CN112565295A - Instruction response optimization method based on sequential coding - Google Patents
Instruction response optimization method based on sequential coding Download PDFInfo
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- CN112565295A CN112565295A CN202011549305.XA CN202011549305A CN112565295A CN 112565295 A CN112565295 A CN 112565295A CN 202011549305 A CN202011549305 A CN 202011549305A CN 112565295 A CN112565295 A CN 112565295A
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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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- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
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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
- H04L69/22—Parsing or analysis of headers
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Abstract
The invention provides an instruction response optimizing party based on sequential coding, which is characterized in that a characteristic code field is added in an instruction message and an instruction response message, an instruction sender modifies an instruction characteristic value in a sequential circulation increasing mode in the instruction sending process, an instruction is analyzed by a routing forwarding node and generates an instruction flow message in the routing sending process and returns the instruction flow message to the instruction sender, finally, an instruction receiver receives the instruction, analyzes and obtains the value of the characteristic code of the instruction message, and fills and sends the content of the original instruction characteristic code in the characteristic code field of the instruction response message after the instruction execution is finished, so that the unique matching and the correspondence of the instruction and the response are realized. The invention can not only improve the fine monitoring of the user on the instruction execution condition in the task cycle, but also greatly improve the perception of the user on the instruction execution condition, realize the link state monitoring of the user in the task operation cycle, and facilitate the rapid positioning of the problem of the instruction response abnormity under the condition of the channel link abnormity.
Description
Technical Field
The invention relates to the field of communication systems, in particular to a method for realizing instruction sending requiring response processing in a network communication process.
Background
Instruction response is a common way for an instruction sender to obtain the results of an instruction executed by an instruction receiver during communication. The specific process comprises the steps that an instruction sender generates an instruction according to the requirement of an application layer and transmits the instruction through a channel, an instruction receiver receives the instruction and executes the instruction target operation, the instruction receiver takes the instruction execution result information as an instruction response and then sends the response, and the instruction sender receives and analyzes the response content through the channel and further obtains the receiving condition, the processing result and the response timeliness information of the instruction receiver in response to the instruction. In an actual application environment, in order to ensure the success rate and timeliness of instruction execution, under the condition that an instruction sender does not receive a response or fails to respond, the instruction sender repeatedly sends an instruction with failed response for multiple times is a common processing means. If the instruction response tracking under the condition of continuously sending a plurality of same instructions is carried out only through the instruction execution information in the instruction response, the phenomenon that the corresponding relation between a plurality of continuously sent instructions and a plurality of continuously received responses is disordered due to the fact that the contents of a plurality of received response messages are consistent and the distinguishing identifications are lacked can be generated, and accurate instruction tracking, instruction routing and clear perception of the instruction execution condition can not be carried out.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an instruction response optimization method based on sequential coding, which is characterized in that a characteristic code field of two bytes is added in an instruction message and an instruction response message, the characteristic code field is respectively used for filling an instruction characteristic value and a response characteristic value, an instruction sender modifies the instruction characteristic value according to a sequential cyclic increasing mode from 0 to 65535 in the instruction sending process, and fills the characteristic value in the characteristic code field of the instruction message; in the process of sending the route by the instruction, the route forwarding node analyzes the content of the feature codes of two bits at the tail of the instruction message every time the instruction passes through one route forwarding node, generates an instruction flow message and returns the instruction flow message to the instruction sender, wherein the message comprises the marking information of the route node and the instruction feature codes; finally, after the instruction receiver receives the instruction, the instruction receiver firstly analyzes and acquires the characteristic code value of the instruction message, and after the instruction is executed, the original instruction characteristic code content is filled and transmitted in the characteristic code field of the instruction response message, so that the unique matching and the correspondence of the instruction and the response are realized, the fine perception of the instruction transmitter on the instruction response condition can be realized, and the time delay, the packet loss and the routing transmission condition of an instruction transmitting channel can be acquired through the characteristic values in the instruction response and the instruction stream transfer message.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps:
(1) firstly, modifying a communication protocol of an instruction message and an instruction response message, adding two byte feature code fields at the tail of the instruction message and the response message, and synchronously adding the lengths of two bytes corresponding to the lengths of the instruction message and the instruction response message; the characteristic code field is respectively used for filling instruction characteristic values in the instruction message by an instruction sender and filling response characteristic values by an instruction responder;
(2) after an instruction sender operates, a characteristic value variable is created and is initially 0, in the process of sending each instruction, the characteristic value is added with 1, when the characteristic value is larger than a threshold value, the characteristic value is processed to be 0, the numerical value of the characteristic value is filled in a characteristic code field of an instruction message, and sent instruction information is stored one by one for realizing all sending instruction retrieval in a task period;
(3) in the process of receiving and retransmitting the instruction, the routing node firstly obtains a characteristic numerical value in a characteristic code field of the instruction message by directly reading two bytes at the tail of the instruction message, generates an instruction circulation message by the routing node after the instruction message is retransmitted by the routing node, and sends the instruction circulation message back to the instruction sender, so that the generation of the routing message from the instruction receiver and the return of the routing message to the instruction sender are completed;
(4) after receiving the instruction forwarded by the routing node, the instruction receiving party firstly obtains the instruction content in the instruction message and the characteristic numerical values in the characteristic code fields of two bytes at the tail of the instruction message through the analysis of the instruction message, and in the instruction execution response process of the instruction receiving party, on one hand, the instruction receiving party fills the characteristic numerical value of each received instruction in the characteristic code field of the corresponding response message to send the response message, and the instruction response of the instruction receiving party is completed; on the other hand, the instruction receiver completes the storage record of the receiving instruction information and the response instruction information;
(5) the instruction sender obtains the characteristic value in the characteristic code field of the instruction response message by receiving and analyzing the instruction response message returned by the instruction receiver, and the instruction sender searches the stored sending instruction information set according to the comparison to realize the unique matching of all sent instructions and received responses, furthermore, the instruction sender not only determines the execution and response conditions of any instruction, but also determines whether the corresponding instruction belongs to the execution success, no response or overlong response cycle of the instruction in the execution cycle by setting the execution time threshold of the instruction, and the instruction sending party further analyzes the time delay, packet loss and route forwarding link layer information of the instruction sending channel and the response loopback channel according to the analysis of the instruction sending and response receiving conditions in a specific time period, so that the quantitative perception of the user on the link communication quality is met.
The transmitted instruction information includes instruction content, transmission time and instruction characteristic value.
The threshold value for the feature value is 65535.
The invention has the beneficial effects that:
(1) the invention adds the characteristic code field in the instruction message and the response message, only adds the characteristic code field at the tail of the response message of the instruction on the basis of not changing the instruction and the response protocol analysis to the maximum extent, and realizes the uniqueness matching of the instruction and the response under the condition of correspondingly increasing the protocol interface change of the message length. The method can not only improve the fine monitoring of the user on the instruction execution condition in the task period, but also greatly improve the perception of the user on the instruction execution condition.
(2) According to the invention, through realizing the one-to-one correspondence of the instruction and the response, the information such as time delay information, response overtime, response loss, route forwarding process and the like between instruction sending and response can be calculated and obtained, and then the condition whether the instruction execution period and the instruction success rate meet the pre-designed performance index is obtained, the link state monitoring in the task operation period by a user is realized, the problem of instruction response abnormity under the condition of channel link abnormity is conveniently and rapidly positioned, and further the targeted optimization and improvement are carried out on the instruction system according to the channel link route operation state.
(3) By expanding the instruction and responding the message content, the invention not only can realize the refined acquisition of the instruction execution information by filling the feature code, but also can further expand the function of the feature code, and realize the transmission and the function realization of the instruction priority and the instruction execution period information.
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FIG. 1 is a schematic diagram of an instruction response optimization method based on sequential encoding according to the present invention.
FIG. 2 is a flow chart of the instruction response optimization method based on sequential encoding according to the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
According to the demand of a user for the fine perception of response detail information in the command response process, firstly, the feature code field is added by expanding the command and response message structures, so that the feature code field of each command sent in a task period is filled with a unique feature numerical value. The method comprises the steps that an instruction receiving party firstly analyzes and obtains a feature code in an instruction in a response process, and correspondingly fills and sends the feature code in a feature code field of a response message, so that all instructions and responses in a task period can be uniquely corresponding through the feature code field, and further, an instruction sending party can obtain information such as corresponding instruction response conditions and instruction execution time delay according to a feature value in the response message. The communication link quality information of the instruction sending channel can be further obtained by responding to the instruction in the task period and the corresponding condition of the response, and the problem can be checked and positioned on a link layer under the condition of abnormal instruction execution. The method has the advantages of few changes to the states of the existing instruction and response communication protocols, low implementation difficulty, controllable protocol improvement cost, and capability of acquiring link quality information in the whole task period for real-time monitoring, thereby meeting the requirement of a user on the refined perception of an instruction response system, and increasing and improving the troubleshooting means and problem positioning efficiency under the condition of abnormal instruction execution.
The consumption of expanding the interfaces of the instruction and the response message and the actual demand of the user for the refined perception of the instruction execution information are integrated, the development difficulty degree when the specific function is realized is also considered, the application development period can be shortened by the method of increasing the feature codes of the instruction and the response message, the user operation can be simplified, and the user demand can be realized.
The technical scheme adopted by the invention comprises the following steps:
(1) firstly, modifying a command message and command response message communication protocol, adding a characteristic code field at the tail of the command message and the command response message, and synchronously adding the length of the characteristic code field corresponding to the lengths of the command message and the command response message. The characteristic code field is respectively used for filling instruction characteristic values in the instruction message by an instruction sender and filling response characteristic values by an instruction responder;
(2) in the process of sending the instruction, an instruction sender fills in the feature numerical values with sequentially increased sequences in the feature code fields for each successfully sent instruction, and stores the sent instruction information (including instruction content, sending time and instruction feature values), so that the tracing of all the sent instruction information in a task period is realized, and the retrieval correspondence can be carried out through the unique corresponding feature code of each instruction;
(3) after receiving the instruction, the instruction receiver firstly obtains the characteristic value in the characteristic code field through the analysis of the instruction message, and after the instruction execution is finished, in the process of sending the instruction response, firstly fills the characteristic value of the instruction in the characteristic code field of the response message for response sending, and then carries out the storage record of the instruction receiver on the received instruction information and the response instruction information;
(4) the instruction sender retrieves the stored and recorded sending instruction information by analyzing the characteristic numerical values in the characteristic code fields in the response message, and according to the matching corresponding instructions of the characteristic numerical values in the response message, the execution and response conditions of the instructions can be determined, the execution time period of the corresponding instructions can be calculated according to the response message, and further the conditions of instruction execution failure, instruction no response and instruction response period overlong can be determined through the instruction execution time threshold. And the instruction sending party can further analyze and obtain link layer information such as time delay, packet loss and the like of the instruction sending channel and the response loopback channel according to the instruction sending and response receiving conditions, so that the perception and acquisition of the link quality information by the user are met.
The method for designing the characteristic code segment in the instruction and the response message firstly carries out uniqueness coding on the sending instruction and then enables the instruction receiving party to increase the response characteristic value in the response message according to the instruction characteristic value, thereby realizing the uniqueness matching and instruction execution state perception of all the sending instructions and responses by the instruction sending party in the whole task period, and the schematic diagram is shown in figure 1. The invention provides a method for acquiring the instruction execution detail information, which can meet the requirements of users on acquiring the link quality information of the instruction sending channel.
The invention is realized on the basis of not changing the original instruction and response processing flow mechanism, and only by the limited improvement of the instruction and response interface protocol, the further perception of the instruction sender to the instruction execution condition detail information is realized, and the user is convenient to position and further investigate the problem of the instruction execution abnormal condition, thereby not only increasing the real-time monitoring of the user to the instruction execution condition in the task period, but also ensuring the real-time monitoring of the user to the link state of the instruction receiving and transmitting channel, and simultaneously, the invention can carry out the state evaluation of various analysis models for the instruction execution operation in the whole task period according to the instruction type model, the instruction receiving object model and the instruction execution success rate model.
The following will describe an embodiment of the present invention in detail, as shown in fig. 2, with the following steps:
step 1, expanding the characteristic code segment of the original instruction and the interface processing protocol of the response message, adding two bytes at the end of the message, filling the corresponding special byteThe sign code value; instruction sender creates instruction feature code global variable OrdersendAnd after the instruction sender starts to run, the global variable Order is usedsendInitialized to 0, and the instruction receiver creates an instruction feature code global variable OrderrecvAnd after the instruction receiver starts to run, the global variable Order is usedrecvInitializing to 0, and entering step 2;
step 2, according to the application requirement, if the instruction sender generates an instruction sending requirement, after the instruction message is packaged, the Order is sent in the instruction sending processsendThe content is assigned at two bytes at the end of the instruction, after the instruction is sent, the sent instruction is recorded in sequence at the instruction sender, and the Order is recordedsendPerforming plus 1 treatment if OrdersendIf the value is greater than 65535, the value is restored to 0, and then the step 3 is carried out;
step 3, in the process of forwarding the instruction, the routing node firstly obtains a characteristic numerical value in a characteristic code field by analyzing two bytes at the tail of the instruction message, after the routing forwarding is completed, the routing node generates an instruction flow message, the instruction flow message is composed of routing node marking information and an instruction characteristic code and is sent back to the instruction sender, the step 4 is carried out, if packet loss occurs in the process of routing forwarding, the step 4 cannot be carried out, the instruction sender senses the position information of the packet loss according to the instruction flow message, and the instruction is finished;
step 4, the instruction receiver obtains the instruction message through the channel, completes the instruction analysis, on one hand obtains the corresponding operation content of the instruction message, executes the corresponding instruction operation, on the other hand obtains the last two byte values of the instruction message, and performs the Orde operationrecvAssigning value, and packaging the response message in the command response process, and then assigning the Order at the response tail two bytesrecvCarrying out assignment operation, and sending the Order after the response is sentrecvReassign to 0, enter step 5 again;
step 5, after the instruction sender receives the response message generated in the step 3, the response message is analyzed, and the processing result and the corresponding Order of the instruction receiver are obtainedrecvMean numerical content, re-rootAccording to OrderrecvAnd traversing the instruction sending information record of the instruction sender, searching the sent instruction information, updating the corresponding instruction execution result, and calculating the instruction execution period. And (3) the instruction sender periodically traverses the instruction sending information record at the same time, and for the instruction with no response in the overdue period, the instruction sender performs a corresponding instruction 'no response' processing flow, and then the step 2 is carried out to continuously wait for the generation of a new instruction.
Claims (3)
1. An instruction response optimization method based on sequential coding is characterized by comprising the following steps:
(1) firstly, modifying a communication protocol of an instruction message and an instruction response message, adding two byte feature code fields at the tail of the instruction message and the response message, and synchronously adding the lengths of two bytes corresponding to the lengths of the instruction message and the instruction response message; the characteristic code field is respectively used for filling instruction characteristic values in the instruction message by an instruction sender and filling response characteristic values by an instruction responder;
(2) after an instruction sender operates, a characteristic value variable is created and is initially 0, in the process of sending each instruction, the characteristic value is added with 1, when the characteristic value is larger than a threshold value, the characteristic value is processed to be 0, the numerical value of the characteristic value is filled in a characteristic code field of an instruction message, and sent instruction information is stored one by one for realizing all sending instruction retrieval in a task period;
(3) in the process of receiving and retransmitting the instruction, the routing node firstly obtains a characteristic numerical value in a characteristic code field of the instruction message by directly reading two bytes at the tail of the instruction message, generates an instruction circulation message by the routing node after the instruction message is retransmitted by the routing node, and sends the instruction circulation message back to the instruction sender, so that the generation of the routing message from the instruction receiver and the return of the routing message to the instruction sender are completed;
(4) after receiving the instruction forwarded by the routing node, the instruction receiving party firstly obtains the instruction content in the instruction message and the characteristic numerical values in the characteristic code fields of two bytes at the tail of the instruction message through the analysis of the instruction message, and in the instruction execution response process of the instruction receiving party, on one hand, the instruction receiving party fills the characteristic numerical value of each received instruction in the characteristic code field of the corresponding response message to send the response message, and the instruction response of the instruction receiving party is completed; on the other hand, the instruction receiver completes the storage record of the receiving instruction information and the response instruction information;
(5) the instruction sender obtains the characteristic value in the characteristic code field of the instruction response message by receiving and analyzing the instruction response message returned by the instruction receiver, and the instruction sender searches the stored sending instruction information set according to the comparison to realize the unique matching of all sent instructions and received responses, furthermore, the instruction sender not only determines the execution and response conditions of any instruction, but also determines whether the corresponding instruction belongs to the execution success, no response or overlong response cycle of the instruction in the execution cycle by setting the execution time threshold of the instruction, and the instruction sending party further analyzes the time delay, packet loss and route forwarding link layer information of the instruction sending channel and the response loopback channel according to the analysis of the instruction sending and response receiving conditions in a specific time period, so that the quantitative perception of the user on the link communication quality is met.
2. The method of claim 1, wherein the instruction response optimization method comprises:
the transmitted instruction information includes instruction content, transmission time and instruction characteristic value.
3. The method of claim 1, wherein the instruction response optimization method comprises:
the threshold value for the feature value is 65535.
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Application publication date: 20210326 |