src/constants.sh

   1 #!/bin/sh
   2 # functions, strings and other constants for shell scripts
   3
   4 # for relation between dit unit and speed in words/min
   5 # VVVVV=64, CODEX=60, PARIS=50
   6 SPEEDBASE=50
   7 # default speed [words/minute]
   8 DEFAULTWPM=23
   9 # default priority (ROUTINE)
  10 DEFAULTPRIORITY=42
  11
  12 # timeout [sec] for fetch operations
  13 FETCHTIMEOUT=50
  14
  15 # maximal source polling interval: a bit more than one day
  16 MAXPOLLING=99999
  17 # file for communication with extractor
  18 EXTRACTORFILE=extractor.dat
  19
  20 # set directory for temporary files (only if no usable value)
  21 if test ! -d "$TMPDIR" -o ! -w "$TMPDIR" -o ! -x "$TMPDIR" -o ! -r "$TMPDIR"
  22 then
  23 # if possible, use ramdisk (on Linux)
  24  if test -d /dev/shm
  25  then TMPDIR=/dev/shm/ambros
  26  else TMPDIR=/tmp/ambros
  27  fi
  28 fi
  29 mkdir -p $TMPDIR || { echo cannot create tempdir $TMPDIR ; exit 4 ; }
  30
  31 # could be part of temp dir, but may be independent (long-lasting)
  32 LOGDIR=/tmp/ambros/log
  33 mkdir -p $LOGDIR || { echo cannot create logdir $LOGDIR ; exit 4 ; }
  34 # logfile generator, argument is log name specification
  35 logfile () {
  36  local lfile
  37  lfile=$LOGDIR/$1-`date +%W`.log
  38  echo "# $lfile  `date '+%c, week %W'`" >> $lfile
  39  echo $lfile
  40 }
  41 # logging to file=arg1 and to stderr with identification=arg2
  42 logit () {
  43  local fn id
  44  fn=$1
  45  id=$2
  46  shift 2
  47  echo `date +%w%H%M` $id : $@ >> $fn
  48  echo : $id : $@ >&2
  49 }
  50
  51 # directory for text sources
  52 SOURCEDIR=textsources
  53 # suffix for file names
  54 SOURCEFILESUFFIX='.txt'
  55
  56 # configfiles
  57 CHANNELCONFIG=channel.cfg
  58 SOURCECONFIG=source.cfg
  59
  60 # statusfiles
  61 CHANNELSTATUS=status.dat
  62 SOURCESTATUS=status.dat
  63
  64 # initial values for source status file
  65 MININDEX=100
  66 MAXINDEX=99999
  67
  68 # signal number to terminate daemons (argument for kill)
  69 DAEMONTERMINATE=15
  70
  71 # function to read config value by name
  72 # arguments: configfile name [separators]
  73 # value in stdout, exit nonzero if error
  74 # if separators are given, will be replaced by SPC in output
  75 # (e.g ',;' will result in returning "a,b;c" as "a b c")
  76 # WARNING: DO NOT USE '`' in values or separators!
  77 configread () {
  78  local retline retval separators
  79 # check if config file readable, else fail
  80  test -r "$1" || return 2
  81 # get last line with name (possibly surrounded by whitespace)
  82 # but ignore any line after separator '---'
  83  retline=`sed -e '/^[   ]*---/,$d' "$1"|grep -i "^[     ]*$2[   ]"|tail -n 1`
  84 # fail if nothing found
  85  test "$retline" != "" || return 1
  86 # if no separators given, replace ' ' with ' ' ie NOP
  87  separators=${3:-' '}
  88 # return second word from read line and substitute separators by SPC
  89  echo $retline | { read _ retval _ ; echo $retval ; } |
  90   sed -e "s\`[$separators]\` \`g"
  91 }
  92
  93 # function to get current time (epoch) in seconds
  94 nowsec () {
  95  date +%s
  96 }
  97
  98 # function for hashing source texts
  99 hashfunction () {
 100  cksum $1 | { read cfc _
 101  echo $cfc
 102  }
 103 }