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    A New Chapter for MagicMirror: The Community Takes the Lead
    Read the statement by Michael Teeuw here.

    MMM-NetworkScanner-loading...indefinitely

    Scheduled Pinned Locked Moved Solved Troubleshooting
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    • J Offline
      jthirasilpa
      last edited by

      Thanks Sam - I made that modification in node_helper.js in the module’s directory with my password.

      I get the following errors from the logs:

      0|mm  | [21:06:46.210] [ERROR]  WARNING! Could not load config file. Starting with default configuration. Error found: TypeError: sudo.setPassword is not a function

  0|mm  | [21:06:46.216] [ERROR]
0|mm  | TypeError: sudo.setPassword is not a function
0|mm  |     at Object.<anonymous> (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:13:6)
0|mm  |     at Module._compile (internal/modules/cjs/loader.js:778:30)
0|mm  |     at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
0|mm  |     at Module.load (internal/modules/cjs/loader.js:653:32)
0|mm  |     at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
0|mm  |     at Function.Module._load (internal/modules/cjs/loader.js:585:3)
0|mm  |     at Module.require (internal/modules/cjs/loader.js:692:17)
0|mm  |     at require (internal/modules/cjs/helpers.js:25:18)
0|mm  |     at loadModule (/home/jojo/MagicMirror/js/app.js:132:17)
0|mm  |     at loadNextModule (/home/jojo/MagicMirror/js/app.js:166:5)
      S 1 Reply Last reply Reply Quote 0
      • J Offline
        jthirasilpa
        last edited by

        Maybe some progress?

        So I amended the insertion as follows:

        sudo.setPassword = ('your-password');      // add this line, edit to use your password

        Config loads, but NetworkScanner module still shows “loading…”

        Error logs as follows:

        0|mm       |     at Socket.emit (events.js:198:13)
0|mm       |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm       |     at process._tickCallback (internal/process/next_tick.js:61:11)
0|mm       | [21:26:17.270] [ERROR]  (node:1940) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 error listeners added. Use emitter.setMaxListeners() to increase limit
0|mm       | [21:26:17.271] [ERROR]  (node:1940) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 end listeners added. Use emitter.setMaxListeners() to increase limit
0|mm       | [21:26:17.272] [ERROR]  (node:1940) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 drain listeners added. Use emitter.setMaxListeners() to increase limit
0|mm       | [21:26:17.272] [ERROR]  (node:1940) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added. Use emitter.setMaxListeners() to increase limit
0|mm       | [21:26:17.272] [ERROR]  (node:1940) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 data listeners added. Use emitter.setMaxListeners() to increase limit
0|mm       | [21:26:26.569] [ERROR]  TypeError: Cannot read property 'network' of undefined
0|mm       |     at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:36)
0|mm       |     at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:30:18)
0|mm       |     at Socket.<anonymous> (/home/jojo/MagicMirror/js/node_helper.js:113:11)
0|mm       |     at Socket.emit (events.js:198:13)
0|mm       |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm       |     at process._tickCallback (internal/process/next_tick.js:61:11)

/home/jojo/.pm2/logs/mm-out.log last 15 lines:
0|mm       | [21:26:18.772] [LOG]    Connecting socket for: MMM-UKNationalRail
0|mm       | [21:26:18.772] [LOG]    MMM-UKNationalRail helper started ...
0|mm       | [21:26:18.773] [LOG]    Connecting socket for: MMM-NetworkScanner
0|mm       | [21:26:18.773] [LOG]    Starting module: MMM-NetworkScanner
0|mm       | [21:26:18.773] [LOG]    Sockets connected & modules started ...
0|mm       | [21:26:18.774] [LOG]
0|mm       | Ready to go! Please point your browser to: http://0.0.0.0:8080
0|mm       | [21:26:26.567] [LOG]    MMM-NetworkScanner received SCAN_NETWORK
0|mm       | [21:26:26.568] [LOG]    MMM-NetworkScanner is performing arp-scan
0|mm       | [21:26:26.569] [LOG]    Whoops! There was an uncaught exception...
0|mm       | [21:26:26.575] [LOG]    MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | [21:26:26.576] [LOG]    If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | [21:26:29.340] [LOG]    Create new news fetcher for url: http://www.nytimes.com/services/xml/rss/nyt/HomePage.xml - Interval: 300000
0|mm       | [21:26:29.375] [LOG]    Create new news fetcher for url: http://rss.cnn.com/rss/edition.rss - Interval: 300000
0|mm       | [21:26:29.441] [LOG]    MMM-NetworkScanner received CONFIG
        1 Reply Last reply Reply Quote 0
        • S Offline
          sdetweil @jthirasilpa
          last edited by

          @jthirasilpa ok, had to read the sudo module code to find out where it was… cause when I searched I ended up in the wrong place…

          remove the one line I had you add

          do this

          // add these 4 lines
var options = {              
    cachePassword: true,
    prompt: 'Password, ???? ';     // put your password where ???? are (notice the quotes around)
}
        var arpHosts = this.config.network || '-l';
        var arp = sudo(['arp-scan', '-q', arpHosts], options);   // change this line, to add ,options at the end

          Sam

          How to add modules

          learning how to use browser developers window for css changes

          1 Reply Last reply Reply Quote 0
          • J Offline
            jthirasilpa
            last edited by

            @sdetweil said in MMM-NetworkScanner-loading...indefinitely:

            var options = {
            cachePassword: true,
            prompt: 'Password, ??? '; // put your password where ??? are (notice the quotes around)
            }

            Thanks - tried that. Got the following log:

            0|mm  | WARNING! Could not validate config file. Starting with default configuration. Please correct syntax errors at or above this line: /home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:43
0|mm  |     prompt: 'Password, mypassword';     // put your password where ???? are (notice the quotes around)
0|mm  |                               ^
0|mm  | SyntaxError: Unexpected token ;
0|mm  |     at Module._compile (internal/modules/cjs/loader.js:723:23)
0|mm  |     at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
0|mm  |     at Module.load (internal/modules/cjs/loader.js:653:32)
0|mm  |     at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
0|mm  |     at Function.Module._load (internal/modules/cjs/loader.js:585:3)
0|mm  |     at Module.require (internal/modules/cjs/loader.js:692:17)
0|mm  |     at require (internal/modules/cjs/helpers.js:25:18)
0|mm  |     at loadModule (/home/jojo/MagicMirror/js/app.js:132:17)
0|mm  |     at loadNextModule (/home/jojo/MagicMirror/js/app.js:166:5)
0|mm  |     at /home/jojo/MagicMirror/js/app.js:168:6
            S 1 Reply Last reply Reply Quote 0
            • S Offline
              sdetweil @jthirasilpa
              last edited by sdetweil

              @jthirasilpa said in MMM-NetworkScanner-loading...indefinitely:

              SyntaxError: Unexpected token ;

              sorry, take off the ‘;’ after the actual password

              Sam

              How to add modules

              learning how to use browser developers window for css changes

              1 Reply Last reply Reply Quote 0
              • J Offline
                jthirasilpa
                last edited by

                Thanks - see error log below

                [22:23:34.736] [ERROR] ReferenceError: options is not defined
                at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:54)
                at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:29:18)
                at Socket. (/home/jojo/MagicMirror/js/node_helper.js:113:11)
                at Socket.emit (events.js:198:13)
                at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
                at process._tickCallback (internal/process/next_tick.js:61:11)
                [22:24:03.590] [ERROR] TypeError: Cannot read property ‘network’ of undefined
                at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:45:36)
                at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:29:18)
                at Socket. (/home/jojo/MagicMirror/js/node_helper.js:113:11)
                at Socket.emit (events.js:198:13)
                at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
                at process._tickCallback (internal/process/next_tick.js:61:11)
                [22:24:05.534] [ERROR] TypeError: Cannot read property ‘network’ of undefined
                at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:45:36)
                at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:29:18)
                at Socket. (/home/jojo/MagicMirror/js/node_helper.js:113:11)
                at Socket.emit (events.js:198:13)
                at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
                at process._tickCallback (internal/process/next_tick.js:61:11)

                S 1 Reply Last reply Reply Quote 0
                • S Offline
                  sdetweil @jthirasilpa
                  last edited by

                  @jthirasilpa said in MMM-NetworkScanner-loading...indefinitely:

                  [22:23:34.736] [ERROR] ReferenceError: options is not defined

                  but you added the 4 lines, right?

                  var options = {              
    cachePassword: true,
    prompt: 'Password, ???? '     // put your password where ???? are (notice the quotes around)
}

                  and then the updated line

                   var arp = sudo(['arp-scan', '-q', arpHosts], options);

                  Sam

                  How to add modules

                  learning how to use browser developers window for css changes

                  1 Reply Last reply Reply Quote 0
                  • karsten13K Offline
                    karsten13
                    last edited by

                    what is the result of sudo arp-scan -l running on your machine?

                    J 1 Reply Last reply Reply Quote 0
                    • S Offline
                      sdetweil @jthirasilpa
                      last edited by sdetweil

                      @jthirasilpa just do this… get my version of the module

                      cd ~/MagicMirror/modules
mv MMM-NetworkScanner MMM-NetworkScanner.original
git clone https://github.com/sdetweil/MMM-NetworkScanner
cd MMM-NetworkScanner
npm install
cd ~/MagicMirror/config
nano config.js

                      add the following line to the config section of the network scanner module

                      Password: '??????',    // where '?????' is you password in quotes, for example 'raspberry', note the trailing comma

                      ctrl-o at save the config.js
                      ctrl-x to exit nano

                      Restart your MM

                      Sam

                      How to add modules

                      learning how to use browser developers window for css changes

                      J 1 Reply Last reply Reply Quote 1
                      • J Offline
                        jthirasilpa @sdetweil
                        last edited by

                        @sdetweil
                        Thanks Sam - tried your version of the module and modified the config.js accordingly. Still not quite working. Error logs as follows:

                        0|mm       |     at process._tickCallback (internal/process/next_tick.js:61:11)
0|mm       | [09:41:25.508] [ERROR]  ReferenceError: options is not defined
0|mm       |     at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:54)
0|mm       |     at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:29:18)
0|mm       |     at Socket.<anonymous> (/home/jojo/MagicMirror/js/node_helper.js:113:11)
0|mm       |     at Socket.emit (events.js:198:13)
0|mm       |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm       |     at process._tickCallback (internal/process/next_tick.js:61:11)
0|mm       | [09:41:55.508] [ERROR]  ReferenceError: options is not defined
0|mm       |     at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:54)
0|mm       |     at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:29:18)
0|mm       |     at Socket.<anonymous> (/home/jojo/MagicMirror/js/node_helper.js:113:11)
0|mm       |     at Socket.emit (events.js:198:13)
0|mm       |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm       |     at process._tickCallback (internal/process/next_tick.js:61:11)
                        S 1 Reply Last reply Reply Quote 0
                        • S Offline
                          sdetweil @jthirasilpa
                          last edited by

                          @jthirasilpa hm… can u show me show me these lines from node_helper.js

                          scanNetworkMAC: function() {
        this.log(this.name + " is performing arp-scan");

        var self = this;
        // Target hosts/network supplied in config or entire localnet
        var arpHosts = this.config.network || '-l';
				var options = {              
						cachePassword: true,
						prompt: 'Password,' + this.config.Password     // put your password where ???? are (notice the quotes around)
				}
        var arp = sudo(['arp-scan', '-q', arpHosts], options);

                          I tested here with three different addresses… some coming online later… worked, no errors…

                          Sam

                          How to add modules

                          learning how to use browser developers window for css changes

                          J 1 Reply Last reply Reply Quote 0
                          • J Offline
                            jthirasilpa @karsten13
                            last edited by

                            @karsten13
                            Hi - it seems to function correctly - it returns the IP and MAC addresses of the various clients on the network.

                            1 Reply Last reply Reply Quote 0
                            • J Offline
                              jthirasilpa @sdetweil
                              last edited by

                              @sdetweil
                              I tried it both ways - but should the ‘password’ field in the helper file be filled in?

                              S 1 Reply Last reply Reply Quote 0
                              • S Offline
                                sdetweil @jthirasilpa
                                last edited by sdetweil

                                @jthirasilpa no… use the config.js

                                the reference to the options variable should be from line 47, not 42…

                                so, something is wrong with the code u have in node_helper.js

                                did u follow my steps above exactly?

                                Sam

                                How to add modules

                                learning how to use browser developers window for css changes

                                1 Reply Last reply Reply Quote 0
                                • J Offline
                                  jthirasilpa
                                  last edited by

                                  Sorry I’m not being clear. I know that I need to modify the config.js (and have done so), but in line 45 of node_helper.js (as shown below) there is:

                                   prompt: 'Password,' + this.config.Password     // put your password where ???? are (notice the quotes around)

                                  Should I leave this as is or fill in the password? That is where I have tried it both ways.

                                  Code you asked for from node_helper.js:

                                      scanNetworkMAC: function() {
 38         this.log(this.name + " is performing arp-scan");
 39
 40         var self = this;
 41         // Target hosts/network supplied in config or entire localnet
 42         var arpHosts = this.config.network || '-l';
 43                                 var options = {
 44                                                 cachePassword: true,
 45                                                 prompt: 'Password,' + this.config.Password     // put your password where ???? are (notice the quotes around)
 46                                 }
 47         var arp = sudo(['arp-scan', '-q', arpHosts], options);
                                  S 1 Reply Last reply Reply Quote 0
                                  • S Offline
                                    sdetweil @jthirasilpa
                                    last edited by

                                    @jthirasilpa oh, i see I should have removed the comment… you do not need to change any code…

                                    but the error does not match the code u are running now…

                                    please do

                                    pm2 stop 0
pm2 flush
pm2 start 0
pm2 logs

                                    that error must have been from yesterday

                                    Sam

                                    How to add modules

                                    learning how to use browser developers window for css changes

                                    1 Reply Last reply Reply Quote 0
                                    • J Offline
                                      jthirasilpa
                                      last edited by

                                      Hmm

                                      So with the password entered only in the config file, the error output still references line 42

                                       var arpHosts = this.config.network || '-l';

                                      Error output:

                                      0|mm       | [19:37:36.956] [ERROR]  TypeError: Cannot read property 'network' of undefined
0|mm       |     at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:36)
0|mm       |     at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:30:18)
0|mm       |     at Socket.<anonymous> (/home/jojo/MagicMirror/js/node_helper.js:113:11)
0|mm       |     at Socket.emit (events.js:198:13)
0|mm       |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm       |     at process._tickCallback (internal/process/next_tick.js:61:11)

0|mm  | [19:37:50.982] [LOG]    MMM-NetworkScanner received SCAN_NETWORK
0|mm  | [19:37:50.983] [LOG]    MMM-NetworkScanner is performing arp-scan
0|mm  | [19:37:50.984] [LOG]    Whoops! There was an uncaught exception...
0|mm  | [19:37:50.984] [ERROR]
0|mm  | TypeError: Cannot read property 'network' of undefined
0|mm  |     at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:36)
0|mm  |     at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:30:18)
0|mm  |     at Socket.<anonymous> (/home/jojo/MagicMirror/js/node_helper.js:113:11)
0|mm  |     at Socket.emit (events.js:198:13)
0|mm  |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm  |     at process._tickCallback (internal/process/next_tick.js:61:11)
0|mm  | [19:37:50.985] [LOG]
0|mm  | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm  | [19:37:50.986] [LOG]    If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm  | [19:38:21.046] [LOG]
0|mm  | MMM-NetworkScanner received SCAN_NETWORK
0|mm  | [19:38:21.047] [LOG]
0|mm  | MMM-NetworkScanner is performing arp-scan
0|mm  | [19:38:21.048] [LOG]    Whoops! There was an uncaught exception...
0|mm  | [19:38:21.048] [ERROR]
0|mm  | TypeError: Cannot read property 'network' of undefined
0|mm  |     at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:36)
0|mm  |     at Class.socketNotificationReceived (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:30:18)
0|mm  |     at Socket.<anonymous> (/home/jojo/MagicMirror/js/node_helper.js:113:11)
0|mm  |     at Socket.emit (events.js:198:13)
0|mm  |     at /home/jojo/MagicMirror/node_modules/socket.io/lib/socket.js:528:12
0|mm  |     at process._tickCallback (internal/process/next_tick.js:61:11)
                                      S 1 Reply Last reply Reply Quote 0
                                      • S Offline
                                        sdetweil @jthirasilpa
                                        last edited by sdetweil

                                        @jthirasilpa said in MMM-NetworkScanner-loading...indefinitely:

                                        0|mm | [19:37:36.956] [ERROR] TypeError: Cannot read property ‘network’ of undefined
                                        0|mm | at Class.scanNetworkMAC (/home/jojo/MagicMirror/modules/MMM-NetworkScanner/node_helper.js:42:36)

                                        Ok, but not ‘options’…

                                        now, to check, this system is case sensitive… so in config.js it MUST look like this, right?

                                                    keepAlive: 300,
            updateInterval: 5,
	    Password: 'pi'                        // added password (note capital P)
        }

                                        using your password of course

                                        Sam

                                        How to add modules

                                        learning how to use browser developers window for css changes

                                        1 Reply Last reply Reply Quote 0
                                        • J Offline
                                          jthirasilpa
                                          last edited by

                                          That is how the config looks.

                                          Still getting the node_helper line 42 error. Will park this for now. Thank you for spending so much time on this Sam - much appreciated. Will come back to this later in the week.

                                          S 1 Reply Last reply Reply Quote 0
                                          • S Offline
                                            sdetweil @jthirasilpa
                                            last edited by

                                            @jthirasilpa update the current code

                                            cd ~MagicMirror/modules/MMM-NetworkScanner
git pull

                                            then you can shutdown and restart the MM app

                                            there was a tiny timing gap where the config info is not yet set, when the helper is asked to scan the network…

                                            let me know

                                            Sam

                                            How to add modules

                                            learning how to use browser developers window for css changes

                                            J 1 Reply Last reply Reply Quote 0

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