config/dc-filter

   1 #!/bin/sh
   2 trap "" SIGHUP SIGPIPE
   3 if [ ! -d $HOME/dc ]; then mkdir $HOME/dc; fi
   4 if [ ! -d $HOME/dc/done ]; then mkdir $HOME/dc/done; fi
   5 if [ ! -d $HOME/dc/resume ]; then mkdir $HOME/dc/resume; fi
   6 if [ ! -d $HOME/dc/users ]; then mkdir $HOME/dc/users; fi
   7 exec 2>>$HOME/dc/filterlog
   8 cd $HOME/dc
   9 unset speedrec
  10 if which speedrec >/dev/null 2>&1; then
  11     speedrec=speedrec
  12 fi
  13 if [ -z "$speedrec"]; then
  14     for dir in /usr/libexec /usr/local/libexec; do
  15         if [ -x "${dir}/speedrec" ]; then
  16             speedrec="${dir}/speedrec"
  17         fi
  18     done
  19 fi
  20 if [ -z "$speedrec" ]; then
  21     echo "could not find speedrec - using cat instead" >&2
  22 fi
  23 maxsize=0
  24 unset resfile
  25 unset infofile
  26 found=y
  27 while [ -z "$resfile" -a "$found" = y ]; do
  28     unset found
  29     for file in resume/*.info; do
  30         if [ ! -r "$file" ]; then continue; fi
  31         . "$file"
  32         if [ "$filesize" -eq "$2" ]; then
  33             thisfile="${file%.info}"
  34             if [ ! -e "${thisfile}.lock" ]; then
  35                 size="$(wc -c <"$thisfile")"
  36                 found=y
  37                 if [ "$size" -gt "$maxsize" ]; then
  38                     maxsize="$size"
  39                     resfile="$thisfile"
  40                     infofile="$file"
  41                 fi
  42             fi
  43         fi
  44     done
  45     if [ -n "$resfile" ]; then
  46         if ! locktouch "${resfile}.lock"; then
  47             unset resfile
  48         fi
  49     fi
  50 done
  51 unset "${!dcarg_@}"
  52 if [ -n "$resfile" ]; then
  53     . "${resfile}.info"
  54 fi
  55 origname="$1"
  56 shift
  57 filesize="$1"
  58 shift
  59 peername="$1"
  60 shift
  61 while [ $# -gt 1 ]; do
  62     rec="$1"
  63     shift
  64     val="$1"
  65     shift
  66     declare "dcarg_$rec"="$val"
  67 done
  68 if [ -z "$resfile" ]; then
  69     resfile="$(mktemp resume/resXXXXXX)"
  70     chmod 644 "$resfile"
  71     maxsize=0
  72     >"${resfile}.lock"
  73 fi
  74 declare -p origname filesize "${!dcarg_@}" >"${resfile}.info"
  75 echo "resume $maxsize"
  76 if [ -z "$speedrec" ]; then
  77     cat >>"$resfile"
  78 else
  79     peerfile="$(tr / _ <<<"$peername")"
  80     "$speedrec" "$HOME/dc/users/$peerfile" >>"$resfile"
  81 fi
  82 size="$(wc -c <"$resfile")"
  83 if [ "$size" -eq 0 ]; then
  84     rm -f "$resfile" "${resfile}.info" "${resfile}.lock"
  85     exit 1
  86 fi
  87 rm -f "${resfile}.lock"
  88 if [ "$size" -lt "$filesize" ]; then
  89     exit 1   # Exit code != 0 means restart transfer
  90 fi
  91 rm -f "${resfile}.info"
  92
  93 destdir="$HOME/dc/done"
  94
  95 newname="$destdir"/"$origname"
  96 if [ -e "$newname" ]; then
  97     newname="$(mktemp "${newname}XXXXXX")"
  98 fi
  99 mv "$resfile" "$newname"
 100 if [ -x $HOME/dc/complete ]; then
 101     export "${!dcarg_@}"
 102     exec $HOME/dc/complete "$newname"
 103 fi
 104 exit 0