WO2016070822A1 - 媒体资源反馈方法及装置 - Google Patents

媒体资源反馈方法及装置 Download PDF

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Publication number
WO2016070822A1
WO2016070822A1 PCT/CN2015/093855 CN2015093855W WO2016070822A1 WO 2016070822 A1 WO2016070822 A1 WO 2016070822A1 CN 2015093855 W CN2015093855 W CN 2015093855W WO 2016070822 A1 WO2016070822 A1 WO 2016070822A1
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WIPO (PCT)
Prior art keywords
media resource
router
identification information
stored
data identification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/093855
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English (en)
French (fr)
Inventor
刘铁俊
贾光
张鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiaomi Inc
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Xiaomi Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiaomi Inc filed Critical Xiaomi Inc
Priority to MX2016002126A priority Critical patent/MX359894B/es
Priority to KR1020167000028A priority patent/KR101779917B1/ko
Priority to JP2016557184A priority patent/JP2017500679A/ja
Priority to RU2016113841A priority patent/RU2642833C2/ru
Priority to EP15856929.3A priority patent/EP3217611A4/en
Priority to US15/080,836 priority patent/US20160210366A1/en
Publication of WO2016070822A1 publication Critical patent/WO2016070822A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/957—Browsing optimisation, e.g. caching or content distillation
    • G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1626—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests
    • G06F13/1631—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests through address comparison
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/951—Indexing; Web crawling techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]

Definitions

  • the present disclosure relates to the field of network communication technologies, and in particular, to a media resource feedback method and apparatus.
  • the frequency with which users use electronic devices has also increased dramatically.
  • the user can use the electronic device held at any time to obtain the media resources of the external network, such as music, video, and the like.
  • the electronic device When acquiring the media resource by using the electronic device, the electronic device first sends an access address of the accessed media resource to the router; the router forwards the access address to the corresponding server, and the server feeds back the corresponding media resource to the router according to the access address, and the router uses the media resource.
  • the resource is forwarded to the electronic device.
  • the public discovered that at least the following defects exist in the related art: when the router repeatedly receives the same access address, the same access address is forwarded to the server of the external network, and the external network The server feeds back the same media resources and increases network traffic.
  • the router In order to solve the problem that when the router repeatedly receives the same access address, the router repeatedly forwards the access address to the external network server, causing the external network server to repeatedly feed back the same media resource, thereby increasing the network traffic.
  • the disclosure provides a media resource feedback method. And equipment.
  • a media resource feedback method including:
  • the router receives an access request sent by the terminal for requesting to acquire a specific media resource
  • the media resource stored in the router is fed back to the terminal.
  • the querying, according to the data identifier information carried in the access request, whether the media resource corresponding to the data identifier information is stored in the router includes:
  • the media resource corresponding to the data identification information includes:
  • the method before querying whether the media resource corresponding to the data identifier information is stored in the router, the method further includes:
  • Querying whether the media resource corresponding to the data identifier information is stored in the router includes: querying, in a storage space corresponding to the type, whether the media corresponding to the data identifier information is stored in the router Resources.
  • the method further includes:
  • the media resource corresponding to the data identifier information is not stored in the router, forwarding the data identifier information to a server corresponding to the media resource, where the data identifier information is used to trigger the server to The router feeds back a media resource corresponding to the data identification information;
  • the storing the media resource according to the data identifier information includes:
  • the data identification information of the media resource is used as a name of the media resource, and the media resource is stored;
  • the storing the media resource according to the data identifier information including:
  • the character string is used as a name of the media resource, and the media resource is stored.
  • the storing the media resource includes:
  • the media resource is stored in a storage space corresponding to the type.
  • a media resource feedback apparatus includes:
  • a request receiving module configured to receive, in a router, an access request sent by the terminal for requesting to acquire a specific media resource
  • the resource querying module is configured to query, according to the data identification information carried in the access request received by the request receiving module, whether the media resource corresponding to the data identification information is stored in the router;
  • a first feedback module configured to: when the resource query module queries, that the media resource corresponding to the data identifier information is stored in the router, feed the media resource that is stored in the router to the terminal.
  • the resource query module includes:
  • the first query sub-module is configured to query, according to the data identifier information carried in the access request, whether the media resource having the same name as the data identifier information is stored in the router;
  • the resource query module includes:
  • the first processing sub-module is configured to process the data identification information carried in the access request according to a predetermined processing rule, to obtain a character string uniquely corresponding to the data identification information, where the predetermined processing rule is used to reduce The character of the processed data identification information;
  • the second query submodule is configured to query whether the media resource whose name is the same as the string is stored in the router.
  • the device further includes:
  • a determining module configured to determine a type of the media resource
  • the resource query module is further configured to: search for a media resource having the same name as the character string in a storage space corresponding to the type determined by the determining module.
  • the device further includes:
  • a resource forwarding module configured to: when the resource query module queries that the media resource corresponding to the data identifier information is not stored in the router, forwarding the data identifier information to a server corresponding to the media resource The data identification information is used to trigger the server to feed back the media resource corresponding to the data identification information to the router;
  • the second feedback module is configured to receive the media resource fed back by the server, and feed back the media resource received from the server to the terminal;
  • the resource storage module is configured to store the media resource according to the data identification information.
  • the resource storage module includes:
  • a first storage submodule configured to store data identifier information of the media resource as a name of the media resource, and store the media resource;
  • the resource storage module includes:
  • a second processing submodule configured to process the data identification information according to a predetermined processing rule to obtain a character string uniquely corresponding to the data identification information, where the predetermined processing rule is used to reduce the processed data identification information character of;
  • the first storage submodule is further configured to store the media resource by using the character string as a name of the media resource.
  • the first storage submodule includes:
  • the second storage submodule is configured to store the media resource into a storage space corresponding to the type.
  • a media resource feedback apparatus includes:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the media resource stored in the router is fed back to the terminal.
  • Receiving, by the router, an access request for requesting to acquire a specific media resource if the media resource corresponding to the data identification information carried in the access request exists in the router, the media resource is fed back to the terminal;
  • Obtaining an access request of the media resource querying whether the media resource corresponding to the data identifier information is stored in the router, and when the media resource corresponding to the data identifier information is stored in the router, the media resource is fed back to the terminal, and the router is solved.
  • the router repeatedly forwards the media resource acquisition request to the external network server, causing the external network server to repeatedly feed back the same media resource, thereby increasing the problem of network traffic and achieving the effect of saving network traffic.
  • FIG. 1 is a flowchart of a media resource feedback method according to an exemplary embodiment
  • FIG. 2 is a flowchart of a media resource feedback method according to another exemplary embodiment
  • FIG. 3 is a block diagram of a media resource feedback apparatus according to an exemplary embodiment
  • FIG. 4 is a block diagram of a media resource feedback apparatus according to another exemplary embodiment
  • FIG. 5 is a block diagram of an apparatus for feeding back media resources, according to an exemplary embodiment.
  • FIG. 1 is a flowchart of a method for feeding back a media resource according to an exemplary embodiment.
  • the media resource feedback method is applied to a router. As shown in FIG. 1 , the media resource feedback method includes the following steps.
  • step 101 the router receives an access request sent by the terminal for requesting acquisition of a specific media resource.
  • the media resource can be various resources in the network, such as music resources, video resources, or image resources.
  • step 102 according to the data identification information carried in the access request, it is queried whether the media resource corresponding to the data identification information is stored in the router.
  • step 103 if the media resource corresponding to the data identification information is stored in the router, the media resource stored in the router is fed back to the terminal.
  • the media resource feedback method by receiving, in a router, an access request for requesting to acquire a specific media resource, if the router has a media resource corresponding to the data identifier information carried in the access request.
  • the media resource is fed back to the terminal; the router can obtain the access request of the media resource according to the request, and query whether the media resource corresponding to the data identification information is stored in the router, and the media resource corresponding to the data identification information is stored in the router.
  • the media resource is fed back to the terminal to solve the problem that when the router repeatedly receives the same media resource acquisition request, the router repeatedly forwards the media resource acquisition request to the external network server, causing the external network server to repeatedly feed back the same media resource, thereby increasing the network.
  • the problem of traffic has achieved the effect of saving network traffic.
  • FIG. 2 is a flowchart of a method for feeding back a media resource according to another exemplary embodiment.
  • the media resource feedback method is applied to a router. As shown in FIG. 2, the media resource feedback method includes the following steps.
  • step 201 the router receives an access request sent by the terminal for requesting acquisition of a specific media resource.
  • the media resource can be various resources in the network, such as music resources, video resources, or image resources.
  • the access request usually carries data identification information, and the data identification information mentioned herein may be an identifier of an access address or a media resource in the server.
  • the common data identification information is usually the access address, which is usually the network address of the media resource, which is the Uniform Relocation Locator (English name: Uniform Resoure Locator).
  • the access address is usually used to identify the corresponding media resource in the network.
  • the storage location in .
  • the access request When the access request is sent to the router, it is encapsulated by the terminal through an open system interconnection (English: Open System Interconnection; OSI) seven-layer protocol layer.
  • the access request received by the router is usually encapsulated.
  • the data identifies an access request for information, which can be understood as a data packet.
  • the router After obtaining the data packet encapsulating the data identification information, the router decapsulates the data packet through the OSI seven-layer protocol layer to obtain data identification information in the packet.
  • the router may intercept the data packet.
  • the Netfilter framework can be used to intercept the data packet.
  • Five hook functions are defined in Internet Protocol version 4 (English: Internet Protocol version 4; IPv4). When the data packet flows through these key positions, the corresponding hook function is Will be called.
  • the data packet arrives at the first hook function NF_IP_PRE_ROUTING for processing, and the hook function is used to determine whether the data packet needs to be forwarded to the external network server or This router. Because the data packet needs to be analyzed, the hook function NF_IP_PRE_ROUTING can be set to analyze all the data packets sent to the router's upper layer protocol, and the analysis result determines whether the data packet is forwarded. Packets sent to the router's upper layer protocol through the router The OSI protocol in the decapsulation restores the data identification information of the media resource sent by the previous terminal.
  • the router after receiving the data packet corresponding to the access request sent by the terminal, the router sends the data packet to the upper layer protocol for decapsulation, and obtains the data identification information therein instead of forwarding the data packet to the default.
  • Corresponding external network server Corresponding external network server.
  • step 202 according to the data identification information carried in the access request, it is queried whether the media resource corresponding to the data identification information is stored in the router.
  • the router since the router can store more media resources, in order to find the media resources, the media resources can be classified and stored according to the type of the media resources.
  • the router stores the data identifiers in the query router.
  • the method may include: determining a type of the media resource.
  • the method may include: searching, in the storage space corresponding to the type, whether the media resource corresponding to the data identifier information is stored in the router.
  • the router may classify and manage the stored media resources, and store the same type of media resources in the same directory; correspondingly, when querying the media resources in the router, the router may first determine The type of the media resource, and further, whether the media resource corresponding to the data identifier information is stored in the storage space corresponding to the corresponding media resource type.
  • the type of the media resource may be determined according to a suffix of the data identifier information (such as an access address) corresponding to the media resource.
  • a suffix of the data identifier information such as an access address
  • the access address of the media resource is: http ://www.xxx.com/music/123.mp3
  • the suffix mp3 indicates that the request is a music file.
  • the router After determining the type of the media resource, the router searches for a media resource having the same name and data identification information in the storage space corresponding to the music type.
  • the router when the router searches for the media resource corresponding to the data identifier information in the router according to the data identifier information carried in the request, the router may include: querying, according to the data identifier information carried in the access request, whether the router stores the A media resource with the same name as the data identification information.
  • the router may use the data identification information of the media resource instead of the name of the media resource to store the media resource, that is, the data identification information when storing the media resource. These media resources are stored as an index. Therefore, the router can query whether the media resource named as the data identification information is stored in the router.
  • the router can use the access address instead of the name of the corresponding media resource to store the media resource, and then the router can query whether the media resource named as the access address is stored in the router.
  • the router when the router stores the media resource whose name is the same as the data identifier information, the router can directly query whether the media resource with the same name and the data identifier information is stored in the storage space of the router, or in the router. Whether the storage resource having the same name and data identification information is stored in the storage space corresponding to the media resource category.
  • the data identification information is usually the access address, so the access address of the media resource is often very long, when a large number
  • the router may process the data identification information of the media resource, that is, the character of the processed media resource has less characters than the data identification information. character of.
  • the data identification information of the media resource may be processed by using a predetermined processing rule to obtain a character string whose character is less than the data identification information.
  • a character string obtained by character processing of data identification information according to a predetermined processing rule uniquely corresponds to data identification information.
  • the predetermined processing rule referred to herein may be a hash algorithm or other similar algorithm that can reduce the data identification information characters.
  • the data identification information (such as the access address) of a certain media resource is http://www.xxx.com/music/123.mp3, the number of characters is 32 bits, and the access address of the media resource is hashed.
  • the operation result is ADF2JLSD2JL093JSDLAD, the character is 20 bits, and the number of characters of the string obtained after the hash operation is less than the number of characters of the data identification information.
  • the media resource corresponding to the data identification information may be stored with the character string as a name.
  • the router searches for the media resource corresponding to the data identifier information in the router according to the data identifier information carried in the access request, the router may include the following steps:
  • the data identification information carried in the access request is processed according to a predetermined processing rule to obtain a character string uniquely corresponding to the data identification information, where the predetermined processing rule is used to reduce characters of the processed data identification information;
  • the media resources stored in the router may be classified and managed, and the same type of media resources are stored in the same directory of the router storage space.
  • the query of the media resource in the router may first query the type of the media resource, and then query whether the media resource with the same name and the obtained string is stored in the storage space corresponding to the corresponding media resource type.
  • the router when the router stores the same media resource with the same name as the string in the query router, it can directly query whether the media resource with the same name and the string is stored in the storage space of the router, or in the router. Whether the storage resource with the same name as the string is stored in the storage space corresponding to the media resource category.
  • Table 1 is a table generated by the router to classify and store media resources.
  • the router classifies media resources into music, video, and pictures.
  • a name-indexed media resource subordinate to the media resource type is stored under each media resource type directory line. That is, when the media resource is stored, the media resource type is a primary index, and the media resource name is a secondary index for storage.
  • step 203 if the media resource corresponding to the data identification information is stored in the router, the media resource stored in the router is fed back to the terminal.
  • the router can store the corresponding data identification information in the query router.
  • the media resource is directly fed back to the terminal, and the data packet corresponding to the data identification information is discarded, that is, the data packet encapsulated with the data identification information is not forwarded to the server of the external network, thereby improving the response of the router. Speed, while also improving the user experience.
  • step 204 if the media resource corresponding to the data identifier information is not stored in the router, the data identifier information is forwarded to the server corresponding to the media resource, and the data identifier information is used to trigger the server to feed back the media resource to the router, and receive the server feedback.
  • the media resource feeds back the media resource received from the server to the terminal, and stores the media resource according to the data identification information.
  • the router needs to encapsulate the data identifier information of the media resource into a data packet by using the OSI seven-layer protocol layer layer, and encapsulate the media resource.
  • the data identification information packet is forwarded to the server corresponding to the data identification information, the server receives the data packet, decapsulates the data packet through the OSI seven-layer protocol layer, obtains the data identification information in the package body, and finds the corresponding media resource under the server. , feedback the media resources to the router.
  • the media resources that the router feeds back to the server are stored according to predetermined rules. It should be noted that the data packet encapsulated with the data identification information sent by the router to the server has a function of triggering the server to feed back the media resource to the router.
  • the router when the router stores the media resource according to the data identifier information, the router may include: storing the media resource by using the data identifier information of the media resource as the name of the media resource.
  • the router may use the data identification information of the media resource instead of the name of the media resource to store the media resource, that is, the data identification information when storing the media resource.
  • These media resources are stored as an index. Therefore, when storing the media resource, the router can directly store the data identification information corresponding to the media resource as the name of the media resource.
  • the router when the router stores the media resource according to the data identifier information, the router may include:
  • the usual data identification information is an access address, so the data identification information of the media resource is often very long.
  • the router may process the data identification information of the media resource, that is, the character of the processed media resource has less characters than the data identification information. character of.
  • the access address of the media resource may be processed by using a predetermined processing rule to obtain a character string whose character is less than the data identification information.
  • a character string obtained by character processing of data identification information according to a predetermined processing rule uniquely corresponds to data identification information.
  • the predetermined processing rule described here is the same as that explained in step 202, and details are not described herein again.
  • the router when the router stores the media resource obtained from the server, the data identification information of the media resource may be subjected to a predetermined processing operation to obtain a corresponding character string, and the character string is used as the name of the media resource, and the media resource is used. Stored in the router.
  • the media resources may be stored by type, and the same type of media resources are stored in the same directory of the router storage space. Therefore, when storing a media resource, the router can include:
  • the router may first determine the type of the media resource, and the method for determining the type of the media resource is the same as that in step 202, and is not described here again. Then, the router performs predetermined processing on the access address of the media resource, and obtains a corresponding string by using a string.
  • the name of the media resource which stores the media resource in the storage space corresponding to the type.
  • the router when storing a media resource, can directly use the data identification information as the name of the media resource to store the media resource; or the data identifier can be processed according to a predetermined processing rule to obtain the processed string, and the string is obtained.
  • the name of the media resource the media resource is stored; when the media resource is stored, the media resource may be directly stored, and the type of the media resource may be determined first, and then the media resource is stored in a storage space corresponding to the type.
  • a pc machine there are mainly at least three physical entity devices: a pc machine, a router, and a web server on the public network.
  • the pc machines here may be one or more, and the web server may also be one or more.
  • the pc machine here can also be replaced by a client such as a tablet, a mobile phone or a multimedia player.
  • the request will carry the access address of the music file, for example, the access address of the music file is http://www.xxx.com/music/123.mp3, the request is on the pc
  • a packet is formed by the OSI 7 layer model layer protocol.
  • the music files here can also be replaced by video files, image files, and the like.
  • the packet is intercepted when it passes through the kernel of the router, and the router analyzes the packet after intercepting the packet.
  • the specific interception technique can use the Netfilter framework. Simply put, after the packet is processed by the first HOOK function NF_IP_PRE_ROUTING in the router, it enters the routing code, which determines whether the packet needs to be forwarded or sent to the local machine.
  • the routing code can be customized, and the customized routing code sends all the received data packets to the local machine, so that the local machine analyzes the data packets, and obtains the data identification information therein, and according to the The data identification information finds whether there is a corresponding media resource in the router.
  • the URL of the access address carried in the request is "http://www.xxx.com/music/123.mp3".
  • the router can judge this according to the suffix of the access address. Is a music file, and then query the hard disk of the router whether there is a file corresponding to http://www.xxx.com/music/123.mp3 (for example, you can use the hash function to access the address http://www.
  • Xm.com/music/123.mp3 hash get the hashed string "ADF2JLSD2JL093JSDLAD", query whether there is a file named ADF2JLSD2JL093JSDLAD), if there is this file, the router will return the file to pc, the data packet No longer forwarded to the public network. If there is no such file, the router will forward the data packet to the web server of the public network. The web server will return the music file to the router, and the router caches the music locally.
  • the specific storage name is the name of the hash after the access address. Finally, return the file to pc.
  • the router for any application on any client, as long as the request is with the music in step 3, if the router has cached the music, it will directly return to the client, and no need to request the public network, so that the router does not even connect
  • the network can also ensure that the client listens to music online and becomes a private home music cloud center.
  • the media resource feedback method by receiving, in a router, an access request for requesting to acquire a specific media resource, if the router has a media resource corresponding to the data identifier information carried in the access request.
  • the media resource is fed back to the terminal; the router can obtain the access request of the media resource according to the request, and query whether the media resource corresponding to the data identification information is stored in the router, and the media resource corresponding to the data identification information is stored in the router.
  • the media resource is fed back to the terminal to solve the problem that when the router repeatedly receives the same media resource acquisition request, the router repeatedly forwards the media resource acquisition request to the external network server, causing the external network server to repeatedly feed back the same media resource, thereby increasing the network.
  • the problem of traffic has achieved the effect of saving network traffic.
  • the media resource feedback method provided by the present disclosure determines whether a media resource having the same name and data identification information is stored in the storage space corresponding to the type, or whether to store the name and the pair data identification information in the storage space corresponding to the type.
  • the same media resources are obtained after the processing, so that the search time can be reduced and the search efficiency is improved.
  • FIG. 3 is a block diagram of a media resource feedback apparatus according to an exemplary embodiment, the media resource feedback device The device is applied to the router. As shown in FIG. 3, the media resource feedback device includes: a request receiving module 302, a resource query module 304, and a first feedback module 306.
  • the request receiving module 302 is configured to receive, in the router, an access request sent by the terminal for requesting to acquire a specific media resource;
  • the resource querying module 304 is configured to query, according to the data identification information carried in the access request received by the requesting module 302, whether the media resource corresponding to the data identification information is stored in the router;
  • the first feedback module 306 is configured to feed back the stored media resources in the router to the terminal when the resource query module 304 queries the media resource corresponding to the data identifier information in the router.
  • the media resource feedback device receives the access request for acquiring the specific media resource sent by the terminal in the router, and the media resource corresponding to the data identification information carried in the access request exists in the router.
  • the media resource is fed back to the terminal; the router can obtain the access request of the media resource according to the request, and query whether the media resource corresponding to the data identification information is stored in the router, and the media resource corresponding to the data identification information is stored in the router.
  • the media resource is fed back to the terminal to solve the problem that when the router repeatedly receives the same media resource acquisition request, the router repeatedly forwards the media resource acquisition request to the external network server, causing the external network server to repeatedly feed back the same media resource, thereby increasing the network.
  • the problem of traffic has achieved the effect of saving network traffic.
  • FIG. 4 is a block diagram of a media resource feedback apparatus, which is applied to a router.
  • the media resource feedback apparatus includes: a request receiving module 402, a resource, according to another exemplary embodiment.
  • the request receiving module 402 is configured to receive an access request sent by the terminal for requesting to acquire a specific media resource
  • the resource querying module 404 is configured to query, according to the data identification information carried in the access request received by the requesting module 402, whether the media resource corresponding to the data identification information is stored in the router;
  • the first feedback module 406 is configured to feed back the stored media resources in the router to the terminal when the resource query module 404 queries the media resource corresponding to the data identification information stored in the router.
  • the resource query module 404 includes: a first query submodule 404a,
  • the first query sub-module 404a is configured to query, according to the data identification information carried in the access request, whether the media resource having the same name and data identification information is stored in the router.
  • the resource query module 404 includes: a first processing submodule 404b and a second query submodule 404c,
  • the first processing sub-module 404b is configured to process the data identification information carried in the access request according to a predetermined processing rule to obtain a character string uniquely corresponding to the data identification information, where the predetermined processing rule is used to reduce the processed data identification information.
  • the second query sub-module 404c is configured to query whether a media resource having the same name and character string is stored in the router.
  • the media resource feedback device further includes: a determining module 407,
  • a determining module 407 configured to determine a type of the media resource
  • the resource query module 404 is further configured to, in the storage space corresponding to the type determined by the determining module 407, to find out whether a media resource having the same name as the character string is stored.
  • the media resource feedback device further includes: a resource forwarding module 408, a second feedback module 410, and a resource storage module 412.
  • the resource forwarding module 408 is configured to: when the resource query module 404 queries that the media resource corresponding to the data identifier information is not stored in the router, forward the data identifier information to the server corresponding to the media resource, where the data identifier information is used to trigger the server. Feeding to the router a media resource corresponding to the data identification information;
  • the second feedback module 410 is configured to receive the media resource fed back by the server, and feed back the media resource received from the server to the terminal;
  • the resource storage module 412 is configured to store the media resource according to the data identification information.
  • the resource storage module 412 includes: a first storage submodule 412a,
  • the first storage submodule 412a is configured to store the media resource by using the data identification information of the media resource as the name of the media resource.
  • the resource storage module 412 includes: a second processing submodule 412b.
  • the second processing sub-module 412b is configured to process the data identification information according to a predetermined processing rule to obtain a character string uniquely corresponding to the data identification information, where the predetermined processing rule is used to reduce characters of the processed data identification information;
  • the first storage submodule 412a is further configured to store the media resource by using a character string as the name of the media resource.
  • the first storage submodule 412a includes: a determining submodule 412a1 and a second storage submodule 412a2.
  • Determining submodule 412a configured to determine a type of media resource
  • the second storage sub-module 412a2 is configured to store the media resource into a storage space corresponding to the type.
  • the media resource feedback device receives the access request for acquiring the specific media resource sent by the terminal in the router, and the media resource corresponding to the data identification information carried in the access request exists in the router.
  • the media resource is fed back to the terminal; the router can obtain the access request of the media resource according to the request, and query whether the media resource corresponding to the data identification information is stored in the router, and the media resource corresponding to the data identification information is stored in the router.
  • the media resource is fed back to the terminal to solve the problem that when the router repeatedly receives the same media resource acquisition request, the router repeatedly forwards the media resource acquisition request to the external network server, causing the external network server to repeatedly feed back the same media resource, thereby increasing the network.
  • the problem of traffic has achieved the effect of saving network traffic.
  • the media resource feedback device provided by the present disclosure, by determining the type of the media resource, searches for a media resource having the same name and data identification information in the storage space corresponding to the type, or searches for whether the name and the pair of data identification information are stored.
  • the same media resources are obtained after the processing, so that the search time can be reduced and the search efficiency is improved.
  • An exemplary embodiment of the present disclosure provides a media resource feedback apparatus, which can implement a media resource feedback method provided by the present disclosure, where the media resource feedback apparatus includes: a processor, a memory for storing processor executable instructions;
  • processor is configured to:
  • the media resource stored in the router is fed back to the terminal.
  • FIG. 5 is a block diagram of an apparatus for media resource feedback, according to an exemplary embodiment.
  • device 500 can be provided as a server.
  • apparatus 500 includes a processing component 522 that further includes one or more processors, and memory resources represented by memory 532 for storing instructions executable by processing component 522, such as an application.
  • An application stored in memory 532 can include one or more modules each corresponding to a set of instructions.
  • processing component 522 is configured to execute instructions to perform the media resource feedback method described above.
  • Apparatus 500 can also include a power supply component 526 configured to perform power management of apparatus 500, a wired or wireless network interface 550 configured to connect apparatus 500 to the network, and an input/output (I/O) interface 558.
  • Device 500 can operate based on an operating system stored in memory 532, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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Abstract

本公开关于一种媒体资源反馈方法及装置，属于网络通讯技术领域。所述方法包括：接收终端发送的用于请求获取特定媒体资源的访问请求；根据访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；若所述路由器中存储有与所述数据标识信息对应的媒体资源，则将所述路由器中已存储的所述媒体资源反馈给所述终端。本公开解决了在路由器重复接收相同媒体资源的访问请求时，路由器会重复转发访问请求给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，达到了节省网络流量的效果。

Description

媒体资源反馈方法及装置
本申请基于申请号为201410641975.2、申请日为2014年11月06日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及网络通讯技术领域，特别涉及一种媒体资源反馈方法及装置。
背景技术
随着电子设备功能的增加，用户对电子设备的使用频率也大幅度提高。在家庭网络中，用户可以随时利用持有的电子设备获取外网的媒体资源，比如音乐、视频等。
在利用电子设备获取媒体资源时，电子设备首先向路由器发送访问媒体资源的访问地址；路由器将该访问地址转发给对应的服务器，服务器根据该访问地址向路由器反馈对应的媒体资源，路由器将该媒体资源转发给该电子设备。
公开人在实现本公开的过程中，发现相关技术中至少存在以下缺陷：路由器在重复接收到的相同的访问地址时，均会将这些相同的访问地址转发给外网的服务器，由外网的服务器反馈相同的媒体资源，增加了网络流量。
发明内容
为解决在路由器重复接收相同访问地址时，路由器会重复转发访问地址给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，本公开提供了一种媒体资源反馈方法及装置。
根据本公开实施例的第一方面，提供一种媒体资源反馈方法，包括：
路由器接收终端发送的用于请求获取特定媒体资源的访问请求；
根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；
若所述路由器中存储有与所述数据标识信息对应的媒体资源，则将所述路由器中已存储的所述媒体资源反馈给所述终端。
可选的，所述根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源，包括：
根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有名称与所述数据标识信息相同的媒体资源；
或者，所述根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有 与所述数据标识信息对应的媒体资源，包括：
根据预定处理规则对所述访问请求中携带的数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
查询所述路由器中是否存储有名称与所述字符串相同的媒体资源。
可选的，在查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源之前，还包括：
确定所述媒体资源的类型；
所述查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源包括：在与所述类型对应的存储空间中，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源。
可选的，所述方法还包括：
若所述路由器中未存储有与所述数据标识信息对应的媒体资源，则将所述数据标识信息转发给与所述媒体资源对应的服务器，所述数据标识信息用于触发所述服务器向所述路由器反馈与所述数据标识信息对应的媒体资源；
接收所述服务器反馈的所述媒体资源，并将接收自所述服务器的所述媒体资源反馈给所述终端；
根据所述数据标识信息存储所述媒体资源。
可选的，所述根据所述数据标识信息存储所述媒体资源，包括：
将所述媒体资源的数据标识信息作为所述媒体资源的名称，存储所述媒体资源；
或者，所述根据所述数据标识信息存储所述媒体资源，包括：
按照预定处理规则对所述数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
将所述字符串作为所述媒体资源的名称，存储所述媒体资源。
可选的，所述存储所述媒体资源，包括：
确定所述媒体资源的类型；
将所述媒体资源存储至与所述类型对应的存储空间中。
根据本公开实施例的第二方面，提供一种媒体资源反馈装置，所述装置包括：
请求接收模块，被配置为在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求；
资源查询模块，被配置为根据所述请求接收模块接收到的所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；
第一反馈模块，被配置为在所述资源查询模块查询到所述路由器中存储有与所述数据标识信息对应的媒体资源时，将所述路由器中已存储的所述媒体资源反馈给所述终端。
可选的，所述资源查询模块，包括：
第一查询子模块，被配置为根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有名称与所述数据标识信息相同的媒体资源；
或者，所述资源查询模块，包括：
第一处理子模块，被配置为根据预定处理规则对所述访问请求中携带的数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
第二查询子模块，被配置为查询所述路由器中是否存储有名称与所述字符串相同的媒体资源。
可选的，所述装置还包括：
确定模块，被配置为确定所述媒体资源的类型；
所述资源查询模块，还被配置为在与所述确定模块确定的所述类型对应的存储空间中，查找是否存储有名称与所述字符串相同的媒体资源。
可选的，所述装置还包括：
资源转发模块，被配置为在所述资源查询模块查询到所述路由器中未存储有与所述数据标识信息对应的媒体资源时，将所述数据标识信息转发给与所述媒体资源对应的服务器，所述数据标识信息用于触发所述服务器向所述路由器反馈与所述数据标识信息对应的媒体资源；
第二反馈模块，被配置为接收所述服务器反馈的所述媒体资源，并将接收自所述服务器的所述媒体资源反馈给所述终端；
资源存储模块，被配置为根据所述数据标识信息存储所述媒体资源。
可选的，所述资源存储模块，包括：
第一存储子模块，被配置为将所述媒体资源的数据标识信息作为所述媒体资源的名称，存储所述媒体资源；
或者，所述资源存储模块，包括：
第二处理子模块，被配置为按照预定处理规则对所述数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
所述第一存储子模块，还被配置为将所述字符串作为所述媒体资源的名称，存储所述媒体资源。
可选的，所述第一存储子模块，包括：
确定子模块，被配置为确定所述媒体资源的类型；
第二存储子模块，被配置为将所述媒体资源存储至与所述类型对应的存储空间中。
根据本公开实施例的第三方面，提供一种媒体资源反馈装置，所述装置包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求；
根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；
若所述路由器中存储有与所述数据标识信息对应的媒体资源，则将所述路由器中已存储的所述媒体资源反馈给所述终端。
本公开的实施例提供的技术方案可以包括以下有益效果：
通过在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求，若路由器中存在与访问请求中携带的数据标识信息对应的媒体资源，则将媒体资源反馈给终端；由于路由器可以根据请求获取媒体资源的访问请求，查询路由器中是否存储有与数据标识信息对应的媒体资源，在路由器中存储有与该数据标识信息对应的媒体资源时，将该媒体资源反馈给终端，解决了在路由器重复接收相同媒体资源获取请求时，路由器会重复转发媒体资源获取请求给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，达到了节省网络流量的效果。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并于说明书一起用于解释本的原理。
图1是根据一示例性实施例示出的一种媒体资源反馈方法的流程图；
图2是根据另一示例性实施例示出的一种媒体资源反馈方法的流程图；
图3是根据一示例性实施例示出的一种媒体资源反馈装置的框图；
图4是根据另一示例性实施例示出的一种媒体资源反馈装置的框图；
图5是根据一示例性实施例示出的一种反馈媒体资源的装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
图1是根据一示例性实施例示出的一种媒体资源反馈方法的流程图，该媒体资源反馈方法应用于路由器中，如图1所示，该媒体资源反馈方法包括以下步骤。
在步骤101中，路由器接收终端发送的用于请求获取特定媒体资源的访问请求。
媒体资源可以是网络中的各类资源，比如可以为音乐资源、视频资源或图像资源等。
在步骤102中，根据访问请求中携带的数据标识信息，查询路由器中是否存储有与数据标识信息对应的媒体资源。
在步骤103中，若路由器中存储有与数据标识信息对应的媒体资源，则将路由器中已存储的媒体资源反馈给终端。
综上所述，本公开提供的媒体资源反馈方法，通过在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求，若路由器中存在与访问请求中携带的数据标识信息对应的媒体资源，则将媒体资源反馈给终端；由于路由器可以根据请求获取媒体资源的访问请求，查询路由器中是否存储有与数据标识信息对应的媒体资源，在路由器中存储有与该数据标识信息对应的媒体资源时，将该媒体资源反馈给终端，解决了在路由器重复接收相同媒体资源获取请求时，路由器会重复转发媒体资源获取请求给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，达到了节省网络流量的效果。
图2是根据另一示例性实施例示出的一种媒体资源反馈方法的流程图，该媒体资源反馈方法应用于路由器中，如图2所示，该媒体资源反馈方法包括以下步骤。
在步骤201中，路由器接收终端发送的用于请求获取特定媒体资源的访问请求。
媒体资源可以是网络中的各类资源，比如可以为音乐资源、视频资源或图像资源等。
该访问请求通常携带有数据标识信息，这里所讲的数据标识信息可以为访问地址或媒体资源在服务器中的标识。
比较常见的数据标识信息通常为访问地址，该访问地址通常是提供媒体资源的网络地址，即为统一资源定位符URL(英文全称：Uniform Resoure Locator)，访问地址通常用于标识相应媒体资源在网络中的存储位置。
该访问请求在被发送给路由器时，是被终端经开放式系统互联(英文：Open System Interconnection；简称：OSI)七层协议层层封装而成的，路由器接收到的该访问请求通常是封装有该数据标识信息的访问请求，该访问请求可以理解为一个数据包。
路由器在获取到封装有该数据标识信息的数据包之后，通过OSI七层协议层对该数据包进行解封装，得到包体内的数据标识信息。
可选的，路由器接收到终端发送的封装有数据标识信息的数据包时，路由器可以截获该数据包。
这里可以采用Netfilter框架来截获数据包，在网际协议版本4(英文：Internet Protocol version 4；简称：IPv4)中定义了5个钩子函数，当数据包流经这些关键位置时，相应的钩子函数就会被调用。该数据包在进行网络互连协议(英文：Internet Protocol；简称：IP)校验之后，到达第一个钩子函数NF_IP_PRE_ROUTING进行处理，该钩子函数用于确定该数据包是需要转发给外网服务器还是本路由器。由于需要对该数据包进行分析，因此，可以设置钩子函数NF_IP_PRE_ROUTING为所有数据包都发往本路由器的上层协议进行分析，由分析结果确定是否将数据包进行转发。被发往路由器上层协议的数据包经路由器 内的OSI协议解封装还原成之前终端发送的媒体资源的数据标识信息。
也就是说，路由器在接收到终端发送的访问请求所对应的数据包之后，均将该数据包发送至上层协议进行解封装，得到里面的数据标识信息，而不是默认的将该数据包转发给对应的外网服务器。
在步骤202中，根据该访问请求中携带的数据标识信息，查询路由器中是否存储有与该数据标识信息对应的媒体资源。
可选的，由于路由器中可以存储有较多的媒体资源，为了便于查找到媒体资源，可以按照媒体资源的类型，分类存储这些媒体资源，此时，路由器在查询路由器中是否存储有与数据标识信息对应的媒体资源之前，可以包括：确定媒体资源的类型。对应的，路由器在查询路由器中是否存储有与数据标识信息对应的媒体资源时，可以包括：在与类型对应的存储空间中，查找路由器中是否存储有与数据标识信息对应的媒体资源。
也就是说，为了提高路由器的查询效率，路由器可以对存储的媒体资源进行分类管理，将相同类型的媒体资源存储在同一目录下；对应的，在对路由器中媒体资源进行查询时，可以先确定媒体资源的类型，进而在相应媒体资源类型对应的存储空间下查询是否存储有与数据标识信息对应的媒体资源。
可选的，在根据数据标识信息确定媒体资源的类型时，可以根据与媒体资源对应的数据标识信息(比如访问地址)的后缀来确定媒体资源的类型，比如，媒体资源的访问地址为：http://www.xxx.com/music/123.mp3，可以知道请求的是一个名为123.mp3的文件，而后缀mp3表明请求的是一个音乐文件。路由器在确定了媒体资源的类型后，在与该音乐类型对应的存储空间中，查找是否存储有名称与数据标识信息相同的媒体资源。
可选的，路由器在根据请求中携带的数据标识信息，查询路由器中是否存储有与数据标识信息对应的媒体资源时，可以包括：根据访问请求中携带的数据标识信息，查询路由器中是否存储有名称与数据标识信息相同的媒体资源。
为了避免不同媒体资源具有相同的名称，导致媒体资源反馈错误的问题，路由器在存储媒体资源时，可以利用媒体资源的数据标识信息代替媒体资源的名称，以存储媒体资源，也即以数据标识信息作为索引存储这些媒体资源。因此，路由器可以查询路由器中是否存储有名称为数据标识信息的媒体资源。
比如，当数据标识信息为访问地址时，路由器可以利用该访问地址代替对应媒体资源的名称，以存储该媒体资源，然后路由器可以查询路由器中是否存储有名称为该访问地址的媒体资源。
可选的，路由器在查询路由器中是否存储有名称与数据标识信息相同的媒体资源时，可以直接在路由器的存储空间中查询是否存储有名称与数据标识信息相同的媒体资源，也可以在路由器中与媒体资源类别对应的存储空间中查询是否存储有名称与数据标识信息相同的媒体资源。
常见的，数据标识信息通常为访问地址，因此媒体资源的访问地址往往很长，当大量 的媒体资源以媒体资源的访问地址作为名称存储在路由器中时，会占用大量的存储空间，且在根据访问地址进行匹配时，匹配复杂度也比较高，且匹配时长也会比较长。因此，为了尽量降低媒体资源的存储空间以及查找媒体资源时的匹配复杂度和查找时长，路由器可以将媒体资源的数据标识信息进行处理，即处理后的媒体资源的名称的字符少于数据标识信息的字符。
在对媒体资源的数据标识信息进行处理时，可以通过预定处理规则对媒体资源的数据标识信息进行处理，得到字符少于数据标识信息的字符串。通常来讲，根据预定处理规则对数据标识信息的字符处理得到的字符串与数据标识信息是唯一对应的。这里所讲的预定处理规则可以是哈希算法或其他类似的可以缩减数据标识信息字符的算法。
举例来讲，某一媒体资源的数据标识信息(比如访问地址)为http://www.xxx.com/music/123.mp3，字符数为32位，对该媒体资源的访问地址进行哈希运算，得到的运算结果是ADF2JLSD2JL093JSDLAD，字符为20位，哈希运算后得到的字符串的字符数少于数据标识信息的字符数。
在利用预定处理规则对数据标识信息进行处理，得到字符串之后，则可以以该字符串为名称存储与该数据标识信息对应的媒体资源。对应的，路由器在根据访问请求中携带的数据标识信息，查询路由器中是否存储有与数据标识信息对应的媒体资源时，可以包括如下步骤：
第一，根据预定处理规则对访问请求中携带的数据标识信息进行处理，得到与数据标识信息唯一对应的字符串，其中预定处理规则用于减少被处理的数据标识信息的字符；
第二，查询路由器中是否存储有名称与该字符串相同的媒体资源。
同样的，为了提高路由器的查询效率，也可以对路由器中存储的媒体资源进行分类管理，相同类型的媒体资源存储在路由器存储空间的同一目录下。对路由器中媒体资源的查询可以先查询媒体资源的类型，进而在相应媒体资源类型对应的存储空间下查询是否存储有名称与得到的字符串相同的媒体资源。
也即，路由器在查询路由器中是否存储有名称与该字符串相同的媒体资源时，可以直接在路由器的存储空间中查询是否存储有名称与该字符串相同的媒体资源，也可以在路由器中与媒体资源类别对应的存储空间中查询是否存储有名称与该字符串相同的媒体资源。
举例来讲，请参见表1，其是路由器对媒体资源进行分类存储所生成的表格，如表1所示，路由器将媒体资源分类成音乐、视频和图片。在各媒体资源类型目录行下存储有从属于该媒体资源类型的以名称为索引的媒体资源。也即，媒体资源在存储时，以媒体资源类型为一级索引，以媒体资源的名称为二级索引进行存储。
对应的，在查找媒体资源时，先以一级索引进行查找，找到对应的类型，然后在该类型所对应的存储空间中，以二级索引查找媒体资源，找到具有指定名称的媒体资源。比如，仍旧参见表1，当在查找类型为音乐的处理后名称为“ADF01JFSD4R”的媒体资源时，首先确定媒体资源的类型“音乐”，然后在音乐对应的存储空间中查找名称为 “ADF01JFSD4R”的媒体资源。
Figure PCTCN2015093855-appb-000001
表1
在步骤203中，若路由器中存储有与数据标识信息对应的媒体资源，则将路由器中已存储的该媒体资源反馈给终端。
由于重复转发相同访问请求给外网服务器，导致外网服务器重复反馈相同的媒体资源，进而增加网络流量，降低了路由器的响应速度，因此，路由器可以在查询到路由器中存储有与数据标识信息对应的媒体资源后，直接将媒体资源反馈给终端，并将与该数据标识信息对应的数据包进行丢弃，即不再将封装数据标识信息后的数据包转发给外网的服务器，提高路由器的响应速度，同时也提升了用户体验。
在步骤204中，若路由器中未存储有与数据标识信息对应的媒体资源，则将数据标识信息转发给与媒体资源对应的服务器，数据标识信息用于触发服务器向路由器反馈媒体资源，接收服务器反馈的媒体资源，并将接收自服务器的媒体资源反馈给终端，根据数据标识信息存储该媒体资源。
若在步骤202中查询得到路由器中未存储有与数据标识信息对应的媒体资源，则路由器需要将媒体资源的数据标识信息经OSI七层协议层层封装形成数据包，并将该封装有媒体资源数据标识信息的数据包转发给与数据标识信息对应的服务器，服务器接收到数据包，将数据包通过OSI七层协议层进行解封装，得到包体内的数据标识信息，找到服务器下相应的媒体资源，将媒体资源反馈给路由器。路由器对服务器反馈的媒体资源按照预定规则存储。需要说明的是，路由器发送给服务器的封装有数据标识信息的数据包具有触发服务器向路由器反馈媒体资源的功能。
可选的，路由器在根据数据标识信息存储媒体资源时，可以包括：将媒体资源的数据标识信息作为媒体资源的名称，存储该媒体资源。
为了避免不同媒体资源具有相同的名称，导致媒体资源反馈错误的问题，路由器在存储媒体资源时，可以利用媒体资源的数据标识信息代替媒体资源的名称，以存储媒体资源，也即以数据标识信息作为索引存储这些媒体资源。因此，路由器在存储媒体资源时，可以将与该媒体资源对应的数据标识信息直接作为该媒体资源的名称进行存储。
可选的，路由器根据数据标识信息存储媒体资源时，可以包括：
1)按照预定处理规则对数据标识信息进行处理，得到与数据标识信息唯一对应的字符串，其中预定处理规则用于减少被处理的数据标识信息的字符；
2)以该字符串作为媒体资源的名称，存储媒体资源。
同样的，通常的数据标识信息为访问地址，因此媒体资源的数据标识信息往往很长，当大量的媒体资源以媒体资源的数据标识信息作为名称存储在路由器中时，会占用大量的存储空间，且在根据数据标识信息进行匹配时，匹配复杂度也比较高，且匹配时长也会比较长。因此，为了尽量降低媒体资源的存储空间以及查找媒体资源时的匹配复杂度和查找时长，路由器可以将媒体资源的数据标识信息进行处理，即处理后的媒体资源的名称的字符少于数据标识信息的字符。
在对媒体资源的数据标识信息进行处理时，可以通过预定处理规则对媒体资源的访问地址进行处理，得到字符少于数据标识信息的字符串。通常来讲，根据预定处理规则对数据标识信息的字符处理得到的字符串与数据标识信息是唯一对应的。这里所讲的预定处理规则与步骤202中说明的相同，此处不再赘述。
由此可知，路由器将从服务器中获取的媒体资源进行存储时，可以将该媒体资源的数据标识信息进行预定处理运算得到对应的字符串，并以该字符串作为媒体资源的名称，将媒体资源存储到路由器中。
同样的，为了提高路由器后续查找媒体资源的速度，可以对媒体资源进行按类型存储，将同一类型的媒体资源存储在路由器存储空间的同一目录下。因此，路由器在存储媒体资源时，可以包括：
1)确定媒体资源的类型；
2)将媒体资源存储至与该类型对应的存储空间中。
路由器可以先确定媒体资源的类型，确定媒体资源类型的方法与步骤202中相同，此处不再赘述，而后路由器将媒体资源的访问地址进行预定处理，运算得到对应的字符串，以字符串作为媒体资源的名称，将媒体资源存储至与该类型对应的存储空间中。
由上可知，路由器在存储媒体资源时，可以将数据标识信息直接作为媒体资源的名称，存储媒体资源；也可以按照预定处理规则对数据标识进行处理，得到处理后的字符串，以该字符串作为媒体资源的名称，存储媒体资源；在存储媒体资源时，可以直接存储，还可以先确定媒体资源的类型，然后将媒体资源存储至与该类型对应的存储空间中。
下面以通过pc(personal computer，个人电脑)浏览器在线播放音乐为例，具体介绍本方法的过程：
1.该示例中主要涉及至少3个物理实体设备：pc机器、路由器(router)以及处于公网的web服务器(web server)。
这里的pc机器可以为一个或多个，web服务器也可以为一个或多个。
这里的pc机器还可以用平板电脑、手机、多媒体播放器等客户端来代替。
2.pc请求一个音乐文件，该请求中会携带该音乐文件的访问地址，比如，该音乐文件的访问地址为http://www.xxx.com/music/123.mp3，这个请求在pc上会经过OSI 7层模型层协议封装形成一个数据包。
可选的，这里的音乐文件也可以用视频文件、图像文件等来代替。
3.该数据包在通过路由器的内核时，会被截获，路由器在截获该数据包之后会对该数据包进行分析。(具体的截获技术可以用Netfilter框架，简单地说，数据包在经过路由器中第一个HOOK函数NF_IP_PRE_ROUTING处理之后，进入路由代码，其决定该数据包是需要转发还是发给本机。可选的，路由代码可以进行自定义，自定义后的路由代码即对接收到的所有数据包均上送给本机，以使得本机对这些数据包进行分析，得到其中的数据标识信息，并根据该数据标识信息查找路由器中是否存在对应的媒体资源。)
4.对数据报进行分析后，得到请求中携带的访问地址URL是"http://www.xxx.com/music/123.mp3"，此时，路由器可以根据该访问地址的后缀判断出这是一个音乐文件，然后在路由器的硬盘中查询是否有与http://www.xxx.com/music/123.mp3对应的文件(比如可以利用哈希函数将该访问地址http://www.xxx.com/music/123.mp3进行哈希，得到哈希后的字符串"ADF2JLSD2JL093JSDLAD"，查询是否有名称为ADF2JLSD2JL093JSDLAD的文件)，如果有这个文件，路由器会将该文件返回给pc，数据包不再转发到公网上。如果没有这个文件，路由器则会转发数据包到公网的web服务器，web服务器将音乐文件返回给路由器，路由器将该音乐缓存在本地，具体存储时的名字为该访问地址哈希后的名字，最后再将文件返回给pc。
综上，对于任何客户端上的任何应用，只要请求的是与步骤3中的音乐，如果路由器有缓存该音乐，则直接向客户端返回，均不用再请求公网，这样路由器即使没有连接公网，也能保证客户端在线听音乐，成为一个私有家庭音乐云中心。
综上所述，本公开提供的媒体资源反馈方法，通过在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求，若路由器中存在与访问请求中携带的数据标识信息对应的媒体资源，则将媒体资源反馈给终端；由于路由器可以根据请求获取媒体资源的访问请求，查询路由器中是否存储有与数据标识信息对应的媒体资源，在路由器中存储有与该数据标识信息对应的媒体资源时，将该媒体资源反馈给终端，解决了在路由器重复接收相同媒体资源获取请求时，路由器会重复转发媒体资源获取请求给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，达到了节省网络流量的效果。
本公开提供的媒体资源反馈方法，通过确定媒体资源的类型，在与类型对应的存储空间中，查找是否存储有名称与数据标识信息相同的媒体资源，或查找是否存储有名称与对数据标识信息进行处理后得到的字符串相同的媒体资源，从而可以减少查找时间，提高了查找效率。
图3是根据一示例性实施例示出的一种媒体资源反馈装置的框图，该媒体资源反馈装 置应用于路由器中，如图3所示，该媒体资源反馈装置包括：请求接收模块302、资源查询模块304和第一反馈模块306。
该请求接收模块302，被配置为在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求；
该资源查询模块304，被配置为根据请求接收模块302接收到的访问请求中携带的数据标识信息，查询路由器中是否存储有与数据标识信息对应的媒体资源；
该第一反馈模块306，被配置为在资源查询模块304查询到路由器中存储有与数据标识信息对应的媒体资源时，将路由器中已存储的媒体资源反馈给终端。
综上所述，本公开提供的媒体资源反馈装置，通过在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求，若路由器中存在与访问请求中携带的数据标识信息对应的媒体资源，则将媒体资源反馈给终端；由于路由器可以根据请求获取媒体资源的访问请求，查询路由器中是否存储有与数据标识信息对应的媒体资源，在路由器中存储有与该数据标识信息对应的媒体资源时，将该媒体资源反馈给终端，解决了在路由器重复接收相同媒体资源获取请求时，路由器会重复转发媒体资源获取请求给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，达到了节省网络流量的效果。
图4是根据另一示例性实施例示出的一种媒体资源反馈装置的框图，该媒体资源反馈装置应用于路由器中，如图4所示，该媒体资源反馈装置包括：请求接收模块402、资源查询模块404和第一反馈模块406。
该请求接收模块402，被配置为接收终端发送的用于请求获取特定媒体资源的访问请求；
该资源查询模块404，被配置为根据请求接收模块402接收到的访问请求中携带的数据标识信息，查询路由器中是否存储有与数据标识信息对应的媒体资源；
该第一反馈模块406，被配置为在资源查询模块404查询到路由器中存储有与数据标识信息对应的媒体资源时，将路由器中已存储的媒体资源反馈给终端。
可选的，资源查询模块404，包括：第一查询子模块404a，
第一查询子模块404a，被配置为根据访问请求中携带的数据标识信息，查询路由器中是否存储有名称与数据标识信息相同的媒体资源。
或者，资源查询模块404，包括：第一处理子模块404b和第二查询子模块404c，
第一处理子模块404b，被配置为根据预定处理规则对访问请求中携带的数据标识信息进行处理，得到与数据标识信息唯一对应的字符串，其中预定处理规则用于减少被处理的数据标识信息的字符；
第二查询子模块404c，被配置为查询路由器中是否存储有名称与字符串相同的媒体资源。
可选的，该媒体资源反馈装置还包括：确定模块407，
确定模块407，被配置为确定媒体资源的类型；
资源查询模块404，还被配置为在与确定模块407确定的类型对应的存储空间中，查找是否存储有名称与字符串相同的媒体资源。
可选的，该媒体资源反馈装置还包括：资源转发模块408、第二反馈模块410和资源存储模块412。
资源转发模块408，被配置为在资源查询模块404查询到路由器中未存储有与数据标识信息对应的媒体资源时，将数据标识信息转发给与媒体资源对应的服务器，数据标识信息用于触发服务器向路由器反馈与数据标识信息对应的媒体资源；
第二反馈模块410，被配置为接收服务器反馈的媒体资源，并将接收自服务器的媒体资源反馈给终端；
资源存储模块412，被配置为根据数据标识信息存储媒体资源。
可选的，资源存储模块412，包括：第一存储子模块412a，
第一存储子模块412a，被配置为将媒体资源的数据标识信息作为媒体资源的名称，存储媒体资源。
或者，资源存储模块412，包括：第二处理子模块412b。
第二处理子模块412b，被配置为按照预定处理规则对数据标识信息进行处理，得到与数据标识信息唯一对应的字符串，其中预定处理规则用于减少被处理的数据标识信息的字符；
第一存储子模块412a，还被配置为将字符串作为媒体资源的名称，存储媒体资源。
可选的，第一存储子模块412a，包括：确定子模块412a1和第二存储子模块412a2。
确定子模块412a1，被配置为确定媒体资源的类型；
第二存储子模块412a2，被配置为将媒体资源存储至与类型对应的存储空间中。
综上所述，本公开提供的媒体资源反馈装置，通过在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求，若路由器中存在与访问请求中携带的数据标识信息对应的媒体资源，则将媒体资源反馈给终端；由于路由器可以根据请求获取媒体资源的访问请求，查询路由器中是否存储有与数据标识信息对应的媒体资源，在路由器中存储有与该数据标识信息对应的媒体资源时，将该媒体资源反馈给终端，解决了在路由器重复接收相同媒体资源获取请求时，路由器会重复转发媒体资源获取请求给外网服务器导致外网服务器重复反馈相同的媒体资源，从而增加了网络流量的问题，达到了节省网络流量的效果。
本公开提供的媒体资源反馈装置，通过确定媒体资源的类型，在与类型对应的存储空间中，查找是否存储有名称与数据标识信息相同的媒体资源，或查找是否存储有名称与对数据标识信息进行处理后得到的字符串相同的媒体资源，从而可以减少查找时间，提高了查找效率。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实 施例中进行了详细描述，此处将不做详细阐述说明。
本公开一示例性实施例提供了一种媒体资源反馈装置，能够实现本公开提供的媒体资源反馈方法，该媒体资源反馈装置包括：处理器、用于存储处理器可执行指令的存储器；
其中，处理器被配置为：
在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求；
根据访问请求中携带的数据标识信息，查询路由器中是否存储有与数据标识信息对应的媒体资源；
若路由器中存储有与数据标识信息对应的媒体资源，则将路由器中已存储的媒体资源反馈给终端。
图5是根据一示例性实施例示出的一种用于媒体资源反馈的装置的框图。例如，装置500可以被提供为一服务器。参照图5，装置500包括处理组件522，其进一步包括一个或多个处理器，以及由存储器532所代表的存储器资源，用于存储可由处理组件522的执行的指令，例如应用程序。存储器532中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件522被配置为执行指令，以执行上述媒体资源反馈方法。
装置500还可以包括一个电源组件526被配置为执行装置500的电源管理，一个有线或无线网络接口550被配置为将装置500连接到网络，和一个输入输出(I/O)接口558。装置500可以操作基于存储在存储器532的操作系统，例如Windows ServerTM，Mac OS XTM，UnixTM,LinuxTM，FreeBSDTM或类似。
本领域技术人员在考虑说明书及实践这里的公开的后，将容易想到本的其它实施方案。本申请旨在涵盖本的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (13)

  1. 一种媒体资源反馈方法，其特征在于，所述方法包括：
    路由器接收终端发送的用于请求获取特定媒体资源的访问请求；
    根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；
    若所述路由器中存储有与所述数据标识信息对应的媒体资源，则将所述路由器中已存储的所述媒体资源反馈给所述终端。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源，包括：
    根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有名称与所述数据标识信息相同的媒体资源；
    或者，所述根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源，包括：
    根据预定处理规则对所述访问请求中携带的数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
    查询所述路由器中是否存储有名称与所述字符串相同的媒体资源。
  3. 根据权利要求1或2所述的方法，其特征在于，在查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源之前，还包括：
    确定所述媒体资源的类型；
    所述查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源包括：在与所述类型对应的存储空间中，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源。
  4. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    若所述路由器中未存储有与所述数据标识信息对应的媒体资源，则将所述数据标识信息转发给与所述媒体资源对应的服务器，所述数据标识信息用于触发所述服务器向所述路由器反馈与所述数据标识信息对应的媒体资源；
    接收所述服务器反馈的所述媒体资源，并将接收自所述服务器的所述媒体资源反馈给所述终端；
    根据所述数据标识信息存储所述媒体资源。
  5. 根据权利要求4所述的方法，其特征在于，所述根据所述数据标识信息存储所述 媒体资源，包括：
    将所述媒体资源的数据标识信息作为所述媒体资源的名称，存储所述媒体资源；
    或者，所述根据所述数据标识信息存储所述媒体资源，包括：
    按照预定处理规则对所述数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
    将所述字符串作为所述媒体资源的名称，存储所述媒体资源。
  6. 根据权利要求4或5所述的方法，其特征在于，所述存储所述媒体资源，包括：
    确定所述媒体资源的类型；
    将所述媒体资源存储至与所述类型对应的存储空间中。
  7. 一种媒体资源反馈装置，其特征在于，所述装置包括：
    请求接收模块，被配置为在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求；
    资源查询模块，被配置为根据所述请求接收模块接收到的所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；
    第一反馈模块，被配置为在所述资源查询模块查询到所述路由器中存储有与所述数据标识信息对应的媒体资源时，将所述路由器中已存储的所述媒体资源反馈给所述终端。
  8. 根据权利要求7所述的装置，其特征在于，所述资源查询模块，包括：
    第一查询子模块，被配置为根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有名称与所述数据标识信息相同的媒体资源；
    或者，所述资源查询模块，包括：
    第一处理子模块，被配置为根据预定处理规则对所述访问请求中携带的数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
    第二查询子模块，被配置为查询所述路由器中是否存储有名称与所述字符串相同的媒体资源。
  9. 根据权利要求7或8所述的装置，其特征在于，所述装置还包括：
    确定模块，被配置为确定所述媒体资源的类型；
    所述资源查询模块，还被配置为在与所述确定模块确定的所述类型对应的存储空间中，查找是否存储有名称与所述字符串相同的媒体资源。
  10. 根据权利要求7中任一项所述的装置，其特征在于，所述装置还包括：
    资源转发模块，被配置为在所述资源查询模块查询到所述路由器中未存储有与所述数据标识信息对应的媒体资源时，将所述数据标识信息转发给与所述媒体资源对应的服务器，所述数据标识信息用于触发所述服务器向所述路由器反馈与所述数据标识信息对应的媒体资源；
    第二反馈模块，被配置为接收所述服务器反馈的所述媒体资源，并将接收自所述服务器的所述媒体资源反馈给所述终端；
    资源存储模块，被配置为根据所述数据标识信息存储所述媒体资源。
  11. 根据权利要求10所述的装置，其特征在于，所述资源存储模块，包括：
    第一存储子模块，被配置为将所述媒体资源的数据标识信息作为所述媒体资源的名称，存储所述媒体资源；
    或者，所述资源存储模块，包括：
    第二处理子模块，被配置为按照预定处理规则对所述数据标识信息进行处理，得到与所述数据标识信息唯一对应的字符串，其中所述预定处理规则用于减少被处理的数据标识信息的字符；
    所述第一存储子模块，还被配置为将所述字符串作为所述媒体资源的名称，存储所述媒体资源。
  12. 根据权利要求10或11所述的装置，其特征在于，所述第一存储子模块，包括：
    确定子模块，被配置为确定所述媒体资源的类型；
    第二存储子模块，被配置为将所述媒体资源存储至与所述类型对应的存储空间中。
  13. 一种媒体资源反馈装置，其特征在于，所述装置包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    在路由器中接收终端发送的用于请求获取特定媒体资源的访问请求；
    根据所述访问请求中携带的数据标识信息，查询所述路由器中是否存储有与所述数据标识信息对应的媒体资源；
    若所述路由器中存储有与所述数据标识信息对应的媒体资源，则将所述路由器中已存储的所述媒体资源反馈给所述终端。
PCT/CN2015/093855 2014-11-06 2015-11-05 媒体资源反馈方法及装置 Ceased WO2016070822A1 (zh)

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