WO2015024404A1 - 一种机顶盒文件共享方法及系统 - Google Patents

一种机顶盒文件共享方法及系统 Download PDF

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Publication number
WO2015024404A1
WO2015024404A1 PCT/CN2014/079273 CN2014079273W WO2015024404A1 WO 2015024404 A1 WO2015024404 A1 WO 2015024404A1 CN 2014079273 W CN2014079273 W CN 2014079273W WO 2015024404 A1 WO2015024404 A1 WO 2015024404A1
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WIPO (PCT)
Prior art keywords
top box
set top
file
identifier
server
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Application number
PCT/CN2014/079273
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English (en)
French (fr)
Inventor
邓鹏�
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深圳市九洲电器有限公司
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Publication of WO2015024404A1 publication Critical patent/WO2015024404A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4786—Supplemental services, e.g. displaying phone caller identification, shopping application e-mailing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/237—Communication with additional data server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/27—Server based end-user applications
    • H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
    • H04N21/2743—Video hosting of uploaded data from client
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting

Definitions

  • the invention belongs to the technical field of set top boxes, and in particular relates to a method and system for sharing a set top box file.
  • the method of sharing the set-top box files in the home is basically sharing files with other terminals through the set-top box WIFI, such as mobile phones, PADs, and the like. Limited by the distance of WIFI transmission, such file sharing methods are limited to a single family, and file sharing is not possible between families.
  • the object of the embodiments of the present invention is to provide a method and a system for sharing a set top box file, which are intended to solve the problem that file sharing between existing home set top box users must first upload files to the server, resulting in limited file sharing, and processing and data processing of the server data.
  • a set top box file sharing method includes the following steps:
  • the first set top box uploads the file identifier and the first set top box identifier to the server, where the file identifier is an identifier of a file shared by the first set top box;
  • the server stores a correspondence between the file identifier uploaded by the first set top box and the first set top box identifier
  • the server When receiving the file acquisition request sent by the second set-top box, the server acquires the first set-top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set-top box identifier, and sends the file acquisition request to the The first set top box corresponding to the first set top box identifier, the file obtaining request includes a second set top box identifier and a file identifier uploaded by the first set top box;
  • the first set top box determines the second set top box according to the second set top box identifier, and transmits the file corresponding to the file identifier in the file acquisition request to the second set top box.
  • the invention also provides a set top box file sharing system, the system comprising:
  • First set top box, second set top box, server
  • the first set top box is configured to upload the file identifier and the first set top box identifier to the server, where the file identifier is an identifier of a file shared by the first set top box;
  • the server is configured to store a correspondence between a file identifier uploaded by the first set top box and the first set top box identifier;
  • the second set top box is configured to send a file acquisition request to the server
  • the server is further configured to: when receiving the file acquisition request sent by the second set top box, obtain the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier, and The file obtaining request is sent to the first set top box corresponding to the first set top box identifier, where the file obtaining request includes the second set top box identifier and the file identifier uploaded by the first set top box;
  • the first set top box is further configured to receive the file acquiring request, and determine, according to the second set top box identifier, the second set top box, and transmit the file corresponding to the file identifier in the file obtaining request to the second set top box;
  • the second set top box is further configured to receive a file that is transmitted by the first set top box and that corresponds to a file identifier in the file obtaining request.
  • the first set top box uploads the file identifier of the shared file and the first set top box identifier to the server, and the server stores the correspondence between the file identifier uploaded by the first set top box and the first set top box identifier; the server receives the second set top box sent by the server.
  • the first set top box identifier corresponding to the file obtaining request is obtained according to the correspondence between the file identifier and the first set top box identifier, and the file obtaining request is sent to the
  • the first set top box corresponding to the first set top box identifier is configured, and the first set top box transmits the file corresponding to the file identifier in the file obtaining request to the second set top box according to the file obtaining request.
  • the invention does not need to upload files to the server, and the files are directly obtained from the set top box side, thereby reducing the pressure on the server.
  • the file transfer pressure and data processing pressure during file sharing are all distributed to the set-top boxes in each home to solve the problem. When a large number of home users realize file sharing at the same time, the server bears all the pressures causing the server to crash.
  • FIG. 1 is a flowchart of implementing a method for sharing a set top box file according to an embodiment of the present invention
  • FIG. 2 is a flowchart of implementing a method for sharing a set top box file according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of interaction between a method for sharing a set top box in a local area network and a local area network according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a set top box file sharing system according to an embodiment of the present invention.
  • FIG. 1 is a flowchart showing an implementation process of a set top box file sharing method according to an embodiment of the present invention, which is described in detail as follows:
  • Step 101 The first set top box uploads the file identifier and the first set top box identifier to the server, where the file identifier is an identifier of a file shared by the first set top box.
  • the file identifier may be a file name of the identification file, and the like.
  • the set-top box identifier may be a unique identifier of the home user corresponding to the set-top box, and may be a unique identifier such as a user ID number and a phone number.
  • Step 102 The server stores a correspondence between the file identifier uploaded by the first set top box and the identifier of the first set top box.
  • the server stores, by using a database, a correspondence between the file identifier uploaded by the first set top box and the first set top box identifier.
  • the database includes: user tables and data tables.
  • the server-side database is mainly used for storing the shared file name of the upload, and correspondingly uploading the storage of the set-top box address.
  • the database contains a user table with multiple data tables.
  • the server stores the file identifier and the first set-top box identifier in the data table in the server database, and stores the address information of the first set-top box corresponding to the first set-top box identifier and the first set-top box identifier into the user table in the server database.
  • the address of the first set top box refers to the local area network address of the first set top box, the public network gateway address of the first set top box, and the address of the first set top box local area network server.
  • the user table includes the information of the organic top box user terminal.
  • the main field information includes but is not limited to: the user identification ID, the local area network server address to which the user belongs, the user local area network address, the user status, and the number of shared files by the user.
  • the user ID in the table is the primary key of the table. That is, the user ID content is unique and cannot be repeated.
  • the ID (Identity) indicates the unique identifier of the home user, and may be unique information such as the user ID number.
  • the address of the LAN server to which the user belongs indicates the server address of the LAN to which the home user belongs. Generally, this address uses IP (Internet). Protocol, interconnection protocol between networks) Protocol division.
  • the user's local area network address indicates the address assigned by the home user on the local area network.
  • the local area network address assigned here is also divided by the IP protocol, and this address is a static address and is bound to the home user.
  • the user status refers to whether the current home user is using the set-top box, whether it is connected to the server. If it is connected, the user status is online, and if it is not connected, it is offline.
  • the number of user shared files indicates the total number of files shared by home users.
  • the public network gateway address indicates the address of the public network gateway of the home user in the television broadcast network. Generally, this address is divided by the IP protocol.
  • Table 1 User Table User ID User's local area network server address User LAN address user status User shared files Public network gateway address ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
  • the data table is used to store information about the user uploaded file.
  • the data table is shown in Table 2.
  • the data table contains file field information, and the main file field information includes but is not limited to: user identification ID, file name, file type, file size, file description, and the like.
  • the ID (Identity) indicates the unique identifier of the home user, and may be unique information such as the user ID number.
  • the user ID of the file field is the same as the user ID of the set-top box client field.
  • the file name indicates the name of the file shared by the home user.
  • the file type indicates the type of file shared by the home user, such as video, audio, picture, document, and the like.
  • the file size indicates the size of the file shared by the home user.
  • the file description indicates a description of the file shared by the home user, such as an introduction to the file content, an introduction to the picture, and the like.
  • the user ID and file name are the joint primary key. That is, the contents of the two fields of the user ID and the file name cannot exist in the same two lines of data at the same time.
  • Step 103 When receiving the file acquisition request sent by the second set top box, the server acquires the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier, and sends the file acquisition request to the first
  • the set top box identifier corresponds to the first set top box
  • the file obtaining request includes the second set top box identifier and the file identifier uploaded by the first set top box.
  • the second set top box When the second set top box needs to share the file of the first set top box, the second set top box sends a file acquisition request to the server, where the file acquisition request includes the second set top box identifier and the file identifier uploaded by the first set top box, and the server receives the second set top box to send the file. And obtaining, according to the correspondence between the file identifier and the identifier of the first set-top box, the first set-top box identifier corresponding to the file acquisition request, and sending the file acquisition request to the first set-top box corresponding to the first set-top box identifier.
  • the server when receiving the file acquisition request sent by the second set top box, the server obtains the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier, and determines the first corresponding to the first set top box identifier. If the set-top box is online, if the file is online, the file acquisition request is sent to the first set-top box corresponding to the first set-top box identifier. If not, the server sends the acquisition failure indication information to the second set-top box.
  • the first set top box identifier corresponding to the file acquisition request is a first set top box identifier that stores a file corresponding to the file identifier in the file acquisition request.
  • the second set top box sends a file acquisition request to the local area network server of the second set top box, and the local area network server of the second set top box obtains the file acquisition request sent by the second set top box, according to the correspondence between the file identifier and the first set top box identifier.
  • the first set top box identifier corresponding to the file acquisition request when the first set top box and the second set top box corresponding to the first set top box identifier belong to the same local area network, the local area network server to which the second set top box belongs determines whether the first set top box is online, and if the online second set top box belongs to the local area network
  • the server sends the file acquisition request to the first set top box corresponding to the first set top box identifier.
  • the local area network server of the second set top box sends the acquisition failure indication information to the second set top box, and the second set top box receives the acquisition failure indication information and stops waiting to receive the data.
  • the local area network server to which the second set top box belongs receives the file acquisition request sent by the second set top box, and then sends the file acquisition request to the first according to the network topology structure.
  • a local area network server to which the set top box belongs determines whether the first set top box is online, and if the local area network server belongs to the first set top box, the file acquisition request is sent to the first set top box corresponding to the first set top box identifier, if not online, the first
  • the local area network server of the set top box sends the acquisition failure indication information to the local area network server of the second set top box according to the network topology structure, and the second set top box stops waiting to receive data after receiving the acquisition failure indication information.
  • Step 104 The first set top box determines the second set top box according to the second set top box identifier, and transmits the file corresponding to the file identifier in the file acquisition request to the second set top box.
  • the first set top box After receiving the file obtaining request sent by the local area network server, the first set top box determines the second set top box according to the second set top box identifier in the file obtaining request, obtains the second set top box address, and associates the file corresponding to the file identifier in the file obtaining request. Transfer to the second set-top box.
  • the first set top box determines whether the file transmission can be implemented according to the load condition of the first set top box.
  • the first set top box transmits the file corresponding to the file identifier in the file acquisition request to the second set top box, and simultaneously sends the indication information capable of transmitting the file to the local area network server to which the first set top box belongs.
  • the first set top box sends a full load indication message to the server, and the server forwards the full load indication information to the second set top box.
  • the first set top box identifier corresponds to the first set top box and the first set top box
  • the second set top box belongs to the same local area network
  • the first set top box sends full load indication information to the local area network server to which the first set top box belongs
  • the local area network server of the first set top box sends the full load indication information to the second set top box
  • the first set top box identifier corresponds to the first set top box and The second set top box does not belong to the same local area network
  • the first set top box sends full load indication information to the local area network server to which the first set top box belongs.
  • the local area network server of the first set top box After receiving the full load indication information, transmits the full load indication information to the second according to the network topology structure.
  • the local area network server to which the set top box belongs, and the local area network server of the second set top box send the full load indication information to the second set top box, and the second set top box stops waiting to receive data after receiving the full load indication information.
  • the load capacity of a single set-top box is limited, for example, the ability of a single set-top box to share data at the same time is limited, and the hardware configuration of different set-top boxes determines the sharing capability.
  • the data processing capability of the second set-top box is to simultaneously share 10 files when requested. If more than 10 files exceed the sharing ability and cannot be shared, the first set-top box cannot transfer the file to the second set-top box.
  • the set-top box file sharing method further includes timeout processing. Because in the network transmission process, in view of different conditions of the network, packet loss may occur, and the server or the set-top box may not wait for relevant data. Waiting to receive data timing after the second set top box sends the file request information to the server, if the time exceeds the second threshold and has not received the information sent by the first set top box or the server, stop waiting to receive data, for example, when the waiting time exceeds 120 seconds Then, it stops waiting to receive data, which overcomes the congestion of the communication and the waste of resources caused by the second set top box being in a waiting state due to the network failure.
  • the server sends a file acquisition request to the first set-top box corresponding to the first set-top box identifier, and waits for timing. If the timer exceeds the third threshold, the server has not received the indication information capable of transmitting the file sent by the first set-top box, and then resends. The file acquisition request is sent to the first set top box to improve the stability of data transmission.
  • the third threshold can be set to 30 seconds.
  • the embodiment of the present invention further describes the implementation method of file sharing in conjunction with FIG. 2, and the sharing implementation method includes the following steps:
  • Step 201 The first set top box uploads the file identifier and the first set top box identifier to the first server, where the file identifier is an identifier of a file shared by the first set top box. Step 201 is the same as step 101 of the previous embodiment.
  • Step 202 The first server stores a correspondence between the file identifier uploaded by the first set top box and the identifier of the first set top box.
  • the specific storage manner is the same as step 102 of the foregoing embodiment.
  • Step 203 The local area network server to which the second set top box belongs receives the file acquisition request sent by the second set top box, and obtains the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier, and the file obtaining request is obtained.
  • the first set top box identifier corresponding to the file acquisition request is a first set top box identifier that stores a file corresponding to the file identifier in the file acquisition request.
  • Step 204 The local area network server to which the second set top box belongs determines whether the first set top box corresponding to the first set top box identifier belongs to the same local area network as the second set top box. If the local area network belongs to the same local area network, step 206 is performed. Otherwise, step 205 is performed.
  • the local area network server of the second set top box obtains the server address corresponding to the first set top box according to the first set top box identifier, and if the server address of the local area network to which the first set top box belongs and the second set top box belong to The address of the local area network server is the same, indicating that the first set top box and the second set top box belong to the same local area network, that is, the second set top box belongs to the local area network server, and the first server is the same as the address of the local area network server of the second set top box. , indicating that the first set top box and the second set top box do not belong to the same local area network, and then the local area network server to which the second set top box belongs is the second server.
  • Step 205 The second server sends a file acquisition request to the first server.
  • Step 206 Determine whether the first set top box is online by the first server. If the first set top box is online, perform step 207 after performing step 208, otherwise perform step 209.
  • Step 207 The first server sends a file acquisition request to the first set top box.
  • Step 208 The first set top box determines, according to the load condition, whether to transfer the file corresponding to the file identifier in the file acquisition request to the second set top box. When the load is less than the first threshold, the first set top box transmits the file corresponding to the file identifier in the file acquisition request to the second set top box, and simultaneously sends the indication information capable of transmitting the file to the first server.
  • the first set top box When the load is greater than or equal to the first threshold, if the first set top box and the second set top box belong to the same local area network, the first set top box sends full load indication information to the first server, and the first server sends the full load indication information to the second The set top box, if the first set top box and the second set top box do not belong to the same local area network, the first set top box sends full load indication information to the first server, and the first server forwards the full load indication information to the second server after receiving the full load indication information. The second server then sends the full load indication information to the second set top box, and the second set top box stops waiting to receive data after receiving the full load indication information.
  • Step 209 Notify the second set top box to stop waiting to receive data.
  • the first server sends the acquisition failure indication information to the second set top box, and notifies the second set top box to stop waiting to receive data. If the first set top box and the first server do not belong to the same local area network, the first server sends the acquisition failure indication information to the first server, and the first server sends the acquisition failure indication information to the second set top box to notify the second set top box to stop waiting to receive data. In this way, when the first set top box is not online, the first set top box is always waiting to receive data, which causes data communication congestion and waste of resources.
  • FIG. 3 shows a schematic diagram of file sharing interaction between a local area network and a local area network.
  • the server 1 is a server corresponding to the first local area network
  • the server 2 is a server corresponding to the second local area network
  • the set top box A and the set top box B are in the first local area network.
  • the set top box, the set top box C, and the set top box D are set top boxes in the second local area network.
  • the server communicates with the corresponding set top box in the local area network.
  • the purpose of communication is as follows: First, the set top box uploads the name of the file to be shared, and then the server records in the corresponding database.
  • the server communicates with the set-top box, informing the relevant set-top box to transmit the data to the desired set-top box terminal.
  • the set top box A and the set top box B upload the file names to be shared to the server 1, and the server 1 processes and stores them in the corresponding database. If the file that the set-top box B needs to obtain in the server 1 is from the set-top box A, the set-top box B first sends a file acquisition request to the set-top box and prepares to accept the data. After the server 1 receives the request from the set-top box B, the server 1 will set the set-top box.
  • the communication address of B and the file identifier required by the set top box B are sent to the set top box A, and then the set top box A directly sends data to the set top box B, and the end mark of the data is unified.
  • the set top box B receives the data end mark, the set top box B receives the completion. .
  • the server communicates with the server, and the server communicates with the set top box in the local area network.
  • Communication purpose First, the set-top box uploads the file identifier and the set-top box identifier that need to be shared, and then the corresponding LAN server records the corresponding data in the corresponding database.
  • the second is inter-server communication, which transmits the communication address of the relevant requesting set-top box to the set-top box across the local area network.
  • the third is data transmission between two set-top boxes across the LAN. As shown in FIG. 1, it is assumed that the file requested by the set top box C is stored in the set top box A. First, the set top box C will communicate the requested file to the server 2, and the set top box C will start waiting for data reception.
  • the server 2 can obtain the local area network from which the file is derived according to the file identifier provided by the set top box C, and then the server 2 communicates with the server 1.
  • the server 1 sends the address information of the set top box C and the required file information to the set top box A, and the set top box A sends data to the set top box C, and the end mark of the data is unified.
  • the set top box C receives the data end mark, the set top box C receives carry out.
  • FIG. 3 only shows file sharing between two local area networks. It should be noted that the file sharing method of the present invention is not limited to two local area networks, and may be multiple local area networks.
  • FIG. 4 shows a set top box file sharing system according to an embodiment of the present invention.
  • the set top box file sharing system can implement the file sharing method of the foregoing embodiment.
  • a set top box file sharing system includes: a first set top box 41, a second set top box 42, and a server 43.
  • the first set top box 41 is configured to upload the file identifier and the first set top box identifier to the server 43, where the file identifier is an identifier of a file shared by the first set top box.
  • the server 43 is configured to store a correspondence between the file identifier uploaded by the first set top box and the first set top box identifier.
  • the server 43 stores the correspondence between the file identifier uploaded by the first set top box and the first set top box identifier through the database.
  • the database includes: user tables and data tables.
  • the server-side database is mainly used for storing the shared file name of the upload, and correspondingly uploading the storage of the set-top box address.
  • the database contains a user table with multiple data tables.
  • the server stores the file identifier and the first set top box identifier in the data table in the server database, and stores the address information of the first set top box corresponding to the first set top box identifier into the user table in the server database.
  • the address of the first set top box refers to the local area network address of the first set top box, the public network gateway address of the first set top box, and the address of the first set top box local area network server.
  • the user table and data table are the same as the
  • a second set top box 42 for sending a file acquisition request to the server
  • the server 43 is further configured to: when receiving the file acquisition request sent by the second set top box, obtain the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier, and send the file acquisition request to
  • the first set top box identifier corresponds to the first set top box
  • the file acquisition request includes the second set top box identifier and the file identifier uploaded by the first set top box.
  • the first set top box identifier corresponding to the file acquisition request is a first set top box identifier that stores a file corresponding to the file identifier in the file acquisition request.
  • the first set top box 41 is further configured to receive the file obtaining request, and determine the second set top box according to the second set top box identifier, and transmit the file corresponding to the file identifier in the file obtaining request to the second set top box.
  • the second set top box 42 is further configured to receive a file corresponding to the file identifier in the file acquisition request transmitted by the first set top box according to the file acquisition request.
  • the first set top box 41 transmits the file corresponding to the file identifier in the file acquisition request to the second set top box 42 according to the file acquisition request, and specifically includes: when the load of the first set top box is less than the first threshold, the first set top box is The file corresponding to the file identifier in the file obtaining request is transmitted to the second set top box, and the indication information capable of transmitting the file is sent to the server; when the load of the first set top box is greater than or equal to the first threshold, the first set top box sends a full load indication to the server. Information, the server then forwards the full load indication information to the second set top box.
  • system further includes: a timer 44; a timer 44, configured to wait for the second set top box to send a file acquisition request to the server for waiting timing; or/and for when the second set top box receives a sudden interruption of data, and performs an interrupt timing; or / Waiting for timing after the server sends the file acquisition request to the first set top box corresponding to the first set top box identifier.
  • the server is further configured to: when receiving the file acquisition request sent by the second set top box, obtain the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier, and obtain the file The request is sent to the first set top box corresponding to the first set top box identifier, and the method includes: when receiving the file obtaining request sent by the second set top box, the server obtains the first corresponding to the file obtaining request according to the correspondence between the file identifier and the first set top box identifier a set-top box identifier, and determining whether the first set-top box corresponding to the first set-top box identifier is online. If online, the file acquisition request is sent to the first set-top box corresponding to the first set-top box identifier, and if not, the server sends the acquisition failure indication information to the second Set-top box.
  • the server 43 includes a first server 431 and a second server 432, and the first server and the second server are located in different local area networks.
  • the first server acquires the first set top box identifier corresponding to the file acquisition request according to the correspondence between the file identifier and the first set top box identifier; and the first set top box corresponding to the first set top box identifier
  • the first server sends the file acquisition request to the first set top box corresponding to the first set top box identifier; when the first set top box corresponding to the first set top box identifier is different from the first server, the first server
  • the file acquisition request is sent to the second server, and the file acquisition request is sent to the first set top box corresponding to the first set top box identifier by the second server, and the second server is the server in the local area network where the first set top box corresponding to the first set top box identifier is located.

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  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

本发明适用于机顶盒技术领域，提供了一种机顶盒文件共享方法及系统。本发明中，第一机顶盒将共享文件的文件标识和第一机顶盒标识上传至服务器，服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系；服务器在接收到第二机顶盒发送的包含第二机顶盒标识和文件标识的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒；第一机顶盒根据所述文件获取请求将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒。在本发明不需要将文件上传存储至服务器，文件直接从机顶盒端获取，从而减轻了服务器的数据压力。

Description

一种机顶盒文件共享方法及系统 技术领域
本发明属于机顶盒技术领域，尤其涉及一种机顶盒文件共享方法及系统。
 背景技术
当前，数字机顶盒与电视机都是生活的必备家电。现在家庭中机顶盒文件共享的方式基本都是通过机顶盒WIFI与其他终端进行文件共享，比如手机，PAD等。受WIFI发射距离的限制，这样的文件共享方式范围仅限于单个家庭，家庭间不能进行文件共享。
而对于家庭间文件共享，部分电视运营商也做出了努力。其允许部分用户上传文件到服务器，从而通过服务器再实现文件共享。这种方式有很大的限制：一方面，服务器的存储空间是有限的，对于如此庞大的家庭用户，每户上传一定量的数据就会对服务器的空间造成很大压力；另一方面，当有大量家庭用户同时访问服务器实现文件共享的时候，会造成服务器很大的数据处理与网络传输压力，很容易奔溃。为了维护服务器稳定，故目前只是实现了部分文件对于部分用户共享。
 技术问题
本发明实施例的目的在于提供一种机顶盒文件共享方法和系统，旨在解决现有的家庭机顶盒用户之间文件共享必须先将文件上传至服务器，造成文件共享有限，以及服务器数据数据处理和传输压力大，容易崩溃的问题。
 技术解决方案
本发明是这样实现的，一种机顶盒文件共享方法，包括以下步骤：
第一机顶盒将文件标识和第一机顶盒标识上传至服务器，所述文件标识为第一机顶盒共享的文件的标识；
服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系；
服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，所述文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识；
第一机顶盒根据所述第二机顶盒标识确定第二机顶盒，并将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒。
本发明的还提供了一种机顶盒文件共享系统，所述系统包括：
第一机顶盒、第二机顶盒、服务器；
所述第一机顶盒，用于将文件标识和第一机顶盒标识上传至服务器，所述文件标识为第一机顶盒共享的文件的标识；
所述服务器，用于存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系；
所述第二机顶盒，用于发送文件获取请求至所述服务器；
所述服务器，还用于在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，所述文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识；
所述第一机顶盒，还用于接收所述的文件获取请求，并根据所述第二机顶盒标识确定第二机顶盒，将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒；
所述第二机顶盒，还用于接收所述第一机顶盒传输的与所述文件获取请求中的文件标识对应的文件。
 有益效果
在本发明中，第一机顶盒将共享文件的文件标识和第一机顶盒标识上传至服务器，服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系；服务器在接收到第二机顶盒发送的包含第二机顶盒标识和文件标识的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，第一机顶盒根据所述文件获取请求将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒。本发明不需要将文件上传至服务器，文件直接从机顶盒端获取，从而减轻了服务器的压力。文件共享时的文件传输压力与数据处理压力全部分散到各家庭中的机顶盒来承担，解决了大量家庭用户同时实现文件共享时，服务器承担所有压力造成服务器奔溃的问题。
 附图说明
图1是本发明实施例提供的机顶盒文件共享方法的实现流程图；
图2是本发明实施例提供的机顶盒文件共享方法的实现流程图；
图3是本发明实施例提供的局域网内和局域网间机顶盒文件共享方法的交互示意图；
图4是本发明实施例提供的机顶盒文件共享系统的结构框图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
图1示出了本发明实施例提供的一种机顶盒文件共享方法的实现流程，详述如下：
步骤101、第一机顶盒将文件标识和第一机顶盒标识上传至服务器，上述文件标识为第一机顶盒共享的文件的标识。
具体的，文件标识可以是标识文件的文件名称等。机顶盒标识可以为机顶盒对应的家庭用户的唯一标识，可以是用户身份证号、电话号码等唯一标识。
步骤102、服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系。
优选的，服务器通过数据库存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系。数据库包括：用户表和数据表。服务器端的数据库主要用于上传的共享文件名字的存储，相应上传机顶盒地址的存储。数据库中包含一个用户表与多个数据表。服务器将文件标识和第一机顶盒标识存储至服务器数据库中的数据表中，同时将第一机顶盒标识对应的第一机顶盒的地址信息以及第一机顶盒标识存储至服务器数据库中的用户表中。第一机顶盒的地址是指第一机顶盒的局域网地址、第一机顶盒的公网网关地址和第一机顶盒局域网服务器地址。
如表1所示，用户表包含有机顶盒用户端字段信息，主要字段信息包括但不限于：用户标识ID，用户所属局域网服务器地址，用户局域网地址，用户状态，用户共享文件数。表中用户ID为表的主键。即用户ID内容唯一，不能重复。用户标识（ID，Identity）表示此家庭用户的唯一标识，可以是用户身份证号等唯一信息。用户所属局域网服务器地址表示家庭用户所属的局域网的服务器地址，一般此地址使用IP（Internet Protocol，网络之间互连协议）协议划分。用户局域网地址表示此家庭用户在所属局域网分配的地址，此处分配的局域网地址也使用IP协议划分，且此地址为静态地址，与家庭用户绑定。用户状态是指当前家庭用户是否在使用的机顶盒，是否连上服务器，若在连上，则用户状态为线上，若未连上则为线下。用户共享文件数表示家庭用户共享文件的总数量。公网网关地址表示此家庭用户在电视广播网中公网网关的地址，一般此地址使用IP协议划分。
表1 用户表
用户ID 用户所属局域网服务器地址 用户局域网地址 用户状态 用户共享文件数 公网网关地址 …
… … … … … … …
… … … … … … …
数据表用于存储用户上传文件的相关信息。数据表如表2所示。数据表中包含有文件字段信息，主要文件字段信息包括但不限于：用户标识ID，文件名字，文件类型，文件大小，文件描述等。用户标识（ID，Identity）表示此家庭用户的唯一标识，可以是用户身份证号等唯一信息。文件字段的用户标识与机顶盒用户端字段的用户标识相同。文件名称表示家庭用户共享的文件的名字。文件类型表示家庭用户共享的文件对应的类型，比如说视频，音频，图片，文档等。文件大小表示家庭用户共享的文件对应的大小。文件描述表示家庭用户共享的文件的相关描述，比如文件内容简介，图片简介等。
数据表中，用户ID与文件名字为联合主键。即用户ID与文件名字两个字段的内容不能存在同时相同的两行数据。
表2数据表
用户ID 文件名字 文件类型 文件大小 文件描述 …
… … … … … …
步骤103、服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，并将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，上述文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识。
当第二机顶盒需要共享第一机顶盒的文件是，第二机顶盒向服务器发送文件获取请求，该文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识，服务器接收到第二机顶盒发送文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，并将文件获取请求发送至第一机顶盒标识对应的第一机顶盒。
优选的，服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，并判断第一机顶盒标识对应的第一机顶盒是否在线，若在线则将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，若不在线则服务器发送获取失败指示信息给第二机顶盒。上述与文件获取请求对应的第一机顶盒标识为存储有文件获取请求中的文件标识对应的文件的第一机顶盒标识。 具体的，第二机顶盒发送文件获取请求给第二机顶盒所属局域网服务器，第二机顶盒所属局域网服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，当第一机顶盒标识对应的第一机顶盒与第二机顶盒属于同一局域网时，第二机顶盒所属局域网服务器判断第一机顶盒是否在线，若在线第二机顶盒所属局域网服务器将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，若不在线，第二机顶盒所属局域网服务器发送获取失败指示信息给第二机顶盒，第二机顶盒收到获取失败指示信息停止等待接收数据。当第一机顶盒标识对应的第一机顶盒与第二机顶盒不属于同一局域网，则第二机顶盒所属局域网服务器在接收到第二机顶盒发送的文件获取请求后根据网络拓扑结构将文件获取请求转发送至第一机顶盒所属局域网服务器，第一机顶盒所属局域网服务器判断第一机顶盒是否在线，若在线第一机顶盒所属局域网服务器再将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，若不在线，第一机顶盒所属局域网服务器根据网络拓扑结构向第二机顶盒所属局域网服务器发送获取失败指示信息，第二机顶盒收到获取失败指示信息后停止等待接收数据。
步骤104、第一机顶盒根据上述第二机顶盒标识确定第二机顶盒，并将与文件获取请求中的文件标识对应的文件传输至第二机顶盒。
第一机顶盒接收到其所属局域网服务器发送的文件获取请求后，根据文件获取请求中的第二机顶盒标识确定第二机顶盒，获取第二机顶盒地址，并将与文件获取请求中的文件标识对应的文件传输至第二机顶盒。
优选的，第一机顶盒接收到文件获取请求后，根据第一机顶盒的负荷情况确定是否能实现文件的传输。当负荷小于第一阈值时，第一机顶盒将与文件获取请求中的文件标识对应的文件传输至第二机顶盒，同时向第一机顶盒所属局域网服务器发送能够传输文件的指示信息。当负荷大于或等于第一阈值时，第一机顶盒向服务器发送满负荷指示信息，服务器再将满负荷指示信息转发送给第二机顶盒，具体的，若第一机顶盒标识对应的第一机顶盒与第二机顶盒属于同一局域网，则第一机顶盒向其所属局域网服务器发送满负荷指示信息，第一机顶盒所属局域网服务器再将满负荷指示信息发送给第二机顶盒，若第一机顶盒标识对应的第一机顶盒与第二机顶盒不属于同一局域网，则第一机顶盒向其所属局域网服务器发送满负荷指示信息，第一机顶盒所属局域网服务器接收到满负荷指示信息后根据网络拓扑结构将满负荷指示信息转发送至第二机顶盒所属局域网服务器，第二机顶盒所属局域网服务器再将满负荷指示信息发送至第二机顶盒，第二机顶盒接收到满负荷指示信息后则停止等待接收数据。因为单一机顶盒负荷能力是有限的，比如单一机顶盒同时共享数据的能力是有限的，且不同机顶盒硬件配置决定了共享能力，例如第二机顶盒其数据处理能力就是同时实现10个文件的共享，当请求多于10个文件，则超过了共享能力，不能实现共享，那么第一机顶盒就不能实现将文件传输给第二机顶盒。
进一步的，机顶盒文件共享方法还包括超时处理，由于在网络传输过程中，鉴于网络的不同状况，可能会出现包丢失的情况，服务器端或者机顶盒端会出现等待不到相关数据的情况。在第二机顶盒发送获取文件请求信息至服务器后进行等待接收数据计时，若计时超过第二阈值还未接收到第一机顶盒或服务器发送的信息，则停止等待接收数据，比如等待时间超过120秒时，则停止等待接收数据，这样克服了由于网络故障造成的第二机顶盒一直处于等待状态造成通信拥塞、资源浪费。或者当第二机顶盒接收数据突然中断，中断时间超过120秒时，则保存已经接收的数据至缓存区，停止等待，若再次请求同一文件时，则进行文件续传，同样避免了机顶盒一直处于空等待状态造成通信拥塞，同时进行缓存能提高数据传输效率，节省资源。同时，服务器将文件获取请求发送至第一机顶盒标识对应的第一机顶盒后进行等待计时，若计时超过第三阈值时，服务器还未收到第一机顶盒发送的能够传输文件指示信息，则重新发送文件获取请求给第一机顶盒，提高数据传输的稳定性。第三阈值可以设定为30秒。
优选的，为了更为详细的描述文件共享的过程，本发明实施例结合附图2对文件共享的实现方法做进一步的描述，共享实现方法包括以下步骤：
步骤201、第一机顶盒将文件标识和第一机顶盒标识上传至第一服务器，上述文件标识为第一机顶盒共享的文件的标识。步骤201与前述实施例步骤101相同。
步骤202、第一服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系。具体的存储方式与前述实施例步骤102相同。
步骤203、第二机顶盒所属局域网服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，上述文件获取请求包含第二机顶盒标识和文件标识。其中，与文件获取请求对应的第一机顶盒标识为存储有文件获取请求中的文件标识对应的文件的第一机顶盒标识。
步骤204、第二机顶盒所属局域网服务器判断第一机顶盒标识对应的第一机顶盒与第二机顶盒所属局域网服务器是否属于同一局域网，若属于同一局域网则执行步骤206，否则执行步骤205后执行步骤206。
具体的，第二机顶盒所属局域网服务器获取与文件获取请求对应的第一机顶盒标识后，根据第一机顶盒标识获取对应第一机顶盒所属服务器地址，若第一机顶盒所属局域网的服务器地址与第二机顶盒所属局域网服务器的地址相同，则表明第一机顶盒与第二机顶盒属于同一局域网即第二机顶盒所属局域网服务器就是第一服务器，若第一机顶盒所属局域网的服务器地址与第二机顶盒所属局域网服务器的地址不相同，则表明第一机顶盒与第二机顶盒不属于同一局域网，那么第二机顶盒所属局域网服务器为第二服务器。
步骤205、第二服务器将文件获取请求发送给第一服务器。
步骤206、通过第一服务器判断第一机顶盒是否在线，若第一机顶盒在线则执行步骤207后执行步骤208，否则执行步骤209。
步骤207、第一服务器将文件获取请求发送给第一机顶盒。
步骤208、第一机顶盒根据负荷情况确定是否将与文件获取请求中的文件标识对应的文件传输至第二机顶盒。当负荷小于第一阈值时，第一机顶盒将与文件获取请求中的文件标识对应的文件传输至第二机顶盒，同时向第一服务器发送能够传输文件的指示信息。当负荷大于或等于第一阈值时，所若第一机顶盒与第二机顶盒属于同一局域网，则第一机顶盒向第一服务器发送满负荷指示信息，第一服务器再将满负荷指示信息发送给第二机顶盒，若第一机顶盒与第二机顶盒不属于同一局域网，则第一机顶盒向第一服务器发送满负荷指示信息，第一服务器接收到满负荷指示信息后将满负荷指示信息转发至第二服务器，第二服务器再将满负荷指示信息发送至第二机顶盒，第二机顶盒接收到满负荷指示信息后则停止等待接收数据。
步骤209、通知第二机顶盒停止等待接收数据。
具体的，当第一机顶盒不线时，若第一机顶盒与第一服务器属于同一局域网，则第一服务器发送获取失败指示信息给第二机顶盒，通知第二机顶盒停止等待接收数据。若第一机顶盒与第一服务器不属于同一局域网，则第服务器向第一服务器发送获取失败指示信息，第一服务器再将获取失败指示信息发送给第二机顶盒，通知第二机顶盒停止等待接收数据。这样就避免了第一机顶盒不在线时，第一机顶盒一直处于等待接收数据状态，造成数据通信拥塞、资源浪费。
例如，图3示出了局域网内和局域网之间文件共享交互示意图，服务器1为第一局域网所对应的服务器，服务器2为第二局域网所对应的服务器，机顶盒A、机顶盒B为第一局域网中的机顶盒，机顶盒C、机顶盒D为第二局域网中的机顶盒。在局域网内，服务器与相应本局域网内机顶盒进行通信，通信目的：一是机顶盒上传需要共享的文件的名字，然后服务器记录在相应数据库中。二是服务器与机顶盒通信，通知相关机顶盒将数据传输到需要的机顶盒终端。如图1中所示，在服务器1局域网中，机顶盒A与机顶盒B将需要共享的文件名字上传到服务器1，服务器1处理存储到相应的数据库中。假如机顶盒B在服务器1中需要获取的文件是来源于机顶盒A，机顶盒B先向机顶盒发送文件获取请求同时做好接受数据的准备，服务器1接受到机顶盒B的请求后，服务器1就会将机顶盒B的通信地址及机顶盒B需要的文件标识发送到机顶盒A，然后机顶盒A直接向机顶盒B发送数据，且该数据的结尾标志是统一的，当机顶盒B接收到数据结尾标志，则机顶盒B接收完成。
在局域网间，服务器与服务器之间进行通信，服务器与本局域网内机顶盒进行通信。通信目的：一是机顶盒上传需要共享的文件标识以及机顶盒标识，然后相应局域网服务器将相应的数据记录在相应数据库中。二是服务器间通信，将相关请求机顶盒的通信地址传递到跨局域网的机顶盒中。三是跨局域网的两台机顶盒之间进行数据传输。如图1中所示，假设机顶盒C请求的文件存储在机顶盒A中。首先机顶盒C会将请求的文件通信到服务器2，同时机顶盒C会启动等待数据接收，服务器2根据机顶盒C提供的文件标识可以获取到该文件是来源于哪个局域网，然后服务器2与服务器1进行通信，服务器1再将机顶盒C的地址信息与需要文件信息发送到机顶盒A，机顶盒A向机顶盒C发送数据，且该数据的结尾标志是统一的，当机顶盒C接收到数据结尾标志，则机顶盒C接收完成。为了方便描述，图3只示出了2个局域网之间的文件共享，需要说明的是本发明的文件共享方法不限于两个局域网，可以是多个局域网。
图4示出了本发明实施例提供的一种机顶盒文件共享系统，该机顶盒文件共享系统能够实现前述实施例的文件共享方法。一种机顶盒文件共享系统，包括：第一机顶盒41、第二机顶盒42、服务器43。
第一机顶盒41，用于将文件标识和第一机顶盒标识上传至服务器43，文件标识为第一机顶盒共享的文件的标识。
服务器43，用于存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系。优选的，服务器43通过数据库存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系。数据库包括：用户表和含数据表。服务器端的数据库主要用于上传的共享文件名字的存储，相应上传机顶盒地址的存储。数据库中包含一个用户表与多个数据表。服务器将文件标识和第一机顶盒标识存储至服务器数据库中的数据表中，同时将第一机顶盒标识对应的第一机顶盒的地址信息存储至服务器数据库中的用户表中。第一机顶盒的地址是指第一机顶盒的局域网地址、第一机顶盒的公网网关地址和第一机顶盒局域网服务器地址。该用户表与数据表与前述实施例相同。
第二机顶盒42，用于发送文件获取请求至服务器；
服务器43，还用于在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，并将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识。上述与文件获取请求对应的第一机顶盒标识为存储有文件获取请求中的文件标识对应的文件的第一机顶盒标识。
第一机顶盒41，还用于接收的文件获取请求，并根据上述第二机顶盒标识确定第二机顶盒，将与文件获取请求中的文件标识对应的文件传输至第二机顶盒。
第二机顶盒42，还用于接收第一机顶盒根据文件获取请求传输的与文件获取请求中的文件标识对应的文件。
进一步的，第一机顶盒41根据文件获取请求将与文件获取请求中的文件标识对应的文件传输至第二机顶盒42，具体包括：当第一机顶盒的负荷小于第一阈值时，第一机顶盒将与文件获取请求中的文件标识对应的文件传输至第二机顶盒，并向服务器发送能够传输文件的指示信息；当第一机顶盒的负荷大于或等于第一阈值时，第一机顶盒向服务器发送满负荷指示信息，服务器再将满负荷指示信息转发送给第二机顶盒。
进一步的，系统还包括：计时器44；计时器44，用于第二机顶盒发送文件获取请求至服务器后进行等待计时；或/和用于当第二机顶盒接收数据突然中断，进行中断计时；或/和用于服务器将文件获取请求发送至第一机顶盒标识对应的第一机顶盒后进行等待计时。
进一步的，上述服务器，还用于在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，并将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，具体包括：服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识，并判断第一机顶盒标识对应的第一机顶盒是否在线，若在线则将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，若不在线则服务器发送获取失败指示信息给第二机顶盒。
进一步的，服务器43包括第一服务器431和第二服务器432，第一服务器与第二服务器位于不同的局域网内。第一服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与文件获取请求对应的第一机顶盒标识；当第一机顶盒标识对应的第一机顶盒与第一服务器在同一局域网时，第一服务器将文件获取请求发送至第一机顶盒标识对应的第一机顶盒；当第一机顶盒标识对应的第一机顶盒与第一服务器在不同局域网时，第一服务器将文件获取请求发送至第二服务器，通过第二服务器将文件获取请求发送至第一机顶盒标识对应的第一机顶盒，第二服务器为第一机顶盒标识对应的第一机顶盒所在局域网中的服务器。需要说明的是，为了方便描述，只列举了两个服务器，但本领域技术人员应该知悉，上述系统的服务器不限于第一服务器和第二服务器，可以包括多个服务器，多个服务器分别属于不同的局域网。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同时进行。
以上仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种机顶盒文件共享方法，其特征在于，包括以下步骤：
    第一机顶盒将文件标识和第一机顶盒标识上传至服务器，所述文件标识为第一机顶盒共享的文件的标识；
    服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系；
    服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，所述文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识；
    第一机顶盒根据所述第二机顶盒标识确定第二机顶盒，并将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒。
  2. 如权利要求1所述的方法，其特征在于，所述服务器包括第一服务器和第二服务器，所述第一服务器与所述第二服务器位于不同的局域网内。
  3. 如权利要求2所述的方法，其特征在于，所述服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，具体包括：
    第一服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识；
    当所述第一机顶盒标识对应的第一机顶盒与所述第一服务器在同一局域网时，第一服务器将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒；
    当所述第一机顶盒标识对应的第一机顶盒与所述第一服务器在不同局域网时，第一服务器将所述文件获取请求发送至第二服务器，通过所述第二服务器将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，所述第二服务器为所述第一机顶盒标识对应的第一机顶盒所在局域网中的服务器。
  4. 如权利要求1所述方法，其特征在于，所述第一机顶盒根据所述文件获取请求将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒，具体包括：
    当第一机顶盒的负荷小于第一阈值时，所述第一机顶盒向所述服务器发送能够传输文件的指示信息, 并将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒；
    当第一机顶盒的负荷大于或等于第一阈值时，所述第一机顶盒向所述服务器发送满负荷指示信息，所述服务器再将所述满负荷指示信息转发送给所述第二机顶盒。
  5. 如权利要求4所述的方法，其特征在于，所述方法还包括：
    所述第二机顶盒发送文件获取请求至服务器后进行等待计时，若计时超过第二阈值还未接收到第一机顶盒发送的文件或服务器发送的信息，则停止等待接收；或/和
    当所述第二机顶盒接收第一机顶盒传输的文件时，若传输的文件数据突然中断，中断时间超过第二阈值，则保存已经接收的数据至缓存区，停止等待接收数据，若再次请求获取同一文件时，则进行文件续传；或/和
    所述服务器将文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒后进行等待计时，若计时超过第三阈值时，所述服务器还未收到第一机顶盒发送的能够传输文件指示信息，则重新发送文件获取请求给所述第一机顶盒。
  6. 如权利要求1所述方法，其特征在于，所述服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，具体包括：
    所述服务器在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并判断所述第一机顶盒标识对应的第一机顶盒是否在线，若在线则将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，若不在线则所述服务器发送获取失败指示信息给所述第二机顶盒。
  7. 如权利要求1所述的方法，其特征在于，所述服务器存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系，具体包括：
    将所述文件标识和第一机顶盒标识存储至服务器数据库中的数据表中，同时将所述第一机顶盒标识对应的第一机顶盒的地址信息以及第一机顶盒标识存储至服务器数据库中的用户表中。
  8. 如权利要求7所述的方法，其特征在于，所述用户表，包括：用户标识、用户所属局域网服务器地址、用户局域网地址、用户共享文件数、公网网关地址。
  9. 如权利要求7所述的方法，其特征在于，所述数据表，包括：用户标识、文件名称、文件类型、文件大小、文件描述。
  10. 一种机顶盒文件共享系统，其特征在于，所述系统包括：第一机顶盒、第二机顶盒、服务器；
    所述第一机顶盒，用于将文件标识和第一机顶盒标识上传至服务器，所述文件标识为第一机顶盒共享的文件的标识；
    所述服务器，用于存储第一机顶盒上传的文件标识和第一机顶盒标识的对应关系；
    所述第二机顶盒，用于发送文件获取请求至所述服务器；
    所述服务器，还用于在接收到第二机顶盒发送的文件获取请求时，根据文件标识和第一机顶盒标识的对应关系，获取与所述文件获取请求对应的第一机顶盒标识，并将所述文件获取请求发送至所述第一机顶盒标识对应的第一机顶盒，所述文件获取请求包含第二机顶盒标识和第一机顶盒上传的文件标识；
    所述第一机顶盒，还用于接收所述的文件获取请求，并根据所述第二机顶盒标识确定第二机顶盒，将与所述文件获取请求中的文件标识对应的文件传输至第二机顶盒；
    所述第二机顶盒，还用于接收所述第一机顶盒传输的与所述文件获取请求中的文件标识对应的文件。
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