CN109885533A - A kind of data deployment method based on DHT network, node device, data deployment system and storage medium - Google Patents
A kind of data deployment method based on DHT network, node device, data deployment system and storage medium Download PDFInfo
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F16/13—File access structures, e.g. distributed indices
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/172—Caching, prefetching or hoarding of files
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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Abstract
The invention discloses a kind of data deployment method based on DHT network, node device, data deployment system and storage mediums, wherein first node equipment is stored with pre- deployment data, and the data deployment method includes: to send the first data notification to the second node equipment；It detects whether to receive the first request of data, first request of data is that second node equipment response first data notification is sent to the first node equipment；If receiving first request of data, first request of data is responded by the first request deployment data and is sent to the second node equipment.Data in second node equipment are distributed by the unified plan of first node equipment, and so as to efficiently utilize the bandwidth of second node equipment, the unordered deployment for avoiding data between second node equipment causes Data Storm.
Description
Technical field
The present invention relates to fields of communication technology more particularly to a kind of data deployment method based on DHT network, node to set
Standby, data deployment system and storage medium.
Background technique
With the development of network, explosive increase is presented in information, is based on distributed hashtable (Distributed Hash
Table；DHT) storage system of the types such as point-to-point (P2P) of technology possesses very high scalability, can support large-scale
Data storage.
In the storage system of the types such as P2P, one section of continuous data is divided into several pieces, is stored in one of system
Or in multiple nodes.Each node can send data to the node in the routing iinformation in the DHT network, due to number between node
According to the randomness of deployment, the waste of node device bandwidth resources, storage resource is caused, while be easy to causeing Data Storm.
Therefore, how to realize that orderly, the rapid deployment of data between node device are that those skilled in the art are urgently to be resolved
The technical issues of.
Summary of the invention
The main purpose of the present invention is to provide a kind of data deployment methods based on DHT network, node device, data portion
Administration's system and storage medium, it is intended to solve data in existing DHT network and dispose unordered technical problem.
To achieve the above object, the present invention provides a kind of data deployment method based on DHT network, is applied to first node
Equipment, the first node equipment are stored with pre- deployment data, the data deployment method include: send the first data notification to
The second node equipment, wherein first node equipment and the communication connection of second node equipment, first data notification include
The first node equipment is deployed in the information of the first pre- deployment data of the second node equipment, the described first pre- deployment in advance
Data are the total data or partial data of the pre- deployment data；Detect whether to receive the first request of data, described first
Request of data is that the second node equipment responds first data notification and is sent to the first node equipment, described first
Request of data includes the first request unit that the second node equipment is deployed in second node equipment to first node device request
The information of data is affixed one's name to, the first request deployment data are the total data or partial data of the described first pre- deployment data；If
First request of data is received, then responds first request of data for the first request deployment data and is sent to described second
Node device.
Preferably, before the first data notification of the transmission is to the second node equipment, the data deployment method
Further include: the nodal information for obtaining second node equipment, wherein the nodal information includes address information.
Preferably, the first request deployment data are sent to the second node in response first request of data
After equipment, the data deployment method further include: detect whether to receive the data deployment feedback of the second node equipment；
If receiving the deployment feedback of the second node equipment, the second data notification is sent to the third node device, so that
Third node device responds second data notification, and Xiang Suoshu first node equipment and the second node equipment issue second
Request of data, wherein second data notification includes that the first node equipment is deployed in the third node device in advance
The third that the information and second node equipment of second pre- deployment data are deployed in the third node device in advance disposes data in advance
Information, the described second pre- deployment data are the total data or partial data of the pre- deployment data, and third disposes data in advance
For the total data or partial data of the first request deployment data；It detects whether to receive the second request of data, second number
It is deployed in the second request deployment data of third node device to first node device request including third node device according to request
Information and third node device to second node device request be deployed in third node device third request deployment data
Information, wherein the second request deployment data packet includes the total data or partial data of the described second pre- deployment data, and third is asked
Seeking deployment data is the total data or partial data that third disposes data in advance；If receiving second request of data, response
The second request deployment data are sent to the third node device by second request of data.
To achieve the above object, the present invention also provides a kind of data deployment methods based on DHT network, are applied to the second section
Point device, the second node equipment and first node equipment communicate to connect, and the data deployment method includes: detecting whether to connect
The first data notification is received, first data notification is Xiang Suoshu second after first node equipment receives pre- deployment data
Node device is sent, wherein first data notification includes that the first node equipment is deployed in the second node equipment in advance
The first pre- deployment data information, the described first pre- deployment data are the total data or part number of the pre- deployment data
According to；Judge whether that first data notification need to be responded；If first data notification need to be responded, set to the first node
Preparation goes out the first request of data, and first request of data includes that the second node equipment is disposed to first node device request
In the information of the first request deployment data of second node equipment, so that first node equipment response first request of data will
First request deployment data are sent to the second node equipment, wherein the first request deployment data are described first pre-
Dispose the total data or partial data of data.
Preferably, it includes: to judge whether the second node equipment deposits that first data notification need to be responded by, which judging whether,
Contain the first pre- deployment data；If the second node equipment is not stored there are the first pre- deployment data, second section is judged
Whether the memory space of point device is greater than given threshold；If the memory space of the second node equipment is greater than setting threshold value,
Judgement need to respond first data notification.
Preferably, the second node equipment judges whether that need to respond first data notification includes: to judge described
Whether the memory space of two node devices is greater than given threshold；If the memory space of the second node equipment is greater than setting threshold
Value, then judge whether the second node equipment is stored with the first pre- deployment data；If the second node equipment is not stored to be had
First pre- deployment data, then judge that first data notification need to be responded.
Preferably, the second node equipment and third node device communicate to connect, the data deployment method further include:
It detects whether to receive the second request of data, second request of data is that the third node device responds the second data notification
It is sent to two node device and first node equipment；Wherein, second data notification includes the first node equipment
The information and second node equipment for being deployed in the second pre- deployment data of the third node device in advance are deployed in described the in advance
The third of three node devices disposes the information of data in advance, and the described second pre- deployment data are the total data of the pre- deployment data
Or partial data, third dispose the total data or partial data that data are the first request deployment data in advance；Second data
Request includes the second request deployment data that third node device is deployed in third node device to first node device request
Information and third node device request to dispose data to the third that second node device request is deployed in third node device
Information, the second request deployment data packet include the total data or partial data of the described second pre- deployment data, third request deployment
Data are the total data or partial data that third disposes data in advance.If receiving second request of data, described in response
The third is requested deployment data to be sent to the third node device by the second request of data.
To achieve the above object, the present invention provides a kind of data deployment method based on DHT network, is applied to data and disposes
System, the data deployment system include first node equipment and with first node equipment communication connection second node equipment,
The first node equipment is stored with pre- deployment data, and the data deployment method includes: that the first node equipment sends the
One data notification gives the second node equipment, wherein first data notification includes that the first node equipment is disposed in advance
In the information that the first of the second node equipment disposes data in advance, the described first pre- deployment data are the pre- deployment data
Total data or partial data；The second node equipment judges whether that first data notification need to be responded；If institute need to be responded
The first data notification is stated, then second node equipment issues the first request of data, first data to the first node equipment
Request includes the first request deployment number that the second node equipment is deployed in second node equipment to first node device request
According to information, wherein the first request deployment data are the total data or partial data of the described first pre- deployment data；The
One node device detects whether to receive first request of data；If receiving first request of data, described in response
The first request deployment data are sent to the second node equipment by the first request of data.
Preferably, the data deployment system further includes third node device, the third node device and described first
Node device and second node equipment communication connection are responding first request of data for the first request deployment number
After being sent to the second node equipment, the data deployment method further include: whether the first node equipment receives
Data to the second node equipment dispose feedback；If receiving the deployment feedback of the second node equipment, the is sent
Two data notifications give the third node device, wherein second data notification includes that the first node equipment is disposed in advance
It is deployed in the third node in advance in the second pre- information for disposing data and second node equipment of the third node device
The third of equipment disposes the information of data in advance, and the described second pre- deployment data are total data or the part of the pre- deployment data
Data, third dispose the total data or partial data that data are the first request deployment data in advance；The third node device is sentenced
It is disconnected whether to need to respond second data notification；If second data notification need to be responded, to the first node equipment and
Second node equipment issues the second request of data, and second request of data includes that third node device is asked to first node equipment
The information and third node device for seeking the second request deployment data for being deployed in third node device are asked to second node equipment
Seek the information for being deployed in the third request deployment data of third node device, wherein the second request deployment data packet includes described the
The total datas or partial data of two pre- deployment data, third request deployment data be third dispose in advance data total data or
Partial data；The first node equipment and the second node equipment detect whether to receive the second request of data；If described
First node equipment and the second node equipment receive second request of data, then the first node equipment responds institute
It states the second request of data and the second request deployment data is sent to the third node device, the second node equipment is rung
Second request of data is answered to request deployment data to be sent to the third node device third.
To achieve the above object, the present invention provides a kind of node device, and the node device includes: memory, described to deposit
Reservoir is used to store the executable data deployment method program of computer；And processor, the processor call the data
When dispositions method program, aforementioned data dispositions method is executed.
To achieve the above object, the present invention provides a kind of data deployment system based on DHT network, data deployment system
System includes: first node equipment and the second node equipment with the communication connection of first node equipment；Wherein, the first node
Equipment includes memory, and the memory is used to store the executable data deployment method program of computer；And processor,
When the processor calls the data deployment method program, data deployment method above-mentioned is executed.
To achieve the above object, the present invention provides a kind of storage medium, and data portion management side is stored on the storage medium
Method program, the data deployment method program can be executed by one or more processor, to realize data portion management side above-mentioned
Method.
Compared with existing design, a kind of data deployment method based on DHT network provided by the present invention, node device, number
Wherein according to deployment system and storage medium, the first node equipment of data deployment system stores pre- deployment data, passes through
One node device sends the second node equipment that data notification gives the communication connection of first node equipment, and second node equipment can be rung
The data notification for answering first node equipment to issue, data needed for pulling second node equipment to first node equipment, wherein second
Node device is at least one, and the data in second node equipment are distributed by the unified plan of first node equipment, so as to
The bandwidth of second node equipment is efficiently utilized, the unordered deployment for avoiding data between second node equipment causes Data Storm.
Detailed description of the invention
Fig. 1 is a kind of step process of the data deployment method based on DHT network provided by first embodiment of the invention
Figure；
Fig. 2A is a kind of structural framing of the data deployment system based on DHT network provided by second embodiment of the invention
Figure；
Fig. 2 B is a kind of node device of the data deployment system based on DHT network provided by second embodiment of the invention
Between data deployment schematic diagram；
Fig. 3 A is a kind of data portion based on DHT network provided by a variant embodiment of first embodiment of the invention
The step flow chart of arranging method；
Fig. 3 B is a kind of data based on DHT network provided by another variant embodiment of first embodiment of the invention
The step flow chart of dispositions method；
Fig. 4 is a kind of step process of the data deployment method based on DHT network provided by third embodiment of the invention
Figure；
Fig. 5 A is a specific embodiment flow chart of steps of step S22 in Fig. 4；
Fig. 5 B is the another embodiment flow chart of steps of step S22 in Fig. 4；
Fig. 6 is a kind of step process of the data deployment method based on DHT network provided by fourth embodiment of the invention
Figure；
Fig. 7 is a kind of structural block diagram of node device provided by five embodiments of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
The description and claims of this application and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
It should be noted that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
Will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not the present invention claims
Protection scope within.
The present invention provides a kind of data deployment method based on DHT network, node device, data deployment system and storage
Medium, wherein the first node equipment of data deployment system stores pre- deployment data, sends data by first node equipment
Notice gives the second node equipment of first node equipment communication connection, and second node equipment can respond the sending of first node equipment
Data notification, data needed for pulling second node equipment to first node equipment, wherein second node equipment is at least one
A, the data in second node equipment are distributed by the unified plan of first node equipment, so as to efficiently utilize second node
The bandwidth of equipment, the unordered deployment for avoiding data between second node equipment cause Data Storm.
Further, after second node device data deployment success, first node equipment can notify third node device from
First node equipment and the orderly pulling data of second node equipment, so as to accelerate the speed of data pull and deployment.
Fig. 1 and Fig. 2A is please referred to, a kind of data deployment method based on DHT network provided by the invention is applied to base
In the first node equipment 10 of the data deployment system 100 of DHT network, being somebody's turn to do the data deployment system 100 based on DHT network includes
First node equipment 10, the second node equipment 20 communicated to connect with first node equipment 10, wherein first node equipment 10 is deposited
Contain pre- deployment data, and first node equipment 10 can be one or more, second node equipment 20 be also possible to one or
It is multiple, it is not limited here.Referring to Fig. 1, the data deployment method includes step S11-S14.
Step S11: the first data notification is sent to the second node equipment, wherein first node equipment and the second section
Point device communication connection, first data notification includes that the first node equipment is deployed in the second node equipment in advance
The information of first pre- deployment data, the described first pre- deployment data are the total data or partial data of the pre- deployment data.
Specifically, data are disposed in advance be uploaded to first node equipment by terminal devices such as mobile phone or PCs for user
10 designated storage location is also possible to the first node equipment and pulls in advance from data server and be stored in specified storage
The data of position.The pre- deployment data can be data slice or partial data.First node equipment 10 receives pre- deployment data
When, pre- deployment data task list is generated or updates, and the deployment of pre- deployment data is carried out by pre- deployment data task list.
As shown in Figure 2 B, first node equipment 10 is stored with pre- deployment data A, B, C, D.
When carrying out the deployment of pre- deployment data, first node equipment 10 sends the first data notification and gives second node equipment
20.Wherein, first node equipment 10 is connected with second node equipment 20 by DHT network communication, which includes
First node equipment 10 is deployed in the information of the first pre- deployment data of second node equipment 20 in advance, and the first pre- deployment data are pre-
Dispose the total data or partial data of data.
As shown in Figure 2 B, first node equipment 10 is stored with pre- deployment data A, B, C, D.
When carrying out the deployment of pre- deployment data, first node equipment 10 sends the first data to second node equipment 20 and leads to
Know, to inform that 20 first node equipment 10 of second node sends deployment data A, B, C, D to second node equipment 20 in advance.
Step S12: it detects whether to receive the first request of data, first request of data is the second node equipment
It responds first data notification and is sent to the first node equipment, first request of data includes that the second node is set
The information of standby the first request deployment data that second node equipment is deployed in first node device request, first request unit
Affix one's name to the total data or partial data that data are the described first pre- deployment data.
First node equipment 10 detects whether to receive the first request of data, which is second node equipment
20 the first data notifications of response are sent to first node equipment, and in first request of data, including second node equipment 20 is to the
One node device 10 requests the information and the first request deployment for the first request deployment data for being deployed in second node equipment 20
The size of data, the first request deployment data can be the total data or partial data of the first pre- deployment data.
Step S13: it if receiving first request of data, responds first request of data and disposes the first request
Data are sent to the second node equipment.
If first node equipment 10 receives the first request of data that second node equipment 10 responds the first data information,
First node equipment 10 responds the first request of data, and the first request deployment data are sent to second node equipment 20, are completed
Deployment of the pre- deployment data in second node equipment 20.
As shown in Figure 2 B, second node equipment 20 responds the first data notification, issues the first number to first node equipment 10
According to request, if being stored with pre- deployment data A, B in the second node equipment 20.In the first request of data then issued, ask
First node equipment 10 is asked to send pre- deployment data C, D to second node equipment 20, to complete pre- deployment data A, B, C, D the
The deployment of two node devices 20.
If being stored with pre- deployment data A, B, C in the second node equipment 20.In the first request of data then issued,
First node equipment 10 is requested to second node equipment 20 to send pre- deployment data D, to complete to dispose data A, B, C, D in advance the
The deployment of two node devices 20.
Fig. 3 A is please referred to, in some embodiments, before step S11, which further includes step S10.
Step S10: the nodal information of second node equipment is obtained, wherein the nodal information includes address information.
Specifically, in DHT network, second node equipment 20 and first node equipment 10 are established when communicating to connect, first segment
Point device 10 updates route information table, and the corresponding node letter of each node device in the DHT network is had recorded in route information table
Breath, the nodal information include at least the corresponding address information of each node device or IP address, and first node equipment 10 passes through node
Information can accurately find each node device in the DHT network.Each node device can be one or more the
Other node devices except two node devices 20 or second node equipment 20.
As shown in Figure 2 B, first node equipment 10 obtains at least one the second node equipment 20 in DHT network
Nodal information informs that 20 first node equipment 10 of second node is pre- to send the first data notification to the second node equipment 20
Deployment data A, B, C, D are sent to second node equipment 20.
Fig. 3 B is please referred to, in some embodiments, after step s 13, which further includes step S14-
S17。
Wherein, it step S14: detects whether to receive the data deployment feedback of second node equipment.
First node equipment 10 detects whether that the data deployment for receiving second node equipment 20 is fed back, and data deployment is anti-
Feedback is after second node equipment 20 completes the storage of the first request data, to send to first node equipment 10, first node equipment 10
After the data deployment feedback for receiving second node equipment 20, the data information stored in second node equipment 20 would know that,
And record the data information that second node equipment 20 is stored.
Step S15: if receiving the data deployment feedback of second node equipment, the second data notification is sent to described the
Three node devices, so that third node device responds second data notification, Xiang Suoshu first node equipment and described second
Node device issues the second request of data, wherein second data notification includes that the first node equipment is deployed in institute in advance
The information and second node equipment for stating the second pre- deployment data of third node device are deployed in the third node device in advance
Third dispose the information of data in advance, the described second pre- deployment data are the total data or part number of the pre- deployment data
According to third disposes the total data or partial data that data are the first request deployment data in advance.
Specifically, if first node equipment 10 receives the data deployment feedback of second node equipment 20, second is sent
Data notification is communicated to third node device 30, the third node device 30 with first node equipment 10 and second node equipment 20
Connection, so that third node device 30 responds the second data notification, to first node equipment 10 and the second node equipment 20
Issue the second request of data.
Wherein, the second data notification includes the second pre- deployment that first node equipment 10 is deployed in third node device 30 in advance
The third that the information and second node equipment 20 of data are deployed in third node device 30 in advance disposes the information of data, second in advance
The size of request deployment data and the size of third request deployment data, the second pre- deployment data are the whole of pre- deployment data
Data or partial data, third dispose the total data or partial data that data are the first request deployment data in advance.
The third node device 30 can be one or more, it is not limited here.
Step S16: detecting whether to receive the second request of data, second request of data include third node device to
First node device request be deployed in third node device second request deployment data information and third node device to
Second node device request is deployed in the information of the third request deployment data of third node device, wherein the second request deployment
Data include the total data or partial data of the described second pre- deployment data, and third request deployment data are that third disposes number in advance
According to total data or partial data.
First node equipment 10 detects whether to receive the second request of data, which includes that third node is set
Standby 30 request the information and third of the second request deployment data for being deployed in third node device 30 to first node equipment 10
The information for the third request deployment data that node device 30 requests to be deployed in third node device 30 to second node equipment 20,
In, the second request deployment data packet includes the total data or partial data of the second pre- deployment data, and third request deployment data are
Third disposes the total data or partial data of data in advance.
As shown in Figure 2 B, third node device 30 responds the second data notification, to first node equipment 10 and the second electronics
Equipment 20 issues the second request of data.
If being stored with pre- deployment data A in the third node device 20.In the second request of data then issued, request
First node equipment 10 and second node equipment 20 to third node device 30 and send pre- deployment data B, C, D, pre- to complete
Data A, B, C, D are disposed in the deployment of third node device 20.
If being stored with pre- deployment data A, B in the third node device 20.In the second request of data then issued, ask
First node equipment 10 and second node equipment 20 are asked to third node device 30 and sends pre- deployment data C, D, it is pre- to complete
Data A, B, C, D are disposed in the deployment of third node device 20.
Step S17: if receiving second request of data, second request of data is responded by second request unit
Administration's data are sent to the third node device.
If first node equipment 10 receives the second request of data, the second request of data is responded by the second request and disposes number
According to third node device 30 is sent to, to complete pre- deployment data in the deployment of third node device 30.
Referring to Fig. 4, Fig. 4 is a kind of data deployment method based on DHT provided by the invention, it is applied to data deployment system
System, data deployment system include first node equipment and the second node equipment with the communication connection of first node equipment, the number
It include step S21-S25 according to dispositions method.
Step S21: the first data notification is sent to the second node equipment, wherein first data notification includes
The first node equipment is deployed in the information of the first pre- deployment data of the second node equipment, the described first pre- deployment in advance
Data are the total data or partial data of the pre- deployment data.
First node equipment 10 is stored with pre- deployment data, and first node equipment 10 in advance disposes the pre- deployment data
When, the first data notification is sent to second node equipment 20, wherein the first data notification includes that first node equipment 10 is disposed in advance
In the information that the first of second node equipment 20 disposes data in advance, the first pre- deployment data be pre- deployment data total data or
Partial data.
Step S22: the second node equipment judges whether that first data notification need to be responded.
Fig. 5 A is please referred to, in some embodiments, step S22 specifically includes step S221a-S223a.
Step S221a: the second node equipment judges whether the second node equipment is stored with the first pre- deployment number
According to.
Second node equipment 20 is deployed in second section by first node equipment 10 in the first data notification of comparison in advance
The data information of the first of point device pre- deployment data information and second node equipment 20 itself storage, to judge the second section
Whether point device is stored with the first pre- deployment data.
Step S222a: if the second node equipment is not stored there are the first pre- deployment data, judge the second node
Whether the memory space of equipment is greater than given threshold.
If second node equipment 20 judges itself to be stored with the first pre- deployment data, anti-to first node equipment 10
The feedback that the second node equipment 20 has stored is presented, and terminates the data deployment method process.
If judge itself it is not stored have the first pre- deployment data, judge whether the memory space of second node equipment 20 big
In given threshold.
Step S223a: if the memory space of the second node equipment is greater than setting threshold value, judge need to respond described the
One data notification.
Fig. 5 B is please referred to, in some embodiments, step S22 specifically includes step S221b-S223b.
Step S221b: the second node equipment judges whether the memory space of the second node equipment is greater than setting
Threshold value.
Step S222b: if the memory space of the second node equipment is greater than given threshold, judge the second node
Whether equipment is stored with the first pre- deployment data.
If second node equipment 20 judges that itself memory space is less than or equal to given threshold, to first node equipment 10
20 storage space of second node equipment deficiency is fed back, and terminates the data deployment method process.
If judging, the memory space of second node equipment 20 is greater than given threshold, whether judges second node equipment 20
It is stored with the first pre- deployment data.
Step S223b: if the second node equipment is not stored there are the first pre- deployment data, judge need to respond described the
One data notification.
Step S23: if first data notification need to be responded, second node equipment is issued to the first node equipment
First request of data, first request of data include that the second node equipment to first node device request is deployed in second
The information of first request deployment data of node device, wherein the first request deployment data are the described first pre- deployment number
According to total data or partial data.
Step S24: first node equipment detects whether to receive first request of data.
Step S25: it if receiving first request of data, responds first request of data and is requested described first
Deployment data are sent to the second node equipment.
In some embodiments, before step S21, the data deployment method further includes step S20.
Step S20: the nodal information of first node equipment acquisition second node equipment, wherein the nodal information includes
Address information.
Step S20 is identical as the step S10 in Fig. 3 B, and this will not be repeated here.Part is data deployment system in embodiment
100 further include third node device 30, third node device 30 and 20 communication link of first node equipment 10 and second node equipment
It connects as shown in Figure 2 A.
After step s25, the data deployment method further includes step S26-S31:
Wherein, step S26: the data deployment whether the first node equipment receives the second node equipment is anti-
Feedback.
Step S27: if receiving the deployment feedback of the second node equipment, the second data notification is sent to described the
Three node devices, wherein second data notification includes that the first node equipment is deployed in the third node device in advance
The second pre- deployment data information and second node equipment be deployed in the third of the third node device in advance and dispose number in advance
According to information, the described second pre- deployment data are the total data or partial data of the pre- deployment data, and third disposes number in advance
According to the total data or partial data for the first request deployment data.
Step S28: the third node device judges whether that second data notification need to be responded.
Step S29: it if second data notification need to be responded, is sent out to the first node equipment and second node equipment
Second request of data out, second request of data include that third node device to first node device request is deployed in third section
The information and third node device of second request deployment data of point device are deployed in third section to second node device request
The information of the third request deployment data of point device, wherein the second request deployment data packet includes the described second pre- deployment data
Total data or partial data, third request deployment data are the total data or partial data that third disposes data in advance.
Step S30: the first node equipment and the second node equipment detect whether to receive the second request of data.
Step S31: if the first node equipment and the second node equipment receive second request of data,
The first node equipment responds second request of data and the second request deployment data is sent to the third node
Equipment, the second node equipment, which responds second request of data, requests deployment data to be sent to the third third
Node device.
In some embodiments, step S28 includes:
Step S281a: the third node device judges whether the memory space of the third node device is greater than setting
Threshold value；
Step S282a: if the memory space of the third node device is greater than given threshold, judge the third node
Whether equipment is stored with third and disposes data in advance, and the described second pre- deployment data include that the third disposes data in advance；
Step S283a: having third to dispose data in advance if the third node device is not stored, judges that described need to be responded
Two data notifications.
In some embodiments, step S28 includes:
Step S281b: the third node device judges whether the third node device is stored with third and disposes number in advance
According to the described second pre- deployment data include that the third disposes data in advance；
Step S282b: if the not stored third of the second node equipment disposes data in advance, judge the third section
The memory space of point device is greater than given threshold；
Step S283b: if the memory space of the third node device is greater than given threshold, judge need to respond described the
Two data notifications.
The present invention also provides a kind of data deployment method based on DHT network, applied to data deployment system second
Node device 20, the second node equipment 20 and first node equipment 10 communicate to connect.
Referring to Fig. 6, the data deployment method includes step S40-S42.
Step S40: detecting whether to receive the first data notification, and first data notification is first node to described the
Two node devices are sent, wherein first data notification includes that the first node equipment is deployed in the second node in advance and sets
The information of the pre- deployment data of standby first, the described first pre- deployment data are the total data or part number of the pre- deployment data
According to.
Step S41: judge whether that first data notification need to be responded.
In some embodiments, step S41 specifically includes step S411a-S413a.
Step S311a: the second node equipment judges whether the second node equipment is stored with the first pre- deployment number
According to.
Second node equipment 20 is deployed in second section by first node equipment 10 in the first data notification of comparison in advance
The data information of the first of point device pre- deployment data information and second node equipment 20 itself storage, to judge the second section
Whether point device 20 is stored with the first pre- deployment data.
Step S412a: if the second node equipment is not stored there are the first pre- deployment data, judge the second node
Whether the memory space of equipment is greater than given threshold.
If second node equipment 20 judges itself to be stored with the first pre- deployment data, anti-to first node equipment 10
The feedback that the second node equipment 20 has stored is presented, and terminates the data deployment method process.
If judge itself it is not stored have the first pre- deployment data, judge whether the memory space of second node equipment 20 big
In given threshold.
Step S413a: if the memory space of the second node equipment is greater than setting threshold value, judge need to respond described the
One data notification.
In some embodiments, step S41 specifically includes step S411b-S413b.
Step S411b: the second node equipment judges whether the memory space of the second node equipment is greater than setting
Threshold value.
Step S412b: if the memory space of the second node equipment is greater than given threshold, judge the second node
Whether equipment is stored with the first pre- deployment data.
If second node equipment 20 judges that itself memory space is less than or equal to given threshold, to first node equipment 10
20 storage space of second node equipment deficiency is fed back, and terminates the data deployment method process.
If judging, the memory space of second node equipment 20 is greater than given threshold, whether judges second node equipment 20
It is stored with the first pre- deployment data.
Step S413b: if the second node equipment is not stored there are the first pre- deployment data, judge need to respond described the
One data notification.
Step S42: if first data notification need to be responded, the first data is issued to the first node equipment and are asked
It asks, first request of data includes that the second node equipment to first node device request is deployed in second node equipment
The information of first request deployment data, so that first node equipment, which responds first request of data, disposes data for the first request
It is sent to the second node equipment, wherein the first request deployment data are whole numbers of the described first pre- deployment data
According to or partial data.
Part is in embodiment, and data deployment system 100 further includes third node device 30, third node device 30 and the
One node device 10 and second node equipment 20 communicate to connect as shown in Figure 2 A.
After step S42, the data deployment method further includes step S43-S44.
Wherein, step S43, detects whether to receive the second request of data, and second request of data is the third section
Point device responds the second data notification and sends to two node device and first node equipment；Wherein, second data are logical
Know the information and second for being deployed in the second pre- deployment data of the third node device in advance including the first node equipment
The third that node device is deployed in the third node device in advance disposes the information of data in advance, and the described second pre- deployment data are institute
State it is pre- deployment data total data or partial data, third dispose in advance data be first request deployment data total data or
Partial data；
Second request of data includes that third node device to first node device request is deployed in third node device
The second request deployment data information and third node device to second node device request be deployed in third node device
Third request deployment data information, the second request deployment data packet includes total data or the portion of the described second pre- deployment data
Divided data, third request deployment data are the total data or partial data that third disposes data in advance.
Specifically, second node equipment 20 detects whether to receive the second request of data, which is third
Node device 30 responds the second data notification and sends to second node equipment 20 and first node equipment 10.Wherein, the second data
Notice is after first node equipment 10 receives the deployment feedback that second node equipment 20 completes the deployment of the first request data, to obtain
The nodal information of third node device 30 in the DHT network, and sent to third node device 30.Second data are logical
Know the information and second node for being deployed in the second pre- deployment data of third node device 30 in advance including first node equipment 10
The third that equipment 20 is deployed in third node device 30 in advance disposes the information of data in advance, and the second pre- deployment data are pre- deployment data
Total data or partial data, third dispose in advance data be first request deployment data total data or partial data.
Second request of data includes that third node device 30 requests to be deployed in third node device to first node equipment 10
The information and third node device 30 of 30 the second request deployment data request to be deployed in third section to second node equipment 20
The information of the third request deployment data of point device 30, the second request deployment data packet include the total data of the second pre- deployment data
Or partial data, third request deployment data are the total data or partial data that third disposes data in advance.
Wherein, step S44 responds second request of data for described if receiving second request of data
Three request deployment data are sent to the third node device.
Referring to Fig. 7, in some embodiments, first node equipment 10 includes memory 101, processor 101 and total
Line 103.Wherein memory 101 is connect by bus 103 with processor 102.
Memory 101 includes at least a type of readable storage medium storing program for executing, and the readable storage medium storing program for executing includes flash memory, hard
Disk, multimedia card, card-type memory (for example, SD or DX memory etc.), magnetic storage, disk, CD etc..Memory 101
It can be the internal storage unit of terminal device 10, such as the hard disk of node device in some embodiments.Memory 101 is another
It is also possible to the External memory equipment of node device, such as the plug-in type hard disk that node device is equipped with, intelligence in some embodiments
Storage card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card)
Deng.Further, memory 101 can also both including node device internal storage unit and also including External memory equipment.It deposits
Reservoir 101 can be not only used for the application software and Various types of data that storage is installed on node device, such as computer-readable program
Code etc..
Such as, memory 101 is stored with the corresponding computer executable program of data deployment method, to adjust in processor 102
When the data deployment method program that can be performed with the computer, first node equipment 10 can be made to execute the data deployment method.
Processor 102 can be in some embodiments a central processing unit (Central Processing Unit,
CPU), controller, microcontroller, microprocessor or other data processing chips, the program for being stored in run memory 101
Code or processing data, such as execute computer-readable program etc..
Bus 103 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation
PCI) bus or expanding the industrial standard structure (extended industry standard architecture, abbreviation EISA)
Bus etc..The bus can be divided into address bus, data/address bus, control bus etc..
It is understood that also to can have first node equipment 10 identical for second node equipment 20 and third node device 30
Structure has memory and processor.Wherein memory is stored with the corresponding computer executable program of data deployment method,
Node device can be made to execute data deployment when processor calls the executable data deployment method program of the computer
Method.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of data deployment method based on DHT network, is applied to first node equipment, the first node equipment is stored with
Pre- deployment data, which is characterized in that the data deployment method includes:
The first data notification is sent to the second node equipment, wherein first node equipment and second node equipment communication link
It connects, first data notification includes the first pre- deployment number that the first node equipment is deployed in the second node equipment in advance
According to information, the described first pre- deployment data are the total data or partial data of the pre- deployment data；
It detects whether to receive the first request of data, first request of data is second node equipment response described first
Data notification is sent to the first node equipment, and first request of data includes the second node equipment to first node
Device request is deployed in the information of the first request deployment data of second node equipment, and the first request deployment data are described
The total data or partial data of first pre- deployment data；
If receiving first request of data, first request of data is responded by the first request deployment data and is sent to institute
State second node equipment.
2. data deployment method as described in claim 1, it is characterised in that: in the first data notification of the transmission to described
Before two node devices, the data deployment method further include: the nodal information for obtaining second node equipment, wherein the node
Information includes address information.
3. data deployment method as claimed in claim 1 or 2, it is characterised in that: responding first request of data for institute
It states the first request deployment data to be sent to after the second node equipment, the data deployment method further include:
Detect whether that the data deployment for receiving the second node equipment is fed back；
If receiving the deployment feedback of the second node equipment, the second data notification is sent to the third node device,
So that third node device responds second data notification, Xiang Suoshu first node equipment and the second node equipment are issued
Second request of data, wherein second data notification includes that the first node equipment is deployed in the third node in advance and sets
The third that the information and second node equipment of the pre- deployment data of standby second are deployed in the third node device in advance is disposed in advance
The information of data, the described second pre- deployment data are the total data or partial data of the pre- deployment data, and third is disposed in advance
Data are the total data or partial data of the first request deployment data；
Detect whether to receive the second request of data, second request of data includes third node device to first node equipment
Request the be deployed in third node device second information for requesting deployment data and third node device to second node equipment
Request is deployed in the information of the third request deployment data of third node device, wherein the second request deployment data packet includes described
The total data or partial data of second pre- deployment data, third request deployment data are the total data that third disposes data in advance
Or partial data；
If receiving second request of data, responds second request of data and be sent to the second request deployment data
The third node device.
4. a kind of data deployment method based on DHT network is applied to second node equipment, the second node equipment and first
Node device communication connection, which is characterized in that the data deployment method includes:
Detect whether to receive the first data notification, first data notification is the first node equipment to second section
Point device is sent, wherein first data notification includes that the first node equipment is deployed in the second node equipment in advance
The information of first pre- deployment data, the described first pre- deployment data are the total data or partial data of the pre- deployment data；
Judge whether that first data notification need to be responded；
If first data notification need to be responded, the first request of data, first number are issued to the first node equipment
It is deployed in the first request deployment of second node equipment to first node device request including the second node equipment according to request
The information of data, so that first node equipment, which responds first request of data, is sent to described for the first request deployment data
Two node devices, wherein the first request deployment data are the total data or partial data of the described first pre- deployment data.
5. data deployment method as claimed in claim 4, it is characterised in that: judge whether that first data notification need to be responded
Include:
Judge whether the second node equipment is stored with the first pre- deployment data；
If the second node equipment is not stored there are the first pre- deployment data, the memory space of the second node equipment is judged
Whether given threshold is greater than；
If the memory space of the second node equipment is greater than setting threshold value, judge that first data notification need to be responded.
6. data deployment method as claimed in claim 4, it is characterised in that: judge whether that first data notification need to be responded
Include:
Judge whether the memory space of the second node equipment is greater than given threshold；
If the memory space of the second node equipment is greater than given threshold, judge whether the second node equipment is stored with
First pre- deployment data；
If the second node equipment is not stored there are the first pre- deployment data, judge that first data notification need to be responded.
7. data deployment method as claimed in claim 4, the second node equipment and third node device communicate to connect,
It is characterized in that, the data deployment method further include:
It detects whether to receive the second request of data, second request of data is that the third node device responds the second data
It notifies to send to two node device and first node equipment；Wherein, second data notification includes the first node
Equipment is deployed in the information of the second pre- deployment data of the third node device in advance and second node equipment is deployed in institute in advance
The third for stating third node device disposes the information of data in advance, and the described second pre- deployment data are the whole of the pre- deployment data
Data or partial data, third dispose the total data or partial data that data are the first request deployment data in advance；
Second request of data includes that third node device to first node device request is deployed in the of third node device
The information and third node device of two request deployment data are deployed in the of third node device to second node device request
The information of three request deployment data, the second request deployment data packet include the total data or part number of the described second pre- deployment data
According to third request deployment data are the total data or partial data that third disposes data in advance.
If receiving second request of data, responds second request of data and request deployment data to send the third
To the third node device.
8. a kind of data deployment method based on DHT network, it is applied to data deployment system, the data deployment system includes the
One node device and the second node equipment communicated to connect with first node equipment, the first node equipment are stored with pre- deployment
Data, which is characterized in that the data deployment method includes:
The first node equipment sends the first data notification to the second node equipment, wherein first data notification
It is deployed in the information of the first pre- deployment data of the second node equipment in advance including the first node equipment, described first is pre-
Dispose the total data or partial data that data are the pre- deployment data；
The second node equipment judges whether that first data notification need to be responded；
If first data notification need to be responded, second node equipment issues the first data to the first node equipment and asks
It asks, first request of data includes that the second node equipment to first node device request is deployed in second node equipment
The information of first request deployment data, wherein the first request deployment data are whole numbers of the described first pre- deployment data
According to or partial data；
First node equipment detects whether to receive first request of data；
If receiving first request of data, responds first request of data and send the first request deployment data
To the second node equipment.
9. data deployment method as claimed in claim 8, it is characterised in that: the data deployment system further includes third node
Equipment, the third node device and the first node equipment and the second node equipment communicate to connect, described in response
After the first request deployment data are sent to the second node equipment by the first request of data, the data deployment method
Further include:
Whether the first node equipment receives the data deployment feedback of the second node equipment；
If receiving the deployment feedback of the second node equipment, the second data notification is sent to the third node device,
Wherein, second data notification includes the second pre- deployment that the first node equipment is deployed in the third node device in advance
The third that the information and second node equipment of data are deployed in the third node device in advance disposes the information of data in advance, described
Second pre- deployment data are the total data or partial data of the pre- deployment data, and it is the first request unit that third disposes data in advance
Affix one's name to the total data or partial data of data；
The third node device judges whether that second data notification need to be responded；
If second data notification need to be responded, the second data are issued to the first node equipment and second node equipment and are asked
It asks, second request of data includes that third node device to first node device request is deployed in the second of third node device
The information and third node device of request deployment data are deployed in the third of third node device to second node device request
The information of request deployment data, wherein the second request deployment data packet includes total data or the portion of the described second pre- deployment data
Divided data, third request deployment data are the total data or partial data that third disposes data in advance；
The first node equipment and the second node equipment detect whether to receive the second request of data；
If the first node equipment and the second node equipment receive second request of data, the first node
Equipment responds second request of data and the second request deployment data is sent to the third node device, and described second
Node device, which responds second request of data, requests deployment data to be sent to the third node device third.
10. a kind of node device, which is characterized in that the node device includes:
Memory, the memory are used to store the executable data deployment method program of computer；And
Processor when the processor calls the data deployment method program, is executed as described in claim 1-7 any one
Data deployment method.
11. a kind of data deployment system based on DHT network, which is characterized in that the data deployment system includes:
First node equipment and the second node equipment communicated to connect with first node equipment；
Wherein, the first node equipment includes memory, and the memory is used to store the executable data deployment of computer
Method program；And
Processor when the processor calls the data deployment method program, is executed as described in claim 1-7 any one
Data deployment method.
12. a kind of storage medium, it is characterised in that: be stored with data deployment method program, the data on the storage medium
Dispositions method program can be executed by one or more processor, to realize data as claimed in any one of claims 1-9 wherein
Dispositions method.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133954.2A CN109885533A (en) | 2019-02-22 | 2019-02-22 | A kind of data deployment method based on DHT network, node device, data deployment system and storage medium |
| PCT/CN2019/093045 WO2020168666A1 (en) | 2019-02-22 | 2019-06-26 | Data deployment method based on dht network, node device, data deployment system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133954.2A CN109885533A (en) | 2019-02-22 | 2019-02-22 | A kind of data deployment method based on DHT network, node device, data deployment system and storage medium |
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Application publication date: 20190614 |