make clearer why base page is not populating / add check recording (#624)

* add ability to check if last minute recorded to SD

* improve composition of web root

* add multicam to list of options in s10httpd

* make cgi-bin and sh functional / improve logic

SD_ROOT/wz_mini/www/cgi-bin/status.cgi

@@ -0,0 +1,111 @@
+#!/bin/sh
+# This serves a rudimentary webpage to test different items
+. /opt/wz_mini/www/cgi-bin/shared.cgi
+
+
+base='/opt/record/';
+TZ=$(cat /configs/TZ)
+
+
+
+
+
+test_recording()
+{
+
+msg=""
+fpath=$(TZ="$TZ" date +"%Y%m%d")
+nowmin=$(TZ="$TZ" date +"%M")
+curmin=$((10#$nowmin - 1))
+curhour=$(TZ="$TZ" date +"%H")
+cursec=$(TZ="$TZ" date +"%S")
+
+
+if [[ "$cursec" -lt  "03" ]]; then
+	wt=$((3 - $cursec))
+	msg="delayed $wt seconds to allow copy to SD"
+        sleep $wt
+fi
+
+if [[ "$curmin" -eq "0" ]]; then
+	if [[ "$curhour" -gt "0" ]]; then
+        	curhour=$(($curhour - 1))
+		curhour=$(printf %02d $curhour)
+	else
+	  fpath=$(($fpath - 1))
+	  curhour=23
+	fi
+        curmin=59
+fi
+
+curmin=$(printf %02d $curmin)
+
+if [ ! -d "$base$fpath" ]; then
+	echo -e "NG $lb"
+	echo "Date directory does not exist ($base$fname)" 
+	exit
+fi
+
+
+
+
+if [ ! -d "$base$fpath/$curhour" ]; then
+        echo -e "NG $lb"
+	echo "Hour directory does not exist ($base$fname/$curhour)"
+	exit
+fi
+
+
+
+if [ ! -f "$base$fpath/$curhour/$curmin.mp4" ]; then
+        echo -e "NG $lb"
+	echo "Last minute not recorded ($base$fname/$curhour/$curmin.mp4)"
+	exit
+fi
+
+
+echo "OK$lb"
+echo found "$base$fpath/$curhour/$curmin.mp4"
+echo $msg
+}
+
+
+if [ -z $REQUEST_METHOD ]; then
+	echo "run on command line -- not in web "
+
+for ARGUMENT in "$@"
+do
+
+    KEY=$(echo $ARGUMENT | cut -f1 -d=)
+    VALUE=$(echo $ARGUMENT | cut -f2 -d=)   
+
+    case "$KEY" in
+	test)	GET_test=${VALUE} ;;
+    esac    
+   lb=""
+done
+
+elif  [[ $REQUEST_METHOD = 'GET' ]]; then
+
+  
+  echo "HTTP/1.1 200"
+  echo -e "Content-type: text/html\n\n"
+  echo ""
+  lb="<br >"
+
+  #since ash does not handle arrays we create variables using eval
+  IFS='&'
+  for PAIR in $QUERY_STRING
+  do
+      K=$(echo $PAIR | cut -f1 -d=)
+      VA=$(echo $PAIR | cut -f2 -d=)
+      eval GET_$K=$VA
+  done
+
+fi
+
+
+  if [[ "$GET_test" = "recording" ]];  then
+    test_recording
+  fi
+