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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.392 by root, Fri Oct 26 04:44:54 2007 UTC vs.
Revision 1.525 by root, Wed Apr 21 03:34:26 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 4.1 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.51 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	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	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$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		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
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;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
75		115
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	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	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	118	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		120
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	121	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	122	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	124	our $DB_ENV;
89		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
		127
90	our %CFG;	128	our %CFG;
91		129
92	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
94		133
95	our (%PLAYER, %PLAYER_LOADING); # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
98		137
99	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		140
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
105		150
106	binmode STDOUT;	151	binmode STDOUT;
107	binmode STDERR;	152	binmode STDERR;
108		153
109	# read virtual server time, if available	154	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
114	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
115		162
116	mkdir $_	163	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		165
119	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
120		167
121	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		184
123	#############################################################################	185	#############################################################################
124		186
125	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
126		188
…		…
162		224
163	The raw value load value from the last tick.	225	The raw value load value from the last tick.
164		226
165	=item %cf::CFG	227	=item %cf::CFG
166		228
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	230	from wherever your confdir points to.
169		231
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		233
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		237
176	=item @cf::INVOKE_RESULTS	238	=item @cf::INVOKE_RESULTS
177		239
178	This array contains the results of the last C<invoke ()> call. When	240	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	242	that call.
181		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
182	=back	250	=back
183		251
184	=cut	252	=cut
185		253
186	BEGIN {	254	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	255	my $msg = join "", @_;
189		256
190	$msg .= "\n"	257	$msg .= "\n"
191	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
192		259
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		261
195	LOG llevError, $msg;	262	LOG llevError, $msg;
196	};	263	};
197	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
198		278
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	289	for my $pkg (qw(
210	cf::global cf::attachable	290	cf::global cf::attachable
211	cf::object cf::object::player	291	cf::object cf::object::player
212	cf::client cf::player	292	cf::client cf::player
213	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
214	cf::map cf::party cf::region	295	cf::party cf::region
215	)) {	296	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	298	}
219		299
220	$Event::DIED = sub {	300	$EV::DIED = sub {
221	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
222	};	302	};
223		303
224	#############################################################################	304	#############################################################################
225		305
226	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	329	$d
250	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
251	}	331	}
252		332
253	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
254		334
255	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
256		336
257	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
258		338
259	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
260		340
261	=cut	341	=cut
262		342
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		344
265	sub to_json ($) { $json_coder->encode ($_[0]) }	345	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
267		361
268	=item cf::lock_wait $string	362	=item cf::lock_wait $string
269		363
270	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
271		365
272	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
273		367
274	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
277	returned.	371	returned.
278		372
279	Locks are *not* recursive, locking from the same coro twice results in a	373	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	374	deadlocked coro.
…		…
286		380
287	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
288		382
289	=cut	383	=cut
290		384
291	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		386
294	sub lock_wait($) {	387	sub lock_wait($) {
295	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	389	}
308		390
309	sub lock_acquire($) {	391	sub lock_acquire($) {
310	my ($key) = @_;	392	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	393	}
324		394
325	sub lock_active($) {	395	sub lock_active($) {
326	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	397	}
330		398
331	sub freeze_mainloop {	399	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
333		401
334	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	403	}
336	};	404
337	$TICK_WATCHER->stop;	405	=item cf::periodic $interval, $cb
338	$guard	406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
339	}	418	}
340		419
341	=item cf::get_slot $time[, $priority[, $name]]	420	=item cf::get_slot $time[, $priority[, $name]]
342		421
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
351		430
352	=cut	431	=cut
353		432
354	our @SLOT_QUEUE;	433	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
356		436
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	438	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	439	$Coro::current->desc ("timeslot manager");
360		440
361	my $signal = new Coro::Signal;	441	my $signal = new Coro::Signal;
		442	my $busy;
362		443
363	while () {	444	while () {
364	next_job:	445	next_job:
		446
365	my $avail = cf::till_tick;	447	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	448
367	for (0 .. $#SLOT_QUEUE) {	449	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	452	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	453	$job->[2]->send;
371	Coro::cede;	454	Coro::cede;
372	goto next_job;	455	goto next_job;
373	}	456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	458	}
375	}	459	}
376		460
377	if (@SLOT_QUEUE) {	461	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	463	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	464	$signal->wait;
381	} else {	465	} else {
		466	$busy = 0;
382	Coro::schedule;	467	Coro::schedule;
383	}	468	}
384	}	469	}
385	};	470	};
386		471
387	sub get_slot($;$$) {	472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
388	my ($time, $pri, $name) = @_;	475	my ($time, $pri, $name) = @_;
389		476
390	$time = $TICK * .6 if $time > $TICK * .6;	477	$time = clamp $time, 0.01, $TICK * .6;
		478
391	my $sig = new Coro::Signal;	479	my $sig = new Coro::Signal;
392		480
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	483	$SLOT_QUEUE->ready;
…		…
406		494
407	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
408		496
409	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
410		498
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	499	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	500	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	502	acceptable.
415		503
416	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		510
423	sub sync_job(&) {	511	sub sync_job(&) {
424	my ($job) = @_;	512	my ($job) = @_;
425		513
426	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	515	my $time = AE::time;
428		516
429	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
431		519
432	LOG llevError, Carp::longmess "sync job";#d#	520	LOG llevError, Carp::longmess "sync job";#d#
433		521
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
437		523
438	my $busy = 1;	524	my $busy = 1;
439	my @res;	525	my @res;
440		526
…		…
447		533
448	while ($busy) {	534	while ($busy) {
449	if (Coro::nready) {	535	if (Coro::nready) {
450	Coro::cede_notself;	536	Coro::cede_notself;
451	} else {	537	} else {
452	Event::one_event;	538	EV::loop EV::LOOP_ONESHOT;
453	}	539	}
454	}	540	}
455		541
456	$time = Event::time - $time;	542	my $time = AE::time - $time;
457		543
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
462		545
463	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
464	} else {	547	} else {
465	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
466		549
…		…
491	=item fork_call { }, $args	574	=item fork_call { }, $args
492		575
493	Executes the given code block with the given arguments in a seperate	576	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	577	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	578	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	579	never block itself or use any form of event handling.
497		580
498	=cut	581	=cut
499		582
500	sub fork_call(&@) {	583	sub fork_call(&@) {
501	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
…		…
508	reset_signals;	591	reset_signals;
509	&$cb	592	&$cb
510	}, @args;	593	}, @args;
511		594
512	wantarray ? @res : $res[-1]	595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
		599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
513	}	634	}
514		635
515	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
516		637
517	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
656		777
657	#############################################################################	778	#############################################################################
658		779
659	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
660		781
661	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
664		785
665	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	788	Deliantra).
668		789
669	=over 4	790	=over 4
670		791
671	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
672		793
…		…
716	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
717		838
718	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
720		841
721	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
723		844
724	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
725		846
726	=over 4	847	=over 4
…		…
954	}	1075	}
955		1076
956	0	1077	0
957	}	1078	}
958		1079
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1081
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1083
963	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
964		1085
…		…
1017		1138
1018	sub reattach {	1139	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1141	my ($obj) = @_;
1021		1142
		1143	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1145
1024	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
1025		1147
1026	@$registry = ();	1148	@$registry = ();
1027		1149
…		…
1042	cf::attachable->attach (	1164	cf::attachable->attach (
1043	prio => -1000000,	1165	prio => -1000000,
1044	on_instantiate => sub {	1166	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
1046		1168
1047	$data = from_json $data;	1169	$data = decode_json $data;
1048		1170
1049	for (@$data) {	1171	for (@$data) {
1050	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
1051		1173
1052	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1195	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
1076		1198
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
1081	close $fh;	1206	aio_close $fh;
1082		1207
1083	if (@$objs) {	1208	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
1089	close $fh;	1217	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1219	}
1092	} else {	1220	} else {
1093	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
1094	}	1222	}
1095		1223
1096	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1228	} else {
1098	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
1099	}	1230	}
1100	} else {	1231	} else {
1101	aio_unlink $filename;	1232	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
1103	}	1234	}
…		…
1194	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1195		1326
1196	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1197	}	1328	}
1198		1329
		1330	use File::Glob ();
		1331
1199	cf::player->attach (	1332	cf::player->attach (
1200	on_command => sub {	1333	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1202		1335
1203	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1204	or return;	1337	or return;
1205		1338
…		…
1235		1368
1236	cf::override;	1369	cf::override;
1237	},	1370	},
1238	);	1371	);
1239		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
		1385
1240	sub load_extensions {	1386	sub load_extensions {
1241	cf::sync_job {	1387	cf::sync_job {
1242	my %todo;	1388	my %todo;
1243		1389
1244	for my $path (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1409
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1412
1267	$ext{source} =	1413	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1270	. $source	1416	. $source
1271	. "\n};\n1";	1417	. "\n};\n1";
1272		1418
1273	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1274	}	1420	}
1275		1421
		1422	my $pass = 0;
1276	my %done;	1423	my %done;
1277	while (%todo) {	1424	while (%todo) {
1278	my $progress;	1425	my $progress;
1279		1426
		1427	++$pass;
		1428
		1429	ext:
1280	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1432	next ext
1283	unless exists $done{$_};	1433	unless exists $done{$_};
1284	}	1434	}
1285		1435
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1437
1288	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1293	warn $msg;	1445
1294	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1447	delete $todo{$k};
1296	}	1448	} else {
1297		1449	$done{$k} = delete $todo{$k};
1298	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1299	}	1455	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1456	}
1305		1457
1306	skip:	1458	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1309	}	1466	}
1310	};	1467	};
1311	}	1468	}
1312		1469
1313	#############################################################################	1470	#############################################################################
1314		1471
1315	=back	1472	=back
1316		1473
1317	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1318		1475
1319	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1320		1477
1321	=cut	1478	=cut
1322		1479
1323	package cf::player;	1480	package cf::player;
1324		1481
…		…
1367		1524
1368	sub exists($) {	1525	sub exists($) {
1369	my ($login) = @_;	1526	my ($login) = @_;
1370		1527
1371	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1373	}	1530	}
1374		1531
1375	sub find($) {	1532	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1534	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1546	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1547	or return;
1391		1548
1392	my $pl = cf::player::load_pl $f	1549	my $pl = cf::player::load_pl $f
1393	or return;	1550	or return;
		1551
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1552	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1553	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1397	}	1555	}
1398	}	1556	}
1399	}	1557	}
1400		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
		1571
1401	sub save($) {	1572	sub save($) {
1402	my ($pl) = @_;	1573	my ($pl) = @_;
1403		1574
1404	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
1405		1576
…		…
1408		1579
1409	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1410		1581
1411	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1589
1414	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1591	cf::cede_to_tick;
1416	}	1592	}
1417		1593
…		…
1449	my ($pl) = @_;	1625	my ($pl) = @_;
1450		1626
1451	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1452		1628
1453	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1631
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1460		1638
1461	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1679
1502	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
1503	my $path = path $login;	1681	my $path = path $login;
1504		1682
1505	# a .pst is a dead give-away for a valid player	1683	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1689	}
1511		1690
…		…
1515		1694
1516	\@logins	1695	\@logins
1517	}	1696	}
1518		1697
1519	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1520		1701
1521	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1522	player. May block.	1703	player. May block.
1523		1704
1524	=cut	1705	=cut
…		…
1542	}	1723	}
1543		1724
1544	\@paths	1725	\@paths
1545	}	1726	}
1546		1727
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1729
1549	Expand crossfire pod fragments into protocol xml.	1730	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	(?:
1558	\ (.*?)\ (?{ $group = $^N })
1559	| < (??{$interior}) >
1560	)
1561	}x;
1562
1563	sub expand_cfpod {
1564	my ($self, $pod) = @_;
1565
1566	my $xml;
1567
1568	while () {
1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1570	$group = $1;
1571
1572	$group =~ s/&/&amp;/g;
1573	$group =~ s/</&lt;/g;
1574
1575	$xml .= $group;
1576	} elsif ($pod =~ m%\G
1577	([BCGHITU])
1578	<
1579	(?:
1580	([^<>]*) (?{ $group = $^N })
1581	| < $interior >
1582	)
1583	>
1584	%gcsx
1585	) {
1586	my ($code, $data) = ($1, $group);
1587
1588	if ($code eq "B") {
1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590	} elsif ($code eq "I") {
1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592	} elsif ($code eq "U") {
1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594	} elsif ($code eq "C") {
1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596	} elsif ($code eq "T") {
1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598	} elsif ($code eq "G") {
1599	my ($male, $female) = split /\|/, $data;
1600	$data = $self->gender ? $female : $male;
1601	$xml .= expand_cfpod ($self, $data);
1602	} elsif ($code eq "H") {
1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605	"")
1606	[$self->{hintmode}];
1607	} else {
1608	$xml .= "error processing '$code($data)' directive";
1609	}
1610	} else {
1611	if ($pod =~ /\G(.+)/) {
1612	warn "parse error while expanding $pod (at $1)";
1613	}
1614	last;
1615	}
1616	}
1617
1618	for ($xml) {
1619	# create single paragraphs (very hackish)
1620	s/(?<=\S)\n(?=\w)/ /g;
1621
1622	# compress some whitespace
1623	s/\s+\n/\n/g; # ws line-ends
1624	s/\n\n+/\n/g; # double lines
1625	s/^\n+//; # beginning lines
1626	s/\n+$//; # ending lines
1627	}
1628
1629	$xml
1630	}
1631
1632	sub hintmode {
1633	$_[0]{hintmode} = $_[1] if @_ > 1;
1634	$_[0]{hintmode}
1635	}
1636		1731
1637	=item $player->ext_reply ($msgid, @msg)	1732	=item $player->ext_reply ($msgid, @msg)
1638		1733
1639	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1640		1735
…		…
1672		1767
1673	=cut	1768	=cut
1674		1769
1675	sub find_by_path($) {	1770	sub find_by_path($) {
1676	my ($path) = @_;	1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
1677		1774
1678	my ($match, $specificity);	1775	my ($match, $specificity);
1679		1776
1680	for my $region (list) {	1777	for my $region (list) {
1681	if ($region->{match} && $path =~ $region->{match}) {	1778	if ($region->{match} && $path =~ $region->{match}) {
…		…
1707	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1709		1806
1710	sub generate_random_map {	1807	sub generate_random_map {
1711	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1712	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1713	$self->_create_random_map (	1813	$self->_create_random_map (
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1717	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1718	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1719	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1720	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1742		1842
1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744	}	1844	}
1745		1845
1746	# also paths starting with '/'	1846	# also paths starting with '/'
1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1748		1848
1749	sub thawer_merge {	1849	sub thawer_merge {
1750	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1751		1851
1752	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
…		…
1838		1938
1839	# the temporary/swap location	1939	# the temporary/swap location
1840	sub save_path {	1940	sub save_path {
1841	my ($self) = @_;	1941	my ($self) = @_;
1842		1942
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1845	}	1945	}
1846		1946
1847	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1848	sub uniq_path {	1948	sub uniq_path {
1849	my ($self) = @_;	1949	my ($self) = @_;
1850		1950
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1853	}
1854
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}	1953	}
1863		1954
1864	sub decay_objects {	1955	sub decay_objects {
1865	my ($self) = @_;	1956	my ($self) = @_;
1866		1957
…		…
1950	sub find {	2041	sub find {
1951	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1952		2043
1953	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1954		2045
1955	cf::lock_wait "map_data:$path";#d#remove	2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1957		2048
1958	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_find:$path";
1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1962	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1963	or return;	2051	or return;
1964		2052
1965	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1966		2054
…		…
1968	or return;	2056	or return;
1969		2057
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
1973	undef $guard1;	2062	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	2063	$map->reset;
1976	return find $path;	2064	return find $path;
1977	}	2065	}
1978		2066
1979	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1980	}	2068	}
1981	}	2069	}
1982		2070
1983	sub pre_load { }	2071	sub pre_load { }
1984	sub post_load { }	2072	#sub post_load { } # XS
1985		2073
1986	sub load {	2074	sub load {
1987	my ($self) = @_;	2075	my ($self) = @_;
1988		2076
1989	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2094	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2095	$f->skip_block;
2008	$self->_load_objects ($f)	2096	$self->_load_objects ($f)
2009	or return;	2097	or return;
2010		2098
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
2012	if delete $self->{load_original};	2100	if delete $self->{load_original};
2013		2101
2014	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2103	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2104	unless (aio_stat $uniq) {
…		…
2034	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2123	$self->decay_objects;
2036	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
2037	$self->update_buttons;	2125	$self->update_buttons;
2038	cf::cede_to_tick;	2126	cf::cede_to_tick;
2039	$self->set_darkness_map;
2040	cf::cede_to_tick;
2041	$self->activate;	2127	$self->activate;
2042	}	2128	}
2043		2129
2044	$self->{last_save} = $cf::RUNTIME;	2130	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2131	$self->last_access ($cf::RUNTIME);
2046		2132
2047	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2134	}
2049		2135
2050	$self->post_load;	2136	$self->post_load;
2051	}	2137	}
2052		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
2053	sub customise_for {	2142	sub customise_for {
2054	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
2055		2144
2056	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
2057	if $self->per_player;	2146	if $self->per_player;
…		…
2110	my ($path, $origin, $load) = @_;	2199	my ($path, $origin, $load) = @_;
2111		2200
2112	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
2113		2202
2114	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116	}	2205	}
2117		2206
2118	$MAP_PREFETCH{$path} |= $load;	2207	$MAP_PREFETCH{$path} |= $load;
2119		2208
2120	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
…		…
2134	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
2135		2224
2136	()	2225	()
2137	}	2226	}
2138		2227
		2228	# common code, used by both ->save and ->swapout
2139	sub save {	2229	sub _save {
2140	my ($self) = @_;	2230	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2231
2144	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
2145		2233
2146	return unless $self->dirty;	2234	return unless $self->dirty;
2147		2235
…		…
2156		2244
2157	cf::async {	2245	cf::async {
2158	$Coro::current->{desc} = "map player save";	2246	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
2160	};	2248	};
		2249
		2250	cf::get_slot 0.02;
2161		2251
2162	if ($uniq) {	2252	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2255	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2167	}	2257	}
2168	}	2258	}
2169		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
2170	sub swap_out {	2268	sub swap_out {
2171	my ($self) = @_;	2269	my ($self) = @_;
2172		2270
2173	# save first because save cedes
2174	$self->save;
2175
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
2178	return if $self->players;	2275	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
2180	return if $self->{deny_save};
2181		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2182	$self->in_memory (cf::MAP_SWAPPED);	2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
		2286	$self->clear;
		2287	}
		2288
		2289	sub reset_at {
		2290	my ($self) = @_;
		2291
		2292	# TODO: safety, remove and allow resettable per-player maps
		2293	return 1e99 if $self->{deny_reset};
		2294
		2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2297
		2298	$time + $to
		2299	}
		2300
		2301	sub should_reset {
		2302	my ($self) = @_;
		2303
		2304	$self->reset_at <= $cf::RUNTIME
		2305	}
		2306
		2307	sub reset {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	return if $self->players;
		2313
		2314	warn "resetting map ", $self->path, "\n";
		2315
		2316	$self->in_memory (cf::MAP_SWAPPED);
		2317
		2318	# need to save uniques path
		2319	unless ($self->{deny_save}) {
		2320	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2321
		2322	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2323	if $uniq;
		2324	}
		2325
		2326	delete $cf::MAP{$self->path};
2183		2327
2184	$self->deactivate;	2328	$self->deactivate;
2185	$_->clear_links_to ($self) for values %cf::MAP;	2329	$_->clear_links_to ($self) for values %cf::MAP;
2186	$self->clear;	2330	$self->clear;
2187	}
2188
2189	sub reset_at {
2190	my ($self) = @_;
2191
2192	# TODO: safety, remove and allow resettable per-player maps
2193	return 1e99 if $self->{deny_reset};
2194
2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2197
2198	$time + $to
2199	}
2200
2201	sub should_reset {
2202	my ($self) = @_;
2203
2204	$self->reset_at <= $cf::RUNTIME
2205	}
2206
2207	sub reset {
2208	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211
2212	return if $self->players;
2213
2214	warn "resetting map ", $self->path;
2215
2216	$self->in_memory (cf::MAP_SWAPPED);
2217
2218	# need to save uniques path
2219	unless ($self->{deny_save}) {
2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
2221
2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2223	if $uniq;
2224	}
2225
2226	delete $cf::MAP{$self->path};
2227
2228	$self->deactivate;
2229	$_->clear_links_to ($self) for values %cf::MAP;
2230	$self->clear;
2231		2331
2232	$self->unlink_save;	2332	$self->unlink_save;
2233	$self->destroy;	2333	$self->destroy;
2234	}	2334	}
2235		2335
…		…
2243		2343
2244	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2245		2345
2246	$self->unlink_save;	2346	$self->unlink_save;
2247		2347
2248	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
2249	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
2250	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
2251	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2253		2353
…		…
2302		2402
2303	sub unique_maps() {	2403	sub unique_maps() {
2304	[	2404	[
2305	map {	2405	map {
2306	utf8::decode $_;	2406	utf8::decode $_;
2307	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
2308	? normalise $_	2410	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2412	]
2312	}	2413	}
2313		2414
2314	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
2315		2446
2316	=back	2447	=back
2317		2448
2318	=head3 cf::object	2449	=head3 cf::object
2319		2450
…		…
2323		2454
2324	=over 4	2455	=over 4
2325		2456
2326	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
2327		2458
2328	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
2329		2461
2330	=cut	2462	=cut
2331		2463
2332	sub inv_recursive_;	2464	sub inv_recursive_;
2333	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
2339	}	2471	}
2340		2472
2341	=item $ref = $ob->ref	2473	=item $ref = $ob->ref
2342		2474
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2475	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2476
2345	=item $ob = cf::object::deref ($refstring)	2477	=item $ob = cf::object::deref ($refstring)
2346		2478
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348	even if the object actually exists. May block.	2480	even if the object actually exists. May block.
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
2382		2514
2383	=cut	2515	=cut
2384		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
		2530
2385	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2532	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2535	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2546	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2548
2403	} else {	2549	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2552	}
2407	}	2553	}
2408	}	2554	}
2409		2555
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2581
2436	=item $player_object->enter_link	2582	=item $player_object->enter_link
2437		2583
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2585
2440	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
2441	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
2442		2590
2443	Will never block.	2591	Will never block.
2444		2592
2445	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2446		2594
…		…
2471	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2472		2620
2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2474	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2475		2623
2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2477	}	2625	}
2478		2626
2479	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2480	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2481		2629
…		…
2498	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2499	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2500		2648
2501	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2502	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2503	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2504		2652
2505	$map->load;	2653	$map->load;
2506	$map->load_neighbours;	2654	$map->load_neighbours;
2507		2655
2508	return unless $self->contr->active;	2656	return unless $self->contr->active;
2509	$self->activate_recursive;
2510		2657
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive
		2663	unless exists $self->{_link_pos}; # maybe we re in-flight again
2513	}	2664	}
2514		2665
2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2516		2667
2517	Moves the player to the given map-path and coordinates by first freezing	2668	Moves the player to the given map-path and coordinates by first freezing
2518	her, loading and preparing them map, calling the provided $check callback	2669	her, loading and preparing them map, calling the provided $check callback
2519	that has to return the map if sucecssful, and then unfreezes the player on	2670	that has to return the map if sucecssful, and then unfreezes the player on
2520	the new (success) or old (failed) map position. In either case, $done will	2671	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2672	be called at the end of this process.
		2673
		2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
2522		2676
2523	=cut	2677	=cut
2524		2678
2525	our $GOTOGEN;	2679	our $GOTOGEN;
2526		2680
…		…
2605	}	2759	}
2606		2760
2607	sub prepare_random_map {	2761	sub prepare_random_map {
2608	my ($exit) = @_;	2762	my ($exit) = @_;
2609		2763
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2766	# that depends on the exit object
2615		2767
2616	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2770	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
2623	}	2777	}
2624		2778
2625	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
2626		2780
2627	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
2630		2784
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2787	undef $fh;
2634	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
2635		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
2638	}	2796	}
2639	}	2797	}
2640		2798
2641	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2643		2801
2644	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2645		2803
2646	if ($exit->slaying eq "/!") {
2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
2648	# the problem is that $exit might not survive long enough
2649	# so it needs to be done right now, right here
2650	cf::sync_job { prepare_random_map $exit };
2651	}
2652
2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2654	my $hp = $exit->stats->hp;
2655	my $sp = $exit->stats->sp;
2656
2657	$self->enter_link;	2804	$self->enter_link;
2658		2805
2659	# if exit is damned, update players death & WoR home-position
2660	$self->contr->savebed ($slaying, $hp, $sp)
2661	if $exit->flag (FLAG_DAMNED);
2662
2663	(async {	2806	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2807	$Coro::current->{desc} = "enter_exit";
2665		2808
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2668	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2669		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2670	1;	2830	1
2671	}) {	2831	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2676		2836
2677	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2694	sub cf::client::send_drawinfo {	2854	sub cf::client::send_drawinfo {
2695	my ($self, $text, $flags) = @_;	2855	my ($self, $text, $flags) = @_;
2696		2856
2697	utf8::encode $text;	2857	utf8::encode $text;
2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2859	}
		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
2699	}	2884	}
2700		2885
2701	=item $client->send_msg ($channel, $msg, $color, [extra...])	2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
2702		2887
2703	Send a drawinfo or msg packet to the client, formatting the msg for the	2888	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2707		2892
2708	=cut	2893	=cut
2709		2894
2710	# non-persistent channels (usually the info channel)	2895	# non-persistent channels (usually the info channel)
2711	our %CHANNEL = (	2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
2712	"c/identify" => {	2903	"c/identify" => {
2713	id => "infobox",	2904	id => "infobox",
2714	title => "Identify",	2905	title => "Identify",
2715	reply => undef,	2906	reply => undef,
2716	tooltip => "Items recently identified",	2907	tooltip => "Items recently identified",
…		…
2718	"c/examine" => {	2909	"c/examine" => {
2719	id => "infobox",	2910	id => "infobox",
2720	title => "Examine",	2911	title => "Examine",
2721	reply => undef,	2912	reply => undef,
2722	tooltip => "Signs and other items you examined",	2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
2723	},	2920	},
2724	"c/book" => {	2921	"c/book" => {
2725	id => "infobox",	2922	id => "infobox",
2726	title => "Book",	2923	title => "Book",
2727	reply => undef,	2924	reply => undef,
…		…
2743	id => "infobox",	2940	id => "infobox",
2744	title => "Body Parts",	2941	title => "Body Parts",
2745	reply => undef,	2942	reply => undef,
2746	tooltip => "Shows which body parts you posess and are available",	2943	tooltip => "Shows which body parts you posess and are available",
2747	},	2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
2748	"c/uptime" => {	2981	"c/uptime" => {
2749	id => "infobox",	2982	id => "infobox",
2750	title => "Uptime",	2983	title => "Uptime",
2751	reply => undef,	2984	reply => undef,
2752	tooltip => "How long the server has been running since last restart",	2985	tooltip => "How long the server has been running since last restart",
…		…
2755	id => "infobox",	2988	id => "infobox",
2756	title => "Map Info",	2989	title => "Map Info",
2757	reply => undef,	2990	reply => undef,
2758	tooltip => "Information related to the maps",	2991	tooltip => "Information related to the maps",
2759	},	2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
2760	);	3007	);
2761		3008
2762	sub cf::client::send_msg {	3009	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	3010	my ($self, $channel, $msg, $color, @extra) = @_;
2764		3011
2765	$msg = $self->pl->expand_cfpod ($msg);	3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
2766		3014
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		3016
2769	# check predefined channels, for the benefit of C	3017	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	3018	if ($CHANNEL{$channel}) {
2771	$channel = $CHANNEL{$channel};	3019	$channel = $CHANNEL{$channel};
2772		3020
2773	$self->ext_msg (channel_info => $channel)	3021	$self->ext_msg (channel_info => $channel);
2774	if $self->can_msg;
2775
2776	$channel = $channel->{id};	3022	$channel = $channel->{id};
2777		3023
2778	} elsif (ref $channel) {	3024	} elsif (ref $channel) {
2779	# send meta info to client, if not yet sent	3025	# send meta info to client, if not yet sent
2780	unless (exists $self->{channel}{$channel->{id}}) {	3026	unless (exists $self->{channel}{$channel->{id}}) {
2781	$self->{channel}{$channel->{id}} = $channel;	3027	$self->{channel}{$channel->{id}} = $channel;
2782	$self->ext_msg (channel_info => $channel)	3028	$self->ext_msg (channel_info => $channel);
2783	if $self->can_msg;
2784	}	3029	}
2785		3030
2786	$channel = $channel->{id};	3031	$channel = $channel->{id};
2787	}	3032	}
2788		3033
2789	return unless @extra || length $msg;	3034	return unless @extra || length $msg;
2790		3035
2791	if ($self->can_msg) {
2792	# default colour, mask it out	3036	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	3038	if $color & cf::NDI_DEF;
2795		3039
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2798	} else {	3043	);
2799	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {
2802	1 while
2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808	}
2809		3044
2810	$color &= cf::NDI_COLOR_MASK;	3045	$self->send_big_packet ($pkt);
2811
2812	utf8::encode $msg;
2813
2814	if (0 && $msg =~ /\[/) {
2815	# COMMAND/INFO
2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
2817	} else {
2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819	$self->send_packet ("drawinfo $color $msg")
2820	}
2821	}
2822	}
2823	}	3046	}
2824		3047
2825	=item $client->ext_msg ($type, @msg)	3048	=item $client->ext_msg ($type, @msg)
2826		3049
2827	Sends an ext event to the client.	3050	Sends an ext event to the client.
…		…
2830		3053
2831	sub cf::client::ext_msg($$@) {	3054	sub cf::client::ext_msg($$@) {
2832	my ($self, $type, @msg) = @_;	3055	my ($self, $type, @msg) = @_;
2833		3056
2834	if ($self->extcmd == 2) {	3057	if ($self->extcmd == 2) {
2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836	} elsif ($self->extcmd == 1) { # TODO: remove	3059	} elsif ($self->extcmd == 1) { # TODO: remove
2837	push @msg, msgtype => "event_$type";	3060	push @msg, msgtype => "event_$type";
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839	}	3062	}
2840	}	3063	}
2841		3064
2842	=item $client->ext_reply ($msgid, @msg)	3065	=item $client->ext_reply ($msgid, @msg)
2843		3066
…		…
2847		3070
2848	sub cf::client::ext_reply($$@) {	3071	sub cf::client::ext_reply($$@) {
2849	my ($self, $id, @msg) = @_;	3072	my ($self, $id, @msg) = @_;
2850		3073
2851	if ($self->extcmd == 2) {	3074	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853	} elsif ($self->extcmd == 1) {	3076	} elsif ($self->extcmd == 1) {
2854	#TODO: version 1, remove	3077	#TODO: version 1, remove
2855	unshift @msg, msgtype => "reply", msgid => $id;	3078	unshift @msg, msgtype => "reply", msgid => $id;
2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857	}	3080	}
2858	}	3081	}
2859		3082
2860	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2861		3084
…		…
2962		3185
2963	$coro	3186	$coro
2964	}	3187	}
2965		3188
2966	cf::client->attach (	3189	cf::client->attach (
2967	on_destroy => sub {	3190	on_client_destroy => sub {
2968	my ($ns) = @_;	3191	my ($ns) = @_;
2969		3192
2970	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2971	},	3194	},
2972	);	3195	);
…		…
2988	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2989		3212
2990	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2991		3214
2992	$safe->permit_only (Opcode::opset qw(	3215	$safe->permit_only (Opcode::opset qw(
2993	:base_core :base_mem :base_orig :base_math	3216	:base_core :base_mem :base_orig :base_math :base_loop
2994	grepstart grepwhile mapstart mapwhile	3217	grepstart grepwhile mapstart mapwhile
2995	sort time	3218	sort time
2996	));	3219	));
2997		3220
2998	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
…		…
3001		3224
3002	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
3003		3226
3004	cf::object	3227	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3228	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3229	insert remove name archname title slaying race decrease split
		3230	value
3007		3231
3008	cf::object::player	3232	cf::object::player
3009	player	3233	player
3010		3234
3011	cf::player	3235	cf::player
…		…
3016		3240
3017	=cut	3241	=cut
3018		3242
3019	for (	3243	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3245	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3246	decrease split destroy change_exp value msg lore send_msg)],
3023	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
3025	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
3026	) {	3250	) {
3027	no strict 'refs';	3251	no strict 'refs';
3028	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
3029	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3047		3271
3048	my $qcode = $code;	3272	my $qcode = $code;
3049	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3050	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
3051		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
3052	local $_;	3279	local $_;
3053	local @safe::cf::_safe_eval_args = values %vars;
3054		3280
3055	my $eval =	3281	my $eval =
3056	"do {\n"	3282	"do {\n"
3057	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3058	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
3059	. $code	3285	. $code
3060	. "\n}"	3286	. "\n}"
3061	;	3287	;
3062		3288
		3289	if ($CFG{safe_eval}) {
3063	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
3064	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3065	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
3066		3298
3067	if ($@) {	3299	if ($@) {
3068	warn "$@";	3300	warn "$@";
3069	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
3070	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3089	=cut	3321	=cut
3090		3322
3091	sub register_script_function {	3323	sub register_script_function {
3092	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
3093		3325
3094	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
3095	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
3096	}	3328	}
3097		3329
3098	=back	3330	=back
3099		3331
3100	=cut	3332	=cut
…		…
3121		3353
3122	$facedata->{version} == 2	3354	$facedata->{version} == 2
3123	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
3124		3356
3125	# patch in the exptable	3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3126	$facedata->{resource}{"res/exp_table"} = {	3359	$facedata->{resource}{"res/exp_table"} = {
3127	type => FT_RSRC,	3360	type => FT_RSRC,
3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
3129	};	3363	};
3130	cf::cede_to_tick;	3364	cf::cede_to_tick;
3131		3365
3132	{	3366	{
3133	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
3134		3368
3135	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
3137	cf::face::set_visibility $idx, $info->{visibility};	3372	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3373	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3141		3376
3142	cf::cede_to_tick;	3377	cf::cede_to_tick;
3143	}	3378	}
3144		3379
3145	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
3147	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
3148	or next;	3384	or next;
		3385
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3387	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3389	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3167		3404
3168	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
3169	}	3406	}
3170		3407
3171	{	3408	{
3172	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3409	my $res = $facedata->{resource};
3175		3410
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;
3181		3414
3182	if ($info->{type} & 1) {	3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3183	# prepend meta info	3416	cf::face::set_type $idx, $info->{type};
3184
3185	my $meta = $enc->encode ({
3186	name => $name,
3187	%{ $info->{meta} || {} },
3188	});
3189
3190	$data = pack "(w/a*)*", $meta, $info->{data};
3191	} else {	3417	} else {
3192	$data = $info->{data};	3418	$RESOURCE{$name} = $info;
3193	}	3419	}
3194		3420
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;	3421	cf::cede_to_tick;
3199	}	3422	}
3200
3201	if ($soundconf) {
3202	$soundconf = $enc->decode (delete $soundconf->{data});
3203
3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205	my $sound = $soundconf->{compat}[$_]
3206	or next;
3207
3208	my $face = cf::face::find "sound/$sound->[1]";
3209	cf::sound::set $sound->[0] => $face;
3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211	}
3212
3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
3214	my $face = cf::face::find "sound/$v";
3215	cf::sound::set $k => $face;
3216	}
3217	}
3218	}	3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3219		3426
3220	1	3427	1
3221	}	3428	}
		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
3222		3449
3223	register_exticmd fx_want => sub {	3450	register_exticmd fx_want => sub {
3224	my ($ns, $want) = @_;	3451	my ($ns, $want) = @_;
3225		3452
3226	while (my ($k, $v) = each %$want) {	3453	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3454	$ns->fx_want ($k, $v);
3228	}	3455	}
3229	};	3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
3230		3467
3231	sub reload_regions {	3468	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3469	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3470	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3471	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3248	}	3485	}
3249		3486
3250	sub reload_archetypes {	3487	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3488	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3489	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references
3254	# this really needs to be done in an extra post-pass
3255	# (which needs to be synchronous, so solve it differently)
3256	load_resource_file "$DATADIR/archetypes"
3257	or die "unable to load archetypes\n";
3258	}	3490	}
3259		3491
3260	sub reload_treasures {	3492	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3493	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3494	or die "unable to load treasurelists\n";
3263	}	3495	}
3264		3496
3265	sub reload_resources {	3497	sub reload_resources {
3266	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
3267		3499
		3500	reload_facedata;
		3501	reload_archetypes;
3268	reload_regions;	3502	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3503	reload_treasures;
3273		3504
3274	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
3275	}	3506	}
3276		3507
3277	sub init {
3278	reload_resources;
3279	}
3280
3281	sub reload_config {	3508	sub reload_config {
		3509	warn "reloading config file...\n";
		3510
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
3283	or return;	3512	or return;
3284		3513
3285	local $/;	3514	local $/;
3286	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
3287		3516
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3289		3518
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3291	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3295	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3296	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
3297	};	3526	};
3298	warn $@ if $@;	3527	warn $@ if $@;
3299	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
3300	}	3559	}
3301		3560
3302	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
3303	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3574	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3576	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
3310	};	3578	};
3311		3579
		3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
3312	reload_config;	3592	reload_config;
3313	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
3314	load_extensions;	3603	load_extensions;
3315		3604
3316	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
3317	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
3318	}	3618	}
3319		3619
3320	#############################################################################	3620	#############################################################################
3321	# initialisation and cleanup	3621	# initialisation and cleanup
3322		3622
3323	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
3324	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3327	reentrant => 0,
3328	data => WF_AUTOCANCEL,
3329	signal => $signal,
3330	prio => 0,
3331	cb => sub {
3332	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
3333	},
3334	);	3629	};
3335	}	3630	}
3336	}	3631	}
3337		3632
3338	sub write_runtime {	3633	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";	3634	my $t0 = AE::time;
3340		3635
3341	# first touch the runtime file to show we are still running:	3636	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3637	# the fsync below can take a very very long time.
3343		3638
3344	IO::AIO::aio_utime $runtime, undef, undef;	3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3640
3346	my $guard = cf::lock_acquire "write_runtime";	3641	my $guard = cf::lock_acquire "write_runtime";
3347		3642
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3349	or return;	3644	or return;
3350		3645
3351	my $value = $cf::RUNTIME + 90 + 10;	3646	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3647	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3648	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3658	aio_utime $fh, undef, undef;
3364		3659
3365	close $fh	3660	close $fh
3366	or return;	3661	or return;
3367		3662
3368	aio_rename "$runtime~", $runtime	3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3664	and return;
3370		3665
3371	warn "runtime file written.\n";	3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3372		3667
3373	1	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
3374	}	3719	}
3375		3720
3376	sub emergency_save() {	3721	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
3378		3723
3379	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
3380		3725
3381	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
3382	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
3383	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
3384	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
3385	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
3386	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
3387	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
3388	$pl->valid or next;	3738	$pl->valid or next;
3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3390	$pl->save;	3740	$pl->save;
3391	}	3741	}
3392	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
3393		3743
3394	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
3395	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
3396	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
3397	$map->valid or next;	3747	$map->valid or next;
3398	$map->save;	3748	$map->save;
3399	}	3749	}
3400	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
3401		3751
3402	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
3405	};	3759	};
3406		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
3407	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
3408	}	3767	}
3409		3768
3410	sub post_cleanup {	3769	sub post_cleanup {
3411	my ($make_core) = @_;	3770	my ($make_core) = @_;
3412		3771
3413	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
3415	}	3802	}
3416		3803
3417	sub do_reload_perl() {	3804	sub do_reload_perl() {
3418	# can/must only be called in main	3805	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
3420	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
3421	return;	3808	return;
3422	}	3809	}
3423		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
3424	warn "reloading...";	3816	warn "reloading...";
3425		3817
3426	warn "entering sync_job";	3818	warn "entering sync_job";
3427		3819
3428	cf::sync_job {	3820	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
3430	cf::emergency_save;	3822	cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
3432		3824
3433	warn "syncing database to disk";	3825	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
3435		3827
3436	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
3437		3829
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
3449	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3450	}
3451
3452	++$RELOAD;
3453
3454	warn "cancelling all extension coros";
3455	$_->cancel for values %EXT_CORO;
3456	%EXT_CORO = ();
3457
3458	warn "removing commands";
3459	%COMMAND = ();
3460
3461	warn "removing ext/exti commands";
3462	%EXTCMD = ();
3463	%EXTICMD = ();
3464
3465	warn "unloading/nuking all extensions";
3466	for my $pkg (@EXTS) {
3467	warn "... unloading $pkg";
3468
3469	if (my $cb = $pkg->can ("unload")) {
3470	eval {
3471	$cb->($pkg);
3472	1
3473	} or warn "$pkg unloaded, but with errors: $@";
3474	}	3833	}
3475		3834
3476	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
3477	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
3478	}	3837	%EXT_CORO = ();
3479		3838
3480	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
3481	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
3484	warn "... unloading $k";	3848	warn "... unloading $pkg";
3485	delete $INC{$k};
3486		3849
3487	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;
3489
3490	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
3491	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
3492	}	3859	}
3493		3860
3494	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
3495	}	3876	}
3496		3877
3497	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		3881
3501	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3504		3885
3505	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
3506	# and global variables created in xs	3887	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
3508		3889
3509	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
3510		3891
3511	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
3512	require cf;	3893	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
3514		3895
3515	warn "loading config and database again";	3896	warn "loading config and database again";
3516	cf::reload_config;	3897	cf::reload_config;
3517		3898
3518	warn "loading extensions";	3899	warn "loading extensions";
3519	cf::load_extensions;	3900	cf::load_extensions;
3520		3901
		3902	if ($REATTACH_ON_RELOAD) {
3521	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
3524	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
3527		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
3528	warn "leaving sync_job";	3914	warn "leaving sync_job";
3529		3915
3530	1	3916	1
3531	} or do {	3917	} or do {
3532	warn $@;	3918	warn $@;
3533	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
3534	exit 1;
3535	};	3920	};
3536		3921
3537	warn "reloaded";	3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
3538	};	3928	};
3539		3929
3540	our $RELOAD_WATCHER; # used only during reload	3930	our $RELOAD_WATCHER; # used only during reload
3541		3931
3542	sub reload_perl() {	3932	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	3933	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	3934	# coro crashes during coro_state_free->destroy here.
3545		3935
3546	$RELOAD_WATCHER ||= Event->timer (	3936	$RELOAD_WATCHER ||= cf::async {
3547	reentrant => 0,	3937	Coro::AIO::aio_wait cache_extensions;
3548	after => 0,	3938
3549	data => WF_AUTOCANCEL,	3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3550	cb => sub {
3551	do_reload_perl;	3940	do_reload_perl;
3552	undef $RELOAD_WATCHER;	3941	undef $RELOAD_WATCHER;
3553	},	3942	};
3554	);	3943	};
3555	}	3944	}
3556		3945
3557	register_command "reload" => sub {	3946	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
3559		3948
…		…
3572		3961
3573	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
3575		3964
3576	sub wait_for_tick {	3965	sub wait_for_tick {
3577	return unless $TICK_WATCHER->is_active;
3578	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3579		3967
3580	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
3581	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;	3970	$signal->wait;
3583	}	3971	}
3584		3972
3585	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
3586	return unless $TICK_WATCHER->is_active;
3587	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3588		3975
3589	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	3978	$signal->wait;
3592	}	3979	}
3593		3980
3594	$TICK_WATCHER = Event->timer (	3981	sub tick {
3595	reentrant => 0,
3596	parked => 1,
3597	prio => 0,
3598	at => $NEXT_TICK || $TICK,
3599	data => WF_AUTOCANCEL,
3600	cb => sub {
3601	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
3604	return;	3985	return;
3605	}	3986	}
3606		3987
3607	$NOW = $tick_start = Event::time;
3608
3609	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
3610		3989
3611	$RUNTIME += $TICK;	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3612	$NEXT_TICK += $TICK;
3613		3991
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	3994	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	3995	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	3996	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
3620	};
3621	}	3998	};
		3999	}
3622		4000
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	4002	$sig->send;
3625	}	4003	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
3627	$sig->send;	4005	$sig->send;
3628	}	4006	}
3629		4007
3630	$NOW = Event::time;	4008	$LOAD = ($NOW - $TICK_START) / $TICK;
3631
3632	# if we are delayed by four ticks or more, skip them all
3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3634
3635	$TICK_WATCHER->at ($NEXT_TICK);
3636	$TICK_WATCHER->start;
3637
3638	$LOAD = ($NOW - $tick_start) / $TICK;
3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		4010
3641	_post_tick;	4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
3642	},	4017	}
3643	);	4018	}
3644		4019
3645	{	4020	{
		4021	# configure BDB
		4022
3646	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
3647	BDB::max_poll_time $TICK * 0.1;	4024	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	4025	$AnyEvent::BDB::WATCHER->priority (1);
3649	reentrant => 0,
3650	fd => BDB::poll_fileno,
3651	poll => 'r',
3652	prio => 0,
3653	data => WF_AUTOCANCEL,
3654	cb => \&BDB::poll_cb,
3655	);
3656
3657	BDB::set_sync_prepare {
3658	my $status;
3659	my $current = $Coro::current;
3660	(
3661	sub {
3662	$status = $!;
3663	$current->ready; undef $current;
3664	},
3665	sub {
3666	Coro::schedule while defined $current;
3667	$! = $status;
3668	},
3669	)
3670	};
3671		4026
3672	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		4034
3679	cf::sync_job {	4035	cf::sync_job {
3680	eval {	4036	eval {
…		…
3690		4046
3691	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	4048	};
3693	}	4049	}
3694		4050
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3696	after => 3,
3697	interval => 1,
3698	hard => 1,
3699	prio => 0,
3700	data => WF_AUTOCANCEL,
3701	cb => sub {
3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	4053	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3706	after => 11,
3707	interval => 60,
3708	hard => 1,
3709	prio => 0,
3710	data => WF_AUTOCANCEL,
3711	cb => sub {
3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	4056	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3716	after => 5,
3717	interval => 10,
3718	hard => 1,
3719	prio => 0,
3720	data => WF_AUTOCANCEL,
3721	cb => sub {
3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	4059	};
3725	}	4060	}
3726		4061
3727	{	4062	{
		4063	# configure IO::AIO
		4064
3728	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
3733	reentrant => 0,
3734	data => WF_AUTOCANCEL,
3735	fd => IO::AIO::poll_fileno,
3736	poll => 'r',
3737	prio => 0,
3738	cb => \&IO::AIO::poll_cb,
3739	);
3740	}	4068	}
3741		4069
3742	my $_log_backtrace;	4070	my $_log_backtrace;
3743		4071
3744	sub _log_backtrace {	4072	sub _log_backtrace {
…		…
3747	$msg =~ s/\n//;	4075	$msg =~ s/\n//;
3748		4076
3749	# limit the # of concurrent backtraces	4077	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	4078	if ($_log_backtrace < 2) {
3751	++$_log_backtrace;	4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
3752	async {	4081	async {
3753	$Coro::current->{desc} = "abt $msg";	4082	$Coro::current->{desc} = "abt $msg";
3754		4083
3755	my @bt = fork_call {	4084	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	4085	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	4096	}
3768		4097
3769	@funcs	4098	@funcs
3770	};	4099	};
3771		4100
3772	LOG llevInfo, "[ABT] $msg\n";	4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	4103	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	4104	--$_log_backtrace;
3775	};	4105	};
3776	} else {	4106	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	4107	LOG llevInfo, "[ABT] $msg\n";
3778	LOG llevInfo, "[ABT] [suppressed]\n";	4108	LOG llevInfo, "[ABT] [suppressed]\n";
3779	}	4109	}
3780	}	4110	}
3781		4111
3782	# load additional modules	4112	# load additional modules
3783	use cf::pod;	4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
3784		4115
3785	END { cf::emergency_save }	4116	END { cf::emergency_save }
3786		4117
3787	1	4118	1
3788		4119

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