iothub-explorer/iothub-explorer-monitor-upl...

52 строки
2.0 KiB
JavaScript

#!/usr/bin/env node
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
'use strict';
// external dependencies
var program = require('commander');
var chalk = require('chalk');
var prettyjson = require('prettyjson');
// local dependencies
var inputError = require('./common.js').inputError;
var serviceError = require('./common.js').serviceError;
var getSas = require('./common.js').getSas;
// Azure Event Hubs dependencies
var ServiceClient = require('azure-iothub').Client;
var showDeprecationText = require('./common.js').showDeprecationText;
showDeprecationText('There is no equivalent command in the Azure CLI - if this feature is important to you please open an issue on the Azure CLI IoT Extension repository (https://aka.ms/iotcli)');
program
.description('Monitor file upload notifications emitted by devices')
.option('-l, --login <connectionString>', 'use the connection string provided as argument to use to authenticate with your IoT hub')
.option('-r, --raw', 'use this flag to return raw output instead of pretty-printed output')
.parse(process.argv);
var sas = getSas(program.login);
var client = ServiceClient.fromSharedAccessSignature(sas.toString());
client.open(function (err) {
if (err) {
inputError('Could not open the connection to the service: ' + err.message);
} else {
client.getFileNotificationReceiver(function (err, receiver) {
if (err) serviceError(err);
if (!program.raw) {
console.log(chalk.yellow('Waiting for file notifications...') + ' (Ctrl-C to quit)');
}
receiver.on('errorReceived', function (err) { serviceError(err); });
receiver.on('message', function (fileNotification) {
var notif = JSON.parse(fileNotification.data.toString());
var rendered = program.raw ?
JSON.stringify(notif) :
prettyjson.render(notif) + '\n----------------------------\n';
console.log(rendered);
});
});
}
});