--- deliantra/server/ext/schmorplog.ext	2007/05/19 11:04:16	1.9
+++ deliantra/server/ext/schmorplog.ext	2012/02/04 00:14:41	1.31
@@ -1,73 +1,328 @@
-#! perl
+#! perl # depends=irc mandatory
 
-our $UPDATE_LOGINS = Event->idle (repeat => 0, min => 1, data => cf::WF_AUTOCANCEL, cb => Coro::unblock_sub {
-   my ($status, @pl) = ext::commands::who_listing;
+# statistics-package
 
-   #TODO: write files asynchronously
-   open my $fh, ">", "$LOCALDIR/usercount";
-   print $fh scalar @pl;
-
-   open my $fh, ">", "$LOCALDIR/userlisting.html";
-   for ($status, @pl) {
-      s/[<&]//g;
-      print $fh "$_<br />\n";
-   }
-});
+use Fcntl;
+use Coro::AIO;
+
+CONF EXPORT_RECENTLOG          = undef
+CONF EXPORT_RECENTLOG_INTERVAL = 0.5
+
+#############################################################################
+# stuffs
+
+our %PLAYERSEEN;
+
+# EV, because we call ->start
+our $UPDATE_LOGINS = EV::idle sub {
+   $_[0]->stop;
+
+   cf::async {
+      my ($status, @pl) = ext::commands::who_listing;
+
+      my $fh = aio_open "$LOCALDIR/usercount", O_WRONLY | O_CREAT | O_TRUNC, 0644
+         or return;
+      aio_write $fh, 0, undef, scalar @pl, 0;
+      aio_close $fh;
+
+      my $who;
+      for ($status, @pl) {
+         s/[<&]//g;
+         $who .= "$_<br />\n";
+      }
+
+      my $fh = aio_open "$LOCALDIR/userlisting.html", O_WRONLY | O_CREAT | O_TRUNC, 0644
+         or return;
+      aio_write $fh, 0, undef, $who, 0;
+      aio_close $fh;
+   };
+};
+
+cf::object->attach (
+   on_kill => sub {
+      my ($ob, $hitter) = @_;
+
+      return unless $hitter;
+      $hitter = $hitter->outer_owner;
+      my $pl = $hitter->contr
+         or return;
+
+      ++$hitter->{stats_kill}{$ob->name};
+   },
+);
 
 cf::player->attach (
    on_login => sub {
       my ($pl) = @_;
-      $pl->ob->set_ob_key_value (schmorplog_last_login => time);
 
-      $pl->ob->set_ob_key_value (schmorplog_login_count =>
-         1 + $pl->ob->get_ob_key_value ("schmorplog_login_count"));
+      $pl->ob->kv_set (schmorplog_last_login => time);
 
-      (my $client = $pl->ns->version) =~ s/\n/\\n/g;
+      $pl->ob->kv_set (schmorplog_login_count =>
+         1 + $pl->ob->kv_get ("schmorplog_login_count"));
 
-      $pl->ob->set_ob_key_value (schmorplog_client => $client);
+      $pl->ob->kv_set (schmorplog_client => $pl->ns->{who_version});
 
-      ext::irc::do_notice (sprintf "%s logged in", $pl->ob->name);
+      my $name = $pl->ob->name;
 
+      ext::irc::do_notice $name . " logged in";
+
+      undef $PLAYERSEEN{$name};
       $UPDATE_LOGINS->start;
 
-      warn "LOGIN: ", $pl->ob->name, " from ", $pl->ns->host;
+      cf::trace "LOGIN: ", $pl->ob->name, " from ", $pl->ns->host;
    },
    on_logout => sub {
       my ($pl, $cleanly) = @_;
-      $pl->ob->set_ob_key_value (schmorplog_last_logout => time);
-      ext::irc::do_notice (sprintf "%s left", $pl->ob->name);
+      $pl->ob->kv_set (schmorplog_last_logout => time);
+      ext::irc::do_notice $pl->ob->name . " left";
 
       $UPDATE_LOGINS->start;
 
-      warn "LOGOUT: ", $pl->ob->name, " from ", $pl->ns->host, " ($cleanly)";
+      cf::trace "LOGOUT: ", $pl->ob->name, " from ", $pl->ns->host, " ($cleanly)";
    },
    on_birth => sub {
       my ($pl) = @_;
-      ext::irc::do_notice (sprintf "%s was just born", $pl->ob->name);
-      $pl->ob->set_ob_key_value (schmorplog_birthdate => time);
+      $pl->ob->kv_set (schmorplog_birthdate => time);
+      ext::irc::do_notice $pl->ob->name . " was just born";
 
-      warn "BIRTH: ", $pl->ob->name, " from ", $pl->ns->host;
+      cf::trace "BIRTH: ", $pl->ob->name, " from ", $pl->ns->host;
    },
    on_quit => sub {
       my ($pl) = @_;
-      ext::irc::do_notice (sprintf "%s quit the game", $pl->ob->name);
+      ext::irc::do_notice $pl->ob->name . " quit the game";
 
-      warn "QUIT: ", $pl->ob->name, " from ", $pl->ns->host;
+      cf::trace "QUIT: ", $pl->ob->name, " from ", $pl->ns->host;
    },
    on_death => sub {
       my ($pl) = @_;
-      ext::irc::do_notice (sprintf "%s was killed by %s", $pl->ob->name, $pl->killer);
 
-      $pl->ob->set_ob_key_value (schmorplog_death_count =>
-         1 + $pl->ob->get_ob_key_value ("schmorplog_death_count"));
+      my $msg = $pl->expand_cfpod ($pl->ob->name . " was killed by " . $pl->killer_name . ".");
+      ext::irc::do_notice $msg;
+
+      ++$pl->ob->{stats_death}{$pl->killer_name};
+
+      $pl->ob->kv_set (schmorplog_death_count =>
+         1 + $pl->ob->kv_get ("schmorplog_death_count"));
+
+      $_->send_msg ("" => $msg, cf::NDI_VERBATIM)
+         for cf::player::list;
    },
    on_load => sub {
       my ($pl, $path) = @_;
-      $pl->ob->set_ob_key_value (schmorplog_last_load => time);
+      $pl->ob->kv_set (schmorplog_last_load => time);
    },
    on_save => sub {
       my ($pl, $path) = @_;
-      $pl->ob->set_ob_key_value (schmorplog_last_save => time);
+      $pl->ob->kv_set (schmorplog_last_save => time);
    },
 );
 
+cf::register_script_function "statistician::talk" => sub {
+   my ($who, $msg, $npc) = @_;
+
+   my ($cmd, $args) = split /\s+/, $msg, 2;
+
+   $args ||= $who->name;
+
+   if ($cmd eq "deaths") {
+      cf::async {
+         my $pl = cf::player::find $args
+            or return $who->reply ($npc, "I don't know any person named '$args'.");
+
+         my $s = $pl->ob->{stats_death}
+            or return $who->reply ($npc, "$args didn't die even once.");
+
+         my $rep = "$args died a total of " . $pl->ob->kv_get ("schmorplog_death_count") . " times, among them:\n\n";
+
+         for (sort { $s->{$b} <=> $s->{$a} } keys %$s) {
+            $rep .= sprintf " C<%4d> time(s) due to %s.\n", $s->{$_}, $_;
+         }
+
+         $who->reply ($npc, $rep);
+      };
+   } elsif ($cmd eq "kills") {
+      cf::async {
+         my $pl = cf::player::find $args
+            or return $who->reply ($npc, "I don't know any person named '$args'.");
+
+         my $s = $pl->ob->{stats_kill}
+            or return $who->reply ($npc, "I don't know of I<anything> that $args has killed so far.");
+
+         my $rep = sprintf "Here is a list of all the kills I know about:\n\n";
+         for (sort { $s->{$b} <=> $s->{$a} } keys %$s) {
+            $rep .= sprintf " C<%6s> %s\n", $s->{$_}, $_;
+         }
+
+         $who->reply ($npc, $rep);
+      };
+   } elsif ($cmd eq "hi") {
+      $who->reply ($npc, "Hello!\n\n"
+                   . "I am a statistician, I keep statistics about all people here.\n\n"
+                   . " - To know how often somebody died, ask C<deaths> I<playername>\n"
+                   . " - To know how many kills somebody scored, ask C<kills> I<playername>");
+   } else {
+      $who->reply ($npc, "No idea what you want of me, how about saying 'hi' first?");
+   }
+
+   $cmd = lc $cmd;
+};
+
+# log "crash" messages, i.e. client exit reasons
+cf::register_exticmd clientlog => sub {
+   my ($ns, $msg) = @_;
+
+   my $name = $ns->pl && $ns->pl->ob ? $ns->pl->ob->name : "<unknown>";
+
+   $msg =~ y/\x0a\x20-\x7f//cd;
+   $msg =~ s/\s+$//;
+
+   cf::error sprintf "clientlog [%s/%s]: %s\n", $ns->host, $name, $msg;
+
+   ()
+};
+
+#############################################################################
+# log max playercount every minute
+
+our $STATSDIR = "$LOCALDIR/maxplayers";
+
+mkdir $STATSDIR;
+
+our $WRITE_MAXPLAYERS = EV::periodic 0, 60, undef, sub {
+   my $now = AE::now;
+   my $cnt = scalar keys %PLAYERSEEN;
+   
+   %PLAYERSEEN = map +($_->ob->name => undef), grep $_->ns, cf::player::list;
+
+   my @time = gmtime $now;
+
+   my $path = sprintf "%s/%04d-%02d-%02d", $STATSDIR, $time[5] + 1900, $time[4] + 1, $time[3];
+   my $offs = $time [2] * 60 + $time [1];
+   
+   $cnt++;
+   $cnt = 254 if $cnt > 254;
+   $cnt = chr $cnt;
+
+   IO::AIO::aio_open $path, O_WRONLY | O_CREAT, 0666, sub {
+      my $fh = shift
+         or return;
+
+      # the truncate is 1440 extra syscalls, but saves 1439
+      # slow metadata updates.
+      IO::AIO::aio_truncate $fh, 1440, sub {
+         IO::AIO::aio_write $fh, $offs, 1, $cnt, 0, sub {
+            IO::AIO::aio_close $fh;
+         };
+      };
+   };
+};
+
+#############################################################################
+#  export recentlog
+
+our %RECENT;
+
+our $update_w;
+our %need_update;
+
+sub _update_login {
+   my ($login) = @_;
+
+   my $path = (cf::player::playerdir $login) . "/playerdata";
+
+   if (0 >= aio_load $path, my $data) {
+      delete $RECENT{$login};
+   } else {
+      local $_ = $data;
+
+      my $birthdate   = /^schmorplog_birthdate (\S+)$/m   ? $1 : undef;
+      my $login_count = /^schmorplog_login_count (\S+)$/m ? $1 : 0;
+      my $death_count = /^schmorplog_death_count (\S+)$/m ? $1 : 0;
+      my $last_save   = /^schmorplog_last_save (\S+)$/m   ? $1 : undef;
+      my $last_login  = /^schmorplog_last_login (\S+)$/m  ? $1 : undef;
+      my $last_logout = /^schmorplog_last_logout (\S+)$/m ? $1 : undef;
+      my $client      = /^schmorplog_client (.*)$/m       ? $1 : "?";
+      my $map         = /^map (.*)$/m                     ? $1 : "?";
+
+      return unless $last_login;
+
+      $last_logout = $last_save if $last_save > $last_logout && $last_login > $last_logout && $last_save < $NOW - 10 * 60;
+      $last_logout = undef if $last_logout < $last_login;
+
+      return unless $last_login > $NOW - 86400 * ($login_count * 7 + 10);
+
+#      next if $count < 3 && $login < $NOW - 86400*2;
+      $RECENT{$login} = [$login, $birthdate, $last_login, $login_count, $last_logout, $client, $death_count, $map];
+   }
+}
+
+sub _update {
+   cf::async_ext {
+      my $t0 = EV::now;
+
+      $Coro::current->nice (1);
+      $Coro::current->{desc} = "recentlog updater";
+
+      my $lock = cf::lock_acquire "export_recentlog";
+
+      while (%need_update) {
+         for (keys %need_update) {
+            delete $need_update{$_};
+
+            _update_login $_;
+         }
+      }
+
+      cf::get_slot 0.1, 0, "recentlog serialise";
+
+      my $NOW = $cf::NOW;
+
+      cf::replace_file $EXPORT_RECENTLOG, cf::encode_json {
+         version => 1,
+         date    => $NOW,
+         data    => [
+            sort { ($b->[4] || $NOW) <=> ($a->[4] || $NOW) }
+               values %RECENT
+         ],
+      };
+
+      cf::trace "recentlog updated (", EV::now - $t0, "s).\n";
+   };
+}
+
+sub update {
+   return unless defined $EXPORT_RECENTLOG;
+
+   $update_w ||= AE::timer $EXPORT_RECENTLOG_INTERVAL, 0, \&_update;
+}
+
+sub reload {
+   return unless defined $EXPORT_RECENTLOG;
+
+   my $lock = cf::lock_acquire "export_recentlog";
+
+   cf::async_ext {
+      $lock;
+
+      $Coro::current->{desc} = "recentlog reloader";
+
+      undef $need_update{$_}
+         for @{ +cf::player::list_logins };
+
+      _update;
+   };
+}
+
+cf::player->attach (
+   on_login  => sub { undef $need_update{$_[0]->ob->name}; _update },
+   on_logout => sub { undef $need_update{$_[0]->ob->name}; _update },
+   on_birth  => sub { undef $need_update{$_[0]->ob->name}; _update },
+   on_death  => sub { undef $need_update{$_[0]->ob->name}; _update },
+   on_load   => sub { undef $need_update{$_[0]->ob->name}; _update },
+   on_save   => sub { undef $need_update{$_[0]->ob->name}; _update },
+);
+
+cf::post_init {
+   reload;
+};
+