@iotize/device-com-wifi.cordova/fesm2015/iotize-device-com-wifi.cordova.js

IoTize Cordova plugin for Wifi devices

import { promiseTimeout } from '@iotize/common/promise';
import { BehaviorSubject, Subject, Observable, of } from 'rxjs';
import { createDebugger } from '@iotize/common/debug';
import { QueueComProtocol } from '@iotize/tap/protocol/core';
import { share } from 'rxjs/operators';

const debug = createDebugger(`@iotize/device-com-wifi.cordova`);

var __awaiter$2 = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
const TAG$1 = "WifiScannerCordova";
const DEFAULT_STOP_TIMEOUT$1 = 10 * 1000;
/**
 *
 */
class WifiScanner {
    constructor() {
        this._isScanning$ = new BehaviorSubject(false);
        this._devices$ = new Subject();
    }
    get scanning() {
        return this._isScanning$.asObservable();
    }
    get isScanning() {
        return this._isScanning$.value;
    }
    get results() {
        return this._devices$.asObservable();
    }
    isAvailable() {
        return WifiWizard2.isWifiEnabled();
    }
    /**
     * Launches the scan for BLE devices
     */
    start(options = {}) {
        return __awaiter$2(this, void 0, void 0, function* () {
            // if (!await this.isAvailable()){
            //     throw new Error(`WiFi is not available. Please enabled Wi-Fi to start scan`);
            // }
            if (this.isScanning) {
                debug(TAG$1, "Already scanning");
                return;
            }
            debug(TAG$1, "Start Scanning ...");
            this._isScanning$.next(true);
            this._scanPromise = WifiWizard2.scan()
                // .then(() => {
                //     const timeout = options.timeout || 5000;
                //     debug(TAG, `Waiting for ${timeout}ms...`);
                //     return WifiWizard2.timeout(timeout);
                // })
                // .then(() => {
                //     debug(TAG, 'Getting scan results...');
                //     return WifiWizard2.getScanResults();
                // })
                .then((scanResults) => {
                this._devices$.next(scanResults);
                debug(TAG$1, "Scanner stopped", scanResults);
                this._isScanning$.next(false);
            })
                .catch((err) => {
                this._isScanning$.next(false);
                debug(TAG$1, "Scan result error", err);
            });
        });
    }
    stop(options) {
        return __awaiter$2(this, void 0, void 0, function* () {
            debug(TAG$1, "Stop Scanning ...");
            return promiseTimeout((options === null || options === void 0 ? void 0 : options.timeout) || DEFAULT_STOP_TIMEOUT$1, this._cancelScan());
        });
    }
    _cancelScan() {
        return __awaiter$2(this, void 0, void 0, function* () {
            this._isScanning$.next(false);
            try {
                const scanResults = yield WifiWizard2.getScanResults();
                if (this._devices$) {
                    this._devices$.next(scanResults);
                }
            }
            catch (err) {
                // we can ignore if getScanResults has errors
            }
        });
    }
}

class WifiComProtocolError extends Error {
    constructor(code, msg, cause) {
        super(msg);
        this.code = code;
        this.cause = cause;
    }
    static wifiNotEnabled(network) {
        return new WifiComProtocolError(WifiComProtocolError.Code.WifiNotEnabled, `WiFi is not enabled. Cannot connect to network "${network.SSID}"`);
    }
    static connectFailedTimeout(network) {
        return new WifiComProtocolError(WifiComProtocolError.Code.ConnectFailedTimeout, `Connection to "${network.SSID}" timeout`);
    }
    static cannotConnectToNetwork(network) {
        return new WifiComProtocolError(WifiComProtocolError.Code.CannotConnectToNetwork, `Cannot connect Wi-Fi network "${network.SSID}"`);
    }
    static unknownError(err, network) {
        return new WifiComProtocolError(WifiComProtocolError.Code.UnknownError, err.message || `Unknown Wi-Fi protocol error`, err);
    }
}
(function (WifiComProtocolError) {
    let Code;
    (function (Code) {
        Code["CannotConnectToNetwork"] = "WifiComProtocolErrorCannotConnectToNetwork";
        Code["ConnectFailedTimeout"] = "WifiComProtocolErrorConnectFailedTimeout";
        Code["UnknownError"] = "WifiComProtocolErrorUnknown";
        Code["WifiNotEnabled"] = "WifiComProtocolErrorWifiNotEnabled";
    })(Code = WifiComProtocolError.Code || (WifiComProtocolError.Code = {}));
})(WifiComProtocolError || (WifiComProtocolError = {}));

var __awaiter$1 = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
class WifiComProtocol extends QueueComProtocol {
    constructor(wifiOptions, createSubProtocol) {
        super();
        this.wifiOptions = wifiOptions;
        this.createSubProtocol = createSubProtocol;
    }
    get socketProtocol() {
        if (!this._socketProtocol) {
            throw new Error(`Protocol is not connected yet`); // TODO proper error code
        }
        return this._socketProtocol;
    }
    _connect(options) {
        return new Observable((emitter) => {
            (() => __awaiter$1(this, void 0, void 0, function* () {
                try {
                    if (this.wifiOptions.network) {
                        let currentSSID = yield WifiWizard2.getConnectedSSID();
                        if (currentSSID !== this.wifiOptions.network.SSID) {
                            debug('currently connected to', currentSSID, 'expected ', this.wifiOptions.network.SSID, '=> try to connect to ', this.wifiOptions.network);
                            yield WifiWizard2.connect(this.wifiOptions.network.SSID, true, this.wifiOptions.network.password, this.wifiOptions.network.algorithm, this.wifiOptions.network.hidden);
                            currentSSID = yield WifiWizard2.getConnectedSSID();
                            if (currentSSID !== this.wifiOptions.network.SSID) {
                                emitter.error(WifiComProtocolError.cannotConnectToNetwork(this.wifiOptions.network));
                                return;
                            }
                            debug('now connected to SSID', currentSSID);
                        }
                    }
                    debug('Now creating socket protocol with options', this.wifiOptions);
                    this._socketProtocol = yield this.createSubProtocol(this.wifiOptions);
                    if (this.subProtocolConnectionStateSub)
                        this.subProtocolConnectionStateSub.unsubscribe();
                    this.subProtocolConnectionStateSub = this._socketProtocol
                        .onConnectionStateChange()
                        .subscribe((event) => {
                        this.setConnectionState(event.newState);
                    });
                    yield this._socketProtocol.connect().toPromise();
                    emitter.complete();
                }
                catch (err) {
                    if (this.wifiOptions.network) {
                        switch (err) {
                            case 'CONNECT_FAILED_TIMEOUT':
                                err = WifiComProtocolError.connectFailedTimeout(this.wifiOptions.network);
                                break;
                            case 'WIFI_NOT_ENABLED':
                                err = WifiComProtocolError.wifiNotEnabled(this.wifiOptions.network);
                                break;
                        }
                    }
                    if (typeof err === 'string') {
                        err = WifiComProtocolError.unknownError(new Error(err), this.wifiOptions.network);
                    }
                    if (this.subProtocolConnectionStateSub)
                        this.subProtocolConnectionStateSub.unsubscribe();
                    debug('_connect error', err);
                    emitter.error(err);
                }
            }))();
        }).pipe(share());
    }
    _disconnect(options) {
        if (this.subProtocolConnectionStateSub)
            this.subProtocolConnectionStateSub.unsubscribe();
        if (!this._socketProtocol) {
            return of(true);
        }
        return this._socketProtocol.disconnect();
    }
    write(data) {
        return this.socketProtocol.write(data);
    }
    read() {
        return this.socketProtocol.read();
    }
}

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
const TAG = 'ZeroConfScannerCordova';
const DEFAULT_STOP_TIMEOUT = 10 * 1000;
class ZeroConfScannerCordova {
    constructor(options = {
        domain: 'local.',
        type: '_tapm2m._tcp.',
    }) {
        this.options = options;
        // _hostname: string;
        this._services = [];
        this._services$ = new Subject();
        this._isRunning = new BehaviorSubject(false);
        if (typeof cordova !== undefined && cordova && cordova.plugins) {
            this.zeroconf = cordova.plugins.zeroconf;
        }
        else {
            throw new Error(`Cordova plugin zeroconf is missing`);
        }
    }
    get results() {
        return this._services$.asObservable();
    }
    get scanning() {
        return this._isRunning.asObservable();
    }
    get isScanning() {
        return this._isRunning.value;
    }
    set type(type) {
        this.options.type = type;
    }
    set domain(domain) {
        this.options.domain = domain;
    }
    /**
     * Start scan
     */
    start(option) {
        return __awaiter(this, void 0, void 0, function* () {
            debug(TAG, 'start');
            this._isRunning.next(true);
            try {
                if (this._closingProcess) {
                    yield this._closingProcess;
                }
                yield this.init();
                yield this._start();
            }
            catch (err) {
                this._isRunning.next(false);
                debug('_start error', err);
                throw err;
            }
        });
    }
    stop(options) {
        return __awaiter(this, void 0, void 0, function* () {
            if (this._closingProcess) {
                yield this._closingProcess;
                return;
            }
            try {
                this._isRunning.next(false);
                this._closingProcess = (() => __awaiter(this, void 0, void 0, function* () {
                    debug(TAG, 'close start!');
                    yield this.unwatch().catch((err) => { });
                    yield this._close(options).catch((err) => { });
                    debug(TAG, 'close done!');
                }))();
                yield this._closingProcess;
            }
            finally {
                this._closingProcess = undefined;
            }
        });
    }
    /**
     * Initialize/reinitialize scanner
     */
    init() {
        return __awaiter(this, void 0, void 0, function* () {
            debug(TAG, 'init zero conf...');
            yield new Promise((resolve, reject) => {
                this.zeroconf.reInit(resolve, reject);
            });
        });
    }
    _close(options) {
        return __awaiter(this, void 0, void 0, function* () {
            return yield promiseTimeout((options === null || options === void 0 ? void 0 : options.timeout) || DEFAULT_STOP_TIMEOUT, new Promise((resolve, reject) => {
                debug(TAG, 'stoping...', this.options);
                this.zeroconf.close(() => {
                    debug(TAG, 'stopped');
                    resolve();
                }, (err) => {
                    debug(TAG, 'stop error', err);
                    reject(err);
                });
            }));
        });
    }
    unwatch() {
        return new Promise((resolve, reject) => {
            debug(TAG, 'unwatching...');
            this.zeroconf.unwatch(this.options.type, this.options.domain, () => {
                debug(TAG, 'unwatch stop', this.options);
                resolve();
            }, (err) => {
                debug(TAG, 'unwatch error', this.options, err);
                reject(err);
            });
        });
    }
    getHostname() {
        return new Promise((resolve, reject) => {
            this.zeroconf.getHostname((hostname) => {
                resolve(hostname);
            }, reject);
        });
    }
    _start() {
        return __awaiter(this, void 0, void 0, function* () {
            // if (!this._hostname) {
            //     this._hostname = await this.getHostname();
            // }
            this._services = [];
            this._services$.next(this._services);
            // debug('Hostname: ', this._hostname);
            debug('Zero conf watch: ', this.options);
            this.zeroconf.watch(this.options.type, this.options.domain, (result) => {
                debug('Zero conf result', result);
                const action = result.action;
                const service = result.service;
                if (service) {
                    switch (action) {
                        case 'added':
                            break;
                        case 'resolved':
                            this._onServiceResolved(resolveHost(service));
                            break;
                        default:
                            this._removeService(resolveHost(service));
                    }
                }
            });
        });
    }
    _removeService(service) {
        const existsingIndex = this._findServiceIndex(service);
        if (existsingIndex >= 0) {
            this._services.splice(existsingIndex, 1);
        }
        this._services$.next(this._services);
    }
    _findServiceIndex(service) {
        return this._services.findIndex((s2) => JSON.stringify(s2) === JSON.stringify(service));
    }
    _onServiceResolved(service) {
        if (this._findServiceIndex(service) < 0) {
            this._services.push(service);
            const serviceListCopy = [...this._services];
            debug('Emit new results: ', serviceListCopy);
            this._services$.next(serviceListCopy);
        }
    }
}
function resolveHost(input) {
    const host = input.ipv4Addresses && input.ipv4Addresses.length > 0
        ? input.ipv4Addresses[0]
        : undefined;
    return Object.assign(Object.assign({}, input), { host });
}

/**
 * Generated bundle index. Do not edit.
 */

export { WifiComProtocol, WifiComProtocolError, WifiScanner, ZeroConfScannerCordova };
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