X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Frun.sh;h=1890059168c4d88cba152299ef783bd818d08c33;hb=HEAD;hp=aafc5d1292a69f8cd3966d330adf7005894260df;hpb=685168f14cc0129bc5f49e476602d223563e6660;p=matches%2FMCTX3420.git

diff --git a/server/run.sh b/server/run.sh
index aafc5d1..1890059 100755
--- a/server/run.sh
+++ b/server/run.sh
@@ -1,6 +1,101 @@
 #!/bin/bash
-# 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
+
+# Check existence of program
+if [ ! -e "server" ]; then
+        (echo "Rebuild server.") 1>&2;
+        exit 1
+fi
+
+# Get the parameters
+. parameters
+echo "Parameters are: $parameters"
+
+if [[ "$(uname -m)" != *arm*  ]]; then
+        echo Not running on the BBB
+        # Use this to quickly test run the server in valgrind
+        #spawn-fcgi -p9005 -n ./valgrind.sh
+        # Use this to run the server normally
+        spawn-fcgi -p9005 -n -- ./server $parameters
+        exit 0
+fi
+
+# Check running as root
+if [ "$(whoami)" != "root" ]; then
+        (echo "Run $0 as root.") 1>&2
+        exit 1
+fi
+
+# Rotate the logs
+echo Rotating the system logs
+logrotate -f /etc/logrotate.d/mctxserv.conf
+
+# Identify cape-manager slots
+slot=$(echo /sys/devices/bone_capemgr.*/slots | awk '{print $1}')
+pwm=/sys/class/pwm/
+
+# Load PWM module
+if [ $(cat $slot | grep am33xx_pwm -c) -gt 0 ]; then 
+        echo am33xx_pwm already loaded, not loading again; 
+else
+        echo Enabling PWM driver am33xx_pwm
+        echo am33xx_pwm > $slot
+fi;
+
+# Safe pins that won't interfere with one another
+#ports=(P9_22 P9_42 P9_16 P8_13 P9_28);
+#portnumbers=(0 2 4 6 7);
+#Full correspondence from pwm0-pwm7
+ports=(P9_22 P9_21 P9_42 P9_14 P9_16 P8_19 P8_13 P9_28);
+portnumbers=(0 1 2 3 4 5 6 7);
+# Enable PWM pins
+# They must be exported at this stage, before the device tree
+# overlay for that pin is enabled.
+for ((c=0; c < ${#ports[*]}; c++)); do
+        if [ ! -d $pwm/pwm${portnumbers[$c]} ]; then
+                echo Exporting PWM ${portnumbers[$c]} \(${ports[$c]}\)
+                echo ${portnumbers[$c]} > $pwm/export
+        else
+                echo PWM ${portnumbers[$c]} already enabled
+        fi;
+                
+        if [ $(cat $slot | grep ${ports[$c]} -c) -gt 0 ]; then
+                echo PWM pin ${ports[$c]} already enabled, not enabling again
+        else
+                (echo bone_pwm_${ports[$c]} > $slot) 1>&2 >> /dev/null
+        fi;
+done;
+
+# Load ADCs
+if [ $(cat $slot | grep BB-ADC -c) -gt 0 ]; then 
+        echo BB-ADC already loaded, not loading again; 
+else 
+        echo Enabling BB-ADC
+        (echo BB-ADC > $slot) 1>&2 >> /dev/null
+fi;
+
+# Find adc_device_path
+# NOTE: This has to be passed as a parameter, because it is not always the same. For some unfathomable reason. Hooray.
+#adc_device_path=$(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
+# NOTE: Having the program automatically restart itself after a *FATAL ERROR* doesn't seem like such a good idea now
+# (Some things that call Fatal happen under circumstances where they will just keep calling Fatal every time the program starts)
+# Change the number of fails to 1 for now. We can potentially use different error codes for different types of errors, but that seems overkill.
+fails=0
+while [ $fails -lt 1 ]; do
+        spawn-fcgi -p9005 -n -- ./server $parameters
+		error=$?
+        if [ "$error" == "0" ]; then
+                exit 0
+        fi
+        fails=$(( $fails + 1 ))
+        (echo "Restarting server after Fatal Error #$fails") 1>&2
+        
+done
+(echo "Server had too many Fatal Errors ($fails)") 1>&2
+exit $fails