Initial check-in.
[utils.git] / autodlctl
1 #!/bin/bash
2
3 paths=(/home/pub/video/anime $HOME/dc/autodl/cur)
4
5 function findcurep
6 {
7     if [ -r badlist ]; then
8         echo badlist `head -n 1 badlist`
9         return 0
10     fi
11     if [ -r curep ]; then
12         if [ -r maxep ]; then
13             if [ "`cat curep`" -le "`cat maxep`" ]; then
14                 echo curep `cat curep`
15                 return 0
16             fi
17         else
18             echo curep `cat curep`
19             return 0
20         fi
21     fi
22     echo none
23     return 1
24 }
25
26 function getnext
27 {
28     cd "$1/.autodl/"
29     tag="$2"
30     echo "checking $tag"
31     sexpr="`cat sexpr`"
32     unset badsizes
33     epinfo=(`findcurep`)
34     if [ "${epinfo[0]}" = none ]; then
35         echo "no available episode of $tag" >&2
36         echo "$tag" >>"$HOME/dc/autodl/faulty"
37         touch disabled
38         return 1
39     fi
40     epfrom="${epinfo[0]}"
41     curep="${epinfo[1]}"
42     unset badsizesl
43     if [ -r badsizes ]; then
44         badsizesl="$(sed -n "s/^0*$curep \([^#]*\)\( *#.*\)\?$/\1/p" badsizes)"
45     fi
46     if [ -n "$badsizesl" ]; then
47         read -a badsizes <<<"$badsizesl"
48         unset badsizesl
49         echo "found bad size list: ${badsizes[@]}"
50     fi
51     unset args
52     fsexpr="`printf "$sexpr" "$curep"`"
53     if [ "${#badsizes[@]}" -gt 0 ]; then
54         for badsize in "${badsizes[@]}"; do
55             fsexpr="$fsexpr & ! S=$badsize"
56         done
57     fi
58     infofile=rtinfo
59     estatfile=estat
60     args=(-e "$fsexpr" -t "$tag $curep" -I "$infofile" -E "$estatfile" -x "curep=$curep")
61     if [ -e wait ]; then
62         args=("${args[@]}" -w)
63     fi
64     if [ -r uarg ]; then
65         uarg="`cat uarg`"
66     elif [ -e autouarg ]; then
67         uarg="rename:$tag - %02i.ext:move:../autodl/cur/$tag"
68     fi
69     if [ -n "$uarg" ]; then
70         fuarg="`printf "$uarg" "$curep"`"
71         args=("${args[@]}" -a "$fuarg")
72     fi
73     outfile=output
74     echo "trying to download -- autodl ${args[@]}"
75     intr=n
76     autodl "${args[@]}" >"$outfile" 2>&1 &
77     pid=$!
78     trap "intr=y; kill -INT $pid" USR1 INT
79     wait $pid
80     stat=$?
81     if [ -r "$estatfile" ]; then
82         estat="`cat "$estatfile"`"
83         rm -f "$estatfile"
84     fi
85     if [ "$intr" = y ]; then
86         echo "$tag interrupted"
87     else
88         if [ "$stat" -ne 0 ]; then
89             if [ "$stat" -eq 1 ]; then
90                 echo "Failure for $tag" >>"$HOME/dc/autodl/errorlog"
91                 tail -n 20 "$outfile" >>"$HOME/dc/autodl/errorlog"
92             elif [ "$stat" -eq 2 ]; then
93                 echo "Connection error on $tag"
94             elif [ "$stat" -eq 3 ]; then
95                 echo "Configuration error, disabling $tag"
96                 cp "$outfile" conferr
97                 touch disabled
98                 echo "$tag" >>"$HOME/dc/autodl/faulty"
99             fi
100         else
101             echo "episode $curep of $tag done (estat: \"$estat\")"
102             case "$epfrom" in
103                 badlist)
104                     echo -en "${tag}\n${curep}\n" >>"$HOME/dc/autodl/baddone"
105                     egrep -v "^$curep( |\$)" badlist >newbadlist
106                     mv -f newbadlist badlist
107                     if [ `wc -l <badlist` -eq 0 ]; then
108                         rm badlist
109                         echo "$tag has no more bad episodes"
110                         echo "$tag" >>"$HOME/dc/autodl/badmaxed"
111                     fi
112                     ;;
113                 curep)
114                     if [ "$estat" = dbl ]; then
115                         echo -en "${tag}\n${curep}\n" >>"$HOME/dc/autodl/done"
116                         echo -en "${tag}\n$((${curep} + 1))\n" >>"$HOME/dc/autodl/done"
117                         let "nextep=curep+2"
118                     else
119                         echo -en "${tag}\n${curep}\n" >>"$HOME/dc/autodl/done"
120                         let "nextep=curep+1"
121                     fi
122                     echo "$nextep" >curep
123                     if [ -r maxep ]; then
124                         if [ "$nextep" -gt "`cat maxep`" ]; then
125                             echo "$tag has reached max"
126                             echo "$tag" >>"$HOME/dc/autodl/maxed"
127                         fi
128                     fi
129                     ;;
130             esac
131             if [ "$estat" = bad ]; then
132                 echo "episode reported as bad, adding to badlist"
133                 echo "$curep" >>badlist
134             fi
135             if ! findcurep; then
136                 echo "no more episodes to download from $tag"
137                 touch disabled
138             fi
139         fi
140     fi
141     rm -f "$outfile"
142     rm -f "$HOME/dc/autodl/run/$tag"
143 }
144
145 for dir in $HOME/dc/autodl{,/cur,/run}; do
146     if [ -e "$dir" ]; then
147         if [ ! -d "$dir" ]; then
148             echo "$dir is not a directory, please remedy and restart" >&2
149             exit 1
150         fi
151     else
152         mkdir "$dir" || exit 1
153     fi
154 done
155
156 while [ $# -gt 0 ]; do
157     arg="$1"
158     shift
159     case "$arg" in
160         -k)
161             pid="$(cat "$HOME/dc/autodl/run/master")"
162             if [ -z "$pid" ]; then
163                 echo "autodlctl: could not read a PID from $HOME/dc/autodl/run/master" >&2
164                 exit 1
165             fi
166             kill "$pid"
167             exit 0
168             ;;
169         *)
170             echo "autodlctl: unrecognized option: \"$arg\"" >&2
171             exit 1
172             ;;
173     esac
174 done
175
176 lastget=0
177 done=n
178 trap "done=y" INT QUIT TERM
179 echo $$ >"$HOME/dc/autodl/run/master"
180 while [ "$done" != y ]; do
181     for pidfile in $HOME/dc/autodl/run/*; do
182         if [ "$pidfile" = "$HOME/dc/autodl/run/*" ]; then break; fi
183         pid="`cat "$pidfile"`"
184         if [ -d /proc/1 -a ! -d "/proc/$pid" ]; then
185             echo "removing stale pidfile $pidfile"
186             rm -f "$pidfile"
187         fi
188     done
189     for p in "${paths[@]}"; do
190         for d in "$p"/*; do
191             if [ -d "$d/.autodl" -a ! -e "$d/.autodl/disabled" ]; then
192                 if [ -r "$d/.autodl/tag" ]; then
193                     tag="`cat "$d/.autodl/tag"`"
194                 else
195                     tag="`basename "$d"`"
196                 fi
197                 start=y
198                 if [ -e "$d/.autodl/disable" ]; then
199                     echo "disabling $tag per user request"
200                     start=n
201                     touch "$d/.autodl/disabled"
202                     rm -f "$d/.autodl/disable"
203                     if [ -r "$HOME/dc/autodl/run/$tag" ]; then
204                         pid="`cat "$HOME/dc/autodl/run/$tag"`"
205                         echo "sending SIGUSR1 to $pid"
206                         kill -USR1 "$pid"
207                     else
208                         echo "could not find pid for $tag"
209                     fi
210                 fi
211                 if [ -e "$d/.autodl/restart" ]; then
212                     echo "restarting $tag per user request"
213                     rm -f "$d/.autodl/restart"
214                     if [ -r "$HOME/dc/autodl/run/$tag" ]; then
215                         pid="`cat "$HOME/dc/autodl/run/$tag"`"
216                         echo "sending SIGUSR1 to $pid"
217                         kill -USR1 "$pid"
218                         while [ -e "$HOME/dc/autodl/run/$tag" ]; do
219                             echo "waiting for it to exit"
220                             sleep 1
221                         done
222                     else
223                         echo "could not find pid for $tag"
224                     fi
225                 fi
226                 if [ $start = y ]; then
227                     if [ ! -r "$d/.autodl/sexpr" ]; then
228                         touch "$d/.autodl/disabled"
229                         echo "$tag lacks sexpr" >&2
230                         echo "$tag" >>"$HOME/dc/autodl/faulty"
231                     else
232                         if [ ! -e "$HOME/dc/autodl/run/$tag" ]; then
233                             if [ $((`date +%s` - $lastget)) -gt 20 ]; then
234                                 getnext "$d" "$tag" &
235                                 lastget=`date +%s`
236                                 pid=$!
237                                 echo "$pid" >"$HOME/dc/autodl/run/$tag"
238                             fi
239                         fi
240                     fi
241                 fi
242             fi
243         done
244     done
245     sleep 10
246 done
247
248 for pidfile in $HOME/dc/autodl/run/*; do
249     if [ "$pidfile" = "$HOME/dc/autodl/run/*" ]; then break; fi
250     if [ "$(basename "$pidfile")" = master ]; then continue; fi
251     pid="`cat "$pidfile"`"
252     echo "sending SIGUSR1 to $pid for `basename "$pidfile"`"
253     kill -USR1 "$pid"
254 done
255
256 rm -f "$HOME/dc/autodl/run/master"