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client.js
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client.js
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// Packages
const grpc = require("grpc");
const protoLoader = require("@grpc/proto-loader");
// load proto file
const packageDef = protoLoader.loadSync("todo.proto", {});
// load package definition
const grpcObject = grpc.loadPackageDefinition(packageDef);
// get todoPackage
const todoPackage = grpcObject.todoPackage;
// setup client
const client = new todoPackage.Todo("localhost:4000", grpc.credentials.createInsecure());
// client will call createTodo method
client.createTodo({
"id": 2,
"text": "learning grpc"
}, (error, response) => {
if(error) console.log(`Ooops internal server error: ${error}`)
console.log(`(createTodo) Recieved from server: ${JSON.stringify(response)}`);
});
// client will readTodos method
client.readTodos({}, (error, response) => {
if(error) console.log(`Ooops internal server error: ${error}`)
console.log(`(readTodos) Recieved from server: ${JSON.stringify(response)}`);
});
// client will readTodosStream
const call = client.readTodosStream();
call.on("data", (item) => {
console.log(`(readTodosStream) Recivied data from server: ${JSON.stringify(item)}`);
});
call.on("end", (e) => console.log("server done!"));