5cfa7cc266135c81654947f42840e4b75266037c
[EVA-2020-02.git] / exec / bkgpslog
1 #!/bin/bash
2
3 # Author: Steven Baltakatei Sandoval
4
5 #== Variable Initialization ==
6
7 #== Global constants ==
8 PATH="/usr/local/bin/:$PATH" # Add default OpenTimestamps path to PATH (necessary if cron used to call this script)
9 PATH="/opt/bktei:$PATH" # Add default baltakatei script install directory to PATH (necessary for other bk scripts)
10 SCRIPT_HOSTNAME=$(hostname) # Save hostname of system running this script.
11 SCRIPT_VERSION="bkgpslog 0.0.1" # Define version of script.
12 SCRIPT_TIME_SHORT="$(date +%Y%m%dT%H%M%S%z)" # Save current date & time in ISO-8601 format.
13 SCRIPT_DATE_SHORT="$(date +%Y%m%d)" # Save current date in ISO-8601 format.
14 #DIROUT1="/home/pi/Sync/Evanescent_Location" # Define output directory.
15
16 #== Function Definitions ==
17 echoerr() {
18 echo "$@" 1>&2; # Define stderr echo function.
19 } # Define stderr message function.
20 showUsage() {
21 echoerr "USAGE:"
22 echoerr " bkgpslog.sh [ options ]"
23 echoerr
24 echoerr "OPTIONS:"
25 echoerr " -h, --help"
26 echoerr " Display help information."
27 echoerr
28 echoerr " --version"
29 echoerr " Display script version."
30 echoerr
31 echoerr " -v, --verbose"
32 echoerr " Display debugging info."
33 echoerr
34 echoerr " -o, --output [ directory ]"
35 echoerr " Specify output directory to save logs."
36 } # Display information on how to use this script.
37 showVersion() {
38 echoerr "$SCRIPT_VERSION"
39 } # Display script version.
40 vbm() {
41 if [ $OPTION_VERBOSE -eq "true" ]; then
42 echoerr "$@"
43 fi
44 } # Verbose message display function.
45 processArguments() {
46 while [ ! $# -eq 0 ]; do # While number of arguments ($#) is not (!) equal to (-eq) zero (0).
47 echoerr "DEBUG:Starting processArguments while loop."
48 echoerr "DEBUG:Provided arguments are:""$@"
49 case "$1" in
50 --h | --help) showUsage; exit 1;; # Display usage.
51 --version) showVersion; exit 1;; # Show version
52 --v | --verbose) OPTION_VERBOSE="true"; vbm "DEBUG:Verbose mode enabled.";; # Enable verbose mode.
53 --o | --output) if [ -d "$2" ]; then DIROUT1="$2"; fi ;; # Define output directory.
54 *) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
55 esac
56 shift
57 done
58 } # Argument Processing
59 checkExecutables() {
60
61 } # Check that certain executables exist.
62
63 main() {
64 processArguments # Process arguments.
65 checkExecutables "gpspipe" # Confirm that executables necessary to run are available.
66 } # Main function.
67
68
69
70
71
72
73 if [[ -d "$DIROUT1" ]] && command -v "gpspipe" 1>/dev/null 2>/dev/null ; then
74 while true; do
75 #echoerr "DEBUG:Starting while loop."
76 # Update time constants
77 TIME_CURRENT="$(date --iso-8601=seconds)" ;
78 #echoerr "DEBUG:TIME_CURRENT is:""$TIME_CURRENT" ;
79 TIME_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%dT%H%M%S%z)"
80 #echoerr "DEBUG:TIME_CURRENT_SHORT is""$TIME_CURRENT_SHORT"
81 DATE_CURRENT="$(date -d "$TIME_CURRENT" --iso-8601=date)" ;
82 #echoerr "DEBUG:DATE_CURRENT is:""$DATE_CURRENT" ;
83 DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)" ;
84 #echoerr "DEBUG:DATE_CURRENT is:""$DATE_CURRENT_SHORT" ;
85 DATE_TOMORROW="$(date -d "$TIME_CURRENT next day" --iso-8601=date)" ;
86 #echoerr "DEBUG:DATE_TOMORROW is:""$DATE_TOMORROW" ;
87 TIME_NEXT_MIDNIGHT="$(date -d "$DATE_TOMORROW" --iso-8601=seconds)" ;
88 #echoerr "DEBUG:TIME_NEXT_MIDNIGHT is:""$TIME_NEXT_MIDNIGHT" ;
89 SECONDS_UNTIL_NEXT_MIDNIGHT="$(( $(date +%s -d "$TIME_NEXT_MIDNIGHT") - $(date +%s -d "$TIME_CURRENT") ))" ;
90 #echoerr "DEBUG:SECONDS_UNTIL_NEXT_MIDNIGHT is:""$SECONDS_UNTIL_NEXT_MIDNIGHT" ;
91 if [ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -eq 0 ]; then echoerr "WARNING:Is it exactly midnight?" ; continue; fi ; # Exit loop early if equal to 0 because "timeout 0s" never ends.
92 if [ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -lt 0 ]; then echoerr "ERROR:Time until midnight error." ; exit 1; fi ; # Exit script if equal to 0 because "timeout 0s" never ends.
93
94 # Update output file names.
95 DIROUTN="$DIROUT1" ;
96 FILEOUTN="$DATE_CURRENT_SHORT""..""$(hostname)""_location.nmea" ;
97
98 # Append location log until midnight.
99 timeout "$SECONDS_UNTIL_NEXT_MIDNIGHT""s" gpspipe -r 1>> "$DIROUTN"/"$FILEOUTN" 2>>/dev/null ; # log raw nmea data
100 done
101
102 #gpspipe -r -d -l -o "$DIROUT1"/"$FILEOUT1" ;
103
104 else
105 echo "$SCRIPT_TIME_SHORT"">gpspipe or $DIROUT1 not found." >> ~/"$SCRIPT_DATE_SHORT"..error.log ;
106 fi