CN101951391A - Method, device and system for remotely upgrading monitoring equipment - Google Patents
Method, device and system for remotely upgrading monitoring equipment Download PDFInfo
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- CN101951391A CN101951391A CN 201010151177 CN201010151177A CN101951391A CN 101951391 A CN101951391 A CN 101951391A CN 201010151177 CN201010151177 CN 201010151177 CN 201010151177 A CN201010151177 A CN 201010151177A CN 101951391 A CN101951391 A CN 101951391A
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Abstract
The invention discloses a method, a device and a system for remotely upgrading monitoring equipment. The method comprises the following steps that: the monitoring equipment initiates an upgrading request for an upgrading server and receives upgrading request response which includes software version information and is returned by the upgrading server; the monitoring equipment determines file offset according to the software version information in the upgrading request response and returns an upgrading acknowledgment message including the file offset to the upgrading server; and the upgrading server transmits upgrading data after the offset to the monitoring equipment according to the file offset in the upgrading acknowledgment message. In the method, the device and the system, after the software version information is determined, the monitoring equipment and the upgrading server continuously receive data from an offset position for receiving the upgrading file for the last time after being disconnected and reconnected, so that the efficiency is greatly improved, and precious network resources are saved.
Description
Technical field
The present invention relates to technical field of video monitoring, relate in particular to a kind of method, Apparatus and system of watch-dog remote upgrade.
Background technology
Along with the release of 3G wireless network, numerous security protection enterprise keeps up with the trend of the times, and has released the 3G wireless network video monitoring product of various standards successively.3G technology makes traditional safety monitoring mode that the more fusion application of the degree of depth arranged because of characteristics such as its mobility, high bandwidths, is fit to very much be applied to industries such as bus transportation.But because the wireless network delay variation, not as cable network steady, even the time have situation about going offline to take place, will be very unreliable if adopt original network remote to upgrade mode like this, success rate for upgrading is very low.
In the existing cable network video monitoring system, adopt the DVR/DVS or the IP video camera of wired mode access platform, general normal employing dual mode carries out remote upgrade: one, on certain PC of platform end, open the TFTP service, watch-dog is initiatively selected to download upgrade file from this ftp server, writes after download finishes and finishes upgrading among the Flash; Its two, by certain client on keeper's operating platform, upgrade file is transferred to the headend equipment that needs upgrading by the TCP/IP procotol, equipment write upgrade file among the Flash after transmission was finished.
Existing remote upgrade mode, network outage occurs and just means the upgrading failure without any processing for the abnormal broken line in the Network Transmission, the AKU that need start anew to transmit next time, and this causes wasting Internet resources.Illustrate that with an example AKU of a 5MB size of transmission supposes that average bandwidth has 160kbps under the EVDO network, the upgrading overall process also needs 256 seconds, and it is normal to guarantee that during this period of time network connects.And under the vehicle-mounted mobile application scenario, switch or network signal covers reasons such as not enough owing to the base station, the broken string situation happens occasionally.
Summary of the invention
The invention provides a kind of method, Apparatus and system of watch-dog remote upgrade, from the beginning repeat to transmit AKU when solving existing upgrading scheme abnormal broken line and the problem of the waste Internet resources that cause.
For this reason, the embodiment of the invention adopts following technical scheme:
A kind of method of watch-dog remote upgrade comprises:
Watch-dog is initiated upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
Watch-dog is determined the document misregistration amount according to the software version information in the upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server;
Upgrade server is according to the document misregistration amount in the described upgrading acknowledge message, the upgrade data after watch-dog sends side-play amount.
Wherein, describedly determine that according to the software version information in the upgrade request response detailed process of document misregistration amount is:
Whether having received effective AKU data according to equipment judges whether to reconnecting upgrading:
If reconnect upgrading, relatively whether the AKU version information that has received before is consistent with the software version information in the described upgrade request response, be to determine that then the document misregistration amount is a data accepted length, otherwise determine that the document misregistration amount is 0,
If not reconnect upgrading, determine that the document misregistration amount is 0.
Wherein, described software version information comprises the compilation time and the bag size of software kit.
, also comprised before upgrade server is initiated upgrade request at described watch-dog: registrar sends the upgrading order that comprises upgrade server address and port to watch-dog.
, before comprising the upgrading order of upgrade server address and port, the watch-dog transmission also comprises at described registrar:
Client is initiated upgrade notification to described registrar, and perhaps, upgrade server is initiated upgrade notification according to the escalation policy that presets to registrar.
Described escalation policy comprises: according to the fixed raise of wages time point of software version configuration monitoring equipment, perhaps in a period of time certain class watch-dog is upgraded.
A kind of watch-dog comprises:
The upgrade request unit is used for initiating upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
The upgrading confirmation unit is used for determining the document misregistration amount according to the software version information of upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server;
The AKU receiving element is used for receiving the document misregistration amount upgrade data afterwards that upgrade server returns according to the document misregistration amount of described upgrading acknowledge message.
A kind of upgrade server comprises:
The upgrade request response unit is used to receive the upgrade request that watch-dog sends, and returns the upgrade request response that comprises software version information to watch-dog;
Receiving element is confirmed in upgrading, is used to receive the upgrading acknowledge message of the include file side-play amount that watch-dog sends;
The AKU transmitting element is used for the upgrade data after watch-dog sends the document misregistration amount.
Described upgrade server also comprises:
The escalation policy unit is used to be provided with the escalation policy of initiating the watch-dog upgrading, and initiates the escalation process of watch-dog according to escalation policy.
A kind of system of watch-dog remote upgrade is characterized in that, comprises watch-dog and upgrade server, wherein:
Described watch-dog comprises:
The upgrade request unit is used for initiating upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
The upgrading confirmation unit is used for determining the document misregistration amount according to the software version information of upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server,
The AKU receiving element is used for receiving the document misregistration amount upgrade data afterwards that upgrade server returns according to the document misregistration amount of described upgrading acknowledge message.
Described upgrade server comprises:
The upgrade request response unit is used to receive the upgrade request that watch-dog sends, and returns the upgrade request response that comprises software version information to watch-dog;
Receiving element is confirmed in upgrading, is used to receive the upgrading acknowledge message of the include file side-play amount that watch-dog sends;
The AKU transmitting element is used for the upgrade data after watch-dog sends the document misregistration amount.
If from the beginning each upgrading failure all begins again, will cause efficient very low, and the valuable Internet resources of waste.Among the present invention, after watch-dog and upgrade server had been determined software version information, after disconnection reconnecting, the skew that received upgrade file from last time continued to receive data, thereby promotes efficient greatly, the Internet resources of saves valuable.
Description of drawings
Fig. 1 is the method flow diagram of watch-dog remote upgrade of the present invention;
Fig. 2 is an embodiment of the invention video monitoring system schematic diagram;
Fig. 3 is an embodiment of the invention watch-dog remote upgrade method flow chart;
Fig. 4 is the flow chart of the wireless breakpoint transmission upgrading of the embodiment of the invention.
Embodiment
The present invention relies on watch-dog self monitoring upgrade status in the escalation process of watch-dog, watch-dog active request breakpoint transmission after disconnection reconnecting, thus reach the purpose that improves success rate for upgrading.
Referring to Fig. 1, the method flow diagram for watch-dog remote upgrade of the present invention may further comprise the steps:
S101: watch-dog is initiated upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
S102: watch-dog is determined the document misregistration amount according to the software version information in the upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server,
S103: upgrade server is according to the document misregistration amount in the described upgrading acknowledge message, the upgrade data after watch-dog sends side-play amount.
Wherein, determine that according to the software version information in the upgrade request response detailed process of side-play amount is among the S102:
(1) judges whether to reconnecting upgrading: particularly,, then be to reconnect upgrading, otherwise be upgrading for the first time if equipment carried out updating operation and received the data of part upgrade file before.
(2) if reconnect upgrading, whether the AKU version information that had received relatively (compilation time of software kit and bag size) is consistent with the software version information in the described upgrade request response, be to determine that then the document misregistration amount is a data accepted length, otherwise determine that the document misregistration amount is 0, and the upgrade file data that received before emptying.
(3), determine that the document misregistration amount is 0 if not reconnect upgrading.
In video monitoring system, particularly in the wireless network video monitoring system, for example, in the vehicle-mounted monitoring system, vehicle is unavoidably wanted the handover network base station in the process of moving, so may have the of short duration broken string time.If from the beginning each upgrading failure all begins again, will cause efficient very low, and the valuable Internet resources of waste.Among the present invention, after watch-dog and upgrade server had been determined software version information, after disconnection reconnecting, the skew that received upgrade file from last time continued to receive data, thereby promotes efficient greatly, the Internet resources of saves valuable.
With an instantiation, introduce this programme in detail below.
Referring to Fig. 2, be inventive embodiments video monitoring system schematic diagram.
A basic wireless monitor platform, comprise equipment such as several front end watch-dogs 201, wireless base station 202, switch 203, and registrar 204, upgrade server 205 and several clients 206, also have some streaming media servers, Alarm Server, GIS server etc. (streaming media server, Alarm Server, GIS server are related with the present invention program not quite, are not described further) in addition.Be connected to wireless base station 202 after watch-dog 201 dialing, set up long the connection by switch 203 with registrar 204 then, watch-dog 201 promptly is in line states, at this moment, all clients 206 all can be carried out remote operation to these online watch-dogs 201, comprise the operation of upgrading.
To the upgrading of watch-dog, generally initiate by client, that is, client informs that by registrar watch-dog will carry out software upgrading, and is follow-up, carries out between watch-dog and the upgrade server alternately, thereby finishes whole upgrade process.This action need human intervention, very inapplicable under the numerous scene of watch-dog.
Therefore, preferably, the present invention proposes, and can make under its situation that need not manual intervention by registrar being managed the configuration of function, initiates the flow process of software upgrading automatically.Therefore, upgrade server need add certain intelligent decision, reaches the watch-dog purpose of automatic in conjunction with registrar.
Wherein, need to be in advance upgrade server configuration escalation policy:, perhaps in a period of time certain class watch-dog is upgraded according to the fixing update time point of software version configuration.Concrete update time can dispose, such as the configuration update time in morning, thereby avoid interference normal operation; When managing the watch-dog of multiple class, deposit a plurality of different programs on the upgrade server, issue watch-dog according to the watch-dog type with different programs this moment.Like this, upgrade server has just reached manages many multiple class watch-dog purpose of upgrading simultaneously, and does not need artificial participation.
Referring to Fig. 3, be embodiment of the invention watch-dog remote upgrade method flow chart, may further comprise the steps:
S301: watch-dog starts the back and initiatively connects registrar initiation register requirement, wherein carries the software version (software kit compilation time and bag size) of watch-dog and inform registrar in register requirement;
S302: registrar is responded the response of watch-dog register requirement;
Watch-dog is normally reached the standard grade, and the back relies on heartbeat packet and the registrar maintenance is long is connected.
S303: registrar is informed upgrade server with the software version information of this watch-dog;
Upgrade server is recorded in these information in the local database.
S304: (as mentioned above) need to judge whether this watch-dog of upgrading to upgrade server according to certain escalation policy, if necessary, then notifies registrar in the update time section of setting;
S305: registrar sends the upgrading order to watch-dog, informs that watch-dog need upgrade, and has wherein comprised the IP address and the port of upgrade server;
S306: watch-dog is connected upgrade server according to the IP address with port, sends upgrade request to it, the request upgrade service;
S307: upgrade server is informed watch-dog with software version information to be upgraded by the upgrade request response of feedback;
S308: watch-dog obtains software version information to be upgraded from the upgrade request response, sends the upgrading acknowledge message of include file side-play amount offset to upgrade server according to this information: if upgrading for the first time, then offset is 0; If not the upgrading first time, whether AKU version information that has received before comparing and current version information coincide, and be that then offset is the size of data that has received, otherwise offset are 0.
S309: upgrade server sends to watch-dog with the data that AKU offset position begins.
Watch-dog receives and writes Flash after upgrade data is finished, and Flash is restarted after writing and finishing.Connect registrar after restarting once more.
Set forth the detailed step of breakpoint transmission upgrading below.
Watch-dog at first obtains the AKU total length after connecting the upgrade server success for the first time, for it distributes the internal memory of corresponding size, if connect the upgrade server failure then will reconnect, reconnect the upgrade server frequency of failure continuously and reach threshold value (for example 10 times) and then withdraw from the upgrading task.
A plurality of file packings generate final AKU file.Watch-dog begins to receive the data that upgrade server sends after obtaining AKU total length success, finishes receiving calculation check and whether correct behind the file at every turn, if wrongly will withdraw from the upgrading task, and error code is sent to upgrade server.If the router redialing takes place in escalation process or does not have the situation of network signal, network will interrupt a period of time, at this moment watch-dog will reconnect server a period of time (for example 5 minutes), preserve the document misregistration amount that watch-dog has received before reconnecting, after wait reconnects successfully this offset data is sent to upgrade server, upgrade server continues to send data from this offset location.If all do not reconnect successfully in this section period (for example 5 minutes), watch-dog will withdraw from the upgrading task and empty the data that receive before.
The AKU file all receive and verification errorless after, watch-dog sends to the successful information of upgrade server upgrading, begin to write Flash this moment, writes to restart watch-dog, whole flow process end after finishing.
After connecting the upgrade server success, watch-dog knows that successful connection for the first time still reconnects successfully, ask upgrade server to begin to transmit data then according to the deviation post of specified file, as a kind of special circumstances, if connection begins to transmit data from the original position of first file exactly for the first time.
As follows by the upgrade information that watch-dog is safeguarded, utilize these information to carry out breakpoint transmission behind the disconnection reconnecting upgrade server.
typedef?struct
{
Int bReConn; / * whether be reconnect */
Int softwareLen; / * software kit total length */
Time_t softwareTime; / * software kit compilation time */
Int readFileldx; The index * of the file that/* is transmitting/
Int readFileOffset; The byte number * that/* this document has received/
}UPGINFO_BACKUP；
The flow process of concrete radio upgrade is shown in Figure 4, comprising:
S401: watch-dog is connected to upgrade server;
S402: judge whether to be connection first, if, carry out S403, otherwise, S404 carried out;
S403: send the upgrading acknowledge message,, distribute correspondence memory according to the upgrade file total length;
S404: determine the document misregistration amount, send the upgrading acknowledge message, inform that upgrade server sends upgrade data from this position to upgrade server;
Carry out S405 behind S403, the S404: receive data from upgrade server, for example, receive the data of 32kb size at every turn;
S406: judge whether each reception is successful, if not, carries out S407, otherwise, carry out S408;
S407: file index and side-play amount thereof when preserving broken string, return S401 then;
S408: the data that receive are carried out verification, write flash after correct;
S409: whole AKU is restarted watch-dog after all writing flash.
In addition, the present invention also provides a kind of watch-dog, and this watch-dog comprises with lower unit:
The upgrade request unit is used for initiating upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
The upgrading confirmation unit is used for determining the document misregistration amount according to the software version information of upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server,
The AKU receiving element is used for receiving the document misregistration amount upgrade data afterwards that upgrade server returns according to the document misregistration amount of described upgrading acknowledge message.
Simultaneously, the present invention also provides a kind of upgrade server, and this upgrade server comprises with lower unit:
The upgrade request response unit is used to receive the upgrade request that watch-dog sends, and returns the upgrade request response that comprises software version information to watch-dog;
Receiving element is confirmed in upgrading, is used to receive the upgrading acknowledge message of the include file side-play amount that watch-dog sends;
The AKU transmitting element is used for the upgrade data after watch-dog sends the document misregistration amount.
Preferably, this upgrade server also comprises:
The escalation policy unit is used to be provided with the escalation policy of initiating the watch-dog upgrading, and initiates the escalation process of watch-dog according to escalation policy.
About the concrete course of work of watch-dog and upgrade server sees also method embodiment, seldom give unnecessary details herein.
Need to prove that the present invention is that the video monitoring with wireless network is that example describes, this is that the network disruption is more outstanding, occurs abnormal broken line easily in software upgrade process because under radio condition.But, it will be understood by those skilled in the art that the present invention program is equally applicable to the video monitoring system of cable network, so long as network occur aborted cause the software upgrading secondary (even) scene the present invention of data re-transmission is suitable for.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle 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 (10)
1. the method for a watch-dog remote upgrade is characterized in that, comprising:
Watch-dog is initiated upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
Watch-dog is determined the document misregistration amount according to the software version information in the upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server;
Upgrade server is according to the document misregistration amount in the described upgrading acknowledge message, the upgrade data after watch-dog sends side-play amount.
2. according to the described method of claim 1, it is characterized in that, describedly determine that according to the software version information in the upgrade request response detailed process of document misregistration amount is:
Whether having received effective AKU data according to equipment judges whether to reconnecting upgrading:
If reconnect upgrading, relatively whether the AKU version information that has received before is consistent with the software version information in the described upgrade request response, be to determine that then the document misregistration amount is a data accepted length, otherwise determine that the document misregistration amount is 0,
If not reconnect upgrading, determine that the document misregistration amount is 0.
3. according to the described method of claim 2, it is characterized in that described software version information comprises the compilation time and the bag size of software kit.
4. according to claim 1,2 or 3 described methods, it is characterized in that, before upgrade server is initiated upgrade request, also comprise at described watch-dog:
Registrar sends the upgrading order that comprises upgrade server address and port to watch-dog.
5. according to the described method of claim 4, it is characterized in that, before the watch-dog transmission comprises the upgrading order of upgrade server address and port, also comprise at described registrar:
Client is initiated upgrade notification to described registrar, and perhaps, upgrade server is initiated upgrade notification according to the escalation policy that presets to registrar.
6. according to the described method of claim 5, it is characterized in that described escalation policy comprises:, perhaps in a period of time certain class watch-dog is upgraded according to the fixed raise of wages time point of software version configuration monitoring equipment.
7. a watch-dog is characterized in that, comprising:
The upgrade request unit is used for initiating upgrade request to upgrade server, and receives the upgrade request response that comprises software version information that upgrade server returns;
The upgrading confirmation unit is used for determining the document misregistration amount according to the software version information of upgrade request response, and returns the upgrading acknowledge message of include file side-play amount to upgrade server,
The AKU receiving element is used for receiving the document misregistration amount upgrade data afterwards that upgrade server returns according to the document misregistration amount of described upgrading acknowledge message.
8. a upgrade server is characterized in that, comprising:
The upgrade request response unit is used to receive the upgrade request that watch-dog sends, and returns the upgrade request response that comprises software version information to watch-dog;
Receiving element is confirmed in upgrading, is used to receive the upgrading acknowledge message of the include file side-play amount that watch-dog sends;
The AKU transmitting element is used for the upgrade data after watch-dog sends the document misregistration amount.
9. described according to Claim 8 upgrade server is characterized in that, also comprises:
The escalation policy unit is used to be provided with the escalation policy of initiating the watch-dog upgrading, and initiates the escalation process of watch-dog according to escalation policy.
10. the system of a watch-dog remote upgrade is characterized in that, comprises the upgrade server of described watch-dog of claim 7 and claim 8-9.
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| CN 201010151177 CN101951391A (en) | 2010-04-13 | 2010-04-13 | Method, device and system for remotely upgrading monitoring equipment |
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| CN 201010151177 CN101951391A (en) | 2010-04-13 | 2010-04-13 | Method, device and system for remotely upgrading monitoring equipment |
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| CN108197659A (en) * | 2018-01-15 | 2018-06-22 | 北京陌上花科技有限公司 | The upgrade method and device of video image identification model |
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