working together with correct mqtt and nginx config

package-lock.json

@@ -4030,6 +4030,37 @@
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.1.0.tgz",
       "integrity": "sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ=="
     },
+    "bl": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "requires": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      },
+      "dependencies": {
+        "buffer": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+          "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+          "requires": {
+            "base64-js": "^1.3.1",
+            "ieee754": "^1.1.13"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
     "blob": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
@@ -4623,6 +4654,22 @@
       "resolved": "https://registry.npmjs.org/commander/-/commander-4.1.1.tgz",
       "integrity": "sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA=="
     },
+    "commist": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/commist/-/commist-1.1.0.tgz",
+      "integrity": "sha512-rraC8NXWOEjhADbZe9QBNzLAN5Q3fsTPQtBV+fEVj6xKIgDgNiEVE6ZNfHpZOqfQ21YUzfVNUXLOEZquYvQPPg==",
+      "requires": {
+        "leven": "^2.1.0",
+        "minimist": "^1.1.0"
+      },
+      "dependencies": {
+        "leven": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/leven/-/leven-2.1.0.tgz",
+          "integrity": "sha1-wuep93IJTe6dNCAq6KzORoeHVYA="
+        }
+      }
+    },
     "common-tags": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/common-tags/-/common-tags-1.8.0.tgz",
@@ -7615,6 +7662,27 @@
       "integrity": "sha512-4/BMXcWrJErw7JpM87gF8MNEXcIMLzepYZjNRv/P9ctgupl2Ywa3u1PgHtNhSRq84bHH9Ndlkdy7bSi+bZ9I9A==",
       "dev": true
     },
+    "help-me": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/help-me/-/help-me-3.0.0.tgz",
+      "integrity": "sha512-hx73jClhyk910sidBB7ERlnhMlFsJJIBqSVMFDwPN8o2v9nmp5KgLq1Xz1Bf1fCMMZ6mPrX159iG0VLy/fPMtQ==",
+      "requires": {
+        "glob": "^7.1.6",
+        "readable-stream": "^3.6.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
     "hex-color-regex": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/hex-color-regex/-/hex-color-regex-1.1.0.tgz",
@@ -11010,6 +11078,76 @@
         }
       }
     },
+    "mqtt": {
+      "version": "4.2.8",
+      "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-4.2.8.tgz",
+      "integrity": "sha512-DJYjlXODVXtSDecN8jnNzi6ItX3+ufGsEs9OB3YV24HtkRrh7kpx8L5M1LuyF0KzaiGtWr2PzDcMGAY60KGOSA==",
+      "requires": {
+        "commist": "^1.0.0",
+        "concat-stream": "^2.0.0",
+        "debug": "^4.1.1",
+        "duplexify": "^4.1.1",
+        "help-me": "^3.0.0",
+        "inherits": "^2.0.3",
+        "minimist": "^1.2.5",
+        "mqtt-packet": "^6.8.0",
+        "pump": "^3.0.0",
+        "readable-stream": "^3.6.0",
+        "reinterval": "^1.1.0",
+        "split2": "^3.1.0",
+        "ws": "^7.5.0",
+        "xtend": "^4.0.2"
+      },
+      "dependencies": {
+        "concat-stream": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
+          "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
+          "requires": {
+            "buffer-from": "^1.0.0",
+            "inherits": "^2.0.3",
+            "readable-stream": "^3.0.2",
+            "typedarray": "^0.0.6"
+          }
+        },
+        "duplexify": {
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-4.1.2.tgz",
+          "integrity": "sha512-fz3OjcNCHmRP12MJoZMPglx8m4rrFP8rovnk4vT8Fs+aonZoCwGg10dSsQsfP/E62eZcPTMSMP6686fu9Qlqtw==",
+          "requires": {
+            "end-of-stream": "^1.4.1",
+            "inherits": "^2.0.3",
+            "readable-stream": "^3.1.1",
+            "stream-shift": "^1.0.0"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "ws": {
+          "version": "7.5.5",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.5.tgz",
+          "integrity": "sha512-BAkMFcAzl8as1G/hArkxOxq3G7pjUqQ3gzYbLL0/5zNkph70e+lCoxBGnm6AW1+/aiNeV4fnKqZ8m4GZewmH2w=="
+        }
+      }
+    },
+    "mqtt-packet": {
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/mqtt-packet/-/mqtt-packet-6.10.0.tgz",
+      "integrity": "sha512-ja8+mFKIHdB1Tpl6vac+sktqy3gA8t9Mduom1BA75cI+R9AHnZOiaBQwpGiWnaVJLDGRdNhQmFaAqd7tkKSMGA==",
+      "requires": {
+        "bl": "^4.0.2",
+        "debug": "^4.1.1",
+        "process-nextick-args": "^2.0.1"
+      }
+    },
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -13873,6 +14011,11 @@
         }
       }
     },
+    "reinterval": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/reinterval/-/reinterval-1.1.0.tgz",
+      "integrity": "sha1-M2Hs+jymwYKDOA3Qu5VG85D17Oc="
+    },
     "relateurl": {
       "version": "0.2.7",
       "resolved": "https://registry.npmjs.org/relateurl/-/relateurl-0.2.7.tgz",
@@ -15154,6 +15297,26 @@
         "extend-shallow": "^3.0.0"
       }
     },
+    "split2": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-3.2.2.tgz",
+      "integrity": "sha512-9NThjpgZnifTkJpzTZ7Eue85S49QwpNhZTq6GRJwObb6jnLFNGB7Qm73V5HewTROPyxD0C29xqmaI68bQtV+hg==",
+      "requires": {
+        "readable-stream": "^3.0.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",

package.json

@@ -19,6 +19,7 @@
     "flexlayout-react": "0.5.5",
     "jszip": "3.2.0",
     "jquery": "3.6.0",
+    "mqtt": "4.2.8",
     "react": "^17.0.1",
     "react-bootstrap": "1.4.0",
     "react-dom": "^17.0.1",

src/App.js

 import React from 'react';
-
 import { HashRouter, Switch, Route } from 'react-router-dom';
 
+import mqtt from 'mqtt';
+
 import EntryPage from './components/entry-page/entry-page';
 import ErrorDialog from './components/dialog/error-dialog.js';
 import ExperimentOverview from './components/experiment-overview/experiment-overview';
@@ -9,6 +10,25 @@ import SimulationView from './components/simulation-view/simulation-view';
 import NotificationDialog from './components/dialog/notification-dialog.js';
 
 class App extends React.Component {
+
+  componentDidMount() {
+    console.info(window.location);
+    const client = mqtt.connect('ws://' + window.location.hostname + ':9000/mqtt');
+    client.on('connect', () => {
+      console.info('MQTT connected');
+      console.info(client);
+    });
+    client.on('error', (error) => {
+      console.error(error);
+    });
+    client.on('message', (topic, payload, packet) => {
+      console.info('MQTT message');
+      console.info(topic);
+      console.info(payload);
+      console.info(packet);
+    });
+  }
+
   render() {
     return (
       <div>