CN104601708A - Vehicle-mounted device and multi-channel loading method thereof - Google Patents
Vehicle-mounted device and multi-channel loading method thereof Download PDFInfo
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- CN104601708A CN104601708A CN201510031881.8A CN201510031881A CN104601708A CN 104601708 A CN104601708 A CN 104601708A CN 201510031881 A CN201510031881 A CN 201510031881A CN 104601708 A CN104601708 A CN 104601708A
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- bag
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- version number
- subdata
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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
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The invention discloses a vehicle-mounted device. The vehicle-mounted device comprises a parameter packet downloading module for downloading a first upgrading parameter packet, a comparing module for comparing whether the first version number corresponding to the first parameter upgrading packet is equal to the version number corresponding to the current parameter packet of the vehicle-mounted device, a multi-channel downloading module for downloading a plurality of first secondary data packets corresponding to the first upgrading parameter packets from a data packet server if the first version number is not equal to the version number corresponding to the current parameter packet. The invention further discloses a multi-channel loading method of the vehicle-mounted device. The method comprises the steps of downloading the first upgrading parameter packet from the parameter packet server; comparing whether the first version number corresponding to the first upgrading parameter packet is equal to the version number corresponding to the current parameter packet of the vehicle-mounted device; downloading a plurality of first secondary data packets corresponding to the first upgrading parameter packets from a data packet server if the first version number is not equal to the version number corresponding to the current parameter packet. According to the method, the new data packet is distributed and downloaded through a plurality of channels, thus the downloading speed can be increased, and the extra traffic consumption can be decreased.
Description
Technical field
The invention belongs to the communications field, specifically, relate to a kind of mobile unit and multichannel method for down loading thereof.
Background technology
Current mobile unit uses 2G Internet Transmission mostly, when upgrading to mobile unit, many employing FTP download, can ensure that the method for download file is simple, file is complete, platform is generally adopted to issue upgrade command when downloading, point out path and the filename of download file, then connect FTP voluntarily by car-mounted terminal and serve the upgrade file downloaded and specify, after file download completes, mobile unit auto-update is also restarted.
FTP is agreement transmission control protocol/Internet protocol (TCP/IP) network transmitting file between two computers, is one of agreement used the earliest on TCP/IP network and the Internet, belongs to the application layer of network protocol suite.Ftp client can send request to ftp server, from ftp server download file, to ftp server upload file, and can create or change the catalogue on ftp server.
Because file download adopts 2G network, so be limited to the transmission technology of 2G network in transmission speed.Subpackage process is not carried out to file when ftp file is downloaded, greatly can increase when file bag is larger and download the transmission time, and vehicle-mountedly may be in high-speed motion state, Internet Transmission may caused to interrupt through the region of poor signal, so the number of times of repeated downloads identical file will increase, consume unnecessary flow, increase and download cost.
As can be seen from the above, 2G network is used to there is following defect so far under FTP downloading mode: (1) speed of download is slow; (2) during unstable networks, be easily interrupted when downloading large packet, cause repeated downloads, increase traffic consumes; (3) mobile unit can be caused cannot to receive down loading updating instruction after remote server change.
Summary of the invention
For solving above-mentioned prior art Problems existing, the invention provides a kind of mobile unit and multichannel method for down loading thereof, the multi-path download module that this mobile unit has can carry out distribution download by some subdata bags corresponding to upgrade parameter bag, solves the problem that speed of download is slow, download time is long.
In order to reach foregoing invention object, present invention employs following technical scheme:
A kind of mobile unit, comprising: parameter bag download module, for downloading the first upgrade parameter bag from parameter packet server; Whether comparison module, equal version number corresponding to mobile unit parameter current bag for the first version number that more described first parameter AKU is corresponding; Multi-path download module, when being not equal to version number corresponding to described parameter current bag for the first version number corresponding when described first upgrade parameter bag, downloads some first subdata bags corresponding to described first upgrade parameter bag from data packet services device.
Further, described mobile unit also comprises: parsing module, for resolving described first upgrade parameter bag, to obtain first version number corresponding to described first upgrade parameter bag.
Whether further, described mobile unit also comprises: correction verification module, complete for verifying described first subdata bag; Wherein, when the described first subdata bag of described correction verification module verification is imperfect, described multi-path download module thinks highly of newly downloaded incomplete described first subdata bag from described data packet services.
Further, described mobile unit also comprises: group bag module, for when each first subdata bag of described correction verification module verification is complete, is the first total data bag by described some first subdata package bags.
Further, described correction verification module verifies described first total data bag further; Wherein, when described correction verification module verifies unsuccessfully described first total data bag, described multi-path download module downloads the second upgrade parameter bag from described parameter packet server, and again the second edition number with the described mobile unit parameter current bag corresponding version number of described second upgrade parameter bag after resolving is compared, when the second edition number that described second upgrade parameter bag is corresponding is not equal to version number corresponding to described parameter current bag, download some second subdata bags corresponding to described second upgrade parameter bag from described data packet services device.
Another object of the present invention is to the multichannel method for down loading providing a kind of mobile unit, comprising: download the first upgrade parameter bag from parameter packet server; Whether the first version number that more described first parameter AKU is corresponding equals version number corresponding to mobile unit parameter current bag; If the first version number that described first upgrade parameter bag is corresponding is not equal to version number corresponding to described parameter current bag, then download some first subdata bags corresponding to described first upgrade parameter bag from data packet services device.
Further, before whether the first version number that more described first upgrade parameter bag is corresponding equals version number corresponding to mobile unit parameter current bag, described multichannel method for down loading also comprises: resolve described first upgrade parameter bag, to obtain first version number corresponding to described first upgrade parameter bag.
Further, described multichannel method for down loading also comprises: whether completely verify described first subdata bag; Wherein, if described first subdata bag is imperfect, then think highly of newly downloaded incomplete described first subdata bag from described data packet services.
Further, described multichannel method for down loading also comprises: if each first subdata bag is complete, be then the first total data bag by described some first subdata package bags.
Further, described multichannel method for down loading also comprises: verify described first total data bag; Wherein, if verify unsuccessfully to described first total data bag, then download the second upgrade parameter bag from described parameter packet server, and again the second edition number with the described mobile unit parameter current bag corresponding version number of described second upgrade parameter bag after resolving is compared, when the second edition number that described second upgrade parameter bag is corresponding is not equal to version number corresponding to described parameter current bag, download some second subdata bags corresponding to described second upgrade parameter bag from described parameter packet server.
The present invention distributes download by utilizing multi-path download module to carry out multichannel, can accelerate file downloading speed, reduce individual data bag download time, reduce interrupted risk in transmission of data packets, thus reduce traffic consumes; In addition, this mobile unit can be downloaded up-to-date upgrade parameter bag and has judged whether that new procedures bag needs to download from data packet services device by Connecting quantity packet server, avoids relying on backstage environment.
Accompanying drawing explanation
The following description carried out in conjunction with the drawings, the above-mentioned and other side of embodiments of the invention, feature and advantage will become clearly, in accompanying drawing:
Fig. 1 is a kind of according to an embodiment of the invention structure chart of mobile unit;
Fig. 2 is a kind of according to an embodiment of the invention flow chart of steps of multichannel method for down loading of mobile unit.
Embodiment
Below, embodiments of the invention are described in detail with reference to the accompanying drawings.But, the present invention can be implemented in many different forms, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, provide these embodiments to be to explain principle of the present invention and practical application thereof, thus enable others skilled in the art understand various embodiment of the present invention and be suitable for the various amendments of certain expected application.
Fig. 1 is a kind of according to an embodiment of the invention structure chart of mobile unit.
With reference to Fig. 1, a kind of according to an embodiment of the invention mobile unit comprises parameter bag download module 10, for downloading the first upgrade parameter bag from parameter packet server 21, wherein, first upgrade parameter bag refers generally to the up-to-date upgrade parameter bag (version number is higher than the version number of mobile unit parameter current bag) on parameter packet server 21, if when need demote to the data on mobile unit, the first upgrade parameter bag refers to the old upgrade parameter bag (version number is lower than the version number of mobile unit parameter current bag) on parameter packet server 21; Comparison module 30, version number corresponding to mobile unit parameter current bag whether is equaled for the first version number compared through the first upgrade parameter bag of parameter bag download module 10 download is corresponding, that is, the version number that comparison module 30 is corresponding respectively to the first upgrade parameter bag and parameter current bag compares, in order to judge whether that new packets need is downloaded; Multi-path download module 40, for downloading some first sub-packets corresponding to the first upgrade parameter bag from data packet services device 22.
Above-mentioned mobile unit also comprises: parsing module 50, obtains first version number corresponding to the first upgrade parameter bag for resolving the first upgrade parameter bag; Group bag module 60, for being packaged by the some first subdata bags obtained after downloading through multi-path download module 40, obtains the first total data bag; Correction verification module 70, for verifying some first sub-packets of obtaining after downloading through multi-path download module 40 and the first total data bag of obtaining after group bag module 60 groups of bags, with judge some first subdata bags of obtaining after multi-path download module 40 is downloaded and the first total data bag obtained after group bag module 60 groups of bags whether complete.
Before it should be noted that group bag module 60 packages to the some first subdata bags obtained after multi-path download module 40 download, the integrality of correction verification module 70 to above-mentioned some first subdata bags is first needed to verify; Only have when verifying each first subdata bag through correction verification module 70 and being complete, group bag module 60 just packages to some first subdata bags; Otherwise multi-path download module 40 needs to re-start download to the incomplete first subdata bag of verification, completely just can to package until verify.
Described in the multichannel method for down loading of above-mentioned mobile unit is specific as follows.
Fig. 2 is a kind of according to an embodiment of the invention flow chart of steps of multichannel method for down loading of mobile unit.
With reference to Fig. 2, comprising the steps: of a kind of according to an embodiment of the invention multichannel method for down loading of mobile unit
In step 110, the first upgrade parameter bag is downloaded from parameter packet server 21.
It should be noted that the parameter packet server 21 providing above-mentioned first upgrade parameter bag to download only provides the download of upgrade parameter bag, and provide the parameter packet server 21 of the first upgrade parameter bag also to there is backup server; The server address that first upgrade parameter bag can parse its correspondence some subdata bags after having downloaded are deposited; So the number that can use server is in theory 3, be respectively: parameter packet server 21, the data message such as path, size that the first upgrade parameter bag is downloaded is provided; Backup parameter server, parameter packet server 21 short-term or invalid for a long time after, equipment can switch so far, is provided the download of the first upgrade parameter bag by it; And data packet services device 22, provide effective data file to download, the download of the some first subdata bags namely providing the first upgrade parameter bag corresponding.
In the step 120, compare the first parameter AKU corresponding first version number and whether equal version number corresponding to mobile unit parameter current bag.
Preferably, the first version number that the first parameter AKU of being downloaded from parameter packet server 21 by parameter bag download module 10 after needing to open this mobile unit to first time respectively of parsing module 50 is corresponding is resolved; Then comparison module 30 compares the first upgrade parameter Packet analyzing first version out number version number corresponding with parameter current bag on mobile unit again, that is, first version number with parameter current bag this mobile unit on a corresponding version number corresponding to the first parameter AKU compares, to judge whether that new packets need is downloaded.
In step 130, if first version number corresponding to the first upgrade parameter bag is not equal to version number corresponding to parameter current bag, then some first subdata bags corresponding to the first upgrade parameter bag are downloaded from data packet services device 22.
If comparison module 30 comparison finds in step 120, the first version number that the first upgrade parameter bag is corresponding equals version number corresponding to parameter current bag, then without the need to carrying out step 130 and subsequent operation, namely finding no new data packets needs to download.
It should be noted that, multi-path download module 40 is in the process downloaded some first subdata bags in step 130, and what take is distribute to download; If namely there are 24 the first subdata bags to need download (to be labeled as 1 respectively
#~ 24
#first subdata bag), and multi-path download module 40 has 3 download channel, then first a state array is generated to 24 the first subdata bags to be downloaded, be respectively: download, do not download and download, and the operating state of 3 download channel is respectively: dormancy, free time and busy; When available free download channel being detected, then from 1
#~ 24
#sequential search in first subdata bag, just distribute to it after finding the first subdata bag of non-download state and download, repetitive operation successively, until the download completing all first subdata bags.
In mobile unit in an embodiment of the present invention, when adopting multi-path download module 40 to carry out distribution download to some first sub-packets, each download channel in multi-path download module 40 can after having downloaded a first subdata bag, continue to select to download the first subdata bag also not starting in above-mentioned some first subdata bags to download, so operation is until the first all subdata bags has all been downloaded.Multi-path download module 40 is adopted to carry out some first subdata bags distributing the method downloaded, the speed of download of packet can be accelerated, the risk that packet interrupts downloading in downloading process can be reduced, the repeated downloads problem caused of having no progeny in preventing simultaneously, thus the consumption reducing flow.
In step 140, whether completely some first subdata bags are verified; If the first subdata bag is imperfect, then again download incomplete first subdata bag from data packet services device 22.
Particularly, find if verify through correction verification module 70, the some first subdata bags obtained through step 130 multi-path download are complete, then carry out subsequent operation; If the some first subdata bags obtained through step 130 multi-path download are imperfect, then return step 130, multi-path download module 40 downloads incomplete first subdata bag from data packet services device 22 again, and re-starts verification, until each first subdata bag is complete.
In step 150, if each first subdata bag is complete, be then the first total data bag by some first subdata package bags.
In a step 160, the first total data bag is verified; If verify unsuccessfully to the first total data bag, then download the second upgrade parameter bag from parameter packet server 22, and re-start parsing, compare and multi-path download.
Particularly, if in a step 160, correction verification module 70 to the first total data bag verification succeeds, then represents that new data packets has been downloaded; If check results is unsuccessfully, then return step 110, multi-path download module 40 downloads the second upgrade parameter bag from parameter packet server 22, and repeats the operation of step 120-160.
What deserves to be explained is, in the process that the first total data bag is verified, some first subdata packet loss that may there is the first upgrade parameter bag and correspondence thereof in parameter packet server 21 and data packet services device 22 or situation about cancelling, now correction verification module 70 is bound to fail to the first total data bag verification, then need again to download the second upgrade parameter bag from parameter packet server 21, and repeat the operation of step 120-160; If the verification of correction verification module 70 to the first total data bag is not unsuccessfully caused by the reason of some first subdata bags of the first upgrade parameter bag in parameter packet server 21 or data packet services device 22 or its correspondence, and some first subdata bags of the first upgrade parameter bag and correspondence thereof store complete respectively in parameter packet server 21 and data packet services device 22, then now parameter bag download module 10 is again identical with the first upgrade parameter bag from second its essence of upgrade parameter bag of parameter packet server 21 download.
So, download upgrade parameter bag through parameter bag download module 10, carry out the comparison between version number corresponding to upgrade parameter bag and version number corresponding to mobile unit parameter current bag through comparison module 30 again, carry out distribution finally by multi-path download module 40 to download, achieve complete successfully download the to the larger new data packets of internal memory.
A kind of mobile unit of the present invention and multi-channel method thereof achieve the complete of the new data packets of large internal memory by parameter bag download module 10, comparison module 30 and the multi-path download module 40 in this equipment and successfully download, simultaneously adopt compare-multichannel download-group bag operation, speed of download can be promoted, reduce the single download time of subdata bag, thus prevent new data packets download from interrupting the Flux Loss problem caused.
Although illustrate and describe the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that: when not departing from the spirit and scope of the present invention by claim and equivalents thereof, the various changes in form and details can be carried out at this.
Claims (10)
1. a mobile unit, is characterized in that, comprising:
Parameter bag download module, for downloading the first upgrade parameter bag from parameter packet server;
Whether comparison module, equal version number corresponding to mobile unit parameter current bag for the first version number that more described first upgrade parameter bag is corresponding;
Multi-path download module, when being not equal to version number corresponding to described parameter current bag for the first version number corresponding when described first upgrade parameter bag, downloads some first subdata bags corresponding to described first upgrade parameter bag from data packet services device.
2. mobile unit according to claim 1, is characterized in that, described mobile unit also comprises: parsing module, for resolving described first upgrade parameter bag, to obtain first version number corresponding to described first upgrade parameter bag.
3. whether mobile unit according to claim 1 and 2, is characterized in that, described mobile unit also comprises: correction verification module, complete for verifying described first subdata bag;
Wherein, when the described first subdata bag of described correction verification module verification is imperfect, described multi-path download module thinks highly of newly downloaded incomplete described first subdata bag from described data packet services.
4. mobile unit according to claim 3, is characterized in that, described mobile unit also comprises: group bag module, for when each first subdata bag of described correction verification module verification is complete, is the first total data bag by described some first subdata package bags.
5. mobile unit according to claim 4, is characterized in that, described correction verification module verifies described first total data bag further;
Wherein, when described correction verification module verifies unsuccessfully described first total data bag, described multi-path download module downloads the second upgrade parameter bag from described parameter packet server, and again the second edition number with the described mobile unit parameter current bag corresponding version number of described second upgrade parameter bag after resolving is compared, when the second edition number that described second upgrade parameter bag is corresponding is not equal to version number corresponding to described parameter current bag, download some second subdata bags corresponding to described second upgrade parameter bag from described data packet services device.
6. a multichannel method for down loading for mobile unit, is characterized in that, comprising:
The first upgrade parameter bag is downloaded from parameter packet server;
Whether the first version number that more described first upgrade parameter bag is corresponding equals version number corresponding to mobile unit parameter current bag;
If the version number that described first upgrade parameter bag is corresponding is not equal to version number corresponding to described parameter current bag, then download some first subdata bags corresponding to described first upgrade parameter bag from data packet services device.
7. multichannel method for down loading according to claim 6, it is characterized in that, before whether the first version number that more described first upgrade parameter bag is corresponding equals version number corresponding to mobile unit parameter current bag, described multichannel method for down loading also comprises: resolve described first upgrade parameter bag, to obtain first version number corresponding to described first upgrade parameter bag.
8. the multichannel method for down loading according to claim 6 or 7, is characterized in that, described multichannel method for down loading also comprises: whether completely verify described first subdata bag;
Wherein, if described first subdata bag is imperfect, then think highly of newly downloaded incomplete described first subdata bag from described data packet services.
9. multichannel method for down loading according to claim 8, is characterized in that, described multichannel method for down loading also comprises: if each first subdata bag is complete, be then the first total data bag by described some first subdata package bags.
10. multichannel method for down loading according to claim 9, is characterized in that, described multichannel method for down loading also comprises: verify described first total data bag;
Wherein, if verify unsuccessfully to described first total data bag, then download the second upgrade parameter bag from described parameter packet server, and again the second edition number of described second upgrade parameter bag after resolving is compared with the corresponding version number of described mobile unit parameter current bag, when the second edition number that described second upgrade parameter bag is corresponding is not equal to version number corresponding to described parameter current bag, download some second subdata bags corresponding to described second upgrade parameter bag from described data packet services device.
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| CN201510031881.8A CN104601708A (en) | 2015-01-21 | 2015-01-21 | Vehicle-mounted device and multi-channel loading method thereof |
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| CN201510031881.8A CN104601708A (en) | 2015-01-21 | 2015-01-21 | Vehicle-mounted device and multi-channel loading method thereof |
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