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Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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 utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	98	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
92	our %RESOURCE;	111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
93		118
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	121	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		123
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	124	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	125	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	127	our $DB_ENV;
105		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
		130
106	our %CFG;	131	our %CFG;
107		132
108	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	134	our $RUNTIME;
110	our $NOW;	135	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	146	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
123		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
124	binmode STDOUT;	154	binmode STDOUT;
125	binmode STDERR;	155	binmode STDERR;
126		156
127	# read virtual server time, if available	157	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
132	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
133		165
134	mkdir $_	166	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		168
137	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
138		170
139	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		187
141	#############################################################################	188	#############################################################################
142		189
143	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
144		191
…		…
191	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		240
194	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
195		242
196	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	245	that call.
199		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
200	=back	253	=back
201		254
202	=cut	255	=cut
203		256
204	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	264	my $msg = join "", @_;
207		265
208	$msg .= "\n"	266	$msg .= "\n"
209	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
210		268
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		270
213	LOG llevError, $msg;	271	LOG llevWarn, $msg;
214	};	272	};
215	}
216		273
217	$Coro::State::DIEHOOK = sub {	274	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	275	return unless $^S eq 0; # "eq", not "=="
219		276
220	if ($Coro::current == $Coro::main) {#d#	277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	280	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	281	return;#d#
223	}#d#	282	}#d#
224		283
225	# kill coroutine otherwise	284	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	285	Coro::terminate
228	};	286	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		287
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	298	for my $pkg (qw(
243	cf::global cf::attachable	299	cf::global cf::attachable
244	cf::object cf::object::player	300	cf::object cf::object::player
245	cf::client cf::player	301	cf::client cf::player
246	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
247	cf::map cf::party cf::region	304	cf::party cf::region
248	)) {	305	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	307	}
252		308
253	$EV::DIED = sub {	309	$EV::DIED = sub {
254	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
255	};	311	};
256		312
257	#############################################################################	313	#############################################################################
258		314
259	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		353
298	sub encode_json($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
300		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
301	=item cf::lock_wait $string	371	=item cf::lock_wait $string
302		372
303	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
304		374
305	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
306		376
307	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
310	returned.	380	returned.
311		381
312	Locks are *not* recursive, locking from the same coro twice results in a	382	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	383	deadlocked coro.
…		…
319		389
320	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
321		391
322	=cut	392	=cut
323		393
324	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		395
327	sub lock_wait($) {	396	sub lock_wait($) {
328	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	398	}
341		399
342	sub lock_acquire($) {	400	sub lock_acquire($) {
343	my ($key) = @_;	401	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	402	}
357		403
358	sub lock_active($) {	404	sub lock_active($) {
359	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	406	}
363		407
364	sub freeze_mainloop {	408	sub freeze_mainloop {
365	tick_inhibit_inc;	409	tick_inhibit_inc;
366		410
367	Coro::guard \&tick_inhibit_dec;	411	&Guard::guard (\&tick_inhibit_dec);
368	}	412	}
369		413
370	=item cf::periodic $interval, $cb	414	=item cf::periodic $interval, $cb
371		415
372	Like EV::periodic, but randomly selects a starting point so that the actions	416	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	417	get spread over time.
374		418
375	=cut	419	=cut
376		420
377	sub periodic($$) {	421	sub periodic($$) {
378	my ($interval, $cb) = @_;	422	my ($interval, $cb) = @_;
…		…
395		439
396	=cut	440	=cut
397		441
398	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
400		445
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	448	$Coro::current->desc ("timeslot manager");
404		449
405	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
406		452
407	while () {	453	while () {
408	next_job:	454	next_job:
		455
409	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	457
411	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	462	$job->[2]->send;
415	Coro::cede;	463	Coro::cede;
416	goto next_job;	464	goto next_job;
417	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	467	}
419	}	468	}
420		469
421	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
424	$signal->wait;	473	$signal->wait;
425	} else {	474	} else {
		475	$busy = 0;
426	Coro::schedule;	476	Coro::schedule;
427	}	477	}
428	}	478	}
429	};	479	};
430		480
431	sub get_slot($;$$) {	481	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	482	return if tick_inhibit || $Coro::current == $Coro::main;
433		483
434	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
435		485
436	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
437	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
438		489
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
467	=cut	518	=cut
468		519
469	sub sync_job(&) {	520	sub sync_job(&) {
470	my ($job) = @_;	521	my ($job) = @_;
471		522
472	if ($Coro::current == $Coro::main) {	523	if (in_main) {
473	my $time = EV::time;	524	my $time = AE::time;
474		525
475	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
477		528
478	LOG llevError, Carp::longmess "sync job";#d#	529	#LOG llevError, Carp::longmess "sync job";#d#
479		530
480	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
481		532
482	my $busy = 1;	533	my $busy = 1;
483	my @res;	534	my @res;
484		535
485	(async {	536	(async {
486	$Coro::current->desc ("sync job coro");	537	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	538	@res = eval { $job->() };
488	warn $@ if $@;	539	error $@ if $@;
489	undef $busy;	540	undef $busy;
490	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
491		542
492	while ($busy) {	543	while ($busy) {
493	if (Coro::nready) {	544	if (Coro::nready) {
…		…
495	} else {	546	} else {
496	EV::loop EV::LOOP_ONESHOT;	547	EV::loop EV::LOOP_ONESHOT;
497	}	548	}
498	}	549	}
499		550
500	my $time = EV::time - $time;	551	my $time = AE::time - $time;
501		552
502	$TICK_START += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
503		554
504	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
505	} else {	556	} else {
…		…
549	reset_signals;	600	reset_signals;
550	&$cb	601	&$cb
551	}, @args;	602	}, @args;
552		603
553	wantarray ? @res : $res[-1]	604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
		608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
554	}	616	}
555		617
556	=item $coin = coin_from_name $name	618	=item $coin = coin_from_name $name
557		619
558	=cut	620	=cut
…		…
595	within each server.	657	within each server.
596		658
597	=cut	659	=cut
598		660
599	sub db_table($) {	661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
600	my ($name) = @_;	665	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	666	my $db = BDB::db_create $DB_ENV;
602		667
603	eval {	668	eval {
604	$db->set_flags (BDB::CHKSUM);	669	$db->set_flags (BDB::CHKSUM);
…		…
614	}	679	}
615		680
616	our $DB;	681	our $DB;
617		682
618	sub db_init {	683	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	684	$DB ||= db_table "db";
621	};
622	}	685	}
623		686
624	sub db_get($$) {	687	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
626		689
627	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
628	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
629		694
630	$! ? ()	695	$! ? ()
631	: $data	696	: $data
632	}
633	}	697	}
634		698
635	sub db_put($$$) {	699	sub db_put($$$) {
636	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
693		757
694	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
695	my $data = $process->(\@data);	759	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
697		761
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		763
700	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
703		767
…		…
713		777
714	=cut	778	=cut
715		779
716	sub datalog($@) {	780	sub datalog($@) {
717	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	783	}
720		784
721	=back	785	=back
722		786
723	=cut	787	=cut
724		788
725	#############################################################################	789	#############################################################################
726		790
727	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
728		792
729	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
732		796
733	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
785		849
786	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
788		852
789	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
791		855
792	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
793		857
794	=over 4	858	=over 4
…		…
918		982
919	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		985
922	} elsif (ref $type) {	986	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
924		988
925	} else {	989	} else {
926	shift @arg;	990	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
928	}	992	}
929	}	993	}
930	}	994	}
931		995
932	sub _object_attach {	996	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
943	}	1007	}
944		1008
945	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
946	} else {	1010	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1012	}
949		1013
950	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
951	}	1015	}
952		1016
…		…
1011		1075
1012	for (@$callbacks) {	1076	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
1014		1078
1015	if ($@) {	1079	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1081	override;
1019	}	1082	}
1020		1083
1021	return 1 if $override;	1084	return 1 if $override;
1022	}	1085	}
…		…
1085		1148
1086	sub reattach {	1149	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1151	my ($obj) = @_;
1089		1152
		1153	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1155
1092	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
1093		1157
1094	@$registry = ();	1158	@$registry = ();
1095		1159
…		…
1100	for (@$attach) {	1164	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
1103	}	1167	}
1104	} else {	1168	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1170	}
1107	}	1171	}
1108	}	1172	}
1109		1173
1110	cf::attachable->attach (	1174	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1138		1202
1139	sync_job {	1203	sync_job {
1140	if (length $$rdata) {	1204	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1205	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1144		1209
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	close $fh;	1217	aio_close $fh;
1150		1218
1151	if (@$objs) {	1219	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
1157	close $fh;	1228	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1230	}
1160	} else {	1231	} else {
1161	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1162	}	1233	}
1163		1234
1164	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1239	} else {
1166	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1167	}	1241	}
1168	} else {	1242	} else {
1169	aio_unlink $filename;	1243	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1171	}	1245	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1269	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1270	$av = $st->{objs};
1197	}	1271	}
1198		1272
1199	utf8::decode (my $decname = $filename);	1273	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
1202		1277
1203	($data, $av)	1278	($data, $av)
1204	}	1279	}
1205		1280
1206	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
…		…
1262	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1263		1338
1264	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1265	}	1340	}
1266		1341
		1342	use File::Glob ();
		1343
1267	cf::player->attach (	1344	cf::player->attach (
1268	on_command => sub {	1345	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1270		1347
1271	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1272	or return;	1349	or return;
1273		1350
…		…
1296		1373
1297	$pl->ext_reply ($reply, @reply)	1374	$pl->ext_reply ($reply, @reply)
1298	if $reply;	1375	if $reply;
1299		1376
1300	} else {	1377	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1379	}
1303		1380
1304	cf::override;	1381	cf::override;
1305	},	1382	},
1306	);	1383	);
1307		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1308	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1309	cf::sync_job {	1401	cf::sync_job {
1310	my %todo;	1402	my %todo;
1311		1403
1312	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1405	next unless -r $path;
…		…
1331		1423
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1426
1335	$ext{source} =	1427	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1338	. $source	1430	. $source
1339	. "\n};\n1";	1431	. "\n};\n1";
1340		1432
1341	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1342	}	1434	}
1343		1435
		1436	my $pass = 0;
1344	my %done;	1437	my %done;
1345	while (%todo) {	1438	while (%todo) {
1346	my $progress;	1439	my $progress;
1347		1440
		1441	++$pass;
		1442
		1443	ext:
1348	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1446	next ext
1351	unless exists $done{$_};	1447	unless exists $done{$_};
1352	}	1448	}
1353		1449
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1451
1356	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1456
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1458	if exists $v->{meta}{mandatory};
1364		1459
1365	warn $msg;	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1366	}	1469	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1470	}
1372		1471
1373	skip:	1472	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1376	}	1480	}
1377	};	1481	};
1378	}	1482	}
1379		1483
1380	#############################################################################	1484	#############################################################################
1381		1485
1382	=back	1486	=back
1383		1487
1384	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1385		1489
1386	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1387		1491
1388	=cut	1492	=cut
1389		1493
1390	package cf::player;	1494	package cf::player;
1391		1495
…		…
1434		1538
1435	sub exists($) {	1539	sub exists($) {
1436	my ($login) = @_;	1540	my ($login) = @_;
1437		1541
1438	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1440	}	1544	}
1441		1545
1442	sub find($) {	1546	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1548	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1560	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1561	or return;
1458		1562
1459	my $pl = cf::player::load_pl $f	1563	my $pl = cf::player::load_pl $f
1460	or return;	1564	or return;
		1565
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1566	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1567	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1464	}	1569	}
1465	}	1570	}
1466	}	1571	}
1467		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
		1585
1468	sub save($) {	1586	sub save($) {
1469	my ($pl) = @_;	1587	my ($pl) = @_;
1470		1588
1471	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
1472		1590
…		…
1477		1595
1478	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1480		1598
1481	cf::get_slot 0.01;	1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1482		1603
1483	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1605	cf::cede_to_tick;
1485	}	1606	}
1486		1607
…		…
1518	my ($pl) = @_;	1639	my ($pl) = @_;
1519		1640
1520	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1521		1642
1522	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1645
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1529		1651
1530	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1692
1571	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
1572	my $path = path $login;	1694	my $path = path $login;
1573		1695
1574	# a .pst is a dead give-away for a valid player	1696	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1702	}
1580		1703
…		…
1584		1707
1585	\@logins	1708	\@logins
1586	}	1709	}
1587		1710
1588	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1589		1714
1590	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1591	player. May block.	1716	player. May block.
1592		1717
1593	=cut	1718	=cut
…		…
1611	}	1736	}
1612		1737
1613	\@paths	1738	\@paths
1614	}	1739	}
1615		1740
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1742
1618	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1744
1709	=item $player->ext_reply ($msgid, @msg)	1745	=item $player->ext_reply ($msgid, @msg)
1710		1746
1711	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1712		1748
…		…
1744		1780
1745	=cut	1781	=cut
1746		1782
1747	sub find_by_path($) {	1783	sub find_by_path($) {
1748	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1749		1787
1750	my ($match, $specificity);	1788	my ($match, $specificity);
1751		1789
1752	for my $region (list) {	1790	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786		1824
1787	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	1826	$self->_create_random_map (
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1810		1848
1811	sub register {	1849	sub register {
1812	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	1851	my $pkg = caller;
1814		1852
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		1854
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	1856	}
1820		1857
1821	# also paths starting with '/'	1858	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		1860
1824	sub thawer_merge {	1861	sub thawer_merge {
1825	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1826		1863
1827	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1925		1962
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1928	}	1965	}
1929		1966
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	1967	sub decay_objects {
1940	my ($self) = @_;	1968	my ($self) = @_;
1941		1969
1942	return if $self->{deny_reset};	1970	return if $self->{deny_reset};
1943		1971
…		…
2025	sub find {	2053	sub find {
2026	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
2027		2055
2028	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
2029		2057
2030	cf::lock_wait "map_data:$path";#d#remove	2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2060
2033	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
2038	or return;	2063	or return;
2039		2064
2040	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
2041		2066
…		…
2043	or return;	2068	or return;
2044		2069
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
2048	undef $guard1;	2074	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2075	$map->reset;
2051	return find $path;	2076	return find $path;
2052	}	2077	}
2053		2078
2054	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
2055	}	2080	}
2056	}	2081	}
2057		2082
2058	sub pre_load { }	2083	sub pre_load { }
2059	sub post_load { }	2084	#sub post_load { } # XS
2060		2085
2061	sub load {	2086	sub load {
2062	my ($self) = @_;	2087	my ($self) = @_;
2063		2088
2064	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2106	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2107	$f->skip_block;
2083	$self->_load_objects ($f)	2108	$self->_load_objects ($f)
2084	or return;	2109	or return;
2085		2110
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
2087	if delete $self->{load_original};	2112	if delete $self->{load_original};
2088		2113
2089	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2115	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2116	unless (aio_stat $uniq) {
…		…
2109	unless ($self->{deny_activate}) {	2134	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2135	$self->decay_objects;
2111	$self->fix_auto_apply;	2136	$self->fix_auto_apply;
2112	$self->update_buttons;	2137	$self->update_buttons;
2113	cf::cede_to_tick;	2138	cf::cede_to_tick;
2114	$self->set_darkness_map;
2115	cf::cede_to_tick;
2116	$self->activate;	2139	$self->activate;
2117	}	2140	}
2118		2141
2119	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2143	$self->last_access ($cf::RUNTIME);
…		…
2123	}	2146	}
2124		2147
2125	$self->post_load;	2148	$self->post_load;
2126	}	2149	}
2127		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
2128	sub customise_for {	2154	sub customise_for {
2129	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
2130		2156
2131	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2158	if $self->per_player;
…		…
2148	or next;	2174	or next;
2149	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
2150	or next;	2176	or next;
2151	$neigh->load;	2177	$neigh->load;
2152		2178
		2179	# now find the diagonal neighbours
2153	push @neigh,	2180	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}	2183	}
2157		2184
…		…
2164	}	2191	}
2165		2192
2166	sub find_sync {	2193	sub find_sync {
2167	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
2168		2195
2169	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
2170	}	2200	}
2171		2201
2172	sub do_load_sync {	2202	sub do_load_sync {
2173	my ($map) = @_;	2203	my ($map) = @_;
2174		2204
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2206	if $Coro::current == $Coro::main;
2177		2207
2178	cf::sync_job { $map->load };	2208	$map->load;
2179	}	2209	}
2180		2210
2181	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
2183		2213
…		…
2209	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
2210		2240
2211	()	2241	()
2212	}	2242	}
2213		2243
		2244	# common code, used by both ->save and ->swapout
2214	sub save {	2245	sub _save {
2215	my ($self) = @_;	2246	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2247
2219	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2220		2249
2221	return unless $self->dirty;	2250	return unless $self->dirty;
2222		2251
…		…
2242	} else {	2271	} else {
2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2244	}	2273	}
2245	}	2274	}
2246		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
2247	sub swap_out {	2284	sub swap_out {
2248	my ($self) = @_;	2285	my ($self) = @_;
2249		2286
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2288
2255	return if $self->players;
2256	return if $self->in_memory != cf::MAP_ACTIVE;	2289	return if $self->in_memory != cf::MAP_ACTIVE;
2257	return if $self->{deny_save};	2290	return if $self->{deny_save};
		2291	return if $self->players;
2258		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
2259	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
		2302	$self->clear;
		2303	}
		2304
		2305	sub reset_at {
		2306	my ($self) = @_;
		2307
		2308	# TODO: safety, remove and allow resettable per-player maps
		2309	return 1e99 if $self->{deny_reset};
		2310
		2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2313
		2314	$time + $to
		2315	}
		2316
		2317	sub should_reset {
		2318	my ($self) = @_;
		2319
		2320	$self->reset_at <= $cf::RUNTIME
		2321	}
		2322
		2323	sub reset {
		2324	my ($self) = @_;
		2325
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
		2328	return if $self->players;
		2329
		2330	cf::trace "resetting map ", $self->path, "\n";
		2331
		2332	$self->in_memory (cf::MAP_SWAPPED);
		2333
		2334	# need to save uniques path
		2335	unless ($self->{deny_save}) {
		2336	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2337
		2338	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2339	if $uniq;
		2340	}
		2341
		2342	delete $cf::MAP{$self->path};
2260		2343
2261	$self->deactivate;	2344	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2345	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2346	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($self) = @_;
2268
2269	# TODO: safety, remove and allow resettable per-player maps
2270	return 1e99 if $self->{deny_reset};
2271
2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2274
2275	$time + $to
2276	}
2277
2278	sub should_reset {
2279	my ($self) = @_;
2280
2281	$self->reset_at <= $cf::RUNTIME
2282	}
2283
2284	sub reset {
2285	my ($self) = @_;
2286
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288
2289	return if $self->players;
2290
2291	warn "resetting map ", $self->path;
2292
2293	$self->in_memory (cf::MAP_SWAPPED);
2294
2295	# need to save uniques path
2296	unless ($self->{deny_save}) {
2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
2298
2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2300	if $uniq;
2301	}
2302
2303	delete $cf::MAP{$self->path};
2304
2305	$self->deactivate;
2306	$_->clear_links_to ($self) for values %cf::MAP;
2307	$self->clear;
2308		2347
2309	$self->unlink_save;	2348	$self->unlink_save;
2310	$self->destroy;	2349	$self->destroy;
2311	}	2350	}
2312		2351
…		…
2320		2359
2321	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
2322		2361
2323	$self->unlink_save;	2362	$self->unlink_save;
2324		2363
2325	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2369
…		…
2387	: normalise $_	2426	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2427	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2428	]
2390	}	2429	}
2391		2430
		2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
		2462
2392	=back	2463	=back
2393		2464
2394	=head3 cf::object	2465	=head3 cf::object
2395		2466
2396	=cut	2467	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
2459		2530
2460	=cut	2531	=cut
2461		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
		2546
2462	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2548	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2551	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2562	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2564
2480	} else {	2565	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2568	}
2484	}	2569	}
2485	}	2570	}
2486		2571
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2597
2513	=item $player_object->enter_link	2598	=item $player_object->enter_link
2514		2599
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2601
2517	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
2519		2606
2520	Will never block.	2607	Will never block.
2521		2608
2522	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
2523		2610
…		…
2543	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2631	my ($self) = @_;
2545		2632
2546	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
2547		2634
		2635	++$self->{_link_recursion};
		2636
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2638
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2640	if $self->map && $self->map->{path} ne "{link}";
2552		2641
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2643	}
2555		2644
2556	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
2558		2647
…		…
2575	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
2577		2666
2578	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
2581		2670
2582	$map->load;	2671	$map->load;
2583	$map->load_neighbours;	2672	$map->load_neighbours;
2584		2673
2585	return unless $self->contr->active;	2674	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2675
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
2590	}	2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
		2681	$self->activate_recursive;
		2682	}
2591		2683
		2684	}
		2685
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2593		2687
2594	Moves the player to the given map-path and coordinates by first freezing	2688	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2689	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2690	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2691	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2692	be called at the end of this process.
2599		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
2600	=cut	2697	=cut
2601		2698
2602	our $GOTOGEN;	2699	our $GOTOGEN;
2603		2700
2604	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
2605	my ($self, $path, $x, $y, $check, $done) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
2606		2709
2607	# do generation counting so two concurrent goto's will be executed in-order	2710	# do generation counting so two concurrent goto's will be executed in-order
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2712
2610	$self->enter_link;	2713	$self->enter_link;
…		…
2634	my $map = eval {	2737	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2738	my $map = defined $path ? cf::map::find $path : undef;
2636		2739
2637	if ($map) {	2740	if ($map) {
2638	$map = $map->customise_for ($self);	2741	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2742	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2743	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2745	}
2643		2746
2644	$map	2747	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2755	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2756	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
2655	}	2758	}
2656		2759
2657	$done->() if $done;	2760	$done->($self) if $done;
2658	})->prio (1);	2761	})->prio (1);
2659	}	2762	}
2660		2763
2661	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
2662		2765
…		…
2682	}	2785	}
2683		2786
2684	sub prepare_random_map {	2787	sub prepare_random_map {
2685	my ($exit) = @_;	2788	my ($exit) = @_;
2686		2789
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2792	# that depends on the exit object
2692		2793
2693	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2796	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
2700	}	2803	}
2701		2804
2702	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
2703		2806
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2813	undef $fh;
2711	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
2712		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
2715	}	2822	}
2716	}	2823	}
2717		2824
2718	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2720		2827
2721	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2722		2829
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2830	$self->enter_link;
2735		2831
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2832	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2833	$Coro::current->{desc} = "enter_exit";
2742		2834
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2745	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2746		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2747	1;	2856	1
2748	}) {	2857	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2862
2754	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	2864	$self->leave_link;
2756	}	2865	}
2757	})->prio (1);	2866	})->prio (1);
2758	}	2867	}
2759		2868
…		…
2771	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
2773		2882
2774	utf8::encode $text;	2883	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2885	}
		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
2776	}	2910	}
2777		2911
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		2913
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	2914	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		2918
2785	=cut	2919	=cut
2786		2920
2787	# non-persistent channels (usually the info channel)	2921	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
2789	"c/identify" => {	2929	"c/identify" => {
2790	id => "infobox",	2930	id => "infobox",
2791	title => "Identify",	2931	title => "Identify",
2792	reply => undef,	2932	reply => undef,
2793	tooltip => "Items recently identified",	2933	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	2935	"c/examine" => {
2796	id => "infobox",	2936	id => "infobox",
2797	title => "Examine",	2937	title => "Examine",
2798	reply => undef,	2938	reply => undef,
2799	tooltip => "Signs and other items you examined",	2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
2800	},	2946	},
2801	"c/book" => {	2947	"c/book" => {
2802	id => "infobox",	2948	id => "infobox",
2803	title => "Book",	2949	title => "Book",
2804	reply => undef,	2950	reply => undef,
…		…
2820	id => "infobox",	2966	id => "infobox",
2821	title => "Body Parts",	2967	title => "Body Parts",
2822	reply => undef,	2968	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2969	tooltip => "Shows which body parts you posess and are available",
2824	},	2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
2825	"c/uptime" => {	3007	"c/uptime" => {
2826	id => "infobox",	3008	id => "infobox",
2827	title => "Uptime",	3009	title => "Uptime",
2828	reply => undef,	3010	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3011	tooltip => "How long the server has been running since last restart",
…		…
2838	id => "party",	3020	id => "party",
2839	title => "Party",	3021	title => "Party",
2840	reply => "gsay ",	3022	reply => "gsay ",
2841	tooltip => "Messages and chat related to your party",	3023	tooltip => "Messages and chat related to your party",
2842	},	3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
2843	);	3033	);
2844		3034
2845	sub cf::client::send_msg {	3035	sub cf::client::send_msg {
2846	my ($self, $channel, $msg, $color, @extra) = @_;	3036	my ($self, $channel, $msg, $color, @extra) = @_;
2847		3037
2848	$msg = $self->pl->expand_cfpod ($msg);	3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
2849		3040
2850	$color &= cf::NDI_CLIENT_MASK; # just in case...	3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
2851		3042
2852	# check predefined channels, for the benefit of C	3043	# check predefined channels, for the benefit of C
2853	if ($CHANNEL{$channel}) {	3044	if ($CHANNEL{$channel}) {
2854	$channel = $CHANNEL{$channel};	3045	$channel = $CHANNEL{$channel};
2855		3046
2856	$self->ext_msg (channel_info => $channel)	3047	$self->ext_msg (channel_info => $channel);
2857	if $self->can_msg;
2858
2859	$channel = $channel->{id};	3048	$channel = $channel->{id};
2860		3049
2861	} elsif (ref $channel) {	3050	} elsif (ref $channel) {
2862	# send meta info to client, if not yet sent	3051	# send meta info to client, if not yet sent
2863	unless (exists $self->{channel}{$channel->{id}}) {	3052	unless (exists $self->{channel}{$channel->{id}}) {
2864	$self->{channel}{$channel->{id}} = $channel;	3053	$self->{channel}{$channel->{id}} = $channel;
2865	$self->ext_msg (channel_info => $channel)	3054	$self->ext_msg (channel_info => $channel);
2866	if $self->can_msg;
2867	}	3055	}
2868		3056
2869	$channel = $channel->{id};	3057	$channel = $channel->{id};
2870	}	3058	}
2871		3059
2872	return unless @extra || length $msg;	3060	return unless @extra || length $msg;
2873		3061
2874	if ($self->can_msg) {
2875	# default colour, mask it out	3062	# default colour, mask it out
2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877	if $color & cf::NDI_DEF;	3064	if $color & cf::NDI_DEF;
2878		3065
2879	$self->send_packet ("msg " . $self->{json_coder}->encode (	3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2881	} else {	3069	);
2882	if ($color >= 0) {
2883	# replace some tags by gcfclient-compatible ones
2884	for ($msg) {
2885	1 while
2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2891	}
2892		3070
2893	$color &= cf::NDI_COLOR_MASK;	3071	$self->send_big_packet ($pkt);
2894
2895	utf8::encode $msg;
2896
2897	if (0 && $msg =~ /\[/) {
2898	# COMMAND/INFO
2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
2900	} else {
2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2902	$self->send_packet ("drawinfo $color $msg")
2903	}
2904	}
2905	}
2906	}	3072	}
2907		3073
2908	=item $client->ext_msg ($type, @msg)	3074	=item $client->ext_msg ($type, @msg)
2909		3075
2910	Sends an ext event to the client.	3076	Sends an ext event to the client.
…		…
2913		3079
2914	sub cf::client::ext_msg($$@) {	3080	sub cf::client::ext_msg($$@) {
2915	my ($self, $type, @msg) = @_;	3081	my ($self, $type, @msg) = @_;
2916		3082
2917	if ($self->extcmd == 2) {	3083	if ($self->extcmd == 2) {
2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2919	} elsif ($self->extcmd == 1) { # TODO: remove	3085	} elsif ($self->extcmd == 1) { # TODO: remove
2920	push @msg, msgtype => "event_$type";	3086	push @msg, msgtype => "event_$type";
2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2922	}	3088	}
2923	}	3089	}
2924		3090
2925	=item $client->ext_reply ($msgid, @msg)	3091	=item $client->ext_reply ($msgid, @msg)
2926		3092
…		…
2930		3096
2931	sub cf::client::ext_reply($$@) {	3097	sub cf::client::ext_reply($$@) {
2932	my ($self, $id, @msg) = @_;	3098	my ($self, $id, @msg) = @_;
2933		3099
2934	if ($self->extcmd == 2) {	3100	if ($self->extcmd == 2) {
2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2936	} elsif ($self->extcmd == 1) {	3102	} elsif ($self->extcmd == 1) {
2937	#TODO: version 1, remove	3103	#TODO: version 1, remove
2938	unshift @msg, msgtype => "reply", msgid => $id;	3104	unshift @msg, msgtype => "reply", msgid => $id;
2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2940	}	3106	}
2941	}	3107	}
2942		3108
2943	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2944		3110
…		…
3015		3181
3016	$ns->ext_reply ($reply, @reply)	3182	$ns->ext_reply ($reply, @reply)
3017	if $reply;	3183	if $reply;
3018		3184
3019	} else {	3185	} else {
3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3021	}	3187	}
3022		3188
3023	cf::override;	3189	cf::override;
3024	},	3190	},
3025	);	3191	);
…		…
3045		3211
3046	$coro	3212	$coro
3047	}	3213	}
3048		3214
3049	cf::client->attach (	3215	cf::client->attach (
3050	on_destroy => sub {	3216	on_client_destroy => sub {
3051	my ($ns) = @_;	3217	my ($ns) = @_;
3052		3218
3053	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3054	},	3220	},
3055	);	3221	);
…		…
3071	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
3072		3238
3073	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
3074		3240
3075	$safe->permit_only (Opcode::opset qw(	3241	$safe->permit_only (Opcode::opset qw(
3076	:base_core :base_mem :base_orig :base_math	3242	:base_core :base_mem :base_orig :base_math :base_loop
3077	grepstart grepwhile mapstart mapwhile	3243	grepstart grepwhile mapstart mapwhile
3078	sort time	3244	sort time
3079	));	3245	));
3080		3246
3081	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
…		…
3085	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
3086		3252
3087	cf::object	3253	cf::object
3088	contr pay_amount pay_player map x y force_find force_add destroy	3254	contr pay_amount pay_player map x y force_find force_add destroy
3089	insert remove name archname title slaying race decrease split	3255	insert remove name archname title slaying race decrease split
		3256	value
3090		3257
3091	cf::object::player	3258	cf::object::player
3092	player	3259	player
3093		3260
3094	cf::player	3261	cf::player
…		…
3099		3266
3100	=cut	3267	=cut
3101		3268
3102	for (	3269	for (
3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3104	insert remove inv name archname title slaying race	3271	insert remove inv nrof name archname title slaying race
3105	decrease split destroy)],	3272	decrease split destroy change_exp value msg lore send_msg)],
3106	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
3107	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
3108	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
3109	) {	3276	) {
3110	no strict 'refs';
3111	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
3112	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3113	for @funs;	3279	for @funs;
3114	}	3280	}
3115		3281
…		…
3130		3296
3131	my $qcode = $code;	3297	my $qcode = $code;
3132	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3133	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
3134		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
3135	local $_;	3304	local $_;
3136	local @safe::cf::_safe_eval_args = values %vars;
3137		3305
3138	my $eval =	3306	my $eval =
3139	"do {\n"	3307	"do {\n"
3140	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3141	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
3142	. $code	3310	. $code
3143	. "\n}"	3311	. "\n}"
3144	;	3312	;
3145		3313
		3314	if ($CFG{safe_eval}) {
3146	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
3147	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3148	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
3149		3323
3150	if ($@) {	3324	if ($@) {
3151	warn "$@";	3325	warn "$@",
3152	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
3153	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
3154	}	3328	}
3155		3329
3156	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
3157	}	3331	}
3158		3332
…		…
3172	=cut	3346	=cut
3173		3347
3174	sub register_script_function {	3348	sub register_script_function {
3175	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
3176		3350
3177	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
3178	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
3179	}	3353	}
3180		3354
3181	=back	3355	=back
3182		3356
3183	=cut	3357	=cut
3184		3358
3185	#############################################################################	3359	#############################################################################
3186	# the server's init and main functions	3360	# the server's init and main functions
		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
3187		3403
3188	sub load_facedata($) {	3404	sub load_facedata($) {
3189	my ($path) = @_;	3405	my ($path) = @_;
3190		3406
3191	# HACK to clear player env face cache, we need some signal framework	3407	# HACK to clear player env face cache, we need some signal framework
3192	# for this (global event?)	3408	# for this (global event?)
3193	%ext::player_env::MUSIC_FACE_CACHE = ();	3409	%ext::player_env::MUSIC_FACE_CACHE = ();
3194		3410
3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3196		3412
3197	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
3198		3414
3199	my $facedata;	3415	my $facedata;
3200	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
3201	or die "$path: $!";	3417	or die "$path: $!";
3202		3418
…		…
3204		3420
3205	$facedata->{version} == 2	3421	$facedata->{version} == 2
3206	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
3207		3423
3208	# patch in the exptable	3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3209	$facedata->{resource}{"res/exp_table"} = {	3426	$facedata->{resource}{"res/exp_table"} = {
3210	type => FT_RSRC,	3427	type => FT_RSRC,
3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
3212	};	3430	};
3213	cf::cede_to_tick;	3431	cf::cede_to_tick;
3214		3432
3215	{	3433	{
3216	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
…		…
3218	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3220		3438
3221	cf::face::set_visibility $idx, $info->{visibility};	3439	cf::face::set_visibility $idx, $info->{visibility};
3222	cf::face::set_magicmap $idx, $info->{magicmap};	3440	cf::face::set_magicmap $idx, $info->{magicmap};
3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3225		3443
3226	cf::cede_to_tick;	3444	cf::cede_to_tick;
3227	}	3445	}
3228		3446
3229	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
…		…
3234		3452
3235	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
3236	cf::face::set_smooth $idx, $smooth;	3454	cf::face::set_smooth $idx, $smooth;
3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3238	} else {	3456	} else {
3239	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
3240	}	3458	}
3241		3459
3242	cf::cede_to_tick;	3460	cf::cede_to_tick;
3243	}	3461	}
3244	}	3462	}
…		…
3253		3471
3254	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
3255	}	3473	}
3256		3474
3257	{	3475	{
3258	# TODO: for gcfclient pleasure, we should give resources
3259	# that gcfclient doesn't grok a >10000 face index.
3260	my $res = $facedata->{resource};	3476	my $res = $facedata->{resource};
3261		3477
3262	while (my ($name, $info) = each %$res) {	3478	while (my ($name, $info) = each %$res) {
3263	if (defined $info->{type}) {	3479	if (defined $info->{type}) {
3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3265	my $data;
3266		3481
3267	if ($info->{type} & 1) {	3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3268	# prepend meta info
3269
3270	my $meta = $enc->encode ({
3271	name => $name,
3272	%{ $info->{meta} || {} },
3273	});
3274
3275	$data = pack "(w/a*)*", $meta, $info->{data};
3276	} else {
3277	$data = $info->{data};
3278	}
3279
3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3281	cf::face::set_type $idx, $info->{type};	3483	cf::face::set_type $idx, $info->{type};
3282	} else {	3484	} else {
3283	$RESOURCE{$name} = $info;	3485	$RESOURCE{$name} = $info; # unused
3284	}	3486	}
3285		3487
3286	cf::cede_to_tick;	3488	cf::cede_to_tick;
3287	}	3489	}
3288	}	3490	}
3289		3491
3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3291		3493
3292	1	3494	1
3293	}	3495	}
3294
3295	cf::global->attach (on_resource_update => sub {
3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3298
3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3300	my $sound = $soundconf->{compat}[$_]
3301	or next;
3302
3303	my $face = cf::face::find "sound/$sound->[1]";
3304	cf::sound::set $sound->[0] => $face;
3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3306	}
3307
3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
3309	my $face = cf::face::find "sound/$v";
3310	cf::sound::set $k => $face;
3311	}
3312	}
3313	});
3314		3496
3315	register_exticmd fx_want => sub {	3497	register_exticmd fx_want => sub {
3316	my ($ns, $want) = @_;	3498	my ($ns, $want) = @_;
3317		3499
3318	while (my ($k, $v) = each %$want) {	3500	while (my ($k, $v) = each %$want) {
…		…
3357	sub reload_treasures {	3539	sub reload_treasures {
3358	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
3359	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
3360	}	3542	}
3361		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
3362	sub reload_resources {	3567	sub reload_resources {
3363	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
3364		3569
3365	reload_facedata;	3570	reload_facedata;
		3571	reload_sound;
3366	reload_archetypes;	3572	reload_archetypes;
3367	reload_regions;	3573	reload_regions;
3368	reload_treasures;	3574	reload_treasures;
3369		3575
3370	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
3371	}
3372
3373	sub init {
3374	my $guard = freeze_mainloop;
3375
3376	reload_resources;
3377	}	3577	}
3378		3578
3379	sub reload_config {	3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
3380	open my $fh, "<:utf8", "$CONFDIR/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
3381	or return;	3583	or return;
3382		3584
3383	local $/;	3585	local $/;
3384	*CFG = YAML::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
3385		3587
3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3387		3589
3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3390		3592
3391	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
3393	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3394	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
3395	};	3597	};
3396	warn $@ if $@;	3598	warn $@ if $@;
3397	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
3398	}	3630	}
3399		3631
3400	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
3401	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
3402	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3404	(async {	3645	(async {
3405	$Coro::current->{desc} = "IDLE BUG HANDLER";	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
3406	EV::loop EV::LOOP_ONESHOT;	3647	EV::loop EV::LOOP_ONESHOT;
3407	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
3408	};	3649	};
3409		3650
3410	{	3651	evthread_start IO::AIO::poll_fileno;
3411	my $guard = freeze_mainloop;	3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
3412	reload_config;	3665	reload_config;
3413	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
3414	load_extensions;	3676	load_extensions;
3415		3677
3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3678	utime time, time, $RUNTIMEFILE;
3417	evthread_start IO::AIO::poll_fileno;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
3418	}	3685	};
3419		3686
3420	EV::loop;	3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
3421	}	3696	}
3422		3697
3423	#############################################################################	3698	#############################################################################
3424	# initialisation and cleanup	3699	# initialisation and cleanup
3425		3700
3426	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
3427	BEGIN {	3702	BEGIN {
3428	our %SIGWATCHER = ();	3703	our %SIGWATCHER = ();
3429	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3431	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
3432	};	3707	};
3433	}	3708	}
3434	}	3709	}
3435		3710
3436	sub write_runtime_sync {	3711	sub write_runtime_sync {
3437	my $runtime = "$LOCALDIR/runtime";	3712	my $t0 = AE::time;
3438		3713
3439	# first touch the runtime file to show we are still running:	3714	# first touch the runtime file to show we are still running:
3440	# the fsync below can take a very very long time.	3715	# the fsync below can take a very very long time.
3441		3716
3442	IO::AIO::aio_utime $runtime, undef, undef;	3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3443		3718
3444	my $guard = cf::lock_acquire "write_runtime";	3719	my $guard = cf::lock_acquire "write_runtime";
3445		3720
3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3447	or return;	3722	or return;
3448		3723
3449	my $value = $cf::RUNTIME + 90 + 10;	3724	my $value = $cf::RUNTIME + 90 + 10;
3450	# 10 is the runtime save interval, for a monotonic clock	3725	# 10 is the runtime save interval, for a monotonic clock
3451	# 60 allows for the watchdog to kill the server.	3726	# 60 allows for the watchdog to kill the server.
…		…
3461	aio_utime $fh, undef, undef;	3736	aio_utime $fh, undef, undef;
3462		3737
3463	close $fh	3738	close $fh
3464	or return;	3739	or return;
3465		3740
3466	aio_rename "$runtime~", $runtime	3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3467	and return;	3742	and return;
3468		3743
3469	warn "runtime file written.\n";	3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3470		3745
3471	1	3746	1
3472	}	3747	}
3473		3748
3474	our $uuid_lock;	3749	our $uuid_lock;
…		…
3483	my $uuid = "$LOCALDIR/uuid";	3758	my $uuid = "$LOCALDIR/uuid";
3484		3759
3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3486	or return;	3761	or return;
3487		3762
3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
3489	$uuid_skip = 0;	3771	$uuid_skip = 0;
3490		3772
3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3492	and return;	3774	and return;
3493		3775
…		…
3499	or return;	3781	or return;
3500		3782
3501	aio_rename "$uuid~", $uuid	3783	aio_rename "$uuid~", $uuid
3502	and return;	3784	and return;
3503		3785
3504	warn "uuid file written ($value).\n";	3786	trace "uuid file written ($value).\n";
3505		3787
3506	1	3788	1
3507		3789
3508	}	3790	}
3509		3791
…		…
3515	}	3797	}
3516		3798
3517	sub emergency_save() {	3799	sub emergency_save() {
3518	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
3519		3801
3520	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
3521		3808
3522	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
3523	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
3524	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
3525	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
3526	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
3527	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
3528	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
3529	$pl->valid or next;	3818	$pl->valid or next;
3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3531	$pl->save;	3820	$pl->save;
3532	}	3821	}
3533	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
3534		3823
3535	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
3536	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
3537	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
3538	$map->valid or next;	3829	$map->valid or next;
3539	$map->save;	3830	$map->save;
3540	}	3831	}
3541	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
3542		3833
3543	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
3544	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
3545	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
3546		3839
3547	warn "begin write uuid\n";	3840	info "emergency_perl_save: begin write uuid\n";
3548	write_uuid_sync 1;	3841	write_uuid_sync 1;
3549	warn "end write uuid\n";	3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
3550	};	3862	};
3551		3863
3552	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
3553	}	3865	}
3554		3866
3555	sub post_cleanup {	3867	sub post_cleanup {
3556	my ($make_core) = @_;	3868	my ($make_core) = @_;
3557		3869
		3870	IO::AIO::flush;
		3871
3558	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
3559	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
3560	}	3902	}
3561		3903
3562	sub do_reload_perl() {	3904	sub do_reload_perl() {
3563	# can/must only be called in main	3905	# can/must only be called in main
3564	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
3565	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
3566	return;	3908	return;
3567	}	3909	}
3568		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
3569	warn "reloading...";	3916	info "reloading...";
3570		3917
3571	warn "entering sync_job";	3918	trace "entering sync_job";
3572		3919
3573	cf::sync_job {	3920	cf::sync_job {
3574	cf::write_runtime_sync; # external watchdog should not bark
3575	cf::emergency_save;	3921	cf::emergency_save;
3576	cf::write_runtime_sync; # external watchdog should not bark
3577		3922
3578	warn "syncing database to disk";
3579	BDB::db_env_txn_checkpoint $DB_ENV;
3580
3581	# if anything goes wrong in here, we should simply crash as we already saved
3582
3583	warn "flushing outstanding aio requests";
3584	for (;;) {
3585	BDB::flush;
3586	IO::AIO::flush;
3587	Coro::cede_notself;
3588	last unless IO::AIO::nreqs || BDB::nreqs;
3589	warn "iterate...";
3590	}
3591
3592	++$RELOAD;
3593
3594	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
3595	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
3596	%EXT_CORO = ();	3925	%EXT_CORO = ();
3597		3926
3598	warn "removing commands";	3927	trace "removing commands";
3599	%COMMAND = ();	3928	%COMMAND = ();
3600		3929
3601	warn "removing ext/exti commands";	3930	trace "removing ext/exti commands";
3602	%EXTCMD = ();	3931	%EXTCMD = ();
3603	%EXTICMD = ();	3932	%EXTICMD = ();
3604		3933
3605	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
3606	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
3607	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
3608		3937
3609	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
3610	eval {	3939	eval {
3611	$cb->($pkg);	3940	$cb->($pkg);
3612	1	3941	1
3613	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
3614	}	3947	}
3615		3948
3616	warn "... nuking $pkg";
3617	Symbol::delete_package $pkg;
3618	}
3619
3620	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
3621	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
3622	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3623		3952
3624	warn "... unloading $k";	3953	trace "... unloading $k";
3625	delete $INC{$k};	3954	delete $INC{$k};
3626		3955
3627	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
3628	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
3629		3958
3630	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3631	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3632	}	3964	}
3633		3965
3634	Symbol::delete_package $k;
3635	}
3636
3637	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
3638	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3640		3969
3641	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
3642	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3643	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3644		3973
3645	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3646	# and global variables created in xs	3975	# and global variables created in xs
3647	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3648		3977
3649	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
3650		3979
3651	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
3652	require cf;	3981	require cf;
3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3654		3983
3655	warn "loading config and database again";	3984	trace "loading config and database again";
3656	cf::reload_config;	3985	cf::reload_config;
3657		3986
3658	warn "loading extensions";	3987	trace "loading extensions";
3659	cf::load_extensions;	3988	cf::load_extensions;
3660		3989
		3990	if ($REATTACH_ON_RELOAD) {
3661	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
3662	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3663	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
3664	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3665	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
3666	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3667		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
3668	warn "leaving sync_job";	4002	trace "leaving sync_job";
3669		4003
3670	1	4004	1
3671	} or do {	4005	} or do {
3672	warn $@;	4006	error $@;
3673	cf::cleanup "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
		4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
3674	};	4012	}
3675		4013
3676	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
3677	};	4016	};
3678		4017
3679	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
3680		4019
3681	sub reload_perl() {	4020	sub reload_perl() {
3682	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
3683	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
3684		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3686	do_reload_perl;	4028	do_reload_perl;
3687	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
		4030	};
3688	};	4031	};
3689	}	4032	}
3690		4033
3691	register_command "reload" => sub {	4034	register_command "reload" => sub {
3692	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
…		…
3698	reload_perl;	4041	reload_perl;
3699	};	4042	};
3700	}	4043	}
3701	};	4044	};
3702		4045
3703	unshift @INC, $LIBDIR;	4046	#############################################################################
3704		4047
3705	my $bug_warning = 0;	4048	my $bug_warning = 0;
3706		4049
3707	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
3708	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
3709		4052
3710	sub wait_for_tick {	4053	sub wait_for_tick {
3711	return if tick_inhibit || $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3712		4055
3713	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
3714	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
3715	$signal->wait;	4058	$signal->wait;
3716	}	4059	}
3717		4060
3718	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
3719	return if tick_inhibit || $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3720		4063
3721	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
3722	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
3723	$signal->wait;	4066	$signal->wait;
3724	}	4067	}
…		…
3730	return;	4073	return;
3731	}	4074	}
3732		4075
3733	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
3734		4077
		4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4079
3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3737	Coro::async_pool {	4082	Coro::async_pool {
3738	$Coro::current->{desc} = "runtime saver";	4083	$Coro::current->{desc} = "runtime saver";
3739	write_runtime_sync	4084	write_runtime_sync
3740	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
3741	};	4086	};
3742	}	4087	}
3743		4088
3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3745	$sig->send;	4090	$sig->send;
…		…
3753		4098
3754	if (0) {	4099	if (0) {
3755	if ($NEXT_TICK) {	4100	if ($NEXT_TICK) {
3756	my $jitter = $TICK_START - $NEXT_TICK;	4101	my $jitter = $TICK_START - $NEXT_TICK;
3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3758	warn "jitter $JITTER\n";#d#	4103	debug "jitter $JITTER\n";#d#
3759	}	4104	}
3760	}	4105	}
3761	}	4106	}
3762		4107
3763	{	4108	{
3764	# configure BDB	4109	# configure BDB
3765		4110
3766	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
3767	BDB::max_poll_reqs $TICK * 0.1;	4112	BDB::max_poll_reqs $TICK * 0.1;
3768	$Coro::BDB::WATCHER->priority (1);	4113	$AnyEvent::BDB::WATCHER->priority (1);
3769		4114
3770	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
3771	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3773	| BDB::LOG_AUTOREMOVE, 1);	4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3776		4122
3777	cf::sync_job {	4123	cf::sync_job {
3778	eval {	4124	eval {
…		…
3804	{	4150	{
3805	# configure IO::AIO	4151	# configure IO::AIO
3806		4152
3807	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
3808	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
3809	$Coro::AIO::WATCHER->priority (1);	4155	undef $AnyEvent::AIO::WATCHER;
3810	}	4156	}
3811		4157
3812	my $_log_backtrace;	4158	my $_log_backtrace;
3813		4159
3814	sub _log_backtrace {	4160	sub _log_backtrace {
…		…
3817	$msg =~ s/\n//;	4163	$msg =~ s/\n//;
3818		4164
3819	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3820	if ($_log_backtrace < 2) {	4166	if ($_log_backtrace < 2) {
3821	++$_log_backtrace;	4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
3822	async {	4169	async {
3823	$Coro::current->{desc} = "abt $msg";	4170	$Coro::current->{desc} = "abt $msg";
3824		4171
3825	my @bt = fork_call {	4172	my @bt = fork_call {
3826	@addr = map { sprintf "%x", $_ } @addr;	4173	@addr = map { sprintf "%x", $_ } @addr;
…		…
3837	}	4184	}
3838		4185
3839	@funcs	4186	@funcs
3840	};	4187	};
3841		4188
3842	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3843	LOG llevInfo, "[ABT] $_\n" for @bt;	4191	LOG llevInfo, "[ABT] $_\n" for @bt;
3844	--$_log_backtrace;	4192	--$_log_backtrace;
3845	};	4193	};
3846	} else {	4194	} else {
3847	LOG llevInfo, "[ABT] $msg\n";	4195	LOG llevInfo, "[ABT] $msg\n";
3848	LOG llevInfo, "[ABT] [suppressed]\n";	4196	LOG llevInfo, "[ABT] [suppressed]\n";
3849	}	4197	}
3850	}	4198	}
3851		4199
3852	# load additional modules	4200	# load additional modules
3853	use cf::pod;	4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
3854		4203
3855	END { cf::emergency_save }	4204	END { cf::emergency_save }
3856		4205
3857	1	4206	1
3858		4207

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