Set maximum number of icecast clients

src/freedombone-app-icecast

     start_icecast
 }
 
+function icecast_set_maximum_streams {
+    data=$(tempfile 2>/dev/null)
+    trap "rm -f $data" 0 1 2 5 15
+    dialog --title $"Set the maximum clients" \
+           --backtitle $"Freedombone Control Panel" \
+           --inputbox $"Maximum number of clients" 8 40 "10" 2>$data
+    sel=$?
+    case $sel in
+        0)
+            max_clients=$(<$data)
+            if [ ${#max_clients} -gt 0 ]; then
+                if [[ "$max_clients" != *' '* ]]; then
+                    if [[ $max_clients =~ '^[0-9]+$' ]] ; then
+                        sed -i "s|<clients>.*|<clients>${max_clients}</clients>|g" /etc/icecast2/icecast.xml
+                        stop_icecast
+                        start_icecast
+                        dialog --title $"Set the maximum clients" \
+                               --msgbox $"\nMaximum Icecast clients was set to ${max_clients}" 8 50
+                    fi
+                fi
+            fi
+            ;;
+    esac
+    rm $data
+}
+
 function configure_interactive_icecast {
     while true
     do
         trap "rm -f $data" 0 1 2 5 15
         dialog --backtitle $"Freedombone Control Panel" \
                --title $"Icecast" \
-               --radiolist $"Choose an operation:" 18 70 11 \
+               --radiolist $"Choose an operation:" 19 70 12 \
                1 $"Import stream files from directory" off \
                2 $"Import stream files from USB drive" off \
                3 $"Manually edit playlist" off \
                8 $"Re-scan playlist" off \
                9 $"Restart stream" off \
                10 $"Set Stream Name/Description/Genre" off \
-               11 $"Exit" on 2> $data
+               11 $"Set maximum number of clients/streams" off \
+               12 $"Exit" on 2> $data
         sel=$?
         case $sel in
             1) break;;
                stop_icecast
                start_icecast;;
             10) icecast_set_stream_name;;
-            11) break;;
+            11) icecast_set_maximum_streams;;
+            12) break;;
         esac
     done
 }