CN100463414C - A method and device for remote batch upgrade of the embedded device - Google Patents
A method and device for remote batch upgrade of the embedded device Download PDFInfo
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- CN100463414C CN100463414C CNB2006101702172A CN200610170217A CN100463414C CN 100463414 C CN100463414 C CN 100463414C CN B2006101702172 A CNB2006101702172 A CN B2006101702172A CN 200610170217 A CN200610170217 A CN 200610170217A CN 100463414 C CN100463414 C CN 100463414C
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Abstract
This invention discloses one method to update imbed device remote batch, which comprises the following steps: sending the update data into device to be updated through set broadcast type; the device to be updated keeps pre-data for updating by use of update data. This invention also discloses one imbed update data send device one imbed device to update multiple devices with short circle.
Description
Technical field
The present invention relates to network communications technology field, especially relate to a kind of method and apparatus of embedded device remote batch upgrading.
Background technology
Upgrading to remote embedded equipment mainly is that the engineer arrives device context at present, by the serial ports of computers transmitting control commands, and by Ethernet interface transmission upgrade data, one by one equipment is upgraded.Along with embedded device use increasingly extensive, the quantity of embedded device constantly increases, the place of distribution becomes increasingly complex, so the upgrading difficulty of equipment is also increasing, this upgrading mode has been difficult to satisfy the demands.
For addressing the above problem, adopt the method for the telnet embedded device of upgrading now, realized the remote upgrade of embedded device, need not the engineer and upgrade to device context.This method at first remotely logs on on the equipment to be upgraded by telnet or serial server, by mode of unicast upgrade data is sent to this equipment then, after this equipment is received upgrade data, cover legacy data, finish remote upgrade this equipment with upgrade data.If a plurality of equipment to be upgraded are arranged, then repeat aforesaid operations, realize upgrading to all equipment to be upgraded.
For example, a kind of system of embedded device remote upgrade as shown in Figure 1, comprise upgrade data dispensing device 11, network 12, embedded device 13, embedded device 14, embedded device 15 and embedded device 16, wherein network 12 is connected with upgrade data dispensing device 11, embedded device 13, embedded device 14, embedded device 15 and embedded device 16 respectively.When embedded device 13, embedded device 14, embedded device 15 and embedded device 16 need be upgraded, its escalation process may further comprise the steps:
Steps A 1 remotely logs on on the embedded device 13 by telnet;
Steps A 2, upgrade data dispensing device 11 adopts mode of unicast, by network 12 upgrade data is sent to embedded device 13;
Steps A 3 after embedded device 13 is received upgrade data, covers legacy data with upgrade data, finishes the remote upgrade of embedded device 13;
Steps A 4 to embedded device 14, embedded device 15 and embedded device 16 repeating step A1 to A3, is finished the remote upgrade of each equipment.
But, because this method adopts mode of unicast transmission data, need connect respectively with each equipment and send upgrade data, network resource utilization is low.Again because this method is each equipment of upgrading one by one, so when large number quipments need be upgraded, upgrade cycle was long.
And, this method adopts directly upgrades to equipment with the method for upgrade data covering legacy data, when taking place may to cause the upgrading failure when network failure or equipment end are unusual, and irrecoverable, need the engineer to upgrade again or recovery system by serial ports to on-the-spot.
Summary of the invention
The problem to be solved in the present invention provides a kind of method and apparatus of embedded device remote batch upgrading, adopts the multicast mode to transmit upgrade data, and the data after also can realizing upgrading are simultaneously recovered, and improve the reliability of network resource utilization and upgrading.
For achieving the above object, the invention provides a kind of method of embedded device remote batch upgrading, may further comprise the steps: choose equipment to be upgraded according to the version information of embedded device, described equipment to be upgraded is divided into groups, and be respectively the multicast group of every set of dispense correspondence; Upgrade data is sent to the multicast group at equipment to be upgraded place by the multicast mode; Described equipment to be upgraded keeps the data before the upgrading, and utilizes received upgrade data to upgrade.
According to another aspect of the present invention, after upgrade data is sent to equipment to be upgraded, also comprise the correctness of checking described upgrade data.
According to another aspect of the present invention, described equipment to be upgraded keeps the data before the upgrading, and utilizes upgrade data to upgrade to be specially: upgrade data is stored into idle memory region; The upgrading sign is set, and the described idle memory region of mark is that current storage area, former current storage area are idle memory region.
According to another aspect of the present invention, after described device upgrade to be upgraded is finished, also comprise: judge whether described equipment moves normally, if unusual, then described equipment is returned to the state that utilizes the preceding data run of upgrading.
According to another aspect of the present invention, the state that described equipment is returned to the preceding data run of utilization upgrading is specially: the upgrading sign being set, and the mark idle storage area is that current storage area, former current storage area are idle memory region.
According to another aspect of the present invention, after described device upgrade to be upgraded is finished, also comprise: the version information of described equipment to be upgraded after the upgrading of upgrade data transmitting terminal feedback; According to the version information of described feedback, described upgrade data transmitting terminal upgrades the original version information of described equipment to be upgraded.
The invention provides a kind of embedded device upgrade data dispensing device, comprising: the multicast group administrative unit generates multicast group and sends upgrade data to described multicast group; The updating and management unit, choose equipment to be upgraded according to the version information of embedded device, described equipment to be upgraded is divided into groups, be respectively the multicast group of every set of dispense correspondence, send the multicast address of corresponding multicast group to equipment to be upgraded, described equipment is added described multicast group.
According to another aspect of the present invention, also comprise the version information memory cell; After described updating and management unit receives the version information that feeds back after the device upgrade, described version information is stored into described version information memory cell.
The invention provides a kind of embedded device, comprise updating and management unit, first memory cell and second memory cell; Described updating and management unit sends adding multicast group request message, receives upgrade data from described multicast group, and controls described embedded device and upgrade; Described first memory cell and second memory cell are stored received upgrade data and the preceding data of upgrading respectively.
According to another aspect of the present invention, described updating and management unit comprises that further the upgrading sign is provided with subelement, and being provided for described first memory cell of mark and second memory cell is the upgrading sign of current storage area or idle memory region.
According to another aspect of the present invention, described updating and management unit also comprises the data detection subelement, the correctness of the upgrade data that check receives.
According to another aspect of the present invention, also comprise the version information feedback unit, under the control of described updating and management unit, generate the version information after upgrading, and feed back described version information to the upgrade data transmitting terminal.
Compared with prior art, the present invention has the following advantages:
The present invention can upgrade to a plurality of equipment simultaneously, and upgrade cycle is short;
And the present invention adopts the multicast mode to transmit upgrade data, can conserve network bandwidth, reduce offered load;
In addition, the present invention adopts redundant upgrading mode, and the data after can realizing upgrading are recovered, and improves the reliability of upgrading;
Further, the present invention carries out unified management by the version information memory cell to the version information of all devices.
Description of drawings
Fig. 1 is a kind of system diagram of embedded device remote upgrade;
Fig. 2 is the structure chart of a kind of upgrade data dispensing device of the present invention;
Fig. 3 is the structure chart of a kind of embedded device of the present invention;
Fig. 4 is the flow chart of a kind of embedded device remote batch upgrading of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
A kind of upgrade data dispensing device of the present invention comprises multicast group administrative unit 21, updating and management unit 22 and version information memory cell 23 as shown in Figure 2; Wherein updating and management unit 22 is connected with version information memory cell 23 with multicast group administrative unit 21 respectively.
Multicast group administrative unit 21 is used to generate multicast group and sends upgrade data to described multicast group.Updating and management unit 22 is used to choose equipment to be upgraded, should divide into groups by equipment to be upgraded, is every group of devices allocation multicast group to be upgraded; And send the multicast address of corresponding multicast group to this equipment to be upgraded, should add multicast group by equipment to be upgraded; And when feeding back version information after the device upgrade, updating and management unit 22 also is used to receive this version information, and this version information is stored into version information memory cell 23.Version information memory cell 23 is used to store the version information of embedded device, and this version information comprises in current version, old version, update time, upgrading personnel and the upgrading reason one or multinomial.
The structure of a kind of embedded device of the present invention comprises updating and management unit 31, memory cell 32, memory cell 33 and version information feedback unit 34 as shown in Figure 3; Wherein updating and management unit 31 is connected with memory cell 32, memory cell 33 and version information feedback unit 34 respectively.
Updating and management unit 31 is used for sending adding multicast group request message to multicast group; After adding multicast group, receive upgrade data from described multicast group, and the control embedded device is upgraded.Updating and management unit 31 comprises that also the upgrading sign is provided with subelement 311 and data detection subelement 312; After receiving upgrade data from described multicast group, the correctness of the described upgrade data of data detection subelement 312 checks; The upgrading sign is provided with subelement 311 the upgrading sign is set, and described upgrading sign is used for flag memory cell 32 and memory cell 33 is current storage area or idle memory region; For example, when described upgrading sign was set to 1, memory cell 32 was current storage area, and memory cell 33 is an idle memory region; When described upgrading sign was set to 0, memory cell 32 was an idle memory region, and memory cell 33 is current storage area.
Version information feedback unit 34 generates the version information after upgrading under the control of updating and management unit 31, and feeds back described version information to the upgrade data transmitting terminal.
When adopting upgrade data dispensing device shown in Figure 2 and embedded device shown in Figure 3 in the system of embedded device remote upgrade shown in Figure 1, the flow process of a kind of embedded device remote batch upgrading of the present invention as shown in Figure 4.The present invention at first is sent to equipment to be upgraded by the multicast mode with upgrade data; Described then equipment to be upgraded keeps the data before the upgrading, and utilizes received upgrade data to upgrade.With reference to Fig. 4, the present invention includes following steps:
Step s401, equipment to be upgraded is chosen according to the version information of the embedded device of version information memory cell 23 storages in updating and management unit 22; This version information comprises in current version, old version, update time, upgrading personnel and the upgrading reason one or multinomial.Equipment to be upgraded is embedded device 13, embedded device 14, embedded device 15 and embedded device 16 in the present embodiment.
Step s402, multicast group administrative unit 21 generates multicast group.Generate multicast group 1 and multicast group 2 in the present embodiment.Its process that generates multicast group 1 is: multicast group administrative unit 21 sends IGMP (Internet Group Management Protocol to an idle multicast address, IGMP) message, it is the multicast group of this free time multicast address that notice router multicast group administrative unit 21 adds multicast address, and determines that this multicast group is for sending the multicast group 1 of upgrade file.The generative process of multicast group 2 is identical with multicast group 1.
Step s403, updating and management unit 22 is divided into one group with embedded device 13 and embedded device 14, and this component is fitted on multicast group 1; Embedded device 15 and embedded device 16 are divided into one group, and this component is fitted on multicast group 2.
Step s404, updating and management unit 22 adds multicast group 1 with embedded device 13 and embedded device 14, and embedded device 15 and embedded device 16 are added multicast group 2.Its adition process is specially: at first updating and management unit 22 sends to embedded device 13 and embedded device 14 with the multicast address of multicast group 1, and the multicast address of multicast group 2 is sent to embedded device 15 and embedded device 16; The updating and management unit 31 of embedded device 13 and embedded device 14 sends adding multicast group request message to multicast group 1 then, adds multicast group 1, and this adding multicast group request message is the IGMP message; The updating and management unit 31 of embedded device 15 and embedded device 16 sends adding multicast group request message to multicast group 2, adds multicast group 2, and this adding multicast group request message is the IGMP message.
Step s405, multicast group administrative unit 21 sends upgrade data in multicast group 1 and multicast group 2.
Step s406, the updating and management unit 31 of embedded device 13 and embedded device 14 receives upgrade data from multicast group 1; The updating and management unit 31 of embedded device 15 and embedded device 16 receives upgrade data from multicast group 2.
Step s407, the correctness of data detection subelement 312 check upgrade datas.If correct, then change step s408, otherwise finish.
Step s408 judges that the upgrading type is system upgrade or document upgrading, if be system upgrade, then changes step s409, otherwise changes step s414.
Step s409, updating and management unit 31 is according to the upgrading sign, and selecting idle memory region is the memory cell of upgrade data storage.When described upgrading sign was set to 1, memory cell 32 was current storage area in the present embodiment, and memory cell 33 is an idle memory region; When described upgrading sign was set to 0, memory cell 32 was an idle memory region, and memory cell 33 is current storage area.Current upgrading sign is set to 1, so select storage unit 33 storage upgrade datas.
Step s410 is stored into memory cell 33 with upgrade data.
Step s411 utilizes upgrade data to upgrade.Be that updating and management unit 31 is provided with upgrading and is designated 0, memory cell 33 is labeled as current storage area, memory cell 32 is labeled as idle memory region, and restart facility.Because memory cell 33 is current storage area, so described equipment has been realized the upgrading of described equipment from the system start-up of memory cell 33 storages.
Step s412 judges whether described equipment moves normally, if unusual, then change step s413, otherwise change step s415.
Step s413 returns to preceding running status of upgrading and end with equipment.Be updating and management unit 31 be provided with the upgrading be designated 1, memory cell 32 is labeled as current storage area, memory cell 33 is labeled as idle memory region, restart facility.Because memory cell 32 is current storage area, so described equipment, makes the running status before equipment returns to upgrading from the system start-up of memory cell 32 storages.
Step s414 is stored into current storage area with upgrade data, covers legacy data.Current upgrading sign is set to 1 in the present embodiment, so memory cell 32 is current storage area, upgrade data is stored into memory cell 32, covers legacy data wherein.
Step s415, updating and management unit 31 control version information feedback units 34 generate the version information after the upgrading, and send this version information to the upgrade data dispensing device.This version information comprises in current version, old version, update time, upgrading personnel and the upgrading reason one or multinomial.
Step s416, upgrade data dispensing device judge whether the version information that feeds back after the device upgrade if having, then to change step s417, otherwise finish.
Step s417, the version information of updating and management unit 22 receiving equipments upgrading back feedback, and this version information is stored into version information memory cell 23 upgrades the version information of former embedded device and finishes.
Wherein, the updating operation from step s406 to step s415, embedded device 13, embedded device 14, embedded device 15 and embedded device 16 carry out simultaneously.
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 (12)
1. the method for an embedded device remote batch upgrading is characterized in that, may further comprise the steps:
Choose equipment to be upgraded according to the version information of embedded device, described equipment to be upgraded is divided into groups, and be respectively the multicast group of every set of dispense correspondence;
Upgrade data is sent to the multicast group at equipment to be upgraded place by the multicast mode;
Described equipment to be upgraded keeps the data before the upgrading, and utilizes received upgrade data to upgrade.
2. the method for embedded device remote batch upgrading according to claim 1 is characterized in that, after upgrade data is sent to equipment to be upgraded, also comprises the correctness of checking described upgrade data.
3. the method for embedded device remote batch upgrading according to claim 1 is characterized in that described equipment to be upgraded keeps the data before the upgrading, and utilizes upgrade data to upgrade to be specially:
Upgrade data is stored into idle memory region;
The upgrading sign is set, and the described idle memory region of mark is that current storage area, former current storage area are idle memory region.
4. the method for embedded device remote batch upgrading according to claim 1, it is characterized in that, after described device upgrade to be upgraded is finished, also comprise: judge whether described equipment moves normally, if unusual, then described equipment is returned to the state that utilizes the preceding data run of upgrading.
5. as the method for embedded device remote batch upgrading as described in the claim 4, it is characterized in that, the state that described equipment is returned to the preceding data run of utilization upgrading is specially: the upgrading sign being set, and the mark idle storage area is that current storage area, former current storage area are idle memory region.
6. the method for embedded device remote batch upgrading according to claim 1 is characterized in that, after described device upgrade to be upgraded is finished, also comprises:
The version information of described equipment to be upgraded after the upgrading of upgrade data transmitting terminal feedback;
According to the version information of described feedback, described upgrade data transmitting terminal upgrades the original version information of described equipment to be upgraded.
7. an embedded device upgrade data dispensing device is characterized in that, comprising:
The multicast group administrative unit generates multicast group and sends upgrade data to described multicast group;
The updating and management unit, choose equipment to be upgraded according to the version information of embedded device, described equipment to be upgraded is divided into groups, be respectively the multicast group of every set of dispense correspondence, send the multicast address of corresponding multicast group to equipment to be upgraded, described equipment is added described multicast group.
8. as embedded device upgrade data dispensing device as described in the claim 7, it is characterized in that, also comprise the version information memory cell; After described updating and management unit receives the version information that feeds back after the device upgrade, described version information is stored into described version information memory cell.
9. an embedded device is characterized in that, comprises updating and management unit, first memory cell and second memory cell;
Described updating and management unit sends adding multicast group request message, receives upgrade data from described multicast group, and controls described embedded device and upgrade;
Described first memory cell and second memory cell are stored received upgrade data and the preceding data of upgrading respectively.
10. as embedded device as described in the claim 9, it is characterized in that, described updating and management unit comprises that further the upgrading sign is provided with subelement, and being provided for described first memory cell of mark and second memory cell is the upgrading sign of current storage area or idle memory region.
11. as embedded device as described in the claim 9, it is characterized in that described updating and management unit also comprises the data detection subelement, the correctness of the upgrade data that check receives.
12., it is characterized in that as embedded device as described in the claim 9, also comprise the version information feedback unit, under the control of described updating and management unit, generate the version information after the upgrading, and feed back described version information to the upgrade data transmitting terminal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655462A (en) * | 2012-04-09 | 2012-09-05 | 深圳市佳信捷电子有限公司 | Method and device for batched upgrading of embedded network equipment |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101686139B (en) | 2008-09-22 | 2012-05-23 | 华为终端有限公司 | Method, device and system of multicast upgrading |
| CN103955381B (en) * | 2014-04-04 | 2017-07-07 | 京信通信系统（中国）有限公司 | Management server carries out volume software upgrade method and system to terminal device |
| CN105763350A (en) * | 2014-12-16 | 2016-07-13 | 中兴通讯股份有限公司 | Method of using multicast mode to upgrade version and apparatus thereof |
| CN108415720A (en) * | 2018-03-07 | 2018-08-17 | 四川长虹电器股份有限公司 | The system and method for software upgrading is realized by remote control USB upgradings |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455549A (en) * | 2002-04-30 | 2003-11-12 | 华为技术有限公司 | Method of configuration and upgrade of network apparatus in communication system |
| CN1570863A (en) * | 2003-07-23 | 2005-01-26 | 华为技术有限公司 | System and method for remotely loading or upgrading program |
| CN1581101A (en) * | 2003-08-12 | 2005-02-16 | 联想(北京)有限公司 | Embedded system upgrading method |
| CN1805367A (en) * | 2005-01-12 | 2006-07-19 | 华为技术有限公司 | Method of updating configuration file for embedded media terminal adapter |
| CN1832610A (en) * | 2005-03-11 | 2006-09-13 | 上海华为技术有限公司 | Method of updating remote subsystem in mobile communication system |
| CN1859151A (en) * | 2005-07-19 | 2006-11-08 | 上海华为技术有限公司 | Method for upgrading remote subsystem in communication system |
| CN1859174A (en) * | 2005-12-06 | 2006-11-08 | 上海华为技术有限公司 | Upgrading method and its system for remote equipment in communication network |
-
2006
- 2006-12-25 CN CNB2006101702172A patent/CN100463414C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455549A (en) * | 2002-04-30 | 2003-11-12 | 华为技术有限公司 | Method of configuration and upgrade of network apparatus in communication system |
| CN1570863A (en) * | 2003-07-23 | 2005-01-26 | 华为技术有限公司 | System and method for remotely loading or upgrading program |
| CN1581101A (en) * | 2003-08-12 | 2005-02-16 | 联想(北京)有限公司 | Embedded system upgrading method |
| CN1805367A (en) * | 2005-01-12 | 2006-07-19 | 华为技术有限公司 | Method of updating configuration file for embedded media terminal adapter |
| CN1832610A (en) * | 2005-03-11 | 2006-09-13 | 上海华为技术有限公司 | Method of updating remote subsystem in mobile communication system |
| CN1859151A (en) * | 2005-07-19 | 2006-11-08 | 上海华为技术有限公司 | Method for upgrading remote subsystem in communication system |
| CN1859174A (en) * | 2005-12-06 | 2006-11-08 | 上海华为技术有限公司 | Upgrading method and its system for remote equipment in communication network |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655462A (en) * | 2012-04-09 | 2012-09-05 | 深圳市佳信捷电子有限公司 | Method and device for batched upgrading of embedded network equipment |
| CN102655462B (en) * | 2012-04-09 | 2016-02-03 | 深圳市佳信捷技术股份有限公司 | The method of batch upgrade Embedded Network Device and device |
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