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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
15	use Coro 4.1 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.51 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	110	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	111	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	113	our $DB_ENV;
89		114
90	our %CFG;	115	our %CFG;
91		116
92	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
94		120
95	our (%PLAYER, %PLAYER_LOADING); # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
98		124
99	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		127
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
105		132
106	binmode STDOUT;	133	binmode STDOUT;
107	binmode STDERR;	134	binmode STDERR;
108		135
109	# read virtual server time, if available	136	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
114	}	141	}
115		142
116	mkdir $_	143	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		221
195	LOG llevError, $msg;	222	LOG llevError, $msg;
196	};	223	};
197	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
198		240
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	251	for my $pkg (qw(
210	cf::global cf::attachable	252	cf::global cf::attachable
211	cf::object cf::object::player	253	cf::object cf::object::player
212	cf::client cf::player	254	cf::client cf::player
213	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
214	cf::map cf::party cf::region	257	cf::party cf::region
215	)) {	258	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	260	}
219		261
220	$Event::DIED = sub {	262	$EV::DIED = sub {
221	warn "error in event callback: @_";	263	warn "error in event callback: @_";
222	};	264	};
223		265
224	#############################################################################	266	#############################################################################
225		267
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	291	$d
250	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
251	}	293	}
252		294
253	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
254		296
255	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
256		298
257	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
258		300
259	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
260		302
261	=cut	303	=cut
262		304
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		306
265	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
267		309
268	=item cf::lock_wait $string	310	=item cf::lock_wait $string
269		311
270	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
271		313
…		…
299	return;#d#	341	return;#d#
300	}#d#	342	}#d#
301		343
302	# wait for lock, if any	344	# wait for lock, if any
303	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
304	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;	348	Coro::schedule;
306	}	349	}
307	}	350	}
308		351
…		…
327		370
328	! ! $LOCK{$key}	371	! ! $LOCK{$key}
329	}	372	}
330		373
331	sub freeze_mainloop {	374	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
333		376
334	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	378	}
336	};	379
337	$TICK_WATCHER->stop;	380	=item cf::periodic $interval, $cb
338	$guard	381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
339	}	393	}
340		394
341	=item cf::get_slot $time[, $priority[, $name]]	395	=item cf::get_slot $time[, $priority[, $name]]
342		396
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	437	}
384	}	438	}
385	};	439	};
386		440
387	sub get_slot($;$$) {	441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
388	my ($time, $pri, $name) = @_;	444	my ($time, $pri, $name) = @_;
389		445
390	$time = $TICK * .6 if $time > $TICK * .6;	446	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	447	my $sig = new Coro::Signal;
392		448
…		…
422		478
423	sub sync_job(&) {	479	sub sync_job(&) {
424	my ($job) = @_;	480	my ($job) = @_;
425		481
426	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	483	my $time = EV::time;
428		484
429	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
431		487
432	LOG llevError, Carp::longmess "sync job";#d#	488	LOG llevError, Carp::longmess "sync job";#d#
433		489
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
437		491
438	my $busy = 1;	492	my $busy = 1;
439	my @res;	493	my @res;
440		494
…		…
447		501
448	while ($busy) {	502	while ($busy) {
449	if (Coro::nready) {	503	if (Coro::nready) {
450	Coro::cede_notself;	504	Coro::cede_notself;
451	} else {	505	} else {
452	Event::one_event;	506	EV::loop EV::LOOP_ONESHOT;
453	}	507	}
454	}	508	}
455		509
456	$time = Event::time - $time;	510	my $time = EV::time - $time;
457		511
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
462		513
463	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
464	} else {	515	} else {
465	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
466		517
…		…
491	=item fork_call { }, $args	542	=item fork_call { }, $args
492		543
493	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
497		548
498	=cut	549	=cut
499		550
500	sub fork_call(&@) {	551	sub fork_call(&@) {
501	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
…		…
508	reset_signals;	559	reset_signals;
509	&$cb	560	&$cb
510	}, @args;	561	}, @args;
511		562
512	wantarray ? @res : $res[-1]	563	wantarray ? @res : $res[-1]
		564	}
		565
		566	=item $coin = coin_from_name $name
		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
513	}	591	}
514		592
515	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
516		594
517	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
656		734
657	#############################################################################	735	#############################################################################
658		736
659	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
660		738
661	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
664		742
665	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
716	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
717		795
718	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
720		798
721	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
723		801
724	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
725		803
726	=over 4	804	=over 4
…		…
954	}	1032	}
955		1033
956	0	1034	0
957	}	1035	}
958		1036
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1038
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1040
963	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
964		1042
…		…
1017		1095
1018	sub reattach {	1096	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1098	my ($obj) = @_;
1021		1099
		1100	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1102
1024	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
1025		1104
1026	@$registry = ();	1105	@$registry = ();
1027		1106
…		…
1042	cf::attachable->attach (	1121	cf::attachable->attach (
1043	prio => -1000000,	1122	prio => -1000000,
1044	on_instantiate => sub {	1123	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
1046		1125
1047	$data = from_json $data;	1126	$data = decode_json $data;
1048		1127
1049	for (@$data) {	1128	for (@$data) {
1050	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
1051		1130
1052	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1152	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
1076		1155
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
1081	close $fh;	1160	aio_close $fh;
1082		1161
1083	if (@$objs) {	1162	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
1089	close $fh;	1168	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1170	}
1092	} else {	1171	} else {
1093	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
1094	}	1173	}
…		…
1263		1342
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1345
1267	$ext{source} =	1346	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1270	. $source	1349	. $source
1271	. "\n};\n1";	1350	. "\n};\n1";
1272		1351
1273	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1291		1370
1292	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1372	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1374	}
1297		1375
1298	warn $msg;	1376	warn $msg;
1299	}	1377	}
1300		1378
…		…
1314		1392
1315	=back	1393	=back
1316		1394
1317	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1318		1396
1319	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1320		1398
1321	=cut	1399	=cut
1322		1400
1323	package cf::player;	1401	package cf::player;
1324		1402
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1467	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1468	or return;
1391		1469
1392	my $pl = cf::player::load_pl $f	1470	my $pl = cf::player::load_pl $f
1393	or return;	1471	or return;
		1472
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1473	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1474	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1397	}	1476	}
1398	}	1477	}
…		…
1408		1487
1409	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1410		1489
1411	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
		1492
		1493	cf::get_slot 0.01;
1413		1494
1414	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1496	cf::cede_to_tick;
1416	}	1497	}
1417		1498
…		…
1449	my ($pl) = @_;	1530	my ($pl) = @_;
1450		1531
1451	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1452		1533
1453	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1536
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1460		1543
1461	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1584
1502	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
1503	my $path = path $login;	1586	my $path = path $login;
1504		1587
1505	# a .pst is a dead give-away for a valid player	1588	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1594	}
1511		1595
…		…
1542	}	1626	}
1543		1627
1544	\@paths	1628	\@paths
1545	}	1629	}
1546		1630
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1632
1549	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1634
1640	=item $player->ext_reply ($msgid, @msg)	1635	=item $player->ext_reply ($msgid, @msg)
1641		1636
1642	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1643		1638
…		…
1710	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1712		1707
1713	sub generate_random_map {	1708	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1715	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1716	$self->_create_random_map (	1714	$self->_create_random_map (
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1841		1839
1842	# the temporary/swap location	1840	# the temporary/swap location
1843	sub save_path {	1841	sub save_path {
1844	my ($self) = @_;	1842	my ($self) = @_;
1845		1843
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1848	}	1846	}
1849		1847
1850	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1851	sub uniq_path {	1849	sub uniq_path {
1852	my ($self) = @_;	1850	my ($self) = @_;
1853		1851
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1856	}	1854	}
1857		1855
1858	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1859	# all maps in C++...	1857	# all maps in C++...
…		…
1957		1955
1958	cf::lock_wait "map_data:$path";#d#remove	1956	cf::lock_wait "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1960		1958
1961	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961	my $guard2 = cf::lock_acquire "map_find:$path";
1964		1962
1965	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1966	or return;	1964	or return;
1967		1965
1968	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
…		…
1971	or return;	1969	or return;
1972		1970
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
1976	undef $guard1;	1975	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	1976	$map->reset;
1979	return find $path;	1977	return find $path;
1980	}	1978	}
1981		1979
1982	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
…		…
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2008	$f->skip_block;
2011	$self->_load_objects ($f)	2009	$self->_load_objects ($f)
2012	or return;	2010	or return;
2013		2011
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
2015	if delete $self->{load_original};	2013	if delete $self->{load_original};
2016		2014
2017	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2016	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2017	unless (aio_stat $uniq) {
…		…
2045	}	2043	}
2046		2044
2047	$self->{last_save} = $cf::RUNTIME;	2045	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2046	$self->last_access ($cf::RUNTIME);
2049		2047
2050	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
2051	}	2049	}
2052		2050
2053	$self->post_load;	2051	$self->post_load;
2054	}	2052	}
2055		2053
…		…
2113	my ($path, $origin, $load) = @_;	2111	my ($path, $origin, $load) = @_;
2114		2112
2115	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
2116		2114
2117	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119	}	2117	}
2120		2118
2121	$MAP_PREFETCH{$path} |= $load;	2119	$MAP_PREFETCH{$path} |= $load;
2122		2120
2123	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
…		…
2160	cf::async {	2158	cf::async {
2161	$Coro::current->{desc} = "map player save";	2159	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
2163	};	2161	};
2164		2162
		2163	cf::get_slot 0.02;
		2164
2165	if ($uniq) {	2165	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2168	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2177	$self->save;	2177	$self->save;
2178		2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2180
2181	return if $self->players;	2181	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
2183	return if $self->{deny_save};	2183	return if $self->{deny_save};
2184		2184
2185	$self->in_memory (cf::MAP_SWAPPED);	2185	$self->in_memory (cf::MAP_SWAPPED);
2186		2186
2187	$self->deactivate;	2187	$self->deactivate;
…		…
2305		2305
2306	sub unique_maps() {	2306	sub unique_maps() {
2307	[	2307	[
2308	map {	2308	map {
2309	utf8::decode $_;	2309	utf8::decode $_;
2310	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2311	? normalise $_	2313	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2315	]
2315	}	2316	}
2316		2317
2317	package cf;
2318
2319	=back	2318	=back
2320		2319
2321	=head3 cf::object	2320	=head3 cf::object
2322		2321
2323	=cut	2322	=cut
…		…
2326		2325
2327	=over 4	2326	=over 4
2328		2327
2329	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2330		2329
2331	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2332		2332
2333	=cut	2333	=cut
2334		2334
2335	sub inv_recursive_;	2335	sub inv_recursive_;
2336	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2342	}	2342	}
2343		2343
2344	=item $ref = $ob->ref	2344	=item $ref = $ob->ref
2345		2345
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2346	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2347
2348	=item $ob = cf::object::deref ($refstring)	2348	=item $ob = cf::object::deref ($refstring)
2349		2349
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2351	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2385		2385
2386	=cut	2386	=cut
2387		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
		2401
2388	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2403	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2406	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2419
2406	} else {	2420	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2423	}
2410	}	2424	}
2411	}	2425	}
2412		2426
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2452
2439	=item $player_object->enter_link	2453	=item $player_object->enter_link
2440		2454
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2456
2443	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2445		2461
2446	Will never block.	2462	Will never block.
2447		2463
2448	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2449		2465
…		…
2507		2523
2508	$map->load;	2524	$map->load;
2509	$map->load_neighbours;	2525	$map->load_neighbours;
2510		2526
2511	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2512	$self->activate_recursive;	2529	$self->activate_recursive;
2513		2530
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2516	}	2533	}
…		…
2520	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2540	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
2525		2545
2526	=cut	2546	=cut
2527		2547
2528	our $GOTOGEN;	2548	our $GOTOGEN;
2529		2549
…		…
2608	}	2628	}
2609		2629
2610	sub prepare_random_map {	2630	sub prepare_random_map {
2611	my ($exit) = @_;	2631	my ($exit) = @_;
2612		2632
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2635	# that depends on the exit object
2618		2636
2619	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2639	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2626	}	2646	}
2627		2647
2628	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2629		2649
2630	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2633		2653
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2656	undef $fh;
2637	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2638		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2641	}	2665	}
2642	}	2666	}
2643		2667
2644	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2646		2670
2647	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2648		2672
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2673	$self->enter_link;
2661		2674
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2675	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2676	$Coro::current->{desc} = "enter_exit";
2668		2677
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2671	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2672		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2673	1;	2699	1
2674	}) {	2700	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2705
2680	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2746	id => "infobox",	2772	id => "infobox",
2747	title => "Body Parts",	2773	title => "Body Parts",
2748	reply => undef,	2774	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	2775	tooltip => "Shows which body parts you posess and are available",
2750	},	2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
2751	"c/uptime" => {	2783	"c/uptime" => {
2752	id => "infobox",	2784	id => "infobox",
2753	title => "Uptime",	2785	title => "Uptime",
2754	reply => undef,	2786	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	2787	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	2790	id => "infobox",
2759	title => "Map Info",	2791	title => "Map Info",
2760	reply => undef,	2792	reply => undef,
2761	tooltip => "Information related to the maps",	2793	tooltip => "Information related to the maps",
2762	},	2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
2763	);	2801	);
2764		2802
2765	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2767		2805
2768	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
2769		2808
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		2810
2772	# check predefined channels, for the benefit of C	2811	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	2812	if ($CHANNEL{$channel}) {
…		…
2794	if ($self->can_msg) {	2833	if ($self->can_msg) {
2795	# default colour, mask it out	2834	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	2836	if $color & cf::NDI_DEF;
2798		2837
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
2801	} else {	2854	} else {
2802	if ($color >= 0) {	2855	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones	2856	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {	2857	for ($msg) {
2805	1 while	2858	1 while
…		…
3004		3057
3005	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
3006		3059
3007	cf::object	3060	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3061	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3062	insert remove name archname title slaying race decrease split
3010		3063
3011	cf::object::player	3064	cf::object::player
3012	player	3065	player
3013		3066
3014	cf::player	3067	cf::player
…		…
3019		3072
3020	=cut	3073	=cut
3021		3074
3022	for (	3075	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3077	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3078	decrease split destroy change_exp)],
3026	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
3028	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
3029	) {	3082	) {
3030	no strict 'refs';	3083	no strict 'refs';
…		…
3135	{	3188	{
3136	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
3137		3190
3138	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
3140	cf::face::set_visibility $idx, $info->{visibility};	3194	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3195	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144		3198
3145	cf::cede_to_tick;	3199	cf::cede_to_tick;
3146	}	3200	}
3147		3201
3148	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
3150	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
3151	or next;	3206	or next;
		3207
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3209	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3211	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3174	{	3230	{
3175	# TODO: for gcfclient pleasure, we should give resources	3231	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.	3232	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3233	my $res = $facedata->{resource};
3178		3234
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;	3238	my $data;
3184		3239
3185	if ($info->{type} & 1) {	3240	if ($info->{type} & 1) {
3186	# prepend meta info	3241	# prepend meta info
3187		3242
3188	my $meta = $enc->encode ({	3243	my $meta = $enc->encode ({
3189	name => $name,	3244	name => $name,
3190	%{ $info->{meta} || {} },	3245	%{ $info->{meta} || {} },
3191	});	3246	});
3192		3247
3193	$data = pack "(w/a*)*", $meta, $info->{data};	3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
3194	} else {	3255	} else {
3195	$data = $info->{data};	3256	$RESOURCE{$name} = $info;
3196	}	3257	}
3197		3258
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3259	cf::cede_to_tick;
3202	}	3260	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3264
3223	1	3265	1
3224	}	3266	}
		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
3225		3287
3226	register_exticmd fx_want => sub {	3288	register_exticmd fx_want => sub {
3227	my ($ns, $want) = @_;	3289	my ($ns, $want) = @_;
3228		3290
3229	while (my ($k, $v) = each %$want) {	3291	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3292	$ns->fx_want ($k, $v);
3231	}	3293	}
3232	};	3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
3233		3305
3234	sub reload_regions {	3306	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3307	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3308	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3309	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3323	}
3252		3324
3253	sub reload_archetypes {	3325	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3326	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3328	}
3262		3329
3263	sub reload_treasures {	3330	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3331	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3332	or die "unable to load treasurelists\n";
3266	}	3333	}
3267		3334
3268	sub reload_resources {	3335	sub reload_resources {
3269	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
3270		3337
		3338	reload_facedata;
		3339	reload_archetypes;
3271	reload_regions;	3340	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3341	reload_treasures;
3276		3342
3277	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
3278	}	3344	}
3279		3345
3280	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
3281	reload_resources;	3351	reload_resources;
3282	}	3352	}
3283		3353
3284	sub reload_config {	3354	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3286	or return;	3356	or return;
3287		3357
3288	local $/;	3358	local $/;
3289	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
3290		3360
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292		3362
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3300	};	3370	};
3301	warn $@ if $@;	3371	warn $@ if $@;
3302	}	3372	}
3303	}	3373	}
3304		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
3305	sub main {	3394	sub main {
		3395	atomic;
		3396
3306	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3400	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3402	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
3313	};	3404	};
3314		3405
		3406	{
		3407	my $guard = freeze_mainloop;
3315	reload_config;	3408	reload_config;
3316	db_init;	3409	db_init;
3317	load_extensions;	3410	load_extensions;
3318		3411
3319	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
3320	Event::loop;	3420	EV::loop;
3321	}	3421	}
3322		3422
3323	#############################################################################	3423	#############################################################################
3324	# initialisation and cleanup	3424	# initialisation and cleanup
3325		3425
3326	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
3327	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
3336	},
3337	);	3432	};
3338	}	3433	}
3339	}	3434	}
3340		3435
3341	sub write_runtime {	3436	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";
3343
3344	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
3346		3439
3347	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3441
3349	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
3350		3443
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3352	or return;	3445	or return;
3353		3446
3354	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
3367		3460
3368	close $fh	3461	close $fh
3369	or return;	3462	or return;
3370		3463
3371	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3465	and return;
3373		3466
3374	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
3375		3468
3376	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
3377	}	3513	}
3378		3514
3379	sub emergency_save() {	3515	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
3381		3517
…		…
3403	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
3404		3540
3405	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
3408	};	3548	};
3409		3549
3410	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
3411	}	3551	}
3412		3552
3413	sub post_cleanup {	3553	sub post_cleanup {
3414	my ($make_core) = @_;	3554	my ($make_core) = @_;
3415		3555
3416	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
3418	}	3587	}
3419		3588
3420	sub do_reload_perl() {	3589	sub do_reload_perl() {
3421	# can/must only be called in main	3590	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
3423	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
3424	return;	3593	return;
3425	}	3594	}
3426		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
3427	warn "reloading...";	3599	warn "reloading...";
3428		3600
3429	warn "entering sync_job";	3601	warn "entering sync_job";
3430		3602
3431	cf::sync_job {	3603	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
3433	cf::emergency_save;	3605	cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
3435		3607
3436	warn "syncing database to disk";	3608	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3438		3610
3439	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
3440		3612
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
3452	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();
3460
3461	warn "removing commands";
3462	%COMMAND = ();
3463
3464	warn "removing ext/exti commands";
3465	%EXTCMD = ();
3466	%EXTICMD = ();
3467
3468	warn "unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";
3471
3472	if (my $cb = $pkg->can ("unload")) {
3473	eval {
3474	$cb->($pkg);
3475	1
3476	} or warn "$pkg unloaded, but with errors: $@";
3477	}	3616	}
3478		3617
3479	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
3480	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
3481	}	3620	%EXT_CORO = ();
3482		3621
3483	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
3484	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
3487	warn "... unloading $k";	3631	warn "... unloading $pkg";
3488	delete $INC{$k};
3489		3632
3490	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;
3492
3493	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
3494	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
3495	}	3642	}
3496		3643
3497	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
3498	}	3659	}
3499		3660
3500	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		3664
3504	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
3507		3668
3508	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
3509	# and global variables created in xs	3670	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
3511		3672
3512	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
3513		3674
3514	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
3515	require cf;	3676	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3517		3678
3518	warn "loading config and database again";	3679	warn "loading config and database again";
3519	cf::reload_config;	3680	cf::reload_config;
3520		3681
3521	warn "loading extensions";	3682	warn "loading extensions";
3522	cf::load_extensions;	3683	cf::load_extensions;
3523		3684
3524	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
3527	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
3530		3691
3531	warn "leaving sync_job";	3692	warn "leaving sync_job";
3532		3693
3533	1	3694	1
3534	} or do {	3695	} or do {
3535	warn $@;	3696	warn $@;
3536	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
3537	exit 1;
3538	};	3698	};
3539		3699
3540	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
3541	};	3703	};
3542		3704
3543	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
3544		3706
3545	sub reload_perl() {	3707	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3548		3710
3549	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3550	reentrant => 0,
3551	after => 0,
3552	data => WF_AUTOCANCEL,
3553	cb => sub {
3554	do_reload_perl;	3712	do_reload_perl;
3555	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3556	},
3557	);	3714	};
3558	}	3715	}
3559		3716
3560	register_command "reload" => sub {	3717	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3562		3719
…		…
3575		3732
3576	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3578		3735
3579	sub wait_for_tick {	3736	sub wait_for_tick {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3582		3738
3583	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	3741	$signal->wait;
3586	}	3742	}
3587		3743
3588	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3591		3746
3592	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	3749	$signal->wait;
3595	}	3750	}
3596		3751
3597	$TICK_WATCHER = Event->timer (	3752	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3607	return;	3756	return;
3608	}	3757	}
3609		3758
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3613		3760
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	3763	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	3764	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	3765	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
3623	};
3624	}	3767	};
		3768	}
3625		3769
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	3771	$sig->send;
3628	}	3772	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	3774	$sig->send;
3631	}	3775	}
3632		3776
3633	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		3779
3644	_post_tick;	3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3645	},	3786	}
3646	);	3787	}
3647		3788
3648	{	3789	{
		3790	# configure BDB
		3791
3649	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3650	BDB::max_poll_time $TICK * 0.1;	3793	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	3794	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		3795
3675	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		3803
3682	cf::sync_job {	3804	cf::sync_job {
3683	eval {	3805	eval {
…		…
3693		3815
3694	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	3817	};
3696	}	3818	}
3697		3819
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	3822	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	3825	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	3828	};
3728	}	3829	}
3729		3830
3730	{	3831	{
		3832	# configure IO::AIO
		3833
3731	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	3837	}
3744		3838
3745	my $_log_backtrace;	3839	my $_log_backtrace;
3746		3840
3747	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3750	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3751		3845
3752	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3754	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3755	async {	3850	async {
3756	$Coro::current->{desc} = "abt $msg";	3851	$Coro::current->{desc} = "abt $msg";
3757		3852
3758	my @bt = fork_call {	3853	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	3865	}
3771		3866
3772	@funcs	3867	@funcs
3773	};	3868	};
3774		3869
3775	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	3873	--$_log_backtrace;
3778	};	3874	};
3779	} else {	3875	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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