CN112929454B - Heterogeneous service interoperation method and device - Google Patents
Heterogeneous service interoperation method and device Download PDFInfo
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- CN112929454B CN112929454B CN202110458139.0A CN202110458139A CN112929454B CN 112929454 B CN112929454 B CN 112929454B CN 202110458139 A CN202110458139 A CN 202110458139A CN 112929454 B CN112929454 B CN 112929454B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/133—Protocols for remote procedure calls [RPC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/566—Grouping or aggregating service requests, e.g. for unified processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
The invention discloses a heterogeneous service interoperation method and a heterogeneous service interoperation device, wherein the method comprises the following steps: the client node initiates an information interaction request to the service end node, the information interaction request is processed by the service protocol bus, the information interaction request is converted into a format consistent with the service protocol of the service end node, and information interaction is completed between the client node and the service end node; the service protocol bus comprises an agent client and an agent server. By adopting the technical scheme, the information interaction between the remote call service and the message service is realized.
Description
Technical Field
The invention relates to the field of information data communication, in particular to a heterogeneous service interoperation method and device.
Background
Nowadays, internet applications and information systems are developed at a high speed, more and more application systems are produced, and currently, information sharing means between applications mainly include two major types: (1) remote Procedure Call Service (RPC) in a network environment with unlimited bandwidth, using a request-response information exchange mechanism; (2) message Service (Message Service) in a narrow-band environment adopts a 'publish-subscribe' information exchange mechanism. However, in the prior art, a technical scheme of combining the two information exchange mechanisms is not involved, that is, information interaction is performed between the two information exchange mechanisms, and the RPC service itself has multiple service protocols and implementation frameworks, which further enhances the difficulty of information sharing between the two information exchange mechanisms.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a heterogeneous service interoperation method and device, and aims to realize information interaction between a remote call service and a message service.
The technical scheme is as follows: the invention provides a heterogeneous service interoperation method, which comprises the following steps: the client node initiates an information interaction request to the service end node, the information interaction request is processed by the service protocol bus, the information interaction request is converted into a format consistent with the service protocol of the service end node, and information interaction is completed between the client node and the service end node; the service protocol bus comprises an agent client and an agent server;
when the service protocol of the client node is a remote call service and the service protocol of the service node is a message service, the method comprises the following steps: the client node initiates a remote calling service request to the proxy server; the proxy server side submits the remote calling service request data to the proxy client side, and the proxy client side issues the service request data to the global data space; the service end node receives the service request data through the global data space and issues response data of the service request to the global data space; the proxy client receives response data of the service request through the global data space; the proxy client returns response data of the service request to the proxy server, and the proxy server returns response data of the service request to the client node;
when the service protocol of the client node is a message service and the service protocol of the service end node is a remote call service, the method comprises the following steps: the client node issues message service request data to the global data space; the agent server receives the message service request data through the global data space and submits the service request data to the agent client; the proxy client side initiates a service request to the server-side node, and the server-side node returns response data of the service request to the proxy client side; the proxy client submits the response data of the service request to a proxy server, and the proxy server issues the response data of the service request to the global data space; the client node receives response data to the service request through the global data space.
Specifically, the service protocol between the proxy client and the service end node is consistent, and the service protocol between the proxy server and the client end node is consistent; when data is transferred between the proxy client and the proxy server, the data is converted into a service protocol format.
Specifically, the receiving, by the server-side node, service request data through a global data space further includes: the server-side node subscribes service request data to the global data space; the proxy client receives response data of the service request through the global data space, and the method also comprises the following steps: the proxy client subscribes to the response data requested by the service from the global data space.
Specifically, the client node initiates a remote service invocation request to the proxy server, and the method includes: and generating a client node interface and an agent server interface, generating a client message agent on the agent client, and receiving the service request data after the format conversion of the service protocol.
Specifically, the client node receives response data of the service request through the global data space, and the method further includes: the client node subscribes response data requested by the service to the global data space;
the proxy server receives the message service request data through the global data space, and the method also comprises the following steps: and the proxy server side subscribes message service request data to the global data space.
Specifically, the client node issues the message service request data to the global data space, and the method further includes: and generating a server node interface and an agent client interface, generating a server message agent on the agent server, and receiving the service request data after the format conversion of the service protocol.
The present invention also provides a heterogeneous service interoperation device, comprising: a client node, a server node, and a service protocol bus, wherein: the client node is used for initiating an information interaction request to the server node; the service protocol bus comprises an agent client and an agent server and is used for converting the information interaction request into a format consistent with the service protocol of the service end node; the server node is used for responding to the information interaction request and completing the information interaction with the client node;
wherein, when the service protocol of the client node is a remote invocation service and the service protocol of the service end node is a message service, the client node, the service end node and the service protocol bus are configured to: the client node initiates a remote calling service request to the proxy server; the proxy server side submits the remote calling service request data to the proxy client side, and the proxy client side issues the service request data to the global data space; the service end node receives the service request data through the global data space and issues response data of the service request to the global data space; the proxy client receives response data of the service request through the global data space; the proxy client returns response data of the service request to the proxy server, and the proxy server returns response data of the service request to the client node;
wherein, when the service protocol of the client node is a message service and the service protocol of the service end node is a remote invocation service, the client node, the service end node and the service protocol bus are configured to: the client node issues message service request data to the global data space; the agent server receives the message service request data through the global data space and submits the service request data to the agent client; the proxy client side initiates a service request to the server-side node, and the server-side node returns response data of the service request to the proxy client side; the proxy client submits the response data of the service request to a proxy server, and the proxy server issues the response data of the service request to the global data space; the client node receives response data to the service request through the global data space.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: and realizing information interaction between the remote call service and the message service.
Drawings
FIG. 1 is a schematic diagram of a remote invocation service client request message server in the present invention;
FIG. 2 is a flow chart of a "request-response" call chain in the present invention, corresponding to FIG. 1;
FIG. 3 is a schematic diagram of a message service client requesting remote invocation of a server in accordance with the present invention;
fig. 4 is a flowchart of a "publish-subscribe" call chain in the present invention, corresponding to fig. 3.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The following is an explanation of the terms used in this patent, applicable to the terms used in this patent:
service protocol (translation) bus: and integrating different application program systems by using a standard open protocol and a verified application integration mode to realize the interconnection and intercommunication of information among different application systems, different protocols and different development languages. The service protocol bus defines a series of constituent components for tasks related to communication, routing, service interaction, etc. when integrating different application systems;
service directory: the functions of registration and release of RPC service and message service and service discovery are provided, and metadata information of the service is maintained and managed;
IDL file: IDL (interface Definition language) is a service interface Definition language, which is the basis of cross-platform development. IDL provides a set of general data types, and defines more complex data types by the data types, and the expression files are compiled to generate corresponding serialization interface programs.
Remote invocation service: remote Procedure Call Service (RPC) implements a request Call of an application system between two nodes. Based on IDL files and serialized service interfaces, a request-response communication mode is adopted between a client node and a server node, and cross-node remote calling of information (programs) between applications is realized;
message service: the nodes take a theme (topic) as a link, and cross-node sharing of data information is realized by adopting a publishing-subscribing mode;
global data space: the Global Data Space (GDS) is a core part of the publish/subscribe model, any application program can access the Global Data Space, and a publisher only needs to push information into the Global Data Space without being concerned about the destination of the Data.
The invention aims to overcome the defects in the prior art and adapts and is compatible with service frameworks of different protocols. And generating an agent server and an agent client through the IDL file, converting the protocol format of data based on the agent server and the agent client, and finally realizing the information data interconnection and intercommunication between two information sharing mechanisms of 'request-response' and 'publish-subscribe' based on a service protocol bus.
In specific implementation, since the message service is usually an information interaction mechanism suitable for the narrow-band environment, the heterogeneous service interoperation method provided by the patent is also more suitable for the narrow-band environment, and can take care of the characteristics of the message service.
In an effort to address the reliable interoperation between remote invocation services and messaging services, a service protocol bus is provided that includes a proxy client and a proxy server. The system separates a consumer (client) and a provider (server) of the service, and the proxy server is arranged behind the client and the proxy client is arranged in front of the server. The service protocol format conversion of data is realized through two agent modules, and the patent provides the following two service calling flows:
(1) the service consumer is RPC service, and the service provider calls a flow for the service of the message service;
(2) the service consumer is a message service and the service provider is a service call flow of the RPC service.
The invention provides a heterogeneous service interoperation method, which comprises the following steps: the client node initiates an information interaction request to the service end node, the information interaction request is processed by the service protocol bus, the information interaction request is converted into a format consistent with the service protocol of the service end node, and information interaction is completed between the client node and the service end node; the service protocol bus comprises an agent client and an agent server.
In a specific implementation, the step of generating the service protocol bus may include the following:
step 1: inquiring IDL interface files of corresponding services according to the service directory;
step 2: generating an agent server code and an agent client code according to the IDL file and the IDL compiler, wherein the code file can be java file; the service agreement between the agent server and the service consumer is kept consistent, and the service agreement between the agent client and the service provider is kept consistent. The proxy server code realizes data conversion and call to the proxy client, and the proxy client is the same;
and step 3: compiling the star.java file into a corresponding class file by a java compiler to form an executable package of an agent server and an agent client;
and 4, step 4: according to the ClassLoader mechanism of the JVM Virtual Machine (JVM), executable packages of a proxy server and a proxy client can be added to the JVM running environment, so that the middleware proxy service is released.
In the embodiment of the invention, the service protocols between the proxy client and the service end node are consistent, and the service protocols between the proxy server and the client end node are consistent; when data is transferred between the proxy client and the proxy server, the data is converted into a service protocol format.
In the specific implementation, the service protocol bus in the patent supports conversion adaptation of the services protocols of the Thrift, the gPRC, the WebService and the Restful, supports a serialization interface of the service, and supports semantic conversion between IDL files of the reference service and IDL files of the services of the Thrift, the gPRC, the WebService and the Restful.
See fig. 1 and 2. In the embodiment of the invention, when the service protocol of a client node (PRC service client) is a remote invocation service and the service protocol of a service node (message publishing service end) is a message service, the conversion of 'request-response' into 'subscription-publishing' data service protocol is realized, and the steps are as follows:
the client node initiates a remote calling service request to the proxy server;
the proxy server submits the generated serialized remote call service request data (defined as service-req-data and including a call serial number defined as sessionId) to the proxy client, and the proxy client issues the service request data to the global data space in a format of' service Id, < service-req data, sessionId >;
the service end node receives the service request data through the global data space, deserializes according to the IDL interface specification, returns response data (defined as service-rsp-data) of the serialized service request after service processing is finished, and issues the response data (in the format of sessionId, service-rsp-data) of the service request to the global data space;
the proxy client receives response data (service-rsp-data) of the service request through the global data space;
and realizing the deserialization of the response data, returning the response data of the service request to the proxy server by the proxy client, and returning the response data of the service request to the client node by the proxy server.
In this embodiment of the present invention, the server-side node receives service request data through a global data space, and before that, the method further includes: the server-side node subscribes service request data to the global data space, and the subscription subject can be 'serviceId';
the proxy client receives response data of the service request through the global data space, and the method also comprises the following steps: the proxy client subscribes response data requested by the service to the global data space, and the subscription topic is 'sessionId'.
In the embodiment of the present invention, the client node initiates a remote service invocation request to the proxy server, and before the remote service invocation request, the method further includes: generating a client node interface and an agent server interface, generating a client message agent on an agent client, and receiving service request data after format conversion of a service protocol; the server end node registers a message service address with the registry.
See fig. 3 and 4. In the embodiment of the invention, when the service protocol of a client node (message issuing client) is a message service and the service protocol of a service node (RPC service server) is a remote call service, the steps are as follows:
a client node issues message service request data to a global data space, and a subscription topic bound during issuing is 'serviceId-req';
the agent server receives message service request data with a subscription topic of 'serviceId-req' through a global data space, performs protocol format conversion and serialization on the service request data, and submits the service request data to the agent client;
the proxy client side initiates a service request to the server-side node, and after the service processing of the server-side node is completed, the server-side node returns response data of the service request to the proxy client side for deserialization;
the proxy client submits the response data of the service request to a proxy server, the proxy server performs service protocol format conversion on the response data, binds the converted response data to a subscription subject 'serviceId-rsp', and the proxy server issues the response data of the service request to a global data space;
the client node receives response data to the service request through the global data space.
In this embodiment of the present invention, the client node receives response data of the service request through the global data space, and before that, the method further includes: the client node subscribes response data of the service request to the global data space, and the subscription topic is 'serviceId-rsp';
the proxy server receives the message service request data through the global data space, and the method also comprises the following steps: the agent server side subscribes message service request data to the global data space, and the subscription topic is 'serviceId-req'.
In this embodiment of the present invention, the client node issuing message service request data to a global data space further includes: and generating a server node interface and an agent client interface, generating a server message agent on the agent server, receiving service request data after the format conversion of the service protocol, and registering a message service address to a registration center by the server node.
In the specific implementation, the heterogeneous service interoperation function is realized through each interface, the proxy client and the proxy server, and the information interaction between the remote call service and the message service is realized.
The present invention also provides a heterogeneous service interoperation device, comprising: a client node, a server node, and a service protocol bus, wherein: the client node is used for initiating an information interaction request to the server node; the service protocol bus comprises an agent client and an agent server and is used for converting the information interaction request into a format consistent with the service protocol of the service end node; the server node is used for responding to the information interaction request and completing the information interaction with the client node;
wherein, when the service protocol of the client node is a remote invocation service and the service protocol of the service end node is a message service, the client node, the service end node and the service protocol bus are configured to: the client node initiates a remote calling service request to the proxy server; the proxy server side submits the remote calling service request data to the proxy client side, and the proxy client side issues the service request data to the global data space; the service end node receives the service request data through the global data space and issues response data of the service request to the global data space; the proxy client receives response data of the service request through the global data space; the proxy client returns response data of the service request to the proxy server, and the proxy server returns response data of the service request to the client node;
wherein, when the service protocol of the client node is a message service and the service protocol of the service end node is a remote invocation service, the client node, the service end node and the service protocol bus are configured to: the client node issues message service request data to the global data space; the agent server receives the message service request data through the global data space and submits the service request data to the agent client; the proxy client side initiates a service request to the server-side node, and the server-side node returns response data of the service request to the proxy client side; the proxy client submits the response data of the service request to a proxy server, and the proxy server issues the response data of the service request to the global data space; the client node receives response data to the service request through the global data space.
In the embodiment of the invention, the service protocols between the proxy client and the service end node are consistent, and the service protocols between the proxy server and the client end node are consistent; when data is transferred between the proxy client and the proxy server, the data is converted into a service protocol format.
In this embodiment of the present invention, the server-side node receives service request data through a global data space, and before that, the method further includes: the server-side node subscribes service request data to the global data space;
the proxy client receives response data of the service request through the global data space, and the method also comprises the following steps: the proxy client subscribes to the response data requested by the service from the global data space.
In this embodiment of the present invention, the client node receives response data of the service request through the global data space, and before that, the method further includes: the client node subscribes response data requested by the service to the global data space;
the proxy server receives the message service request data through the global data space, and the method also comprises the following steps: and the proxy server side subscribes message service request data to the global data space.
Claims (10)
1. A heterogeneous service interoperation method, comprising:
the client node initiates an information interaction request to the service end node, the information interaction request is processed by the service protocol bus, the information interaction request is converted into a format consistent with the service protocol of the service end node, and information interaction is completed between the client node and the service end node; the service protocol bus comprises an agent client and an agent server;
when the service protocol of the client node is a remote call service and the service protocol of the service node is a message service, the method comprises the following steps:
the client node initiates a remote calling service request to the proxy server;
the proxy server side submits the remote calling service request data to the proxy client side, and the proxy client side issues the service request data to the global data space;
the service end node receives the service request data through the global data space and issues response data of the service request to the global data space;
the proxy client receives response data of the service request through the global data space;
the proxy client returns response data of the service request to the proxy server, and the proxy server returns response data of the service request to the client node;
when the service protocol of the client node is a message service and the service protocol of the service end node is a remote call service, the method comprises the following steps:
the client node issues message service request data to the global data space;
the agent server receives the message service request data through the global data space and submits the service request data to the agent client;
the proxy client side initiates a service request to the server-side node, and the server-side node returns response data of the service request to the proxy client side;
the proxy client submits the response data of the service request to a proxy server, and the proxy server issues the response data of the service request to the global data space;
the client node receives response data to the service request through the global data space.
2. The heterogeneous service interoperation method according to claim 1, wherein the service agreement between the proxy client and the service end node is consistent, and the service agreement between the proxy server and the client end node is consistent; when data is transferred between the proxy client and the proxy server, the data is converted into a service protocol format.
3. The heterogeneous service interoperation method according to claim 2, wherein the service end node receives service request data through a global data space, and before further comprising:
the server-side node subscribes service request data to the global data space;
the proxy client receives response data of the service request through the global data space, and the method also comprises the following steps:
the proxy client subscribes to the response data requested by the service from the global data space.
4. The heterogeneous service interoperation method according to claim 3, wherein the client node initiates a remote invocation service request to the proxy server, further comprising:
and generating a client node interface and an agent server interface, generating a client message agent on the agent client, and receiving the service request data after the format conversion of the service protocol.
5. The heterogeneous service interoperation method according to claim 2, wherein the client node receives response data of the service request through a global data space, and before further comprising:
the client node subscribes response data requested by the service to the global data space;
the proxy server receives the message service request data through the global data space, and the method also comprises the following steps:
and the proxy server side subscribes message service request data to the global data space.
6. The heterogeneous services interoperation method of claim 5, wherein the client node issues message service request data to a global data space, further comprising:
and generating a server node interface and an agent client interface, generating a server message agent on the agent server, and receiving the service request data after the format conversion of the service protocol.
7. A heterogeneous services interoperability apparatus, comprising: a client node, a server node, and a service protocol bus, wherein:
the client node is used for initiating an information interaction request to the server node;
the service protocol bus comprises an agent client and an agent server and is used for converting the information interaction request into a format consistent with the service protocol of the service end node;
the server node is used for responding to the information interaction request and completing the information interaction with the client node;
wherein, when the service protocol of the client node is a remote invocation service and the service protocol of the service end node is a message service, the client node, the service end node and the service protocol bus are configured to:
the client node initiates a remote calling service request to the proxy server;
the proxy server side submits the remote calling service request data to the proxy client side, and the proxy client side issues the service request data to the global data space;
the service end node receives the service request data through the global data space and issues response data of the service request to the global data space;
the proxy client receives response data of the service request through the global data space;
the proxy client returns response data of the service request to the proxy server, and the proxy server returns response data of the service request to the client node;
wherein, when the service protocol of the client node is a message service and the service protocol of the service end node is a remote invocation service, the client node, the service end node and the service protocol bus are configured to:
the client node issues message service request data to the global data space;
the agent server receives the message service request data through the global data space and submits the service request data to the agent client;
the proxy client side initiates a service request to the server-side node, and the server-side node returns response data of the service request to the proxy client side;
the proxy client submits the response data of the service request to a proxy server, and the proxy server issues the response data of the service request to the global data space;
the client node receives response data to the service request through the global data space.
8. The heterogeneous services interoperability device of claim 7, wherein the service agreement between the proxy client and the service end node is consistent, and the service agreement between the proxy server and the client end node is consistent; when data is transferred between the proxy client and the proxy server, the data is converted into a service protocol format.
9. The heterogeneous service interoperation device according to claim 8, wherein the service end node receives service request data through a global data space, and further comprising:
the server-side node subscribes service request data to the global data space;
the proxy client receives response data of the service request through the global data space, and the method also comprises the following steps:
the proxy client subscribes to the response data requested by the service from the global data space.
10. The heterogeneous service interoperability apparatus of claim 8, wherein the client node receives response data for the service request over a global data space, further comprising:
the client node subscribes response data requested by the service to the global data space;
the proxy server receives the message service request data through the global data space, and the method also comprises the following steps:
and the proxy server side subscribes message service request data to the global data space.
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