CN111510447A - Network transmission method and related device - Google Patents
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- CN111510447A CN111510447A CN202010279577.6A CN202010279577A CN111510447A CN 111510447 A CN111510447 A CN 111510447A CN 202010279577 A CN202010279577 A CN 202010279577A CN 111510447 A CN111510447 A CN 111510447A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/131—Protocols for games, networked simulations or virtual reality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
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Abstract
The application discloses a network transmission method, which comprises the following steps: the client generates a new command, and packages the new command and a preset number of historical commands to obtain a command data packet; sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data, and performing snapshot data sending processing according to the condition that the client receives the data; and when snapshot data are received, executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command. The new command and the historical command are packaged into the command data packet to be sent, so that the historical command can be obtained by the server, data retransmission is carried out when packet loss does not occur, the phenomenon that network data delay is increased due to data retransmission is avoided, and the real-time performance of the game is improved. The application also discloses a network transmission device, a computer device and a computer readable storage medium, which have the beneficial effects.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a network transmission method, a network transmission device, a computer device, and a computer-readable storage medium.
Background
With the continuous development of information technology, entertainment technology for realizing informatization through information appears. Among them, electronic games are one of the most widespread forms. The advent of internet technology, where technology has extended from electronic games to network games, has followed. Namely, the player takes the computer as the terminal and the server in the internet as the platform to develop the network interactive game. It can be seen that the basis of network gaming is network data transmission. Therefore, the quality of network data transmission determines the experience of network games.
In the prior art, a commonly used data Transmission protocol is a Transmission Control Protocol (TCP), which is a connection-oriented, reliable transport layer communication protocol based on byte streams. And, the User Datagram Protocol (UDP) is a connectionless transport layer Protocol that provides transaction-oriented simple unreliable messaging services. Most games use the TCP protocol, but the retransmission real-time performance of TCP is poor in a network environment with a high packet loss rate. That is, the retransmission process occupies more bandwidth, and reduces the network performance, resulting in poor real-time performance.
Therefore, how to solve the problem of the decrease of the real-time performance of the game when the packet loss rate is high is a key issue that is focused on by those skilled in the art.
Disclosure of Invention
The application aims to provide a network transmission method, a network transmission device, a computer device and a computer readable storage medium, wherein a new command and a historical command are packaged into a command data packet to be transmitted, so that a server can acquire the historical command without data retransmission when packet loss occurs, the data retransmission is avoided from increasing network data delay, and the real-time performance of a game is improved.
In order to solve the above technical problem, the present application provides a network transmission method, including:
the client generates a new command, and packages the new command and a preset number of historical commands to obtain a command data packet;
sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data, and performing snapshot data sending processing according to the condition that the client receives the data;
and when snapshot data are received, executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
Optionally, the generating, by the client, a new command, and packaging the new command and a preset number of historical commands to obtain a command data packet includes:
the client performs logic processing according to the received snapshot data to generate a new command;
selecting a preset number of historical commands with the closest time from a stored historical command set;
and packaging the historical commands with the preset number and the new commands to obtain the command data packet.
Optionally, the performing, by the server, a logic process according to the command data packet to obtain snapshot data includes:
the server carries out logic processing on the command with the time identifier of each command in the command data packet larger than the maximum time identifier of the current command to obtain snapshot data;
and deleting the command with the time identifier of each command in the command data packet less than or equal to the maximum time identifier of the current command.
Optionally, the method further includes:
when the server loses the data packet, data recovery is carried out according to the command data packet to obtain lost data;
and carrying out logic processing according to the lost data to obtain snapshot data.
Optionally, the sending and processing of the snapshot data according to the condition that the client receives the data includes:
judging whether the client receives the data or not according to the condition that the client receives the data;
if yes, performing incremental calculation on the snapshot data and historical snapshot data to obtain incremental snapshot data, and sending the incremental snapshot data to the client;
and if not, sending the snapshot data to the client.
Optionally, when receiving snapshot data, performing logic processing according to the snapshot data to obtain a new command, so as to send a command data packet to the server according to the new command, including:
when snapshot data is received, judging whether the snapshot data is incremental snapshot data or not;
if yes, performing data restoration according to pre-stored historical snapshot data and the incremental snapshot data to obtain snapshot data;
and executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
Optionally, the method further includes:
and storing the snapshot data to obtain historical snapshot data.
The present application further provides a network transmission device, including:
the command data packet acquisition module is used for generating a new command and packaging the new command and a preset number of historical commands to obtain a command data packet;
the command data packet sending module is used for sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data and perform snapshot data sending processing according to the condition that the client receives the data;
and the snapshot data receiving module is used for executing logic processing according to the snapshot data to obtain a new command when receiving the snapshot data so as to send a command data packet to the server according to the new command.
The present application further provides a computer apparatus comprising:
a memory for storing a computer program;
a processor for implementing the steps of the network transmission method as described above when executing the computer program.
The present application also provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the network transmission method as described above.
The network transmission method provided by the application comprises the following steps: the client generates a new command, and packages the new command and a preset number of historical commands to obtain a command data packet; sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data, and performing snapshot data sending processing according to the condition that the client receives the data; and when snapshot data are received, executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
The client generates a new command, packs the new command and the historical command into a command data packet, and sends the command data packet to the server, so that the server can acquire the historical command from the command data packet, and when the server loses the packet, the server does not need to retransmit the data, thereby avoiding the data retransmission from occupying excessive bandwidth, improving the network performance, and simultaneously ensuring the reliability of sending the command data.
The present application further provides a network transmission device, a computer device, and a computer-readable storage medium, which have the above beneficial effects, and are not described herein again.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a network transmission method according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a server operation in a network transmission method according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a network transmission device according to an embodiment of the present application.
Detailed Description
The core of the application is to provide a network transmission method, a network transmission device, a computer device and a computer readable storage medium, and the new command and the historical command are packaged into a command data packet to be transmitted, so that the server can acquire the historical command without data retransmission when packet loss occurs, the data retransmission is avoided from increasing network data delay, and the real-time performance of a game is improved.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some 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.
In the prior art, a commonly used data transmission protocol is a transmission control protocol, which is a connection-oriented, reliable, byte stream-based transport layer communication protocol. And, the user datagram protocol is a connectionless transport layer protocol that provides transaction-oriented simple unreliable messaging service. Most games use the TCP protocol, but the retransmission real-time performance of TCP is poor in a network environment with a high packet loss rate. That is, the retransmission process occupies more bandwidth, and reduces the network performance, resulting in poor real-time performance.
Therefore, the application provides a network transmission method, a new command is generated through a client, the new command and a historical command are packaged into a command data packet, the command data packet is sent to a server, so that the server can obtain the historical command from the command data packet, when the server loses the packet, data retransmission is not needed, the situation that the data retransmission occupies too much bandwidth is avoided, the network performance is improved, and meanwhile, the reliability of sending the command data is ensured.
A network transmission method provided by the present application is described below by an embodiment.
Referring to fig. 1, fig. 1 is a flowchart of a network transmission method according to an embodiment of the present disclosure.
In this embodiment, the method may include:
s101, a client generates a new command, and the new command and a preset number of historical commands are packaged to obtain a command data packet;
the method comprises the steps of generating a new command by a client, and packaging the new command and a preset number of historical commands to obtain a command data packet.
In the prior art, command data, mainly current command data, is sent to a server. Therefore, when a packet loss occurs in the process of receiving the command data by the server, the server will re-request the command data from the client through the communication protocol, but the re-request of the command data will occupy more bandwidth resources, which results in a decrease in the real-time performance of the game and a decrease in the network performance.
Therefore, after the client generates a new command, the client performs a packaging process on the new command and a preset number of historical commands to obtain a command data packet integrating the historical commands. That is, the history command is sent to the server at the same time, so that the server is prevented from acquiring command data again when packet loss occurs.
In addition, it should be noted that the method in this embodiment may be applied to a network game. Since the online game is executed based on the network, the real-time performance of the network determines the experience of the online game. Therefore, the method in the embodiment can improve the experience of the online game.
Optionally, this step may include:
step 1, the client performs logic processing according to the received snapshot data to generate a new command;
step 2, selecting a preset number of historical commands with the closest time from the stored historical command set;
and 3, packaging the historical commands with the preset number and the new commands to obtain the command data packet.
Therefore, the alternative scheme mainly explains how the client acquires the command data packet. Firstly, rendering a game scene according to received snapshot data, and generating a new command when a client receives an instruction sent by operation data in the rendered scene for operation. And then a preset number of history commands are selected from the history command set, wherein the history commands are also the latest history commands. And finally, packing the command data packet.
S102, sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data, and performing snapshot data sending processing according to the condition that the client receives the data;
on the basis of S101, this step is intended to transmit a command packet to the server. After the command data is sent to the server, the server further obtains a currently required command and a history command from the command data packet.
It can be seen that the command packet sent to the server in this embodiment is a packet containing historical commands, from which the server can recover the lost data. And the data volume of the command data is less, compared with the situation that the data is requested again from the data retransmission to the client, the actually occupied network bandwidth is smaller, and the influence on the network is less.
S103, when receiving snapshot data, executing logic processing according to the snapshot data to obtain a new command, so as to send a command data packet to the server according to the new command.
On the basis of S102, in this step, after receiving snapshot data, a logic process is performed according to the snapshot data to obtain a new command, and then the new command and the historical command are continuously packed into a command data packet, and finally the command data packet is sent to the server.
Optionally, this step may include:
step 1, when snapshot data is received, judging whether the snapshot data is incremental snapshot data;
step 2, if yes, data restoration is carried out according to prestored historical snapshot data and the incremental snapshot data to obtain snapshot data;
and 3, executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
Therefore, the client in the alternative scheme receives the snapshot data to judge whether the snapshot data is the incremental snapshot data, and if yes, the client can restore the snapshot data by calculating according to the pre-stored historical snapshot data and the incremental snapshot data. If the snapshot data is not incremental, the client receives the full amount of snapshot data, namely the snapshot data which can be directly used. And finally, executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
Optionally, the alternative may further include:
and storing the snapshot data to obtain historical snapshot data.
Therefore, according to the alternative scheme, the received snapshot data can be stored in advance, and the historical snapshot data can be obtained.
In summary, in the embodiment, the client generates a new command, and at the same time, packages the new command and the historical command into a command data packet, and sends the command data packet to the server, so that the server can obtain the historical command from the command data packet, and when the server loses the packet, data retransmission is not needed, so that the data retransmission is avoided from occupying too much bandwidth, the network performance is improved, and meanwhile, the reliability of sending the command data is ensured.
The following further describes, by another embodiment, processing of a received command by a server in a network transmission method provided by the present application.
Referring to fig. 2, fig. 2 is a flowchart illustrating a server operation in a network transmission method according to an embodiment of the present disclosure.
In this embodiment, the method for acquiring snapshot data by the server may include:
s201, the server carries out logic processing on the command with the time identifier of each command in the command data packet larger than the maximum time identifier of the current command to obtain snapshot data;
this step is intended to make a decision by means of the time stamp, i.e. to decide whether the time stamp is larger than the maximum time stamp of the current command. Wherein, the maximum time identifier of the current command refers to the time identifier of the latest command currently received by the server. Therefore, it is determined whether the time stamp is greater than the maximum time stamp of the current command, i.e. it is distinguished which commands in the command data packet have been accepted and which commands have not been received.
On this basis, in this embodiment, the command that is not received, that is, the command whose time identifier of each command in the command data packet is greater than the maximum time identifier of the current command, is subjected to logic processing to obtain snapshot data.
S202, deleting the command with the time identifier of each command in the command data packet less than or equal to the maximum time identifier of the current command.
On the basis of S201, in this step, the remaining commands, that is, the commands whose time identifier of each command in the command data packet is less than or equal to the maximum time identifier of the current command, may be deleted, so as to avoid that the commands occupy the storage space of the server.
S203, judging whether the client receives the data according to the condition that the client receives the data; if yes, executing S204; if not, executing S205;
on the basis of S202 of S201, this step is intended to determine a case where the client receives data. I.e., whether the client has received historical snapshot data. When the client receives the data, only part of the incremental snapshot data needs to be sent to the client. When the client does not receive the data, all snapshot data needs to be sent.
S204, performing incremental calculation on the snapshot data and the historical snapshot data to obtain incremental snapshot data, and sending the incremental snapshot data to the client;
on the basis of S203, this step is intended to perform an incremental calculation between the snapshot data and the historical snapshot data, that is, compare the snapshot data with the historical snapshot data to obtain a difference value, and use the difference value as the incremental snapshot data.
S205, sending the snapshot data to the client.
On the basis of S203, this step is intended to send snapshot data to the client. That is, all snapshot data is sent directly to the client.
Optionally, this embodiment may further include:
step 1, when the server loses a data packet, data recovery is carried out according to the command data packet to obtain lost data;
and 2, carrying out logic processing according to the lost data to obtain snapshot data.
Therefore, in this alternative, when the server loses the data packet, the server performs data recovery operation according to the command data packet to obtain lost data, and performs logic processing according to the lost data to obtain snapshot data.
Therefore, in the embodiment, the server judges the situation obtained by the client, and then selects to send the snapshot data to the client in full or in incremental manner according to the judgment result, so that the data volume of sending the snapshot data to the client by the server is reduced, the occupation of network bandwidth is reduced, and the network performance is improved.
A network transmission method provided in the present application is further described below with a specific embodiment.
In this embodiment, the game is applied as an example, and the game performs network communication at a frequency of 60 frames, and is characterized by a high frequency and a small amount of packet data per game.
For the client, the client sends 5 commands packed with data to the server every frame, that is, the latest command is sent together with the historical four commands, and the latest sequence number of the latest received server message is added. Therefore, when the network has packet loss occasionally and receives the latest command, the server can restore the historical 4 commands, so that a retransmission mechanism is not needed to ensure real-time performance. Current data with historical data is transmitted without re-transmitting the data and retransmission is avoided to increase network data latency.
For the server, when the server side does not receive the client side command, the server side sends the full data, when the server side receives the client side command and reads the server side message sequence number received by the client side, the server side performs incremental sending on the data newly received by the client side, and therefore any packet received later can restore the full data packet
An example of an algorithm for incrementally sending data to the client by the server is as follows, with XYZ being the player to the left of the time: for example, when the player is motionless, the player just starts to send 3 values of the total packets to the client, and after the client receives the values, the client returns the received snapshot sequence number (sequence number 1), and when the server performs incremental sending, the server performs comparison based on the sequence number (sequence number 1) received by the client most recently, if the player does not send the change of 3 values at the motionless position, the client-side does not send the change of 3 values, the value which is not received by the client-side uses the position information (sequence number 1) in the history snapshot of the client-side corresponding to the sequence number, the player position transmission changes when the next frame, such as x-axis moves to 15, at which time x is incrementally transmitted, y and z are not transmitted, the client reads the new x-axis value 15, and y and z continue to use the values in the historical snapshot.
Therefore, in the embodiment, the client generates a new command, packs the new command and the historical command into a command data packet, and sends the command data packet to the server, so that the server can obtain the historical command from the command data packet, and when the server loses the packet, data retransmission is not needed, so that the situation that the data retransmission occupies too much bandwidth is avoided, the network performance is improved, and meanwhile, the reliability of sending the command data is ensured.
In the following, a network transmission apparatus provided in the embodiments of the present application is introduced, and a network transmission apparatus described below and a network transmission method described above may be referred to correspondingly.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a network transmission device according to an embodiment of the present application.
In this embodiment, the apparatus may include:
the command data packet obtaining module 100 is configured to generate a new command, and package the new command and a preset number of historical commands to obtain a command data packet;
a command data packet sending module 200, configured to send the command data packet to a server, so that the server performs logic processing according to the command data packet to obtain snapshot data, and performs snapshot data sending processing according to a condition that the client receives data;
a snapshot data receiving module 300, configured to, when receiving snapshot data, perform logic processing according to the snapshot data to obtain a new command, so as to send a command data packet to the server according to the new command.
An embodiment of the present application further provides a computer apparatus, including:
a memory for storing a computer program;
a processor for implementing the steps of the network transmission method as described in the above embodiments when executing the computer program.
The embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the network transmission method according to the above embodiments.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
A network transmission method, a network transmission device, a computer device and a computer readable storage medium provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. A network transmission method, comprising:
the client generates a new command, and packages the new command and a preset number of historical commands to obtain a command data packet;
sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data, and performing snapshot data sending processing according to the condition that the client receives the data;
and when snapshot data are received, executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
2. The network transmission method according to claim 1, wherein the client generates a new command, and packages the new command with a preset number of historical commands to obtain a command packet, including:
the client performs logic processing according to the received snapshot data to generate a new command;
selecting a preset number of historical commands with the closest time from a stored historical command set;
and packaging the historical commands with the preset number and the new commands to obtain the command data packet.
3. The network transmission method according to claim 1, wherein the server performs logic processing according to the command packet to obtain snapshot data, and includes:
the server carries out logic processing on the command with the time identifier of each command in the command data packet larger than the maximum time identifier of the current command to obtain snapshot data;
and deleting the command with the time identifier of each command in the command data packet less than or equal to the maximum time identifier of the current command.
4. The network transmission method according to claim 1, further comprising:
when the server loses the data packet, data recovery is carried out according to the command data packet to obtain lost data;
and carrying out logic processing according to the lost data to obtain snapshot data.
5. The network transmission method according to claim 1, wherein the sending of the snapshot data according to the condition that the client receives the data comprises:
judging whether the client receives the data or not according to the condition that the client receives the data;
if yes, performing incremental calculation on the snapshot data and historical snapshot data to obtain incremental snapshot data, and sending the incremental snapshot data to the client;
and if not, sending the snapshot data to the client.
6. The network transmission method according to claim 1, wherein when receiving snapshot data, performing logic processing according to the snapshot data to obtain a new command, so as to send a command packet to the server according to the new command, comprising:
when snapshot data is received, judging whether the snapshot data is incremental snapshot data or not;
if yes, performing data restoration according to pre-stored historical snapshot data and the incremental snapshot data to obtain snapshot data;
and executing logic processing according to the snapshot data to obtain a new command so as to send a command data packet to the server according to the new command.
7. The network transmission method according to claim 6, further comprising:
and storing the snapshot data to obtain historical snapshot data.
8. A network transmission apparatus, comprising:
the command data packet acquisition module is used for generating a new command and packaging the new command and a preset number of historical commands to obtain a command data packet;
the command data packet sending module is used for sending the command data packet to a server so that the server can perform logic processing according to the command data packet to obtain snapshot data and perform snapshot data sending processing according to the condition that the client receives the data;
and the snapshot data receiving module is used for executing logic processing according to the snapshot data to obtain a new command when receiving the snapshot data so as to send a command data packet to the server according to the new command.
9. A computer device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the network transmission method as claimed in any one of claims 1 to 7 when executing said computer program.
10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the network transmission method according to one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746754A (en) * | 2021-07-29 | 2021-12-03 | 广东浪潮智慧计算技术有限公司 | Data transmission method, device, equipment and storage medium |
| CN113746754B (en) * | 2021-07-29 | 2024-04-23 | 广东浪潮智慧计算技术有限公司 | Data transmission method, device, equipment and storage medium |
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