CN106657383B - Data downloading method and related equipment - Google Patents
Data downloading method and related equipment Download PDFInfo
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- CN106657383B CN106657383B CN201710022224.6A CN201710022224A CN106657383B CN 106657383 B CN106657383 B CN 106657383B CN 201710022224 A CN201710022224 A CN 201710022224A CN 106657383 B CN106657383 B CN 106657383B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The application provides a data downloading method, wherein a file server stores data files and blocking information thereof, and a plurality of mobile devices store file blocks downloaded from the file server. Before downloading the data file, a certain mobile device firstly determines a target mobile device with better network state from the mobile devices, then downloads file blocks from a file server and/or the target mobile device, and finally combines the downloaded file blocks into the data file. Therefore, the data file can be segmented into file blocks, the mobile device downloads the data file from a plurality of mobile devices in a distributed mode in the file blocks, and the mobile device with better network state is selected during downloading, so that the downloading speed can be improved. In addition, the application also provides a data downloading device and a data downloading system, which are used for ensuring the application and the realization of the method in practice.
Description
Technical Field
The present application relates to the field of data downloading technologies, and in particular, to a data downloading method and a related device.
Background
After developing the installation package or the patch package of the game program, the game provider releases the installation package or the patch package to the user for the user to download and install. The game program may be divided into various types, and if the game program is divided according to the type of the device running the game program, the game program may be divided into a PC (Personal Computer) version and a hand game version. The PC game is a game program running on a desktop computer, and the hand game is a game program running on a mobile device such as a mobile phone.
Therefore, if the game provider releases an installation package or a patch package of the hand game, the user needs to download the data file to a mobile device such as a mobile phone. To realize fast downloading of data files to a mobile device, how to increase the speed of downloading the data files by the mobile device has been a problem studied by those skilled in the art.
Disclosure of Invention
In view of the above, the present application provides a data downloading method for increasing the speed of downloading data files by a mobile device.
In order to achieve the purpose, the technical scheme provided by the application is as follows:
a first aspect of the present application provides a data downloading method, which is applied to a mobile device, and the method includes:
sending a request for acquiring an equipment list, wherein the request carries an identifier of a data file to be downloaded;
acquiring an equipment list corresponding to the identifier, wherein the equipment list records target mobile equipment of which the current network state meets a preset state condition, and the type of a loaded operating system is the same as that of an operating system loaded by the mobile equipment and in which file blocks of the data files are stored;
downloading at least file blocks of the data file from the target mobile device;
and combining the data file according to the downloaded file blocks.
In one implementation, the downloading at least the file block of the data file from the target mobile device includes:
acquiring a download address of the file block;
if the download address corresponds to the mobile equipment, downloading all file blocks of the data file from the target mobile equipment;
and if the download address corresponds to the mobile equipment and the server, downloading all file blocks of the data file from a preset file server and the target mobile equipment according to a download quantity proportion.
In an implementation manner, the device list records an identifier of a file block after the data file is segmented;
said downloading at least a file chunk of said data file from said target mobile device comprises:
sending an identifier of a file block of the data file to the target mobile device;
and receiving the file block which is returned by the target mobile equipment and corresponds to the identification of the file block.
In one implementation, the downloading at least the file block of the data file from the target mobile device includes:
obtaining a download speed limit value corresponding to the current network state of the mobile device;
and downloading the file blocks of the data file at least from the target mobile equipment according to the download speed limit value.
In one implementation, the sending the request for obtaining the device list includes:
sending a request for acquiring an equipment list to a preset list maintenance server;
and if the equipment list returned by the list maintenance server is not received, inquiring the mobile equipment in which the equipment list is stored, and acquiring the equipment list from the inquired mobile equipment.
In one implementation, the method further comprises:
and uploading the current network state, the type of the operating system and the identification of the stored file block to the list maintenance server.
In one implementation manner, before combining the data file according to the downloaded file blocks, the method further includes:
obtaining an information abstract value set of the data file, wherein the information abstract value set comprises information abstract values of all file blocks of the data file;
checking whether the information abstract value of the downloaded file block is the same as the information abstract value of the file block in the information abstract set;
and if the downloaded information abstract value of the file block is the same as the information abstract value of the file block in the information abstract set, triggering and executing the step of combining the data file according to the downloaded file block.
A second aspect of the present application provides a data downloading apparatus, which is applied to a mobile device, and includes:
the device list requesting unit is used for sending a request for acquiring a device list, wherein the request carries an identifier of a data file to be downloaded;
an equipment list obtaining unit, configured to obtain an equipment list corresponding to the identifier, where the equipment list records target mobile equipment in which a current network state meets a preset state condition, a loaded operating system is the same as an operating system loaded by the mobile equipment, and a file block of the data file is stored;
a file block downloading unit for downloading a file block of the data file at least from the target mobile device;
and the file block combination unit is used for combining the data file according to the downloaded file blocks.
In one implementation, in the aspect of downloading the file block of the data file from at least the target mobile device, the file block downloading unit is specifically configured to:
obtaining a download speed limit value corresponding to the current network state of the mobile device;
and downloading the file blocks of the data file at least from the target mobile equipment according to the download speed limit value.
In one implementation, in the aspect of sending the request for obtaining the device list, the device list requesting unit is specifically configured to:
sending a request for acquiring an equipment list to a preset list maintenance server;
and if the equipment list returned by the list maintenance server is not received, inquiring the mobile equipment in which the equipment list is stored, and acquiring the equipment list from the inquired mobile equipment.
In one implementation, the method further comprises:
and the parameter data uploading unit is used for uploading the current network state, the type of the operating system and the identification of the stored file block to the list maintenance server.
In one implementation, the method further comprises:
the file block checking unit is used for obtaining an information abstract value set of the data file, wherein the information abstract value set comprises information abstract values of all file blocks of the data file; checking whether the information abstract value of the downloaded file block is the same as the information abstract value of the file block in the information abstract set; and if the downloaded information abstract value of the file block is the same as the information abstract value of the file block in the information abstract set, triggering and executing the step of combining the data file according to the downloaded file block.
A third aspect of the present application provides a data download system, comprising:
the list maintenance server is used for receiving a request for acquiring an equipment list sent by first mobile equipment, wherein the request carries an identifier of a data file to be downloaded; returning an equipment list corresponding to the identifier to the first mobile equipment, wherein the equipment list records second mobile equipment of which the current network state meets a preset state condition, the type of a loaded operating system is the same as that of the operating system loaded by the mobile equipment, and a file block of the data file is stored;
the first mobile equipment is used for sending a request for acquiring an equipment list to the list maintenance server; after receiving the equipment list returned by the list maintenance server, sending an identifier of a file block to be downloaded to a second mobile equipment in the equipment list;
and the second mobile equipment is used for receiving the identification of the file block to be downloaded sent by the first mobile equipment and returning the file block corresponding to the identification to the first mobile equipment.
In one implementation:
the list maintenance server is further configured to receive a current network state, an operating system type, and an identifier of the stored file block, which are uploaded by the second mobile device; storing the identifiers of the second mobile equipment and the file blocks stored by the second mobile equipment, the current network state of which meets the preset state condition, in an equipment list with the same type as the operating system of the second mobile equipment;
the first mobile device is further configured to send the type of the operating system of the first mobile device to the list maintenance server;
the list maintenance server configured to return the device list corresponding to the identifier to the first mobile device is specifically configured to:
after receiving the type of the operating system of the first mobile device, determining a device list which is the same as the type of the operating system of the first mobile device; and returning the determined device list to the first mobile device.
In one implementation, the method further comprises:
the file server is used for storing data files; receiving an identifier of a file block to be downloaded sent by the first mobile equipment; returning the file block corresponding to the identifier of the file block to be downloaded in the data file to the first mobile equipment;
the first mobile device, configured to send the identifier of the file block to be downloaded to the second mobile device in the device list, is specifically configured to:
acquiring a download address of the file block; and if the download address corresponds to the mobile equipment and the server, respectively sending the identification of the file block to be downloaded to the file server and the second mobile equipment according to the download quantity proportion.
In one implementation, the data file stored by the file server is a complete data file;
the file server is further configured to store the positions of the file blocks into which the data file can be divided in the data file;
the file server, configured to return a file block, corresponding to the identifier of the file block to be downloaded, in the data file to the first mobile device, is specifically configured to:
and determining a target position of the file block corresponding to the identifier of the file block to be downloaded in the data file, and returning the file block at the target position to the first mobile device.
In one implementation, the data file stored by the file server is divided into file blocks;
the file server is configured to send a file block corresponding to the identifier of the file block to be downloaded in the data file back to the file server of the first mobile device, and specifically configured to:
and determining a file block corresponding to the identifier of the file block to be downloaded in each file block, and returning the determined file block to the first mobile device.
In one implementation, the method further comprises:
the configuration server is used for monitoring the load state of the file server; if the load state meets a preset load condition, determining that the download address of the file block corresponds to the mobile equipment; if the load state does not meet the preset load condition, determining that the download address of the file block corresponds to the mobile equipment and the server;
the first mobile device that obtains the download address of the file block is specifically configured to:
and acquiring the download address of the file block from the configuration server.
The application provides a data downloading method. In the method, a file server stores data files and blocking information thereof, and a plurality of mobile devices store file blocks downloaded from the file server. Before downloading the data file, a certain mobile device firstly determines a target mobile device with better network state from the mobile devices, then downloads file blocks from a file server and/or the target mobile device, and finally combines the downloaded file blocks into the data file. Therefore, the data file can be segmented into file blocks, the mobile device downloads the data file from a plurality of mobile devices in a distributed mode in the file blocks, and the mobile device with better network state is selected during downloading, so that the downloading speed can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a data downloading method according to an embodiment 1 of the present application;
fig. 2 is a flowchart of a data downloading method according to embodiment 2 of the present application;
fig. 3 is a flowchart of a data downloading method according to embodiment 3 of the present application;
fig. 4 is a flowchart of a data downloading method 4 provided in the present application;
FIG. 5 is a schematic diagram of obtaining a device list provided herein;
fig. 6 is a schematic structural diagram of a data downloading device according to an embodiment 1 of the present application;
fig. 7 is a schematic structural diagram of a data downloading device according to an embodiment 2 of the present application;
fig. 8 is a schematic diagram of a hardware structure of the mobile terminal provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
If a certain game needs to deliver a related data file, such as an installation package, a resource package, or a patch, the data file is uploaded to a CDN (Content Delivery Network) server. Some players download data files, which are stored on the players' devices. At this time, if a player needs to download data files, the data files can be downloaded from the player device that has downloaded the data files.
In practical applications, the game may be of the hand-game type. Due to the mobility of the mobile device, the mobile device can be in different network states, and the different network states can cause different data transceiving speeds of the mobile device. For example, the network environment of the mobile phone may be WI-FI, 4G, 3G, or the like, and generally, the data transmission and reception speeds of these three network states are sequentially reduced.
Therefore, when a player downloads a data file of a game from a mobile device of another player, the player needs to select another player device with a higher download speed in consideration of the download speed currently provided by the mobile device of another player, so as to realize quick download.
In addition, the data files to be downloaded are generally large and the storage capacity of the removable device is limited, so it is conceivable to divide the data files into blocks, the data files on each player's removable device existing in the form of file blocks. In this way, a player may download different file chunks from each of a plurality of other player devices, and finally combine them into a data file.
Referring to fig. 1, a flow of an embodiment 1 of the data downloading method provided by the present application is shown, and specifically includes steps S11 to S14.
S11: and the warehousing server determines the blocking information of the data file and stores the blocking information in the file server.
The data file may be stored on the CDN server, or may be stored on other types of servers, and these servers may be collectively referred to as a file server.
The warehousing server acquires the data file from the file server and determines the blocking information of the data file. The block information includes various items of information of file blocks into which the data file can be divided, such as the number of the file blocks into which the data file can be divided, the identification of the file blocks, the positions (the positions may be byte ranges) of the file blocks in the data file, and the like. The file blocks can be obtained by equally dividing the same quantity or by equally dividing the same quantity. Considering that the blocking method is simple and convenient, a scheme of equal-amount equal division can be selected.
For example, a data file has a size of 500 bytes, and if the size of each file block is 100 bytes, the data file may be divided into 5 file blocks. Of course, if the data file is not an integer division of the file block size, the last file block may not be equal in number to the other file blocks. For example, if the data file is 498 bytes in size and still is partitioned in the manner described above, the first 4 file blocks are 100 bytes and the last file block is 98 bytes.
The purpose of determining the blocking information is that when a certain mobile device downloads a data file, file blocks can be obtained from the data file according to the blocking information, so that blocking downloading is realized, and the downloading speed is increased.
S12: the mobile device to be downloaded the data file obtains the device list from the P2P server, where the device list includes the mobile device with better current network status, the loaded operating system and the operating system loaded by the mobile device are the same type, and the file block is stored.
Among other things, to distinguish from the mobile device that is to download the data file, the mobile devices in the device list may be referred to as other mobile devices or target mobile devices.
The target mobile device may upload various parameter data of itself to a P2P (Point to Point, user to user) server in real time or at certain time intervals, where the parameter data includes a current network state, a type of a loaded operating system, and an identifier of a stored file block. Thus, the P2P server may gather the current network status of each target mobile device and the type of operating system loaded, and may determine which file blocks the target mobile device stores. It is understood that the mobile device to be downloaded with the data file is any mobile device, and another mobile device may also obtain the file block of the data file from the mobile device, so that the mobile device to be downloaded with the data file may also upload the parameter data to the P2P server.
After collecting the current network status of each target mobile device, the P2P server may generate a device list according to preset status conditions.
Specifically, the current network state may be a network state value, and accordingly, the preset state condition may be a preset state threshold. And the current network state meets the preset state condition and indicates that the current network state value is higher than the preset state threshold value. When the device list is generated, if the current network state of a certain mobile device is higher than the network state threshold, the current network state of the mobile device is better, and then the identifier of the mobile device and the identifier of the file block stored by the mobile device are added in the device list.
It should be noted that the types of the operating systems loaded by different mobile devices are also different, the file blocks of the data file have different storage formats in different operating systems, and the file blocks of different storage formats cannot be combined into the same data file, so that the mobile devices to be downloaded with the data file can only download the file blocks from the mobile devices having the same operating system, and the types of the operating systems of the mobile devices are the same as the type of the operating system of the mobile device to be downloaded with the data file.
Therefore, when the P2P server generates the device list, it needs to consider the type of the operating system of the mobile device uploading the parameter data, the generated device list has the type of the operating system, and the type of the operating system of the device list is the type of the operating system of the mobile device recorded in the device list. Thus, if the operating systems of the mobile devices uploading the parameter data include multiple types, the P2P server generates a corresponding number of device lists, and the operating systems of the mobile devices in different device lists are different in type.
For example, the operating systems of the mobile device that uploads the parameter data include 5 types, i.e., an Android system, an iOS system, a Symbian system, a Windows Phone system, and a BlackBerry OS system, the P2P server may generate 5 types of device lists, and the operating system types of the device lists are 5 types in turn.
Further, the mobile device to be downloaded may send its own operating system type to the P2P server, and the P2P server returns a list of devices that are the same as the operating system type to the mobile device to be downloaded.
Further, the target mobile devices in the device list may be sorted in a certain order, for example, in the order of the current network status from superior to inferior, so that the mobile device may select the target mobile device sorted before to download preferentially.
For example, the data file is divided into 150 file blocks, the device list includes 10 target mobile devices, the current network states of the 10 target mobile devices are sorted from good to bad, the file blocks on the target mobile device 1 are 001 to 020, the file blocks on the target mobile device 2 are 001 to 050, and the file blocks on the target mobile device 3 are 001 to 150. If a mobile device wants to download the 001-020 file blocks, the target mobile device 1 is preferentially downloaded because the current network status of the target mobile device 1 is optimal.
It should be noted that the data file to be downloaded has its own file identifier, different data files may correspond to different device lists, when the mobile device wants to download a certain data file, the mobile device sends the identifier of the data file to the P2P server, and the P2P server returns the device list corresponding to the identifier to the mobile device, where of course, the returned device list needs to satisfy the above conditions.
The device list in this step is not limited to be stored on the P2P server, but may be stored on other types of servers, which may be referred to as a list maintenance server.
S13: the mobile device that is to download the data file downloads all of the file chunks of the data file from the file server and/or the mobile devices in the device list.
It should be noted that the file server stores the data file, and the mobile device in the device list also stores all or part of the file blocks of the data file (if the mobile device has finished downloading, it stores all the file blocks, and if the mobile device is in downloading, it stores part of the file blocks). Thus, the mobile device may download all of the file chunks from the file server, may download all of the file chunks from the mobile devices in the device list, or may download some of the file chunks from the file server and some of the file chunks from the mobile devices in the device list.
It will be appreciated that the mobile device, regardless of the location from which it is downloaded, needs to download all of the file blocks of the data file. In order to ensure that all and non-repeated file blocks are downloaded, the mobile device obtains blocking information of the data file from the file server before downloading, further determines the number of the file blocks of the data file and the identification of each file block according to the blocking information, and sends the identification of the file block to be downloaded to the file server and/or the mobile device in the device list, wherein the identifications are not repeated and are the identifications of all the file blocks of the data file.
For example, a data file is divided into 200 file blocks, the identifiers are 001-200 respectively, the file blocks in a download request sent by a mobile device to a file server are 001-100, the file blocks in the download request sent to the mobile device 1 in a device list are 101-150, the file blocks in the download request sent to the mobile device 2 in the device list are 151-180, and the file blocks in the download request sent to the mobile device 3 in the device list are 181-200. Of course, the file block identifier may be in other forms, such as a range of file block bytes, and the like, and the application is not limited in particular.
When the mobile device downloads the file block from the file server, although the whole data file is stored in the file server, the block information is stored in the file server, and the block information comprises the identifier of the file block and the position of the file block in the data file. For example, the file block identifier sent by the mobile device to the file server is 001, and the file block position corresponding to the file block identifier recorded by the file server is [ 001-200 ], and then the file block in the byte range [ 001-200 ] in the data file is returned to the mobile device.
Different from the file server, the target mobile device directly stores the file blocks of the data file, when the mobile device to download the data file downloads the file blocks from the target mobile device, the mobile device to send the identifiers of the file blocks to the target mobile device, and the target mobile device directly returns the file blocks corresponding to the identifiers of the file blocks to the mobile device to download the data file.
S14: and combining the downloaded file blocks into the data file by the mobile equipment to download the data file.
When the warehousing server determines the blocking information of the data file, the identification can be set for each file block according to the sequence of the segmentation. Therefore, after the mobile device downloads the file blocks, the file blocks can be combined into a complete data file according to the sequence of the file block identifiers.
The step can be summarized as combining the data file according to the downloaded file block, and specifically includes the following conditions: if the mobile equipment only downloads the file blocks from the target mobile equipment in the equipment list, generating the data file only according to the file blocks downloaded from the target mobile equipment; if the mobile device downloads file blocks not only from the target mobile device in the device list but also from the file server, it needs to generate a data file from the file blocks downloaded from two places.
According to the technical scheme, the data downloading method is provided. In the method, a file server stores data files and blocking information thereof, and a plurality of mobile devices store file blocks downloaded from the file server. Before downloading the data file, a certain mobile device firstly determines a target mobile device with better network state from the mobile devices, then downloads file blocks from a file server and/or the target mobile device, and finally combines the downloaded file blocks into the data file. Therefore, the data file can be segmented into file blocks, the mobile device downloads the data file from a plurality of mobile devices in a distributed mode in the file blocks, and the mobile device with better network state is selected during downloading, so that the downloading speed can be improved.
In the above technical solution, the data file of the game is taken as an example for description, but the data file is not limited to the game type, and may be any other data content type that can be downloaded by the mobile device.
In practice, due to factors such as unstable network conditions, the downloaded file blocks may be damaged. In order to guarantee the integrity of the downloaded file blocks, a verification step for the file blocks may be provided.
Specifically, the flow of embodiment 2 of the data downloading method shown in fig. 2 is described. In this flow, after the step S21 of the repository Server saving the blocking information of the data file in the file Server, the step S22 of the repository Server calculating an information Digest value of each file block, such as an MD5(Message-Digest Algorithm 5) value, and saving the information Digest values of all file blocks of the data file in a P2S (Point to Server) Server.
Each data file has its own information summary set, and the information summary set can be stored in various ways, such as in a data table. It should be noted that the digest information set is not limited to being stored in the P2S server, and may be stored in another server. In addition, the blocking information in step S11 of fig. 1 may be stored in the P2S server.
It is understood that the digest value may reflect the content of the file block, and if the content of the file block is different, the digest value is also different.
Therefore, the mobile device to download the data file also needs to perform steps S23 and S26 before performing step S27 to combine the file blocks into the data file. Step S23 is that the mobile device obtains the set of digest information values of the data file from the P2S server, step S26 is that the mobile device calculates the digest information values of the downloaded file blocks, compares the calculated digest information values with the digest information values of the file blocks in the set of digest information values, if they are the same, then step S27 is executed to combine the downloaded file blocks into the data file, and if they are different, then the file blocks are downloaded again.
For other steps in this embodiment, reference may be made to the flow description in embodiment 1, which is not described herein again. In this embodiment, the integrity and accuracy of the downloaded file block can be ensured by comparing the information digest values in step S26.
In an implementation, the mobile device may switch between a plurality of different network states, such as WI-FI, 4G, 3G, etc., that provide different data download speeds. If the download speed provided by the network state is low and the speed for downloading the data file is high, the download of other data is affected. If the downloading speed provided by the network state is higher, the speed for downloading the data file is lower, and the downloading of the data file is limited.
To avoid the above problem, the present application provides the flow of embodiment 3 of the data downloading method, see fig. 3. In this embodiment, the configuration server sets an appropriate download speed limit for different network states, and the mobile device downloads the data file according to the download speed limit. It should be noted that, other steps in this embodiment may refer to the relevant description in fig. 1, and are not repeated herein, and only the differences from fig. 1 are described below.
In this embodiment, step S32 is included for the mobile device to obtain a download speed limit corresponding to its current network status from the configuration server.
For example, if the network status is WI-FI, the download speed limit is 200 kbps; if the network status is 4G, the download speed limit is 50 kbps; if the network status is 3G, the download speed limit is 20 kbps. Of course, the above numerical values are merely exemplary, and may be set to other values according to actual requirements.
It should be noted that the network status may include not only the WI-FI, 4G, 3G, and other network types, but also idle bandwidth, device load condition, network performance, and the like. Such factors need to be considered when setting the download speed limit. For example, if the network type is 4G, the idle bandwidth is large, the device load is small, and the network performance is good, the download speed limit may be set to 60kbps or higher.
Before downloading the file block, the mobile device may send its current network state to the configuration server, and the configuration server searches for a download speed limit corresponding to the current network state, for example, the found download speed limit is 60 kbps.
In another example, the download speed limit may not be obtained from the configuration server, or may be pre-set locally at the target mobile device. Thus, this step, i.e., the mobile device, obtains the configuration policy from local, the configuration policy including a download speed limit corresponding to the current network state of the mobile device.
Thus, the mobile device downloads the file chunk from the file server and/or the target mobile device in accordance with the download speed limit in step S34.
The download speed limit is the maximum limit speed, i.e. the download speed may be equal to or lower than the download speed limit, but not higher than the download speed limit. After the mobile equipment obtains the download speed limit value, the file block is downloaded under the limit of the download speed limit value, so that the download of other data is not influenced, and the high efficiency of downloading the file block is ensured.
In the above embodiments, the file server stores the blocking information of the data file, but the file server may also block the data file in advance, that is, the steps S11, S21 and S31 may be replaced by the warehousing server dividing the data file into blocks and storing the file blocks in the file server.
Therefore, when the mobile device downloads the data file, the file server can directly determine the file block corresponding to the file block identifier after receiving the file block identifier sent by the mobile device, and return the file block to the mobile device, so that the downloading efficiency of the data file can be further improved.
As per step S13 (the mobile device to download the data file downloads all of the file blocks of the data file from the file server and/or the mobile device in the device list), the mobile device to download the data file may download the file blocks from only the server, or may download the file blocks from only the mobile device, or may download the file blocks from both locations. The specific download path used can be determined in the following manner.
Referring to fig. 4, the present application provides a flow of an embodiment 4 of a data downloading method. It should be noted that some steps in this embodiment are the same as some steps in the above embodiments, and are not repeated herein, and only different steps from other embodiments are described below.
Step S42, the configuration server monitors the load state of the file server; if the load state meets the preset load condition, determining that the download address of the file block corresponds to the mobile equipment; and if the load state does not meet the preset load condition, determining that the download address of the file block corresponds to the mobile equipment and the server.
Specifically, the configuration server may preset a load condition, where the load condition may be a threshold, for example, a download progress threshold, a memory remaining threshold, or a CPU (Central Processing Unit) usage threshold. The configuration server monitors the load state of the file server according to the specific form of the load condition, such as the number of downloading processes, the residual memory value or the CPU usage amount of the file server, and compares the monitored load state with a preset load condition.
If the load status is equal to or higher than the preset threshold, it indicates that the load status of the file server satisfies the preset load condition, in other words, the file server is in a high load status, and then it is determined that the download address of the file block is only the mobile device (i.e., the download address of the file block corresponds to the mobile device). If the load state does not exceed the preset threshold, it is stated that the load state of the file server does not satisfy the preset load condition, in other words, the file server is not in a high load state, so that the download address of the file block is determined to include not only the mobile device but also the server (i.e., the download address of the file block corresponds to the mobile device and the server).
It should be noted that the download address does not actually have an access address, and is only used to indicate whether the download is from the mobile device only, or whether the download is from the mobile device or from the server. After the mobile device to download the data file acquires the download address, the mobile device to download the data file from which mobile device can be determined according to the device list, and the server to download the data file from which server can be determined.
Suitably, the mobile device to be downloaded the data file in step S43 obtains the download speed limit and the download address of the file block from the configuration server. The mobile device to download the data file downloads the file block from the file server and/or the target mobile device according to the download address and the download speed limit in step S45.
Specifically, if the download address corresponds to the mobile device, the mobile device to be downloaded the data file downloads all file blocks of the data file from the target mobile device; and if the download address corresponds to the mobile equipment and the server, the mobile equipment to download the data file downloads all file blocks of the data file from the preset file server and the target mobile equipment.
The mobile device to be downloaded with the data file may further set a quantity ratio of the file blocks downloaded from the server and the mobile device, for example, 80% to 20%, and of course, the quantity ratio may be set to other values according to actual situations, which is not specifically limited in the present application. This quantity ratio may be referred to as a download quantity ratio, and when downloading file blocks of a data file from two locations, the downloading may be performed in accordance with the download quantity ratio.
Since the server can provide a significantly higher download speed than the mobile device, the number of file chunks downloaded from the server can be higher than the number of file chunks downloaded from the mobile device in the download number ratio set for faster download.
Since the download speed of the server is higher than that of the mobile device, the download from the file server is prioritized, and the download from the mobile device is considered only when the file server is in an overloaded state. The method can ensure the downloading speed of the mobile equipment and also consider the running state of the file server.
The mobile device needs to use the device list when downloading the data file. As shown in fig. 5, the device list may be obtained from a list maintenance server such as a P2P server and from a mobile device.
In the first approach, the P2P server maintains a device list, and the mobile device obtains the device list directly from the P2P server.
As mentioned above, the mobile device may upload its parameter data to the P2P server at preset time intervals. If the preset time interval is shorter, real-time uploading can be realized. The parameter data includes network status, which may include any one or more of network type, idle bandwidth, device load conditions, network performance, etc. Thus, the P2P server may select a mobile device therefrom that has one or more of the following advantages: the data receiving and sending speed is high, the idle bandwidth is large, the equipment load is light, the network performance is good, and the selected mobile equipment is stored in the equipment list.
In the second way, the P2P server may record which target mobile devices downloaded the data files, and the target mobile devices store the device list, so that the mobile devices to be downloaded the data files query the P2P server for the mobile devices, and obtain the device list from the mobile devices.
The target mobile device may be a mobile device to download the data file in the above embodiment, and download the file block from another mobile device. Thus, the target mobile device may record the network status of the additional mobile devices during the downloading process and select a portion of the mobile devices from the list to be stored in the device list in the first manner described above.
It should be noted that, the mobile device to be downloaded with the data file may also generate the device list in the above manner, and when another mobile device downloads the data file, the mobile device to be downloaded with the data file may serve as a target mobile device of the mobile device, and provide the device list for the mobile device.
Therefore, the mobile device to be downloaded with the data file may first send a request for obtaining the device list to the list maintenance server, and if the device list returned by the list maintenance server is not received, query the mobile device storing the device list, and obtain the device list from the queried mobile device. Therefore, the problem of downloading failure caused by the fault of the list maintenance server can be avoided.
In addition, in the second mode, since the target mobile device records the network state in the actual downloading process, the device list can more accurately reflect the actual data exchange capability of the mobile device, so that the selected downloading device is more accurate.
In the application, the target mobile devices are mobile devices already downloaded with file blocks of the data files, and when the mobile devices to download the data files are downloaded, the target mobile devices can provide downloading bases for the mobile devices to download the data files. After the mobile device to download the data file downloads, a downloading basis can be provided for other mobile devices. In this way, more and more mobile devices may be used as a basis for downloading.
However, at the initial stage of downloading, no file block is stored in the mobile device, so that the mobile device to download the data file cannot download from the target mobile device. In order to avoid the above problem, before the download is opened, a preset number of mobile devices may be determined according to the historical download records, and the file blocks of the data file are pushed to the determined mobile devices, which are target mobile devices at the initial stage of the download.
In addition, after the mobile device of the data file to be downloaded finishes downloading, the downloading related information such as the downloading time length, the downloading average speed and the like can be uploaded to the statistical analysis server and displayed by the statistical analysis server for monitoring and analysis by background monitoring personnel.
The above-described storage server, file server, configuration server, P2P server, P2S server, and the like may be different devices, or any plurality of them may be integrated into the same device.
Referring to fig. 6, a schematic diagram of a data downloading apparatus is shown, where the apparatus may be disposed on a mobile device, and specifically includes: a device list requesting unit 61, a device list obtaining unit 62, a file block downloading unit 63, and a file block combining unit 64.
A device list requesting unit 61, configured to send a request for obtaining a device list, where the request carries an identifier of a data file to be downloaded;
an apparatus list obtaining unit 62, configured to obtain an apparatus list corresponding to the identifier, where the apparatus list records target mobile apparatuses in which a current network state meets a preset state condition, a loaded operating system is the same as an operating system loaded by the mobile apparatus, and a file block of the data file is stored;
a file block downloading unit 63, configured to download at least a file block of the data file from the target mobile device;
and a file block combining unit 64, configured to combine the data file according to the downloaded file blocks.
In an example, when the step of downloading the file block of the data file from at least the target mobile device is performed, the file block downloading unit 63 is specifically configured to:
obtaining a download speed limit value corresponding to the current network state of the mobile device; and downloading the file blocks of the data file at least from the target mobile equipment according to the download speed limit value.
In an example, when the step of downloading the file block of the data file from at least the target mobile device is performed, the file block downloading unit 63 is specifically configured to:
acquiring a download address of the file block; if the download address corresponds to the mobile equipment, downloading all file blocks of the data file from the target mobile equipment; and if the download address corresponds to the mobile equipment and the server, downloading all file blocks of the data file from a preset file server and the target mobile equipment according to a download quantity proportion.
In one example, the device list records an identifier of a file block after the data file is split; when the step of downloading the file block of the data file at least from the target mobile device is executed, the file block downloading unit 63 is specifically configured to:
sending an identifier of a file block of the data file to the target mobile device; and receiving the file block which is returned by the target mobile equipment and corresponds to the identification of the file block.
In an example, when the step of sending the request for obtaining the device list is executed, the device list requesting unit 61 is specifically configured to:
sending a request for acquiring an equipment list to a preset list maintenance server; and if the equipment list returned by the list maintenance server is not received, inquiring the mobile equipment in which the equipment list is stored, and acquiring the equipment list from the inquired mobile equipment.
Referring to fig. 7, which shows another schematic structure of the data downloading device, on the basis of fig. 5, the device may further include: a parameter data uploading unit 65 and a file block checking unit 66.
A parameter data uploading unit 65, configured to upload, to the list maintenance server, the current network status, the operating system type, and the identifier of the stored file block.
A file block checking unit 66, configured to obtain an information digest value set of the data file, where the information digest value set includes information digest values of each file block of the data file; checking whether the information abstract value of the downloaded file block is the same as the information abstract value of the file block in the information abstract set; and if the downloaded information abstract value of the file block is the same as the information abstract value of the file block in the information abstract set, triggering and executing the step of combining the data file according to the downloaded file block.
The application also provides a data downloading system, which can comprise the list maintenance server, the mobile device to be downloaded with the data file and the target mobile device. In the system, for convenience of description, a mobile device to which a data file is to be downloaded may be referred to as a first mobile device, and a target mobile device may be referred to as a second mobile device. In addition, the system can also comprise a file server and a configuration server. Each server and the mobile device in the data downloading system may be configured to implement the functions in the foregoing data downloading method embodiments, and are not described herein again.
The application also provides a mobile terminal which can comprise the data downloading device.
Fig. 8 is a schematic diagram of a hardware structure of the mobile terminal. As shown in fig. 8, the mobile terminal may include: the system comprises a processor 1, a communication interface 2, a memory 3, a communication bus 4 and a display screen 5;
the processor 1, the communication interface 2, the memory 3 and the display screen 5 are communicated with each other through a communication bus 4;
optionally, the communication interface 2 may be an interface of a communication module, such as an interface of a GSM module;
a processor 1 for executing a program;
a memory 3 for storing a program;
the program may include program code including operating instructions of the processor.
The processor 1 may be a central processing unit CPU or an application Specific Integrated circuit asic or one or more Integrated circuits configured to implement embodiments of the present application.
The memory 3 may comprise a high-speed RAM memory and may also comprise a non-volatile memory, such as at least one disk memory.
Among them, the procedure can be specifically used for:
sending a request for acquiring an equipment list, wherein the request carries an identifier of a data file to be downloaded;
acquiring an equipment list corresponding to the identifier, wherein the equipment list records target mobile equipment of which the current network state meets a preset state condition, and the type of a loaded operating system is the same as that of an operating system loaded by the mobile equipment and in which file blocks of the data files are stored;
downloading at least file blocks of the data file from the target mobile device;
according to the downloaded file blocks, the data files are combined
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the same element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (16)
1. A data downloading method is applied to a mobile device, and comprises the following steps:
sending a request for acquiring an equipment list to a list maintenance server, wherein the request carries an identifier of a data file to be downloaded, and different data files correspond to different equipment lists;
acquiring an equipment list corresponding to the identifier from the list maintenance server, or inquiring mobile equipment stored with the equipment list from the list maintenance server, and acquiring the equipment list corresponding to the identifier from the inquired mobile equipment, wherein the equipment list records target mobile equipment of which the current network state meets a preset state condition, a loaded operating system is the same as the type of the operating system loaded by the mobile equipment, and a file block of the data file is stored; the current network state comprises any one or more of a network type, an idle bandwidth, a device load condition and network performance, and the target mobile devices in the device list are sorted according to the current network state;
acquiring block information of a data file from a file server, determining the number of file blocks of the data file and the identification of each file block according to the block information, and downloading the file blocks of the data file from at least the target mobile equipment according to the identification of the file blocks, wherein the identification is not repeated and is the identification of all the file blocks of the data file;
and combining the data file according to the downloaded file blocks.
2. The data download method of claim 1, wherein the downloading at least the file block of the data file from the target mobile device comprises:
acquiring a download address of the file block;
if the download address corresponds to the mobile equipment, downloading all file blocks of the data file from the target mobile equipment;
and if the download address corresponds to the mobile equipment and the server, downloading all file blocks of the data file from a preset file server and the target mobile equipment according to a download quantity proportion.
3. The data downloading method of claim 1, wherein the device list records an identifier of the file block after the data file is split;
said downloading at least a file chunk of said data file from said target mobile device comprises:
sending an identifier of a file block of the data file to the target mobile device;
and receiving the file block which is returned by the target mobile equipment and corresponds to the identification of the file block.
4. The data download method of claim 1, wherein the downloading at least the file block of the data file from the target mobile device comprises:
obtaining a download speed limit value corresponding to the current network state of the mobile device;
and downloading the file blocks of the data file at least from the target mobile equipment according to the download speed limit value.
5. The data downloading method of claim 1, further comprising:
and uploading the current network state, the type of the operating system and the identification of the stored file block to the list maintenance server.
6. The data downloading method according to any one of claims 1 to 5, further comprising, before combining the data file according to the downloaded file blocks:
obtaining an information abstract value set of the data file, wherein the information abstract value set comprises information abstract values of all file blocks of the data file;
checking whether the information abstract value of the downloaded file block is the same as the information abstract value of the file block in the information abstract set;
and if the downloaded information abstract value of the file block is the same as the information abstract value of the file block in the information abstract set, triggering and executing the step of combining the data file according to the downloaded file block.
7. A data downloading apparatus, applied to a mobile device, the apparatus comprising:
the device list request unit is used for sending a request for acquiring a device list to the list maintenance server, wherein the request carries an identifier of a data file to be downloaded, and different data files correspond to different device lists;
an equipment list obtaining unit, configured to obtain an equipment list corresponding to the identifier from the list maintenance server, or query a mobile device in which the equipment list is stored from the list maintenance server, and obtain an equipment list corresponding to the identifier from the queried mobile device, where the equipment list records a target mobile device in which a current network state meets a preset state condition, a loaded operating system is the same as an operating system type loaded by the mobile device, and a file block of the data file is stored; the current network state comprises any one or more of a network type, an idle bandwidth, a device load condition and network performance, and the target mobile devices in the device list are sorted according to the current network state;
the file block downloading unit is used for obtaining the blocking information of the data file from the file server, determining the number of file blocks of the data file and the identification of each file block according to the blocking information, and downloading the file blocks of the data file at least from the target mobile equipment according to the identification of the file blocks, wherein the identification is not repeated and is the identification of all the file blocks of the data file;
and the file block combination unit is used for combining the data file according to the downloaded file blocks.
8. The data downloading apparatus according to claim 7, wherein in the aspect of downloading the file chunk of the data file at least from the target mobile device, the file chunk downloading unit is specifically configured to:
obtaining a download speed limit value corresponding to the current network state of the mobile device;
and downloading the file blocks of the data file at least from the target mobile equipment according to the download speed limit value.
9. The data downloading apparatus of claim 7, further comprising:
and the parameter data uploading unit is used for uploading the current network state, the type of the operating system and the identification of the stored file block to the list maintenance server.
10. The data downloading device according to any one of claims 7 to 9, further comprising:
the file block checking unit is used for obtaining an information abstract value set of the data file, wherein the information abstract value set comprises information abstract values of all file blocks of the data file; checking whether the information abstract value of the downloaded file block is the same as the information abstract value of the file block in the information abstract set; and if the downloaded information abstract value of the file block is the same as the information abstract value of the file block in the information abstract set, triggering and executing the step of combining the data file according to the downloaded file block.
11. A data download system, comprising:
the list maintenance server is used for receiving a request for acquiring an equipment list sent by a first mobile device, wherein the request carries an identifier of a data file to be downloaded, and different data files correspond to different equipment lists; returning an equipment list corresponding to the identifier to the first mobile equipment, or returning a query result of the mobile equipment stored with the equipment list to the first mobile equipment, wherein the equipment list records second mobile equipment of which the current network state meets a preset state condition, the type of a loaded operating system is the same as that of the operating system loaded by the mobile equipment, and the file blocks of the data files are stored; the current network state comprises any one or more of a network type, an idle bandwidth, a device load condition and a network performance, and the second mobile devices in the device list are sorted according to the current network state;
the first mobile equipment is used for sending a request for acquiring an equipment list to the list maintenance server; after receiving an equipment list returned by the list maintenance server or acquiring an equipment list corresponding to the identifier from the inquired mobile equipment, acquiring block information of the data file from a file server, determining the number of file blocks of the data file and the identifier of each file block according to the block information, and sending the identifier of the file block to be downloaded to second mobile equipment in the equipment list according to the identifier of the file block, wherein the identifier is not repeated and is the identifier of all the file blocks of the data file;
and the second mobile equipment is used for receiving the identification of the file block to be downloaded sent by the first mobile equipment and returning the file block corresponding to the identification to the first mobile equipment.
12. The data download system of claim 11,
the list maintenance server is further configured to receive a current network state, an operating system type, and an identifier of the stored file block, which are uploaded by the second mobile device; storing the identifiers of the second mobile equipment and the file blocks stored by the second mobile equipment, the current network state of which meets the preset state condition, in an equipment list with the same type as the operating system of the second mobile equipment;
the first mobile device is further configured to send the type of the operating system of the first mobile device to the list maintenance server;
the list maintenance server configured to return the device list corresponding to the identifier to the first mobile device is specifically configured to:
after receiving the type of the operating system of the first mobile device, determining a device list which is the same as the type of the operating system of the first mobile device; and returning the determined device list to the first mobile device.
13. The data download system of claim 11, further comprising:
the file server is used for storing data files; receiving an identifier of a file block to be downloaded sent by the first mobile equipment; returning the file block corresponding to the identifier of the file block to be downloaded in the data file to the first mobile equipment;
the first mobile device, configured to send the identifier of the file block to be downloaded to the second mobile device in the device list, is specifically configured to:
acquiring a download address of the file block; and if the download address corresponds to the mobile equipment and the server, respectively sending the identification of the file block to be downloaded to the file server and the second mobile equipment according to the download quantity proportion.
14. The data download system of claim 13, wherein the data file stored by the file server is a complete data file;
the file server is further configured to store the positions of the file blocks into which the data file can be divided in the data file;
the file server, configured to return a file block, corresponding to the identifier of the file block to be downloaded, in the data file to the first mobile device, is specifically configured to:
and determining a target position of the file block corresponding to the identifier of the file block to be downloaded in the data file, and returning the file block at the target position to the first mobile device.
15. The data download system of claim 13, wherein the data file stored by the file server is divided into file blocks;
the file server is configured to send a file block corresponding to the identifier of the file block to be downloaded in the data file back to the file server of the first mobile device, and specifically configured to:
and determining a file block corresponding to the identifier of the file block to be downloaded in each file block, and returning the determined file block to the first mobile device.
16. The data download system of claim 13, further comprising:
the configuration server is used for monitoring the load state of the file server; if the load state meets a preset load condition, determining that the download address of the file block corresponds to the mobile equipment; if the load state does not meet the preset load condition, determining that the download address of the file block corresponds to the mobile equipment and the server;
the first mobile device that obtains the download address of the file block is specifically configured to:
and acquiring the download address of the file block from the configuration server.
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| CN109634925B (en) * | 2019-02-20 | 2024-06-14 | 平安科技（深圳）有限公司 | Resource file downloading method, device, computer equipment and storage medium |
| CN110012108A (en) * | 2019-04-15 | 2019-07-12 | 深圳市网心科技有限公司 | Data copy storage method, method for down loading, cloud storage system and relevant apparatus |
| CN112398885B (en) * | 2019-08-14 | 2023-03-24 | 腾讯科技（深圳）有限公司 | Data transmission method and device |
| CN110769030A (en) * | 2019-09-12 | 2020-02-07 | 上海艾拉比智能科技有限公司 | Method, terminal, server and storage medium for downloading file |
| CN112769887B (en) * | 2019-11-06 | 2023-05-09 | 佛山市云米电器科技有限公司 | File downloading method, system, equipment and computer readable storage medium |
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