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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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 = ();
…		…
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
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;
…		…
162		189
163	The raw value load value from the last tick.	190	The raw value load value from the last tick.
164		191
165	=item %cf::CFG	192	=item %cf::CFG
166		193
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	195	from wherever your confdir points to.
169		196
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		198
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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;	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
…		…
327		369
328	! ! $LOCK{$key}	370	! ! $LOCK{$key}
329	}	371	}
330		372
331	sub freeze_mainloop {	373	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
333		375
334	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	377	}
336	};	378
337	$TICK_WATCHER->stop;	379	=item cf::periodic $interval, $cb
338	$guard	380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
339	}	392	}
340		393
341	=item cf::get_slot $time[, $priority[, $name]]	394	=item cf::get_slot $time[, $priority[, $name]]
342		395
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	436	}
384	}	437	}
385	};	438	};
386		439
387	sub get_slot($;$$) {	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
388	my ($time, $pri, $name) = @_;	443	my ($time, $pri, $name) = @_;
389		444
390	$time = $TICK * .6 if $time > $TICK * .6;	445	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	446	my $sig = new Coro::Signal;
392		447
…		…
406		461
407	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
408		463
409	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
410		465
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	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	467	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	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	469	acceptable.
415		470
416	If it must be done, put the blocking parts into C<sync_job>. This will run	471	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	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		477
423	sub sync_job(&) {	478	sub sync_job(&) {
424	my ($job) = @_;	479	my ($job) = @_;
425		480
426	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	482	my $time = EV::time;
428		483
429	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
431		486
432	LOG llevError, Carp::longmess "sync job";#d#	487	LOG llevError, Carp::longmess "sync job";#d#
433		488
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
437		490
438	my $busy = 1;	491	my $busy = 1;
439	my @res;	492	my @res;
440		493
…		…
447		500
448	while ($busy) {	501	while ($busy) {
449	if (Coro::nready) {	502	if (Coro::nready) {
450	Coro::cede_notself;	503	Coro::cede_notself;
451	} else {	504	} else {
452	Event::one_event;	505	EV::loop EV::LOOP_ONESHOT;
453	}	506	}
454	}	507	}
455		508
456	$time = Event::time - $time;	509	my $time = EV::time - $time;
457		510
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	511	$TICK_START += $time; # do not account sync jobs to server load
462		512
463	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
464	} else {	514	} else {
465	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
466		516
…		…
491	=item fork_call { }, $args	541	=item fork_call { }, $args
492		542
493	Executes the given code block with the given arguments in a seperate	543	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	545	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
497		547
498	=cut	548	=cut
499		549
500	sub fork_call(&@) {	550	sub fork_call(&@) {
501	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
…		…
508	reset_signals;	558	reset_signals;
509	&$cb	559	&$cb
510	}, @args;	560	}, @args;
511		561
512	wantarray ? @res : $res[-1]	562	wantarray ? @res : $res[-1]
		563	}
		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
513	}	590	}
514		591
515	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
516		593
517	Returns a single value from the environment database.	594	Returns a single value from the environment database.
…		…
656		733
657	#############################################################################	734	#############################################################################
658		735
659	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
660		737
661	Many objects in crossfire are so-called attachable objects. That means you can	738	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")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
664		741
665	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	744	Deliantra).
668		745
669	=over 4	746	=over 4
670		747
671	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
672		749
…		…
716	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
717		794
718	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
720		797
721	Some classes such as crossfire maps and objects can specify attachments	798	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.	799	that are attached at load/instantiate time, thus the need for a name.
723		800
724	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
725		802
726	=over 4	803	=over 4
…		…
954	}	1031	}
955		1032
956	0	1033	0
957	}	1034	}
958		1035
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1037
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1039
963	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
964		1041
…		…
1017		1094
1018	sub reattach {	1095	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1097	my ($obj) = @_;
1021		1098
		1099	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1101
1024	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
1025		1103
1026	@$registry = ();	1104	@$registry = ();
1027		1105
…		…
1042	cf::attachable->attach (	1120	cf::attachable->attach (
1043	prio => -1000000,	1121	prio => -1000000,
1044	on_instantiate => sub {	1122	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
1046		1124
1047	$data = from_json $data;	1125	$data = decode_json $data;
1048		1126
1049	for (@$data) {	1127	for (@$data) {
1050	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
1051		1129
1052	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1151	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
1076		1154
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
1081	close $fh;	1159	aio_close $fh;
1082		1160
1083	if (@$objs) {	1161	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
1089	close $fh;	1167	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1169	}
1092	} else {	1170	} else {
1093	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
1094	}	1172	}
…		…
1263		1341
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1344
1267	$ext{source} =	1345	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1270	. $source	1348	. $source
1271	. "\n};\n1";	1349	. "\n};\n1";
1272		1350
1273	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1291		1369
1292	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1371	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1373	}
1297		1374
1298	warn $msg;	1375	warn $msg;
1299	}	1376	}
1300		1377
…		…
1314		1391
1315	=back	1392	=back
1316		1393
1317	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1318		1395
1319	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1320		1397
1321	=cut	1398	=cut
1322		1399
1323	package cf::player;	1400	package cf::player;
1324		1401
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1466	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1467	or return;
1391		1468
1392	my $pl = cf::player::load_pl $f	1469	my $pl = cf::player::load_pl $f
1393	or return;	1470	or return;
		1471
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1472	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1473	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1397	}	1475	}
1398	}	1476	}
…		…
1408		1486
1409	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1410		1488
1411	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
		1491
		1492	cf::get_slot 0.01;
1413		1493
1414	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1495	cf::cede_to_tick;
1416	}	1496	}
1417		1497
…		…
1449	my ($pl) = @_;	1529	my ($pl) = @_;
1450		1530
1451	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1452		1532
1453	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1535
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1460		1542
1461	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1583
1502	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
1503	my $path = path $login;	1585	my $path = path $login;
1504		1586
1505	# a .pst is a dead give-away for a valid player	1587	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1593	}
1511		1594
…		…
1542	}	1625	}
1543		1626
1544	\@paths	1627	\@paths
1545	}	1628	}
1546		1629
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1631
1549	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1633
1598	=item $player->ext_reply ($msgid, @msg)	1634	=item $player->ext_reply ($msgid, @msg)
1599		1635
1600	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1601		1637
…		…
1668	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1670		1706
1671	sub generate_random_map {	1707	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1673	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1674	$self->_create_random_map (	1713	$self->_create_random_map (
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1799		1838
1800	# the temporary/swap location	1839	# the temporary/swap location
1801	sub save_path {	1840	sub save_path {
1802	my ($self) = @_;	1841	my ($self) = @_;
1803		1842
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1806	}	1845	}
1807		1846
1808	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1809	sub uniq_path {	1848	sub uniq_path {
1810	my ($self) = @_;	1849	my ($self) = @_;
1811		1850
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1814	}	1853	}
1815		1854
1816	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1817	# all maps in C++...	1856	# all maps in C++...
…		…
1915		1954
1916	cf::lock_wait "map_data:$path";#d#remove	1955	cf::lock_wait "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1918		1957
1919	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1960	my $guard2 = cf::lock_acquire "map_find:$path";
1922		1961
1923	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1924	or return;	1963	or return;
1925		1964
1926	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
…		…
1929	or return;	1968	or return;
1930		1969
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
1934	undef $guard1;	1974	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	1975	$map->reset;
1937	return find $path;	1976	return find $path;
1938	}	1977	}
1939		1978
1940	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
…		…
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2007	$f->skip_block;
1969	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
1970	or return;	2009	or return;
1971		2010
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1973	if delete $self->{load_original};	2012	if delete $self->{load_original};
1974		2013
1975	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2015	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
2003	}	2042	}
2004		2043
2005	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
2007		2046
2008	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
2009	}	2048	}
2010		2049
2011	$self->post_load;	2050	$self->post_load;
2012	}	2051	}
2013		2052
…		…
2071	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2072		2111
2073	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2074		2113
2075	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077	}	2116	}
2078		2117
2079	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2080		2119
2081	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
…		…
2118	cf::async {	2157	cf::async {
2119	$Coro::current->{desc} = "map player save";	2158	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2121	};	2160	};
2122		2161
		2162	cf::get_slot 0.02;
		2163
2123	if ($uniq) {	2164	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2167	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2135	$self->save;	2176	$self->save;
2136		2177
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2179
2139	return if $self->players;	2180	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2141	return if $self->{deny_save};	2182	return if $self->{deny_save};
2142		2183
2143	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2144		2185
2145	$self->deactivate;	2186	$self->deactivate;
…		…
2263		2304
2264	sub unique_maps() {	2305	sub unique_maps() {
2265	[	2306	[
2266	map {	2307	map {
2267	utf8::decode $_;	2308	utf8::decode $_;
2268	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2269	? normalise $_	2312	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2314	]
2273	}	2315	}
2274		2316
2275	package cf;
2276
2277	=back	2317	=back
2278		2318
2279	=head3 cf::object	2319	=head3 cf::object
2280		2320
2281	=cut	2321	=cut
…		…
2284		2324
2285	=over 4	2325	=over 4
2286		2326
2287	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2288		2328
2289	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2290		2331
2291	=cut	2332	=cut
2292		2333
2293	sub inv_recursive_;	2334	sub inv_recursive_;
2294	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2300	}	2341	}
2301		2342
2302	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2303		2344
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2345	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2346
2306	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2307		2348
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2343		2384
2344	=cut	2385	=cut
2345		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
		2400
2346	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2402	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2418
2364	} else {	2419	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2422	}
2368	}	2423	}
2369	}	2424	}
2370		2425
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2451
2397	=item $player_object->enter_link	2452	=item $player_object->enter_link
2398		2453
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2455
2401	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2403		2460
2404	Will never block.	2461	Will never block.
2405		2462
2406	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2407		2464
…		…
2465		2522
2466	$map->load;	2523	$map->load;
2467	$map->load_neighbours;	2524	$map->load_neighbours;
2468		2525
2469	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2470	$self->activate_recursive;	2528	$self->activate_recursive;
2471		2529
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2474	}	2532	}
…		…
2478	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2483		2544
2484	=cut	2545	=cut
2485		2546
2486	our $GOTOGEN;	2547	our $GOTOGEN;
2487		2548
…		…
2566	}	2627	}
2567		2628
2568	sub prepare_random_map {	2629	sub prepare_random_map {
2569	my ($exit) = @_;	2630	my ($exit) = @_;
2570		2631
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2634	# that depends on the exit object
2576		2635
2577	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2638	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2584	}	2645	}
2585		2646
2586	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2587		2648
2588	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2591		2652
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2655	undef $fh;
2595	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2596		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2599	}	2664	}
2600	}	2665	}
2601		2666
2602	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2604		2669
2605	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2606		2671
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2672	$self->enter_link;
2619		2673
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2674	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2675	$Coro::current->{desc} = "enter_exit";
2626		2676
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2629	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2630		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2631	1;	2698	1
2632	}) {	2699	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2704
2638	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2668		2735
2669	=cut	2736	=cut
2670		2737
		2738	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	2739	our %CHANNEL = (
2672	"c/identify" => {	2740	"c/identify" => {
2673	id => "infobox",	2741	id => "infobox",
2674	title => "Identify",	2742	title => "Identify",
2675	reply => undef,	2743	reply => undef,
…		…
2707	},	2775	},
2708	"c/uptime" => {	2776	"c/uptime" => {
2709	id => "infobox",	2777	id => "infobox",
2710	title => "Uptime",	2778	title => "Uptime",
2711	reply => undef,	2779	reply => undef,
2712	tooltip => "How long the server has been running sicne last restart",	2780	tooltip => "How long the server has been running since last restart",
2713	},	2781	},
2714	"c/mapinfo" => {	2782	"c/mapinfo" => {
2715	id => "infobox",	2783	id => "infobox",
2716	title => "Map Info",	2784	title => "Map Info",
2717	reply => undef,	2785	reply => undef,
2718	tooltip => "Information related to the maps",	2786	tooltip => "Information related to the maps",
2719	},	2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
2720	);	2794	);
2721		2795
2722	sub cf::client::send_msg {	2796	sub cf::client::send_msg {
2723	my ($self, $channel, $msg, $color, @extra) = @_;	2797	my ($self, $channel, $msg, $color, @extra) = @_;
2724		2798
2725	$msg = $self->pl->expand_cfpod ($msg);	2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
2726		2801
2727	$color &= cf::NDI_CLIENT_MASK; # just in case...	2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
2728		2803
2729	# check predefined channels, for the benefit of C	2804	# check predefined channels, for the benefit of C
2730	if ($CHANNEL{$channel}) {	2805	if ($CHANNEL{$channel}) {
…		…
2751	if ($self->can_msg) {	2826	if ($self->can_msg) {
2752	# default colour, mask it out	2827	# default colour, mask it out
2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2754	if $color & cf::NDI_DEF;	2829	if $color & cf::NDI_DEF;
2755		2830
2756	$self->send_packet ("msg " . $self->{json_coder}->encode (	2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
2758	} else {	2847	} else {
2759	if ($color >= 0) {	2848	if ($color >= 0) {
2760	# replace some tags by gcfclient-compatible ones	2849	# replace some tags by gcfclient-compatible ones
2761	for ($msg) {	2850	for ($msg) {
2762	1 while	2851	1 while
…		…
2961		3050
2962	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2963		3052
2964	cf::object	3053	cf::object
2965	contr pay_amount pay_player map x y force_find force_add destroy	3054	contr pay_amount pay_player map x y force_find force_add destroy
2966	insert remove name archname title slaying race decrease_ob_nr	3055	insert remove name archname title slaying race decrease split
2967		3056
2968	cf::object::player	3057	cf::object::player
2969	player	3058	player
2970		3059
2971	cf::player	3060	cf::player
…		…
2976		3065
2977	=cut	3066	=cut
2978		3067
2979	for (	3068	for (
2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2981	insert remove inv name archname title slaying race	3070	insert remove inv nrof name archname title slaying race
2982	decrease_ob_nr destroy)],	3071	decrease split destroy change_exp)],
2983	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2984	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2985	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2986	) {	3075	) {
2987	no strict 'refs';	3076	no strict 'refs';
…		…
3092	{	3181	{
3093	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
3094		3183
3095	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
3097	cf::face::set_visibility $idx, $info->{visibility};	3187	cf::face::set_visibility $idx, $info->{visibility};
3098	cf::face::set_magicmap $idx, $info->{magicmap};	3188	cf::face::set_magicmap $idx, $info->{magicmap};
3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3101		3191
3102	cf::cede_to_tick;	3192	cf::cede_to_tick;
3103	}	3193	}
3104		3194
3105	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
3106	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
3107	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
3108	or next;	3199	or next;
		3200
3109	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
3110	cf::face::set_smooth $idx, $smooth;	3202	cf::face::set_smooth $idx, $smooth;
3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3112	} else {	3204	} else {
3113	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3131	{	3223	{
3132	# TODO: for gcfclient pleasure, we should give resources	3224	# TODO: for gcfclient pleasure, we should give resources
3133	# that gcfclient doesn't grok a >10000 face index.	3225	# that gcfclient doesn't grok a >10000 face index.
3134	my $res = $facedata->{resource};	3226	my $res = $facedata->{resource};
3135		3227
3136	my $soundconf = delete $res->{"res/sound.conf"};
3137
3138	while (my ($name, $info) = each %$res) {	3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3140	my $data;	3231	my $data;
3141		3232
3142	if ($info->{type} & 1) {	3233	if ($info->{type} & 1) {
3143	# prepend meta info	3234	# prepend meta info
3144		3235
3145	my $meta = $enc->encode ({	3236	my $meta = $enc->encode ({
3146	name => $name,	3237	name => $name,
3147	%{ $info->{meta} || {} },	3238	%{ $info->{meta} || {} },
3148	});	3239	});
3149		3240
3150	$data = pack "(w/a*)*", $meta, $info->{data};	3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
3151	} else {	3248	} else {
3152	$data = $info->{data};	3249	$RESOURCE{$name} = $info;
3153	}	3250	}
3154		3251
3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3156	cf::face::set_type $idx, $info->{type};
3157
3158	cf::cede_to_tick;	3252	cf::cede_to_tick;
3159	}	3253	}
3160
3161	if ($soundconf) {
3162	$soundconf = $enc->decode (delete $soundconf->{data});
3163
3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3165	my $sound = $soundconf->{compat}[$_]
3166	or next;
3167
3168	my $face = cf::face::find "sound/$sound->[1]";
3169	cf::sound::set $sound->[0] => $face;
3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3171	}
3172
3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
3174	my $face = cf::face::find "sound/$v";
3175	cf::sound::set $k => $face;
3176	}
3177	}
3178	}	3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3179		3257
3180	1	3258	1
3181	}	3259	}
		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
3182		3280
3183	register_exticmd fx_want => sub {	3281	register_exticmd fx_want => sub {
3184	my ($ns, $want) = @_;	3282	my ($ns, $want) = @_;
3185		3283
3186	while (my ($k, $v) = each %$want) {	3284	while (my ($k, $v) = each %$want) {
3187	$ns->fx_want ($k, $v);	3285	$ns->fx_want ($k, $v);
3188	}	3286	}
3189	};	3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
3190		3298
3191	sub reload_regions {	3299	sub reload_regions {
3192	# HACK to clear player env face cache, we need some signal framework	3300	# HACK to clear player env face cache, we need some signal framework
3193	# for this (global event?)	3301	# for this (global event?)
3194	%ext::player_env::MUSIC_FACE_CACHE = ();	3302	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3208	}	3316	}
3209		3317
3210	sub reload_archetypes {	3318	sub reload_archetypes {
3211	load_resource_file "$DATADIR/archetypes"	3319	load_resource_file "$DATADIR/archetypes"
3212	or die "unable to load archetypes\n";	3320	or die "unable to load archetypes\n";
3213	#d# NEED to laod twice to resolve forward references
3214	# this really needs to be done in an extra post-pass
3215	# (which needs to be synchronous, so solve it differently)
3216	load_resource_file "$DATADIR/archetypes"
3217	or die "unable to load archetypes\n";
3218	}	3321	}
3219		3322
3220	sub reload_treasures {	3323	sub reload_treasures {
3221	load_resource_file "$DATADIR/treasures"	3324	load_resource_file "$DATADIR/treasures"
3222	or die "unable to load treasurelists\n";	3325	or die "unable to load treasurelists\n";
3223	}	3326	}
3224		3327
3225	sub reload_resources {	3328	sub reload_resources {
3226	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
3227		3330
		3331	reload_facedata;
		3332	reload_archetypes;
3228	reload_regions;	3333	reload_regions;
3229	reload_facedata;
3230	#reload_archetypes;#d#
3231	reload_archetypes;
3232	reload_treasures;	3334	reload_treasures;
3233		3335
3234	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
3235	}	3337	}
3236		3338
3237	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
3238	reload_resources;	3344	reload_resources;
3239	}	3345	}
3240		3346
3241	sub reload_config {	3347	sub reload_config {
3242	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3243	or return;	3349	or return;
3244		3350
3245	local $/;	3351	local $/;
3246	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
3247		3353
3248	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3249		3355
3250	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3251	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3257	};	3363	};
3258	warn $@ if $@;	3364	warn $@ if $@;
3259	}	3365	}
3260	}	3366	}
3261		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3262	sub main {	3387	sub main {
		3388	atomic;
		3389
3263	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
3264	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3266	(async {	3393	(async {
3267	$Coro::current->{desc} = "IDLE BUG HANDLER";	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
3268	Event::one_event;	3395	EV::loop EV::LOOP_ONESHOT;
3269	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
3270	};	3397	};
3271		3398
		3399	{
		3400	my $guard = freeze_mainloop;
3272	reload_config;	3401	reload_config;
3273	db_init;	3402	db_init;
3274	load_extensions;	3403	load_extensions;
3275		3404
3276	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
3277	Event::loop;	3413	EV::loop;
3278	}	3414	}
3279		3415
3280	#############################################################################	3416	#############################################################################
3281	# initialisation and cleanup	3417	# initialisation and cleanup
3282		3418
3283	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
3284	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
3285	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
3286	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	signal => $signal,
3290	prio => 0,
3291	cb => sub {
3292	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
3293	},
3294	);	3425	};
3295	}	3426	}
3296	}	3427	}
3297		3428
3298	sub write_runtime {	3429	sub write_runtime_sync {
3299	my $runtime = "$LOCALDIR/runtime";
3300
3301	# first touch the runtime file to show we are still running:	3430	# first touch the runtime file to show we are still running:
3302	# the fsync below can take a very very long time.	3431	# the fsync below can take a very very long time.
3303		3432
3304	IO::AIO::aio_utime $runtime, undef, undef;	3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3305		3434
3306	my $guard = cf::lock_acquire "write_runtime";	3435	my $guard = cf::lock_acquire "write_runtime";
3307		3436
3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3309	or return;	3438	or return;
3310		3439
3311	my $value = $cf::RUNTIME + 90 + 10;	3440	my $value = $cf::RUNTIME + 90 + 10;
3312	# 10 is the runtime save interval, for a monotonic clock	3441	# 10 is the runtime save interval, for a monotonic clock
3313	# 60 allows for the watchdog to kill the server.	3442	# 60 allows for the watchdog to kill the server.
…		…
3323	aio_utime $fh, undef, undef;	3452	aio_utime $fh, undef, undef;
3324		3453
3325	close $fh	3454	close $fh
3326	or return;	3455	or return;
3327		3456
3328	aio_rename "$runtime~", $runtime	3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3329	and return;	3458	and return;
3330		3459
3331	warn "runtime file written.\n";	3460	warn "runtime file written.\n";
3332		3461
3333	1	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
3334	}	3506	}
3335		3507
3336	sub emergency_save() {	3508	sub emergency_save() {
3337	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
3338		3510
…		…
3360	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
3361		3533
3362	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
3363	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
3364	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
3365	};	3541	};
3366		3542
3367	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
3368	}	3544	}
3369		3545
3370	sub post_cleanup {	3546	sub post_cleanup {
3371	my ($make_core) = @_;	3547	my ($make_core) = @_;
3372		3548
3373	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
3374	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
3375	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
3376		3583
3377	sub do_reload_perl() {	3584	sub do_reload_perl() {
3378	# can/must only be called in main	3585	# can/must only be called in main
3379	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
3380	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
3381	return;	3588	return;
3382	}	3589	}
3383		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
3384	warn "reloading...";	3594	warn "reloading...";
3385		3595
3386	warn "entering sync_job";	3596	warn "entering sync_job";
3387		3597
3388	cf::sync_job {	3598	cf::sync_job {
3389	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
3390	cf::emergency_save;	3600	cf::emergency_save;
3391	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
3392		3602
3393	warn "syncing database to disk";	3603	warn "syncing database to disk";
3394	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3395		3605
3396	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
3397		3607
3398	warn "cancelling all WF_AUTOCANCEL watchers";
3399	for (Event::all_watchers) {
3400	$_->cancel if $_->data & WF_AUTOCANCEL;
3401	}
3402
3403	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
3404	for (;;) {
3405	BDB::flush;
3406	IO::AIO::flush;
3407	Coro::cede_notself;
3408	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
3409	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3410	}
3411
3412	++$RELOAD;
3413
3414	warn "cancelling all extension coros";
3415	$_->cancel for values %EXT_CORO;
3416	%EXT_CORO = ();
3417
3418	warn "removing commands";
3419	%COMMAND = ();
3420
3421	warn "removing ext/exti commands";
3422	%EXTCMD = ();
3423	%EXTICMD = ();
3424
3425	warn "unloading/nuking all extensions";
3426	for my $pkg (@EXTS) {
3427	warn "... unloading $pkg";
3428
3429	if (my $cb = $pkg->can ("unload")) {
3430	eval {
3431	$cb->($pkg);
3432	1
3433	} or warn "$pkg unloaded, but with errors: $@";
3434	}	3611	}
3435		3612
3436	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
3437	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
3438	}	3615	%EXT_CORO = ();
3439		3616
3440	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
3441	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
3442	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3443		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
3444	warn "... unloading $k";	3626	warn "... unloading $pkg";
3445	delete $INC{$k};
3446		3627
3447	$k =~ s/\.pm$//;
3448	$k =~ s/\//::/g;
3449
3450	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
3451	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
3452	}	3637	}
3453		3638
3454	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
3455	}	3654	}
3456		3655
3457	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
3458	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3460		3659
3461	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
3462	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
3463	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
3464		3663
3465	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
3466	# and global variables created in xs	3665	# and global variables created in xs
3467	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
3468		3667
3469	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
3470		3669
3471	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
3472	require cf;	3671	require cf;
3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3474		3673
3475	warn "loading config and database again";	3674	warn "loading config and database again";
3476	cf::reload_config;	3675	cf::reload_config;
3477		3676
3478	warn "loading extensions";	3677	warn "loading extensions";
3479	cf::load_extensions;	3678	cf::load_extensions;
3480		3679
3481	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
3482	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
3483	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
3484	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
3485	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
3486	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
3487		3686
3488	warn "leaving sync_job";	3687	warn "leaving sync_job";
3489		3688
3490	1	3689	1
3491	} or do {	3690	} or do {
3492	warn $@;	3691	warn $@;
3493	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
3494	exit 1;
3495	};	3693	};
3496		3694
3497	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
3498	};	3698	};
3499		3699
3500	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
3501		3701
3502	sub reload_perl() {	3702	sub reload_perl() {
3503	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
3504	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
3505		3705
3506	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3507	reentrant => 0,
3508	after => 0,
3509	data => WF_AUTOCANCEL,
3510	cb => sub {
3511	do_reload_perl;	3707	do_reload_perl;
3512	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
3513	},
3514	);	3709	};
3515	}	3710	}
3516		3711
3517	register_command "reload" => sub {	3712	register_command "reload" => sub {
3518	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
3519		3714
…		…
3532		3727
3533	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
3534	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
3535		3730
3536	sub wait_for_tick {	3731	sub wait_for_tick {
3537	return unless $TICK_WATCHER->is_active;
3538	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
3539		3733
3540	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
3541	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
3542	$signal->wait;	3736	$signal->wait;
3543	}	3737	}
3544		3738
3545	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
3546	return unless $TICK_WATCHER->is_active;
3547	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
3548		3741
3549	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
3550	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
3551	$signal->wait;	3744	$signal->wait;
3552	}	3745	}
3553		3746
3554	$TICK_WATCHER = Event->timer (	3747	sub tick {
3555	reentrant => 0,
3556	parked => 1,
3557	prio => 0,
3558	at => $NEXT_TICK || $TICK,
3559	data => WF_AUTOCANCEL,
3560	cb => sub {
3561	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3563	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
3564	return;	3751	return;
3565	}	3752	}
3566		3753
3567	$NOW = $tick_start = Event::time;
3568
3569	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
3570		3755
3571	$RUNTIME += $TICK;
3572	$NEXT_TICK += $TICK;
3573
3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3576	Coro::async_pool {	3758	Coro::async_pool {
3577	$Coro::current->{desc} = "runtime saver";	3759	$Coro::current->{desc} = "runtime saver";
3578	write_runtime	3760	write_runtime_sync
3579	or warn "ERROR: unable to write runtime file: $!";	3761	or warn "ERROR: unable to write runtime file: $!";
3580	};
3581	}	3762	};
		3763	}
3582		3764
3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3584	$sig->send;	3766	$sig->send;
3585	}	3767	}
3586	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
3587	$sig->send;	3769	$sig->send;
3588	}	3770	}
3589		3771
3590	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
3591
3592	# if we are delayed by four ticks or more, skip them all
3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3594
3595	$TICK_WATCHER->at ($NEXT_TICK);
3596	$TICK_WATCHER->start;
3597
3598	$LOAD = ($NOW - $tick_start) / $TICK;
3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3600		3774
3601	_post_tick;	3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
3602	},	3781	}
3603	);	3782	}
3604		3783
3605	{	3784	{
		3785	# configure BDB
		3786
3606	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
3607	BDB::max_poll_time $TICK * 0.1;	3788	BDB::max_poll_reqs $TICK * 0.1;
3608	$BDB_POLL_WATCHER = Event->io (	3789	$AnyEvent::BDB::WATCHER->priority (1);
3609	reentrant => 0,
3610	fd => BDB::poll_fileno,
3611	poll => 'r',
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => \&BDB::poll_cb,
3615	);
3616
3617	BDB::set_sync_prepare {
3618	my $status;
3619	my $current = $Coro::current;
3620	(
3621	sub {
3622	$status = $!;
3623	$current->ready; undef $current;
3624	},
3625	sub {
3626	Coro::schedule while defined $current;
3627	$! = $status;
3628	},
3629	)
3630	};
3631		3790
3632	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
3633	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3635	| BDB::LOG_AUTOREMOVE, 1);	3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3638		3798
3639	cf::sync_job {	3799	cf::sync_job {
3640	eval {	3800	eval {
…		…
3650		3810
3651	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3652	};	3812	};
3653	}	3813	}
3654		3814
3655	$BDB_DEADLOCK_WATCHER = Event->timer (	3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3656	after => 3,
3657	interval => 1,
3658	hard => 1,
3659	prio => 0,
3660	data => WF_AUTOCANCEL,
3661	cb => sub {
3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3663	},
3664	);	3817	};
3665	$BDB_CHECKPOINT_WATCHER = Event->timer (	3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3666	after => 11,
3667	interval => 60,
3668	hard => 1,
3669	prio => 0,
3670	data => WF_AUTOCANCEL,
3671	cb => sub {
3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3673	},
3674	);	3820	};
3675	$BDB_TRICKLE_WATCHER = Event->timer (	3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3676	after => 5,
3677	interval => 10,
3678	hard => 1,
3679	prio => 0,
3680	data => WF_AUTOCANCEL,
3681	cb => sub {
3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683	},
3684	);	3823	};
3685	}	3824	}
3686		3825
3687	{	3826	{
		3827	# configure IO::AIO
		3828
3688	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
3693	reentrant => 0,
3694	data => WF_AUTOCANCEL,
3695	fd => IO::AIO::poll_fileno,
3696	poll => 'r',
3697	prio => 0,
3698	cb => \&IO::AIO::poll_cb,
3699	);
3700	}	3832	}
3701		3833
3702	my $_log_backtrace;	3834	my $_log_backtrace;
3703		3835
3704	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3707	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
3708		3840
3709	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3710	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3711	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
3712	async {	3845	async {
3713	$Coro::current->{desc} = "abt $msg";	3846	$Coro::current->{desc} = "abt $msg";
3714		3847
3715	my @bt = fork_call {	3848	my @bt = fork_call {
3716	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
…		…
3727	}	3860	}
3728		3861
3729	@funcs	3862	@funcs
3730	};	3863	};
3731		3864
3732	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3733	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3734	--$_log_backtrace;	3868	--$_log_backtrace;
3735	};	3869	};
3736	} else {	3870	} else {
3737	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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