Write Avahi daemon configuration with correct host name

app/plugins/system_controller/networkfs/smb.conf.tmpl

@@ -1,5 +1,6 @@
 [global]
 netbios name = {NAME}
+mdns name = mdns
 server string = Audiophile Music Player
 workgroup = WORKGROUP
 security = user

app/plugins/system_controller/volumiodiscovery/avahi-daemon.conf.tmpl

@@ -0,0 +1,69 @@
+# This file is part of avahi.
+#
+# avahi is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# avahi is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+# License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with avahi; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA.
+
+# See avahi-daemon.conf(5) for more information on this configuration
+# file!
+
+[server]
+host-name={NAME}
+#domain-name=local
+#browse-domains=0pointer.de, zeroconf.org
+use-ipv4=yes
+use-ipv6=yes
+#allow-interfaces=eth0
+#deny-interfaces=eth1
+#check-response-ttl=no
+#use-iff-running=no
+#enable-dbus=yes
+#disallow-other-stacks=no
+#allow-point-to-point=no
+#cache-entries-max=4096
+#clients-max=4096
+#objects-per-client-max=1024
+#entries-per-entry-group-max=32
+ratelimit-interval-usec=1000000
+ratelimit-burst=1000
+
+[wide-area]
+enable-wide-area=yes
+
+[publish]
+#disable-publishing=no
+#disable-user-service-publishing=no
+#add-service-cookie=no
+#publish-addresses=yes
+publish-hinfo=no
+publish-workstation=no
+#publish-domain=yes
+#publish-dns-servers=192.168.50.1, 192.168.50.2
+#publish-resolv-conf-dns-servers=yes
+#publish-aaaa-on-ipv4=yes
+#publish-a-on-ipv6=no
+
+[reflector]
+#enable-reflector=no
+#reflect-ipv=no
+#reflect-filters=_airplay._tcp.local,_raop._tcp.local
+
+[rlimits]
+#rlimit-as=
+#rlimit-core=0
+#rlimit-data=8388608
+#rlimit-fsize=0
+#rlimit-nofile=768
+#rlimit-stack=8388608
+#rlimit-nproc=3

app/plugins/system_controller/volumiodiscovery/index.js

@@ -31,10 +31,55 @@ function ControllerVolumioDiscovery (context) {
   self.context = context;
   self.logger = self.context.logger;
   self.commandRouter = self.context.coreCommand;
+  self.commandRouter.sharedVars.registerCallback('system.name', self.playerNameCallback.bind(self));
 
   self.callbacks = [];
 }
 
+ControllerVolumioDiscovery.prototype.writeAvahiDaemonConf = function () {
+  var self = this;
+
+  var systemController = self.commandRouter.pluginManager.getPlugin('system_controller', 'system');
+  var name = systemController.getConf('playerName');
+  var avahiDaemonConfFile = '/etc/avahi/avahi-daemon.conf';
+
+  exec('/usr/bin/sudo /bin/chmod 777 ' + avahiDaemonConfFile, {uid: 1000, gid: 1000},
+    function (error, stdout, stderr) {
+      if (error != null) {
+        self.logger.info('Error setting avahi-daemon.conf file perms: ' + error);
+      } else {
+        self.logger.info('avahi-daemon.conf Permissions set');
+        fs.readFile(__dirname + '/avahi-daemon.conf.tmpl', 'utf8', function (err, data) {
+          if (err) {
+            return self.logger.log('Error reading Avahi daemon configuration template file: ' + err);
+          }
+          var conf = data.replace(/{NAME}/g, name);
+
+          fs.writeFile(avahiDaemonConfFile, conf, 'utf8', function (err) {
+            if (err) {
+              self.logger.log('Error writing Avahi daemon configuration file: ' + err);
+            } else {
+              exec('/usr/bin/sudo /bin/systemctl reload avahi-daemon.service', {uid: 1000, gid: 1000}, function (error, stdout, stderr) {
+                if (error !== null) {
+                  self.logger.error('Cannot reload Avahi daemon');
+                } else {
+                  self.logger.info('Avahi daemon reloaded');
+                }
+              });
+            }
+          });
+        });
+      }
+    });
+}
+
+ControllerVolumioDiscovery.prototype.playerNameCallback = function () {
+  var self = this;
+
+  self.logger.info('System name has changed, updating Avahi daemon configuration');
+  setTimeout(() => self.writeAvahiDaemonConf(), 3000);
+}
+
 ControllerVolumioDiscovery.prototype.getConfigurationFiles = function () {
   var self = this;
 
@@ -130,6 +175,8 @@ ControllerVolumioDiscovery.prototype.onVolumioStart = function () {
   var configFile = self.commandRouter.pluginManager.getConfigurationFile(self.context, 'config.json');
   config.loadFile(configFile);
 
+  self.writeAvahiDaemonConf()
+
   self.startAdvertisement();
   self.startMDNSBrowse();