user is to be read and write to the long-range cloud storage server;
4) after operation is accomplished, user log off, and take off portable cloud memory device from host.
Wherein, this portable cloud memory device can be the portable storage media that USB flash disk or portable hard drive etc. can be connected with computer.In addition; The user is when carrying out write operation to the data of this locality, and the data that this portable memory writes the user on the backstage in time are synchronized in the cloud storage server, if do not fail synchronously because of network failure or user are online; Then can carry out not sync mark to this partial data; Then after network recovery or user next time during logging in network, portable memory can be with behind the data upload with not sync mark to the cloud storage server, and cancels not sync mark.The user need be downloaded to this locality from the cloud storage server with data when reading the data of local not existence (this locality is merely shelf document, and the size of shelf document is 0KB); Portable memory can find relevant data from the cloud storage server earlier, and judges whether portable cloud memory device has enough spaces to download these data, if having; Then data download if do not have, then needs to start earlier the Disk Cleanup flow process; Carry out Disk Cleanup, after enough memory spaces are arranged, the ability data download; And in downloading process; Portable memory is monitored the cleaning threshold whether already used memory space arrives setting at any time, if arrive, then starts the Disk Cleanup flow process.
The user is when using the online storage data of portable memory of the present invention; Because the local finite capacity of portable cloud memory device; The local memory capacity of portable cloud memory device is prone to the situation of memory space inadequate, in this case, the invention provides a kind of disk space method for cleaning; In time that frequency of utilization is low, the big data sync that takes up space is in long-range cloud storage server; The Disk Cleanup algorithm here will use LRU (Least Recently Used) algorithm, and promptly least recently used page replacement algorithm is virtual page mobile sms service.Under the internal memory condition of limited, expand a part of external memory as virtual memory, the used information that obtains when real internal memory is only stored current operation; When document storage is in portable cloud memory device, when not surpassing the appointment remaining space, the disk space cleaning operation can not take place; When finding to surpass the appointment remaining space; Will start this disk space cleaning way, the file (for example big file or .ISO .BAK etc.) that does not often use portable cloud memory device the inside is done the Disk Cleanup operation, be uploaded in the cloud storage server; This locality becomes shelf document (file size is 0KB) then, and the idiographic flow of this method is shown in Fig. 2 a:
21) whether the file opened of judges in formation, wherein, and the filename formation that said formation is used for the user who preserves in the recent period; For the queueing discipline of formation, multiple mode is arranged, for example, comparatively common according to first in first out (FIFO) formation of using the sequencing ordering (that the most seldom uses is placed on head, and use the most often is placed on afterbody);
22), after then said filename being deleted, carry out next step from formation if in formation; If do not exist, carry out next step;
23) said filename is put into the formation afterbody;
24) usage space of judging currently used disk whether meet or exceed preset cleaning threshold (for example set cleaning threshold and be portable cloud memory device the storage total capacity 80%),
25) if surpass, carry out next step,, return end if do not have;
26) according to preset rule, find and satisfy pre-conditioned file, cleaning one by one, until the usage space of the disk of current use less than a preset end cleaning threshold.Here the mode of handling has multiple, for example, and in a kind of embodiment of the application; If arrive or surpass the threshold value that sets, begin to clear up buffer memory from the formation head, adopt batch mode (such as sum 1%) a collection of deletion formation head; Until the usage space of current use disk less than finish cleaning threshold (for example set finish cleaning threshold be portable cloud memory device the storage total capacity 60%), wherein, choosing 60% here is in order to clear up conveniently less than 80% of above-mentioned setting; Reduce the number of times of cleaning; Certainly, this percentage numeral is not fixed, and can set up on their own according to the needs that the user uses.
Another embodiment of the application comprises shown in Fig. 2 b:
2 ' 1) in formation, wherein, this formation is for preserving the filename formation of opening recently, according to the orderly formation of frequency of utilization ordering for the file opened of judges;
2 ' 2) if in formation, on the record of user's access times, increase once counting, from formation, delete then; According to all access times of this document, find the position in formation, if when having the identical record of access times; Be placed on the back of all same number records, fall in lines again;
2 ' 3) if not in formation; Said file access times are set to 1; Fall in lines, and judge whether present employed total memory capacity arrives or surpass the cleaning threshold that sets (for example set cleaning threshold and be portable cloud memory device the storage total capacity 80%);
2 ' 4) do not have to arrive or, return end above the threshold value that sets;
2 ' 5) perhaps surpass the threshold value that sets if arrive; Then, find the file that satisfies condition, one by one cleaning according to preset rule; After being released into enough disk spaces; The usage space of promptly working as front disk is less than preset end cleaning threshold, and wherein, said preset rule can be the conditions such as priority height according to the height or the file of file frequency of utilization.
Wherein, in above-mentioned steps 2 ' 5) the defrag space in, can also adopt the disk mode of cleaning automatically, shown in Fig. 3 a, concrete steps are following:
31) condition of selection screening file from preset rule; For example, said preset condition can be the frequency of utilization of file, the priority of file type, the one or more combinations in big or small several conditions of file;
32) according to selected condition setting one first threshold, the All Files less than said threshold value is satisfied in cleaning;
33) judge cleaning accomplish after when the usage space of front disk whether less than finishing cleaning threshold, if, return end, if not, then return execution in step 31), until the usage space of current use disk less than finishing cleaning threshold.
The user can also can arrange according to existing screening conditions according to the increase in demand screening conditions of self when in use; For example; Only use the file frequency of utilization this as screening conditions, so, above-mentioned disk automatically cleaning flow process as Fig. 3 a.1 shown in:
311) one first file frequency of utilization threshold value is set;
312) All Files less than said threshold value is satisfied in cleaning;
313) judge cleaning accomplish after when the usage space of front disk whether less than finishing cleaning threshold, if, return end, if not, carry out next step;
314) set one be higher than above-mentioned last frequency of utilization threshold value the second frequency of utilization threshold value, return execution in step 312), until the usage space of current use disk less than finishing cleaning threshold.
The various threshold values here can be to be set up on their own or when appearing on the scene, done default setting by producer by the user.
According to this mode; If the user selects to arrange according to existing screening conditions; Select a plurality of screening conditions to clear up, for example, the user selects according to the file frequency of utilization; Three conditions of the priority of file type and file size are carried out disk space cleaning successively, above-mentioned disk space clean-up process then as Fig. 3 a.2 shown in:
321) one first file frequency threshold is set;
322) All Files less than this first threshold is satisfied in cleaning;
323) judge behind the above-mentioned file of cleaning usage space whether less than finishing cleaning threshold, if, return end, if not, next step then carried out;
324) further screen, one first File Privilege threshold value is set according to File Privilege;
325) All Files less than this first File Privilege threshold value is satisfied in cleaning;
326) judge behind the above-mentioned file of cleaning usage space whether less than finishing cleaning threshold, if, return end, if not, next step then carried out;
327) further screen, one first file size threshold value be set according to file size,
328) All Files greater than this first file size threshold value is satisfied in cleaning;
329) whether usage space was less than finishing cleaning threshold after above-mentioned file was cleared up in judgement; If; Return end, if not, second a file size threshold value greater than the above-mentioned first file size threshold value then further is set; Continue cleaning and satisfy All Files, till usage space is less than the end cleaning threshold greater than this second file size threshold value.
Above-mentioned execution mode provides the multiple choices condition to the user, and the user can arrange according to the actual operating position of oneself flexibly, in addition; Some user hopes that the data of being deleted are few as much as possible, so when using the mode of disk space cleaning; In concrete implementation process; Can be with the mode step 33 of above-mentioned disk space cleaning) and 34) sequence of steps exchanges each other and can realize above-mentioned purpose, shown in Fig. 3 b, above-mentioned flow process becomes:
3 ' 1) condition of selection screening file from preset rule; For example, said preset condition can be the frequency of utilization of file, the priority of file type, the one or more combinations in big or small several conditions of file;
3 ' 2) according to selected condition setting one first threshold;
3 ' 3) judge cleaning accomplish after when the usage space of front disk whether less than finishing cleaning threshold, if carry out 3 ' 1); If not; Carry out next step, after judging cleaning according to screening conditions when front disk usage space during less than the end cleaning threshold, ' 5 of returning step 3);
3 ' 4) All Files less than said threshold value is satisfied in cleaning, ' 2 of returning step 3);
3 ' 5) return end.
The user can also can arrange according to existing screening conditions according to the increase in demand screening conditions of self when in use; For example; Only use the file frequency of utilization this as screening conditions, so, above-mentioned disk automatically cleaning flow process as Fig. 3 b.1 shown in:
3 ' 11) one first file frequency of utilization threshold value is set;
3 ' 12) judge cleaning accomplish after when the usage space of front disk whether less than finishing cleaning threshold, if, carry out next step, if not, carry out 3 ' 14);
3 ' 13) setting one is lower than the second frequency of utilization threshold value of the above-mentioned first frequency of utilization threshold value, returns execution in step 3 ' 12);
3 ' 14) All Files less than said threshold value is satisfied in cleaning;
3 ' 15) setting one is higher than the 3rd frequency of utilization threshold value of the above-mentioned first frequency of utilization threshold value;
Whether the usage space of working as front disk after 3 ' 16) the judgement cleaning is accomplished is less than the end cleaning threshold; If; Return end, if not, after continuing to clear up the All Files that satisfies less than said the 3rd frequency of utilization threshold value; Setting one is higher than the 4th frequency of utilization threshold value of the 3rd frequency of utilization threshold value, repeats to till the front disk usage space is less than the end cleaning threshold.
The threshold value here can be to be set up on their own or when appearing on the scene, done default setting by producer by the user, and for example, producer can be provided with one group of threshold value that the amplitude with every grade of fixed percentage increases progressively, and supplies the user to select from low to high to use.Can in the scope of conditions permit, delete minimum user data like this.
If the user selects multiple screening conditions to carry out Disk Cleanup; For example; The user selects according to the file frequency of utilization, and three conditions of the priority of file type and file size are carried out the disk space cleaning successively, above-mentioned disk space clean-up process then as Fig. 3 b.2 shown in:
3 ' 21) one first file frequency threshold is set;
3 ' 22) whether usage space was less than finishing cleaning threshold, if carry out 3 ' 34 after above-mentioned file was cleared up in judgement), if not, next step then carried out;
3 ' 23) All Files less than this first threshold is satisfied in cleaning, ' 22 of returning step 3);
3 ' 24) further screen, one first File Privilege threshold value is set according to File Privilege;
3 ' 25) judge behind the above-mentioned file of cleaning usage space whether less than finishing cleaning threshold, if, execution in step 3 ' 27), if not, next step then carried out;
3 ' 26) All Files less than this first File Privilege threshold value is satisfied in cleaning, ' 25 of returning step 3);
3 ' 27) further screen, one first file size threshold value be set according to file size,
3 ' 28) whether usage space was less than finishing cleaning threshold after above-mentioned file was cleared up in judgement; If; Carry out next step, if not, second a file size threshold value greater than the above-mentioned first file size threshold value then further is set; Continue execution in step 3 ' 28), till usage space is less than the end cleaning threshold;
3 ' 29) All Files greater than this first file size threshold value is satisfied in cleaning;
3 ' 30) return end.
Only as the instantiation explanation, in actual use, the user can be provided with screening conditions according to the actual demand of oneself to above embodiment, gives unnecessary details this no longer doing more.We can find out from foregoing description, and in the mode process that disk is cleared up automatically, the user can set up screening conditions on their own according to the demand of self, also can not process, and screens voluntarily according to the setting of system default.The condition combination of screening is varied, flexible.
In technique scheme; If the user lands first; Also need carry out the authentication registration process; This registration process mainly is to be kept at hardware sign indicating number in this portable cloud memory device through the utilization of cloud storage server to generate behind the certificate of certification and be handed down to portable cloud memory device, and as the authentication foundation, wherein said hardware sign indicating number is the unique identify label of this portable cloud memory device when supplying the later login authentication of this portable cloud memory device; Be that imprinting can not arbitrarily be rewritten in this portable cloud memory device when being dispatched from the factory by the hardware vendor.User's concrete register flow path is as shown in Figure 4, specifically comprises:
41) at first carry out the network state inspection, the network connectivty of inspection this locality and cloud storage server confirms that the user is online;
42) user inputs information such as user name, password and mailbox in register interface, and above-mentioned information and hardware sign indicating number are sent to the cloud storage server and carry out authentication registration;
43) the cloud storage server is verified user's hardware sign indicating number, if authentication is passed through, then creates certificate; If create the certificate success, portable cloud memory device backs up this certificate, and shows the registration completion; If it is unsuccessful to create certificate, then carry out next step; Wherein, said certificate comprises user name, information such as the hardware sign indicating number of password, mailbox message, identity card and portable memory.
44) return the information of registration failure.
The user is after creating the certificate success, accomplishing registration, and what carry out when logining once more is login process.Simultaneously, if the subscriber's local certificate just often also need be carried out logon operation, if the user occur that password is forgotten or portable cloud memory device is lost or damages after recover once more also can carry out register when certificate is successful.The detailed process of the login of above-mentioned three kinds of situation is as shown in Figure 5, comprising:
51) show login interface, the user imports username and password and logins;
52) portable cloud memory device carries out the legitimacy of user's identity is confirmed that if legal, then further read the hardware sign indicating number, if illegal, then execution in step 55);
53) whether the judges password is consistent with the local password of preserving, if consistent, then through checking, can normally login; If inconsistent, represent that then local verification does not pass through, further carry out the checking of cloud storage server;
54) if cloud storage server return information confirms that user cipher is consistent with the password in its certificate, then also preserve the password of revising local certificate, return the user simultaneously through checking, can normally login; If cloud storage server return information confirms that the password of user cipher and its certificate is inconsistent, then carry out next step;
55) return authentication failed information.
The user is after successfully logining; This portable memory can provide the virtual disk of self simulation as user's disk space; And in data download/upload simultaneously that the user is to be read and write to the long-range cloud storage server; After operation is accomplished, user log off, and can take off portable cloud memory device from host.All above processes are only having the biography of the uploading of data/down on portable storage media and long-range cloud storage server; And on host, do not have the data of Any user, in use can not generate temporary file yet, so; Concerning the user; Where use any host all to have very high fail safe wherein, do not have the risk that causes user data to be divulged a secret because of host, improved the fail safe experience that the user uses.Simultaneously, also make the use application program that the user can both be seamless under different hosted environments, realize the unification of operating environment.
The user is in the process of access data, and this portable cloud memory device and long-range cloud storage server are through mutual based on the self-defined network communication protocol of TCP/IP.
The user in use; May exist original portable cloud memory device to lose (loss dish); Use new portable cloud memory device (recovery dish) to carry out data and recover, the content recovery that is about to the loss dish could use the recovery flow process after at this moment needing the user that the loss dish is reported the loss in the recovery dish; Need provide the unique identity information of user to the keeper when reporting the loss, unify operation by the keeper.In addition, because the certificate file or the encrypt file of subscriber's local be destroyed, need the program recovery of dispatching from the factory be recovered back original user data in original portable cloud memory device.At this time; Need to carry out and recover flow process, recover flow process and comprise that specifically certificate recovers and data are recovered two parts, it is that the user passes through the effective information checking that certificate recovers flow process; The information of backup in the certificate is imported in the real certificate file, so that the normal use certificate written matter of program.Data Recovery Process is after certificate recovery process is complete, and carry out when logining next time, from server, reads the fileinfo tabulation, and carries out real file recovery process.It is as shown in Figure 6 that certificate recovers flow process, specifically comprises:
61) user gets into certificate recovery interface, inputs user name, password, identity card and mailbox;
62) with the password of user's input, mailbox and identity card send to server and verify, if legal, then read the backup certificate, if illegal, go to step 65);
63) according to the information that from the backup certificate, reads the cloud dish is carried out authentication; If failure goes to step 65);
64) after certificate recovers successfully, recovering mark is set, if mistake then goes to step 65);
65) return error message.
Recover to be provided with after the recovering mark in the flow process at certificate, then can carry out Data Recovery Process, specifically as shown in Figure 7, comprising:
71) whether set of recovering mark is if the listed files of server is read in set; If end is then returned in not set;
72) read the type of listed files file, if shelf document gets into step 73, if synchronous documents gets into step 74);
73) create the shelf document icon, the respective items in the deleted file tabulation of success back gets into step 75;
74) create file icon, the beginning data download is downloaded and is accomplished, and the respective items in the deleted file tabulation gets into step 75;
75) obtain next bar information successively, and repeating step 72), all be downloaded completion until all information;
76) deletion recovering mark, data are recovered to finish.
The application also provides a kind of portable cloud memory device; This equipment has certain memory space; Can rely on host to be connected with the cloud storage server, offer the virtual memory space of user's magnanimity through network, and the operation that can upload with the cloud storage server/download; This portable cloud memory device is as shown in Figure 7, mainly comprises with the lower part:
The telecommunication module; Be responsible between portable cloud memory device and the cloud storage server alternately, this telecommunication module mainly comprises document transmission module and information management module, this document transport module is responsible between portable cloud memory device and cloud storage server, carrying out the operation of file; For example upload, download, deletion etc.; This information management module is responsible for realizing the management and the user file management of information of user profile, and subscriber information management comprises the operations relevant with subscriber identity information such as the user registers, login, certificate recovery checking, and the user file management of information is included in maintenance customer's file information table in the server database; Be used for synchronously and recovery process is used; When file transfer operation finishes, carry out alternately with server, in operating result record and data in server storehouse.
User interactive module is responsible for mutual with the user, receives the input from the user, and tissue calls the various application modules of bottom, realizes the output of corresponding function, also is responsible for notifying the running status of each module of user simultaneously, in order to update displayed or trigger event.This user interactive module provides a user interface to supply user's input information to the user, the input that for example recovers user profile in the proof procedure at registration, login, certificate.
The core data administration module; Be connected with user interactive module, receive the user input data from user interactive module, the data of application programs realize centralized management; Mainly contain the management work of command queue, daily record, certificate, application data, disk, status data etc.; This core data administration module further comprises: disc information module, state information module, certificate management module; The application data administration module, daily record data administration module, command queue's administration module, Version Control module, file monitor module and Disk Cleanup module.
Wherein, the disc information module is responsible for providing memory space, and the spatial variations situation of monitoring disk and the hardware information of disk; The state information module is responsible for the management of various relevant informations; Mainly comprise portable cloud memory device program running information, recovery process information, network state information, setting various threshold values with relevant information such as not sync mark is set, here the various threshold values that threshold value comprises cleaning threshold, is provided with according to screening conditions are set.
The certificate management module is responsible for user's certificate is effectively managed, and comprises reading, preserve, import and process such as derivation of cert, the routine data encrypted area of the portable cloud memory device that certificate injects with the mode of encrypting; The application data administration module, responsible application programs is managed, and mainly contains the operation of display list and file association.
Command queue's administration module; Be responsible for realizing record to the user file system operation; The uploading/download in the reciprocal process of user and long-range cloud storage server, record is to all operations of file, the increase of file, the deletion of file, file modifying, priority, by the record of access times; File is carried out formation according to ad hoc rules to be arranged; File is added or deletes in the formation, used software and application program are carried out log management, the realization daily record is write down, query function; The FileVersion control module; Be responsible for the data protection of file; Record also shows all historical protective records, and offer the function that the user can date back to certain historical record, also is responsible for offering the user simultaneously and adds the version protection, submits operating functions such as version and deletion version to.
The file monitor module, the All Files of monitoring portable cloud memory device changes, after the spatial depiction that receives from the relevant disk of disc information module; When the file operation insufficient space; Mutual with the command queue administration module, notice Disk Cleanup module is called the Disk Cleanup flow process; The Disk Cleanup module; Be responsible for the defrag space; Under the trigger notice of file monitor module; Start the Disk Cleanup flow process, this Disk Cleanup module further comprises condition module, judge module and removing module, and this condition module is used to store the preset various screening conditions and the screening conditions of acquiescence; Judge module, according to from the information judges received of order queue management module when the file of front opening whether in formation, judge that according to the disk space situation of from the disc information module, obtaining whether disk space after the cleaning is less than cleaning threshold; Removing module is deleted file according to selected screening conditions.
Claims (14)
1. the method for a disk space cleaning is characterized in that said method is used for comprising the system of portable cloud memory device, host and long-range cloud storage server, and said method comprises:
1) whether the file opened of judges in formation, wherein, and the filename formation that said formation is used for the user who preserves in the recent period;
2), after then said filename being deleted, carry out next step from formation if in formation; If do not exist, carry out next step;
3) said filename is put into the formation afterbody;
Whether the usage space of 4) judging currently used disk meets or exceeds preset cleaning threshold, if surpass, carries out next step, if do not have, returns end;
5) according to preset rule, find and satisfy pre-conditioned file, cleaning one by one, until the usage space of the disk of current use less than a preset end cleaning threshold.
2. the method for claim 1 is characterized in that, the formation in the said step 1) is according to the orderly formation of frequency of utilization ordering or the fifo queue that uses sequencing to sort.
3. method as claimed in claim 2; It is characterized in that, in step 2) if in formation, said filename deleted from formation further to comprise: the record that uses the user increases once counting; From formation, said filename is deleted then; According to all access times of said file, find the position in formation, fall in lines again.
4. method as claimed in claim 3 is characterized in that, if there is the identical record of access times, then said filename is placed on the back of all same number records, falls in lines again.
5. method as claimed in claim 2 is characterized in that, in step 2) in, if not in formation, said file access times are set to 1 after, carry out next step.
6. the method for claim 1 is characterized in that, in step 5), said preset rule is meant from the formation head and begins to clear up buffer memory, adopts mode in batches to pursue batch filename of deletion formation head; Or said preset rule is meant from the size of the priority height of file frequency of utilization height, file or file selects the preset rule of one or more conducts.
7. method as claimed in claim 6 is characterized in that, further may further comprise the steps:
71) condition of selection screening file from preset rule;
72) according to selected condition setting first threshold, and the All Files less than said first threshold is satisfied in cleaning;
73) judge after the cleaning when the front disk usage space whether less than said end cleaning threshold, if, carry out next step, if not, then return execution in step 71), until when the front disk usage space less than finishing cleaning threshold;
74) return end.
8. method as claimed in claim 7 is characterized in that, when said preset rule is the file frequency of utilization, said method comprising the steps of:
81) one first file frequency of utilization threshold value is set;
82) cleaning satisfy All Files less than said threshold value '
83) whether work as the front disk usage space after the judgement cleaning less than the end cleaning threshold, if, return end, if not, next step carried out;
84) setting one is higher than the second file frequency of utilization threshold value of the said first file frequency of utilization threshold value, returns execution in step 82), until working as the front disk usage space less than finishing cleaning threshold.
9. method as claimed in claim 7 is characterized in that, when said preset rule is the combination of file frequency of utilization, File Privilege and file size, said method comprising the steps of:
91) one first file frequency of utilization threshold value is set;
92) All Files less than the said first file frequency of utilization threshold value is satisfied in cleaning;
93) whether work as the front disk usage space less than said end cleaning threshold after the judgement cleaning, if, return end, if not, next step carried out;
94) further screen, one first File Privilege threshold value is set according to File Privilege;
95) cleaning satisfy All Files less than the said first File Privilege threshold value '
96) whether work as the front disk usage space less than said end cleaning threshold after the judgement cleaning, if, return end, if not, next step carried out;
97) further screen, one first file size threshold value is set according to file size;
98) All Files greater than the said first file size threshold value is satisfied in cleaning;
99) whether work as the front disk usage space less than said end cleaning threshold after the judgement cleaning; If; Return end, if not, second a file size threshold value greater than above-mentioned first file size then further is set; Continue cleaning and satisfy All Files, until till the front disk usage space is less than said end cleaning threshold greater than the said second file threshold value.
10. method as claimed in claim 6 is characterized in that, said method further comprises:
101) condition of selection screening file from preset rule;
102) according to selected condition setting one first threshold;
103) judge after the cleaning when the front disk usage space whether less than said end cleaning threshold, if, execution in step 101; If not; Carry out next step, after judging cleaning according to screening conditions when front disk usage space during less than said end cleaning threshold, execution in step 105);
104) All Files less than said threshold value is satisfied in cleaning, returns step 102);
105) return end.
11. method as claimed in claim 10 is characterized in that, when said screening conditions were the file frequency of utilization, said method comprised:
111) one first file frequency of utilization threshold value is set;
112) judge cleaning accomplish after when the usage space of front disk whether less than said end cleaning threshold, if, carry out next step, if not, carry out 114);
113) setting one is lower than the second frequency of utilization threshold value of above-mentioned last frequency of utilization threshold value, returns execution in step 112);
114) All Files less than said threshold value is satisfied in cleaning;
115) setting one is higher than the 3rd frequency of utilization threshold value of above-mentioned last frequency of utilization threshold value;
Whether the usage space of working as front disk after 116) the judgement cleaning is accomplished is less than said end cleaning threshold; If; Return end, if not, after continuing to clear up the All Files that satisfies less than said the 3rd frequency of utilization threshold value; Setting one is higher than the 4th frequency of utilization threshold value of the 3rd frequency of utilization threshold value, repeats 116) to till the front disk usage space is less than said end cleaning threshold.
12. method as claimed in claim 10 is characterized in that, when said preset rule is the combination of file frequency of utilization, File Privilege and file size, said method comprising the steps of:
121) one first file frequency threshold is set;
122) whether usage space was less than said end cleaning threshold, if carry out 134 after above-mentioned file was cleared up in judgement), if not, next step then carried out;
123) All Files less than this first threshold is satisfied in cleaning, returns step 122);
124) further screen, one first File Privilege threshold value is set according to File Privilege;
125) judge the above-mentioned file of cleaning after usage space whether less than said end cleaning threshold, if, execution in step 127), if not, then carry out next step;
126) All Files less than this first File Privilege threshold value is satisfied in cleaning, returns step 125);
127) further screen, one first file size threshold value is set according to file size;
128) whether usage space was less than said end cleaning threshold after above-mentioned file was cleared up in judgement; If; Carry out next step, if not, second a file size threshold value greater than the above-mentioned first file size threshold value then further is set; Continue execution in step 128), until till the front disk usage space is less than said end cleaning threshold;
129) All Files greater than this first file size threshold value is satisfied in cleaning;
130) return end.
13., it is characterized in that said preset cleaning threshold is more than or equal to said end cleaning threshold like the arbitrary described method of claim 1-12.
14. method as claimed in claim 13 is characterized in that, said preset cleaning threshold is that said end cleaning threshold is when 60% of the memory capacity of front disk when 80% of the memory capacity of front disk.
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