Implementacion MQTT

cea657b3 · Fátima Sanz Baena · b8ff3158 · cea657b3 · cea657b3 · cea657b3
Commit cea657b3 authored Apr 30, 2024 by Fátima Sanz Baena
Showing with 288 additions and 40 deletions
package-lock.json
package.json
src/app/app.component.ts
src/app/app.module.ts
--- a/package-lock.json
+++ b/package-lock.json
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      "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
-      "dev": true,
      "engines": {
        "node": ">=0.10.0"
      }
@@ -10393,8 +10553,7 @@
    "node_modules/process-nextick-args": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
-      "dev": true
    },
    "node_modules/promise-inflight": {
      "version": "1.0.1",
@@ -10444,6 +10603,15 @@
      "dev": true,
      "optional": true
    },
+    "node_modules/pump": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+      "dependencies": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
    "node_modules/punycode": {
      "version": "2.3.1",
      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -10608,7 +10776,6 @@
      "version": "3.6.2",
      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
-      "dev": true,
      "dependencies": {
        "inherits": "^2.0.3",
        "string_decoder": "^1.1.1",
@@ -10725,6 +10892,11 @@
        "jsesc": "bin/jsesc"
      }
    },
+    "node_modules/reinterval": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/reinterval/-/reinterval-1.1.0.tgz",
+      "integrity": "sha512-QIRet3SYrGp0HUHO88jVskiG6seqUGC5iAG7AwI/BV4ypGcuqk9Du6YQBUOUqm9c8pw1eyLoIaONifRua1lsEQ=="
+    },
    "node_modules/require-directory": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -10849,8 +11021,7 @@
    "node_modules/rfdc": {
      "version": "1.3.1",
      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.1.tgz",
-      "integrity": "sha512-r5a3l5HzYlIC68TpmYKlxWjmOP6wiPJ1vWv2HeLhNsRZMrCkxeqxiHlQ21oXmQ4F3SiryXBHhAD7JZqvOJjFmg==",
+      "integrity": "sha512-r5a3l5HzYlIC68TpmYKlxWjmOP6wiPJ1vWv2HeLhNsRZMrCkxeqxiHlQ21oXmQ4F3SiryXBHhAD7JZqvOJjFmg=="
-      "dev": true
    },
    "node_modules/rimraf": {
      "version": "3.0.2",
@@ -10946,7 +11117,6 @@
      "version": "5.2.1",
      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
-      "dev": true,
      "funding": [
        {
          "type": "github",
@@ -11606,6 +11776,14 @@
        "wbuf": "^1.7.3"
      }
    },
+    "node_modules/split2": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-3.2.2.tgz",
+      "integrity": "sha512-9NThjpgZnifTkJpzTZ7Eue85S49QwpNhZTq6GRJwObb6jnLFNGB7Qm73V5HewTROPyxD0C29xqmaI68bQtV+hg==",
+      "dependencies": {
+        "readable-stream": "^3.0.0"
+      }
+    },
    "node_modules/sprintf-js": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -11633,6 +11811,11 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/stream-shift": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.3.tgz",
+      "integrity": "sha512-76ORR0DO1o1hlKwTbi/DM3EXWGf3ZJYO8cXX5RJwnul2DEg2oyoZyjLNoQM8WsvZiFKCRfC1O0J7iCvie3RZmQ=="
+    },
    "node_modules/streamroller": {
      "version": "3.1.5",
      "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-3.1.5.tgz",
@@ -11651,7 +11834,6 @@
      "version": "1.3.0",
      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
-      "dev": true,
      "dependencies": {
        "safe-buffer": "~5.2.0"
      }
@@ -12051,6 +12233,11 @@
      "integrity": "sha512-KNNZtayBCtmnNmbo5mG47p1XsCyrx6iVqomjcZnec/1Y5GGARaxPs6r49RnSPeUP3YjNYiU9sQHAtY4BBvnZwg==",
      "dev": true
    },
+    "node_modules/typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
+    },
    "node_modules/typescript": {
      "version": "5.4.5",
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
@@ -12226,8 +12413,7 @@
    "node_modules/util-deprecate": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
-      "dev": true
    },
    "node_modules/utils-merge": {
      "version": "1.0.1",
@@ -13198,8 +13384,7 @@
    "node_modules/wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
-      "dev": true
    },
    "node_modules/ws": {
      "version": "8.11.0",
@@ -13222,6 +13407,14 @@
        }
      }
    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "engines": {
+        "node": ">=0.4"
+      }
+    },
    "node_modules/y18n": {
      "version": "5.0.8",
      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",

--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
    "@angular/platform-browser": "^17.3.0",
    "@angular/platform-browser-dynamic": "^17.3.0",
    "@angular/router": "^17.3.0",
+    "ngx-mqtt": "^17.0.0",
    "rxjs": "~7.8.0",
    "tslib": "^2.3.0",
    "zone.js": "~0.14.3"

--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
-import { Component } from '@angular/core';
+import { Component, OnInit, OnDestroy } from '@angular/core';
 import { MatDialog } from '@angular/material/dialog';
+import { MqttService, IMqttMessage } from 'ngx-mqtt';
+import { Subscription, interval } from 'rxjs';
+import { startWith, switchMap } from 'rxjs/operators';
 import { CrearPedidoDialogComponent } from './crear-pedido-dialog/crear-pedido-dialog.component';
 @Component({
@@ -7,9 +10,51 @@ import { CrearPedidoDialogComponent } from './crear-pedido-dialog/crear-pedido-d
  templateUrl: './app.component.html',
  styleUrl: './app.component.css'
 })
-export class AppComponent {
-  constructor(public dialog: MatDialog) {}
+export class AppComponent implements OnInit, OnDestroy {
+  private subscription: Subscription = new Subscription(); //Variable para suscribirse a un topic
+  private publishInterval: Subscription = new Subscription(); //Variable para publicar datos cada 10 segundos
+  message: string = ''; //Variable para mostrar el mensaje MQTT
+  constructor(public dialog: MatDialog, private mqttService: MqttService) {}
+  ngOnInit() {
+    this.subscribeToTopic(); //Nos suscribimos al inicializar la aplicación
+    this.startPublishing(); //Publicamos datos cada 10 segundos
+  }
+  ngOnDestroy() {
+    this.subscription?.unsubscribe(); //Nos desconectamos del topic
+    this.publishInterval?.unsubscribe(); //Nos desconectamos de publicar datos
+  }
+/**
+ * Suscribe al topic 'pruebaMQTT' para recibir mensajes.
+ * Al recibir un mensaje, el contenido se convierte a cadena y se almacena en la propiedad `message`,
+ * y además se muestra en la consola.
+ */
+subscribeToTopic() {
+  this.subscription = this.mqttService.observe('pruebaMQTT').subscribe((data: IMqttMessage) => {
+    this.message = data.payload.toString(); // Convierte el contenido del mensaje a cadena.
+    console.log('Mensaje MQTT recibido:', this.message); // Muestra el mensaje recibido en la consola.
+  });
+}
+/**
+* Inicia la publicación periódica de mensajes en el topic 'pruebaMQTT'.
+* Se configura un intervalo que publica un mensaje cada 10 segundos, el cual incluye
+* la palabra 'Prueba' seguida de la fecha y hora actual.
+*/
+startPublishing() {
+  this.publishInterval = interval(10000).pipe(
+    startWith(0), // Inicia la secuencia inmediatamente al suscribirse.
+    switchMap(() => { // Cambia a un nuevo observable cada 10 segundos.
+      const message = `Prueba ${new Date().toLocaleString()}`; // Mensaje a publicar.
+      return this.mqttService.publish('pruebaMQTT', message); // Publica el mensaje en el tópico 'pruebaMQTT'.
+    })
+  ).subscribe();
+}
  abrirPopupCrearPedido(): void {
    const dialogRef = this.dialog.open(CrearPedidoDialogComponent, {
      width: '1100px',

--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -9,6 +9,15 @@ import { ColaPedidosComponent } from './cola-pedidos/cola-pedidos.component';
 import { provideAnimationsAsync } from '@angular/platform-browser/animations/async';
 import { CrearPedidoDialogComponent } from './crear-pedido-dialog/crear-pedido-dialog.component';
 import { MatDialogModule } from '@angular/material/dialog';
+import { MqttModule, IMqttServiceOptions } from 'ngx-mqtt';
+// Configuración de MQTT
+export const MQTT_SERVICE_OPTIONS: IMqttServiceOptions = {
+  hostname: 'broker.hivemq.com', //Nombre de host o ip
+  port: 8884,  // Puerto de conexión
+  path: '/mqtt',
+  protocol: 'wss'  // Usar 'wss' para conexiones seguras
+};
 @NgModule({
  declarations: [
@@ -21,8 +30,8 @@ import { MatDialogModule } from '@angular/material/dialog';
  imports: [
    BrowserModule,
    AppRoutingModule,
-    MatDialogModule
+    MatDialogModule,
+    MqttModule.forRoot(MQTT_SERVICE_OPTIONS)
  ],
  providers: [
    provideAnimationsAsync()