Revamp services management

Put update requests in a job queue and replace the job queue when new update requests are presented within the scheduled wait time
This approach makes only the last update request running
New log entries are provided to follow execution of the jobs

emhttp/plugins/dynamix/scripts/reload_services

@@ -1,8 +1,18 @@
 #!/bin/bash
 SERVICES="rpc nfsd ntpd nginx sshd avahidaemon samba"
 
-if [[ -n $1 ]]; then
-  [[ ! -e $1 ]] && touch $1 || exit 0
+# delayed execution
+sleep ${1:-1}
+
+# run & log functions
+. /etc/rc.d/rc.runlog
+
+JOB=$(atq | grep -Pom1 '^\d+')
+if [[ -n $JOB ]]; then
+  atrm $JOB 2>/dev/null
+  log "execute queued job $JOB"
+else
+  exit 0
 fi
 
 for cmd in $SERVICES; do

emhttp/plugins/dynamix/scripts/update_services

@@ -1,10 +1,16 @@
 #!/bin/bash
-lock=/tmp/atlock.tmp
 
 # run & log functions
 . /etc/rc.d/rc.runlog
 
-log "delay = ${1:-1}s"
-rm -f $lock
-echo "sleep ${1:-1};/usr/local/emhttp/webGui/scripts/reload_services $lock"|at -M now &>/dev/null
+JOB=$(atq | grep -Pom1 '^\d+')
+if [[ -n $JOB ]]; then
+  atrm $JOB 2>/dev/null
+  log "remove queued job $JOB"
+else
+  log "no queued job present"
+fi
+
+echo "/usr/local/emhttp/webGui/scripts/reload_services ${1:-1}" | at -M now 2>/dev/null
+log "queue new job $(atq | grep -Pom1 '^\d+'), wait for ${1:-1}s"
 exit 0

emhttp/plugins/dynamix/scripts/wireless

@@ -27,7 +27,7 @@ if ($arg == 'yes') {
   exec("/etc/rc.d/rc.wireless start &>/dev/null &");
 } elseif ($arg == 'no') {
   exec("/etc/rc.d/rc.wireless stop");
-  exec("$docroot/webGui/scripts/update_services 5");
+  exec("$docroot/webGui/scripts/update_services");
 } elseif (($wifi['wlan0']['WIFI']??'') == 'yes') {
   foreach ($wifi as $network => $block) {
     if ($network == $port) continue;