CN104935650A - File transmission method, system and method - Google Patents
File transmission method, system and method Download PDFInfo
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- CN104935650A CN104935650A CN201510298914.5A CN201510298914A CN104935650A CN 104935650 A CN104935650 A CN 104935650A CN 201510298914 A CN201510298914 A CN 201510298914A CN 104935650 A CN104935650 A CN 104935650A
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- data block
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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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- Information Transfer Between Computers (AREA)
Abstract
The embodiments of the invention disclose a file transmission method. The method comprises the following steps: receiving file information of a file to be transmitted, wherein the file information comprises a file length; according to the file length, creating a plurality of data block information for the file to be transmitted; receiving a data block information obtaining request; feeding the data block information in response to the data block information obtaining request; and receiving data blocks for the data block information. According to the embodiments of the invention, a file is segmented into the data blocks for transmission through creating the data block information. Furthermore, the data blocks can be transmitted through different transmitting ends so that the transmission rate is improved.
Description
Technical field
The embodiment of the present application relates to data transfer of computer technical field, particularly relates to a kind of document transmission method system and device.
Background technology
Along with the development of computer technology and network technology, carry out file transfer by network more and more general.
But during existing files passe, transmission process needs the transmission state preserving file, therefore, the transmission state of this file just cannot be obtained by other processes, when obtaining the transmission state of file, other processes cannot continue and upload, or again upload.Therefore, file can only be carried out the transmission of file by a transmission end and receiving terminal, affect transmission rate.This problem admire in class system even more serious.Admiring class, is a kind of online course development mode recently emerged, and it develops in that issue resource in past, learning management system and the new curriculum development model that learning management system and more open network resource comprehensive got up.
In view of this, be necessary to provide a kind of new document transmission method, system and device to improve file transfer rate in fact.
Summary of the invention
The embodiment of the present application provides a kind of document transmission method, system and device, for being transmitted by different transmission end, to improve transmission rate.
For solving the problems of the technologies described above, the embodiment of the present application provides:
A kind of document transmission method, comprising:
Receiving terminal receives the fileinfo of file to be transmitted, and described fileinfo comprises file size;
Receiving terminal is according to described file size for the some data block information of document creation to be transmitted, and described data block information comprises data original position, data rest position and status indicator;
Transmission end sends data block information to receiving terminal and obtains request;
Receiving terminal receives described data block information and obtains request;
Receiving terminal obtains request for described data block information, is that untreated data block information sends to transmission end by status indicator;
It is untreated data block information that transmission end obtains described status indicator;
Transmission end is that in untreated data block information, data original position and data rest position transmit file to be transmitted according to described status indicator.
A kind of document transmission method, comprising:
Receive the fileinfo of file to be transmitted, described fileinfo comprises file size;
According to described file size for the some data block information of document creation to be transmitted;
Receive data block information and obtain request;
Obtain request for described data block information, feed back described data block information;
Receive the data block for described data block information.
Further, described data block information at least comprises status indicator, and the described data block information of described feedback, specifically comprises:
Feedback states is designated untreated data block information.
Further, described method also comprises:
Obtain the data block authorization information for described data block;
According to described data block authorization information, described data block is verified;
If be verified, the status indicator of described data block information is set to processed.
Further, described fileinfo also comprises file verification information, and described method also comprises:
When the status indicator of all data block information is all set to processed, the data original position of all data blocks by corresponding data block message is spliced, obtain and receive file;
According to described file verification information, described reception file is verified.
A kind of document transmission system, comprising:
Receiving terminal, for receiving the fileinfo of file to be transmitted, described fileinfo comprises file size; And according to described file size for the some data block information of document creation to be transmitted, described data block information comprises data original position, data rest position and status indicator;
Transmission end, obtains request for sending data block information to described receiving terminal;
Wherein, described receiving terminal concrete also for, receive described data block information and obtain request; And obtain request for described data block information, be that untreated data block information sends to transmission end by status indicator;
Described transmission end concrete also for, obtaining described status indicator is untreated data block information; And be that in untreated data block information, data original position and data rest position transmit file to be transmitted according to described status indicator.
A kind of file transfer means, comprising:
First receiver module, for receiving the fileinfo of file to be transmitted, described fileinfo comprises file size;
Creation module, for according to described file size for the some data block information of document creation to be transmitted;
Second receiver module, obtains request for receiving data block information;
Request processing module, for obtaining request for described data block information, feeds back described data block information;
3rd receiver module, for receiving the data block for described data block information.
Further, described data block information at least comprises status indicator, described request processing module specifically for, feedback states is designated untreated data block information.
Further, described device also comprises:
First acquisition module, for obtaining the data block authorization information for described data block;
First authentication module, for verifying described data block according to described data block authorization information; If be verified, the status indicator of described data block information is set to processed.
Further, described fileinfo also comprises file verification information, and described device also comprises:
Concatenation module, is all set to processed for the status indicator when all data block information, the data original position of all data blocks by corresponding data block message is spliced, and obtains and receives file;
Second authentication module, for verifying described reception file according to described file verification information.
Compared with prior art, the embodiment of the present application has following beneficial effect: the embodiment of the present application is passed through to create data block information, to realize file division to become transmission of data blocks.Further, described data block can be transmitted by different transmission end, to improve transmission rate.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present application, form the part of the embodiment of the present application, the schematic application embodiment of the embodiment of the present application and explanation thereof, for explaining the embodiment of the present application, do not form the improper restriction to the embodiment of the present application.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the document transmission method that the application one embodiment provides;
Fig. 2 is the schematic flow sheet of the document transmission method that another embodiment of the application provides;
Fig. 3 is the system construction drawing of the document transmission system that the application one embodiment provides;
Fig. 4 is the configuration diagram of the file transfer means that the application one embodiment provides.
Embodiment
For making the object of the embodiment of the present application, technical scheme and advantage clearly, specifically apply for that embodiment and corresponding accompanying drawing are clearly and completely described the embodiment of the present application technical scheme below in conjunction with the embodiment of the present application.Obviously, described application embodiment is only the embodiment of the present application part application embodiment, instead of whole application embodiments.Based on the application embodiment in the embodiment of the present application, those of ordinary skill in the art are not making the every other application embodiment obtained under creative work prerequisite, all belong to the scope of the embodiment of the present application protection.
Fig. 1 is the schematic flow sheet of the document transmission method that the application one embodiment provides.
Described document transmission method specifically can comprise the following steps:
S101: receiving terminal sends the information acquisition request for file to be transmitted to transmission end.
S102: transmission end receives described information acquisition request, and the fileinfo determining described file to be transmitted for described information acquisition request, and described fileinfo is sent to receiving terminal.Described fileinfo can comprise file name, file size and/or file verification information.In the present embodiment, file verification information is file MD5 (Message Digest Algorithm 5, Message Digest Algorithm5) authorization information.
S103: receiving terminal receives described fileinfo.
S104: receiving terminal creates data block information list.
In a kind of embodiment, before receiving terminal creates data block information list, whether receiving terminal has this file by file verification Information Authentication receiving terminal, if not this file, then creates data block information list.
In another kind of embodiment, after receiving terminal receives file, whether authenticating documents is complete, if imperfect, receiving terminal determines that whether Already in the data block do not transmitted also verifies the data block receiving terminal do not transmitted, if not, then create data block information list.In this kind of embodiment, the fileinfo of described file to be transmitted can correspond to the data block information of the data block do not transmitted.
S105: receiving terminal creates some data block information according to described file size and described data block information is stored to described data block information list.Described data block information comprises data original position, data rest position and status indicator.
In a kind of embodiment, obtain when described data original position and data rest position are created by data block information.
In another kind of embodiment, obtain when described data original position is created by data block information; Described data rest position is determined by data original position and data length.
In another kind of embodiment, if described file video file, the timestamp according to video file creates data block information.
S106: transmission end sends data block information to receiving terminal and obtains request.
S107: receiving terminal receives described data block information and obtains request.
S108: receiving terminal obtains request for described data block information, is that untreated data block information sends to transmission end by status indicator.
S109: it is untreated data block information that transmission end obtains described status indicator.
S110: transmission end is that in untreated data block information, data original position and data rest position transmit file to be transmitted according to described status indicator.
S111: transmission end sends the data block authorization information for described data block to receiving terminal.
S112: receiving terminal receives described data block authorization information.
In a kind of embodiment, transmission end is transmission data block and the data block authorization information corresponding to data block simultaneously.
In another kind of embodiment, transmission end is transmission data block and the data block authorization information corresponding to data block successively.
S113: receiving terminal is verified described data block according to described data block authorization information.
S114: if be verified, the status indicator of described data block information is set to processed by receiving terminal.
S115: when the status indicator of all data block information is all set to processed, splices the data original position of all data blocks by corresponding data block message, obtains and receives file.
In a kind of fact Example, if be verified, by position corresponding for the data writing in files information of data block, after namely each data block completes transmission and checking, data block is pressed the position that corresponding data block message writing in files information is corresponding.
In another kind of embodiment, when the status indicator of all data block information is all set to processed, after namely all data blocks complete transmission and checking, the data original position of all data blocks by corresponding data block message is spliced, obtain and receive file.
S116: described reception file is verified according to described file verification information.
Step S106, to step S114, can be undertaken alternately by different transmission ends and same receiving terminal, also repeatedly can be carried out alternately with same receiving terminal by same or different transmission ends.
In a kind of embodiment, described data block information is stored in data block information list.Receiving terminal obtains according to data block information asks feedback states to be successively designated untreated data block information.Transmission end A sends data block information to receiving terminal and obtains request, receiving terminal receives this request and finds in data block information list that to be arranged in primary status indicator be untreated data block information, and is set to distribute by the status indicator of this data block information.After being verified the data block for data block information, status indicator is set to processed.Transmission end B sends data block information to receiving terminal and obtains request, receiving terminal receives this request and finds in data block information list that to be arranged in primary status indicator be untreated data block information, and is set to distribute by the status indicator of this data block information.After being verified the data block for data block information, status indicator is set to processed.The like, transmission end A and transmission end B, after transmission of data blocks completes, again can carry out data block information and obtain request.Preceding method can avoid same data block information processed twice, and wastes resource.
In another kind of embodiment, described data block information is stored in data block information list.Receiving terminal obtains according to data block information asks feedback states to be successively designated untreated data block information.Transmission end A sends data block information to receiving terminal and obtains request, receiving terminal receives this request and finds in data block information list that to be arranged in primary status indicator be untreated data block information, and this data block information is moved to the end of data block information list.After being verified the data block for data block information, status indicator is set to processed.Transmission end B sends data block information to receiving terminal and obtains request, receiving terminal receives this request and finds in data block information list that to be arranged in primary status indicator be untreated data block information, and this data block information is moved to the end of data block information list.After being verified the data block for data block information, status indicator is set to processed.The like, transmission end A and transmission end B, after transmission of data blocks completes, again can carry out data block information and obtain request.Preceding method can avoid same data block information processed twice, and wastes resource.
In another kind of embodiment, receiving terminal first obtains the quantity of the transmission end that can be attached thereto and the communications status of each transmission end; Be that untreated data block information is divided into groups according to aforementioned information again by status indicator, and be sent to each transmission end respectively.Specific embodiment one, transmission end A and transmission end B can carry out with receiving terminal.The communications status of described transmission end A and transmission end B is good.Status indicator is that untreated data block information is equally divided into two groups by receiving terminal, is sent to transmission end A and transmission end B respectively.Specific embodiment two, transmission end A, transmission end B, transmission end C and transmission end D can carry out with receiving terminal.Well, transmission end B communications status is poor for transmission end A, transmission end B and transmission end C communications status.Status indicator is that untreated data block information is equally divided into three groups by receiving terminal, is sent to transmission end A, transmission end B and transmission end C respectively.In the preferred embodiment, when mistake appears in transmission of data blocks, data block information corresponding for this data block is sent to transmission end D.Preceding method can reduce interaction times between transmission ends and receiving terminal and data.
The embodiment of the present application is passed through to create data block information, to realize file division to become transmission of data blocks.Further, described data block can be transmitted by different transmission end, to improve transmission rate.
Fig. 2 is the schematic flow sheet of the document transmission method that another embodiment of the application provides.
Described document transmission method specifically can comprise the following steps:
S201: the fileinfo receiving file to be transmitted, described fileinfo comprises file size.
In the present embodiment, executive agent is file transfer means, described file transfer means correspondence and the receiving terminal in said method.
S202: according to described file size for the some data block information of document creation to be transmitted.
S203: receive data block information and obtain request.
S204: obtain request for described data block information, feed back described data block information.
S205: receive the data block for described data block information.
Further, described data block information at least comprises status indicator, and the described data block information of described feedback, specifically comprises:
Feedback states is designated untreated data block information.
Further, described method also comprises:
Obtain the data block authorization information for described data block;
According to described data block authorization information, described data block is verified;
If be verified, the status indicator of described data block information is set to processed.
Further, described fileinfo also comprises file verification information, and described method also comprises:
When the status indicator of all data block information is all set to processed, the data original position of all data blocks by corresponding data block message is spliced, obtain and receive file;
According to described file verification information, described reception file is verified.
Be more than the detailed introduction of document transmission method, below with reference to Fig. 3 and Fig. 4, document transmission system and file transfer means be introduced.
Fig. 3 is the system construction drawing of the document transmission system that the application one embodiment provides.
Described document transmission system specifically can comprise:
Receiving terminal 100, for receiving the fileinfo of file to be transmitted, described fileinfo comprises file size; And according to described file size for the some data block information of document creation to be transmitted, described data block information comprises data original position, data rest position and status indicator;
Transmission end 200, obtains request for sending data block information to described receiving terminal;
Wherein, described receiving terminal 100 concrete also for, receive described data block information and obtain request; And obtain request for described data block information, be that untreated data block information sends to transmission end 200 by status indicator;
Described transmission end 200 concrete also for, obtaining described status indicator is untreated data block information; And be that in untreated data block information, data original position and data rest position transmit file to be transmitted according to described status indicator.
Fig. 4 is the configuration diagram of the file transfer means that the application one embodiment provides.
Described file transfer means specifically can comprise:
First receiver module 101, for receiving the fileinfo of file to be transmitted, described fileinfo comprises file size;
Creation module 102, for according to described file size for the some data block information of document creation to be transmitted;
Second receiver module 103, obtains request for receiving data block information;
Request processing module 104, for obtaining request for described data block information, feeds back described data block information;
3rd receiver module 105, for receiving the data block for described data block information.
Further, described data block information at least comprises status indicator, described request processing module 104 specifically for, feedback states is designated untreated data block information.
Further, described device also comprises:
First acquisition module 106, for obtaining the data block authorization information for described data block;
First authentication module 107, for verifying described data block according to described data block authorization information; If be verified, the status indicator of described data block information is set to processed.
Further, described fileinfo also comprises file verification information, and described device also comprises:
Concatenation module 108, is all set to processed for the status indicator when all data block information, the data original position of all data blocks by corresponding data block message is spliced, and obtains and receives file;
Second authentication module 109, for verifying described reception file according to described file verification information.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
In one typically configuration, computing equipment comprises one or more processor (CPU), input/output interface, network interface and internal memory.
Internal memory may comprise the volatile memory in computer-readable medium, and the forms such as random access memory (RAM) and/or Nonvolatile memory, as read-only memory (ROM) or flash memory (flashRAM).Internal memory is the example of computer-readable medium.
Computer-readable medium comprises permanent and impermanency, removable and non-removable media can be stored to realize information by any method or technology.Information can be computer-readable instruction, data structure, the module of program or other data.The example of the storage medium of computer comprises, but be not limited to phase transition internal memory (PRAM), static RAM (SRAM), dynamic random access memory (DRAM), the random access memory (RAM) of other types, read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassette tape, tape magnetic rigid disk stores or other magnetic storage apparatus or any other non-transmitting medium, can be used for storing the information can accessed by computing equipment.According to defining herein, computer-readable medium does not comprise temporary computer readable media (transitory media), as data-signal and the carrier wave of modulation.
Also it should be noted that, 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, product 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, product or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, product or the equipment comprising described key element and also there is other identical element.
It will be understood by those skilled in the art that the embodiment of the application can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The foregoing is only the embodiment of the application, be not limited to the application.To those skilled in the art, the application can have various modifications and variations.Any amendment done within all spirit in the application and principle, equivalent replacement, improvement etc., within the right that all should be included in the application.
Claims (10)
1. a document transmission method, is characterized in that, comprising:
Receiving terminal receives the fileinfo of file to be transmitted, and described fileinfo comprises file size;
Receiving terminal is according to described file size for the some data block information of document creation to be transmitted, and described data block information comprises data original position, data rest position and status indicator;
Transmission end sends data block information to receiving terminal and obtains request;
Receiving terminal receives described data block information and obtains request;
Receiving terminal obtains request for described data block information, is that untreated data block information sends to transmission end by status indicator;
It is untreated data block information that transmission end obtains described status indicator;
Transmission end is that in untreated data block information, data original position and data rest position transmit file to be transmitted according to described status indicator.
2. a document transmission method, is characterized in that, comprising:
Receive the fileinfo of file to be transmitted, described fileinfo comprises file size;
According to described file size for the some data block information of document creation to be transmitted;
Receive data block information and obtain request;
Obtain request for described data block information, feed back described data block information;
Receive the data block for described data block information.
3. method as claimed in claim 2, it is characterized in that, described data block information at least comprises status indicator, and the described data block information of described feedback, specifically comprises:
Feedback states is designated untreated data block information.
4. method as claimed in claim 3, it is characterized in that, described method also comprises:
Obtain the data block authorization information for described data block;
According to described data block authorization information, described data block is verified;
If be verified, the status indicator of described data block information is set to processed.
5. method as claimed in claim 2, it is characterized in that, described fileinfo also comprises file verification information, and described method also comprises:
When the status indicator of all data block information is all set to processed, the data original position of all data blocks by corresponding data block message is spliced, obtain and receive file;
According to described file verification information, described reception file is verified.
6. a document transmission system, is characterized in that, comprising:
Receiving terminal, for receiving the fileinfo of file to be transmitted, described fileinfo comprises file size; And according to described file size for the some data block information of document creation to be transmitted, described data block information comprises data original position, data rest position and status indicator;
Transmission end, obtains request for sending data block information to described receiving terminal;
Wherein, described receiving terminal concrete also for, receive described data block information and obtain request; And obtain request for described data block information, be that untreated data block information sends to transmission end by status indicator;
Described transmission end concrete also for, obtaining described status indicator is untreated data block information; And be that in untreated data block information, data original position and data rest position transmit file to be transmitted according to described status indicator.
7. a file transfer means, is characterized in that, comprising:
First receiver module, for receiving the fileinfo of file to be transmitted, described fileinfo comprises file size;
Creation module, for according to described file size for the some data block information of document creation to be transmitted;
Second receiver module, obtains request for receiving data block information;
Request processing module, for obtaining request for described data block information, feeds back described data block information;
3rd receiver module, for receiving the data block for described data block information.
8. device as claimed in claim 7, it is characterized in that, described data block information at least comprises status indicator, described request processing module specifically for, feedback states is designated untreated data block information.
9. device as claimed in claim 8, it is characterized in that, described device also comprises:
First acquisition module, for obtaining the data block authorization information for described data block;
First authentication module, for verifying described data block according to described data block authorization information; If be verified, the status indicator of described data block information is set to processed.
10. device as claimed in claim 7, it is characterized in that, described fileinfo also comprises file verification information, and described device also comprises:
Concatenation module, is all set to processed for the status indicator when all data block information, the data original position of all data blocks by corresponding data block message is spliced, and obtains and receives file;
Second authentication module, for verifying described reception file according to described file verification information.
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| CN201510298914.5A CN104935650B (en) | 2015-06-03 | 2015-06-03 | Document transmission method, system and device |
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| CN201510298914.5A CN104935650B (en) | 2015-06-03 | 2015-06-03 | Document transmission method, system and device |
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| CN104935650B (en) | 2019-01-04 |
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