CN101150410A - A method and system for sharing resources in network TV direct broadcasting room - Google Patents
A method and system for sharing resources in network TV direct broadcasting room Download PDFInfo
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Abstract
This invention provides a method and a system for sharing resources in a network TV living broadcast chamber, in which, the method includes the following steps: A, after a resource providing client end executes share of resources, it utilizes a server to synchronize search client ends to file information related to the share resource and divides it into file segments for downloading, B, a Nth search client end donwloads said share resource from the providing client end and/or the first to N-1 resource demand client end, and N is a positive integer not less than 1, in which, the resource demand client end can either download share resource from a providing end directly or from other demand client ends in the mode of P2P so as to release download pressure of the resource providing client end.
Description
Technical field
The present invention relates to the communications field, more particularly, relate to a kind of in network TV direct broadcasting room the method and system of shared resource.
Background technology
Emerged a large amount of network direct broadcasting software the today that develops rapidly in the Internet, and (Personal Computer PC) upward watches various TV programme by network TV direct broadcasting room, has enriched modern's life to be implemented in personal computer.
But in present network TV direct broadcasting room, if the program resource downloading that the member of studio need watch it is to this machine, can only be by the mode of directly downloading from resource provider, this mode is man-to-man mode, can not share with many people simultaneously, the person of asking for is too many as resource, certainly will constitute heavier download burden to this resource provider, and speed of download is also undesirable.
So need a kind of new method, can realize in network TV direct broadcasting room that many people of resource share, alleviate the download pressure of resource provider, improve the efficient of resource-sharing.
Summary of the invention
The object of the present invention is to provide a kind of in network TV direct broadcasting room the system of shared resource, big, the inefficient problem of resource-sharing of download pressure of resource provider when the network TV direct broadcasting room that is intended to solve prior art carries out resource-sharing.
The present invention also aims to provide a kind of in network TV direct broadcasting room the method for shared resource, to solve the above-mentioned problems in the prior art better.
In order to realize goal of the invention, described in network TV direct broadcasting room the system of shared resource comprise server, client, the network type judge module that links to each other with described client and resource downloading module;
Described server links to each other with described client, is used for described client is synchronized to the fileinfo relevant with shared resource, makes described client set up the shared file catalogue according to described fileinfo;
That described resource downloading module comprises is point-to-point, and (Peer-to-Peer, P2P) download module are used for described client and download described shared resource from the shared file catalogue of other clients point-to-pointly.
Described client comprises that resource provides client and resource to ask for client;
Described resource provides client to be used to provide shared resource, and the generation unique identifier corresponding with the associated documents information of described shared resource be sent to described server, and the file fragment that described shared resource is divided into fixed size is to provide download;
Described resource is asked for client and is used for downloading described shared resource and storage by the shared file catalogue that described resource downloading module provides client and other resources to ask for client from described resource.
The mode that described resource downloading module is downloaded described shared resource is: provide client cutting apart described shared resource according to described resource, from a plurality of clients, download the partial document fragment of shared resource respectively, and be stored in described resource and ask in the client, reassemble into complete shared resource for its sequence number according to described file fragment.
Described network type judge module is used for the network type of described client is judged, determines the client and the downloading mode at loading source place.
Described resource downloading module further comprises direct download module, and being used for provides client directly to download described shared resource from described resource.
In order to realize goal of the invention better, described in network TV direct broadcasting room the method for shared resource may further comprise the steps:
A. after resource provides the client executing resource-sharing, utilize server that each resource is asked for client and be synchronized to the fileinfo relevant with shared resource, described resource provides client that described shared resource is divided into file fragment for download simultaneously;
B. N resource asked for client provides client and/or first to N-1 resource to ask for the described shared resource of client downloads from described resource, and wherein N is not less than 1 positive integer.
In the described steps A each resource being asked for the step that client is synchronized to the fileinfo relevant with shared resource comprises:
A1. resource provides client to generate the unique identifier corresponding with the associated documents information of shared resource, and is sent to server;
A2. described server is forwarded to all resources with described unique identifier and asks for client;
A3. described resource is asked for client and is created the shared file catalogue corresponding with the associated documents information of described shared resource according to described unique identifier.
File fragment in the described steps A is the fixing file fragment that equates of size, and each file fragment has specific fragment sequence number, in order to recombinate.
Described step B further comprises:
B1. judge that described N resource ask for the network type of client, and determine the client and the downloading mode at its loading source place;
B2. described N resource asked for client is downloaded described shared resource respectively from the client at described loading source place according to the downloading mode of determining among the described step B1 partial document fragment;
B3. described N resource asked for client the each several part file fragment downloaded among the described step B2 number reassembled into complete shared resource file according to fragment sequence.
Described step B2 further comprises:
Described N resource asked for client provides the described shared resource of client downloads from described resource in the mode of direct download partial document fragment; And/or
Described N resource asked for mode that client downloads with P2P and asked for the client at least one from described first to N-1 resource and download the partial document fragment of described shared resource.
In the network TV direct broadcasting room of the present invention, resource is asked for client both can provide the direct shared resource of downloading the client from resource, also can ask for the mode of downloading with P2P the client and download shared resource from other resources, provide the download pressure of client thereby alleviated resource, and improved resource downloading efficient.
Description of drawings
Fig. 1 is the system construction drawing of the present invention's shared resource in network TV direct broadcasting room;
Fig. 2 is the method flow diagram of the present invention's shared resource in network TV direct broadcasting room;
Fig. 3 be among one of them embodiment of the present invention in network TV direct broadcasting room the method flow diagram of shared resource.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
When the present invention provides client to carry out resource-sharing in resource, generate the unique identifier corresponding and be sent to server with the associated documents information of shared resource, thereby ask for the synchronous shared file catalogue of generation in the client according to this unique identifier in each resource, its shared resource is divided into the file fragment of fixed size so that download to be provided simultaneously.When a resource is asked for client provides client to be directly downloaded to shared resource (all or part of file fragment) from this resource after, follow-up resource is asked for the partial document fragment that client then both can provide client directly to download shared resource from resource, also can ask for the client and download the partial document fragment, again the All Files fragment be reassembled into complete shared resource at last in the mode of P2P from this resource.The method of this resource-sharing will directly be downloaded with the P2P download and combine, thereby can alleviate the download pressure that resource provides client, also improve each resource simultaneously and ask for the download efficiency of client.
Fig. 1 shows the system configuration of the present invention's shared resource in network TV direct broadcasting room, comprises server 100, client 200, network type judge module 300 and resource downloading module 400.
Client 200 comprises that resource provides client 201 and resource to ask for client 202.Wherein, it is initial resource-sharing persons that resource provides client 201, it provides resource, and the fileinfo that shared resource is relevant (comprising the title, bibliographic structure of Folder Name, institute's include file etc.) generates unique identifier (Identifier, ID) be sent to server 100, it also is divided into shared resource the file fragment of fixed size for download simultaneously.It can be a plurality of that resource is asked for client 202, comprise that resource is asked for client 2021, resource is asked for client 2022 ... resource is asked for client 202n, and each resource is asked for the unique identifier that client 202 transmits according to server 100 and is synchronized to the fileinfo relevant with shared resource.The present invention alleged synchronously, promptly referring to ask in the client 202 to generate according to the unique identifier content in each resource provides shared file catalogue identical in the client 201 with resource, has identical Folder Name and bibliographic structure.
Server 100 is used to receive the unique identifier corresponding with shared resource that resource provides client 201 to send, and utilize this unique identifier that each resource is asked for client 202 to be synchronized to the relevant fileinfo of shared resource, also promptly: unique identifier is forwarded to each resource asks for client 202, make it can be according to the shared file catalogue of each self-generating correspondence of content of this unique identifier.Server 100 among the present invention can be a newly-increased server, only is used for simple signaling and transmits, and also can increase above-mentioned function newly on the server basis in original system, thus but simplied system structure.
Network type judge module 300 is used for asking for client 202 when beginning to ask for shared resource when resource, judge that this resource asks for the network type of client 202, thereby how decision carries out file transfer, and obtain resource from which client.
Resource downloading module 400 comprises direct download module 401 and P2P download module 402.Wherein, directly download module 401 is used for each resource and asks for client 202 and provide client 201 directly to download shared resources from resource, and 402 of P2P download modules are used for each resource and ask for the download of carrying out shared resource between the client 202.
Fig. 2 shows the method flow of the present invention's shared resource in network TV direct broadcasting room, may further comprise the steps:
In step S201, the resource in the network TV direct broadcasting room provides client 201 to carry out resource-sharing, and each resource is asked for 202 of clients and is synchronized to the fileinfo relevant with this shared resource.Detailed process is as follows: resource provide client 201 generate one with the corresponding unique identifier of shared resource associated documents information, and sending it to server 100, this shared resource associated documents information just is meant information such as the file name of shared resource and bibliographic structure thereof; Server 100 receives this unique identifier and all resources of forwarding it in the present networks live telecast chamber are asked in the client 202; Resource is asked for 202 of clients and is synchronized to the associated documents information of this shared resource according to this unique identifier, also, generates corresponding shared file catalogue according to the associated documents information of the shared resource of synchronous gained.When carrying out above-mentioned steps, the file fragment that it is fixed size with its shared resource file division that resource provides client 201, so that follow-up download to be provided, these file fragments have fragment sequence number separately respectively, thereby can reassemble into complete shared resource.
In step S202, resource is asked for client 2021 and is provided the client 201 from resource by direct downloading mode and obtain shared resource.Provide the mode of resource-sharing consistent in this step and the existing network TV direct broadcasting room, its detailed process is as follows: ask for client 2021 when resource and begin to download shared resource, at first must judge its network type, thereby where decision is from downloading (client 200 that is the loading source place) and corresponding download mode through network type judge module 300; In this step S202, network type judge module 300 is specified these resources to ask for client 2021 and is provided the client 201 from resource and download shared resource, and take the directly mode of download, then resource is asked for client 2021 and is begun carry out to download, at first the All Files fragment of shared resource is downloaded to this machine, number reassemble into complete shared resource according to the fragment sequence of these file fragments again by direct download module 401.
In step S203, resource is asked for client 2022 and is provided client 201 and/or resource to ask for the client 2021 from resource to download shared resource, by that analogy, resource is asked for client 202n can provide client 201 and/or resource to ask for download shared resource the client 2021 to 202 (n-1) from resource, and wherein n is not less than 2 positive integer.Its detailed process is as follows: resource is asked for client 2022 and is begun to carry out resource and ask for, its by unique identifier as can be known resource provide client 201 and resource to ask for all to have had this shared resource in the client 2021, and judge its network types through network type judge module 300, determine its downloading mode and from where downloading (client that is the loading source place); Resource is asked for client 2022 and is begun to carry out download, it provides the partial document fragment of downloading shared resource the client 201 by direct download module 401 from resource, asks for another part file fragment of downloading shared resource the client 2021 by P2P download module 402 from resource simultaneously; Last resource is asked for client 2022 and the All Files fragment downloaded number is recombinated according to fragment sequence again, synthesizes complete shared resource.Similarly, resource is asked for 2023 of clients in the same way, provide the part fragment of downloading shared resource the client 201 by direct download module 401 from resource, ask for client 2021 and resource is asked for download section branch fragment the client 2022 by P2P download module 402 from resource simultaneously, reassemble into complete shared resource at last.By that analogy, resource is asked for client 202n and is also adopted in a like fashion, downloads from a plurality of clients.Should be noted that herein, network type judge module 300 can be specified the client at loading source place flexibly, such as resource ask for client 2023 can be appointed as from resource provide client 201, resource to ask for client 2021, resource is asked for client 2022 threes and is downloaded the partial document fragment simultaneously, also can specify both even any downloads arbitrarily from above-mentioned three, again in the practical application, can be according to the situation flexible configuration.
More than this resource-sharing mode will directly download to download and be combined togather with P2P, when bandwidth is abundant, can directly provide shared, when bandwidth is not abundant, adopt downloading mode of the present invention then can alleviate the download pressure that resource provides client 201 greatly, and the speed of download that each resource is asked for client 202 also is significantly improved.
Fig. 3 shows in one embodiment of the present of invention the method flow of shared resource in network TV direct broadcasting room, among this embodiment, the network direct broadcasting chamber comprises four members, just four clients comprise that a resource provides client 201 and three resources to ask for client 2021,2022,2023.The method of shared resource may further comprise the steps in this network direct broadcasting chamber:
In step S301, resource provides client 201 to carry out resource-sharing, its generate one with the corresponding unique identifier of shared resource associated documents information, indicate the file name of this shared resource and bibliographic structure thereof etc., and this unique identifier be sent to server 100.
In step S302, after server 100 receives this unique identifier, then it is transmitted to resource and asks for client 2021,2022,2023.
In step S303, resource is asked for the shared file catalogue of client 2021,2022,2023 according to each self-generating correspondence of received unique identifier.
When carrying out above-mentioned steps S301, S302, S303, resource provides client 201 to utilize step S304 with the file fragment of its shared resource file division for fixed size, so that follow-up download to be provided, each file fragment has fragment sequence number separately, thereby can reassemble into complete shared resource file.
In step S305, resource is asked for client 2021 and is sent the request of downloading shared resource, network type judge module 300 receives this this resource of request back judgement and asks for the network type of client 2021, specify its loading source to provide in the client 201 in resource, specifying downloading mode simultaneously is direct download.
In step S306, resource is asked for client 2021 and is provided the client 201 from resource by direct download module 401 and download shared resource, because this shared resource has been divided into the file fragment of a lot of fixed sizes, so after this resource is asked for and at first downloaded file fragment fully when client 2021 is downloaded, number reassemble into complete shared resource according to fragment sequence again.
In step S307, resource is asked for client 2022 and is sent the request of downloading shared resource, network type judge module 300 receives this request back and judges its network type, search for loading source simultaneously, discovery provides client 201 and resource to ask for all or part of file fragment that all has this shared resource in the client 2021 in resource, then can be it and specify loading source to ask for client 2021, specify downloading mode to be respectively direct download and P2P download simultaneously for resource provides client 201 and resource.
In step S308, resource is asked for client 2022 and is provided the partial document fragment of downloading shared resource the client 201 by direct download module 401 from resource, ask for from resource by P2P download module 402 simultaneously and download another part file fragment the client 2021, reassemble into complete shared resource at last again.
In step S309, resource is asked for client 2023 and is sent the request of downloading shared resource, network type judge module 300 receives this request back and judges its network type, search for loading source simultaneously, discovery provides client 201, resource to ask for client 2021 in resource, resource is asked for all or part of file fragment that all has this shared resource in the client 2022, then can be it and specify loading source to provide client 201, resource to ask for client 2021 for resource and resource is asked for client 2022, downloading mode is respectively that direct download, P2P are downloaded, P2P downloads.
In step S310, resource is asked for client 2023 and is provided the partial document fragment of downloading shared resource the client 201 by direct download module 401 from resource, ask for client 2021 and resource by P2P download module 402 from resource simultaneously and ask for and download another part file fragment the client 2022, reassemble into complete shared resource at last again.
Above step has then been finished the once overall process of shared resource in this network direct broadcasting chamber after finishing.In this process, resource is asked for the loading source of client 2023 when downloading three, comprised that initial resource provides client 201 and other resource to ask for client 2021,2022, this has just effectively alleviated the download pressure that resource provides client 201, and this resource is asked for the speeds of download of client 2023 itself and also is significantly increased.
Should be noted that, can there be all in network type judge module 300 client of file fragment of this shared resource all as its loading source when specifying loading source for it, also can choose the some of them client as its loading source, in actual applications, can carry out flexible configuration according to situation.And in the present embodiment, it is a kind of typical case that client terminal quantity is four, and in actual applications, the quantity of client is not so limited.
In addition, the resource-sharing of typical application of the present invention in network TV direct broadcasting room, but the present invention is not limited thereto, and all have in group system of chatting function can use the disclosed resource share method of the present invention.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the system of a shared resource in network TV direct broadcasting room comprises server, client, the network type judge module that links to each other with described client and resource downloading module, it is characterized in that,
Described server links to each other with described client, is used for described client is synchronized to the fileinfo relevant with shared resource, makes described client set up the shared file catalogue according to described fileinfo;
Described resource downloading module comprises the P2P download module, is used for described client and downloads described shared resource from the shared file catalogue of other clients point-to-pointly.
2. according to claim 1 in network TV direct broadcasting room the system of shared resource, it is characterized in that described client comprises that resource provides client and resource to ask for client;
Described resource provides client to be used to provide shared resource, and the generation unique identifier corresponding with the associated documents information of described shared resource be sent to described server, and the file fragment that described shared resource is divided into fixed size is to provide download;
Described resource is asked for client and is used for downloading described shared resource and storage by the shared file catalogue that described resource downloading module provides client and other resources to ask for client from described resource.
3. according to claim 2 in network TV direct broadcasting room the system of shared resource, it is characterized in that, the mode that described resource downloading module is downloaded described shared resource is: provide client cutting apart described shared resource according to described resource, from a plurality of clients, download the partial document fragment of shared resource respectively, and be stored in described resource and ask in the client, reassemble into complete shared resource for its sequence number according to described file fragment.
According to arbitrary claim in the claim 1 to 3 described in network TV direct broadcasting room the system of shared resource, it is characterized in that, described network type judge module is used for the network type of described client is judged, determines the client and the downloading mode at loading source place.
According to arbitrary claim in the claim 1 to 3 described in network TV direct broadcasting room the system of shared resource, it is characterized in that, described resource downloading module further comprises direct download module, and being used for provides client directly to download described shared resource from described resource.
6. the method for a shared resource in network TV direct broadcasting room is characterized in that, said method comprising the steps of:
A. after resource provides the client executing resource-sharing, utilize server that each resource is asked for client and be synchronized to the fileinfo relevant with shared resource, described resource provides client that described shared resource is divided into file fragment for download simultaneously;
B. N resource asked for client provides client and/or first to N-1 resource to ask for the described shared resource of client downloads from described resource, and wherein N is not less than 1 positive integer.
7. according to claim 6 in network TV direct broadcasting room the method for shared resource, it is characterized in that, in the described steps A each resource asked for the step that client is synchronized to the fileinfo relevant with shared resource and comprises:
A1. resource provides client to generate the unique identifier corresponding with the associated documents information of shared resource, and is sent to server;
A2. described server is forwarded to all resources with described unique identifier and asks for client;
A3. described resource is asked for client and is created the shared file catalogue corresponding with the associated documents information of described shared resource according to described unique identifier.
8. according to claim 6 in network TV direct broadcasting room the method for shared resource, it is characterized in that the file fragment in the described steps A is the fixing file fragment that equates of size, each file fragment has specific fragment sequence number, in order to recombinate.
According to arbitrary claim in the claim 6 to 8 described in network TV direct broadcasting room the method for shared resource, it is characterized in that described step B further comprises:
B1. judge that described N resource ask for the network type of client, and determine the client and the downloading mode at its loading source place;
B2. described N resource asked for client is downloaded described shared resource respectively from the client at described loading source place according to the downloading mode of determining among the described step B1 partial document fragment;
B3. described N resource asked for client the each several part file fragment downloaded among the described step B2 number reassembled into complete shared resource file according to fragment sequence.
10. according to claim 9 in network TV direct broadcasting room the method for shared resource, it is characterized in that described step B2 further comprises:
Described N resource asked for client provides the described shared resource of client downloads from described resource in the mode of direct download partial document fragment; And/or
Described N resource asked for mode that client downloads with P2P and asked for the client at least one from described first to N-1 resource and download the partial document fragment of described shared resource.
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