CN104917586A - Verification method, device and system of transmitted data - Google Patents
Verification method, device and system of transmitted data Download PDFInfo
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- CN104917586A CN104917586A CN201410088829.1A CN201410088829A CN104917586A CN 104917586 A CN104917586 A CN 104917586A CN 201410088829 A CN201410088829 A CN 201410088829A CN 104917586 A CN104917586 A CN 104917586A
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Abstract
The invention discloses a verification method, device and system of transmitted data. The method includes the following steps that: a transmitting client locally simulates a virtual receiving module; after a data block of a file to be transmitted is divided into n data segments, the data segments are sequentially transmitted to the virtual receiving module through a first transmission channel; when each data segment is transmitted, a corresponding check code can be generated, the check code corresponding to each data segment is transmitted to the virtual receiving module through a second transmission channel; the virtual receiving module verifies the data segments which are sequentially received, and forwards successfully-verified data segments through the first transmission channel, and forwards the check codes corresponding to the successfully-verified data segments through the second transmission channel. With the verification method, device and system of the transmitted data of the invention adopted, error risks of the transmitted file can be decreased.
Description
Technical field
The present invention relates to computer realm, in particular to a kind of method of calibration, the Apparatus and system that transmit data.
Background technology
The object of network service data information security can be transferred to recipient reliably, but due to state, the reason such as transmission disturbance and hacker's intercepting of transmission range, transmission network, cause between device end, transmitting data and some unpredictable mistakes can occur, if the mistake transmitting data cannot Timeliness coverage, can cause transmitting data failure, waste network traffics.
In order to solve the problem, in existing technology, when user is by sending client client transmissions data externally, can adopt and before transmission client transmissions data, file waiting for transmission be verified, and the verification after transmitting after being transferred to destination client, concrete, the verification after full dose/piecemeal can be adopted to transmit when being transferred to object object.
Analysis such scheme is known, prior art due to carry out be transmission after verification, therefore once because network reason causes breakage after transmission, the consequence that user is damaged after still needing to bear transmission, need again to pull transmission, thus the problem expending flow cannot be avoided, and the risk of transfer files mistake cannot be reduced as much as possible.
For the above-mentioned problem that cannot reduce the risk of transfer files mistake, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of method of calibration, the Apparatus and system that transmit data, at least to solve the technical problem of the risk that cannot reduce transfer files mistake.
According to an aspect of the embodiment of the present invention, provide a kind of method of calibration transmitting data, the method comprises: send client at this simulation virtual receiver module; After the data block of file to be transmitted is divided into n data segment, by the first transmission channel, n data segment is transferred to virtual receiver module successively; Often transmit a data segment, generate a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively; Virtual receiver module verifies successively to the data segment received successively, is forwarded by successful for verification data segment by the first transmission channel, and is forwarded by the second transmission channel by check code corresponding for the successful data segment of verification.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of calibration equipment transmitting data, this device comprises: analog module, for sending client at this simulation virtual receiver module; First transport module, for after the data block of file to be transmitted is divided into n data segment, transfers to virtual receiver module by the first transmission channel by n data segment successively; Second transport module, for often transmitting a data segment, generating a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively; Local checking treatment module, for virtual receiver module, the data segment received successively is verified successively, successful for verification data segment is forwarded by the first transmission channel, and check code corresponding for the successful data segment of verification is forwarded by the second transmission channel.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of check system transmitting data, this system comprises: send client, for at this simulation virtual receiver module, after the data block of file to be transmitted is divided into n data segment, by the first transmission channel, n data segment is transferred to virtual receiver module successively, simultaneously, often transmit a data segment, generate a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively, and the data segment received successively is verified successively, successful for verification data segment is forwarded by the first transmission channel, and check code corresponding for the successful data segment of verification is forwarded by the second transmission channel.
In embodiments of the present invention, adopt transmission client at this simulation virtual receiver module, after the data block of file to be transmitted is divided into n data segment, by the first transmission channel, n data segment is transferred to virtual receiver module successively, often transmit a data segment, generate a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively, virtual receiver module verifies successively to the data segment received successively, successful for verification data segment is forwarded by the first transmission channel, and check code corresponding to the successful data segment of verification is carried out the mode that forwards by the second transmission channel, such scheme is by sending this simulation of client virtual receiving system, the data segment of transmission needs the virtual receiving system first through this locality and externally transmits after verifying again, both virtual receiving system was used for the data to be transmitted section after grain refined being carried out this locality verification, data segment and check code are transmitted in use two simultaneously independently transmission channel respectively, because this locality verification sending client is real-time, and the data segment granularity of verification is less, therefore the local file verification before by transmission reduces transmission corrupt data object in conjunction with the living document block check of transmitting procedure is reached, thus achieve the technique effect reducing transfer files risk of error, and then solve the technical problem of the risk that cannot reduce transfer files mistake.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the check system structural representation of the transmission data according to the embodiment of the present invention one;
Fig. 2 is the schematic flow sheet of the method for calibration of transmission data according to the embodiment of the present invention two;
Fig. 3 is the detailed process schematic diagram carrying out sending the verification of front transfer of data according to the transmission client that the present invention is embodiment illustrated in fig. 2;
Fig. 4 is the detailed process schematic diagram carrying out sending rear data check according to the reception client that the present invention is embodiment illustrated in fig. 2; And
Fig. 5 is the calibration equipment structural representation of the transmission data according to the embodiment of the present invention three.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment 1
Before the further details of each embodiment describing the application, the counting system structure that of the principle that can be used for realizing the application is suitable is described with reference to Fig. 1.In the following description, except as otherwise noted, the symbol otherwise with reference to the action performed by one or more computer and operation represents each embodiment describing the application.Thus, be appreciated that processing unit that this kind of action performed sometimes referred to as computer and operation comprise computer is to the manipulation of the signal of telecommunication representing data with structured form.It is safeguarded in this manipulation transforms data or the position in the accumulator system of computer, and this reshuffles or changes the operation of computer in the mode that those skilled in the art understands.The data structure of service data is the physical location of the memory of the particular community that the form with data defines.But although describe the application in above-mentioned context, it does not also mean that restrictive, as understood by those skilled in the art, hereinafter described action and each side of operation also can realize with hardware.
In the configuration that it is the most basic, Fig. 1 is the check system structural representation of the transmission data according to the embodiment of the present invention one.For purposes of illustration, the architecture of painting is only an example of proper environment, not proposes any limitation to the scope of application of the application or function.This computing system should be interpreted as, to the arbitrary assembly shown in Fig. 1 or its combination, there is any dependence or demand yet.
As shown in Figure 1, the check system of these transmission data can comprise: one sends client 10.
This transmission client 10, for at this simulation virtual receiver module, after the data block of file to be transmitted is divided into n data segment, by the first transmission channel, n data segment is transferred to virtual receiver module successively, simultaneously, often transmit a data segment, generate a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively, and the data segment received successively is verified successively, successful for verification data segment is forwarded by the first transmission channel, and check code corresponding for the successful data segment of verification is forwarded by the second transmission channel.
The application's above-mentioned transmission client achieved before the data block of file to be transmitted is divided into n data segment, File cutting to be transmitted can be become m data block, and the size of self-defined each data block.It should be noted that herein, above-mentioned virtual receiver module may be used for simulating the network transmission channels sending client and receive between client, wherein, the sending module sending client adopts the network transmission protocol to communicate with between virtual receiver module, and the transmission channel between sending module and virtual receiver module comprises the first transmission channel and the second transmission channel, namely at each data segment before being transmitted, also need establishment two independently data transmission channel, two the first transmission channels independently in transmission channel are used for transmitting n data segment successively, two the second transmission channels (namely verifying passage) independently in transmission channel are for check code corresponding to transmission data block.Above-mentioned virtual receiver module carries out this locality verification successively according to the order of transmission of data segment, thus whether there is mistake at local verification file waiting for transmission.It should be noted that herein, in said method step, data segment and corresponding check code adopt independently transmission channel to transmit respectively, wherein, first transmission channel is the data transmission channel that user transmits data segment, and the second transmission channel is the verification passage of user's transfer check code.
To sum up analyze known, the said method embodiment that the application provides, send client before reception client transmissions data, at transmission this simulation of client virtual receiving system, the data segment of transmission needs the virtual receiving system first through this locality and externally transmits after verifying again, both virtual receiving system was used for the data to be transmitted section after grain refined being carried out this locality verification, data segment and check code are transmitted in use two simultaneously independently transmission channel respectively, because this locality verification sending client is real-time, and the data segment granularity of verification is less, therefore the living document block check of the local file verification before by transmission in conjunction with transmitting procedure is achieved to reduce transmission corrupt data.Lower transmission corrupt data rate can be realized.Thus achieve the technique effect reducing transfer files risk of error, and then solve the technical problem of the risk that cannot reduce transfer files mistake.
Concrete, the method for the data segment generation check code of corresponding each transmission can adopt the checking algorithm of MD5 checking algorithm or any file verification code form.And, above-mentioned transmission client before transmitting the data, setting up for transmitting the real-time verification passage of check code corresponding to data segment in this locality can be an independently verification MD5 main memory access, make virtual receiver module the data segment blocks of files of moment to transmission can carry out Memory Checkout, because verification is real-time, therefore can as far as possible comparatively low transmission corrupt data.It should be noted that herein, disperseing transmission block as far as possible to cut to reduce risk such scheme as far as possible the data segment obtaining transmitting, the data block error because the reasons such as DNS abduction cause can be avoided.
It should be noted that herein, send the virtual receiver module that client creates automatically, whether normal for verifying the network connection state of transmit leg this locality, wherein, create virtual receiver module and following several mode can be adopted to realize:
A, after client this locality sets up virtual linkage (this locality-network-this locality) in transmission, the agreement of class receiver is used to create the virtual receiver module of this locality.Concrete, for judging that the whether normal part of network uses the mode receiving verification to realize by the agreement of class receiver.
B, transmission client this locality create a sandbox, set up virtual linkage (this locality-network-sandbox), this sandbox can be the virtual machine being modeled to PC terminal, thus generates local virtual receiver module, is verified analogue data block by the virtual machine of sandboxing techniques.
Preferably, the data block of file to be transmitted can be divided into n data segment by above-described embodiment in units of byte, and wherein, the size of data segment is the data field of byte unit size.
Concrete, above-mentioned transmission client is when user sends file to be transmitted, by self-defining cutting quantity, file to be transmitted tentatively can be cut, file to be transmitted is carried out cutting and generate m data block (data block 1, data block 2, data block m), herein crucially, before each transmission of data blocks or in transmitting procedure, further data block is carried out the segmentation of grain refined more, n data segment is divided into further by data block, such as, data block is divided in units of a byte, concrete, if the data block after known file user-defined segmentation to be transmitted is 300 bytes, now can the data segment of 300 1 bytes be divided into transmit successively the data block of 300 bytes.This process file to be transmitted being carried out before being transmitted further grain refined, makes loading error occurring rate lower.
As shown in Figure 1, in the application's said system embodiment, system can also comprise: one receives client 20.
Receive client, for receiving each data segment sending client and forward successively, and receive check code corresponding to each data segment, after this locality generates the check value of each data segment successively, the check value of data segment is mated with the corresponding check code received, if coupling is consistent, then preserves data segment, if mate inconsistent, then inform that sending client data section sends unsuccessfully.
As from the foregoing, the above-mentioned reception client 20 of the application verifies after achieving the reception receiving client.Concrete, when transfer files is transferred to reception client by arbitrary network according to the data segment after segmentation by transmission client successively, receive client and generate a receiver data module, for receiving data segment (such as, receive 1 byte data successively) and corresponding check code, then check value corresponding to data segment is generated according to data segment in this locality, by judging that whether the whether consistent data segment determining to be currently received of check code and check value is successful.
Concrete, the check value corresponding with the local data segment generated due to the check code received receiving client in theory should be consistent, therefore the check code utilizing verification passage to obtain verifies, if verification is correct, then the data segment be currently received is saved to internal memory or local storage, as check errors, then inform transmission client by verification passage, resend this data segment.The data transmitted in units of byte carry out being verified as example, and in above process, check value is the new check code that specified data block often receives 1 byte generation.
It should be noted that herein, due to data segment and check code be respectively by two independently transmission channel transmit, therefore, receive the check code that client can receive data segment and correspondence respectively successively, the data segment now received can be carried out the transmission data after once verifying in transmission client.
Preferably, often transmission data segment of the above-mentioned transmission client executing of the application, the step generating a corresponding check code can adopt following execution mode: be kept in default memory space by the data segment carrying out transmitting current in n data segment, generate the transmission file that this data segment is corresponding; Use predetermined checking algorithm to carry out checking treatment to transmission file, generate the check code that the current data segment carrying out transmitting is corresponding; Wherein, the size of the data block that the memory space preset is corresponding with n data segment is identical.
Concrete, the data block can treating transfer files segmentation in units of byte is cut further, and such as, transmitted by the data segment that the data block of 300 byte-sized is divided into 300 1 bytes, the data segment of each byte is an analogue data block.Just save the process of carrying out transmitting and verifying for the first character in 300 bytes to be below described in detail:
In the process of transmission first 1 byte data, first system can know that current first 1 byte data is divided by the data block 1 of 300 bytes, therefore, one can be created for storing the memory space of this 1 byte data in this locality, the size of this memory space can be a space storing 300 byte-sized, preferably, can by first 1 bytes store in the first subregion of this memory space.Can obtain one and send file after above-mentioned 1 byte data is saved to above-mentioned memory space, now, system uses checking algorithm to carry out checking treatment to above-mentioned transmission file and generates a corresponding check code.
Preferably, in above-described embodiment, while being undertaken forwarding by the first transmission channel by the successful data segment of verification, memory space value corresponding for the data segment being used for preserving verification succeeds can be forwarded by the first transmission channel by virtual receiver module simultaneously; Wherein, by the check value receiving client 20 and to generate successively in this locality each data segment, and following execution mode can be adopted in the step receiving client and often generate the check value of a data segment:
First, receive client and read the data segment be currently received and memory space value corresponding to the data segment be currently received.
Then, after the memory space value corresponding according to the data segment be currently received creates a verification memory space, the data segment be currently received is saved to verification memory space, the reception file that the data segment that generation is currently received is corresponding.
Finally, predetermined checking algorithm docking message in-coming part is used to carry out checking treatment, the check value that the data segment that generation is currently received is corresponding.
From such scheme, due in a kind of embodiment that the application provides, can after the data segment carrying out transmitting current in n data segment be kept at default memory space owing to sending client, the memory space transmission file integrally storing current data section is carried out checking treatment, therefore, receiving client is doing in the process receiving rear verification, need first to create a verification memory space identical with sending storage size that client presets, and the data segment received is kept at this verification memory space, generate one and receive file, thus checking treatment is carried out to this reception file, then the check code that the check value now obtained and transmission client are transmitted by the second transmission channel is carried out consistency desired result, and then the data segment whether transmission success of current transmission can be confirmed.
Concrete, the data segment transmitted in units of byte is received to receive client, after the data segment of 1 byte receiving above-mentioned transmission client transmissions, owing to can know that current 1 byte data is come by the data block division of 300 bytes simultaneously, therefore, the verification memory space that a size is 300 byte-sized can be created in this locality, then obtain one after above-mentioned 1 byte data being saved to above-mentioned verification memory space and receive file, now, system uses checking algorithm to carry out checking treatment to above-mentioned reception file and generates a corresponding check value, thus in reception client data device, verify that the check value of current check code and generation carries out consistency desired result further, if verification succeeds, then preserve the data segment be currently received, otherwise notification can be returned to sending client, inform that sending client resends current data section.
Embodiment 2
According to the embodiment of the present invention, additionally provide a kind of embodiment of the method for implementing said system embodiment, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 2 is the schematic flow sheet of the method for calibration of transmission data according to the embodiment of the present invention two.
As shown in Figure 2, the method for calibration of these transmission data can comprise following implementation step:
Step S20, sends client at this simulation virtual receiver module.Whether this step achieves and automatically creates a virtual receiver module in transmission client, normal for verifying the network connection state of transmit leg this locality.
Wherein, creating virtual receiver module can adopt following several mode to realize:
A, after client this locality sets up virtual linkage (this locality-network-this locality) in transmission, the agreement of class receiver is used to create the virtual receiver module of this locality.Concrete, for judging that the whether normal part of network uses the mode receiving verification to realize by the agreement of class receiver.
B, transmission client this locality create a sandbox, set up virtual linkage (this locality-network-sandbox), this sandbox can be the virtual machine being modeled to PC terminal, thus generates local virtual receiver module, is verified analogue data block by the virtual machine of sandboxing techniques.
Step S22, after the data block of file to be transmitted is divided into n data segment, transfers to virtual receiver module by the first transmission channel by n data segment successively.Preferably, in units of byte, the data block of file to be transmitted can be divided into n data segment, wherein, the size of data segment is the data field of byte unit size.
Concrete, as shown in Figure 3, in above-mentioned steps S22, when user sends file to be transmitted, by self-defining cutting quantity, file to be transmitted tentatively can be cut, file to be transmitted is carried out cutting and generate m data block (data block 1, data block 2, data block m), herein crucially, before each transmission of data blocks or in transmitting procedure, further data block is carried out the segmentation of grain refined more, n data segment is divided into further by data block, such as, data block is divided in units of a byte, concrete, if the data block after known file user-defined segmentation to be transmitted is 300 bytes, now the data block of 300 bytes can be divided in analogue data block 1 data segment of 300 1 bytes transmit successively.This process file to be transmitted being carried out before being transmitted further grain refined, makes loading error occurring rate lower.
Step S24, often transmits a data segment, generates a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively.Concrete, be 1 byte for a data segment, often transmit 1 byte, all need the generation by verification passage, this 1 byte being carried out to a check code.
The method of the data segment generation check code of corresponding each transmission in above-mentioned steps S24 can adopt the checking algorithm of MD5 checking algorithm or any file verification code form.
Step S26, virtual receiver module verifies successively to the data segment received successively, is forwarded by successful for verification data segment by the first transmission channel, and is forwarded by the second transmission channel by check code corresponding for the successful data segment of verification.
As from the foregoing, in above-mentioned steps S22-S26, before the data block of file to be transmitted is divided into n data segment, File cutting to be transmitted can be become m data block, and the size of self-defined each data block.Wherein, each data segment before being transmitted, as shown in Figure 3, two independently data transmission channels can also be created, two the first transmission channels independently in transmission channel are used for transmitting n data segment successively, and two the second transmission channels (namely verifying passage) independently in transmission channel are for check code corresponding to transmission data block.Above-mentioned virtual receiver module carries out this locality verification successively according to the order of transmission of data segment, thus whether there is mistake at local verification file waiting for transmission.It should be noted that herein, in said method step, data segment and corresponding check code adopt independently transmission channel to transmit respectively, wherein, first transmission channel is the data transmission channel that user transmits data segment, and the second transmission channel is the verification passage of user's transfer check code.
To sum up analyze known, the said method embodiment that the application provides, send client before reception client transmissions data, at transmission this simulation of client virtual receiving system, the data segment of transmission needs the virtual receiving system first through this locality and externally transmits after verifying again, both virtual receiving system was used for the data to be transmitted section after grain refined being carried out this locality verification, data segment and check code are transmitted in use two simultaneously independently transmission channel respectively, because this locality verification sending client is real-time, and the data segment granularity of verification is less, therefore the living document block check that the local file before transmission verifies in conjunction with transmitting procedure is reduced transmission corrupt data, lower transmission corrupt data rate can be realized.Thus achieve the technique effect reducing transfer files risk of error, and then solve the technical problem of the risk that cannot reduce transfer files mistake.
Concrete, above-mentioned transmission client before transmitting the data, setting up for transmitting the real-time verification passage of check code corresponding to data segment in this locality can be an independently verification MD5 main memory access, make virtual receiver module the data segment blocks of files of moment to transmission can carry out Memory Checkout, because verification is real-time, therefore can as far as possible comparatively low transmission corrupt data.It should be noted that herein, disperseing transmission block as far as possible to cut to reduce risk such scheme as far as possible the data segment obtaining transmitting, the data block error because the reasons such as DNS abduction cause can be avoided.
In the above embodiments of the present application, virtual receiver module is for simulating the network transmission channels sending client and receive between client, wherein, the sending module sending client adopts the network transmission protocol to communicate with between virtual receiver module, and the transmission channel between sending module and virtual receiver module comprises the first transmission channel and the second transmission channel.
Concrete, the virtual receiver module in the above embodiments of the present application adopts the local network agreement sending client to come reciprocal process and the checking procedure of analogue transmission data.Virtual receiver module achieves and carries out once complete data check process in transmission client this locality to sent file, thus when ensure that the data segment error rate transferred out is low, whether the local network that simultaneous verification sends client is normal.
Need to further illustrate herein, send client and can create above-mentioned first transmission channel and the second transmission channel in local internal memory, be respectively used to transmit data segment waiting for transmission and check code.There is the advantage that efficiency of transmission is high, resources occupation rate is little.
Preferably, in the above embodiments of the present application, often transmission data segment that step S24 realizes, the step generating a corresponding check code can comprise following implementation process:
Step S241, is kept at the data segment carrying out transmitting current in n data segment in default memory space, generates the transmission file that this data segment is corresponding.
Step S242, uses predetermined checking algorithm to carry out checking treatment to transmission file, generates the check code that the current data segment carrying out transmitting is corresponding.Wherein, the memory space preset can be corresponding with n data segment the size of data block identical.
Concrete, as shown in Figure 3, the data block treating transfer files segmentation in units of byte is cut into example further, such as, transmitted by the data segment that the data block of 300 byte-sized is divided into 300 1 bytes, the data segment of each byte is an analogue data block.Just save the process of carrying out transmitting and verifying for the first character in 300 bytes to be below described in detail:
In the process of transmission first 1 byte data, first system can know that current first 1 byte data is divided by the data block 1 of 300 bytes, therefore, one can be created for storing the memory space of this 1 byte data in this locality, the size of this memory space can be a space storing 300 byte-sized, preferably, can by first 1 bytes store in the first subregion of this memory space.One can be obtained send file after above-mentioned 1 byte data is saved to above-mentioned memory space, now, system uses checking algorithm to carry out checking treatment to above-mentioned transmission file and generates a corresponding check code, such as, adopt MD5 checking algorithm to carry out checking treatment to transmission file and generate MD5 check code, checking algorithm just illustrates herein.
In the application's each embodiment above-mentioned, perform in step S26 and successful for verification data segment is forwarded by the first transmission channel, and check code corresponding for each data segment is carried out the step forwarded by the second transmission channel after, following implementation step can also be comprised:
Step S261, receives with the reception client sending client section and have network service relation each data segment that above-mentioned transmission client forwards successively, and receives check code corresponding to each data segment.
Wherein, due to data segment and check code be respectively by two independently transmission channel transmit, therefore, receive the check code that client can receive data segment and correspondence respectively successively, the data segment now received can be carried out the transmission data after once verifying in transmission client.
Step S262, receives client generates each data segment successively check value in this locality.
Step S263, the check value of data segment mates with the corresponding check code received after often generating the check value of a data segment by reception client, if coupling is consistent, then preserve data segment, if mate inconsistent, then inform that sending client data section sends unsuccessfully.
As from the foregoing, the application above-mentioned steps S261 to step S263 verifies after achieving the reception receiving client.Concrete, when transfer files is transferred to reception client by arbitrary network according to the data segment after segmentation by transmission client successively, receive client and generate a receiver data module, for receiving data segment (such as, receive 1 byte data successively) and corresponding check code, then check value corresponding to data segment is generated according to data segment in this locality, by judging that whether the whether consistent data segment determining to be currently received of check code and check value is successful.
Concrete, the check value corresponding with the local data segment generated due to the check code received receiving client in theory should be consistent, therefore the check code utilizing verification passage to obtain verifies, if verification is correct, then the data segment be currently received is saved to internal memory or local storage, as check errors, then inform transmission client by verification passage, resend this data segment.The data transmitted in units of byte carry out being verified as example, and in above process, check value is the new check code that specified data block often receives 1 byte generation.
Preferably, in the above embodiments of the present application, while being undertaken forwarding by the first transmission channel by the successful data segment of verification, memory space value corresponding for the data segment being used for preserving verification succeeds is forwarded by the first transmission channel by virtual receiver module simultaneously; Wherein, the reception client that in above-described embodiment, step S262 and step S263 realize generates the check value of each data segment successively in this locality, and can comprise following embodiment in the step receiving client and often generate the check value of a data segment:
First, receive client and read the data segment be currently received and memory space value corresponding to the data segment be currently received.
Then, after the memory space value corresponding according to the data segment be currently received creates a verification memory space, the data segment be currently received is saved to verification memory space, the reception file that the data segment that generation is currently received is corresponding.
Finally, predetermined checking algorithm docking message in-coming part is used to carry out checking treatment, the check value that the data segment that generation is currently received is corresponding.
From such scheme, due in a kind of embodiment that the application provides, can after the data segment carrying out transmitting current in n data segment be kept at default memory space owing to sending client, the memory space transmission file integrally storing current data section is carried out checking treatment, therefore, receiving client is doing in the process receiving rear verification, need first to create a verification memory space identical with sending storage size that client presets, and the data segment received is kept at this verification memory space, generate one and receive file, thus checking treatment is carried out to this reception file, then the check code that the check value now obtained and transmission client are transmitted by the second transmission channel is carried out consistency desired result, and then the data segment whether transmission success of current transmission can be confirmed.
Concrete, as shown in Figure 4, the data segment transmitted in units of byte is received to receive client, after the data segment receiving 1 byte in example as shown in Figure 3, owing to can know that current 1 byte data is come by the data block division of 300 bytes simultaneously, therefore, the verification memory space that a size is 300 byte-sized can be created in this locality, then obtain one after above-mentioned 1 byte data being saved to above-mentioned verification memory space and receive file, now, system uses checking algorithm to carry out checking treatment to above-mentioned reception file and generates a corresponding check value, thus in reception client data device, verify that the check value of current check code and generation carries out consistency desired result further, if verification succeeds, then preserve the data segment be currently received, otherwise notification can be returned to sending client, inform that sending client resends current data section.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that can add required general hardware platform by software according to the method for above-described embodiment and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 3
In the configuration that it is the most basic, Fig. 5 is the calibration equipment structural representation of the transmission data according to the embodiment of the present invention three.For purposes of illustration, the architecture of painting is only an example of proper environment, not proposes any limitation to the scope of application of the application or function.This computing system should be interpreted as, to the arbitrary assembly shown in Fig. 5 or its combination, there is any dependence or demand yet.
As shown in Figure 5, the calibration equipment of these transmission data can comprise: analog module 50,1 first transport module 52,1 second transport module 54 and a local checking treatment module 56.
Analog module 50, for sending client at this simulation virtual receiver module; First transport module 52, for after the data block of file to be transmitted is divided into n data segment, transfers to virtual receiver module by the first transmission channel by n data segment successively; Second transport module 54, for often transmitting a data segment, generating a corresponding check code, and check code corresponding for each data segment is sent to virtual receiver module by the second transmission channel successively; Local checking treatment module 56, for virtual receiver module, the data segment received successively is verified successively, successful for verification data segment is forwarded by the first transmission channel, and check code corresponding for the successful data segment of verification is forwarded by the second transmission channel.
Concrete, said apparatus embodiment achieves, and before the data block of file to be transmitted is divided into n data segment, File cutting to be transmitted can be become m data block, and the size of self-defined each data block.Wherein, each data segment before being transmitted, as shown in Figure 3, two independently data transmission channels can also be created, two the first transmission channels independently in transmission channel are used for transmitting n data segment successively, and two the second transmission channels (namely verifying passage) independently in transmission channel are for check code corresponding to transmission data block.Above-mentioned virtual receiver module carries out this locality verification successively according to the order of transmission of data segment, thus whether there is mistake at local verification file waiting for transmission.It should be noted that herein, in said method step, data segment and corresponding check code adopt independently transmission channel to transmit respectively, wherein, first transmission channel is the data transmission channel that user transmits data segment, and the second transmission channel is the verification passage of user's transfer check code.
To sum up analyze known, the said method embodiment that the application provides, send client before reception client transmissions data, at transmission this simulation of client virtual receiving system, the data segment of transmission needs the virtual receiving system first through this locality and externally transmits after verifying again, both virtual receiving system was used for the data to be transmitted section after grain refined being carried out this locality verification, data segment and check code are transmitted in use two simultaneously independently transmission channel respectively, because this locality verification sending client is real-time, and the data segment granularity of verification is less, therefore the living document block check of the local file verification before by transmission in conjunction with transmitting procedure is achieved to reduce transmission corrupt data.Lower transmission corrupt data rate can be realized.Thus achieve the technique effect reducing transfer files risk of error, and then solve the technical problem of the risk that cannot reduce transfer files mistake.
Concrete, above-mentioned transmission client before transmitting the data, setting up for transmitting the real-time verification passage of check code corresponding to data segment in this locality can be an independently verification MD5 main memory access, make virtual receiver module the data segment blocks of files of moment to transmission can carry out Memory Checkout, because verification is real-time, therefore can as far as possible comparatively low transmission corrupt data.It should be noted that herein, disperseing transmission block as far as possible to cut to reduce risk such scheme as far as possible the data segment obtaining transmitting, the data block error because the reasons such as DNS abduction cause can be avoided.
In the above embodiments of the present application, virtual receiver module may be used for simulating the network transmission channels sending client and receive between client, wherein, the sending module sending client adopts the network transmission protocol to communicate with between virtual receiver module, and the transmission channel between sending module and virtual receiver module comprises the first transmission channel and the second transmission channel.Preferably, the data block of file to be transmitted can be divided into n data segment by the application in units of byte, and wherein, the size of data segment is the data field of byte unit size.
Concrete, above-mentioned analog module, the first transport module, the second transport module and local checking treatment module correspond to step S20 in embodiment two to step S26, the example that four modules and corresponding step realize is identical with application scenarios, but is not limited to the content disclosed in above-described embodiment two.It should be noted that, above-mentioned module may operate in the transmission client 10 that embodiment one provides as the part of device, can pass through software simulating, also can pass through hardware implementing.
The second transport module in the above embodiments of the present application can comprise: one first generation module and one second generation module.
Wherein, the first generation module, for being kept in default memory space by the data segment carrying out transmitting current in n data segment, generates the transmission file that this data segment is corresponding; Second generation module, for using predetermined checking algorithm to carry out checking treatment to transmission file, generates the check code that the current data segment carrying out transmitting is corresponding; Wherein, the size of the data block that the memory space preset is corresponding with n data segment is identical.
Concrete, above-mentioned first generation module and the second generation module correspond to step S261 in embodiment two to step S262, and the example that two modules and corresponding step realize is identical with application scenarios, but is not limited to the content disclosed in above-described embodiment two.It should be noted that, above-mentioned module may operate in the transmission client 10 that embodiment one provides as the part of device, can pass through software simulating, also can pass through hardware implementing.
It should be noted that herein, in the above embodiments of the present application, successful for verification data segment is being forwarded by the first transmission channel, and after check code corresponding for each data segment is forwarded by the second transmission channel, can receive by receiving client each data segment sending client and forward successively, and receive check code corresponding to each data segment; Receive client generates each data segment successively check value in this locality; The check value of data segment mates with the corresponding check code received after often generating the check value of a data segment by reception client, if coupling is consistent, then preserves data segment, if mate inconsistent, then informs that sending client data section sends unsuccessfully.
Preferably, while being undertaken forwarding by the first transmission channel by the successful data segment of verification, memory space value corresponding for the data segment being used for preserving verification succeeds is forwarded by the first transmission channel by virtual receiver module simultaneously; Wherein, receive client and generate the check value of each data segment in this locality successively, and embodiment detailed as follows can be adopted in the step receiving client and often generate the check value of a data segment: receive client and read the data segment be currently received and memory space value corresponding to the data segment be currently received; After the memory space value corresponding according to the data segment be currently received creates a verification memory space, the data segment be currently received is saved to verification memory space, the reception file that the data segment that generation is currently received is corresponding; Predetermined checking algorithm docking message in-coming part is used to carry out checking treatment, the check value that the data segment that generation is currently received is corresponding.
In the above embodiments of the present application, before execution first transport module 52 completes the data block of file to be transmitted is divided into n data segment, said apparatus can also comprise: a cutting module performs and File cutting to be transmitted is become m data block, and the size of self-defined each data block, wherein, before each data block of transmission, create two independently transmission channels, two the first transmission channels independently in transmission channel are used for transmission data block, and two the second transmission channels independently in transmission channel are used for check code corresponding to transmission data block.
As can be seen from the above description, present invention achieves following technique effect: achieve the living document block check of the local file verification before by transmission in conjunction with transmitting procedure to reduce transmission corrupt data, there is lower transmission corrupt data rate.Thus achieve the technique effect reducing transfer files risk of error, and then solve the technical problem of the risk that cannot reduce transfer files mistake.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed client, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
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 be considered as protection scope of the present invention.
Claims (13)
1. transmit a method of calibration for data, it is characterized in that, comprising:
Send client at this simulation virtual receiver module;
After the data block of file to be transmitted is divided into n data segment, by the first transmission channel, a described n data segment is transferred to described virtual receiver module successively;
Often transmit a data segment, generate a corresponding check code, and check code corresponding for each data segment is sent to described virtual receiver module by the second transmission channel successively;
Described virtual receiver module verifies successively to the data segment received successively, successful for verification data segment is forwarded by described first transmission channel, and check code corresponding for the data segment of described verification succeeds is forwarded by described second transmission channel.
2. method according to claim 1, it is characterized in that, described virtual receiver module is for the network transmission channels of simulating described transmission client and receive between client, wherein, the sending module of described transmission client adopts the network transmission protocol to communicate with between described virtual receiver module, and the transmission channel between described sending module and described virtual receiver module comprises described first transmission channel and described second transmission channel.
3. method according to claim 1, is characterized in that, often transmits a data segment, and the step generating a corresponding check code comprises:
The data segment carrying out transmitting current in a described n data segment is kept in default memory space, generates the transmission file that this data segment is corresponding;
Use predetermined checking algorithm to carry out checking treatment to described transmission file, generate the check code that the described current data segment carrying out transmitting is corresponding;
Wherein, the size of the data block that described default memory space is corresponding with a described n data segment is identical.
4. method according to claim 3, it is characterized in that, successful for verification data segment is being forwarded by described first transmission channel, and after being forwarded by described second transmission channel by check code corresponding for each data segment, described method also comprises:
Receive each data segment that client receives the forwarding of described transmission client successively, and receive check code corresponding to each data segment;
Described reception client generates the check value of each described data segment successively in this locality;
After described reception client often generates the check value of a data segment, the check value of described data segment is mated with the corresponding check code received, if coupling is consistent, then preserves described data segment, if mate inconsistent, then inform that described in described transmission client, data segment sends unsuccessfully.
5. method according to claim 4, it is characterized in that, while being undertaken forwarding by described first transmission channel by the successful data segment of verification, memory space value corresponding for the data segment being used for preserving described verification succeeds is forwarded by described first transmission channel by described virtual receiver module simultaneously; Wherein,
Described reception client generates the check value of each described data segment successively in this locality, and comprises in the step that described reception client often generates the check value of a data segment:
Described reception client read the data segment that is currently received and described in memory space value corresponding to the data segment that is currently received;
After the memory space value that the data segment be currently received described in basis is corresponding creates a verification memory space, the described data segment be currently received is saved to described verification memory space, the reception file that the data segment be currently received described in generation is corresponding;
Described predetermined checking algorithm is used to carry out checking treatment to described reception file, the check value that the data segment be currently received described in generation is corresponding.
6. method according to claim 1, is characterized in that, before the data block of file to be transmitted is divided into n data segment, described method also comprises:
Described File cutting to be transmitted is become m data block, and the size of self-defined each data block, wherein, before the described each data block of transmission, create two independently transmission channels, described two the first transmission channels independently in transmission channel are for transmitting described data block, and described two the second transmission channels independently in transmission channel are for transmitting check code corresponding to described data block.
7. method according to claim 1, is characterized in that, in units of byte, the data block of file to be transmitted is divided into n data segment, and wherein, the size of described data segment is the data field of byte unit size.
8. transmit a calibration equipment for data, it is characterized in that, comprising:
Analog module, for sending client at this simulation virtual receiver module;
First transport module, for after the data block of file to be transmitted is divided into n data segment, transfers to described virtual receiver module by the first transmission channel by a described n data segment successively;
Second transport module, for often transmitting a data segment, generating a corresponding check code, and check code corresponding for each data segment is sent to described virtual receiver module by the second transmission channel successively;
Local checking treatment module, for described virtual receiver module, the data segment received successively is verified successively, successful for verification data segment is forwarded by described first transmission channel, and check code corresponding for the data segment of described verification succeeds is forwarded by described second transmission channel.
9. device according to claim 8, it is characterized in that, described virtual receiver module is for the network transmission channels of simulating described transmission client and receive between client, wherein, the sending module of described transmission client adopts the network transmission protocol to communicate with between described virtual receiver module, and the transmission channel between described sending module and described virtual receiver module comprises described first transmission channel and described second transmission channel.
10. device according to claim 8, is characterized in that, described second transport module comprises:
First generation module, for being kept in default memory space by the data segment carrying out transmitting current in a described n data segment, generates the transmission file that this data segment is corresponding;
Second generation module, for using predetermined checking algorithm to carry out checking treatment to described transmission file, generates the check code that the described current data segment carrying out transmitting is corresponding;
Wherein, the size of the data block that described default memory space is corresponding with a described n data segment is identical.
11. devices according to claim 8, is characterized in that, described device also comprises:
Cutting module, for described File cutting to be transmitted is become m data block, and the size of self-defined each data block, wherein, before the described each data block of transmission, create two independently transmission channels, described two the first transmission channels independently in transmission channel are for transmitting described data block, and described two the second transmission channels independently in transmission channel are for transmitting check code corresponding to described data block.
12. 1 kinds of check systems transmitting data, is characterized in that, comprising:
Send client, for at this simulation virtual receiver module, after the data block of file to be transmitted is divided into n data segment, by the first transmission channel, a described n data segment is transferred to described virtual receiver module successively, simultaneously, often transmit a data segment, generate a corresponding check code, and check code corresponding for each data segment is sent to described virtual receiver module by the second transmission channel successively, and the data segment received successively is verified successively, successful for verification data segment is forwarded by described first transmission channel, and check code corresponding for the data segment of described verification succeeds is forwarded by described second transmission channel.
13. systems according to claim 12, is characterized in that, described system also comprises:
Receive client, for receiving each data segment that described transmission client forwards successively, and receive check code corresponding to each data segment, after this locality generates the check value of each described data segment successively, the check value of described data segment is mated with the corresponding check code received, if coupling is consistent, then preserves described data segment, if mate inconsistent, then inform that described in described transmission client, data segment sends unsuccessfully.
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