CN114327568B - SOA-based Server parameter transfer method, system and readable storage medium - Google Patents
SOA-based Server parameter transfer method, system and readable storage medium Download PDFInfo
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Abstract
The invention particularly relates to a Server parameter transfer method, a system and a readable storage medium based on an SOA architecture. The method comprises the following steps: generating an update variable when the service is called, and generating a corresponding arbitration parameter and an arbitration variable based on the service priority, an effective range detection mark of the service parameter, the update variable and the arbitration variable when the service is called last time, and the validity and the priority of the service parameter by the update variable and the arbitration variable returned by the master control function; inputting the update 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 updated 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 transfer system and a readable storage medium. The Server parameter transfer method can identify whether the service is called and arbitrate to execute the instruction with highest priority and effectiveness under the parameter transfer SOA software framework of service asynchronous call and master control function periodic call.
Description
Technical Field
The invention relates to the technical field of intelligent vehicle control, in particular to a Server parameter transmission method, a system and a readable storage medium based on an SOA architecture.
Background
Software-defined automobiles have become an industry consensus, and based on the requirements of digitization and intellectualization, software architecture began Service-oriented architecture (SOA) design. The SOA framework is used as a guiding direction of the development of the current whole vehicle software framework, and each function in the whole vehicle is defined and described in a service mode. The service function realization and subscription under the SOA architecture mostly adopts a CS interface, namely a Client and Server mode. The controller IO and the application function subset can be packaged into a Server (service) under the SOA architecture for clients to call.
The SOA Server (service) is called asynchronously by clients, and the service functions carried by the SOA Server are often instructive tasks (such as periodically flashing a turn signal lamp 360ms ON,360ms OFF), and often cannot be executed and completed when the Server is called. Therefore, in general, the service only parses the client request, and then transmits the parsed and arbitrated instruction to the master control function for execution. That is, the service accepts the client instruction, then transmits the instruction to the master control function, and finally the master control function completes the realization of the logic function.
However, under the parameter transfer SOA software framework of service asynchronous call and master control function periodic call, the following practical problems are faced when the service transfers valid instructions to the master control function: 1) The master control function cannot effectively identify whether a service (Server) is called, so that instructions are difficult to update in time, and the execution effectiveness of the service function is poor. 2) When a service (Server) is called multiple times, the service (Server) cannot determine whether the current call occurs within a single scheduling period of the master function (e.g.: scheduling period 0.01 s) and then it is difficult to discard the invalid instruction and the low priority instruction, arbitrate to execute the highest priority and valid instruction, resulting in poor accuracy of service function execution. Therefore, how to design a method for ensuring the effectiveness and accuracy of service function execution under the parameter transfer SOA software framework of service asynchronous call and master control function periodic call is a technical problem to be solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: how to provide a Server parameter transfer method based on SOA architecture, so as to effectively identify whether the service is called and arbitrate to execute the instruction with highest priority and effectiveness under the parameter transfer SOA software framework of service asynchronous call and main control function periodic call, thereby improving the effectiveness and accuracy of service function execution.
In order to solve the technical problems, the invention adopts the following technical scheme:
A Server parameter transfer method based on SOA architecture includes the following steps:
s1: inputting service parameters into the service;
s2: generating corresponding update variables when the service is called, and generating corresponding arbitration parameters and arbitration variables based on service priority, effective range detection marks of the service parameters, update variables and arbitration variables when the service is called last time, and validity and priority of the update variables and arbitration variables returned by the master control function to arbitrate the service parameters;
s3: inputting the update 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 updated 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 returned to the service for executing the next arbitration.
Preferably, in step S2, each time a service is invoked, an update variable that is not repeatable within a certain range is generated by the update mechanism, so that the master control function can identify whether the service is invoked by determining a change of the update variable.
Preferably, in step S4, when the update variable is changed, the master function determines that the service is invoked.
Preferably, in step S1, upper and lower limit effective range detection is performed on the input service parameter: when all the service parameters meet the upper and lower limit effective range requirements, the effective range detection mark of the service parameters is effective; otherwise, the valid range detection flag of the service parameter is invalid.
Preferably, in step S4, the master control function generates corresponding update variable readback values and arbitration variable readback values based on the schedule period discretized read update variable and the arbitration variable, as the returned update variable and arbitration variable.
Preferably, in step S2, the validity and priority of the arbitration service parameter means: when the service is called for multiple times in a single scheduling period of the main control function through the arbitration mechanism, discarding the service parameter and the low priority parameter with invalid effective range detection marks in the service parameter, so as to obtain the effective service parameter with the highest priority as the arbitration parameter.
Preferably, the arbitration conditions of the arbitration mechanism include:
1) Update variable unit delay value = update variable readback value;
2) Arbitration variable unit delay value = arbitration variable readback value;
3) The valid range detection flag unit delay value of the arbitration parameter=0;
4) The valid range detection flag unit delay value of the arbitration parameter=1, and the valid range detection flag of the current service parameter=1, and the 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 all the arbitration conditions are not satisfied, the arbitration parameter, the arbitration variable, the arbitration priority, and the arbitration parameter valid range detection flag are respectively equal to the respective unit delay values.
The invention also discloses a Server parameter transfer system based on the SOA architecture, which is implemented based on the Server parameter transfer method of the invention, and specifically comprises the following steps:
A service for receiving service parameters; generating corresponding update variables when being called, and generating corresponding arbitration parameters and arbitration variables based on service priority, effective range detection marks of service parameters, update variables and arbitration variables when the service is called last time, and update variables and arbitration variables returned by a master control function, wherein the validity and priority of the service parameters are arbitrated;
a master control function for judging whether the service is called based on the updated 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 returned to the service for executing the next arbitration.
The invention also discloses a readable storage medium, on which a computer management program is stored, which realizes the steps of the Server parameter transmission method based on the SOA architecture when being executed by a processor.
Compared with the prior art, the Server parameter transmission method has the following beneficial effects:
The invention generates the update variable 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 variable, so that the service function can be updated and switched in time under the parameter transfer SOA software framework of asynchronous service call and periodic master control function call, thereby improving the execution effectiveness of the service function. Meanwhile, the invention arbitrates the validity and the priority of the service parameters by the service priority, the effective range detection mark of the service parameters, the update variable and the arbitration variable when the service is called last time, and the update variable and the arbitration variable returned by the master control function, so that invalid service parameters and low priority parameters in the service parameters can be discarded, and corresponding arbitration parameters, namely the highest priority effective service parameters, can be generated, and the highest priority and effective service parameters (instructions) can be analyzed and executed under the condition that the service is called asynchronously and the parameters of the master control function are called periodically, thereby improving the execution accuracy of the service functions. In addition, the invention can ensure the effect of the execution of the subsequent service function by transmitting the updated variable and the arbitration parameter back to the service for executing the next arbitration.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a logic block diagram of a Server parameter delivery method based on SOA architecture;
FIG. 2 is a network architecture diagram of a Server parameter delivery system based on SOA architecture.
Detailed Description
The following is a further detailed description of the embodiments:
Embodiment one:
the embodiment discloses a Server parameter transfer method based on an SOA architecture.
As shown in FIG. 1, the Server parameter transfer method based on the SOA architecture comprises the following steps:
S1: inputting a service (Server) parameter into a service;
S2: generating a corresponding update Counter (update variable) when the service is called, and generating a corresponding arbitration parameter and arbitration Counter based on service priority, a valid range detection mark of the service parameter, the update Counter and the arbitration Counter (arbitration variable) when the service is called last time, and the validity and the priority of the service parameter by the update Counter and the arbitration Counter returned by the master control function;
S3: inputting the update Counter, the arbitration Counter and the arbitration parameters into a master control function;
S4: the (periodic) master function judges whether the service is called or not based on the update Counter; when the service is called, the corresponding service function and Client service call of the next level are analyzed and executed based on the arbitration parameter, and the updated Counter and the arbitration parameter are returned to the service for executing the next arbitration. Specifically, when the master function changes in updating the Counter, the master function determines that the service is called.
It should be noted that, the Server parameter transmission method based on the SOA architecture can generate corresponding software codes or software services in a program programming mode, and further can be operated and implemented on a Server and a computer.
The invention generates the updated 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 updated Counter, so that the service function can be updated and switched in time under the parameter transfer SOA software framework of service asynchronous call and master control function periodic call, thereby improving the execution effectiveness of the service function.
Meanwhile, according to the service priority, the effective 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 the priority of the update Counter and the arbitration Counter returned by the master control function for arbitrating the service parameters, invalid service parameters and low priority parameters in the service parameters can be discarded, corresponding arbitration parameters, namely the highest priority effective service parameters, can be generated, and the highest priority and effective service parameters (instructions) can be analyzed and executed under the condition that the service is called asynchronously and the parameters called periodically by the master control function are transferred by the SOA software frame, so that the accuracy of executing the service functions can be improved. In addition, the invention can ensure the effect of the execution of 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, upper and lower limit effective range detection is carried out on input service parameters through service: when all the service parameters meet the upper and lower limit effective range requirements, the effective range detection mark 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 validity of the service parameters by detecting the upper and lower limit effective ranges of the service parameters, thereby better ensuring the accuracy of executing the service functions.
In the implementation process, each time the service is called, a non-repeatable update Counter within a certain range is generated through an update mechanism, so that a master control 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 a 16-bit self-adding 1-cycle counter, namely: 0-65535-0, the Update Counter is the Update Counter, and each time the Server is called once, the Update Counter (counter_update) is added by 1.
According to the invention, the updating Counter which is unrepeatable within a certain range is generated when the service is called through the updating mechanism, so that whether the service is called or not can be effectively identified by judging the change of the updating Counter, and the main control function can update the instruction timely and effectively, thereby improving the effectiveness of service function execution.
In the implementation process, the master control function generates corresponding updated Counter readback values and arbitration Counter readback values based on the dispatching cycle discretization read updated Counter and arbitration Counter, and the corresponding updated Counter readback values and arbitration Counter readback values are used as returned updated Counter and arbitration Counter. The updated Counter read-back value and the arbitration Counter read-back value have a locking function within the master function scheduling period.
In the specific implementation process, the validity and priority of the arbitration service parameter refer to: when the service is called for multiple times in a single scheduling period of the main control function through the arbitration mechanism, discarding the service parameter and the low priority parameter with invalid effective range detection marks in the service parameter, so as to obtain the effective service parameter with the highest priority 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 period of the master function. If the service parameters input by the service do not have priority parameters, the service priorities are the same when each service is called, namely: and (5) leveling.
Specifically, assume that the service has n input parameters: arg 1,Arg2,…,Argn-1,Argn.
The arbitration conditions of the arbitration mechanism include:
1) Update Counter unit delay value = update Counter read back value,
I.e., Z -1 [ counter_update ] = counter_update_rd;
2) Arbitration Counter unit delay value = arbitration Counter read back value,
I.e., Z -1 [ counter_arb ] =counter_arb_rd;
3) The valid range detection flag unit delay value of the arbitration parameter=0,
I.e., Z -1 [ PRAMRNGFLG _arb ] =0;
4) The valid range detection flag unit delay value of the arbitration parameter=1, and the valid range detection flag of the current service parameter=1, and the current service priority < = arbitration service priority unit delay value,
I.e. Z -1 [ PRAMRNGFLG _arb ] =1 and PRAMRNGFLG =1 and pri_srv < =z -1 [ pri_arb ].
If any arbitration condition is satisfied, then:
arbitration parameter = service parameter,
I.e. Arg1_Arb=Arg1,Arg2_Arb=Arg2,…,Argn-1_Arb=Argn-1,Argn_Arb=Argn;
Arbitration 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 all the arbitration conditions are not satisfied, the arbitration parameter, the arbitration Counter, the arbitration priority and the arbitration parameter valid range detection flag are respectively equal to the respective unit delay values:
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 the priority of the parameters are arbitrated by an arbitration mechanism, and the corresponding arbitration Counter and arbitration parameters are generated, so that under the condition that the parameters of service asynchronous call and periodic call of a master control function pass through an SOA software framework, invalid parameters and low-priority parameters can be detected in a discarding range, and further, the instruction with the highest priority and the highest priority can be effectively arbitrated and executed, thereby improving the accuracy of service function execution.
Embodiment two:
the embodiment discloses a Server parameter transmission system which is implemented based on the Server parameter transmission method.
As shown in FIG. 2, a Server parameter delivery system based on SOA architecture specifically includes:
A service (Server) for receiving service parameters; generating a corresponding update Counter when being called through an update mechanism, and generating a corresponding arbitration parameter and arbitration Counter through an arbitration mechanism based on service priority, an effective range detection mark of a 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 a master control function, wherein the validity and the priority of the service parameter are arbitrated;
A (periodic) master function for determining whether a service is invoked based on the update Counter; when the service is called, the corresponding service function is analyzed and executed based on the arbitration parameter, and the updated Counter and the arbitration parameter are returned to the service for executing the next arbitration.
The service generates the updated 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 updated Counter, so that the service function can be updated and switched in time under the condition that the service is asynchronously called and the parameter of the periodic call of the master control function is transferred to the SOA software framework, and the execution effectiveness of 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 highest priority effective service parameters through the service priority, the effective range detection mark of the service parameters, the update Counter and arbitration Counter when the service is called last time and the validity and priority of the service parameters of the update Counter and arbitration Counter arbitration returned by the master control function, so that the highest priority and effective service parameters (instructions) can be analyzed and executed under the condition that the service asynchronous call and the periodically called parameters of the master control function are transferred to the SOA software frame, thereby improving the accuracy of service function execution. In addition, the invention can ensure the effect of the execution of the subsequent service function by transmitting the updated Counter and the arbitration parameter back to the service for executing the next arbitration.
Embodiment III:
a readable storage medium is disclosed in this embodiment.
A readable storage medium, on which a computer management class program is stored, which when executed by a processor implements the steps of the SOA architecture based Server parameter delivery method of the present invention. The readable storage medium may be a device such as a usb disk or a computer having a readable storage function.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the technical solution, and those skilled in the art should understand that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the present invention, and all such modifications and equivalents are included in the scope of the claims.
Claims (8)
1. The Server parameter transfer method based on the SOA architecture is characterized by comprising the following steps:
s1: inputting service parameters into the service;
s2: generating corresponding update variables when the service is called, and generating corresponding arbitration parameters and arbitration variables based on service priority, effective range detection marks of the service parameters, update variables and arbitration variables when the service is called last time, and validity and priority of the update variables and arbitration variables returned by the master control function to arbitrate the service parameters;
in step S2, the validity and priority of the arbitration service parameter refer to: when the service is called for multiple times in a single scheduling period of the main control function through an arbitration mechanism, discarding the service parameter and the low-priority parameter with invalid effective range detection marks in the service parameter to obtain the highest-priority effective service parameter as an arbitration parameter;
s3: inputting the update 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 updated variable; when the service is called, analyzing and executing the corresponding service function based on the arbitration parameter, and returning the updated variable and the arbitration parameter to the service for executing the next arbitration;
in step S4, the master control function discretizes and reads the update variable and the arbitration variable based on the scheduling period, and generates corresponding update variable readback value and arbitration variable readback value as the returned update variable and arbitration variable.
2. The Server parameter transmission method based on the SOA architecture as claimed in claim 1, wherein the method comprises the following steps: in step S2, each time a service is invoked, an update variable that is not repeatable within a certain range is generated by the update mechanism, so that the master control function can identify whether the service is invoked by determining the change of the update variable.
3. The Server parameter transmission method based on the SOA architecture as claimed in claim 2, wherein: in step S4, when the update variable changes, the master control function determines that the service is invoked.
4. The Server parameter transmission method based on the SOA architecture as claimed in claim 1, wherein the method comprises the following steps: in step S1, upper and lower limit effective range detection is performed on the input service parameters: when all the service parameters meet the upper and lower limit effective range requirements, the effective range detection mark of the service parameters is effective; otherwise, the valid range detection flag of the service parameter is invalid.
5. The Server parameter delivery method based on the SOA architecture as claimed in claim 1, wherein the arbitration conditions of the arbitration mechanism include:
1) Update variable unit delay value = update variable readback value;
2) Arbitration variable unit delay value = arbitration variable readback value;
3) The valid range detection flag unit delay value of the arbitration parameter=0;
4) The valid range detection flag unit delay value of the arbitration parameter=1, and the valid range detection flag of the current service parameter=1, and the current service priority < = arbitration service priority unit delay value.
6. The Server parameter transmission method based on the SOA architecture as claimed in claim 5, wherein the method comprises the following steps: if any arbitration condition is satisfied, the arbitration parameter=service parameter, the arbitration variable=update variable, the arbitration priority=service priority, and the effective range detection flag of the arbitration parameter=effective range detection flag of the service parameter; if all the arbitration conditions are not satisfied, the arbitration parameter, the arbitration variable, the arbitration priority, and the arbitration parameter valid range detection flag are respectively equal to the respective unit delay values.
7. The Server parameter transfer system based on the SOA architecture is characterized by being implemented based on the Server parameter transfer method in claim 1, and specifically comprising the following steps:
A service for receiving service parameters; generating corresponding update variables when being called, and generating corresponding arbitration parameters and arbitration variables based on service priority, effective range detection marks of service parameters, update variables and arbitration variables when the service is called last time, and update variables and arbitration variables returned by a master control function, wherein the validity and priority of the service parameters are arbitrated;
a master control function for judging whether the service is called based on the updated 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 returned to the service for executing the next arbitration.
8. A readable storage medium, wherein a computer management class program is stored thereon, and the computer management class program, 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 6.
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| CN105530207A (en) * | 2015-12-11 | 2016-04-27 | 中国航空工业集团公司西安航空计算技术研究所 | Switch port arbitration circuit and method in support of multi-type data frames |
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| WO2018067821A1 (en) * | 2016-10-05 | 2018-04-12 | Hughes Network Systems, Llc | Multi-modem user terminal and policy-based management for satellite transport resiliency |
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| CN105530207A (en) * | 2015-12-11 | 2016-04-27 | 中国航空工业集团公司西安航空计算技术研究所 | Switch port arbitration circuit and method in support of multi-type data frames |
| CN108282502A (en) * | 2017-01-05 | 2018-07-13 | 上海竺程信息科技有限公司 | Vehicle network message optimisation broadcasting method based on dynamic priority |
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