CN114301885A - Data transmission method, device and system - Google Patents
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- CN114301885A CN114301885A CN202111514878.3A CN202111514878A CN114301885A CN 114301885 A CN114301885 A CN 114301885A CN 202111514878 A CN202111514878 A CN 202111514878A CN 114301885 A CN114301885 A CN 114301885A
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Abstract
The application discloses a data transmission method, wherein the method comprises the following steps: receiving data sent by a sending end; the following steps are carried out within a preset time: detecting whether the data reception is finished or not, if not, continuing to receive the data, if so, detecting whether the data is read, and if the data is in a read state, generating and sending a read signal to a sending end. This application makes the user of sending end can know the receiving terminal and whether read data, has improved the practicality that data transmission confirmed the state of having read, need not repeat and predetermine when the authority length, and convenient operation, when exceeding the authority length, the unable perception receiving terminal of sending end state of having read improves the privacy of receiving terminal.
Description
Technical Field
The present application relates to the field of multimedia communications, and in particular, to a data transmission method, apparatus, and system.
Background
Data transmission is the process of transferring data between a data source and a data sink over one or more links in accordance with an appropriate procedure. Particularly, the content of multimedia data transmission includes audio, video, pictures, and the like, and the audio, video, pictures, and the like are processed and then transmitted from the transmitting end to the receiving end, so that data sharing is realized. In the related art of multimedia data transmission, after the multimedia data transmission is finished, the sender cannot know whether the receiver has read the information in time. In order to solve the problem, the related technology adopts the read receipt technology, which mainly comprises prompting the sender to request to send the read receipt, confirming whether the opposite side receives the mail if the opposite side agrees to send the receipt, and acquiring the time for the opposite side to read the mail. However, when the technology is applied to multimedia data transmission, the sending end needs to select the read receipt function to send before sending data each time, and the receiving end needs to select whether to perform the receipt after checking the multimedia information, so that both parties need to perform complicated operation steps when the data transmission performs the read receipt, the practicability is low, the data transmission limitation is large, and the privacy protection is not facilitated.
Therefore, the above technical problems of the related art need to be solved.
Disclosure of Invention
The present application is directed to solving one of the technical problems in the related art. Therefore, the embodiment of the application provides a data transmission method, device and system, which can preset the read permission in the data transmission process and simplify the complexity of data transmission.
According to an aspect of an embodiment of the present application, there is provided a data transmission method, including:
receiving data sent by a sending end;
the following steps are carried out within a preset time:
detecting whether the data reception is finished or not, if not, continuing to receive the data, if so, detecting whether the data is read, and if the data is in a read state, generating and sending a read signal to a sending end.
In one embodiment, the detecting whether the receiving of the data has ended includes:
detecting a data transmission completion signal, wherein the data transmission completion signal is a data completion signal sent by the receiving and sending end;
and if the data transmission completion signal is detected, determining that the data reception is completed.
In one embodiment, the detecting whether the data has been read includes:
acquiring the time for reading the data for the last time;
establishing a timestamp according to the time of reading the data for the last time;
and detecting whether the time stamp is changed or not, and if the time stamp is changed, determining that the data is read.
In one embodiment, the method comprises:
and if the data sent by the sending end is preset important data, the read signal is not sent to the sending end after the preset time is exceeded, wherein the preset important data is data containing preset information.
In one embodiment, the sending the read signal to the sending end includes:
configuring read permission, wherein the read permission comprises permission of sending a read signal to a sending end;
and sending the read signal to the sending end.
In one embodiment, the receiving data sent by a sending end includes:
configuring transmission authority, wherein the transmission authority comprises the authority whether data transmission can be carried out between a receiving end and a sending end;
and receiving the data sent by the sending end.
According to an aspect of an embodiment of the present application, there is provided a data transmission apparatus, including:
the first module is used for receiving data sent by a sending end;
a second module for performing the following steps within a preset time:
a third module, configured to detect whether receiving of the data is finished, if not, continue receiving the data, and if the receiving of the data is finished, detect whether the data has been read, and if the data is in a read state, generate and send a read signal to the sending end.
According to an aspect of an embodiment of the present application, there is provided a data transmission apparatus, including:
at least one processor;
at least one memory for storing at least one program;
at least one of the programs, when executed by at least one of the processors, implements a data transmission method as described in the previous embodiments.
According to an aspect of an embodiment of the present application, there is provided a data transmission system, including:
the transmitting end is used for transmitting data needing to be transmitted;
the receiving end is used for receiving the data sent by the sending end;
the transmitting terminal comprises a transmitting link establishing unit, a receiving terminal and a transmitting link establishing unit, wherein the transmitting link establishing unit is used for establishing a transmitting link between the transmitting terminal and the receiving terminal, and the transmitting link is used for transmitting data between the transmitting terminal and the receiving terminal;
the read permission presetting unit is used for configuring read permission according to the transmission link established by the transmission link establishing unit, and sending a read signal to a sending end according to the read permission after detecting the read signal, wherein the read signal comprises the read data sent by the sending end, and the read permission comprises the permission of sending the read signal to the sending end;
and the data transmission unit is used for transmitting the data of the sending end to the receiving end through the transmission link, and feeding back a data transmission completion signal to the read permission presetting unit after the transmission is finished.
According to an aspect of the embodiments of the present application, there is provided a storage medium storing a program executable by a processor, the program executable by the processor implementing the data transmission method according to the foregoing embodiments when executed by the processor.
The data transmission method provided by the embodiment of the application has the beneficial effects that: according to the method, the following steps are carried out within the preset time by receiving the data sent by the sending end: whether the data reception is finished or not is detected, if not, the data reception is continued, if the data reception is finished, whether the data is read or not is detected, if the data is read, a read signal is sent to the sending end, so that a user of the sending end can know whether the data is read or not at the receiving end, the practicability of confirming the read state in data transmission is improved, repeated presetting within the time length of the authority is not needed, the operation is convenient, and when the time length of the authority is exceeded, the sending end cannot sense the read state of the receiving end, so that the privacy of the receiving end is improved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a data transmission method according to an embodiment of the present application;
fig. 2 is a flowchart for detecting whether the data has been read according to an embodiment of the present application;
fig. 3 is a schematic diagram of a data transmission system according to an embodiment of the present application;
fig. 4 is a schematic diagram of an operating process of a data transmission method according to an embodiment of the present application;
fig. 5 is a schematic diagram of a data transmission apparatus according to an embodiment of the present application;
fig. 6 is another schematic diagram of a data transmission device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Data transmission is the process of transferring data between a data source and a data sink over one or more links in accordance with an appropriate procedure. Particularly, the content of multimedia data transmission includes audio, video, pictures, and the like, and the audio, video, pictures, and the like are processed and then transmitted from the transmitting end to the receiving end, so that data sharing is realized. In the related art of multimedia data transmission, after the multimedia data transmission is finished, the sender cannot know whether the receiver has read the information in time. In order to solve the problem, the related technology adopts the read receipt technology, which mainly comprises prompting the sender to request to send the read receipt, confirming whether the opposite side receives the mail if the opposite side agrees to send the receipt, and acquiring the time for the opposite side to read the mail. However, when the technology is applied to multimedia data transmission, the sending end needs to select the read receipt function to send before sending data each time, and the receiving end needs to select whether to perform the receipt after checking the multimedia information, so that both parties need to perform complicated operation steps when the read receipt is performed in data transmission, the practicability is low, the limitation of data transmission is large, and the protection of privacy is not facilitated.
In order to solve the above problems, the present application provides a data transmission method, device and system.
As shown in fig. 1, the data transmission method proposed by the present application includes:
s101, receiving data sent by a sending end.
In step S101, receiving data sent by a sending end is a data transmission process. Data transmission refers to a process of transmitting data between a data source and a data sink through one or more links according to a proper procedure, and particularly, the content of multimedia data transmission includes audio, video, pictures and the like, and the audio, video, pictures and the like are transmitted from a transmitting end to a receiving end after being processed, so that data sharing is realized. In this embodiment, receiving data sent by the sender is implemented by a transmission link spanned between the sender and the receiver. A transmission link is a channel like a channel in communication, which is a communication channel existing between a transmitting end and a receiving end.
Specifically, the method for receiving data sent by the sending end in this step includes: and configuring transmission authority, and receiving data sent by a sending end, wherein the transmission authority comprises the authority whether data transmission can be carried out between the receiving end and the sending end. It should be noted that the transmission right in this embodiment is a right of whether data transmission can be performed between the receiving end and the sending end, when the transmission right is configured, data transmission can be performed between the sending end and the output end, and when the receiving end or the sending end does not have the transmission right, the sending end cannot perform data transmission or the receiving end cannot perform data reception even though there is a transmission link.
The following steps are carried out within a preset time:
s102, detecting whether the data receiving is finished or not.
Specifically, the method for detecting whether the receiving of the data is finished in step S102 includes: and detecting a data transmission completion signal, wherein the data transmission completion signal is a signal for completing data transmitted by the receiving and transmitting end, and if the data transmission completion signal is detected, determining that the data is received.
S103, if the data receiving is not finished, the data continues to be received.
In this embodiment, the data transmission is not completed when the data transmission is not completed, so that the data reading cannot be directly performed at this time, the data needs to be continuously received, and the receiving end performs the data reading after the data transmission is completed.
And S104, if the data reception is finished, detecting whether the data is read.
And S105, if the data is read, sending a read signal to a sending end.
The method of transmitting the read signal to the transmitting end in step S105 may include: and configuring read permission and sending the read signal to a sending end, wherein the read permission comprises permission of sending the read signal to the sending end. It should be noted that, in this embodiment, the transmission right and the read right are included, the transmission right is whether data transmission can be performed between the receiving end and the sending end, and the read right is whether the read state of the sending end is fed back to the receiving end, so that a user of the receiving end can preset the data right range of the sending end through the right design module, configure the right according to selection of the user, and configure the transmission right and the read right at the same time if the receiving end trusts the sending end, so that the read state can be fed back to the sending end through the information receipt model, otherwise, only configure the transmission right, and not configure the read right, so that data can be transmitted only at the sending end and the receiving end without subsequent steps. Through the double-right limitation (namely the coexistence of the transmission right and the read right) adopted by the method, the flow steps of configuring the right for each data transmission can be reduced, the flow of the data transmission is simplified, and the efficiency of the data transmission is effectively improved.
In this embodiment, the read signal includes that the data sent by the sending end is read. The read signal is triggered by the event that the data is read, and the read signal is sent to the sending end. After receiving the read signal, the sending end can know that the receiving end has read the transmitted data, and the transmission of the reading state of the receiving end is realized.
In this embodiment, by receiving data sent by a sending end, the following steps are performed within a preset time: whether the data reception is finished or not is detected, if not, the data reception is continued, if the data reception is finished, whether the data is read or not is detected, if the data is read, a read signal is sent to the sending end, so that a user of the sending end can know whether the data is read or not at the receiving end, the practicability of confirming the read state in data transmission is improved, repeated presetting within the time length of the authority is not needed, the operation is convenient, and when the time length of the authority is exceeded, the sending end cannot sense the read state of the receiving end, and the privacy of the receiving end is ensured.
Optionally, as shown in fig. 2, the method for detecting whether the data has been read in the foregoing embodiment specifically includes:
s201, acquiring the time for reading the data for the last time.
S202, establishing a time stamp according to the time of reading the data for the last time.
S203, detecting whether the time stamp changes or not, and if the time stamp changes, determining that the data is read.
It should be noted that the timestamp in this embodiment is data generated by using a digital signature technology, a signed object includes information such as original file information, signature parameters, and signature time, and a corresponding timestamp system is used to generate and manage a timestamp, and a digital signature is performed on the signed object to generate a timestamp, so as to prove that the original file exists before the signature time. In this embodiment, therefore, the time stamp is established by the time stamp system at the receiving end based on the time of the last reading of the data. The effect of this embodiment lies in, whether the data has been read is detected through the timestamp, because the timestamp system has very high security level, and the security protection has included physical environment safety and software security, therefore it has higher security to obtain the information whether data has been read through this embodiment, can protect user's privacy (including the privacy whether the information has been read) better, namely the information that the sending end transmitted only can obtain the state of having read, other main parts or server etc. can not obtain the state of having read of information, have protected user's privacy.
In addition, the embodiment further includes a scheme of presetting time, which is specifically as follows: and if the data sent by the sending end is preset important data, the read signal is not sent to the sending end after the preset time is exceeded, wherein the preset important data is data containing preset information. The sending end can receive the read state of the receiving end to the information (or data) in the preset time, otherwise, the sending end cannot receive the information (or data); specifically, when specific multimedia data are transmitted, the perception of some important information or work communication is facilitated, the read state of the receiving end of the sending end can be perceived in the preset time (within the working time), the practicability is improved, repeated presetting in the preset time is not needed, the operation is convenient, when the preset time is exceeded (not within the working time), the read state of the receiving end can not be perceived by the sending end, and the privacy of the receiving end is guaranteed.
In addition, the present application also provides a data transmission system, as shown in fig. 3, the data transmission system provided in the present application includes:
the transmitting end 301 is configured to transmit data to be transmitted.
The receiving end 302 is configured to receive data sent by the sending end.
A transmission link establishing unit 3021, configured to establish a transmission link between the sending end and the receiving end, where the transmission link is used for data transmission between the sending end and the receiving end.
A read permission presetting unit 3022, configured to configure read permission according to the transmission link established by the transmission link establishing unit, and send a read signal to a sending end according to the read permission after detecting the read signal, where the read signal includes that data sent by the sending end has been read, and the read permission includes permission to send the read signal to the sending end.
And the data transmission unit 3023 is configured to transmit data from the transmitting end to the receiving end through the transmission link, and feed back a data transmission completion signal to the read permission presetting unit after transmission is completed.
To more clearly illustrate the working process of the data transmission system provided in this embodiment, as shown in fig. 4, the working process of the data transmission system provided in this embodiment is specifically as follows:
the read permission presetting unit comprises a permission design module, a duration presetting module, a state detection module and an information receipt module; the authority design module is used for configuring authority at the receiving end and selecting a data authority range between the receiving end and the sending end; the data authority range comprises a transmission authority and a read authority, the transmission authority is whether data transmission can be carried out between a receiving end and a sending end, the read authority is whether the read state of the sending end is fed back to the receiving end, therefore, a user of the receiving end can preset the data authority range of the sending end through an authority design module, the authority is configured according to selection of the user, if the receiving end trusts the sending end, the transmission authority and the read authority are configured at the same time, the read state can be fed back to the sending end through an information receipt model, otherwise, only the transmission authority is configured, the read authority is not configured, data can be transmitted only at the sending end and the receiving end, and no subsequent step exists; the time length presetting module is used for receiving a signal of the read permission configured by the permission design module, presetting the permission time length, and enabling the sending end to receive the read state of the receiving end within the preset permission time length, otherwise, the sending end cannot receive the read state.
Specifically, when specific multimedia data are transmitted, the perception of some important information or work exchange is facilitated, the read state of the receiving end is sensed by the sending end in the time length of the authority (in the working time), the practicability is improved, repeated presetting in the time length of the authority is not needed, the operation is convenient, the read state of the receiving end cannot be sensed by the sending end in the time length exceeding the authority (out of the working time), and the privacy of the receiving end is guaranteed.
The state detection module is used for detecting the read state of the data of the receiving end. Specifically, the state detection module comprises the following steps: identifying the time when the receiving end reads the message of the sending end for the last time, and establishing a timestamp; and transmitting data to a receiving end at the transmitting end, enabling the receiving end to be online, clicking to check the data of the transmitting end to change the timestamp, and triggering the read signal.
The information receipt module is used for receiving the read state detection result of the state detection module and feeding back the read signal to the sending end when receiving the read signal.
In summary, the read permission presetting unit includes the following gestures:
and in the first posture, the receiving end only configures transmission authority between the authority design module and the sending end, the sending end transmits the multimedia data to the receiving end, the receiving end receives the information of the sending end, and the program is ended.
And secondly, configuring transmission authority and read authority between the authority design module and the sending terminal by the receiving terminal, setting authority duration through a duration presetting module, detecting the read state of the receiving terminal through a state detection module in the authority duration range, sending a read signal to the sending terminal by an information receipt module when the read signal is triggered, and changing the unread message of the sending terminal into read.
Referring to fig. 5, an embodiment of the present invention further provides a data transmission apparatus, including:
a first module 501, configured to receive data sent by a sending end.
A second module 502, configured to perform the following steps within a preset time.
A third module 503, configured to detect whether receiving of the data is finished, if not, continue to receive the data, if receiving of the data is finished, detect whether the data has been read, and if the data has been read, send a read signal to a sending end, where the read signal includes that the data sent by the sending end has been read.
It can be seen that the contents in the foregoing method embodiments are all applicable to this apparatus embodiment, the functions specifically implemented by this apparatus embodiment are the same as those in the foregoing method embodiment, and the advantageous effects achieved by this apparatus embodiment are also the same as those achieved by the foregoing method embodiment.
Referring to fig. 6, an embodiment of the present application provides a data transmission apparatus, including:
at least one processor 601;
at least one memory 602 for storing at least one program;
the at least one program, when executed by the at least one processor 601, causes the at least one processor 601 to implement a data transmission method of the foregoing embodiments.
Similarly, the contents of the method embodiments are all applicable to the apparatus embodiments, the functions specifically implemented by the apparatus embodiments are the same as the method embodiments, and the beneficial effects achieved by the apparatus embodiments are also the same as the beneficial effects achieved by the method embodiments.
An embodiment of the present invention further provides a storage medium, which stores a program, and the program is used to implement the data transmission method of the foregoing embodiment when executed by a processor.
The contents in the above method embodiments are all applicable to the present storage medium embodiment, and the functions implemented in the present storage medium embodiment are the same as those in the above method embodiments.
Similarly, the contents in the foregoing method embodiments are all applicable to this storage medium embodiment, the functions specifically implemented by this storage medium embodiment are the same as those in the foregoing method embodiments, and the advantageous effects achieved by this storage medium embodiment are also the same as those achieved by the foregoing method embodiments.
In alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flowcharts of the present application are provided by way of example in order to provide a more thorough understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are performed independently.
Furthermore, although the present application is described in the context of functional modules, it should be understood that, unless otherwise stated to the contrary, one or more of the functions and/or features may be integrated in a single physical device and/or software module, or one or more functions and/or features may be implemented in separate physical devices or software modules. It will also be appreciated that a detailed discussion regarding the actual implementation of each module is not necessary for an understanding of the present application. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be understood within the ordinary skill of an engineer, given the nature, function, and internal relationship of the modules. Accordingly, those skilled in the art can, using ordinary skill, practice the present application as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative of and not intended to limit the scope of the application, which is defined by the appended claims and their full scope of equivalents.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the foregoing description of the specification, reference to the description of "one embodiment/example," "another embodiment/example," or "certain embodiments/examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A method of data transmission, the method comprising:
receiving data sent by a sending end;
the following steps are carried out within a preset time:
detecting whether the data reception is finished or not, if not, continuing to receive the data, if so, detecting whether the data is in a read state, and if so, generating and sending a read signal to a sending end.
2. A data transmission method according to claim 1, wherein said detecting whether reception of said data has ended comprises:
detecting a data transmission completion signal, wherein the data transmission completion signal is a signal that the receiving of the data is completed;
and if the data transmission completion signal is detected, determining that the data reception is completed.
3. A data transmission method according to claim 1, wherein said detecting whether said data has been read comprises:
acquiring the time for reading the data for the last time;
establishing a timestamp according to the time of reading the data for the last time;
and detecting whether the time stamp is changed or not, and if the time stamp is changed, determining that the data is read.
4. A data transmission method according to claim 1, characterized in that the method comprises:
and if the data sent by the sending end is preset important data, the read signal is not sent to the sending end after the preset time is exceeded, wherein the preset important data is data containing preset information.
5. The data transmission method of claim 1, wherein the sending the read signal to the sending end comprises:
configuring read permission, wherein the read permission comprises permission of sending a read signal to a sending end;
and sending the read signal to the sending end.
6. The data transmission method according to claim 1, wherein the receiving the data sent by the sending end includes:
configuring transmission authority, wherein the transmission authority comprises the authority whether data transmission can be carried out between a receiving end and a sending end;
and receiving the data sent by the sending end.
7. A data transmission apparatus, characterized in that the apparatus comprises:
the first module is used for receiving data sent by a sending end;
a second module for performing the following steps within a preset time:
a third module, configured to detect whether receiving of the data is finished, if not, continue receiving the data, and if the receiving of the data is finished, detect whether the data has been read, and if the data is in a read state, generate and send a read signal to the sending end.
8. A data transmission apparatus, characterized in that the apparatus comprises:
at least one processor;
at least one memory for storing at least one program;
the data transmission method according to any one of claims 1-6, when at least one of said programs is executed by at least one of said processors.
9. A data transmission system, the system comprising:
the transmitting end is used for transmitting data needing to be transmitted;
the receiving end is used for receiving the data sent by the sending end;
the transmitting terminal comprises a transmitting link establishing unit, a receiving terminal and a transmitting link establishing unit, wherein the transmitting link establishing unit is used for establishing a transmitting link between the transmitting terminal and the receiving terminal, and the transmitting link is used for transmitting data between the transmitting terminal and the receiving terminal;
the read permission presetting unit is used for configuring read permission according to the transmission link established by the transmission link establishing unit, and sending a read signal to a sending end according to the read permission after detecting the read signal, wherein the read signal comprises the read data sent by the sending end, and the read permission comprises the permission of sending the read signal to the sending end;
and the data transmission unit is used for transmitting the data of the sending end to the receiving end through the transmission link, and feeding back a data transmission completion signal to the read permission presetting unit after the transmission is finished.
10. A storage medium storing a program executable by a processor, the program being executed by the processor to implement the data transmission method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514878.3A CN114301885B (en) | 2021-12-13 | 2021-12-13 | Data transmission method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514878.3A CN114301885B (en) | 2021-12-13 | 2021-12-13 | Data transmission method, device and system |
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