CN105187564A - Method for breakpoint resuming of mobile phone side file - Google Patents
Method for breakpoint resuming of mobile phone side file Download PDFInfo
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- CN105187564A CN105187564A CN201510660934.2A CN201510660934A CN105187564A CN 105187564 A CN105187564 A CN 105187564A CN 201510660934 A CN201510660934 A CN 201510660934A CN 105187564 A CN105187564 A CN 105187564A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
The invention discloses a method for file breakpoint resuming of a mobile phone side, and relates to the technical field of file transmission of a mobile phone side. According to the method, a file to be transmitted is divided into a plurality of basic units, when an interruption occurs in a process of transmitting the file, the basic unit with the smallest serial number in an uncompleted state can serve as a starting point, and the basic units in uncompleted states are transmitted till transmission is completed. Through use of the basic units and setting of the serial numbers, names, server address, local caching address, local caching address, download states and file block size of the basic units, security and efficiency of transmission can be improved.
Description
Technical field
The present invention relates to mobile phone terminal file transfer technology field, particularly relate to a kind of method of mobile phone terminal document breakpoint transmission.
Background technology
Mobile phone terminal download or upload file process in, when mobile phone terminal occurs network failure, interrupted by incoming call, in the situation such as mobile phone electricity is not enough, in order to the speed downloaded or upload next time can be improved, the function of breakpoint transmission generally can be utilized to continue to download or upload file from breakpoint.
Wherein, the principle of mobile phone terminal breakpoint transmission is: in download or when uploading, by download or to upload task (file or a compressed package) man-made division be a few part, each part adopts a thread to carry out uploading or downloading, if encounter network failure etc. when making download or upload disconnection, next time can continue to upload the part that download does not complete from uploading or download the part of disconnection, and need not start anew to upload or download.Thus the time of user can be saved, raise the efficiency.
At present, in mobile phone terminal breakpoint transmission technology, when carrying out man-made division to a file, be generally be 8-10 blocks of files by Divide File, then according to the size of whole file, determine the size of each blocks of files, when whole Documents Comparison hour, each Documents Comparison obtained after division is little, then when uploading multiple less file or download, speed can than comparatively fast, and systematic function is higher; And when whole Documents Comparison is large, each Documents Comparison obtained after division is large, then when uploading multiple larger file or download, speed can be slow, and systematic function also can be lower, and the phenomenon that file transfer card pauses often appears in mobile phone terminal.
Summary of the invention
The object of the present invention is to provide a kind of method of mobile phone terminal document breakpoint transmission, thus solve the foregoing problems existed in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
A method for mobile phone terminal document breakpoint transmission, comprises the steps:
S1, judges whether the elementary cell being in unfinished state, if had, then jumps to S2, otherwise, jump to S3;
S2, obtaining and is in the minimum elementary cell of the numbering of unfinished state, and with this elementary cell for starting point, transmit the elementary cell being in unfinished state, after each elementary cell is transmitted, by its status modifier for completing, and jumping to S4;
S3 take file header as starting point, is become by Divide File multiple elementary cell to transmit, and after each elementary cell is transmitted, by its status modifier for completing, and jumps to S4;
S4, is combined into complete file by the elementary cell be transmitted according to number order, judges that whether this file is consistent with file size waiting for transmission, if unanimously, is then transmitted, otherwise, jump to S1.
Further, described elementary cell also comprises title, place server address, local cache address, download state and blocks of files size.
Preferably, the size of described blocks of files is 2M.
Preferably, S1 is specially:
S101, mobile phone terminal connection server, obtains the size of file to be transmitted;
S102, inquires about whether documentary elementary cell, if had, then jumps to S2 from local data base; Otherwise, jump to S3.
Preferably, in S2 and S3, adopt multi-thread transmission to elementary cell, each described elementary cell adopts a thread transmission.
Preferably, described employing multi-thread transmission, is specially, and starts 3 thread transmission simultaneously.
Preferably, each thread setting free time and busy two states, the thread starting idle condition carries out the transmission of described elementary cell, and the idle condition of thread is revised as busy condition, after being transmitted, the busy condition of thread is revised as idle condition.
Preferably, after the transformation task that thread is responsible for completes, judge whether whole file is transmitted, if so, then terminate, otherwise the thread calling idle condition carries out the transmission of next elementary cell.
The invention has the beneficial effects as follows: the method for the mobile phone terminal document breakpoint transmission that the embodiment of the present invention provides, by being multiple elementary cell by Divide File waiting for transmission, when occurring in transfer files process interrupting, elementary cell that can be minimum according to the numbering being in unfinished state is starting point, the elementary cell being in unfinished state is transmitted, until complete, by using elementary cell and arranging the numbering of elementary cell, title, place server address, local cache address, download state and blocks of files size, fail safe and the efficiency of transmission can be improved:
1, use numbering can judge whether blocks of files lacks, simultaneously can carry out quicksort to the blocks of files of buffer memory according to reference number of a document and store;
2, each blocks of files size is fixed, and can judge whether have loss of data in transmitting procedure, and revise the attribute of download state according to the size of blocks of files;
3, judge that file is got and the position of depositing according to file name, place server address, local cache address, can be very fast complete getting and depositing of file, and ensure accuracy.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram of the mobile phone terminal document breakpoint transmission that the embodiment of the present invention provides;
Fig. 2 is the mobile phone terminal file download breakpoint transmission schematic flow sheet that the embodiment of the present invention one provides;
Fig. 3 is the mobile phone terminal file download thread process schematic flow sheet that the embodiment of the present invention one provides;
Fig. 4 is the mobile phone terminal files passe breakpoint transmission schematic flow sheet that the embodiment of the present invention two provides;
Fig. 5 is the mobile phone terminal files passe thread process schematic flow sheet that the embodiment of the present invention two provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, embodiments provide a kind of method of mobile phone terminal document breakpoint transmission, comprise the steps:
S1, judges whether the elementary cell being in unfinished state, if had, then jumps to S2, otherwise, jump to S3;
S2, obtaining and is in the minimum elementary cell of the numbering of unfinished state, and with this elementary cell for starting point, transmit the elementary cell being in unfinished state, after each elementary cell is transmitted, by its status modifier for completing, and jumping to S4;
S3 take file header as starting point, is become by Divide File multiple elementary cell to transmit, and after each elementary cell is transmitted, by its status modifier for completing, and jumps to S4;
S4, is combined into complete file by the elementary cell be transmitted according to number order, judges that whether this file is consistent with file size waiting for transmission, if unanimously, is then transmitted, otherwise, jump to S1.
Wherein, described elementary cell also comprises title, place server address, local cache address, download state and blocks of files size.
In the embodiment of the present invention, by using elementary cell and arranging the numbering of elementary cell, title, place server address, local cache address, download state and blocks of files size, fail safe and the efficiency of transmission can be improved:
1, use numbering can judge whether blocks of files lacks, simultaneously can carry out quicksort to the blocks of files of buffer memory according to reference number of a document and store;
2, each blocks of files size is fixed, and can judge whether have loss of data in transmitting procedure, and revise the attribute of download state according to the size of blocks of files;
3, judge that file is got and the position of depositing according to file name, place server address, local cache address, can be very fast complete getting and depositing of file, and ensure accuracy.
In the embodiment of the present invention, the size of described blocks of files is 2M.
Through test, find the size of blocks of files to be set to 2M, transmission speed and the accuracy rate of whole file can be improved.
In the embodiment of the present invention, S1 is specially:
S101, mobile phone terminal connection server, obtains the size of file to be transmitted;
S102, inquires about whether documentary elementary cell, if had, then jumps to S2 from local data base; Otherwise, jump to S3.
In the embodiment of the present invention, in S2 and S3, adopt multi-thread transmission to elementary cell, each described elementary cell adopts a thread transmission.
In the embodiment of the present invention, described employing multi-thread transmission, is specially, and starts 3 thread transmission simultaneously.
Start the quantity of thread by regulation simultaneously, the size of the blocks of files simultaneously transmitted can be controlled, and can not owing to starting too much thread simultaneously, make the file that simultaneously transmits excessive, affect the transmission speed of file.
In the embodiment of the present invention, regulation starts 3 threads simultaneously, and each thread is responsible for the information of a transmission elementary cell at every turn, and the transmission speed of whole file can be made to reach the fastest.
In the embodiment of the present invention, each thread setting free time and busy two states, the thread starting idle condition carries out the transmission of described elementary cell, and the idle condition of thread is revised as busy condition, after being transmitted, the busy condition of thread is revised as idle condition.
By setting two kinds of different states to each thread, the transmission situation of file can be learned, to arrange the transmission of multiple elementary cell, meanwhile, be conducive to system calling line layer, improve the transmission rate of each thread to file.
Meanwhile, threads different according to the rules, also can make the completion status of the clear and definite file transfer of system.
In the embodiment of the present invention, after the transformation task that thread is responsible for completes, judge whether whole file is transmitted, if so, then terminate, otherwise the thread calling idle condition carries out the transmission of next elementary cell.
Embodiment one
As shown in Figures 2 and 3, the method for the breakpoint transmission of mobile phone terminal download file is embodiments provided.The implementation procedure of the method is:
Mobile phone terminal connection server obtains the size of download file, by the numbering in home server inquiry file elementary cell, judges whether this file is in unfinished state.If be in unfinished state, then with the minimum elementary cell of the numbering being in unfinished state recorded in local data base for starting point divides file, and multithreading download is carried out to the elementary cell divided; If there is no the file of unfinished state, then first divide whole file, then starts multithreading and download.
Wherein, Divide File can in the following way: divided using 2M size as one " elementary cell " by whole file, " elementary cell " includes " blocks of files ", further comprises elementary cell numbering, file name, file place server address, local cache address, download state six parts of basic information.
Multithreading is downloaded: start 3 threads simultaneously, each thread setting " free time " and " busy " two states, each thread is responsible for the download of a file " elementary cell ", by the information of file " elementary cell " stored in database, after download completes, this segment file itself is cached to this locality, and the download state of " elementary cell " information in database is changed into " completing ", thread state changes into " free time " simultaneously.
Idle thread process: after the task that thread is responsible for completes, judge whether whole file has been downloaded, if do not complete, call the download that the free time carries out the next one " elementary cell ".
Breakpoint process: when occurring downloading interruption, download thread stops, the elementary cell information downloaded will be preserved in the local database, next time can read when downloading from database, finds download state to be " not completing " and number minimum " elementary cell " to re-start multithreading download with the starting point that is numbered of this elementary cell.
Complete the process after file download: read the file " elementary cell " of local cache according to numbering after being completed by whole file download and be combined into a complete file, after completing, removing local buffer memory and data-base content.
Embodiment two
As shown in Figures 4 and 5, the method for the breakpoint transmission of mobile phone terminal upload file is embodiments provided.The implementation procedure of the method is:
Mobile phone terminal chooses the file that will upload from this locality, send request to service end, inquiry local data base, judges whether the upload file record being in unfinished state, if having, then obtain the elementary cell that the numbering of unfinished state is minimum, and from the elementary cell of this lowest number, carry out uploading of the file of unfinished state, if no record, then first multiple elementary cell is become to whole Divide File, then start multithreading and start to upload.
Wherein, Divide File can in the following way: by file using 2M size as one " elementary cell ", " elementary cell " includes
" blocks of files ", further comprises file block number, the full name of file, file place server address, file place client address, uploads state six parts of basic information, in the database of first file size being uploaded onto the server before uploading.
Multithreading is uploaded: start 3 threads simultaneously, each thread setting " free time " and " busy " two states, each thread is responsible for uploading of file " elementary cell ", the information of file " elementary cell " is uploaded to database, server is by file content buffer memory, a client thread completes the state of uploading uploading " elementary cell " information in rear amendment server database and changes into " completing ", and client thread state changes " free time " simultaneously.
Idle thread process: after the task that thread is responsible for completes, judge whether whole file has been uploaded, if do not complete, call the free time and carry out uploading of the next one " elementary cell ".
Breakpoint process: when occurring uploading interruption, upload thread to stop, the elementary cell information uploaded will be kept in server database, can read from database time next time uploads, find the state of uploading for " not completing " and minimum " elementary cell " of file block number is carried out multithreading upload with the starting point that is numbered of this elementary cell.
Complete the process after files passe: service end judges that the file size uploaded is consistent with the file size stored in database before, and whole file download completes, the file of server end buffer memory is combined into soon a complete file according to numbering, content in cleaning service end database.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows: the method for the mobile phone terminal document breakpoint transmission that the embodiment of the present invention provides, by being multiple elementary cell by Divide File waiting for transmission, when occurring in transfer files process interrupting, can be starting point according to the minimum volume of the elementary cell being in unfinished state, the elementary cell being in unfinished state is transmitted, until complete, by arranging the numbering of elementary cell, title, place server address, local cache address, download state and blocks of files size, fail safe and the efficiency of transmission can be improved, be mainly manifested in:
1, use numbering can judge whether blocks of files lacks, simultaneously can carry out quicksort to the blocks of files of buffer memory according to reference number of a document and store;
2, each blocks of files size is fixed, and can judge whether have loss of data in transmitting procedure, and revise the attribute of download state according to the size of blocks of files;
3, judge that file is got and the position of depositing according to file name, place server address, local cache address, can be very fast complete getting and depositing of file, and ensure accuracy.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art it should be understood that the sequential of the method step that above-described embodiment provides can carry out accommodation according to actual conditions, also can carry out according to actual conditions are concurrent.
The hardware that all or part of step in the method that above-described embodiment relates to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, such as: personal computer, server, the network equipment, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, such as: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment comprising described key element and also there is other identical element.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (8)
1. a method for mobile phone terminal document breakpoint transmission, is characterized in that, comprises the steps:
S1, judges whether the elementary cell being in unfinished state, if had, then jumps to S2, otherwise, jump to S3;
S2, obtaining and is in the minimum elementary cell of the numbering of unfinished state, and with this elementary cell for starting point, transmit the elementary cell being in unfinished state, after each elementary cell is transmitted, by its status modifier for completing, and jumping to S4;
S3 take file header as starting point, is become by Divide File multiple elementary cell to transmit, and after each elementary cell is transmitted, by its status modifier for completing, and jumps to S4;
S4, is combined into complete file by the elementary cell be transmitted according to number order, judges that whether this file is consistent with file size waiting for transmission, if unanimously, is then transmitted, otherwise, jump to S1.
2. the method for mobile phone terminal document breakpoint transmission according to claim 1, is characterized in that, described elementary cell also comprises title, place server address, local cache address, download state and blocks of files size.
3. the method for mobile phone terminal document breakpoint transmission according to claim 2, is characterized in that, the size of described blocks of files is 2M.
4. the method for mobile phone terminal document breakpoint transmission according to claim 1, it is characterized in that, S1 is specially:
S101, mobile phone terminal connection server, obtains the size of file to be transmitted;
S102, inquires about whether documentary elementary cell, if had, then jumps to S2 from local data base; Otherwise, jump to S3.
5. the method for mobile phone terminal document breakpoint transmission according to claim 1, is characterized in that, in S2 and S3, adopts multi-thread transmission to elementary cell, and each described elementary cell adopts a thread transmission.
6. the method for mobile phone terminal document breakpoint transmission according to claim 5, is characterized in that, described employing multi-thread transmission, is specially, and starts 3 thread transmission simultaneously.
7. the method for the mobile phone terminal document breakpoint transmission according to claim 5 or 6, it is characterized in that, each thread setting free time and busy two states, the thread starting idle condition carries out the transmission of described elementary cell, and the idle condition of thread is revised as busy condition, after being transmitted, the busy condition of thread is revised as idle condition.
8. the method for mobile phone terminal document breakpoint transmission according to claim 7, is characterized in that, after the transformation task that thread is responsible for completes, judge whether whole file is transmitted, if so, then terminate, otherwise the thread calling idle condition carries out the transmission of next elementary cell.
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| CN106445665A (en) * | 2016-09-19 | 2017-02-22 | 武汉斗鱼网络科技有限公司 | Method and tool for system file downloading applied to android system |
| CN108566417A (en) * | 2018-03-22 | 2018-09-21 | 四川长虹电器股份有限公司 | A kind of multithread breakpoint continued transmission download system based on android system and method |
| CN110928863A (en) * | 2019-11-20 | 2020-03-27 | 无锡识凌科技有限公司 | Method for task breakpoint resume applied to data cleaning tool |
| CN110933159A (en) * | 2019-11-27 | 2020-03-27 | 中电装备山东电子有限公司 | File transmission method and system supporting breakpoint continuous transmission |
| CN111193777A (en) * | 2019-12-13 | 2020-05-22 | 佛山欧神诺云商科技有限公司 | File downloading method and device based on breakpoint continuous transmission and storage medium |
| CN111432008A (en) * | 2020-03-30 | 2020-07-17 | 中科九度(北京)空间信息技术有限责任公司 | Breakpoint multi-source continuous transmission data transmission method |
| CN111930696A (en) * | 2020-07-22 | 2020-11-13 | 中国建设银行股份有限公司 | File transmission processing method and system based on small program |
| CN112073385A (en) * | 2020-08-17 | 2020-12-11 | 浙江鸿城科技有限责任公司 | Protocol format quick coding method based on reference cache multi-state construction |
| CN113064857A (en) * | 2021-03-17 | 2021-07-02 | 歌尔科技有限公司 | File transmission control method, equipment and medium |
| CN114884937A (en) * | 2022-05-27 | 2022-08-09 | 宁夏中宁县京能新能源有限公司 | Data breakpoint continuous transmission method of new energy centralized control system |
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| CN111930696A (en) * | 2020-07-22 | 2020-11-13 | 中国建设银行股份有限公司 | File transmission processing method and system based on small program |
| CN112073385A (en) * | 2020-08-17 | 2020-12-11 | 浙江鸿城科技有限责任公司 | Protocol format quick coding method based on reference cache multi-state construction |
| CN113064857A (en) * | 2021-03-17 | 2021-07-02 | 歌尔科技有限公司 | File transmission control method, equipment and medium |
| CN114884937A (en) * | 2022-05-27 | 2022-08-09 | 宁夏中宁县京能新能源有限公司 | Data breakpoint continuous transmission method of new energy centralized control system |
| CN114884937B (en) * | 2022-05-27 | 2024-01-09 | 宁夏中宁县京能新能源有限公司 | New energy centralized control system data breakpoint continuous transmission method |
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