embark/lib/services.js

84 lines
2.6 KiB
JavaScript

var Web3 = require('web3');
var async = require('async');
var request = require('request');
var ServicesMonitor = function(options) {
this.logger = options.logger;
this.interval = options.interval || 5000;
this.config = options.config;
this.serverHost = options.serverHost || 'localhost';
this.serverPort = options.serverPort || 8000;
this.runWebserver = options.runWebserver;
};
ServicesMonitor.prototype.startMonitor = function() {
this.monitor = setInterval(this.check.bind(this), this.interval);
};
ServicesMonitor.prototype.stopMonitor = function() {
};
ServicesMonitor.prototype.check = function() {
var self = this;
async.waterfall([
function connectWeb3(callback) {
self.logger.trace('connectWeb3');
var web3 = new Web3();
var web3Endpoint = 'http://' + self.config.blockchainConfig.rpcHost + ':' + self.config.blockchainConfig.rpcPort;
web3.setProvider(new web3.providers.HttpProvider(web3Endpoint));
callback(null, web3, []);
},
function addEmbarkVersion(web3, result, callback) {
self.logger.trace('addEmbarkVersion');
result.push('Embark 2.1.3'.green);
callback(null, web3, result);
},
function checkEthereum(web3, result, callback) {
self.logger.trace('checkEthereum');
var service;
if (web3.isConnected()) {
service = (web3.version.node.split("/")[0] + " (Ethereum)").green;
} else {
service = "No Blockchain node found".red;
}
result.push(service);
callback(null, web3, result);
},
function checkWhisper(web3, result, callback) {
self.logger.trace('checkWhisper');
web3.version.getWhisper(function(err, res) {
var service = 'whisper';
result.push(err ? service.red : service.green);
callback(null, result);
});
},
function checkIPFS(result, callback) {
self.logger.trace('checkIPFS');
request('http://localhost:5001', function(error, response, body) {
if (error) {
result.push('IPFS'.red);
} else {
result.push('IPFS'.green);
}
callback(null, result);
});
},
function checkDevServer(result, callback) {
self.logger.trace('checkDevServer');
var devServer = 'dev server (http://' + self.serverHost + ':' + self.serverPort + ')';
devServer = (self.runWebserver) ? devServer.green : devServer.red;
result.push(devServer);
callback(null, result);
}
], function(err, result) {
if (err) {
self.logger.error(err.message);
} else {
self.logger.availableServices(result);
}
});
};
module.exports = ServicesMonitor;