Added restart functionality to run.sh

[matches/MCTX3420.git] / server / run.sh

diff --git a/server/run.sh b/server/run.sh
index a776cbd..9bf9cc9 100755 (executable)
--- a/server/run.sh
+++ b/server/run.sh
@@ -2,5 +2,47 @@
 # Use this to quickly test run the server in valgrind
 #spawn-fcgi -p9005 -n ./valgrind.sh
 # Use this to run the server normally
-./stream &
-spawn-fcgi -p9005 -n ./server
+#./stream &
+
+# Check running as root
+if [ "$(whoami)" != "root" ]; then
+       (echo "Run $0 as root.") 1>&2
+       exit 1
+fi
+
+# Check existence of program
+if [ ! -e "server" ]; then
+       (echo "Rebuild server.") 1>&2;
+       exit 1
+fi
+
+# Identify cape-manager slots
+slot=$(echo /sys/devices/bone_capemgr.*/slots | awk '{print $1}')
+
+# Load PWM module
+modprobe pwm_test
+(echo am33xx_pwm > $slot) 1>&2 >> /dev/null
+
+# Load ADCs
+(echo cape-bone-iio > $slot) 1>&2 >> /dev/null
+# Find adc_device_path
+# NOTE: This has to be passed as a parameter, because it is not always the same. For some unfathomable reason. Hooray.
+adc_device_path=$(dirname $(find /sys -name *AIN0))
+
+
+# Run the program with parameters
+# TODO: Can tell spawn-fcgi to run the program as an unprivelaged user?
+# But first will have to work out how to set PWM/GPIO as unprivelaged user
+fails=0
+while [ $fails -lt 10 ]; do
+       spawn-fcgi -p9005 -n -- ./server -a "$adc_device_path"
+       if [ "$?" == "0" ]; then
+               exit 0
+       fi
+       fails=$(( $fails + 1 ))
+       (echo "Restarting server after Fatal Error #$fails") 1>&2
+       
+done
+(echo "Server had too many Fatal Errors ($fails)") 1>&2
+exit $fails
+