CN105120530A - Method and device for acquiring data and data acquisition system - Google Patents
Method and device for acquiring data and data acquisition system Download PDFInfo
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- CN105120530A CN105120530A CN201510579865.2A CN201510579865A CN105120530A CN 105120530 A CN105120530 A CN 105120530A CN 201510579865 A CN201510579865 A CN 201510579865A CN 105120530 A CN105120530 A CN 105120530A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
Abstract
The embodiment of the invention discloses a method and a device for acquiring data and a data acquisition system. The method comprises the following steps: when the instruction of acquiring the data is obtained, a data acquisition request is sent to a cloud server; establishing communication connection with each client in a built-in data point list; receiving a data set slice from the cloud server, or receiving a data set slice from a client side which constructs communication connection, wherein the data set slice is obtained by slicing a data set corresponding to a stored data acquisition request by the cloud server according to the received data acquisition request; and determining that all the data set slices are received, and merging the received data set slices to obtain a data set. By applying the invention, the success rate of data acquisition can be improved.
Description
Technical field
The present invention relates to data transfer of computer technology, particularly relate to a kind of method, device and the data-acquisition system that obtain data.
Background technology
At present, current common Mobile operating system as Android (Android) operating system with it simple to operate and conveniently characteristic, more and more by user is accepted, be widely used in user work and life in, along with the application program of installing in the Android operation system of client gets more and more, the data volume produced is also increasing, in order to avoid client failure or the abnormal mass data caused irrecoverable or can not normally use, ensure the fail safe of user data, or, when a user has multiple client, such as, a user may have one or more mobile phone, personal digital assistant, computer and panel computer, in order to make user can at the data sharing of multiple client, simultaneously also in order to prevent the loss of user data in a certain client, such as, user's private data is as contact data, note data and message registration data etc., need to carry out remote backup to the data stored in client, such as, upload the data to cloud server, with after the fault changing client or repair client or exception, user can recover data easily from cloud server.Wherein,
Obtain or recover the network environment that data need to rely on client and cloud server from high in the clouds, such as, mobile client and cloud server need in stable network environment, such as, global system for mobile communications (GSM, GlobalSystemforMobileCommunication) network or Wireless Fidelity (WiFi, WirelessFidelity) transfer of data is carried out in network, but due in practical application, the network environment of mobile client is among constantly change, such as, in the lasting moving process of mobile client, network environment residing for mobile client may enter 3G network environment from 2G network environment, enter 4G network environment again, or, WiFi network environment is entered from 2G network environment, enter 3G network environment again.Like this, 3G network environment is being entered from the switching of 2G network environment, or, 4G network environment is entered from 3G network environment changing, or, switch from 2G network environment and enter WiFi network environment, due to the lasting change of network environment, the communication performance of network, also in the change continued, may cause data to the network transmission process of client, going out active from cloud server, thus reduce the success rate of data acquisition.Further, existing Mobile data acquisition methods, all based on computer network with standard network protocol, data acquisition request is sent by the cloud server to Backup Data, cloud server according to the data acquisition request received to client transmissions data to be obtained, if the transmission channel between cloud server and client breaks down or exception, data will be caused not obtain in time, do not have for user when the network environment of complexity continues change, how to ensure the success rate of data acquisition, propose the data capture method optimized.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method, device and the data-acquisition system that obtain data, can solve the problem of the success rate how improving data acquisition.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, the embodiment of the present invention provides a kind of method obtaining data, comprising:
When obtaining the instruction obtaining data, send data acquisition request to cloud server;
Build the communication connection with each client in built-in data point list;
Data set section is received from described cloud server, or, data set section is received from the client building communication connection, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Determine to receive the section of all data sets, merging is carried out to the described data set section received and obtains data set.
Preferably, before the communication connection of each client in described structure and built-in data point list, described method also comprises:
Receive the enabled node list returned according to described data acquisition request from cloud server, upgrade described data point list, in described data point list, include the enabled node pre-set.
Preferably, after the communication connection of each client in described structure and built-in data point list, described method also comprises:
According to the polling cycle pre-set, carry out poll with each client in described data point list.
Preferably, described client, by wireless fidelity network mode, 2G network mode, 3G network mode or 4G network mode, receives data set section from the client building communication connection.
Preferably, describedly determine to receive the section of all data sets, merging carried out to the described data set section received and obtains data set and comprise:
Receive the data set slice information in order to the section of identification data collection and store, described data set slice information at least comprises section mark;
Receive data set section and carry out buffer memory, according to the section mark comprised in described data set slice information, determine the data set section also do not received;
Determine to receive all data set sections corresponding to data set, the data set section of buffer memory is merged.
Preferably, described method also comprises:
The data set section of buffer memory cloud server broadcast, receives the data acquisition request that other clients send, by data set slice transmission corresponding for the data acquisition request of buffer memory to the client sending described data acquisition request.
The method of the acquisition data that the embodiment of the present invention provides, by sending data acquisition request to cloud server, data set corresponding for data acquisition request is carried out slicing treatment by cloud server, broadcast carrying out the data set section that slicing treatment obtains, client is by establishing a communications link with each client in data point list, thus make this client can obtain the data set section of cloud server broadcast from each client established a communications link, obtain data set by merging.Like this, communication link between client and cloud server break down or abnormal time, this client can receive the data set section of cloud server broadcast by other clients established a communications link, thus transfers to client, effectively can improve the success rate of data acquisition.
Second aspect, the embodiment of the present invention provides a kind of device obtaining data, and described device comprises: data link and section controller, wherein,
Data link, for when obtaining the instruction obtaining data, data acquisition request is sent to cloud server, build the communication connection with each client in built-in data point list, data set section is received from described cloud server, or, data set section is received from the client building communication connection, export section controller to, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Section controller, determines to receive the section of all data sets, carries out merging obtain data set to the described data set section received.
Preferably, described data link also for receiving the enabled node list returned according to described data acquisition request from cloud server, upgrades described data point list.
Preferably, described data link also for according to the polling cycle pre-set, carries out poll with each client in described data point list.
Preferably, described data link also for by wireless fidelity network mode, 2G network mode, 3G network mode or 4G network mode, receives data set section from the client building communication connection.
Preferably, described section controller comprises: slice information memory cell, buffer unit and merge cells, wherein,
Slice information memory cell, for receive in order to identification data collection section data set slice information and store, described data set slice information at least comprise section mark;
Buffer unit, carries out buffer memory for receiving data set section, according to the section mark comprised in the data set section received, determines the data set section also do not received;
Merge cells, receiving all data set sections corresponding to data set for determining, merging the data set section of buffer memory.
Preferably, described data link is also for the data set section of buffer memory cloud server broadcast, receive the data acquisition request that other clients send, by data set slice transmission corresponding for the data acquisition request of buffer memory to the client sending described data acquisition request.
The third aspect, the embodiment of the present invention provides a kind of data-acquisition system, comprising: the first client, cloud server and the second client, wherein,
First client, during for obtaining the instruction obtaining data, sends data acquisition request to cloud server; Build the communication connection with the second client in built-in data point list; Data set section is received from described cloud server, or, receive data set section from the client building communication connection; Determine to receive the section of all data sets, merging is carried out to the data set section received and obtains data set;
Cloud server, for receiving data acquisition request, after data set corresponding for the described data acquisition request of backup is carried out slicing treatment, obtain the enabled node list of the first client corresponding to described data acquisition request, to the data set of the second client broadcast slicing treatment in described enabled node list;
Second client, for building the communication connection with described first client, receives the data set section of cloud server broadcast, and data set slice transmission extremely described first client that will receive.
Preferably, described first client comprises: data link and section controller, wherein,
Data link, during for obtaining the instruction obtaining data, sends data acquisition request to cloud server; Build the communication connection with the second client in built-in data point list; Data set section is received from described cloud server, or, receive data set section from the client building communication connection, export section controller to;
Section controller, determines to receive the section of all data sets, carries out merging obtain data set to the data set section received.
Preferably, described cloud server comprises: data verifier, slip condition database and backup of memory, wherein,
Data verifier, for receiving data acquisition request, obtaining the enabled node list that the first client region of transmission data acquisition request is up-to-date, returning described enabled node list to the first client from slip condition database; From backup of memory, extract the data set that described data acquisition request is corresponding, after carrying out slicing treatment to the data set extracted, data set section slicing treatment obtained is broadcasted.
Preferably, described second client comprises:
Second data link, communicates to connect for building with the first client, receives the data set section of cloud server broadcast, the section of the data set of reception is transferred to described first client by the communication connection built.
Preferably, described second client also comprises: the second section controller and the second data point list, wherein,
Second data link, time also for obtaining the instruction obtaining data, sends data acquisition request to cloud server; Build the communication connection with each client in the second built-in data point list; Data set section is received from described cloud server, or, receive data set section from the client building communication connection, export the second section controller to;
Second section controller, determines to receive the section of all data sets, carries out merging obtain data set to the data set section received.
The data-acquisition system that the embodiment of the present invention provides, first client is by sending data acquisition request to cloud server, data set corresponding for data acquisition request is carried out slicing treatment by cloud server, broadcast carrying out the data set section that slicing treatment obtains, first client is by establishing a communications link with the second client in data point list, thus make this first client can obtain the data set section of cloud server broadcast from each second client established a communications link, obtain data set by merging.Like this, communication link between the first client and cloud server break down or abnormal time, first client can receive the data set section of cloud server broadcast by the second client established a communications link, thus transfer to the first client, effectively can improve the success rate of data acquisition.
Fourth aspect, the embodiment of the present invention additionally provides a kind of electronic equipment, can comprise:
One or more processor;
Memory;
One or more module, one or more module described stores in which memory, proceeds as follows when being performed by one or more processor described:
When obtaining the instruction obtaining data, send data acquisition request to cloud server;
Build the communication connection with each client in built-in data point list;
Data set section is received from described cloud server, or, data set section is received from the client building communication connection, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Determine to receive the section of all data sets, merging is carried out to the described data set section received and obtains data set.
5th aspect, the embodiment of the present invention additionally provides a kind of storage medium, for storing application program, a kind of method obtaining data that described application program provides for performing the embodiment of the present invention.
6th aspect, the embodiment of the present invention additionally provides a kind of application program, for performing a kind of method obtaining data that the embodiment of the present invention provides.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method overall procedure schematic diagram that the embodiment of the present invention obtains data;
Fig. 2 is the method idiographic flow schematic diagram that the embodiment of the present invention obtains data;
Fig. 3 is the apparatus structure schematic diagram that the embodiment of the present invention obtains data;
Fig. 4 is the device concrete structure schematic diagram that the embodiment of the present invention obtains data;
Fig. 5 is embodiment of the present invention data-acquisition system structural representation;
Fig. 6 is the electronic devices structure schematic diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
Should be clear and definite, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the method overall procedure schematic diagram that the embodiment of the present invention obtains data.See Fig. 1, this flow process comprises:
Step 11, when obtaining the instruction obtaining data, sends data acquisition request to cloud server;
Step 12, builds the communication connection with each client in built-in data point list;
Step 13, data set section is received from described cloud server, or, data set section is received from the client building communication connection, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Optionally, prioritization can be carried out to the reception of data set section, such as, when not receiving data set section from described cloud server, receive data set section from the client building communication connection; Or when not receiving data set section from the client building communication connection, receive data set section from described cloud server.
Step 14, determines to receive the section of all data sets, carries out merging obtain data set to the described data set section received.
Below lift a specific embodiment, the present invention is described in detail.
Fig. 2 is the method idiographic flow schematic diagram that the embodiment of the present invention obtains data.See Fig. 2, this flow process comprises:
Step 101, when needs obtain data, sends data acquisition request to cloud server;
In this step, when obtaining the instruction obtaining data, show to need to obtain data.
As an embodiment, when needs obtain data, send data acquisition request to cloud server and comprise:
A11, monitors user and presses the first hot key by the button of client, start the data acquisition of described client;
In this step, user can pre-set the hot key for log-on data obtaining mode, when user presses the hot key pre-set, represents that user needs the data acquisition starting this client to obtain data (data set).
A12, receives the second hot key that user is pressed by the button of described client, obtains the data point list of described client;
In this step, can also by arranging the hot key being used for the list of automatic acquisition data point, when user presses this hot key, then client automatic acquisition is built in the data point list in this client.Certainly, in practical application, client also can according to the data acquisition conditions pre-set, and checks currently whether to meet this data acquisition conditions, when meeting, obtains the data point list of described client so that follow-up acquisition data.Like this, after receiving the second hot key that the button of user by described client press, before obtaining the data point list of described client, the method can also comprise:
Check that client is current and whether meet the data acquisition conditions pre-set, if so, perform the step of the data point list of the described client of described acquisition, if not, process ends.
In this step, as an embodiment, data acquisition conditions can be whether client is in network environment, if client is in network environment, such as, be in wireless fidelity network or GPRS network, then determine that client is current and meet the data acquisition conditions pre-set.
In the embodiment of the present invention, data point list refers to that stable server that data acquisition service provider disposes (such as, the node server such as cloud server or transfer server) IP address list, by any IP address in data point list, backup can be found to have the cloud server of this client data.Stable server is generally according to user distribution, and dispose in big and medium-sized cities as much as possible, like this, the mobile client of installing related application first can be convenient to, periphery certain limit can be obtained inner, current up-to-date motor-driven data sharing point (node server).
A13, generates and comprises the data acquisition request that destination address is cloud server, choose the node server in described data point list, send described data acquisition request by the node server chosen to cloud server.
In this step, by client onboard data point list, can ensure that data acquisition request successfully can be sent to cloud server.Like this, the success rate of data acquisition can be promoted.
As another embodiment, when needs obtain data, send data acquisition request to cloud server and comprise:
A21, in the data acquisition cycle pre-set then, if client is in open state and meet the data acquisition conditions pre-set, obtains the data point list of described client;
In this step, client obtains data, can arrange respectively according to the business scenario of different application, can be by user initiatively, or according to the data acquisition cycle arranged, or trigger according to other condition arranged.Such as, address book data is obtained, timing acquisition data every day can be set, i.e. timing every day, such as, point every morning eight (in the morning 8 time, if client is in open state and can interconnection network) requires the up-to-date address list of recoverys/simultaneous user, so that from other client of user or the associated person information that simultaneous user increases newly cloud service online.
A22, generates and comprises the data acquisition request that destination address is cloud server, choose one in described data point list and stablize server, send described data acquisition request by the stable server chosen to cloud server.
Step 102, builds the communication connection with each client in built-in data point list;
In this step, in order to avoid in data acquisition, the situation that the communication link between client and cloud server breaks down or the abnormal data acquisition success rate caused is lower.In the embodiment of the present invention, consider the available data points utilized in data point list, each client in built-in data point list refers to the client except obtaining the client of the instruction obtaining data, namely established a communications link by each client in client and data point list, cloud server needs the data obtained to broadcast to client, each is provided with the mobile client of related application, after receiving the data of broadcast, form a back end by sharing flow, thus provide service with sharing for the data acquisition of periphery mobile client.Like this, communication link between client and cloud server break down or abnormal time, this client can receive the data of cloud server broadcast by other clients established a communications link, thus transfers to client, effectively can improve the success rate of data acquisition.
In the embodiment of the present invention, each available client end in data point list during in order to obtain data acquisition in time, as an embodiment, build with the communication connection of each client in described data point list before, the method also comprises:
Receive the enabled node list returned according to described data acquisition request from cloud server, upgrade described data point list, in described data point list, include the enabled node pre-set.
In this step, after cloud server receives described data acquisition request, can inquire about and obtain other clients or the node server that the online client with sending data acquisition request belongs to the same area or proximate region, such as, based on IP address nearby principle, choose other clients or node server of pre-setting number, other online clients of client and acquisition or node server are built and communicates to connect, communication environment is better, and network delay is lower.
In the embodiment of the present invention, when more new data point list, as an embodiment, existing in enabled node list for not existing in former data point list, being added in data point list; Not existing in enabled node list for existing in former data point list, deleting in data point list; Existing in enabled node list for existing in former data point list, not making an amendment.
As another embodiment, after the communication connection of each client built and in described data point list, the method also comprises:
According to the polling cycle pre-set, carry out poll with each client in described data point list.
In this step, obtaining the up-to-date enabled node list in client region, and be merged into after in built-in data point list, regularly carry out mutual poll according to data point list, to maintain an enough available client node information set (data point list).
Step 103, from described cloud server and/or, the client building communication connection receives data set section, described data set section is that described cloud server is according to the data acquisition request received, after data set corresponding for the described data acquisition request of backup is carried out slicing treatment, obtain the enabled node list of client corresponding to described data acquisition request, to the data set of each client broadcast slicing treatment in described enabled node list;
In this step, as an embodiment, from described cloud server and/or, the client building communication connection receives data set section and comprises:
Data set section is received from described cloud server, or, receive data set section from the client building communication connection.
Cloud server carries out slicing treatment by the data set corresponding to data acquisition request, is the section of multiple data set by data set cutting.Like this, the data volume of each transmission can be reduced, effectively reduce the transmission time, thus when network environment continues change, effectively can reduce the phenomenon that data are lost in network transmission process, promote the success rate of data acquisition.Further, because the data volume transmitted is little at every turn, make transmission success rate high, thus, need the corresponding reduction of data volume retransmitted, reduce the network traffics of client, thus saved the cost that user obtains data.
In the embodiment of the present invention, can carry out slicing treatment according to fixed data amount of capacity to data set, each data set slice size that slicing treatment is obtained is identical; Also slicing treatment can be carried out according to dynamic data amount of capacity to data set.Thus, as an embodiment, data set corresponding for the described data acquisition request of backup is carried out slicing treatment and comprises:
The data set corresponding to described data acquisition request according to the data set section threshold value pre-set is cut into slices.
In this step, can according to actual needs, such as, according to sizes such as 50k, 100k or 1M, data set be cut into slices.
As another embodiment, data set corresponding for the described data acquisition request of backup is carried out slicing treatment and also can comprise:
A31, detects client network signal intelligence according to the network sense cycle pre-set, obtains current network communication signal strength;
In this step, network sense cycle can be arranged according to actual needs.Such as, 10 seconds, 30 seconds or 1 minute etc. can be set to.
A32, inquires about the network communication signal intensity that pre-sets and data set and cut into slices the mapping relations collection of threshold value, and the data set obtaining the mapping of current network communication signal strength is cut into slices threshold value;
In this step, can according to the network signal intensity of client current network, corresponding data set section threshold value is set, such as, when client network signal strength signal intensity is higher, the data set section threshold value of setting is corresponding also higher, and when network signal intensity is lower, the data set section threshold value arranged is corresponding also lower, so that the size of cutting into slices according to network traffic conditions real-time aligned data collection.
A33, the data set corresponding to described data acquisition request according to the data set section threshold value obtained is cut into slices.
As an embodiment, after the data set corresponding to described data acquisition request of backup is carried out slicing treatment, to each client broadcast slicing treatment in described enabled node list data set before, the method also comprises:
Carry out compression process carrying out data set section that slicing treatment obtains.
In this step, the compression algorithm of compression process includes but not limited to: Zip compression algorithm, WinRAR compression algorithm etc.
As an embodiment again, the method can also comprise:
Utilize cryptographic algorithm, the data set section of compression process is encrypted.
In this step, cryptographic algorithm comprises: the data confidentiality agreement (AES of enhancing, AdvancedEncryptionStandard), DEA (DEA, DataEncryptionAlgorithm), data encryption standard (DES, and three layer of data encryption standards (3DES, TripleDES) etc. DataEncryptionStandard).
In the embodiment of the present invention, client can pass through multiple network mode, receive data set section from the client building communication connection, described multiple network mode includes but not limited to: wireless fidelity network mode, 2G network mode, 3G network mode or 4G network mode etc.
Step 104, determines to receive the section of all data sets, merges, obtain the data set obtained to the data set section received.
In this step, as an embodiment, receive the section of all data sets, merge the data set section received, the data set obtaining obtaining comprises:
B11, receive the data set slice information in order to the section of identification data collection and store, described data set slice information at least comprises section mark;
In this step, as an embodiment, data set slice information comprises: the information such as the section mark of number of sections, each data set section and data set slice size.
In the embodiment of the present invention, data cutting is after the section of multiple data set by server beyond the clouds, build the data set slice information that these data are corresponding, include the number of sections of these data, the section mark of each data set section and the information such as data set slice size, and this data set slice information of prioritised transmission, client stores this data set slice information after having other client of communication connection to receive this data set slice information from cloud server or foundation.
B12, receives data set section and carries out buffer memory, according to the section mark comprised in the data set section received, determines the data set section also do not received;
In this step, after receiving a data set section, data check can also be carried out to the data set section received, if verification succeeds, then this data set of buffer memory section, and according to the section mark comprised in the data set section received, determine the data set section also do not received.In the embodiment of the present invention, if receive first, each section mark in the data set slice information then stored by comparison and the section mark of data set section received, can determine to also have how many data set sections not receive, corresponding section mark is how many, thus form the data set section also do not received, in follow-up, the section mark that each section mark in the data set section also do not received by comparison and the data set received are cut into slices, and in the data set section also do not received, identify delete identifying identical section with the data set section of cutting into slices received.
Further, if verify unsuccessful, then can continue to obtain the unsuccessful data set section of this verification from other clients established a communications link.
B13, determines to receive all data set sections corresponding to data set, merges the data set section of buffer memory.
In this step, if the section mark number in the data set section also do not received is zero, show to receive all data set sections corresponding to data set.Then, from little to large order slice of data corresponding for section mark is reconfigured according to section mark in the data set section of buffer memory.
As an embodiment, if there is not section mark in the data set section do not received, then can determine to have received all data set sections corresponding to data set.
As another embodiment, after determining to receive all data set sections corresponding to data set, before merging the data set section of buffer memory, the method can also comprise:
Process is decrypted to the data set section of buffer memory.
As an embodiment again, the method can also comprise:
Decompression is carried out to the data set section of deciphering.
As an embodiment again, the method can also comprise:
Step 105, the data set section of buffer memory cloud server broadcast, receives data acquisition request, by data set slice transmission corresponding for the data acquisition request of buffer memory to the client sending described data acquisition request.
In the embodiment of the present invention, for example, suppose that customer end A sends data acquisition request to cloud server, require to obtain data set B, cloud server receives data acquisition request, obtain the enabled node list of customer end A, cloud server inquires data set B corresponding to data acquisition request from memory block, data set B is compressed, after encryption, cutting is 10 data set sections, be respectively d1 ~ d10, and the d1 ~ d10 that cut into slices by data set broadcasts, namely be distributed in p2p network, simultaneously, enabled node list and data set slice information is returned to customer end A.
Customer end A receives enabled node list, built-in data point list is upgraded, and according to the data point list upgraded, attempt establishing a communications link with each node (client and server) in data point list, and maintain communications status by polling mode and the node established a communications link.
Customer end A sends data acquisition request towards periphery, request acquisition 10 data sets section (d1 ~ d10).
Through the Parallel download of certain hour, finally, customer end A may obtain 10 data set sections in the following way:
By wifi network, obtain data set section from wifi server nearby: d1, d3, d5, d6, d7;
When 2G network, obtain data set section d2 from the neighbouring client C established a communications link;
When 3G network, obtain data set section from the neighbouring client D that establishes a communications link and client E: d4 and d8;
When 4G network, obtain data set section d9 and 10 from the neighbouring client F established a communications link.
Customer end A is obtaining data set section d1 ~ d10, confirm to have obtained all data set sections, according to the section mark of data set section, data set section d1 ~ d10 is merged, then, decompression and decryption processing are carried out in the data set section be combined, and obtain data set B, thus complete data acquisition.
In the embodiment of the present invention, to data set section merge/decryption/decompression is the data manipulation of series of standards, by being encrypted the data set section of user data cutting, the fail safe that data are transmitted between the Internet can be guaranteed, certainly, in practical application, also first can be encrypted and cut into slices again.Such as, for 10 parts of address list informations that user adds the morning, the service clearance of server beyond the clouds, first entirety encryption is carried out, then, according to operation experience, be cut to size fixing, the data set section of transmission can be completed, then according to point-to-point distributed communication mode, through various channels the downloading in client of redundancy in primary network is mutual.Corresponding client through various channels (cloud server and other clients) downloaded data set section after, sort, a compressed file is returned with the split of correct data set section order, then compression is untied, obtain encrypt file, finally use corresponding secret key deciphering, thus obtain the real data of user, effectively can guarantee that data set section is maliciously intercepted in transport process, the lawless person that malice intercepts also cannot obtain the private data of user.
From above-mentioned, the data capture method of the embodiment of the present invention, by sending data acquisition request to cloud server, data set corresponding for data acquisition request is carried out slicing treatment by cloud server, broadcast carrying out the data set section that slicing treatment obtains, simultaneously, the enabled node list that client with transmission data acquisition request is positioned at the same area is issued to this client, thus make this client can based on enabled node list, the data set section of cloud server broadcast is obtained from the node enabled node list, effectively can solve client, especially mobile client while lasting movement from wild effect during cloud server acquisition request data, the related application such as the data of user's acquisition request can in heterogeneous networks situation, lasting data are obtained from the dynamic network that periphery client is formed, thus promote the success rate of data acquisition.
Fig. 3 is the apparatus structure schematic diagram that the embodiment of the present invention obtains data.See Fig. 3, this device comprises: data link 31 and section controller 32, wherein,
Data link 31, for when obtaining the instruction obtaining data, data acquisition request is sent to cloud server, build the communication connection with each client in built-in data point list, data set section is received from described cloud server, or, data set section is received from the client building communication connection, export section controller to, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
In the embodiment of the present invention, preferably, described data link also for receiving the enabled node list returned according to described data acquisition request from cloud server, upgrades described data point list.
As another embodiment, described data link also for according to the polling cycle pre-set, carries out poll with each client in described data point list.
As an embodiment again, described data link also for by wireless fidelity network mode, 2G network mode, 3G network mode or 4G network mode, receives data set section from the client building communication connection.
As an embodiment again, described data link is also for the data set section of buffer memory cloud server broadcast, receive the data acquisition request that other clients send, by data set slice transmission corresponding for the data acquisition request of buffer memory to the client sending described data acquisition request.
Section controller 32, determines to receive the section of all data sets, carries out merging obtain data set to the described data set section received.
Fig. 4 is the device concrete structure schematic diagram that the embodiment of the present invention obtains data.See Fig. 4, this device comprises the data link 31 shown in Fig. 3 and section controller 32, wherein,
Section controller 32 comprises: slice information memory cell 41, buffer unit 42 and merge cells 43, wherein,
Slice information memory cell 41, for receive in order to identification data collection section data set slice information and store, described data set slice information at least comprise section mark;
Buffer unit 42, carries out buffer memory for receiving data set section, according to the section mark comprised in the data set section received, determines the data set section also do not received;
Merge cells 43, receiving all data set sections corresponding to data set for determining, merging the data set section of buffer memory.
Fig. 5 is embodiment of the present invention data-acquisition system structural representation.See Fig. 5, this system comprises: the first client 201, cloud server 202 and the second client 203, wherein,
First client 201, for when obtaining the instruction obtaining data, sends data acquisition request to cloud server 202; Build the communication connection with the second client in built-in data point list; Data set section is received from described cloud server 202, or, do not receive data set section from cloud server 202, receive data set section from the second client 203 building communication connection; Determine to receive the section of all data sets, the described data set section received is merged, obtains data set;
In the embodiment of the present invention, as an embodiment, the first client 201 comprises: data link and section controller, wherein,
Data link, for when obtaining the instruction obtaining data, sends data acquisition request to cloud server 202; Build the communication connection with the second client in built-in data point list; Data set section is received from cloud server 202, or, do not receiving data set section from cloud server 202, receiving data set section from the second client 203 building communication connection, export section controller to;
In the embodiment of the present invention, described data link also for by wireless fidelity network mode, 2G network mode, 3G network mode or 4G network mode, receives data set section from the client building communication connection.
As an embodiment, data link comprises: data acquisition start unit, data point list acquiring unit, data acquisition request unit, communication connection construction unit and section receiving element (not shown), wherein,
Data acquisition start unit, pressing the first hot key for monitoring user by the button of client, starting the data acquisition of described client;
Data point list acquiring unit, for receiving the second hot key that user is pressed by the button of described client, obtains the data point list of described client;
Data acquisition request unit, comprises for generating the data acquisition request that destination address is cloud server, chooses one in described data point list and stablizes server, send described data acquisition request by the stable server chosen to cloud server;
Communication connection construction unit, for building the communication connection with the second client in described data point list;
Section receiving element, for receiving data set section from cloud server 202, or, do not receiving data set section from cloud server 202, receiving data set section from the second client 203 building communication connection, export section controller to.
As another embodiment, data link can also comprise:
Transmission unit, for the data set section of buffer memory cloud server broadcast, receives data acquisition request, by data set slice transmission corresponding for the data acquisition request of buffer memory to the client sending described data acquisition request.
As another embodiment, data link can also comprise:
Updating block, for receiving the enabled node list returned according to described data acquisition request from cloud server, upgrades described data point list.
As an embodiment again, data link can also comprise:
Poll units, for according to the polling cycle pre-set, carries out poll with each client in described data point list.
Section controller, determines to receive the section of all data sets, carries out merging obtain data set to the data set section received.
In the embodiment of the present invention, as an embodiment, section controller comprises: slice information memory cell, buffer unit and merge cells (not shown), wherein,
Slice information memory cell, for receive in order to identification data collection section data set slice information and store, described data set slice information at least comprise section mark;
Buffer unit, carries out buffer memory for receiving data set section, according to the section mark comprised in the data set section received, determines the data set section also do not received;
Merge cells, receiving all data set sections corresponding to data set for determining, merging the data set section of buffer memory.
As another embodiment, section controller can also comprise:
Verification unit, for carrying out data check to the data set section received, if verification succeeds, export buffer unit to, if verify unsuccessful, notification data transmitter continues to obtain the unsuccessful data set section of this verification from other clients established a communications link.
As an embodiment again, section controller can also comprise:
Decryption unit, for being decrypted process to the data set section of buffer memory.
As an embodiment again, section controller can also comprise:
Decompression unit, for carrying out decompression to the data set section of deciphering.
In the embodiment of the present invention, first client can pass through multiple network mode, receive data set section from the second client building communication connection, described multiple network mode includes but not limited to: wireless fidelity network mode, 2G network mode, 3G network mode and 4G network mode etc.
Cloud server 202, for receiving data acquisition request, after data set corresponding for the described data acquisition request of backup is carried out slicing treatment, obtain the enabled node list of the first client 201 corresponding to described data acquisition request, broadcast the data set through slicing treatment to the second client 203 in described enabled node list;
In the embodiment of the present invention, as an embodiment, cloud server 202 comprises: data verifier, slip condition database and backup of memory, wherein,
Data verifier, for receiving data acquisition request, obtaining the enabled node list that the first client region of transmission data acquisition request is up-to-date, returning described enabled node list to the first client from slip condition database; From backup of memory, extract the data set that described data acquisition request is corresponding, after carrying out slicing treatment to the data set extracted, data set section slicing treatment obtained is broadcasted.
In the embodiment of the present invention, as an embodiment, data verifier comprises: enabled node list acquiring unit, data set extraction unit, slicing treatment unit and radio unit (not shown), wherein,
Enabled node list acquiring unit, for receiving data acquisition request, obtaining the enabled node list that the first client region of transmission data acquisition request is up-to-date, returning described enabled node list to the first client from slip condition database;
Data set extraction unit, for extracting data set corresponding to described data acquisition request from backup of memory, exports slicing treatment unit to;
Slicing treatment unit, for carrying out slicing treatment to the data set received, obtains the section of multiple data set;
In the embodiment of the present invention, slicing treatment unit can be cut into slices according to the data set that the data set section threshold value pre-set is corresponding to described data acquisition request; Also can be detect client network signal intelligence according to the network sense cycle pre-set, obtain current network communication signal strength, inquire about the network communication signal intensity that pre-sets and data set to cut into slices the mapping relations collection of threshold value, obtain the data set section threshold value that current network communication signal strength maps, the data set corresponding to described data acquisition request according to the data set section threshold value obtained is cut into slices.
Radio unit, broadcasts for data set section slicing treatment obtained.
As another embodiment, data verifier can also comprise:
Compression unit, the data set for exporting data set extraction unit carries out compression process.
As an embodiment again, data verifier can also comprise:
Ciphering unit, for utilizing cryptographic algorithm, being encrypted the data set of compression process, exporting slicing treatment unit to.
Second client 203, for building the communication connection with described first client 201, receives the data set section that cloud server 202 is broadcasted, and data set slice transmission extremely described first client 201 that will receive.
In the embodiment of the present invention, the second client 203 can be one or more client and/or, node server.
As an embodiment, the second client 203 comprises:
Second data link, communicates to connect for building with the first client, receives the data set section of cloud server broadcast, the section of the data set of reception is transferred to described first client by the communication connection built.
In the embodiment of the present invention, as another embodiment, the second client 203 can also comprise: the second section controller and the second data point list, wherein,
Second data link, time also for obtaining the instruction obtaining data, sends data acquisition request to cloud server; Build the communication connection with each client in the second built-in data point list; Data set section is received from described cloud server, or, receive data set section from the client building communication connection, export the second section controller to;
Second section controller, determines to receive the section of all data sets, carries out merging obtain data set to the data set section received.
The embodiment of the present invention additionally provides a kind of electronic equipment, see the electronic devices structure schematic diagram that Fig. 6, Fig. 6 are the embodiment of the present invention, can comprise:
One or more processor 61;
Memory 62;
One or more module 63, one or more module 63 described is stored in described memory 62, proceeds as follows when being performed by one or more processor 61 described:
When obtaining the instruction obtaining data, send data acquisition request to cloud server;
Build the communication connection with each client in built-in data point list;
Data set section is received from described cloud server, or, data set section is received from the client building communication connection, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Determine to receive the section of all data sets, merging is carried out to the described data set section received and obtains data set.
The embodiment of the present invention additionally provides a kind of storage medium, for storing application program, and a kind of method obtaining data that described application program provides for performing the embodiment of the present invention.
The embodiment of the present invention additionally provides a kind of application program, for performing a kind of method obtaining data that the embodiment of the present invention provides.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasablely edit read-only memory (EPROM or flash memory), fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
For convenience of description, describing above device is be divided into various units/modules to describe respectively with function.Certainly, the function of each units/modules can be realized in same or multiple software and/or hardware when implementing of the present invention.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. obtain a method for data, it is characterized in that, the method comprises:
When obtaining the instruction obtaining data, send data acquisition request to cloud server;
Build the communication connection with each client in built-in data point list;
Data set section is received from described cloud server, or, data set section is received from the client building communication connection, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Determine to receive the section of all data sets, merging is carried out to the described data set section received and obtains data set.
2. method according to claim 1, is characterized in that, before the communication connection of each client in described structure and built-in data point list, described method also comprises:
Receive the enabled node list returned according to described data acquisition request from cloud server, upgrade described data point list, in described data point list, include the enabled node pre-set.
3. method according to claim 2, is characterized in that, after the communication connection of each client in described structure and built-in data point list, described method also comprises:
According to the polling cycle pre-set, carry out poll with each client in described data point list.
4. method according to claim 1, is characterized in that, described client, by wireless fidelity network mode, 2G network mode, 3G network mode or 4G network mode, receives data set section from the client building communication connection.
5. the method according to any one of Claims 1-4, is characterized in that, describedly determines to receive the section of all data sets, carries out merging obtain data set and comprise the described data set section received:
Receive the data set slice information in order to the section of identification data collection and store, described data set slice information at least comprises section mark;
Receive data set section and carry out buffer memory, according to the section mark comprised in described data set slice information, determine the data set section also do not received;
Determine to receive all data set sections corresponding to data set, the data set section of buffer memory is merged.
6. the method according to any one of Claims 1-4, is characterized in that, described method also comprises:
The data set section of buffer memory cloud server broadcast, receives the data acquisition request that other clients send, by data set slice transmission corresponding for the data acquisition request of buffer memory to the client sending described data acquisition request.
7. obtain a device for data, it is characterized in that, described device comprises: data link and section controller, wherein,
Data link, for when obtaining the instruction obtaining data, data acquisition request is sent to cloud server, build the communication connection with each client in built-in data point list, data set section is received from described cloud server, or, data set section is received from the client building communication connection, export section controller to, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Section controller, determines to receive the section of all data sets, carries out merging obtain data set to the described data set section received.
8. device according to claim 7, is characterized in that, described data link also for receiving the enabled node list returned according to described data acquisition request from cloud server, upgrades described data point list.
9. a data-acquisition system, is characterized in that, this system comprises: the first client, cloud server and the second client, wherein,
First client, during for obtaining the instruction obtaining data, sends data acquisition request to cloud server; Build the communication connection with the second client in built-in data point list; Data set section is received from described cloud server, or, receive data set section from the client building communication connection; Determine to receive the section of all data sets, merging is carried out to the data set section received and obtains data set;
Cloud server, for receiving data acquisition request, after data set corresponding for the described data acquisition request of backup is carried out slicing treatment, obtain the enabled node list of the first client corresponding to described data acquisition request, to the data set of the second client broadcast slicing treatment in described enabled node list;
Second client, for building the communication connection with described first client, receives the data set section of cloud server broadcast, and data set slice transmission extremely described first client that will receive.
10. an electronic equipment, is characterized in that, comprising:
One or more processor;
Memory;
One or more module, one or more module described stores in which memory, proceeds as follows when being performed by one or more processor described:
When obtaining the instruction obtaining data, send data acquisition request to cloud server;
Build the communication connection with each client in built-in data point list;
Data set section is received from described cloud server, or, data set section is received from the client building communication connection, described data set section is the data acquisition request of described cloud server according to reception, the section obtained after data set corresponding for the described data acquisition request stored is carried out slicing treatment;
Determine to receive the section of all data sets, merging is carried out to the described data set section received and obtains data set.
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