CN110868459B - Data transmission method, device, terminal and storage medium - Google Patents
Data transmission method, device, terminal and storage medium Download PDFInfo
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- CN110868459B CN110868459B CN201911058641.1A CN201911058641A CN110868459B CN 110868459 B CN110868459 B CN 110868459B CN 201911058641 A CN201911058641 A CN 201911058641A CN 110868459 B CN110868459 B CN 110868459B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
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Abstract
The application discloses a data transmission method, a data transmission device, a terminal and a storage medium, and belongs to the technical field of networks. According to the method and the device, the speed measurement quality of each link between the transit node device and each transit node device can be measured by measuring the speed of each transit node device in the candidate node list respectively, the transit node device which meets the target condition with the speed measurement quality is selected to establish session connection, and a target session between the transit node device and other terminals is established based on the transit node device, so that when data transmission is carried out in the target session, the data transmission efficiency of the terminal is improved, the processing resource occupying a service server is avoided, and the service experience of the terminal is optimized.
Description
Technical Field
The present application relates to the field of network technologies, and in particular, to a data transmission method, an apparatus, a terminal, and a storage medium.
Background
With the development of network technology, a user terminal can establish a session with other terminals through a service server. When establishing a session, the user terminal maintains a reliable transport connection with the service server in the transport layer using the communication protocol of the network stack, so that data transmission is performed based on the reliable transport connection. The communication Protocol may be TCP (Transmission Control Protocol) or UDP (User Datagram Protocol).
In the above process, if the user terminal and the service server maintain UDP connection, the user terminal cannot control and select the optimal link, which affects the service experience of the user terminal; if the user terminal and the service server maintain the TCP connection, the service server needs to consume more resources to maintain the TCP connection with each terminal, so that the service server cannot provide normal service for the user terminal, which affects the service experience of the user terminal. Therefore, in the data transmission process, the transmission efficiency of the user terminal is low, and the service experience is poor.
Disclosure of Invention
The embodiment of the application provides a data transmission method, a data transmission device, a terminal and a storage medium, and can solve the problems of low transmission efficiency and poor service experience of the terminal in data transmission. The technical scheme is as follows:
in one aspect, a data transmission method is provided, and the method includes:
acquiring a candidate node list from a relay server;
respectively carrying out speed measurement on each transfer node device in the candidate node list to obtain the speed measurement quality of each link between the terminal and each transfer node device;
establishing session connection with the transfer node equipment of which the speed measurement quality of the links in each link meets the target condition;
and establishing a target session with other terminals through the transit node equipment, and transmitting data in the target session.
In one aspect, a data transmission apparatus is provided, the apparatus including:
an obtaining module, configured to obtain a candidate node list from a relay server;
the speed measuring module is used for respectively measuring the speed of each transfer node device in the candidate node list to obtain the speed measuring quality of each link between each transfer node device and each transfer node device;
the establishing module is used for establishing session connection with the transfer node equipment of which the speed measurement quality of the links in each link meets the target condition;
and the transmission module is used for establishing a target session with other terminals through the transit node equipment and transmitting data in the target session.
In one aspect, a terminal is provided and includes one or more processors and one or more memories, where at least one program code is stored in the one or more memories and loaded by the one or more processors and executed to implement the operations performed by the data transmission method according to any of the above possible implementations.
In one aspect, a storage medium is provided, in which at least one program code is stored, the at least one program code being loaded and executed by a processor to implement the operations performed by the data transmission method according to any one of the above possible implementations.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
the speed measurement quality of each link between the transit node equipment and each transit node equipment can be measured, the transit node equipment which meets the target condition with the speed measurement quality is selected to establish session connection, and a target session between the transit node equipment and other terminals is established based on the transit node equipment, so that when data transmission is carried out in the target session, the speed measurement quality of the link where the transit node equipment is located is better through the target condition, the data transmission efficiency of the terminal can be improved, a service server is not needed to participate in communication between the terminal and other terminals, the processing resource occupying of the service server is avoided, and the service experience of the terminal is optimized.
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 schematic diagram of an implementation environment of a data transmission method provided in an embodiment of the present application;
fig. 2 is an interaction flowchart of a data transmission method provided in an embodiment of the present application;
fig. 3 is a schematic diagram of a velocity measurement process provided in an embodiment of the present application;
fig. 4 is a schematic diagram of a data transmission method provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an implementation environment of a data transmission method according to an embodiment of the present application. Referring to fig. 1, a first terminal 120, a relay server 140, and a second terminal 160 are included in the implementation environment.
The first terminal 120 is installed and operated with an application client, which may be used to provide business services to a user, for example, the application client may be a game client, a takeaway client, a taxi-taking client, or the like. When the application client is a game client, the provided game includes, but is not limited to, a stand-alone game, a network game, a web game, or a mobile-end game (commonly referred to as "hand game"). The first terminal 120 may access a service server (not shown) after logging in the application client, thereby accessing various service services provided by the service server.
The first terminal 120 and the second terminal 160 are connected to the relay server 140 through a wired network or a wireless network.
The relay server 140 may include at least one of a server, a plurality of servers, a cloud computing platform, or a virtualization center. The relay server 140 is used to provide an end-to-end communication service for each terminal. Alternatively, the relay server 140 may undertake primary computational efforts and the first and second terminals 120, 160 may undertake secondary computational efforts; alternatively, the relay server 140 undertakes the secondary computation work, and the first terminal 120 and the second terminal 160 undertake the primary computation work; alternatively, the relay server 140, the first terminal 120, and the second terminal 160 perform cooperative computing by using a distributed computing architecture.
In some embodiments, the relay server 140 may be a server cluster, at least one node device may be included in the server cluster, and after the relay server 140 establishes a session connection with any terminal, a candidate node list may be determined for the terminal from the at least one node device, so that the terminal selects itself which transit node device in the candidate node list to establish the session connection, and the processing logic of how to select the terminal will be described in detail in the following embodiments.
The second terminal 160 is installed and operated with an application client, which may be used to provide business services to users, for example, the application client may be a game client, a takeaway client, a taxi-taking client, or the like. When the application client is a game client, the provided game includes, but is not limited to, a stand-alone game, a network game, a web game, or a mobile-end game (commonly referred to as "hand game"). The second terminal 160 may access a service server (not shown) after logging in the application client, thereby accessing various service services provided by the service server.
In an exemplary scenario, it is assumed that the relay server 140 includes a first relay node device 142, a second relay node device 144, a third relay node device 146, and a fourth relay node device 148, the first terminal 120 establishes a session connection with the relay server 140, the relay server 140 issues a candidate node list to the first terminal 120, and the first terminal 120 determines to establish a session connection with the first relay node device 142 from the candidate node list. Similarly, the second terminal 160 establishes a session connection with the relay server 140, the relay server 140 issues a candidate node list to the second terminal 160, and the second terminal 160 determines to establish a session connection with the second transit node device 144 from the candidate node list.
If the first terminal 120 generates a data transmission requirement with the second terminal 160 in the service, the first terminal 120 sends the data to be transmitted to the first transit node device 142, the first transit node device 142 forwards the data to be transmitted to the second transit node device 144, and the second transit node device 144 forwards the data to be transmitted to the second terminal 160, thereby implementing reliable data transmission between end to end.
In some application scenarios, if the first terminal 120 and the second terminal 160 both establish session connection with the same transit node device, it is only necessary that the first terminal 120 sends the data to be transmitted to the transit node device, and the transit node device forwards the data to be transmitted to the second terminal 160.
Alternatively, the application clients installed on the first terminal 120 and the second terminal 160 may be the same, or the application clients installed on the two terminals may be the same type of application programs of different operating system platforms. The first terminal 120 may generally refer to one of a plurality of terminals, and the second terminal 160 may generally refer to one of a plurality of terminals, and this embodiment is only illustrated by the first terminal 120 and the second terminal 160. The device types of the first terminal 120 and the second terminal 160 are the same or different, and include: at least one of a smart phone, a tablet computer, an e-book reader, an MP3(Moving Picture Experts Group Audio Layer III, motion Picture Experts compression standard Audio Layer 3) player, an MP4(Moving Picture Experts Group Audio Layer IV, motion Picture Experts compression standard Audio Layer 4) player, a laptop portable computer, and a desktop computer. For example, the first terminal 120 and the second terminal 160 may be smart phones, or other handheld portable gaming devices.
Those skilled in the art will appreciate that the number of terminals described above may be greater or fewer. For example, the number of the terminals may be only one, or several tens or hundreds of the terminals, or more. The number of terminals and the type of the device are not limited in the embodiments of the present application.
Fig. 2 is an interaction flowchart of a data transmission method according to an embodiment of the present application. Referring to fig. 2, the embodiment may be applied to at least one of the first terminal 120 or the second terminal 160 in the above embodiment, and includes:
201. the terminal acquires a candidate node list from the relay server.
In the process, a user can control a terminal to start an application client, when the terminal detects that the application client is in an operating state, the terminal sends a list acquisition request carrying positioning information to a relay server, when the relay server receives the list acquisition request, a candidate node list corresponding to the terminal is generated according to the positioning information, the candidate node list is sent to the terminal, and the terminal receives the candidate node list.
Optionally, a network component for providing end-to-end communication services may be embedded in the SDK (Software Development Kit) of the application client. When the application client is started, the network component triggers the terminal to send a list acquisition request to the relay server.
Alternatively, the relay server may be a stand-alone device or a cluster device. When receiving the list acquisition request, the relay server parses the list acquisition request to obtain the positioning information of the terminal, and acquires at least one transit node device whose distance from the position where the positioning information is located is smaller than a distance threshold, thereby creating a candidate node list according to the at least one transit node device, where each element in the candidate node device is identification information of one transit node device, and the identification information of one transit node device may include at least one of an IP (Internet Protocol) address, a node device name, or a node device identification code of the transit node device.
In some embodiments, each relay node device may have its own service range, and the relay server may detect one by one whether the positioning information of the terminal falls within the service range of each relay node device, and when the positioning information is located within the service range of a certain relay node device, add the identification information of the relay node device to the candidate node list, and traverse all the relay node devices to obtain the candidate node list.
202. And the terminal respectively sends at least one piece of speed measurement data to each transfer node device in the candidate node list within a fixed time length.
The fixed time period may be any value greater than 0, for example, the fixed time period is 1 minute.
In the above process, since each transit node device in the candidate node list may provide a communication connection access point for the terminal, in order to ensure the data transmission efficiency of the terminal, the transit node device corresponding to the link with the better speed measurement quality may be selected by speed measurement.
In some embodiments, since the candidate node list includes identification information of each transfer node device, the terminal may determine an IP address of each transfer node device according to the identification information of each transfer node device, and send at least one piece of speed measurement data to the IP address of each transfer node device.
Optionally, the terminal may send the same amount of speed measurement data to each intermediate node device respectively according to a fixed frequency within a fixed time duration, and execute the following step 203, where the speed measurement data may be a PING message, for example.
Fig. 3 is a schematic diagram of a speed measurement process provided in an embodiment of the present application, referring to fig. 3, assuming that a candidate node list includes transit node devices 1 to n (n ≧ 1), a terminal may send at least one piece of speed measurement data to the transit node devices 1 to n through a network component of an application client, for example, the terminal sends 1 piece of speed measurement data to all the transit node devices every 1 second within 1 minute, and then the following step 203 is executed.
203. And when the at least one piece of speed measurement data is received, each transfer node device sends at least one piece of speed measurement response to the terminal.
In the above process, when each transit node device receives any message, it parses the target field of the message, and if the target field indicates that the message is speed measurement data, it generates a speed measurement response and sends the speed measurement response to the terminal.
204. When at least one speed measurement response returned by each transfer node device is received, the terminal determines at least one of packet loss rate, delay or fluctuation of each link between the terminal and each transfer node device according to the difference between the at least one speed measurement response and the at least one speed measurement data.
In the above process, the terminal receives the speed measurement response returned by each transfer node device, and because the terminal may generate the conditions of packet loss, delay, fluctuation, or the like in the process of sending the speed measurement data, the speed measurement response returned by each transfer node device may not be consistent with the quantity of the speed measurement data, that is, if there is no packet loss condition, the quantity of the speed measurement response of each link is equal to the quantity of the speed measurement data, and if there is a packet loss condition, the quantity of the speed measurement response of each link is less than the quantity of the speed measurement data. For any link, the terminal can obtain the difference between the speed measurement data and the speed measurement response as the packet loss number, determine the numerical value obtained by dividing the packet loss number by the speed measurement data number as the packet loss rate of the link, and repeatedly execute the above process for each link to obtain the packet loss rate of each link.
Optionally, due to complexity of a network condition, time for receiving speed measurement responses by different links may be different from each other, if it is guaranteed that the speed measurement data is synchronously transmitted according to a fixed frequency in each link, for the speed measurement responses corresponding to the speed measurement data transmitted at the same time, which are called speed measurement responses belonging to one turn in different links, the terminal may record an earliest timestamp of the speed measurement response returned by each turn in all links, determine a difference between a timestamp of a subsequent speed measurement response returned in the turn and the earliest timestamp in each link as a delay of the speed measurement response in one turn, and repeat the above process for each turn, thereby determining an average value of the speed measurement response delays in all turns in the links as the delay of the entire link. That is, the longer the link takes to receive the velocity measurement response on average, the longer the network delay, and the shorter the link takes to receive the velocity measurement response on average, the shorter the network delay.
For example, the terminal starts from time 0, sends a round of speed measurement data in each link every 10 time units, at a certain time, a certain link receives a speed measurement response for the first time, records the time as the earliest timestamp of the first round, when other links receive the speed measurement response successively, the difference between the received timestamp and the earliest timestamp is used as the delay of the speed measurement response of the link in the first round, until any link receives the second speed measurement response, the earliest timestamp of the second round is recorded, and similar second round delay statistics is started, which is not described herein. It should be noted that in the first round of delay statistics, if some links do not receive the speed measurement response, it is possible to indicate that a packet loss event occurs in the links.
In some embodiments, due to the network fluctuation, there may also be an unstable condition between the speed measurement responses transmitted in each link, and for each link, the fluctuation of the link may be obtained according to the distribution between the speed measurement responses received in the link. For example, if the interval between adjacent tachometer responses in a link changes frequently, the link is considered to fluctuate greatly.
205. The terminal determines the speed measurement quality of each link according to at least one of packet loss rate, delay or fluctuation of each link.
In the process, the terminal can perform weighted calculation on the packet loss rate, the delay or the fluctuation of each link, so that the speed measurement quality of each link is obtained, and the speed measurement quality can comprehensively measure the overall network condition of the link.
In the step 202-. After the speed measurement is performed on each link, the transit node device with the speed measurement quality meeting the target condition may be selected through the following steps 206-207, so as to establish session connection with the transit node device. Compared with the related technology in which the UDP connection cannot be controlled and the optimal link can not be selected, in the embodiment of the application, the terminal can automatically select the link with the best speed measurement quality to establish the session connection, so that the service experience of the terminal can be improved, and the data transmission efficiency can be optimized.
206. The terminal determines a target node set from each transfer node device according to the speed measurement quality of each link, wherein the target node set comprises the transfer node devices corresponding to the links with the speed measurement quality located at the front target position.
The number of target bits is greater than or equal to 1 and less than the number of transit node devices in the candidate node list, for example, the number of target bits may be set to 3. The number of the target bits can be preset by a network component of an application client on the terminal or can be customized by a user.
In the above process, the terminal may sequence the links according to the sequence of the speed measurement quality from high to low, and determine the link at the front target position in the sequence, so as to determine the transfer node device corresponding to the link at the front target position as the target node set.
207. The terminal establishes session connection with the transit node equipment corresponding to the link with the highest speed measurement quality in the target node set.
In the process, the terminal establishes session connection through the transfer node equipment corresponding to the link with the highest speed measurement quality, so that the optimal data transmission link can be controlled and selected by self, and the efficiency and the flexibility of data transmission are improved.
In some embodiments, a session connection of a terminal may fail due to network fluctuation or abnormal relay node device, and if the session connection between the terminal and the relay node device corresponding to the link with the highest speed measurement quality fails, a session connection may be established with another relay node device in the target node set, where the link where the another relay node device is located is the link with the highest speed measurement quality in the target node set except for the relay node device.
In the above process, the target node set refers to a set of transfer node devices that can be used by the terminal to establish session connection, and if the session connection cannot be established with the transfer node device corresponding to the link with the highest speed measurement quality, the session connection can be established with the transfer node device corresponding to the link with the second highest speed measurement quality, and so on, if the session connection is still failed to be established, the session connection is established with the transfer node device corresponding to the link with the third highest test quality, which is not described herein again.
In some embodiments, if the terminal fails to establish the session connection with the transit node device corresponding to the link with the highest speed measurement quality, the terminal may further repeatedly try to establish the session connection with the transit node device corresponding to the link with the highest speed measurement quality until the connection is successful or the target number of times is reached, and if the target number of times is reached, the step of establishing the session connection with another transit node device is performed, so that the link with the highest speed measurement quality is prevented from being missed due to accidental network fluctuation.
In the step 206-.
Optionally, the target condition may be that the speed measurement quality is located at a previous target position (that is, any relay node device in the target node set is selected to establish the session connection), or the target condition may also be that the speed measurement quality is highest, at this time, the step of obtaining the target node set in step 206 is not required to be executed, and the terminal directly establishes the session connection with the relay node device corresponding to the link with the highest speed measurement quality, and of course, the target condition may also be set to be the lowest packet loss rate, the lowest delay, the lowest fluctuation, and the like, and the content of the target condition is not specifically limited in the embodiment of the present application.
In some embodiments, after the terminal establishes a session connection with the transit node device, the terminal may further send probe data to the transit node device according to a target frequency; and if the speed measurement quality is detected to be reduced based on the detection data, disconnecting the session connection with the transit node equipment and establishing the session connection with another transit node equipment in the candidate node list. Therefore, once the speed measurement quality of the link is reduced, another transfer node device is replaced, the session connection between the terminal and the transfer node device can be dynamically managed in real time, and the speed measurement quality of the link, accessed to the transfer node device, of the terminal is always in a good state.
The process of switching the transit node device can be automatically triggered by a network component of an application client on the terminal, and the service layer is not aware of the transition node device, that is, the transit node device (commonly referred to as an access point) is switched transparently to the service layer.
For example, the terminal establishes a session connection with the transit node device 1 corresponding to the link with the highest speed measurement quality, sends probe data to the transit node device 1 according to the target frequency, detects, after a period of time, that the speed measurement quality of the link with the transit node device 1 is decreased according to the probe data, determines, by the terminal, the transit node device 2 with the second highest speed measurement quality from the target node set, establishes a session connection with the transit node device 2, and sends the probe data to the transit node device 2 according to the target frequency, and so on, which is not described herein again.
208. The terminal sends a connection request to the transit node device, wherein the connection request is used for requesting to establish a target session between the terminal and other terminals.
Optionally, the connection request may carry at least an IP address of the terminal and identification information of other terminals. Wherein the other terminals are one or more terminals other than the terminal. For example, the identification information may be an identification code of another terminal, a user name registered by a user corresponding to the other terminal on the application client, or a mobile phone number bound by the user corresponding to the other terminal on the application client.
In the above process, if the application client on the terminal has a data transmission requirement with the application client on the other terminal, the network component of the application client may detect whether session connection is established with the other terminal at present, and if session connection is not established with the other terminal, the network component may trigger generation of a connection request, so that the terminal sends the connection request to the transit node device. Of course, if session connection is established with other terminals at present, it is only necessary to directly send data to be transmitted in the established session.
In the embodiment of the application, an end-to-end target session is established between the terminal and other terminals through respective corresponding transit node devices, so that the data forwarding is not required to be participated by the service server, the occupation of processing resources of the service server can be reduced, the resource processing efficiency of the service server is improved, and the service experience of the terminal is improved.
209. When the transit node device receives the connection request, the transit node device forwards the connection request to a target node device.
Optionally, the transit node device receives the connection request, analyzes the connection request, and obtains identification information of other terminals, thereby determining target node devices corresponding to the other terminals according to the identification information of the other terminals, and forwarding the connection request to the target node devices. It should be noted that, when the number of other terminals is multiple, the number of target node devices may be one or more, and the number of other terminals and the number of target node devices are not specifically limited herein.
In some embodiments, if the terminal and the other terminal correspond to the same transit node device, the transit node device and the target node device are the same physical entity, and at this time, the step 209 does not need to be executed, but directly forwards the connection request to the other terminal when the transit node device receives the connection request.
210. When the target node device receives the connection request, the target node device forwards the connection request to other terminals, and the target node device corresponds to the other terminals.
In the above process, the target node device receives the connection request, analyzes the connection request to obtain the identification information, determines other terminals corresponding to the identification information according to the identification information, and forwards the connection request to the other terminals.
211. And when the other terminal receives the connection request, generating a confirmation response, and sending the confirmation response to the terminal by the other terminal, wherein the confirmation response is used for indicating that the target session is established.
In the above process, the other terminal receives the connection request, analyzes the connection request to obtain the IP address of the terminal, generates a confirmation response if the other terminal agrees to establish the target session, and sends the confirmation response to the IP address of the terminal, and executes step 212, if the other terminal refuses to establish the target session, generates a rejection response, and sends the rejection response to the IP address of the terminal, at this time, the terminal cannot establish the target session with the other terminal.
212. And the terminal receives the confirmation response returned by the other terminal, wherein the confirmation response is used for indicating that the target session is established.
When the terminal receives the confirmation response, the IP addresses of other terminals can be obtained, so that the data to be transmitted are directly sent to the IP addresses of other terminals in the subsequent end-to-end communication, and the data to be transmitted sent by other terminals can be received.
213. The terminal establishes a target session between the terminal and other terminals through the transit node device, and performs data transmission in the target session.
In the above process, the terminal can exchange the IP address with other terminals through the transit node device and the target node device, and store the IP addresses of other terminals, thereby establishing a target session between the terminal and other terminals, and storing the target session. Further, the terminal and other terminals can mutually send data to be transmitted in the target session, and the end-to-end communication requirement is realized. The terminal can record the timestamp of sending the data to be transmitted each time and the timestamp of receiving the data to be transmitted from other terminals each time, so that the timestamp of receiving and sending the data packet each time can be traced at any subsequent time.
In some embodiments, the terminal may further send heartbeat data according to a certain frequency in the target session, receive heartbeat responses returned by other terminals, and obtain at least one of packet loss rate, delay or fluctuation of a link between the terminal and the other terminals according to a difference between the heartbeat data and the heartbeat responses, so that communication quality of the link between the terminal and the other terminals may be monitored in real time, and a communication quality problem that may exist in the target session may be found in time. Optionally, the certain frequency may be smaller than a frequency threshold, so as to maintain the low-frequency heartbeat data transmission, which can monitor the communication quality of the link and save session resources.
In some embodiments, the terminal may disconnect the target session when data is not being transmitted in the target session for more than a target duration. The fact that data is not transmitted in the target session means that neither the terminal nor the other terminals send any data other than the heartbeat data. The target time duration is any value greater than 0, for example, the target time duration is 10 minutes, and the target time duration may be preset by a network component or may be set by a user in a user-defined manner.
In the process, after the terminal sends a copy of data to be transmitted, the network component of the application client on the terminal can time through the timer, if the time reaches the target duration, the terminal does not send any data to be transmitted and does not receive any data to be transmitted, and then the terminal can automatically trigger the disconnection of the target session through the network component. After the target session is disconnected, the terminal does not need to send heartbeat data to other terminals, and session resources occupied by the target session are released.
It should be noted that, after the terminal disconnects the target session, if the data transmission requirement with the other terminal is generated again, the operations performed in step 208 and step 213 may be executed again to establish the target session again, so as to perform data transmission in the target session.
All the above optional technical solutions may be combined arbitrarily to form the optional embodiments of the present disclosure, and are not described herein again.
According to the method provided by the embodiment of the application, the speed measurement is performed on each transfer node device in the candidate node list respectively, so that the speed measurement quality of each link between each transfer node device and each transfer node device can be measured, the transfer node device meeting the target condition with the speed measurement quality is selected to establish session connection, and a target session between each transfer node device and other terminals is established based on the transfer node device, so that when data transmission is performed in the target session, the speed measurement quality of the link where the transfer node device is located is better through the target condition, the data transmission efficiency of the terminal can be improved, a service server is not required to participate in communication between the terminal and other terminals, the occupation of processing resources of the service server is avoided, and the service experience of the terminal is optimized.
Fig. 4 is a schematic diagram of a data transmission method provided in an embodiment of the present Application, and referring to fig. 4, in an exemplary scenario, taking an Application client as a game client, the game clients of a terminal a and a terminal B are both embedded in network components, and when the game client performs end-to-end communication, the game client only needs to call an Application Programming Interface (API) for receiving and sending a data packet, without paying attention to network transmission details how to establish a target session. The game client can complete the construction of the target session in the background through the network component, the relay server and each node device as long as the game client is embedded into the network component, so that data is transmitted in the target session. For example, the data transmission method can be applied to interprocess communication of a stand-alone game on different terminals.
In the process, a network component which is service-oriented, easy to use and free of connection for external service is provided on a network transmission layer, a set of automatic session management scheme is packaged in the network component, a terminal can automatically select the transfer node equipment with the current speed measurement quality meeting the target condition as a network communication access point, the speed measurement quality of a link between the transfer node equipment and the accessed transfer node equipment is monitored in real time, and once a link fault occurs, the terminal can be timely and automatically switched to other transfer node equipment.
Further, the target session with other terminals is established through the transit node device, the number of the target sessions can be one or more, the target session can be dynamically managed through the network component, the current activity of the target session is automatically analyzed, and if the activity of the end-to-end communication (namely, the target session) is reduced to a certain degree, namely, the target session is automatically disconnected when the target session does not transmit data for more than the target duration, and the session resources are timely released. When there is a subsequent communication demand again, the similar procedure is repeated to establish the target session. The method can ensure the simplicity and the fluency of the service business, can also save bandwidth resources, does not need the participation of a business server when the end-to-end communication is carried out, avoids occupying the processing resources of the business server, and improves the business experience of the terminal.
Fig. 5 is a schematic structural diagram of a data transmission device according to an embodiment of the present application, and referring to fig. 5, the data transmission device includes:
an obtaining module 501, configured to obtain a candidate node list from a relay server;
a speed measurement module 502, configured to measure a speed of each transit node device in the candidate node list, to obtain a speed measurement quality of each link with each transit node device;
an establishing module 503, configured to establish session connection with a transfer node device whose speed measurement quality of a link in each link meets a target condition;
a transmission module 504, configured to establish a target session with another terminal through the transit node device, and perform data transmission in the target session.
The device provided by the embodiment of the application, through testing the speed to each transfer node equipment in the candidate node list respectively, thereby can measure the speed measurement quality of each link between each transfer node equipment and each transfer node equipment, select the transfer node equipment that accords with the target condition with the speed measurement quality and establish the session connection, establish the target session between other terminals based on the transfer node equipment, when making data transmission in the target session, it is better to guarantee the speed measurement quality of the link where the transfer node equipment is located through the target condition, thereby can promote the data transmission efficiency of terminal, and need not the communication between service server participation terminal and other terminals, avoid occupying the processing resource of service server, the business experience of terminal has been optimized.
In a possible implementation, the speed measuring module 502 is configured to:
at least one piece of speed measurement data is sent to each transfer node device in the candidate node list within a fixed time length;
when at least one speed measurement response returned by each transfer node device is received, determining at least one of packet loss rate, delay or fluctuation of each link between each transfer node device and each transfer node device according to the difference between the at least one speed measurement response and the at least one speed measurement data;
and determining the speed measurement quality of each link according to at least one of the packet loss rate, the time delay or the fluctuation of each link.
In one possible implementation, the establishing module 503 is configured to:
determining a target node set from each transfer node device according to the speed measurement quality of each link, wherein the target node set comprises the transfer node devices corresponding to the links with the speed measurement quality located at the front target position;
and establishing session connection with the transit node equipment corresponding to the link with the highest speed measurement quality in the target node set.
In one possible embodiment, the apparatus is further configured to:
if the session connection established with the transit node device corresponding to the link with the highest speed measurement quality fails, the session connection is established with another transit node device in the target node set, and the link where the another transit node device is located has the highest speed measurement quality in the target node set except for the transit node device.
In one possible embodiment, the apparatus is further configured to:
sending detection data to the transit node equipment according to the target frequency;
and if the speed measurement quality is detected to be reduced based on the detection data, disconnecting the session connection with the transit node equipment and establishing the session connection with another transit node equipment in the candidate node list.
In one possible embodiment, the apparatus is further configured to:
sending a connection request to the transit node device, forwarding the connection request to a target node device by the transit node device, and forwarding the connection request to the other terminal by the target node device, wherein the connection request is used for requesting to establish the target session, and the target node device corresponds to the other terminal;
and receiving a confirmation response returned by the other terminal, wherein the confirmation response is used for indicating that the target session is established.
In one possible embodiment, the apparatus is further configured to:
and when the data is not transmitted in the target session for more than the target duration, disconnecting the target session.
All the above optional technical solutions may be combined arbitrarily to form the optional embodiments of the present disclosure, and are not described herein again.
It should be noted that: in the data transmission device provided in the above embodiment, when transmitting data, only the division of the above functional modules is taken as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the terminal is divided into different functional modules to complete all or part of the above described functions. In addition, the data transmission device and the data transmission method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in detail in the data transmission method embodiments and are not described herein again.
Fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present application. The terminal 600 may be: a smart phone, a tablet computer, an MP3 player (Moving Picture Experts Group Audio Layer III, motion video Experts compression standard Audio Layer 3), an MP4 player (Moving Picture Experts Group Audio Layer IV, motion video Experts compression standard Audio Layer 4), a notebook computer, or a desktop computer. The terminal 600 may also be referred to by other names such as user equipment, portable terminal, laptop terminal, desktop terminal, etc.
In general, the terminal 600 includes: a processor 601 and a memory 602.
The processor 601 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor 601 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 601 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 601 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed on the display screen. In some embodiments, processor 601 may also include an AI (Artificial Intelligence) processor for processing computational operations related to machine learning.
The memory 602 may include one or more computer-readable storage media, which may be non-transitory. The memory 602 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in the memory 602 is used to store at least one instruction for execution by the processor 601 to implement the data transmission methods provided by the various embodiments herein.
In some embodiments, the terminal 600 may further optionally include: a peripheral interface 603 and at least one peripheral. The processor 601, memory 602, and peripheral interface 603 may be connected by buses or signal lines. Various peripheral devices may be connected to the peripheral interface 603 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of a radio frequency circuit 604, a touch screen display 605, a camera assembly 606, an audio circuit 607, a positioning component 608, and a power supply 609.
The peripheral interface 603 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 601 and the memory 602. In some embodiments, the processor 601, memory 602, and peripheral interface 603 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 601, the memory 602, and the peripheral interface 603 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.
The Radio Frequency circuit 604 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 604 communicates with communication networks and other communication devices via electromagnetic signals. The rf circuit 604 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 604 comprises: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 604 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: metropolitan area networks, various generation mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 604 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The display 605 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 605 is a touch display screen, the display screen 605 also has the ability to capture touch signals on or over the surface of the display screen 605. The touch signal may be input to the processor 601 as a control signal for processing. At this point, the display 605 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display 605 may be one, providing the front panel of the terminal 600; in other embodiments, the display 605 may be at least two, respectively disposed on different surfaces of the terminal 600 or in a folded design; in still other embodiments, the display 605 may be a flexible display disposed on a curved surface or on a folded surface of the terminal 600. Even more, the display 605 may be arranged in a non-rectangular irregular pattern, i.e., a shaped screen. The Display 605 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and the like.
The camera assembly 606 is used to capture images or video. Optionally, camera assembly 606 includes a front camera and a rear camera. Generally, a front camera is disposed at a front panel of the terminal, and a rear camera is disposed at a rear surface of the terminal. In some embodiments, the number of the rear cameras is at least two, and each rear camera is any one of a main camera, a depth-of-field camera, a wide-angle camera and a telephoto camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize panoramic shooting and VR (Virtual Reality) shooting functions or other fusion shooting functions. In some embodiments, camera assembly 606 may also include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp, and can be used for light compensation at different color temperatures.
The positioning component 608 is used for positioning the current geographic Location of the terminal 600 to implement navigation or LBS (Location Based Service). The Positioning component 608 can be a Positioning component based on the united states GPS (Global Positioning System), the chinese beidou System, the russian graves System, or the european union's galileo System.
In some embodiments, the terminal 600 also includes one or more sensors 610. The one or more sensors 610 include, but are not limited to: acceleration sensor 611, gyro sensor 612, pressure sensor 613, fingerprint sensor 614, optical sensor 615, and proximity sensor 616.
The acceleration sensor 611 may detect the magnitude of acceleration in three coordinate axes of the coordinate system established with the terminal 600. For example, the acceleration sensor 611 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 601 may control the touch screen display 605 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 611. The acceleration sensor 611 may also be used for acquisition of motion data of a game or a user.
The gyro sensor 612 may detect a body direction and a rotation angle of the terminal 600, and the gyro sensor 612 and the acceleration sensor 611 may cooperate to acquire a 3D motion of the user on the terminal 600. The processor 601 may implement the following functions according to the data collected by the gyro sensor 612: motion sensing (such as changing the UI according to a user's tilting operation), image stabilization at the time of photographing, game control, and inertial navigation.
The pressure sensor 613 may be disposed on a side frame of the terminal 600 and/or on a lower layer of the touch display screen 605. When the pressure sensor 613 is disposed on the side frame of the terminal 600, a user's holding signal of the terminal 600 can be detected, and the processor 601 performs left-right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 613. When the pressure sensor 613 is disposed at the lower layer of the touch display screen 605, the processor 601 controls the operability control on the UI interface according to the pressure operation of the user on the touch display screen 605. The operability control comprises at least one of a button control, a scroll bar control, an icon control and a menu control.
The fingerprint sensor 614 is used for collecting a fingerprint of a user, and the processor 601 identifies the identity of the user according to the fingerprint collected by the fingerprint sensor 614, or the fingerprint sensor 614 identifies the identity of the user according to the collected fingerprint. Upon identifying that the user's identity is a trusted identity, the processor 601 authorizes the user to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying, and changing settings, etc. The fingerprint sensor 614 may be disposed on the front, back, or side of the terminal 600. When a physical button or vendor Logo is provided on the terminal 600, the fingerprint sensor 614 may be integrated with the physical button or vendor Logo.
The optical sensor 615 is used to collect the ambient light intensity. In one embodiment, processor 601 may control the display brightness of touch display 605 based on the ambient light intensity collected by optical sensor 615. Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 605 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 605 is turned down. In another embodiment, the processor 601 may also dynamically adjust the shooting parameters of the camera assembly 606 according to the ambient light intensity collected by the optical sensor 615.
A proximity sensor 616, also known as a distance sensor, is typically disposed on the front panel of the terminal 600. The proximity sensor 616 is used to collect the distance between the user and the front surface of the terminal 600. In one embodiment, when the proximity sensor 616 detects that the distance between the user and the front surface of the terminal 600 gradually decreases, the processor 601 controls the touch display 605 to switch from the bright screen state to the dark screen state; when the proximity sensor 616 detects that the distance between the user and the front surface of the terminal 600 gradually becomes larger, the processor 601 controls the touch display 605 to switch from the breath screen state to the bright screen state.
Those skilled in the art will appreciate that the configuration shown in fig. 6 is not intended to be limiting of terminal 600 and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used.
In an exemplary embodiment, a computer-readable storage medium, such as a memory including at least one program code, which is executable by a processor in a terminal to perform the data transmission method in the above-described embodiments, is also provided. For example, the computer-readable storage medium may be a ROM (Read-Only Memory), a RAM (Random-Access Memory), a CD-ROM (Compact Disc Read-Only Memory), a magnetic tape, a floppy disk, an optical data storage device, and the like.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. A data transmission method is applied to a terminal, wherein an application client runs on the terminal, and the method comprises the following steps:
acquiring a candidate node list from a relay server through the application client;
respectively carrying out speed measurement on each transfer node device in the candidate node list through the application client to obtain the speed measurement quality of each link between the terminal and each transfer node device;
establishing session connection with the transfer node equipment of which the speed measurement quality of the links in each link meets the target condition through the application client;
sending a connection request to the transit node equipment through the application client, forwarding the connection request to target node equipment by the transit node equipment, and forwarding the connection request to other terminals by the target node equipment, wherein the connection request is used for requesting to establish a target session, the target node equipment is transit node equipment for establishing session connection with the other terminals, and the connection request carries an address of the terminal;
receiving a confirmation response returned by the other terminal, wherein the confirmation response is used for indicating that the establishment of the target session is confirmed, and the confirmation response carries the address of the other terminal;
and establishing an end-to-end target session between the application client and the application clients in the other terminals through the transit node equipment and the target node equipment based on the addresses of the terminals and the addresses of the other terminals, and performing data transmission in the end-to-end target session.
2. The method according to claim 1, wherein the separately measuring the speed of each transit node device in the candidate node list to obtain the speed measurement quality of each link between the terminal and each transit node device comprises:
at least one piece of speed measurement data is sent to each transfer node device in the candidate node list within a fixed time length;
when at least one speed measurement response returned by each transfer node device is received, determining at least one of packet loss rate, delay or fluctuation of each link between each transfer node device and each transfer node device according to the difference between the at least one speed measurement response and the at least one speed measurement data;
and determining the speed measurement quality of each link according to at least one of the packet loss rate, the time delay or the fluctuation of each link.
3. The method according to claim 1 or 2, wherein the establishing a session connection with a transit node device whose speed measurement quality of links in the respective links meets a target condition includes:
determining a target node set from each transfer node device according to the speed measurement quality of each link, wherein the target node set comprises the transfer node devices corresponding to the links with the speed measurement quality located at the front target position;
and establishing session connection with the transfer node equipment corresponding to the link with the highest speed measurement quality in the target node set.
4. The method of claim 3, further comprising:
and if the session connection establishment of the transfer node equipment corresponding to the link with the highest speed measurement quality fails, establishing session connection with another transfer node equipment in the target node set, wherein the link where the another transfer node equipment is located is the link with the highest speed measurement quality except the transfer node equipment in the target node set.
5. The method according to claim 1, wherein after the session connection is established with the transit node device whose speed measurement quality of the links in the respective links meets the target condition, the method further includes:
sending detection data to the transit node equipment according to the target frequency;
and if the speed measurement quality is detected to be reduced based on the detection data, disconnecting the session connection with the transit node equipment and establishing the session connection with another transit node equipment in the candidate node list.
6. The method of claim 1, wherein after the data transmission in the target session, the method further comprises:
and when the data is not transmitted in the target session for more than the target duration, disconnecting the target session.
7. A data transmission apparatus, applied to a terminal, where an application client runs on the terminal, the apparatus comprising:
the acquisition module is used for acquiring a candidate node list from a relay server through the application client;
the speed measuring module is used for respectively measuring the speed of each transfer node device in the candidate node list through the application client to obtain the speed measuring quality of each link between each transfer node device and each transfer node device;
the establishing module is used for establishing session connection with the transfer node equipment of which the speed measurement quality of the links in each link meets the target condition through the application client;
the device is further configured to send a connection request to the transit node device through the application client, forward the connection request to a target node device by the transit node device, and forward the connection request to another terminal by the target node device, where the connection request is used to request establishment of the target session, the target node device is a transit node device that establishes session connection with the other terminal, and the connection request carries an address of the terminal;
the device is further configured to receive a confirmation response returned by the other terminal, where the confirmation response is used to indicate that establishment of the target session is confirmed, and the confirmation response carries an address of the other terminal;
the device further includes a transmission module, configured to establish, through the transit node device and the target node device, an end-to-end target session between the application client and an application client in the other terminal based on the address of the terminal and the addresses of the other terminals, and perform data transmission in the end-to-end target session.
8. A terminal, characterized in that the terminal comprises one or more processors and one or more memories having stored therein at least one program code, which is loaded and executed by the one or more processors to implement the operations executed by the data transmission method according to any one of claims 1 to 6.
9. A storage medium having stored therein at least one program code, which is loaded and executed by a processor to perform operations performed by a data transmission method according to any one of claims 1 to 6.
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| CN111800491A (en) * | 2020-06-23 | 2020-10-20 | 成都完美时空网络技术有限公司 | Data transmission method, system, computing device and storage medium |
| CN111935221B (en) * | 2020-07-03 | 2023-04-28 | Oppo（重庆）智能科技有限公司 | File transmission method, device, storage medium and terminal |
| CN111934947B (en) * | 2020-07-17 | 2023-03-24 | 中国联合网络通信集团有限公司 | Speed measurement method, speed measurement scheduling server, terminal equipment and readable storage medium |
| CN111898158B (en) * | 2020-07-23 | 2023-09-26 | 百望股份有限公司 | Encryption method of OFD (optical frequency division) document |
| CN112769675B (en) * | 2020-12-31 | 2021-09-07 | 北京金色大数据有限公司 | Method and system for improving communication speed of real-time message |
| CN112910901B (en) * | 2021-02-04 | 2023-09-12 | 百果园技术(新加坡)有限公司 | Device selection method, device and storage medium |
| CN113395264A (en) * | 2021-05-26 | 2021-09-14 | 深圳市元征未来汽车技术有限公司 | Communication connection method, apparatus, server and medium |
| CN114697359B (en) * | 2022-03-04 | 2024-03-22 | 青岛海尔科技有限公司 | Data collection method and device, storage medium and electronic device |
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| CN102469017A (en) * | 2010-11-17 | 2012-05-23 | 中兴通讯股份有限公司 | Relay selection method and relay control system |
| CN102651701B (en) * | 2011-02-28 | 2016-03-09 | 腾讯科技（深圳）有限公司 | Set up the method and apparatus that audio/video communication connects |
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