X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02.git/blobdiff_plain/e04521002f01d54f71e29a9756e71a0f057828ad..3df184eb452e1c7034697db5435d49c812f8b40b:/exec/bkgpslog diff --git a/exec/bkgpslog b/exec/bkgpslog index 57b685e..19f95f2 100755 --- a/exec/bkgpslog +++ b/exec/bkgpslog @@ -14,7 +14,7 @@ DIR_TMP_DEFAULT="/dev/shm"; # Default parent of working directory SCRIPT_TIME_START=$(date +%Y%m%dT%H%M%S.%N); PATH="$HOME/.local/bin:$PATH"; # Add "$(systemd-path user-binaries)" path in case apps saved there SCRIPT_HOSTNAME=$(hostname); # Save hostname of system running this script. -SCRIPT_VERSION="bkgpslog 0.1.0"; # Define version of script. +SCRIPT_VERSION="bkgpslog 0.2.0"; # Define version of script. declare -Ag appRollCall # Associative array for storing app status declare -Ag fileRollCall # Associative array for storing file status @@ -262,41 +262,47 @@ setTimeZoneEV(){ } # Exports TZ environment variable timeUntilNextDay(){ # Desc: Report seconds until next day. + # Version: 1.0.0 # Output: stdout: integer seconds until next day # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0 # Usage: timeUntilNextDay # Usage: if ! myTTL="$(timeUntilNextDay)"; then yell "ERROR in if statement"; exit 1; fi + # Depends: date 8, echo 8, yell, try + local returnState TIME_CURRENT TIME_NEXT_DAY SECONDS_UNTIL_NEXT_DAY + TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second. TIME_NEXT_DAY="$(date -d "$TIME_CURRENT next day" --iso-8601=date)"; # Produce timestamp of beginning of tomorrow with resolution of 1 second. SECONDS_UNTIL_NEXT_DAY="$(( $(date +%s -d "$TIME_NEXT_DAY") - $(date +%s -d "$TIME_CURRENT") ))" ; # Calculate seconds until closest future midnight (res. 1 second). if [[ "$SECONDS_UNTIL_NEXT_DAY" -gt 0 ]]; then returnState="true"; elif [[ "$SECONDS_UNTIL_NEXT_DAY" -eq 0 ]]; then - returnState="WARNING_ZERO"; + returnState="warning_zero"; yell "WARNING:Reported time until next day exactly zero."; elif [[ "$SECONDS_UNTIL_NEXT_DAY" -lt 0 ]]; then - returnState="WARNING_NEGATIVE"; + returnState="warning_negative"; yell "WARNING:Reported time until next day is negative."; fi try echo "$SECONDS_UNTIL_NEXT_DAY"; # Report - #===Determine function return code=== + # Determine function return code if [[ "$returnState" = "true" ]]; then return 0; - elif [[ "$returnState" = "WARNING_ZERO" ]]; then + elif [[ "$returnState" = "warning_zero" ]]; then return 1; - elif [[ "$returnState" = "WARNING_NEGATIVE" ]]; then + elif [[ "$returnState" = "warning_negative" ]]; then return 2; fi } # Report seconds until next day timeUntilNextHour(){ # Desc: Report seconds until next hour + # Version 1.0.0 # Output: stdout: integer seconds until next hour # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0 # Usage: timeUntilNextHour # Usage: if ! myTTL="$(timeUntilNextHour)"; then yell "ERROR in if statement"; exit 1; fi + local returnState TIME_CURRENT TIME_NEXT_HOUR SECONDS_UNTIL_NEXT_HOUR TIME_CURRENT="$(date --iso-8601=seconds)"; # Produce `date`-parsable current timestamp with resolution of 1 second. TIME_NEXT_HOUR="$(date -d "$TIME_CURRENT next hour" --iso-8601=hours)"; # Produce `date`-parsable current time stamp with resolution of 1 second. @@ -304,21 +310,21 @@ timeUntilNextHour(){ if [[ "$SECONDS_UNTIL_NEXT_HOUR" -gt 0 ]]; then returnState="true"; elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -eq 0 ]]; then - returnState="WARNING_ZERO"; + returnState="warning_zero"; yell "WARNING:Reported time until next hour exactly zero."; elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -lt 0 ]]; then - returnState="WARNING_NEGATIVE"; + returnState="warning_negative"; yell "WARNING:Reported time until next hour is negative."; fi try echo "$SECONDS_UNTIL_NEXT_HOUR"; # Report - #===Determine function return code=== + # Determine function return code if [[ "$returnState" = "true" ]]; then return 0; - elif [[ "$returnState" = "WARNING_ZERO" ]]; then + elif [[ "$returnState" = "warning_zero" ]]; then return 1; - elif [[ "$returnState" = "WARNING_NEGATIVE" ]]; then + elif [[ "$returnState" = "warning_negative" ]]; then return 2; fi } # Report seconds until next hour @@ -345,12 +351,17 @@ timeDuration(){ # Ref/Attrib: ISO-8601:2004(E), §4.4.4.2 Representations of time intervals by duration and context information # Note: "1 month" ("P1M") is assumed to be "30 days" (see ISO-8601:2004(E), §2.2.1.2) # Usage: timeDuration [arg1] ([arg2]) + # Version: 1.0.1 # Input: arg1: seconds as base 10 integer >= 0 (ex: 3601) # arg2: precision level (optional; default=2) # Output: stdout: ISO-8601 duration string (ex: "P1H1S", "P2Y10M15DT10H30M20S") # Example: 'timeDuration 111111 3' yields 'P1DT6H51M' - # Depends: date 8 (gnucoreutils) - local returnState fullHours fullMinutes fullSeconds; + # Depends: date 8 (gnucoreutils), yell, + local returnState ARG1 ARG2 remainder precision witherPrecision + local fullYears fullMonths fullDays fullHours fullMinutes fullSeconds + local displayYears displayMonths displayDays displayHours displayMinutes displaySeconds + local hasYears hasMonths hasDays hasHours hasMinutes hasSeconds + ARG1="$1"; ARG2="$2"; precision=2; # set default precision @@ -363,13 +374,12 @@ timeDuration(){ # Check that arg1 provided if [[ $# -ge 1 ]]; then - # Check that arg1 is a positive integer + ## Check that arg1 is a positive integer if [[ "$ARG1" =~ ^[[:digit:]]+$ ]]; then - arg1Valid="true"; + : else yell "ERROR:ARG1 not a digit."; returnState="ERROR_INPUT"; - arg1Valid="false"; fi else yell "ERROR:No argument provided. Exiting."; @@ -379,16 +389,14 @@ timeDuration(){ # Consider whether arg2 was provided if [[ $# -eq 2 ]]; then # Check that the second arg is a positive integer - if [[ "$ARG2" =~ ^[[:digit:]]+$ ]] && [[ "ARG2" -gt 0 ]]; then - arg2Valid="true"; + if [[ "$ARG2" =~ ^[[:digit:]]+$ ]] && [[ "$ARG2" -gt 0 ]]; then precision="$ARG2"; else yell "ERROR:ARG2 not a positive integer. (is $ARG2 ). Leaving early."; returnState="ERROR_INPUT"; - arg2Valid="false"; fi; else - arg2Valid="false"; + : fi; remainder="$ARG1" ; # seconds @@ -612,6 +620,46 @@ setScriptTTL() { 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 ] + # Version: 1.0.1 + # Input: arg1: path of tar archive + # Output: exit code 0 : tar readable + # exit code 1 : tar missing; created + # exit code 2 : tar not readable; moved; replaced + # Depends: try, tar, date + local PATH_TAR returnFlag0 returnFlag1 returnFlag2 + 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 + returnFlag0="tar valid"; + 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)" && \ + returnFlag1="tar moved"; + else + ### F: - + : + fi + ## F2: Create tar archive, return 0 + try tar --create --file="$PATH_TAR" --files-from=/dev/null && \ + returnFlag2="tar created"; + fi + + # Determine function return code + if [[ "$returnFlag0" = "tar valid" ]]; then + return 0; + elif [[ "$returnFlag2" = "tar created" ]] && ! [[ "$returnFlag1" = "tar moved" ]]; then + return 1; # tar missing so created + elif [[ "$returnFlag2" = "tar created" ]] && [[ "$returnFlag1" = "tar moved" ]]; then + return 2; # tar not readable so moved; replaced + 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 "$(echo "Data to be written.")" [name of file to be inserted] [tar path] [temp dir] ([cmd1] [cmd2] [cmd3] [cmd4]...) @@ -661,19 +709,40 @@ appendArgTar(){ try tar --append --directory="$TMP_DIR" --file="$TAR_PATH" "$FILENAME"; yell "DEBUG:STATUS:$FN:Finished appendArgTar()." } # Append Bash var to file appended to Tar archive +magicWriteVersion() { + # Desc: Appends time-stamped VERSION to PATHOUT_TAR + # Usage: magicWriteVersion + # Input: CONTENT_VERSION, FILEOUT_VERSION, PATHOUT_TAR, DIR_TMP + # Depends: dateTimeShort, appendArgTar + + # Generate VERSION file in BashVar + FILEOUT_VERSION="$(dateTimeShort)..VERSION"; + CONTENT_VERSION="$(dateTimeShort):$(basename "$0")"" Version:""$SCRIPT_VERSION"; + # Create BashVar as file FILEOUT_VERSION and write-append to PATHOUT_TAR + appendArgTar "$CONTENT_VERSION" "$FILEOUT_VERSION" "$PATHOUT_TAR" "$DIR_TMP"; +} # bkgpslog: write version data to PATHOUT_TAR via appendArgTar() 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()."; + + # Validate PATHOUT_TAR as tar. + checkMakeTar "$PATHOUT_TAR"; + ## Add VERSION file if checkMakeTar had to create a tar (exited 1) or replace one (exited 2) + if [[ $? -eq 1 ]] || [[ $? -eq 2 ]]; then magicWriteVersion; fi + + # Write bufferBash to PATHOUT_TAR appendArgTar "$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 + 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()." + yell "DEBUG:STATUS:$FN:Finished magicWriteBuffer()."; } # bkgpslog write function - main() { processArguments "$@" # Process arguments. @@ -738,7 +807,7 @@ main() { 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. @@ -747,7 +816,7 @@ main() { displayMissing; yell "Exiting."; exit 1; fi # Set script lifespan - setScriptTTL "$SCRIPT_TTL"; + setScriptTTL "$SCRIPT_TTL"; # seconds until next new SCRIPT_TTL (ex: "day" or "hour") # File name substring: encoded bufferTTL bufferTTL_STR="$(timeDuration $BUFFER_TTL)"; @@ -759,33 +828,10 @@ main() { ## Define output tar path (note: each day gets *one* tar file (Ex: "20200731..hostname_location.[.gpx.gz].tar")) PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \ vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR"; - ## Write bkgpslog version to DIR_TMP/VERSION - FILEOUT_VERSION="$(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 $PATHOUT_TAR"; + magicWriteVersion; # Record gps data until script lifespan ends declare debugCounter; debugCounter="0"; # set debug counter @@ -794,16 +840,16 @@ main() { # Determine file paths (time is start of buffer period) FILEOUT_BASENAME="$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 @@ -813,21 +859,12 @@ main() { # 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 $PATHOUT_TAR"; # Reset buffer and filenames unset bufferBash FILEOUT_BASENAME PATHOUT_NMEA PATHOUT_GPX PATHOUT_KML PATHOUT_TAR timeBufferStart; @@ -838,7 +875,7 @@ main() { # Remove DIR_TMP try rm -r "$DIR_TMP"; - vbm "STATUS:Main function finished." + vbm "STATUS:Main function finished."; } # Main function. #===END Declare local script functions=== #==END Define script parameters==