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-rw-r--r--src.etc/rc.common96
1 files changed, 96 insertions, 0 deletions
diff --git a/src.etc/rc.common b/src.etc/rc.common
new file mode 100644
index 0000000..344e3e7
--- /dev/null
+++ b/src.etc/rc.common
@@ -0,0 +1,96 @@
+#!/bin/sh
+#
+# /etc/rc.common
+# Framework for service initialization scripts.
+#
+# Copyright (C) 2014 Patrick "P. J." McDermott
+#
+# This file may be reproduced, distributed, modified, and otherwise dealt in
+# under the terms of the Expat License.
+
+set -u
+
+SCRIPT=''
+LOG_MSG=''
+EXTRA_COMMANDS=''
+
+main()
+{
+ local action="${2}"
+ local all_cmds=
+ local es=
+
+ SCRIPT="${1}"
+
+ . "${SCRIPT}"
+
+ all_cmds=" start stop restart ${EXTRA_COMMANDS} "
+ if [ "x${all_cmds#* ${action} }" != "x${all_cmds}" ]; then
+ ${action}
+ es=${?}
+ log_end ${es}
+ return ${es}
+ else
+ usage
+ return 1
+ fi
+}
+
+tty_printf()
+{
+ local tty="$(tty)" && printf "${@}" >"${tty}"
+}
+
+usage() {
+ local cmd=
+
+ tty_printf 'Usage: %s {start|stop|restart' "${SCRIPT}"
+ if [ "x${EXTRA_COMMANDS:+set}" = 'xset' ]; then
+ tty_printf '|%s' ${EXTRA_COMMANDS}
+ fi
+ tty_printf '}\n'
+}
+
+log()
+{
+ local fmt="${1}"
+ shift 1
+
+ LOG_MSG="$(printf "${fmt}" "${@}")"
+ tty_printf '[ ] %s...\r' "${LOG_MSG}"
+}
+
+log_end()
+{
+ local es="${1}"
+
+ case ${es} in
+ 0)
+ tty_printf '[ ok ] %s... done.\n' \
+ "${LOG_MSG}"
+ ;;
+ 255)
+ tty_printf '[warn] %s... done.\n' \
+ "${LOG_MSG}"
+ ;;
+ *)
+ tty_printf '[fail] %s... failed.\n' \
+ "${LOG_MSG}"
+ ;;
+ esac
+}
+
+# Default function definitions
+
+stop()
+{
+ :
+}
+
+restart()
+{
+ stop
+ start
+}
+
+main "${@}"