From 92c6068a8be0c901f7a6a9f315d46df54ecb78a6 Mon Sep 17 00:00:00 2001
From: kmpeters <kmpeters@anl.gov>
Date: Mon, 2 Jun 2014 22:43:07 +0000
Subject: [PATCH] Added xxx.sh, a script to start/stop/restart a linux ioc in a
screen session. Improved in-screen.sh and run scripts.
---
iocBoot/iocLinux/in-screen.sh | 2 +-
iocBoot/iocLinux/run | 2 +-
iocBoot/iocLinux/xxx.sh | 127 ++++++++++++++++++++++++++++++++++
3 files changed, 129 insertions(+), 2 deletions(-)
create mode 100755 iocBoot/iocLinux/xxx.sh
diff --git a/iocBoot/iocLinux/in-screen.sh b/iocBoot/iocLinux/in-screen.sh
index 144c2ba..542d230 100755
--- a/iocBoot/iocLinux/in-screen.sh
+++ b/iocBoot/iocLinux/in-screen.sh
@@ -2,7 +2,7 @@
# $Id$
-/usr/bin/screen -d -m ./run
+/usr/bin/screen -dm -S xxx -h 5000 ./run
# start the IOC in a screen session
# type:
diff --git a/iocBoot/iocLinux/run b/iocBoot/iocLinux/run
index 88c9172..742ba96 100755
--- a/iocBoot/iocLinux/run
+++ b/iocBoot/iocLinux/run
@@ -3,7 +3,7 @@
# ensure that multiple, simultaneous IOCs are not started by this user ID
MY_UID=`id -u`
-IOC_PID="`/usr/bin/pgrep xxx -u ${MY_UID}`"
+IOC_PID="`/usr/bin/pgrep xxx\$ -u ${MY_UID}`"
if [ "" != "${IOC_PID}" ] ; then
echo "xxx IOC is already running, won't start a new one, PID=${IOC_PID}"
diff --git a/iocBoot/iocLinux/xxx.sh b/iocBoot/iocLinux/xxx.sh
new file mode 100755
index 0000000..ab917fe
--- /dev/null
+++ b/iocBoot/iocLinux/xxx.sh
@@ -0,0 +1,127 @@
+#!/bin/sh
+#
+# description: start/stop/restart an EPICS IOC in a screen session
+#
+
+# Make sure this path to the IOC is set correctly
+IOC_STARTUP_DIR=/home/username/epics/ioc/synApps/xxx/iocBoot/iocxxx
+IOC_NAME=xxx
+
+# Commands needed by this script
+ECHO=echo
+ID=id
+PGREP=pgrep
+SCREEN=screen
+KILL=kill
+# Explicitly define paths to commands if commands aren't found
+#!ECHO=/bin/echo
+#!ID=/usr/bin/id
+#!PGREP=/usr/bin/pgrep
+#!SCREEN=/usr/bin/screen
+#!KILL=/bin/kill
+
+#####################################################################
+
+SNAME=$0
+SELECTION=$1
+
+#####################################################################
+
+checkpid() {
+ MY_UID=`${ID} -u`
+ # The '\$' is needed in the pgrep pattern to select xxx, but not xxx.sh
+ IOC_PID=`${PGREP} ${IOC_NAME}\$ -u ${MY_UID}`
+ #!echo "IOC_PID=${IOC_PID}"
+ if [ "$IOC_PID" != "" ] ; then
+ # IOC is running
+ IOC_DOWN=0
+ else
+ # IOC is not running
+ IOC_DOWN=1
+ fi
+ return ${IOC_DOWN}
+}
+
+start() {
+ if checkpid; then
+ ${ECHO} "${IOC_NAME} is already running (pid=${IOC_PID})"
+ else
+ ${ECHO} "Starting ${IOC_NAME}"
+ cd ${IOC_STARTUP_DIR}
+ ./in-screen.sh
+ # Run xxx outside of a screen session, which is helpful for debugging
+ #!./run
+ fi
+}
+
+stop() {
+ if checkpid; then
+ ${ECHO} "Stopping ${IOC_NAME} (pid=${IOC_PID})"
+ ${KILL} ${IOC_PID}
+ else
+ ${ECHO} "${IOC_NAME} is not running"
+ fi
+}
+
+restart() {
+ stop
+ start
+}
+
+status() {
+ if checkpid; then
+ ${ECHO} "${IOC_NAME} is running (pid=${IOC_PID})"
+ else
+ ${ECHO} "${IOC_NAME} is not running"
+ fi
+}
+
+console() {
+ if checkpid; then
+ ${ECHO} "Connecting to ${IOC_NAME}'s screen session"
+ # The -r flag will only connect if no one is attached to the session
+ #!${SCREEN} -r ${IOC_NAME}
+ # The -x flag will connect even if someone is attached to the session
+ ${SCREEN} -x ${IOC_NAME}
+ else
+ ${ECHO} "${IOC_NAME} is not running"
+ fi
+}
+
+usage() {
+ ${ECHO} "Usage: $(basename ${SNAME}) {start|stop|restart|status|console}"
+}
+
+#####################################################################
+
+if [ ! -d ${IOC_STARTUP_DIR} ]
+then
+ ${ECHO} "Error: ${IOC_STARTUP_DIR} doesn't exist."
+ ${ECHO} "IOC_STARTUP_DIR in ${SNAME} needs to be corrected."
+else
+ case ${SELECTION} in
+ start)
+ start
+ ;;
+
+ stop | kill)
+ stop
+ ;;
+
+ restart)
+ restart
+ ;;
+
+ status)
+ status
+ ;;
+
+ console)
+ console
+ ;;
+
+ *)
+ usage
+ ;;
+ esac
+fi
--
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