CN105187796B - A data transmission method, device and system - Google Patents
A data transmission method, device and system Download PDFInfo
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- CN105187796B CN105187796B CN201510583844.8A CN201510583844A CN105187796B CN 105187796 B CN105187796 B CN 105187796B CN 201510583844 A CN201510583844 A CN 201510583844A CN 105187796 B CN105187796 B CN 105187796B
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Abstract
The present invention relates to information technology field, a kind of data transmission method, apparatus and system are disclosed, can guarantee that client normal control web camera such as carries out data transmission at the operation.The described method includes: sending data acquisition instruction to first server, so that first server instruction web camera and second server establish connection, the data acquisition instruction is used to indicate the web camera transmission data；Connection is established with the second server；Receive the data for the web camera output that the second server is sent.Using above scheme, transmission of the transmission independently of data of instruction may be implemented, guarantee that the transmission of data is smooth.
Description
Technical field
The present invention relates to information technology field, in particular to a kind of data transmission method, apparatus and system.
Background technique
With the continuous development of information technology, web camera occurs therewith, and is becoming increasingly popular.Wherein, user
Network shooting machine monitoring children, old man, the house of oneself etc. can be passed through.Web camera be a kind of combination traditional cameras with
The video camera of new generation that network technology generates, to server, then again the video data of shooting can be passed through network transmission by it
It will be in the client of the video data transmission of shooting to terminal device by network.
Currently, the data master that control instruction and web camera that client is sent to web camera are sent to client
It to be transmitted by the same transmission channel, it will usually be configured to be suitable for carrying out data biography by the transmission mode of transmission channel
Defeated mode.However, since the condition for carrying out data and control instruction transmission is different with requirement, by for carrying out data transmission
Transmission channel, carry out the transmission of control instruction, will cause control instruction exist transmission failure the case where, so as to cause client
Can not normal control web camera carry out data transmission.
Summary of the invention
In view of this, the present invention provides a kind of data transmission method, apparatus and system, main purpose is to guarantee visitor
Family end normal control web camera such as carries out data transmission at the operation.
According to the present invention on one side, a kind of data transmission method is provided, comprising:
Data acquisition instruction is sent to first server, so that the first server indicates web camera and second
Server establishes connection, and the data acquisition instruction is used to indicate the web camera transmission data；
Connection is established with the second server；
The data that the web camera exports are obtained from the second server.
According to the present invention on the other hand, a kind of data transmission method is provided, comprising:
The data acquisition instruction that first server is sent is received, the data acquisition instruction is used to indicate web camera biography
Transmission of data；
Connection is established with second server；
The data are sent to the second server, the data are for being obtained and being exported by client.
Another aspect according to the present invention provides a kind of client, comprising:
Transmission unit, for sending data acquisition instruction to first server, so that the first server indicates net
Network video camera and second server establish connection, and the data acquisition instruction is used to indicate the web camera transmission data；
Unit is established, for establishing connection with the second server；
Acquiring unit, for obtaining the data that the web camera exports from the second server.
Even further aspect according to the present invention provides a kind of web camera, comprising:
Receiving unit, for receiving the data acquisition instruction of first server transmission, the data acquisition instruction is for referring to
Show that web camera transmits data；
Unit is established, for establishing connection with second server；
Transmission unit, for sending the data to the second server, the data by client for being obtained
It takes and exports.
A kind of Transmission system of data is additionally provided according to the present invention, comprising:
Client, for sending data acquisition instruction to service server；
Service server, for sending the data acquisition instruction to web camera；
Web camera, for establishing connection with Relay Server and sending data to the Relay Server；
The service server is also used to receive the data acquisition that the web camera is sent and instructs corresponding sound
It answers success message and the data acquisition sent to the client instructs corresponding response success message；
The Relay Server is also used to establish connection with the client and sends the data to the client.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention is at least had the advantage that
The embodiment of the invention provides a kind of data transmission methods, apparatus and system, firstly, client sends out control instruction
First server is given, the control instruction is transmitted to by web camera by the first server；Then, the network
Video camera and second server establish connection and send data to the second server；Finally, the client and described the
Two servers establish connection and receive the data that the web camera is exported by the second server.With current client
The control instruction and the data that are sent to client of web camera sent to web camera by the same transmission channel into
Row transmission is compared, the control instruction that the embodiment of the present invention forwards client to send to web camera by first server, and
And the data sent by second server forwarding web camera to client, it can be realized client and sent out to web camera
The control instruction sent is transmitted from the data that web camera is sent to client by different transmission channels, so as to
It avoids control instruction from there is the case where transmission failure, and then can guarantee that client normal control web camera carries out data biography
Defeated equal operation.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of data transmission method flow chart provided in an embodiment of the present invention；
Fig. 2 shows another data transmission method flow charts provided in an embodiment of the present invention；
Fig. 3 shows another data transmission method flow chart provided in an embodiment of the present invention；
Fig. 4 shows another data transmission method flow chart provided in an embodiment of the present invention；
Fig. 5 shows a kind of client terminal structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 shows another client terminal structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 shows a kind of network camera structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 shows another network camera structure schematic diagram provided in an embodiment of the present invention；
Fig. 9 shows a kind of data transmission system structural schematic diagram provided in an embodiment of the present invention；
Figure 10 shows another data transmission system structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The embodiment of the invention provides a kind of data transmission methods, can be applied to client, as shown in Fig. 1, the side
Method includes:
101, data acquisition instruction is sent to first server.
Further, the data acquisition instruction may make the first server instruction web camera and second service
Device establishes connection.Wherein, the data acquisition instruction is used to indicate the web camera transmission data.The first server
For service server, the second server is Relay Server.The service server is the corresponding interconnection of web camera
A management resource in network externally provides the high-performance computer of business service.It is logical that computer is listened to by service server
Service request in communication network from computer client or client mobile communication end, and service request is responded and located
Reason, and then the business service of web camera is provided for computer client or client mobile communication end.The Relay Server
It is referred to as video stream server, is sent to client in the corresponding internet transfer hair web camera of web camera
Data improve the response speed of primary server so as to mitigate the load of web camera primary server.The network is taken the photograph
Camera is a new generation's video camera caused by a kind of combination traditional cameras and network technology, image can be reached by network
The other end, and the viewer of distal end is not required to any professional software, as long as the web browser of standard can monitor network shooting
Image captured by machine, web camera is generally by camera lens, image, sound transducer, A/D converter (analog/digital conversion
Device, Analogue/Digital converter), image, sound, controller network server, external alert, control interface etc.
Part forms, and the embodiment of the present invention is without limitation.
Wherein, the data are specifically as follows video data, or video requency frame data, the embodiment of the present invention do not limit
It is fixed.Specifically, after the first server receives the data acquisition instruction, data acquisition instruction is converted to described
The identifiable data acquisition signaling of web camera, then data acquisition signaling is sent to web camera, the then network
Video camera obtains data according to the data acquisition signaling and transmits data.The data that web camera obtains can be taken the photograph for network
After camera receives data acquisition instruction, the data acquired in real time allow client to play web camera in real time current
The data of acquisition, so as to be monitored in real time to current scene.The data may be that web camera receives
After data acquisition instruction, the data in the preset time period of acquisition, wherein what preset time period can obtain for web camera
Intraday data, the data etc. in one hour, the embodiment of the present invention without limitation, so as to the view in special time period
Frequency is according to being played back.For the embodiment of the present invention, by the predetermined time for transmitting the real time data or acquisition that currently acquire
Data in section can be realized the data in client output transmission any time period, so as to carry out according to user demand
The transmission and output of video data.
For the embodiment of the present invention, step 101 is specifically as follows: when the web camera icon in client receives touching
When sending instructions, client sends data acquisition instruction to first server.Triggering command can be for web camera user actively
Send, for example, when web camera user click or striking client on web camera icon when, client is to the
One server sends data acquisition instruction；Or condition triggering, for example, when set by user according to web camera
Between, specific position etc. triggered, the embodiment of the present invention is without limitation.
Wherein, the data acquisition instruction is one of the control instruction that client is sent, and is taken the photograph for client to network
Camera can also carry out other controls, at this point, the control instruction can also be web camera enabled instruction, web camera
Volume adjustment instruction, image resolution ratio adjustment instruction etc., the embodiment of the present invention is without limitation.
Further, client can also send other control instructions to first server, with control web camera into
Row corresponding operating.For example, web camera enabled instruction can be sent, be used to indicate the web camera starting or closed
It closes, image resolution ratio adjustment instruction can be sent, the shooting resolution ratio of control web camera adjustment image can also send net
The instruction of network video camera volume adjustment is used to indicate the web camera starting or closes volume, and the embodiment of the present invention is not done
It limits.By control instruction, remote operation web camera may be implemented, so as to facilitate user, improve user experience.And
And the control instruction that is sent to web camera of client and web camera to the data that client is sent be by different
What transmission channel was transmitted, it can be avoided control instruction and there is the case where transmission failure, so as to guarantee client success
Control web camera carries out data transmission.
102, connection is established with the second server.
Wherein, it is the video data for being used for transmission web camera acquisition that connection is established with the second server, to protect
Demonstrate,prove the transmission speed of video data, it is big that the transmission channel established after connection with the second server will meet volume of transmitted data
It is required that therefore, the biggish long connection of volume of transmitted data is generallyd use, for example, TCP (transmission control protocol, Transmission
Control Protocol) length connection, the embodiment of the present invention is without limitation.At this point, for the embodiment of the present invention, step 102 tool
Body can be with are as follows: and Xiang Suoshu second server sends IP (Internet protocol, Internet Protocol) address request, this
When, the second server returns to the corresponding response message of the IP address request message；Then, from the response message,
The IP address for obtaining the second server establishes TCP with the second server according to the IP address of the second server
Long connection.
103, the data that the web camera exports are obtained from the second server.
For the embodiment of the present invention, step 103 is specifically as follows: the web camera receives client described in
After the data acquisition instruction that first server is sent, connection is established with the second server, and send out to the second server
Send data, the second server receives and sends the data to client after data, so that client can be from described the
Two servers obtain the data of the web camera output.The embodiment of the present invention forwards client to net by first server
The control instruction that network video camera is sent, and the data for forwarding web camera to send to client by second server, energy
Enough realize that control instruction and web camera that client is sent to web camera pass through difference to the data that client is sent
Transmission channel transmitted, so as to avoid control instruction from there is the case where transmission failure, and then can guarantee client
Success controls web camera and carries out data transmission.
For the embodiment of the present invention, specific application scenarios can be as follows, but not limited to this, comprising: when holding net
The user of network video camera A click or striking customer end B on web camera icon when, customer end B is sent out to service server
Data acquisition is sent to instruct.After service server receives the data acquisition instruction, data acquisition letter is sent to web camera A
It enables.After web camera A receives data acquisition signaling, data are obtained；IP address request is sent to Relay Server simultaneously to disappear
Then breath obtains relay services from the corresponding response message of the IP address request message that the Relay Server returns
The IP address of device establishes connection with the Relay Server and to the middle following the service according to the IP address of the Relay Server
Business device transmits data.After customer end B is by establishing connection with the Relay Server, receives web camera A and pass through in described
After the data of server transport.Compared with the transmission for only carrying out data acquisition instruction and data by Relay Server at present,
The embodiment of the present invention carries out the transmission of data acquisition instruction by service server and carries out the biography of data by Relay Server
It is defeated, the transmission that data acquisition instruction and data is carried out by a transmission channel is avoided, so as to avoid data acquisition from referring to
It enables and there is the case where transmission failure, and then can guarantee that client normal control web camera such as carries out data transmission at the operation.
A kind of data transmission method provided in an embodiment of the present invention, firstly, control instruction is sent to the first clothes by client
Business device, is transmitted to web camera for the control instruction by the first server；Then, the web camera and
Two servers establish connection and send data to the second server；Finally, the client is built with the second server
It is vertical to connect and receive the data that the web camera is exported by the second server.With current client to network shooting
The control instruction that machine is sent compared with the data that web camera is sent to client carry out by the same transmission channel transmitting,
The control instruction that the embodiment of the present invention forwards client to send to web camera by first server, and pass through the second clothes
The data that business device forwarding web camera is sent to client, can be realized the control instruction that client is sent to web camera
The data sent from web camera to client are transmitted by different transmission channels, so as to avoid control instruction
The case where in the presence of transmission failure, and then can guarantee that client normal control web camera such as carries out data transmission at the operation.
The embodiment of the invention provides another data transmission methods, can be applied to client, described as shown in Fig. 2
Method includes:
201, data acquisition instruction is sent to first server.
Further, the data acquisition instruction may make the first server instruction web camera and second service
Device establishes connection.Wherein, the data acquisition instruction is used to indicate the web camera transmission data.The first server
For service server, the second server is Relay Server.The concept of the service server and explanation are detailed in step 101
Thin elaboration, details are not described herein.The Relay Server, Relay Server can also become video stream server, in network
The corresponding internet transfer hair web camera of video camera is sent to the data of client, so as to mitigate web camera
The load of primary server improves the response speed of primary server.Wherein, the data are specifically as follows video data, can also be with
For video requency frame data, the embodiment of the present invention is without limitation.
For the embodiment of the present invention, after the first server receives the data acquisition instruction of client transmission,
Data acquisition instruction can be encrypted according to preset encryption rule；Then encrypted data acquisition is instructed and is sent out
Web camera is given, the last web camera obtains data according to the data acquisition signaling and transmits data.Wherein,
Preset encryption rule can be configured according to the actual demand of user, can also be configured according to the default mode of system,
The embodiment of the present invention is without limitation.
Wherein, preset encryption rule can be the rule encrypted by preset Encryption Algorithm, preset Encryption Algorithm tool
Body can be rivest, shamir, adelman, can also be with symmetric encipherment algorithm, and the embodiment of the present invention is without limitation.Rivest, shamir, adelman
It can be RSA Algorithm, DSA algorithm (Digital Signature Algorithm, Digital Signature Algorithm), ECC (elliptic curve
Cipher system, Elliptic Curve Cryptosystem) algorithm, Diffie-Hellman algorithm, the embodiment of the present invention is not
It limits.Symmetric encipherment algorithm can for DES (data encryption standards, Data Encryption Standard), 3DES, can also
Think AES (high-level data encryption standard, Advanced Encryption Standard) and Blowfish algorithm, the present invention
Embodiment is without limitation.The encryption key that the Encryption Algorithm uses is first server configuration.If described first
Server encrypts data acquisition instruction using rivest, shamir, adelman, adds to data acquisition instruction
Before close, first acquisition public private key pair, then by the public-key cryptography generation encryption key to the data acquisition instruct into
Row encryption, so that after web camera receives the data acquisition instruction decruption key can be generated according to private cipher key
Data acquisition instruction is decrypted.After data acquisition instruction is encrypted by first server, then to net
Network video camera sends the data acquisition instruction, and the data acquisition instruction transmitted between client and IP Camera can be improved
Safety, reduce security risk present in transmission data acquisition instruction.
For the embodiment of the present invention, the first server can be referred to encrypted data acquisition by signal server
Order is sent to web camera.Specifically, the instruction of encrypted data acquisition is sent to signal server by first server, so
Afterwards, data acquisition instruction is converted to the data acquisition signaling that the web camera can identify by signal server, and
Data acquisition signaling is encrypted according to above-mentioned preset encryption rule.Finally, encrypted data acquisition signaling is sent to
Network server.
For the embodiment of the present invention, step 201 is specifically as follows: passing through HTTPS (hypertext Encryption Transmission Protocol, Hyper
Text Transfer Protocol over Secure Socket Layer) the Xiang Suoshu first server transmission data
Acquisition instruction.Wherein, the HTTPS is safely for the channel HTTP of target (Hyper Text Transfer
Protocol, hypertext transfer protocol), be the safe version of HTTP, i.e. be added under HTTP SSL (Secure Socket Layer,
Secure Socket Layer) layer, due to, using SSL, sending the data to the first server by HTTPS in HTTPS
Acquisition instruction can further promote the safety of control signaling transmission process.
Further, when sending data acquisition instruction to the first server by HTTPS, institute can be opened
State the strong verifying function of HTTPS.Wherein, the strong verifying function of the HTTPS can for pass through HTTPS carry out signalling when institute
The additional function of configuration can be used for protecting the safety for carrying out signalling by HTTPS.For the embodiment of the present invention, logical
Cross HTTPS by the data acquisition instruction be sent to the web camera before, open the strong verifying function of the HTTPS,
The safety that data acquisition instruction transmission is carried out by HTTPS can be improved, the safety for reducing transmission data acquisition instruction is hidden
Suffer from.
Specifically, when carrying out the data acquisition instruction transmission by HTTPS, the strong verification function of the HTTPS is opened
Can, can determine the data of data acquisition instruction there are in the case where security risk, data acquisition described in force termination
The transmission of instruction；If being not turned on the strong verifying function of the HTTPS, when unlatching be the weak verifying function of the HTTPS when,
Data acquisition instruction transmission is being carried out by HTTPS, the case where determining the data of data acquisition instruction there are security risks
Under, the prompt information about security risk can be exported, user can be according to the prompt information about security risk
The no operation for terminating the data acquisition instruction transmission, but there are security risks in the data for determining the data acquisition instruction
While, it will continue to the transmission for carrying out data acquisition instruction, and then the safety of data acquisition instruction transmission can be reduced.
For the embodiment of the present invention, directly transmitting mode that data acquisition instructs to first server can be with are as follows: by with
The long connection that the first server is established sends the data acquisition instruction of the encryption to the first server.
Wherein, the long connection is that a kind of first establish communicates to connect, and connection does not turn off after establishing, and then can repeat
The connection type that message sends and receives.By establishing long connection with the first server, it can guarantee that data acquisition instructs
The timeliness of transmission and the processing capacity for increasing data acquisition instruction error of transmission.
202, judge whether that the data acquisition instruction for receiving the first server forwarding is corresponding to respond successfully
Message.
Wherein, it is sent when the response success message web camera gets data acquisition instruction.
The response success message is described for notifying web camera described in client to establish connection with the second server
Responding success message can be acoustic frequency response success message, text response success message, video response success message, and the present invention is real
Apply example without limitation.The response success message is sent to first server by web camera, and then first server is by institute
It states response success message and is transmitted to client, can guarantee that client establishes connection with second server in time and obtains data,
When so as to avoid web camera from not having normal output data, client and second server carry out unnecessary connection.
If the data acquisition for 203, receiving the first server forwarding instructs corresponding response success message,
Connection is established with the second server.
For the embodiment of the present invention, establishing connection with the second server is to be used for transmission the view of web camera acquisition
Frequency evidence, for the transmission speed for guaranteeing video data, the transmission channel established after connection with the second server will meet number
According to the big requirement of transmission quantity, therefore, the biggish long connection of volume of transmitted data is generallyd use, at this point, step 203 is specifically as follows:
If the data acquisition for receiving the first server forwarding instructs corresponding response success message, with second clothes
Being engaged in, device foundation is long to be connected.By establishing long connection with the second server, the big requirement of volume of transmitted data can satisfy, simultaneously
It can guarantee the timeliness of data transmission and increase the processing capacity of data transmission fault.
204, the data that the web camera exports are obtained from the second server.
For the embodiment of the present invention, step 204 is specifically as follows: obtaining from the second server and is added by presetting rule
The data of web camera output after close.The second server is in the data for receiving the web camera output
Afterwards, firstly, being encrypted according to the data that the presetting rule exports the web camera, so that client can obtain
Pass through the data of the encrypted web camera output of presetting rule.Wherein, presetting rule can be according to the reality of user
Demand is configured, and can also be configured according to the default mode of system, the embodiment of the present invention is without limitation.For example, second
Server can divide the data that web camera exports according to preset division rule, be divided into multiple data cells,
Then the multiple video data unit is encrypted respectively by preset encryption rule.Wherein, preset division rule can be with
It is configured, can also be configured according to the default mode of system, the embodiment of the present invention is not done according to the actual demand of user
It limits.Such as divide according to the sequence number of data.Preset encryption rule can according to the actual demand of user into
Row setting, can also be configured, the embodiment of the present invention is without limitation according to the default mode of system.For example, preset encryption rule
It then can be the rule encrypted by preset Encryption Algorithm, preset Encryption Algorithm is specifically as follows rivest, shamir, adelman,
Can also be with symmetric encipherment algorithm, the embodiment of the present invention is without limitation.
Specifically, if the data of web camera output are video data, video data can be divided into multiple videos
Frame data；Sequence of positions where adjusting the multiple video requency frame data in the video data according to preset ordering rule,
Wherein, preset ordering rule can be configured according to the actual demand of user, can also be carried out according to the default mode of system
Setting, for example, preset ordering rule can be randomly ordered rule；Then, the original series of each video requency frame data are obtained
Number；According to the original sequence number of the private key of the preset symmetric cryptography rule and each video requency frame data, generate respectively with
The corresponding encryption key of each video requency frame data, finally according to the corresponding encryption of each video requency frame data
The multiple video requency frame data of key pair is encrypted.For the embodiment of the present invention, pass through export the web camera
Data are encrypted after dividing, and can generate volume after can be avoided data encryption while guaranteeing the safety of data transmission
Outer data, so as to reduce the occupied Internet resources of processing extra data and the occupied cpu resource of extra data.
For the embodiment of the present invention, specific application scenarios can be as follows, but not limited to this, comprising: when holding net
The user of network video camera A click or striking customer end B on web camera icon when, customer end B is sent out to service server
Data acquisition is sent to instruct.It, can be by RSA cryptographic algorithms to the number after service server receives the data acquisition instruction
It is encrypted according to acquisition instruction；Then the instruction of encrypted data acquisition is sent to signal server, then, signal server
Data acquisition instruction is converted into the data acquisition signaling that the web camera can identify, and is calculated by AES encryption
Method encrypts data acquisition signaling.Finally, encrypted data acquisition signaling is sent to network server.Pass through business
After server is encrypted data acquisition instruction, then the data acquisition is sent to web camera and is instructed, Ke Yiti
The safety for the data acquisition instruction transmitted between high client and IP Camera reduces the transmission data acquisition instruction
Present in security risk.
After web camera A receives encrypted data acquisition signaling, decruption key is generated by private key, data are obtained
Order of winning the confidence is decrypted；Then according to the data acquisition signaling after decryption, video data is obtained；Meanwhile it being sent out to Relay Server
IP address request message is sent, then, the corresponding response message of the IP address request message returned from the Relay Server
The middle IP address for obtaining Relay Server establishes long connect with the Relay Server according to the IP address of the Relay Server
It connects and to the Relay Server transmitting video data.The Relay Server is in the view for receiving the web camera output
Frequency, firstly, the video data that web camera exports is divided according to preset division rule, is divided into multiple views after
Then frequency frame data encrypt the multiple video requency frame data by des encryption algorithm respectively.By the way that the network is taken the photograph
The video data of camera output is encrypted after dividing, and can be kept away while guaranteeing the safety of video data transmission
Additional data are generated after exempting from video data encryption, so as to reduce the occupied Internet resources of processing extra data and volume
The outer occupied cpu resource of data.
After web camera A obtains the video data, to service server returning response success message, service server
The returning response success message is sent to customer end B.After customer end B receives the returning response success message, with institute
It states Relay Server and establishes connection, after establishing successful connection with the Relay Server, receive web camera A described in
The video data of Relay Server transmission.By the way that the response success message is transmitted to client, can guarantee client and
When establish connection and obtain video data with second server, so as to avoid web camera from not exporting video counts normally
According to when, client and second server carry out unnecessary connection.Refer to only data acquisition is carried out by Relay Server at present
Order compares with the transmission of data, the embodiment of the present invention, carries out the transmission of data acquisition instruction by service server and passes through
Relay Server carries out the transmission of data, avoids the transmission that data acquisition instruction and data is carried out by a transmission channel,
So as to avoid data acquisition instruction from there is the case where transmission failure, and then it can guarantee client normal control network shooting
Machine such as carries out data transmission at the operation.
Another kind data transmission method provided in an embodiment of the present invention, firstly, control instruction is sent to first by client
The control instruction is transmitted to web camera by the first server by server；Then, the web camera with
Second server establishes connection and sends data to the second server；Finally, the client and the second server
It establishes connection and receives the data that the web camera is exported by the second server.It is taken the photograph with current client to network
The data that the control instruction that camera is sent is sent with web camera to client carry out transmission phase by the same transmission channel
Than the control instruction that, the embodiment of the present invention forwards client to send to web camera by first server, and pass through the
The data that two servers forwarding web camera is sent to client, can be realized the control that client is sent to web camera
The data sent from web camera to client are instructed to be transmitted by different transmission channels, so as to avoid controlling
There is the case where transmission failure in instruction, and then can guarantee that client normal control web camera such as carries out data transmission at the behaviour
Make.
The embodiment of the invention provides another data transmission methods, can be applied to web camera, as shown in figure 3,
The described method includes:
301, the data acquisition instruction that first server is sent is received.
Wherein, the data acquisition instruction is used to indicate web camera to client transmissions data.The first service
Device is service server.The concept of the service server and explanation are in the detailed elaboration of step 101, and details are not described herein.Institute
Stating client may be mounted on terminal device, and terminal device can be mobile phone or tablet computer, and the present invention is implemented
Example is without limitation.The operating system of the corresponding terminal device of client can be Android system, or apple iOS system,
The embodiment of the present invention is without limitation.
302, connection is established with second server.
Wherein, the second server is Relay Server, video stream server is referred to as, in web camera pair
The internet transfer hair web camera answered is sent to the data of client, so as to mitigate web camera primary server
Load, improve the response speed of primary server.
303, Xiang Suoshu second server sends the data.
Wherein, the data are for being obtained and being exported by the client.The data can be web camera
The data acquired in real time, or the data in the preset time period of web camera acquisition, the embodiment of the present invention do not limit
It is fixed.
For the embodiment of the present invention, step 303 is specifically as follows: web camera sends to the second server and acquires
Real time data or web camera acquisition preset time period in data.The real time data or pre- acquired by transmission
If the data in the period, it can be realized the data in client output transmission any time period, so as to promote user's
Experience.
Another data transmission method provided in an embodiment of the present invention, firstly, control instruction is sent to first by client
The control instruction is transmitted to web camera by the first server by server；Then, the web camera with
Second server establishes connection and sends data to the second server；Finally, the client and the second server
It establishes connection and receives the data that the web camera is exported by the second server.It is taken the photograph with current client to network
The data that the control instruction that camera is sent is sent with web camera to client carry out transmission phase by the same transmission channel
Than the control instruction that, the embodiment of the present invention forwards client to send to web camera by first server, and pass through the
The data that two servers forwarding web camera is sent to client, can be realized the control that client is sent to web camera
The data sent from web camera to client are instructed to be transmitted by different transmission channels, so as to avoid controlling
There is the case where transmission failure in instruction, and then can guarantee that client normal control web camera such as carries out data transmission at the behaviour
Make.
The embodiment of the invention provides another data transmission methods, can be applied to web camera, as shown in figure 4,
The described method includes:
401, the data acquisition instruction that first server is sent is received.
Wherein, the data acquisition instruction is used to indicate web camera to client transmissions data.The first service
Device is service server, and the second server is Relay Server.The concept of the service server and Relay Server and
Explain that details are not described herein in the detailed elaboration of step 101.
For the embodiment of the present invention, step 401 is specifically as follows: receiving what the first server was sent by HTTPS
Data acquisition instruction.Wherein, the HTTPS is for the channel HTTP of target, to be the safe version of HTTP safely, i.e. under HTTP
It is added SSL layers.Refer to due to using SS in HTTPS therefore passing through HTTPS to the first server transmission data acquisition
It enables, can further promote the safety of control signaling transmission process
For the embodiment of the present invention, step 401 specifically can be with are as follows: receives the first server and passes through HTTPS and sends
Instructed according to the encrypted data acquisition of presetting rule.
For the embodiment of the present invention, step 401 specifically can be with are as follows: is connect by establishing length with the first server
Receive the data acquisition instruction that the first server is sent.For the embodiment of the present invention, by being established with the first server
Long connection can guarantee the timeliness of data acquisition instruction transmission and increase the processing capacity of data acquisition instruction error of transmission.
402, long connection is established with second server.
It is big that volume of transmitted data can satisfy by establishing long connection with the second server for the embodiment of the present invention
Requirement, while can guarantee data transmission timeliness and increase data transmission fault processing capacity.
403, referred to by establishing long connection with the first server to the first server transmission data acquisition
Enable corresponding response success message.
Wherein, the response success message is connected with judging whether to establish with the second server for the client
It connects.Wherein, it is sent when the response success message web camera gets the data.Described respond successfully disappears
Breath is for notifying web camera described in client to establish connection with the second server.
Visitor can be guaranteed by sending the response success message to the first server for the embodiment of the present invention
Family end establishes connection with second server in time and obtains data, so as to avoid web camera from not having normal output data
When, client and second server carry out unnecessary connection.In addition, by establishing long connection, energy with the first server
Enough guarantee the timeliness of the response success message transmission.
For the embodiment of the present invention, step 403 is specifically as follows: the institute sent by HTTPS to the first server
It states data acquisition and instructs corresponding response success message.For the embodiment of the present invention, by sending institute to the first server
State response success message, it is ensured that the safety for responding successfully message transmitting procedure.
404, Xiang Suoshu second server sends the data.
Wherein, the data for the client to be exported.Wherein, the data with for the client into
Row output.The data that the data can be acquired in real time for web camera, or web camera acquisition it is default when
Between data in section, the embodiment of the present invention is without limitation.
Another data transmission method provided in an embodiment of the present invention, firstly, control instruction is sent to first by client
The control instruction is transmitted to web camera by the first server by server；Then, the web camera with
Second server establishes connection and sends data to the second server；Finally, the client and the second server
It establishes connection and receives the data that the web camera is exported by the second server.It is taken the photograph with current client to network
The data that the control instruction that camera is sent is sent with web camera to client carry out transmission phase by the same transmission channel
Than the control instruction that, the embodiment of the present invention forwards client to send to web camera by first server, and pass through the
The data that two servers forwarding web camera is sent to client, can be realized the control that client is sent to web camera
The data sent from web camera to client are instructed to be transmitted by different transmission channels, so as to avoid controlling
There is the case where transmission failure in instruction, and then can guarantee that client normal control web camera such as carries out data transmission at the behaviour
Make.
Further, the specific implementation as Fig. 1 the method, the embodiment of the invention provides a kind of clients, such as Fig. 5
Shown, the client includes: transmission unit 51, establishes unit 52, acquiring unit 53.
Transmission unit 51 can be used for sending data acquisition instruction to first server.
Further, so that first server instruction web camera and second server establish connection, the number
The web camera transmission data are used to indicate according to acquisition instruction.
Unit 52 is established, can be used for establishing connection with the second server.
Acquiring unit 53 can be used for obtaining the data of the web camera output from the second server.
It should be noted that other of each functional unit involved by a kind of client provided in an embodiment of the present invention are accordingly retouched
It states, can be with reference to the corresponding description in Fig. 1, details are not described herein.
A kind of client provided in an embodiment of the present invention is led to firstly, control instruction is sent to first server by client
It crosses the first server and the control instruction is transmitted to web camera；Then, the web camera and second service
Device establishes connection and sends data to the second server；Finally, the client and the second server establish connection
And receive the data that the web camera is exported by the second server.It is sent with current client to web camera
Control instruction compared with the data that web camera is sent to client carry out by the same transmission channel transmission, the present invention
The control instruction that embodiment forwards client to send to web camera by first server, and turned by second server
The data that hair web camera is sent to client, can be realized the control instruction and network that client is sent to web camera
The data that video camera is sent to client are transmitted by different transmission channels, are passed so as to avoid control instruction from existing
The case where defeated failure, and then can guarantee that client normal control web camera such as carries out data transmission at the operation.
Further, the specific implementation as Fig. 2 the method, the embodiment of the invention provides a kind of clients, such as Fig. 6
Shown, the client includes: transmission unit 61, establishes unit 62, acquiring unit 63.
Transmission unit 61 can be used for sending data acquisition instruction to first server.
Further, the data acquisition instruction may make the first server instruction web camera and second server
Connection is established, the data acquisition instruction is used to indicate the web camera transmission data.
Unit 62 is established, can be used for establishing connection with the second server.
Acquiring unit 63 can be used for obtaining the data of the web camera output from the second server.
The client further include: judging unit 64.
The judging unit 64 can be used for judging whether receiving the data acquisition of the first server forwarding
Corresponding response success message is instructed, the response success message is that the web camera gets the data acquisition instruction
When send.
It is described to establish unit 62, if the data acquisition that specifically can be used for receiving the first server forwarding refers to
Corresponding response success message is enabled, then establishes connection with the second server.
The transmission unit 61 specifically can be used for sending the data acquisition to the first server by HTTPS
Instruction.
The acquiring unit 63 specifically can be used for obtaining from the second server according to the encrypted institute of presetting rule
State the data of web camera output.
It is described to establish unit 62, it specifically can be also used for establishing long connection with the second server.
The transmission unit 61 specifically can be also used for by establishing long connection to described first with the first server
Server sends data acquisition instruction.
Wherein, the first server is service server, and the second server is Relay Server.
It should be noted that other of each functional unit involved by another kind client provided in an embodiment of the present invention are corresponding
Description, can be with reference to the corresponding description in Fig. 2, and details are not described herein.
Another kind client provided in an embodiment of the present invention, firstly, control instruction is sent to first server by client,
The control instruction is transmitted to web camera by the first server；Then, the web camera and the second clothes
Business device establishes connection and sends data to the second server；Finally, the client and the second server are established and are connected
Connect and receive the data that the web camera is exported by the second server.It is sent out with current client to web camera
The control instruction sent is compared with the data that web camera is sent to client carry out transmission by the same transmission channel, this hair
The control instruction that bright embodiment forwards client to send to web camera by first server, and pass through second server
The data that forwarding web camera is sent to client, can be realized the control instruction and net that client is sent to web camera
The data that network video camera is sent to client are transmitted by different transmission channels, so as to avoid control instruction from existing
The case where transmission failure, and then can guarantee that client normal control web camera such as carries out data transmission at the operation.
Further, the specific implementation as Fig. 3 the method, the embodiment of the invention provides a kind of web camera,
As shown in fig. 7, the web camera includes: receiving unit 71, unit 72, transmission unit 73 are established.
Receiving unit 71 can be used for receiving the data acquisition instruction of first server transmission, the data acquisition instruction
It is used to indicate web camera transmission data.
Unit 72 is established, can be used for establishing connection with second server.
Transmission unit 73 can be used for sending the data to the second server, and the data are used for by the visitor
Family end is obtained and is exported.
It should be noted that other phases of each functional unit involved by a kind of web camera provided in an embodiment of the present invention
It should describe, can be with reference to the corresponding description in Fig. 3, details are not described herein.
A kind of web camera provided in an embodiment of the present invention, firstly, control instruction is sent to first service by client
The control instruction is transmitted to web camera by the first server by device；Then, the web camera and second
Server establishes connection and sends data to the second server；Finally, the client and the second server are established
Connect and receive the data that the web camera is exported by the second server.With current client to web camera
The control instruction of transmission is compared with the data that web camera is sent to client carry out transmission by the same transmission channel, originally
The control instruction that inventive embodiments forward client to send to web camera by first server, and pass through second service
The data that are sent to client of device forwarding web camera, can be realized control instruction that client is sent to web camera and
The data that web camera is sent to client are transmitted by different transmission channels, so as to avoid control instruction from depositing
The case where transmitting failure, and then it can guarantee that client normal control web camera such as carries out data transmission at the operation.
Further, the specific implementation as Fig. 4 the method, the embodiment of the invention provides another network shootings
Machine establishes unit 82, transmission unit 83 as shown in figure 8, the web camera includes: receiving unit 81.
Receiving unit 81 can be used for receiving the data acquisition instruction of first server transmission, the data acquisition instruction
It is used to indicate web camera transmission data.
Unit 82 is established, can be used for establishing connection with second server and obtains data.
Transmission unit 83 can be used for sending the data to the second server, and the data are used for by the visitor
Family end is obtained and is exported.
The receiving unit 81 specifically can be used for receiving the data acquisition that the first server is sent by HTTPS
Instruction.
The receiving unit 81, specifically can be also used for receiving the first server by HTTPS send according to pre-
Set the encrypted data acquisition instruction of rule.
The transmission unit 83 can be also used for by establishing long connection to the first service with the first server
Device sends the data acquisition and instructs corresponding response success message, and the response success message for the client to judge
Whether with the second server connection is established.
The transmission unit 83 specifically can be used for obtaining by the data that HTTPS is sent to the first server
The corresponding response success message of instruction fetch.
It is described to establish unit 83, it specifically can be used for establishing long connection with the second server.
The receiving unit 81 specifically can be also used for receiving described the by establishing long connection with the first server
One server is by establishing the data acquisition instruction that long connection is sent.
Wherein, the first server is service server, and the second server is Relay Server.
It should be noted that other of each functional unit involved by another kind web camera provided in an embodiment of the present invention
Corresponding description, can be with reference to the corresponding description in Fig. 4, and details are not described herein.
Another kind web camera provided in an embodiment of the present invention, firstly, control instruction is sent to the first clothes by client
Business device, is transmitted to web camera for the control instruction by the first server；Then, the web camera and
Two servers establish connection and send data to the second server；Finally, the client is built with the second server
It is vertical to connect and receive the data that the web camera is exported by the second server.With current client to network shooting
The control instruction that machine is sent compared with the data that web camera is sent to client carry out by the same transmission channel transmitting,
The control instruction that the embodiment of the present invention forwards client to send to web camera by first server, and pass through the second clothes
The data that business device forwarding web camera is sent to client, can be realized the control instruction that client is sent to web camera
The data sent from web camera to client are transmitted by different transmission channels, so as to avoid control instruction
The case where in the presence of transmission failure, and then can guarantee that client normal control web camera such as carries out data transmission at the operation.
Further, the embodiment of the invention provides a kind of data transmission systems, as shown in figure 9, the system comprises: visitor
Family end 91, service server 92, web camera 93, Relay Server 94.
Client 91 can be used for sending data acquisition instruction to service server 92.
Service server 92 can be used for sending the data acquisition instruction to web camera 93.
Web camera 93 can be used for establishing connection with Relay Server 94 and send number to the Relay Server 94
According to.
The service server 92 can be also used for receiving the data acquisition instruction that the web camera 93 is sent
Corresponding response success message and the corresponding response success message of data acquisition instruction sent to the client 91.
The Relay Server 94 can be also used for establishing connection with the client 91 and send to the client 91
The data.
For the embodiment of the present invention, signal server can also be increased in above-mentioned data transmission system, at this point it is possible to as schemed
Shown in 10, the system comprises client 1001, service server 1002, signal server 1003, web camera 1004,
Relay Server 1005.
Client 1001 can be used for sending data acquisition instruction to service server 1002.
Service server 1002 can be used for sending the data acquisition instruction to signal server 1003.
Signal server 1003 can be used for sending the data acquisition signaling to web camera 1004.
Web camera 1004 can be used for establishing connection with Relay Server 1005 and to the Relay Server 1005
Send data.
The service server 1002 can be also used for receiving the data acquisition that the web camera 1004 is sent
It instructs corresponding response success message and the data acquisition sent to the signal server 1003 instructs corresponding response
Success message.
The signal server 1003 can be also used for the data acquisition instruction pair sent to the client 1001
The response success message answered.
The Relay Server 1005 can be also used for establishing connection with the client 1001 and to the client
1001 send the data.
Data transmission system provided in an embodiment of the present invention, firstly, control instruction is sent to first server by client,
The control instruction is transmitted to web camera by the first server；Then, the web camera and the second clothes
Business device establishes connection and sends data to the second server；Finally, the client and the second server are established and are connected
Connect and receive the data that the web camera is exported by the second server.It is sent out with current client to web camera
The control instruction sent is compared with the data that web camera is sent to client carry out transmission by the same transmission channel, this hair
The control instruction that bright embodiment forwards client to send to web camera by first server, and pass through second server
The data that forwarding web camera is sent to client, can be realized the control instruction and net that client is sent to web camera
The data that network video camera is sent to client are transmitted by different transmission channels, so as to avoid control instruction from existing
The case where transmission failure, and then can guarantee that client normal control web camera such as carries out data transmission at the operation.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
It is understood that the correlated characteristic in the above method and device can be referred to mutually.In addition, in above-described embodiment
" first ", " second " etc. be and not represent the superiority and inferiority of each embodiment for distinguishing each embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize data transmission method according to an embodiment of the present invention, network shooting
The some or all functions of some or all components in machine, client and data transmission system.The present invention can also be real
Now for for executing some or all device or device programs of method as described herein (for example, computer journey
Sequence and computer program product).It is such to realize that program of the invention can store on a computer-readable medium, or can be with
In the form of one or more signals.Such signal can be downloaded from an internet website to obtain, or believe in carrier
It provides, or is provided in any other form on number.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" or " comprising " are not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more
A such element.The present invention can be by means of including the hardware of several different elements and by means of properly programmed calculating
Machine is realized.In the unit claims listing several devices, several in these devices can be by same
Hardware branch embodies.The use of word first, second, and third does not indicate any sequence.It can be by these word solutions
It is interpreted as title.
Claims (27)
1. a kind of data transmission method is applied to a client characterized by comprising
Data acquisition instruction is sent to first server, so that first server instruction web camera and second service
Device establishes connection, and the data acquisition instruction is used to indicate the web camera transmission data；
Connection is established with the second server；
The data that the web camera exports are obtained from the second server；
The first server is service server, and service server is for listening in computer communication network from calculating passenger
The service request at family end or client mobile communication end, and service request is responded and handled；
The second server is Relay Server, for forwarding the net in the corresponding internet of the web camera
Network video camera is sent to the data of the client；
The transmission of the data acquisition instruction is carried out by the service server, and by described in Relay Server progress
The transmission of data, to avoid the transmission for carrying out the data acquisition instruction and the data by a transmission channel.
2. data transmission method according to claim 1, which is characterized in that described to establish connection with the second server
The step of before, the method further includes:
Judge whether that the data acquisition for receiving the first server forwarding instructs corresponding response success message, it is described
The response success message web camera is sent when getting data acquisition instruction；
Described the step of establishing connection with the second server, further comprises:
If the data acquisition for receiving first server forwarding instructs corresponding response success message, with described the
Two servers establish connection.
3. data transmission method according to claim 1, which is characterized in that described to send data acquisition to first server
The step of instruction, further comprises:
The data acquisition instruction is sent to the first server by hypertext Encryption Transmission Protocol HTTPS.
4. data transmission method according to claim 1, which is characterized in that described from described in second server acquisition
The step of data of web camera output, further comprises:
The data exported according to the encrypted web camera of presetting rule are obtained from the second server.
5. data transmission method according to claim 1, which is characterized in that described to establish connection with the second server
The step of further comprise:
Long connection is established with the second server.
6. data transmission method according to claim 1, which is characterized in that described to send data acquisition to first server
The step of instruction, further comprises:
Data acquisition instruction is sent to the first server by establishing long connection with the first server.
7. a kind of data transmission method is applied to a web camera characterized by comprising
The data acquisition instruction that first server is sent is received, the data acquisition instruction is used to indicate the web camera and passes
Transmission of data；
Connection is established with second server；
The data are sent to the second server, the data are for being obtained and being exported by client；
The first server is service server, and service server is for listening in computer communication network from calculating passenger
The service request at family end or client mobile communication end, and service request is responded and handled；
The second server is Relay Server, for forwarding the net in the corresponding internet of the web camera
Network video camera is sent to the data of the client；
The transmission of the data acquisition instruction is carried out by the service server, and by described in Relay Server progress
The transmission of data, to avoid the transmission for carrying out the data acquisition instruction and the data by a transmission channel.
8. data transmission method according to claim 7, which is characterized in that the data for receiving first server and sending
The step of acquisition instruction, further comprises:
Receive the data acquisition instruction that the first server is sent by hypertext Encryption Transmission Protocol HTTPS.
9. data transmission method according to claim 8, which is characterized in that described to receive the first server by surpassing
The step of data acquisition instruction that text encryption transport protocol HTTPS is sent, further comprises:
The first server is received to instruct by what HTTPS was sent according to the encrypted data acquisition of presetting rule.
10. data transmission method according to claim 8, which is characterized in that described to establish connection simultaneously with second server
After the step of obtaining data, further includes:
It is corresponding to the first server transmission data acquisition instruction by establishing long connection with the first server
Success message is responded, the response success message judges whether to establish connection with the second server for the client.
11. data transmission method according to claim 10, which is characterized in that it is described to the first server send
The step of data acquisition instruction corresponding response success message, further comprises:
The data acquisition, which is sent, to the first server by HTTPS instructs corresponding response success message.
12. according to the described in any item data transmission methods of claim 7-11, which is characterized in that the described and second service
Device establishes the step of connection and further comprises:
Long connection is established with the second server.
13. data transmission method according to claim 7, which is characterized in that the number for receiving first server and sending
Further comprise according to the step of acquisition instruction:
It is instructed by establishing the data acquisition that the long connection reception first server is sent with the first server.
14. a kind of client characterized by comprising
Transmission unit, for sending data acquisition instruction to first server, so that first server instruction network is taken the photograph
Camera and second server establish connection, and the data acquisition instruction is used to indicate the web camera transmission data；
Unit is established, for establishing connection with the second server；
Acquiring unit, for obtaining the data that the web camera exports from the second server；
The first server is service server, and service server is for listening in computer communication network from calculating passenger
The service request at family end or client mobile communication end, and service request is responded and handled；
The second server is Relay Server, for forwarding the net in the corresponding internet of the web camera
Network video camera is sent to the data of the client；
The transmission of the data acquisition instruction is carried out by the service server, and by described in Relay Server progress
The transmission of data, to avoid the transmission for carrying out the data acquisition instruction and the data by a transmission channel.
15. client according to claim 14, which is characterized in that the client further comprises: judging unit,
The judging unit, for judging whether that the data acquisition instruction for receiving the first server forwarding is corresponding
Success message is responded, the response success message web camera is sent when getting data acquisition instruction；
It is described to establish unit, if instructing corresponding sound specifically for the data acquisition for receiving the first server forwarding
Success message is answered, then establishes connection with the second server.
16. client according to claim 14, which is characterized in that
The transmission unit is specifically used for through hypertext Encryption Transmission Protocol HTTPS to described in first server transmission
Data acquisition instruction.
17. client according to claim 14, which is characterized in that
The acquiring unit is specifically used for obtaining from the second server according to the encrypted network shooting of presetting rule
The data of machine output.
18. client according to claim 14, which is characterized in that
It is described to establish unit, it is specifically also used to establish long connection with the second server.
19. client according to claim 14, which is characterized in that
The transmission unit is specifically also used to send by establishing long connection with the first server to the first server
Data acquisition instruction.
20. a kind of web camera characterized by comprising
Receiving unit, for receiving the data acquisition instruction of first server transmission, the data acquisition instruction is used to indicate net
Network camera transmissions data；
Unit is established, for establishing connection with second server；
Transmission unit, for sending the data to the second server, the data by client for being obtained simultaneously
Output；
The first server is service server, and service server is for listening in computer communication network from calculating passenger
The service request at family end or client mobile communication end, and service request is responded and handled；
The second server is Relay Server, for forwarding the net in the corresponding internet of the web camera
Network video camera is sent to the data of the client；
The transmission of the data acquisition instruction is carried out by the service server, and by described in Relay Server progress
The transmission of data, to avoid the transmission for carrying out the data acquisition instruction and the data by a transmission channel.
21. web camera according to claim 20, which is characterized in that
The receiving unit passes through hypertext Encryption Transmission Protocol HTTPS transmission specifically for receiving the first server
Data acquisition instruction.
22. web camera according to claim 20, which is characterized in that
The receiving unit is specifically also used to receive the first server and is encrypted by what HTTPS was sent according to presetting rule
Data acquisition instruction afterwards.
23. web camera according to claim 20, which is characterized in that
The transmission unit is also used to by establishing long connection to described in first server transmission with the first server
Data acquisition instructs corresponding response success message, and the response success message is used for the client and judges whether and described the
Two servers establish connection.
24. web camera according to claim 23, which is characterized in that
The transmission unit is corresponded to specifically for the data acquisition instruction sent by HTTPS to the first server
Response success message.
25. web camera according to claim 20, which is characterized in that
It is described to establish unit, it is specifically used for establishing long connection with the second server.
26. web camera according to claim 20, which is characterized in that
The receiving unit is specifically also used to logical by establishing the long connection reception first server with the first server
It crosses and establishes the data acquisition instruction that long connection is sent.
27. a kind of data transmission system characterized by comprising client described in claim 14-19, claim 20-
Web camera described in 26, service server, Relay Server,
The service server, for receiving the data acquisition instruction of the client transmission and being sent to the web camera
The data acquisition instruction；
The Relay Server, for establishing connection with the web camera and receiving the number that the web camera sends
According to；
The service server is also used to receive the data acquisition that the web camera is sent and instructs corresponding respond into
Function message and the corresponding response success message of data acquisition instruction sent to the client；
The Relay Server is also used to establish connection with the client and sends the data to the client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583844.8A CN105187796B (en) | 2015-09-14 | 2015-09-14 | A data transmission method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583844.8A CN105187796B (en) | 2015-09-14 | 2015-09-14 | A data transmission method, device and system |
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| CN105187796A CN105187796A (en) | 2015-12-23 |
| CN105187796B true CN105187796B (en) | 2019-06-21 |
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| CN201510583844.8A Active CN105187796B (en) | 2015-09-14 | 2015-09-14 | A data transmission method, device and system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191122B (en) * | 2018-08-10 | 2023-06-20 | 中国银行股份有限公司 | Method and device for acquiring transaction information certificate |
| CN110191322B (en) * | 2019-06-05 | 2021-06-22 | 重庆两江新区管理委员会 | Video monitoring method for sharing early warning |
| CN112217862A (en) * | 2020-09-03 | 2021-01-12 | 视联动力信息技术股份有限公司 | Data communication method, device, terminal equipment and storage medium |
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