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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.351 by root, Sun Sep 2 00:57:38 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 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 ();	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
277	Locks are *not* recursive, locking from the same coro twice results in a	382	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	383	deadlocked coro.
…		…
284		389
285	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.
286		391
287	=cut	392	=cut
288		393
289	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
290		395
291	sub lock_wait($) {	396	sub lock_wait($) {
292	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	398	}
300		399
301	sub lock_acquire($) {	400	sub lock_acquire($) {
302	my ($key) = @_;	401	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	402	}
314		403
315	sub lock_active($) {	404	sub lock_active($) {
316	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	406	}
320		407
321	sub freeze_mainloop {	408	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
323		410
324	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	412	}
326	};	413
327	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
328	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
329	}	427	}
330		428
331	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
332		430
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341		439
342	=cut	440	=cut
343		441
344	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
346		445
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
349	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
350		452
351	while () {	453	while () {
352	next_job:	454	next_job:
		455
353	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	457
355	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	462	$job->[2]->send;
359	Coro::cede;	463	Coro::cede;
360	goto next_job;	464	goto next_job;
361	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	467	}
363	}	468	}
364		469
365	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	473	$signal->wait;
369	} else {	474	} else {
		475	$busy = 0;
370	Coro::schedule;	476	Coro::schedule;
371	}	477	}
372	}	478	}
373	};	479	};
374		480
375	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
376	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
377		485
378	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
379	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
380		489
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
394		503
395	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
396		505
397	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
398		507
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
400	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
401	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
402	acceptable.	511	acceptable.
403		512
404	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
405	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
…		…
409	=cut	518	=cut
410		519
411	sub sync_job(&) {	520	sub sync_job(&) {
412	my ($job) = @_;	521	my ($job) = @_;
413		522
414	if ($Coro::current == $Coro::main) {	523	if (in_main) {
415	my $time = Event::time;	524	my $time = AE::time;
416		525
417	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
419		528
420	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	530
422	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
423		532
424	my $busy = 1;	533	my $busy = 1;
425	my @res;	534	my @res;
426		535
427	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	538	@res = eval { $job->() };
429	warn $@ if $@;	539	error $@ if $@;
430	undef $busy;	540	undef $busy;
431	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
432		542
433	while ($busy) {	543	while ($busy) {
434	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
435	}	548	}
		549	}
436		550
437	$time = Event::time - $time;	551	my $time = AE::time - $time;
438		552
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
443		554
444	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
445	} else {	556	} else {
446	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
447		558
…		…
472	=item fork_call { }, $args	583	=item fork_call { }, $args
473		584
474	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
475	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
476	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
477	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
478		589
479	=cut	590	=cut
480		591
481	sub fork_call(&@) {	592	sub fork_call(&@) {
482	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
483		594
484	# 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,
485	# otherwise perl prematurely frees the stuff :/	596	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	597	# TODO: investigate and fix (likely this will be rather laborious)
487		598
488	my @res = Coro::Util::fork_eval {	599	my @res = Coro::Util::fork_eval {
489	reset_signals;	600	reset_signals;
490	&$cb	601	&$cb
491	}, @args;	602	}, @args;
492		603
493	wantarray ? @res : $res[-1]	604	wantarray ? @res : $res[-1]
494	}	605	}
495		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
496	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
497		646
498	Returns a single value from the environment database.	647	Returns a single value from the environment database.
499		648
500	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
501		650
502	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
503	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).
504		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
505	=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	}
506		680
507	our $DB;	681	our $DB;
508		682
509	sub db_init {	683	sub db_init {
510	unless ($DB) {	684	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	685	}
525		686
526	sub db_get($$) {	687	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
528		689
529	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
530	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
531		694
532	$! ? ()	695	$! ? ()
533	: $data	696	: $data
534	}
535	}	697	}
536		698
537	sub db_put($$$) {	699	sub db_put($$$) {
538	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
595		757
596	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	759	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
599		761
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		763
602	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
605		767
…		…
615		777
616	=cut	778	=cut
617		779
618	sub datalog($@) {	780	sub datalog($@) {
619	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	783	}
622		784
623	=back	785	=back
624		786
625	=cut	787	=cut
626		788
627	#############################################################################	789	#############################################################################
628		790
629	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
630		792
631	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
632	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")
633	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
634		796
635	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>
636	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
637	Crossfire TRT).	799	Deliantra).
638		800
639	=over 4	801	=over 4
640		802
641	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
642		804
…		…
686	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
687		849
688	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
689	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
690		852
691	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
692	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.
693		855
694	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
695		857
696	=over 4	858	=over 4
…		…
820		982
821	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		985
824	} elsif (ref $type) {	986	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
826		988
827	} else {	989	} else {
828	shift @arg;	990	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
830	}	992	}
831	}	993	}
832	}	994	}
833		995
834	sub _object_attach {	996	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
845	}	1007	}
846		1008
847	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
848	} else {	1010	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1012	}
851		1013
852	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
853	}	1015	}
854		1016
…		…
913		1075
914	for (@$callbacks) {	1076	for (@$callbacks) {
915	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
916		1078
917	if ($@) {	1079	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1081	override;
921	}	1082	}
922		1083
923	return 1 if $override;	1084	return 1 if $override;
924	}	1085	}
925		1086
926	0	1087	0
927	}	1088	}
928		1089
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1091
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1093
933	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
934		1095
…		…
940		1101
941	=cut	1102	=cut
942		1103
943	#############################################################################	1104	#############################################################################
944	# object support	1105	# object support
945	#
946		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#
947	sub _can_merge {	1140	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
949		1142
950	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1144
954	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
955	}	1147	}
956		1148
957	sub reattach {	1149	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1151	my ($obj) = @_;
960		1152
		1153	# no longer needed after getting rid of delete_package?
961	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
962		1155
963	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
964		1157
965	@$registry = ();	1158	@$registry = ();
966		1159
…		…
971	for (@$attach) {	1164	for (@$attach) {
972	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
974	}	1167	}
975	} else {	1168	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1170	}
978	}	1171	}
979	}	1172	}
980		1173
981	cf::attachable->attach (	1174	cf::attachable->attach (
982	prio => -1000000,	1175	prio => -1000000,
983	on_instantiate => sub {	1176	on_instantiate => sub {
984	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
985		1178
986	$data = from_json $data;	1179	$data = decode_json $data;
987		1180
988	for (@$data) {	1181	for (@$data) {
989	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
990		1183
991	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1200	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1009		1202
1010	sync_job {	1203	sync_job {
1011	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1014		1209
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	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	}
1019	close $fh;	1217	aio_close $fh;
1020		1218
1021	if (@$objs) {	1219	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1026	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	}
1027	close $fh;	1228	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1230	}
1030	} else {	1231	} else {
1031	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1032	}	1233	}
1033		1234
1034	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1239	} else {
1036	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1037	}	1241	}
1038	} else {	1242	} else {
1039	aio_unlink $filename;	1243	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1041	}	1245	}
1042	}	1246	};
1043	}	1247	}
1044		1248
1045	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1047		1251
…		…
1059	or return;	1263	or return;
1060		1264
1061	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1267	or return;
		1268
1064	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1065	}	1271	}
1066		1272
		1273	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1069	return ($data, $av);	1278	($data, $av)
1070	}	1279	}
1071		1280
1072	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1073		1282
1074	=over 4	1283	=over 4
…		…
1128	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1129		1338
1130	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1131	}	1340	}
1132		1341
		1342	use File::Glob ();
		1343
1133	cf::player->attach (	1344	cf::player->attach (
1134	on_command => sub {	1345	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1136		1347
1137	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1138	or return;	1349	or return;
1139		1350
…		…
1162		1373
1163	$pl->ext_reply ($reply, @reply)	1374	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1375	if $reply;
1165		1376
1166	} else {	1377	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1379	}
1169		1380
1170	cf::override;	1381	cf::override;
1171	},	1382	},
1172	);	1383	);
1173		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
1174	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1175	cf::sync_job {	1401	cf::sync_job {
1176	my %todo;	1402	my %todo;
1177		1403
1178	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1405	next unless -r $path;
…		…
1197		1423
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1426
1201	$ext{source} =	1427	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1204	. $source	1430	. $source
1205	. "\n};\n1";	1431	. "\n};\n1";
1206		1432
1207	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1208	}	1434	}
1209		1435
		1436	my $pass = 0;
1210	my %done;	1437	my %done;
1211	while (%todo) {	1438	while (%todo) {
1212	my $progress;	1439	my $progress;
1213		1440
		1441	++$pass;
		1442
		1443	ext:
1214	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1446	next ext
1217	unless exists $done{$_};	1447	unless exists $done{$_};
1218	}	1448	}
1219		1449
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1451
1222	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1225		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1227	warn $msg;	1460
1228	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1462	delete $todo{$k};
1230	}	1463	} else {
1231		1464	$done{$k} = delete $todo{$k};
1232	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1233	}	1470	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1471	}
1239		1472
1240	skip:	1473	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1243	}	1481	}
1244	};	1482	};
1245	}	1483	}
1246		1484
1247	#############################################################################	1485	#############################################################################
1248		1486
1249	=back	1487	=back
1250		1488
1251	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1252		1490
1253	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1254		1492
1255	=cut	1493	=cut
1256		1494
1257	package cf::player;	1495	package cf::player;
1258		1496
1259	use Coro::AIO;	1497	use Coro::AIO;
1260		1498
1261	=head3 cf::player	1499	=head3 cf::player
1262		1500
1263	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1264		1516
1265	=item cf::player::find $login	1517	=item cf::player::find $login
1266		1518
1267	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1268		1520
…		…
1287		1539
1288	sub exists($) {	1540	sub exists($) {
1289	my ($login) = @_;	1541	my ($login) = @_;
1290		1542
1291	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1293	}	1545	}
1294		1546
1295	sub find($) {	1547	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1549	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1560
1309	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1312	}	1570	}
1313	}	1571	}
1314	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1315		1586
1316	sub save($) {	1587	sub save($) {
1317	my ($pl) = @_;	1588	my ($pl) = @_;
1318		1589
1319	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1323		1594
1324	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1325		1596
1326	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1604
1329	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1606	cf::cede_to_tick;
1331	}	1607	}
1332		1608
…		…
1364	my ($pl) = @_;	1640	my ($pl) = @_;
1365		1641
1366	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1367		1643
1368	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1646
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1375		1652
1376	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1690	or return [];
1414		1691
1415	my @logins;	1692	my @logins;
1416		1693
1417	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1421		1704
1422	utf8::decode $login;	1705	utf8::decode $login;
1423	push @logins, $login;	1706	push @logins, $login;
1424	}	1707	}
1425		1708
1426	\@logins	1709	\@logins
1427	}	1710	}
1428		1711
1429	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1430		1715
1431	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1432	player. May block.	1717	player. May block.
1433		1718
1434	=cut	1719	=cut
…		…
1452	}	1737	}
1453		1738
1454	\@paths	1739	\@paths
1455	}	1740	}
1456		1741
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1743
1459	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1745
1507	=item $player->ext_reply ($msgid, @msg)	1746	=item $player->ext_reply ($msgid, @msg)
1508		1747
1509	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1510		1749
…		…
1542		1781
1543	=cut	1782	=cut
1544		1783
1545	sub find_by_path($) {	1784	sub find_by_path($) {
1546	my ($path) = @_;	1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
1547		1788
1548	my ($match, $specificity);	1789	my ($match, $specificity);
1549		1790
1550	for my $region (list) {	1791	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1792	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1579		1820
1580	sub generate_random_map {	1821	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1582	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1827	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1605		1849
1606	sub register {	1850	sub register {
1607	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1852	my $pkg = caller;
1609		1853
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1855
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1857	}
1615		1858
1616	# also paths starting with '/'	1859	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1861
1619	sub thawer_merge {	1862	sub thawer_merge {
1620	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1621		1864
1622	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1708		1951
1709	# the temporary/swap location	1952	# the temporary/swap location
1710	sub save_path {	1953	sub save_path {
1711	my ($self) = @_;	1954	my ($self) = @_;
1712		1955
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1715	}	1958	}
1716		1959
1717	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1718	sub uniq_path {	1961	sub uniq_path {
1719	my ($self) = @_;	1962	my ($self) = @_;
1720		1963
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1966	}
1733		1967
1734	sub decay_objects {	1968	sub decay_objects {
1735	my ($self) = @_;	1969	my ($self) = @_;
1736		1970
…		…
1749		1983
1750	sub load_header_from($) {	1984	sub load_header_from($) {
1751	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1752		1986
1753	utf8::encode $path;	1987	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1759		1996
1760	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1761		1998
1762	1	1999	1
1763	}	2000	}
…		…
1817	sub find {	2054	sub find {
1818	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1819		2056
1820	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1821		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2061
1824	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1827	or return;	2064	or return;
1828		2065
1829	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1830		2067
…		…
1832	or return;	2069	or return;
1833		2070
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1837	$map->reset;	2076	$map->reset;
1838	undef $guard;
1839	return find $path;	2077	return find $path;
1840	}	2078	}
1841		2079
1842	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1843	}	2081	}
1844	}	2082	}
1845		2083
1846	sub pre_load { }	2084	sub pre_load { }
1847	sub post_load { }	2085	#sub post_load { } # XS
1848		2086
1849	sub load {	2087	sub load {
1850	my ($self) = @_;	2088	my ($self) = @_;
1851		2089
1852	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1853		2091
1854	my $path = $self->{path};	2092	my $path = $self->{path};
1855		2093
1856	{	2094	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2096
		2097	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2099
1862	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1863		2101
1864	$self->alloc;	2102	$self->alloc;
1865		2103
1866	$self->pre_load;	2104	$self->pre_load;
1867	cf::cede_to_tick;	2105	cf::cede_to_tick;
1868		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1870	or return;	2110	or return;
1871		2111
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1873	if delete $self->{load_original};	2113	if delete $self->{load_original};
1874		2114
1875	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2116	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2119	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1880	}	2123	}
1881	}	2124	}
		2125
		2126	$f->resolve_delayed_derefs;
1882		2127
1883	cf::cede_to_tick;	2128	cf::cede_to_tick;
1884	# now do the right thing for maps	2129	# now do the right thing for maps
1885	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
…		…
1890	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2136	$self->decay_objects;
1892	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1893	$self->update_buttons;	2138	$self->update_buttons;
1894	cf::cede_to_tick;	2139	cf::cede_to_tick;
1895	$self->set_darkness_map;
1896	cf::cede_to_tick;
1897	$self->activate;	2140	$self->activate;
1898	}	2141	}
1899		2142
1900	$self->{last_save} = $cf::RUNTIME;	2143	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2144	$self->last_access ($cf::RUNTIME);
1902		2145
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2147	}
1905		2148
1906	$self->post_load;	2149	$self->post_load;
1907	}	2150	}
1908		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1909	sub customise_for {	2155	sub customise_for {
1910	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1911		2157
1912	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1913	if $self->per_player;	2159	if $self->per_player;
…		…
1929	or next;	2175	or next;
1930	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1931	or next;	2177	or next;
1932	$neigh->load;	2178	$neigh->load;
1933		2179
		2180	# now find the diagonal neighbours
1934	push @neigh,	2181	push @neigh,
1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1937	}	2184	}
1938		2185
…		…
1945	}	2192	}
1946		2193
1947	sub find_sync {	2194	sub find_sync {
1948	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1949		2196
1950	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1951	}	2201	}
1952		2202
1953	sub do_load_sync {	2203	sub do_load_sync {
1954	my ($map) = @_;	2204	my ($map) = @_;
1955		2205
1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1957	if $Coro::current == $Coro::main;	2207	if $Coro::current == $Coro::main;
1958		2208
1959	cf::sync_job { $map->load };	2209	$map->load;
1960	}	2210	}
1961		2211
1962	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1963	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1964		2214
…		…
1966	my ($path, $origin, $load) = @_;	2216	my ($path, $origin, $load) = @_;
1967		2217
1968	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1969		2219
1970	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2222	}
1973		2223
1974	$MAP_PREFETCH{$path} |= $load;	2224	$MAP_PREFETCH{$path} |= $load;
1975		2225
1976	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1977	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2231	if (my $map = find $k) {
1980	$map->load if $v;	2232	$map->load if $v;
1981	}	2233	}
…		…
1988	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1989		2241
1990	()	2242	()
1991	}	2243	}
1992		2244
		2245	# common code, used by both ->save and ->swapout
1993	sub save {	2246	sub _save {
1994	my ($self) = @_;	2247	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2248
1998	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1999		2250
2000	return unless $self->dirty;	2251	return unless $self->dirty;
2001		2252
…		…
2007	return if $self->{deny_save};	2258	return if $self->{deny_save};
2008		2259
2009	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
2010		2261
2011	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
2013	};	2265	};
		2266
		2267	cf::get_slot 0.02;
2014		2268
2015	if ($uniq) {	2269	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2272	} else {
2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2020	}	2274	}
2021	}	2275	}
2022		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
2023	sub swap_out {	2285	sub swap_out {
2024	my ($self) = @_;	2286	my ($self) = @_;
2025		2287
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
2031	return if $self->players;	2292	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
2035	$self->clear;	2303	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2304	}
2038		2305
2039	sub reset_at {	2306	sub reset_at {
2040	my ($self) = @_;	2307	my ($self) = @_;
2041		2308
…		…
2059		2326
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2328
2062	return if $self->players;	2329	return if $self->players;
2063		2330
2064	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
2065		2332
2066	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
2067		2334
2068	# need to save uniques path	2335	# need to save uniques path
2069	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2340	if $uniq;
2074	}	2341	}
2075		2342
2076	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
2077		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2347	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2348
2082	$self->unlink_save;	2349	$self->unlink_save;
2083	$self->destroy;	2350	$self->destroy;
2084	}	2351	}
2085		2352
…		…
2093		2360
2094	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2095		2362
2096	$self->unlink_save;	2363	$self->unlink_save;
2097		2364
2098	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2099	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2100	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2101	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2103		2370
…		…
2152		2419
2153	sub unique_maps() {	2420	sub unique_maps() {
2154	[	2421	[
2155	map {	2422	map {
2156	utf8::decode $_;	2423	utf8::decode $_;
2157	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2158	? normalise $_	2427	: normalise $_
2159	: ()
2160	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2161	]	2429	]
2162	}	2430	}
2163		2431
2164	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2165		2463
2166	=back	2464	=back
2167		2465
2168	=head3 cf::object	2466	=head3 cf::object
2169		2467
…		…
2173		2471
2174	=over 4	2472	=over 4
2175		2473
2176	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2177		2475
2178	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2179		2478
2180	=cut	2479	=cut
2181		2480
2182	sub inv_recursive_;	2481	sub inv_recursive_;
2183	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2186		2485
2187	sub inv_recursive {	2486	sub inv_recursive {
2188	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2189	}	2488	}
2190		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2191	package cf;	2518	package cf;
2192		2519
2193	=back	2520	=back
2194		2521
2195	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2201	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2202	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2203	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2204		2531
2205	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2206		2547
2207	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2208	# with dialog boxes.	2549	# with dialog boxes.
2209	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2210	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2222	my $dialog = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224		2565
2225	} else {	2566	} else {
2226	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2227	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228	}	2569	}
2229	}	2570	}
2230	}	2571	}
2231		2572
2232	=item $object->send_msg ($channel, $msg, $color, [extra...])	2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2257		2598
2258	=item $player_object->enter_link	2599	=item $player_object->enter_link
2259		2600
2260	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2261		2602
2262	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
2263	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2264		2607
2265	Will never block.	2608	Will never block.
2266		2609
2267	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2268		2611
…		…
2288	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2289	my ($self) = @_;	2632	my ($self) = @_;
2290		2633
2291	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2292		2635
		2636	++$self->{_link_recursion};
		2637
2293	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2294		2639
2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2296	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2297		2642
2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2299	}	2644	}
2300		2645
2301	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2302	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2303		2648
…		…
2320	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2321	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2322		2667
2323	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2324	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2325	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2326		2671
2327	$map->load;	2672	$map->load;
2328	$map->load_neighbours;	2673	$map->load_neighbours;
2329		2674
2330	return unless $self->contr->active;	2675	return unless $self->contr->active;
2331	$self->activate_recursive;
2332		2676
2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2335	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2336		2684
		2685	}
		2686
2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2338		2688
2339	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
2340	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2341	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
2342	the new (success) or old (failed) map position. In either case, $done will	2692	the new (success) or old (failed) map position. In either case, $done will
2343	be called at the end of this process.	2693	be called at the end of this process.
2344		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
2345	=cut	2698	=cut
2346		2699
2347	our $GOTOGEN;	2700	our $GOTOGEN;
2348		2701
2349	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2350	my ($self, $path, $x, $y, $check, $done) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
2351		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
2352	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354		2713
2355	$self->enter_link;	2714	$self->enter_link;
2356		2715
2357	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2358	my $map = eval {	2738	my $map = eval {
2359	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2360		2740
2361	if ($map) {	2741	if ($map) {
2362	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2363	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2364	} else {	2744	} else {
2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366	}	2746	}
2367		2747
2368	$map	2748	$map
2369	};	2749	};
2370		2750
…		…
2376	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2377	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2378	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2379	}	2759	}
2380		2760
2381	$done->() if $done;	2761	$done->($self) if $done;
2382	})->prio (1);	2762	})->prio (1);
2383	}	2763	}
2384		2764
2385	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2386		2766
…		…
2406	}	2786	}
2407		2787
2408	sub prepare_random_map {	2788	sub prepare_random_map {
2409	my ($exit) = @_;	2789	my ($exit) = @_;
2410		2790
2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2414	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2415	# that depends on the exit object	2793	# that depends on the exit object
2416		2794
2417	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2419	if ($exit->map) {	2797	if ($exit->map) {
2420	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2421	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2422	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2423	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2424	}	2804	}
2425		2805
2426	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2427		2807
2428	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2430	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2431		2811
2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2434	undef $fh;	2814	undef $fh;
2435	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2436		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2437	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2438	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2439	}	2823	}
2440	}	2824	}
2441		2825
2442	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2443	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2444		2828
2445	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2446		2830
2447	if ($exit->slaying eq "/!") {
2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
2449	# the problem is that $exit might not survive long enough
2450	# so it needs to be done right now, right here
2451	cf::sync_job { prepare_random_map $exit };
2452	}
2453
2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455	my $hp = $exit->stats->hp;
2456	my $sp = $exit->stats->sp;
2457
2458	$self->enter_link;	2831	$self->enter_link;
2459		2832
2460	# if exit is damned, update players death & WoR home-position
2461	$self->contr->savebed ($slaying, $hp, $sp)
2462	if $exit->flag (FLAG_DAMNED);
2463
2464	(async {	2833	(async {
2465	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2466	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2467	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2468		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2469	1;	2857	1
2470	}) {	2858	}) {
2471	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2472	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2473	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2474	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2475		2863
2476	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2477	$self->leave_link;	2865	$self->leave_link;
2478	}	2866	}
2479	})->prio (1);	2867	})->prio (1);
2480	}	2868	}
2481		2869
…		…
2493	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
2494	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
2495		2883
2496	utf8::encode $text;	2884	utf8::encode $text;
2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2886	}
		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
2498	}	2911	}
2499		2912
2500	=item $client->send_msg ($channel, $msg, $color, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2501		2914
2502	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2504	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2505	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2506		2919
2507	=cut	2920	=cut
2508		2921
		2922	# non-persistent channels (usually the info channel)
2509	our %CHANNEL = (	2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
2510	"c/identify" => {	2930	"c/identify" => {
2511	id => "identify",	2931	id => "infobox",
2512	title => "Identify",	2932	title => "Identify",
2513	reply => undef,	2933	reply => undef,
2514	tooltip => "Items recently identified",	2934	tooltip => "Items recently identified",
2515	},	2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
2516	);	3034	);
2517		3035
2518	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2519	my ($self, $channel, $msg, $color, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2520		3038
2521	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2522		3041
2523	$color &= cf::NDI_CLIENT_MASK; # just in case...	3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
2524		3043
2525	# check predefined channels, for the benefit of C	3044	# check predefined channels, for the benefit of C
2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
2527		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
2528	if (ref $channel) {	3051	} elsif (ref $channel) {
2529	# send meta info to client, if not yet sent	3052	# send meta info to client, if not yet sent
2530	unless (exists $self->{channel}{$channel->{id}}) {	3053	unless (exists $self->{channel}{$channel->{id}}) {
2531	$self->{channel}{$channel->{id}} = $channel;	3054	$self->{channel}{$channel->{id}} = $channel;
2532	$self->ext_msg (channel_info => $channel);	3055	$self->ext_msg (channel_info => $channel);
2533	}	3056	}
…		…
2535	$channel = $channel->{id};	3058	$channel = $channel->{id};
2536	}	3059	}
2537		3060
2538	return unless @extra || length $msg;	3061	return unless @extra || length $msg;
2539		3062
2540	if ($self->can_msg) {
2541	# default colour, mask it out	3063	# default colour, mask it out
2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2543	if $color & cf::NDI_DEF;	3065	if $color & cf::NDI_DEF;
2544		3066
2545	$self->send_packet ("msg " . $self->{json_coder}->encode (	3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3070	);
2548	if ($color >= 0) {
2549	# replace some tags by gcfclient-compatible ones
2550	for ($msg) {
2551	1 while
2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2557	}
2558		3071
2559	$color &= cf::NDI_COLOR_MASK;	3072	$self->send_big_packet ($pkt);
2560
2561	utf8::encode $msg;
2562
2563	if (0 && $msg =~ /\[/) {
2564	# COMMAND/INFO
2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
2566	} else {
2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2568	$self->send_packet ("drawinfo $color $msg")
2569	}
2570	}
2571	}
2572	}	3073	}
2573		3074
2574	=item $client->ext_msg ($type, @msg)	3075	=item $client->ext_msg ($type, @msg)
2575		3076
2576	Sends an ext event to the client.	3077	Sends an ext event to the client.
…		…
2579		3080
2580	sub cf::client::ext_msg($$@) {	3081	sub cf::client::ext_msg($$@) {
2581	my ($self, $type, @msg) = @_;	3082	my ($self, $type, @msg) = @_;
2582		3083
2583	if ($self->extcmd == 2) {	3084	if ($self->extcmd == 2) {
2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2585	} elsif ($self->extcmd == 1) { # TODO: remove	3086	} elsif ($self->extcmd == 1) { # TODO: remove
2586	push @msg, msgtype => "event_$type";	3087	push @msg, msgtype => "event_$type";
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3089	}
2589	}	3090	}
2590		3091
2591	=item $client->ext_reply ($msgid, @msg)	3092	=item $client->ext_reply ($msgid, @msg)
2592		3093
…		…
2596		3097
2597	sub cf::client::ext_reply($$@) {	3098	sub cf::client::ext_reply($$@) {
2598	my ($self, $id, @msg) = @_;	3099	my ($self, $id, @msg) = @_;
2599		3100
2600	if ($self->extcmd == 2) {	3101	if ($self->extcmd == 2) {
2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2602	} elsif ($self->extcmd == 1) {	3103	} elsif ($self->extcmd == 1) {
2603	#TODO: version 1, remove	3104	#TODO: version 1, remove
2604	unshift @msg, msgtype => "reply", msgid => $id;	3105	unshift @msg, msgtype => "reply", msgid => $id;
2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2606	}	3107	}
2607	}	3108	}
2608		3109
2609	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2610		3111
…		…
2681		3182
2682	$ns->ext_reply ($reply, @reply)	3183	$ns->ext_reply ($reply, @reply)
2683	if $reply;	3184	if $reply;
2684		3185
2685	} else {	3186	} else {
2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2687	}	3188	}
2688		3189
2689	cf::override;	3190	cf::override;
2690	},	3191	},
2691	);	3192	);
…		…
2711		3212
2712	$coro	3213	$coro
2713	}	3214	}
2714		3215
2715	cf::client->attach (	3216	cf::client->attach (
2716	on_destroy => sub {	3217	on_client_destroy => sub {
2717	my ($ns) = @_;	3218	my ($ns) = @_;
2718		3219
2719	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2720	},	3221	},
2721	);	3222	);
…		…
2737	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2738		3239
2739	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2740		3241
2741	$safe->permit_only (Opcode::opset qw(	3242	$safe->permit_only (Opcode::opset qw(
2742	:base_core :base_mem :base_orig :base_math	3243	:base_core :base_mem :base_orig :base_math :base_loop
2743	grepstart grepwhile mapstart mapwhile	3244	grepstart grepwhile mapstart mapwhile
2744	sort time	3245	sort time
2745	));	3246	));
2746		3247
2747	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
…		…
2749	=pod	3250	=pod
2750		3251
2751	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2752		3253
2753	cf::object	3254	cf::object
2754	contr pay_amount pay_player map x y force_find force_add	3255	contr pay_amount pay_player map x y force_find force_add destroy
2755	insert remove name archname title slaying race decrease_ob_nr	3256	insert remove name archname title slaying race decrease split
		3257	value
2756		3258
2757	cf::object::player	3259	cf::object::player
2758	player	3260	player
2759		3261
2760	cf::player	3262	cf::player
…		…
2765		3267
2766	=cut	3268	=cut
2767		3269
2768	for (	3270	for (
2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2770	insert remove inv name archname title slaying race	3272	insert remove inv nrof name archname title slaying race
2771	decrease_ob_nr)],	3273	decrease split destroy change_exp value msg lore send_msg)],
2772	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2773	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2774	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2775	) {	3277	) {
2776	no strict 'refs';
2777	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2778	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2779	for @funs;	3280	for @funs;
2780	}	3281	}
2781		3282
…		…
2796		3297
2797	my $qcode = $code;	3298	my $qcode = $code;
2798	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2799	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2800		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2801	local $_;	3305	local $_;
2802	local @safe::cf::_safe_eval_args = values %vars;
2803		3306
2804	my $eval =	3307	my $eval =
2805	"do {\n"	3308	"do {\n"
2806	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2807	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2808	. $code	3311	. $code
2809	. "\n}"	3312	. "\n}"
2810	;	3313	;
2811		3314
		3315	if ($CFG{safe_eval}) {
2812	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2813	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2814	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2815		3324
2816	if ($@) {	3325	if ($@) {
2817	warn "$@";	3326	warn "$@",
2818	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2819	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2820	}	3329	}
2821		3330
2822	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2823	}	3332	}
2824		3333
…		…
2838	=cut	3347	=cut
2839		3348
2840	sub register_script_function {	3349	sub register_script_function {
2841	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2842		3351
2843	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2844	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2845	}	3354	}
2846		3355
2847	=back	3356	=back
2848		3357
2849	=cut	3358	=cut
2850		3359
2851	#############################################################################	3360	#############################################################################
2852	# the server's init and main functions	3361	# the server's init and main functions
		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
		3378
		3379	$data = "#line 1 $dir/$mod\n$data";
		3380
		3381	open my $fh, "<", \$data or die;
		3382
		3383	return $fh;
		3384	}
		3385
		3386	()
		3387	}
		3388
		3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3392
		3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
		3395
		3396	# execute some stuff so perl load's some of the core modules
		3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
		3399
		3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3401
		3402	debug "module loading will be asynchronous from this point on.";
		3403	}
2853		3404
2854	sub load_facedata($) {	3405	sub load_facedata($) {
2855	my ($path) = @_;	3406	my ($path) = @_;
2856		3407
2857	# HACK to clear player env face cache, we need some signal framework	3408	# HACK to clear player env face cache, we need some signal framework
2858	# for this (global event?)	3409	# for this (global event?)
2859	%ext::player_env::MUSIC_FACE_CACHE = ();	3410	%ext::player_env::MUSIC_FACE_CACHE = ();
2860		3411
2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2862		3413
2863	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2864		3415
2865	my $facedata;	3416	my $facedata;
2866	0 < aio_load $path, $facedata	3417	0 < aio_load $path, $facedata
2867	or die "$path: $!";	3418	or die "$path: $!";
2868		3419
…		…
2870		3421
2871	$facedata->{version} == 2	3422	$facedata->{version} == 2
2872	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2873		3424
2874	# patch in the exptable	3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2875	$facedata->{resource}{"res/exp_table"} = {	3427	$facedata->{resource}{"res/exp_table"} = {
2876	type => FT_RSRC,	3428	type => FT_RSRC,
2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
2878	};	3431	};
2879	cf::cede_to_tick;	3432	cf::cede_to_tick;
2880		3433
2881	{	3434	{
2882	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2883		3436
2884	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2886	cf::face::set_visibility $idx, $info->{visibility};	3440	cf::face::set_visibility $idx, $info->{visibility};
2887	cf::face::set_magicmap $idx, $info->{magicmap};	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2890		3444
2891	cf::cede_to_tick;	3445	cf::cede_to_tick;
2892	}	3446	}
2893		3447
2894	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2895	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2896	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2897	or next;	3452	or next;
		3453
2898	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
2899	cf::face::set_smooth $idx, $smooth;	3455	cf::face::set_smooth $idx, $smooth;
2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2901	} else {	3457	} else {
2902	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2903	}	3459	}
2904		3460
2905	cf::cede_to_tick;	3461	cf::cede_to_tick;
2906	}	3462	}
2907	}	3463	}
…		…
2916		3472
2917	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2918	}	3474	}
2919		3475
2920	{	3476	{
2921	# TODO: for gcfclient pleasure, we should give resources
2922	# that gcfclient doesn't grok a >10000 face index.
2923	my $res = $facedata->{resource};	3477	my $res = $facedata->{resource};
2924		3478
2925	my $soundconf = delete $res->{"res/sound.conf"};
2926
2927	while (my ($name, $info) = each %$res) {	3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2929	my $data;
2930		3482
2931	if ($info->{type} & 1) {	3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2932	# prepend meta info	3484	cf::face::set_type $idx, $info->{type};
2933
2934	my $meta = $enc->encode ({
2935	name => $name,
2936	%{ $info->{meta} || {} },
2937	});
2938
2939	$data = pack "(w/a*)*", $meta, $info->{data};
2940	} else {	3485	} else {
2941	$data = $info->{data};	3486	$RESOURCE{$name} = $info; # unused
2942	}	3487	}
2943		3488
2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2945	cf::face::set_type $idx, $info->{type};
2946
2947	cf::cede_to_tick;	3489	cf::cede_to_tick;
2948	}	3490	}
2949
2950	if ($soundconf) {
2951	$soundconf = $enc->decode (delete $soundconf->{data});
2952
2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2954	my $sound = $soundconf->{compat}[$_]
2955	or next;
2956
2957	my $face = cf::face::find "sound/$sound->[1]";
2958	cf::sound::set $sound->[0] => $face;
2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2960	}
2961
2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
2963	my $face = cf::face::find "sound/$v";
2964	cf::sound::set $k => $face;
2965	}
2966	}
2967	}	3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2968		3494
2969	1	3495	1
2970	}	3496	}
2971		3497
2972	register_exticmd fx_want => sub {	3498	register_exticmd fx_want => sub {
…		…
2974		3500
2975	while (my ($k, $v) = each %$want) {	3501	while (my ($k, $v) = each %$want) {
2976	$ns->fx_want ($k, $v);	3502	$ns->fx_want ($k, $v);
2977	}	3503	}
2978	};	3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
2979		3515
2980	sub reload_regions {	3516	sub reload_regions {
2981	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
2982	# for this (global event?)	3518	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2997	}	3533	}
2998		3534
2999	sub reload_archetypes {	3535	sub reload_archetypes {
3000	load_resource_file "$DATADIR/archetypes"	3536	load_resource_file "$DATADIR/archetypes"
3001	or die "unable to load archetypes\n";	3537	or die "unable to load archetypes\n";
3002	#d# NEED to laod twice to resolve forward references
3003	# this really needs to be done in an extra post-pass
3004	# (which needs to be synchronous, so solve it differently)
3005	load_resource_file "$DATADIR/archetypes"
3006	or die "unable to load archetypes\n";
3007	}	3538	}
3008		3539
3009	sub reload_treasures {	3540	sub reload_treasures {
3010	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
3011	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
3012	}	3543	}
3013		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
3014	sub reload_resources {	3568	sub reload_resources {
3015	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
3016		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
3017	reload_regions;	3574	reload_regions;
3018	reload_facedata;
3019	#reload_archetypes;#d#
3020	reload_archetypes;
3021	reload_treasures;	3575	reload_treasures;
3022		3576
3023	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
3024	}
3025
3026	sub init {
3027	reload_resources;
3028	}	3578	}
3029		3579
3030	sub reload_config {	3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
3031	open my $fh, "<:utf8", "$CONFDIR/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
3032	or return;	3584	or return;
3033		3585
3034	local $/;	3586	local $/;
3035	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
3036		3588
3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3038		3590
3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3041		3593
3042	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
3044	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3045	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
3046	};	3598	};
3047	warn $@ if $@;	3599	warn $@ if $@;
3048	}	3600	}
		3601
		3602	trace "finished reloading resource files\n";
		3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
3049	}	3631	}
3050		3632
3051	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
3052	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
3053	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3055	(async {	3646	(async {
3056	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
3057	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
3058	};	3650	};
3059		3651
		3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
3060	reload_config;	3666	reload_config;
3061	db_init;	3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
3062	load_extensions;	3677	load_extensions;
3063		3678
3064	$TICK_WATCHER->start;	3679	utime time, time, $RUNTIMEFILE;
3065	Event::loop;	3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
3066	}	3697	}
3067		3698
3068	#############################################################################	3699	#############################################################################
3069	# initialisation and cleanup	3700	# initialisation and cleanup
3070		3701
3071	# install some emergency cleanup handlers	3702	# install some emergency cleanup handlers
3072	BEGIN {	3703	BEGIN {
		3704	our %SIGWATCHER = ();
3073	for my $signal (qw(INT HUP TERM)) {	3705	for my $signal (qw(INT HUP TERM)) {
3074	Event->signal (	3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3075	reentrant => 0,
3076	data => WF_AUTOCANCEL,
3077	signal => $signal,
3078	prio => 0,
3079	cb => sub {
3080	cf::cleanup "SIG$signal";	3707	cf::cleanup "SIG$signal";
3081	},
3082	);	3708	};
3083	}	3709	}
3084	}	3710	}
3085		3711
3086	sub write_runtime {	3712	sub write_runtime_sync {
3087	my $runtime = "$LOCALDIR/runtime";	3713	my $t0 = AE::time;
3088		3714
3089	# first touch the runtime file to show we are still running:	3715	# first touch the runtime file to show we are still running:
3090	# the fsync below can take a very very long time.	3716	# the fsync below can take a very very long time.
3091		3717
3092	IO::AIO::aio_utime $runtime, undef, undef;	3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3093		3719
3094	my $guard = cf::lock_acquire "write_runtime";	3720	my $guard = cf::lock_acquire "write_runtime";
3095		3721
3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3097	or return;	3723	or return;
3098		3724
3099	my $value = $cf::RUNTIME + 90 + 10;	3725	my $value = $cf::RUNTIME + 90 + 10;
3100	# 10 is the runtime save interval, for a monotonic clock	3726	# 10 is the runtime save interval, for a monotonic clock
3101	# 60 allows for the watchdog to kill the server.	3727	# 60 allows for the watchdog to kill the server.
…		…
3111	aio_utime $fh, undef, undef;	3737	aio_utime $fh, undef, undef;
3112		3738
3113	close $fh	3739	close $fh
3114	or return;	3740	or return;
3115		3741
3116	aio_rename "$runtime~", $runtime	3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3117	and return;	3743	and return;
3118		3744
3119	warn "runtime file written.\n";	3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3120		3746
3121	1	3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
3122	}	3798	}
3123		3799
3124	sub emergency_save() {	3800	sub emergency_save() {
3125	my $freeze_guard = cf::freeze_mainloop;	3801	my $freeze_guard = cf::freeze_mainloop;
3126		3802
3127	warn "enter emergency perl save\n";	3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
3128		3809
3129	cf::sync_job {	3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
3130	# use a peculiar iteration method to avoid tripping on perl	3813	# use a peculiar iteration method to avoid tripping on perl
3131	# refcount bugs in for. also avoids problems with players	3814	# refcount bugs in for. also avoids problems with players
3132	# and maps saved/destroyed asynchronously.	3815	# and maps saved/destroyed asynchronously.
3133	warn "begin emergency player save\n";	3816	info "emergency_perl_save: begin player save\n";
3134	for my $login (keys %cf::PLAYER) {	3817	for my $login (keys %cf::PLAYER) {
3135	my $pl = $cf::PLAYER{$login} or next;	3818	my $pl = $cf::PLAYER{$login} or next;
3136	$pl->valid or next;	3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3137	$pl->save;	3821	$pl->save;
3138	}	3822	}
3139	warn "end emergency player save\n";	3823	info "emergency_perl_save: end player save\n";
3140		3824
3141	warn "begin emergency map save\n";	3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
3142	for my $path (keys %cf::MAP) {	3828	for my $path (keys %cf::MAP) {
3143	my $map = $cf::MAP{$path} or next;	3829	my $map = $cf::MAP{$path} or next;
3144	$map->valid or next;	3830	$map->valid or next;
3145	$map->save;	3831	$map->save;
3146	}	3832	}
3147	warn "end emergency map save\n";	3833	info "emergency_perl_save: end map save\n";
3148		3834
3149	warn "begin emergency database checkpoint\n";	3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
3150	BDB::db_env_txn_checkpoint $DB_ENV;	3838	BDB::db_env_txn_checkpoint $DB_ENV;
3151	warn "end emergency database checkpoint\n";	3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
3152	};	3863	};
3153		3864
3154	warn "leave emergency perl save\n";	3865	info "emergency_perl_save: leave\n";
3155	}	3866	}
3156		3867
3157	sub post_cleanup {	3868	sub post_cleanup {
3158	my ($make_core) = @_;	3869	my ($make_core) = @_;
3159		3870
		3871	IO::AIO::flush;
		3872
3160	warn Carp::longmess "post_cleanup backtrace"	3873	error Carp::longmess "post_cleanup backtrace"
3161	if $make_core;	3874	if $make_core;
		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
3162	}	3903	}
3163		3904
3164	sub do_reload_perl() {	3905	sub do_reload_perl() {
3165	# can/must only be called in main	3906	# can/must only be called in main
3166	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
3167	warn "can only reload from main coroutine";	3908	error "can only reload from main coroutine";
3168	return;	3909	return;
3169	}	3910	}
3170		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
3171	warn "reloading...";	3917	info "reloading...";
3172		3918
3173	warn "entering sync_job";	3919	trace "entering sync_job";
3174		3920
3175	cf::sync_job {	3921	cf::sync_job {
3176	cf::write_runtime; # external watchdog should not bark
3177	cf::emergency_save;	3922	cf::emergency_save;
3178	cf::write_runtime; # external watchdog should not bark
3179		3923
3180	warn "syncing database to disk";
3181	BDB::db_env_txn_checkpoint $DB_ENV;
3182
3183	# if anything goes wrong in here, we should simply crash as we already saved
3184
3185	warn "cancelling all WF_AUTOCANCEL watchers";
3186	for (Event::all_watchers) {
3187	$_->cancel if $_->data & WF_AUTOCANCEL;
3188	}
3189
3190	warn "flushing outstanding aio requests";
3191	for (;;) {
3192	BDB::flush;
3193	IO::AIO::flush;
3194	Coro::cede;
3195	last unless IO::AIO::nreqs || BDB::nreqs;
3196	warn "iterate...";
3197	}
3198
3199	++$RELOAD;
3200
3201	warn "cancelling all extension coros";	3924	trace "cancelling all extension coros";
3202	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
3203	%EXT_CORO = ();	3926	%EXT_CORO = ();
3204		3927
3205	warn "removing commands";	3928	trace "removing commands";
3206	%COMMAND = ();	3929	%COMMAND = ();
3207		3930
3208	warn "removing ext/exti commands";	3931	trace "removing ext/exti commands";
3209	%EXTCMD = ();	3932	%EXTCMD = ();
3210	%EXTICMD = ();	3933	%EXTICMD = ();
3211		3934
3212	warn "unloading/nuking all extensions";	3935	trace "unloading/nuking all extensions";
3213	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
3214	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
3215		3938
3216	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
3217	eval {	3940	eval {
3218	$cb->($pkg);	3941	$cb->($pkg);
3219	1	3942	1
3220	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
3221	}	3948	}
3222		3949
3223	warn "... nuking $pkg";
3224	Symbol::delete_package $pkg;
3225	}
3226
3227	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "unloading all perl modules loaded from $LIBDIR";
3228	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3230		3953
3231	warn "... unloading $k";	3954	trace "... unloading $k";
3232	delete $INC{$k};	3955	delete $INC{$k};
3233		3956
3234	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
3235	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
3236		3959
3237	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
3238	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
3239	}	3965	}
3240		3966
3241	Symbol::delete_package $k;
3242	}
3243
3244	warn "getting rid of safe::, as good as possible";	3967	trace "getting rid of safe::, as good as possible";
3245	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3247		3970
3248	warn "unloading cf.pm \"a bit\"";	3971	trace "unloading cf.pm \"a bit\"";
3249	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
3250	delete $INC{"cf/pod.pm"};	3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3251		3974
3252	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
3253	# and global variables created in xs	3976	# and global variables created in xs
3254	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
3255		3978
3256	warn "unload completed, starting to reload now";	3979	info "unload completed, starting to reload now";
3257		3980
3258	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
3259	require cf;	3982	require cf;
3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
3261		3984
3262	warn "loading config and database again";	3985	trace "loading config and database again";
3263	cf::reload_config;	3986	cf::reload_config;
3264		3987
3265	warn "loading extensions";	3988	trace "loading extensions";
3266	cf::load_extensions;	3989	cf::load_extensions;
3267		3990
		3991	if ($REATTACH_ON_RELOAD) {
3268	warn "reattaching attachments to objects/players";	3992	trace "reattaching attachments to objects/players";
3269	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
3270	warn "reattaching attachments to maps";	3994	trace "reattaching attachments to maps";
3271	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
3272	warn "reattaching attachments to players";	3996	trace "reattaching attachments to players";
3273	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
3274		3999
		4000	trace "running post_init jobs";
		4001	(pop @POST_INIT)->(1) while @POST_INIT;
		4002
3275	warn "leaving sync_job";	4003	trace "leaving sync_job";
3276		4004
3277	1	4005	1
3278	} or do {	4006	} or do {
3279	warn $@;	4007	error $@;
3280	warn "error while reloading, exiting.";	4008	cf::cleanup "error while reloading, exiting.";
3281	exit 1;	4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
3282	};	4013	}
3283		4014
3284	warn "reloaded";	4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
3285	};	4017	};
3286		4018
3287	our $RELOAD_WATCHER; # used only during reload	4019	our $RELOAD_WATCHER; # used only during reload
3288		4020
3289	sub reload_perl() {	4021	sub reload_perl() {
3290	# doing reload synchronously and two reloads happen back-to-back,	4022	# doing reload synchronously and two reloads happen back-to-back,
3291	# coro crashes during coro_state_free->destroy here.	4023	# coro crashes during coro_state_free->destroy here.
3292		4024
3293	$RELOAD_WATCHER ||= Event->timer (	4025	$RELOAD_WATCHER ||= cf::async {
3294	reentrant => 0,	4026	Coro::AIO::aio_wait cache_extensions;
3295	after => 0,	4027
3296	data => WF_AUTOCANCEL,	4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3297	cb => sub {
3298	do_reload_perl;	4029	do_reload_perl;
3299	undef $RELOAD_WATCHER;	4030	undef $RELOAD_WATCHER;
3300	},	4031	};
3301	);	4032	};
3302	}	4033	}
3303		4034
3304	register_command "reload" => sub {	4035	register_command "reload" => sub {
3305	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
3306		4037
3307	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
3308	$who->message ("reloading server.");	4039	$who->message ("reloading server.");
		4040	async {
		4041	$Coro::current->{desc} = "perl_reload";
3309	async { reload_perl };	4042	reload_perl;
		4043	};
3310	}	4044	}
3311	};	4045	};
3312		4046
3313	unshift @INC, $LIBDIR;	4047	#############################################################################
3314		4048
3315	my $bug_warning = 0;	4049	my $bug_warning = 0;
3316		4050
3317	our @WAIT_FOR_TICK;	4051	our @WAIT_FOR_TICK;
3318	our @WAIT_FOR_TICK_BEGIN;	4052	our @WAIT_FOR_TICK_BEGIN;
3319		4053
3320	sub wait_for_tick {	4054	sub wait_for_tick {
3321	return unless $TICK_WATCHER->is_active;
3322	return if $Coro::current == $Coro::main;	4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3323		4056
3324	my $signal = new Coro::Signal;	4057	my $signal = new Coro::Signal;
3325	push @WAIT_FOR_TICK, $signal;	4058	push @WAIT_FOR_TICK, $signal;
3326	$signal->wait;	4059	$signal->wait;
3327	}	4060	}
3328		4061
3329	sub wait_for_tick_begin {	4062	sub wait_for_tick_begin {
3330	return unless $TICK_WATCHER->is_active;
3331	return if $Coro::current == $Coro::main;	4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3332		4064
3333	my $signal = new Coro::Signal;	4065	my $signal = new Coro::Signal;
3334	push @WAIT_FOR_TICK_BEGIN, $signal;	4066	push @WAIT_FOR_TICK_BEGIN, $signal;
3335	$signal->wait;	4067	$signal->wait;
3336	}	4068	}
3337		4069
3338	my $min = 1e6;#d#	4070	sub tick {
3339	my $avg = 10;
3340	$TICK_WATCHER = Event->timer (
3341	reentrant => 0,
3342	parked => 1,
3343	prio => 0,
3344	at => $NEXT_TICK || $TICK,
3345	data => WF_AUTOCANCEL,
3346	cb => sub {
3347	if ($Coro::current != $Coro::main) {	4071	if ($Coro::current != $Coro::main) {
3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3349	unless ++$bug_warning > 10;	4073	unless ++$bug_warning > 10;
3350	return;	4074	return;
3351	}	4075	}
3352		4076
3353	$NOW = $tick_start = Event::time;
3354
3355	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
3356		4078
3357	0 && sync_job {#d#	4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3358	for(1..10) {
3359	my $t = Event::time;
3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3361	or die;
3362		4080
3363	$map->width (50);	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3364	$map->height (50);	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3365	$map->alloc;	4083	Coro::async_pool {
3366	$map->_load_objects ("/tmp/x.map", 1);	4084	$Coro::current->{desc} = "runtime saver";
3367	my $t = Event::time - $t;	4085	write_runtime_sync
3368		4086	or error "ERROR: unable to write runtime file: $!";
3369	#next unless $t < 0.0013;#d#
3370	if ($t < $min) {
3371	$min = $t;
3372	}
3373	$avg = $avg * 0.99 + $t * 0.01;
3374	}
3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3376	exit 0;
3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3378	};	4087	};
		4088	}
3379		4089
3380	$RUNTIME += $TICK;
3381	$NEXT_TICK += $TICK;
3382
3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
3385	Coro::async_pool {
3386	write_runtime
3387	or warn "ERROR: unable to write runtime file: $!";
3388	};
3389	}
3390
3391	# my $AFTER = Event::time;
3392	# warn $AFTER - $NOW;#d#
3393
3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3395	$sig->send;	4091	$sig->send;
3396	}	4092	}
3397	while (my $sig = shift @WAIT_FOR_TICK) {	4093	while (my $sig = shift @WAIT_FOR_TICK) {
3398	$sig->send;	4094	$sig->send;
3399	}	4095	}
3400		4096
3401	$NOW = Event::time;	4097	$LOAD = ($NOW - $TICK_START) / $TICK;
3402
3403	# if we are delayed by four ticks or more, skip them all
3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3405
3406	$TICK_WATCHER->at ($NEXT_TICK);
3407	$TICK_WATCHER->start;
3408
3409	$LOAD = ($NOW - $tick_start) / $TICK;
3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3411		4099
3412	_post_tick;	4100	if (0) {
3413		4101	if ($NEXT_TICK) {
3414		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
		4105	}
3415	},	4106	}
3416	);	4107	}
3417		4108
3418	{	4109	{
3419	BDB::max_poll_time $TICK * 0.1;	4110	# configure BDB
3420	$BDB_POLL_WATCHER = Event->io (	4111
3421	reentrant => 0,
3422	fd => BDB::poll_fileno,
3423	poll => 'r',
3424	prio => 0,
3425	data => WF_AUTOCANCEL,
3426	cb => \&BDB::poll_cb,
3427	);
3428	BDB::min_parallel 8;	4112	BDB::min_parallel 16;
3429		4113	BDB::max_poll_reqs $TICK * 0.1;
3430	BDB::set_sync_prepare {	4114	$AnyEvent::BDB::WATCHER->priority (1);
3431	my $status;
3432	my $current = $Coro::current;
3433	(
3434	sub {
3435	$status = $!;
3436	$current->ready; undef $current;
3437	},
3438	sub {
3439	Coro::schedule while defined $current;
3440	$! = $status;
3441	},
3442	)
3443	};
3444		4115
3445	unless ($DB_ENV) {	4116	unless ($DB_ENV) {
3446	$DB_ENV = BDB::db_env_create;	4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3447		4123
3448	cf::sync_job {	4124	cf::sync_job {
3449	eval {	4125	eval {
3450	BDB::db_env_open	4126	BDB::db_env_open
3451	$DB_ENV,	4127	$DB_ENV,
…		…
3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3455	0666;	4131	0666;
3456		4132
3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3458
3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3460	$DB_ENV->set_lk_detect;
3461	};	4134	};
3462		4135
3463	cf::cleanup "db_env_open(db): $@" if $@;	4136	cf::cleanup "db_env_open(db): $@" if $@;
3464	};	4137	};
3465	}	4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
3466	}	4149	}
3467		4150
3468	{	4151	{
		4152	# configure IO::AIO
		4153
3469	IO::AIO::min_parallel 8;	4154	IO::AIO::min_parallel 8;
3470
3471	undef $Coro::AIO::WATCHER;
3472	IO::AIO::max_poll_time $TICK * 0.1;	4155	IO::AIO::max_poll_time $TICK * 0.1;
3473	$AIO_POLL_WATCHER = Event->io (	4156	undef $AnyEvent::AIO::WATCHER;
3474	reentrant => 0,
3475	data => WF_AUTOCANCEL,
3476	fd => IO::AIO::poll_fileno,
3477	poll => 'r',
3478	prio => 6,
3479	cb => \&IO::AIO::poll_cb,
3480	);
3481	}	4157	}
3482		4158
3483	my $_log_backtrace;	4159	my $_log_backtrace;
3484		4160
3485	sub _log_backtrace {	4161	sub _log_backtrace {
…		…
3488	$msg =~ s/\n//;	4164	$msg =~ s/\n//;
3489		4165
3490	# limit the # of concurrent backtraces	4166	# limit the # of concurrent backtraces
3491	if ($_log_backtrace < 2) {	4167	if ($_log_backtrace < 2) {
3492	++$_log_backtrace;	4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
3493	async {	4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
3494	my @bt = fork_call {	4173	my @bt = fork_call {
3495	@addr = map { sprintf "%x", $_ } @addr;	4174	@addr = map { sprintf "%x", $_ } @addr;
3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3498	or die "addr2line: $!";	4177	or die "addr2line: $!";
…		…
3506	}	4185	}
3507		4186
3508	@funcs	4187	@funcs
3509	};	4188	};
3510		4189
3511	LOG llevInfo, "[ABT] $msg\n";	4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3512	LOG llevInfo, "[ABT] $_\n" for @bt;	4192	LOG llevInfo, "[ABT] $_\n" for @bt;
3513	--$_log_backtrace;	4193	--$_log_backtrace;
3514	};	4194	};
3515	} else {	4195	} else {
3516	LOG llevInfo, "[ABT] $msg\n";	4196	LOG llevInfo, "[ABT] $msg\n";
3517	LOG llevInfo, "[ABT] [suppressed]\n";	4197	LOG llevInfo, "[ABT] [suppressed]\n";
3518	}	4198	}
3519	}	4199	}
3520		4200
3521	# load additional modules	4201	# load additional modules
3522	use cf::pod;	4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
3523		4204
3524	END { cf::emergency_save }	4205	END { cf::emergency_save }
3525		4206
3526	1	4207	1
3527		4208

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