yell "ERROR:Invalid argument for setScriptTTL function."; exit 1;
fi
} # Seconds until next (day|hour).
+checkMakeTar() {
+ # Desc: Checks that a valid tar archive exists, creates one otherwise
+ # Usage: checkMakeTar [ path ]
+ # Input: arg1: path of tar archive
+ # Output: exit code 0 (even if tar had to be created)
+ # Depends: try, tar, date
+ local PATH_TAR="$1"
+
+ # Check if file is a valid tar archive
+ if tar --list --file="$PATH_TAR" 1>/dev/null 2>&1; then
+ ## T1: return success
+ return 0;
+ else
+ ## F1: Check if file exists
+ if [[ -f "$PATH_TAR" ]]; then
+ ### T: Rename file
+ try mv "$PATH_TAR" "$PATH_TAR""--broken--""$(date +%Y%m%dT%H%M%S)";
+ else
+ ### F: -
+ :
+ fi
+ ## F2: Create tar archive, return 0
+ try tar --create --file="$PATH_TAR" --files-from=/dev/null;
+ return 0;
+ fi
+} # checks if arg1 is tar; creates one otherwise
appendArgTar(){
# Desc: Writes first argument to temporary file with arguments as options, then appends file to tar
# Usage: writeArg "$(echo "Data to be written.")" [name of file to be inserted] [tar path] [temp dir] ([cmd1] [cmd2] [cmd3] [cmd4]...)
} # Append Bash var to file appended to Tar archive
magicWriteBuffer() {
# Desc: bkgpslog-specific meta function for writing data to DIR_TMP then appending each file to PATHOUT_TAR
- local FN="${FUNCNAME[0]}"
- yell "DEBUG:STATUS:$FN:Started magicWriteBuffer()."
+ # Inputs: PATHOUT_TAR FILEOUT_{NMEA,GPX,KML} CMD_CONV_{NMEA,GPX,KML} CMD_{COMPRESS,ENCRYPT} DIR_TMP
+ # Depends: yell, try, vbm, appendArgTar, tar
+ local FN="${FUNCNAME[0]}";
+ wait; # Wait to avoid collision with older magicWriteBuffer() instances (see https://www.tldp.org/LDP/abs/html/x9644.html )
+ vbm "DEBUG:STATUS:$FN:Started magicWriteBuffer().";
+
+ # Check that PATHOUT_TAR is a tar. Rename old and create empty one otherwise.
+ checkMakeTar "$PATHOUT_TAR"
+
+ # Write bufferBash to PATHOUT_TAR
appendArgTar "$bufferBash" "$FILEOUT_NMEA" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_NMEA" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write NMEA data
- appendArgTar "$bufferBash" "$FILEOUT_GPX" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_NMEA" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write GPX file
- appendArgTar "$bufferBash" "$FILEOUT_KML" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_NMEA" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write KML file
- yell "DEBUG:STATUS:$FN:Finished magicWriteBuffer()."
+ appendArgTar "$bufferBash" "$FILEOUT_GPX" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_GPX" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write GPX file
+ appendArgTar "$bufferBash" "$FILEOUT_KML" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_KML" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write KML file
+ # Remove secured chunks from DIR_TMP
+ try rm "$PATHOUT_NMEA" "$PATHOUT_GPX" "$PATHOUT_KML";
+ yell "DEBUG:STATUS:$FN:Finished magicWriteBuffer().";
} # bkgpslog write function
else
CMD_COMPRESS="tee /dev/null ";
CMD_COMPRESS_SUFFIX="";
- vbm "DEBUG:Compression not enabled."
+ vbm "DEBUG:Compression not enabled.";
fi
# Check that critical apps and dirs are available, displag missing ones.
## Define output tar path (note: each day gets *one* tar file (Ex: "20200731..hostname_location.[.gpx.gz].tar"))
PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \
vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR";
- ## Write bkgpslog version to DIR_TMP/VERSION
+ ## Generate VERSION file
FILEOUT_VERSION="$(dateTimeShort)..VERSION";
PATHOUT_VERSION="$DIR_TMP"/"$FILEOUT_VERSION";
echo "$(dateTimeShort):$(basename "$0")"" Version:""$SCRIPT_VERSION" >> "$PATHOUT_VERSION" && vbm "DEBUG:VERSION created:$PATHOUT_VERSION";
- ## Check if PATHOUT_TAR already exists.
- if [[ -f "$PATHOUT_TAR" ]]; then
- vbm "STATUS:Output tar already exists:$PATHOUT_TAR";
- ### Check if preexisting tar is appendable.
- FILEOUT_APPENDTEST="$(dateTimeShort)..RESUMING_LOGGING_SESSION.txt";
- PATHOUT_APPENDTEST="$DIR_TMP"/"$FILEOUT_APPENDTEST" && \
- vbm "DEBUG:Set PATHOUT_APPENDTEST to:$PATHOUT_APPENDTEST";
- echo "$(dateTimeShort):""$(basename "$0")"" version $SCRIPT_VERSION resuming logging session." >> "$PATHOUT_APPENDTEST" && \
- vbm "DEBUG:""$PATHOUT_APPENDTEST"" created."
- if ! tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$FILEOUT_APPENDTEST"; then
- ### If not appendable, label tar broken, move tar, proceed.
- mv "$PATHOUT_TAR" "${PATHOUT_TAR%.*}""-broken$(dateTimeShort)".tar && \
- vbm "DEBUG:tar not writable, moving out of the way $PATHOUT_TAR";
- fi
- else
- vbm "STATUS:Output tar does not already exist. Creating:$PATHOUT_TAR"
- ### If (no preexisting|appendable) tar found, create empty tar archive at PATHOUT_TAR
- try tar --create --directory="$DIR_TMP" --file="$PATHOUT_TAR" --files-from=/dev/null && \
- vbm "DEBUG:Empty tar created at:$PATHOUT_TAR";
- fi
+
+ ## Check that PATHOUT_TAR is a tar. Rename old and create empty one otherwise.
+ checkMakeTar "$PATHOUT_TAR" && vbm "DEBUG:Confirmed or Created to be a tar:$PATHOUT_TAR";
+
## Append VERSION file to PATHOUT_TAR
try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$FILEOUT_VERSION" && \
vbm "DEBUG:VERSION added to $PATHOUT_TAR";
# Determine file paths (time is start of buffer period)
FILEOUT_BASENAME="$timeBufferStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" && vbm "STATUS:Set FILEOUT_BASENAME to:$FILEOUT_BASENAME";
## Files saved to DIR_TMP
- FILEOUT_NMEA="$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_NMEA to:$FILEOUT_NMEA"
- FILEOUT_GPX="$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_GPX to:$FILEOUT_GPX"
- FILEOUT_KML="$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_KML to:$FILEOUT_KML"
+ FILEOUT_NMEA="$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_NMEA to:$FILEOUT_NMEA";
+ FILEOUT_GPX="$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_GPX to:$FILEOUT_GPX";
+ FILEOUT_KML="$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_KML to:$FILEOUT_KML";
PATHOUT_NMEA="$DIR_TMP"/"$FILEOUT_NMEA" && vbm "STATUS:Set PATHOUT_NMEA to:$PATHOUT_NMEA";
PATHOUT_GPX="$DIR_TMP"/"$FILEOUT_GPX" && vbm "STATUS:Set PATHOUT_GPX to:$PATHOUT_GPX";
PATHOUT_KML="$DIR_TMP"/"$FILEOUT_KML" && vbm "STATUS:Set PATHOUT_KML to:$PATHOUT_KML";
## Files saved to disk (DIR_OUT)
### one file per day (Ex: "20200731..hostname_location.[.gpx.gz].tar")
PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \
- vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR"
+ vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR";
# Define GPS conversion commands
CMD_CONV_NMEA="tee /dev/null " && vbm "STATUS:Set CMD_CONV_NMEA to:$CMD_CONV_NMEA"; # tee as passthrough
CMD_CONV_GPX="gpsbabel -i nmea -f - -o gpx -F - " && vbm "STATUS:Set CMD_CONV_GPX to:$CMD_CONV_GPX"; # convert NMEA to GPX
# Process bufferBash, save secured chunk set to DIR_TMP
vbm "STATUS:Beginning to save data to $DIR_TMP";
magicWriteBuffer &
- #echo "$bufferBash" | $CMD_CONV_NMEA | $CMD_COMPRESS | $CMD_ENCRYPT > "$PATHOUT_NMEA" & # Create NMEA file (secured if requested)
- #echo "$bufferBash" | $CMD_CONV_GPX | $CMD_COMPRESS | $CMD_ENCRYPT > "$PATHOUT_GPX" & # Create GPX file (secured if requested)
- #echo "$bufferBash" | $CMD_CONV_KML | $CMD_COMPRESS | $CMD_ENCRYPT > "$PATHOUT_KML" & # Create KML file (secured if requested)
# Append each secured chunk in memory dir (DIR_TMP) to file on disk (PATHOUT_TAR in DIR_OUT)
vbm "STATUS:DIR_TMP :$DIR_TMP";
vbm "STATUS:PATHOUT_TAR :$PATHOUT_TAR";
vbm "STATUS:PATHOUT_NMEA:$PATHOUT_NMEA";
vbm "STATUS:PATHOUT_GPX:$PATHOUT_GPX";
vbm "STATUS:PATHOUT_KML:$PATHOUT_KML";
- try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_NMEA")" && \
- vbm "DEBUG:Appended NMEA location data $PATHOUT_NMEA to $PATHOUT_TAR";
- try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_GPX")" && \
- vbm "DEBUG:Appended GPX location data $PATHOUT_GPX to $PATHOUT_TAR";
- try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_KML")" && \
- vbm "DEBUG:Appended KML location $PATHOUT_KML to $PATHOUT_TAR";
- # Remove secured chunks from DIR_TMP
- try rm "$PATHOUT_NMEA" "$PATHOUT_GPX" "$PATHOUT_KML";
+
# Reset buffer and filenames
unset bufferBash FILEOUT_BASENAME PATHOUT_NMEA PATHOUT_GPX PATHOUT_KML PATHOUT_TAR timeBufferStart;
vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
# Remove DIR_TMP
try rm -r "$DIR_TMP";
- vbm "STATUS:Main function finished."
+ vbm "STATUS:Main function finished.";
} # Main function.
#===END Declare local script functions===
#==END Define script parameters==
projects / EVA-2020-02.git / blobdiff