etcher-sdk
Version:
62 lines • 2.44 kB
JavaScript
"use strict";
/*
* Copyright 2018 balena.io
*
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.UsbbootDeviceAdapter = void 0;
const lazy_1 = require("../../lazy");
const usbboot_1 = require("../../source-destination/usbboot");
const adapter_1 = require("./adapter");
class UsbbootDeviceAdapter extends adapter_1.Adapter {
constructor(usbBootExtraDir) {
super();
this.drives = new Map();
const rpiUsbboot = (0, lazy_1.getRaspberrypiUsbboot)();
if (rpiUsbboot !== undefined) {
this.scanner = new rpiUsbboot.UsbbootScanner(usbBootExtraDir);
this.scanner.on('attach', this.onAttach.bind(this));
this.scanner.on('detach', this.onDetach.bind(this));
this.scanner.on('ready', this.emit.bind(this, 'ready'));
this.scanner.on('error', this.emit.bind(this, 'error'));
}
else {
console.warn('node-raspberrypi-usbboot not available');
setImmediate(this.emit.bind(this, 'ready'));
}
}
start() {
var _a, _b;
(_b = (_a = this.scanner) === null || _a === void 0 ? void 0 : _a.start) === null || _b === void 0 ? void 0 : _b.call(_a);
}
stop() {
var _a, _b;
(_b = (_a = this.scanner) === null || _a === void 0 ? void 0 : _a.stop) === null || _b === void 0 ? void 0 : _b.call(_a);
}
onAttach(device) {
let drive = this.drives.get(device);
if (drive === undefined) {
drive = new usbboot_1.UsbbootDrive(device);
this.drives.set(device, drive);
}
this.emit('attach', drive);
}
onDetach(device) {
const drive = this.drives.get(device);
this.drives.delete(device);
this.emit('detach', drive);
}
}
exports.UsbbootDeviceAdapter = UsbbootDeviceAdapter;
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