test(bkgpslog):Bump version number to 0.3.0
[EVA-2020-02.git] / exec / bkgpslog
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1#!/bin/bash
2
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3# Desc: Records gps data until midnight
4# Author: Steven Baltakatei Sandoval; License: GPLv3+
aa2a49f1 5# Usage: bkgpslog -o [output dir]
032f4b05 6
8fbca23d 7#==BEGIN Define script parameters==
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8## Logging Behavior parameters
9BUFFER_TTL="60"; # time between file writes
10SCRIPT_TTL="day"; # (day|hour)
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11#### TZ="UTC"; export TZ; # Default time zone; overridden by '--time-zone=[str]' option
12DIR_TMP_DEFAULT="/dev/shm"; # Default parent of working directory
6c30388f 13
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14SCRIPT_TIME_START=$(date +%Y%m%dT%H%M%S.%N);
15PATH="$HOME/.local/bin:$PATH"; # Add "$(systemd-path user-binaries)" path in case apps saved there
16SCRIPT_HOSTNAME=$(hostname); # Save hostname of system running this script.
a96495d3 17SCRIPT_VERSION="0.3.0"; # Define version of script.
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18SCRIPT_NAME="bkgpslog"; # Define basename of script file.
19SCRIPT_URL="https://gitlab.com/baltakatei/ninfacyzga-01"; # Define wesite hosting this script.
20AGE_VERSION="1.0.0-beta2"; # Define version of age (encryption program)
21AGE_URL="https://github.com/FiloSottile/age/releases/tag/v1.0.0-beta2"; # Define website hosting age.
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22
23declare -Ag appRollCall # Associative array for storing app status
24declare -Ag fileRollCall # Associative array for storing file status
25declare -Ag dirRollCall # Associative array for storing dir status
17d49005 26declare -a recPubKeys # for processArguments function
77361307 27declare recipients # for main function
8fbca23d 28
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29## Initialize variables
30OPTION_VERBOSE=""; OPTION_ENCRYPT=""; OPTION_COMPRESS=""; OPTION_TMPDIR="";
31
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32#===BEGIN Declare local script functions===
33checkapp() {
34 # Desc: If arg is a command, save result in assoc array 'appRollCall'
35 # Usage: checkapp arg1 arg2 arg3 ...
36 # Input: global assoc. array 'appRollCall'
37 # Output: adds/updates key(value) to global assoc array 'appRollCall'
38 local returnState
39 #echo "DEBUG:$(date +%S.%N)..Starting checkapp function."
40 #echo "DEBUG:args: $@"
41 #echo "DEBUG:returnState:$returnState"
42
43 #===Process Args===
44 for arg in "$@"; do
45 #echo "DEBUG:processing arg:$arg"
0b3dde05 46 if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
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47 appRollCall[$arg]="true";
48 #echo "DEBUG:appRollCall[$arg]:"${appRollCall[$arg]}
49 if ! [ "$returnState" = "false" ]; then returnState="true"; fi
50 else
51 appRollCall[$arg]="false"; returnState="false";
52 fi
53 done
54
55 #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
56 #echo "DEBUG:evaluating returnstate. returnState:"$returnState
57
58 #===Determine function return code===
59 if [ "$returnState" = "true" ]; then
60 #echo "DEBUG:checkapp returns true for $arg";
61 return 0;
62 else
63 #echo "DEBUG:checkapp returns false for $arg";
64 return 1;
65 fi
66} # Check that app exists
67checkfile() {
68 # Desc: If arg is a file path, save result in assoc array 'fileRollCall'
69 # Usage: checkfile arg1 arg2 arg3 ...
70 # Input: global assoc. array 'fileRollCall'
71 # Output: adds/updates key(value) to global assoc array 'fileRollCall';
72 # Output: returns 0 if app found, 1 otherwise
73 local returnState
74
75 #===Process Args===
76 for arg in "$@"; do
77 #echo "DEBUG:processing arg:$arg"
78 if [ -f "$arg" ]; then
79 fileRollCall["$arg"]="true";
80 #echo "DEBUG:fileRollCall[\"$arg\"]:"${fileRollCall["$arg"]}
81 if ! [ "$returnState" = "false" ]; then returnState="true"; fi
82 else
83 fileRollCall["$arg"]="false"; returnState="false";
84 fi
85 done
86
87 #for key in "${!fileRollCall[@]}"; do echo "DEBUG:fileRollCall key [$key] is:${fileRollCall[$key]}"; done
88 #echo "DEBUG:evaluating returnstate. returnState:"$returnState
89
90 #===Determine function return code===
91 if [ "$returnState" = "true" ]; then
92 #echo "DEBUG:checkapp returns true for $arg";
93 return 0;
94 else
95 #echo "DEBUG:checkapp returns false for $arg";
96 return 1;
97 fi
98} # Check that file exists
99checkdir() {
100 # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
101 # Usage: checkdir arg1 arg2 arg3 ...
102 # Input: global assoc. array 'dirRollCall'
103 # Output: adds/updates key(value) to global assoc array 'dirRollCall';
104 # Output: returns 0 if app found, 1 otherwise
105 local returnState
106
107 #===Process Args===
108 for arg in "$@"; do
109 #echo "DEBUG:processing arg:$arg"
110 if [ -d "$arg" ]; then
111 dirRollCall["$arg"]="true";
112 #echo "DEBUG:dirRollCall[\"$arg\"]:"${dirRollCall["$arg"]}
113 if ! [ "$returnState" = "false" ]; then returnState="true"; fi
bcf09dcc 114 elif [ "$arg" = "" ]; then
8fbca23d 115 dirRollCall["$arg"]="false"; returnState="false";
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116 else
117 returnState="false";
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118 fi
119 done
120
121 #for key in "${!dirRollCall[@]}"; do echo "DEBUG:dirRollCall key [$key] is:${dirRollCall[$key]}"; done
122 #echo "DEBUG:evaluating returnstate. returnState:"$returnState
123
124 #===Determine function return code===
125 if [ "$returnState" = "true" ]; then
126 #echo "DEBUG:checkapp returns true for $arg";
127 return 0;
128 else
129 #echo "DEBUG:checkapp returns false for $arg";
130 return 1;
131 fi
132} # Check that dir exists
032f4b05 133
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134# Yell, Die, Try Three-Fingered Claw technique
135# Ref/Attrib: https://stackoverflow.com/a/25515370
136yell() { echo "$0: $*" >&2; }
137die() { yell "$*"; exit 111; }
138try() { "$@" || die "cannot $*"; }
139
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140echoerr() {
141 echo "$@" 1>&2; # Define stderr echo function.
142} # Define stderr message function.
143showUsage() {
144 echoerr "USAGE:"
94e094d1 145 echoerr " bkgpslog [ options ]"
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146 echoerr
147 echoerr "OPTIONS:"
148 echoerr " -h, --help"
149 echoerr " Display help information."
150 echoerr
151 echoerr " --version"
152 echoerr " Display script version."
153 echoerr
154 echoerr " -v, --verbose"
155 echoerr " Display debugging info."
156 echoerr
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157 echoerr " -e, --encrypt"
158 echoerr " Encrypt output."
159 echoerr
160 echoerr " -r, --recipient [ pubkey string ]"
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161 echoerr " Specify recipient. May be age or ssh pubkey."
162 echoerr " See https://github.com/FiloSottile/age"
17d49005 163 echoerr
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164 echoerr " -o, --output [ directory ]"
165 echoerr " Specify output directory to save logs."
17d49005 166 echoerr
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167 echoerr " -c, --compress"
168 echoerr " Compress output with gzip (before encryption if enabled)."
169 echoerr
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170 echoerr " -z, --time-zone"
171 echoerr " Specify time zone. (ex: \"America/New_York\")"
172 echoerr
173 echoerr " -t, --temp-dir"
174 echoerr " Specify parent directory for temporary working directory."
175 echoerr " Default: \"/dev/shm\""
176 echoerr
17d49005 177 echoerr "EXAMPLE: (bash script lines)"
408a342b 178 echoerr "/bin/bash bkgpslog -e -c \\"
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179 echoerr "-r age1mrmfnwhtlprn4jquex0ukmwcm7y2nxlphuzgsgv8ew2k9mewy3rs8u7su5 \\"
180 echoerr "-r age1ala848kqrvxc88rzaauc6vc5v0fqrvef9dxyk79m0vjea3hagclswu0lgq \\"
181 echoerr "-o ~/Sync/Location"
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182} # Display information on how to use this script.
183showVersion() {
184 echoerr "$SCRIPT_VERSION"
185} # Display script version.
186vbm() {
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187 # Usage: vbm "DEBUG:verbose message here"
188 # Description: Prints verbose message ("vbm") to stderr if OPTION_VERBOSE is set to "true".
189 # Input:
190 # - OPTION_VERBOSE variable set by processArguments function. (ex: "true", "false")
191 # - "$@" positional arguments fed to this function.
192 # Output: stderr
193 # Script function dependencies: echoerr
194 # External function dependencies: echo
195 # Last modified: 2020-04-11T23:57Z
196 # Last modified by: Steven Baltakatei Sandoval
197 # License: GPLv3+
198 # Ref./Attrib:
199
200 if [ "$OPTION_VERBOSE" = "true" ]; then
201 FUNCTION_TIME=$(date --iso-8601=ns); # Save current time in nano seconds.
202 echoerr "[$FUNCTION_TIME] ""$*"; # Display argument text.
032f4b05 203 fi
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204
205 # End function
206 return 0; # Function finished.
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207} # Verbose message display function.
208processArguments() {
209 while [ ! $# -eq 0 ]; do # While number of arguments ($#) is not (!) equal to (-eq) zero (0).
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210 #echoerr "DEBUG:Starting processArguments while loop."
211 #echoerr "DEBUG:Provided arguments are:""$*"
032f4b05 212 case "$1" in
c1bbf9f7 213 -h | --help) showUsage; exit 1;; # Display usage.
032f4b05 214 --version) showVersion; exit 1;; # Show version
c1bbf9f7 215 -v | --verbose) OPTION_VERBOSE="true"; vbm "DEBUG:Verbose mode enabled.";; # Enable verbose mode.
6c30388f 216 -o | --output) if [ -d "$2" ]; then DIR_OUT="$2"; vbm "DEBUG:DIR_OUT:$DIR_OUT"; shift; fi ;; # Define output directory.
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217 -e | --encrypt) OPTION_ENCRYPT="true"; vbm "DEBUG:Encrypted output mode enabled.";;
218 -r | --recipient) # Add 'age' recipient via public key string
405ce7df 219 recPubKeys+=("$2"); vbm "STATUS:pubkey added:""$2"; shift;;
408a342b 220 -c | --compress) OPTION_COMPRESS="true"; vbm "DEBUG:Compressed output mode enabled.";;
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221 -z | --time-zone) try setTimeZoneEV "$2"; shift;;
222 -t | --temp-dir) OPTION_TMPDIR="true" && TMP_DIR_PRIORITY="$2"; shift;;
b0da06ca 223 *) echoerr "ERROR: Unrecognized argument: $1"; echoerr "STATUS:All arguments:$*"; exit 1;; # Handle unrecognized options.
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224 esac
225 shift
226 done
227} # Argument Processing
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228setTimeZoneEV(){
229 # Desc: Set time zone environment variable TZ
230 # Usage: setTimeZoneEV arg1
231 # Input: arg1: 'date'-compatible timezone string (ex: "America/New_York")
232 # TZDIR env var (optional; default: "/usr/share/zoneinfo")
233 # Output: exports TZ
234 # exit code 0 on success
235 # exit code 1 on incorrect number of arguments
236 # exit code 2 if unable to validate arg1
237 # Depends: yell, printenv, bash 5
238 # Tested on: Debian 10
239 ARG1="$1"
240 local tzDir returnState
241 if ! [[ $# -eq 1 ]]; then
242 yell "ERROR:Invalid argument count.";
243 return 1;
244 fi
245
246 # Read TZDIR env var if available
247 if printenv TZDIR 1>/dev/null 2>&1; then
248 tzDir="$(printenv TZDIR)";
249 else
250 tzDir="/usr/share/zoneinfo";
251 fi
252
253 # Validate TZ string
254 if ! [[ -f "$tzDir"/"$ARG1" ]]; then
255 yell "ERROR:Invalid time zone argument.";
256 return 2;
257 else
258 # Export ARG1 as TZ environment variable
259 TZ="$ARG1" && export TZ && returnState="true";
260 fi
261
262 # Determine function return code
263 if [ "$returnState" = "true" ]; then
264 return 0;
265 fi
266} # Exports TZ environment variable
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267timeUntilNextDay(){
268 # Desc: Report seconds until next day.
3395ae22 269 # Version: 1.0.0
c2aaff78 270 # Output: stdout: integer seconds until next day
8fbca23d 271 # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0
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272 # Usage: timeUntilNextDay
273 # Usage: if ! myTTL="$(timeUntilNextDay)"; then yell "ERROR in if statement"; exit 1; fi
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274 # Depends: date 8, echo 8, yell, try
275
c2aaff78 276 local returnState TIME_CURRENT TIME_NEXT_DAY SECONDS_UNTIL_NEXT_DAY
3395ae22 277
8fbca23d 278 TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
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279 TIME_NEXT_DAY="$(date -d "$TIME_CURRENT next day" --iso-8601=date)"; # Produce timestamp of beginning of tomorrow with resolution of 1 second.
280 SECONDS_UNTIL_NEXT_DAY="$(( $(date +%s -d "$TIME_NEXT_DAY") - $(date +%s -d "$TIME_CURRENT") ))" ; # Calculate seconds until closest future midnight (res. 1 second).
281 if [[ "$SECONDS_UNTIL_NEXT_DAY" -gt 0 ]]; then
282 returnState="true";
283 elif [[ "$SECONDS_UNTIL_NEXT_DAY" -eq 0 ]]; then
3395ae22 284 returnState="warning_zero";
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285 yell "WARNING:Reported time until next day exactly zero.";
286 elif [[ "$SECONDS_UNTIL_NEXT_DAY" -lt 0 ]]; then
3395ae22 287 returnState="warning_negative";
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288 yell "WARNING:Reported time until next day is negative.";
289 fi
290
291 try echo "$SECONDS_UNTIL_NEXT_DAY"; # Report
292
3395ae22 293 # Determine function return code
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294 if [[ "$returnState" = "true" ]]; then
295 return 0;
3395ae22 296 elif [[ "$returnState" = "warning_zero" ]]; then
c2aaff78 297 return 1;
3395ae22 298 elif [[ "$returnState" = "warning_negative" ]]; then
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299 return 2;
300 fi
301} # Report seconds until next day
302timeUntilNextHour(){
303 # Desc: Report seconds until next hour
3395ae22 304 # Version 1.0.0
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305 # Output: stdout: integer seconds until next hour
306 # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0
307 # Usage: timeUntilNextHour
308 # Usage: if ! myTTL="$(timeUntilNextHour)"; then yell "ERROR in if statement"; exit 1; fi
3395ae22 309
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310 local returnState TIME_CURRENT TIME_NEXT_HOUR SECONDS_UNTIL_NEXT_HOUR
311 TIME_CURRENT="$(date --iso-8601=seconds)"; # Produce `date`-parsable current timestamp with resolution of 1 second.
312 TIME_NEXT_HOUR="$(date -d "$TIME_CURRENT next hour" --iso-8601=hours)"; # Produce `date`-parsable current time stamp with resolution of 1 second.
313 SECONDS_UNTIL_NEXT_HOUR="$(( $(date +%s -d "$TIME_NEXT_HOUR") - $(date +%s -d "$TIME_CURRENT") ))"; # Calculate seconds until next hour (res. 1 second).
314 if [[ "$SECONDS_UNTIL_NEXT_HOUR" -gt 0 ]]; then
8fbca23d 315 returnState="true";
c2aaff78 316 elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -eq 0 ]]; then
3395ae22 317 returnState="warning_zero";
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318 yell "WARNING:Reported time until next hour exactly zero.";
319 elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -lt 0 ]]; then
3395ae22 320 returnState="warning_negative";
c2aaff78 321 yell "WARNING:Reported time until next hour is negative.";
8fbca23d 322 fi
032f4b05 323
c2aaff78 324 try echo "$SECONDS_UNTIL_NEXT_HOUR"; # Report
8fbca23d 325
3395ae22 326 # Determine function return code
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327 if [[ "$returnState" = "true" ]]; then
328 return 0;
3395ae22 329 elif [[ "$returnState" = "warning_zero" ]]; then
8fbca23d 330 return 1;
3395ae22 331 elif [[ "$returnState" = "warning_negative" ]]; then
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332 return 2;
333 fi
c2aaff78 334} # Report seconds until next hour
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335dateTimeShort(){
336 # Desc: Timestamp without separators (YYYYmmddTHHMMSS+zzzz)
337 # Usage: dateTimeShort
338 # Output: stdout: timestamp (ISO-8601, no separators)
c2aaff78 339 local TIME_CURRENT TIME_CURRENT_SHORT
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340 TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
341 TIME_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%dT%H%M%S%z)"; # Produce separator-less current timestamp with resolution 1 second.
342 echo "$TIME_CURRENT_SHORT";
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343} # Get YYYYmmddTHHMMSS±zzzz
344dateShort(){
345 # Desc: Date without separators (YYYYmmdd)
346 # Usage: dateShort
347 # Output: stdout: date (ISO-8601, no separators)
348 local TIME_CURRENT DATE_CURRENT_SHORT
349 TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
350 DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)"; # Produce separator-less current date with resolution 1 day.
351 echo "$DATE_CURRENT_SHORT";
352} # Get YYYYmmdd
353timeDuration(){
a7b4a273 354 # Desc: Given seconds, output ISO-8601 duration string
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355 # Ref/Attrib: ISO-8601:2004(E), §4.4.4.2 Representations of time intervals by duration and context information
356 # Note: "1 month" ("P1M") is assumed to be "30 days" (see ISO-8601:2004(E), §2.2.1.2)
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357 # Usage: timeDuration [1:seconds] ([2:precision])
358 # Version: 1.0.3
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359 # Input: arg1: seconds as base 10 integer >= 0 (ex: 3601)
360 # arg2: precision level (optional; default=2)
361 # Output: stdout: ISO-8601 duration string (ex: "P1H1S", "P2Y10M15DT10H30M20S")
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362 # exit code 0: success
363 # exit code 1: error_input
364 # exit code 2: error_unknown
6c30388f 365 # Example: 'timeDuration 111111 3' yields 'P1DT6H51M'
3395ae22 366 # Depends: date 8 (gnucoreutils), yell,
a7b4a273 367 local returnState argSeconds argPrecision remainder precision witherPrecision
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368 local fullYears fullMonths fullDays fullHours fullMinutes fullSeconds
369 local displayYears displayMonths displayDays displayHours displayMinutes displaySeconds
370 local hasYears hasMonths hasDays hasHours hasMinutes hasSeconds
371
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372 argSeconds="$1"; # read arg1 (seconds)
373 argPrecision="$2"; # read arg2 (precision)
6c30388f 374 precision=2; # set default precision
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375
376 # Check that between one and two arguments is supplied
377 if ! { [[ $# -ge 1 ]] && [[ $# -le 2 ]]; }; then
378 yell "ERROR:Invalid number of arguments:$# . Exiting.";
a7b4a273 379 returnState="error_input"; fi
6c30388f 380
a7b4a273 381 # Check that argSeconds provided
6c30388f 382 if [[ $# -ge 1 ]]; then
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383 ## Check that argSeconds is a positive integer
384 if [[ "$argSeconds" =~ ^[[:digit:]]+$ ]]; then
3395ae22 385 :
6c30388f 386 else
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387 yell "ERROR:argSeconds not a digit.";
388 returnState="error_input";
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389 fi
390 else
391 yell "ERROR:No argument provided. Exiting.";
392 exit 1;
393 fi
394
a7b4a273 395 # Consider whether argPrecision was provided
6c30388f 396 if [[ $# -eq 2 ]]; then
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397 # Check that argPrecision is a positive integer
398 if [[ "$argPrecision" =~ ^[[:digit:]]+$ ]] && [[ "$argPrecision" -gt 0 ]]; then
399 precision="$argPrecision";
6c30388f 400 else
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401 yell "ERROR:argPrecision not a positive integer. (is $argPrecision ). Leaving early.";
402 returnState="error_input";
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403 fi;
404 else
3395ae22 405 :
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406 fi;
407
a7b4a273 408 remainder="$argSeconds" ; # seconds
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409 ## Calculate full years Y, update remainder
410 fullYears=$(( remainder / (365*24*60*60) ));
411 remainder=$(( remainder - (fullYears*365*24*60*60) ));
412 ## Calculate full months M, update remainder
413 fullMonths=$(( remainder / (30*24*60*60) ));
414 remainder=$(( remainder - (fullMonths*30*24*60*60) ));
415 ## Calculate full days D, update remainder
416 fullDays=$(( remainder / (24*60*60) ));
417 remainder=$(( remainder - (fullDays*24*60*60) ));
418 ## Calculate full hours H, update remainder
419 fullHours=$(( remainder / (60*60) ));
420 remainder=$(( remainder - (fullHours*60*60) ));
421 ## Calculate full minutes M, update remainder
422 fullMinutes=$(( remainder / (60) ));
423 remainder=$(( remainder - (fullMinutes*60) ));
424 ## Calculate full seconds S, update remainder
425 fullSeconds=$(( remainder / (1) ));
426 remainder=$(( remainder - (remainder*1) ));
427 ## Check which fields filled
428 if [[ $fullYears -gt 0 ]]; then hasYears="true"; else hasYears="false"; fi
429 if [[ $fullMonths -gt 0 ]]; then hasMonths="true"; else hasMonths="false"; fi
430 if [[ $fullDays -gt 0 ]]; then hasDays="true"; else hasDays="false"; fi
431 if [[ $fullHours -gt 0 ]]; then hasHours="true"; else hasHours="false"; fi
432 if [[ $fullMinutes -gt 0 ]]; then hasMinutes="true"; else hasMinutes="false"; fi
433 if [[ $fullSeconds -gt 0 ]]; then hasSeconds="true"; else hasSeconds="false"; fi
434
435 ## Determine which fields to display (see ISO-8601:2004 §4.4.3.2)
436 witherPrecision="false"
437
438 ### Years
439 if $hasYears && [[ $precision -gt 0 ]]; then
440 displayYears="true";
441 witherPrecision="true";
442 else
443 displayYears="false";
444 fi;
445 if $witherPrecision; then ((precision--)); fi;
446
447 ### Months
448 if $hasMonths && [[ $precision -gt 0 ]]; then
449 displayMonths="true";
450 witherPrecision="true";
451 else
452 displayMonths="false";
453 fi;
454 if $witherPrecision && [[ $precision -gt 0 ]]; then
455 displayMonths="true";
456 fi;
457 if $witherPrecision; then ((precision--)); fi;
458
459 ### Days
460 if $hasDays && [[ $precision -gt 0 ]]; then
461 displayDays="true";
462 witherPrecision="true";
463 else
464 displayDays="false";
465 fi;
466 if $witherPrecision && [[ $precision -gt 0 ]]; then
467 displayDays="true";
468 fi;
469 if $witherPrecision; then ((precision--)); fi;
470
471 ### Hours
472 if $hasHours && [[ $precision -gt 0 ]]; then
473 displayHours="true";
474 witherPrecision="true";
475 else
476 displayHours="false";
477 fi;
478 if $witherPrecision && [[ $precision -gt 0 ]]; then
479 displayHours="true";
480 fi;
481 if $witherPrecision; then ((precision--)); fi;
482
483 ### Minutes
484 if $hasMinutes && [[ $precision -gt 0 ]]; then
485 displayMinutes="true";
486 witherPrecision="true";
487 else
488 displayMinutes="false";
489 fi;
490 if $witherPrecision && [[ $precision -gt 0 ]]; then
491 displayMinutes="true";
492 fi;
493 if $witherPrecision; then ((precision--)); fi;
494
495 ### Seconds
496
497 if $hasSeconds && [[ $precision -gt 0 ]]; then
498 displaySeconds="true";
499 witherPrecision="true";
500 else
501 displaySeconds="false";
502 fi;
503 if $witherPrecision && [[ $precision -gt 0 ]]; then
504 displaySeconds="true";
505 fi;
506 if $witherPrecision; then ((precision--)); fi;
507
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508 ## Determine whether or not the "T" separator is needed to separate date and time elements
509 if ( $displayHours || $displayMinutes || $displaySeconds); then
510 displayDateTime="true"; else displayDateTime="false"; fi
511
512 ## Construct duration output string
513 OUTPUT="P"
514 if $displayYears; then
515 OUTPUT=$OUTPUT$fullYears"Y"; fi
516 if $displayMonths; then
517 OUTPUT=$OUTPUT$fullMonths"M"; fi
518 if $displayDays; then
519 OUTPUT=$OUTPUT$fullDays"D"; fi
520 if $displayDateTime; then
521 OUTPUT=$OUTPUT"T"; fi
522 if $displayHours; then
523 OUTPUT=$OUTPUT$fullHours"H"; fi
524 if $displayMinutes; then
525 OUTPUT=$OUTPUT$fullMinutes"M"; fi
526 if $displaySeconds; then
527 OUTPUT=$OUTPUT$fullSeconds"S"; fi
528
529 ## Output duration string to stdout
a7b4a273 530 echo "$OUTPUT" && returnState="true";
6c30388f
SBS
531
532 #===Determine function return code===
533 if [ "$returnState" = "true" ]; then
534 return 0;
a7b4a273
SBS
535 elif [ "$returnState" = "error_input" ]; then
536 yell "ERROR:input";
6c30388f 537 return 1;
a7b4a273
SBS
538 else
539 yell "ERROR:Unknown";
540 return 2;
6c30388f
SBS
541 fi
542
543} # Get duration (ex: PT10M4S )
544displayMissing() {
545 # Desc: Displays missing apps, files, and dirs
546 # Usage: displayMissing
547 # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
548 # Output: stderr messages
549 #==BEGIN Display errors==
550 #===BEGIN Display Missing Apps===
551 missingApps="Missing apps :"
552 #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
553 for key in "${!appRollCall[@]}"; do
554 value="${appRollCall[$key]}"
555 if [ "$value" = "false" ]; then
556 #echo "DEBUG:Missing apps: $key => $value";
557 missingApps="$missingApps""$key "
558 appMissing="true"
559 fi
560 done
561 if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing.
562 echo "$missingApps" 1>&2;
563 fi
564 #===END Display Missing Apps===
565
566 #===BEGIN Display Missing Files===
567 missingFiles="Missing files:"
568 #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
569 for key in "${!fileRollCall[@]}"; do
570 value="${fileRollCall[$key]}"
571 if [ "$value" = "false" ]; then
572 #echo "DEBUG:Missing files: $key => $value";
573 missingFiles="$missingFiles""$key "
574 fileMissing="true"
575 fi
576 done
577 if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing.
578 echo "$missingFiles" 1>&2;
579 fi
580 #===END Display Missing Files===
581
582 #===BEGIN Display Missing Directories===
583 missingDirs="Missing dirs:"
584 #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
585 for key in "${!dirRollCall[@]}"; do
586 value="${dirRollCall[$key]}"
587 if [ "$value" = "false" ]; then
588 #echo "DEBUG:Missing dirs: $key => $value";
589 missingDirs="$missingDirs""$key "
590 dirMissing="true"
591 fi
592 done
593 if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing.
594 echo "$missingDirs" 1>&2;
595 fi
596 #===END Display Missing Directories===
597
598 #==END Display errors==
599} # Display missing apps, files, dirs
600setScriptTTL() {
601 #Desc: Sets script TTL
602 #Usage: setScriptTTL arg1
603 #Input: arg1: "day" or "hour"
604 #Output: scriptTTL
605 #Depends: timeUntilNextHour or timeUntilNextDay
606 local ARG1
607 ARG1="$1"
608 if [[ "$ARG1" = "day" ]]; then
609 # Set script lifespan to end at start of next day
610 if ! scriptTTL="$(timeUntilNextDay)"; then
611 if [[ "$scriptTTL" -eq 0 ]]; then
612 ((scriptTTL++)); # Add 1 because 0 would cause 'timeout' to never timeout.
613 else
614 yell "ERROR: timeUntilNextDay exit code $?"; exit 1;
615 fi;
616 fi;
617 elif [[ "$ARG1" = "hour" ]]; then
618 # Set script lifespan to end at start of next hour
619 if ! scriptTTL="$(timeUntilNextHour)"; then
620 if [[ "$scriptTTL" -eq 0 ]]; then
621 ((scriptTTL++)); # Add 1 because 0 would cause 'timeout' to never timeout.
622 else
623 yell "ERROR: timeUntilNextHour exit code $?"; exit 1;
624 fi;
625 fi;
626 else
627 yell "ERROR:Invalid argument for setScriptTTL function."; exit 1;
628 fi
629} # Seconds until next (day|hour).
f6fb18bd
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630checkMakeTar() {
631 # Desc: Checks that a valid tar archive exists, creates one otherwise
632 # Usage: checkMakeTar [ path ]
2fc10824 633 # Version: 1.0.1
f6fb18bd 634 # Input: arg1: path of tar archive
2fc10824
SBS
635 # Output: exit code 0 : tar readable
636 # exit code 1 : tar missing; created
637 # exit code 2 : tar not readable; moved; replaced
f6fb18bd 638 # Depends: try, tar, date
2fc10824
SBS
639 local PATH_TAR returnFlag0 returnFlag1 returnFlag2
640 PATH_TAR="$1"
f6fb18bd
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641
642 # Check if file is a valid tar archive
643 if tar --list --file="$PATH_TAR" 1>/dev/null 2>&1; then
644 ## T1: return success
2fc10824 645 returnFlag0="tar valid";
f6fb18bd
SBS
646 else
647 ## F1: Check if file exists
648 if [[ -f "$PATH_TAR" ]]; then
649 ### T: Rename file
2fc10824
SBS
650 try mv "$PATH_TAR" "$PATH_TAR""--broken--""$(date +%Y%m%dT%H%M%S)" && \
651 returnFlag1="tar moved";
f6fb18bd
SBS
652 else
653 ### F: -
654 :
655 fi
656 ## F2: Create tar archive, return 0
2fc10824
SBS
657 try tar --create --file="$PATH_TAR" --files-from=/dev/null && \
658 returnFlag2="tar created";
659 fi
660
661 # Determine function return code
662 if [[ "$returnFlag0" = "tar valid" ]]; then
f6fb18bd 663 return 0;
2fc10824
SBS
664 elif [[ "$returnFlag2" = "tar created" ]] && ! [[ "$returnFlag1" = "tar moved" ]]; then
665 return 1; # tar missing so created
666 elif [[ "$returnFlag2" = "tar created" ]] && [[ "$returnFlag1" = "tar moved" ]]; then
667 return 2; # tar not readable so moved; replaced
f6fb18bd
SBS
668 fi
669} # checks if arg1 is tar; creates one otherwise
66af6225
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670appendArgTar(){
671 # Desc: Writes first argument to temporary file with arguments as options, then appends file to tar
672 # Usage: writeArg "$(echo "Data to be written.")" [name of file to be inserted] [tar path] [temp dir] ([cmd1] [cmd2] [cmd3] [cmd4]...)
673 # Input: arg1: data to be written
674 # arg2: file name of file to be inserted into tar
675 # arg3: tar archive path (must exist first)
676 # arg4: temporary working dir
677 # arg5+: command strings (ex: "gpsbabel -i nmea -f - -o kml -F - ")
678 # Output: file written to disk
679 # Example: decrypt multiple large files in parallel
680 # appendArgTar "$(cat /tmp/largefile1.gpg)" "largefile1" $HOME/archive.tar /tmp "gpg --decrypt" &
681 # appendArgTar "$(cat /tmp/largefile2.gpg)" "largefile2" $HOME/archive.tar /tmp "gpg --decrypt" &
682 # appendArgTar "$(cat /tmp/largefile3.gpg)" "largefile3" $HOME/archive.tar /tmp "gpg --decrypt" &
66af6225
SBS
683 # Depends: bash 5
684
d9fe1eba
SBS
685 # Save function name
686 local FN="${FUNCNAME[0]}"
687 yell "DEBUG:STATUS:$FN:Finished appendArgTar()."
688
66af6225 689 # Set file name
d9fe1eba 690 if ! [ -z "$2" ]; then FILENAME="$2"; else yell "ERROR:$FN:Not enough arguments."; exit 1; fi
66af6225
SBS
691
692 # Check tar path is a file
d9fe1eba 693 if [ -f "$3" ]; then TAR_PATH="$3"; else yell "ERROR:$FN:Tar archive arg not a file."; exit 1; fi
66af6225
SBS
694
695 # Check temp dir arg
d9fe1eba 696 if ! [ -z "$4" ]; then TMP_DIR="$4"; else yell "ERROR:$FN:No temporary working dir set."; exit 1; fi
66af6225
SBS
697
698 # Set command strings
699 if ! [ -z "$5" ]; then CMD1="$5"; else CMD1="tee /dev/null "; fi # command string 1
700 if ! [ -z "$6" ]; then CMD2="$6"; else CMD2="tee /dev/null "; fi # command string 2
701 if ! [ -z "$7" ]; then CMD3="$7"; else CMD3="tee /dev/null "; fi # command string 3
702 if ! [ -z "$8" ]; then CMD4="$8"; else CMD4="tee /dev/null "; fi # command string 4
703
704 # Debug
d9fe1eba
SBS
705 yell "STATUS:$FN:CMD1:$CMD1"
706 yell "STATUS:$FN:CMD2:$CMD2"
707 yell "STATUS:$FN:CMD3:$CMD3"
708 yell "STATUS:$FN:CMD4:$CMD4"
709 yell "STATUS:$FN:FILENAME:$FILENAME"
710 yell "STATUS:$FN:TAR_PATH:$TAR_PATH"
711 yell "STATUS:$FN:TMP_DIR:$TMP_DIR"
66af6225
SBS
712 # Write to temporary working dir
713 echo "$1" | $CMD1 | $CMD2 | $CMD3 | $CMD4 > "$TMP_DIR"/"$FILENAME";
714
715 # Append to tar
716 try tar --append --directory="$TMP_DIR" --file="$TAR_PATH" "$FILENAME";
d9fe1eba 717 yell "DEBUG:STATUS:$FN:Finished appendArgTar()."
66af6225 718} # Append Bash var to file appended to Tar archive
3395ae22
SBS
719magicWriteVersion() {
720 # Desc: Appends time-stamped VERSION to PATHOUT_TAR
721 # Usage: magicWriteVersion
ff22a93f 722 # Version: 0.1.0
3395ae22 723 # Input: CONTENT_VERSION, FILEOUT_VERSION, PATHOUT_TAR, DIR_TMP
ff22a93f
SBS
724 # Input: SCRIPT_VERSION, SCRIPT_URL, AGE_VERSION, AGE_URL, SCRIPT_HOSTNAME
725 # Output: appends tar PATHOUT_TAR
3395ae22 726 # Depends: dateTimeShort, appendArgTar
ff22a93f 727 local CONTENT_VERSION pubKeyIndex
3395ae22 728
ff22a93f 729 # Set VERSION file name
3395ae22 730 FILEOUT_VERSION="$(dateTimeShort)..VERSION";
ff22a93f
SBS
731
732 # Gather VERSION data in CONTENT_VERSION
733 CONTENT_VERSION="SCRIPT_VERSION=$SCRIPT_VERSION";
aa2d7921
SBS
734 #CONTENT_VERSION="$CONTENT_VERSION""\\n";
735 CONTENT_VERSION="$CONTENT_VERSION""\\n""SCRIPT_NAME=$SCRIPT_NAME";
736 CONTENT_VERSION="$CONTENT_VERSION""\\n""SCRIPT_URL=$SCRIPT_URL";
737 CONTENT_VERSION="$CONTENT_VERSION""\\n""AGE_VERSION=$AGE_VERSION";
738 CONTENT_VERSION="$CONTENT_VERSION""\\n""AGE_URL=$AGE_URL";
739 CONTENT_VERSION="$CONTENT_VERSION""\\n""DATE=$(date --iso-8601=seconds)";
740 CONTENT_VERSION="$CONTENT_VERSION""\\n""HOSTNAME=$SCRIPT_HOSTNAME";
ff22a93f
SBS
741 ## Add list of recipient pubkeys
742 for pubkey in "${recPubKeysValid[@]}"; do
743 ((pubKeyIndex++))
aa2d7921 744 CONTENT_VERSION="$CONTENT_VERSION""\\n""PUBKEY_$pubKeyIndex=$pubkey";
ff22a93f
SBS
745 done
746 ## Process newline escapes
4c0c5850
SBS
747 CONTENT_VERSION="$(echo -e "$CONTENT_VERSION")"
748
ff22a93f 749 # Write CONTENT_VERSION as file FILEOUT_VERSION and write-append to PATHOUT_TAR
3395ae22 750 appendArgTar "$CONTENT_VERSION" "$FILEOUT_VERSION" "$PATHOUT_TAR" "$DIR_TMP";
ff22a93f 751
3395ae22 752} # bkgpslog: write version data to PATHOUT_TAR via appendArgTar()
66af6225
SBS
753magicWriteBuffer() {
754 # Desc: bkgpslog-specific meta function for writing data to DIR_TMP then appending each file to PATHOUT_TAR
f6fb18bd
SBS
755 # Inputs: PATHOUT_TAR FILEOUT_{NMEA,GPX,KML} CMD_CONV_{NMEA,GPX,KML} CMD_{COMPRESS,ENCRYPT} DIR_TMP
756 # Depends: yell, try, vbm, appendArgTar, tar
1b0e6227 757 local FN="${FUNCNAME[0]}";
872c737e 758 wait; # Wait to avoid collision with older magicWriteBuffer() instances (see https://www.tldp.org/LDP/abs/html/x9644.html )
f6fb18bd
SBS
759 vbm "DEBUG:STATUS:$FN:Started magicWriteBuffer().";
760
3395ae22
SBS
761 # Validate PATHOUT_TAR as tar.
762 checkMakeTar "$PATHOUT_TAR";
763 ## Add VERSION file if checkMakeTar had to create a tar (exited 1) or replace one (exited 2)
764 if [[ $? -eq 1 ]] || [[ $? -eq 2 ]]; then magicWriteVersion; fi
f6fb18bd
SBS
765
766 # Write bufferBash to PATHOUT_TAR
66af6225 767 appendArgTar "$bufferBash" "$FILEOUT_NMEA" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_NMEA" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write NMEA data
8e83fee8
SBS
768 appendArgTar "$bufferBash" "$FILEOUT_GPX" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_GPX" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write GPX file
769 appendArgTar "$bufferBash" "$FILEOUT_KML" "$PATHOUT_TAR" "$DIR_TMP" "$CMD_CONV_KML" "$CMD_COMPRESS" "$CMD_ENCRYPT"; # Write KML file
e0452100
SBS
770 # Remove secured chunks from DIR_TMP
771 try rm "$PATHOUT_NMEA" "$PATHOUT_GPX" "$PATHOUT_KML";
1b0e6227 772 yell "DEBUG:STATUS:$FN:Finished magicWriteBuffer().";
66af6225
SBS
773} # bkgpslog write function
774
032f4b05 775main() {
0b3dde05 776 processArguments "$@" # Process arguments.
cfc25c90 777
aa2a49f1 778 # Determine working directory
cfc25c90
SBS
779 ## Set DIR_TMP_PARENT to user-specified value if specified
780 if [[ "$OPTION_TMPDIR" = "true" ]]; then
781 if [[ -d "$TMP_DIR_PRIORITY" ]]; then
782 DIR_TMP_PARENT="$OPTION_TMPDIR";
783 else
66af6225 784 yell "WARNING:Specified temporary working directory not valid:$OPTION_TMPDIR";
cfc25c90
SBS
785 exit 1;
786 fi
787 fi
788
789 ## Set DIR_TMP_PARENT to default or fallback otherwise
aa2a49f1 790 if [[ -d "$DIR_TMP_DEFAULT" ]]; then
cfc25c90
SBS
791 DIR_TMP_PARENT="$DIR_TMP_DEFAULT";
792 elif [[ -d /tmp ]]; then
793 yell "WARNING:/dev/shm not available. Falling back to /tmp .";
794 DIR_TMP_PARENT="/tmp";
aa2a49f1
SBS
795 else
796 yell "ERROR:No valid working directory available. Exiting.";
797 exit 1;
798 fi
cfc25c90
SBS
799
800 ## Set DIR_TMP using DIR_TMP_PARENT and nonce (SCRIPT_TIME_START)
0f4d2d90 801 DIR_TMP="$DIR_TMP_PARENT"/"$SCRIPT_TIME_START""..bkgpslog" && vbm "DEBUG:Set DIR_TMP to:$DIR_TMP"; # Note: removed at end of main().
aa2a49f1 802
6c30388f 803 # Set output encryption and compression option strings
17d49005
SBS
804 if [[ "$OPTION_ENCRYPT" = "true" ]]; then # Check if encryption option active.
805 if checkapp age; then # Check that age is available.
806 for pubkey in "${recPubKeys[@]}"; do # Validate recipient pubkey strings by forming test message
807 vbm "DEBUG:Testing pubkey string:$pubkey"
408a342b 808 if echo "butts" | age -a -r "$pubkey" 1>/dev/null; then
ff22a93f 809 #### Form age recipient string
77361307 810 recipients="$recipients""-r $pubkey ";
405ce7df 811 vbm "STATUS:Added pubkey for forming age recipient string:""$pubkey";
77361307 812 vbm "DEBUG:recipients:""$recipients";
ff22a93f
SBS
813 #### Add validated pubkey to recPubKeysValid array
814 recPubKeysValid+=("$pubkey") && vbm "DEBUG:recPubkeysValid:pubkey added:$pubkey";
408a342b
SBS
815 else
816 yell "ERROR:Exit code ""$?"". Invalid recipient pubkey string. Exiting."; exit 1;
77361307 817 fi
17d49005 818 done
77361307 819 vbm "DEBUG:Finished processing recPubKeys array";
ff22a93f
SBS
820
821 ## Form age command string
c97313bf 822 CMD_ENCRYPT="age ""$recipients ";
408a342b 823 CMD_ENCRYPT_SUFFIX=".age";
17d49005
SBS
824 else
825 yell "ERROR:Encryption enabled but \"age\" not found. Exiting."; exit 1;
826 fi
408a342b 827 else
c97313bf 828 CMD_ENCRYPT="tee /dev/null ";
408a342b
SBS
829 CMD_ENCRYPT_SUFFIX="";
830 vbm "DEBUG:Encryption not enabled."
17d49005 831 fi
408a342b
SBS
832 if [[ "$OPTION_COMPRESS" = "true" ]]; then # Check if compression option active
833 if checkapp gzip; then # Check if gzip available
c97313bf 834 CMD_COMPRESS="gzip ";
408a342b
SBS
835 CMD_COMPRESS_SUFFIX=".gz";
836 else
837 yell "ERROR:Compression enabled but \"gzip\" not found. Exiting."; exit 1;
286d9825 838 fi
408a342b 839 else
c97313bf 840 CMD_COMPRESS="tee /dev/null ";
408a342b 841 CMD_COMPRESS_SUFFIX="";
1b0e6227 842 vbm "DEBUG:Compression not enabled.";
408a342b 843 fi
032f4b05 844
6c30388f
SBS
845 # Check that critical apps and dirs are available, displag missing ones.
846 if ! checkapp gpspipe tar && ! checkdir "$DIR_OUT" "/dev/shm"; then
847 yell "ERROR:Critical components missing.";
848 displayMissing; yell "Exiting."; exit 1; fi
849
850 # Set script lifespan
3395ae22 851 setScriptTTL "$SCRIPT_TTL"; # seconds until next new SCRIPT_TTL (ex: "day" or "hour")
6c30388f
SBS
852
853 # File name substring: encoded bufferTTL
854 bufferTTL_STR="$(timeDuration $BUFFER_TTL)";
855
856 # Init temp working dir
3a7b92f8 857 try mkdir "$DIR_TMP" && vbm "DEBUG:Working dir creatd at:$DIR_TMP";
6c30388f
SBS
858
859 # Initialize 'tar' archive
860 ## Define output tar path (note: each day gets *one* tar file (Ex: "20200731..hostname_location.[.gpx.gz].tar"))
9efeccb5
SBS
861 PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \
862 vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR";
f6fb18bd
SBS
863 ## Check that PATHOUT_TAR is a tar. Rename old and create empty one otherwise.
864 checkMakeTar "$PATHOUT_TAR" && vbm "DEBUG:Confirmed or Created to be a tar:$PATHOUT_TAR";
6c30388f 865 ## Append VERSION file to PATHOUT_TAR
3395ae22 866 magicWriteVersion;
6c30388f
SBS
867
868 # Record gps data until script lifespan ends
869 declare debugCounter; debugCounter="0"; # set debug counter
6c30388f 870 while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
29ef133a 871 timeBufferStart="$(dateTimeShort)"; # Note start time
6c30388f 872 # Determine file paths (time is start of buffer period)
29ef133a 873 FILEOUT_BASENAME="$timeBufferStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" && vbm "STATUS:Set FILEOUT_BASENAME to:$FILEOUT_BASENAME";
aa2a49f1 874 ## Files saved to DIR_TMP
1b0e6227
SBS
875 FILEOUT_NMEA="$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_NMEA to:$FILEOUT_NMEA";
876 FILEOUT_GPX="$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_GPX to:$FILEOUT_GPX";
877 FILEOUT_KML="$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set FILEOUT_KML to:$FILEOUT_KML";
66af6225
SBS
878 PATHOUT_NMEA="$DIR_TMP"/"$FILEOUT_NMEA" && vbm "STATUS:Set PATHOUT_NMEA to:$PATHOUT_NMEA";
879 PATHOUT_GPX="$DIR_TMP"/"$FILEOUT_GPX" && vbm "STATUS:Set PATHOUT_GPX to:$PATHOUT_GPX";
880 PATHOUT_KML="$DIR_TMP"/"$FILEOUT_KML" && vbm "STATUS:Set PATHOUT_KML to:$PATHOUT_KML";
6c30388f
SBS
881 ## Files saved to disk (DIR_OUT)
882 ### one file per day (Ex: "20200731..hostname_location.[.gpx.gz].tar")
9e75f849 883 PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \
1b0e6227 884 vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR";
6c30388f 885 # Define GPS conversion commands
405ce7df 886 CMD_CONV_NMEA="tee /dev/null " && vbm "STATUS:Set CMD_CONV_NMEA to:$CMD_CONV_NMEA"; # tee as passthrough
66af6225
SBS
887 CMD_CONV_GPX="gpsbabel -i nmea -f - -o gpx -F - " && vbm "STATUS:Set CMD_CONV_GPX to:$CMD_CONV_GPX"; # convert NMEA to GPX
888 CMD_CONV_KML="gpsbabel -i nmea -f - -o kml -F - " && vbm "STATUS:Set CMD_CONV_KML to:$CMD_CONV_KML"; # convert NMEA to KML
6c30388f 889 # Fill Bash variable buffer
18490e2b 890 bufferBash="$(timeout "$BUFFER_TTL""s" gpspipe -r)" && vbm "STATUS:Successfully filled bufferBash variable with gpspipe data."; # Record gpspipe nmea data to buffer for bufferTTL seconds
6c30388f 891 # Process bufferBash, save secured chunk set to DIR_TMP
18490e2b 892 vbm "STATUS:Beginning to save data to $DIR_TMP";
66af6225 893 magicWriteBuffer &
6c30388f 894 # Append each secured chunk in memory dir (DIR_TMP) to file on disk (PATHOUT_TAR in DIR_OUT)
405ce7df
SBS
895 vbm "STATUS:DIR_TMP :$DIR_TMP";
896 vbm "STATUS:PATHOUT_TAR :$PATHOUT_TAR";
897 vbm "STATUS:PATHOUT_NMEA:$PATHOUT_NMEA";
66af6225
SBS
898 vbm "STATUS:PATHOUT_GPX:$PATHOUT_GPX";
899 vbm "STATUS:PATHOUT_KML:$PATHOUT_KML";
e0452100 900
6c30388f 901 # Reset buffer and filenames
29ef133a 902 unset bufferBash FILEOUT_BASENAME PATHOUT_NMEA PATHOUT_GPX PATHOUT_KML PATHOUT_TAR timeBufferStart;
18490e2b 903 vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
6c30388f
SBS
904 ((debugCounter++))
905 done
cfc25c90
SBS
906
907 # Remove DIR_TMP
908 try rm -r "$DIR_TMP";
0aabe6a3 909
1b0e6227 910 vbm "STATUS:Main function finished.";
8fbca23d
SBS
911} # Main function.
912#===END Declare local script functions===
913#==END Define script parameters==
032f4b05
SBS
914
915
8fbca23d
SBS
916#==BEGIN Perform work and exit==
917main "$@" # Run main function.
918exit 0;
919#==END Perform work and exit==