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[or-cvs] [tor/release-0.2.2 048/162] improve rpm init script by borrowing from Debian



Author: Erinn Clark <erinn@xxxxxxxxxxxxxx>
Date: Thu, 30 Sep 2010 17:38:28 -0700
Subject: improve rpm init script by borrowing from Debian
Commit: dadd9608d2720368c78e01f485fc2e2783e6a677

---
 contrib/tor.sh.in |   50 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/contrib/tor.sh.in b/contrib/tor.sh.in
index e169761..92f8906 100644
--- a/contrib/tor.sh.in
+++ b/contrib/tor.sh.in
@@ -16,6 +16,15 @@
 # description: Onion Router - A low-latency anonymous proxy
 #
 
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+DAEMON=/usr/sbin/tor
+NAME=tor
+DESC="tor daemon"
+TORPIDDIR=/var/run/tor
+TORPID=$TORPIDDIR/tor.pid
+WAITFORDAEMON=60
+ARGS=""
+
 # Library functions
 if [ -f /etc/rc.d/init.d/functions ]; then
    . /etc/rc.d/init.d/functions
@@ -23,9 +32,6 @@ elif [ -f /etc/init.d/functions ]; then
    . /etc/init.d/functions
 fi
 
-# Increase open file descriptors a reasonable amount
-ulimit -n 8192
-
 TORCTL=@BINDIR@/torctl
 
 # torctl will use these environment variables
@@ -44,9 +50,47 @@ else
     SUPROG=/bin/su
 fi
 
+# Raise ulimit based on number of file descriptors available (thanks, Debian)
+
+if [ -r /proc/sys/fs/file-max ]; then
+	system_max=`cat /proc/sys/fs/file-max`
+	if [ "$system_max" -gt "80000" ] ; then
+		MAX_FILEDESCRIPTORS=32768
+	elif [ "$system_max" -gt "40000" ] ; then
+		MAX_FILEDESCRIPTORS=16384
+	elif [ "$system_max" -gt "10000" ] ; then
+		MAX_FILEDESCRIPTORS=8192
+	else
+		MAX_FILEDESCRIPTORS=1024
+		cat << EOF
+
+Warning: Your system has very few filedescriptors available in total.
+
+Maybe you should try raising that by adding 'fs.file-max=100000' to your
+/etc/sysctl.conf file.  Feel free to pick any number that you deem appropriate.
+Then run 'sysctl -p'.  See /proc/sys/fs/file-max for the current value, and
+file-nr in the same directory for how many of those are used at the moment.
+
+EOF
+	fi
+else
+	MAX_FILEDESCRIPTORS=8192
+fi
+
+NICE=""
+
 case "$1" in
 
     start)
+	if [ -n "$MAX_FILEDESCRIPTORS" ]; then
+		echo -n "Raising maximum number of filedescriptors (ulimit -n) to $MAX_FILEDESCRIPTORS"
+		if ulimit -n "$MAX_FILEDESCRIPTORS" ; then
+			echo "."
+		else
+			echo ": FAILED."
+		fi
+	fi
+
     action $"Starting tor:" $TORCTL start
     RETVAL=$?
     ;;
-- 
1.7.1