rpmsafereduce: revert

[nethome.git] / bin / fup

diff --git a/bin/fup b/bin/fup
index fbd129c..ec166d4 100755 (executable)
--- a/bin/fup
+++ b/bin/fup
@@ -14,12 +14,17 @@ my $USER="adsl_303141";
 my $USERNAME="Jan Kratochvil";
 my $PASSWORD=&_priv_postget("uzivatel.gtsnovera.cz.pwd");
 my $IFDEV="eth0";
-my $SECS=8;
-my $RX_THRESHOLD=200000;       # 226085
-my $TX_THRESHOLD=200000;       # 291251
-my $STABILIZE_OFF=2;
-my $STABILIZE_ON=10;
-
+my $SECS=4;
+my $RX_THRESHOLD=210000;       # 226085
+my $TX_THRESHOLD=210000;       # 291251
+my $STABILIZE_OFF=1;
+my $STABILIZE_ON=4*60;
+my $INPUT_IDLE=10*60;
+
+$RX_THRESHOLD=$RX_THRESHOLD*$SECS/8;
+$TX_THRESHOLD=$TX_THRESHOLD*$SECS/8;
+$STABILIZE_OFF/=$SECS;
+$STABILIZE_ON /=$SECS;
 $|=1;
 my $ua=LWP::UserAgent->new();
 #$ua->timeout(60);
@@ -60,21 +65,32 @@ sub login()
        $login=~m{<span class="textTitle1">\Q$USERNAME\E,</span>} or die $login."\nNo name found";
 }
 
+my $on=-1;
+my($ignore_read,$ignore_write);
 sub change($)
 {
-my($on)=@_;
-
-       $on=($on ? 1 : 0);
-       login();
-       my $change=simple("https://uzivatel.gtsnovera.cz/cgi-bin/fup.pl",
-                       'action.'.($on ? 'setManual' : 'unsetManual').'=1',
-                       )->decoded_content() or die "change: ".$on;
+my($new)=@_;
+
+       $new=($new ? 1 : 0);
+       return if $on==$new;
+       return if $ignore_read;
+       my $try=0;
+       my $change;
+       do {
+               print "!" if $try;
+               die "Looping to login" if $try++>0x10;
+               login() if $try;
+               $change=simple("https://uzivatel.gtsnovera.cz/cgi-bin/fup.pl",
+                               'action.'.($new ? 'setManual' : 'unsetManual').'=1',
+                               )->decoded_content() or die "change: ".$new;
+               } while $change=~m{No authentication cookie was sent.};
        my $is_on =($change=~m{\bFUP active\b});
        my $is_off=($change=~m{\bFUP not active\b});
        $is_on==!$is_off or die $change."\nInvalid change state";
-       $on==$is_on or die $change."\nChange not changed, wanted: ".$on;
-       print "<$on>";
-       return $on;
+       $new==$is_on or die $change."\nChange not changed, wanted: ".$new;
+       print "<$new>";
+       $ignore_write=1;
+       $on=$new;
 }
 
 if (defined(my $change=$ARGV[0])) {
@@ -85,20 +101,78 @@ if (defined(my $change=$ARGV[0])) {
        }
 
 my($rx_last,$tx_last);
-my $on=0;
-change($on);
+change(0);
 
 my @history;
 sub history($$)
 {
 my($what,$length)=@_;
 
+       return if $what==$on;
        my $idx=@history;
        while ($length-->0) {
                return if --$idx<0;
                return if $what!=$history[$idx];
                }
-       return 1;
+       change($what);
+}
+
+use User::Utmp;
+
+# Users respected for the 'idle' state (see $IdleMax):
+my @ValidUsers=qw(root lace jkratoch);
+
+sub useridle()
+{
+       my %valid_users=map(($_=>1),@ValidUsers);
+       my($idlebest,$linebest);
+       for my $utmp (User::Utmp::getut()) {
+               local $_;
+               next if defined($_=$utmp->{"ut_type"}) && $_!=&User::Utmp::USER_PROCESS();
+               next if defined($_=$utmp->{"ut_user"}) && !$valid_users{$_};
+               my $line="/dev/".$utmp->{"ut_line"};
+               my $atime=(stat $line)[8];
+               my $what="user \"".($utmp->{"ut_user"} || "<local>")."\", line \"$line\"";
+               warn "Unable to stat $what" and next if !$atime;
+               my $idle=time()-$atime;
+               warn "atime in future for $what" and next if $idle<0;
+               next if defined $idlebest && $idlebest<=$idle;
+               $idlebest=$idle;
+               $linebest=$line;
+               }
+       return !wantarray() ? $idlebest : ($idlebest,$linebest);
+}
+
+sub input_idle()
+{
+       return useridle() > $INPUT_IDLE;
+}
+
+sub mplayer_running()
+{
+       local *F;
+       open F,"/proc/net/unix" or die;
+       my %unix;
+       <F>;
+       local $_;
+       while (<F>) {
+               /^(?:\S+\s+){6}(\d+)\s/ or die;
+               $unix{$1}=1;
+               }
+       close F or die;
+
+       local $_;
+       while (</proc/*/exe>) {
+               (my $fdname=$_)=~s{/exe$}{/fd};
+               $_=readlink or next;
+               m{/mplayer$} or next;
+               while (<$fdname/*>) {
+                       $_=readlink or next;
+                       my $inode=/^\Qsocket:[\E(\d+)\Q]\E$/ or next;
+                       return 1 if $unix{$1};
+                       }
+               }
+       return;
 }
 
 for (;;) {
@@ -113,12 +187,20 @@ for (;;) {
                $on_now=0 if ($rx-$rx_last) > $RX_THRESHOLD;
                $on_now=0 if ($tx-$tx_last) > $TX_THRESHOLD;
                }
+       my $print=$on_now;
+       my $input_idle=input_idle();
+       my $mplayer_running=mplayer_running() if $input_idle;
+       $on_now=1 if $input_idle && !$mplayer_running;
        $rx_last=$rx;
        $tx_last=$tx;
        push @history,$on_now;
-       print $on_now;
-       my $stable;
-       $on=change(1) if $on==0 && history(1,$STABILIZE_ON);
-       $on=change(0) if $on==1 && history(0,$STABILIZE_OFF);
+       $print=($print ? "." : "v") if $input_idle;
+       $print="M" if $mplayer_running;
+       $print="*" if $ignore_read;
+       print($print);
+       history(1,(($input_idle && !$mplayer_running) ? 0 : $STABILIZE_ON));
+       history(0,$STABILIZE_OFF);
+       $ignore_read=$ignore_write;
+       $ignore_write=0;
        sleep $SECS;
        }