CN103533017A - Service invoking method and system - Google Patents

Service invoking method and system Download PDF

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Publication number
CN103533017A
CN103533017A CN201310242298.2A CN201310242298A CN103533017A CN 103533017 A CN103533017 A CN 103533017A CN 201310242298 A CN201310242298 A CN 201310242298A CN 103533017 A CN103533017 A CN 103533017A
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service
text
feedback
request
content
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CN201310242298.2A
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CN103533017B (en
Inventor
周华锋
何超林
郑志千
周鹏
方文崇
甘杉
卞瑞祥
钱锋
陆鑫
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China Southern Power Grid Co Ltd
NR Electric Co Ltd
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China Southern Power Grid Co Ltd
NR Electric Co Ltd
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Abstract

Provided is a service invoking method and system. Information of a service request message and an execution result is extracted to generate a text file which can be transmitted in safe partitions divided by an electric power system in advance so that a client-terminal can invoke service resources in the required safe partitions, and extra deployment in software and hardware aspects does not need to be performed on a service-terminal. Therefore, software and hardware cost is effectively lowered, and deployment and maintenance workload is reduced. In the realization process of service invoking, relative consistency of data and functions does not need to be maintained so that feasible invoking operations become easier, and development difficulty of the system is reduced.

Description

Service calling method and system
Technical field
The present invention relates to electric power system regulation automatization field, particularly relate to service calling method and system.
Background technology
Electric power system is in order to guarantee fail safe, electric power scheduling automatization system is divided into 4 security partitionings, is respectively: safety one district (real time control area), safety 2nd district (non-production control district), safety 3rd district (production management district), safety 4th district (management information area).Wherein, between safety 2nd district and safety 3rd district, by disposing forward spacer assembly and reverse isolation device, strictly control.Safety 2nd district realize one-way communication to the communication in safety 3rd district by forward spacer assembly, and can only pass through the acknowledgement back message of lbit.The communication in three Dao Er district, districts is by reverse isolation device one-way communication, and communication can only be transmitted data in the mode of text.In so harsh network control situation, traditional HTTP request cannot directly be transmitted between safety 2nd district and safety 3rd district, the HTTP request that the program in safety 3rd district is sent cannot arrive safety 2nd district, and the HTTP request that the program in safety 2nd district is sent equally also cannot arrive safety 3rd district.Therefore, cannot realize the WebService service in client call safety 2nd district in safety 3rd district.
Between each application subsystem of electric power system, there is intrinsic isomerism and otherness, such as operating system, Database Systems, developing instrument etc. vary.Along with the scene that between each application subsystem, data sharing is shared with application function is more and more, the isomerism and the otherness that by WebService service architecture, shield between application subsystem become a kind of effective solution.But electric power scheduling automatization system exists the division of security partitioning, this makes the service end and the client that are distributed in different security partitionings cannot directly complete service call.
General service calling method and system adopt the mode of WebService service end migration, by providing the webService service end of same services function to be deployed to targeted security subregion from the migration of security partitioning, source, for the client call that is deployed in targeted security subregion.Existing service calling method needs the deployment of extra WebService service end, has increased hardware and software cost, has increased the workload of disposing and safeguarding and also to system development, has brought difficulty.
Summary of the invention
Based on this, being necessary, for service call complicated operation and the high problem of cost between the client of different security partitionings and service end, provides a kind of service calling method simple to operate and lower-cost and system.
, comprise step:
Intercept and capture the service request messages of client, extract the information of described service request messages, the text with predetermined format name that the information of the described service request messages that generates and extract matches; By described text across service safe subregion write request message file cache unit;
Detect the described text in described request message file cache unit, read the content of described text, described text content is sent to service end in predetermined request mode;
Receive the execution result that described service end is returned with feedback message form;
Generate the feedback text presents of naming to set in advance form matching with described execution result content; Described feedback text presents is write to feedback message file cache unit across service safe subregion;
Detect the described feedback text presents of naming to set in advance form in feedback message file cache unit, read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode.
, comprise bridge joint bound cell, request text receiving element, request message file cache unit, service request transfer unit, feedback text presents receiving element and feedback message file cache unit;
Described bridge joint bound cell is for intercepting and capturing the service request messages of client; extract the information of described service request messages; the text with predetermined format name that the information of the described service request messages that generates and extract matches; detect in feedback message file cache unit to set in advance the described feedback text presents of form name; read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode;
Described request text receiving element is used for described text across service safe subregion write request message file cache unit;
Described request message file cache unit is for carrying out caching process to described text;
Described service request transfer unit is for detection of the described text in described request message file cache unit; read the content of described text; described text content is sent to service end in predetermined request mode; receive the execution result that described service end is returned with feedback message form, generate the feedback text presents of naming to set in advance form matching with described execution result content;
Described feedback text presents receiving element is for writing feedback message file cache unit by described feedback text presents across service safe subregion;
Described feedback message file cache unit is for carrying out caching process to described feedback text presents.
Above-mentioned service calling method and system; when sending service request; intercept and capture the service request messages of client; extract the information of described service request messages; generate the text with predetermined format name that the information with the described service request messages of extracting matches, then by described text across service safe subregion write request message file cache unit; Detect the described text in described request message file cache unit, read the content of described text, described text content is sent to service end in predetermined request mode; When service end feedback execution result, receive the execution result that described service end is returned with feedback message form, generate the feedback text presents of naming to set in advance form matching with described execution result content, described feedback text presents is write to feedback message file cache unit across service safe subregion, detect in feedback message file cache unit to set in advance the described feedback text presents of form name, read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode.The information of service request messages and execution result is extracted and generated the text that can transmit in ready-portioned security partitioning in advance in electric power system, make client can call the Service Source in required security partitioning, do not need extra service end to be carried out to the deployment of software and hardware aspect, effectively reduce hardware and software cost, reduced the workload of disposing and safeguarding.In the implementation procedure of service call, do not need the relative uniformity of service data and function yet, feasible call operation is become simply, reduced the development difficulty of system.
Accompanying drawing explanation
Fig. 1 is the wherein method flow diagram of a kind of embodiment of service calling method;
Fig. 2 is the wherein system construction drawing of a kind of embodiment of service calling method;
Fig. 3 is the wherein system construction drawing of another kind of embodiment of service calling method;
Fig. 4 is the wherein module connection layout of a kind of embodiment of service calling system.
Embodiment
As shown in Figure 1, a kind of service calling method, comprises step:
Step Sll0, intercepts and captures the service request messages of client, extracts the information of described service request messages, generates the text with predetermined format name that the information with the described service request messages of extracting matches;
Step S120, by described text across service safe subregion write request message file cache unit;
Step S130, detects the described text in described request message file cache unit, reads the content of described text, and described text content is sent to service end in predetermined request mode;
Step S140, receives the execution result that described service end is returned with feedback message form;
Step S150, generates the feedback text presents of naming to set in advance form matching with described execution result content;
Step S160, writes feedback message file cache list by described feedback text presents across service safe subregion several;
Step S170, detects the described feedback text presents of naming to set in advance form in feedback message file cache unit, reads described feedback text presents content, and described feedback text presents content is back to client in predetermined request mode.
In the present embodiment, OSB that can choice for use Oracle is as WebService service bus, this service bus have by the WebService service unified management of dispersion and unified issue, can be according to the service of wsdl document realease agent, can intercept and capture request message and feedback message and support the self-defined plug-in unit of develop and field etc. advantage.Before enforcement this programme, can also carry out in advance network system being carried out to circuit deployment according to the direction of service call, as shown in Figure 2, for the ease of understanding, now using the process that security service 3rd district in network system call security service two district's Service Sources and explain as specific embodiment.According to the direction of service call, carry out in advance network system being carried out to circuit deployment, concrete steps can be:
The first step, in safety, 2nd district dispose WebService service bus.But this step is not necessary.
Second step; if 2nd district have disposed WebService service bus in safety; by the WebSeWice service registry that is deployed in safety 2nd district, be " the business service Y " in bus; then issue " agency service Z " on Er district service bus; configure the routing iinformation between " agency service Z " and " business service Y ", guarantee to send to the WebService service request of " agency service Z " finally to arrive " WebService service end " by " business service Y "; If 2nd district are deployment services bus not, skip this step.
The 3rd step, disposes " WebService service request transfer program " to service request transfer unit in safety 2nd district.
The 4th step, in safety, 3rd district dispose WebService service bus.Although WebService service can be managed and issue to service bus, cannot register the WebService service that is deployed in another security partitioning.
The 5th step, the service bus deploy " agency service X " in safety 3rd district.The wsdl document of this agency service Yi Er district WebService service is foundation, configure the end points URI of this agency service, and make the end points URI of " agency service X " and the end points URI of " agency service Z " be consistent as far as possible, suppose that both end points URI are all set to " DemoSystem/DemoService ".
The 6th step is that " agency service X " installs bridge joint bound cell on the service bus in safety 3rd district.
The 7th step, disposes respectively " inverted file reception program " and " direct file transmission program " to feedback text presents receiving element and request text receiving element in safety 2nd district; In safety, 3rd district dispose " inverted file transmission program " and " direct file reception program ".
The WebService client in safety 3rd district is sent WebService service request to agency service X on service bus.This request passes to agency service X by http protocol by SOAP message, when agency service X mates corresponding message route, can intercept and capture by bridge joint bound cell the request message of WebService service, and message request content is converted to the text that can transmit between 2nd district in safety 3rd district and safety, wherein said text matches corresponding with the information of described service request messages, described bridge joint bound cell can also be named the text generating according to predetermined, guarantee the uniqueness of the text of generation, be convenient to system identification.After processing by described text is carried out to corresponding buffer memory, read etc., safety two district service bus IP and the port parameters that finally configured by service request transfer unit basis, and the service endpoints URI extracting from text, SOAP request message content is sent on two district's service bus " agency service Z " by HTTP request mode." agency service Z " passes to " business service Y " by the SOAP request message receiving by " message route ", and finally the mode by SOAP/HTTP sends to " WebService service end ".Service end is according to the content of SOAP request message, carry out corresponding service function, then the form of execution result being fed back to message with SOAP returns to " business service Y ", through a series of conversion, convert execution result content information to feedback text presents again, by safety 3rd district, carry out corresponding buffer memory, the processing such as read again, finally just described feedback text presents content is back to client in predetermined request mode, completes the service call of whole process.Electric power system may exist a plurality of systems to call same service routine when carrying out service call simultaneously, in the present embodiment, to carry out caching process when reading corresponding text, can effectively alleviate the pressure that a plurality of systems are called same service routine simultaneously.
Through above-mentioned steps, the WebService service client that operates in power system security 3rd district just can transparent calling be deployed in the WebService service in safety 2nd district, and himself does not need to make the modification on any programmed logic.
If the end points URI of " agency service X " and " agency service Z " cannot be consistent, in this case, can configure the mapping relations between end points URI in " service request transfer program " this side, the WebService service client that can realize equally safety 3rd district calls the WebService service in safety 2nd district.When safety 2nd district are not during deployment services bus, the method is applicable equally.
In like manner, when the WebSeWice service client that operates in safety 2nd district calls the WebService service that is deployed in safety 3rd district, system is disposed structure chart can be as shown in Figure 3.Because Fig. 2 and Fig. 3 are the mutual transposing of some component locations, can be with reference to the job step of Fig. 2.
Above-mentioned service calling method; when sending service request; intercept and capture the service request messages of client; extract the information of described service request messages; generate the text with predetermined format name that the information with the described service request messages of extracting matches, then by described text across service safe subregion write request message file cache unit; Detect the described text in described request message file cache unit, read the content of described text, described text content is sent to service end in predetermined request mode; When service end feedback execution result, receive the execution result that described service end is returned with feedback message form, generate the feedback text presents of naming to set in advance form matching with described execution result content, described feedback text presents is write to feedback message file cache unit across service safe subregion, detect in feedback message file cache unit to set in advance the described feedback text presents of form name, read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode.The information of service request messages and execution result is extracted and generated the text that can transmit in ready-portioned security partitioning in advance in electric power system, make client can call the Service Source in required security partitioning, do not need extra service end to be carried out to the deployment of software and hardware aspect, effectively reduce hardware and software cost, reduced the workload of disposing and safeguarding.In the implementation procedure of service call, do not need the relative uniformity of service data and function yet, feasible call operation is become simply, reduced the development difficulty of system.
Therein in an embodiment, described service calling method, described service request messages specifically comprises information: when message ID, the service endpoints URI of inferior service request and whole SOAP message contents.In the present embodiment, when a plurality of systems are carried out service call, can generate accordingly a plurality of service request messages, system generates ID, the service endpoints URI corresponding with the message of working as time service request and whole SOAP message content when generating service request messages simultaneously, is convenient to system Differentiated Services request message.
Therein in an embodiment, described service calling method, the described text particular content of generation comprises: the destination node title matching with described text, service endpoints URI and all SOAP message content.In the present embodiment, when the described text generating comprises the full content of SOAP message, system also generates with described text to corresponding identifier service end points URI and the destination node title that matches with described text, be convenient to when service end feedback execution result, system is mated corresponding execution result information with client objectives node.
Therein in an embodiment, described service calling method, the predetermined format name of described text adopts the form that adds .request as time service request messages ID to name.In the present embodiment, for the ease of distinguishing described text, system is when generating text, and to text, name adopts the form that adds .request as inferior service request messages ID to name.Because when time service request messages ID is with corresponding and unique when time service request, add the service request text that suffix .request represents to send the past in the past, the title of described text is unique.
Therein in an embodiment, described service calling method, the form name that sets in advance of described feedback text presents adopts the form that adds .response as time service request messages ID to name.In the present embodiment, for the ease of distinguishing described feedback text presents, system is when generating feedback text presents, and to feedback text presents, name adopts the form that adds .response as inferior service request messages ID to name.Because when time service request messages ID is with corresponding and unique when time service request, add suffix .response and represent the execution result text feeding back, the title of described feedback text presents is unique.
As shown in Figure 4;, comprise bridge joint bound cell 110, request text receiving element 120, request message file cache unit 130, service request transfer unit 140, feedback text presents receiving element 150 and feedback message file cache unit 160;
Described bridge joint bound cell 110 is for intercepting and capturing the service request messages of client; extract the information of described service request messages; the text with predetermined format name that the information of the described service request messages that generates and extract matches; detect in feedback message file cache unit to set in advance the described feedback text presents of form name; read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode;
Described request text receiving element 120 for by described text across service safe subregion write request message file cache unit;
Described request message file cache unit 130 is for carrying out caching process to described text;
Described service request transfer unit 140 is for detection of the described text in described request message file cache unit; read the content of described text; described text content is sent to service end in predetermined request mode; receive the execution result that described service end is returned with feedback message form, generate the feedback text presents of naming to set in advance form matching with described execution result content;
Described feedback text presents receiving element 150 is for writing feedback message file cache unit by described feedback text presents across service safe subregion;
Described feedback message file cache unit 160 is for carrying out caching process to described feedback text presents.
Above-mentioned service calling system; when sending service request; intercept and capture the service request messages of client; extract the information of described service request messages; generate the text with predetermined format name that the information with the described service request messages of extracting matches, then by described text across service safe subregion write request message file cache unit; Detect the described text in described request message file cache unit, read the content of described text, described text content is sent to service end in predetermined request mode; When service end feedback execution result, receive the execution result that described service end is returned with feedback message form, generate the feedback text presents of naming to set in advance form matching with described execution result content, described feedback text presents is write to feedback message file cache unit across service safe subregion, detect in feedback message file cache unit to set in advance the described feedback text presents of form name, read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode.The information of service request messages and execution result is extracted and generated the text that can transmit in ready-portioned security partitioning in advance in electric power system, make client can call the Service Source in required security partitioning, do not need extra service end to be carried out to the deployment of software and hardware aspect, effectively reduce hardware and software cost, reduced the workload of disposing and safeguarding.In the implementation procedure of service call, do not need the relative uniformity of service data and function yet, feasible call operation is become simply, reduced the development difficulty of system.
Therein in an embodiment, described service calling system, described service request messages specifically comprises information: when message ID, the service endpoints URI of inferior service request and whole SOAP message contents.
Therein in an embodiment, described service calling system, the described text particular content of generation comprises: the destination node title matching with described text, service endpoints URI and all SOAP message content.
Therein in an embodiment, described service calling system, the predetermined format name of described text adopts the form that adds .request as time service request messages ID to name.
Therein in an embodiment, described service calling system, the form name that sets in advance of described feedback text presents adopts the form that adds .response as time service request messages ID to name.
Because other part technical characterictics of described service calling system are identical with said method, do not repeat them here.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a service calling method, is characterized in that, comprises step:
Intercept and capture the service request messages of client, extract the information of described service request messages, the text with predetermined format name that the information of the described service request messages that generates and extract matches;
By described text across service safe subregion write request message file cache unit;
Detect the described text in described request message file cache unit, read the content of described text, described text content is sent to service end in predetermined request mode;
Receive the execution result that described service end is returned with feedback message form;
Generate the feedback text presents of naming to set in advance form matching with described execution result content;
Described feedback text presents is write to feedback message file cache unit across service safe subregion;
Detect the described feedback text presents of naming to set in advance form in feedback message file cache unit, read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode.
2. service calling method according to claim 1, is characterized in that, described service request messages specifically comprises information: when message ID, service endpoints URI and whole SOAP message content of inferior service request.
3. service calling method according to claim 1 and 2, is characterized in that, the described text particular content of generation comprises: the destination node title matching with described text, service endpoints URI and all SOAP message content.
4. service calling method according to claim 1 and 2, is characterized in that, the predetermined format name of described text adopts the form that adds .request as inferior service request messages ID to name.
5. service calling method according to claim 1 and 2, is characterized in that, the form name that sets in advance of described feedback text presents adopts the form that adds .response as inferior service request messages ID to name.
6. a service calling system, is characterized in that, comprises bridge joint bound cell, request text receiving element, request message file cache unit, service request transfer unit, feedback text presents receiving element and feedback message file cache unit;
Described bridge joint bound cell is for intercepting and capturing the service request messages of client; extract the information of described service request messages; the text with predetermined format name that the information of the described service request messages that generates and extract matches; detect in feedback message file cache unit to set in advance the described feedback text presents of form name; read described feedback text presents content, described feedback text presents content is back to client in predetermined request mode;
Described request text receiving element is used for described text across service safe subregion write request message file cache unit;
Described request message file cache unit is for carrying out caching process to described text;
Described service request transfer unit is for detection of the described text in described request message file cache unit; read the content of described text; described text content is sent to service end in predetermined request mode; receive the execution result that described service end is returned with feedback message form, generate the feedback text presents of naming to set in advance form matching with described execution result content;
Described feedback text presents receiving element is for writing feedback message file cache unit by described feedback text presents across service safe subregion;
Described feedback message file cache unit is for carrying out caching process to described feedback text presents.
7. service calling system according to claim 6, is characterized in that, described service request messages specifically comprises information: when message ID, service endpoints URI and whole SOAP message content of inferior service request.
8. according to the service calling system described in claim 6 or 7, it is characterized in that, the described text particular content of generation comprises: the destination node title matching with described text, service endpoints URI and all SOAP message content.
9. according to the service calling system described in claim 6 or 7, it is characterized in that, the predetermined format name of described text adopts the form that adds .request as inferior service request messages ID to name.
10. according to the service calling system described in claim 6 or 7, it is characterized in that, the form name that sets in advance of described feedback text presents adopts the form that adds .response as inferior service request messages ID to name.
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