--- deliantra/server/lib/cf.pm 2008/01/14 10:12:12 1.408 +++ deliantra/server/lib/cf.pm 2008/08/31 09:03:31 1.442 @@ -1,26 +1,50 @@ +# +# This file is part of Deliantra, the Roguelike Realtime MMORPG. +# +# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team +# +# Deliantra is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# +# The authors can be reached via e-mail to +# + package cf; +use 5.10.0; use utf8; -use strict; +use strict "vars", "subs"; use Symbol; use List::Util; use Socket; -use EV 1.86; +use EV; use Opcode; use Safe; use Safe::Hole; use Storable (); -use Coro 4.32 (); +use Coro (); use Coro::State; use Coro::Handle; use Coro::EV; +use Coro::AnyEvent; use Coro::Timer; use Coro::Signal; use Coro::Semaphore; +use Coro::AnyEvent; use Coro::AIO; -use Coro::BDB; +use Coro::BDB 1.6; use Coro::Storable; use Coro::Util (); @@ -30,11 +54,13 @@ use Digest::MD5; use Fcntl; use YAML (); -use IO::AIO 2.51 (); +use IO::AIO (); use Time::HiRes; use Compress::LZF; use Digest::MD5 (); +AnyEvent::detect; + # configure various modules to our taste # $Storable::canonical = 1; # reduce rsync transfers @@ -71,13 +97,10 @@ our %RESOURCE; our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) -our $TICK_WATCHER; -our $AIO_POLL_WATCHER; our $NEXT_RUNTIME_WRITE; # when should the runtime file be written our $NEXT_TICK; our $USE_FSYNC = 1; # use fsync to write maps - default off -our $BDB_POLL_WATCHER; our $BDB_DEADLOCK_WATCHER; our $BDB_CHECKPOINT_WATCHER; our $BDB_TRICKLE_WATCHER; @@ -98,7 +121,8 @@ our $LOAD; # a number between 0 (idle) and 1 (too many objects) our $LOADAVG; # same thing, but with alpha-smoothing -our $tick_start; # for load detecting purposes +our $JITTER; # average jitter +our $TICK_START; # for load detecting purposes binmode STDOUT; binmode STDERR; @@ -194,10 +218,20 @@ } $Coro::State::DIEHOOK = sub { + return unless $^S eq 0; # "eq", not "==" + + if ($Coro::current == $Coro::main) {#d# + warn "DIEHOOK called in main context, Coro bug?\n";#d# + return;#d# + }#d# + + # kill coroutine otherwise warn Carp::longmess $_[0]; - Coro::terminate; + Coro::terminate }; +$SIG{__DIE__} = sub { }; #d#? + @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; @@ -213,9 +247,9 @@ cf::object cf::object::player cf::client cf::player cf::arch cf::living - cf::map cf::party cf::region + cf::map cf::mapspace + cf::party cf::region )) { - no strict 'refs'; @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; } @@ -331,13 +365,9 @@ } sub freeze_mainloop { - return unless $TICK_WATCHER->is_active; + tick_inhibit_inc; - my $guard = Coro::guard { - $TICK_WATCHER->start; - }; - $TICK_WATCHER->stop; - $guard + Coro::guard \&tick_inhibit_dec; } =item cf::periodic $interval, $cb @@ -402,6 +432,8 @@ }; sub get_slot($;$$) { + return if tick_inhibit || $Coro::current == $Coro::main; + my ($time, $pri, $name) = @_; $time = $TICK * .6 if $time > $TICK * .6; @@ -448,8 +480,6 @@ LOG llevError, Carp::longmess "sync job";#d# - # TODO: use suspend/resume instead - # (but this is cancel-safe) my $freeze_guard = freeze_mainloop; my $busy = 1; @@ -470,12 +500,9 @@ } } - $time = EV::time - $time; - - LOG llevError | logBacktrace, Carp::longmess "long sync job" - if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; + my $time = EV::time - $time; - $tick_start += $time; # do not account sync jobs to server load + $TICK_START += $time; # do not account sync jobs to server load wantarray ? @res : $res[0] } else { @@ -529,6 +556,33 @@ wantarray ? @res : $res[-1] } +=item $coin = coin_from_name $name + +=cut + +our %coin_alias = ( + "silver" => "silvercoin", + "silvercoin" => "silvercoin", + "silvercoins" => "silvercoin", + "gold" => "goldcoin", + "goldcoin" => "goldcoin", + "goldcoins" => "goldcoin", + "platinum" => "platinacoin", + "platinumcoin" => "platinacoin", + "platinumcoins" => "platinacoin", + "platina" => "platinacoin", + "platinacoin" => "platinacoin", + "platinacoins" => "platinacoin", + "royalty" => "royalty", + "royalties" => "royalty", +); + +sub coin_from_name($) { + $coin_alias{$_[0]} + ? cf::arch::find $coin_alias{$_[0]} + : undef +} + =item $value = cf::db_get $family => $key Returns a single value from the environment database. @@ -1036,7 +1090,8 @@ # basically do the same as instantiate, without calling instantiate my ($obj) = @_; - bless $obj, ref $obj; # re-bless in case extensions have been reloaded + # no longer needed after getting rid of delete_package? + #bless $obj, ref $obj; # re-bless in case extensions have been reloaded my $registry = $obj->registry; @@ -1092,18 +1147,18 @@ $decname, length $$rdata, scalar @$objs; if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { - chmod SAVE_MODE, $fh; + aio_chmod $fh, SAVE_MODE; aio_write $fh, 0, (length $$rdata), $$rdata, 0; aio_fsync $fh if $cf::USE_FSYNC; - close $fh; + aio_close $fh; if (@$objs) { if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { - chmod SAVE_MODE, $fh; + aio_chmod $fh, SAVE_MODE; my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; aio_write $fh, 0, (length $data), $data, 0; aio_fsync $fh if $cf::USE_FSYNC; - close $fh; + aio_close $fh; aio_rename "$filename.pst~", "$filename.pst"; } } else { @@ -1282,7 +1337,7 @@ if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; $ext{source} = - "package $pkg; use strict; use utf8;\n" + "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n" . "#line 1 \"$path\"\n{\n" . $source . "\n};\n1"; @@ -1308,8 +1363,7 @@ if (exists $v->{meta}{mandatory}) { warn $msg; - warn "mandatory extension failed to load, exiting.\n"; - exit 1; + cf::cleanup "mandatory extension failed to load, exiting."; } warn $msg; @@ -1408,6 +1462,7 @@ my $pl = cf::player::load_pl $f or return; + local $cf::PLAYER_LOADING{$login} = $pl; $f->resolve_delayed_derefs; $cf::PLAYER{$login} = $pl @@ -1428,6 +1483,8 @@ aio_mkdir playerdir $pl, 0770; $pl->{last_save} = $cf::RUNTIME; + cf::get_slot 0.01; + $pl->save_pl ($path); cf::cede_to_tick; } @@ -1472,6 +1529,8 @@ $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; $pl->deactivate; + my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; + $pl->ob->check_score; $pl->invoke (cf::EVENT_PLAYER_QUIT); $pl->ns->destroy if $pl->ns; @@ -1520,7 +1579,8 @@ my $path = path $login; # a .pst is a dead give-away for a valid player - unless (-e "$path.pst") { + # if no pst file found, open and chekc for blocked users + if (aio_stat "$path.pst") { my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; aio_read $fh, 0, 512, my $buf, 0 or next; $buf !~ /^password -------------$/m or next; # official not-valid tag @@ -1567,88 +1627,90 @@ =cut -use re 'eval'; - -my $group; -my $interior; $interior = qr{ - # match a pod interior sequence sans C<< >> - (?: - \ (.*?)\ (?{ $group = $^N }) - | < (??{$interior}) > - ) -}x; - sub expand_cfpod { my ($self, $pod) = @_; + my @nest = [qr<\G$>, undef, ""]; my $xml; - while () { - if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) { - $group = $1; + for ($pod) { + while () { + if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) { + $xml .= $1; + } elsif (/\G\n(?=\S)/xgcs) { + $xml .= " "; + } elsif (/\G\n/xgcs) { + $xml .= "\n"; + } elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) { + my ($code, $delim) = ($1, scalar reverse $2); + $delim =~ y//; # delim now contains the stop sequence + $delim = qr{\G\Q$delim}; + + my $cb; + + if ($code eq "B") { + $cb = sub { "$_[0]" }; + } elsif ($code eq "C") { + $cb = sub { "$_[0]" }; + } elsif ($code eq "E") { + $cb = sub { warn "E<$_[0]>\n";"&$_[0];" }; + } elsif ($code eq "G") { + $cb = sub { + my ($male, $female) = split /\|/, $_[0]; + $self->gender ? $female : $male + }; + } elsif ($code eq "H") { + $cb = sub { + ( + "[$_[0] (Use hintmode to suppress hints)]", + "[Hint suppressed, see hintmode]", + "", + )[$self->{hintmode}]; + }; + } elsif ($code eq "I") { + $cb = sub { "$_[0]" }; + } elsif ($code eq "T") { + $cb = sub { "$_[0]" }; + } elsif ($code eq "U") { + $cb = sub { "$_[0]" }; + } elsif ($code eq "Z") { + $cb = sub { }; + } else { + die "FATAL error in expand_cfpod"; + } + + push @nest, [$delim, $cb, $xml]; + undef $xml; - $group =~ s/&/&/g; - $group =~ s/]*) (?{ $group = $^N }) - | < $interior > - ) - > - %gcsx - ) { - my ($code, $data) = ($1, $group); - - if ($code eq "B") { - $xml .= "" . expand_cfpod ($self, $data) . ""; - } elsif ($code eq "I") { - $xml .= "" . expand_cfpod ($self, $data) . ""; - } elsif ($code eq "U") { - $xml .= "" . expand_cfpod ($self, $data) . ""; - } elsif ($code eq "C") { - $xml .= "" . expand_cfpod ($self, $data) . ""; - } elsif ($code eq "T") { - $xml .= "" . expand_cfpod ($self, $data) . ""; - } elsif ($code eq "G") { - my ($male, $female) = split /\|/, $data; - $data = $self->gender ? $female : $male; - $xml .= expand_cfpod ($self, $data); - } elsif ($code eq "H") { - $xml .= ("[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]", - "[Hint suppressed, see hintmode]", - "") - [$self->{hintmode}]; + if ($nest->[1]) { + $xml = $nest->[2] . $nest->[1]->($xml); + } else { + last; + } + } elsif (/\G/xgcs) { + $xml .= ">"; } else { - $xml .= "error processing '$code($data)' directive"; - } - } else { - if ($pod =~ /\G(.+)/) { - warn "parse error while expanding $pod (at $1)"; + if ($pod =~ /\G(.+)/xgcs) { + warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod"; + last; + } else { + warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod"; + return "Sorry, the server encountered an internal error when formatting this message, please report this."; + } } - last; } } - for ($xml) { - # create single paragraphs (very hackish) - s/(?<=\S)\n(?=\w)/ /g; - - # compress some whitespace - s/\s+\n/\n/g; # ws line-ends - s/\n\n+/\n/g; # double lines - s/^\n+//; # beginning lines - s/\n+$//; # ending lines - } - $xml } -no re 'eval'; - sub hintmode { $_[0]{hintmode} = $_[1] if @_ > 1; $_[0]{hintmode} @@ -1729,6 +1791,9 @@ sub generate_random_map { my ($self, $rmp) = @_; + + my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM + # mit "rum" bekleckern, nicht $self->_create_random_map ( $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, @@ -1860,7 +1925,7 @@ sub save_path { my ($self) = @_; - (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; + (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; "$TMPDIR/$path.map" } @@ -1868,7 +1933,7 @@ sub uniq_path { my ($self) = @_; - (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; + (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; "$UNIQUEDIR/$path" } @@ -1976,8 +2041,8 @@ cf::lock_wait "map_find:$path"; $cf::MAP{$path} || do { - my $guard1 = cf::lock_acquire "map_find:$path"; - my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it + my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it + my $guard2 = cf::lock_acquire "map_find:$path"; my $map = new_from_path cf::map $path or return; @@ -1990,8 +2055,8 @@ if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) # doing this can freeze the server in a sync job, obviously #$cf::WAIT_FOR_TICK->wait; - undef $guard1; undef $guard2; + undef $guard1; $map->reset; return find $path; } @@ -2028,7 +2093,7 @@ $self->_load_objects ($f) or return; - $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) + $self->post_load_original if delete $self->{load_original}; if (my $uniq = $self->uniq_path) { @@ -2064,7 +2129,7 @@ $self->{last_save} = $cf::RUNTIME; $self->last_access ($cf::RUNTIME); - $self->in_memory (cf::MAP_IN_MEMORY); + $self->in_memory (cf::MAP_ACTIVE); } $self->post_load; @@ -2132,7 +2197,7 @@ $path = normalise $path, $origin && $origin->{path}; if (my $map = $cf::MAP{$path}) { - return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; + return $map if !$load || $map->in_memory == cf::MAP_ACTIVE; } $MAP_PREFETCH{$path} |= $load; @@ -2179,6 +2244,8 @@ $_->contr->save for $self->players; }; + cf::get_slot 0.02; + if ($uniq) { $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); $self->_save_objects ($uniq, cf::IO_UNIQUES); @@ -2196,7 +2263,7 @@ my $lock = cf::lock_acquire "map_data:$self->{path}"; return if $self->players; - return if $self->in_memory != cf::MAP_IN_MEMORY; + return if $self->in_memory != cf::MAP_ACTIVE; return if $self->{deny_save}; $self->in_memory (cf::MAP_SWAPPED); @@ -2324,15 +2391,14 @@ [ map { utf8::decode $_; - /\.map$/ - ? normalise $_ - : () + s/\.map$//; # TODO future compatibility hack + /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/ + ? () + : normalise $_ } @{ aio_readdir $UNIQUEDIR or [] } ] } -package cf; - =back =head3 cf::object @@ -2345,7 +2411,8 @@ =item $ob->inv_recursive -Returns the inventory of the object _and_ their inventories, recursively. +Returns the inventory of the object I their inventories, recursively, +but I the object itself. =cut @@ -2360,7 +2427,7 @@ =item $ref = $ob->ref -creates and returns a persistent reference to an objetc that can be stored as a string. +Creates and returns a persistent reference to an object that can be stored as a string. =item $ob = cf::object::deref ($refstring) @@ -2402,6 +2469,20 @@ =cut +our $SAY_CHANNEL = { + id => "say", + title => "Map", + reply => "say ", + tooltip => "Things said to and replied from npcs near you and other players on the same map only.", +}; + +our $CHAT_CHANNEL = { + id => "chat", + title => "Chat", + reply => "chat ", + tooltip => "Player chat and shouts, global to the server.", +}; + # rough implementation of a future "reply" method that works # with dialog boxes. #TODO: the first argument must go, split into a $npc->reply_to ( method @@ -2422,7 +2503,7 @@ } else { $msg = $npc->name . " says: $msg" if $npc; - $self->message ($msg, $flags); + $self->send_msg ($SAY_CHANNEL => $msg, $flags); } } } @@ -2540,6 +2621,9 @@ the new (success) or old (failed) map position. In either case, $done will be called at the end of this process. +Note that $check will be called with a potentially non-loaded map, so if +it needs a loaded map it has to call C<< ->load >>. + =cut our $GOTOGEN; @@ -2627,8 +2711,6 @@ sub prepare_random_map { my ($exit) = @_; - my $guard = cf::lock_acquire "exit_prepare:$exit"; - # all this does is basically replace the /! path by # a new random map path (?random/...) with a seed # that depends on the exit object @@ -2640,11 +2722,13 @@ $rmp->{origin_map} = $exit->map->path; $rmp->{origin_x} = $exit->x; $rmp->{origin_y} = $exit->y; + + $exit->map->touch; } $rmp->{random_seed} ||= $exit->random_seed; - my $data = cf::encode_json $rmp; + my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp); my $md5 = Digest::MD5::md5_hex $data; my $meta = "$RANDOMDIR/$md5.meta"; @@ -2653,8 +2737,12 @@ undef $fh; aio_rename "$meta~", $meta; - $exit->slaying ("?random/$md5"); - $exit->msg (undef); + my $slaying = "?random/$md5"; + + if ($exit->valid) { + $exit->slaying ("?random/$md5"); + $exit->msg (undef); + } } } @@ -2663,31 +2751,33 @@ return unless $self->type == cf::PLAYER; - if ($exit->slaying eq "/!") { - #TODO: this should de-fi-ni-te-ly not be a sync-job - # the problem is that $exit might not survive long enough - # so it needs to be done right now, right here - cf::sync_job { prepare_random_map $exit }; - } - - my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; - my $hp = $exit->stats->hp; - my $sp = $exit->stats->sp; - $self->enter_link; - # if exit is damned, update players death & WoR home-position - $self->contr->savebed ($slaying, $hp, $sp) - if $exit->flag (FLAG_DAMNED); - (async { - $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; + $Coro::current->{desc} = "enter_exit"; - $self->deactivate_recursive; # just to be sure unless (eval { - $self->goto ($slaying, $hp, $sp); + $self->deactivate_recursive; # just to be sure - 1; + # random map handling + { + my $guard = cf::lock_acquire "exit_prepare:$exit"; + + prepare_random_map $exit + if $exit->slaying eq "/!"; + } + + my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; + my $x = $exit->stats->hp; + my $y = $exit->stats->sp; + + $self->goto ($map, $x, $y); + + # if exit is damned, update players death & WoR home-position + $self->contr->savebed ($map, $x, $y) + if $exit->flag (cf::FLAG_DAMNED); + + 1 }) { $self->message ("Something went wrong deep within the crossfire server. " . "I'll try to bring you back to the map you were before. " @@ -2777,6 +2867,12 @@ reply => undef, tooltip => "Information related to the maps", }, + "c/party" => { + id => "party", + title => "Party", + reply => "gsay ", + tooltip => "Messages and chat related to your party", + }, ); sub cf::client::send_msg { @@ -3023,7 +3119,7 @@ cf::object contr pay_amount pay_player map x y force_find force_add destroy - insert remove name archname title slaying race decrease_ob_nr + insert remove name archname title slaying race decrease split cf::object::player player @@ -3038,8 +3134,8 @@ for ( ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y - insert remove inv name archname title slaying race - decrease_ob_nr destroy)], + insert remove inv nrof name archname title slaying race + decrease split destroy change_exp)], ["cf::object::player" => qw(player)], ["cf::player" => qw(peaceful)], ["cf::map" => qw(trigger)], @@ -3257,6 +3353,16 @@ } }; +sub load_resource_file($) { + my $guard = lock_acquire "load_resource_file"; + + my $status = load_resource_file_ $_[0]; + get_slot 0.1, 100; + cf::arch::commit_load; + + $status +} + sub reload_regions { # HACK to clear player env face cache, we need some signal framework # for this (global event?) @@ -3279,11 +3385,6 @@ sub reload_archetypes { load_resource_file "$DATADIR/archetypes" or die "unable to load archetypes\n"; - #d# NEED to laod twice to resolve forward references - # this really needs to be done in an extra post-pass - # (which needs to be synchronous, so solve it differently) - load_resource_file "$DATADIR/archetypes" - or die "unable to load archetypes\n"; } sub reload_treasures { @@ -3294,16 +3395,19 @@ sub reload_resources { warn "reloading resource files...\n"; - reload_regions; reload_facedata; - #reload_archetypes;#d# reload_archetypes; + reload_regions; reload_treasures; warn "finished reloading resource files\n"; } sub init { + my $guard = freeze_mainloop; + + evthread_start IO::AIO::poll_fileno; + reload_resources; } @@ -3338,12 +3442,15 @@ })->prio (Coro::PRIO_MAX); }; - reload_config; - db_init; - load_extensions; + { + my $guard = freeze_mainloop; + reload_config; + db_init; + load_extensions; + + $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority + } - $TICK_WATCHER->start; - $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority EV::loop; } @@ -3360,7 +3467,7 @@ } } -sub write_runtime { +sub write_runtime_sync { my $runtime = "$LOCALDIR/runtime"; # first touch the runtime file to show we are still running: @@ -3398,6 +3505,49 @@ 1 } +our $uuid_lock; +our $uuid_skip; + +sub write_uuid_sync($) { + $uuid_skip ||= $_[0]; + + return if $uuid_lock; + local $uuid_lock = 1; + + my $uuid = "$LOCALDIR/uuid"; + + my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 + or return; + + my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; + $uuid_skip = 0; + + (aio_write $fh, 0, (length $value), $value, 0) <= 0 + and return; + + # always fsync - this file is important + aio_fsync $fh + and return; + + close $fh + or return; + + aio_rename "$uuid~", $uuid + and return; + + warn "uuid file written ($value).\n"; + + 1 + +} + +sub write_uuid($$) { + my ($skip, $sync) = @_; + + $sync ? write_uuid_sync $skip + : async { write_uuid_sync $skip }; +} + sub emergency_save() { my $freeze_guard = cf::freeze_mainloop; @@ -3427,6 +3577,10 @@ warn "begin emergency database checkpoint\n"; BDB::db_env_txn_checkpoint $DB_ENV; warn "end emergency database checkpoint\n"; + + warn "begin write uuid\n"; + write_uuid_sync 1; + warn "end write uuid\n"; }; warn "leave emergency perl save\n"; @@ -3439,6 +3593,34 @@ if $make_core; } +# a safer delete_package, copied from Symbol +sub clear_package($) { + my $pkg = shift; + + # expand to full symbol table name if needed + unless ($pkg =~ /^main::.*::$/) { + $pkg = "main$pkg" if $pkg =~ /^::/; + $pkg = "main::$pkg" unless $pkg =~ /^main::/; + $pkg .= '::' unless $pkg =~ /::$/; + } + + my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/; + my $stem_symtab = *{$stem}{HASH}; + + defined $stem_symtab and exists $stem_symtab->{$leaf} + or return; + + # clear all symbols + my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; + for my $name (keys %$leaf_symtab) { + _gv_clear *{"$pkg$name"}; +# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; + } + warn "cleared package #$pkg\n";#d# +} + +our $RELOAD; # how many times to reload + sub do_reload_perl() { # can/must only be called in main if ($Coro::current != $Coro::main) { @@ -3446,115 +3628,113 @@ return; } - warn "reloading..."; + return if $RELOAD++; - warn "entering sync_job"; + while ($RELOAD) { + warn "reloading..."; - cf::sync_job { - cf::write_runtime; # external watchdog should not bark - cf::emergency_save; - cf::write_runtime; # external watchdog should not bark + warn "entering sync_job"; - warn "syncing database to disk"; - BDB::db_env_txn_checkpoint $DB_ENV; + cf::sync_job { + cf::write_runtime_sync; # external watchdog should not bark + cf::emergency_save; + cf::write_runtime_sync; # external watchdog should not bark - # if anything goes wrong in here, we should simply crash as we already saved + warn "syncing database to disk"; + BDB::db_env_txn_checkpoint $DB_ENV; - warn "flushing outstanding aio requests"; - for (;;) { - BDB::flush; - IO::AIO::flush; - Coro::cede_notself; - last unless IO::AIO::nreqs || BDB::nreqs; - warn "iterate..."; - } + # if anything goes wrong in here, we should simply crash as we already saved - ++$RELOAD; + warn "flushing outstanding aio requests"; + while (IO::AIO::nreqs || BDB::nreqs) { + Coro::EV::timer_once 0.01; # let the sync_job do it's thing + } - warn "cancelling all extension coros"; - $_->cancel for values %EXT_CORO; - %EXT_CORO = (); + warn "cancelling all extension coros"; + $_->cancel for values %EXT_CORO; + %EXT_CORO = (); - warn "removing commands"; - %COMMAND = (); + warn "removing commands"; + %COMMAND = (); - warn "removing ext/exti commands"; - %EXTCMD = (); - %EXTICMD = (); + warn "removing ext/exti commands"; + %EXTCMD = (); + %EXTICMD = (); - warn "unloading/nuking all extensions"; - for my $pkg (@EXTS) { - warn "... unloading $pkg"; + warn "unloading/nuking all extensions"; + for my $pkg (@EXTS) { + warn "... unloading $pkg"; - if (my $cb = $pkg->can ("unload")) { - eval { - $cb->($pkg); - 1 - } or warn "$pkg unloaded, but with errors: $@"; + if (my $cb = $pkg->can ("unload")) { + eval { + $cb->($pkg); + 1 + } or warn "$pkg unloaded, but with errors: $@"; + } + + warn "... clearing $pkg"; + clear_package $pkg; } - warn "... nuking $pkg"; - Symbol::delete_package $pkg; - } + warn "unloading all perl modules loaded from $LIBDIR"; + while (my ($k, $v) = each %INC) { + next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; - warn "unloading all perl modules loaded from $LIBDIR"; - while (my ($k, $v) = each %INC) { - next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; + warn "... unloading $k"; + delete $INC{$k}; - warn "... unloading $k"; - delete $INC{$k}; + $k =~ s/\.pm$//; + $k =~ s/\//::/g; - $k =~ s/\.pm$//; - $k =~ s/\//::/g; + if (my $cb = $k->can ("unload_module")) { + $cb->(); + } - if (my $cb = $k->can ("unload_module")) { - $cb->(); + clear_package $k; } - Symbol::delete_package $k; - } + warn "getting rid of safe::, as good as possible"; + clear_package "safe::$_" + for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); - warn "getting rid of safe::, as good as possible"; - Symbol::delete_package "safe::$_" - for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); + warn "unloading cf.pm \"a bit\""; + delete $INC{"cf.pm"}; + delete $INC{"cf/pod.pm"}; - warn "unloading cf.pm \"a bit\""; - delete $INC{"cf.pm"}; - delete $INC{"cf/pod.pm"}; + # don't, removes xs symbols, too, + # and global variables created in xs + #clear_package __PACKAGE__; - # don't, removes xs symbols, too, - # and global variables created in xs - #Symbol::delete_package __PACKAGE__; + warn "unload completed, starting to reload now"; - warn "unload completed, starting to reload now"; + warn "reloading cf.pm"; + require cf; + cf::_connect_to_perl; # nominally unnecessary, but cannot hurt - warn "reloading cf.pm"; - require cf; - cf::_connect_to_perl; # nominally unnecessary, but cannot hurt + warn "loading config and database again"; + cf::reload_config; - warn "loading config and database again"; - cf::reload_config; + warn "loading extensions"; + cf::load_extensions; - warn "loading extensions"; - cf::load_extensions; + warn "reattaching attachments to objects/players"; + _global_reattach; # objects, sockets + warn "reattaching attachments to maps"; + reattach $_ for values %MAP; + warn "reattaching attachments to players"; + reattach $_ for values %PLAYER; - warn "reattaching attachments to objects/players"; - _global_reattach; # objects, sockets - warn "reattaching attachments to maps"; - reattach $_ for values %MAP; - warn "reattaching attachments to players"; - reattach $_ for values %PLAYER; + warn "leaving sync_job"; - warn "leaving sync_job"; - - 1 - } or do { - warn $@; - warn "error while reloading, exiting."; - exit 1; - }; + 1 + } or do { + warn $@; + cf::cleanup "error while reloading, exiting."; + }; - warn "reloaded"; + warn "reloaded"; + --$RELOAD; + } }; our $RELOAD_WATCHER; # used only during reload @@ -3564,8 +3744,8 @@ # coro crashes during coro_state_free->destroy here. $RELOAD_WATCHER ||= EV::timer 0, 0, sub { - undef $RELOAD_WATCHER; do_reload_perl; + undef $RELOAD_WATCHER; }; } @@ -3589,8 +3769,7 @@ our @WAIT_FOR_TICK_BEGIN; sub wait_for_tick { - return unless $TICK_WATCHER->is_active; - return if $Coro::current == $Coro::main; + return if tick_inhibit || $Coro::current == $Coro::main; my $signal = new Coro::Signal; push @WAIT_FOR_TICK, $signal; @@ -3598,33 +3777,27 @@ } sub wait_for_tick_begin { - return unless $TICK_WATCHER->is_active; - return if $Coro::current == $Coro::main; + return if tick_inhibit || $Coro::current == $Coro::main; my $signal = new Coro::Signal; push @WAIT_FOR_TICK_BEGIN, $signal; $signal->wait; } -$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { +sub tick { if ($Coro::current != $Coro::main) { Carp::cluck "major BUG: server tick called outside of main coro, skipping it" unless ++$bug_warning > 10; return; } - $NOW = $tick_start = EV::now; - cf::server_tick; # one server iteration - $RUNTIME += $TICK; - $NEXT_TICK = $_[0]->at; - if ($NOW >= $NEXT_RUNTIME_WRITE) { $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; Coro::async_pool { $Coro::current->{desc} = "runtime saver"; - write_runtime + write_runtime_sync or warn "ERROR: unable to write runtime file: $!"; }; } @@ -3636,24 +3809,30 @@ $sig->send; } - $LOAD = ($NOW - $tick_start) / $TICK; + $LOAD = ($NOW - $TICK_START) / $TICK; $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; - _post_tick; -}; -$TICK_WATCHER->priority (EV::MAXPRI); + if (0) { + if ($NEXT_TICK) { + my $jitter = $TICK_START - $NEXT_TICK; + $JITTER = $JITTER * 0.75 + $jitter * 0.25; + warn "jitter $JITTER\n";#d# + } + } +} { # configure BDB BDB::min_parallel 8; BDB::max_poll_reqs $TICK * 0.1; - $Coro::BDB::WATCHER->priority (1); + $AnyEvent::BDB::WATCHER->priority (1); unless ($DB_ENV) { $DB_ENV = BDB::db_env_create; - $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC - | BDB::LOG_AUTOREMOVE, 1); + $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT); + $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7; + $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7; $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); @@ -3689,7 +3868,7 @@ IO::AIO::min_parallel 8; IO::AIO::max_poll_time $TICK * 0.1; - $Coro::AIO::WATCHER->priority (1); + undef $AnyEvent::AIO::WATCHER; } my $_log_backtrace;