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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		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;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	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::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	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
171	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.
172		240
173	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
174		242
175	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
176	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
177	that call.	245	that call.
178		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
179	=back	253	=back
180		254
181	=cut	255	=cut
182		256
183	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	264	my $msg = join "", @_;
186		265
187	$msg .= "\n"	266	$msg .= "\n"
188	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
189		268
190	$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;
191		270
192	utf8::encode $msg;
193	LOG llevError, $msg;	271	LOG llevWarn, $msg;
194	};	272	};
195	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
196		287
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	298	for my $pkg (qw(
208	cf::global cf::attachable	299	cf::global cf::attachable
209	cf::object cf::object::player	300	cf::object cf::object::player
210	cf::client cf::player	301	cf::client cf::player
211	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
212	cf::map cf::party cf::region	304	cf::party cf::region
213	)) {	305	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	307	}
217		308
218	$Event::DIED = sub {	309	$EV::DIED = sub {
219	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
220	};	311	};
221		312
222	#############################################################################	313	#############################################################################
223		314
224	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	338	$d
248	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
249	}	340	}
250		341
251	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
252		343
253	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
254		345
255	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
256		347
257	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
258		349
259	=cut	350	=cut
260		351
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		353
263	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
265		370
266	=item cf::lock_wait $string	371	=item cf::lock_wait $string
267		372
268	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
269		374
270	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
271		376
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
275	returned.	380	returned.
276		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
277	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
279		387
280	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
281		389
282	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.
283		391
284	=cut	392	=cut
285		393
286	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
287		395
288	sub lock_wait($) {	396	sub lock_wait($) {
289	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	398	}
297		399
298	sub lock_acquire($) {	400	sub lock_acquire($) {
299	my ($key) = @_;	401	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	402	}
311		403
312	sub lock_active($) {	404	sub lock_active($) {
313	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	406	}
317		407
318	sub freeze_mainloop {	408	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
320		410
321	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	412	}
323	};	413
324	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
325	$guard	415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
326	}	427	}
327		428
328	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
329		430
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		439
339	=cut	440	=cut
340		441
341	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
343		445
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
346	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
347		452
348	while () {	453	while () {
349	next_job:	454	next_job:
		455
350	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	457
352	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	462	$job->[2]->send;
356	Coro::cede;	463	Coro::cede;
357	goto next_job;	464	goto next_job;
358	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	467	}
360	}	468	}
361		469
362	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	473	$signal->wait;
366	} else {	474	} else {
		475	$busy = 0;
367	Coro::schedule;	476	Coro::schedule;
368	}	477	}
369	}	478	}
370	};	479	};
371		480
372	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
373	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
374		485
375	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
376	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
377		489
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
391		503
392	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
393		505
394	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
395		507
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	511	acceptable.
400		512
401	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	518	=cut
407		519
408	sub sync_job(&) {	520	sub sync_job(&) {
409	my ($job) = @_;	521	my ($job) = @_;
410		522
411	if ($Coro::current == $Coro::main) {	523	if (in_main) {
412	my $time = Event::time;	524	my $time = AE::time;
413		525
414	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
416		528
417	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	530
419	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
420		532
421	my $busy = 1;	533	my $busy = 1;
422	my @res;	534	my @res;
423		535
424	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	538	@res = eval { $job->() };
426	warn $@ if $@;	539	error $@ if $@;
427	undef $busy;	540	undef $busy;
428	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
429		542
430	while ($busy) {	543	while ($busy) {
431	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
432	}	548	}
		549	}
433		550
434	$time = Event::time - $time;	551	my $time = AE::time - $time;
435		552
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
440		554
441	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
442	} else {	556	} else {
443	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
444		558
…		…
469	=item fork_call { }, $args	583	=item fork_call { }, $args
470		584
471	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
475		589
476	=cut	590	=cut
477		591
478	sub fork_call(&@) {	592	sub fork_call(&@) {
479	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
480		594
481	# we seemingly have to make a local copy of the whole thing,	595	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	596	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	597	# TODO: investigate and fix (likely this will be rather laborious)
484		598
485	my @res = Coro::Util::fork_eval {	599	my @res = Coro::Util::fork_eval {
486	reset_signals;	600	reset_signals;
487	&$cb	601	&$cb
488	}, @args;	602	}, @args;
489		603
490	wantarray ? @res : $res[-1]	604	wantarray ? @res : $res[-1]
491	}	605	}
492		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	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
493	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
494		646
495	Returns a single value from the environment database.	647	Returns a single value from the environment database.
496		648
497	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
498		650
499	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
502	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
503		680
504	our $DB;	681	our $DB;
505		682
506	sub db_init {	683	sub db_init {
507	unless ($DB) {	684	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	685	}
522		686
523	sub db_get($$) {	687	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
525		689
526	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
527	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
528		694
529	$! ? ()	695	$! ? ()
530	: $data	696	: $data
531	}
532	}	697	}
533		698
534	sub db_put($$$) {	699	sub db_put($$$) {
535	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	740	if (1) {
576	$md5 =	741	$md5 =
577	join "\x00",	742	join "\x00",
578	$processversion,	743	$processversion,
579	map {	744	map {
580	Coro::cede;	745	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	747	} 0.. $#$src;
583		748
584		749
585	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		757
593	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	759	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
596		761
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		763
599	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
602		767
…		…
612		777
613	=cut	778	=cut
614		779
615	sub datalog($@) {	780	sub datalog($@) {
616	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	783	}
619		784
620	=back	785	=back
621		786
622	=cut	787	=cut
623		788
624	#############################################################################	789	#############################################################################
625		790
626	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
627		792
628	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
629	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")
630	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
631		796
632	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>
633	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
634	Crossfire TRT).	799	Deliantra).
635		800
636	=over 4	801	=over 4
637		802
638	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
639		804
…		…
683	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
684		849
685	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
686	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
687		852
688	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		855
691	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
692		857
693	=over 4	858	=over 4
…		…
817		982
818	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		985
821	} elsif (ref $type) {	986	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
823		988
824	} else {	989	} else {
825	shift @arg;	990	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
827	}	992	}
828	}	993	}
829	}	994	}
830		995
831	sub _object_attach {	996	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
842	}	1007	}
843		1008
844	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
845	} else {	1010	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1012	}
848		1013
849	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
850	}	1015	}
851		1016
…		…
910		1075
911	for (@$callbacks) {	1076	for (@$callbacks) {
912	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
913		1078
914	if ($@) {	1079	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1081	override;
918	}	1082	}
919		1083
920	return 1 if $override;	1084	return 1 if $override;
921	}	1085	}
922		1086
923	0	1087	0
924	}	1088	}
925		1089
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1091
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1093
930	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
931		1095
…		…
937		1101
938	=cut	1102	=cut
939		1103
940	#############################################################################	1104	#############################################################################
941	# object support	1105	# object support
942	#
943		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
944	sub _can_merge {	1140	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
946		1142
947	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1144
951	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
952	}	1147	}
953		1148
954	sub reattach {	1149	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1151	my ($obj) = @_;
957		1152
		1153	# no longer needed after getting rid of delete_package?
958	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
959		1155
960	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
961		1157
962	@$registry = ();	1158	@$registry = ();
963		1159
…		…
968	for (@$attach) {	1164	for (@$attach) {
969	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
971	}	1167	}
972	} else {	1168	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1170	}
975	}	1171	}
976	}	1172	}
977		1173
978	cf::attachable->attach (	1174	cf::attachable->attach (
979	prio => -1000000,	1175	prio => -1000000,
980	on_instantiate => sub {	1176	on_instantiate => sub {
981	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
982		1178
983	$data = from_json $data;	1179	$data = decode_json $data;
984		1180
985	for (@$data) {	1181	for (@$data) {
986	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
987		1183
988	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1200	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1006		1202
1007	sync_job {	1203	sync_job {
1008	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1011		1209
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1217	aio_close $fh;
1017		1218
1018	if (@$objs) {	1219	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1228	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1230	}
1027	} else {	1231	} else {
1028	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1029	}	1233	}
1030		1234
1031	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1239	} else {
1033	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1034	}	1241	}
1035	} else {	1242	} else {
1036	aio_unlink $filename;	1243	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1038	}	1245	}
1039	}	1246	};
1040	}	1247	}
1041		1248
1042	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1044		1251
…		…
1056	or return;	1263	or return;
1057		1264
1058	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1267	or return;
		1268
1061	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1062	}	1271	}
1063		1272
		1273	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1066	return ($data, $av);	1278	($data, $av)
1067	}	1279	}
1068		1280
1069	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1070		1282
1071	=over 4	1283	=over 4
…		…
1125	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1126		1338
1127	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1128	}	1340	}
1129		1341
		1342	use File::Glob ();
		1343
1130	cf::player->attach (	1344	cf::player->attach (
1131	on_command => sub {	1345	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1133		1347
1134	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1135	or return;	1349	or return;
1136		1350
…		…
1149	my ($type, $reply, @payload) =	1363	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1364	"ARRAY" eq ref $msg
1151	? @$msg	1365	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1367
		1368	my @reply;
		1369
1154	if (my $cb = $EXTCMD{$type}) {	1370	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1371	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1160	} else {	1377	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1379	}
1163		1380
1164	cf::override;	1381	cf::override;
1165	},	1382	},
1166	);	1383	);
1167		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
1168	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1169	cf::sync_job {	1401	cf::sync_job {
1170	my %todo;	1402	my %todo;
1171		1403
1172	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1405	next unless -r $path;
…		…
1191		1423
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1426
1195	$ext{source} =	1427	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1198	. $source	1430	. $source
1199	. "\n};\n1";	1431	. "\n};\n1";
1200		1432
1201	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1202	}	1434	}
1203		1435
		1436	my $pass = 0;
1204	my %done;	1437	my %done;
1205	while (%todo) {	1438	while (%todo) {
1206	my $progress;	1439	my $progress;
1207		1440
		1441	++$pass;
		1442
		1443	ext:
1208	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1446	next ext
1211	unless exists $done{$_};	1447	unless exists $done{$_};
1212	}	1448	}
1213		1449
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1451
1216	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1221	warn $msg;	1459
1222	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1461	delete $todo{$k};
1224	}	1462	} else {
1225		1463	$done{$k} = delete $todo{$k};
1226	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1227	}	1469	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1470	}
1233		1471
1234	skip:	1472	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1237	}	1480	}
1238	};	1481	};
1239	}	1482	}
1240		1483
1241	#############################################################################	1484	#############################################################################
1242		1485
1243	=back	1486	=back
1244		1487
1245	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1246		1489
1247	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1248		1491
1249	=cut	1492	=cut
1250		1493
1251	package cf::player;	1494	package cf::player;
1252		1495
1253	use Coro::AIO;	1496	use Coro::AIO;
1254		1497
1255	=head3 cf::player	1498	=head3 cf::player
1256		1499
1257	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1258		1515
1259	=item cf::player::find $login	1516	=item cf::player::find $login
1260		1517
1261	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1262		1519
…		…
1281		1538
1282	sub exists($) {	1539	sub exists($) {
1283	my ($login) = @_;	1540	my ($login) = @_;
1284		1541
1285	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1287	}	1544	}
1288		1545
1289	sub find($) {	1546	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1548	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1559
1303	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1306	}	1569	}
1307	}	1570	}
1308	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1309		1585
1310	sub save($) {	1586	sub save($) {
1311	my ($pl) = @_;	1587	my ($pl) = @_;
1312		1588
1313	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1319		1595
1320	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1322		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1323	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1324	Coro::cede;	1605	cf::cede_to_tick;
1325	}	1606	}
1326		1607
1327	sub new($) {	1608	sub new($) {
1328	my ($login) = @_;	1609	my ($login) = @_;
1329		1610
…		…
1358	my ($pl) = @_;	1639	my ($pl) = @_;
1359		1640
1360	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1361		1642
1362	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1645
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1369		1651
1370	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1689	or return [];
1408		1690
1409	my @logins;	1691	my @logins;
1410		1692
1411	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1415		1703
1416	utf8::decode $login;	1704	utf8::decode $login;
1417	push @logins, $login;	1705	push @logins, $login;
1418	}	1706	}
1419		1707
1420	\@logins	1708	\@logins
1421	}	1709	}
1422		1710
1423	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1424		1714
1425	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1426	player. May block.	1716	player. May block.
1427		1717
1428	=cut	1718	=cut
…		…
1446	}	1736	}
1447		1737
1448	\@paths	1738	\@paths
1449	}	1739	}
1450		1740
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1742
1453	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1744
1501	=item $player->ext_reply ($msgid, @msg)	1745	=item $player->ext_reply ($msgid, @msg)
1502		1746
1503	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1504		1748
…		…
1536		1780
1537	=cut	1781	=cut
1538		1782
1539	sub find_by_path($) {	1783	sub find_by_path($) {
1540	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1541		1787
1542	my ($match, $specificity);	1788	my ($match, $specificity);
1543		1789
1544	for my $region (list) {	1790	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1573		1819
1574	sub generate_random_map {	1820	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1576	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1577	$self->_create_random_map (	1826	$self->_create_random_map (
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1599		1848
1600	sub register {	1849	sub register {
1601	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1851	my $pkg = caller;
1603		1852
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1854
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1856	}
1609		1857
1610	# also paths starting with '/'	1858	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1860
1613	sub thawer_merge {	1861	sub thawer_merge {
1614	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1615		1863
1616	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1702		1950
1703	# the temporary/swap location	1951	# the temporary/swap location
1704	sub save_path {	1952	sub save_path {
1705	my ($self) = @_;	1953	my ($self) = @_;
1706		1954
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1709	}	1957	}
1710		1958
1711	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1712	sub uniq_path {	1960	sub uniq_path {
1713	my ($self) = @_;	1961	my ($self) = @_;
1714		1962
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	1965	}
1727		1966
1728	sub decay_objects {	1967	sub decay_objects {
1729	my ($self) = @_;	1968	my ($self) = @_;
1730		1969
…		…
1743		1982
1744	sub load_header_from($) {	1983	sub load_header_from($) {
1745	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1746		1985
1747	utf8::encode $path;	1986	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1753		1995
1754	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1755		1997
1756	1	1998	1
1757	}	1999	}
…		…
1811	sub find {	2053	sub find {
1812	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1813		2055
1814	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1815		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2060
1818	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1821	or return;	2063	or return;
1822		2064
1823	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1824		2066
…		…
1826	or return;	2068	or return;
1827		2069
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1831	$map->reset;	2075	$map->reset;
1832	undef $guard;
1833	return find $path;	2076	return find $path;
1834	}	2077	}
1835		2078
1836	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1837	}	2080	}
1838	}	2081	}
1839		2082
1840	sub pre_load { }	2083	sub pre_load { }
1841	sub post_load { }	2084	#sub post_load { } # XS
1842		2085
1843	sub load {	2086	sub load {
1844	my ($self) = @_;	2087	my ($self) = @_;
1845		2088
1846	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1847		2090
1848	my $path = $self->{path};	2091	my $path = $self->{path};
1849		2092
1850	{	2093	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1852		2095
		2096	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1854		2098
1855	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1856		2100
1857	$self->alloc;	2101	$self->alloc;
1858		2102
1859	$self->pre_load;	2103	$self->pre_load;
1860	Coro::cede;	2104	cf::cede_to_tick;
1861		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
1862	$self->_load_objects ($self->{load_path}, 1)	2108	$self->_load_objects ($f)
1863	or return;	2109	or return;
1864		2110
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1866	if delete $self->{load_original};	2112	if delete $self->{load_original};
1867		2113
1868	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2115	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2118	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1873	}	2122	}
1874	}	2123	}
1875		2124
1876	Coro::cede;	2125	$f->resolve_delayed_derefs;
		2126
		2127	cf::cede_to_tick;
1877	# now do the right thing for maps	2128	# now do the right thing for maps
1878	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2131	unless $self->difficulty;
1881	Coro::cede;	2132	cf::cede_to_tick;
1882		2133
1883	unless ($self->{deny_activate}) {	2134	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2135	$self->decay_objects;
1885	$self->fix_auto_apply;	2136	$self->fix_auto_apply;
1886	$self->update_buttons;	2137	$self->update_buttons;
1887	Coro::cede;	2138	cf::cede_to_tick;
1888	$self->set_darkness_map;
1889	Coro::cede;
1890	$self->activate;	2139	$self->activate;
1891	}	2140	}
1892		2141
1893	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2143	$self->last_access ($cf::RUNTIME);
1895		2144
1896	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
1897	}	2146	}
1898		2147
1899	$self->post_load;	2148	$self->post_load;
1900	}	2149	}
1901		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2154	sub customise_for {
1903	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1904		2156
1905	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2158	if $self->per_player;
…		…
1922	or next;	2174	or next;
1923	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1924	or next;	2176	or next;
1925	$neigh->load;	2177	$neigh->load;
1926		2178
		2179	# now find the diagonal neighbours
1927	push @neigh,	2180	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2183	}
1931		2184
…		…
1938	}	2191	}
1939		2192
1940	sub find_sync {	2193	sub find_sync {
1941	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1942		2195
1943	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1944	}	2200	}
1945		2201
1946	sub do_load_sync {	2202	sub do_load_sync {
1947	my ($map) = @_;	2203	my ($map) = @_;
1948		2204
1949	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1950	}	2209	}
1951		2210
1952	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1954		2213
1955	sub find_async {	2214	sub find_async {
1956	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1957		2216
1958	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1959		2218
1960	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1962	}	2221	}
1963		2222
1964	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1965	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1966	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2230	if (my $map = find $k) {
1969	$map->load;	2231	$map->load if $v;
1970	}	2232	}
1971		2233
1972	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1973	}	2235	}
1974	}	2236	}
1975	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1976	};	2238	};
1977	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1978		2240
1979	()	2241	()
1980	}	2242	}
1981		2243
		2244	# common code, used by both ->save and ->swapout
1982	sub save {	2245	sub _save {
1983	my ($self) = @_;	2246	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2247
1987	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1988		2249
1989	return unless $self->dirty;	2250	return unless $self->dirty;
1990		2251
…		…
1996	return if $self->{deny_save};	2257	return if $self->{deny_save};
1997		2258
1998	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1999		2260
2000	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
2002	};	2264	};
		2265
		2266	cf::get_slot 0.02;
2003		2267
2004	if ($uniq) {	2268	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2271	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2273	}
2010	}	2274	}
2011		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
2012	sub swap_out {	2284	sub swap_out {
2013	my ($self) = @_;	2285	my ($self) = @_;
2014		2286
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
2020	return if $self->players;	2291	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
2024	$self->clear;	2302	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2303	}
2027		2304
2028	sub reset_at {	2305	sub reset_at {
2029	my ($self) = @_;	2306	my ($self) = @_;
2030		2307
…		…
2048		2325
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2327
2051	return if $self->players;	2328	return if $self->players;
2052		2329
2053	warn "resetting map ", $self->path;	2330	cf::trace "resetting map ", $self->path, "\n";
2054		2331
2055	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
2056		2333
2057	# need to save uniques path	2334	# need to save uniques path
2058	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
2062	if $uniq;	2339	if $uniq;
2063	}	2340	}
2064		2341
2065	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
2066		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2346	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2347
2071	$self->unlink_save;	2348	$self->unlink_save;
2072	$self->destroy;	2349	$self->destroy;
2073	}	2350	}
2074		2351
2075	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
2076		2353
2077	sub nuke {	2354	sub nuke {
2078	my ($self) = @_;	2355	my ($self) = @_;
2079		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
2080	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
2081		2361
2082	$self->unlink_save;	2362	$self->unlink_save;
2083		2363
2084	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2369
2090	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
2091		2372
2092	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
2093	}	2374	}
2094		2375
2095	=item $maps = cf::map::tmp_maps	2376	=item $maps = cf::map::tmp_maps
…		…
2137		2418
2138	sub unique_maps() {	2419	sub unique_maps() {
2139	[	2420	[
2140	map {	2421	map {
2141	utf8::decode $_;	2422	utf8::decode $_;
2142	/\.map$/	2423	s/\.map$//; # TODO future compatibility hack
		2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2425	? ()
2143	? normalise $_	2426	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2427	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2428	]
2147	}	2429	}
2148		2430
2149	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
2150		2462
2151	=back	2463	=back
2152		2464
2153	=head3 cf::object	2465	=head3 cf::object
2154		2466
…		…
2158		2470
2159	=over 4	2471	=over 4
2160		2472
2161	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
2162		2474
2163	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
2164		2477
2165	=cut	2478	=cut
2166		2479
2167	sub inv_recursive_;	2480	sub inv_recursive_;
2168	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
2171		2484
2172	sub inv_recursive {	2485	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
2174	}	2487	}
2175		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
2176	package cf;	2517	package cf;
2177		2518
2178	=back	2519	=back
2179		2520
2180	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
2189		2530
2190	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
2191		2546
2192	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2548	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2562	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2564
2210	} else {	2565	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2568	}
2214	}	2569	}
2215	}	2570	}
2216		2571
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2597
2243	=item $player_object->enter_link	2598	=item $player_object->enter_link
2244		2599
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2601
2247	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
2249		2606
2250	Will never block.	2607	Will never block.
2251		2608
2252	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
2253		2610
…		…
2273	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2631	my ($self) = @_;
2275		2632
2276	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
2277		2634
		2635	++$self->{_link_recursion};
		2636
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2638
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2640	if $self->map && $self->map->{path} ne "{link}";
2282		2641
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2643	}
2285		2644
2286	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
2288		2647
…		…
2305	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
2307		2666
2308	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
2311		2670
2312	$map->load;	2671	$map->load;
2313	$map->load_neighbours;	2672	$map->load_neighbours;
2314		2673
2315	return unless $self->contr->active;	2674	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2675
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
2320	}	2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
		2681	$self->activate_recursive;
		2682	}
2321		2683
		2684	}
		2685
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2687
2324	Moves the player to the given map-path and coordinates by first freezing	2688	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2689	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2690	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2691	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2692	be called at the end of this process.
2329		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
2330	=cut	2697	=cut
2331		2698
2332	our $GOTOGEN;	2699	our $GOTOGEN;
2333		2700
2334	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
2337	# do generation counting so two concurrent goto's will be executed in-order	2710	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2712
2340	$self->enter_link;	2713	$self->enter_link;
2341		2714
2342	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
2343	my $map = eval {	2737	my $map = eval {
2344	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
2345		2739
2346	if ($map) {	2740	if ($map) {
2347	$map = $map->customise_for ($self);	2741	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2742	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2743	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2745	}
2352		2746
2353	$map	2747	$map
2354	};	2748	};
2355		2749
…		…
2361	if ($gen == $self->{_goto_generation}) {	2755	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2756	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
2364	}	2758	}
2365		2759
2366	$done->() if $done;	2760	$done->($self) if $done;
2367	})->prio (1);	2761	})->prio (1);
2368	}	2762	}
2369		2763
2370	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
2371		2765
…		…
2391	}	2785	}
2392		2786
2393	sub prepare_random_map {	2787	sub prepare_random_map {
2394	my ($exit) = @_;	2788	my ($exit) = @_;
2395		2789
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2792	# that depends on the exit object
2401		2793
2402	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2796	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
2409	}	2803	}
2410		2804
2411	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
2412		2806
2413	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
2416		2810
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2813	undef $fh;
2420	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
2421		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
2424	}	2822	}
2425	}	2823	}
2426		2824
2427	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2429		2827
2430	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2431		2829
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2830	$self->enter_link;
2444		2831
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2832	(async {
2450	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2451	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2452	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2453		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2454	1;	2856	1
2455	}) {	2857	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2862
2461	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2864	$self->leave_link;
2463	}	2865	}
2464	})->prio (1);	2866	})->prio (1);
2465	}	2867	}
2466		2868
…		…
2478	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
2480		2882
2481	utf8::encode $text;	2883	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2885	}
		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
2483	}	2910	}
2484		2911
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		2913
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	2914	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	2916	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	2917	the message unless the client supports the msg packet.
2491		2918
2492	=cut	2919	=cut
2493		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
2494	sub cf::client::send_msg {	3035	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3036	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3037
2497	$msg = $self->pl->expand_cfpod ($msg);	3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
2498		3040
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
2501	if (ref $channel) {	3050	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3051	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3052	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3053	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3054	$self->ext_msg (channel_info => $channel);
2506	}	3055	}
…		…
2508	$channel = $channel->{id};	3057	$channel = $channel->{id};
2509	}	3058	}
2510		3059
2511	return unless @extra || length $msg;	3060	return unless @extra || length $msg;
2512		3061
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3062	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3064	if $color & cf::NDI_DEF;
2517		3065
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3069	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3070
2532	$color &= cf::NDI_COLOR_MASK;	3071	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3072	}
2546		3073
2547	=item $client->ext_msg ($type, @msg)	3074	=item $client->ext_msg ($type, @msg)
2548		3075
2549	Sends an ext event to the client.	3076	Sends an ext event to the client.
…		…
2551	=cut	3078	=cut
2552		3079
2553	sub cf::client::ext_msg($$@) {	3080	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3081	my ($self, $type, @msg) = @_;
2555		3082
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3083	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3085	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3086	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3088	}
2564	}	3089	}
2565		3090
2566	=item $client->ext_reply ($msgid, @msg)	3091	=item $client->ext_reply ($msgid, @msg)
2567		3092
…		…
2571		3096
2572	sub cf::client::ext_reply($$@) {	3097	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3098	my ($self, $id, @msg) = @_;
2574		3099
2575	if ($self->extcmd == 2) {	3100	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3102	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3103	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3104	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3106	}
2582	}	3107	}
2583		3108
2584	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2585		3110
…		…
2646	my ($type, $reply, @payload) =	3171	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3172	"ARRAY" eq ref $msg
2648	? @$msg	3173	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3175
		3176	my @reply;
		3177
2651	if (my $cb = $EXTICMD{$type}) {	3178	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3179	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
2657	} else {	3185	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3187	}
2660		3188
2661	cf::override;	3189	cf::override;
2662	},	3190	},
2663	);	3191	);
…		…
2683		3211
2684	$coro	3212	$coro
2685	}	3213	}
2686		3214
2687	cf::client->attach (	3215	cf::client->attach (
2688	on_destroy => sub {	3216	on_client_destroy => sub {
2689	my ($ns) = @_;	3217	my ($ns) = @_;
2690		3218
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3220	},
2693	);	3221	);
…		…
2709	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2710		3238
2711	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2712		3240
2713	$safe->permit_only (Opcode::opset qw(	3241	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3242	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3243	grepstart grepwhile mapstart mapwhile
2716	sort time	3244	sort time
2717	));	3245	));
2718		3246
2719	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
…		…
2721	=pod	3249	=pod
2722		3250
2723	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2724		3252
2725	cf::object	3253	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3254	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3255	insert remove name archname title slaying race decrease split
		3256	value
2728		3257
2729	cf::object::player	3258	cf::object::player
2730	player	3259	player
2731		3260
2732	cf::player	3261	cf::player
…		…
2737		3266
2738	=cut	3267	=cut
2739		3268
2740	for (	3269	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2746	) {	3276	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3279	for @funs;
2751	}	3280	}
2752		3281
…		…
2767		3296
2768	my $qcode = $code;	3297	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2771		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2772	local $_;	3304	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3305
2775	my $eval =	3306	my $eval =
2776	"do {\n"	3307	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3310	. $code
2780	. "\n}"	3311	. "\n}"
2781	;	3312	;
2782		3313
		3314	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2786		3323
2787	if ($@) {	3324	if ($@) {
2788	warn "$@";	3325	warn "$@",
2789	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2791	}	3328	}
2792		3329
2793	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2794	}	3331	}
2795		3332
…		…
2809	=cut	3346	=cut
2810		3347
2811	sub register_script_function {	3348	sub register_script_function {
2812	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2813		3350
2814	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2816	}	3353	}
2817		3354
2818	=back	3355	=back
2819		3356
2820	=cut	3357	=cut
2821		3358
2822	#############################################################################	3359	#############################################################################
2823	# the server's init and main functions	3360	# the server's init and main functions
2824		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2825	sub load_facedata($) {	3404	sub load_facedata($) {
2826	my ($path) = @_;	3405	my ($path) = @_;
2827		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
2828	my $enc = JSON::XS->new->utf8->canonical;	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3412
2830	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2831		3414
2832	my $facedata;	3415	my $facedata;
2833	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2834	or die "$path: $!";	3417	or die "$path: $!";
2835		3418
…		…
2837		3420
2838	$facedata->{version} == 2	3421	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3423
2841	# patch in the exptable	3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3426	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3427	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
2845	};	3430	};
2846	cf::cede_to_tick;	3431	cf::cede_to_tick;
2847		3432
2848	{	3433	{
2849	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2850		3435
2851	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2853	cf::face::set_visibility $idx, $info->{visibility};	3439	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2857		3443
2858	cf::cede_to_tick;	3444	cf::cede_to_tick;
2859	}	3445	}
2860		3446
2861	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2863	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2864	or next;	3451	or next;
		3452
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3454	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3456	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3458	}
2871		3459
2872	cf::cede_to_tick;	3460	cf::cede_to_tick;
2873	}	3461	}
2874	}	3462	}
…		…
2883		3471
2884	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2885	}	3473	}
2886		3474
2887	{	3475	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3476	my $res = $facedata->{resource};
2891		3477
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3481
2898	if ($info->{type} & 1) {	3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3483	cf::face::set_type $idx, $info->{type};
2900
2901	my $meta = $enc->encode ({
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	} else {	3484	} else {
2908	$data = $info->{data};	3485	$RESOURCE{$name} = $info; # unused
2909	}	3486	}
2910		3487
2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912	cf::face::set_type $idx, $info->{type};
2913
2914	cf::cede_to_tick;	3488	cf::cede_to_tick;
2915	}	3489	}
2916
2917	if ($soundconf) {
2918	$soundconf = $enc->decode (delete $soundconf->{data});
2919
2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921	my $sound = $soundconf->{compat}[$_]
2922	or next;
2923
2924	my $face = cf::face::find "sound/$sound->[1]";
2925	cf::sound::set $sound->[0] => $face;
2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927	}
2928
2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
2930	my $face = cf::face::find "sound/$v";
2931	cf::sound::set $k => $face;
2932	}
2933	}
2934	}	3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2935		3493
2936	1	3494	1
2937	}	3495	}
2938		3496
2939	register_exticmd fx_want => sub {	3497	register_exticmd fx_want => sub {
…		…
2942	while (my ($k, $v) = each %$want) {	3500	while (my ($k, $v) = each %$want) {
2943	$ns->fx_want ($k, $v);	3501	$ns->fx_want ($k, $v);
2944	}	3502	}
2945	};	3503	};
2946		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2947	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2948	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2949	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
2950		3522
2951	for (cf::region::list) {	3523	for (cf::region::list) {
2952	$_->{match} = qr/$_->{match}/	3524	$_->{match} = qr/$_->{match}/
…		…
2960	}	3532	}
2961		3533
2962	sub reload_archetypes {	3534	sub reload_archetypes {
2963	load_resource_file "$DATADIR/archetypes"	3535	load_resource_file "$DATADIR/archetypes"
2964	or die "unable to load archetypes\n";	3536	or die "unable to load archetypes\n";
2965	#d# NEED to laod twice to resolve forward references
2966	# this really needs to be done in an extra post-pass
2967	# (which needs to be synchronous, so solve it differently)
2968	load_resource_file "$DATADIR/archetypes"
2969	or die "unable to load archetypes\n";
2970	}	3537	}
2971		3538
2972	sub reload_treasures {	3539	sub reload_treasures {
2973	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2974	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2975	}	3542	}
2976		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2977	sub reload_resources {	3567	sub reload_resources {
2978	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2979		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
2980	reload_regions;	3573	reload_regions;
2981	reload_facedata;
2982	#reload_archetypes;#d#
2983	reload_archetypes;
2984	reload_treasures;	3574	reload_treasures;
2985		3575
2986	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
2987	}	3577	}
2988		3578
2989	sub init {	3579	sub reload_config {
2990	reload_resources;	3580	trace "reloading config file...\n";
2991	}
2992		3581
2993	sub cfg_load {
2994	open my $fh, "<:utf8", "$CONFDIR/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2995	or return;	3583	or return;
2996		3584
2997	local $/;	3585	local $/;
2998	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2999		3587
3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3001		3589
3002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3004		3592
3005	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
3007	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3008	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
3009	};	3597	};
3010	warn $@ if $@;	3598	warn $@ if $@;
3011	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
3012	}	3630	}
3013		3631
3014	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
3015	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
3016	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3018	(async {	3645	(async {
3019	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
3020	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
3021	};	3649	};
3022		3650
3023	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
3024	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
3025	load_extensions;	3676	load_extensions;
3026		3677
3027	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
3028	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
3029	}	3696	}
3030		3697
3031	#############################################################################	3698	#############################################################################
3032	# initialisation and cleanup	3699	# initialisation and cleanup
3033		3700
3034	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
3035	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
3036	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
3037	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3038	reentrant => 0,
3039	data => WF_AUTOCANCEL,
3040	signal => $signal,
3041	prio => 0,
3042	cb => sub {
3043	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
3044	},
3045	);	3707	};
3046	}	3708	}
3047	}	3709	}
3048		3710
3049	sub write_runtime {	3711	sub write_runtime_sync {
3050	my $runtime = "$LOCALDIR/runtime";	3712	my $t0 = AE::time;
3051		3713
3052	# first touch the runtime file to show we are still running:	3714	# first touch the runtime file to show we are still running:
3053	# the fsync below can take a very very long time.	3715	# the fsync below can take a very very long time.
3054		3716
3055	IO::AIO::aio_utime $runtime, undef, undef;	3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3056		3718
3057	my $guard = cf::lock_acquire "write_runtime";	3719	my $guard = cf::lock_acquire "write_runtime";
3058		3720
3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3060	or return;	3722	or return;
3061		3723
3062	my $value = $cf::RUNTIME + 90 + 10;	3724	my $value = $cf::RUNTIME + 90 + 10;
3063	# 10 is the runtime save interval, for a monotonic clock	3725	# 10 is the runtime save interval, for a monotonic clock
3064	# 60 allows for the watchdog to kill the server.	3726	# 60 allows for the watchdog to kill the server.
…		…
3074	aio_utime $fh, undef, undef;	3736	aio_utime $fh, undef, undef;
3075		3737
3076	close $fh	3738	close $fh
3077	or return;	3739	or return;
3078		3740
3079	aio_rename "$runtime~", $runtime	3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3080	and return;	3742	and return;
3081		3743
3082	warn "runtime file written.\n";	3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3083		3745
3084	1	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
3085	}	3797	}
3086		3798
3087	sub emergency_save() {	3799	sub emergency_save() {
3088	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
3089		3801
3090	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
3091		3808
3092	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
3093	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
3094	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
3095	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
3096	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
3097	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
3098	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
3099	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100	$pl->save;	3820	$pl->save;
3101	}	3821	}
3102	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
3103		3823
3104	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
3105	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
3106	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
3107	$map->valid or next;	3829	$map->valid or next;
3108	$map->save;	3830	$map->save;
3109	}	3831	}
3110	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
3111		3833
3112	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
3113	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
3114	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
3115	};	3862	};
3116		3863
3117	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
3118	}	3865	}
3119		3866
3120	sub post_cleanup {	3867	sub post_cleanup {
3121	my ($make_core) = @_;	3868	my ($make_core) = @_;
3122		3869
		3870	IO::AIO::flush;
		3871
3123	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
3124	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
3125	}	3902	}
3126		3903
3127	sub do_reload_perl() {	3904	sub do_reload_perl() {
3128	# can/must only be called in main	3905	# can/must only be called in main
3129	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
3130	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
3131	return;	3908	return;
3132	}	3909	}
3133		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
3134	warn "reloading...";	3916	info "reloading...";
3135		3917
3136	warn "entering sync_job";	3918	trace "entering sync_job";
3137		3919
3138	cf::sync_job {	3920	cf::sync_job {
3139	cf::write_runtime; # external watchdog should not bark
3140	cf::emergency_save;	3921	cf::emergency_save;
3141	cf::write_runtime; # external watchdog should not bark
3142		3922
3143	warn "syncing database to disk";
3144	BDB::db_env_txn_checkpoint $DB_ENV;
3145
3146	# if anything goes wrong in here, we should simply crash as we already saved
3147
3148	warn "cancelling all WF_AUTOCANCEL watchers";
3149	for (Event::all_watchers) {
3150	$_->cancel if $_->data & WF_AUTOCANCEL;
3151	}
3152
3153	warn "flushing outstanding aio requests";
3154	for (;;) {
3155	BDB::flush;
3156	IO::AIO::flush;
3157	Coro::cede;
3158	last unless IO::AIO::nreqs || BDB::nreqs;
3159	warn "iterate...";
3160	}
3161
3162	++$RELOAD;
3163
3164	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
3165	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
3166	%EXT_CORO = ();	3925	%EXT_CORO = ();
3167		3926
3168	warn "removing commands";	3927	trace "removing commands";
3169	%COMMAND = ();	3928	%COMMAND = ();
3170		3929
3171	warn "removing ext/exti commands";	3930	trace "removing ext/exti commands";
3172	%EXTCMD = ();	3931	%EXTCMD = ();
3173	%EXTICMD = ();	3932	%EXTICMD = ();
3174		3933
3175	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
3176	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
3177	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
3178		3937
3179	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
3180	eval {	3939	eval {
3181	$cb->($pkg);	3940	$cb->($pkg);
3182	1	3941	1
3183	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
3184	}	3947	}
3185		3948
3186	warn "... nuking $pkg";
3187	Symbol::delete_package $pkg;
3188	}
3189
3190	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
3191	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3193		3952
3194	warn "... unloading $k";	3953	trace "... unloading $k";
3195	delete $INC{$k};	3954	delete $INC{$k};
3196		3955
3197	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
3198	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
3199		3958
3200	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3201	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3202	}	3964	}
3203		3965
3204	Symbol::delete_package $k;
3205	}
3206
3207	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
3208	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3210		3969
3211	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
3212	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3213	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3214		3973
3215	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3216	# and global variables created in xs	3975	# and global variables created in xs
3217	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3218		3977
3219	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
3220		3979
3221	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
3222	require cf;	3981	require cf;
3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3224		3983
3225	warn "loading config and database again";	3984	trace "loading config and database again";
3226	cf::cfg_load;	3985	cf::reload_config;
3227		3986
3228	warn "loading extensions";	3987	trace "loading extensions";
3229	cf::load_extensions;	3988	cf::load_extensions;
3230		3989
		3990	if ($REATTACH_ON_RELOAD) {
3231	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
3232	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3233	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
3234	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3235	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
3236	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3237		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
3238	warn "leaving sync_job";	4002	trace "leaving sync_job";
3239		4003
3240	1	4004	1
3241	} or do {	4005	} or do {
3242	warn $@;	4006	error $@;
3243	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
3244	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
3245	};	4012	}
3246		4013
3247	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
3248	};	4016	};
3249		4017
3250	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
3251		4019
3252	sub reload_perl() {	4020	sub reload_perl() {
3253	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
3254	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
3255		4023
3256	$RELOAD_WATCHER ||= Event->timer (	4024	$RELOAD_WATCHER ||= cf::async {
3257	reentrant => 0,	4025	Coro::AIO::aio_wait cache_extensions;
3258	after => 0,	4026
3259	data => WF_AUTOCANCEL,	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3260	cb => sub {
3261	do_reload_perl;	4028	do_reload_perl;
3262	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
3263	},	4030	};
3264	);	4031	};
3265	}	4032	}
3266		4033
3267	register_command "reload" => sub {	4034	register_command "reload" => sub {
3268	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
3269		4036
3270	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
3271	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
3272	async { reload_perl };	4041	reload_perl;
		4042	};
3273	}	4043	}
3274	};	4044	};
3275		4045
3276	unshift @INC, $LIBDIR;	4046	#############################################################################
3277		4047
3278	my $bug_warning = 0;	4048	my $bug_warning = 0;
3279		4049
3280	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
3281	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
3282		4052
3283	sub wait_for_tick {	4053	sub wait_for_tick {
3284	return unless $TICK_WATCHER->is_active;
3285	return if $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3286		4055
3287	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
3288	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
3289	$signal->wait;	4058	$signal->wait;
3290	}	4059	}
3291		4060
3292	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3295		4063
3296	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
3298	$signal->wait;	4066	$signal->wait;
3299	}	4067	}
3300		4068
3301	my $min = 1e6;#d#	4069	sub tick {
3302	my $avg = 10;
3303	$TICK_WATCHER = Event->timer (
3304	reentrant => 0,
3305	parked => 1,
3306	prio => 0,
3307	at => $NEXT_TICK || $TICK,
3308	data => WF_AUTOCANCEL,
3309	cb => sub {
3310	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3312	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
3313	return;	4073	return;
3314	}	4074	}
3315		4075
3316	$NOW = $tick_start = Event::time;
3317
3318	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
3319		4077
3320	0 && sync_job {#d#	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3321	for(1..10) {
3322	my $t = Event::time;
3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3324	or die;
3325		4079
3326	$map->width (50);	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3327	$map->height (50);	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3328	$map->alloc;	4082	Coro::async_pool {
3329	$map->_load_objects ("/tmp/x.map", 1);	4083	$Coro::current->{desc} = "runtime saver";
3330	my $t = Event::time - $t;	4084	write_runtime_sync
3331		4085	or error "ERROR: unable to write runtime file: $!";
3332	#next unless $t < 0.0013;#d#
3333	if ($t < $min) {
3334	$min = $t;
3335	}
3336	$avg = $avg * 0.99 + $t * 0.01;
3337	}
3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339	exit 0;
3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341	};	4086	};
		4087	}
3342		4088
3343	$RUNTIME += $TICK;
3344	$NEXT_TICK += $TICK;
3345
3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
3348	Coro::async_pool {
3349	write_runtime
3350	or warn "ERROR: unable to write runtime file: $!";
3351	};
3352	}
3353
3354	# my $AFTER = Event::time;
3355	# warn $AFTER - $NOW;#d#
3356
3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358	$sig->send;	4090	$sig->send;
3359	}	4091	}
3360	while (my $sig = shift @WAIT_FOR_TICK) {	4092	while (my $sig = shift @WAIT_FOR_TICK) {
3361	$sig->send;	4093	$sig->send;
3362	}	4094	}
3363		4095
3364	$NOW = Event::time;	4096	$LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366	# if we are delayed by four ticks or more, skip them all
3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369	$TICK_WATCHER->at ($NEXT_TICK);
3370	$TICK_WATCHER->start;
3371
3372	$LOAD = ($NOW - $tick_start) / $TICK;
3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374		4098
3375	_post_tick;	4099	if (0) {
3376		4100	if ($NEXT_TICK) {
3377		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
3378	},	4105	}
3379	);	4106	}
3380		4107
3381	{	4108	{
3382	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
3383	$BDB_POLL_WATCHER = Event->io (	4110
3384	reentrant => 0,
3385	fd => BDB::poll_fileno,
3386	poll => 'r',
3387	prio => 0,
3388	data => WF_AUTOCANCEL,
3389	cb => \&BDB::poll_cb,
3390	);
3391	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
3392		4112	BDB::max_poll_reqs $TICK * 0.1;
3393	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
3394	my $status;
3395	my $current = $Coro::current;
3396	(
3397	sub {
3398	$status = $!;
3399	$current->ready; undef $current;
3400	},
3401	sub {
3402	Coro::schedule while defined $current;
3403	$! = $status;
3404	},
3405	)
3406	};
3407		4114
3408	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
3409	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3410		4122
3411	cf::sync_job {	4123	cf::sync_job {
3412	eval {	4124	eval {
3413	BDB::db_env_open	4125	BDB::db_env_open
3414	$DB_ENV,	4126	$DB_ENV,
…		…
3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418	0666;	4130	0666;
3419		4131
3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423	$DB_ENV->set_lk_detect;
3424	};	4133	};
3425		4134
3426	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
3427	};	4136	};
3428	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
3429	}	4148	}
3430		4149
3431	{	4150	{
		4151	# configure IO::AIO
		4152
3432	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
3433
3434	undef $Coro::AIO::WATCHER;
3435	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
3436	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
3437	reentrant => 0,
3438	data => WF_AUTOCANCEL,
3439	fd => IO::AIO::poll_fileno,
3440	poll => 'r',
3441	prio => 6,
3442	cb => \&IO::AIO::poll_cb,
3443	);
3444	}	4156	}
3445		4157
3446	my $_log_backtrace;	4158	my $_log_backtrace;
3447		4159
3448	sub _log_backtrace {	4160	sub _log_backtrace {
…		…
3451	$msg =~ s/\n//;	4163	$msg =~ s/\n//;
3452		4164
3453	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3454	if ($_log_backtrace < 2) {	4166	if ($_log_backtrace < 2) {
3455	++$_log_backtrace;	4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
3456	async {	4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
3457	my @bt = fork_call {	4172	my @bt = fork_call {
3458	@addr = map { sprintf "%x", $_ } @addr;	4173	@addr = map { sprintf "%x", $_ } @addr;
3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3461	or die "addr2line: $!";	4176	or die "addr2line: $!";
…		…
3469	}	4184	}
3470		4185
3471	@funcs	4186	@funcs
3472	};	4187	};
3473		4188
3474	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3475	LOG llevInfo, "[ABT] $_\n" for @bt;	4191	LOG llevInfo, "[ABT] $_\n" for @bt;
3476	--$_log_backtrace;	4192	--$_log_backtrace;
3477	};	4193	};
3478	} else {	4194	} else {
3479	LOG llevInfo, "[ABT] $msg\n";	4195	LOG llevInfo, "[ABT] $msg\n";
3480	LOG llevInfo, "[ABT] [suppressed]\n";	4196	LOG llevInfo, "[ABT] [suppressed]\n";
3481	}	4197	}
3482	}	4198	}
3483		4199
3484	# load additional modules	4200	# load additional modules
3485	use cf::pod;	4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
3486		4203
3487	END { cf::emergency_save }	4204	END { cf::emergency_save }
3488		4205
3489	1	4206	1
3490		4207

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