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var PROTO_PATH = __dirname+'/greeter.proto'; | |
var grpc = require('@grpc/grpc-js'); | |
var protoLoader = require('@grpc/proto-loader'); | |
var packageDefinition = protoLoader.loadSync( | |
PROTO_PATH, | |
{keepCase: true, | |
longs: String, | |
enums: String, | |
defaults: true, | |
oneofs: true | |
}); | |
var greeter_proto = | |
grpc.loadPackageDefinition(packageDefinition).greeter; | |
function lotsOfReplies(call) { | |
console.log("Request:"+call.request); | |
var name = call.request.name | |
for(let i=0;i<10;++i){ | |
call.write({message: "Yo "+name+" "+i}); | |
} | |
call.end(); | |
} | |
function sayHello(call, callback) { | |
callback(null, {message: 'Yo ' + call.request.name}); | |
} | |
function lotsOfRequests(call, callback) { | |
var input = []; | |
var index = 0; | |
call.on('data',function(request){ | |
console.log("Request:"+request.name); | |
input.push("Hello "+request.name+" "+index+"\n"); | |
index++; | |
}); | |
call.on('end',function(){ | |
callback(null, {message: input.toString()}); | |
}); | |
} | |
function bidirectionalHello(call) { | |
var input = []; | |
var index = 0; | |
call.on('data',function(request){ | |
console.log("Request: "+request.name); | |
if(index < 2){ | |
call.write({message: "Hello "+request.name+" "+(index*2)}); | |
} | |
else{ | |
call.write({message: "Yo "+request.name+" "+(index*3)}); | |
} | |
input.push(request.name+"\n"); | |
index++; | |
}); | |
call.on('end',function(){ | |
call.write({message: "\n"+input.toString()+" "+(index*index)}); | |
call.end(); | |
}); | |
} | |
function main() { | |
var server = new grpc.Server(); | |
server.addService(greeter_proto.Greeter.service, { | |
sayHello: sayHello, | |
lotsOfReplies: lotsOfReplies, | |
lotsOfRequests: lotsOfRequests, | |
bidirectionalHello: bidirectionalHello | |
}); | |
server.bindAsync('0.0.0.0:50051', grpc.ServerCredentials.createInsecure(), () => { | |
server.start(); | |
}); | |
} | |
main(); |
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