CN108111556A - A kind of data transmission method and system - Google Patents
A kind of data transmission method and system Download PDFInfo
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- CN108111556A CN108111556A CN201611053015.XA CN201611053015A CN108111556A CN 108111556 A CN108111556 A CN 108111556A CN 201611053015 A CN201611053015 A CN 201611053015A CN 108111556 A CN108111556 A CN 108111556A
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
- H04L51/046—Interoperability with other network applications or services
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- Computer Networks & Wireless Communication (AREA)
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- Information Transfer Between Computers (AREA)
Abstract
The embodiment of the invention discloses a kind of data transmission method, including：The first channel number and first node information, the first object data that the first channel number gathers for the first P2P clients of mark are obtained to node server；The first channel number is sent to the first XMPP clients；Receive the first data harvesting request of the first XMPP clients transmission；First data harvesting request is the first XMPP clients, after the first message request that will be generated based on the first channel number is sent to the 2nd XMPP clients via XMPP server, receive the 2nd XMPP client feedbacks with the first message request is corresponding receive information when, generation；Based on the first data harvesting request, first object data are gathered；First object data are sent to first node.P2P and XMPPP are combined by technical scheme, the advantages of make use of P2P and XMPPP, and scalability is strong, and usable range is wide, highly practical.
Description
Technical field
The present invention relates to technical field of data transmission, more particularly to a kind of data transmission method and system.
Background technology
At present, network information system can be divided into two classes, be based on C/S frameworks (client/server) and P2P respectively
The application system of (peer to peer, partner is to partner) framework.P2P applications allow directly to carry out by internet between host
It is in communication with each other, a P2P overlay network (Overlay Network) is formed between numerous Peer, so that various data are (such as text
This document, video file etc.) it can easily be shared between normal hosts.Instant messaging (such as Skype), file in the whole world is common
It is promising to enjoy (such as BT), distribution calculating, collaborative work etc..P2P causes the communication on network to become easily, more directly altogether
It enjoys and interacts and transmit.
XMPP is a kind of agreement of the subset X ML based on standard generalized markup language, it is inherited in XML environment flexibly
It is expansionary.Therefore, the application based on XMPP has superpower scalability.XMPP after extension can pass through transmission
The information of extension is established the demand that handles user and on the top of XMPP such as content delivering system and the service based on address
Etc. application programs.Moreover, XMPP contains the software protocol for server end, make it to converse with another, this makes
Developer is obtained to be easier to establish client applications or prepare system addition function to one.
In the implementation of the present invention, inventor has found that at least there are the following problems, in existing data transmission technology
In, the scheme carried out data transmission, but the scheme that no P2P and XMPP are combined are combined with other modes there are P2P, it is existing
Some technical solution poor expandabilities, are unfavorable for further expanding for entire data transmission system, and therefore, one kind can combine
The advantages of P2P and with superpower scalability data transmission method and system urgently research and develop.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of data transmission method and system, and XMPP functions is made full use of to be used for
The contact between user is established, and Peer-to-Peer Network P2P after the contact is established, can then complete the distribution of data, with reference to XMPPP
Instant messaging agreement and the mode of Peer-to-Peer Network P2P realize the whole process of data transmission, make full use of Peer-to-Peer Network P2P and
The advantages of XMPPP, scalability is strong, and usable range is wide, highly practical.
One side according to embodiments of the present invention, the embodiment provides a kind of data transmission methods, are applied to
First P2P clients, including：
The first channel number and first node information are obtained to node server, wherein, first channel number is used to identify
The first object data of first P2P clients acquisition；
First channel number is sent to the first XMPP clients；The first data for receiving the transmission of the first XMPP clients are adopted
Collection request；Wherein, first data harvesting request is the first XMPP clients, will be based on the first channel number life
Into the first message request be sent to the 2nd XMPP clients via XMPP server after, receive the 2nd XMPP client feedbacks
With first message request is corresponding receive information when, generation；
Based on the first data harvesting request, first object data are gathered；
The first object data are sent to first node corresponding with the first node information.
Preferably, the method further includes：
When receiving the second channel number of the first XMPP clients transmission, sent to node server and carry described second
The section point information request of channel number；Wherein, the second number of targets that the second channel number gathers for the 2nd P2P clients of mark
According to；
The section point information that receiving node server returns；
The request of the second target data is sent at least one section point corresponding with the section point information；
Receive the second target data that the section point returns.
Preferably, the method that the first channel number and first node information are obtained to node server, including：
Section is logged in when receiving the login control instruction that the first XMPP clients are sent, carrying predetermined channel numbers
Point server；
Receive first channel number and the first node information that the node server returns.
Preferably, the method for the section point information that the receiving node server returns, including：
The section point information for being at least stored with second target data that receiving node server returns, wherein, institute
Stating section point information includes the information of at least one section point, and the section point is included except the first P2P clients
With the P2P clients and/or data server outside the 2nd P2P clients；
The method for sending the request of the second target data at least one section point corresponding with section point information,
Including：
P2P clients into the section point send the request of the second target data；
Receive the second target data that the P2P clients in the section point return；Alternatively,
In the second target data that the P2P clients in not receiving the section point return, to the described second section
Data server in point sends the request of the second target data.
Preferably, the method further includes:
The message bit pattern bitmap of the 2nd P2P clients transmission is received,
Wherein, institute's bitmap information includes the cache information and identity information of the 2nd P2P clients, the caching letter
Breath is data cached for the 2nd P2P clients of mark；
Based on the identity information of the 2nd P2P clients, the nodal information of the 2nd P2P clients is updated to itself
Among nodal information.
According to another aspect of the present invention, the embodiment provides a kind of data transmission method, applied to second
P2P clients, including：
When receiving the first channel number of the 2nd XMPP clients transmission, sent to node server and carry described first
The first node information request of channel number, wherein, the first object number that the first channel number gathers for the first P2P clients of mark
According to；
The first node information that receiving node server returns；
First object request of data is sent at least one first node corresponding with the first node information；
Receive the first object data that the first node returns.
Preferably, the method further includes：
Receive the second data harvesting request of the 2nd XMPP clients transmission；Wherein, second data harvesting request is
The 2nd XMPP clients are receiving the first XMPP clients based on first channel number generation and are being serviced via XMPP
After first message request of device forwarding, to the first XMPP client feedbacks and the corresponding receive information of the first message request
When, generation；
The second channel number and section point information are obtained to node server, wherein, second channel number is used to identify
Second target data of the 2nd P2P clients acquisition；
Based on the second data harvesting request, the second target data is gathered；
Second target data is sent to section point corresponding with the section point information.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of data transmission method, should
For node server, including:
Obtain the predetermined channel numbers carried when the first P2P clients log in；
Judge whether the predetermined channel numbers are preset value；
If predetermined channel numbers are predetermined value, the first channel number and first node information are returned to the first P2P clients,
In, first node corresponding with the first node information is used to receive the first object data that the first P2P clients are sent.
Preferably, the method further includes：
The section point information request of the second channel number of carrying of the first P2P clients transmission is received, wherein, the second channel
Number for identify the 2nd P2P clients acquisition the second target data；
The section point information of second target data is at least stored with to the return of the first P2P clients；
Receive the first node information request of carrying first channel number of the 2nd P2P clients transmission；Wherein, first
The first object data that channel number gathers for the first P2P clients of mark；
The first node information of the first object data is at least stored with to the return of the 2nd P2P clients.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of first P2P clients,
Preferably, the first P2P clients, for obtaining the first channel number and first node letter to node server
Breath, wherein, the first object data that first channel number gathers for the first P2P clients of mark；
Preferably, the first P2P clients are additionally operable to send first channel number to the first XMPP clients；It receives
The first data harvesting request that first XMPP clients are sent；Wherein, first data harvesting request is the first XMPP
Client will be sent to the 2nd XMPP visitors based on the first message request that first channel number generates via XMPP server
Behind the end of family, receive its feedback with first message request is corresponding receive information when, generation；
Preferably, the first P2P clients are additionally operable to, based on the first data harvesting request, gather first object data；
Preferably, the first P2P clients are additionally operable to send the first object data and believe to the first node
Cease corresponding first node.
Preferably, the first P2P clients are additionally operable to when the second channel number for receiving the transmission of the first XMPP clients
When, the section point information request for carrying second channel number is sent to node server；Wherein, the second channel number is used to mark
Know the second target data of the 2nd P2P clients acquisition；
Preferably, the first P2P clients are additionally operable to the section point information of receiving node server return；
Preferably, the first P2P clients are additionally operable to corresponding with the section point information at least one second
Node sends the request of the second target data；
Preferably, the first P2P clients are additionally operable to receive the second target data that the section point returns.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of 2nd P2P clients,
Preferably, the 2nd P2P clients are additionally operable to when the first channel number for receiving the transmission of the 2nd XMPP clients
When, the first node information request for carrying first channel number is sent to node server, wherein, the first channel number is used to mark
Know the first object data of the first P2P clients acquisition；
Preferably, the 2nd P2P clients are additionally operable to the first node information of receiving node server return；
Preferably, the 2nd P2P clients are additionally operable to corresponding with the first node information at least one first
Node sends first object request of data；
Preferably, the 2nd P2P clients are additionally operable to receive the first object data that the first node returns.
Preferably, the 2nd P2P clients, the second data acquisition for being additionally operable to receive the transmission of the 2nd XMPP clients please
It asks；Wherein, second data harvesting request is the 2nd XMPP clients, and institute is based on receiving the first XMPP clients
It states the first channel number to generate and after the first message request via XMPP server forwarding, to the first XMPP client feedbacks and institute
When stating the corresponding receive information of the first message request, generation；
Preferably, the 2nd P2P clients are additionally operable to obtain the second channel number and section point letter to node server
Breath, wherein, the second target data that second channel number gathers for the 2nd P2P clients of mark；
Preferably, the 2nd P2P clients are additionally operable to, based on the second data harvesting request, gather the second target data；
Preferably, the 2nd P2P clients are additionally operable to send second target data and believe to the section point
Cease corresponding section point.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provides a kind of node server, described
Node server, for obtaining the predetermined channel numbers carried when the first P2P clients log in；
The node server is additionally operable to judge whether the predetermined channel numbers are preset value；If predetermined channel numbers are pre-
Definite value then returns to the first channel number and first node information to the first P2P clients, wherein, with the first node information pair
The first object data that the first node answered sends for the first P2P clients of reception.
Preferably, the node server is additionally operable to receive the of the second channel number of carrying that the first P2P clients are sent
Two nodal informations are asked, wherein, the second target data that the second channel number gathers for the 2nd P2P clients of mark；With,
Preferably, the node server is additionally operable at least be stored with second target to the return of the first P2P clients
The section point information of data；
Preferably, the node server is additionally operable to receive carrying first channel number that the 2nd P2P clients are sent
First node information request；Wherein, the first object data that the first channel number gathers for the first P2P clients of mark；With,
Preferably, the node server is additionally operable at least be stored with the first object to the return of the 2nd P2P clients
The first node information of data.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of data server,
The data server, for receiving and storing the target data of P2P clients transmission；
Preferably, the data server is additionally operable to, when receiving the target data request of P2P clients transmission, sentence
Break and itself whether there is target data；If there are the target datas, the target data is back to P2P clients；If
It is not present, then based on channel number corresponding with the target data, establishes to store the buffer address of the target data；
After buffer address is successfully established, target data is obtained to the data server for being at least stored with the target data, by acquisition
Target data is stored among the buffer address；And the target data is returned to P2P clients.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provide a kind of data transmission system, bag
It includes：
Above-described first P2P clients, above-described 2nd P2P clients, above-described node server
And above-described data server；
The system also includes：XMPP server, the first XMPP client being correspondingly arranged with the first P2P clients
End and, the 2nd XMPP clients being correspondingly arranged with the 2nd P2P clients；
Wherein, the first XMPP clients, for will based on the first channel number generate the first message request via
XMPP server is sent to the 2nd XMPP clients；With,
For receive with the first message request is corresponding receive information when the first data harvesting request for generating simultaneously
It is sent to the first P2P clients；
Wherein, the 2nd XMPP clients, for when receiving the first message request, generation to receive information；With,
For being based on receiving information, the second data harvesting request to the 2nd P2P clients is sent；With,
The second channel number sent for the 2nd P2P clients that will be received is sent to first via XMPP server
XMPP clients.
A kind of data transmission method provided in an embodiment of the present invention and system make full use of XMPP functions to be used for establishing use
Contact between family, and Peer-to-Peer Network P2P after the contact is established, can then complete the distribution of data, with reference to XMPPP Instant Messenger
Letter agreement and the mode of Peer-to-Peer Network P2P realize the whole process of data transmission, make full use of Peer-to-Peer Network P2P and XMPPP
Advantage, scalability is strong, and usable range is wide, highly practical.Moreover, in data transmission procedure, due to request data mode
Variation, you can, can also be to data server requests data, and no longer from data source section with to P2P client request data
Point request data so as to can also reduce the data pressure of data source nodes, and then improves the data of entire data transmission system
Efficiency of transmission.
Description of the drawings
Fig. 1 to Fig. 6 is the flow chart for the data transmission method that various embodiments of the present invention provide respectively；
Fig. 7 is the frame construction drawing of data transmission system provided in an embodiment of the present invention.
Reference sign：The first P2P clients of 1-；The first XMPP clients of 2-；3-XMPP servers；The 2nd XMPP of 4-
Client；The 2nd P2P clients of 5-；6- node servers；The second data download servers of 8-.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is omitted, to avoid this is unnecessarily obscured
The concept of invention.
Fig. 1 is a kind of flow chart for data transmission method that the first embodiment of the present invention provides；
As shown in Figure 1, in order to realize above-mentioned technical proposal, the first embodiment of the present invention provides a kind of transmission side data
Method, applied to the first P2P clients, the described method includes：
The first channel number and first node information are obtained to node server, wherein, first channel number is used to identify
The first object data of first P2P clients acquisition；Wherein, it should be noted that, first node information herein corresponds at least
One first node, first node include at least data server, wherein, data server is used to receive and store the first P2P
The first object data that client is sent；
First channel number is sent to the first XMPP clients；
Receive the first data harvesting request of the first XMPP clients transmission；Wherein, first data harvesting request is
The first XMPP clients are sent in the first message request that will be generated based on first channel number via XMPP server
To the 2nd XMPP clients, receive the 2nd XMPP client feedbacks with the corresponding receiving letter of first message request
During breath, generation；
Based on the first data harvesting request, first object data are gathered；It should be noted that the first P2P clients can incite somebody to action
The first object data of acquisition are cached.
The first object data are sent to first node corresponding with the first node information, wherein, it needs to illustrate
, the target data of acquisition can only be sent in first node corresponding with first node information by the first P2P clients
On at least one data server.
As shown in Fig. 2, on the basis of first embodiment of the invention, the present invention also provides second embodiment, specifically,
The method further includes：
When receiving the second channel number of the first XMPP clients transmission, sent to node server and carry described second
The section point information request of channel number；Wherein, the second number of targets that the second channel number gathers for the 2nd P2P clients of mark
According to；
The section point information that receiving node server returns；
The request of the second target data is sent at least one section point corresponding with the section point information；
The second target data of the section point return is received, it is necessary to which explanation, the first P2P clients can will receive
To the second target data of the 2nd P2P clients cached.
As shown in figure 3, on the basis of second embodiment of the invention, the present invention also provides 3rd embodiment, specifically,
The method that the first channel number and first node information are obtained to node server, including：
Section is logged in when receiving the login control instruction that the first XMPP clients are sent, carrying predetermined channel numbers
Point server；Node server can preserve the nodal information of the first P2P clients, and judge whether predetermined channel numbers are predetermined
Value if predetermined value, then returns to first channel number for being used for the target data that the first P2P clients of unique mark gather,
With first node information；Preferably, predetermined value 0；
Receive first channel number and the first node information that the node server returns.
As shown in figure 4, on the basis of second embodiment of the invention, the present invention also provides fourth embodiment, specifically,
The method for the section point information that the receiving node server returns, including：
The part section point information for being at least stored with second target data that receiving node server returns,
In, the section point information includes the information of at least one section point, and the section point is included except the first P2P visitors
P2P clients and/or data server outside family end and the 2nd P2P clients；
The method for sending the request of the second target data at least one section point corresponding with section point information,
Including：
P2P clients into the section point send the request of the second target data；
Receive the second target data that the P2P clients in the section point return；Alternatively,
In the second target data that the P2P clients in not receiving the section point return, to the described second section
Data server in point sends the request of the second target data.Wherein, it is necessary to illustrate, at this time due to being the first P2P client
Hold the second target data that the acquisition of the 2nd P2P clients is obtained from the 2nd P2P clients, then, at this point, the 2nd P2P clients
Also that is, a data source nodes, according to the section point information that node server returns, the first P2P clients can to except
Data source nodes and other nodes outside itself (namely the P2P clients outside the first P2P clients and the 2nd P2P clients,
And/or data server) the second target data of request so that the first P2P clients and other P2P clients are obtaining the second mesh
When marking data, no longer asked to data source nodes, so as to reduce the pressure of data source；
It should be noted that data server when receiving the request of the second target data, judges itself with the presence or absence of the
Two target datas；If there are second target datas, second target data is returned；If being not present, be based on
Corresponding second channel number of second target data is established to store the buffer address of second target data；And
After buffer address is successfully established, the second target data is obtained to the data server for being stored with the second target data, and will be obtained
The second target data taken is stored among the buffer address；And asked based on the second target data, return to second mesh
Mark data.
As a kind of preferred embodiment, the method further includes:
The message bit pattern bitmap of the 2nd P2P clients transmission is received,
Wherein, institute's bitmap information includes the cache information and identity information of the 2nd P2P clients, the caching letter
Breath is data cached for the 2nd P2P clients of mark；
Based on the identity information of the 2nd P2P clients, the nodal information of the 2nd P2P clients is updated to itself
Among nodal information.Wherein, it is necessary to explanation, each P2P clients (including：First P2P clients, the 2nd P2P clients
And/or the first other P2P clients outside P2P clients and the 2nd P2P clients) itself it can all safeguard a nodal information
List, can be by this node of the 2nd P2P clients when receiving the message bit pattern bitmap that the 2nd P2P clients are sent
Nodal information is added among the nodal information list of itself.
Meanwhile the first P2P clients the message bit pattern bitmap of itself can be also sent to the 2nd P2P clients for
The nodal information of first P2P clients is added among the nodal information list of itself by two P2P clients.
Fig. 5 is the flow chart for the data transmission method that fifth embodiment of the invention provides；
As shown in figure 5, the fifth embodiment of the present invention provides a kind of data transmission method, applied to the 2nd P2P client
End, including：
When receiving the first channel number of the 2nd XMPP clients transmission, sent to node server and carry described first
The first node information request of channel number, wherein, the first object number that the first channel number gathers for the first P2P clients of mark
According to；Wherein, it is necessary to be explanatorily, the first channel number herein is that the first P2P clients login node server obtains, the
First channel number is sent to the first XMPP clients by one P2P clients, and the first XMPP clients, which can generate, carries the first channel
Number message request, and by carry the first channel number message request be transmitted to the 2nd XMPP clients via XMPPP servers,
When the 2nd XMPP clients receive invite and generate receive information when, the first channel number can be sent to the 2nd P2P clients.
The first node information that receiving node server returns；
First object request of data is sent at least one first node corresponding with the first node information；
Receive the first object data that the first node returns；It should be noted that the 2nd P2P clients can will receive
To the first P2P clients acquisition first object data cached.
Wherein, it is necessary to which explanation, first node information correspond at least one first node, first node includes at least：
P2P clients and/or data server in addition to the first P2P clients and the 2nd P2P clients；
Further, sending first object data at least one first node corresponding with the first node information please
The method asked includes：
P2P clients into the first node send first object request of data；
Receive the second target data that the P2P clients in the section point return；Alternatively,
In the first object data that the P2P clients in not receiving the first node return, to the first segment
Data server in point sends first object request of data.It should be noted that at this time due to being the 2nd P2P clients from
One P2P clients obtain the first object data of the first P2P clients acquisition, then, at this point, the first P2P clients namely phase
When in a data source nodes, according to the first node information that node server returns, the 2nd P2P clients can be to except data source
Node and other nodes outside itself (namely P2P clients outside the first P2P clients and the 2nd P2P clients and/or
Data server) request first object data so that the 2nd P2P clients and other P2P clients are obtaining the second number of targets
According to when, no longer to data source nodes ask, so as to reduce the pressure of data source；
Wherein, it is necessary to which explanation, data server judge whether itself deposits when receiving first object request of data
In first object data；If there are the first object data, the first object data are returned；If being not present, base
In with corresponding first channel number of the first object data, establish with storing the caching of the first object data
Location；And after buffer address is successfully established, first object data are obtained to the data server for being stored with first object data, and
The first object data of acquisition are stored among the buffer address；And based on first object request of data, described the is returned
One target data.
As shown in fig. 6, on the basis of fifth embodiment of the invention, the present invention also provides sixth embodiment, specifically,
The method further includes：
Receive the second data harvesting request of the 2nd XMPP clients transmission；Wherein, second data harvesting request is
The 2nd XMPP clients are receiving the first XMPP clients based on first channel number generation and are being serviced via XMPP
After first message request of device forwarding, to the first XMPP client feedbacks and the corresponding receive information of the first message request
When, generation；
The second channel number and section point information are obtained to node server, wherein, second channel number is used to identify
Second target data of the 2nd P2P clients acquisition；
Based on the second data harvesting request, the second target data is gathered；It should be noted that the 2nd P2P clients can incite somebody to action
Second target data of acquisition is cached.
Second target data is sent to section point corresponding with the section point information；
Wherein, section point information corresponds at least one section point, and section point includes at least：Except the first P2P
P2P clients and/or data server outside client and the 2nd P2P clients；
Wherein, it is necessary to be explanatorily, the second target data can be only sent in section point extremely by the 2nd P2P clients
A few data server.
Wherein, the method for the second channel number and section point information is obtained to node server to be included：
When receiving the second data harvesting request of the 2nd XMPP clients transmission, carry predetermined channel numbers and log in node clothes
Business device；Node server can preserve the nodal information of the 2nd P2P clients, and judge whether predetermined channel numbers are predetermined value, if
For predetermined value, then second channel number and second for being used for the target data that the 2nd P2P clients of unique mark gather is returned
Nodal information；Preferably, predetermined value 0；
Receive the second channel number and the section point information that the node server returns.
The sixth embodiment of the present invention additionally provides a kind of data transmission method, applied to node server, including:
Obtain the predetermined channel numbers carried when the first P2P clients log in；
Judge whether the predetermined channel numbers are preset value；
If predetermined channel numbers are predetermined value, the first channel number and first node information are returned to the first P2P clients,
In, first node corresponding with the first node information is used to receive the first object data that the first P2P clients are sent.
It should be noted that the method further includes；Obtain the predetermined channel numbers carried when the 2nd P2P clients log in；
Judge whether the predetermined channel numbers are preset value；
If predetermined channel numbers are predetermined value, the second channel number and section point information are returned to the 2nd P2P clients,
In, section point corresponding with the section point information is used to receive the first object data that the 2nd P2P clients are sent.
Certainly, when other P2P clients carry a predetermined channel numbers and log in node server, node server is similary
Can judge whether predetermined channel numbers are predetermined value, when determine the channel number for predetermined value when, then to the P2P clients return
One be used for as the P2P clients gathered data unique mark channel number and with being adopted for storing the P2P clients
The corresponding nodal information of node of the data of collection.
As a kind of preferred embodiment, shown method further includes：
The section point information request of the second channel number of carrying of the first P2P clients transmission is received, wherein, the second channel
Number for identify the 2nd P2P clients acquisition the second target data；
The section point information of second target data is at least stored with to the return of the first P2P clients；
Receive the first node information request of carrying first channel number of the 2nd P2P clients transmission；Wherein, first
The first object data that channel number gathers for the first P2P clients of mark；
The first node information of the first object data is at least stored with to the return of the 2nd P2P clients.
It should be noted that working as the first channel number and the second channel are removed in the carrying for receiving the transmission of other P2P clients
During the nodal information request of other channel numbers outside number, node server can carry out operation same as described above.
It should be noted that each P2P client nodes are saved in node server (including the first P2P clients,
Two P2P clients and/or the P2P clients in addition to the first P2P clients and the 2nd P2P clients) and each data service
The nodal information of device node, wherein, the nodal information of each node includes the IP address of the node and the channel number of the node,
And/or the Universally Unique Identifier uuid of the node.When receive carry any channel number (including the first channel number,
Two channel numbers and/or other channel numbers) nodal information request when, node server can be based on the channel number received at itself
It is searched whether in the nodal information of each node preserved there are the channel number, if in the presence of will number corresponding with the channel number
It is returned according to server and/or the nodal information of the P2P clients of non-data source node, herein, it is necessary to explanation, non-data source
The P2P clients of node are for the P2P clients of this side of sending node information request, for example, when second
P2P clients are sending the first node information request for carrying the first channel number to obtain the first P2P client to node server
When holding the first object data of acquisition, for corresponding 2nd P2P clients, the first P2P clients are data source nodes, and
Other P2P clients outside first P2P clients and the 2nd P2P clients are non-data source node, if in the 2nd P2P
After client gets the first object data of the first P2P acquisitions, there are a 3rd P2P clients to receive by the 3rd
XMPP clients are receiving by the first XMPP transmissions and are receiving information via the message request and generation of XMPP server forwarding
When send the first channel number when, then for the 3rd P2P clients, the 2nd P2P clients be non-data source section
Point, at this point, the 3rd P2P clients can send the first node information request for carrying the first channel number to node server；At this point,
Node server then can by the nodal information of the 2nd P2P clients and/or other be stored with the P2P clients of first object data
Nodal information and/or the nodal information of data server be back to the 3rd P2P clients, the 3rd P2P clients can perform with
The identical operation of above-mentioned 2nd P2P clients first to P2P client request data, if do not received, then takes to data
Business device request data.
Wherein, it is necessary to explanation, the 3rd P2P clients again to before the 2nd P2P client requests data, it is necessary to the
Two P2P clients send the message bit pattern Bitmap of itself and believe the node of the 3rd P2P clients for the 2nd P2P clients
Breath is updated among the nodal information of itself.
As a kind of preferred embodiment, the embodiment of the present invention additionally provides a kind of data transmission method, applied to number
According to server；Including：
Receive and store the target data of P2P clients transmission；
When receiving the target data request of P2P clients transmission, judge that itself whether there is target data；If in the presence of
The target data is then back to P2P clients by the target data；If being not present, it is based on and the target data pair
The channel number answered is established to store the buffer address of the target data；After buffer address is successfully established, at least storing
Have the target data data server obtain target data, by the target data of acquisition be stored in the buffer address it
In；And the target data is returned to P2P clients.
In order to which above-described embodiment is better achieved, the embodiment of the present invention additionally provides the first P2P clients,
The first P2P clients, for obtaining the first channel number and first node information to node server, wherein,
The first object data that first channel number gathers for the first P2P clients of mark；With,
For sending first channel number to the first XMPP clients；Receive the first number of the first XMPP clients transmission
It is asked according to acquisition；Wherein, first data harvesting request is the first XMPP clients, will be based on first channel
Number generation the first message request be sent to the 2nd XMPP clients via XMPP server after, receive its feedback with it is described
First message request is corresponding when receiving information, generation；With,
For being based on the first data harvesting request, first object data are gathered；With,
For sending the first object data to first node corresponding with the first node information.
As a kind of preferred embodiment,
The first P2P clients are additionally operable to when receiving the second channel number of the first XMPP clients transmission, Xiang Jie
Point server sends the section point information request for carrying second channel number；Wherein, the second channel number is for mark second
Second target data of P2P clients acquisition；With,
The section point information returned for receiving node server；With,
For sending the request of the second target data at least one section point corresponding with the section point information；
With,
For receiving the second target data that the section point returns.
As a kind of preferred embodiment,
The first P2P clients are additionally operable to receiving the login control instruction of the first XMPP clients transmission
When, it carries predetermined channel numbers and logs in node server；
The first P2P clients are additionally operable to receive first channel number and first that the node server returns
Nodal information.
The first P2P clients, be additionally operable to the return of receiving node server is at least stored with second number of targets
According to section point information, wherein, the section point information includes the information of at least one section point, the section point
Including the P2P clients and/or data server in addition to the first P2P clients and the 2nd P2P clients；
The first P2P clients, P2P clients the second target data of transmission being additionally operable into the section point please
It asks；
The first P2P clients are additionally operable to receive the second number of targets that the P2P clients in the section point return
According to；Alternatively,
The first P2P clients are additionally operable to the P2P clients in the section point is not received return second
During target data, the data server into the section point sends the request of the second target data.
As a kind of preferred embodiment, the first P2P clients are additionally operable to receive what the 2nd P2P clients were sent
Message bit pattern bi tmap,
Wherein, institute's bitmap information includes the cache information and identity information of the 2nd P2P clients, the caching letter
Breath is data cached for the 2nd P2P clients of mark；
Based on the identity information of the 2nd P2P clients, the nodal information of the 2nd P2P clients is updated to itself
Among nodal information.
In order to which above-described embodiment is better achieved, the embodiment of the present invention additionally provides a kind of 2nd P2P clients, described
2nd P2P clients, for when receiving the first channel number of the 2nd XMPP clients transmission, being taken to node server transmission
First node information request with first channel number, wherein, what the first channel number gathered for identifying the first P2P clients
First object data；With,
The first node information returned for receiving node server；With,
For sending first object request of data at least one first node corresponding with the first node information；
With,
For receiving the first object data that the first node returns.
As a kind of preferred embodiment,
The 2nd P2P clients are additionally operable to receive the second data harvesting request that the 2nd XMPP clients are sent；Its
In, second data harvesting request is the 2nd XMPP clients, and described the is based on receiving the first XMPP clients
One channel number generates and after the first message request via XMPP server forwarding, to the first XMPP client feedbacks and described the
During the corresponding receive information of one message request, generation；With,
For obtaining the second channel number and section point information to node server, wherein, second channel number is used for
Identify the second target data of the 2nd P2P clients acquisition；With,
For being based on the second data harvesting request, the second target data is gathered；With,
For sending second target data to section point corresponding with the section point information.
As a kind of preferred embodiment,
The 2nd P2P clients, are additionally operable to, and are adopted when in the second data for receiving the 2nd XMPP clients transmission
During collection request, carry predetermined channel numbers and log in node server；
Receive second channel number and the section point information that the node server returns.
As a kind of preferred embodiment,
The 2nd P2P clients, be additionally operable to the return of receiving node server is at least stored with the first object number
According to first node information, wherein, the first node information includes the information of at least one first node, the first node
Including the P2P clients and/or data server in addition to the first P2P clients and the 2nd P2P clients；
As a kind of preferred embodiment,
The 2nd P2P clients, the P2P clients transmission first object data being additionally operable into the first node please
It asks；With,
For receiving the first object data of the return of the P2P clients in the first node；Alternatively,
For returned in the P2P clients in not receiving the first node first object data when, to described the
Data server in one node sends first object request of data.
As a kind of preferred embodiment,
The 2nd P2P clients, are additionally operable to
The message bit pattern bitmap of the 2nd P2P clients is sent,
Wherein, institute's bitmap information includes the cache information and identity information of the 2nd P2P clients, the caching letter
Breath is data cached for the 2nd P2P clients of mark；
At this point, the first P2P clients return the identity information based on the 2nd P2P clients, by the 2nd P2P clients
Nodal information is updated among the nodal information of itself.
It should be noted that the 2nd P2P clients can also receive the message bit pattern of the first P2P clients transmission by first
The nodal information of P2P clients is added among the nodal information of itself.
In order to which above-described embodiment is better achieved, the embodiment of the present invention additionally provides a kind of node server,
The node server, for obtaining the predetermined channel numbers carried when the first P2P clients log in；With,
For judging whether the predetermined channel numbers are preset value；If predetermined channel numbers are predetermined value, to the first P2P visitors
Family end returns to the first channel number and first node information, wherein, first node corresponding with the first node information is used to connect
Receive the first object data of the first P2P clients transmission.
The node server is additionally operable to obtain the predetermined channel numbers carried when the 2nd P2P clients log in；
It is additionally operable to judge whether the predetermined channel numbers are preset value；
If predetermined channel numbers are predetermined value, the second channel number and section point information are returned to the 2nd P2P clients,
In, section point corresponding with the section point information is used to receive the first object data that the 2nd P2P clients are sent.
Certainly, when other P2P clients carry a predetermined channel numbers and log in node server, node server is similary
Can judge whether predetermined channel numbers are predetermined value, when determine the channel number for predetermined value when, then to the P2P clients return
One be used for as the P2P clients gathered data unique mark channel number and with being adopted for storing the P2P clients
The corresponding nodal information of node of the data of collection.
As a kind of preferred embodiment,
The node server is additionally operable to receive the section point for the second channel number of carrying that the first P2P clients are sent
Information request, wherein, the second target data that the second channel number gathers for the 2nd P2P clients of mark；With,
For being at least stored with the section point information of second target data to the return of the first P2P clients；With,
For receiving the first node information request for carrying first channel number that the 2nd P2P clients are sent；Wherein,
The first object data that first channel number gathers for the first P2P clients of mark；With,
For being at least stored with the first node information of the first object data to the return of the 2nd P2P clients.
In order to which above-described embodiment is better achieved, the embodiment of the present invention additionally provides a kind of data server, the number
According to server, for receiving and storing the target data of P2P clients transmission；With,
For when receiving the target data request of P2P clients transmission, judging that itself whether there is target data；If
There are the target datas, then the target data are back to P2P clients；If being not present, it is based on and the number of targets
According to corresponding channel number, establish to store the buffer address of the target data；After buffer address is successfully established, at least
The data server for being stored with the target data obtains target data, and the target data of acquisition is stored in the buffer address
Among；And the target data is returned to P2P clients.
As shown in fig. 7,
In order to be better achieved above-mentioned technical proposal, a kind of data transmission system, including：
Above-described first P2P clients 1, above-described 2nd P2P clients 5, above-described node serve
Device 6 and above-described data server 7；
The system also includes：XMPP server 3, the first XMPP client being correspondingly arranged with the first P2P clients 1
End 2 and, the 2nd XMPP clients 4 being correspondingly arranged with the 2nd P2P clients 5；
Wherein, the first XMPP clients 1, for will based on the first channel number generate the first message request via
XMPP server 3 is sent to the 2nd XMPP clients 4；With,
For receive with the first message request is corresponding receive information when the first data harvesting request for generating simultaneously
It is sent to the first P2P clients 1；
Wherein, the 2nd XMPP clients 4, for when receiving the first message request, generation to receive information；With,
For being based on receiving information, the second data harvesting request to the 2nd P2P clients 5 is sent；With,
The second channel number sent for the 2nd P2P clients 6 that will be received is sent to first via XMPP server 3
XMPP clients 2.Wherein, it is necessary to which explanation, the first P2P clients and the first P2P clients are two identical visitors
Family end, first and second do not have directive property, therefore when system only includes the first P2P clients and/or the 2nd P2P clients,
Also should be regarded as the protection domain of the embodiment of the present invention, when system include except the first P2P clients and/or the 2nd P2P clients it
During outer P2P clients, the protection domain of the embodiment of the present invention also should be regarded as.
Wherein, it is necessary to which explanation, each XMPP clients and XMPP server 2 support expansible communication and expression association
Discuss XMPP；
Each P2P clients and data download server support Peer-to-Peer Network P2P.
Data described in the embodiment of the present invention are video data, lteral data, voice data, in one or more.
It should be noted that the exemplary only structure charts of Fig. 7, and the limitation not to technical solution of the present invention, wherein,
The quantity of each server and each client in figure is also not limited to the present invention.
A kind of data transmission method provided in an embodiment of the present invention and system make full use of XMPP functions to be used for establishing use
Contact between family, and Peer-to-Peer Network P2P after the contact is established, can then complete the distribution of data, with reference to XMPPP Instant Messenger
Letter agreement and the mode of Peer-to-Peer Network P2P realize the whole process of data transmission, make full use of Peer-to-Peer Network P2P and XMPPP
Advantage, scalability is strong, and usable range is wide, highly practical.Moreover, in data transmission procedure, due to request data mode
Variation, you can, can also be to data server requests data, and no longer from data source section with to P2P client request data
Point request data so as to can also reduce the data pressure of data source nodes, and then improves the data of entire data transmission system
Efficiency of transmission.
It should be appreciated that the above-mentioned specific embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (17)
1. a kind of data transmission method, which is characterized in that applied to the first P2P clients, including：
The first channel number and first node information are obtained to node server, wherein, first channel number is for mark first
The first object data of P2P clients acquisition；
First channel number is sent to the first XMPP clients；
Receive the first data harvesting request of the first XMPP clients transmission；Wherein, first data harvesting request is described
First XMPP clients will be sent to the based on the first message request that first channel number generates via XMPP server
After two XMPP clients, receive the 2nd XMPP client feedbacks with first message request is corresponding receives information
When, generation；
Based on the first data harvesting request, first object data are gathered；
The first object data are sent to first node corresponding with the first node information.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
When receiving the second channel number of the first XMPP clients transmission, sent to node server and carry second channel
Number section point information request；Wherein, the second target data that the second channel number gathers for the 2nd P2P clients of mark；
The section point information that receiving node server returns；
The request of the second target data is sent at least one section point corresponding with the section point information；
Receive the second target data that the section point returns.
3. method according to claim 1 or 2, which is characterized in that it is described to node server obtain the first channel number and
The method of first node information, including：
Node clothes are logged in when receiving the login control instruction that the first XMPP clients are sent, carrying predetermined channel numbers
Business device；
Receive first channel number and the first node information that the node server returns.
4. the according to the method described in claim 2, it is characterized in that, section point information that the receiving node server returns
Method, including：
The section point information for being at least stored with second target data that receiving node server returns, wherein, described the
Two nodal informations include the information of at least one section point, and the section point is included except the first P2P clients and the
P2P clients and/or data server outside two P2P clients；
The method for sending the request of the second target data at least one section point corresponding with section point information, bag
It includes：
P2P clients into the section point send the request of the second target data；
Receive the second target data that the P2P clients in the section point return；Alternatively,
In the second target data that the P2P clients in not receiving the section point return, into the section point
Data server send the second target data request.
5. according to the method described in claim 1 or 2 or 4, it is characterised in that, the method further includes:
The message bit pattern bitmap of the 2nd P2P clients transmission is received,
Wherein, institute's bitmap information includes the cache information and identity information of the 2nd P2P clients, and the cache information is used
In the data cached of the 2nd P2P clients of mark；
Based on the identity information of the 2nd P2P clients, the nodal information of the 2nd P2P clients is updated to the node of itself
Among information.
6. a kind of data transmission method, which is characterized in that applied to the 2nd P2P clients, including：
When receiving the first channel number of the 2nd XMPP clients transmission, sent to node server and carry first channel
Number first node information request, wherein, the first channel number for identify the first P2P clients acquisition first object data；
The first node information that receiving node server returns；
First object request of data is sent at least one first node corresponding with the first node information；
Receive the first object data that the first node returns.
7. according to the method described in claim 6, it is characterized in that, the method further includes：
Receive the second data harvesting request of the 2nd XMPP clients transmission；Wherein, second data harvesting request is described
2nd XMPP clients are based on first channel number generation and via XMPP server turn receiving the first XMPP clients
After first message request of hair, during to the first XMPP client feedbacks and the corresponding receive information of first message request,
Generation；
The second channel number and section point information are obtained to node server, wherein, second channel number is for mark second
Second target data of P2P clients acquisition；
Based on the second data harvesting request, the second target data is gathered；
Second target data is sent to section point corresponding with the section point information.
8. a kind of data transmission method, it is characterised in that, applied to node server, including:
Obtain the predetermined channel numbers carried when the first P2P clients log in；
Judge whether the predetermined channel numbers are preset value；
If predetermined channel numbers are predetermined value, the first channel number and first node information are returned to the first P2P clients, wherein,
The first object data that first node corresponding with the first node information sends for the first P2P clients of reception.
9. it according to the method described in claim 8, it is characterized in that, further includes：
The section point information request of the second channel number of carrying of the first P2P clients transmission is received, wherein, the second channel number is used
In the second target data for identifying the acquisition of the 2nd P2P clients；
The section point information of second target data is at least stored with to the return of the first P2P clients；
Receive the first node information request of carrying first channel number of the 2nd P2P clients transmission；Wherein, the first channel
Number for identify the first P2P clients acquisition first object data；
The first node information of the first object data is at least stored with to the return of the 2nd P2P clients.
10. a kind of first P2P clients, which is characterized in that
The first P2P clients, for obtaining the first channel number and first node information to node server, wherein, it is described
The first object data that first channel number gathers for the first P2P clients of mark；With,
For sending first channel number to the first XMPP clients；The first data for receiving the transmission of the first XMPP clients are adopted
Collection request；Wherein, first data harvesting request is the first XMPP clients, will be based on the first channel number life
Into the first message request be sent to the 2nd XMPP clients via XMPP server after, receive its feedback with described first
Message request is corresponding when receiving information, generation；With,
For being based on the first data harvesting request, first object data are gathered；With,
For sending the first object data to first node corresponding with the first node information.
11. the first P2P clients according to claim 10, which is characterized in that
The first P2P clients are additionally operable to, when receiving the second channel number of the first XMPP clients transmission, take to node
The section point information request for device transmission carrying second channel number of being engaged in；Wherein, the second channel number is objective for identifying the 2nd P2P
Second target data of family end acquisition；With,
The section point information returned for receiving node server；With,
For sending the request of the second target data at least one section point corresponding with the section point information；With,
For receiving the second target data that the section point returns.
12. a kind of 2nd P2P clients, which is characterized in that
The 2nd P2P clients, for when receive the 2nd XMPP clients transmission the first channel number when, to node serve
Device sends the first node information request for carrying first channel number, wherein, the first channel number is for the first P2P client of mark
Hold the first object data of acquisition；With,
The first node information returned for receiving node server；With,
For sending first object request of data at least one first node corresponding with the first node information；With,
For receiving the first object data that the first node returns.
13. the 2nd P2P clients according to claim 12, which is characterized in that
The 2nd P2P clients are additionally operable to receive the second data harvesting request that the 2nd XMPP clients are sent；Wherein, institute
It is the 2nd XMPP clients to state the second data harvesting request, and first channel is based on receiving the first XMPP clients
Number generation and via XMPP server forwarding the first message request after, to the first XMPP client feedbacks with described first invite
During the corresponding receive information of information, generation；With,
For obtaining the second channel number and section point information to node server, wherein, second channel number is used to identify
Second target data of the 2nd P2P clients acquisition；With,
For being based on the second data harvesting request, the second target data is gathered；With,
For sending second target data to section point corresponding with the section point information.
14. a kind of node server, which is characterized in that
The node server, for obtaining the predetermined channel numbers carried when the first P2P clients log in；With,
For judging whether the predetermined channel numbers are preset value；If predetermined channel numbers are predetermined value, to the first P2P clients
The first channel number and first node information are returned, wherein, first node corresponding with the first node information is for receiving the
The first object data that one P2P clients are sent.
15. node server according to claim 14, which is characterized in that
The node server is additionally operable to receive the section point information for the second channel number of carrying that the first P2P clients are sent
Request, wherein, the second target data that the second channel number gathers for the 2nd P2P clients of mark；With,
For being at least stored with the section point information of second target data to the return of the first P2P clients；With,
For receiving the first node information request for carrying first channel number that the 2nd P2P clients are sent；Wherein, first
The first object data that channel number gathers for the first P2P clients of mark；With,
For being at least stored with the first node information of the first object data to the return of the 2nd P2P clients.
16. a kind of data server, which is characterized in that
The data server, for receiving and storing the target data of P2P clients transmission；With,
For when receiving the target data request of P2P clients transmission, judging that itself whether there is target data；If in the presence of
The target data is then back to P2P clients by the target data；If being not present, it is based on and the target data pair
The channel number answered is established to store the buffer address of the target data；After buffer address is successfully established, at least storing
Have the target data data server obtain target data, by the target data of acquisition be stored in the buffer address it
In；And the target data is returned to P2P clients.
17. a kind of data transmission system, which is characterized in that including：
The 2nd P2P clients described in the first P2P clients, claim 12 or 13, right described in claim 10 or 11
It is required that the data server described in node server and claim 16 described in 14 or 15；
The system also includes：XMPP server, the first XMPP clients being correspondingly arranged with the first P2P clients, with
And the 2nd XMPP clients being correspondingly arranged with the 2nd P2P clients；
Wherein, the first XMPP clients, the first message request for that will be generated based on the first channel number are taken via XMPP
Business device is sent to the 2nd XMPP clients；With,
For receive with the first message request is corresponding receive information when the first data harvesting request for generating and send
To the first P2P clients；
Wherein, the 2nd XMPP clients, for when receiving the first message request, generation to receive information；With,
For being based on receiving information, the second data harvesting request to the 2nd P2P clients is sent；With,
For the second channel number that the 2nd P2P clients that will be received are sent the first XMPP visitors are sent to via XMPP server
Family end.
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