Implemented production/debug mode for snf-server.freebsd.

git-svn-id: https://svn.microneil.com/svn/PKG-SNF-CS-NIX/trunk@39 233e721a-07f6-49eb-a7da-05e0e16828fc

SNF_CS_Developer_Package/ChangeLog

 2009-06-29  Alban Deniz  <adeniz@skidmark.localdomain>
 
+	* Scripts/snf-server.freebsd: Implement debug mode and production
+	mode (Copied from snf-milter.freebsd in snf-milter distribution).
+
 	* Scripts/snf-server.suse: Implement debug mode and production
 	mode (Copied from snf-milter.suse in snf-milter distribution).
 

SNF_CS_Developer_Package/Scripts/snf-server.freebsd

 #!/bin/sh
 #
-# SNFServer	This shell script takes care of starting and stopping
-#		the ARM Research SNFServer daemon for FreeBSD systems.
+# snf-server	Starts and stops the SNFServer daemon (FreeBSD).
 #
 # Author--  Alban Deniz
 #
 
 . /etc/rc.subr
 
-# Location of programs.
+# Directory to run in.
+runDir=PREFIX/share/PACKAGE_NAME
+
+# Define mode files.
+debugModeFile=$runDir/debug_mode
+productionModeFile=$runDir/production_mode
+
+# Set debug mode flag.
+if [ -f $debugModeFile ]
+then
+    debugMode=true
+fi
+
+# Debug output file.
+debugOutputFile=/var/log/PACKAGE_NAME/debug.log
+
+# Location of installation.
 installedDir="PREFIX"
 
 # Location of programs.
 # Name of config file.
 configFile="CONFFILE"
 
-# Name of daemon.
-prog="SNFServer"
-
 # Name of client.
 clientProg="SNFClient"
 
+# Names of daemons.
+debugProg="SNFDebugServer"
+productionProg="SNFServer"
+
 name="snfserver"
 rcvar=`set_rcvar`
-command=$dir/$prog
-command_args="$configFile > /dev/null 2>&1 &"
 required_dirs=$dir
-required_files="$dir/$prog $dir/$clientProg $configFile"
-snf_user=snfilter
-snf_group=snfilter
+required_files="$dir/$productionProg $dir/$clientProg $configFile"
+snfserver_user=snfilter
+snfserver_group=snfilter
+
+# Start in a directory that is writable.
+snfserver_chdir=PREFIX/share/PACKAGE_NAME
+
+if [ $debugMode ]
+then
+
+    # Enable core dumps.
+    ulimit -c unlimited
+
+    # Run debug version.
+    command="/usr/local/bin/strace"
+
+    # Start with output redirected to a file.
+    command_args="-r -tt -v $dir/$debugProg $configFile >> $debugOutputFile 2>&1 &"
+
+else
+
+    # Run non-debug version.
+    command=$dir/$productionProg
+
+    # Start with output discarded.
+    command_args="$configFile > /dev/null 2>&1 &"
+
+fi
 
 start_postcmd="${name}_poststart"
 
     return $?
 }
 
+status_cmd="${name}_status"
+
+snfserver_status()
+{
+    # Check whether the programs are running.
+    RETVAL=0
+    for progName in $debugProg $productionProg
+    do
+
+        SNFPID=$(check_process $dir/$progName)
+        if [ -n "$SNFPID" ]; then
+	    echo "$progName is running as pid $SNFPID."
+            RETVAL=$(($RETVAL+1))
+	else
+	    echo "$progName is not running."
+        fi
+    done
+    if [ 0 -eq $RETVAL ]
+    then
+        # Not running.
+	return 1
+    else
+        # At least one program is running.
+	return 0
+    fi
+}
+
 stop_cmd="${name}_stop"
 snfserver_stop()
 {
 
 snfserver_poststop()
 {
-    SNFPID=$(check_process $dir/$prog)
-    if [ -n "$SNFPID" ]; then
-	kill $SNFPID
-	RETVAL=$?
-    else
-	RETVAL=0
-    fi
+    DEBUG_SNFPID=$(check_process $dir/$debugProg)
+    PRODUCTION_SNFPID=$(check_process $dir/$productionProg)
+
+    # Check that the programs are no longer running.
+    RETVAL=0
+    for progName in $debugProg $productionProg
+    do
+
+        SNFPID=$(check_process $dir/$progName)
+        if [ -n "$SNFPID" ]; then
+            kill $SNFPID
+            RETVAL=$(($RETVAL+$?))
+        fi
+    done
     return $RETVAL
 }
 
+# Additional commands.
+extra_commands="production_mode debug_mode"
+
+#
+# Function to create the mode file.
+#
+createModeFile()
+{
+    fileName=$1
+
+    # Remove any existing mode files.
+    rm -f $productionModeFile $debugModeFile $fileName
+    (
+	echo "PACKAGE_NAME mode file"
+	echo
+	echo "This file specifies whether PACKAGE_NAME is configured to run in"
+	echo "production mode or debug mode.  If the name of this file is"
+        echo "'production_mode', then PACKAGE_NAME is configured to run in"
+        echo "production mode.  If the name is 'debug_mode', then PACKAGE_NAME is"
+        echo "configured to run in debug mode."
+	echo
+	echo "To run in debug mode:"
+	echo
+	echo "    1) Run 'PACKAGE_NAME debug_mode'"
+	echo
+	echo "    2) Run 'PACKAGE_NAME restart' (if PACKAGE_NAME is already running),"
+	echo "       or 'PACKAGE_NAME start' (to start PACKAGE_NAME)"
+	echo
+	echo "To run in production mode:"
+	echo
+	echo "    1) Run 'PACKAGE_NAME production_mode'"
+	echo
+	echo "    2) Run 'PACKAGE_NAME restart' (if PACKAGE_NAME is already running),"
+	echo "       or 'PACKAGE_NAME start' (to start PACKAGE_NAME)"
+	echo
+	echo "By default, PACKAGE_NAME is configured to run in production mode."
+	) > $fileName
+
+}
+
+production_mode_cmd="${name}_production_mode"
+
+# Switch to production mode.
+snfserver_production_mode()
+{
+    echo "Switching to production mode"
+    createModeFile $productionModeFile
+}
+
+debug_mode_cmd="${name}_debug_mode"
+
+# Switch to debug mode.
+snfserver_debug_mode()
+{
+    echo "Switching to debug mode"
+    createModeFile $debugModeFile
+}
+
 load_rc_config $name
 run_rc_command "$1"