reimplemented service routines

[grml-shlib.git] / sh-lib

diff --git a/sh-lib b/sh-lib
index 8b0af2b..e41be34 100644 (file)
--- a/sh-lib
+++ b/sh-lib
@@ -14,6 +14,9 @@ VERBOSE_TMP__=0
 # FIXME maybe PROG_PATH__ for better error reporting?
 PROG_NAME__=""    # initialised within init section
 
+# directory for init scripts
+INITD_DIR__="/etc/init.d/"
+
 # >= level and the function will print the message
 EPRINT__=1    # eprint (error print)
 EEPRINT__=2   # 2print (intern error print)
@@ -565,6 +568,58 @@ function netGetNameservers
 
 # }}}
 
+# SERVICES {{{
+function _touchService
+{
+  local action_="${1:-start}"
+  local service_="$2"
+  local error_function_=${3:-"eprint"}    # function to call on error
+  local message_="$4"     # user supplied error message
+
+  local i=""
+  local known_action_='false'
+  for i in "start" "stop" "restart" "reload" "force-reload"; do
+    if [[ $i == $action_ ]]; then
+      known_action_='true'
+      break
+    fi
+  done
+  $known_action_ || warn "_touchService(): unknown action \"$action_\""
+
+
+  local service_path_=""
+  service_path_="${INITD_DIR__}/$service_"
+  if [ ! -e "$service_path_" ]; then
+    warn "_touchService(): service does not exist: \"$service_\""
+    return 1
+  fi
+  if [ ! -x "$service_path_" ]; then
+    warn "_touchService(): service is not executable: \"$service_\""
+  fi
+  
+  local ret_=""
+  "$service_path_" "$action_"
+  ret_=$?
+  if [[ $ret_ != 0 ]]; then
+    if [ -z "$message_" ]; then
+      "$error_function_" "Problems ${action_}ing service \"$service_\"" $ret_
+    else
+      "$error_function_" "$message_" $ret_
+    fi
+    return 1
+  fi
+  dprint "_touchService(): successfully started service \"$service_\""
+  return 0
+}
+
+function _createServiceFunctions
+{
+  for i in "start" "stop" "restart" "reload" "force-reload"; do
+    eval "function ${i}Service { _touchService ${i} \"\$1\" \"\$2\" \"\$3\"; }"
+  done
+}
+_createServiceFunctions
+# }}}
 
 # prints the next free /dev/loop* to stdout
 function findNextFreeLoop