webif/var/mongoose/lib/bin/auto
hummypkg 9fd84a8938 use file size over file stat, add mp3 type preference
git-svn-id: file:///root/webif/svn/humax/pkg/src/webif/trunk@1814 2a923420-c742-0410-a762-8d5b09965624
2014-03-03 14:00:46 +00:00

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13 KiB
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Executable File

#!/mod/bin/jimsh
source /mod/webif/lib/setup
require lock system.class ts.class tdelete pretty_size browse.class \
safe_delete settings.class plugin
set settings [settings]
set loglevel [$settings autolog]
set audiomp3 [$settings audiomp3]
if {![acquire_lock webif_auto]} {
puts "Cannot acquire exclusive lock, terminating."
exit
}
set logfile "/mod/tmp/auto.log"
# Rotate log file if large enough.
if {[file exists $logfile] && [file size $logfile] > 2097152} {
file copy -force $logfile "/mod/tmp/auto_old.log"
file delete $logfile
}
if {[lindex $argv 0] eq "-d"} {
set argv [lrange $argv 1 end]
set loglevel 2
set logfd stdout
} else {
set logfd [open "/mod/tmp/auto.log" "a+"]
}
proc log {msg {level 1}} {
if {$level > $::loglevel} return
puts $::logfd "[\
clock format [clock seconds] -format "%d/%m/%Y %H:%M"\
] - $msg"
flush $::logfd
}
proc elapsed {start} {
return $(([clock milliseconds] - $start) / 1000.0)
}
proc startclock {} {
set ::startclock_s [clock milliseconds]
}
proc endclock {size} {
set el [elapsed $::startclock_s]
set rate $($size / $el)
return "[pretty_size $size] in $el seconds - [pretty_size $rate]/s"
}
set modules {decrypt dedup shrink mpg mp3 expire}
foreach mod $modules {
set "hook_pre${mod}scan" {}
set "hook_pre$mod" {}
set "hook_post$mod" {}
set "hook_post${mod}scan" {}
}
proc register {type fn} {
global "hook_$type"
if {[info exists "hook_$type"]} {
lappend "hook_$type" $fn
log "Registered $fn for $type hook." 1
} else {
log "Unknown hook hook_$type" 0
}
}
proc runplugin {name {ts 0}} {
set var "hook_$name"
global $var
foreach p [subst $$var] {
if {[catch {$p $ts} msg]} {
log "Plugin error: $msg" 0
}
}
}
eval_plugins auto
set scanstart [clock milliseconds]
log "-------------------------------------------------------"
# is_listening is relatively expensive so it is checked once globally at
# the start and then if the server is not listening then no decrypt
# operations will be attempted for this run, even if the server starts
# up halfway through. Otherwise the server is checked for every decryption
# and if it goes away then decryption will not be attempted for the rest
# of the run.
if {[system is_listening 9000]} {
set dlnaok 1
log "DLNA Server is running." 2
} else {
set dlnaok 0
log "DLNA Server is NOT running." 2
}
log "Media scan starting, DLNA server status: $dlnaok"
proc dsc {{size 0}} {
set free [system diskfree]
# Required disk space is 1GiB + 3 times the file size.
set req $($size * 3 + 1073741824)
if {$free < $req} {
log "Insufficient disk space. Require=$req, Free=$free" 0
exit
}
}
dsc
set tmp "/mod/tmp/webif_auto"
if {![file exists $tmp]} {
if {[catch {file mkdir $tmp} msg]} {
log "Cannot create temporary directory - $tmp ($msg)" 0
exit
}
} elseif {![file isdirectory $tmp]} {
log "Cannot create temporary directory - $tmp (file exists)" 0
exit
}
# Clean-up the temporary directory
foreach file [readdir -nocomplain $tmp] { tdelete "$tmp/$file" }
if {[system pkginst undelete]} {
set dustbin "[system dustbin]"
} else {
set dustbin ""
}
log "Dustbin: $dustbin" 2
set recalc 0
proc dorecalc {dir} {
global recalc
if {!$recalc} return
ts resetnew $dir
set recalc 0
}
proc dedup {dir} {
log "DEDUP: \[$dir]" 2
loop i 0 1 {
foreach line [split \
[exec /mod/webif/html/dedup/dedup -yes -auto $dir] "\n"] {
log $line 2
}
}
}
proc do_expire {ts} {
global ax_days
set file [$ts get file]
# Calculate the age of the file in days.
set age $(([clock seconds] - [$ts get start]) / 86400.0)
log " EXPIRE: $file (age = $age)" 2
if {$age > $ax_days} {
if {[$ts inuse]} {
log " EXPIRE: $file ($age > $ax_days)"
log " In use."
return
}
runplugin preexpire $ts
if {[safe_delete $file]} {
log " EXPIRE: $file ($age > $ax_days)" 0
log " Deleted." 0
runplugin postexpire $ts
incr ::recalc
}
}
}
proc do_shrink {ts} {
global tmp dustbin tsgroup
set file [$ts get file]
if {[$ts flag "Shrunk"]} {
log " $file - already shrunk." 2
return
}
set file [file rootname [$ts get file]]
if {[$ts inuse]} {
log " $file - in use." 2
return
}
if {[catch {
set perc [exec /mod/bin/stripts -aq $file]
} msg]} {
log " Error: $msg" 0
return
}
if {[string match {*%} $perc]} {
set perc [string range $perc 0 end-1]
} else {
set perc 0
}
if {$perc == 0} {
log " $file - already shrunk." 2
$ts set_shrunk
return
}
set size [$ts size]
dsc $size
runplugin preshrink $ts
startclock
log " SHRINK: $file" 0
log " Estimate $perc% saving." 0
log " Shrinking..." 0
if {[catch {
foreach line [split \
[exec nice -n 19 /mod/bin/stripts -q $file $tmp/shrunk] \
"\n"] {
log $line 0
}
} msg]} {
log "Error during shrink: $msg" 0
system notify "$file - auto-shrink - error $msg."
return
}
# The following steps are structured to minimise the risk of
# things being left in an inconsistent state if the system goes
# into standby. Renames within the same filesystem are very
# quick so the risk is small, but even so...
# Move the shrunken version back to the local directory.
foreach f [glob "$tmp/shrunk.*"] {
set ext [file extension $f]
file rename $f "${file}_shrunk${ext}"
}
# Remove the old recording (-> bin if undelete is installed)
safe_delete [$ts get file] "webif_autoshrink"
# Finally, rename the shrunken recording again.
foreach ext $tsgroup {
set f "${file}_shrunk.$ext"
if {[file exists $f]} {
file rename $f "${file}.$ext"
}
}
$ts set_shrunk
log "Done... [endclock $size]" 0
runplugin postshrink $ts
}
proc do_decrypt {ts} {
global tmp dustbin
set file [$ts get file]
set rfile [file rootname $file]
set bfile [file tail $file]
if {![$ts flag "ODEncrypted"]} {
log " $file - Already decrypted." 2
return
}
lassign [$ts dlnaloc "127.0.0.1"] url
if {$url eq ""} {
log " $file - Not yet indexed."
return
}
if {![system is_listening 9000]} {
log " $file - DLNA Server not running." 2
set ::dlnaok 0
return
}
if {[$ts inuse]} {
log " $file - In use."
return
}
# Check that the file is not already decrypted by analysing it.
set anencd [exec /mod/bin/stripts -qE $rfile]
if {$anencd != "1"} {
log " $file - already decrypted but the HMT flag is wrong." 0
system notify "$file - auto-decrypt - file is already decrypted but the HMT flag is wrong."
return
}
# Perform the decryption by requesting the file from the DLNA server.
set size [$ts size]
dsc $size
runplugin predecrypt $ts
set flagfile "$tmp/decrypting.$bfile"
file touch $flagfile
startclock
log " DECRYPT: $rfile" 0
log " DLNA: $url" 0
exec wget -O "$tmp/$bfile" $url
if {[file size $file] != [file size "$tmp/$bfile"]} {
log " $file - File size mismatch." 0
file delete "$tmp/$bfile"
file delete $flagfile
return
}
# Check if the file is in use. It is possible that the file is
# now being played even though it was free when decryption started.
if {[$ts inuse]} {
log " $file - In use."
file delete "$tmp/$bfile"
file delete $flagfile
return
}
# Copy the HMT file over for stripts
set thmt "$tmp/[file rootname $bfile].hmt"
file copy "$rfile.hmt" $thmt
# Check that the file is no longer encrypted by analysing it.
set anencd [exec /mod/bin/stripts -qE "$tmp/[file rootname $bfile]"]
file delete $thmt
if {$anencd != "0"} {
log " $file - File did not decrypt properly." 0
system notify "$file - auto-decrypt failed."
file delete "$tmp/$bfile"
file delete $flagfile
return
}
# Move the encrypted file out of the way.
file rename $file "$rfile.encrypted"
# Move the decrypted copy into place.
file rename "$tmp/$bfile" $file
# Set the file time to match the old file
file touch $file "$rfile.encrypted"
# Patch the HMT - quickest way to get back to a playable file.
exec /mod/bin/hmt -encrypted "$rfile.hmt"
log " Removing/binning old copy." 0
# Move the old recording to the bin if undelete is installed.
if {$dustbin ne ""} {
set bin [_del_bindir $file "webif_autodecrypt"]
set tail [file tail $rfile]
file rename "$rfile.encrypted" "$bin/$tail.ts"
foreach ext {nts hmt thm} {
if {[file exists "$rfile.$ext"]} {
file copy $rfile.$ext "$bin/$tail.$ext"
if {$ext eq "hmt"} {
# Patch the binned HMT back
exec /mod/bin/hmt +encrypted \
"$bin/$tail.hmt"
}
}
}
} else {
tdelete "$rfile.encrypted"
}
log "Done... [endclock $size]" 0
file delete $flagfile
runplugin postdecrypt $ts
}
proc do_mpg {ts} {
global tmp tsgroup
set file [file rootname [$ts get file]]
if {[file exists $file.mpg]} {
# Already done.
return
}
if {[$ts flag "ODEncrypted"]} {
log " $file - Not decrypted." 2
return
}
if {[$ts get definition] eq "HD"} {
# Cannot extract a useful MPG from a HD recording.
return
}
if {[$ts inuse]} {
log " $file - In use."
return
}
runplugin prempg $ts
dsc [$ts size]
log " MPG: $file" 0
log " Converting..." 0
if {[catch {
foreach line [split \
[exec nice -n 19 /mod/bin/ffmpeg -y -benchmark -v 0 \
-i $file.ts \
-map 0:0 -map 0:1 \
-vcodec copy -acodec copy $tmp/mpg.mpg] "\n"] {
log $line 0
}
} msg]} {
log "Error during mpg extract: $msg" 0
system notify "$file - auto-mpg - error $msg."
return
}
# Move the MPG into the local directory
file rename $tmp/mpg.mpg $file.mpg
runplugin postmpg $ts
}
proc do_mp3 {ts} {
global tmp tsgroup
set file [file rootname [$ts get file]]
if {[file exists $file.mp3]} {
# Already done.
return
}
if {[$ts flag "ODEncrypted"]} {
log " $file - Not decrypted." 2
return
}
if {[$ts get definition] eq "HD"} {
# Cannot extract a useful MP3 from a HD recording.
log " $file - High definition." 2
return
}
if {[$ts inuse]} {
log " $file - In use."
return
}
runplugin premp3 $ts
dsc [$ts size]
log " MP3: $file" 0
log " Converting... [$::settings audiomp3descr $::audiomp3]" 0
if {[catch {
set cmd [list nice -n 19 \
/mod/bin/ffmpeg -y -benchmark -v 0 -i "$file.ts" \
-f mp3 -vn]
if {!$::audiomp3} { lappend cmd -acodec copy }
lappend cmd "$tmp/mp3.mp3"
foreach line [split [exec {*}$cmd] "\n"] {
log $line 0
}
} msg]} {
log "Error during mp3 extract: $msg" 0
system notify "$file - auto-mp3 - error $msg."
return
}
if {[system pkginst id3v2]} {
log [exec /mod/bin/id3v2 \
--song "[$ts get title]" \
--comment "[$ts get synopsis]" \
--album "[$ts get channel_name]" \
--year "[clock format [$ts get start] -format {%Y}]" \
"$tmp/mp3.mp3"] 0
}
# Move the MP3 into the local directory
file rename $tmp/mp3.mp3 $file.mp3
runplugin postmp3 $ts
}
proc entries {dir callback} {
foreach entry [readdir -nocomplain $dir] {
if {![string match {*.ts} $entry} continue
if {[catch {set ts [ts fetch "$dir/$entry"]}]} continue
if {$ts == 0} continue
$callback $ts
}
}
proc shrink {dir} {
log "SHRINK: \[$dir]" 2
entries $dir do_shrink
}
proc decrypt {dir} {
log "DECRYPT: \[$dir]" 2
if {$::dlnaok} { entries $dir do_decrypt }
}
proc mpg {dir} {
log "MPG: \[$dir]" 2
entries $dir do_mpg
}
proc mp3 {dir} {
log "MP3: \[$dir]" 2
entries $dir do_mp3
}
proc expire {dir} {
global ax_days
log "EXPIRE: \[$dir]" 2
set ax_days [{dir expiry} $dir]
entries $dir do_expire
}
proc scan {dir attr {force 0} {recurse 1}} {{indent 0}} {
global dustbin
incr indent 2
log "[string repeat " " $indent]\[$dir]" 2
if {$dir eq $dustbin} {
log "Dustbin, skipping." 2
incr indent -2
return
}
if {[string match {\[*} [file tail $dir]]} {
# Special folder
file stat "$dir/" st
if {$st(dev) != $::rootdev} {
log "Special folder on different device, skipping." 2
incr indent -2
return
}
if {$force} {
set force 0
log "Special folder, overriding recursion." 2
}
}
# Recursion
if {!$force && [file exists "$dir/.auto${attr}r"]} {
log "[string repeat " " $indent] (R)" 2
set force 1
}
dsc
if {$force || [file exists "$dir/.auto$attr"]} { $attr $dir }
foreach entry [readdir -nocomplain $dir] {
if {$recurse && [file isdirectory "$dir/$entry"]} {
scan "$dir/$entry" $attr $force
}
}
dorecalc $dir
incr indent -2
}
proc scanup {dir flag} {
global root
set rl [string length $root]
while {[string length $dir] >= $rl} {
if {[string match {\[*} [file tail $dir]]} {
return -1
}
if {[file exists "$dir/.auto${flag}r"]} {
log "scanup: Found ${flag}r ($dir)" 2
return 1
}
set dir [file dirname $dir]
}
return 0
}
proc scansingle {dirs} {
global modules root
foreach dir $dirs {
log "Scanning single directory '$dir'"
foreach arg $modules {
set st [clock milliseconds]
set sup [scanup $dir $arg]
if {$sup == -1} {
log "Encountered special directory."
break
}
scan $dir $arg $sup 0
log "$arg scan completed in [elapsed $st] seconds."
}
}
}
set root [system mediaroot]
file stat "$root/" rootstat
set rootdev $rootstat(dev)
log "Root device: $rootdev" 2
if {[lindex $argv 0] eq "-single"} {
scansingle [lrange $argv 1 end]
} elseif {[llength $argv] > 0} {
set loglevel 2
foreach arg $argv { scan $root $arg }
} else {
foreach arg $modules {
set st [clock milliseconds]
runplugin "pre${arg}scan"
scan $root $arg
runplugin "post${arg}scan"
log "$arg scan completed in [elapsed $st] seconds."
}
}
release_lock webif_auto
log "Media scan completed in [elapsed $scanstart] seconds."