CN1300719C - Comptuer software updating method - Google Patents
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- CN1300719C CN1300719C CNB031539459A CN03153945A CN1300719C CN 1300719 C CN1300719 C CN 1300719C CN B031539459 A CNB031539459 A CN B031539459A CN 03153945 A CN03153945 A CN 03153945A CN 1300719 C CN1300719 C CN 1300719C
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Abstract
The present invention discloses a comptuer software update method used for updating software on multiple computers installed in an LAN, which comprises the steps that a) a service end downloads data required for software update and updates the software on the service end; b) the service end broadcasts a mote to the LAN to notify the newest software update data at the service end; c) a client end obtains the note message and sends a response message back to the service end; d) the client end and the client end form a multicast group, and the service end multicasts the software update data to the client end; e) the client end obtains the software update data and updates the software. The present invention transfers the software update data in the LAN in the multicast mode so as to have high transfer rate and high update efficiency.
Description
Technical field
The present invention relates to the method for computer software upgrading, refer to computing machine software upgrade method in a kind of LAN (Local Area Network) especially.
Background technology
Computer software is to carry out certain functional programs in conjunction with computer hardware.For computer software provider, need to bring in constant renewal in the upgrading computer software to offer user's more function.And along with Internet development, the mode that the computer software upgrading develops into gradually by server/customer end realizes remote upgrade.The mode of so-called server/customer end is meant that computer software provider leaves the computer software upgrade data of latest edition on the server in, and the user of client adopts the mode of HTTP (hyperlink transit agreement) or FTP (file transfer protocol (FTP)) directly to download required upgrade data from server by the internet.
There is following shortcoming in aforementioned calculation machine software upgrade method: because a lot of computing machines all is to be in a LAN (Local Area Network) inside now, network as a company, the unified connection by router outlet in the LAN (Local Area Network) gone up Internet, and the situation that the identical computer software of a cover is installed on many computing machines in the LAN (Local Area Network) is very general.Therefore, each part computer software all has the demand of online upgrading in this LAN (Local Area Network), and when adopting above-mentioned method upgrade software, the user that in the described LAN (Local Area Network) each needs upgrade software still can only be respectively with server interaction to obtain up-to-date software upgrade data, for many parts of identical computer softwares, need repeat to download identical upgrade data from upgrade server.Upgrading the user more for a long time, connect the upgrade server data download simultaneously as a plurality of users, the data of these repeated downloads can occupy the network egress bandwidth, cause the congested of network, increase the burden of upgrade server, and other normal network operations are affected, as browsing page, send Email or the like, and repeated downloads, upgrading efficient is lower, causes the significant wastage of Internet resources.
Summary of the invention
The present invention is in order to solve LAN subscriber repeated downloads when upgrading same computer software, to cause the problem of network resources waste.
In order to address the above problem, the present invention proposes a kind of method of computer software upgrading, this method may further comprise the steps:
A) service end is from the upgrade server downloaded software upgrading desired data and the above software of this service end of upgrading;
B) client has up-to-date software upgrade data to described service end in the LAN (Local Area Network) to indicate to announcement information of subnet broadcast;
C) client is obtained described announcement information, and judging needs the upgrading back to described service end back response information;
D) described service end and client are formed the multicast group, by described service end to client multicast software upgrade data;
E) described client is obtained described software upgrade data and the described software of upgrading.
Best, the described announcement information of step b) comprises software version number, multicast address and port numbers.
Best, described step c) also comprises the step of judgement:
C1) client that receives this announcement information is obtained described software version number, and compares with local software version number;
C2) determine whether to described service end back response information according to comparative result, if comparative result is lower than described software version number for local software version number, back response information then, otherwise, back response information not.
Best, the described response message of step c) includes the IP address of client.
Best, described step d) may further comprise the steps:
D1) service end is obtained the IP address of the client of response, and forms the multicast group with the client of described IP address;
D2) adopt described multicast address and port numbers, client multicast software upgrade data to described IP address.
Best, step d) comprises that also the software upgrade data for the treatment of multicast carries out pre-service, described steps d 2) further may further comprise the steps:
D21) all software upgrade datas are merged in the continuous memory block;
D22) data in the described memory block are divided into sizeable data block, described data block comprises an information header, wherein comprises the identification information that is used for the described data block of unique identification;
D23) send a summary info bag to client, described summary info bag comprises total data piece number and total data size and the CRC check and the information that will send;
D24) send described data block in order one by one;
D25) be sent completely when data, continue to send one and finish packet, the described packet of finishing comprises the data block identification information that sent and the total data size information of transmission;
D26) check whether client requires retransmitted data blocks, if, obtain the data block identification information that will retransmit, resend described data block, otherwise, finish to send data flow;
Described step e) further may further comprise the steps:
E1) receive the summary data bag, and preserve summary info wherein;
E2) receive data block, and it is placed in the memory block of distributing;
E3) finish receiving packet, and according to described summary info and finish the packet information inspection whether dropout of data block is arranged, if be checked through dropout of data block, then the identification information with this data block feeds back to service end, require service end to retransmit this data block, up to confirming that all data blocks all receive, end data receives flow process, if be not checked through dropout of data block, then directly end data receives flow process;
E4) with upgrade described software on this client of the data that receive.
Best, described steps d 26) also comprise the default step of waiting for the re-send request may time,, then retransmit desired data block if service end is received the re-send request may information of client in the default wait re-send request may time, otherwise, the flow process that end data sends.
Compare with the technology of active computer software upgrading, the present invention has following advantage:
1, only need a user to download the required data of software upgrading from upgrade server in the same LAN (Local Area Network), other users can obtain required software upgrade data by the mode of multicast.Owing to only need to download a software upgrade data from upgrade server, therefore, can avoid the shortcoming of user's repeated downloads software upgrade data in the same LAN (Local Area Network) of prior art, help improving upgrading efficient, avoid waste of network resources;
2, the present invention is behind service end downloaded software upgrade data, and the transmission of data is all carried out in LAN (Local Area Network) inside, and message transmission rate is fast, and the speed of whole local area network customer upgrade has improved compared to existing technology.
Description of drawings
Fig. 1 is the composition synoptic diagram of the method applied environment of computer software upgrading of the present invention;
Fig. 2 be in the LAN (Local Area Network) shown in Figure 1 service end from the process flow diagram of upgrade server downloaded software upgrade data;
Fig. 3 is the process flow diagram of service end data processing in the computer software upgrade method of the present invention;
Fig. 4 is that the upgrade data for the treatment of multicast in the method for computer software of the present invention upgrading carries out pretreated process flow diagram;
Fig. 5 is the process flow diagram that service end sends the data to client in the method for computer software of the present invention upgrading by multicast;
Fig. 6 is to the pretreated data block information of a software upgrade data data structure synoptic diagram in the method for computer software of the present invention upgrading;
Fig. 7 is the process flow diagram that client data is handled in the method for computer software of the present invention upgrading.
Embodiment
Fig. 1 is the composition synoptic diagram of the method applied environment of computer software upgrading of the present invention.
The present invention can be widely used in the occasion of computer software upgrading.Referring to shown in Figure 1, network updating service device 11 is a server of preserving the computer software upgrade data on the internet, and the user can be by the internet from the required data of this downloaded software upgrading; The mininet that described LAN (Local Area Network) 12 is made up of some computing machines, whole computing machines or part computing machine are equipped with and need upgrading software in this LAN (Local Area Network).In the present embodiment, the described upgrading software that needs is an antivirus software, and suppose have four computing machines that described antivirus software is installed in this LAN (Local Area Network) and all have the upgrading antivirus software demand.
In addition, for the convenience of narrating, present embodiment specifies described computing machine 121 as service end, and computing machine 122,123,124 is as client, described service end refers to download the required data of upgrading antivirus software from the network updating service device, and other are equipped with this antivirus software and need the client of software upgrading to send the described computing machine of downloading the upgrade data that comes from upgrade server in LAN (Local Area Network) then; Described client refers to less than upgrade server downloaded software upgrade data, but obtains the computing machine of described software upgrade data from service end by LAN (Local Area Network).The appointment of described service end and client is not unique, and any computing machine that described computer software is installed can be as service end, can certainly be as client.
Can communicate by letter according to HTTP or File Transfer Protocol between above-mentioned service end and the upgrade server, can communicate according to ICP/IP protocol between service end and a plurality of client in the LAN (Local Area Network).
Fig. 2 be in the LAN (Local Area Network) shown in Figure 1 service end from the process flow diagram of upgrade server downloaded software upgrade data.
Present embodiment, the antivirus software of on service end in the LAN (Local Area Network), installing the auto-update time to or user's explicit operation, need by the internet when upgrade server is downloaded software upgrade data and upgraded, carry out following steps:
Step 201 service end connects the upgrade server of antivirus software by the mode request of HTTP or File Transfer Protocol, described upgrade server is the fastest one of the connection speed selected voluntarily from server list by the user or selected by Automatic Program, in the link information that service end is submitted to, include data such as local software sequence number and user's active coding, be used for upgrade server and judge whether described local software is legal mandate version;
Step 202 is after service end successfully is connected to server, and server checks whether the local copy software of service end is legal software version, as not being legal software version, then points out service end, and refusal software upgrade request is also withdrawed from; Legal in this way software version, then check the local software version number that it is up-to-date, the latest edition that provides with server compares, if be not less than the recent software version number on the server, necessity of then not having upgrading, the prompting user withdraws from the upgrading flow process, as be lower than latest edition on the server, then continue to carry out following upgrade step;
Step 203 service end is downloaded up-to-date software upgrade data to this locality from upgrade server, and carries out updating operation, promptly uses from the latest data of upgrade server download and replaces local original same file;
Computer software upgrading is finished on step 204 service end, closes and being connected of remote upgrade server.
Above-mentioned service end is obtained the needed data of software upgrading and the described software of upgrading from internet remote upgrade server, is identical with prior art.But other clients that identical antivirus software is installed also have the needs of software upgrading in this LAN (Local Area Network), if implementation according to prior art, client can only repeat the process of above-mentioned service end upgrading and download software upgrade data from upgrade server again, obviously, the computing machine method for upgrading software has caused great waste to the bandwidth of network in this LAN (Local Area Network), network upgrade efficient is not high, upgrading number of users more for a long time, can cause great pressure to upgrade server, consider and preserved the required upgrade data of software upgrading on the service end that promptly the software upgrade data of preserving on the service end is identical with software upgrade data on the upgrade server.Therefore, other need the client of software upgrading to obtain required upgrade data from service end in the LAN (Local Area Network), are elaborated below.
At first narrate the flow process of service end data processing, Fig. 3 is the process flow diagram of service end data processing in the computer software upgrade method of the present invention, comprises the steps:
This step is broadcasted this UDP message bag to be had the up-to-date upgrade data except the notice client, its another purpose is in order to add up the client that how much needs software upgrading to be arranged in this subnet, because the delay of network transportation and the possibility of UDP message bag packet loss, the packet of this broadcasting can continue for some time, for example, 30 seconds;
The software upgrade data that the download that step 303 will send is obtained carries out pre-service so that improve the efficient of Network Transmission, described software upgrade data is kept under the local root catalogue in certain file, needs first pre-service during transmission so that correct transmission and improve the efficient of Network Transmission;
Step 304 is passed through to adopt multicast address and port numbers in the above-mentioned broadcast announcement information from the IP address of the client of response information acquisition, and above-mentioned pretreated data are sent to client by the multicast of UDP message bag.
Fig. 4 is that the software upgrade data for the treatment of multicast in the computer software upgrade method of the present invention carries out pretreated process flow diagram.
The described upgrade data for the treatment of multicast carries out pre-service and specifically may further comprise the steps:
Step 401 judges whether the file directory path that will send is correct, if correct, then enters step 402, otherwise, enter step 404;
Step 402 is formatted as a continuous memory block with the All Files under the assigned catalogue so that send;
Step 403 is divided into a plurality of sizeable data blocks with data in the described memory block, described data block comprises an information header, wherein comprise the identification information that is used for the described data block of unique identification, as with as described in memory block distribute to when being divided into a plurality of data block the size of sign ID, this data block of this data block and CRC check and etc. information;
Step 404 is returned error message.
The following describes the process of multicast software upgrade data, Fig. 5 is that service end sends to the process flow diagram of client by multicast with software upgrade data in the method for computer software of the present invention upgrading, and above-mentioned service end sends to client by multicast with software upgrade data and specifically may further comprise the steps:
Step 501 sends a summary info bag to client, described summary info bag comprise the total data piece number that will send and total data size and CRC (cyclic redundancy check (CRC)) verification and etc. information;
Step 502 sends described data block in order one by one, sends data and finishes, and continues to send one and finishes packet, and the described packet of finishing comprises the data block identification information that sent and the information such as total data size of transmission;
Step 503 checks whether client requires retransmitted data blocks, if, enter step 504 and obtain the data block identification information that will retransmit, resend described data block, otherwise, enter step 505 and finish to send data flow.
Fig. 6 is through divided data block structure synoptic diagram in the computer software upgrade method of the present invention.
As above-mentioned, described data block comprises two parts: data message head and real data part, as shown in Figure 6, described identification information comprises the sign ID of notebook data piece, the CRC of notebook data piece, the information such as total size of notebook data piece, and the real data part then is a real software upgrade data of giving each client to be sent.
Go on to say method of the present invention, Fig. 7 is the process flow diagram that client data is handled in the method for computer software of the present invention upgrading, specifically may further comprise the steps:
Step 701 receives the announcement information that service end is sent, the specific client end is behind the UDP message bag that receives service end broadcasting, obtain wherein information and local corresponding information comparison such as software version number, as software version number, if be not higher than this locality, then need not upgrading, do not carry out any processing, otherwise a upgrading of loopback response message is given service end, described response message also feeds back to service end by the UDP message bag, show this client to participate in this upgrading session;
It is the multicast group in transmission source that step 702 adds with the service end, and information such as the multicast address of this group and port numbers are obtained by the announcement information that service end sends, and begins then to wait for that service end sends data;
Step 703 is when receiving a packet, at first whether the checking data bag is effective, as above mention, each packet of sending from service end all have CRC check and etc. information, therefore, when receiving packet, whether effective to determine this packet by verification, if effectively, then enter step 704; Otherwise, do not receive this packet;
Step 704 judges whether this packet is the summary info bag, if preserve this packet, so that check according to the information of described summary info bag whether packet loss is arranged after receiving all packets, if described packet is not the summary info bag, then continue to wait for client forward abstract packets of information;
Step 705 begins to receive actual upgrading data packet, because transmitting terminal is divided into one by one the small data piece after with the upgrade data pre-service and order sends, also receive described data block during reception one by one and be put into corresponding position in the internal memory, after the reception upgrade data finishes, continue to finish receiving packets of information;
Step 706 is obtained the information of finishing packets of information, and the described summary info of preserving according to this locality and finish the packet information inspection whether dropout of data block is arranged, and definite data block information that needs repeating transmission, if be checked through dropout of data block, then the identification information (as sign ID) with this data block feeds back to service end, require service end to retransmit this data block, up to confirming that all data blocks all receive, end data receives flow process, if be not checked through dropout of data block, then directly end data receives flow process;
Step 707 receives data and finishes, and the software upgrade data reduction of leaving in the local internal memory is kept in the temp directory;
Step 708 reduction upgrade data finishes, and carries out updating operation, and promptly the data that obtain with reduction are replaced local original same file, and so far, the computing machine software upgrading is all finished in the whole local area network.
The method of the invention described above computer software upgrading, computing machine all can be used as service end from the required data of upgrade server download and upgrade in arbitrary the LAN (Local Area Network), and after a computing machine obtains upgrade data therein, promptly the mode with multicast sends described data to other computing machines that need upgrade, because whole local area network only needs to download a upgrade data from upgrade server, remainder data transmits and all carries out in LAN (Local Area Network), therefore, data transfer rate is fast, the relative prior art of upgrading efficient is higher, can avoid the shortcoming of prior art from upgrade server repeated downloads data.
It is above-mentioned that only the present invention will be described with preferred embodiment, non-so promptly limit to interest field of the present invention, in fact the mode by LAN multicast realizes that the mode that data transmit in the LAN (Local Area Network) is multiple in addition, therefore, under the situation that does not break away from inventive concept, the equivalence that all utilizations instructions of the present invention and accompanying drawing content are done changes, and all reason is with being contained in the claim scope of the present invention.
Claims (7)
1, the method for a kind of computer software upgrading, being used for upgrading is installed in software on many computing machines of LAN (Local Area Network), it is characterized in that this method may further comprise the steps:
A) service end is from the upgrade server downloaded software upgrading desired data and the above software of this service end of upgrading;
B) client has up-to-date software upgrade data to described service end in the LAN (Local Area Network) to indicate to announcement information of subnet broadcast;
C) client is obtained described announcement information, and judging needs the upgrading back to described service end back response information;
D) described service end and client are formed the multicast group, by described service end to client multicast software upgrade data;
E) described client is obtained described software upgrade data and the described software of upgrading.
2, according to the method for the described computer software upgrading of claim 1, it is characterized in that the described announcement information of step b) comprises software version number, multicast address and port numbers.
3, according to computing machine software upgrade method in the described LAN (Local Area Network) of claim 2, it is characterized in that described step c) also comprises the step of judgement:
C1) client that receives this announcement information is obtained described software version number, and compares with local software version number;
C2) determine whether to described service end back response information according to comparative result, if comparative result is lower than described software version number for local software version number, back response information then, otherwise, back response information not.
4, according to the method for claim 2 or 3 described computer software upgradings, it is characterized in that the described response message of step c) includes the IP address of client.
5, according to the method for the described computer software upgrading of claim 4, it is characterized in that described step d) may further comprise the steps:
D1) service end is obtained the IP address of the client of response, and forms the multicast group with the client of described IP address;
D2) adopt described multicast address and port numbers, client multicast software upgrade data to described IP address.
6, according to the method for the described computer software upgrading of claim 5, it is characterized in that step d) comprises that also the software upgrade data for the treatment of multicast carries out pre-service, described steps d 2) further may further comprise the steps:
D21) all software upgrade datas are merged in the continuous memory block;
D22) data in the described memory block are divided into sizeable data block, described data block comprises an information header, wherein comprises the identification information that is used for the described data block of unique identification;
D23) send a summary info bag to client, described summary info bag comprises total data piece number and total data size and the CRC check and the information that will send;
D24) send described data block in order one by one;
D25) be sent completely when data, continue to send one and finish packet, the described packet of finishing comprises the data block identification information that sent and the total data size information of transmission;
D26) check whether client requires retransmitted data blocks, if, obtain the data block identification information that will retransmit, resend described data block, otherwise, finish to send data flow;
Described step e) further may further comprise the steps:
E1) receive the summary data bag, and preserve summary info wherein;
E2) receive data block, and it is placed in the memory block of distributing;
E3) finish receiving packet, and according to described summary info and finish the packet information inspection whether dropout of data block is arranged, if be checked through dropout of data block, then the identification information with this data block feeds back to service end, require service end to retransmit this data block, up to confirming that all data blocks all receive, end data receives flow process, if be not checked through dropout of data block, then directly end data receives flow process;
E4) with upgrade described software on this client of the data that receive.
7, according to the method for the described computer software of claim 6, it is characterized in that, described steps d 26) also comprises the default step of waiting for the re-send request may time, if service end is received the re-send request may information of client in the default wait re-send request may time, then retransmit desired data block, otherwise, the flow process that end data sends.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031539459A CN1300719C (en) | 2003-08-21 | 2003-08-21 | Comptuer software updating method |
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| CNB031539459A CN1300719C (en) | 2003-08-21 | 2003-08-21 | Comptuer software updating method |
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| CN1584865A CN1584865A (en) | 2005-02-23 |
| CN1300719C true CN1300719C (en) | 2007-02-14 |
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| CNB031539459A Expired - Lifetime CN1300719C (en) | 2003-08-21 | 2003-08-21 | Comptuer software updating method |
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| TW518513B (en) * | 2001-03-28 | 2003-01-21 | Synq Technology Inc | System and method to update an executing application software by modular way |
| CN1397900A (en) * | 2001-07-19 | 2003-02-19 | 英业达股份有限公司 | Data updating method and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546246A (en) * | 2011-12-28 | 2012-07-04 | 创新科存储技术（深圳）有限公司 | Method and system for automatic upgrade of software |
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| CN1584865A (en) | 2005-02-23 |
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