mirror of https://github.com/embarklabs/embark.git
74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
const child_process = require('child_process');
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const ProcessWrapper = require('../processWrapper');
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const constants = require('../../constants');
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const fs = require('../../core/fs');
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let swarmProcess;
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class SwarmProcess extends ProcessWrapper {
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constructor(options) {
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super();
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this.storageConfig = options.storageConfig;
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this.cors = options.cors;
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this.command = this.storageConfig.swarmPath || 'swarm';
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}
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startSwarmDaemon() {
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const self = this;
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if (!this.storageConfig.account || !this.storageConfig.account.address || !this.storageConfig.account.password) {
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return 'Account address and password are needed in the storage config to start the Swarm process';
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}
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const args = [
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`--bzzaccount=${this.storageConfig.account.address}`,
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`--password=${fs.dappPath(this.storageConfig.account.password)}`,
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`--corsdomain=${self.cors.join(',')}`
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];
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console.trace('Starting swarm process with arguments: ' + args.join(' '));
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this.child = child_process.spawn(this.command, args);
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this.child.on('error', (err) => {
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err = err.toString();
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console.error('Swarm error: ', err);
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});
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this.child.stdout.on('data', (data) => {
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data = data.toString();
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console.log(`Swarm error: ${data}`);
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});
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// Swarm logs appear in stderr somehow
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this.child.stderr.on('data', (data) => {
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data = data.toString();
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if (!self.readyCalled && data.indexOf('Swarm http proxy started') > -1) {
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self.readyCalled = true;
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self.send({result: constants.storage.initiated});
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}
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console.log('Swarm: ' + data);
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});
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this.child.on('exit', (code) => {
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if (code) {
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console.error('Swarm exited with error code ' + code);
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}
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});
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}
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kill() {
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if (this.child) {
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this.child.kill();
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}
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}
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}
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process.on('message', (msg) => {
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if (msg === 'exit') {
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return swarmProcess.kill();
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}
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if (msg.action === constants.storage.init) {
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swarmProcess = new SwarmProcess(msg.options);
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const error = swarmProcess.startSwarmDaemon();
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if (error) {
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swarmProcess.send({result: constants.storage.initiated, error});
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}
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}
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});
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