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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2015 gRPC authors.
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				|  |  | + *
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				|  |  | + * Licensed under the Apache License, Version 2.0 (the "License");
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				|  |  | + * you may not use this file except in compliance with the License.
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				|  |  | + * You may obtain a copy of the License at
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				|  |  | + *
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				|  |  | + *     http://www.apache.org/licenses/LICENSE-2.0
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				|  |  | + *
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				|  |  | + * Unless required by applicable law or agreed to in writing, software
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				|  |  | + * distributed under the License is distributed on an "AS IS" BASIS,
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				|  |  | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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				|  |  | + * See the License for the specific language governing permissions and
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				|  |  | + * limitations under the License.
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				|  |  | + *
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				|  |  | + */
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				|  |  | +
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				|  |  | +var PROTO_PATH = __dirname + '/../../protos/helloworld.proto';
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				|  |  | +
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				|  |  | +var parseArgs = require('minimist');
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				|  |  | +var grpc = require('@grpc/grpc-js');
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				|  |  | +var grpc_xds = require('@grpc/grpc-js-xds');
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				|  |  | +grpc_xds.register();
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				|  |  | +
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				|  |  | +var protoLoader = require('@grpc/proto-loader');
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				|  |  | +var packageDefinition = protoLoader.loadSync(
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				|  |  | +    PROTO_PATH,
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				|  |  | +    {keepCase: true,
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				|  |  | +     longs: String,
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				|  |  | +     enums: String,
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				|  |  | +     defaults: true,
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				|  |  | +     oneofs: true
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				|  |  | +    });
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				|  |  | +var hello_proto = grpc.loadPackageDefinition(packageDefinition).helloworld;
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				|  |  | +
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				|  |  | +function main() {
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				|  |  | +  var argv = parseArgs(process.argv.slice(2), {
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				|  |  | +    string: 'target'
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				|  |  | +  });
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				|  |  | +  var target;
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				|  |  | +  if (argv.target) {
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				|  |  | +    target = argv.target;
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				|  |  | +  } else {
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				|  |  | +    target = 'localhost:50051';
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				|  |  | +  }
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				|  |  | +  var client = new hello_proto.Greeter(target,
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				|  |  | +                                       grpc.credentials.createInsecure());
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				|  |  | +  var user;
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				|  |  | +  if (argv._.length > 0) {
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				|  |  | +    user = argv._[0]; 
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				|  |  | +  } else {
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				|  |  | +    user = 'world';
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				|  |  | +  }
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				|  |  | +  client.sayHello({name: user}, function(err, response) {
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				|  |  | +    if (err) throw err;
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				|  |  | +    console.log('Greeting:', response.message);
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				|  |  | +    client.close();
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				|  |  | +  });
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				|  |  | +}
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				|  |  | +
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				|  |  | +main();
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