CN105721293B - A kind of adaptive competing method of Master gateway based on Alljoyn agreement - Google Patents
A kind of adaptive competing method of Master gateway based on Alljoyn agreement Download PDFInfo
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- CN105721293B CN105721293B CN201610071570.9A CN201610071570A CN105721293B CN 105721293 B CN105721293 B CN 105721293B CN 201610071570 A CN201610071570 A CN 201610071570A CN 105721293 B CN105721293 B CN 105721293B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/2895—Intermediate processing functionally located close to the data provider application, e.g. reverse proxies
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Abstract
A kind of adaptive competing method of Master gateway based on Alljoyn agreement.The present invention relates to the gateway adaptive techniques under local area network when more equipment networkings, in order to the problem of solving in the prior art, Cloud Server overload when smart home more equipment networkings, influencing system communication stability.Technical concept of the invention is as follows: when new equipment networks, if existing gateway in local area network, new log equipment are at war with existing gateway；If gateway is not present in local area network, determine whether the equipment can be used as gateway according to the capacity of equipment collection of new equipment；If gateway connection is broken suddenly, local area network internal unit meeting automatic network-building, by adaptively competing, logic competes out a new gateway from other inside gateway automatically and Cloud Server keeps long and connects；If in local area network being weak terminal, Master gateway cannot be competed out in local area network at this time, then carries out long connection with cloud respectively.The present invention is suitable for Internet of Things.
Description
Technical field
The present invention relates to technology of Internet of things, in particular to the gateway under a kind of local area network when more equipment networkings is adaptively square
Method.
Background technique
With technology of Internet of things, cloud computing, the development of big data, interconnection technology is particularly important.In people couple
In the intelligent limited situation of demand, even if smart home in the early time simply still allows people to feel " on tall and big ", and substantially not very
It will appear problem, but with the improvement of living standards, smart home in the early time gradually becomes backward, or even become " pseudo- intelligence
Can ".Though the function of smart home single-item has promotion, the range that intelligent effect is covered is extremely limited, it is difficult to cater to consumer
The demand of overall intelligence.Even if wired to wireless transformation, the also only change of the modes such as installation has occurred in smart home, cannot
Realize so-called real intelligence.Present main problem is, smart home not only will " company ", but also neatly " interconnect ",
Realize intercommunication cross complaint between equipment.
Smart home is from the mode (traditional mode) of original " equipment end+mobile terminal " to " equipment end+cloud+movement
Terminal " (many enterprises such as new model, including Internet of Things sensing have been this modes) transformation.Maximum variation is several brought by therewith
Increase according to amount, the connection number increase and the enhancing of data-handling capacity of equipment end and cloud.In this process, equipment end with
The connection number in cloud increases, and can directly increase the load of message Cloud Server, influence the communication robust of whole system.
Summary of the invention
The purpose of the present invention is to solve in the prior art, Cloud Server load mistake when smart home more equipment networkings
Again, the problem of influencing system communication stability.
In order to achieve the above objectives, the present invention provides a kind of Master gateway based on the Alljoyn agreement adaptively side of competition
Method includes the following steps:
After new equipment networks, the competition information of all devices in local area network is obtained by Alljoyn network protocol, it is described competing
Striving information includes capacity of equipment grade Device_Flag, device role Role and device IP, the capacity of equipment grade include A,
B, C three-level, A, B are strong terminal, and C is weak terminal, and the device role includes Master, Slave and Normal, and Master is indicated
The equipment for carrying out long connection with server, Slave indicate the equipment for carrying out long connection with Master, when in local area network without Master
When equipment, the device role Role of all devices in local area network is Normal；
New equipment is at war with according to the competition information of all devices in acquired local area network, if new equipment competition victory
Out, then the equipment Role value of Master gateway in current local area network is revised as by Slave by Alljoyn network protocol, and set
The device role Role value for setting oneself is Master, is simultaneously emitted by the broadcast of Alljoyn network protocol, declares oneself to be new
The current mastername of equipment of itself is revised as institute after all other equipment receives broadcast in local area network by Master gateway
The servicename of new Master gateway is stated, the mastername is used to mark the current Master in local area network, described
Servicename is for marking device service name in local area network.
Further, if new equipment passes through tune if new equipment competition fails and has Master gateway in local area network at this time
The device role Role that oneself is modified with Alljoyn network protocol is Slave, while the value for modifying itself mastername is to work as
The servicename of preceding Master gateway；If the capacity of equipment grade Device_Flag of new equipment competition failure and new equipment is
C grades, if not having Master gateway in local area network at this time, new equipment is by calling Alljoyn network protocol to modify setting for oneself
Standby role Role is Normal.
Further, if the mastername stored before equipment is listened to by Alljoyn network protocol in local area network
It goes offline, then starts competition, competition detailed process is as follows: is first if the capacity of equipment grade Device_Flag of the equipment is A or B grades
First obtain the competition information of other all devices in netting；If changing equipment competition to win, first by calling Alljoyn network association
The device role Role of view modification oneself is Master, is simultaneously emitted by Alljoyn network protocol broadcast Name_Changed
Signal declares oneself for Master；If equipment competition failure, the equipment is in the Name_ for receiving new Master sending
After Changed Signal, the value for modifying mastername is the servicename of new Master gateway, if equipment of itself ability
Grade is C grades, after waiting 1 second, if receiving the NameChanged Signal of Master sending, modifies oneself
MasterName is the servicename of current Master；If confiscating the NameChanged Signal of Master sending,
Long connection is carried out with Cloud Server.
Specifically, after new equipment networks, if only this equipment one in local area network, and the ability grade of the equipment
Device_Flag is A or B grades, then the equipment becomes Master gateway, if the ability grade Device_Flag of the equipment is C grades
Then the device role of the equipment is revised as NORMAL.
Specifically, after new equipment networks, if there are two the above equipment and existing Master gateways in local area network, if this
The Device_flag of Master gateway is B, and this equipment Device_flag is A, then this equipment becomes Master gateway, otherwise
As Slave；
If the above equipment and no Master there are two in local area network, the Device_Flag of all devices in local area network
It is ranked up according to A, B, C, the IP of all devices carries out descending sort in local area network, is respectively stored in flag [] and IP []
Among two arrays, and enter following process:
If Device_flag and flag [0] of this equipment of a is equal, and if flag [0] and flag [1] it is unequal, i.e., originally set
Standby Device_flag grade highest, then this equipment becomes Master；
If Device_flag and flag [0] of this equipment of b is equal and flag [0] is not C, and if flag [0] and flag
[1] also equal, if IP_native is equal with IP [0], this equipment becomes Master；
If a, b is not satisfied:
If then the Device_flag and flag [0] of this equipment of c. are unequal and flag [0] is not C, then this equipment becomes
Slave；
If c is unsatisfactory for:
If then d. flag [0] is C grades, this equipment becomes Normal；
Wherein, the capability flag of equipment of itself is denoted as flag_native；The IP of equipment of itself is denoted as IP_native；Local
The capability flag of all devices is ranked up according to A, B, C in netting, and is stored with array flag [], and wherein A is retouched with 2 descriptions, B with 1
It states, 0 description of C；The IP information of all devices is indicated according to descending sort with array IP [] in local area network.
The beneficial effects of the present invention are: the present invention is applied in intelligent terminal hardware entity, it can be certainly in a local area network
Adaptation competes out a Master gateway and Cloud Server carries out long connection, and other equipment and mobile phone terminal carry out long-range in local area network
Communication can carry out transfer by the intelligent terminal, therefore greatly reduce the long connection number of all devices and server in local area network
Amount, reduces the load of Cloud Server, to improve the stability of whole system.
Detailed description of the invention
Fig. 1 is the process schematic that capacity of equipment collection is obtained by Alljoyn Bus of the embodiment of the present invention.
Fig. 2 is the competition flow chart schematic diagram in the local area network of the embodiment of the present invention when having a Master gateway；
Fig. 3 is the A grades of flow charts competed with B grades of equipment the when gateway of the embodiment of the present invention goes offline；
Fig. 4 is the competition logical flow diagram of the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and embodiments.
The present invention devises a kind of adaptive Competitive Algorithms of the gateway based on Alljoyn technology.It can by the Competitive Algorithms
To guarantee that only one gateway and Cloud Server keep long connection in local area network, reduce heartbeat connection number, to reduce cloud service
Device load.In the case where cloud server framework is constant, long connection number is fixed, in new equipment networking and the connection of Master gateway
After breaking, this, which adaptively competes logic, to start automatically.
When new equipment networks, if existing gateway in local area network, new log equipment are at war with existing gateway；If
Gateway is not present in local area network, then determines whether the equipment can be used as gateway according to the capacity of equipment collection of new equipment；If gateway
Connection is broken suddenly, local area network internal unit meeting automatic network-building, by adaptively competing logic automatically from other inside gateway
It competes out a new gateway and Cloud Server keeps long connection；If in local area network being weak terminal (CPU is weak single-chip microcontroller),
Master gateway cannot be competed out in local area network at this time, then carries out long connection with cloud respectively.
Mainly include following process: (1) equipment itself relevant information being obtained by Alljoyn network protocol；(2) new
Equipment, which networks, competes logic；(3) gateway, which goes offline, competes logic；(4) Competitive Algorithms logic is realized.
Embodiment
Gateway adaptively competes starting and is mainly reflected in two processes: first is that during new equipment networks；Second is that
After gateway goes offline.The two processes can trigger gateway and adaptively compete, adaptive competition while two aspect contents of needs: first is that
Equipment related capabilities collection information is obtained by Alljoyn network protocol；It is related to Competitive Algorithms logic on the other hand.Separately below
Aforementioned four process is discussed in detail:
1, technical solution of the present invention is described below in detail:
Related capabilities grade Device_Flag, the device IP, equipment of equipment are obtained by Alljoyn network protocol first
The relevant informations such as role ROLE；Wherein the ability rating Device_Flag of equipment point for A (strong terminal -- gateway includes Wifi,
Zigbee, the interfaces such as bluetooth)；B (strong terminal has (SuSE) Linux OS etc. comprising interfaces such as Wifi)；(weak terminal, contains C
Wifi interface, CPU are weak single-chip microcontroller etc.).See Fig. 1.
The device role ROLE for competing the strong terminal won is denoted as MASTER (carrying out long connection with Cloud Server)；Failure
Terminal is denoted as SLAVE (establishing connection with Master)；If without MASTER, the device role ROLE of each equipment of terminal in local area network
It is NORMAL (ability rating of each equipment is C), carries out long connection with Cloud Server.
Ability rating be only A or be B equipment by competition after be likely to become Master gateway；Ability rating is
The equipment of C is likely to become SLAVE after competition or is NORMAL.
2, new equipment networking logic flow
After new equipment networks, new equipment obtains the capacity of equipment of all devices in local area network by Alljoyn network protocol
The information such as grade Device_Flag, device role ROLE, device IP are at war with.After new equipment competition is won, pass through calling
The ROLE value of current Master gateway is revised as SLAVE by Alljoyn network protocol, and the ROLE value that oneself is arranged is
MASTER is simultaneously emitted by the broadcast of Alljoyn network protocol, declares oneself, for Master, to tell all other equipment in local area network；
All other apparatus modifications mastername (for marking MASTER current in net, is used to motoring gateway in local area network at this time
Whether go offline) value be new Master gateway servicename (Alljoyn network protocol concept: for mark net in equipment
The name of service).If new equipment competition failure, if any Master in current net, then by calling Alljoyn network protocol to repair
The ROLE for changing oneself is SLAVE, while calling Alljoyn network protocol to modify the value of itself mastername is current Master
The servicename of gateway；If passing through calling without Master and equipment of itself ability rating is C grades in current net
The ROLE that Alljoyn network protocol modifies oneself is NORMAL.Fig. 2 is the flow chart for having Master gateway in local area network.
3, gateway goes offline logic flow
As shown in figure 3, if the mastername stored before equipment is listened to by Alljoyn network protocol in local area network
It goes offline, then starts competition logic, competition detailed process is as follows: if the capacity of equipment grade Device_Flag of the equipment is A or B
Grade obtains the competition information of other all devices in netting first；If changing equipment competition to win, first by calling Alljoyn
The device role Role that network protocol modifies oneself is Master, is simultaneously emitted by Alljoyn network protocol broadcast Name_
Changed Signal declares oneself, for Master, to tell all other equipment in local area network；If equipment competition failure, should
For equipment after receiving the Name_Changed Signal that new Master is issued, the value for modifying mastername is new Master
The servicename of gateway, if equipment of itself ability rating is C grades, after waiting 1 second, if receiving Master sending
NameChanged Signal, then the MasterName for modifying oneself is the servicename of current Master；If confiscating
The NameChanged Signal that Master is issued, then carry out long connection with Cloud Server.
4, Competitive Algorithms logic is realized
The capability flag of equipment is indicated with Device_Flag；The capability flag of equipment of itself is denoted as flag_native；From
The IP of body equipment is denoted as IP_native；The capability flag of all devices is ranked up according to A, B, C in local area network, uses array
Flag [] storage, wherein 2 descriptions of A, 1 description of B, 0 description of C；The IP information of all devices is arranged according to descending in local area network
Sequence is indicated with array IP [].
Competition logic realization is described as follows:
(1) if only this equipment one in local area network, and the ability grade Device_Flag of the equipment is A or B grades, then
The equipment becomes Master gateway, the device role modification of the equipment if being C grades if the ability grade Device_Flag of the equipment
For NORMAL；
(2) if there are two the above equipment and existing Master gateways in local area network, if the Device_ of this Master gateway
Flag is B, and this equipment Device_flag is A, then this equipment becomes Master gateway, otherwise becomes SLAVE.
(3) if there are two the above equipment and no Master in local area network, the Device_ of all devices in local area network
Flag is ranked up according to A, B, C, in local area network all devices IP carry out descending sort, be respectively stored in flag [] and
Among two arrays of IP [],
If Device_flag and flag [0] of this equipment of a is equal, and if flag [0] and flag [1] it is unequal, i.e., originally set
Standby Device_flag grade highest, then this equipment becomes Master；
If Device_flag and flag [0] of this equipment of b is equal and flag [0] is not C, and if flag [0] and flag
[1] also equal, if IP_native is equal with IP [0] (IP address is unique), this equipment becomes Master；
If a, b is not satisfied:
If then the Device_flag and flag [0] of this equipment of c. are unequal and flag [0] is not C, then this equipment becomes
Slave。
If c is unsatisfactory for:
If then d. flag [0] is C grades, this equipment becomes Normal.Fig. 4 is shown in the specific implementation of Competitive Algorithms logic.
Claims (5)
1. a kind of adaptive competing method of Master gateway based on Alljoyn agreement, which comprises the steps of:
After new equipment networks, the competition information of all devices in local area network, the competition letter are obtained by Alljoyn network protocol
Breath includes capacity of equipment grade Device_Flag, device role Role and device IP, and the capacity of equipment grade includes A, B, C
Three-level, A, B are strong terminal, and C is weak terminal, and the device role includes Master, Slave and Normal, Master indicate with
The equipment that server carries out long connection, Slave indicate the equipment for carrying out long connection with Master, when setting in local area network without Master
When standby, the device role Role of all devices in local area network is Normal；
Wherein, the corresponding strong terminal of capacity of equipment grade A is the gateway comprising wireless communication interface, capacity of equipment grade B
Corresponding strong terminal is comprising wireless communication interface and with the equipment of (SuSE) Linux OS, and capacity of equipment grade C is corresponding weak
Terminal is comprising wireless communication interface and CPU is the equipment of single-chip microcontroller；
New equipment is at war with according to the competition information of all devices in acquired local area network, if new equipment competition is won,
The equipment Role value of Master gateway in current local area network is revised as Slave by Alljoyn network protocol, and oneself is set
Device role Role value be Master, be simultaneously emitted by the broadcast of Alljoyn network protocol, declare oneself for new Master net
It closes, after all other equipment receives broadcast in local area network, the current mastername of equipment of itself is revised as described new
The servicename of Master gateway, the mastername are used to mark the current Master in local area network, described
Servicename is for marking device service name in local area network.
2. the adaptive competing method of Master gateway based on Alljoyn agreement as described in claim 1, which is characterized in that
If new equipment is by calling Alljoyn network protocol if new equipment competition fails and has Master gateway in local area network at this time
The device role Role for modifying oneself is Slave, while the value for modifying itself mastername is current Master gateway
servicename；If the capacity of equipment grade Device_Flag of new equipment competition failure and new equipment is C grades, at this time local area network
If interior do not have Master gateway, new equipment is by the device role Role for calling Alljoyn network protocol to modify oneself
Normal。
3. the adaptive competing method of Master gateway based on Alljoyn agreement, feature exist as claimed in claim 1 or 2
In, if in local area network equipment by Alljoyn network protocol listen to before store mastername go offline, start competing
Strive, competition detailed process is as follows: if the capacity of equipment grade Device_Flag of the equipment is A or B grade, obtain first net it is interior its
The competition information of its all devices；If equipment competition is won, first by calling Alljoyn network protocol to modify oneself
Device role Role is Master, is simultaneously emitted by Alljoyn network protocol broadcast Name_Changed Signal, declares oneself
For Master；If equipment competition failure, the equipment after receiving the Name_Changed Signal that new Master is issued,
The value for modifying mastername is the servicename of new Master gateway, if equipment of itself ability rating is C grades, is waited 1 second
Afterwards, if receiving the NameChanged Signal of Master sending, the MasterName for modifying oneself is current Master
Servicename；If confiscating the NameChanged Signal of Master sending, long connection is carried out with Cloud Server.
4. the adaptive competing method of Master gateway based on Alljoyn agreement, feature exist as claimed in claim 1 or 2
In, after new equipment networks, if only this equipment one in local area network, and the ability grade Device_Flag of the equipment is A or B
Grade, then the equipment becomes Master gateway, the equipment angle of the equipment if being C grades if the ability grade Device_Flag of the equipment
Color is revised as NORMAL.
5. the adaptive competing method of Master gateway based on Alljoyn agreement, feature exist as claimed in claim 1 or 2
In, after new equipment networks, if there are two the above equipment and having Master gateway in local area network, if this Master gateway
Device_flag is B, and this equipment Device_flag is A, then this equipment becomes Master gateway, otherwise becomes Slave；
If there are two the above equipment and no Master in local area network, in local area network the Device_Flag of all devices according to
A, B, C are ranked up, and the IP of all devices carries out descending sort in local area network, are respectively stored in flag [] and IP [] two
Among array, and enter following process:
If Device_flag and flag [0] of this equipment of a is equal, and if flag [0] and flag [1] it is unequal, i.e. this equipment
Device_flag grade highest, then this equipment becomes Master；
If Device_flag and flag [0] of this equipment of b is equal and flag [0] is not C, and if flag [0] and flag [1]
Equal, if IP_native is equal with IP [0], this equipment becomes Master；
If a, b is not satisfied:
If then the Device_flag and flag [0] of this equipment of c. are unequal and flag [0] is not C, then this equipment becomes Slave；
If c is unsatisfactory for:
If then d. flag [0] is C grades, this equipment becomes Normal；
Wherein, the capability flag of equipment of itself is denoted as flag_native；The IP of equipment of itself is denoted as IP_native；In local area network
The capability flag of all devices is ranked up according to A, B, C, is stored with array flag [], wherein 2 descriptions of A, B 1 description, C
With 0 description；The IP information of all devices is indicated according to descending sort with array IP [] in local area network.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108111358B (en) * | 2018-01-12 | 2020-11-10 | 重庆惠家通信息技术有限公司 | POE intelligent home gateway networking configuration method |
| CN108650142A (en) * | 2018-07-17 | 2018-10-12 | 青岛海信智慧家居***股份有限公司 | The control method and device of multiple gateway equipment in intelligent domestic system |
| CN110535736A (en) * | 2019-08-22 | 2019-12-03 | 厦门盈趣科技股份有限公司 | A kind of method, network node and the home network of dynamic adjustment gateway |
| CN111491316B (en) * | 2020-04-09 | 2022-11-11 | 深圳市共进电子股份有限公司 | Master-slave mode configuration method, device, equipment terminal and readable storage medium |
| CN113556255A (en) * | 2021-08-02 | 2021-10-26 | 京东数科海益信息科技有限公司 | Method and device for configuring smart home |
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