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test_dgram_setttl_server.js
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test_dgram_setttl_server.js
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/* Copyright 2017-present Samsung Electronics Co., Ltd. and other contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var assert = require('assert');
var dgram = require('dgram');
var port = 41234;
var msg = 'Hello IoT.js';
var server = dgram.createSocket('udp4');
var recvMsg = "";
var recvCnt = 0;
server.on('error', function(err) {
assert.fail();
server.close();
});
server.on('message', function(data, rinfo) {
console.log('server got data : ' + data);
console.log('client address : ' + rinfo.address);
console.log('client port : ' + rinfo.port);
console.log('client family : ' + rinfo.family);
recvMsg = data;
recvCnt++;
server.send(msg, rinfo.port, rinfo.address, function (err, len) {
assert.equal(err, null);
assert.equal(len, msg.length);
});
setTimeout(function() { server.close() }, 4000);
});
server.on('listening', function() {
console.log('listening');
});
server.bind(port);
process.on('exit', function(code) {
assert.equal(code, 0);
assert.equal(recvCnt, 1);
assert.equal(recvMsg, msg);
});