CN111800223B - Method, device and system for generating sending message and processing receiving message - Google Patents

Abstract

The invention discloses a method, device and system for generating sending messages and processing receiving messages, and relates to the technical field of computers. A specific implementation of the method includes: generating control information according to the relationship between the number of bytes of the input data and the number of preset check codes; selecting a corresponding check code generation method according to the value of the control information; Generate a check code according to the generation method; the generation method of the check code includes: using a central processing unit to generate a check code, using a network card to generate a check code; according to the input data and the check code, generating and sending message. This embodiment avoids the technical defects of high requirements on hardware equipment and high cost of hardware equipment when using hardware to generate check codes in the prior art, and high time and cost consumption when using software to generate check codes, thereby reducing the cost of generating check codes. At the same time, the efficiency of generating check codes is improved.

Description

Method, device and system for generating sending message and processing receiving message

technical field

The invention relates to the field of computer technology, in particular to a method, device and system for generating sending messages and processing receiving messages.

Background technique

During the transmission of the message, it is necessary to determine the accuracy of the pre-transmission content during transmission. Therefore, a check code needs to be added during the message generation process for subsequent post-transmission checks; when receiving externally transmitted messages, the received message needs to be parsed to further obtain information in the message.

In the process of sending the message, the existing technology uses the CPU to calculate the check code of the input data (that is, the software calculates the check code), and then combines it with the input data to send out; or calculates the check code through a high-performance network card , and then combined with the input data and sent out. Correspondingly, the way of processing the received message is corresponding to that of the sent message.

In the course of realizing the present invention, the inventor finds that there are at least the following problems in the prior art:

1. Use software to calculate the check code, which consumes a lot of CPU computing power;

2. Using a high-performance network card to calculate the check code saves the computing power of the CPU, but requires a dedicated and complex high-performance network card chip to implement, and the cost is relatively high.

Contents of the invention

In view of this, the embodiments of the present invention provide a method, device, and system for generating sent messages and processing received messages, which can avoid the high cost and high requirements for hardware equipment when using hardware to generate check codes in the prior art, and the use of software The technical defect of high time cost when generating the check code can further improve the efficiency of generating the check code while reducing the cost of generating the check code.

In order to achieve the above purpose, according to an aspect of the embodiments of the present invention, a method for generating a sending message is provided, including:

Generate control information according to the relationship between the number of bytes of input data and the number of preset checksums;

According to the value of the control information, select the generation method of the corresponding check code;

Generate a check code according to the generation method; the generation method of the check code includes: using a central processing unit to generate a check code, and using a network card to generate a check code;

Generate a sending message according to the input data and the verification code.

Optionally, the value of the control information includes: a first control information value and a second control information value;

Wherein, the first control information value is used to indicate that there is no preset relationship between the number of bytes of the input data and the number of preset check codes;

The second control information value is used to indicate that there is a preset relationship between the number of bytes of the input data and the number of preset check codes.

Optionally, according to the value of the control information, selecting a corresponding verification code generation method includes:

When the value of the control information is the first control information value, the central processing unit generates a check code;

When the value of the control information is the second control information value, a method of generating a check code by the network card is adopted.

According to another aspect of the embodiments of the present invention, a method for processing a received message is provided, including:

Get received message;

According to the relationship between the number of bytes in the received message and the number of preset check codes, select the check method of the received message; the processing method of the received message includes: using a central processing unit to check Check, use the network card to check;

The received message is verified according to the verification mode, and if the received message is correct, the received message is stored.

Optionally, according to the relationship between the number of bytes in the received message and the number of preset check codes, selecting a check method for the received message includes:

When there is a preset relationship between the number of bytes in the received message and the number of preset check codes, the way to verify the received message is to use a network card for verification;

When there is no preset relationship between the number of bytes in the received message and the number of preset check codes, the way to verify the received message is to use a central processing unit to perform verification.

Optionally, verifying the received message according to the verification method, if the received message is correct, storing the received message, including:

Verifying the received message according to the verification method, and generating control information according to the verification method;

If the received message is correct, combining and storing the received message and corresponding control information;

Wherein, when the verification method is to use a central processing unit for verification, the value of the control information is the first control information value; when the verification method is to use a network card for verification, the control information The value of is the second control information value.

According to still another aspect of the embodiments of the present invention, a system for processing messages is provided, including: a central processing module and a network card module;

Among them, when applying to generate sending message:

The central processing module is used to generate control information according to the relationship between the number of bytes of the input data and the number of preset check codes; select the corresponding check code generation method according to the value of the control information; when When the value of the control information is the first control information value, a check code is generated;

The network card module is configured to generate a check code when the value of the control information is the second control information value; generate a sending message according to the input data and the check code;

Wherein, the first control information value is used to indicate that the number of bytes of the input data is not an integral multiple of the number of preset check codes; the second control information value is used to indicate that the number of bytes of the input data Quantity is an integer of the number of preset check codes;

and / or,

When applied to processing received messages:

The network card module is used to obtain a received message; according to the relationship between the number of bytes in the received message and the number of preset check codes, select a method for processing the received message; when the received message When the number of bytes in the text is an integer multiple of the number of preset check codes, the received message is checked;

The central processing module is used to check the received message when the number of bytes in the received message is not an integral multiple of the number of preset check codes; if the received message is correct, then Store the received message.

According to another aspect of the embodiments of the present invention, there is provided an apparatus for generating a sending message, including:

A control information generation module, configured to generate control information according to the relationship between the number of bytes of input data and the number of preset checksums;

A verification code generation method determining module is used to select a corresponding verification code generation method according to the value of the control information;

A verification code generation module, used to generate a verification code according to the generation method; the generation method of the verification code includes: using a central processing unit to generate a verification code, and using a network card to generate a verification code;

A sending message generating module, configured to generate a sending message according to the input data and the verification code.

According to another aspect of the embodiments of the present invention, a device for processing received messages is provided, including:

A receiving message obtaining module, configured to obtain receiving messages;

A received message processing mode determination module, configured to select the check mode of the received message according to the relationship between the number of bytes in the received message and the number of preset check codes; The processing methods include: using the central processing unit for verification, and using the network card for verification;

The received message storage module is configured to verify the received message according to the method, and store the received message if the received message is correct.

According to another aspect of the embodiments of the present invention, an electronic device for processing messages is provided, including:

one or more processors;

storage means for storing one or more programs,

When the one or more programs are executed by the one or more processors, the one or more processors are made to implement the message processing method provided by the present invention.

According to still another aspect of the embodiments of the present invention, a computer-readable medium is provided, on which a computer program is stored, and when the program is executed by a processor, the method for processing a packet provided by the present invention is implemented.

An embodiment of the above invention has the following advantages or beneficial effects:

In the optional embodiment of the present application, hardware (that is, a network card) is used to realize the calculation of the check code of a message with one or more fixed lengths. Software can be used to generate check codes on the CPU, thereby avoiding the technical defects of high requirements for hardware devices and high cost of hardware equipment when using hardware to generate check codes in the prior art, and high time and cost consumption when using software to generate check codes. Furthermore, while reducing the cost of generating the verification code, the efficiency of generating the verification code is improved.

The further effects of the above-mentioned non-conventional alternatives will be described below in conjunction with specific embodiments.

Description of drawings

The accompanying drawings are used to better understand the present invention, and do not constitute improper limitations to the present invention. in:

Fig. 1 is a schematic diagram of the main flow of a method for generating and sending a message according to an embodiment of the present invention;

2 is a schematic diagram of the main flow of the process of sending input data to an external network according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a main flow for processing received messages according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a detailed flow of processing a received message according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a message processing system according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of main modules of a device for generating and sending messages according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of main modules of a device for processing received messages according to an embodiment of the present invention;

Fig. 8 is an exemplary system architecture diagram to which the embodiment of the present invention can be applied;

FIG. 9 is a schematic structural diagram of a computer system suitable for implementing a terminal device or a server according to an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

The most commonly used method of error checking code in the field of data communication includes but is not limited to one of the following three main methods, specifically, including: parity check, Hamming code, CRC cyclic redundancy check code (Cyclic RedundancyCheck ). When a CRC cyclic redundancy check code is used to generate a check code, the check code can be set at the end of the input data.

In order to increase the calculation speed of the check code, hardware in the prior art usually adopts a parallel calculation method. Specifically, assuming that the bit width of the input data in the message is 32B, the hardware needs to set a module with a bit width of 32B to calculate the check code. Since the length of the message itself is arbitrary, the last data bit width of the message input may be 1B to 32B, so the hardware also needs to set up another 31 hardware calculation modules with different data bit widths. Furthermore, in the prior art, when using hardware to calculate the check code, a higher-performance network card needs to be used. Since the structure of the high-performance network card is relatively complicated and the cost is high, the cost consumed by the high-performance network card is relatively high.

In the prior art, when transmitting a message, software is also used to calculate a check code. Among them, the software calculation is to store the message in the memory corresponding to the CPU (Central Processing Unit), and the CPU calculates the check code of the input data. However, the use of software to calculate the check code will produce technical defects that consume CPU computing power, and there are also technical defects that cannot meet the requirements of high-bandwidth network transmission.

In the optional embodiment of the present application, hardware (that is, a network card) is used to realize the calculation of the check code of a message with one or more fixed lengths. Software can be used to generate check codes on the CPU, thereby avoiding the technical defects of high requirements for hardware devices and high cost of hardware equipment when using hardware to generate check codes in the prior art, and high time and cost consumption when using software to generate check codes. Furthermore, the technical effect of increasing the efficiency of generating the verification code while reducing the cost of generating the verification code is achieved.

Specifically, FIG. 1 is a schematic diagram of the main flow of a method for generating and sending a message according to an embodiment of the present invention, as shown in FIG. 1 , including:

Step S101, generating control information according to the relationship between the number of bytes of input data and the number of preset check codes;

Step S102, according to the value of the control information, select the generation method of the corresponding check code;

Step S103, generating a check code according to the generation method; the generation method of the check code includes: using a central processing unit to generate a check code, and using a network card to generate a check code;

Step S104, generating a sending message according to the input data and the verification code.

When the CPU sends a message, the CPU is used to judge the generation method of the check code according to the length of the number of bytes in the input data. Specifically, if the network card does not support the calculation of the check code of the number of bytes in the input data, then use the software in the CPU to calculate the check code, and then splicing it to the end of the input data and then sending it to the network card for transmission; if the network card supports For the calculation of the check code of this length, the input data is directly sent to the network card for transmission, and the network card calculates the check code, which is spliced to the end of the input data and then transmitted to the external network.

Through the above technical means, the hardware part for implementing the above steps can be simplified, that is, the hardware part can use a low-performance network card to perform part of the operation of generating the verification code, thereby reducing the cost of generating the verification code by hardware. This solution saves hardware implementation costs while meeting the same network transmission bandwidth requirements.

Moreover, this solution solves the technical problem of excessive calculation pressure on the CPU when the CPU is used to calculate the check code of all input data in the prior art by using the technical means of calculating part of the check code by the CPU, thereby achieving improved calculation and verification. Code efficiency, the technical effect of reducing computing costs. The present application can also achieve the technical effect of meeting the current demand for high-bandwidth transmission by reducing the calculation amount of the CPU.

After the CPU determines the relationship between the number of bytes of the input data and the number of preset checksums, it can generate control information for setting the input data. The control information can use 0 and 1, or other preset fields to indicate that the check code is set by using the network card and the check code is set by software in the CPU.

Specifically, the value of the control information may include: a first control information value and a second control information value;

The control information may include the judgment result of the relationship between the number of bytes of input data and the number of preset check codes and/or an identification of whether the network card is required to perform check code calculation;

Wherein, the first control information value is used to indicate that there is no preset relationship between the number of bytes of the input data and the number of preset check codes;

The second control information value is used to indicate that there is a preset relationship between the number of bytes of the input data and the number of preset check codes.

Specifically, the preset relationship includes but is not limited to: the number of bytes of the input data is an integer multiple of the number of preset check codes, and other numbers may be added after the integer multiple.

Wherein, the preset number of check codes refers to the number of bytes preset in the system for parallel calculation, for example, 32B.

When there is a preset relationship between the number of bytes of the input data and the number of preset check codes, the number of bytes can be in multiple situations, that is, the network card can generate checksums for one or more input data of different lengths. check code. Since the network card used in this application only needs to realize the CRC check of messages of several lengths, and does not need to use a higher-performance network card, this application will not increase economic costs while improving performance.

Specifically, when the value of the control information is the first control information value (that is, there is no preset relationship between the number of bytes of the input data and the number of preset check codes), the central processing The way the device generates the check code is set as the way of generating the check code corresponding to the control information;

When the value of the control information is the second control information value (that is, there is a preset relationship between the number of bytes of the input data and the number of preset check codes), the network card will be used to generate the check code The method is set as the method of generating the verification code corresponding to the control information.

The application sets the control information so that when the software (CPU) completes the generation of the verification code, the hardware does not need to repeatedly generate the verification code; when the hardware completes the generation of the verification code, the software does not need to repeatedly generate the verification code.

Through the technical means of software and hardware coordination, an appropriate technical means for generating input data can be selected according to the length of the input data, thereby improving the efficiency of generating check codes.

Optionally, the calculation of the input data verification code for small flows is implemented in software, and the calculation of input data verification codes for large flows is implemented in dedicated hardware, thereby ensuring the integrity of the network card functions and supporting all lengths The transmission of the input data satisfies the need of high-bandwidth transmission, so that most of the calculation of the input data check code is completed by the network card.

Fig. 2 is a schematic diagram of the main flow of the process of sending input data to an external network according to an embodiment of the present invention, as shown in Fig. 2 , including:

S201. Using the CPU to determine input data;

S202. Determine the byte length of the input data;

S203. Determine the relationship between the byte length judgment and the number of preset check codes;

S204. Generate control information according to the relationship; wherein, when it is determined that the relationship is an integer multiple, the value of the control information is the first control information value, and perform S206; when it is determined that the relationship is not an integer multiple, then The value of the control information is the second control information value, execute S205;

S205. Use the central processing unit to generate a check code, combine the input data and the generated check code, send it to the network card, and send it to the external network in a transparent transmission mode in the network card;

S206, using the network card to read the input data; execute S207;

S207. The network card determines whether the input data needs to calculate a check code according to the control information; if necessary, generates a check code according to the input data;

S206. Generate a sending message according to the input data and the verification code generated in S207, and send it to the external network.

A method of processing a received message corresponding to the method of generating a sent message for input data is shown in FIG. 3 , wherein FIG. 3 is a schematic diagram of a main process of processing a received message according to an embodiment of the present invention. Specifically, include the following steps:

S301. Obtain a received message;

S302. According to the relationship between the number of bytes in the received message and the number of preset check codes, select a verification method for the received message; the processing method for the received message includes: using a central processing unit Perform verification, use network card for verification;

S303. Verify the received message according to the verification method, and store the received message if the received message is correct.

The received message is an original message from an external network, and when the verification method is CRC (Cyclic Redundancy Check), the check code may be at the end of the original message.

The above steps of processing the received message correspond to the steps of generating the sent message.

If there is a preset relationship between the input data and the number of preset check codes, after adding the check codes to the input data, there is still a preset relationship with the preset check codes. Therefore, when receiving a message, you can choose the way to process the received message on the network card side.

Specifically, according to the relationship between the number of bytes in the received message and the number of preset check codes, selecting a check method for the received message includes:

When the number of bytes in the received message is an integral multiple of the number of preset check codes, the way to verify the received message is to use a network card for verification;

When the number of bytes in the received message is not an integer multiple of the number of preset check codes, the received message can be transmitted to the memory corresponding to the CPU in a transparent transmission mode until the CPU checks, specifically , the method of verifying the received message is to use the central processing unit to perform verification.

Optionally, verifying the received message according to the verification method, if the received message is correct, storing the received message, including:

Verifying the received message according to the verification method, and generating control information according to the verification method; the value of the control information is a first control information value and a second control information value;

When the verification method is to use a central processing unit to perform verification, the value of the control information is the first control information value;

When the verification method is to use a network card for verification, the value of the control information is the second control information value;

If the received message is correct, combine and store the received message and corresponding control information.

Fig. 4 is a schematic diagram of a detailed flow of processing a received message according to an embodiment of the present invention. As shown in Figure 4, the process of processing received messages will be described in detail below with a specific embodiment, including:

S401. Receive a message from an external network;

S402. According to the relationship between the number of bytes in the received message and the number of preset check codes, select the check method of the received message; if the central processing unit is used for checking, then execute S403; If the network card is verified, S404 is executed;

S403. Determine whether the verification code in the received message has been verified, if not, transmit the received message to the memory corresponding to the CPU through the transparent transmission mode, and verify the received message, if correct Then store the received message, and generate control information for indicating the verification mode, otherwise discard the received message;

S404. Use the network card to verify the received message, if it is correct, store the received message, and generate control information for indicating the verification method, and store it in the memory corresponding to the CPU; otherwise, discard the received message message.

Fig. 5 is a schematic diagram of a message processing system according to an embodiment of the present invention. As shown in Figure 5, a system for processing messages includes: a central processing module and a network card module;

Among them, when applying to generate sending message:

The central processing module is used to generate control information according to the relationship between the number of bytes of the input data and the number of preset check codes; select the corresponding check code generation method according to the value of the control information; when When the value of the control information is the first control information value, a check code is generated;

The network card module is configured to generate a check code when the value of the control information is the second control information value; generate a sending message according to the input data and the check code;

Wherein, the first control information value is used to indicate that the number of bytes of the input data is not an integral multiple of the number of preset check codes; the second control information value is used to indicate that the number of bytes of the input data Quantity is an integer of the number of preset check codes;

and / or,

When applied to processing received messages:

The network card module is used to obtain a received message; according to the relationship between the number of bytes in the received message and the number of preset check codes, select a method for processing the received message; when the received message When the number of bytes in the text is an integer multiple of the number of preset check codes, the received message is checked;

The central processing module is used to check the received message when the number of bytes in the received message is not an integral multiple of the number of preset check codes; if the received message is correct, then Store the received message.

Specifically, this application can also be used in the network protocol ROCEv2, wherein the check field corresponding to the network protocol ROCEv2 is named ICRC, and its calculation method is similar to the crc of an Ethernet packet. The module for calculating the check code provided in this application and the method for calculating the check code with the cooperation of software and hardware can also be applied to the sending and receiving of rocev2 protocol messages. Among them, RoCE (RDMA over Converged Ethernet) is a network protocol that allows the use of remote direct memory access (RDMA) over Ethernet.

Fig. 6 is a schematic diagram of a main module of a device for generating a sending message according to an embodiment of the present invention; as shown in Fig. 6 , a device 600 for generating a sending message is provided, including:

A control information generation module 601, configured to generate control information according to the relationship between the number of bytes of input data and the number of preset checksums;

A check code generation method determining module 602, configured to select a corresponding check code generation method according to the value of the control information;

The verification code generation module 603 is used to generate a verification code according to the generation method; the generation method of the verification code includes: using a central processing unit to generate a verification code, and using a network card to generate a verification code;

A sending message generating module 604, configured to generate a sending message according to the input data and the verification code.

FIG. 7 is a schematic diagram of main modules of a device for processing received messages according to an embodiment of the present invention; as shown in FIG. 7 , a device 700 for processing received messages is provided, including:

A received message obtaining module 701, configured to obtain a received message;

The received message processing mode determination module 702 is used to select the verification mode of the received message according to the relationship between the number of bytes in the received message and the number of preset check codes; the received message The processing methods include: using the central processing unit for verification, and using the network card for verification;

The received message storage module 703 is configured to verify the received message according to the method, and store the received message if the received message is correct.

Fig. 8 shows an exemplary system architecture 800 of a method for generating a sending message and processing a receiving message or an apparatus for generating a sending message and processing a receiving message in an embodiment of the present invention.

As shown in FIG. 8 , a system architecture 800 may include terminal devices 801 , 802 , and 803 , a network 804 and a server 805 . The network 804 is used as a medium for providing communication links between the terminal devices 801 , 802 , 803 and the server 805 . Network 804 may include various connection types, such as wires, wireless communication links, or fiber optic cables, among others.

Users can use terminal devices 801, 802, 803 to interact with server 805 through network 804 to receive or send messages and the like. Various communication client applications can be installed on the terminal devices 801, 802, and 803, such as shopping applications, web browser applications, search applications, instant messaging tools, email clients, social platform software, etc. (just examples).

The terminal devices 801, 802, and 803 may be various electronic devices with display screens and supporting web browsing, including but not limited to smart phones, tablet computers, laptop computers, desktop computers, and the like.

The server 805 may be a server that provides various services, such as a background management server that provides support for shopping websites browsed by users using the terminal devices 801 , 802 , and 803 (just an example). The background management server can analyze and process the received data such as product information query requests, and feed back the processing results (such as target push information, product information—just an example) to the terminal device.

It should be noted that the methods for generating sent messages and processing received messages provided by the embodiments of the present invention are generally executed by the server 805 , and correspondingly, the device for generating sent messages and processing received messages is generally set in the server 805 .

It should be understood that the numbers of terminal devices, networks and servers in FIG. 8 are only illustrative. According to the implementation needs, there can be any number of terminal devices, networks and servers.

Referring now to FIG. 9 , it shows a schematic structural diagram of a computer system 900 suitable for implementing a terminal device according to an embodiment of the present invention. The terminal device shown in FIG. 9 is only an example, and should not limit the functions and scope of use of this embodiment of the present invention.

As shown in FIG. 9 , a computer system 900 includes a central processing module (CPU) 901, which can operate according to a program stored in a read-only memory (ROM) 902 or a program loaded from a storage section 908 into a random access memory (RAM) 903 Instead, various appropriate actions and processes are performed. In the RAM 903, various programs and data necessary for the operation of the system 900 are also stored. The CPU 901 , ROM 902 , and RAM 903 are connected to each other via a bus 904 . An input/output (I/O) interface 905 is also connected to the bus 904 .

The following components are connected to the I/O interface 905: an input section 906 including a keyboard, a mouse, etc.; an output section 907 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker; a storage section 908 including a hard disk, etc. and a communication section 909 including a network interface card such as a LAN card, a modem, or the like. The communication section 909 performs communication processing via a network such as the Internet. A drive 910 is also connected to the I/O interface 905 as needed. A removable medium 911 such as a magnetic disk, optical disk, magneto-optical disk, semiconductor memory, etc. is mounted on the drive 910 as necessary so that a computer program read therefrom is installed into the storage section 908 as necessary.

In particular, according to the disclosed embodiments of the present invention, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, the disclosed embodiments of the present invention include a computer program product, which includes a computer program carried on a computer-readable medium, where the computer program includes program codes for executing the methods shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via communication portion 909 and/or installed from removable media 911 . When this computer program is executed by a central processing module (CPU) 901, the above-mentioned functions defined in the system of the present invention are performed.

It should be noted that the computer-readable medium shown in the present invention may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above two. A computer readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer diskettes, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. In the present invention, a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device. In the present invention, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, in which computer-readable program codes are carried. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. . Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, program segment, or portion of code that includes one or more logical functions for implementing specified executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. It should also be noted that each block in the block diagrams or flowchart illustrations, and combinations of blocks in the block diagrams or flowchart illustrations, can be implemented by a dedicated hardware-based system that performs the specified function or operation, or can be implemented by a A combination of dedicated hardware and computer instructions.

The modules involved in the embodiments described in the present invention may be implemented by software or by hardware. The described modules may also be set in a processor. For example, it may be described as: a processor includes a sending module, an acquiring module, a determining module, and a first processing module. Wherein, the names of these modules do not limit the module itself under certain circumstances, for example, the sending module can also be described as "a module that sends a picture acquisition request to the connected server".

As another aspect, the present invention also provides a computer-readable medium. The computer-readable medium may be contained in the device described in the above embodiments, or it may exist independently without being assembled into the device. The above-mentioned computer-readable medium carries one or more programs, and when the above-mentioned one or more programs are executed by the device, the device includes:

Generate control information according to the relationship between the number of bytes of input data and the number of preset checksums;

According to the value of the control information, select the generation method of the corresponding check code;

Generate a check code according to the generation method; the generation method of the check code includes: using a central processing unit to generate a check code, and using a network card to generate a check code;

Generate a sending message according to the input data and the verification code.

According to the technical solutions of the embodiments of the present invention, the following beneficial effects can be achieved:

In the optional embodiment of the present application, hardware (that is, a network card) is used to realize the calculation of the check code of a message with one or more fixed lengths. Software can be used to generate check codes on the CPU, thereby avoiding the technical defects of high requirements for hardware devices and high cost of hardware equipment when using hardware to generate check codes in the prior art, and high time and cost consumption when using software to generate check codes. Furthermore, the technical effect of improving the efficiency of generating the verification code while reducing the cost of generating the verification code is achieved.

The above specific implementation methods do not constitute a limitation to the protection scope of the present invention. It should be apparent to those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. A method for generating and sending messages, characterized in that, comprising: According to the relationship between the number of bytes of input data and the number of preset check codes, control information is generated; wherein, the value of the control information includes: a first control information value and a second control information value; the first The control information value is used to indicate that there is no preset relationship between the number of bytes of the input data and the number of preset check codes; the second control information value is used to indicate that the number of bytes of the input data and the number of preset The number of check codes has a preset relationship; the preset relationship is whether the number of bytes of the input data is an integral multiple of the number of preset check codes; the number of preset check codes is preset in the system The number of bytes used for parallel computing in According to the value of the control information, selecting the generation method of the corresponding verification code includes: when the value of the control information is the first control information value, adopting the method of generating the verification code by the central processing unit; When the value of the control information is the second control information value, the network card generates a verification code; Generate a verification code according to the generation method; Generate a sending message according to the input data and the verification code. 2. A method for processing received messages, comprising: Get received message; According to the relationship between the number of bytes in the received message and the number of preset check codes, selecting a verification method for the received message includes: when the number of bytes in the received message is the same as the preset number of check codes When there is a preset relationship between the number of check codes, the way to verify the received message is to use a network card for verification; when there is no preset relationship between the number of bytes in the received message and the number of preset check codes , the method of verifying the received message is to use the central processing unit for verification; the number of preset check codes is the number of bytes preset in the system for parallel calculation; the preset relationship is input data Whether the number of bytes is an integral multiple of the number of preset check codes; The received message is verified according to the verification mode, and if the received message is correct, the received message is stored. 3. The method according to claim 2, wherein the received message is verified according to the verification method, and if the received message is correct, the received message is stored, including: Verifying the received message according to the verification method, and generating control information according to the verification method; If the received message is correct, combining and storing the received message and corresponding control information; Wherein, when the verification method is to use a central processing unit for verification, the value of the control information is the first control information value; when the verification method is to use a network card for verification, the control information The value of is the second control information value. 4. A system for processing messages, comprising: a central processing module and a network card module; Among them, when applying to generate sending message: The central processing module is used to generate control information according to the relationship between the number of bytes of input data and the number of preset check codes; the number of preset check codes is preset in the system for parallel computing The number of bytes; according to the value of the control information, select the generation method of the corresponding check code; wherein, the value of the control information includes: the first control information value and the second control information value; the first control information value The information value is used to indicate that there is no preset relationship between the number of bytes of the input data and the number of preset check codes; the second control information value is used to indicate that the number of bytes of the input data is not related to the number of preset check codes. There is a preset relationship between the number of check codes; the preset relationship is whether the number of bytes of the input data is an integer multiple of the number of preset check codes; when the value of the control information is the first control information value In the case of the case, the check code is generated by the central processor to generate the check code; The network card module is used to generate a check code by using the network card to generate a check code when the value of the control information is the second control information value; according to the input data and the check code, generate send message; Wherein, the first control information value is used to indicate that the number of bytes of the input data is not an integral multiple of the number of preset check codes; the second control information value is used to indicate that the number of bytes of the input data The number is an integral multiple of the number of preset check codes; and / or, When applied to processing received messages: The network card module is used to obtain a received message; according to the relationship between the number of bytes in the received message and the number of preset check codes, select a method for processing the received message, including: when the When there is a preset relationship between the number of bytes in the received message and the number of preset check codes, the way to verify the received message is to use a network card for verification; When there is no preset relationship in the number of check codes, the way to check the received message is to use the central processor to check; the number of preset check codes is the number of words preset in the system for parallel computing. The number of sections; the preset relationship is whether the number of bytes of the input data is an integer multiple of the number of preset check codes; when the number of bytes in the received message is the number of preset check codes Integer multiple, verifying the received message; The central processing module is used to check the received message when the number of bytes in the received message is not an integral multiple of the number of preset check codes; if the received message is correct, then Store the received message. 5. A device for generating a sending message, characterized in that, comprising: The control information generation module is used to generate control information according to the relationship between the number of bytes of input data and the number of preset check codes; the value of the control information includes: a first control information value and a second control information value ; Wherein, the first control information value is used to indicate that there is no preset relationship between the number of bytes of the input data and the number of preset check codes; the second control information value is used to indicate that the input data There is a preset relationship between the number of bytes and the number of preset check codes; the number of preset check codes is the number of bytes preset in the system for parallel computing; the preset relationship is the number of input data Whether the number of bytes is an integer multiple of the number of preset check codes; A check code generation method determining module, configured to select a corresponding check code generation method according to the value of the control information, including: when the value of the control information is the first control information value, using the central processing unit A method of generating a check code; when the value of the control information is the second control information value, a method of generating a check code by a network card is used; A verification code generating module, configured to generate a verification code according to the generation method; A sending message generating module, configured to generate a sending message according to the input data and the verification code. 6. A device for processing received messages, comprising: A receiving message obtaining module, configured to obtain receiving messages; The module for determining the processing mode of the received message is used to select the verification mode of the received message according to the relationship between the number of bytes in the received message and the number of preset check codes, including: when the received message When there is a preset relationship between the number of bytes in the message and the number of preset check codes, the way to verify the received message is to use a network card for verification; when the number of bytes in the received message is the same as the preset When the number of check codes does not have a preset relationship, the way to check the received message is to use the central processor to check; the number of preset check codes is the number of bytes preset in the system for parallel computing number; the preset relationship is whether the number of bytes of the input data is an integer multiple of the preset check code number; The received message storage module is configured to verify the received message according to the method, and store the received message if the received message is correct. 7. An electronic device for processing messages, comprising: one or more processors; storage means for storing one or more programs, When the one or more programs are executed by the one or more processors, the one or more processors are made to implement the method according to any one of claims 1-3. 8. A computer-readable medium, on which a computer program is stored, wherein, when the program is executed by a processor, the method according to any one of claims 1-3 is implemented.

Images