CN114327568A - Server parameter transmission method and system based on SOA (service oriented architecture) and readable storage medium - Google Patents
Server parameter transmission method and system based on SOA (service oriented architecture) and readable storage medium Download PDFInfo
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Abstract
The invention particularly relates to a Server parameter transmission method and system based on an SOA architecture and a readable storage medium. The method comprises the following steps: the method comprises the steps that a service generates an update variable when being called, and generates a corresponding arbitration parameter and an arbitration variable based on service priority, an effective range detection mark of a service parameter, the update variable and the arbitration variable when the service is called last time, and the effectiveness and the priority of the update variable and the arbitration variable arbitration service parameter returned by a main control function; inputting the updated variable, the arbitration variable and the arbitration parameter into a master control function; the master control function judges whether the service is called or not based on the updating variable; when a service is invoked, the corresponding service function is parsed and executed based on the arbitration parameters. The invention also discloses a Server parameter transmission system and a readable storage medium. The Server parameter transmission method can identify whether the service is called and arbitrate to execute the instruction with the highest priority and effectiveness under the parameter transmission SOA software framework of service asynchronous calling and master control function periodic calling.
Description
Technical Field
The invention relates to the technical field of intelligent vehicle control, in particular to a Server parameter transmission method and system based on an SOA (service oriented architecture) and a readable storage medium.
Background
Software-defined automotive has become an industry consensus, and software architectures have begun to be Service-Oriented Architecture (SOA) designs based on digital, intelligent requirements. The SOA framework is used as a guide direction for the development of the current whole vehicle software framework, and defines and describes each function in the whole vehicle in a service mode. The service function realization and subscription under the SOA structure mostly adopt CS interfaces, namely a Client (Client) and Server (service) mode. Under the SOA architecture, the controller IO and the application function subset can be packaged into a Server (service) for being called by a Client (Client).
The SOA Server (service) is asynchronously called by a Client (Client), and the service functions carried by the SOA Server are mostly instructional tasks (for example, a turn light is turned ON for 360ms and periodically flickered for 360ms OFF), and the SOA Server cannot be executed and completed when the Server is called. Therefore, in general, the service simply parses the client request and then passes the parsed and arbitrated instructions to the master function for execution. That is, the service accepts the client instruction, then passes the instruction to the master function, and finally the master function completes the implementation of the logic function.
However, under the SOA software framework for transferring parameters by asynchronous calling of services and periodic calling of master functions, the following practical problems are faced when the services transfer effective instructions to the master functions: 1) the master control function cannot effectively identify whether a service (Server) is called, and therefore, the instruction is difficult to update in time, which results in poor effectiveness of service function execution. 2) When the service (Server) is called for multiple times, the service (Server) cannot determine whether the current call occurs in a single scheduling period of the master function (for example: schedule cycle 0.01 s), and thus it is difficult to discard invalid instructions and low-priority instructions, arbitrating the execution of the highest-priority and valid instructions, resulting in poor accuracy of service function execution. Therefore, how to design a method capable of ensuring the effectiveness and accuracy of service function execution under the SOA software framework for parameter transfer of service asynchronous call and periodic call of a main control function is a technical problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a Server parameter transmission method based on an SOA architecture to effectively identify whether a service is called and arbitrate and execute a highest-priority and effective instruction under a parameter transmission SOA software framework of service asynchronous calling and master control function periodic calling, thereby improving the effectiveness and accuracy of service function execution.
In order to solve the technical problems, the invention adopts the following technical scheme:
the Server parameter transmission method based on the SOA architecture comprises the following steps:
s1: inputting the service parameters into the service;
s2: the method comprises the steps that a service generates a corresponding updating variable when being called, and generates a corresponding arbitration parameter and an arbitration variable based on service priority, an effective range detection mark of a service parameter, the updating variable and the arbitration variable when the service is called last time, and effectiveness and priority of the updating variable and the arbitration variable returned by a main control function for arbitrating the service parameter;
s3: inputting the updated variable, the arbitration variable and the arbitration parameter into a master control function;
s4: the master control function judges whether the service is called or not based on the updating variable; when the service is called, the corresponding service function is analyzed and executed based on the arbitration parameter, and the updated variable and the arbitration parameter are transmitted back to the service for executing the next arbitration.
Preferably, in step S2, each time the service is called, a non-repeatable update variable within a certain range is generated by the update mechanism, so that the master function can identify whether the service is called by determining a change of the update variable.
Preferably, in step S4, the main control function determines that the service is called when there is a change in the update variable.
Preferably, in step S1, the upper and lower valid ranges of the input service parameter are detected: when all the service parameters meet the requirements of the upper and lower limit effective ranges, the effective range detection mark of the service parameter is effective; otherwise, the valid range detection flag of the service parameter is invalid.
Preferably, in step S4, the master function reads the updated variable and the arbitration variable discretely based on the scheduling period to generate corresponding updated variable read-back value and arbitration variable read-back value as the returned updated variable and arbitration variable.
Preferably, in step S2, the validity and priority of the arbitration service parameter refer to: when the arbitration mechanism calls the service for multiple times in a single scheduling period of the main control function, the service parameter with the invalid detection mark of the valid range in the service parameters and the low-priority parameter are discarded, so that the valid service parameter with the highest priority is obtained as the arbitration parameter.
Preferably, the arbitration conditions of the arbitration mechanism include:
1) updating variable unit delay value = updating variable read-back value;
2) arbitration variable unit delay value = arbitration variable read back value;
3) detecting a unit delay value =0 of a valid range detection mark of an arbitration parameter;
4) valid range detection flag unit delay value =1 for arbitration parameters, and valid range detection flag =1 for current service parameters, and current service priority < = arbitration service priority unit delay value.
Preferably, if any arbitration condition is satisfied, the arbitration parameter = service parameter, the arbitration variable = update variable, the arbitration priority = service priority, the valid range detection flag of the arbitration parameter = valid range detection flag of the service parameter; if not, the arbitration parameter, arbitration variable, arbitration priority and detection mark of effective range of arbitration parameter are respectively equal to respective unit delay value.
The invention also discloses a Server parameter transmission system based on the SOA architecture, and the implementation of the Server parameter transmission method based on the invention specifically comprises the following steps:
a service for receiving service parameters; generating a corresponding updating variable when the service is called, and generating a corresponding arbitration parameter and an arbitration variable based on the service priority, the effective range detection mark of the service parameter, the updating variable and the arbitration variable when the service is called last time, the updating variable and the arbitration variable returned by the main control function, and the effectiveness and the priority of the arbitration service parameter;
the master control function is used for judging whether the service is called or not based on the updating variable; when the service is called, the corresponding service function is analyzed and executed based on the arbitration parameter, and the updated variable and the arbitration parameter are transmitted back to the service for executing the next arbitration.
The invention also discloses a readable storage medium, which stores a computer management program, and the computer management program realizes the steps of the Server parameter transmission method based on the SOA framework when being executed by a processor.
Compared with the prior art, the Server parameter transmission method has the following beneficial effects:
the updating variable is generated when the service is called, and the master control function can effectively identify whether the service is called or not through the change of the updating variable, so that the service functions can be updated and switched in time under the condition that the service is asynchronously called and the parameters of the periodic calling of the master control function are transmitted to the SOA software framework, and the effectiveness of executing the service functions can be improved. Meanwhile, according to the service priority, the effective range detection mark of the service parameter, the update variable and the arbitration variable when the service is called last time, and the effectiveness and the priority of the service parameter arbitrated by the update variable and the arbitration variable returned by the main control function, invalid service parameters and low priority parameters in the service parameters can be discarded and corresponding arbitration parameters, namely, the effective service parameters with the highest priority can be generated, so that the service parameters (instructions) with the highest priority and effectiveness can be analyzed and executed under the parameter transmission SOA software framework of service asynchronous calling and main control function periodic calling, and the accuracy of service function execution can be improved. In addition, the invention can ensure the effect of executing the subsequent service function by transmitting the updated variable and the arbitration parameter back to the service for executing the next arbitration.
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For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is a logic diagram of a Server parameter transfer method based on SOA architecture;
fig. 2 is a network structure diagram of a Server parameter delivery system based on the SOA architecture.
Detailed Description
The following is further detailed by the specific embodiments:
the first embodiment is as follows:
the embodiment discloses a Server parameter transmission method based on an SOA architecture.
As shown in fig. 1, the Server parameter transferring method based on the SOA architecture includes the following steps:
s1: inputting a service (Server) parameter into a service;
s2: the service generates a corresponding update Counter (update variable) when being called, and generates a corresponding arbitration parameter and arbitration Counter based on the service priority, the valid range detection flag of the service parameter, the update Counter and arbitration Counter (arbitration variable) when the service is called last time, and the validity and priority of the update Counter and arbitration Counter arbitration service parameter returned by the master function;
s3: inputting the update Counter, the arbitration Counter and the arbitration parameter into the master control function;
s4: (periodically) the master function determines whether the service is invoked based on the update Counter; when the service is invoked, the corresponding service function and the next level of Client service invocation are parsed and executed based on the arbitration parameters, and the updated Counter and arbitration parameters are passed back to the service for the next arbitration. Specifically, the master control function determines that the service is called when the update Counter changes.
It should be noted that, the Server parameter delivery method based on the SOA architecture of the present invention can generate corresponding software codes or software services in a program programming manner, and can further be run and implemented on a Server and a computer.
The invention generates the update Counter when the service is called, and the master control function can effectively identify whether the service is called or not by updating the change of the Counter, so that the service function can be updated and switched in time under the parameter transfer SOA software framework of service asynchronous calling and master control function periodic calling, thereby improving the effectiveness of service function execution.
Meanwhile, according to the service priority, the valid range detection mark of the service parameter, the update Counter and the arbitration Counter when the service is called last time and the validity and priority of the arbitration service parameter of the update Counter and the arbitration Counter returned by the master control function, the invalid service parameter and the low-priority parameter in the service parameter can be discarded and the corresponding arbitration parameter, namely the valid service parameter with the highest priority can be generated, so that the service parameter (instruction) with the highest priority and the valid service can be analyzed and executed under the service asynchronous calling and master control function periodic calling parameter transmission SOA software framework, and the execution accuracy of the service function can be improved. In addition, the invention can ensure the effect of executing the subsequent service function by transmitting the updated Counter and the arbitration parameter back to the service for executing the next arbitration.
In the specific implementation process, the upper and lower limit effective range detection is carried out on the input service parameters through the service: when all the service parameters meet the requirement of the upper and lower limit effective range, the effective range detection flag of the service parameters is effective, namely PramRngFlg = 1; otherwise, the valid range detection flag of the service parameter is invalid, i.e. PramRngFlg = 0.
The invention can ensure the effectiveness of the service parameters by detecting the upper and lower limit effective ranges of the service parameters, thereby better ensuring the accuracy of the execution of the service function.
In the specific implementation process, when the service is called, the unrepeatable update Counter within a certain range is generated through the update mechanism, so that the master function can identify whether the service is called or not by judging the change of the update Counter. Specifically, the update mechanism is implemented by using a 16-bit self-increment 1 cycle counter, that is: 0-65535-0 cycle count, the Update Counter is the Update Counter, and every time the Server is called, the Update Counter (Counter _ Update) is self-added with 1.
The invention generates unrepeatable update Counter in a certain range when the service is called through the update mechanism, and further can effectively identify whether the service is called by judging the change of the update Counter, so that the master control function can timely and effectively update the instruction, and the effectiveness of executing the service function can be improved.
In the specific implementation process, the master function reads the update Counter and the arbitration Counter in a discretization manner based on the scheduling period to generate a corresponding update Counter read-back value and an arbitration Counter read-back value which are used as the returned update Counter and arbitration Counter. Updating the Counter read back value and arbitrating the Counter read back value have a locking function during the master function scheduling period.
In the specific implementation process, the validity and priority of the arbitration service parameter refer to: when the arbitration mechanism calls the service for multiple times in a single scheduling period of the main control function, the service parameter with the invalid detection mark of the valid range in the service parameters and the low-priority parameter are discarded, so that the valid service parameter with the highest priority is obtained as the arbitration parameter. That is, the master function only executes the highest priority and valid service instruction when the service is invoked multiple times within a single scheduling cycle of the master function. If the service parameters input by the service do not have the priority parameters, the service priority is considered to be the same when each service is called, namely: and (4) leveling.
Specifically, assume that the service has n input parameters: arg1，Arg2，…，Argn-1，Argn。
The arbitration conditions of the arbitration mechanism include:
1) update Counter unit delay value = update Counter read back value,
namely Z-1[Counter_Update]=Counter_Update_Rd；
2) Arbitrate Counter unit delay value = arbitrate Counter read back value,
namely Z-1[Counter_Arb]=Counter_Arb_Rd；
3) The valid range detection flag unit delay value of the arbitration parameter =0,
namely Z-1[PramRngFlg_Arb]=0；
4) Valid range detection flag unit delay value =1 for arbitration parameters, and valid range detection flag =1 for current service parameters, and current service priority < = arbitration service priority unit delay value,
namely Z-1[PramRngFlg_Arb]=1 and PramRngFlg =1 and Pri _ Srv<=Z-1[Pri_Arb]。
If any arbitration condition is satisfied, then:
the arbitration parameter = the service parameter,
namely Arg1_Arb=Arg1，Arg2_Arb=Arg2，…，Argn-1_Arb=Argn-1，Argn_Arb=Argn；
Arbitrate Counter = update Counter,
i.e., Counter _ Arb = Counter _ Update
Arbitration priority = service priority,
i.e. Pri Arb = Pri Srv
Arbitration parameter valid range detection flag = service parameter valid range detection flag,
i.e. PramRngFlg _ Arb = PramRngFlg;
if not, the arbitration parameter, arbitration Counter, arbitration priority, arbitration parameter valid range detection flag are respectively equal to the unit delay value:
Arg1_Arb=Z-1[Arg1_Arb]，
Arg2_Arb=Z-1[Arg2_Arb]，
…，
Argn-1_Arb=Z-1[Argn-1_Arb]，
Argn_Arb=Z-1[Argn_Arb]；
Counter_Arb=Z-1[Counter_Arb]；
Pri_Arb=Z-1[Pri_Arb]；
PramRngFlg_Arb=Z-1[PramRngFlg_Arb]。
according to the invention, the validity and priority of the parameters are arbitrated through the arbitration mechanism, and the corresponding arbitration Counter and arbitration parameters are generated, so that the invalid parameters and low-priority parameters of range detection can be discarded under the framework of service asynchronous calling and master function periodic calling parameter transfer SOA software, further the highest-priority and valid instructions can be effectively arbitrated and executed, and the accuracy of service function execution can be improved.
Example two:
the embodiment discloses a Server parameter transmission system, which is implemented based on the Server parameter transmission method of the invention.
As shown in fig. 2, a Server parameter delivery system based on the SOA architecture specifically includes:
a service (Server) for receiving service parameters; generating a corresponding update Counter when the service is called through an update mechanism, and generating a corresponding arbitration parameter and an arbitration Counter through an arbitration mechanism based on the service priority, the valid range detection mark of the service parameter, the update Counter and the arbitration Counter when the service is called last time and the update Counter and the arbitration Counter returned by the master function, and arbitrating the validity and the priority of the service parameter;
a (periodic) master function for judging whether the service is called based on the update Counter; when the service is invoked, the corresponding service function is parsed and executed based on the arbitration parameters, and the updated Counter and arbitration parameters are passed back to the service for execution of the next arbitration.
The service generates the update Counter when the service is called, and the master control function can effectively identify whether the service is called or not through the change of the update Counter, so that the service function can be updated and switched in time under the parameter transfer SOA software framework of service asynchronous calling and master control function periodic calling, and the effectiveness of executing the service function can be improved.
Meanwhile, the service of the invention can discard invalid service parameters and low priority parameters in the service parameters and generate corresponding arbitration parameters, namely, the service parameters with the highest priority, through the service priority, the valid range detection mark of the service parameters, the update Counter and the arbitration Counter when the service is called last time and the validity and priority of the arbitration service parameters returned by the master control function, so that the service parameters (instructions) with the highest priority and the validity can be analyzed and executed under the service asynchronous calling and master control function periodic calling parameter transfer SOA software framework, and the execution accuracy of the service function can be improved. In addition, the invention can ensure the effect of executing the subsequent service function by transmitting the updated Counter and the arbitration parameter back to the service for executing the next arbitration.
Example three:
disclosed in the present embodiment is a readable storage medium.
A readable storage medium, on which a computer management class program is stored, wherein the computer management class program realizes the steps of the Server parameter transmission method based on the SOA architecture when being executed by a processor. The readable storage medium can be a device with readable storage function such as a U disk or a computer.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (10)
1. The Server parameter transmission method based on the SOA architecture is characterized by comprising the following steps:
s1: inputting the service parameters into the service;
s2: the method comprises the steps that a service generates a corresponding updating variable when being called, and generates a corresponding arbitration parameter and an arbitration variable based on service priority, an effective range detection mark of a service parameter, the updating variable and the arbitration variable when the service is called last time, and effectiveness and priority of the updating variable and the arbitration variable returned by a main control function for arbitrating the service parameter;
s3: inputting the updated variable, the arbitration variable and the arbitration parameter into a master control function;
s4: the master control function judges whether the service is called or not based on the updating variable; when the service is called, the corresponding service function is analyzed and executed based on the arbitration parameter, and the updated variable and the arbitration parameter are transmitted back to the service for executing the next arbitration.
2. The SOA architecture-based Server parameter transfer method of claim 1, wherein: in step S2, whenever the service is called, a non-repeatable update variable within a certain range is generated by the update mechanism, so that the master function can identify whether the service is called by determining the change of the update variable.
3. The SOA architecture-based Server parameter transfer method of claim 2, wherein: in step S4, the main control function determines that the service is called when there is a change in the update variable.
4. The SOA architecture-based Server parameter transfer method of claim 1, wherein: in step S1, the upper and lower limit valid ranges of the input service parameters are detected: when all the service parameters meet the requirements of the upper and lower limit effective ranges, the effective range detection mark of the service parameter is effective; otherwise, the valid range detection flag of the service parameter is invalid.
5. The SOA architecture-based Server parameter transfer method of claim 1, wherein: in step S4, the master control function discretizes and reads the updated variable and the arbitration variable based on the scheduling period, and generates a corresponding updated variable read-back value and an arbitration variable read-back value as the returned updated variable and arbitration variable.
6. The method for delivering Server parameters based on an SOA architecture as claimed in claim 5, wherein: in step S2, the validity and priority of the arbitration service parameter refer to: when the arbitration mechanism calls the service for multiple times in a single scheduling period of the main control function, the service parameter with the invalid detection mark of the valid range in the service parameters and the low-priority parameter are discarded, so that the valid service parameter with the highest priority is obtained as the arbitration parameter.
7. The SOA architecture based Server parameter delivery method of claim 6, wherein the arbitration condition of the arbitration mechanism comprises:
1) updating variable unit delay value = updating variable read-back value;
2) arbitration variable unit delay value = arbitration variable read back value;
3) detecting a unit delay value =0 of a valid range detection mark of an arbitration parameter;
4) valid range detection flag unit delay value =1 for arbitration parameters, and valid range detection flag =1 for current service parameters, and current service priority < = arbitration service priority unit delay value.
8. The SOA architecture-based Server parameter transfer method of claim 7, wherein: if any arbitration condition is met, the arbitration parameter = service parameter, the arbitration variable = update variable, the arbitration priority = service priority, the valid range detection flag of the arbitration parameter = valid range detection flag of the service parameter; if not, the arbitration parameter, arbitration variable, arbitration priority and detection mark of effective range of arbitration parameter are respectively equal to respective unit delay value.
9. The Server parameter transmission system based on the SOA is characterized in that the Server parameter transmission method implementation based on the claim 1 specifically comprises the following steps:
a service for receiving service parameters; generating a corresponding updating variable when the service is called, and generating a corresponding arbitration parameter and an arbitration variable based on the service priority, the effective range detection mark of the service parameter, the updating variable and the arbitration variable when the service is called last time, the updating variable and the arbitration variable returned by the main control function, and the effectiveness and the priority of the arbitration service parameter;
the master control function is used for judging whether the service is called or not based on the updating variable; when the service is called, the corresponding service function is analyzed and executed based on the arbitration parameter, and the updated variable and the arbitration parameter are transmitted back to the service for executing the next arbitration.
10. A readable storage medium, having stored thereon a computer management class program, which when executed by a processor implements the steps of the SOA architecture based Server parameter delivery method according to any one of claims 1 to 8.
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