+ virtual const char *name()= 0;
+ virtual const char *executable()= 0;
+ virtual const char *port_option()= 0;
+ virtual const char *pid_file_option()= 0;
+ virtual const char *daemon_file_option()= 0;
+ virtual const char *log_file_option()= 0;
+ virtual bool is_libtool()= 0;
+
+ virtual const char *socket_file_option() const