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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 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 $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
265		404
266	=item cf::lock_wait $string	405	=item cf::lock_wait $string
267		406
268	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
269		408
270	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
271		410
272	Wait until the given lock is available and then acquires it and returns	411	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,	412	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	413	for example when the coroutine gets canceled), the lock is automatically
275	returned.	414	returned.
276		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
277	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
279		421
280	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
281		423
282	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
283		425
284	=cut	426	=cut
285		427
286	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
287		429
288	sub lock_wait($) {	430	sub lock_wait($) {
289	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	432	}
297		433
298	sub lock_acquire($) {	434	sub lock_acquire($) {
299	my ($key) = @_;	435	$LOCKS->guard ($_[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	}	436	}
311		437
312	sub lock_active($) {	438	sub lock_active($) {
313	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	440	}
317		441
318	sub freeze_mainloop {	442	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
320		444
321	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	446	}
323	};	447
324	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
325	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
326	}	461	}
327		462
328	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
329		464
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		473
339	=cut	474	=cut
340		475
341	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
343		479
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
346	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
347		486
348	while () {	487	while () {
349	next_job:	488	next_job:
		489
350	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	491
352	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	496	$job->[2]->send;
356	Coro::cede;	497	Coro::cede;
357	goto next_job;	498	goto next_job;
358	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	501	}
360	}	502	}
361		503
362	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	507	$signal->wait;
366	} else {	508	} else {
		509	$busy = 0;
367	Coro::schedule;	510	Coro::schedule;
368	}	511	}
369	}	512	}
370	};	513	};
371		514
372	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
373	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
374		519
375	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
376	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
377		523
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
391		537
392	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
393		539
394	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
395		541
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	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	543	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	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	545	acceptable.
400		546
401	If it must be done, put the blocking parts into C<sync_job>. This will run	547	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	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	552	=cut
407		553
408	sub sync_job(&) {	554	sub sync_job(&) {
409	my ($job) = @_;	555	my ($job) = @_;
410		556
411	if ($Coro::current == $Coro::main) {	557	if (in_main) {
412	my $time = Event::time;	558	my $time = AE::time;
413		559
414	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
416		562
417	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	564
419	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
420		566
421	my $busy = 1;	567	my $busy = 1;
422	my @res;	568	my @res;
423		569
424	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	572	@res = eval { $job->() };
426	warn $@ if $@;	573	error $@ if $@;
427	undef $busy;	574	undef $busy;
428	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
429		576
430	while ($busy) {	577	while ($busy) {
431	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
432	}	582	}
		583	}
433		584
434	$time = Event::time - $time;	585	my $time = AE::time - $time;
435		586
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	587	$TICK_START += $time; # do not account sync jobs to server load
440		588
441	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
442	} else {	590	} else {
443	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
444		592
…		…
464	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
465		613
466	$coro	614	$coro
467	}	615	}
468		616
469	=item fork_call { }, $args	617	=item fork_call { }, @args
470		618
471	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
475		623
476	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
477		629
478	sub fork_call(&@) {	630	sub fork_call(&@) {
479	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
480		632
481	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
484		636
485	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
486	reset_signals;	638	cf::post_fork;
487	&$cb	639	&$cb
488	}, @args;	640	} @args;
489		641
490	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
491	}	681	}
492		682
493	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
494		684
495	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
498		688
499	Stores the given C<$value> in the family. It can currently store binary	689	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).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
502	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
503		718
504	our $DB;	719	our $DB;
505		720
506	sub db_init {	721	sub db_init {
507	unless ($DB) {	722	$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	}	723	}
522		724
523	sub db_get($$) {	725	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
525		727
526	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
527	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
528		732
529	$! ? ()	733	$! ? ()
530	: $data	734	: $data
531	}
532	}	735	}
533		736
534	sub db_put($$$) {	737	sub db_put($$$) {
535	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	778	if (1) {
576	$md5 =	779	$md5 =
577	join "\x00",	780	join "\x00",
578	$processversion,	781	$processversion,
579	map {	782	map {
580	Coro::cede;	783	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	785	} 0.. $#$src;
583		786
584		787
585	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		795
593	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	797	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
596		799
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		801
599	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
602		805
…		…
612		815
613	=cut	816	=cut
614		817
615	sub datalog($@) {	818	sub datalog($@) {
616	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	821	}
619		822
620	=back	823	=back
621		824
622	=cut	825	=cut
623		826
624	#############################################################################	827	#############################################################################
625		828
626	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
627		830
628	Many objects in crossfire are so-called attachable objects. That means you can	831	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")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
631		834
632	In the following description, CLASS can be any of C<global>, C<object>	835	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	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	837	Deliantra).
635		838
636	=over 4	839	=over 4
637		840
638	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
639		842
…		…
683	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
684		887
685	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
687		890
688	Some classes such as crossfire maps and objects can specify attachments	891	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.	892	that are attached at load/instantiate time, thus the need for a name.
690		893
691	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
692		895
693	=over 4	896	=over 4
…		…
817		1020
818	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1023
821	} elsif (ref $type) {	1024	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
823		1026
824	} else {	1027	} else {
825	shift @arg;	1028	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
827	}	1030	}
828	}	1031	}
829	}	1032	}
830		1033
831	sub _object_attach {	1034	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
842	}	1045	}
843		1046
844	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
845	} else {	1048	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1050	}
848		1051
849	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
850	}	1053	}
851		1054
…		…
910		1113
911	for (@$callbacks) {	1114	for (@$callbacks) {
912	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
913		1116
914	if ($@) {	1117	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1119	override;
918	}	1120	}
919		1121
920	return 1 if $override;	1122	return 1 if $override;
921	}	1123	}
922		1124
923	0	1125	0
924	}	1126	}
925		1127
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1129
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1131
930	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
931		1133
…		…
937		1139
938	=cut	1140	=cut
939		1141
940	#############################################################################	1142	#############################################################################
941	# object support	1143	# object support
942	#
943		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
944	sub _can_merge {	1178	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
946		1180
947	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1182
951	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
952	}	1185	}
953		1186
954	sub reattach {	1187	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1189	my ($obj) = @_;
957		1190
		1191	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1193
960	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
961		1195
962	@$registry = ();	1196	@$registry = ();
963		1197
…		…
968	for (@$attach) {	1202	for (@$attach) {
969	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
971	}	1205	}
972	} else {	1206	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1208	}
975	}	1209	}
976	}	1210	}
977		1211
978	cf::attachable->attach (	1212	cf::attachable->attach (
979	prio => -1000000,	1213	prio => -1000000,
980	on_instantiate => sub {	1214	on_instantiate => sub {
981	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
982		1216
983	$data = from_json $data;	1217	$data = decode_json $data;
984		1218
985	for (@$data) {	1219	for (@$data) {
986	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
987		1221
988	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1238	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1006		1240
1007	sync_job {	1241	sync_job {
1008	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1011		1247
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
1016	close $fh;	1255	aio_close $fh;
1017		1256
1018	if (@$objs) {	1257	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
1024	close $fh;	1266	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1268	}
1027	} else {	1269	} else {
1028	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1029	}	1271	}
1030		1272
1031	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1277	} else {
1033	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1034	}	1279	}
1035	} else {	1280	} else {
1036	aio_unlink $filename;	1281	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1038	}	1283	}
1039	}	1284	};
1040	}	1285	}
1041		1286
1042	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1044		1289
…		…
1056	or return;	1301	or return;
1057		1302
1058	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1305	or return;
		1306
1061	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1062	}	1309	}
1063		1310
		1311	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1066	return ($data, $av);	1316	($data, $av)
1067	}	1317	}
1068		1318
1069	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1070		1320
1071	=over 4	1321	=over 4
…		…
1125	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1126		1376
1127	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1128	}	1378	}
1129		1379
		1380	use File::Glob ();
		1381
1130	cf::player->attach (	1382	cf::player->attach (
1131	on_command => sub {	1383	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1133		1385
1134	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1135	or return;	1387	or return;
1136		1388
…		…
1159		1411
1160	$pl->ext_reply ($reply, @reply)	1412	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1413	if $reply;
1162		1414
1163	} else {	1415	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1417	}
1166		1418
1167	cf::override;	1419	cf::override;
1168	},	1420	},
1169	);	1421	);
1170		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1171	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1172	cf::sync_job {	1439	cf::sync_job {
1173	my %todo;	1440	my %todo;
1174		1441
1175	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1443	next unless -r $path;
…		…
1194		1461
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1464
1198	$ext{source} =	1465	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1201	. $source	1468	. $source
1202	. "\n};\n1";	1469	. "\n};\n1";
1203		1470
1204	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1205	}	1472	}
1206		1473
		1474	my $pass = 0;
1207	my %done;	1475	my %done;
1208	while (%todo) {	1476	while (%todo) {
1209	my $progress;	1477	my $progress;
1210		1478
		1479	++$pass;
		1480
		1481	ext:
1211	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1484	next ext
1214	unless exists $done{$_};	1485	unless exists $done{$_};
1215	}	1486	}
1216		1487
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1489
1219	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1224	warn $msg;	1497
1225	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1499	delete $todo{$k};
1227	}	1500	} else {
1228		1501	$done{$k} = delete $todo{$k};
1229	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1230	}	1507	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1508	}
1236		1509
1237	skip:	1510	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1240	}	1518	}
1241	};	1519	};
1242	}	1520	}
1243		1521
1244	#############################################################################	1522	#############################################################################
1245		1523
1246	=back	1524	=back
1247		1525
1248	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1249		1527
1250	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1251		1529
1252	=cut	1530	=cut
1253		1531
1254	package cf::player;	1532	package cf::player;
1255		1533
1256	use Coro::AIO;	1534	use Coro::AIO;
1257		1535
1258	=head3 cf::player	1536	=head3 cf::player
1259		1537
1260	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1261		1553
1262	=item cf::player::find $login	1554	=item cf::player::find $login
1263		1555
1264	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1265		1557
…		…
1284		1576
1285	sub exists($) {	1577	sub exists($) {
1286	my ($login) = @_;	1578	my ($login) = @_;
1287		1579
1288	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1290	}	1582	}
1291		1583
1292	sub find($) {	1584	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1586	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1597
1306	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1309	}	1607	}
1310	}	1608	}
1311	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1312		1623
1313	sub save($) {	1624	sub save($) {
1314	my ($pl) = @_;	1625	my ($pl) = @_;
1315		1626
1316	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1322		1633
1323	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1325		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1326	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1327	Coro::cede;	1643	cf::cede_to_tick;
1328	}	1644	}
1329		1645
1330	sub new($) {	1646	sub new($) {
1331	my ($login) = @_;	1647	my ($login) = @_;
1332		1648
…		…
1361	my ($pl) = @_;	1677	my ($pl) = @_;
1362		1678
1363	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1364		1680
1365	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1683
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1371	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1372		1692
1373	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1410	or return [];	1730	or return [];
1411		1731
1412	my @logins;	1732	my @logins;
1413		1733
1414	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1418		1744
1419	utf8::decode $login;	1745	utf8::decode $login;
1420	push @logins, $login;	1746	push @logins, $login;
1421	}	1747	}
1422		1748
1423	\@logins	1749	\@logins
1424	}	1750	}
1425		1751
1426	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1427		1755
1428	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1429	player. May block.	1757	player. May block.
1430		1758
1431	=cut	1759	=cut
…		…
1449	}	1777	}
1450		1778
1451	\@paths	1779	\@paths
1452	}	1780	}
1453		1781
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1783
1456	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1785
1504	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1505		1787
1506	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1507		1789
…		…
1539		1821
1540	=cut	1822	=cut
1541		1823
1542	sub find_by_path($) {	1824	sub find_by_path($) {
1543	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1544		1828
1545	my ($match, $specificity);	1829	my ($match, $specificity);
1546		1830
1547	for my $region (list) {	1831	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1576		1860
1577	sub generate_random_map {	1861	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1579	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1867	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1602		1889
1603	sub register {	1890	sub register {
1604	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1892	my $pkg = caller;
1606		1893
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1895
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1897	}
1612		1898
1613	# also paths starting with '/'	1899	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1901
1616	sub thawer_merge {	1902	sub thawer_merge {
1617	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1618		1904
1619	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1624	}	1910	}
1625		1911
1626	sub normalise {	1912	sub normalise {
1627	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1628		1914
1629	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1630		1916
1631	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1632		1918
1633	# map plan:	1919	# map plan:
1634	#	1920	#
…		…
1649	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	1936	$path = "$base/$path";
1651	}	1937	}
1652		1938
1653	for ($path) {	1939	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1657	}	1942	}
1658		1943
1659	$path	1944	$path
…		…
1673	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1674	return $self;	1959	return $self;
1675	}	1960	}
1676	}	1961	}
1677		1962
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	1964	()
1680	}	1965	}
1681		1966
1682	sub init {	1967	sub init {
1683	my ($self) = @_;	1968	my ($self) = @_;
…		…
1705		1990
1706	# the temporary/swap location	1991	# the temporary/swap location
1707	sub save_path {	1992	sub save_path {
1708	my ($self) = @_;	1993	my ($self) = @_;
1709		1994
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1712	}	1997	}
1713		1998
1714	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1715	sub uniq_path {	2000	sub uniq_path {
1716	my ($self) = @_;	2001	my ($self) = @_;
1717		2002
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2005	}
1730		2006
1731	sub decay_objects {	2007	sub decay_objects {
1732	my ($self) = @_;	2008	my ($self) = @_;
1733		2009
…		…
1746		2022
1747	sub load_header_from($) {	2023	sub load_header_from($) {
1748	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1749		2025
1750	utf8::encode $path;	2026	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1756		2035
1757	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1758		2037
1759	1	2038	1
1760	}	2039	}
…		…
1812		2091
1813	sub find;	2092	sub find;
1814	sub find {	2093	sub find {
1815	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1816		2095
		2096	cf::cede_to_tick;
		2097
1817	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1818		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2102
1821	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1824	or return;	2105	or return;
1825		2106
1826	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1827		2108
…		…
1829	or return;	2110	or return;
1830		2111
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1834	$map->reset;	2117	$map->reset;
1835	undef $guard;
1836	return find $path;	2118	return find $path;
1837	}	2119	}
1838		2120
1839	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1840	}	2122	}
1841	}	2123	}
1842		2124
1843	sub pre_load { }	2125	sub pre_load { }
1844	sub post_load { }	2126	#sub post_load { } # XS
1845		2127
1846	sub load {	2128	sub load {
1847	my ($self) = @_;	2129	my ($self) = @_;
1848		2130
1849	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1850		2132
1851	my $path = $self->{path};	2133	my $path = $self->{path};
1852		2134
1853	{	2135	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1855		2137
		2138	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2140
1858	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1859		2142
1860	$self->alloc;	2143	$self->alloc;
1861		2144
1862	$self->pre_load;	2145	$self->pre_load;
1863	Coro::cede;	2146	cf::cede_to_tick;
1864		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1866	or return;	2151	or return;
1867		2152
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1869	if delete $self->{load_original};	2154	if delete $self->{load_original};
1870		2155
1871	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2157	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2160	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1876	}	2164	}
1877	}	2165	}
1878		2166
1879	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1880	# now do the right thing for maps	2170	# now do the right thing for maps
1881	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2173	unless $self->difficulty;
1884	Coro::cede;	2174	cf::cede_to_tick;
1885		2175
1886	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2177	$self->decay_objects;
1888	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1889	$self->update_buttons;	2179	$self->update_buttons;
1890	Coro::cede;	2180	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2181	$self->activate;
1894	}	2182	}
1895		2183
1896	$self->{last_save} = $cf::RUNTIME;	2184	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2185	$self->last_access ($cf::RUNTIME);
1898		2186
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2188	}
1901		2189
1902	$self->post_load;	2190	$self->post_load;
1903	}
1904		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2198	sub customise_for {
1906	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1907		2200
1908	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2202	if $self->per_player;
…		…
1925	or next;	2218	or next;
1926	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1927	or next;	2220	or next;
1928	$neigh->load;	2221	$neigh->load;
1929		2222
		2223	# now find the diagonal neighbours
1930	push @neigh,	2224	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2227	}
1934		2228
…		…
1941	}	2235	}
1942		2236
1943	sub find_sync {	2237	sub find_sync {
1944	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1945		2239
1946	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1947	}	2244	}
1948		2245
1949	sub do_load_sync {	2246	sub do_load_sync {
1950	my ($map) = @_;	2247	my ($map) = @_;
1951		2248
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current == $Coro::main;	2250	if $Coro::current == $Coro::main;
1954		2251
1955	cf::sync_job { $map->load };	2252	$map->load;
1956	}	2253	}
1957		2254
1958	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1960		2257
…		…
1962	my ($path, $origin, $load) = @_;	2259	my ($path, $origin, $load) = @_;
1963		2260
1964	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1965		2262
1966	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2265	}
1969		2266
1970	$MAP_PREFETCH{$path} |= $load;	2267	$MAP_PREFETCH{$path} |= $load;
1971		2268
1972	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1973	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2274	if (my $map = find $k) {
1976	$map->load if $v;	2275	$map->load if $v;
1977	}	2276	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
1985		2284
1986	()	2285	()
1987	}	2286	}
1988		2287
		2288	# common code, used by both ->save and ->swapout
1989	sub save {	2289	sub _save {
1990	my ($self) = @_;	2290	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2291
1994	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1995		2293
1996	return unless $self->dirty;	2294	return unless $self->dirty;
1997		2295
…		…
2003	return if $self->{deny_save};	2301	return if $self->{deny_save};
2004		2302
2005	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
2006		2304
2007	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
2009	};	2308	};
		2309
		2310	cf::get_slot 0.02;
2010		2311
2011	if ($uniq) {	2312	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2315	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2317	}
2017	}	2318	}
2018		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
2019	sub swap_out {	2328	sub swap_out {
2020	my ($self) = @_;	2329	my ($self) = @_;
2021		2330
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
2027	return if $self->players;	2335	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
2031	$self->clear;	2346	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2347	}
2034		2348
2035	sub reset_at {	2349	sub reset_at {
2036	my ($self) = @_;	2350	my ($self) = @_;
2037		2351
…		…
2055		2369
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2371
2058	return if $self->players;	2372	return if $self->players;
2059		2373
2060	warn "resetting map ", $self->path;	2374	cf::trace "resetting map ", $self->path, "\n";
2061		2375
2062	$self->in_memory (cf::MAP_SWAPPED);	2376	$self->in_memory (cf::MAP_SWAPPED);
2063		2377
2064	# need to save uniques path	2378	# need to save uniques path
2065	unless ($self->{deny_save}) {	2379	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2383	if $uniq;
2070	}	2384	}
2071		2385
2072	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2073		2387
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2390	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2391
2078	$self->unlink_save;	2392	$self->unlink_save;
2079	$self->destroy;	2393	$self->destroy;
2080	}	2394	}
2081		2395
2082	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
2083		2397
2084	sub nuke {	2398	sub nuke {
2085	my ($self) = @_;	2399	my ($self) = @_;
2086		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
2087	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
2088		2405
2089	$self->unlink_save;	2406	$self->unlink_save;
2090		2407
2091	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2413
2097	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
2098		2416
2099	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
2100	}	2418	}
2101		2419
2102	=item $maps = cf::map::tmp_maps	2420	=item $maps = cf::map::tmp_maps
…		…
2144		2462
2145	sub unique_maps() {	2463	sub unique_maps() {
2146	[	2464	[
2147	map {	2465	map {
2148	utf8::decode $_;	2466	utf8::decode $_;
2149	/\.map$/	2467	s/\.map$//; # TODO future compatibility hack
		2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
2150	? normalise $_	2470	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2471	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2472	]
2154	}	2473	}
2155		2474
2156	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
2157		2506
2158	=back	2507	=back
2159		2508
2160	=head3 cf::object	2509	=head3 cf::object
2161		2510
…		…
2165		2514
2166	=over 4	2515	=over 4
2167		2516
2168	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
2169		2518
2170	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
2171		2521
2172	=cut	2522	=cut
2173		2523
2174	sub inv_recursive_;	2524	sub inv_recursive_;
2175	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
2178		2528
2179	sub inv_recursive {	2529	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
2181	}	2531	}
2182		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
2183	package cf;	2561	package cf;
2184		2562
2185	=back	2563	=back
2186		2564
2187	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
2196		2574
2197	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
2198		2590
2199	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2592	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2606	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2608
2217	} else {	2609	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2612	}
2221	}	2613	}
2222	}	2614	}
2223		2615
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2641
2250	=item $player_object->enter_link	2642	=item $player_object->enter_link
2251		2643
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2645
2254	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
2256		2650
2257	Will never block.	2651	Will never block.
2258		2652
2259	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
2260		2654
…		…
2280	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2675	my ($self) = @_;
2282		2676
2283	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
2284		2678
		2679	++$self->{_link_recursion};
		2680
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2682
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2684	if $self->map && $self->map->{path} ne "{link}";
2289		2685
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2687	}
2292		2688
2293	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
2295		2691
…		…
2312	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
2314		2710
2315	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
2318		2714
2319	$map->load;	2715	$map->load;
2320	$map->load_neighbours;	2716	$map->load_neighbours;
2321		2717
2322	return unless $self->contr->active;	2718	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2719
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2721	if ($self->enter_map ($map, $x, $y)) {
2327	}	2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
		2725	$self->activate_recursive;
		2726	}
2328		2727
		2728	}
		2729
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2731
2331	Moves the player to the given map-path and coordinates by first freezing	2732	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2733	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2734	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2735	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2736	be called at the end of this process.
2336		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
		2740
2337	=cut	2741	=cut
2338		2742
2339	our $GOTOGEN;	2743	our $GOTOGEN;
2340		2744
2341	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
		2753
2344	# do generation counting so two concurrent goto's will be executed in-order	2754	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2756
2347	$self->enter_link;	2757	$self->enter_link;
2348		2758
2349	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
2350	my $map = eval {	2781	my $map = eval {
2351	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
2352		2783
2353	if ($map) {	2784	if ($map) {
2354	$map = $map->customise_for ($self);	2785	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2786	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2787	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2789	}
2359		2790
2360	$map	2791	$map
2361	};	2792	};
2362		2793
…		…
2368	if ($gen == $self->{_goto_generation}) {	2799	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2800	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
2371	}	2802	}
2372		2803
2373	$done->() if $done;	2804	$done->($self) if $done;
2374	})->prio (1);	2805	})->prio (1);
2375	}	2806	}
2376		2807
2377	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
2378		2809
…		…
2398	}	2829	}
2399		2830
2400	sub prepare_random_map {	2831	sub prepare_random_map {
2401	my ($exit) = @_;	2832	my ($exit) = @_;
2402		2833
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2836	# that depends on the exit object
2408		2837
2409	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2840	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
2416	}	2847	}
2417		2848
2418	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
2419		2850
2420	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
2423		2854
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2857	undef $fh;
2427	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
2428		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
2431	}	2866	}
2432	}	2867	}
2433		2868
2434	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
2436		2871
2437	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
2438		2873
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2874	$self->enter_link;
2451		2875
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2876	(async {
2457	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
2458	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
2459	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
2460		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
2461	1;	2900	1
2462	}) {	2901	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2906
2468	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2908	$self->leave_link;
2470	}	2909	}
2471	})->prio (1);	2910	})->prio (1);
2472	}	2911	}
2473		2912
…		…
2485	sub cf::client::send_drawinfo {	2924	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2925	my ($self, $text, $flags) = @_;
2487		2926
2488	utf8::encode $text;	2927	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2929	}
		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
2490	}	2954	}
2491		2955
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		2957
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	2958	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2960	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2961	the message unless the client supports the msg packet.
2498		2962
2499	=cut	2963	=cut
2500		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
2501	sub cf::client::send_msg {	3079	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3080	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3081
2504	$msg = $self->pl->expand_cfpod ($msg);	3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
2505		3084
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
2508	if (ref $channel) {	3094	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3095	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3096	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3097	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3098	$self->ext_msg (channel_info => $channel);
2513	}	3099	}
…		…
2515	$channel = $channel->{id};	3101	$channel = $channel->{id};
2516	}	3102	}
2517		3103
2518	return unless @extra || length $msg;	3104	return unless @extra || length $msg;
2519		3105
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3106	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3108	if $color & cf::NDI_DEF;
2524		3109
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3110	my $pkt = "msg "
		3111	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3113	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3114
2539	$color &= cf::NDI_COLOR_MASK;	3115	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3116	}
2553		3117
2554	=item $client->ext_msg ($type, @msg)	3118	=item $client->ext_msg ($type, @msg)
2555		3119
2556	Sends an ext event to the client.	3120	Sends an ext event to the client.
…		…
2559		3123
2560	sub cf::client::ext_msg($$@) {	3124	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3125	my ($self, $type, @msg) = @_;
2562		3126
2563	if ($self->extcmd == 2) {	3127	if ($self->extcmd == 2) {
2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2565	} elsif ($self->extcmd == 1) { # TODO: remove	3129	} elsif ($self->extcmd == 1) { # TODO: remove
2566	push @msg, msgtype => "event_$type";	3130	push @msg, msgtype => "event_$type";
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2568	}	3132	}
2569	}	3133	}
2570		3134
2571	=item $client->ext_reply ($msgid, @msg)	3135	=item $client->ext_reply ($msgid, @msg)
2572		3136
…		…
2576		3140
2577	sub cf::client::ext_reply($$@) {	3141	sub cf::client::ext_reply($$@) {
2578	my ($self, $id, @msg) = @_;	3142	my ($self, $id, @msg) = @_;
2579		3143
2580	if ($self->extcmd == 2) {	3144	if ($self->extcmd == 2) {
2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2582	} elsif ($self->extcmd == 1) {	3146	} elsif ($self->extcmd == 1) {
2583	#TODO: version 1, remove	3147	#TODO: version 1, remove
2584	unshift @msg, msgtype => "reply", msgid => $id;	3148	unshift @msg, msgtype => "reply", msgid => $id;
2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2586	}	3150	}
2587	}	3151	}
2588		3152
2589	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
2590		3154
…		…
2661		3225
2662	$ns->ext_reply ($reply, @reply)	3226	$ns->ext_reply ($reply, @reply)
2663	if $reply;	3227	if $reply;
2664		3228
2665	} else {	3229	} else {
2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2667	}	3231	}
2668		3232
2669	cf::override;	3233	cf::override;
2670	},	3234	},
2671	);	3235	);
…		…
2691		3255
2692	$coro	3256	$coro
2693	}	3257	}
2694		3258
2695	cf::client->attach (	3259	cf::client->attach (
2696	on_destroy => sub {	3260	on_client_destroy => sub {
2697	my ($ns) = @_;	3261	my ($ns) = @_;
2698		3262
2699	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2700	},	3264	},
2701	);	3265	);
…		…
2717	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2718		3282
2719	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2720		3284
2721	$safe->permit_only (Opcode::opset qw(	3285	$safe->permit_only (Opcode::opset qw(
2722	:base_core :base_mem :base_orig :base_math	3286	:base_core :base_mem :base_orig :base_math :base_loop
2723	grepstart grepwhile mapstart mapwhile	3287	grepstart grepwhile mapstart mapwhile
2724	sort time	3288	sort time
2725	));	3289	));
2726		3290
2727	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
…		…
2729	=pod	3293	=pod
2730		3294
2731	The following functions and methods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2732		3296
2733	cf::object	3297	cf::object
2734	contr pay_amount pay_player map x y force_find force_add	3298	contr pay_amount pay_player map x y force_find force_add destroy
2735	insert remove name archname title slaying race decrease_ob_nr	3299	insert remove name archname title slaying race decrease split
		3300	value
2736		3301
2737	cf::object::player	3302	cf::object::player
2738	player	3303	player
2739		3304
2740	cf::player	3305	cf::player
…		…
2745		3310
2746	=cut	3311	=cut
2747		3312
2748	for (	3313	for (
2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750	insert remove inv name archname title slaying race	3315	insert remove inv nrof name archname title slaying race
2751	decrease_ob_nr)],	3316	decrease split destroy change_exp value msg lore send_msg)],
2752	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2753	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2754	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2755	) {	3320	) {
2756	no strict 'refs';
2757	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2758	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2759	for @funs;	3323	for @funs;
2760	}	3324	}
2761		3325
…		…
2776		3340
2777	my $qcode = $code;	3341	my $qcode = $code;
2778	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2779	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2780		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2781	local $_;	3348	local $_;
2782	local @safe::cf::_safe_eval_args = values %vars;
2783		3349
2784	my $eval =	3350	my $eval =
2785	"do {\n"	3351	"do {\n"
2786	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2787	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2788	. $code	3354	. $code
2789	. "\n}"	3355	. "\n}"
2790	;	3356	;
2791		3357
		3358	if ($CFG{safe_eval}) {
2792	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2793	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2794	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2795		3367
2796	if ($@) {	3368	if ($@) {
2797	warn "$@";	3369	warn "$@",
2798	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2799	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2800	}	3372	}
2801		3373
2802	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2803	}	3375	}
2804		3376
…		…
2818	=cut	3390	=cut
2819		3391
2820	sub register_script_function {	3392	sub register_script_function {
2821	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2822		3394
2823	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2824	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2825	}	3397	}
2826		3398
2827	=back	3399	=back
2828		3400
2829	=cut	3401	=cut
…		…
2832	# the server's init and main functions	3404	# the server's init and main functions
2833		3405
2834	sub load_facedata($) {	3406	sub load_facedata($) {
2835	my ($path) = @_;	3407	my ($path) = @_;
2836		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
2837	my $enc = JSON::XS->new->utf8->canonical;	3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838		3414
2839	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2840		3416
2841	my $facedata;
2842	0 < aio_load $path, $facedata	3417	0 < aio_load $path, my $facedata
2843	or die "$path: $!";	3418	or die "$path: $!";
2844		3419
2845	$facedata = Coro::Storable::thaw $facedata;	3420	$facedata = Coro::Storable::thaw $facedata;
2846		3421
2847	$facedata->{version} == 2	3422	$facedata->{version} == 2
2848	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2849		3424
2850	# patch in the exptable	3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2851	$facedata->{resource}{"res/exp_table"} = {	3427	$facedata->{resource}{"res/exp_table"} = {
2852	type => FT_RSRC,	3428	type => FT_RSRC,
2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
2854	};	3431	};
2855	cf::cede_to_tick;	3432	cf::cede_to_tick;
2856		3433
2857	{	3434	{
2858	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2859		3436
2860	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2862	cf::face::set_visibility $idx, $info->{visibility};	3440	cf::face::set_visibility $idx, $info->{visibility};
2863	cf::face::set_magicmap $idx, $info->{magicmap};	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2866		3444
2867	cf::cede_to_tick;	3445	cf::cede_to_tick;
2868	}	3446	}
2869		3447
2870	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2871	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2872	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2873	or next;	3452	or next;
		3453
2874	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
2875	cf::face::set_smooth $idx, $smooth;	3455	cf::face::set_smooth $idx, $smooth;
2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877	} else {	3457	} else {
2878	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2879	}	3459	}
2880		3460
2881	cf::cede_to_tick;	3461	cf::cede_to_tick;
2882	}	3462	}
2883	}	3463	}
…		…
2892		3472
2893	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2894	}	3474	}
2895		3475
2896	{	3476	{
2897	# TODO: for gcfclient pleasure, we should give resources
2898	# that gcfclient doesn't grok a >10000 face index.
2899	my $res = $facedata->{resource};	3477	my $res = $facedata->{resource};
2900		3478
2901	my $soundconf = delete $res->{"res/sound.conf"};
2902
2903	while (my ($name, $info) = each %$res) {	3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905	my $data;
2906		3482
2907	if ($info->{type} & 1) {	3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2908	# prepend meta info	3484	cf::face::set_type $idx, $info->{type};
2909
2910	my $meta = $enc->encode ({
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	$data = pack "(w/a*)*", $meta, $info->{data};
2916	} else {	3485	} else {
2917	$data = $info->{data};	3486	$RESOURCE{$name} = $info; # unused
2918	}	3487	}
2919		3488
2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921	cf::face::set_type $idx, $info->{type};
2922
2923	cf::cede_to_tick;	3489	cf::cede_to_tick;
2924	}	3490	}
2925
2926	if ($soundconf) {
2927	$soundconf = $enc->decode (delete $soundconf->{data});
2928
2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930	my $sound = $soundconf->{compat}[$_]
2931	or next;
2932
2933	my $face = cf::face::find "sound/$sound->[1]";
2934	cf::sound::set $sound->[0] => $face;
2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936	}
2937
2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
2939	my $face = cf::face::find "sound/$v";
2940	cf::sound::set $k => $face;
2941	}
2942	}
2943	}	3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944		3494
2945	1	3495	1
2946	}	3496	}
2947		3497
2948	register_exticmd fx_want => sub {	3498	register_exticmd fx_want => sub {
…		…
2951	while (my ($k, $v) = each %$want) {	3501	while (my ($k, $v) = each %$want) {
2952	$ns->fx_want ($k, $v);	3502	$ns->fx_want ($k, $v);
2953	}	3503	}
2954	};	3504	};
2955		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
2956	sub reload_regions {	3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
2957	load_resource_file "$MAPDIR/regions"	3521	load_resource_file "$MAPDIR/regions"
2958	or die "unable to load regions file\n";	3522	or die "unable to load regions file\n";
2959		3523
2960	for (cf::region::list) {	3524	for (cf::region::list) {
2961	$_->{match} = qr/$_->{match}/	3525	$_->{match} = qr/$_->{match}/
…		…
2969	}	3533	}
2970		3534
2971	sub reload_archetypes {	3535	sub reload_archetypes {
2972	load_resource_file "$DATADIR/archetypes"	3536	load_resource_file "$DATADIR/archetypes"
2973	or die "unable to load archetypes\n";	3537	or die "unable to load archetypes\n";
2974	#d# NEED to laod twice to resolve forward references
2975	# this really needs to be done in an extra post-pass
2976	# (which needs to be synchronous, so solve it differently)
2977	load_resource_file "$DATADIR/archetypes"
2978	or die "unable to load archetypes\n";
2979	}	3538	}
2980		3539
2981	sub reload_treasures {	3540	sub reload_treasures {
2982	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
2983	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
2984	}	3543	}
2985		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
2986	sub reload_resources {	3568	sub reload_resources {
2987	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
2988		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
2989	reload_regions;	3576	reload_regions;
2990	reload_facedata;
2991	#reload_archetypes;#d#
2992	reload_archetypes;
2993	reload_treasures;	3577	reload_treasures;
2994		3578
2995	warn "finished reloading resource files\n";	3579	trace "finished reloading resource files\n";
2996	}	3580	}
2997		3581
2998	sub init {	3582	sub reload_config {
2999	reload_resources;	3583	trace "reloading config file...\n";
3000	}
3001		3584
3002	sub cfg_load {	3585	0 < aio_load "$CONFDIR/config", my $config
3003	open my $fh, "<:utf8", "$CONFDIR/config"	3586	or die "$CONFDIR/config: $!";
3004	or return;
3005		3587
3006	local $/;	3588	utf8::decode $config;
3007	*CFG = YAML::Syck::Load <$fh>;	3589	*CFG = yaml_load $config;
3008		3590
3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3010		3592
3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3013		3595
3014	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
3018	};	3600	};
3019	warn $@ if $@;	3601	warn $@ if $@;
3020	}	3602	}
3021	}	3603	}
3022		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
3023	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
3024	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
3025	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027	(async {	3646	(async {
3028	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
3029	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
3030	};	3650	};
3031		3651
3032	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
3033	db_init;	3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
3034	load_extensions;	3675	load_extensions;
3035		3676
3036	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
3037	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
3038	}	3695	}
3039		3696
3040	#############################################################################	3697	#############################################################################
3041	# initialisation and cleanup	3698	# initialisation and cleanup
3042		3699
3043	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
3044	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
3045	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
3046	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3047	reentrant => 0,
3048	data => WF_AUTOCANCEL,
3049	signal => $signal,
3050	prio => 0,
3051	cb => sub {
3052	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
3053	},
3054	);	3706	};
3055	}	3707	}
3056	}	3708	}
3057		3709
3058	sub write_runtime {	3710	sub write_runtime_sync {
3059	my $runtime = "$LOCALDIR/runtime";	3711	my $t0 = AE::time;
3060		3712
3061	# first touch the runtime file to show we are still running:	3713	# first touch the runtime file to show we are still running:
3062	# the fsync below can take a very very long time.	3714	# the fsync below can take a very very long time.
3063		3715
3064	IO::AIO::aio_utime $runtime, undef, undef;	3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3065		3717
3066	my $guard = cf::lock_acquire "write_runtime";	3718	my $guard = cf::lock_acquire "write_runtime";
3067		3719
3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3069	or return;	3721	or return;
3070		3722
3071	my $value = $cf::RUNTIME + 90 + 10;	3723	my $value = $cf::RUNTIME + 90 + 10;
3072	# 10 is the runtime save interval, for a monotonic clock	3724	# 10 is the runtime save interval, for a monotonic clock
3073	# 60 allows for the watchdog to kill the server.	3725	# 60 allows for the watchdog to kill the server.
…		…
3083	aio_utime $fh, undef, undef;	3735	aio_utime $fh, undef, undef;
3084		3736
3085	close $fh	3737	close $fh
3086	or return;	3738	or return;
3087		3739
3088	aio_rename "$runtime~", $runtime	3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3089	and return;	3741	and return;
3090		3742
3091	warn "runtime file written.\n";	3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3092		3744
3093	1	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
3094	}	3796	}
3095		3797
3096	sub emergency_save() {	3798	sub emergency_save() {
3097	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
3098		3800
3099	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
3100		3807
3101	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
3102	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
3103	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
3104	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
3105	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
3106	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
3107	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
3108	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109	$pl->save;	3819	$pl->save;
3110	}	3820	}
3111	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
3112		3822
3113	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
3114	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
3115	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
3116	$map->valid or next;	3828	$map->valid or next;
3117	$map->save;	3829	$map->save;
3118	}	3830	}
3119	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
3120		3832
3121	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
3123	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
3124	};	3861	};
3125		3862
3126	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
3127	}	3864	}
3128		3865
3129	sub post_cleanup {	3866	sub post_cleanup {
3130	my ($make_core) = @_;	3867	my ($make_core) = @_;
3131		3868
		3869	IO::AIO::flush;
		3870
3132	warn Carp::longmess "post_cleanup backtrace"	3871	error Carp::longmess "post_cleanup backtrace"
3133	if $make_core;	3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
3134	}	3901	}
3135		3902
3136	sub do_reload_perl() {	3903	sub do_reload_perl() {
3137	# can/must only be called in main	3904	# can/must only be called in main
3138	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
3139	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
3140	return;	3907	return;
3141	}	3908	}
3142		3909
3143	warn "reloading...";	3910	return if $RELOAD++;
3144		3911
3145	warn "entering sync_job";	3912	my $t1 = AE::time;
3146		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
3147	cf::sync_job {	3920	cf::sync_job {
3148	cf::write_runtime; # external watchdog should not bark
3149	cf::emergency_save;	3921	#cf::emergency_save;
3150	cf::write_runtime; # external watchdog should not bark
3151		3922
3152	warn "syncing database to disk";
3153	BDB::db_env_txn_checkpoint $DB_ENV;
3154
3155	# if anything goes wrong in here, we should simply crash as we already saved
3156
3157	warn "cancelling all WF_AUTOCANCEL watchers";
3158	for (Event::all_watchers) {
3159	$_->cancel if $_->data & WF_AUTOCANCEL;
3160	}
3161
3162	warn "flushing outstanding aio requests";
3163	for (;;) {
3164	BDB::flush;
3165	IO::AIO::flush;
3166	Coro::cede;
3167	last unless IO::AIO::nreqs || BDB::nreqs;
3168	warn "iterate...";
3169	}
3170
3171	++$RELOAD;
3172
3173	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
3174	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
3175	%EXT_CORO = ();	3925	%EXT_CORO = ();
3176		3926
3177	warn "removing commands";	3927	trace "perl_reload: removing commands";
3178	%COMMAND = ();	3928	%COMMAND = ();
3179		3929
3180	warn "removing ext/exti commands";	3930	trace "perl_reload: removing ext/exti commands";
3181	%EXTCMD = ();	3931	%EXTCMD = ();
3182	%EXTICMD = ();	3932	%EXTICMD = ();
3183		3933
3184	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
3185	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
3186	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
3187		3937
3188	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
3189	eval {	3939	eval {
3190	$cb->($pkg);	3940	$cb->($pkg);
3191	1	3941	1
3192	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
3193	}	3947	}
3194		3948
3195	warn "... nuking $pkg";
3196	Symbol::delete_package $pkg;
3197	}
3198
3199	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3200	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3202		3952
3203	warn "... unloading $k";	3953	trace "... unloading $k";
3204	delete $INC{$k};	3954	delete $INC{$k};
3205		3955
3206	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
3207	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
3208		3958
3209	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3210	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3211	}	3964	}
3212		3965
3213	Symbol::delete_package $k;
3214	}
3215
3216	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
3217	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3219		3969
3220	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
3221	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3222	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3223		3973
3224	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3225	# and global variables created in xs	3975	# and global variables created in xs
3226	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3227		3977
3228	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
3229		3979
3230	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
3231	require cf;	3981	require cf;
3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3233		3983
3234	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
3235	cf::cfg_load;	3985	cf::reload_config;
3236		3986
3237	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
3238	cf::load_extensions;	3988	cf::load_extensions;
3239		3989
		3990	if ($REATTACH_ON_RELOAD) {
3240	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
3241	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3242	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
3243	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3244	warn "reattaching attachments to players";	3995	trace "perl_reload: reattaching attachments to players";
3245	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3246		3998
3247	warn "leaving sync_job";	3999	cf::_post_init 1;
3248		4000
		4001	trace "perl_reload: leaving sync_job";
		4002
3249	1	4003	1
3250	} or do {	4004	} or do {
3251	warn $@;	4005	error $@;
3252	warn "error while reloading, exiting.";	4006	cf::cleanup "perl_reload: error, exiting.";
3253	exit 1;	4007	};
		4008
		4009	--$RELOAD;
3254	};	4010	}
3255		4011
3256	warn "reloaded";	4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
3257	};	4014	};
3258		4015
3259	our $RELOAD_WATCHER; # used only during reload	4016	our $RELOAD_WATCHER; # used only during reload
3260		4017
3261	sub reload_perl() {	4018	sub reload_perl() {
3262	# doing reload synchronously and two reloads happen back-to-back,	4019	# doing reload synchronously and two reloads happen back-to-back,
3263	# coro crashes during coro_state_free->destroy here.	4020	# coro crashes during coro_state_free->destroy here.
3264		4021
3265	$RELOAD_WATCHER ||= Event->timer (	4022	$RELOAD_WATCHER ||= cf::async {
3266	reentrant => 0,	4023	Coro::AIO::aio_wait cache_extensions;
3267	after => 0,	4024
3268	data => WF_AUTOCANCEL,	4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3269	cb => sub {
3270	do_reload_perl;	4026	do_reload_perl;
3271	undef $RELOAD_WATCHER;	4027	undef $RELOAD_WATCHER;
3272	},	4028	};
3273	);	4029	};
3274	}	4030	}
3275		4031
3276	register_command "reload" => sub {	4032	register_command "reload" => sub {
3277	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
3278		4034
3279	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
3280	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
		4037	async {
		4038	$Coro::current->{desc} = "perl_reload";
3281	async { reload_perl };	4039	reload_perl;
		4040	};
3282	}	4041	}
3283	};	4042	};
3284		4043
3285	unshift @INC, $LIBDIR;	4044	#############################################################################
3286		4045
3287	my $bug_warning = 0;	4046	my $bug_warning = 0;
3288		4047
3289	our @WAIT_FOR_TICK;	4048	our @WAIT_FOR_TICK;
3290	our @WAIT_FOR_TICK_BEGIN;	4049	our @WAIT_FOR_TICK_BEGIN;
3291		4050
3292	sub wait_for_tick {	4051	sub wait_for_tick() {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3295		4053
3296	my $signal = new Coro::Signal;	4054	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK, $signal;	4055	push @WAIT_FOR_TICK, $signal;
3298	$signal->wait;	4056	$signal->wait;
3299	}	4057	}
3300		4058
3301	sub wait_for_tick_begin {	4059	sub wait_for_tick_begin() {
3302	return unless $TICK_WATCHER->is_active;
3303	return if $Coro::current == $Coro::main;	4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3304		4061
3305	my $signal = new Coro::Signal;	4062	my $signal = new Coro::Signal;
3306	push @WAIT_FOR_TICK_BEGIN, $signal;	4063	push @WAIT_FOR_TICK_BEGIN, $signal;
3307	$signal->wait;	4064	$signal->wait;
3308	}	4065	}
3309		4066
3310	my $min = 1e6;#d#	4067	sub tick {
3311	my $avg = 10;
3312	$TICK_WATCHER = Event->timer (
3313	reentrant => 0,
3314	parked => 1,
3315	prio => 0,
3316	at => $NEXT_TICK || $TICK,
3317	data => WF_AUTOCANCEL,
3318	cb => sub {
3319	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
3322	return;	4071	return;
3323	}	4072	}
3324		4073
3325	$NOW = $tick_start = Event::time;
3326
3327	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
3328		4075
3329	0 && sync_job {#d#	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3330	for(1..10) {
3331	my $t = Event::time;
3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3333	or die;
3334		4077
3335	$map->width (50);	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336	$map->height (50);	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3337	$map->alloc;	4080	Coro::async_pool {
3338	$map->_load_objects ("/tmp/x.map", 1);	4081	$Coro::current->{desc} = "runtime saver";
3339	my $t = Event::time - $t;	4082	write_runtime_sync
3340		4083	or error "ERROR: unable to write runtime file: $!";
3341	#next unless $t < 0.0013;#d#
3342	if ($t < $min) {
3343	$min = $t;
3344	}
3345	$avg = $avg * 0.99 + $t * 0.01;
3346	}
3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348	exit 0;
3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350	};	4084	};
		4085	}
3351		4086
3352	$RUNTIME += $TICK;
3353	$NEXT_TICK += $TICK;
3354
3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
3357	Coro::async_pool {
3358	write_runtime
3359	or warn "ERROR: unable to write runtime file: $!";
3360	};
3361	}
3362
3363	# my $AFTER = Event::time;
3364	# warn $AFTER - $NOW;#d#
3365
3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367	$sig->send;	4088	$sig->send;
3368	}	4089	}
3369	while (my $sig = shift @WAIT_FOR_TICK) {	4090	while (my $sig = shift @WAIT_FOR_TICK) {
3370	$sig->send;	4091	$sig->send;
3371	}	4092	}
3372		4093
3373	$NOW = Event::time;	4094	$LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375	# if we are delayed by four ticks or more, skip them all
3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378	$TICK_WATCHER->at ($NEXT_TICK);
3379	$TICK_WATCHER->start;
3380
3381	$LOAD = ($NOW - $tick_start) / $TICK;
3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383		4096
3384	_post_tick;	4097	if (0) {
3385		4098	if ($NEXT_TICK) {
3386		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
3387	},	4103	}
3388	);	4104	}
3389		4105
3390	{	4106	{
3391	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
3392	$BDB_POLL_WATCHER = Event->io (	4108
3393	reentrant => 0,
3394	fd => BDB::poll_fileno,
3395	poll => 'r',
3396	prio => 0,
3397	data => WF_AUTOCANCEL,
3398	cb => \&BDB::poll_cb,
3399	);
3400	BDB::min_parallel 8;	4109	BDB::min_parallel 16;
3401		4110	BDB::max_poll_reqs $TICK * 0.1;
3402	BDB::set_sync_prepare {	4111	$AnyEvent::BDB::WATCHER->priority (1);
3403	my $status;
3404	my $current = $Coro::current;
3405	(
3406	sub {
3407	$status = $!;
3408	$current->ready; undef $current;
3409	},
3410	sub {
3411	Coro::schedule while defined $current;
3412	$! = $status;
3413	},
3414	)
3415	};
3416		4112
3417	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
3418	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419		4120
3420	cf::sync_job {	4121	cf::sync_job {
3421	eval {	4122	eval {
3422	BDB::db_env_open	4123	BDB::db_env_open
3423	$DB_ENV,	4124	$DB_ENV,
…		…
3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427	0666;	4128	0666;
3428		4129
3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432	$DB_ENV->set_lk_detect;
3433	};	4131	};
3434		4132
3435	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
3436	};	4134	};
3437	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
3438	}	4146	}
3439		4147
3440	{	4148	{
		4149	# configure IO::AIO
		4150
3441	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
3442
3443	undef $Coro::AIO::WATCHER;
3444	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
3445	$AIO_POLL_WATCHER = Event->io (	4153	undef $AnyEvent::AIO::WATCHER;
3446	reentrant => 0,
3447	data => WF_AUTOCANCEL,
3448	fd => IO::AIO::poll_fileno,
3449	poll => 'r',
3450	prio => 6,
3451	cb => \&IO::AIO::poll_cb,
3452	);
3453	}	4154	}
3454		4155
3455	my $_log_backtrace;	4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
3456		4158
3457	sub _log_backtrace {	4159	sub _log_backtrace {
3458	my ($msg, @addr) = @_;	4160	my ($msg, @addr) = @_;
3459		4161
3460	$msg =~ s/\n//;	4162	$msg =~ s/\n$//;
3461		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3462	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3463	if ($_log_backtrace < 2) {	4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
3464	++$_log_backtrace;	4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
3465	async {	4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
3466	my @bt = fork_call {	4175	my @bt = fork_call {
3467	@addr = map { sprintf "%x", $_ } @addr;	4176	@addr = map { sprintf "%x", $_ } @addr;
3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470	or die "addr2line: $!";	4179	or die "addr2line: $!";
…		…
3478	}	4187	}
3479		4188
3480	@funcs	4189	@funcs
3481	};	4190	};
3482		4191
3483	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3484	LOG llevInfo, "[ABT] $_\n" for @bt;	4194	LOG llevInfo, "[ABT] $_\n" for @bt;
3485	--$_log_backtrace;	4195	--$_log_backtrace;
3486	};	4196	};
3487	} else {	4197	} else {
3488	LOG llevInfo, "[ABT] $msg\n";	4198	LOG llevInfo, "[ABT] $msg\n";
3489	LOG llevInfo, "[ABT] [suppressed]\n";	4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3490	}	4200	}
3491	}	4201	}
3492		4202
3493	# load additional modules	4203	# load additional modules
3494	use cf::pod;	4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
3495		4206
3496	END { cf::emergency_save }	4207	END { cf::emergency_save }
3497		4208
3498	1	4209	1
3499		4210

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