3 * Copyright (C) 2017 "IoT.bzh"
4 * Author Sebastien Douheret <sebastien@iot.bzh>
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
19 import { Injectable, Inject, isDevMode } from '@angular/core';
20 import { HttpClient, HttpHeaders, HttpErrorResponse } from '@angular/common/http';
21 import { DOCUMENT } from '@angular/common';
22 import { Observable } from 'rxjs/Observable';
23 import { Subject } from 'rxjs/Subject';
24 import { BehaviorSubject } from 'rxjs/BehaviorSubject';
25 import * as io from 'socket.io-client';
27 import { AlertService } from './alert.service';
28 import { ISdk } from './sdk.service';
29 import { ProjectType, ProjectTypeEnum } from './project.service';
31 // Import RxJs required methods
32 import 'rxjs/add/operator/map';
33 import 'rxjs/add/operator/catch';
34 import 'rxjs/add/observable/throw';
35 import 'rxjs/add/operator/mergeMap';
36 import 'rxjs/add/observable/of';
37 import 'rxjs/add/operator/retryWhen';
40 export interface IXDSConfigProject {
43 clientSyncThingID: string;
46 defaultSdkID?: string;
49 interface IXDSBuilderConfig {
55 export interface IXDSProjectConfig {
61 type: ProjectTypeEnum;
68 export interface IXDSVer {
75 export interface IXDSVersions {
80 export interface IXDServerCfg {
89 export interface IXDSConfig {
90 servers: IXDServerCfg[];
93 export interface ISdkMessage {
99 export interface ICmdOutput {
106 export interface ICmdExit {
113 export interface IServerStatus {
118 export interface IAgentStatus {
120 servers: IServerStatus[];
125 export class XDSAgentService {
127 public XdsConfig$: Observable<IXDSConfig>;
128 public Status$: Observable<IAgentStatus>;
129 public CmdOutput$ = <Subject<ICmdOutput>>new Subject();
130 public CmdExit$ = <Subject<ICmdExit>>new Subject();
132 protected projectAdd$ = new Subject<IXDSProjectConfig>();
133 protected projectDel$ = new Subject<IXDSProjectConfig>();
134 protected projectChange$ = new Subject<IXDSProjectConfig>();
136 private baseUrl: string;
137 private wsUrl: string;
138 private httpSessionID: string;
139 private _config = <IXDSConfig>{ servers: [] };
140 private _status = { connected: false, servers: [] };
142 private configSubject = <BehaviorSubject<IXDSConfig>>new BehaviorSubject(this._config);
143 private statusSubject = <BehaviorSubject<IAgentStatus>>new BehaviorSubject(this._status);
145 private socket: SocketIOClient.Socket;
147 constructor( @Inject(DOCUMENT) private document: Document,
148 private http: HttpClient, private alert: AlertService) {
150 this.XdsConfig$ = this.configSubject.asObservable();
151 this.Status$ = this.statusSubject.asObservable();
153 const originUrl = this.document.location.origin;
154 this.baseUrl = originUrl + '/api/v1';
156 // Retrieve Session ID / token
157 this.http.get(this.baseUrl + '/version', { observe: 'response' })
160 this.httpSessionID = resp.headers.get('xds-agent-sid');
162 const re = originUrl.match(/http[s]?:\/\/([^\/]*)[\/]?/);
163 if (re === null || re.length < 2) {
164 console.error('ERROR: cannot determine Websocket url');
166 this.wsUrl = 'ws://' + re[1];
167 this._handleIoSocket();
168 this._RegisterEvents();
172 /* tslint:disable:no-console */
173 console.error('ERROR while retrieving session id:', err);
177 private _NotifyXdsAgentState(sts: boolean) {
178 this._status.connected = sts;
179 this.statusSubject.next(Object.assign({}, this._status));
181 // Update XDS config including XDS Server list when connected
183 this.getConfig().subscribe(c => {
185 this._NotifyXdsServerState();
186 this.configSubject.next(Object.assign({ servers: [] }, this._config));
191 private _NotifyXdsServerState() {
192 this._status.servers = this._config.servers.map(svr => {
193 return { id: svr.id, connected: svr.connected };
195 this.statusSubject.next(Object.assign({}, this._status));
198 private _handleIoSocket() {
199 this.socket = io(this.wsUrl, { transports: ['websocket'] });
201 this.socket.on('connect_error', (res) => {
202 this._NotifyXdsAgentState(false);
203 console.error('XDS Agent WebSocket Connection error !');
206 this.socket.on('connect', (res) => {
207 this._NotifyXdsAgentState(true);
210 this.socket.on('disconnection', (res) => {
211 this._NotifyXdsAgentState(false);
212 this.alert.error('WS disconnection: ' + res);
215 this.socket.on('error', (err) => {
216 console.error('WS error:', err);
219 // XDS Events decoding
221 this.socket.on('make:output', data => {
222 this.CmdOutput$.next(Object.assign({}, <ICmdOutput>data));
225 this.socket.on('make:exit', data => {
226 this.CmdExit$.next(Object.assign({}, <ICmdExit>data));
229 this.socket.on('exec:output', data => {
230 this.CmdOutput$.next(Object.assign({}, <ICmdOutput>data));
233 this.socket.on('exec:exit', data => {
234 this.CmdExit$.next(Object.assign({}, <ICmdExit>data));
237 this.socket.on('event:server-config', ev => {
239 const cfg: IXDServerCfg = ev.data;
240 const idx = this._config.servers.findIndex(el => el.id === cfg.id);
242 this._config.servers[idx] = Object.assign({}, cfg);
243 this._NotifyXdsServerState();
245 this.configSubject.next(Object.assign({}, this._config));
249 this.socket.on('event:project-add', (ev) => {
250 if (ev && ev.data && ev.data.id) {
251 this.projectAdd$.next(Object.assign({}, ev.data));
252 if (ev.sessionID !== this.httpSessionID && ev.data.label) {
253 this.alert.info('Project "' + ev.data.label + '" has been added by another tool.');
255 } else if (isDevMode) {
256 /* tslint:disable:no-console */
257 console.log('Warning: received event:project-add with unknown data: ev=', ev);
261 this.socket.on('event:project-delete', (ev) => {
262 if (ev && ev.data && ev.data.id) {
263 this.projectDel$.next(Object.assign({}, ev.data));
264 if (ev.sessionID !== this.httpSessionID && ev.data.label) {
265 this.alert.info('Project "' + ev.data.label + '" has been deleted by another tool.');
267 } else if (isDevMode) {
268 console.log('Warning: received event:project-delete with unknown data: ev=', ev);
272 this.socket.on('event:project-state-change', ev => {
274 this.projectChange$.next(Object.assign({}, ev.data));
275 } else if (isDevMode) {
276 console.log('Warning: received event:project-state-change with unknown data: ev=', ev);
283 ** Events registration
285 onProjectAdd(): Observable<IXDSProjectConfig> {
286 return this.projectAdd$.asObservable();
289 onProjectDelete(): Observable<IXDSProjectConfig> {
290 return this.projectDel$.asObservable();
293 onProjectChange(): Observable<IXDSProjectConfig> {
294 return this.projectChange$.asObservable();
300 getVersion(): Observable<IXDSVersions> {
301 return this._get('/version');
307 getConfig(): Observable<IXDSConfig> {
308 return this._get('/config');
311 setConfig(cfg: IXDSConfig): Observable<IXDSConfig> {
312 return this._post('/config', cfg);
315 setServerRetry(serverID: string, retry: number): Observable<IXDSConfig> {
316 const svr = this._getServer(serverID);
318 return Observable.throw('Unknown server ID');
320 if (retry < 0 || Number.isNaN(retry) || retry == null) {
321 return Observable.throw('Not a valid number');
323 svr.connRetry = retry;
324 return this._setConfig();
327 setServerUrl(serverID: string, url: string, retry: number): Observable<IXDSConfig> {
328 const svr = this._getServer(serverID);
330 return Observable.throw('Unknown server ID');
332 svr.connected = false;
334 if (!Number.isNaN(retry) && retry > 0) {
335 svr.connRetry = retry;
337 this._NotifyXdsServerState();
338 return this._setConfig();
341 private _setConfig(): Observable<IXDSConfig> {
342 return this.setConfig(this._config)
344 this._config = newCfg;
345 this.configSubject.next(Object.assign({}, this._config));
353 getSdks(serverID: string): Observable<ISdk[]> {
354 const svr = this._getServer(serverID);
355 if (!svr || !svr.connected) {
356 return Observable.of([]);
359 return this._get(svr.partialUrl + '/sdks');
365 getProjects(): Observable<IXDSProjectConfig[]> {
366 return this._get('/projects');
369 addProject(cfg: IXDSProjectConfig): Observable<IXDSProjectConfig> {
370 return this._post('/projects', cfg);
373 deleteProject(id: string): Observable<IXDSProjectConfig> {
374 return this._delete('/projects/' + id);
377 updateProject(cfg: IXDSProjectConfig): Observable<IXDSProjectConfig> {
378 return this._put('/projects/' + cfg.id, cfg);
381 syncProject(id: string): Observable<string> {
382 return this._post('/projects/sync/' + id, {});
388 exec(prjID: string, dir: string, cmd: string, sdkid?: string, args?: string[], env?: string[]): Observable<any> {
389 return this._post('/exec',
404 private _RegisterEvents() {
405 // Register to all existing events
406 this._post('/events/register', { 'name': 'event:all' })
410 this.alert.error('ERROR while registering to all events: ' + error);
415 private _getServer(ID: string): IXDServerCfg {
416 const svr = this._config.servers.filter(item => item.id === ID);
417 if (svr.length < 1) {
423 private _attachAuthHeaders(options?: any) {
424 options = options || {};
425 const headers = options.headers || new HttpHeaders();
426 // headers.append('Authorization', 'Basic ' + btoa('username:password'));
427 headers.append('Accept', 'application/json');
428 headers.append('Content-Type', 'application/json');
429 // headers.append('Access-Control-Allow-Origin', '*');
431 options.headers = headers;
435 private _get(url: string): Observable<any> {
436 return this.http.get(this.baseUrl + url, this._attachAuthHeaders())
437 .catch(this._decodeError);
439 private _post(url: string, body: any): Observable<any> {
440 return this.http.post(this.baseUrl + url, JSON.stringify(body), this._attachAuthHeaders())
442 return this._decodeError(error);
445 private _put(url: string, body: any): Observable<any> {
446 return this.http.put(this.baseUrl + url, JSON.stringify(body), this._attachAuthHeaders())
448 return this._decodeError(error);
451 private _delete(url: string): Observable<any> {
452 return this.http.delete(this.baseUrl + url, this._attachAuthHeaders())
453 .catch(this._decodeError);
456 private _decodeError(err: any) {
458 if (err instanceof HttpErrorResponse) {
459 e = (err.error && err.error.error) ? err.error.error : err.message || 'Unknown error';
460 } else if (typeof err === 'object') {
461 if (err.statusText) {
463 } else if (err.error) {
464 e = String(err.error);
466 e = JSON.stringify(err);
469 e = err.message ? err.message : err.toString();
471 /* tslint:disable:no-console */
473 console.log('xdsagent.service - ERROR: ', e);
475 return Observable.throw(e);