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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 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
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		71
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		73
52	our %COMMAND = ();	74	our %COMMAND = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
60		82
61	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
62	our @EVENT;	84	our @EVENT;
63		85
64	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	87	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
75		101
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	104	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		106
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	107	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	108	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	110	our $DB_ENV;
89		111
90	our %CFG;	112	our %CFG;
91		113
92	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
94		117
95	our (%PLAYER, %PLAYER_LOADING); # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
98		121
99	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		124
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
105		129
106	binmode STDOUT;	130	binmode STDOUT;
107	binmode STDERR;	131	binmode STDERR;
108		132
109	# read virtual server time, if available	133	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
114	}	138	}
115		139
116	mkdir $_	140	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		186
163	The raw value load value from the last tick.	187	The raw value load value from the last tick.
164		188
165	=item %cf::CFG	189	=item %cf::CFG
166		190
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	192	from wherever your confdir points to.
169		193
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		195
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		218
195	LOG llevError, $msg;	219	LOG llevError, $msg;
196	};	220	};
197	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
198		237
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	248	for my $pkg (qw(
210	cf::global cf::attachable	249	cf::global cf::attachable
211	cf::object cf::object::player	250	cf::object cf::object::player
212	cf::client cf::player	251	cf::client cf::player
213	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
214	cf::map cf::party cf::region	254	cf::party cf::region
215	)) {	255	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	257	}
219		258
220	$Event::DIED = sub {	259	$EV::DIED = sub {
221	warn "error in event callback: @_";	260	warn "error in event callback: @_";
222	};	261	};
223		262
224	#############################################################################	263	#############################################################################
225		264
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	288	$d
250	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
251	}	290	}
252		291
253	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
254		293
255	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
256		295
257	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
258		297
259	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
260		299
261	=cut	300	=cut
262		301
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		303
265	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
267		306
268	=item cf::lock_wait $string	307	=item cf::lock_wait $string
269		308
270	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
271		310
…		…
327		366
328	! ! $LOCK{$key}	367	! ! $LOCK{$key}
329	}	368	}
330		369
331	sub freeze_mainloop {	370	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
333		372
334	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	374	}
336	};	375
337	$TICK_WATCHER->stop;	376	=item cf::periodic $interval, $cb
338	$guard	377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
339	}	389	}
340		390
341	=item cf::get_slot $time[, $priority[, $name]]	391	=item cf::get_slot $time[, $priority[, $name]]
342		392
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	433	}
384	}	434	}
385	};	435	};
386		436
387	sub get_slot($;$$) {	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
388	my ($time, $pri, $name) = @_;	440	my ($time, $pri, $name) = @_;
389		441
390	$time = $TICK * .6 if $time > $TICK * .6;	442	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	443	my $sig = new Coro::Signal;
392		444
…		…
406		458
407	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
408		460
409	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
410		462
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	464	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	466	acceptable.
415		467
416	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		474
423	sub sync_job(&) {	475	sub sync_job(&) {
424	my ($job) = @_;	476	my ($job) = @_;
425		477
426	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	479	my $time = EV::time;
428		480
429	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
431		483
432	LOG llevError, Carp::longmess "sync job";#d#	484	LOG llevError, Carp::longmess "sync job";#d#
433		485
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
437		487
438	my $busy = 1;	488	my $busy = 1;
439	my @res;	489	my @res;
440		490
…		…
447		497
448	while ($busy) {	498	while ($busy) {
449	if (Coro::nready) {	499	if (Coro::nready) {
450	Coro::cede_notself;	500	Coro::cede_notself;
451	} else {	501	} else {
452	Event::one_event;	502	EV::loop EV::LOOP_ONESHOT;
453	}	503	}
454	}	504	}
455		505
456	$time = Event::time - $time;	506	my $time = EV::time - $time;
457		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
462		509
463	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
464	} else {	511	} else {
465	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
466		513
…		…
491	=item fork_call { }, $args	538	=item fork_call { }, $args
492		539
493	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
497		544
498	=cut	545	=cut
499		546
500	sub fork_call(&@) {	547	sub fork_call(&@) {
501	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
…		…
508	reset_signals;	555	reset_signals;
509	&$cb	556	&$cb
510	}, @args;	557	}, @args;
511		558
512	wantarray ? @res : $res[-1]	559	wantarray ? @res : $res[-1]
		560	}
		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
513	}	587	}
514		588
515	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
516		590
517	Returns a single value from the environment database.	591	Returns a single value from the environment database.
…		…
656		730
657	#############################################################################	731	#############################################################################
658		732
659	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
660		734
661	Many objects in crossfire are so-called attachable objects. That means you can	735	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")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
664		738
665	In the following description, CLASS can be any of C<global>, C<object>	739	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	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	741	Deliantra).
668		742
669	=over 4	743	=over 4
670		744
671	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
672		746
…		…
716	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
717		791
718	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
720		794
721	Some classes such as crossfire maps and objects can specify attachments	795	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.	796	that are attached at load/instantiate time, thus the need for a name.
723		797
724	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
725		799
726	=over 4	800	=over 4
…		…
954	}	1028	}
955		1029
956	0	1030	0
957	}	1031	}
958		1032
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1034
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1036
963	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
964		1038
…		…
1017		1091
1018	sub reattach {	1092	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1094	my ($obj) = @_;
1021		1095
		1096	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1098
1024	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
1025		1100
1026	@$registry = ();	1101	@$registry = ();
1027		1102
…		…
1042	cf::attachable->attach (	1117	cf::attachable->attach (
1043	prio => -1000000,	1118	prio => -1000000,
1044	on_instantiate => sub {	1119	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
1046		1121
1047	$data = from_json $data;	1122	$data = decode_json $data;
1048		1123
1049	for (@$data) {	1124	for (@$data) {
1050	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
1051		1126
1052	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1148	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
1076		1151
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
1081	close $fh;	1156	aio_close $fh;
1082		1157
1083	if (@$objs) {	1158	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
1089	close $fh;	1164	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1166	}
1092	} else {	1167	} else {
1093	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1094	}	1169	}
…		…
1263		1338
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1341
1267	$ext{source} =	1342	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1270	. $source	1345	. $source
1271	. "\n};\n1";	1346	. "\n};\n1";
1272		1347
1273	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1291		1366
1292	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1368	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1370	}
1297		1371
1298	warn $msg;	1372	warn $msg;
1299	}	1373	}
1300		1374
…		…
1314		1388
1315	=back	1389	=back
1316		1390
1317	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
1318		1392
1319	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
1320		1394
1321	=cut	1395	=cut
1322		1396
1323	package cf::player;	1397	package cf::player;
1324		1398
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1463	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1464	or return;
1391		1465
1392	my $pl = cf::player::load_pl $f	1466	my $pl = cf::player::load_pl $f
1393	or return;	1467	or return;
		1468
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1469	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1470	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1397	}	1472	}
1398	}	1473	}
…		…
1408		1483
1409	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1410		1485
1411	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
		1488
		1489	cf::get_slot 0.01;
1413		1490
1414	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1492	cf::cede_to_tick;
1416	}	1493	}
1417		1494
…		…
1449	my ($pl) = @_;	1526	my ($pl) = @_;
1450		1527
1451	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1452		1529
1453	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1532
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1460		1539
1461	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1580
1502	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
1503	my $path = path $login;	1582	my $path = path $login;
1504		1583
1505	# a .pst is a dead give-away for a valid player	1584	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1590	}
1511		1591
…		…
1542	}	1622	}
1543		1623
1544	\@paths	1624	\@paths
1545	}	1625	}
1546		1626
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1628
1549	Expand crossfire pod fragments into protocol xml.	1629	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	(?:
1558	\ (.*?)\ (?{ $group = $^N })
1559	| < (??{$interior}) >
1560	)
1561	}x;
1562
1563	sub expand_cfpod {
1564	my ($self, $pod) = @_;
1565
1566	my $xml;
1567
1568	while () {
1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570	$group = $1;
1571
1572	$group =~ s/&/&amp;/g;
1573	$group =~ s/</&lt;/g;
1574
1575	$xml .= $group;
1576	} elsif ($pod =~ m%\G
1577	([BCGHITU])
1578	<
1579	(?:
1580	([^<>]*) (?{ $group = $^N })
1581	| < $interior >
1582	)
1583	>
1584	%gcsx
1585	) {
1586	my ($code, $data) = ($1, $group);
1587
1588	if ($code eq "B") {
1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590	} elsif ($code eq "I") {
1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592	} elsif ($code eq "U") {
1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594	} elsif ($code eq "C") {
1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596	} elsif ($code eq "T") {
1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598	} elsif ($code eq "G") {
1599	my ($male, $female) = split /\|/, $data;
1600	$data = $self->gender ? $female : $male;
1601	$xml .= expand_cfpod ($self, $data);
1602	} elsif ($code eq "H") {
1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605	"")
1606	[$self->{hintmode}];
1607	} else {
1608	$xml .= "error processing '$code($data)' directive";
1609	}
1610	} else {
1611	if ($pod =~ /\G(.+)/) {
1612	warn "parse error while expanding $pod (at $1)";
1613	}
1614	last;
1615	}
1616	}
1617
1618	for ($xml) {
1619	# create single paragraphs (very hackish)
1620	s/(?<=\S)\n(?=\w)/ /g;
1621
1622	# compress some whitespace
1623	s/\s+\n/\n/g; # ws line-ends
1624	s/\n\n+/\n/g; # double lines
1625	s/^\n+//; # beginning lines
1626	s/\n+$//; # ending lines
1627	}
1628
1629	$xml
1630	}
1631
1632	sub hintmode {
1633	$_[0]{hintmode} = $_[1] if @_ > 1;
1634	$_[0]{hintmode}
1635	}
1636		1630
1637	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1638		1632
1639	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1640		1634
…		…
1707	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1709		1703
1710	sub generate_random_map {	1704	sub generate_random_map {
1711	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1712	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1713	$self->_create_random_map (	1710	$self->_create_random_map (
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1838		1835
1839	# the temporary/swap location	1836	# the temporary/swap location
1840	sub save_path {	1837	sub save_path {
1841	my ($self) = @_;	1838	my ($self) = @_;
1842		1839
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1845	}	1842	}
1846		1843
1847	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1848	sub uniq_path {	1845	sub uniq_path {
1849	my ($self) = @_;	1846	my ($self) = @_;
1850		1847
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1853	}	1850	}
1854		1851
1855	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1856	# all maps in C++...	1853	# all maps in C++...
…		…
1954		1951
1955	cf::lock_wait "map_data:$path";#d#remove	1952	cf::lock_wait "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1957		1954
1958	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_find:$path";
1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1957	my $guard2 = cf::lock_acquire "map_find:$path";
1961		1958
1962	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1963	or return;	1960	or return;
1964		1961
1965	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
…		…
1968	or return;	1965	or return;
1969		1966
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
1973	undef $guard1;	1971	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	1972	$map->reset;
1976	return find $path;	1973	return find $path;
1977	}	1974	}
1978		1975
1979	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
…		…
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2004	$f->skip_block;
2008	$self->_load_objects ($f)	2005	$self->_load_objects ($f)
2009	or return;	2006	or return;
2010		2007
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
2012	if delete $self->{load_original};	2009	if delete $self->{load_original};
2013		2010
2014	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2012	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2013	unless (aio_stat $uniq) {
…		…
2042	}	2039	}
2043		2040
2044	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
2046		2043
2047	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2045	}
2049		2046
2050	$self->post_load;	2047	$self->post_load;
2051	}	2048	}
2052		2049
…		…
2110	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
2111		2108
2112	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
2113		2110
2114	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116	}	2113	}
2117		2114
2118	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
2119		2116
2120	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
…		…
2157	cf::async {	2154	cf::async {
2158	$Coro::current->{desc} = "map player save";	2155	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2160	};	2157	};
2161		2158
		2159	cf::get_slot 0.02;
		2160
2162	if ($uniq) {	2161	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2164	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2174	$self->save;	2173	$self->save;
2175		2174
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2176
2178	return if $self->players;	2177	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2180	return if $self->{deny_save};	2179	return if $self->{deny_save};
2181		2180
2182	$self->in_memory (cf::MAP_SWAPPED);	2181	$self->in_memory (cf::MAP_SWAPPED);
2183		2182
2184	$self->deactivate;	2183	$self->deactivate;
…		…
2302		2301
2303	sub unique_maps() {	2302	sub unique_maps() {
2304	[	2303	[
2305	map {	2304	map {
2306	utf8::decode $_;	2305	utf8::decode $_;
2307	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2308	? normalise $_	2309	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2311	]
2312	}	2312	}
2313		2313
2314	package cf;
2315
2316	=back	2314	=back
2317		2315
2318	=head3 cf::object	2316	=head3 cf::object
2319		2317
2320	=cut	2318	=cut
…		…
2323		2321
2324	=over 4	2322	=over 4
2325		2323
2326	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2327		2325
2328	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2329		2328
2330	=cut	2329	=cut
2331		2330
2332	sub inv_recursive_;	2331	sub inv_recursive_;
2333	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2339	}	2338	}
2340		2339
2341	=item $ref = $ob->ref	2340	=item $ref = $ob->ref
2342		2341
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2342	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2343
2345	=item $ob = cf::object::deref ($refstring)	2344	=item $ob = cf::object::deref ($refstring)
2346		2345
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348	even if the object actually exists. May block.	2347	even if the object actually exists. May block.
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2382		2381
2383	=cut	2382	=cut
2384		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
		2397
2385	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2399	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2402	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2415
2403	} else {	2416	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2419	}
2407	}	2420	}
2408	}	2421	}
2409		2422
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2448
2436	=item $player_object->enter_link	2449	=item $player_object->enter_link
2437		2450
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2452
2440	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
2441	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2442		2457
2443	Will never block.	2458	Will never block.
2444		2459
2445	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2446		2461
…		…
2504		2519
2505	$map->load;	2520	$map->load;
2506	$map->load_neighbours;	2521	$map->load_neighbours;
2507		2522
2508	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2509	$self->activate_recursive;	2525	$self->activate_recursive;
2510		2526
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2513	}	2529	}
…		…
2517	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2518	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2519	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
2520	the new (success) or old (failed) map position. In either case, $done will	2536	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
2522		2541
2523	=cut	2542	=cut
2524		2543
2525	our $GOTOGEN;	2544	our $GOTOGEN;
2526		2545
…		…
2605	}	2624	}
2606		2625
2607	sub prepare_random_map {	2626	sub prepare_random_map {
2608	my ($exit) = @_;	2627	my ($exit) = @_;
2609		2628
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2631	# that depends on the exit object
2615		2632
2616	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2635	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2623	}	2642	}
2624		2643
2625	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2626		2645
2627	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2630		2649
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2652	undef $fh;
2634	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2635		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2638	}	2661	}
2639	}	2662	}
2640		2663
2641	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2643		2666
2644	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2645		2668
2646	if ($exit->slaying eq "/!") {
2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
2648	# the problem is that $exit might not survive long enough
2649	# so it needs to be done right now, right here
2650	cf::sync_job { prepare_random_map $exit };
2651	}
2652
2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2654	my $hp = $exit->stats->hp;
2655	my $sp = $exit->stats->sp;
2656
2657	$self->enter_link;	2669	$self->enter_link;
2658		2670
2659	# if exit is damned, update players death & WoR home-position
2660	$self->contr->savebed ($slaying, $hp, $sp)
2661	if $exit->flag (FLAG_DAMNED);
2662
2663	(async {	2671	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2672	$Coro::current->{desc} = "enter_exit";
2665		2673
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2668	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2669		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2670	1;	2695	1
2671	}) {	2696	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2676		2701
2677	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2755	id => "infobox",	2780	id => "infobox",
2756	title => "Map Info",	2781	title => "Map Info",
2757	reply => undef,	2782	reply => undef,
2758	tooltip => "Information related to the maps",	2783	tooltip => "Information related to the maps",
2759	},	2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
2760	);	2791	);
2761		2792
2762	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2764		2795
2765	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
2766		2798
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		2800
2769	# check predefined channels, for the benefit of C	2801	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	2802	if ($CHANNEL{$channel}) {
…		…
2791	if ($self->can_msg) {	2823	if ($self->can_msg) {
2792	# default colour, mask it out	2824	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	2826	if $color & cf::NDI_DEF;
2795		2827
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
2798	} else {	2844	} else {
2799	if ($color >= 0) {	2845	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones	2846	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {	2847	for ($msg) {
2802	1 while	2848	1 while
…		…
3001		3047
3002	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
3003		3049
3004	cf::object	3050	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3051	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3052	insert remove name archname title slaying race decrease split
3007		3053
3008	cf::object::player	3054	cf::object::player
3009	player	3055	player
3010		3056
3011	cf::player	3057	cf::player
…		…
3016		3062
3017	=cut	3063	=cut
3018		3064
3019	for (	3065	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3067	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3068	decrease split destroy change_exp)],
3023	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
3025	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
3026	) {	3072	) {
3027	no strict 'refs';	3073	no strict 'refs';
…		…
3132	{	3178	{
3133	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
3134		3180
3135	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
3137	cf::face::set_visibility $idx, $info->{visibility};	3184	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3185	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3141		3188
3142	cf::cede_to_tick;	3189	cf::cede_to_tick;
3143	}	3190	}
3144		3191
3145	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
3147	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
3148	or next;	3196	or next;
		3197
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3199	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3201	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3171	{	3220	{
3172	# TODO: for gcfclient pleasure, we should give resources	3221	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.	3222	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3223	my $res = $facedata->{resource};
3175		3224
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;	3228	my $data;
3181		3229
3182	if ($info->{type} & 1) {	3230	if ($info->{type} & 1) {
3183	# prepend meta info	3231	# prepend meta info
3184		3232
3185	my $meta = $enc->encode ({	3233	my $meta = $enc->encode ({
3186	name => $name,	3234	name => $name,
3187	%{ $info->{meta} || {} },	3235	%{ $info->{meta} || {} },
3188	});	3236	});
3189		3237
3190	$data = pack "(w/a*)*", $meta, $info->{data};	3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
3191	} else {	3245	} else {
3192	$data = $info->{data};	3246	$RESOURCE{$name} = $info;
3193	}	3247	}
3194		3248
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;	3249	cf::cede_to_tick;
3199	}	3250	}
3200
3201	if ($soundconf) {
3202	$soundconf = $enc->decode (delete $soundconf->{data});
3203
3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205	my $sound = $soundconf->{compat}[$_]
3206	or next;
3207
3208	my $face = cf::face::find "sound/$sound->[1]";
3209	cf::sound::set $sound->[0] => $face;
3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211	}
3212
3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
3214	my $face = cf::face::find "sound/$v";
3215	cf::sound::set $k => $face;
3216	}
3217	}
3218	}	3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3219		3254
3220	1	3255	1
3221	}	3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
3222		3277
3223	register_exticmd fx_want => sub {	3278	register_exticmd fx_want => sub {
3224	my ($ns, $want) = @_;	3279	my ($ns, $want) = @_;
3225		3280
3226	while (my ($k, $v) = each %$want) {	3281	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3282	$ns->fx_want ($k, $v);
3228	}	3283	}
3229	};	3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
3230		3295
3231	sub reload_regions {	3296	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3297	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3298	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3299	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3248	}	3313	}
3249		3314
3250	sub reload_archetypes {	3315	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3316	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3317	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references
3254	# this really needs to be done in an extra post-pass
3255	# (which needs to be synchronous, so solve it differently)
3256	load_resource_file "$DATADIR/archetypes"
3257	or die "unable to load archetypes\n";
3258	}	3318	}
3259		3319
3260	sub reload_treasures {	3320	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3321	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
3263	}	3323	}
3264		3324
3265	sub reload_resources {	3325	sub reload_resources {
3266	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
3267		3327
		3328	reload_facedata;
		3329	reload_archetypes;
3268	reload_regions;	3330	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3331	reload_treasures;
3273		3332
3274	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
3275	}	3334	}
3276		3335
3277	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
3278	reload_resources;	3341	reload_resources;
3279	}	3342	}
3280		3343
3281	sub reload_config {	3344	sub reload_config {
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
3283	or return;	3346	or return;
3284		3347
3285	local $/;	3348	local $/;
3286	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
3287		3350
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3289		3352
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3291	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3297	};	3360	};
3298	warn $@ if $@;	3361	warn $@ if $@;
3299	}	3362	}
3300	}	3363	}
3301		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
3302	sub main {	3384	sub main {
		3385	atomic;
		3386
3303	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3390	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3392	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
3310	};	3394	};
3311		3395
		3396	{
		3397	my $guard = freeze_mainloop;
3312	reload_config;	3398	reload_config;
3313	db_init;	3399	db_init;
3314	load_extensions;	3400	load_extensions;
3315		3401
3316	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
3317	Event::loop;	3410	EV::loop;
3318	}	3411	}
3319		3412
3320	#############################################################################	3413	#############################################################################
3321	# initialisation and cleanup	3414	# initialisation and cleanup
3322		3415
3323	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
3324	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3327	reentrant => 0,
3328	data => WF_AUTOCANCEL,
3329	signal => $signal,
3330	prio => 0,
3331	cb => sub {
3332	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
3333	},
3334	);	3422	};
3335	}	3423	}
3336	}	3424	}
3337		3425
3338	sub write_runtime {	3426	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";
3340
3341	# first touch the runtime file to show we are still running:	3427	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3428	# the fsync below can take a very very long time.
3343		3429
3344	IO::AIO::aio_utime $runtime, undef, undef;	3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3431
3346	my $guard = cf::lock_acquire "write_runtime";	3432	my $guard = cf::lock_acquire "write_runtime";
3347		3433
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3349	or return;	3435	or return;
3350		3436
3351	my $value = $cf::RUNTIME + 90 + 10;	3437	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3438	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3439	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3449	aio_utime $fh, undef, undef;
3364		3450
3365	close $fh	3451	close $fh
3366	or return;	3452	or return;
3367		3453
3368	aio_rename "$runtime~", $runtime	3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3455	and return;
3370		3456
3371	warn "runtime file written.\n";	3457	warn "runtime file written.\n";
3372		3458
3373	1	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
3374	}	3503	}
3375		3504
3376	sub emergency_save() {	3505	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
3378		3507
…		…
3400	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
3401		3530
3402	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
3405	};	3538	};
3406		3539
3407	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
3408	}	3541	}
3409		3542
3410	sub post_cleanup {	3543	sub post_cleanup {
3411	my ($make_core) = @_;	3544	my ($make_core) = @_;
3412		3545
3413	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
3415	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
3416		3580
3417	sub do_reload_perl() {	3581	sub do_reload_perl() {
3418	# can/must only be called in main	3582	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
3420	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
3421	return;	3585	return;
3422	}	3586	}
3423		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
3424	warn "reloading...";	3591	warn "reloading...";
3425		3592
3426	warn "entering sync_job";	3593	warn "entering sync_job";
3427		3594
3428	cf::sync_job {	3595	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
3430	cf::emergency_save;	3597	cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
3432		3599
3433	warn "syncing database to disk";	3600	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
3435		3602
3436	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
3437		3604
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
3449	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3450	}
3451
3452	++$RELOAD;
3453
3454	warn "cancelling all extension coros";
3455	$_->cancel for values %EXT_CORO;
3456	%EXT_CORO = ();
3457
3458	warn "removing commands";
3459	%COMMAND = ();
3460
3461	warn "removing ext/exti commands";
3462	%EXTCMD = ();
3463	%EXTICMD = ();
3464
3465	warn "unloading/nuking all extensions";
3466	for my $pkg (@EXTS) {
3467	warn "... unloading $pkg";
3468
3469	if (my $cb = $pkg->can ("unload")) {
3470	eval {
3471	$cb->($pkg);
3472	1
3473	} or warn "$pkg unloaded, but with errors: $@";
3474	}	3608	}
3475		3609
3476	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
3477	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
3478	}	3612	%EXT_CORO = ();
3479		3613
3480	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
3481	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
3484	warn "... unloading $k";	3623	warn "... unloading $pkg";
3485	delete $INC{$k};
3486		3624
3487	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;
3489
3490	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
3491	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
3492	}	3634	}
3493		3635
3494	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
3495	}	3651	}
3496		3652
3497	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		3656
3501	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
3504		3660
3505	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
3506	# and global variables created in xs	3662	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
3508		3664
3509	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
3510		3666
3511	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
3512	require cf;	3668	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3514		3670
3515	warn "loading config and database again";	3671	warn "loading config and database again";
3516	cf::reload_config;	3672	cf::reload_config;
3517		3673
3518	warn "loading extensions";	3674	warn "loading extensions";
3519	cf::load_extensions;	3675	cf::load_extensions;
3520		3676
3521	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
3524	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
3527		3683
3528	warn "leaving sync_job";	3684	warn "leaving sync_job";
3529		3685
3530	1	3686	1
3531	} or do {	3687	} or do {
3532	warn $@;	3688	warn $@;
3533	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
3534	exit 1;
3535	};	3690	};
3536		3691
3537	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
3538	};	3695	};
3539		3696
3540	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
3541		3698
3542	sub reload_perl() {	3699	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
3545		3702
3546	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3547	reentrant => 0,
3548	after => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => sub {
3551	do_reload_perl;	3704	do_reload_perl;
3552	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
3553	},
3554	);	3706	};
3555	}	3707	}
3556		3708
3557	register_command "reload" => sub {	3709	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
3559		3711
…		…
3572		3724
3573	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
3575		3727
3576	sub wait_for_tick {	3728	sub wait_for_tick {
3577	return unless $TICK_WATCHER->is_active;
3578	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
3579		3730
3580	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
3581	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;	3733	$signal->wait;
3583	}	3734	}
3584		3735
3585	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
3586	return unless $TICK_WATCHER->is_active;
3587	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3588		3738
3589	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	3741	$signal->wait;
3592	}	3742	}
3593		3743
3594	$TICK_WATCHER = Event->timer (	3744	sub tick {
3595	reentrant => 0,
3596	parked => 1,
3597	prio => 0,
3598	at => $NEXT_TICK || $TICK,
3599	data => WF_AUTOCANCEL,
3600	cb => sub {
3601	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
3604	return;	3748	return;
3605	}	3749	}
3606		3750
3607	$NOW = $tick_start = Event::time;
3608
3609	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
3610		3752
3611	$RUNTIME += $TICK;
3612	$NEXT_TICK += $TICK;
3613
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	3755	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	3756	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	3757	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
3620	};
3621	}	3759	};
		3760	}
3622		3761
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	3763	$sig->send;
3625	}	3764	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
3627	$sig->send;	3766	$sig->send;
3628	}	3767	}
3629		3768
3630	$NOW = Event::time;	3769	$LOAD = ($NOW - $TICK_START) / $TICK;
3631
3632	# if we are delayed by four ticks or more, skip them all
3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3634
3635	$TICK_WATCHER->at ($NEXT_TICK);
3636	$TICK_WATCHER->start;
3637
3638	$LOAD = ($NOW - $tick_start) / $TICK;
3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		3771
3641	_post_tick;	3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
3642	},	3778	}
3643	);	3779	}
3644		3780
3645	{	3781	{
		3782	# configure BDB
		3783
3646	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
3647	BDB::max_poll_time $TICK * 0.1;	3785	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	3786	$AnyEvent::BDB::WATCHER->priority (1);
3649	reentrant => 0,
3650	fd => BDB::poll_fileno,
3651	poll => 'r',
3652	prio => 0,
3653	data => WF_AUTOCANCEL,
3654	cb => \&BDB::poll_cb,
3655	);
3656
3657	BDB::set_sync_prepare {
3658	my $status;
3659	my $current = $Coro::current;
3660	(
3661	sub {
3662	$status = $!;
3663	$current->ready; undef $current;
3664	},
3665	sub {
3666	Coro::schedule while defined $current;
3667	$! = $status;
3668	},
3669	)
3670	};
3671		3787
3672	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		3795
3679	cf::sync_job {	3796	cf::sync_job {
3680	eval {	3797	eval {
…		…
3690		3807
3691	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	3809	};
3693	}	3810	}
3694		3811
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3696	after => 3,
3697	interval => 1,
3698	hard => 1,
3699	prio => 0,
3700	data => WF_AUTOCANCEL,
3701	cb => sub {
3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	3814	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3706	after => 11,
3707	interval => 60,
3708	hard => 1,
3709	prio => 0,
3710	data => WF_AUTOCANCEL,
3711	cb => sub {
3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	3817	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3716	after => 5,
3717	interval => 10,
3718	hard => 1,
3719	prio => 0,
3720	data => WF_AUTOCANCEL,
3721	cb => sub {
3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	3820	};
3725	}	3821	}
3726		3822
3727	{	3823	{
		3824	# configure IO::AIO
		3825
3728	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
3733	reentrant => 0,
3734	data => WF_AUTOCANCEL,
3735	fd => IO::AIO::poll_fileno,
3736	poll => 'r',
3737	prio => 0,
3738	cb => \&IO::AIO::poll_cb,
3739	);
3740	}	3829	}
3741		3830
3742	my $_log_backtrace;	3831	my $_log_backtrace;
3743		3832
3744	sub _log_backtrace {	3833	sub _log_backtrace {
…		…
3747	$msg =~ s/\n//;	3836	$msg =~ s/\n//;
3748		3837
3749	# limit the # of concurrent backtraces	3838	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	3839	if ($_log_backtrace < 2) {
3751	++$_log_backtrace;	3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
3752	async {	3842	async {
3753	$Coro::current->{desc} = "abt $msg";	3843	$Coro::current->{desc} = "abt $msg";
3754		3844
3755	my @bt = fork_call {	3845	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	3846	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	3857	}
3768		3858
3769	@funcs	3859	@funcs
3770	};	3860	};
3771		3861
3772	LOG llevInfo, "[ABT] $msg\n";	3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	3864	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	3865	--$_log_backtrace;
3775	};	3866	};
3776	} else {	3867	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	3868	LOG llevInfo, "[ABT] $msg\n";

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