CN104780215A - File transfer system and method thereof - Google Patents
File transfer system and method thereof Download PDFInfo
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- CN104780215A CN104780215A CN201510191245.1A CN201510191245A CN104780215A CN 104780215 A CN104780215 A CN 104780215A CN 201510191245 A CN201510191245 A CN 201510191245A CN 104780215 A CN104780215 A CN 104780215A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention relates to a file transfer system and a method thereof. The file transfer system comprises a portal client, an extranet login server, a file transfer server, an IM Mars client and an intranet login server, wherein the portal client is connected with the extranet login server and is used for transmitting file data to be transferred; the file transfer server is used for linking the portal client and the IM Mars client, receiving the file data from the portal client and transmitting the file data to the IM Mars client; the IM Mars client is connected with the intranet login server and is used for receiving the file data from the file transfer server. According to the invention, compared to the prior art, the one-way transfer when transmitting the file is realized by connecting the two clients with the extranet login server and the intranet login server respectively, so as to ensure the security of the file. The invention further relates to a method for applying the file transfer system.
Description
Technical field
The present invention relates to a kind of document transmission system, the document transmission system that particularly a kind of efficiency of transmission is high; The invention still further relates to a kind of document transmission method being applied to described document transmission system.
Background technology
File transfer is that a file or a part are wherein passed to another computer system from a computer system, needs to follow certain host-host protocol when transmitting.
In order to realize file transfer, traditional transmission means comprises mode such as use mailbox, net dish etc.But, due to this file need user first on a certain computer by files passe to server; File download is preserved by this server by another computer system again.So, the delay of transfer of data can be caused, need after files passe, can be downloaded by another computer system, operation inconvenience.
For above-mentioned defect, existingly provide another kind of file, as the transmission of IM client, such as QQ client.Directly by login two clients, directly form file transfer passage in two clients, directly realize file transfer.But what traditional file carried out data is transparent processing, and is confined to public network environment, lack protection for there being the Enterprise Data transmission of demand for security.And, for enterprise-level file data transfer, situation about identical file repeatedly being transmitted often can be there is.So, conventional art can cause constantly being uploaded by file, then carries out transfer transmission, have impact on file transmission efficiency.
Summary of the invention
The invention reside in the shortcoming that overcomes prior art with not enough, provide that a kind of transmission speed is fast, the document transmission system of transmission security and method.
The present invention is realized by following technical scheme: a kind of document transmission system, and it comprises transmission gate client, outer net logon server, Ftp server, IM Mars client and Intranet logon server;
Described transmission gate client is connected with outer net logon server, for sending the file data needing to transmit;
Described Ftp server, for linking transmission gate client and IM Mars client, receives the file data from transmission gate client, and is sent to IM Mars client;
Described IM Mars client is connected with Intranet logon server, for receiving the file data from Ftp server.
Compared to prior art, the present invention is by being connected two clients with the logon server of Inside and outside network respectively, realize one-way transmission during file transfer, namely realizing being merely able to be transmitted by transmission gate phase IM Mars client when transmitting file, therefore ensure that the fail safe of file.
Further, also comprise an address server, be provided with a client ip storehouse, for recording the smooth degree of different clients ip to different server; When transmission gate initiates logging request to outer net logon server, send the configuration information of host-host protocol and corresponding Ftp server to outer net logon server by this address server, and be sent to transmission gate client and IM Mars client respectively by this outer net logon server.Further, in order to accelerate transmission speed, for the flow process degree of the file server corresponding to different clients IP, the distribution of file server can be carried out by address server, thus ensure that the speed of file server when transmitting is faster.
Further, when described transmission gate client initiates link to file transfer transmission server, the unique identification of the file that first will transmit is sent to Ftp server; This Ftp server searches whether there is this cache file in cloud transmission network; If exist, then directly cache file is sent to IM Mars client by this Ftp server.Detecting in cloud transmission network further, if identical file detected, then without the need to performing the step uploaded again, directly transmitting to IM Mars client from server end, avoid file repeat upload, accelerate efficiency of transmission.Simultaneously in whole transmitting procedure, the file unique identification obtained is calculated according to passing through before transmission, if transmission server finds that there is multiple client node transmitting identical file data, transmission server can notify that corresponding client " shares " data oneself received, between different client nodes, carry out P2P point-to-point transmission simultaneously, accelerate efficiency of transmission further.
Further, described transfer files server, before carrying out file transfer, first carries out piecemeal according to current network interruption rate and file transfer size to the file that will transmit, and then carries out block transmission to file; In transmitting procedure, test the speed according to network, server load detection and grid module detect, dynamically piecemeal change is carried out to this file.Because existing file block transmits, mostly the size of piecemeal is fixing or simply increases and decreases according to current network condition; And file block transmission used in the present invention, according to the interruption rate in transmitting procedure, and the size of transfer files, obtain optimum point block size, comprehensive aforesaid network tests the speed again, and server load detects, the technology such as grid module detection, in transmitting procedure, realize dynamic change, thus reach the transmission rate higher than traditional partitioned mode.
Further, described IM Mars client verifies each block data received; When finding that data block is imperfect, then again this data block is transmitted by Ftp server.Due to existing breakpoint transmission technology, normally receive the laggard row data integrity verifying of whole file at receiving terminal, if find loss of data or damage, just abandon data and retransmit, this mode can effectively prevent file data imperfect; But this mode is for transmission large data files or the bad client of network condition, can the resource of at substantial, greatly affect transmission speed, even also can cause network congestion.Breakpoint transmission technology in the present invention, data check can be carried out to the data of each piecemeal, if find, data are imperfect, can abandon in time and retransmit this data block, the effective like this loss avoiding data re-transmission and bring, in transmitting procedure, carry out encryption simultaneously, made whole transfer of data safer.
A kind of document transmission method, it comprises step:
Step 1:IM Mars client and transmission gate client initiate logging request respectively to inside and outside logon server and outer net logon server;
Step 2: after Intranet logon server and outer net logon server pass through IM Mars client and transmission gate client validation, initiates file transfer request by transmission gate client to outer net logon server;
Step 3: the configuration information of transportation protocol and corresponding Ftp server is sent to IM Mars client and transmission gate client respectively by outer net logon server;
Step 4:IM Mars client and transmission gate client are initiated link and verify to Ftp server;
Step 5: after IM Mars client and transmission gate client complete verified link, transmission gate client and IM Mars client carry out transfer by Ftp server, form data transmission channel, and carry out file transfer.
Further, in described step 3, be specially at the configuration information obtaining Ftp server: by address server according to the smooth degree between different IP to different server, obtain the configuration information of the Ftp server corresponding to IP of transmission gate client and IM Mars client.
Further, in step 4, when transmission gate client initiates link to file transfer transmission server, the unique identification of the file that first will transmit is sent to Ftp server; This Ftp server searches whether there is this cache file in cloud transmission network; If exist, then directly cache file is sent to IM Mars client by this Ftp server.
Further, in described step 5, before carrying out file transfer, first according to current network interruption rate and file transfer size, piecemeal is carried out to the file that will transmit, and then block transmission is carried out to file; In transmitting procedure, test the speed according to network, server load detection and grid module detect, dynamically piecemeal change is carried out to this file.
Further, in described step 5, IM Mars client verifies each block data; When finding that data block is imperfect, then again this data block is transmitted.
In order to understand better and implement, describe the present invention in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the connection diagram of document transmission system of the present invention.
Fig. 2 is the flow chart of steps of document transmission method of the present invention.
Embodiment
Refer to Fig. 1, it is the connection diagram of document transmission system of the present invention.Document transmission system of the present invention, it comprises transmission gate client 1, outer net logon server 2, Ftp server 3, IM Mars client 4 and Intranet logon server 5.
Described transmission gate client 1 is connected with outer net logon server 2, for sending the file data needing to transmit;
Described Ftp server 3, for linking transmission gate client 1 and IM Mars client 4, receives the file data from transmission gate client 1, and is sent to IM Mars client 4;
Described IM Mars client 4 is connected with Intranet logon server 5, for receiving the file data from Ftp server 3.
Further, also comprise an address server 6, be provided with a client ip storehouse, for recording the smooth degree of different clients ip to different server; When transmission gate initiates logging request to outer net logon server, send the configuration information of host-host protocol and corresponding Ftp server to outer net logon server by this address server, and be sent to transmission gate client and IM Mars client respectively by this outer net logon server.Further, in order to accelerate transmission speed, for the flow process degree of the file server corresponding to different clients IP, the distribution of file server can be carried out by address server, thus ensure that the speed of file server when transmitting is faster.
Below, the present invention also provides a kind of document transmission method applying above-mentioned document transmission system, and it comprises step:
S1:IM Mars client and transmission gate client initiate logging request respectively to inside and outside logon server and outer net logon server;
Concrete, when logging in, IM Mars client and transmission gate client use identical account and password.So, can ensure, by identical user, file is transferred to oneself IM Mars client in Intranet by outer net.
S2: after Intranet logon server and outer net logon server pass through IM Mars client and transmission gate client validation, initiates file transfer request by transmission gate client to outer net logon server.
S3: the configuration information of transportation protocol and corresponding Ftp server is sent to IM Mars client and transmission gate client respectively by outer net logon server.
Further, in described step 3, be specially at the configuration information obtaining Ftp server: by address server according to the smooth degree between different IP to different server, obtain the configuration information of the Ftp server corresponding to IP of transmission gate client and IM Mars client.For the flow process degree of the file server corresponding to different clients IP, the distribution of file server can be carried out by address server, thus ensure that the speed of file server when transmitting is faster.
S4:IM Mars client and transmission gate client are initiated link and verify to Ftp server;
Further, in step 4, when transmission gate client initiates link to file transfer transmission server, the unique identification of the file that first will transmit is sent to Ftp server; This Ftp server searches whether there is this cache file in cloud transmission network; If exist, then directly cache file is sent to IM Mars client by this Ftp server.
Detecting in cloud transmission network further, if identical file detected, then without the need to performing the step uploaded again, directly transmitting to IM Mars client from server end, avoid file repeat upload, accelerate efficiency of transmission.Simultaneously in whole transmitting procedure, the file unique identification obtained is calculated according to passing through before transmission, if transmission server finds that there is multiple client node transmitting identical file data, transmission server can notify that corresponding client " shares " data oneself received, between different client nodes, carry out P2P point-to-point transmission simultaneously, accelerate efficiency of transmission further.
S5: after IM Mars client and transmission gate client complete verified link, transmission gate client and IM Mars client carry out transfer by Ftp server, form data transmission channel, and carry out file transfer.
Further, in described step 5, before carrying out file transfer, first according to current network interruption rate and file transfer size, piecemeal is carried out to the file that will transmit, and then block transmission is carried out to file; In transmitting procedure, test the speed according to network, server load detection and grid module detect, dynamically piecemeal change is carried out to this file.Because existing file block transmits, mostly the size of piecemeal is fixing or simply increases and decreases according to current network condition; And file block transmission used in the present invention, according to the interruption rate in transmitting procedure, and the size of transfer files, obtain optimum point block size, comprehensive aforesaid network tests the speed again, and server load detects, the technology such as grid module detection, in transmitting procedure, realize dynamic change, thus reach the transmission rate higher than traditional partitioned mode.
Further, in described step 5, IM Mars client verifies each block data; When finding that data block is imperfect, then again this data block is transmitted.Due to existing breakpoint transmission technology, normally receive the laggard row data integrity verifying of whole file at receiving terminal, if find loss of data or damage, just abandon data and retransmit, this mode can effectively prevent file data imperfect; But this mode is for transmission large data files or the bad client of network condition, can the resource of at substantial, greatly affect transmission speed, even also can cause network congestion.Breakpoint transmission technology in the present invention, data check can be carried out to the data of each piecemeal, if find, data are imperfect, can abandon in time and retransmit this data block, the effective like this loss avoiding data re-transmission and bring, in transmitting procedure, carry out encryption simultaneously, made whole transfer of data safer.
S6:IM Mars client receives file, and stored in corresponding file.
Described IM Mars client can write data into when receiving file in a temporary file under self-defined store path, and the suffix after transfer is completed by changing temporary file says that temporary file replaces with file destination.
S7: after end of file transfer, transmission gate client disconnects and logs in linking between outer net logon server, and IM Mars client keeps linking between Intranet logon server.
The connection of described IM Mars client maintenance and Intranet game server, and between transmission gate client and outer net game server, be a short connection, only just log in transmission gate client when needs transmit file.
Below by way of an example, brief description is carried out to document transmission system of the present invention and method thereof:
First user logs in IM Mars client at PC end or mobile terminal, makes the connection between the maintenance of IM Mars client with Intranet logon server.
Then, log in transmission gate client, transmission gate client sends transfer files request.Now, address server according to the smooth degree between different IP to different server, can obtain the configuration information of the Ftp server corresponding to IP of transmission gate client and IM Mars client.
The unique identification of the file that transmission gate client will be transmitted again is sent to Ftp server; This Ftp server searches whether there is this cache file in cloud transmission network; If exist, then directly cache file is sent to IM Mars client by this Ftp server.
If do not exist, then by transmission gate client, file block is uploaded to Ftp server, by Ftp server, block data is transferred to IM Mars client.Before carrying out file transfer, first according to current network interruption rate and file transfer size, piecemeal is carried out to the file that will transmit, and then block transmission is carried out to file; In transmitting procedure, test the speed according to network, server load detection and grid module detect, dynamically piecemeal change is carried out to this file.
When IM Mars client receives file, IM Mars client verifies each block data; When finding that data block is imperfect, then again this data block is transmitted.
After file reception, described IM Mars client can write data into when receiving file in a temporary file under self-defined store path, and the suffix after transfer is completed by changing temporary file says that temporary file replaces with file destination.
Finally, when after end of file transfer, transmission gate client disconnects and logs in linking between outer net logon server, and IM Mars client keeps linking between Intranet logon server.
Compared to prior art, the present invention is by being connected two clients with the logon server of Inside and outside network respectively, realize one-way transmission during file transfer, namely realizing being merely able to be transmitted by transmission gate phase IM Mars client when transmitting file, therefore ensure that the fail safe of file.
The present invention is not limited to above-mentioned execution mode, if do not depart from the spirit and scope of the present invention to various change of the present invention or distortion, if these are changed and distortion belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these changes and distortion.
Claims (10)
1. a document transmission system, is characterized in that: comprise transmission gate client, outer net logon server, Ftp server, IM Mars client and Intranet logon server;
Described transmission gate client is connected with outer net logon server, for sending the file data needing to transmit;
Described Ftp server, for linking transmission gate client and IM Mars client, receives the file data from transmission gate client, and is sent to IM Mars client;
Described IM Mars client is connected with Intranet logon server, for receiving the file data from Ftp server.
2. document transmission system according to claim 1, is characterized in that: also comprise an address server, is provided with a client ip storehouse, for recording the smooth degree of different clients ip to different server; When transmission gate initiates logging request to outer net logon server, send the configuration information of host-host protocol and corresponding Ftp server to outer net logon server by this address server, and be sent to transmission gate client and IM Mars client respectively by this outer net logon server.
3. document transmission system according to claim 1, is characterized in that: when described transmission gate client initiates link to file transfer transmission server, the unique identification of the file that first will transmit is sent to Ftp server; This Ftp server searches whether there is this cache file in cloud transmission network; If exist, then directly cache file is sent to IM Mars client by this Ftp server.
4. document transmission system according to claim 1, it is characterized in that: described transfer files server is before carrying out file transfer, first according to current network interruption rate and file transfer size, piecemeal is carried out to the file that will transmit, and then block transmission is carried out to file; In transmitting procedure, test the speed according to network, server load detection and grid module detect, dynamically piecemeal change is carried out to this file.
5. document transmission system according to claim 4, is characterized in that: described IM Mars client verifies each block data received; When finding that data block is imperfect, then again this data block is transmitted by Ftp server.
6. a document transmission method, is characterized in that: comprise step:
Step 1:IM Mars client and transmission gate client initiate logging request respectively to inside and outside logon server and outer net logon server;
Step 2: after Intranet logon server and outer net logon server pass through IM Mars client and transmission gate client validation, initiates file transfer request by transmission gate client to outer net logon server;
Step 3: the configuration information of transportation protocol and corresponding Ftp server is sent to IM Mars client and transmission gate client respectively by outer net logon server;
Step 4:IM Mars client and transmission gate client are initiated link and verify to Ftp server;
Step 5: after IM Mars client and transmission gate client complete verified link, transmission gate client and IM Mars client carry out transfer by Ftp server, form data transmission channel, and carry out file transfer.
7. document transmission method according to claim 6, it is characterized in that: in described step 3, be specially at the configuration information obtaining Ftp server: by address server according to the smooth degree between different IP to different server, obtain the configuration information of the Ftp server corresponding to IP of transmission gate client and IM Mars client.
8. document transmission method according to claim 6, is characterized in that: in step 4, and when transmission gate client initiates link to file transfer transmission server, the unique identification of the file that first will transmit is sent to Ftp server; This Ftp server searches whether there is this cache file in cloud transmission network; If exist, then directly cache file is sent to IM Mars client by this Ftp server.
9. document transmission method according to claim 6, is characterized in that: in described step 5, before carrying out file transfer, first carries out piecemeal according to current network interruption rate and file transfer size to the file that will transmit, and then carries out block transmission to file; In transmitting procedure, test the speed according to network, server load detection and grid module detect, dynamically piecemeal change is carried out to this file.
10. document transmission method according to claim 9, it is characterized in that: in described step 5, IM Mars client verifies each block data; When finding that data block is imperfect, then again this data block is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510191245.1A CN104780215A (en) | 2015-04-21 | 2015-04-21 | File transfer system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510191245.1A CN104780215A (en) | 2015-04-21 | 2015-04-21 | File transfer system and method thereof |
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| CN201510191245.1A Pending CN104780215A (en) | 2015-04-21 | 2015-04-21 | File transfer system and method thereof |
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| CN106060179A (en) * | 2016-08-18 | 2016-10-26 | 成都索贝数码科技股份有限公司 | Remote cross-intercontinental file forwarding transmission method based on node forwarding |
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| CN107104938A (en) * | 2016-02-19 | 2017-08-29 | 胡雪松 | Establishing a secure data exchange channel |
| CN108449415A (en) * | 2018-03-27 | 2018-08-24 | 深圳中兴网信科技有限公司 | Method of data synchronization, data synchronization unit, computer equipment and storage medium |
| CN109120651A (en) * | 2018-11-07 | 2019-01-01 | 成都华栖云科技有限公司 | A kind of realization method and system improving teaching network file transmission fluency |
| CN112202795A (en) * | 2020-09-30 | 2021-01-08 | 腾讯科技（深圳）有限公司 | Data processing method, gateway equipment and medium |
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Application publication date: 20150715 |