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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.334 by root, Mon Aug 20 22:09:04 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
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 thread
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
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	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	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
265		375
266	=item cf::lock_wait $string	376	=item cf::lock_wait $string
267		377
268	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
269		379
270	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
271		381
272	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
275	returned.	385	returned.
276		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
277	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
279		392
280	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
281		394
282	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
283		396
284	=cut	397	=cut
285		398
286	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
287		400
288	sub lock_wait($) {	401	sub lock_wait($) {
289	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	403	}
297		404
298	sub lock_acquire($) {	405	sub lock_acquire($) {
299	my ($key) = @_;	406	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	407	}
311		408
312	sub lock_active($) {	409	sub lock_active($) {
313	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	411	}
317		412
318	sub freeze_mainloop {	413	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
320		415
321	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	417	}
323	};	418
324	$TICK_WATCHER->stop;	419	=item cf::periodic $interval, $cb
325	$guard	420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
326	}	432	}
327		433
328	=item cf::get_slot $time[, $priority[, $name]]	434	=item cf::get_slot $time[, $priority[, $name]]
329		435
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		444
339	=cut	445	=cut
340		446
341	our @SLOT_QUEUE;	447	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
343		450
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
346	my $signal = new Coro::Signal;	455	my $signal = new Coro::Signal;
		456	my $busy;
347		457
348	while () {	458	while () {
349	next_job:	459	next_job:
		460
350	my $avail = cf::till_tick;	461	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	462
352	for (0 .. $#SLOT_QUEUE) {	463	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	466	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	467	$job->[2]->send;
356	Coro::cede;	468	Coro::cede;
357	goto next_job;	469	goto next_job;
358	}	470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	472	}
360	}	473	}
361		474
362	if (@SLOT_QUEUE) {	475	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	477	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	478	$signal->wait;
366	} else {	479	} else {
		480	$busy = 0;
367	Coro::schedule;	481	Coro::schedule;
368	}	482	}
369	}	483	}
370	};	484	};
371		485
372	sub get_slot($;$$) {	486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
373	my ($time, $pri, $name) = @_;	489	my ($time, $pri, $name) = @_;
374		490
375	$time = $TICK * .6 if $time > $TICK * .6;	491	$time = clamp $time, 0.01, $TICK * .6;
		492
376	my $sig = new Coro::Signal;	493	my $sig = new Coro::Signal;
377		494
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	497	$SLOT_QUEUE->ready;
…		…
391		508
392	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
393		510
394	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
395		512
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	513	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	514	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	516	acceptable.
400		517
401	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	523	=cut
407		524
408	sub sync_job(&) {	525	sub sync_job(&) {
409	my ($job) = @_;	526	my ($job) = @_;
410		527
411	if ($Coro::current == $Coro::main) {	528	if (in_main) {
412	my $time = Event::time;	529	my $time = AE::time;
413		530
414	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
416		533
417	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	535
419	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
420		537
421	my $busy = 1;	538	my $busy = 1;
422	my @res;	539	my @res;
423		540
424	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	543	@res = eval { $job->() };
426	warn $@ if $@;	544	error $@ if $@;
427	undef $busy;	545	undef $busy;
428	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
429		547
430	while ($busy) {	548	while ($busy) {
431	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
432	}	553	}
		554	}
433		555
434	$time = Event::time - $time;	556	my $time = AE::time - $time;
435		557
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
440		559
441	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
442	} else {	561	} else {
443	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
444		563
…		…
469	=item fork_call { }, $args	588	=item fork_call { }, $args
470		589
471	Executes the given code block with the given arguments in a seperate	590	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	591	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	592	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	593	never block itself or use any form of event handling.
475		594
476	=cut	595	=cut
477		596
478	sub fork_call(&@) {	597	sub fork_call(&@) {
479	my ($cb, @args) = @_;	598	my ($cb, @args) = @_;
480		599
481	# we seemingly have to make a local copy of the whole thing,	600	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	601	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	602	# TODO: investigate and fix (likely this will be rather laborious)
484		603
485	my @res = Coro::Util::fork_eval {	604	my @res = Coro::Util::fork_eval {
486	reset_signals;	605	reset_signals;
487	&$cb	606	&$cb
488	}, @args;	607	}, @args;
489		608
490	wantarray ? @res : $res[-1]	609	wantarray ? @res : $res[-1]
491	}	610	}
492		611
		612	sub objinfo {
		613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
493	=item $value = cf::db_get $family => $key	650	=item $value = cf::db_get $family => $key
494		651
495	Returns a single value from the environment database.	652	Returns a single value from the environment database.
496		653
497	=item cf::db_put $family => $key => $value	654	=item cf::db_put $family => $key => $value
498		655
499	Stores the given C<$value> in the family. It can currently store binary	656	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
502	=cut	664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
503		685
504	our $DB;	686	our $DB;
505		687
506	sub db_init {	688	sub db_init {
507	unless ($DB) {	689	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	690	}
522		691
523	sub db_get($$) {	692	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	693	my $key = "$_[0]/$_[1]";
525		694
526	cf::sync_job {	695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
527	BDB::db_get $DB, undef, $key, my $data;	698	BDB::db_get $DB, undef, $key, my $data;
528		699
529	$! ? ()	700	$! ? ()
530	: $data	701	: $data
531	}
532	}	702	}
533		703
534	sub db_put($$$) {	704	sub db_put($$$) {
535	BDB::dbreq_pri 4;	705	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	745	if (1) {
576	$md5 =	746	$md5 =
577	join "\x00",	747	join "\x00",
578	$processversion,	748	$processversion,
579	map {	749	map {
580	Coro::cede;	750	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	751	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	752	} 0.. $#$src;
583		753
584		754
585	my $dbmd5 = db_get cache => "$id/md5";	755	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		762
593	my $t1 = Time::HiRes::time;	763	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	764	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	765	my $t2 = Time::HiRes::time;
596		766
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		768
599	db_put cache => "$id/data", $data;	769	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	770	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	771	db_put cache => "$id/meta", $meta;
602		772
…		…
612		782
613	=cut	783	=cut
614		784
615	sub datalog($@) {	785	sub datalog($@) {
616	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	788	}
619		789
620	=back	790	=back
621		791
622	=cut	792	=cut
623		793
624	#############################################################################	794	#############################################################################
625		795
626	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
627		797
628	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
631		801
632	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	804	Deliantra).
635		805
636	=over 4	806	=over 4
637		807
638	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
639		809
…		…
683	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
684		854
685	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
687		857
688	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
690		860
691	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
692		862
693	=over 4	863	=over 4
…		…
817		987
818	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		990
821	} elsif (ref $type) {	991	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
823		993
824	} else {	994	} else {
825	shift @arg;	995	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
827	}	997	}
828	}	998	}
829	}	999	}
830		1000
831	sub _object_attach {	1001	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
842	}	1012	}
843		1013
844	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
845	} else {	1015	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1017	}
848		1018
849	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
850	}	1020	}
851		1021
…		…
910		1080
911	for (@$callbacks) {	1081	for (@$callbacks) {
912	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
913		1083
914	if ($@) {	1084	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1086	override;
918	}	1087	}
919		1088
920	return 1 if $override;	1089	return 1 if $override;
921	}	1090	}
922		1091
923	0	1092	0
924	}	1093	}
925		1094
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1096
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1098
930	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
931		1100
…		…
937		1106
938	=cut	1107	=cut
939		1108
940	#############################################################################	1109	#############################################################################
941	# object support	1110	# object support
942	#
943		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
944	sub _can_merge {	1145	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1146	my ($ob1, $ob2) = @_;
946		1147
947	local $Storable::canonical = 1;	1148	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1149
951	$fob1 eq $fob2	1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
952	}	1152	}
953		1153
954	sub reattach {	1154	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1156	my ($obj) = @_;
957		1157
		1158	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1160
960	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
961		1162
962	@$registry = ();	1163	@$registry = ();
963		1164
…		…
968	for (@$attach) {	1169	for (@$attach) {
969	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
971	}	1172	}
972	} else {	1173	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1175	}
975	}	1176	}
976	}	1177	}
977		1178
978	cf::attachable->attach (	1179	cf::attachable->attach (
979	prio => -1000000,	1180	prio => -1000000,
980	on_instantiate => sub {	1181	on_instantiate => sub {
981	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
982		1183
983	$data = from_json $data;	1184	$data = decode_json $data;
984		1185
985	for (@$data) {	1186	for (@$data) {
986	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
987		1188
988	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1205	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
1006		1207
1007	sync_job {	1208	sync_job {
1008	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
1011		1214
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
1016	close $fh;	1222	aio_close $fh;
1017		1223
1018	if (@$objs) {	1224	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
1024	close $fh;	1233	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1235	}
1027	} else {	1236	} else {
1028	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
1029	}	1238	}
1030		1239
1031	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1244	} else {
1033	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
1034	}	1246	}
1035	} else {	1247	} else {
1036	aio_unlink $filename;	1248	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
1038	}	1250	}
1039	}	1251	};
1040	}	1252	}
1041		1253
1042	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
1044		1256
…		…
1056	or return;	1268	or return;
1057		1269
1058	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1272	or return;
		1273
1061	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
1062	}	1276	}
1063		1277
		1278	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
1066	return ($data, $av);	1283	($data, $av)
1067	}	1284	}
1068		1285
1069	=head2 COMMAND CALLBACKS	1286	=head2 COMMAND CALLBACKS
1070		1287
1071	=over 4	1288	=over 4
…		…
1125	my ($name, $cb) = @_;	1342	my ($name, $cb) = @_;
1126		1343
1127	$EXTICMD{$name} = $cb;	1344	$EXTICMD{$name} = $cb;
1128	}	1345	}
1129		1346
		1347	use File::Glob ();
		1348
1130	cf::player->attach (	1349	cf::player->attach (
1131	on_command => sub {	1350	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
1133		1352
1134	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
1135	or return;	1354	or return;
1136		1355
…		…
1149	my ($type, $reply, @payload) =	1368	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1369	"ARRAY" eq ref $msg
1151	? @$msg	1370	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1372
		1373	my @reply;
		1374
1154	if (my $cb = $EXTCMD{$type}) {	1375	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1376	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
1160	} else {	1382	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1384	}
1163		1385
1164	cf::override;	1386	cf::override;
1165	},	1387	},
1166	);	1388	);
1167		1389
		1390	# "readahead" all extensions
		1391	sub cache_extensions {
		1392	my $grp = IO::AIO::aio_group;
		1393
		1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1395	for (grep /\.ext$/, @{$_[0]}) {
		1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1397	}
		1398	};
		1399
		1400	$grp
		1401	}
		1402
1168	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
1169	cf::sync_job {	1406	cf::sync_job {
1170	my %todo;	1407	my %todo;
1171		1408
1172	for my $path (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1410	next unless -r $path;
…		…
1191		1428
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1431
1195	$ext{source} =	1432	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1433	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1434	. "#line 1 \"$path\"\n{\n"
1198	. $source	1435	. $source
1199	. "\n};\n1";	1436	. "\n};\n1";
1200		1437
1201	$todo{$base} = \%ext;	1438	$todo{$base} = \%ext;
1202	}	1439	}
1203		1440
		1441	my $pass = 0;
1204	my %done;	1442	my %done;
1205	while (%todo) {	1443	while (%todo) {
1206	my $progress;	1444	my $progress;
1207		1445
		1446	++$pass;
		1447
		1448	ext:
1208	while (my ($k, $v) = each %todo) {	1449	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1450	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1451	next ext
1211	unless exists $done{$_};	1452	unless exists $done{$_};
1212	}	1453	}
1213		1454
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1456
1216	unless (eval $v->{source}) {	1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1460	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1463	if exists $v->{meta}{mandatory};
1221	warn $msg;	1464
1222	warn "mandatory extension failed to load, exiting.\n";	1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1466	delete $todo{$k};
1224	}	1467	} else {
1225		1468	$done{$k} = delete $todo{$k};
1226	warn $msg;	1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
1227	}	1474	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1475	}
1233		1476
1234	skip:	1477	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
1237	}	1485	}
1238	};	1486	};
1239	}	1487	}
1240		1488
1241	#############################################################################	1489	#############################################################################
1242		1490
1243	=back	1491	=back
1244		1492
1245	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
1246		1494
1247	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
1248		1496
1249	=cut	1497	=cut
1250		1498
1251	package cf::player;	1499	package cf::player;
1252		1500
1253	use Coro::AIO;	1501	use Coro::AIO;
1254		1502
1255	=head3 cf::player	1503	=head3 cf::player
1256		1504
1257	=over 4	1505	=over 4
		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
1258		1520
1259	=item cf::player::find $login	1521	=item cf::player::find $login
1260		1522
1261	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1262		1524
…		…
1281		1543
1282	sub exists($) {	1544	sub exists($) {
1283	my ($login) = @_;	1545	my ($login) = @_;
1284		1546
1285	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1287	}	1549	}
1288		1550
1289	sub find($) {	1551	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1553	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1564
1303	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1306	}	1574	}
1307	}	1575	}
1308	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1309		1590
1310	sub save($) {	1591	sub save($) {
1311	my ($pl) = @_;	1592	my ($pl) = @_;
1312		1593
1313	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1319		1600
1320	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1322		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1323	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1324	Coro::cede;	1610	cf::cede_to_tick;
1325	}	1611	}
1326		1612
1327	sub new($) {	1613	sub new($) {
1328	my ($login) = @_;	1614	my ($login) = @_;
1329		1615
…		…
1358	my ($pl) = @_;	1644	my ($pl) = @_;
1359		1645
1360	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1361		1647
1362	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1650
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1369		1656
1370	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1694	or return [];
1408		1695
1409	my @logins;	1696	my @logins;
1410		1697
1411	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1415		1708
1416	utf8::decode $login;	1709	utf8::decode $login;
1417	push @logins, $login;	1710	push @logins, $login;
1418	}	1711	}
1419		1712
1420	\@logins	1713	\@logins
1421	}	1714	}
1422		1715
1423	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1424		1719
1425	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1426	player. May block.	1721	player. May block.
1427		1722
1428	=cut	1723	=cut
…		…
1446	}	1741	}
1447		1742
1448	\@paths	1743	\@paths
1449	}	1744	}
1450		1745
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1747
1453	Expand crossfire pod fragments into protocol xml.	1748	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1749
1501	=item $player->ext_reply ($msgid, @msg)	1750	=item $player->ext_reply ($msgid, @msg)
1502		1751
1503	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1504		1753
1505	=cut	1754	=cut
1506		1755
1507	sub ext_reply($$@) {	1756	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1757	my ($self, $id, @msg) = @_;
1509		1758
1510	if ($self->ns->extcmd == 2) {	1759	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1760	}
1518		1761
1519	=item $player->ext_msg ($type, @msg)	1762	=item $player->ext_msg ($type, @msg)
1520		1763
1521	Sends an ext event to the client.	1764	Sends an ext event to the client.
…		…
1542		1785
1543	=cut	1786	=cut
1544		1787
1545	sub find_by_path($) {	1788	sub find_by_path($) {
1546	my ($path) = @_;	1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
1547		1792
1548	my ($match, $specificity);	1793	my ($match, $specificity);
1549		1794
1550	for my $region (list) {	1795	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1796	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1579		1824
1580	sub generate_random_map {	1825	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1582	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1831	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1605		1853
1606	sub register {	1854	sub register {
1607	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1856	my $pkg = caller;
1609		1857
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1859
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1861	}
1615		1862
1616	# also paths starting with '/'	1863	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1865
1619	sub thawer_merge {	1866	sub thawer_merge {
1620	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1621		1868
1622	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
…		…
1627	}	1874	}
1628		1875
1629	sub normalise {	1876	sub normalise {
1630	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1631		1878
1632	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1633		1880
1634	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1635		1882
1636	# map plan:	1883	# map plan:
1637	#	1884	#
…		…
1676	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1677	return $self;	1924	return $self;
1678	}	1925	}
1679	}	1926	}
1680		1927
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	1929	()
1683	}	1930	}
1684		1931
1685	sub init {	1932	sub init {
1686	my ($self) = @_;	1933	my ($self) = @_;
…		…
1708		1955
1709	# the temporary/swap location	1956	# the temporary/swap location
1710	sub save_path {	1957	sub save_path {
1711	my ($self) = @_;	1958	my ($self) = @_;
1712		1959
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1715	}	1962	}
1716		1963
1717	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1718	sub uniq_path {	1965	sub uniq_path {
1719	my ($self) = @_;	1966	my ($self) = @_;
1720		1967
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1969	"$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	}	1970	}
1733		1971
1734	sub decay_objects {	1972	sub decay_objects {
1735	my ($self) = @_;	1973	my ($self) = @_;
1736		1974
…		…
1749		1987
1750	sub load_header_from($) {	1988	sub load_header_from($) {
1751	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1752		1990
1753	utf8::encode $path;	1991	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1759		2000
1760	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1761		2002
1762	1	2003	1
1763	}	2004	}
…		…
1815		2056
1816	sub find;	2057	sub find;
1817	sub find {	2058	sub find {
1818	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1819		2060
		2061	cf::cede_to_tick;
		2062
1820	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1821		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2067
1824	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1827	or return;	2070	or return;
1828		2071
1829	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1830		2073
…		…
1832	or return;	2075	or return;
1833		2076
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1837	$map->reset;	2082	$map->reset;
1838	undef $guard;
1839	return find $path;	2083	return find $path;
1840	}	2084	}
1841		2085
1842	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1843	}	2087	}
1844	}	2088	}
1845		2089
1846	sub pre_load { }	2090	sub pre_load { }
1847	sub post_load { }	2091	#sub post_load { } # XS
1848		2092
1849	sub load {	2093	sub load {
1850	my ($self) = @_;	2094	my ($self) = @_;
1851		2095
1852	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1853		2097
1854	my $path = $self->{path};	2098	my $path = $self->{path};
1855		2099
1856	{	2100	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1858		2102
		2103	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2105
1861	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1862		2107
1863	$self->alloc;	2108	$self->alloc;
1864		2109
1865	$self->pre_load;	2110	$self->pre_load;
1866	Coro::cede;	2111	cf::cede_to_tick;
1867		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1869	or return;	2116	or return;
1870		2117
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1872	if delete $self->{load_original};	2119	if delete $self->{load_original};
1873		2120
1874	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2122	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2125	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1879	}	2129	}
1880	}	2130	}
1881		2131
1882	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1883	# now do the right thing for maps	2135	# now do the right thing for maps
1884	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2138	unless $self->difficulty;
1887	Coro::cede;	2139	cf::cede_to_tick;
1888		2140
1889	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2142	$self->decay_objects;
1891	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1892	$self->update_buttons;	2144	$self->update_buttons;
1893	Coro::cede;	2145	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2146	$self->activate;
1897	}	2147	}
1898		2148
1899	$self->{last_save} = $cf::RUNTIME;	2149	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2150	$self->last_access ($cf::RUNTIME);
1901		2151
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2153	}
1904		2154
1905	$self->post_load;	2155	$self->post_load;
1906	}	2156	}
1907		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2161	sub customise_for {
1909	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1910		2163
1911	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2165	if $self->per_player;
…		…
1928	or next;	2181	or next;
1929	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1930	or next;	2183	or next;
1931	$neigh->load;	2184	$neigh->load;
1932		2185
		2186	# now find the diagonal neighbours
1933	push @neigh,	2187	push @neigh,
1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1936	}	2190	}
1937		2191
…		…
1944	}	2198	}
1945		2199
1946	sub find_sync {	2200	sub find_sync {
1947	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1948		2202
1949	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1950	}	2207	}
1951		2208
1952	sub do_load_sync {	2209	sub do_load_sync {
1953	my ($map) = @_;	2210	my ($map) = @_;
1954		2211
1955	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1956	}	2216	}
1957		2217
1958	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1960		2220
1961	sub find_async {	2221	sub find_async {
1962	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1963		2223
1964	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1965		2225
1966	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2228	}
1969		2229
1970	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1971	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1972	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1973	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1974	if (my $map = find $path) {	2237	if (my $map = find $k) {
1975	$map->load;	2238	$map->load if $v;
1976	}	2239	}
1977		2240
1978	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1979	}	2242	}
1980	}	2243	}
1981	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1982	};	2245	};
1983	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1984		2247
1985	()	2248	()
1986	}	2249	}
1987		2250
		2251	# common code, used by both ->save and ->swapout
1988	sub save {	2252	sub _save {
1989	my ($self) = @_;	2253	my ($self) = @_;
1990
1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1992		2254
1993	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1994		2256
1995	return unless $self->dirty;	2257	return unless $self->dirty;
1996		2258
…		…
2002	return if $self->{deny_save};	2264	return if $self->{deny_save};
2003		2265
2004	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
2005		2267
2006	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
2007	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
2008	};	2271	};
		2272
		2273	cf::get_slot 0.02;
2009		2274
2010	if ($uniq) {	2275	if ($uniq) {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2013	} else {	2278	} else {
2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2015	}	2280	}
2016	}	2281	}
2017		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
2018	sub swap_out {	2291	sub swap_out {
2019	my ($self) = @_;	2292	my ($self) = @_;
2020		2293
2021	# save first because save cedes
2022	$self->save;
2023
2024	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
2025		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
2026	return if $self->players;	2298	return if $self->players;
2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
2028	return if $self->{deny_save};
2029		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
2030	$self->clear;	2309	$self->clear;
2031	$self->in_memory (cf::MAP_SWAPPED);
2032	}	2310	}
2033		2311
2034	sub reset_at {	2312	sub reset_at {
2035	my ($self) = @_;	2313	my ($self) = @_;
2036		2314
…		…
2054		2332
2055	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
2056		2334
2057	return if $self->players;	2335	return if $self->players;
2058		2336
2059	warn "resetting map ", $self->path;	2337	cf::trace "resetting map ", $self->path, "\n";
2060		2338
2061	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
2062		2340
2063	# need to save uniques path	2341	# need to save uniques path
2064	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
2068	if $uniq;	2346	if $uniq;
2069	}	2347	}
2070		2348
2071	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
2072		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
2073	$self->clear;	2353	$self->clear;
2074
2075	$_->clear_links_to ($self) for values %cf::MAP;
2076		2354
2077	$self->unlink_save;	2355	$self->unlink_save;
2078	$self->destroy;	2356	$self->destroy;
2079	}	2357	}
2080		2358
2081	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
2082		2360
2083	sub nuke {	2361	sub nuke {
2084	my ($self) = @_;	2362	my ($self) = @_;
2085		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
2086	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
2087		2368
2088	$self->unlink_save;	2369	$self->unlink_save;
2089		2370
2090	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
2091	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
2092	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
2093	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095		2376
2096	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
2097		2379
2098	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
2099	}	2381	}
2100		2382
2101	=item $maps = cf::map::tmp_maps	2383	=item $maps = cf::map::tmp_maps
…		…
2143		2425
2144	sub unique_maps() {	2426	sub unique_maps() {
2145	[	2427	[
2146	map {	2428	map {
2147	utf8::decode $_;	2429	utf8::decode $_;
2148	/\.map$/	2430	s/\.map$//; # TODO future compatibility hack
		2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2432	? ()
2149	? normalise $_	2433	: normalise $_
2150	: ()
2151	} @{ aio_readdir $UNIQUEDIR or [] }	2434	} @{ aio_readdir $UNIQUEDIR or [] }
2152	]	2435	]
2153	}	2436	}
2154		2437
2155	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
2156		2469
2157	=back	2470	=back
2158		2471
2159	=head3 cf::object	2472	=head3 cf::object
2160		2473
…		…
2164		2477
2165	=over 4	2478	=over 4
2166		2479
2167	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
2168		2481
2169	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
2170		2484
2171	=cut	2485	=cut
2172		2486
2173	sub inv_recursive_;	2487	sub inv_recursive_;
2174	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
2177		2491
2178	sub inv_recursive {	2492	sub inv_recursive {
2179	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
2180	}	2494	}
2181		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
2182	package cf;	2524	package cf;
2183		2525
2184	=back	2526	=back
2185		2527
2186	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
2192	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2193	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
2194	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
2195		2537
2196	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
2197		2553
2198	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
2199	# with dialog boxes.	2555	# with dialog boxes.
2200	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
2201	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
2213	my $dialog = $pl->{npc_dialog};	2569	my $dialog = $pl->{npc_dialog};
2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215		2571
2216	} else {	2572	} else {
2217	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
2218	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219	}	2575	}
2220	}	2576	}
2221	}	2577	}
2222		2578
2223	=item $object->send_msg ($channel, $msg, $color, [extra...])	2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2248		2604
2249	=item $player_object->enter_link	2605	=item $player_object->enter_link
2250		2606
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2608
2253	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
2255		2613
2256	Will never block.	2614	Will never block.
2257		2615
2258	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
2259		2617
…		…
2279	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2638	my ($self) = @_;
2281		2639
2282	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
2283		2641
		2642	++$self->{_link_recursion};
		2643
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2645
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2647	if $self->map && $self->map->{path} ne "{link}";
2288		2648
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2650	}
2291		2651
2292	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
2294		2654
…		…
2311	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
2313		2673
2314	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
2317		2677
2318	$map->load;	2678	$map->load;
2319	$map->load_neighbours;	2679	$map->load_neighbours;
2320		2680
2321	return unless $self->contr->active;	2681	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2682
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
2326	}	2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
		2688	$self->activate_recursive;
		2689	}
2327		2690
		2691	}
		2692
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329		2694
2330	Moves the player to the given map-path and coordinates by first freezing	2695	Moves the player to the given map-path and coordinates by first freezing
2331	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2697	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2698	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2699	be called at the end of this process.
2335		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
2336	=cut	2704	=cut
2337		2705
2338	our $GOTOGEN;	2706	our $GOTOGEN;
2339		2707
2340	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
2343	# do generation counting so two concurrent goto's will be executed in-order	2717	# do generation counting so two concurrent goto's will be executed in-order
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2719
2346	$self->enter_link;	2720	$self->enter_link;
2347		2721
2348	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
2349	my $map = eval {	2744	my $map = eval {
2350	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
2351		2746
2352	if ($map) {	2747	if ($map) {
2353	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2750	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2752	}
2358		2753
2359	$map	2754	$map
2360	};	2755	};
2361		2756
…		…
2367	if ($gen == $self->{_goto_generation}) {	2762	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2763	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
2370	}	2765	}
2371		2766
2372	$done->() if $done;	2767	$done->($self) if $done;
2373	})->prio (1);	2768	})->prio (1);
2374	}	2769	}
2375		2770
2376	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
2377		2772
…		…
2397	}	2792	}
2398		2793
2399	sub prepare_random_map {	2794	sub prepare_random_map {
2400	my ($exit) = @_;	2795	my ($exit) = @_;
2401		2796
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2799	# that depends on the exit object
2407		2800
2408	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2803	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2415	}	2810	}
2416		2811
2417	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2418		2813
2419	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2422		2817
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2820	undef $fh;
2426	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2427		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2430	}	2829	}
2431	}	2830	}
2432		2831
2433	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2435		2834
2436	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2437		2836
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2837	$self->enter_link;
2450		2838
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2839	(async {
2456	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2457	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
2458	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2459		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
2460	1;	2863	1
2461	}) {	2864	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2869
2467	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	2871	$self->leave_link;
2469	}	2872	}
2470	})->prio (1);	2873	})->prio (1);
2471	}	2874	}
2472		2875
…		…
2484	sub cf::client::send_drawinfo {	2887	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2888	my ($self, $text, $flags) = @_;
2486		2889
2487	utf8::encode $text;	2890	utf8::encode $text;
2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2892	}
		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
2489	}	2917	}
2490		2918
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2920
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2921	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2923	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2924	the message unless the client supports the msg packet.
2497		2925
2498	=cut	2926	=cut
2499		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
2500	sub cf::client::send_msg {	3042	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3043	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3044
2503	$msg = $self->pl->expand_cfpod ($msg);	3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
2504		3047
2505	$color &= cf::NDI_CLIENT_MASK; # just in case...	3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
2507	if (ref $channel) {	3057	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3058	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3059	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3060	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_msg (channel_info => $channel);	3061	$self->ext_msg (channel_info => $channel);
2512	}	3062	}
…		…
2514	$channel = $channel->{id};	3064	$channel = $channel->{id};
2515	}	3065	}
2516		3066
2517	return unless @extra || length $msg;	3067	return unless @extra || length $msg;
2518		3068
2519	if ($self->can_msg) {
2520	# default colour, mask it out	3069	# default colour, mask it out
2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522	if $color & cf::NDI_DEF;	3071	if $color & cf::NDI_DEF;
2523		3072
2524	$self->send_packet ("msg " . $self->{json_coder}->encode (	3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526	} else {	3076	);
2527	if ($color >= 0) {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3077
2538	$color &= cf::NDI_COLOR_MASK;	3078	$self->send_big_packet ($pkt);
2539
2540	utf8::encode $msg;
2541
2542	if (0 && $msg =~ /\[/) {
2543	# COMMAND/INFO
2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
2545	} else {
2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2547	$self->send_packet ("drawinfo $color $msg")
2548	}
2549	}
2550	}
2551	}	3079	}
2552		3080
2553	=item $client->ext_msg ($type, @msg)	3081	=item $client->ext_msg ($type, @msg)
2554		3082
2555	Sends an ext event to the client.	3083	Sends an ext event to the client.
…		…
2557	=cut	3085	=cut
2558		3086
2559	sub cf::client::ext_msg($$@) {	3087	sub cf::client::ext_msg($$@) {
2560	my ($self, $type, @msg) = @_;	3088	my ($self, $type, @msg) = @_;
2561		3089
2562	my $extcmd = $self->extcmd;
2563
2564	if ($extcmd == 2) {	3090	if ($self->extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($extcmd == 1) { # TODO: remove	3092	} elsif ($self->extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";	3093	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}	3113	}
2570	}	3114	}
2571		3115
2572	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2573		3117
…		…
2634	my ($type, $reply, @payload) =	3178	my ($type, $reply, @payload) =
2635	"ARRAY" eq ref $msg	3179	"ARRAY" eq ref $msg
2636	? @$msg	3180	? @$msg
2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638		3182
		3183	my @reply;
		3184
2639	if (my $cb = $EXTICMD{$type}) {	3185	if (my $cb = $EXTICMD{$type}) {
2640	my @reply = $cb->($ns, @payload);	3186	@reply = $cb->($ns, @payload);
2641
2642	$ns->ext_reply ($reply, @reply)
2643	if $reply;
2644	}	3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
2645	} else {	3192	} else {
2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647	}	3194	}
2648		3195
2649	cf::override;	3196	cf::override;
2650	},	3197	},
2651	);	3198	);
…		…
2671		3218
2672	$coro	3219	$coro
2673	}	3220	}
2674		3221
2675	cf::client->attach (	3222	cf::client->attach (
2676	on_destroy => sub {	3223	on_client_destroy => sub {
2677	my ($ns) = @_;	3224	my ($ns) = @_;
2678		3225
2679	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680	},	3227	},
2681	);	3228	);
…		…
2697	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2698		3245
2699	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2700		3247
2701	$safe->permit_only (Opcode::opset qw(	3248	$safe->permit_only (Opcode::opset qw(
2702	:base_core :base_mem :base_orig :base_math	3249	:base_core :base_mem :base_orig :base_math :base_loop
2703	grepstart grepwhile mapstart mapwhile	3250	grepstart grepwhile mapstart mapwhile
2704	sort time	3251	sort time
2705	));	3252	));
2706		3253
2707	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
…		…
2709	=pod	3256	=pod
2710		3257
2711	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2712		3259
2713	cf::object	3260	cf::object
2714	contr pay_amount pay_player map x y force_find force_add	3261	contr pay_amount pay_player map x y force_find force_add destroy
2715	insert remove name archname title slaying race	3262	insert remove name archname title slaying race decrease split
		3263	value
2716		3264
2717	cf::object::player	3265	cf::object::player
2718	player	3266	player
2719		3267
2720	cf::player	3268	cf::player
…		…
2725		3273
2726	=cut	3274	=cut
2727		3275
2728	for (	3276	for (
2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730	insert remove inv name archname title slaying race)],	3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2731	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2732	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2733	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2734	) {	3283	) {
2735	no strict 'refs';
2736	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2737	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738	for @funs;	3286	for @funs;
2739	}	3287	}
2740		3288
…		…
2755		3303
2756	my $qcode = $code;	3304	my $qcode = $code;
2757	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2758	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2759		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2760	local $_;	3311	local $_;
2761	local @safe::cf::_safe_eval_args = values %vars;
2762		3312
2763	my $eval =	3313	my $eval =
2764	"do {\n"	3314	"do {\n"
2765	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2767	. $code	3317	. $code
2768	. "\n}"	3318	. "\n}"
2769	;	3319	;
2770		3320
		3321	if ($CFG{safe_eval}) {
2771	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2772	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2774		3330
2775	if ($@) {	3331	if ($@) {
2776	warn "$@";	3332	warn "$@",
2777	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2778	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2779	}	3335	}
2780		3336
2781	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2782	}	3338	}
2783		3339
…		…
2797	=cut	3353	=cut
2798		3354
2799	sub register_script_function {	3355	sub register_script_function {
2800	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2801		3357
2802	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2803	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2804	}	3360	}
2805		3361
2806	=back	3362	=back
2807		3363
2808	=cut	3364	=cut
…		…
2811	# the server's init and main functions	3367	# the server's init and main functions
2812		3368
2813	sub load_facedata($) {	3369	sub load_facedata($) {
2814	my ($path) = @_;	3370	my ($path) = @_;
2815		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
2816	my $enc = JSON::XS->new->utf8->canonical;	3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817		3377
2818	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2819		3379
2820	my $facedata;
2821	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2822	or die "$path: $!";	3381	or die "$path: $!";
2823		3382
2824	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2825		3384
2826	$facedata->{version} == 2	3385	$facedata->{version} == 2
2827	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2828		3387
2829	# patch in the exptable	3388	# patch in the exptable
2830	cf::cede_to_tick;	3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2831	$facedata->{resource}{"res/exp_table"} = {	3390	$facedata->{resource}{"res/exp_table"} = {
2832	type => FT_RSRC,	3391	type => FT_RSRC,
2833	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
2834	};	3394	};
2835	cf::cede_to_tick;	3395	cf::cede_to_tick;
2836		3396
2837	{	3397	{
2838	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2839		3399
2840	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2842	cf::face::set_visibility $idx, $info->{visibility};	3403	cf::face::set_visibility $idx, $info->{visibility};
2843	cf::face::set_magicmap $idx, $info->{magicmap};	3404	cf::face::set_magicmap $idx, $info->{magicmap};
2844	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2845	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2846		3407
2847	cf::cede_to_tick;	3408	cf::cede_to_tick;
2848	}	3409	}
2849		3410
2850	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2851	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2852	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2853	or next;	3415	or next;
		3416
2854	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
2855	cf::face::set_smooth $idx, $smooth;	3418	cf::face::set_smooth $idx, $smooth;
2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2857	} else {	3420	} else {
2858	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2859	}	3422	}
2860		3423
2861	cf::cede_to_tick;	3424	cf::cede_to_tick;
2862	}	3425	}
2863	}	3426	}
…		…
2872		3435
2873	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2874	}	3437	}
2875		3438
2876	{	3439	{
2877	# TODO: for gcfclient pleasure, we should give resources
2878	# that gcfclient doesn't grok a >10000 face index.
2879	my $res = $facedata->{resource};	3440	my $res = $facedata->{resource};
2880		3441
2881	my $soundconf = delete $res->{"res/sound.conf"};
2882
2883	while (my ($name, $info) = each %$res) {	3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
2884	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2885	my $data;
2886		3445
2887	if ($info->{type} & 1) {	3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2888	# prepend meta info	3447	cf::face::set_type $idx, $info->{type};
2889		3448	} else {
2890	my $meta = $enc->encode ({	3449	$RESOURCE{$name} = $info; # unused
2891	name => $name,
2892	%{ $info->{meta} || {} },
2893	});
2894
2895	$data = pack "(w/a*)*", $meta, $info->{data};
2896	}	3450	}
2897		3451
2898	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2899	cf::face::set_type $idx, $info->{type};
2900
2901	cf::cede_to_tick;	3452	cf::cede_to_tick;
2902	}	3453	}
2903
2904	if ($soundconf) {
2905	$soundconf = $enc->decode (delete $soundconf->{data});
2906
2907	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2908	my $sound = $soundconf->{compat}[$_]
2909	or next;
2910
2911	my $face = cf::face::find "sound/$sound->[1]";
2912	cf::sound::set $sound->[0] => $face;
2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2914	}
2915
2916	while (my ($k, $v) = each %{$soundconf->{event}}) {
2917	my $face = cf::face::find "sound/$v";
2918	cf::sound::set $k => $face;
2919	}
2920	}
2921	}	3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2922		3457
2923	1	3458	1
2924	}	3459	}
2925		3460
2926	register_exticmd fx_want => sub {	3461	register_exticmd fx_want => sub {
…		…
2929	while (my ($k, $v) = each %$want) {	3464	while (my ($k, $v) = each %$want) {
2930	$ns->fx_want ($k, $v);	3465	$ns->fx_want ($k, $v);
2931	}	3466	}
2932	};	3467	};
2933		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
2934	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2935	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2936	or die "unable to load regions file\n";	3485	or die "unable to load regions file\n";
2937		3486
2938	for (cf::region::list) {	3487	for (cf::region::list) {
2939	$_->{match} = qr/$_->{match}/	3488	$_->{match} = qr/$_->{match}/
…		…
2947	}	3496	}
2948		3497
2949	sub reload_archetypes {	3498	sub reload_archetypes {
2950	load_resource_file "$DATADIR/archetypes"	3499	load_resource_file "$DATADIR/archetypes"
2951	or die "unable to load archetypes\n";	3500	or die "unable to load archetypes\n";
2952	#d# NEED to laod twice to resolve forward references
2953	# this really needs to be done in an extra post-pass
2954	# (which needs to be synchronous, so solve it differently)
2955	load_resource_file "$DATADIR/archetypes"
2956	or die "unable to load archetypes\n";
2957	}	3501	}
2958		3502
2959	sub reload_treasures {	3503	sub reload_treasures {
2960	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2961	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2962	}	3506	}
2963		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2964	sub reload_resources {	3531	sub reload_resources {
2965	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2966		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2967	reload_regions;	3539	reload_regions;
2968	reload_facedata;
2969	#reload_archetypes;#d#
2970	reload_archetypes;
2971	reload_treasures;	3540	reload_treasures;
2972		3541
2973	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2974	}	3543	}
2975		3544
2976	sub init {	3545	sub reload_config {
2977	reload_resources;	3546	trace "reloading config file...\n";
2978	}
2979		3547
2980	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2981	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2982	or return;
2983		3550
2984	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2985	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2986		3555
2987	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2988		3557
2989	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2990	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2991		3560
2992	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2996	};	3565	};
2997	warn $@ if $@;	3566	warn $@ if $@;
2998	}	3567	}
2999	}	3568	}
3000		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
3001	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
3002	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
3003	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
3004	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3005	(async {	3611	(async {
3006	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
3007	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
3008	};	3615	};
3009		3616
3010	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
3011	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
3012	load_extensions;	3640	load_extensions;
3013		3641
3014	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
3015	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
3016	}	3660	}
3017		3661
3018	#############################################################################	3662	#############################################################################
3019	# initialisation and cleanup	3663	# initialisation and cleanup
3020		3664
3021	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
3022	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
3023	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
3024	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3025	reentrant => 0,
3026	data => WF_AUTOCANCEL,
3027	signal => $signal,
3028	prio => 0,
3029	cb => sub {
3030	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
3031	},
3032	);	3671	};
3033	}	3672	}
3034	}	3673	}
3035		3674
3036	sub write_runtime {	3675	sub write_runtime_sync {
3037	my $runtime = "$LOCALDIR/runtime";	3676	my $t0 = AE::time;
3038		3677
3039	# first touch the runtime file to show we are still running:	3678	# first touch the runtime file to show we are still running:
3040	# the fsync below can take a very very long time.	3679	# the fsync below can take a very very long time.
3041		3680
3042	IO::AIO::aio_utime $runtime, undef, undef;	3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3043		3682
3044	my $guard = cf::lock_acquire "write_runtime";	3683	my $guard = cf::lock_acquire "write_runtime";
3045		3684
3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3047	or return;	3686	or return;
3048		3687
3049	my $value = $cf::RUNTIME + 90 + 10;	3688	my $value = $cf::RUNTIME + 90 + 10;
3050	# 10 is the runtime save interval, for a monotonic clock	3689	# 10 is the runtime save interval, for a monotonic clock
3051	# 60 allows for the watchdog to kill the server.	3690	# 60 allows for the watchdog to kill the server.
…		…
3061	aio_utime $fh, undef, undef;	3700	aio_utime $fh, undef, undef;
3062		3701
3063	close $fh	3702	close $fh
3064	or return;	3703	or return;
3065		3704
3066	aio_rename "$runtime~", $runtime	3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3067	and return;	3706	and return;
3068		3707
3069	warn "runtime file written.\n";	3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3070		3709
3071	1	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
3072	}	3761	}
3073		3762
3074	sub emergency_save() {	3763	sub emergency_save() {
3075	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
3076		3765
3077	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
3078		3772
3079	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
3080	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
3081	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
3082	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
3083	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
3084	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
3085	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
3086	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3087	$pl->save;	3784	$pl->save;
3088	}	3785	}
3089	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
3090		3787
3091	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
3092	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
3093	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
3094	$map->valid or next;	3793	$map->valid or next;
3095	$map->save;	3794	$map->save;
3096	}	3795	}
3097	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
3098		3797
3099	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
3100	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
3101	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
3102	};	3826	};
3103		3827
3104	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
3105	}	3829	}
3106		3830
3107	sub post_cleanup {	3831	sub post_cleanup {
3108	my ($make_core) = @_;	3832	my ($make_core) = @_;
3109		3833
		3834	IO::AIO::flush;
		3835
3110	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
3111	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
3112	}	3866	}
3113		3867
3114	sub do_reload_perl() {	3868	sub do_reload_perl() {
3115	# can/must only be called in main	3869	# can/must only be called in main
3116	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
3117	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
3118	return;	3872	return;
3119	}	3873	}
3120		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
3121	warn "reloading...";	3881	info "reloading...";
3122		3882
3123	warn "entering sync_job";	3883	trace "entering sync_job";
3124		3884
3125	cf::sync_job {	3885	cf::sync_job {
3126	cf::write_runtime; # external watchdog should not bark
3127	cf::emergency_save;	3886	#cf::emergency_save;
3128	cf::write_runtime; # external watchdog should not bark
3129		3887
3130	warn "syncing database to disk";
3131	BDB::db_env_txn_checkpoint $DB_ENV;
3132
3133	# if anything goes wrong in here, we should simply crash as we already saved
3134
3135	warn "cancelling all WF_AUTOCANCEL watchers";
3136	for (Event::all_watchers) {
3137	$_->cancel if $_->data & WF_AUTOCANCEL;
3138	}
3139
3140	warn "flushing outstanding aio requests";
3141	for (;;) {
3142	BDB::flush;
3143	IO::AIO::flush;
3144	Coro::cede;
3145	last unless IO::AIO::nreqs || BDB::nreqs;
3146	warn "iterate...";
3147	}
3148
3149	++$RELOAD;
3150
3151	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
3152	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
3153	%EXT_CORO = ();	3890	%EXT_CORO = ();
3154		3891
3155	warn "removing commands";	3892	trace "removing commands";
3156	%COMMAND = ();	3893	%COMMAND = ();
3157		3894
3158	warn "removing ext/exti commands";	3895	trace "removing ext/exti commands";
3159	%EXTCMD = ();	3896	%EXTCMD = ();
3160	%EXTICMD = ();	3897	%EXTICMD = ();
3161		3898
3162	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
3163	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
3164	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
3165		3902
3166	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
3167	eval {	3904	eval {
3168	$cb->($pkg);	3905	$cb->($pkg);
3169	1	3906	1
3170	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
3171	}	3912	}
3172		3913
3173	warn "... nuking $pkg";
3174	Symbol::delete_package $pkg;
3175	}
3176
3177	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
3178	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
3179	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3180		3917
3181	warn "... unloading $k";	3918	trace "... unloading $k";
3182	delete $INC{$k};	3919	delete $INC{$k};
3183		3920
3184	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
3185	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
3186		3923
3187	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
3188	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
3189	}	3929	}
3190		3930
3191	Symbol::delete_package $k;
3192	}
3193
3194	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
3195	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3197		3934
3198	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
3199	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
3200	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3201		3938
3202	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
3203	# and global variables created in xs	3940	# and global variables created in xs
3204	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
3205		3942
3206	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
3207		3944
3208	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
3209	require cf;	3946	require cf;
3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
3211		3948
3212	warn "loading config and database again";	3949	trace "loading config and database again";
3213	cf::cfg_load;	3950	cf::reload_config;
3214		3951
3215	warn "loading extensions";	3952	trace "loading extensions";
3216	cf::load_extensions;	3953	cf::load_extensions;
3217		3954
		3955	if ($REATTACH_ON_RELOAD) {
3218	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
3219	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
3220	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
3221	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
3222	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
3223	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
3224		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
3225	warn "leaving sync_job";	3967	trace "leaving sync_job";
3226		3968
3227	1	3969	1
3228	} or do {	3970	} or do {
3229	warn $@;	3971	error $@;
3230	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
3231	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
3232	};	3977	}
3233		3978
3234	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
3235	};	3981	};
3236		3982
3237	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
3238		3984
3239	sub reload_perl() {	3985	sub reload_perl() {
3240	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
3241	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
3242		3988
3243	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
3244	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
3245	after => 0,	3991
3246	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3247	cb => sub {
3248	do_reload_perl;	3993	do_reload_perl;
3249	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
3250	},	3995	};
3251	);	3996	};
3252	}	3997	}
3253		3998
3254	register_command "reload" => sub {	3999	register_command "reload" => sub {
3255	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
3256		4001
3257	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
3258	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
3259	async { reload_perl };	4006	reload_perl;
		4007	};
3260	}	4008	}
3261	};	4009	};
3262		4010
3263	unshift @INC, $LIBDIR;	4011	#############################################################################
3264		4012
3265	my $bug_warning = 0;	4013	my $bug_warning = 0;
3266		4014
3267	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
3268	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
3269		4017
3270	sub wait_for_tick {	4018	sub wait_for_tick() {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273		4020
3274	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
3276	$signal->wait;	4023	$signal->wait;
3277	}	4024	}
3278		4025
3279	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
3280	return unless $TICK_WATCHER->is_active;
3281	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3282		4028
3283	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
3284	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
3285	$signal->wait;	4031	$signal->wait;
3286	}	4032	}
3287		4033
3288	my $min = 1e6;#d#	4034	sub tick {
3289	my $avg = 10;
3290	$TICK_WATCHER = Event->timer (
3291	reentrant => 0,
3292	parked => 1,
3293	prio => 0,
3294	at => $NEXT_TICK || $TICK,
3295	data => WF_AUTOCANCEL,
3296	cb => sub {
3297	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3299	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
3300	return;	4038	return;
3301	}	4039	}
3302		4040
3303	$NOW = $tick_start = Event::time;
3304
3305	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
3306		4042
3307	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3308	for(1..10) {
3309	my $t = Event::time;
3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3311	or die;
3312		4044
3313	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3314	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3315	$map->alloc;	4047	Coro::async_pool {
3316	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
3317	my $t = Event::time - $t;	4049	write_runtime_sync
3318		4050	or error "ERROR: unable to write runtime file: $!";
3319	#next unless $t < 0.0013;#d#
3320	if ($t < $min) {
3321	$min = $t;
3322	}
3323	$avg = $avg * 0.99 + $t * 0.01;
3324	}
3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3326	exit 0;
3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3328	};	4051	};
		4052	}
3329		4053
3330	$RUNTIME += $TICK;
3331	$NEXT_TICK += $TICK;
3332
3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
3335	Coro::async_pool {
3336	write_runtime
3337	or warn "ERROR: unable to write runtime file: $!";
3338	};
3339	}
3340
3341	# my $AFTER = Event::time;
3342	# warn $AFTER - $NOW;#d#
3343
3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3345	$sig->send;	4055	$sig->send;
3346	}	4056	}
3347	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
3348	$sig->send;	4058	$sig->send;
3349	}	4059	}
3350		4060
3351	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
3352
3353	# if we are delayed by four ticks or more, skip them all
3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3355
3356	$TICK_WATCHER->at ($NEXT_TICK);
3357	$TICK_WATCHER->start;
3358
3359	$LOAD = ($NOW - $tick_start) / $TICK;
3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3361		4063
3362	_post_tick;	4064	if (0) {
3363		4065	if ($NEXT_TICK) {
3364		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
3365	},	4070	}
3366	);	4071	}
3367		4072
3368	{	4073	{
3369	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
3370	$BDB_POLL_WATCHER = Event->io (	4075
3371	reentrant => 0,
3372	fd => BDB::poll_fileno,
3373	poll => 'r',
3374	prio => 0,
3375	data => WF_AUTOCANCEL,
3376	cb => \&BDB::poll_cb,
3377	);
3378	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
3379		4077	BDB::max_poll_reqs $TICK * 0.1;
3380	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
3381	my $status;
3382	my $current = $Coro::current;
3383	(
3384	sub {
3385	$status = $!;
3386	$current->ready; undef $current;
3387	},
3388	sub {
3389	Coro::schedule while defined $current;
3390	$! = $status;
3391	},
3392	)
3393	};
3394		4079
3395	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
3396	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3397		4087
3398	cf::sync_job {	4088	cf::sync_job {
3399	eval {	4089	eval {
3400	BDB::db_env_open	4090	BDB::db_env_open
3401	$DB_ENV,	4091	$DB_ENV,
…		…
3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3405	0666;	4095	0666;
3406		4096
3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3408
3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3410	$DB_ENV->set_lk_detect;
3411	};	4098	};
3412		4099
3413	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
3414	};	4101	};
3415	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
3416	}	4113	}
3417		4114
3418	{	4115	{
		4116	# configure IO::AIO
		4117
3419	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
3420
3421	undef $Coro::AIO::WATCHER;
3422	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
3423	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
3424	reentrant => 0,
3425	data => WF_AUTOCANCEL,
3426	fd => IO::AIO::poll_fileno,
3427	poll => 'r',
3428	prio => 6,
3429	cb => \&IO::AIO::poll_cb,
3430	);
3431	}	4121	}
3432		4122
3433	my $_log_backtrace;	4123	my $_log_backtrace;
3434		4124
3435	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3438	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3439		4129
3440	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3441	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3442	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3443	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3444	my @bt = fork_call {	4137	my @bt = fork_call {
3445	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3448	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3456	}	4149	}
3457		4150
3458	@funcs	4151	@funcs
3459	};	4152	};
3460		4153
3461	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3462	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3463	--$_log_backtrace;	4157	--$_log_backtrace;
3464	};	4158	};
3465	} else {	4159	} else {
3466	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3467	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3468	}	4162	}
3469	}	4163	}
3470		4164
3471	# load additional modules	4165	# load additional modules
3472	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3473		4168
3474	END { cf::emergency_save }	4169	END { cf::emergency_save }
3475		4170
3476	1	4171	1
3477		4172

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