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Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use 5.10.0;
25	use utf8;	26	use utf8;
26	use strict "vars", "subs";	27	use strict qw(vars subs);
27		28
28	use Symbol;	29	use Symbol;
29	use List::Util;	30	use List::Util;
30	use Socket;	31	use Socket;
31	use EV;	32	use EV;
32	use Opcode;	33	use Opcode;
33	use Safe;	34	use Safe;
34	use Safe::Hole;	35	use Safe::Hole;
35	use Storable ();	36	use Storable ();
		37	use Carp ();
36		38
		39	use Guard ();
37	use Coro ();	40	use Coro ();
38	use Coro::State;	41	use Coro::State;
39	use Coro::Handle;	42	use Coro::Handle;
40	use Coro::EV;	43	use Coro::EV;
41	use Coro::AnyEvent;	44	use Coro::AnyEvent;
42	use Coro::Timer;	45	use Coro::Timer;
43	use Coro::Signal;	46	use Coro::Signal;
44	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	49	use Coro::AnyEvent;
46	use Coro::AIO;	50	use Coro::AIO;
47	use Coro::BDB 1.6;	51	use Coro::BDB 1.6;
48	use Coro::Storable;	52	use Coro::Storable;
49	use Coro::Util ();	53	use Coro::Util ();
50		54
51	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
52	use BDB ();	56	use BDB ();
53	use Data::Dumper;	57	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	58	use Fcntl;
56	use YAML ();	59	use YAML::XS ();
57	use IO::AIO ();	60	use IO::AIO ();
58	use Time::HiRes;	61	use Time::HiRes;
59	use Compress::LZF;	62	use Compress::LZF;
60	use Digest::MD5 ();	63	use Digest::MD5 ();
61		64
…		…
63		66
64	# configure various modules to our taste	67	# configure various modules to our taste
65	#	68	#
66	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		77
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		80
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
87	our $DATADIR = datadir;	98	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
91	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
97	our %RESOURCE;	111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
98		115
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	118	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		120
104	our $BDB_DEADLOCK_WATCHER;	121	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	122	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	124	our $DB_ENV;
108		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
		127
109	our %CFG;	128	our %CFG;
110		129
111	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	131	our $RUNTIME;
113	our $NOW;	132	our $NOW;
…		…
122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	143	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
126		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
127	binmode STDOUT;	151	binmode STDOUT;
128	binmode STDERR;	152	binmode STDERR;
129		153
130	# read virtual server time, if available	154	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
135	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
136		162
137	mkdir $_	163	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		165
140	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
141		167
142	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
143		184
144	#############################################################################	185	#############################################################################
145		186
146	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
147		188
…		…
194	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
196		237
197	=item @cf::INVOKE_RESULTS	238	=item @cf::INVOKE_RESULTS
198		239
199	This array contains the results of the last C<invoke ()> call. When	240	This array contains the results of the last C<invoke ()> call. When
200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201	that call.	242	that call.
202		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
203	=back	250	=back
204		251
205	=cut	252	=cut
206		253
207	BEGIN {	254	$Coro::State::WARNHOOK = sub {
208	*CORE::GLOBAL::warn = sub {
209	my $msg = join "", @_;	255	my $msg = join "", @_;
210		256
211	$msg .= "\n"	257	$msg .= "\n"
212	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
213		259
214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215		261
216	LOG llevError, $msg;	262	LOG llevError, $msg;
217	};	263	};
218	}
219		264
220	$Coro::State::DIEHOOK = sub {	265	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	266	return unless $^S eq 0; # "eq", not "=="
222		267
223	if ($Coro::current == $Coro::main) {#d#	268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	272	return;#d#
226	}#d#	273	}#d#
227		274
228	# kill coroutine otherwise	275	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	276	Coro::terminate
231	};	277	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		278
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	296	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	298	}
255		299
256	$EV::DIED = sub {	300	$EV::DIED = sub {
257	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
258	};	302	};
259		303
260	#############################################################################	304	#############################################################################
261		305
262	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		344
301	sub encode_json($) { $json_coder->encode ($_[0]) }	345	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	346	sub decode_json($) { $json_coder->decode ($_[0]) }
303		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
304	=item cf::lock_wait $string	362	=item cf::lock_wait $string
305		363
306	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
307		365
308	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
309		367
310	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
313	returned.	371	returned.
314		372
315	Locks are *not* recursive, locking from the same coro twice results in a	373	Locks are *not* recursive, locking from the same coro twice results in a
316	deadlocked coro.	374	deadlocked coro.
…		…
322		380
323	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
324		382
325	=cut	383	=cut
326		384
327	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		386
330	sub lock_wait($) {	387	sub lock_wait($) {
331	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	389	}
344		390
345	sub lock_acquire($) {	391	sub lock_acquire($) {
346	my ($key) = @_;	392	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	393	}
360		394
361	sub lock_active($) {	395	sub lock_active($) {
362	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	397	}
366		398
367	sub freeze_mainloop {	399	sub freeze_mainloop {
368	tick_inhibit_inc;	400	tick_inhibit_inc;
369		401
370	Coro::guard \&tick_inhibit_dec;	402	&Guard::guard (\&tick_inhibit_dec);
371	}	403	}
372		404
373	=item cf::periodic $interval, $cb	405	=item cf::periodic $interval, $cb
374		406
375	Like EV::periodic, but randomly selects a starting point so that the actions	407	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	408	get spread over time.
377		409
378	=cut	410	=cut
379		411
380	sub periodic($$) {	412	sub periodic($$) {
381	my ($interval, $cb) = @_;	413	my ($interval, $cb) = @_;
…		…
398		430
399	=cut	431	=cut
400		432
401	our @SLOT_QUEUE;	433	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
403		436
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	438	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	439	$Coro::current->desc ("timeslot manager");
407		440
408	my $signal = new Coro::Signal;	441	my $signal = new Coro::Signal;
		442	my $busy;
409		443
410	while () {	444	while () {
411	next_job:	445	next_job:
		446
412	my $avail = cf::till_tick;	447	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	448
414	for (0 .. $#SLOT_QUEUE) {	449	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	452	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	453	$job->[2]->send;
418	Coro::cede;	454	Coro::cede;
419	goto next_job;	455	goto next_job;
420	}	456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	458	}
422	}	459	}
423		460
424	if (@SLOT_QUEUE) {	461	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	463	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;	464	$signal->wait;
428	} else {	465	} else {
		466	$busy = 0;
429	Coro::schedule;	467	Coro::schedule;
430	}	468	}
431	}	469	}
432	};	470	};
433		471
434	sub get_slot($;$$) {	472	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	473	return if tick_inhibit || $Coro::current == $Coro::main;
436		474
437	my ($time, $pri, $name) = @_;	475	my ($time, $pri, $name) = @_;
438		476
439	$time = $TICK * .6 if $time > $TICK * .6;	477	$time = clamp $time, 0.01, $TICK * .6;
		478
440	my $sig = new Coro::Signal;	479	my $sig = new Coro::Signal;
441		480
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	483	$SLOT_QUEUE->ready;
…		…
471		510
472	sub sync_job(&) {	511	sub sync_job(&) {
473	my ($job) = @_;	512	my ($job) = @_;
474		513
475	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
476	my $time = EV::time;	515	my $time = AE::time;
477		516
478	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
480		519
481	LOG llevError, Carp::longmess "sync job";#d#	520	LOG llevError, Carp::longmess "sync job";#d#
…		…
498	} else {	537	} else {
499	EV::loop EV::LOOP_ONESHOT;	538	EV::loop EV::LOOP_ONESHOT;
500	}	539	}
501	}	540	}
502		541
503	my $time = EV::time - $time;	542	my $time = AE::time - $time;
504		543
505	$TICK_START += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
506		545
507	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
508	} else {	547	} else {
…		…
552	reset_signals;	591	reset_signals;
553	&$cb	592	&$cb
554	}, @args;	593	}, @args;
555		594
556	wantarray ? @res : $res[-1]	595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
		599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
557	}	607	}
558		608
559	=item $coin = coin_from_name $name	609	=item $coin = coin_from_name $name
560		610
561	=cut	611	=cut
…		…
727		777
728	#############################################################################	778	#############################################################################
729		779
730	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
731		781
732	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
735		785
736	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
788		838
789	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
791		841
792	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
794		844
795	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
796		846
797	=over 4	847	=over 4
…		…
1147	$decname, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
1148		1198
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1200	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
1153	aio_close $fh;	1206	aio_close $fh;
1154		1207
1155	if (@$objs) {	1208	if (@$objs) {
1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1210	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
1160	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
1161	aio_close $fh;	1217	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1219	}
1164	} else {	1220	} else {
1165	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
1166	}	1222	}
1167		1223
1168	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1228	} else {
1170	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
1171	}	1230	}
1172	} else {	1231	} else {
1173	aio_unlink $filename;	1232	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
1175	}	1234	}
…		…
1266	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1267		1326
1268	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1269	}	1328	}
1270		1329
		1330	use File::Glob ();
		1331
1271	cf::player->attach (	1332	cf::player->attach (
1272	on_command => sub {	1333	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1274		1335
1275	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1276	or return;	1337	or return;
1277		1338
…		…
1307		1368
1308	cf::override;	1369	cf::override;
1309	},	1370	},
1310	);	1371	);
1311		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
		1385
1312	sub load_extensions {	1386	sub load_extensions {
1313	cf::sync_job {	1387	cf::sync_job {
1314	my %todo;	1388	my %todo;
1315		1389
1316	for my $path (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
…		…
1343	. "\n};\n1";	1417	. "\n};\n1";
1344		1418
1345	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1346	}	1420	}
1347		1421
		1422	my $pass = 0;
1348	my %done;	1423	my %done;
1349	while (%todo) {	1424	while (%todo) {
1350	my $progress;	1425	my $progress;
1351		1426
		1427	++$pass;
		1428
		1429	ext:
1352	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1432	next ext
1355	unless exists $done{$_};	1433	unless exists $done{$_};
1356	}	1434	}
1357		1435
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1437
1360	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1442
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1444	if exists $v->{meta}{mandatory};
1368		1445
1369	warn $msg;	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1370	}	1455	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1456	}
1376		1457
1377	skip:	1458	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1380	}	1466	}
1381	};	1467	};
1382	}	1468	}
1383		1469
1384	#############################################################################	1470	#############################################################################
1385		1471
1386	=back	1472	=back
1387		1473
1388	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1389		1475
1390	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1391		1477
1392	=cut	1478	=cut
1393		1479
1394	package cf::player;	1480	package cf::player;
1395		1481
…		…
1438		1524
1439	sub exists($) {	1525	sub exists($) {
1440	my ($login) = @_;	1526	my ($login) = @_;
1441		1527
1442	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1444	}	1530	}
1445		1531
1446	sub find($) {	1532	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1534	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1469	}	1555	}
1470	}	1556	}
1471	}	1557	}
1472		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
		1571
1473	sub save($) {	1572	sub save($) {
1474	my ($pl) = @_;	1573	my ($pl) = @_;
1475		1574
1476	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
1477		1576
…		…
1482		1581
1483	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1485		1584
1486	cf::get_slot 0.01;	1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1487		1589
1488	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1591	cf::cede_to_tick;
1490	}	1592	}
1491		1593
…		…
1619	}	1721	}
1620		1722
1621	\@paths	1723	\@paths
1622	}	1724	}
1623		1725
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1727
1626	Expand crossfire pod fragments into protocol xml.	1728	Expand deliantra pod fragments into protocol xml.
1627		1729
1628	=item $player->ext_reply ($msgid, @msg)	1730	=item $player->ext_reply ($msgid, @msg)
1629		1731
1630	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1631		1733
…		…
1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1705		1807
1706	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1707	$self->_create_random_map (	1809	$self->_create_random_map (
1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1711	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1712	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1713	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1714	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1844		1946
1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1846	"$UNIQUEDIR/$path"	1948	"$UNIQUEDIR/$path"
1847	}	1949	}
1848		1950
1849	# and all this just because we cannot iterate over
1850	# all maps in C++...
1851	sub change_all_map_light {
1852	my ($change) = @_;
1853
1854	$_->change_map_light ($change)
1855	for grep $_->outdoor, values %cf::MAP;
1856	}
1857
1858	sub decay_objects {	1951	sub decay_objects {
1859	my ($self) = @_;	1952	my ($self) = @_;
1860		1953
1861	return if $self->{deny_reset};	1954	return if $self->{deny_reset};
1862		1955
…		…
1944	sub find {	2037	sub find {
1945	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1946		2039
1947	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1948		2041
1949	cf::lock_wait "map_data:$path";#d#remove	2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1950	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1951		2044
1952	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1954	my $guard2 = cf::lock_acquire "map_find:$path";
1955
1956	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1957	or return;	2047	or return;
1958		2048
1959	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1960		2050
…		…
1972		2062
1973	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1974	}	2064	}
1975	}	2065	}
1976		2066
1977	sub pre_load { }	2067	sub pre_load { }
1978	sub post_load { }	2068	#sub post_load { } # XS
1979		2069
1980	sub load {	2070	sub load {
1981	my ($self) = @_;	2071	my ($self) = @_;
1982		2072
1983	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2028	unless ($self->{deny_activate}) {	2118	unless ($self->{deny_activate}) {
2029	$self->decay_objects;	2119	$self->decay_objects;
2030	$self->fix_auto_apply;	2120	$self->fix_auto_apply;
2031	$self->update_buttons;	2121	$self->update_buttons;
2032	cf::cede_to_tick;	2122	cf::cede_to_tick;
2033	$self->set_darkness_map;
2034	cf::cede_to_tick;
2035	$self->activate;	2123	$self->activate;
2036	}	2124	}
2037		2125
2038	$self->{last_save} = $cf::RUNTIME;	2126	$self->{last_save} = $cf::RUNTIME;
2039	$self->last_access ($cf::RUNTIME);	2127	$self->last_access ($cf::RUNTIME);
…		…
2042	}	2130	}
2043		2131
2044	$self->post_load;	2132	$self->post_load;
2045	}	2133	}
2046		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
2047	sub customise_for {	2138	sub customise_for {
2048	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
2049		2140
2050	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
2051	if $self->per_player;	2142	if $self->per_player;
…		…
2128	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
2129		2220
2130	()	2221	()
2131	}	2222	}
2132		2223
		2224	# common code, used by both ->save and ->swapout
2133	sub save {	2225	sub _save {
2134	my ($self) = @_;	2226	my ($self) = @_;
2135
2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
2137		2227
2138	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
2139		2229
2140	return unless $self->dirty;	2230	return unless $self->dirty;
2141		2231
…		…
2161	} else {	2251	} else {
2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2163	}	2253	}
2164	}	2254	}
2165		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
2166	sub swap_out {	2264	sub swap_out {
2167	my ($self) = @_;	2265	my ($self) = @_;
2168		2266
2169	# save first because save cedes
2170	$self->save;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2268
2174	return if $self->players;
2175	return if $self->in_memory != cf::MAP_ACTIVE;	2269	return if $self->in_memory != cf::MAP_ACTIVE;
2176	return if $self->{deny_save};	2270	return if $self->{deny_save};
		2271	return if $self->players;
2177		2272
2178	$self->in_memory (cf::MAP_SWAPPED);	2273	# first deactivate the map and "unlink" it from the core
2179
2180	$self->deactivate;	2274	$self->deactivate;
2181	$_->clear_links_to ($self) for values %cf::MAP;	2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
2182	$self->clear;	2282	$self->clear;
2183	}	2283	}
2184		2284
2185	sub reset_at {	2285	sub reset_at {
2186	my ($self) = @_;	2286	my ($self) = @_;
…		…
2205		2305
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2307
2208	return if $self->players;	2308	return if $self->players;
2209		2309
2210	warn "resetting map ", $self->path;	2310	warn "resetting map ", $self->path, "\n";
2211		2311
2212	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
2213		2313
2214	# need to save uniques path	2314	# need to save uniques path
2215	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
2306	: normalise $_	2406	: normalise $_
2307	} @{ aio_readdir $UNIQUEDIR or [] }	2407	} @{ aio_readdir $UNIQUEDIR or [] }
2308	]	2408	]
2309	}	2409	}
2310		2410
		2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
		2442
2311	=back	2443	=back
2312		2444
2313	=head3 cf::object	2445	=head3 cf::object
2314		2446
2315	=cut	2447	=cut
…		…
2380		2512
2381	our $SAY_CHANNEL = {	2513	our $SAY_CHANNEL = {
2382	id => "say",	2514	id => "say",
2383	title => "Map",	2515	title => "Map",
2384	reply => "say ",	2516	reply => "say ",
2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2386	};	2518	};
2387		2519
2388	our $CHAT_CHANNEL = {	2520	our $CHAT_CHANNEL = {
2389	id => "chat",	2521	id => "chat",
2390	title => "Chat",	2522	title => "Chat",
…		…
2445		2577
2446	=item $player_object->enter_link	2578	=item $player_object->enter_link
2447		2579
2448	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
2449		2581
2450	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
2451	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
2452		2586
2453	Will never block.	2587	Will never block.
2454		2588
2455	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
2456		2590
…		…
2481	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
2482		2616
2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2484	if $self->map && $self->map->{path} ne "{link}";	2618	if $self->map && $self->map->{path} ne "{link}";
2485		2619
2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2487	}	2621	}
2488		2622
2489	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
2490	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
2491		2625
…		…
2508	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
2509	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
2510		2644
2511	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
2512	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
2513	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
2514		2648
2515	$map->load;	2649	$map->load;
2516	$map->load_neighbours;	2650	$map->load_neighbours;
2517		2651
2518	return unless $self->contr->active;	2652	return unless $self->contr->active;
2519	$self->activate_recursive;
2520		2653
2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2522	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
		2658	$self->activate_recursive;
2523	}	2659	}
2524		2660
2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2526		2662
2527	Moves the player to the given map-path and coordinates by first freezing	2663	Moves the player to the given map-path and coordinates by first freezing
…		…
2686	$self->contr->savebed ($map, $x, $y)	2822	$self->contr->savebed ($map, $x, $y)
2687	if $exit->flag (cf::FLAG_DAMNED);	2823	if $exit->flag (cf::FLAG_DAMNED);
2688		2824
2689	1	2825	1
2690	}) {	2826	}) {
2691	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2692	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2693	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2694	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2695		2831
2696	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2713	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
2714	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
2715		2851
2716	utf8::encode $text;	2852	utf8::encode $text;
2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2854	}
		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
2718	}	2879	}
2719		2880
2720	=item $client->send_msg ($channel, $msg, $color, [extra...])	2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
2721		2882
2722	Send a drawinfo or msg packet to the client, formatting the msg for the	2883	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2726		2887
2727	=cut	2888	=cut
2728		2889
2729	# non-persistent channels (usually the info channel)	2890	# non-persistent channels (usually the info channel)
2730	our %CHANNEL = (	2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
2731	"c/identify" => {	2898	"c/identify" => {
2732	id => "infobox",	2899	id => "infobox",
2733	title => "Identify",	2900	title => "Identify",
2734	reply => undef,	2901	reply => undef,
2735	tooltip => "Items recently identified",	2902	tooltip => "Items recently identified",
…		…
2737	"c/examine" => {	2904	"c/examine" => {
2738	id => "infobox",	2905	id => "infobox",
2739	title => "Examine",	2906	title => "Examine",
2740	reply => undef,	2907	reply => undef,
2741	tooltip => "Signs and other items you examined",	2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
2742	},	2915	},
2743	"c/book" => {	2916	"c/book" => {
2744	id => "infobox",	2917	id => "infobox",
2745	title => "Book",	2918	title => "Book",
2746	reply => undef,	2919	reply => undef,
…		…
2762	id => "infobox",	2935	id => "infobox",
2763	title => "Body Parts",	2936	title => "Body Parts",
2764	reply => undef,	2937	reply => undef,
2765	tooltip => "Shows which body parts you posess and are available",	2938	tooltip => "Shows which body parts you posess and are available",
2766	},	2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
2767	"c/uptime" => {	2976	"c/uptime" => {
2768	id => "infobox",	2977	id => "infobox",
2769	title => "Uptime",	2978	title => "Uptime",
2770	reply => undef,	2979	reply => undef,
2771	tooltip => "How long the server has been running since last restart",	2980	tooltip => "How long the server has been running since last restart",
…		…
2780	id => "party",	2989	id => "party",
2781	title => "Party",	2990	title => "Party",
2782	reply => "gsay ",	2991	reply => "gsay ",
2783	tooltip => "Messages and chat related to your party",	2992	tooltip => "Messages and chat related to your party",
2784	},	2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
2785	);	3002	);
2786		3003
2787	sub cf::client::send_msg {	3004	sub cf::client::send_msg {
2788	my ($self, $channel, $msg, $color, @extra) = @_;	3005	my ($self, $channel, $msg, $color, @extra) = @_;
2789		3006
2790	$msg = $self->pl->expand_cfpod ($msg);	3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
2791		3009
2792	$color &= cf::NDI_CLIENT_MASK; # just in case...	3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
2793		3011
2794	# check predefined channels, for the benefit of C	3012	# check predefined channels, for the benefit of C
2795	if ($CHANNEL{$channel}) {	3013	if ($CHANNEL{$channel}) {
2796	$channel = $CHANNEL{$channel};	3014	$channel = $CHANNEL{$channel};
2797		3015
2798	$self->ext_msg (channel_info => $channel)	3016	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800
2801	$channel = $channel->{id};	3017	$channel = $channel->{id};
2802		3018
2803	} elsif (ref $channel) {	3019	} elsif (ref $channel) {
2804	# send meta info to client, if not yet sent	3020	# send meta info to client, if not yet sent
2805	unless (exists $self->{channel}{$channel->{id}}) {	3021	unless (exists $self->{channel}{$channel->{id}}) {
2806	$self->{channel}{$channel->{id}} = $channel;	3022	$self->{channel}{$channel->{id}} = $channel;
2807	$self->ext_msg (channel_info => $channel)	3023	$self->ext_msg (channel_info => $channel);
2808	if $self->can_msg;
2809	}	3024	}
2810		3025
2811	$channel = $channel->{id};	3026	$channel = $channel->{id};
2812	}	3027	}
2813		3028
2814	return unless @extra || length $msg;	3029	return unless @extra || length $msg;
2815		3030
2816	if ($self->can_msg) {
2817	# default colour, mask it out	3031	# default colour, mask it out
2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819	if $color & cf::NDI_DEF;	3033	if $color & cf::NDI_DEF;
2820		3034
2821	my $pkt = "msg "	3035	my $pkt = "msg "
2822	. $self->{json_coder}->encode (	3036	. $self->{json_coder}->encode (
2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824	);	3038	);
2825		3039
2826	# try lzf for large packets
2827	$pkt = "lzf " . Compress::LZF::compress $pkt
2828	if 1024 <= length $pkt and $self->{can_lzf};
2829
2830	# split very large packets
2831	if (8192 < length $pkt and $self->{can_lzf}) {
2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833	$pkt = "frag";
2834	}
2835
2836	$self->send_packet ($pkt);	3040	$self->send_big_packet ($pkt);
2837	} else {
2838	if ($color >= 0) {
2839	# replace some tags by gcfclient-compatible ones
2840	for ($msg) {
2841	1 while
2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847	}
2848
2849	$color &= cf::NDI_COLOR_MASK;
2850
2851	utf8::encode $msg;
2852
2853	if (0 && $msg =~ /\[/) {
2854	# COMMAND/INFO
2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
2856	} else {
2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858	$self->send_packet ("drawinfo $color $msg")
2859	}
2860	}
2861	}
2862	}	3041	}
2863		3042
2864	=item $client->ext_msg ($type, @msg)	3043	=item $client->ext_msg ($type, @msg)
2865		3044
2866	Sends an ext event to the client.	3045	Sends an ext event to the client.
…		…
2869		3048
2870	sub cf::client::ext_msg($$@) {	3049	sub cf::client::ext_msg($$@) {
2871	my ($self, $type, @msg) = @_;	3050	my ($self, $type, @msg) = @_;
2872		3051
2873	if ($self->extcmd == 2) {	3052	if ($self->extcmd == 2) {
2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875	} elsif ($self->extcmd == 1) { # TODO: remove	3054	} elsif ($self->extcmd == 1) { # TODO: remove
2876	push @msg, msgtype => "event_$type";	3055	push @msg, msgtype => "event_$type";
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878	}	3057	}
2879	}	3058	}
2880		3059
2881	=item $client->ext_reply ($msgid, @msg)	3060	=item $client->ext_reply ($msgid, @msg)
2882		3061
…		…
2886		3065
2887	sub cf::client::ext_reply($$@) {	3066	sub cf::client::ext_reply($$@) {
2888	my ($self, $id, @msg) = @_;	3067	my ($self, $id, @msg) = @_;
2889		3068
2890	if ($self->extcmd == 2) {	3069	if ($self->extcmd == 2) {
2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892	} elsif ($self->extcmd == 1) {	3071	} elsif ($self->extcmd == 1) {
2893	#TODO: version 1, remove	3072	#TODO: version 1, remove
2894	unshift @msg, msgtype => "reply", msgid => $id;	3073	unshift @msg, msgtype => "reply", msgid => $id;
2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896	}	3075	}
2897	}	3076	}
2898		3077
2899	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2900		3079
…		…
3001		3180
3002	$coro	3181	$coro
3003	}	3182	}
3004		3183
3005	cf::client->attach (	3184	cf::client->attach (
3006	on_destroy => sub {	3185	on_client_destroy => sub {
3007	my ($ns) = @_;	3186	my ($ns) = @_;
3008		3187
3009	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3010	},	3189	},
3011	);	3190	);
…		…
3027	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
3028		3207
3029	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
3030		3209
3031	$safe->permit_only (Opcode::opset qw(	3210	$safe->permit_only (Opcode::opset qw(
3032	:base_core :base_mem :base_orig :base_math	3211	:base_core :base_mem :base_orig :base_math :base_loop
3033	grepstart grepwhile mapstart mapwhile	3212	grepstart grepwhile mapstart mapwhile
3034	sort time	3213	sort time
3035	));	3214	));
3036		3215
3037	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
…		…
3041	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
3042		3221
3043	cf::object	3222	cf::object
3044	contr pay_amount pay_player map x y force_find force_add destroy	3223	contr pay_amount pay_player map x y force_find force_add destroy
3045	insert remove name archname title slaying race decrease split	3224	insert remove name archname title slaying race decrease split
		3225	value
3046		3226
3047	cf::object::player	3227	cf::object::player
3048	player	3228	player
3049		3229
3050	cf::player	3230	cf::player
…		…
3056	=cut	3236	=cut
3057		3237
3058	for (	3238	for (
3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060	insert remove inv nrof name archname title slaying race	3240	insert remove inv nrof name archname title slaying race
3061	decrease split destroy change_exp)],	3241	decrease split destroy change_exp value msg lore send_msg)],
3062	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
3063	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
3064	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
3065	) {	3245	) {
3066	no strict 'refs';	3246	no strict 'refs';
3067	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
3068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3086		3266
3087	my $qcode = $code;	3267	my $qcode = $code;
3088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3089	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
3090		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
3091	local $_;	3274	local $_;
3092	local @safe::cf::_safe_eval_args = values %vars;
3093		3275
3094	my $eval =	3276	my $eval =
3095	"do {\n"	3277	"do {\n"
3096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3097	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
3098	. $code	3280	. $code
3099	. "\n}"	3281	. "\n}"
3100	;	3282	;
3101		3283
		3284	if ($CFG{safe_eval}) {
3102	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
3103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3104	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
3105		3293
3106	if ($@) {	3294	if ($@) {
3107	warn "$@";	3295	warn "$@";
3108	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
3109	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3128	=cut	3316	=cut
3129		3317
3130	sub register_script_function {	3318	sub register_script_function {
3131	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
3132		3320
3133	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
3134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
3135	}	3323	}
3136		3324
3137	=back	3325	=back
3138		3326
3139	=cut	3327	=cut
…		…
3160		3348
3161	$facedata->{version} == 2	3349	$facedata->{version} == 2
3162	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
3163		3351
3164	# patch in the exptable	3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3165	$facedata->{resource}{"res/exp_table"} = {	3354	$facedata->{resource}{"res/exp_table"} = {
3166	type => FT_RSRC,	3355	type => FT_RSRC,
3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
3168	};	3358	};
3169	cf::cede_to_tick;	3359	cf::cede_to_tick;
3170		3360
3171	{	3361	{
3172	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
…		…
3174	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3176		3366
3177	cf::face::set_visibility $idx, $info->{visibility};	3367	cf::face::set_visibility $idx, $info->{visibility};
3178	cf::face::set_magicmap $idx, $info->{magicmap};	3368	cf::face::set_magicmap $idx, $info->{magicmap};
3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3181		3371
3182	cf::cede_to_tick;	3372	cf::cede_to_tick;
3183	}	3373	}
3184		3374
3185	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
…		…
3209		3399
3210	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
3211	}	3401	}
3212		3402
3213	{	3403	{
3214	# TODO: for gcfclient pleasure, we should give resources
3215	# that gcfclient doesn't grok a >10000 face index.
3216	my $res = $facedata->{resource};	3404	my $res = $facedata->{resource};
3217		3405
3218	while (my ($name, $info) = each %$res) {	3406	while (my ($name, $info) = each %$res) {
3219	if (defined $info->{type}) {	3407	if (defined $info->{type}) {
3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221	my $data;
3222		3409
3223	if ($info->{type} & 1) {	3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3224	# prepend meta info
3225
3226	my $meta = $enc->encode ({
3227	name => $name,
3228	%{ $info->{meta} || {} },
3229	});
3230
3231	$data = pack "(w/a*)*", $meta, $info->{data};
3232	} else {
3233	$data = $info->{data};
3234	}
3235
3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237	cf::face::set_type $idx, $info->{type};	3411	cf::face::set_type $idx, $info->{type};
3238	} else {	3412	} else {
3239	$RESOURCE{$name} = $info;	3413	$RESOURCE{$name} = $info;
3240	}	3414	}
3241		3415
…		…
3324	reload_treasures;	3498	reload_treasures;
3325		3499
3326	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
3327	}	3501	}
3328		3502
3329	sub init {
3330	my $guard = freeze_mainloop;
3331
3332	evthread_start IO::AIO::poll_fileno;
3333
3334	reload_resources;
3335	}
3336
3337	sub reload_config {	3503	sub reload_config {
		3504	warn "reloading config file...\n";
		3505
3338	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
3339	or return;	3507	or return;
3340		3508
3341	local $/;	3509	local $/;
3342	*CFG = YAML::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
3343		3511
3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3345		3513
3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3351	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3352	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
3353	};	3521	};
3354	warn $@ if $@;	3522	warn $@ if $@;
3355	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
3356	}	3554	}
3357		3555
3358	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
3359	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
3360	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3362	(async {	3569	(async {
3363	$Coro::current->{desc} = "IDLE BUG HANDLER";	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
3364	EV::loop EV::LOOP_ONESHOT;	3571	EV::loop EV::LOOP_ONESHOT;
3365	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
3366	};	3573	};
3367		3574
3368	{	3575	evthread_start IO::AIO::poll_fileno;
3369	my $guard = freeze_mainloop;	3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
3370	reload_config;	3587	reload_config;
3371	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
3372	load_extensions;	3598	load_extensions;
3373		3599
3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3600	utime time, time, $RUNTIMEFILE;
		3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
3375	}	3607	};
3376		3608
3377	EV::loop;	3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
3378	}	3613	}
3379		3614
3380	#############################################################################	3615	#############################################################################
3381	# initialisation and cleanup	3616	# initialisation and cleanup
3382		3617
3383	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
3384	BEGIN {	3619	BEGIN {
3385	our %SIGWATCHER = ();	3620	our %SIGWATCHER = ();
3386	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3388	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
3389	};	3624	};
3390	}	3625	}
3391	}	3626	}
3392		3627
3393	sub write_runtime_sync {	3628	sub write_runtime_sync {
3394	my $runtime = "$LOCALDIR/runtime";	3629	my $t0 = AE::time;
3395		3630
3396	# first touch the runtime file to show we are still running:	3631	# first touch the runtime file to show we are still running:
3397	# the fsync below can take a very very long time.	3632	# the fsync below can take a very very long time.
3398		3633
3399	IO::AIO::aio_utime $runtime, undef, undef;	3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3400		3635
3401	my $guard = cf::lock_acquire "write_runtime";	3636	my $guard = cf::lock_acquire "write_runtime";
3402		3637
3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3404	or return;	3639	or return;
3405		3640
3406	my $value = $cf::RUNTIME + 90 + 10;	3641	my $value = $cf::RUNTIME + 90 + 10;
3407	# 10 is the runtime save interval, for a monotonic clock	3642	# 10 is the runtime save interval, for a monotonic clock
3408	# 60 allows for the watchdog to kill the server.	3643	# 60 allows for the watchdog to kill the server.
…		…
3418	aio_utime $fh, undef, undef;	3653	aio_utime $fh, undef, undef;
3419		3654
3420	close $fh	3655	close $fh
3421	or return;	3656	or return;
3422		3657
3423	aio_rename "$runtime~", $runtime	3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3424	and return;	3659	and return;
3425		3660
3426	warn "runtime file written.\n";	3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3427		3662
3428	1	3663	1
3429	}	3664	}
3430		3665
3431	our $uuid_lock;	3666	our $uuid_lock;
…		…
3440	my $uuid = "$LOCALDIR/uuid";	3675	my $uuid = "$LOCALDIR/uuid";
3441		3676
3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443	or return;	3678	or return;
3444		3679
3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
3446	$uuid_skip = 0;	3688	$uuid_skip = 0;
3447		3689
3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3449	and return;	3691	and return;
3450		3692
…		…
3472	}	3714	}
3473		3715
3474	sub emergency_save() {	3716	sub emergency_save() {
3475	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
3476		3718
3477	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
3478		3720
3479	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
3480	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
3481	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
3482	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
3483	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
3484	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
3485	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
3486	$pl->valid or next;	3733	$pl->valid or next;
3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3488	$pl->save;	3735	$pl->save;
3489	}	3736	}
3490	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
3491		3738
3492	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
3493	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
3494	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
3495	$map->valid or next;	3742	$map->valid or next;
3496	$map->save;	3743	$map->save;
3497	}	3744	}
3498	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
3499		3746
3500	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
3501	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
3502	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
3503		3750
3504	warn "begin write uuid\n";	3751	warn "emergency_perl_save: begin write uuid\n";
3505	write_uuid_sync 1;	3752	write_uuid_sync 1;
3506	warn "end write uuid\n";	3753	warn "emergency_perl_save: end write uuid\n";
3507	};	3754	};
3508		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
3509	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
3510	}	3762	}
3511		3763
3512	sub post_cleanup {	3764	sub post_cleanup {
3513	my ($make_core) = @_;	3765	my ($make_core) = @_;
3514		3766
3515	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
3516	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
3517	}	3772	}
3518		3773
3519	# a safer delete_package, copied from Symbol	3774	# a safer delete_package, copied from Symbol
3520	sub clear_package($) {	3775	sub clear_package($) {
3521	my $pkg = shift;	3776	my $pkg = shift;
…		…
3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538	for my $name (keys %$leaf_symtab) {	3793	for my $name (keys %$leaf_symtab) {
3539	_gv_clear *{"$pkg$name"};	3794	_gv_clear *{"$pkg$name"};
3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541	}	3796	}
3542	warn "cleared package #$pkg\n";#d#
3543	}	3797	}
3544
3545	our $RELOAD; # how many times to reload
3546		3798
3547	sub do_reload_perl() {	3799	sub do_reload_perl() {
3548	# can/must only be called in main	3800	# can/must only be called in main
3549	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
3550	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
3551	return;	3803	return;
3552	}	3804	}
3553		3805
3554	return if $RELOAD++;	3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
3555		3809
3556	while ($RELOAD) {	3810	while ($RELOAD) {
3557	warn "reloading...";	3811	warn "reloading...";
3558		3812
3559	warn "entering sync_job";	3813	warn "entering sync_job";
…		…
3620	clear_package "safe::$_"	3874	clear_package "safe::$_"
3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3622		3876
3623	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
3624	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
3625	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3626		3880
3627	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
3628	# and global variables created in xs	3882	# and global variables created in xs
3629	#clear_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
3630		3884
3631	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
3632		3886
3633	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
3634	require cf;	3888	require cf;
3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
3636		3890
3637	warn "loading config and database again";	3891	warn "loading config and database again";
3638	cf::reload_config;	3892	cf::reload_config;
3639		3893
3640	warn "loading extensions";	3894	warn "loading extensions";
3641	cf::load_extensions;	3895	cf::load_extensions;
3642		3896
		3897	if ($REATTACH_ON_RELOAD) {
3643	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
3644	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
3645	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
3646	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
3647	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
3648	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
3649		3908
3650	warn "leaving sync_job";	3909	warn "leaving sync_job";
3651		3910
3652	1	3911	1
3653	} or do {	3912	} or do {
…		…
3656	};	3915	};
3657		3916
3658	warn "reloaded";	3917	warn "reloaded";
3659	--$RELOAD;	3918	--$RELOAD;
3660	}	3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
3661	};	3923	};
3662		3924
3663	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
3664		3926
3665	sub reload_perl() {	3927	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
3668		3930
		3931	$RELOAD_WATCHER ||= cf::async {
		3932	Coro::AIO::aio_wait cache_extensions;
		3933
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	3935	do_reload_perl;
3671	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
		3937	};
3672	};	3938	};
3673	}	3939	}
3674		3940
3675	register_command "reload" => sub {	3941	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
…		…
3690		3956
3691	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
3693		3959
3694	sub wait_for_tick {	3960	sub wait_for_tick {
3695	return if tick_inhibit || $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3696		3962
3697	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
3698	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
3699	$signal->wait;	3965	$signal->wait;
3700	}	3966	}
3701		3967
3702	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
3703	return if tick_inhibit || $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3704		3970
3705	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
3706	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
3707	$signal->wait;	3973	$signal->wait;
3708	}	3974	}
…		…
3713	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
3714	return;	3980	return;
3715	}	3981	}
3716		3982
3717	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
		3984
		3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3718		3986
3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3721	Coro::async_pool {	3989	Coro::async_pool {
3722	$Coro::current->{desc} = "runtime saver";	3990	$Coro::current->{desc} = "runtime saver";
…		…
3745	}	4013	}
3746		4014
3747	{	4015	{
3748	# configure BDB	4016	# configure BDB
3749		4017
3750	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
3751	BDB::max_poll_reqs $TICK * 0.1;	4019	BDB::max_poll_reqs $TICK * 0.1;
3752	$AnyEvent::BDB::WATCHER->priority (1);	4020	$AnyEvent::BDB::WATCHER->priority (1);
3753		4021
3754	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
3755	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
…		…
3802	$msg =~ s/\n//;	4070	$msg =~ s/\n//;
3803		4071
3804	# limit the # of concurrent backtraces	4072	# limit the # of concurrent backtraces
3805	if ($_log_backtrace < 2) {	4073	if ($_log_backtrace < 2) {
3806	++$_log_backtrace;	4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
3807	async {	4076	async {
3808	$Coro::current->{desc} = "abt $msg";	4077	$Coro::current->{desc} = "abt $msg";
3809		4078
3810	my @bt = fork_call {	4079	my @bt = fork_call {
3811	@addr = map { sprintf "%x", $_ } @addr;	4080	@addr = map { sprintf "%x", $_ } @addr;
…		…
3822	}	4091	}
3823		4092
3824	@funcs	4093	@funcs
3825	};	4094	};
3826		4095
3827	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3828	LOG llevInfo, "[ABT] $_\n" for @bt;	4098	LOG llevInfo, "[ABT] $_\n" for @bt;
3829	--$_log_backtrace;	4099	--$_log_backtrace;
3830	};	4100	};
3831	} else {	4101	} else {
3832	LOG llevInfo, "[ABT] $msg\n";	4102	LOG llevInfo, "[ABT] $msg\n";
3833	LOG llevInfo, "[ABT] [suppressed]\n";	4103	LOG llevInfo, "[ABT] [suppressed]\n";
3834	}	4104	}
3835	}	4105	}
3836		4106
3837	# load additional modules	4107	# load additional modules
3838	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
3839		4110
3840	END { cf::emergency_save }	4111	END { cf::emergency_save }
3841		4112
3842	1	4113	1
3843		4114

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