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Revision 1.424 by root, Sun Apr 20 05:24:55 2008 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1359		1457
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1459	if exists $v->{meta}{mandatory};
1364		1460
1365	warn $msg;	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1366	}	1470	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1471	}
1372		1472
1373	skip:	1473	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1376	}	1481	}
1377	};	1482	};
1378	}	1483	}
1379		1484
1380	#############################################################################	1485	#############################################################################
1381		1486
1382	=back	1487	=back
1383		1488
1384	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1385		1490
1386	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1387		1492
1388	=cut	1493	=cut
1389		1494
1390	package cf::player;	1495	package cf::player;
1391		1496
…		…
1434		1539
1435	sub exists($) {	1540	sub exists($) {
1436	my ($login) = @_;	1541	my ($login) = @_;
1437		1542
1438	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1440	}	1545	}
1441		1546
1442	sub find($) {	1547	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1549	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1561	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1562	or return;
1458		1563
1459	my $pl = cf::player::load_pl $f	1564	my $pl = cf::player::load_pl $f
1460	or return;	1565	or return;
		1566
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1567	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1568	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1464	}	1570	}
1465	}	1571	}
1466	}	1572	}
1467		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
		1586
1468	sub save($) {	1587	sub save($) {
1469	my ($pl) = @_;	1588	my ($pl) = @_;
1470		1589
1471	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
1472		1591
…		…
1477		1596
1478	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1480		1599
1481	cf::get_slot 0.01;	1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1482		1604
1483	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1606	cf::cede_to_tick;
1485	}	1607	}
1486		1608
…		…
1518	my ($pl) = @_;	1640	my ($pl) = @_;
1519		1641
1520	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1521		1643
1522	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1646
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1529		1652
1530	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1693
1571	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
1572	my $path = path $login;	1695	my $path = path $login;
1573		1696
1574	# a .pst is a dead give-away for a valid player	1697	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1703	}
1580		1704
…		…
1584		1708
1585	\@logins	1709	\@logins
1586	}	1710	}
1587		1711
1588	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1589		1715
1590	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1591	player. May block.	1717	player. May block.
1592		1718
1593	=cut	1719	=cut
…		…
1611	}	1737	}
1612		1738
1613	\@paths	1739	\@paths
1614	}	1740	}
1615		1741
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1743
1618	Expand crossfire pod fragments into protocol xml.	1744	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		1745
1709	=item $player->ext_reply ($msgid, @msg)	1746	=item $player->ext_reply ($msgid, @msg)
1710		1747
1711	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1712		1749
…		…
1744		1781
1745	=cut	1782	=cut
1746		1783
1747	sub find_by_path($) {	1784	sub find_by_path($) {
1748	my ($path) = @_;	1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
1749		1788
1750	my ($match, $specificity);	1789	my ($match, $specificity);
1751		1790
1752	for my $region (list) {	1791	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1792	if ($region->{match} && $path =~ $region->{match}) {
…		…
1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786		1825
1787	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	1827	$self->_create_random_map (
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1810		1849
1811	sub register {	1850	sub register {
1812	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	1852	my $pkg = caller;
1814		1853
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		1855
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	1857	}
1820		1858
1821	# also paths starting with '/'	1859	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		1861
1824	sub thawer_merge {	1862	sub thawer_merge {
1825	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1826		1864
1827	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1925		1963
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1928	}	1966	}
1929		1967
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 $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	1968	sub decay_objects {
1940	my ($self) = @_;	1969	my ($self) = @_;
1941		1970
1942	return if $self->{deny_reset};	1971	return if $self->{deny_reset};
1943		1972
…		…
2025	sub find {	2054	sub find {
2026	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
2027		2056
2028	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
2029		2058
2030	cf::lock_wait "map_data:$path";#d#remove	2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2061
2033	$cf::MAP{$path} || do {	2062	$cf::MAP{$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	2063	my $map = new_from_path cf::map $path
2038	or return;	2064	or return;
2039		2065
2040	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
2041		2067
…		…
2043	or return;	2069	or return;
2044		2070
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
2048	undef $guard1;	2075	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2076	$map->reset;
2051	return find $path;	2077	return find $path;
2052	}	2078	}
2053		2079
2054	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
2055	}	2081	}
2056	}	2082	}
2057		2083
2058	sub pre_load { }	2084	sub pre_load { }
2059	sub post_load { }	2085	#sub post_load { } # XS
2060		2086
2061	sub load {	2087	sub load {
2062	my ($self) = @_;	2088	my ($self) = @_;
2063		2089
2064	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2108	$f->skip_block;
2083	$self->_load_objects ($f)	2109	$self->_load_objects ($f)
2084	or return;	2110	or return;
2085		2111
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
2087	if delete $self->{load_original};	2113	if delete $self->{load_original};
2088		2114
2089	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2116	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2117	unless (aio_stat $uniq) {
…		…
2109	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2136	$self->decay_objects;
2111	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
2112	$self->update_buttons;	2138	$self->update_buttons;
2113	cf::cede_to_tick;	2139	cf::cede_to_tick;
2114	$self->set_darkness_map;
2115	cf::cede_to_tick;
2116	$self->activate;	2140	$self->activate;
2117	}	2141	}
2118		2142
2119	$self->{last_save} = $cf::RUNTIME;	2143	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2144	$self->last_access ($cf::RUNTIME);
…		…
2123	}	2147	}
2124		2148
2125	$self->post_load;	2149	$self->post_load;
2126	}	2150	}
2127		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
2128	sub customise_for {	2155	sub customise_for {
2129	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
2130		2157
2131	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2159	if $self->per_player;
…		…
2148	or next;	2175	or next;
2149	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
2150	or next;	2177	or next;
2151	$neigh->load;	2178	$neigh->load;
2152		2179
		2180	# now find the diagonal neighbours
2153	push @neigh,	2181	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}	2184	}
2157		2185
…		…
2164	}	2192	}
2165		2193
2166	sub find_sync {	2194	sub find_sync {
2167	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
2168		2196
2169	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
2170	}	2201	}
2171		2202
2172	sub do_load_sync {	2203	sub do_load_sync {
2173	my ($map) = @_;	2204	my ($map) = @_;
2174		2205
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2207	if $Coro::current == $Coro::main;
2177		2208
2178	cf::sync_job { $map->load };	2209	$map->load;
2179	}	2210	}
2180		2211
2181	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
2183		2214
…		…
2209	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
2210		2241
2211	()	2242	()
2212	}	2243	}
2213		2244
		2245	# common code, used by both ->save and ->swapout
2214	sub save {	2246	sub _save {
2215	my ($self) = @_;	2247	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2248
2219	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
2220		2250
2221	return unless $self->dirty;	2251	return unless $self->dirty;
2222		2252
…		…
2242	} else {	2272	} else {
2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2244	}	2274	}
2245	}	2275	}
2246		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
2247	sub swap_out {	2285	sub swap_out {
2248	my ($self) = @_;	2286	my ($self) = @_;
2249		2287
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2289
2255	return if $self->players;
2256	return if $self->in_memory != cf::MAP_ACTIVE;	2290	return if $self->in_memory != cf::MAP_ACTIVE;
2257	return if $self->{deny_save};	2291	return if $self->{deny_save};
		2292	return if $self->players;
2258		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
2259	$self->in_memory (cf::MAP_SWAPPED);	2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
		2303	$self->clear;
		2304	}
		2305
		2306	sub reset_at {
		2307	my ($self) = @_;
		2308
		2309	# TODO: safety, remove and allow resettable per-player maps
		2310	return 1e99 if $self->{deny_reset};
		2311
		2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2314
		2315	$time + $to
		2316	}
		2317
		2318	sub should_reset {
		2319	my ($self) = @_;
		2320
		2321	$self->reset_at <= $cf::RUNTIME
		2322	}
		2323
		2324	sub reset {
		2325	my ($self) = @_;
		2326
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
		2329	return if $self->players;
		2330
		2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
		2342
		2343	delete $cf::MAP{$self->path};
2260		2344
2261	$self->deactivate;	2345	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2346	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2347	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($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		2348
2309	$self->unlink_save;	2349	$self->unlink_save;
2310	$self->destroy;	2350	$self->destroy;
2311	}	2351	}
2312		2352
…		…
2320		2360
2321	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2322		2362
2323	$self->unlink_save;	2363	$self->unlink_save;
2324		2364
2325	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2370
…		…
2387	: normalise $_	2427	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2429	]
2390	}	2430	}
2391		2431
		2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
		2463
2392	=back	2464	=back
2393		2465
2394	=head3 cf::object	2466	=head3 cf::object
2395		2467
2396	=cut	2468	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2459		2531
2460	=cut	2532	=cut
2461		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
		2547
2462	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2549	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2552	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2565
2480	} else {	2566	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2569	}
2484	}	2570	}
2485	}	2571	}
2486		2572
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2598
2513	=item $player_object->enter_link	2599	=item $player_object->enter_link
2514		2600
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2602
2517	The player should be reasonably safe there for short amounts of time. You	2603	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.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2519		2607
2520	Will never block.	2608	Will never block.
2521		2609
2522	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2523		2611
…		…
2543	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2632	my ($self) = @_;
2545		2633
2546	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2547		2635
		2636	++$self->{_link_recursion};
		2637
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2639
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2552		2642
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2644	}
2555		2645
2556	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2558		2648
…		…
2575	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2577		2667
2578	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2581		2671
2582	$map->load;	2672	$map->load;
2583	$map->load_neighbours;	2673	$map->load_neighbours;
2584		2674
2585	return unless $self->contr->active;	2675	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2676
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2590	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2591		2684
		2685	}
		2686
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2593		2688
2594	Moves the player to the given map-path and coordinates by first freezing	2689	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	2690	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	2691	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	2692	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2693	be called at the end of this process.
2599		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
2600	=cut	2698	=cut
2601		2699
2602	our $GOTOGEN;	2700	our $GOTOGEN;
2603		2701
2604	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2605	my ($self, $path, $x, $y, $check, $done) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2606		2710
2607	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2713
2610	$self->enter_link;	2714	$self->enter_link;
…		…
2634	my $map = eval {	2738	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2739	my $map = defined $path ? cf::map::find $path : undef;
2636		2740
2637	if ($map) {	2741	if ($map) {
2638	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2744	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2746	}
2643		2747
2644	$map	2748	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2655	}	2759	}
2656		2760
2657	$done->() if $done;	2761	$done->($self) if $done;
2658	})->prio (1);	2762	})->prio (1);
2659	}	2763	}
2660		2764
2661	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2662		2766
…		…
2682	}	2786	}
2683		2787
2684	sub prepare_random_map {	2788	sub prepare_random_map {
2685	my ($exit) = @_;	2789	my ($exit) = @_;
2686		2790
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2793	# that depends on the exit object
2692		2794
2693	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2797	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2700	}	2804	}
2701		2805
2702	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2703		2807
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2814	undef $fh;
2711	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2712		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2715	}	2823	}
2716	}	2824	}
2717		2825
2718	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2720		2828
2721	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2722		2830
2723	if ($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;	2831	$self->enter_link;
2735		2832
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 {	2833	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2834	$Coro::current->{desc} = "enter_exit";
2742		2835
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2745	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2746		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2747	1;	2857	1
2748	}) {	2858	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2863
2754	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	2865	$self->leave_link;
2756	}	2866	}
2757	})->prio (1);	2867	})->prio (1);
2758	}	2868	}
2759		2869
…		…
2771	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
2773		2883
2774	utf8::encode $text;	2884	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2886	}
		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
2776	}	2911	}
2777		2912
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		2914
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		2919
2785	=cut	2920	=cut
2786		2921
2787	# non-persistent channels (usually the info channel)	2922	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
2789	"c/identify" => {	2930	"c/identify" => {
2790	id => "infobox",	2931	id => "infobox",
2791	title => "Identify",	2932	title => "Identify",
2792	reply => undef,	2933	reply => undef,
2793	tooltip => "Items recently identified",	2934	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	2936	"c/examine" => {
2796	id => "infobox",	2937	id => "infobox",
2797	title => "Examine",	2938	title => "Examine",
2798	reply => undef,	2939	reply => undef,
2799	tooltip => "Signs and other items you examined",	2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
2800	},	2947	},
2801	"c/book" => {	2948	"c/book" => {
2802	id => "infobox",	2949	id => "infobox",
2803	title => "Book",	2950	title => "Book",
2804	reply => undef,	2951	reply => undef,
…		…
2820	id => "infobox",	2967	id => "infobox",
2821	title => "Body Parts",	2968	title => "Body Parts",
2822	reply => undef,	2969	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2970	tooltip => "Shows which body parts you posess and are available",
2824	},	2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
2825	"c/uptime" => {	3008	"c/uptime" => {
2826	id => "infobox",	3009	id => "infobox",
2827	title => "Uptime",	3010	title => "Uptime",
2828	reply => undef,	3011	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3012	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	3015	id => "infobox",
2833	title => "Map Info",	3016	title => "Map Info",
2834	reply => undef,	3017	reply => undef,
2835	tooltip => "Information related to the maps",	3018	tooltip => "Information related to the maps",
2836	},	3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
2837	);	3034	);
2838		3035
2839	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2841		3038
2842	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2843		3041
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		3043
2846	# check predefined channels, for the benefit of C	3044	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	3045	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	3046	$channel = $CHANNEL{$channel};
2849		3047
2850	$self->ext_msg (channel_info => $channel)	3048	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	3049	$channel = $channel->{id};
2854		3050
2855	} elsif (ref $channel) {	3051	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	3052	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	3053	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	3054	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	3055	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	3056	}
2862		3057
2863	$channel = $channel->{id};	3058	$channel = $channel->{id};
2864	}	3059	}
2865		3060
2866	return unless @extra || length $msg;	3061	return unless @extra || length $msg;
2867		3062
2868	if ($self->can_msg) {
2869	# default colour, mask it out	3063	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	3065	if $color & cf::NDI_DEF;
2872		3066
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	3070	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		3071
2887	$color &= cf::NDI_COLOR_MASK;	3072	$self->send_big_packet ($pkt);
2888
2889	utf8::encode $msg;
2890
2891	if (0 && $msg =~ /\[/) {
2892	# COMMAND/INFO
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}
2900	}	3073	}
2901		3074
2902	=item $client->ext_msg ($type, @msg)	3075	=item $client->ext_msg ($type, @msg)
2903		3076
2904	Sends an ext event to the client.	3077	Sends an ext event to the client.
…		…
2907		3080
2908	sub cf::client::ext_msg($$@) {	3081	sub cf::client::ext_msg($$@) {
2909	my ($self, $type, @msg) = @_;	3082	my ($self, $type, @msg) = @_;
2910		3083
2911	if ($self->extcmd == 2) {	3084	if ($self->extcmd == 2) {
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913	} elsif ($self->extcmd == 1) { # TODO: remove	3086	} elsif ($self->extcmd == 1) { # TODO: remove
2914	push @msg, msgtype => "event_$type";	3087	push @msg, msgtype => "event_$type";
2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916	}	3089	}
2917	}	3090	}
2918		3091
2919	=item $client->ext_reply ($msgid, @msg)	3092	=item $client->ext_reply ($msgid, @msg)
2920		3093
…		…
2924		3097
2925	sub cf::client::ext_reply($$@) {	3098	sub cf::client::ext_reply($$@) {
2926	my ($self, $id, @msg) = @_;	3099	my ($self, $id, @msg) = @_;
2927		3100
2928	if ($self->extcmd == 2) {	3101	if ($self->extcmd == 2) {
2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930	} elsif ($self->extcmd == 1) {	3103	} elsif ($self->extcmd == 1) {
2931	#TODO: version 1, remove	3104	#TODO: version 1, remove
2932	unshift @msg, msgtype => "reply", msgid => $id;	3105	unshift @msg, msgtype => "reply", msgid => $id;
2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934	}	3107	}
2935	}	3108	}
2936		3109
2937	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2938		3111
…		…
3009		3182
3010	$ns->ext_reply ($reply, @reply)	3183	$ns->ext_reply ($reply, @reply)
3011	if $reply;	3184	if $reply;
3012		3185
3013	} else {	3186	} else {
3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3015	}	3188	}
3016		3189
3017	cf::override;	3190	cf::override;
3018	},	3191	},
3019	);	3192	);
…		…
3039		3212
3040	$coro	3213	$coro
3041	}	3214	}
3042		3215
3043	cf::client->attach (	3216	cf::client->attach (
3044	on_destroy => sub {	3217	on_client_destroy => sub {
3045	my ($ns) = @_;	3218	my ($ns) = @_;
3046		3219
3047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3048	},	3221	},
3049	);	3222	);
…		…
3065	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
3066		3239
3067	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
3068		3241
3069	$safe->permit_only (Opcode::opset qw(	3242	$safe->permit_only (Opcode::opset qw(
3070	:base_core :base_mem :base_orig :base_math	3243	:base_core :base_mem :base_orig :base_math :base_loop
3071	grepstart grepwhile mapstart mapwhile	3244	grepstart grepwhile mapstart mapwhile
3072	sort time	3245	sort time
3073	));	3246	));
3074		3247
3075	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
…		…
3078		3251
3079	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
3080		3253
3081	cf::object	3254	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3255	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3256	insert remove name archname title slaying race decrease split
		3257	value
3084		3258
3085	cf::object::player	3259	cf::object::player
3086	player	3260	player
3087		3261
3088	cf::player	3262	cf::player
…		…
3093		3267
3094	=cut	3268	=cut
3095		3269
3096	for (	3270	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3272	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3273	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
3103	) {	3277	) {
3104	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3107	for @funs;	3280	for @funs;
3108	}	3281	}
3109		3282
…		…
3124		3297
3125	my $qcode = $code;	3298	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
3128		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
3129	local $_;	3305	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;
3131		3306
3132	my $eval =	3307	my $eval =
3133	"do {\n"	3308	"do {\n"
3134	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3135	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
3136	. $code	3311	. $code
3137	. "\n}"	3312	. "\n}"
3138	;	3313	;
3139		3314
		3315	if ($CFG{safe_eval}) {
3140	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
3141	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3142	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
3143		3324
3144	if ($@) {	3325	if ($@) {
3145	warn "$@";	3326	warn "$@",
3146	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
3147	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
3148	}	3329	}
3149		3330
3150	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
3151	}	3332	}
3152		3333
…		…
3166	=cut	3347	=cut
3167		3348
3168	sub register_script_function {	3349	sub register_script_function {
3169	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
3170		3351
3171	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
3172	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
3173	}	3354	}
3174		3355
3175	=back	3356	=back
3176		3357
3177	=cut	3358	=cut
3178		3359
3179	#############################################################################	3360	#############################################################################
3180	# the server's init and main functions	3361	# the server's init and main functions
		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
3181		3405
3182	sub load_facedata($) {	3406	sub load_facedata($) {
3183	my ($path) = @_;	3407	my ($path) = @_;
3184		3408
3185	# HACK to clear player env face cache, we need some signal framework	3409	# HACK to clear player env face cache, we need some signal framework
3186	# for this (global event?)	3410	# for this (global event?)
3187	%ext::player_env::MUSIC_FACE_CACHE = ();	3411	%ext::player_env::MUSIC_FACE_CACHE = ();
3188		3412
3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3190		3414
3191	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
3192		3416
3193	my $facedata;	3417	my $facedata;
3194	0 < aio_load $path, $facedata	3418	0 < aio_load $path, $facedata
3195	or die "$path: $!";	3419	or die "$path: $!";
3196		3420
…		…
3198		3422
3199	$facedata->{version} == 2	3423	$facedata->{version} == 2
3200	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
3201		3425
3202	# patch in the exptable	3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3203	$facedata->{resource}{"res/exp_table"} = {	3428	$facedata->{resource}{"res/exp_table"} = {
3204	type => FT_RSRC,	3429	type => FT_RSRC,
3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
3206	};	3432	};
3207	cf::cede_to_tick;	3433	cf::cede_to_tick;
3208		3434
3209	{	3435	{
3210	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
…		…
3212	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214		3440
3215	cf::face::set_visibility $idx, $info->{visibility};	3441	cf::face::set_visibility $idx, $info->{visibility};
3216	cf::face::set_magicmap $idx, $info->{magicmap};	3442	cf::face::set_magicmap $idx, $info->{magicmap};
3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3219		3445
3220	cf::cede_to_tick;	3446	cf::cede_to_tick;
3221	}	3447	}
3222		3448
3223	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
…		…
3228		3454
3229	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
3230	cf::face::set_smooth $idx, $smooth;	3456	cf::face::set_smooth $idx, $smooth;
3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3232	} else {	3458	} else {
3233	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
3234	}	3460	}
3235		3461
3236	cf::cede_to_tick;	3462	cf::cede_to_tick;
3237	}	3463	}
3238	}	3464	}
…		…
3247		3473
3248	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
3249	}	3475	}
3250		3476
3251	{	3477	{
3252	# TODO: for gcfclient pleasure, we should give resources
3253	# that gcfclient doesn't grok a >10000 face index.
3254	my $res = $facedata->{resource};	3478	my $res = $facedata->{resource};
3255		3479
3256	while (my ($name, $info) = each %$res) {	3480	while (my ($name, $info) = each %$res) {
3257	if (defined $info->{type}) {	3481	if (defined $info->{type}) {
3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259	my $data;
3260		3483
3261	if ($info->{type} & 1) {	3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3262	# prepend meta info
3263
3264	my $meta = $enc->encode ({
3265	name => $name,
3266	%{ $info->{meta} || {} },
3267	});
3268
3269	$data = pack "(w/a*)*", $meta, $info->{data};
3270	} else {
3271	$data = $info->{data};
3272	}
3273
3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275	cf::face::set_type $idx, $info->{type};	3485	cf::face::set_type $idx, $info->{type};
3276	} else {	3486	} else {
3277	$RESOURCE{$name} = $info;	3487	$RESOURCE{$name} = $info; # unused
3278	}	3488	}
3279		3489
3280	cf::cede_to_tick;	3490	cf::cede_to_tick;
3281	}	3491	}
3282	}	3492	}
3283		3493
3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285		3495
3286	1	3496	1
3287	}	3497	}
3288
3289	cf::global->attach (on_resource_update => sub {
3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294	my $sound = $soundconf->{compat}[$_]
3295	or next;
3296
3297	my $face = cf::face::find "sound/$sound->[1]";
3298	cf::sound::set $sound->[0] => $face;
3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300	}
3301
3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
3303	my $face = cf::face::find "sound/$v";
3304	cf::sound::set $k => $face;
3305	}
3306	}
3307	});
3308		3498
3309	register_exticmd fx_want => sub {	3499	register_exticmd fx_want => sub {
3310	my ($ns, $want) = @_;	3500	my ($ns, $want) = @_;
3311		3501
3312	while (my ($k, $v) = each %$want) {	3502	while (my ($k, $v) = each %$want) {
…		…
3351	sub reload_treasures {	3541	sub reload_treasures {
3352	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
3353	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
3354	}	3544	}
3355		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
3356	sub reload_resources {	3569	sub reload_resources {
3357	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
3358		3571
3359	reload_facedata;	3572	reload_facedata;
		3573	reload_sound;
3360	reload_archetypes;	3574	reload_archetypes;
3361	reload_regions;	3575	reload_regions;
3362	reload_treasures;	3576	reload_treasures;
3363		3577
3364	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
3365	}
3366
3367	sub init {
3368	my $guard = freeze_mainloop;
3369
3370	reload_resources;
3371	}	3579	}
3372		3580
3373	sub reload_config {	3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
3374	open my $fh, "<:utf8", "$CONFDIR/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
3375	or return;	3585	or return;
3376		3586
3377	local $/;	3587	local $/;
3378	*CFG = YAML::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
3379		3589
3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3381		3591
3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3384		3594
3385	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
3387	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3388	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
3389	};	3599	};
3390	warn $@ if $@;	3600	warn $@ if $@;
3391	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
3392	}	3632	}
3393		3633
3394	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
3395	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
3396	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3398	(async {	3647	(async {
3399	$Coro::current->{desc} = "IDLE BUG HANDLER";	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
3400	EV::loop EV::LOOP_ONESHOT;	3649	EV::loop EV::LOOP_ONESHOT;
3401	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
3402	};	3651	};
3403		3652
3404	{	3653	evthread_start IO::AIO::poll_fileno;
3405	my $guard = freeze_mainloop;	3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
3406	reload_config;	3667	reload_config;
3407	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
3408	load_extensions;	3678	load_extensions;
3409		3679
3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3680	utime time, time, $RUNTIMEFILE;
3411	evthread_start IO::AIO::poll_fileno;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
3412	}	3687	};
3413		3688
3414	EV::loop;	3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
3415	}	3698	}
3416		3699
3417	#############################################################################	3700	#############################################################################
3418	# initialisation and cleanup	3701	# initialisation and cleanup
3419		3702
3420	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
3421	BEGIN {	3704	BEGIN {
3422	our %SIGWATCHER = ();	3705	our %SIGWATCHER = ();
3423	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3425	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
3426	};	3709	};
3427	}	3710	}
3428	}	3711	}
3429		3712
3430	sub write_runtime_sync {	3713	sub write_runtime_sync {
3431	my $runtime = "$LOCALDIR/runtime";	3714	my $t0 = AE::time;
3432		3715
3433	# first touch the runtime file to show we are still running:	3716	# first touch the runtime file to show we are still running:
3434	# the fsync below can take a very very long time.	3717	# the fsync below can take a very very long time.
3435		3718
3436	IO::AIO::aio_utime $runtime, undef, undef;	3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3437		3720
3438	my $guard = cf::lock_acquire "write_runtime";	3721	my $guard = cf::lock_acquire "write_runtime";
3439		3722
3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3441	or return;	3724	or return;
3442		3725
3443	my $value = $cf::RUNTIME + 90 + 10;	3726	my $value = $cf::RUNTIME + 90 + 10;
3444	# 10 is the runtime save interval, for a monotonic clock	3727	# 10 is the runtime save interval, for a monotonic clock
3445	# 60 allows for the watchdog to kill the server.	3728	# 60 allows for the watchdog to kill the server.
…		…
3455	aio_utime $fh, undef, undef;	3738	aio_utime $fh, undef, undef;
3456		3739
3457	close $fh	3740	close $fh
3458	or return;	3741	or return;
3459		3742
3460	aio_rename "$runtime~", $runtime	3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3461	and return;	3744	and return;
3462		3745
3463	warn "runtime file written.\n";	3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3464		3747
3465	1	3748	1
3466	}	3749	}
3467		3750
3468	our $uuid_lock;	3751	our $uuid_lock;
…		…
3477	my $uuid = "$LOCALDIR/uuid";	3760	my $uuid = "$LOCALDIR/uuid";
3478		3761
3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3480	or return;	3763	or return;
3481		3764
3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
3483	$uuid_skip = 0;	3773	$uuid_skip = 0;
3484		3774
3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3486	and return;	3776	and return;
3487		3777
…		…
3493	or return;	3783	or return;
3494		3784
3495	aio_rename "$uuid~", $uuid	3785	aio_rename "$uuid~", $uuid
3496	and return;	3786	and return;
3497		3787
3498	warn "uuid file written ($value).\n";	3788	trace "uuid file written ($value).\n";
3499		3789
3500	1	3790	1
3501		3791
3502	}	3792	}
3503		3793
…		…
3509	}	3799	}
3510		3800
3511	sub emergency_save() {	3801	sub emergency_save() {
3512	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
3513		3803
3514	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
3515		3810
3516	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
3517	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
3518	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
3519	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
3520	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
3521	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
3522	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
3523	$pl->valid or next;	3820	$pl->valid or next;
3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3525	$pl->save;	3822	$pl->save;
3526	}	3823	}
3527	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
3528		3825
3529	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
3530	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
3531	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
3532	$map->valid or next;	3831	$map->valid or next;
3533	$map->save;	3832	$map->save;
3534	}	3833	}
3535	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
3536		3835
3537	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
3538	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
3539	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
3540		3841
3541	warn "begin write uuid\n";	3842	info "emergency_perl_save: begin write uuid\n";
3542	write_uuid_sync 1;	3843	write_uuid_sync 1;
3543	warn "end write uuid\n";	3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
3544	};	3864	};
3545		3865
3546	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
3547	}	3867	}
3548		3868
3549	sub post_cleanup {	3869	sub post_cleanup {
3550	my ($make_core) = @_;	3870	my ($make_core) = @_;
3551		3871
		3872	IO::AIO::flush;
		3873
3552	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
3553	if $make_core;	3875	if $make_core;
		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
3554	}	3904	}
3555		3905
3556	sub do_reload_perl() {	3906	sub do_reload_perl() {
3557	# can/must only be called in main	3907	# can/must only be called in main
3558	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
3559	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
3560	return;	3910	return;
3561	}	3911	}
3562		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
3563	warn "reloading...";	3918	info "reloading...";
3564		3919
3565	warn "entering sync_job";	3920	trace "entering sync_job";
3566		3921
3567	cf::sync_job {	3922	cf::sync_job {
3568	cf::write_runtime_sync; # external watchdog should not bark
3569	cf::emergency_save;	3923	cf::emergency_save;
3570	cf::write_runtime_sync; # external watchdog should not bark
3571		3924
3572	warn "syncing database to disk";
3573	BDB::db_env_txn_checkpoint $DB_ENV;
3574
3575	# if anything goes wrong in here, we should simply crash as we already saved
3576
3577	warn "flushing outstanding aio requests";
3578	for (;;) {
3579	BDB::flush;
3580	IO::AIO::flush;
3581	Coro::cede_notself;
3582	last unless IO::AIO::nreqs || BDB::nreqs;
3583	warn "iterate...";
3584	}
3585
3586	++$RELOAD;
3587
3588	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
3589	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
3590	%EXT_CORO = ();	3927	%EXT_CORO = ();
3591		3928
3592	warn "removing commands";	3929	trace "removing commands";
3593	%COMMAND = ();	3930	%COMMAND = ();
3594		3931
3595	warn "removing ext/exti commands";	3932	trace "removing ext/exti commands";
3596	%EXTCMD = ();	3933	%EXTCMD = ();
3597	%EXTICMD = ();	3934	%EXTICMD = ();
3598		3935
3599	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
3600	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
3601	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
3602		3939
3603	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
3604	eval {	3941	eval {
3605	$cb->($pkg);	3942	$cb->($pkg);
3606	1	3943	1
3607	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
3608	}	3949	}
3609		3950
3610	warn "... nuking $pkg";
3611	Symbol::delete_package $pkg;
3612	}
3613
3614	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
3615	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
3616	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3617		3954
3618	warn "... unloading $k";	3955	trace "... unloading $k";
3619	delete $INC{$k};	3956	delete $INC{$k};
3620		3957
3621	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
3622	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
3623		3960
3624	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
3625	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
3626	}	3966	}
3627		3967
3628	Symbol::delete_package $k;
3629	}
3630
3631	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
3632	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
3633	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3634		3971
3635	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
3636	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
3637	delete $INC{"cf/pod.pm"};	3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3638		3975
3639	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
3640	# and global variables created in xs	3977	# and global variables created in xs
3641	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
3642		3979
3643	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
3644		3981
3645	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
3646	require cf;	3983	require cf;
3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
3648		3985
3649	warn "loading config and database again";	3986	trace "loading config and database again";
3650	cf::reload_config;	3987	cf::reload_config;
3651		3988
3652	warn "loading extensions";	3989	trace "loading extensions";
3653	cf::load_extensions;	3990	cf::load_extensions;
3654		3991
		3992	if ($REATTACH_ON_RELOAD) {
3655	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
3656	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
3657	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
3658	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
3659	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
3660	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
3661		4000
		4001	trace "running post_init jobs";
		4002	(pop @POST_INIT)->(1) while @POST_INIT;
		4003
3662	warn "leaving sync_job";	4004	trace "leaving sync_job";
3663		4005
3664	1	4006	1
3665	} or do {	4007	} or do {
3666	warn $@;	4008	error $@;
3667	cf::cleanup "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
		4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
3668	};	4014	}
3669		4015
3670	warn "reloaded";	4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
3671	};	4018	};
3672		4019
3673	our $RELOAD_WATCHER; # used only during reload	4020	our $RELOAD_WATCHER; # used only during reload
3674		4021
3675	sub reload_perl() {	4022	sub reload_perl() {
3676	# doing reload synchronously and two reloads happen back-to-back,	4023	# doing reload synchronously and two reloads happen back-to-back,
3677	# coro crashes during coro_state_free->destroy here.	4024	# coro crashes during coro_state_free->destroy here.
3678		4025
		4026	$RELOAD_WATCHER ||= cf::async {
		4027	Coro::AIO::aio_wait cache_extensions;
		4028
3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3680	do_reload_perl;	4030	do_reload_perl;
3681	undef $RELOAD_WATCHER;	4031	undef $RELOAD_WATCHER;
		4032	};
3682	};	4033	};
3683	}	4034	}
3684		4035
3685	register_command "reload" => sub {	4036	register_command "reload" => sub {
3686	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
…		…
3692	reload_perl;	4043	reload_perl;
3693	};	4044	};
3694	}	4045	}
3695	};	4046	};
3696		4047
3697	unshift @INC, $LIBDIR;	4048	#############################################################################
3698		4049
3699	my $bug_warning = 0;	4050	my $bug_warning = 0;
3700		4051
3701	our @WAIT_FOR_TICK;	4052	our @WAIT_FOR_TICK;
3702	our @WAIT_FOR_TICK_BEGIN;	4053	our @WAIT_FOR_TICK_BEGIN;
3703		4054
3704	sub wait_for_tick {	4055	sub wait_for_tick {
3705	return if tick_inhibit || $Coro::current == $Coro::main;	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3706		4057
3707	my $signal = new Coro::Signal;	4058	my $signal = new Coro::Signal;
3708	push @WAIT_FOR_TICK, $signal;	4059	push @WAIT_FOR_TICK, $signal;
3709	$signal->wait;	4060	$signal->wait;
3710	}	4061	}
3711		4062
3712	sub wait_for_tick_begin {	4063	sub wait_for_tick_begin {
3713	return if tick_inhibit || $Coro::current == $Coro::main;	4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3714		4065
3715	my $signal = new Coro::Signal;	4066	my $signal = new Coro::Signal;
3716	push @WAIT_FOR_TICK_BEGIN, $signal;	4067	push @WAIT_FOR_TICK_BEGIN, $signal;
3717	$signal->wait;	4068	$signal->wait;
3718	}	4069	}
…		…
3724	return;	4075	return;
3725	}	4076	}
3726		4077
3727	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
3728		4079
		4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4081
3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3731	Coro::async_pool {	4084	Coro::async_pool {
3732	$Coro::current->{desc} = "runtime saver";	4085	$Coro::current->{desc} = "runtime saver";
3733	write_runtime_sync	4086	write_runtime_sync
3734	or warn "ERROR: unable to write runtime file: $!";	4087	or error "ERROR: unable to write runtime file: $!";
3735	};	4088	};
3736	}	4089	}
3737		4090
3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3739	$sig->send;	4092	$sig->send;
…		…
3747		4100
3748	if (0) {	4101	if (0) {
3749	if ($NEXT_TICK) {	4102	if ($NEXT_TICK) {
3750	my $jitter = $TICK_START - $NEXT_TICK;	4103	my $jitter = $TICK_START - $NEXT_TICK;
3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3752	warn "jitter $JITTER\n";#d#	4105	debug "jitter $JITTER\n";#d#
3753	}	4106	}
3754	}	4107	}
3755	}	4108	}
3756		4109
3757	{	4110	{
3758	# configure BDB	4111	# configure BDB
3759		4112
3760	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
3761	BDB::max_poll_reqs $TICK * 0.1;	4114	BDB::max_poll_reqs $TICK * 0.1;
3762	$Coro::BDB::WATCHER->priority (1);	4115	$AnyEvent::BDB::WATCHER->priority (1);
3763		4116
3764	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
3765	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3767	| BDB::LOG_AUTOREMOVE, 1);	4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3770		4124
3771	cf::sync_job {	4125	cf::sync_job {
3772	eval {	4126	eval {
…		…
3798	{	4152	{
3799	# configure IO::AIO	4153	# configure IO::AIO
3800		4154
3801	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
3802	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
3803	$Coro::AIO::WATCHER->priority (1);	4157	undef $AnyEvent::AIO::WATCHER;
3804	}	4158	}
3805		4159
3806	my $_log_backtrace;	4160	my $_log_backtrace;
3807		4161
3808	sub _log_backtrace {	4162	sub _log_backtrace {
…		…
3811	$msg =~ s/\n//;	4165	$msg =~ s/\n//;
3812		4166
3813	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3814	if ($_log_backtrace < 2) {	4168	if ($_log_backtrace < 2) {
3815	++$_log_backtrace;	4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
3816	async {	4171	async {
3817	$Coro::current->{desc} = "abt $msg";	4172	$Coro::current->{desc} = "abt $msg";
3818		4173
3819	my @bt = fork_call {	4174	my @bt = fork_call {
3820	@addr = map { sprintf "%x", $_ } @addr;	4175	@addr = map { sprintf "%x", $_ } @addr;
…		…
3831	}	4186	}
3832		4187
3833	@funcs	4188	@funcs
3834	};	4189	};
3835		4190
3836	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3837	LOG llevInfo, "[ABT] $_\n" for @bt;	4193	LOG llevInfo, "[ABT] $_\n" for @bt;
3838	--$_log_backtrace;	4194	--$_log_backtrace;
3839	};	4195	};
3840	} else {	4196	} else {
3841	LOG llevInfo, "[ABT] $msg\n";	4197	LOG llevInfo, "[ABT] $msg\n";
3842	LOG llevInfo, "[ABT] [suppressed]\n";	4198	LOG llevInfo, "[ABT] [suppressed]\n";
3843	}	4199	}
3844	}	4200	}
3845		4201
3846	# load additional modules	4202	# load additional modules
3847	use cf::pod;	4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
3848		4205
3849	END { cf::emergency_save }	4206	END { cf::emergency_save }
3850		4207
3851	1	4208	1
3852		4209

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