X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02.git/blobdiff_plain/62ced44390854d2da0a4de5bb125d5acd042b644..401a0851e7ec9edb974ea3cece7f5937eab0f40f:/exec/bkgpslog

diff --git a/exec/bkgpslog b/exec/bkgpslog
index d9297a6..bd77ffd 100755
--- a/exec/bkgpslog
+++ b/exec/bkgpslog
@@ -29,7 +29,7 @@ checkapp() {
     #===Process Args===
     for arg in "$@"; do
 	#echo "DEBUG:processing arg:$arg"
-	if command -v $arg 1>/dev/null 2>&1; then # Check if arg is a valid command
+	if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
 	    appRollCall[$arg]="true";
 	    #echo "DEBUG:appRollCall[$arg]:"${appRollCall[$arg]}
 	    if ! [ "$returnState" = "false" ]; then returnState="true"; fi
@@ -97,8 +97,10 @@ checkdir() {
 	    dirRollCall["$arg"]="true";
 	    #echo "DEBUG:dirRollCall[\"$arg\"]:"${dirRollCall["$arg"]}
 	    if ! [ "$returnState" = "false" ]; then returnState="true"; fi
-	else
+	elif [ "$arg" = "" ]; then
 	    dirRollCall["$arg"]="false"; returnState="false";
+	else
+	    returnState="false";
 	fi
     done
 
@@ -126,7 +128,7 @@ echoerr() {
 } # Define stderr message function.
 showUsage() {
     echoerr "USAGE:"
-    echoerr "    bkgpslog.sh [ options ]"
+    echoerr "    bkgpslog [ options ]"
     echoerr
     echoerr "OPTIONS:"
     echoerr "    -h, --help"
@@ -145,19 +147,36 @@ showVersion() {
     echoerr "$SCRIPT_VERSION"
 } # Display script version.
 vbm() {
-    if [ $OPTION_VERBOSE -eq "true" ]; then
-	echoerr "$@"
+    # Usage: vbm "DEBUG:verbose message here"
+    # Description: Prints verbose message ("vbm") to stderr if OPTION_VERBOSE is set to "true".
+    # Input:
+    #   - OPTION_VERBOSE  variable set by processArguments function. (ex: "true", "false")
+    #   - "$@"            positional arguments fed to this function.
+    # Output: stderr
+    # Script function dependencies: echoerr
+    # External function dependencies: echo
+    # Last modified: 2020-04-11T23:57Z
+    # Last modified by: Steven Baltakatei Sandoval
+    # License: GPLv3+
+    # Ref./Attrib:
+
+    if [ "$OPTION_VERBOSE" = "true" ]; then
+	FUNCTION_TIME=$(date --iso-8601=ns); # Save current time in nano seconds.
+	echoerr "[$FUNCTION_TIME] ""$*"; # Display argument text.
     fi
+
+    # End function
+    return 0; # Function finished.
 } # Verbose message display function.
 processArguments() {
     while [ ! $# -eq 0 ]; do   # While number of arguments ($#) is not (!) equal to (-eq) zero (0).
 	echoerr "DEBUG:Starting processArguments while loop."
-	echoerr "DEBUG:Provided arguments are:""$@"
+	echoerr "DEBUG:Provided arguments are:""$*"
 	case "$1" in
 	    --h | --help) showUsage; exit 1;; # Display usage.
 	    --version) showVersion; exit 1;; # Show version
 	    --v | --verbose) OPTION_VERBOSE="true"; vbm "DEBUG:Verbose mode enabled.";; # Enable verbose mode.
-	    --o | --output) if [ -d "$2" ]; then DIROUT="$2"; fi ;; # Define output directory.
+	    --o | --output) if [ -d "$2" ]; then DIROUT="$2"; vbm "DEBUG:DIROUT:$DIROUT"; shift; fi ;; # Define output directory.
 	    *) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
 	esac
 	shift
@@ -207,26 +226,35 @@ dateTimeShort(){
     echo "$TIME_CURRENT_SHORT";
 } # Get date&time without separators
 main() {
-    processArguments # Process arguments.
+    processArguments "$@" # Process arguments.
     if checkapp gpspipe && checkdir "$DIROUT"; then
-	# Determine output file paths
-	FILEOUT_NMEA="$(dateTimeShort)".."$SCRIPT_HOSTNAME"_location.nmea ;
-	#FILEOUT_GPX="" ;
-	#FILEOUT_KML="" ;
+
 
 	# Determine script lifespan (note: exit if <= 0 since 'timeout' runs forever if provided "0s".
 	#if ! scriptTTL="$(timeUntilMidnight)"; then yell "ERROR: timeUntilMidnight exit code $?"; exit 1; fi 
-	scriptTTL="60"; #DEBUG DEBUG DEBUG DEBUG	
+	scriptTTL="3600"; # DEBUG DEBUG DEBUG DEBUG
         
 	# Determine buffer lifespan
-	bufferTTL="15";
+	bufferTTL="60";
 
-	# Record gps data until life ends
+	# Record gps data until script lifespan ends
 	declare debugCounter; debugCounter="0"
 	while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
 	    ((debugCounter++))
-	    timeout "$bufferTTL""s" gpspipe -r 1>> "$DIROUT"/"$FILEOUT_NMEA""$debugCounter"
-	    echo "do stuff" 1>&2;
+      	    # Determine output file paths (time is start of buffer period)
+	    FILEOUT_BASENAME="$(dateTimeShort)--P$(bufferTTL)S..""$SCRIPT_HOSTNAME""_location" ;
+	    FILEOUT_NMEA="$FILEOUT_BASENAME".nmea ;
+	    FILEOUT_GPX="$FILEOUT_BASENAME".gpx ;
+	    FILEOUT_KML="$FILEOUT_BASENAME".kml ;
+	    # Fill buffer
+	    buffer="$(timeout "$bufferTTL""s" gpspipe -r)"; # Record gpspipe nmea data to buffer for bufferTTL seconds
+	    # Process and save buffers
+	    echo "$buffer"                                     > "$DIROUT"/"$FILEOUT_NMEA" & # Save NMEA format
+	    echo "$buffer" | gpsbabel -i nmea -f - -o gpx -F - > "$DIROUT"/"$FILEOUT_GPX"  & # Save GPX format
+	    echo "$buffer" | gpsbabel -i nmea -f - -o kml -F - > "$DIROUT"/"$FILEOUT_KML"  & # Save KML format
+	    vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
+	    # Reset buffer and filenames
+	    unset buffer buffer_GPX buffer_KML FILEOUT_BASENAME FILEOUT_NMEA FILEOUT_GPX FILEOUT_KML;
 	done
     fi
 } # Main function.