bin-helpers.rb in nephos-server-0.6.1

- old
+ new

@@ -1,6 +1,7 @@
 module Nephos
+
   module Bin
 
     # @param dir [String]
     #
     # The method check in the parameter directory:
@@ -16,9 +17,47 @@
       return false if not File.exists? gfl
       return false if not File.read(gfl).split.index("nephos-server")
       return true
     end
 
+    module Daemon
+
+      def self.started?
+        get_pid != nil
+      end
+
+      def self.kill!
+        d = get_pid
+        return false unless d
+        begin
+          Process::kill(10, d)
+        rescue => err
+          raise "Cannot kill #{d} !"
+        ensure
+          File.delete(get_pid_file)
+        end
+        return true
+      end
+
+      def self.detach!
+        Process::daemon(true, false)
+        File.write(get_pid_file, Process::pid.to_s)
+      end
+
+      def self.get_pid_file
+        return ".pid"
+      end
+
+      def self.get_pid
+        return nil if not File.exists?(get_pid_file)
+        v = File.read(get_pid_file)
+        v = Integer(v) rescue nil
+        return v
+      end
+
+    end
+
   end
+
 end
 
 class BinError < StandardError; end