CN107222554A - A kind of document transmission method and system - Google Patents

A kind of document transmission method and system Download PDF

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Publication number
CN107222554A
CN107222554A CN201710500513.2A CN201710500513A CN107222554A CN 107222554 A CN107222554 A CN 107222554A CN 201710500513 A CN201710500513 A CN 201710500513A CN 107222554 A CN107222554 A CN 107222554A
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CN
China
Prior art keywords
subfile
file
internal memory
document transmission
receiving terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710500513.2A
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Chinese (zh)
Inventor
张宏宽
王蒴
韩锋
冷静
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CVIC Software Engineering Co Ltd
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CVIC Software Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CVIC Software Engineering Co Ltd filed Critical CVIC Software Engineering Co Ltd
Priority to CN201710500513.2A priority Critical patent/CN107222554A/en
Publication of CN107222554A publication Critical patent/CN107222554A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • H04L67/1074Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
    • H04L67/1078Resource delivery mechanisms
    • H04L67/108Resource delivery mechanisms characterised by resources being split in blocks or fragments

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The invention discloses a kind of document transmission method, including:The file got be segmented to obtain multiple subfiles, wherein the space shared by each subfile is respectively less than the residual capacity of internal memory;It is respectively each subfile addition sequence number according to position of each subfile in the file;By the internal memory of each subfile successively write service device to be sent to corresponding receiving terminal.As can be seen here, this method is segmented to file, can avoid the problem of internal memory overflows.In addition, invention additionally discloses a kind of document transmission system, effect is as described above.

Description

A kind of document transmission method and system
Technical field
The present invention relates to Clustering field, more particularly to a kind of document transmission method and system.
Background technology
Message-oriented middleware refers to carry out platform-independent data exchange using the message passing mechanism of high efficient and reliable, and is based on Data communication carries out the integrated of distributed system.By providing message transmission and message queueing model, it can be in distribution Communication under environment between extension process.Wherein, the important indicator for evaluating a message-oriented middleware is the performance for transmitting file, especially It is the big file of transmission.
Traditional file is that whole file is read in into internal memory, then overall again to be sent to receiving terminal.Which Although ensure that the integrality of file, when the capacity of file is excessive, memory size not enough will result in internal memory spilling and ask Topic, so that can not normal transmission file.
As can be seen here, in document transmission process, how to overcome the problem of internal memory overflows be those skilled in the art urgently Solve ground problem.
The content of the invention
It is interior in document transmission process, overcoming it is an object of the invention to provide a kind of document transmission method and system The problem of depositing spilling.
In order to solve the above technical problems, the present invention provides a kind of document transmission method, including:
The file got be segmented to obtain multiple subfiles, wherein the space shared by each subfile is small In the residual capacity of internal memory;
It is respectively each subfile addition sequence number according to position of each subfile in the file;
By the internal memory of each subfile successively write service device to be sent to corresponding receiving terminal.
Preferably, also include before being segmented to the file:
Judge whether the space shared by the file is more than the residual capacity of the internal memory;
Wherein, if it is, being segmented to the file.
Preferably, in addition to:
The corresponding unified group number of the file is added for each subfile.
Preferably, it is described by the file got be segmented obtaining multiple subfiles and being specially:According to the internal memory The file fragmentation is obtained multiple subfiles by residual capacity and current bandwidth.
Preferably, in addition to:
Continue monitoring reception port, and the subfile received in the receiving port is put into receiving terminal, until Untill the receiving terminal receives whole subfiles;
Wherein, the receiving terminal is spliced each subfile to obtain the text according to the order of the sequence number Part.
In order to solve the above technical problems, the present invention provides a kind of document transmission system, including:
Segmentation module, for by the file got be segmented obtaining multiple subfiles, wherein each subfile institute The space of occupancy is respectively less than the residual capacity of internal memory;
First add module, for being respectively each subfile according to position of each subfile in the file Add sequence number;
Writing module, for the internal memory of each subfile successively write service device to be sent into corresponding receiving terminal.
Preferably, in addition to:
Judge module, for judging whether the space shared by the file is more than before being segmented to the file The remaining space of the internal memory;
Wherein, if it is, triggering the segmentation module.
Preferably, in addition to:
Second add module, for adding the corresponding unified group number of the file for each subfile.
Preferably, the specific remaining space and current bandwidth according to the internal memory of the segmentation module is by the file fragmentation Obtain multiple subfiles.
Preferably, in addition to:
Monitoring module, puts for lasting monitoring reception port, and by the subfile received in the receiving port Enter receiving terminal, untill the receiving terminal receives whole subfiles;
Wherein, the receiving terminal is spliced each subfile to obtain the text according to the order of the sequence number Part.
File can be segmented by document transmission method provided by the present invention, this method so that each subfile institute The space accounted for is both less than the residual capacity of internal memory, then writes internal memory successively to carry out the transmission of file by each subfile again. As can be seen here, this method can avoid the problem of internal memory overflows.In addition, the present invention also provides a kind of document transmission system, effect As described above.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of document transmission method provided in an embodiment of the present invention;
Fig. 2 is the flow chart of another document transmission method provided in an embodiment of the present invention;
Fig. 3 is the flow chart of another document transmission method provided in an embodiment of the present invention;
Fig. 4 is a kind of structure chart of document transmission system provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this Embodiment in invention, those of ordinary skill in the art are not under the premise of creative work is made, and what is obtained is every other Embodiment, belongs to the scope of the present invention.
The core of the present invention is to provide a kind of document transmission method and system, interior in document transmission process, overcoming The problem of depositing spilling.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description The present invention is described in further detail.
Fig. 1 is a kind of flow chart of document transmission method provided in an embodiment of the present invention.As shown in figure 1, file transmission side Method includes:
S10:The file got be segmented to obtain multiple subfiles, wherein the space shared by each subfile is small In the residual capacity of internal memory.
In specific implementation, if the space shared by file to be sent is more than the residual capacity of the internal memory of current server If, then the problem of internal memory overflows can be caused by file being write direct into internal memory.File progress is segmented in the present invention and obtains multiple Subfile, and the space shared by each subfile is respectively less than the residual capacity of internal memory.It should be noted that how to a text Part carries out the segmentation present invention and not limited, as long as ensureing that the space shared by each subfile is less than the residual capacity of internal memory i.e. Can.
Mode is preferably carried out as one kind, in other embodiments, the file got be segmented to obtain multiple Subfile is specially:File fragmentation is obtained into multiple subfiles according to the residual capacity and current bandwidth of internal memory.It may be appreciated Be, segmentation principle here be exactly according to two parameters, one be internal memory residual capacity, another is current bandwidth.For First parameter, then this does not repeat, and is to prevent that each subfile is excessive for second parameter, and current bandwidth is relatively low When, the problem of file is transmitted across slow.
For example, the residual capacity of current memory is 2G, the space shared by file is 3G, then according to shared by each subfile Space be respectively less than internal memory residual capacity be segmented if, 3 sections can be divided documents into, 3 subfiles, example are obtained Such as, first subfile is 1G, and second subfile is 1G, and the 3rd subfile is 1G.But be due to current network bandwidth compared with It is low, the problem of causing to be transmitted across slow, therefore, in view of the situation can be by text if 1G subfile is transmitted The section that part is divided is some more, for example, be divided into 6 sections.It is not more it should be noted that a file is divided into multistage It is better, nor more few better, it is necessary to consider two parameters of residual capacity and current bandwidth of internal memory.
S11:It is respectively each subfile addition sequence number according to the position of each subfile hereof.
The purpose in this step being each subfile addition sequence number is can to allow receiving terminal after subfile is received to each Subfile is spliced, and prevents the problem of subfile is lost and splices mistake., can be in subfile in specific implementation Message header in add sequence number.It should be noted that the sequence number of each subfile be according to subfile in whole file Position arrangement.
For example, a file is divided into five subfiles, it is first subfile, second subfile, the 3rd respectively Individual subfile, the 4th subfile, the 5th subfile, then the sequence number of these subfiles can be followed successively by 3,2,1,0, -1. In specific implementation, judge whether to receive for the ease of receiving terminal, end mark can be embodied by sequence number, for example It regard Serial No. -1 as end mark, then receiving terminal to file when being segmented, by the sequence of last subfile Number it is set to -1.It is understood that why digital sequence number is specific, can be according to reality as end mark using what mark Situation is set, and the present invention is no longer limited.
S12:By the internal memory of each subfile successively write service device to be sent to corresponding receiving terminal.
It should be noted that be put into according to sequence of positions hereof in the queue that the subfile in this step is put into , such as one subfile hereof will prior to another subfile, then the subfile in the position of queue just than another The position of subfile is forward, in other words, and subfile is the sequencing biography according to position hereof in transmitting procedure Defeated, so prevent transmission chaotic.
File, can be segmented by the document transmission method that the present embodiment is provided so that the sky shared by each subfile Between both less than internal memory residual capacity, then again each subfile is write internal memory to carry out the transmission of file successively.Thus may be used See, this method can avoid the problem of internal memory overflows.
Fig. 2 is the flow chart of another document transmission method provided in an embodiment of the present invention.As shown in Fig. 2 as preferred Ground embodiment, also includes before being segmented to file:
S20:Judge whether the space shared by file is more than the residual capacity of internal memory.
Wherein, if it is, being segmented to file.
In a upper embodiment, do not made a distinction for the space shared by file, can be by any one file It is segmented, it is contemplated that after being segmented to file, receiving terminal is also needed into splicing, so when the sky shared by file Between it is less big when, without being segmented to file, i.e., directly according to transmission means of the prior art.Therefore, this implementation In example, first determine whether whether the space shared by this document is more than the residual capacity of internal memory before to file fragmentation, if greatly In being then segmented.
On the basis of above-described embodiment, in addition to:
For the corresponding unified group number of each subfile add file.
It is understood that in the cluster, with multiple servers, each server both can also may be used as transmitting terminal Using as receiving terminal, and same transmitting terminal can launch multiple different files.For in this case, in order to not Same file makes a distinction, in the present embodiment, can also to giving subfile to assign same unified group number in same file It is called group id field.If that is, there is two subfiles identical to unify group number, illustrating the two subfiles Belong to same file, if on the contrary, two subfiles have different unified group numbers, illustrating that the two subfiles belong to not Same file.When receiving port receives subfile, by recognizing unified group number, it is possible to by with identical unified group number Subfile is sent to same receiving terminal, prevents transmission confusion, and subfile is distributed in different receiving terminals, last receiving terminal The problem of complete file can not be spliced.
In specific implementation, unified group number can be added in the message header of subfile.
The document transmission method that above each embodiment is provided is applied in transmitting terminal, and the present invention also provides a kind of application In the document receiving method of receiving terminal.
Fig. 3 is the flow chart of another document transmission method provided in an embodiment of the present invention.As shown in figure 3, in above-mentioned reality Applying also includes on the basis of example:
S30:Continue monitoring reception port, and the subfile received in receiving port is put into receiving terminal, until receiving Untill termination receives whole subfiles.
Wherein, receiving terminal is spliced each subfile to obtain file according to the order of sequence number.
In specific implementation, transmitting terminal needs to send each subfile successively, accordingly, it would be desirable to which ceaselessly monitoring reception port is It is no to there is file to transmit, after having listened to file and transmitting, subfile is put into receiving terminal, then proceedes to monitor, follows Ring aforesaid operations step, untill having received all subfiles.The sequence number of the subfile for example in step S40 got 3,2,1,0, -1 is followed successively by, then only just completes the reception of file in the subfile for receiving Serial No. -1.
When subfile includes unified group number, then the subfile received in receiving port is put into receiving terminal and specifically wrapped Include:
Judge whether current unified group number has been present;
If it is, current subfile is put into receiving terminal corresponding with currently unifying group number, otherwise, by current subfile It is put into new receiving terminal;
Wherein, there is same receiving terminal identical to unify group number.
If it is understood that there is two subfiles identical to unify group number, illustrating that the two subfiles belong to Same file, if on the contrary, two subfiles have different unified group numbers, illustrating that the two subfiles belong to different File.When receiving port receives subfile, by recognizing unified group number, it is possible to by the Ziwen with identical unified group number Part is sent to same receiving terminal, prevents transmission confusion, and subfile is distributed in different receiving terminals, and last receiving terminal can not The problem of splicing complete file.
In addition, on this basis, in addition to:
Set up the general type array of the corresponding relation for recording unified group number and receiving terminal.
It is understood that setting up general type array can be more convenient to record the corresponding relation of unified group number and receiving terminal.
Each embodiment above for document transmission method is described in detail, and the present invention also provides a kind of with being somebody's turn to do The corresponding system of method.Because the embodiment of components of system as directed and the embodiment of method part are mutually corresponding, therefore components of system as directed Embodiment refers to the description of the embodiment of method part, wouldn't repeat here.
Fig. 4 is a kind of structure chart of document transmission system provided in an embodiment of the present invention.As shown in figure 4, the system includes:
Segmentation module 10, for by the file got be segmented obtaining multiple subfiles, wherein shared by each subfile Space is respectively less than the residual capacity of internal memory.
First add module 11, for being respectively that each subfile adds sequence according to the position of each subfile hereof Number.
Writing module 12, for the internal memory of each subfile successively write service device to be sent into corresponding receiving terminal.
File process, can be segmented by the document transmission system that the present embodiment is provided so that the sky shared by each subfile Between both less than internal memory residual capacity, then again each subfile is write internal memory to carry out the transmission of file successively.Thus may be used See, the system can avoid the problem of internal memory overflows.
Preferably embodiment, in addition to:
Judge module, for judging whether the space shared by file is more than the surplus of internal memory before being segmented to file Complementary space;
Wherein, if it is, triggering segmentation module.
Preferably embodiment, in addition to:
Second add module, for unifying group number for each subfile add file is corresponding.
Preferably embodiment, segmentation module is specifically according to the remaining space and current bandwidth of internal memory by file fragmentation Obtain multiple subfiles.
Preferably embodiment, the system also includes:
Monitoring module, receiving terminal is put into for lasting monitoring reception port, and by the subfile received in receiving port, Untill receiving terminal receives whole subfiles;
Wherein, receiving terminal is spliced each subfile to obtain file according to the order of sequence number.
Document transmission method provided by the present invention and system are described in detail above.Each in specification is implemented Example is described by the way of progressive, and what each embodiment was stressed is the difference with other embodiment, each implementation Example between identical similar portion mutually referring to.For system disclosed in embodiment, due to its with disclosed in embodiment Method is corresponding, so description is fairly simple, related part is referring to method part illustration.It should be pointed out that for this skill For the those of ordinary skill in art field, under the premise without departing from the principles of the invention, some change can also be carried out to the present invention Enter and modify, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged Except also there is other identical element in the process including the key element, method, article or equipment.

Claims (10)

1. a kind of document transmission method, it is characterised in that including:
The file got is carried out to be segmented and obtain multiple subfiles, wherein in the space shared by each subfile is respectively less than The residual capacity deposited;
It is respectively each subfile addition sequence number according to position of each subfile in the file;
By the internal memory of each subfile successively write service device to be sent to corresponding receiving terminal.
2. document transmission method according to claim 1, it is characterised in that also wrapped before being segmented to the file Include:
Judge whether the space shared by the file is more than the residual capacity of the internal memory;
Wherein, if it is, being segmented to the file.
3. document transmission method according to claim 1, it is characterised in that also include:
The corresponding unified group number of the file is added for each subfile.
4. document transmission method according to claim 1, it is characterised in that described to carry out the file got to be segmented It is specially to multiple subfiles:The file fragmentation is obtained multiple described according to the residual capacity and current bandwidth of the internal memory Subfile.
5. the document transmission method according to claim 1-4 any one, it is characterised in that also include:
Continue monitoring reception port, and the subfile received in the receiving port is put into the receiving terminal, until Untill the receiving terminal receives whole subfiles;
Wherein, the receiving terminal is spliced each subfile to obtain the file according to the order of the sequence number.
6. a kind of document transmission system, it is characterised in that including:
Segmentation module, for by the file got be segmented obtaining multiple subfiles, wherein shared by each subfile Space be respectively less than the residual capacity of internal memory;
First add module, for being respectively that each subfile is added according to position of each subfile in the file Sequence number;
Writing module, for the internal memory of each subfile successively write service device to be sent into corresponding receiving terminal.
7. document transmission system according to claim 6, it is characterised in that also include:
Judge module, for judging it is described whether the space shared by the file is more than before being segmented to the file The remaining space of internal memory;
Wherein, if it is, triggering the segmentation module.
8. document transmission system according to claim 6, it is characterised in that also include:
Second add module, for adding the corresponding unified group number of the file for each subfile.
9. document transmission system according to claim 6, it is characterised in that the segmentation module is specific according to the internal memory Remaining space and current bandwidth the file fragmentation is obtained into multiple subfiles.
10. the document transmission system according to claim 6-9 any one, it is characterised in that also include:
Monitoring module, for lasting monitoring reception port, and the subfile received in the receiving port is put into connects Receiving end, untill the receiving terminal receives whole subfiles;
Wherein, the receiving terminal is spliced each subfile to obtain the file according to the order of the sequence number.
CN201710500513.2A 2017-06-27 2017-06-27 A kind of document transmission method and system Pending CN107222554A (en)

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Cited By (5)

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CN108990039A (en) * 2018-08-08 2018-12-11 Oppo广东移动通信有限公司 Data transmission method and relevant apparatus
CN109040213A (en) * 2018-07-23 2018-12-18 Oppo广东移动通信有限公司 Document down loading method and Related product
CN109246185A (en) * 2018-07-31 2019-01-18 Oppo广东移动通信有限公司 Document down loading method and Related product
CN109739629A (en) * 2018-12-29 2019-05-10 中国银联股份有限公司 A kind of system multithread scheduling method and device
CN111158947A (en) * 2019-12-31 2020-05-15 深圳Tcl数字技术有限公司 Method for making pre-copy file, server and readable storage medium

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CN105187533A (en) * 2015-09-10 2015-12-23 浪潮软件股份有限公司 Data transmission method and device
CN105243077A (en) * 2015-08-28 2016-01-13 北京雅昌文化发展有限公司 Network based unlimited-length file transmission method and system

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CN101119219A (en) * 2007-09-12 2008-02-06 中兴通讯股份有限公司 Method and system for implementing data transmission of broadcast/multicast service
CN103179193A (en) * 2013-02-21 2013-06-26 用友软件股份有限公司 Data transmission system and data transmission method used for distributed application system
CN105243077A (en) * 2015-08-28 2016-01-13 北京雅昌文化发展有限公司 Network based unlimited-length file transmission method and system
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CN109040213A (en) * 2018-07-23 2018-12-18 Oppo广东移动通信有限公司 Document down loading method and Related product
CN109246185A (en) * 2018-07-31 2019-01-18 Oppo广东移动通信有限公司 Document down loading method and Related product
CN109246185B (en) * 2018-07-31 2021-03-12 Oppo广东移动通信有限公司 File downloading method and related product
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CN111158947A (en) * 2019-12-31 2020-05-15 深圳Tcl数字技术有限公司 Method for making pre-copy file, server and readable storage medium

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Application publication date: 20170929