micro-json-rpc

Implementation of JSON-RPC protocol based on Quarkus microservice.

Dependencies

wcollections

• git clone https://github.com/giosil/wcollections.git
• mvn clean install - this will publish wcollections-1.0.0.jar in Maven local repository

Quarkus usage

The project was created with the following command:

quarkus create app org.dew.jsonrpc:micro-json-rpc --extension='resteasy-reactive-jsonb'

To consult the list of dependencies:

quarkus ext list

or simply:

quarkus ext

Build with Maven

• git clone https://github.com/giosil/micro-json-rpc.git
• mvn clean install

Build with Quarkus

• git clone https://github.com/giosil/micro-json-rpc.git
• quarkus build

Build a native executable:

• quarkus build --native

Build a container friendly executable:

• quarkus build --native -Dquarkus.native.container-build=true

Run in development mode

• quarkus dev

To enable debug :

• quarkus dev -Dsuspend -Ddebug

Then, attach your debugger to localhost:5005.

Test

POST http://localhost:8080/rpc

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "DEMO.hello",
  "params": ["world"]
}

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "DEMO.helloObj",
  "params": ["world"]
}

Connection pool

If you want to add a connection pool to a DBMS:

quarkus ext add io.quarkus:quarkus-agroal

This command inserts a new dependency into the pom.xml file

    <dependency>
      <groupId>io.quarkus</groupId>
      <artifactId>quarkus-agroal</artifactId>
    </dependency>

To remove the dependency:

quarkus ext remove io.quarkus:quarkus-agroal

Datasource configuration:

Edit file src/main/resources/application.properties:

quarkus.datasource.db-kind=mariadb
quarkus.datasource.username=user
quarkus.datasource.password=password
quarkus.datasource.jdbc.url=jdbc:mariadb://localhost:3306/database
quarkus.datasource.jdbc.min-size=5
quarkus.datasource.jdbc.max-size=20
quarkus.datasource.jdbc.connection-timeout=5s

License

Contributors

• Giorgio Silvestris