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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.359 by root, Sat Sep 8 18:15:55 2007 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 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 Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.64 ();	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 2.32 ();	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;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	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	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
86		124
87	our %CFG;	125	our %CFG;
88		126
89	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
91		130
92	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
95		134
96	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		137
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
102		147
103	binmode STDOUT;	148	binmode STDOUT;
104	binmode STDERR;	149	binmode STDERR;
105		150
106	# read virtual server time, if available	151	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
111	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
112		159
113	mkdir $_	160	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		162
116	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
117		164
118	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		177
120	#############################################################################	178	#############################################################################
121		179
122	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
123		181
…		…
159		217
160	The raw value load value from the last tick.	218	The raw value load value from the last tick.
161		219
162	=item %cf::CFG	220	=item %cf::CFG
163		221
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	223	from wherever your confdir points to.
166		224
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		226
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		230
173	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
174		232
175	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	235	that call.
178		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
179	=back	243	=back
180		244
181	=cut	245	=cut
182		246
183	BEGIN {	247	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	248	my $msg = join "", @_;
186		249
187	$msg .= "\n"	250	$msg .= "\n"
188	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
189		252
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		254
192	utf8::encode $msg;
193	LOG llevError, $msg;	255	LOG llevError, $msg;
194	};	256	};
195	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
196		271
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	282	for my $pkg (qw(
208	cf::global cf::attachable	283	cf::global cf::attachable
209	cf::object cf::object::player	284	cf::object cf::object::player
210	cf::client cf::player	285	cf::client cf::player
211	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
212	cf::map cf::party cf::region	288	cf::party cf::region
213	)) {	289	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	291	}
217		292
218	$Event::DIED = sub {	293	$EV::DIED = sub {
219	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
220	};	295	};
221		296
222	#############################################################################	297	#############################################################################
223		298
224	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	322	$d
248	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
249	}	324	}
250		325
251	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
252		327
253	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
254		329
255	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
256		331
257	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
258		333
259	=cut	334	=cut
260		335
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		337
263	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
265		354
266	=item cf::lock_wait $string	355	=item cf::lock_wait $string
267		356
268	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
269		358
270	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
271		360
272	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
275	returned.	364	returned.
276		365
277	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	367	deadlocked coro.
…		…
284		373
285	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
286		375
287	=cut	376	=cut
288		377
289	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		379
292	sub lock_wait($) {	380	sub lock_wait($) {
293	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	382	}
306		383
307	sub lock_acquire($) {	384	sub lock_acquire($) {
308	my ($key) = @_;	385	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	386	}
322		387
323	sub lock_active($) {	388	sub lock_active($) {
324	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	390	}
328		391
329	sub freeze_mainloop {	392	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
331		394
332	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	396	}
334	};	397
335	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
336	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
337	}	411	}
338		412
339	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
340		414
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
349		423
350	=cut	424	=cut
351		425
352	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
354		429
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
357	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
358		436
359	while () {	437	while () {
360	next_job:	438	next_job:
		439
361	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
362	if ($avail > 0.01) {	441
363	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
364	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
365	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
366	$job->[2]->send;	446	$job->[2]->send;
367	Coro::cede;	447	Coro::cede;
368	goto next_job;	448	goto next_job;
369	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
370	}	451	}
371	}	452	}
372		453
373	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
374	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
375	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;	457	$signal->wait;
377	} else {	458	} else {
		459	$busy = 0;
378	Coro::schedule;	460	Coro::schedule;
379	}	461	}
380	}	462	}
381	};	463	};
382		464
383	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
384	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
385		469
386	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
387	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
388		473
389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
402		487
403	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
404		489
405	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
406		491
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
408	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410	acceptable.	495	acceptable.
411		496
412	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
413	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
418		503
419	sub sync_job(&) {	504	sub sync_job(&) {
420	my ($job) = @_;	505	my ($job) = @_;
421		506
422	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
423	my $time = Event::time;	508	my $time = AE::time;
424		509
425	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
427		512
428	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	514
430	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
431		516
432	my $busy = 1;	517	my $busy = 1;
433	my @res;	518	my @res;
434		519
435	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	522	@res = eval { $job->() };
437	warn $@ if $@;	523	warn $@ if $@;
438	undef $busy;	524	undef $busy;
439	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
440		526
441	while ($busy) {	527	while ($busy) {
442	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
443	}	532	}
		533	}
444		534
445	$time = Event::time - $time;	535	my $time = AE::time - $time;
446		536
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
451		538
452	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
453	} else {	540	} else {
454	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
455		542
…		…
480	=item fork_call { }, $args	567	=item fork_call { }, $args
481		568
482	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
483	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
484	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
485	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
486		573
487	=cut	574	=cut
488		575
489	sub fork_call(&@) {	576	sub fork_call(&@) {
490	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
…		…
499	}, @args;	586	}, @args;
500		587
501	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
502	}	589	}
503		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
504	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
505		619
506	Returns a single value from the environment database.	620	Returns a single value from the environment database.
507		621
508	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
509		623
510	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
513	=cut	632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
514		650
515	our $DB;	651	our $DB;
516		652
517	sub db_init {	653	sub db_init {
518	unless ($DB) {
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {	654	cf::sync_job {
522	eval {	655	$DB ||= db_table "db";
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}	656	};
532	}	657	}
533		658
534	sub db_get($$) {	659	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
536		661
…		…
634		759
635	#############################################################################	760	#############################################################################
636		761
637	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
638		763
639	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
640	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
641	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
642		767
643	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
644	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
645	Crossfire TRT).	770	Deliantra).
646		771
647	=over 4	772	=over 4
648		773
649	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
650		775
…		…
694	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
695		820
696	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
697	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
698		823
699	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
700	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
701		826
702	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
703		828
704	=over 4	829	=over 4
…		…
932	}	1057	}
933		1058
934	0	1059	0
935	}	1060	}
936		1061
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1063
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1065
941	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
942		1067
…		…
948		1073
949	=cut	1074	=cut
950		1075
951	#############################################################################	1076	#############################################################################
952	# object support	1077	# object support
953	#
954		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
955	sub _can_merge {	1112	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
957		1114
958	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1116
962	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
963	}	1119	}
964		1120
965	sub reattach {	1121	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1123	my ($obj) = @_;
968		1124
		1125	# no longer needed after getting rid of delete_package?
969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
970		1127
971	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
972		1129
973	@$registry = ();	1130	@$registry = ();
974		1131
…		…
989	cf::attachable->attach (	1146	cf::attachable->attach (
990	prio => -1000000,	1147	prio => -1000000,
991	on_instantiate => sub {	1148	on_instantiate => sub {
992	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
993		1150
994	$data = from_json $data;	1151	$data = decode_json $data;
995		1152
996	for (@$data) {	1153	for (@$data) {
997	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
998		1155
999	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1170	);
1014		1171
1015	sub object_freezer_save {	1172	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1017		1174
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1175	sync_job {
1021	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1024		1180
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
1029	close $fh;	1188	aio_close $fh;
1030		1189
1031	if (@$objs) {	1190	if (@$objs) {
1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1036	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
1037	close $fh;	1199	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1201	}
1040	} else {	1202	} else {
1041	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1042	}	1204	}
1043		1205
1044	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1210	} else {
1046	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1047	}	1212	}
1048	} else {	1213	} else {
1049	aio_unlink $filename;	1214	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1051	}	1216	}
1052	};	1217	};
1053
1054	undef $guard;
1055	}	1218	}
1056		1219
1057	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1059		1222
…		…
1064		1227
1065	sub object_thawer_load {	1228	sub object_thawer_load {
1066	my ($filename) = @_;	1229	my ($filename) = @_;
1067		1230
1068	my ($data, $av);	1231	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1232
1072	(aio_load $filename, $data) >= 0	1233	(aio_load $filename, $data) >= 0
1073	or return;	1234	or return;
1074		1235
1075	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1238	or return;
1078		1239
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1081	}	1242	}
1082		1243
		1244	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
1085		1247
1086	($data, $av)	1248	($data, $av)
1087	}	1249	}
1088		1250
1089	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
…		…
1145	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1146		1308
1147	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1148	}	1310	}
1149		1311
		1312	use File::Glob ();
		1313
1150	cf::player->attach (	1314	cf::player->attach (
1151	on_command => sub {	1315	on_unknown_command => sub {
1152	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1153		1317
1154	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1155	or return;	1319	or return;
1156		1320
…		…
1186		1350
1187	cf::override;	1351	cf::override;
1188	},	1352	},
1189	);	1353	);
1190		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
		1367
1191	sub load_extensions {	1368	sub load_extensions {
1192	cf::sync_job {	1369	cf::sync_job {
1193	my %todo;	1370	my %todo;
1194		1371
1195	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1214		1391
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1394
1218	$ext{source} =	1395	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1220	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1221	. $source	1398	. $source
1222	. "\n};\n1";	1399	. "\n};\n1";
1223		1400
1224	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1225	}	1402	}
1226		1403
		1404	my $pass = 0;
1227	my %done;	1405	my %done;
1228	while (%todo) {	1406	while (%todo) {
1229	my $progress;	1407	my $progress;
1230		1408
		1409	++$pass;
		1410
		1411	ext:
1231	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1232	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1233	goto skip	1414	next ext
1234	unless exists $done{$_};	1415	unless exists $done{$_};
1235	}	1416	}
1236		1417
1237	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1238		1419
1239	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1240	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1241	: "$v->{base}: extension inactive.\n";
1242		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1243	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1244	warn $msg;	1427	} else {
1245	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1246	exit 1;	1429	push @EXTS, $v->{pkg};
1247	}	1430	$progress = 1;
1248		1431
1249	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1250	}	1434	}
1251
1252	$done{$k} = delete $todo{$k};
1253	push @EXTS, $v->{pkg};
1254	$progress = 1;
1255	}	1435	}
1256		1436
1257	skip:	1437	unless ($progress) {
1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1259	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1260	}	1445	}
1261	};	1446	};
1262	}	1447	}
1263		1448
1264	#############################################################################	1449	#############################################################################
1265		1450
1266	=back	1451	=back
1267		1452
1268	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1269		1454
1270	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1271		1456
1272	=cut	1457	=cut
1273		1458
1274	package cf::player;	1459	package cf::player;
1275		1460
1276	use Coro::AIO;	1461	use Coro::AIO;
1277		1462
1278	=head3 cf::player	1463	=head3 cf::player
1279		1464
1280	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1281		1480
1282	=item cf::player::find $login	1481	=item cf::player::find $login
1283		1482
1284	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1285		1484
…		…
1304		1503
1305	sub exists($) {	1504	sub exists($) {
1306	my ($login) = @_;	1505	my ($login) = @_;
1307		1506
1308	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1309	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1310	}	1509	}
1311		1510
1312	sub find($) {	1511	sub find($) {
1313	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1314	my $login = $_[0];	1513	my $login = $_[0];
…		…
1324	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1325		1524
1326	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1327	or return;	1526	or return;
1328		1527
1329	$f->next;
1330	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1331	or return;	1529	or return;
		1530
1332	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1333	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1334	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1335	}	1534	}
1336	}	1535	}
1337	}	1536	}
1338		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
		1550
1339	sub save($) {	1551	sub save($) {
1340	my ($pl) = @_;	1552	my ($pl) = @_;
1341		1553
1342	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
1343		1555
…		…
1346		1558
1347	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1348		1560
1349	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1350	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1351		1568
1352	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1353	cf::cede_to_tick;	1570	cf::cede_to_tick;
1354	}	1571	}
1355		1572
…		…
1387	my ($pl) = @_;	1604	my ($pl) = @_;
1388		1605
1389	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1390		1607
1391	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1392	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1393		1610
1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1395	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1397	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1398		1617
1399	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1400	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1439		1658
1440	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
1441	my $path = path $login;	1660	my $path = path $login;
1442		1661
1443	# a .pst is a dead give-away for a valid player	1662	# a .pst is a dead give-away for a valid player
1444	unless (-e "$path.pst") {	1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1447	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
1448	}	1668	}
1449		1669
…		…
1480	}	1700	}
1481		1701
1482	\@paths	1702	\@paths
1483	}	1703	}
1484		1704
1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1486		1706
1487	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1488
1489	=cut
1490
1491	sub expand_cfpod {
1492	((my $self), (local $_)) = @_;
1493
1494	# escape & and <
1495	s/&/&amp;/g;
1496	s/(?<![BIUGHT])</&lt;/g;
1497
1498	# this is buggy, it needs to properly take care of nested <'s
1499
1500	1 while
1501	# replace B<>, I<>, U<> etc.
1502	s/B<([^\>]*)>/<b>$1<\/b>/
1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506	# replace G<male|female> tags
1507	|| s{G<([^>|]*)\|([^>]*)>}{
1508	$self->gender ? $2 : $1
1509	}ge
1510	# replace H<hint text>
1511	|| s{H<([^\>]*)>}
1512	{
1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515	"")
1516	[$self->{hintmode}]
1517	}ge;
1518
1519	# create single paragraphs (very hackish)
1520	s/(?<=\S)\n(?=\w)/ /g;
1521
1522	# compress some whitespace
1523	s/\s+\n/\n/g; # ws line-ends
1524	s/\n\n+/\n/g; # double lines
1525	s/^\n+//; # beginning lines
1526	s/\n+$//; # ending lines
1527
1528	$_
1529	}
1530
1531	sub hintmode {
1532	$_[0]{hintmode} = $_[1] if @_ > 1;
1533	$_[0]{hintmode}
1534	}
1535		1708
1536	=item $player->ext_reply ($msgid, @msg)	1709	=item $player->ext_reply ($msgid, @msg)
1537		1710
1538	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1539		1712
…		…
1606	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1607	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1608		1781
1609	sub generate_random_map {	1782	sub generate_random_map {
1610	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1611	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1612	$self->_create_random_map (	1788	$self->_create_random_map (
1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1616	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1617	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1737		1913
1738	# the temporary/swap location	1914	# the temporary/swap location
1739	sub save_path {	1915	sub save_path {
1740	my ($self) = @_;	1916	my ($self) = @_;
1741		1917
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1744	}	1920	}
1745		1921
1746	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1747	sub uniq_path {	1923	sub uniq_path {
1748	my ($self) = @_;	1924	my ($self) = @_;
1749		1925
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1752	}
1753
1754	# and all this just because we cannot iterate over
1755	# all maps in C++...
1756	sub change_all_map_light {
1757	my ($change) = @_;
1758
1759	$_->change_map_light ($change)
1760	for grep $_->outdoor, values %cf::MAP;
1761	}	1928	}
1762		1929
1763	sub decay_objects {	1930	sub decay_objects {
1764	my ($self) = @_;	1931	my ($self) = @_;
1765		1932
…		…
1849	sub find {	2016	sub find {
1850	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1851		2018
1852	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1853		2020
1854	cf::lock_wait "map_data:$path";#d#remove	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1855	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1856		2023
1857	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1858	my $guard1 = cf::lock_acquire "map_find:$path";
1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1861	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1862	or return;	2026	or return;
1863		2027
1864	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1865		2029
…		…
1867	or return;	2031	or return;
1868		2032
1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1870	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1871	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
1872	undef $guard1;	2037	undef $guard1;
1873	undef $guard2;
1874	$map->reset;	2038	$map->reset;
1875	return find $path;	2039	return find $path;
1876	}	2040	}
1877		2041
1878	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1879	}	2043	}
1880	}	2044	}
1881		2045
1882	sub pre_load { }	2046	sub pre_load { }
1883	sub post_load { }	2047	#sub post_load { } # XS
1884		2048
1885	sub load {	2049	sub load {
1886	my ($self) = @_;	2050	my ($self) = @_;
1887		2051
1888	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1891		2055
1892	{	2056	{
1893	my $guard = cf::lock_acquire "map_data:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1894		2058
1895	return unless $self->valid;	2059	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2061
1898	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1899		2063
1900	$self->alloc;	2064	$self->alloc;
1901		2065
…		…
1905	my $f = new_from_file cf::object::thawer $self->{load_path};	2069	my $f = new_from_file cf::object::thawer $self->{load_path};
1906	$f->skip_block;	2070	$f->skip_block;
1907	$self->_load_objects ($f)	2071	$self->_load_objects ($f)
1908	or return;	2072	or return;
1909		2073
1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1911	if delete $self->{load_original};	2075	if delete $self->{load_original};
1912		2076
1913	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1914	utf8::encode $uniq;	2078	utf8::encode $uniq;
1915	unless (aio_stat $uniq) {	2079	unless (aio_stat $uniq) {
…		…
1933	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1934	$self->decay_objects;	2098	$self->decay_objects;
1935	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1936	$self->update_buttons;	2100	$self->update_buttons;
1937	cf::cede_to_tick;	2101	cf::cede_to_tick;
1938	$self->set_darkness_map;
1939	cf::cede_to_tick;
1940	$self->activate;	2102	$self->activate;
1941	}	2103	}
1942		2104
1943	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1944	$self->last_access ($cf::RUNTIME);	2106	$self->last_access ($cf::RUNTIME);
1945		2107
1946	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1947	}	2109	}
1948		2110
1949	$self->post_load;	2111	$self->post_load;
1950	}	2112	}
1951		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1952	sub customise_for {	2117	sub customise_for {
1953	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1954		2119
1955	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1956	if $self->per_player;	2121	if $self->per_player;
…		…
2009	my ($path, $origin, $load) = @_;	2174	my ($path, $origin, $load) = @_;
2010		2175
2011	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
2012		2177
2013	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2015	}	2180	}
2016		2181
2017	$MAP_PREFETCH{$path} |= $load;	2182	$MAP_PREFETCH{$path} |= $load;
2018		2183
2019	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
2020	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
2021	while (my ($k, $v) = each %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
2022	if (my $map = find $k) {	2189	if (my $map = find $k) {
2023	$map->load if $v;	2190	$map->load if $v;
2024	}	2191	}
…		…
2050	return if $self->{deny_save};	2217	return if $self->{deny_save};
2051		2218
2052	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
2053		2220
2054	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
2055	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
2056	};	2224	};
		2225
		2226	cf::get_slot 0.02;
2057		2227
2058	if ($uniq) {	2228	if ($uniq) {
2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2061	} else {	2231	} else {
…		…
2070	$self->save;	2240	$self->save;
2071		2241
2072	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2073		2243
2074	return if $self->players;	2244	return if $self->players;
2075	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
2076	return if $self->{deny_save};	2246	return if $self->{deny_save};
2077		2247
2078	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2079		2249
2080	$self->deactivate;	2250	$self->deactivate;
…		…
2105		2275
2106	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2107		2277
2108	return if $self->players;	2278	return if $self->players;
2109		2279
2110	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2111		2281
2112	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2113		2283
2114	# need to save uniques path	2284	# need to save uniques path
2115	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2198		2368
2199	sub unique_maps() {	2369	sub unique_maps() {
2200	[	2370	[
2201	map {	2371	map {
2202	utf8::decode $_;	2372	utf8::decode $_;
2203	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2204	? normalise $_	2376	: normalise $_
2205	: ()
2206	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2207	]	2378	]
2208	}	2379	}
2209		2380
2210	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
2211		2412
2212	=back	2413	=back
2213		2414
2214	=head3 cf::object	2415	=head3 cf::object
2215		2416
…		…
2219		2420
2220	=over 4	2421	=over 4
2221		2422
2222	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2223		2424
2224	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
2225		2427
2226	=cut	2428	=cut
2227		2429
2228	sub inv_recursive_;	2430	sub inv_recursive_;
2229	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2234	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2235	}	2437	}
2236		2438
2237	=item $ref = $ob->ref	2439	=item $ref = $ob->ref
2238		2440
2239	creates and returns a persistent reference to an objetc that can be stored as a string.	2441	Creates and returns a persistent reference to an object that can be stored as a string.
2240		2442
2241	=item $ob = cf::object::deref ($refstring)	2443	=item $ob = cf::object::deref ($refstring)
2242		2444
2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2244	even if the object actually exists. May block.	2446	even if the object actually exists. May block.
…		…
2246	=cut	2448	=cut
2247		2449
2248	sub deref {	2450	sub deref {
2249	my ($ref) = @_;	2451	my ($ref) = @_;
2250		2452
2251	# temporary compatibility#TODO#remove
2252	$ref =~ s{^<}{player/<};
2253
2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2255	my ($uuid, $name) = ($1, $2);	2454	my ($uuid, $name) = ($1, $2);
2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2257	or return;	2456	or return;
2258	$pl->ob->uuid eq $uuid	2457	$pl->ob->uuid eq $uuid
2259	or return;	2458	or return;
…		…
2279	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
2280	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2281		2480
2282	=cut	2481	=cut
2283		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
		2496
2284	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2285	# with dialog boxes.	2498	# with dialog boxes.
2286	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
2287	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
2288	my ($self, $npc, $msg, $flags) = @_;	2501	my ($self, $npc, $msg, $flags) = @_;
…		…
2299	my $dialog = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2301		2514
2302	} else {	2515	} else {
2303	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2304	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2305	}	2518	}
2306	}	2519	}
2307	}	2520	}
2308		2521
2309	=item $object->send_msg ($channel, $msg, $color, [extra...])	2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2334		2547
2335	=item $player_object->enter_link	2548	=item $player_object->enter_link
2336		2549
2337	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
2338		2551
2339	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
2340	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
2341		2556
2342	Will never block.	2557	Will never block.
2343		2558
2344	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2345		2560
…		…
2397	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2398	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2399		2614
2400	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2401	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2402	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2403		2618
2404	$map->load;	2619	$map->load;
2405	$map->load_neighbours;	2620	$map->load_neighbours;
2406		2621
2407	return unless $self->contr->active;	2622	return unless $self->contr->active;
2408	$self->activate_recursive;
2409		2623
2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2411	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2412	}	2629	}
2413		2630
2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2415		2632
2416	Moves the player to the given map-path and coordinates by first freezing	2633	Moves the player to the given map-path and coordinates by first freezing
2417	her, loading and preparing them map, calling the provided $check callback	2634	her, loading and preparing them map, calling the provided $check callback
2418	that has to return the map if sucecssful, and then unfreezes the player on	2635	that has to return the map if sucecssful, and then unfreezes the player on
2419	the new (success) or old (failed) map position. In either case, $done will	2636	the new (success) or old (failed) map position. In either case, $done will
2420	be called at the end of this process.	2637	be called at the end of this process.
2421		2638
		2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
		2641
2422	=cut	2642	=cut
2423		2643
2424	our $GOTOGEN;	2644	our $GOTOGEN;
2425		2645
2426	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
…		…
2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2431		2651
2432	$self->enter_link;	2652	$self->enter_link;
2433		2653
2434	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
2435	my $map = eval {	2676	my $map = eval {
2436	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2437		2678
2438	if ($map) {	2679	if ($map) {
2439	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2440	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2441	} else {	2682	} else {
2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2443	}	2684	}
2444		2685
2445	$map	2686	$map
2446	};	2687	};
2447		2688
…		…
2483	}	2724	}
2484		2725
2485	sub prepare_random_map {	2726	sub prepare_random_map {
2486	my ($exit) = @_;	2727	my ($exit) = @_;
2487		2728
2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
2489
2490	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2491	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2492	# that depends on the exit object	2731	# that depends on the exit object
2493		2732
2494	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2496	if ($exit->map) {	2735	if ($exit->map) {
2497	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2498	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2499	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2500	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2501	}	2742	}
2502		2743
2503	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2504		2745
2505	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2506	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2507	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2508		2749
2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2510	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2511	undef $fh;	2752	undef $fh;
2512	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2513		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2514	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2515	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2516	}	2761	}
2517	}	2762	}
2518		2763
2519	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2520	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2521		2766
2522	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2523		2768
2524	if ($exit->slaying eq "/!") {
2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
2526	# the problem is that $exit might not survive long enough
2527	# so it needs to be done right now, right here
2528	cf::sync_job { prepare_random_map $exit };
2529	}
2530
2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2532	my $hp = $exit->stats->hp;
2533	my $sp = $exit->stats->sp;
2534
2535	$self->enter_link;	2769	$self->enter_link;
2536		2770
2537	# if exit is damned, update players death & WoR home-position
2538	$self->contr->savebed ($slaying, $hp, $sp)
2539	if $exit->flag (FLAG_DAMNED);
2540
2541	(async {	2771	(async {
2542	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2543	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2544	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2545		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2546	1;	2795	1
2547	}) {	2796	}) {
2548	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2549	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2550	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2551	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2552		2801
2553	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2570	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2571	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2572		2821
2573	utf8::encode $text;	2822	utf8::encode $text;
2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2824	}
		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
2575	}	2849	}
2576		2850
2577	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2578		2852
2579	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2581	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2582	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2583		2857
2584	=cut	2858	=cut
2585		2859
		2860	# non-persistent channels (usually the info channel)
2586	our %CHANNEL = (	2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
2587	"c/identify" => {	2868	"c/identify" => {
2588	id => "identify",	2869	id => "infobox",
2589	title => "Identify",	2870	title => "Identify",
2590	reply => undef,	2871	reply => undef,
2591	tooltip => "Items recently identified",	2872	tooltip => "Items recently identified",
2592	},	2873	},
2593	"c/examine" => {	2874	"c/examine" => {
2594	id => "examine",	2875	id => "infobox",
2595	title => "Examine",	2876	title => "Examine",
2596	reply => undef,	2877	reply => undef,
2597	tooltip => "Signs and other items you examined",	2878	tooltip => "Signs and other items you examined",
2598	},	2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
2599	);	2972	);
2600		2973
2601	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2602	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2603		2976
2604	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2605		2979
2606	$color &= cf::NDI_CLIENT_MASK; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2607		2981
2608	# check predefined channels, for the benefit of C	2982	# check predefined channels, for the benefit of C
2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
2610		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
2611	if (ref $channel) {	2989	} elsif (ref $channel) {
2612	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2613	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2614	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2615	$self->ext_msg (channel_info => $channel)	2993	$self->ext_msg (channel_info => $channel);
2616	if $self->can_msg;
2617	}	2994	}
2618		2995
2619	$channel = $channel->{id};	2996	$channel = $channel->{id};
2620	}	2997	}
2621		2998
2622	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2623		3000
2624	if ($self->can_msg) {
2625	# default colour, mask it out	3001	# default colour, mask it out
2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2627	if $color & cf::NDI_DEF;	3003	if $color & cf::NDI_DEF;
2628		3004
2629	$self->send_packet ("msg " . $self->{json_coder}->encode (	3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2631	} else {	3008	);
2632	if ($color >= 0) {
2633	# replace some tags by gcfclient-compatible ones
2634	for ($msg) {
2635	1 while
2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2641	}
2642		3009
2643	$color &= cf::NDI_COLOR_MASK;	3010	$self->send_big_packet ($pkt);
2644
2645	utf8::encode $msg;
2646
2647	if (0 && $msg =~ /\[/) {
2648	# COMMAND/INFO
2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
2650	} else {
2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2652	$self->send_packet ("drawinfo $color $msg")
2653	}
2654	}
2655	}
2656	}	3011	}
2657		3012
2658	=item $client->ext_msg ($type, @msg)	3013	=item $client->ext_msg ($type, @msg)
2659		3014
2660	Sends an ext event to the client.	3015	Sends an ext event to the client.
…		…
2663		3018
2664	sub cf::client::ext_msg($$@) {	3019	sub cf::client::ext_msg($$@) {
2665	my ($self, $type, @msg) = @_;	3020	my ($self, $type, @msg) = @_;
2666		3021
2667	if ($self->extcmd == 2) {	3022	if ($self->extcmd == 2) {
2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2669	} elsif ($self->extcmd == 1) { # TODO: remove	3024	} elsif ($self->extcmd == 1) { # TODO: remove
2670	push @msg, msgtype => "event_$type";	3025	push @msg, msgtype => "event_$type";
2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2672	}	3027	}
2673	}	3028	}
2674		3029
2675	=item $client->ext_reply ($msgid, @msg)	3030	=item $client->ext_reply ($msgid, @msg)
2676		3031
…		…
2680		3035
2681	sub cf::client::ext_reply($$@) {	3036	sub cf::client::ext_reply($$@) {
2682	my ($self, $id, @msg) = @_;	3037	my ($self, $id, @msg) = @_;
2683		3038
2684	if ($self->extcmd == 2) {	3039	if ($self->extcmd == 2) {
2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2686	} elsif ($self->extcmd == 1) {	3041	} elsif ($self->extcmd == 1) {
2687	#TODO: version 1, remove	3042	#TODO: version 1, remove
2688	unshift @msg, msgtype => "reply", msgid => $id;	3043	unshift @msg, msgtype => "reply", msgid => $id;
2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2690	}	3045	}
2691	}	3046	}
2692		3047
2693	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2694		3049
…		…
2795		3150
2796	$coro	3151	$coro
2797	}	3152	}
2798		3153
2799	cf::client->attach (	3154	cf::client->attach (
2800	on_destroy => sub {	3155	on_client_destroy => sub {
2801	my ($ns) = @_;	3156	my ($ns) = @_;
2802		3157
2803	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2804	},	3159	},
2805	);	3160	);
…		…
2821	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2822		3177
2823	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2824		3179
2825	$safe->permit_only (Opcode::opset qw(	3180	$safe->permit_only (Opcode::opset qw(
2826	:base_core :base_mem :base_orig :base_math	3181	:base_core :base_mem :base_orig :base_math :base_loop
2827	grepstart grepwhile mapstart mapwhile	3182	grepstart grepwhile mapstart mapwhile
2828	sort time	3183	sort time
2829	));	3184	));
2830		3185
2831	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
…		…
2833	=pod	3188	=pod
2834		3189
2835	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2836		3191
2837	cf::object	3192	cf::object
2838	contr pay_amount pay_player map x y force_find force_add	3193	contr pay_amount pay_player map x y force_find force_add destroy
2839	insert remove name archname title slaying race decrease_ob_nr	3194	insert remove name archname title slaying race decrease split
		3195	value
2840		3196
2841	cf::object::player	3197	cf::object::player
2842	player	3198	player
2843		3199
2844	cf::player	3200	cf::player
…		…
2849		3205
2850	=cut	3206	=cut
2851		3207
2852	for (	3208	for (
2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2854	insert remove inv name archname title slaying race	3210	insert remove inv nrof name archname title slaying race
2855	decrease_ob_nr)],	3211	decrease split destroy change_exp value msg lore send_msg)],
2856	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2857	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2858	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2859	) {	3215	) {
2860	no strict 'refs';	3216	no strict 'refs';
2861	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2862	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2880		3236
2881	my $qcode = $code;	3237	my $qcode = $code;
2882	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2883	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2884		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2885	local $_;	3244	local $_;
2886	local @safe::cf::_safe_eval_args = values %vars;
2887		3245
2888	my $eval =	3246	my $eval =
2889	"do {\n"	3247	"do {\n"
2890	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2891	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2892	. $code	3250	. $code
2893	. "\n}"	3251	. "\n}"
2894	;	3252	;
2895		3253
		3254	if ($CFG{safe_eval}) {
2896	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2897	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2898	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2899		3263
2900	if ($@) {	3264	if ($@) {
2901	warn "$@";	3265	warn "$@";
2902	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2903	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2922	=cut	3286	=cut
2923		3287
2924	sub register_script_function {	3288	sub register_script_function {
2925	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2926		3290
2927	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2928	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2929	}	3293	}
2930		3294
2931	=back	3295	=back
2932		3296
2933	=cut	3297	=cut
…		…
2954		3318
2955	$facedata->{version} == 2	3319	$facedata->{version} == 2
2956	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2957		3321
2958	# patch in the exptable	3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2959	$facedata->{resource}{"res/exp_table"} = {	3324	$facedata->{resource}{"res/exp_table"} = {
2960	type => FT_RSRC,	3325	type => FT_RSRC,
2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
2962	};	3328	};
2963	cf::cede_to_tick;	3329	cf::cede_to_tick;
2964		3330
2965	{	3331	{
2966	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2967		3333
2968	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2970	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
2971	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2974		3341
2975	cf::cede_to_tick;	3342	cf::cede_to_tick;
2976	}	3343	}
2977		3344
2978	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2979	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2980	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2981	or next;	3349	or next;
		3350
2982	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
2983	cf::face::set_smooth $idx, $smooth;	3352	cf::face::set_smooth $idx, $smooth;
2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2985	} else {	3354	} else {
2986	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3000		3369
3001	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
3002	}	3371	}
3003		3372
3004	{	3373	{
3005	# TODO: for gcfclient pleasure, we should give resources
3006	# that gcfclient doesn't grok a >10000 face index.
3007	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
3008		3375
3009	my $soundconf = delete $res->{"res/sound.conf"};
3010
3011	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3013	my $data;
3014		3379
3015	if ($info->{type} & 1) {	3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3016	# prepend meta info	3381	cf::face::set_type $idx, $info->{type};
3017
3018	my $meta = $enc->encode ({
3019	name => $name,
3020	%{ $info->{meta} || {} },
3021	});
3022
3023	$data = pack "(w/a*)*", $meta, $info->{data};
3024	} else {	3382	} else {
3025	$data = $info->{data};	3383	$RESOURCE{$name} = $info;
3026	}	3384	}
3027		3385
3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3029	cf::face::set_type $idx, $info->{type};
3030
3031	cf::cede_to_tick;	3386	cf::cede_to_tick;
3032	}	3387	}
3033
3034	if ($soundconf) {
3035	$soundconf = $enc->decode (delete $soundconf->{data});
3036
3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3038	my $sound = $soundconf->{compat}[$_]
3039	or next;
3040
3041	my $face = cf::face::find "sound/$sound->[1]";
3042	cf::sound::set $sound->[0] => $face;
3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3044	}
3045
3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
3047	my $face = cf::face::find "sound/$v";
3048	cf::sound::set $k => $face;
3049	}
3050	}
3051	}	3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3052		3391
3053	1	3392	1
3054	}	3393	}
		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
3055		3414
3056	register_exticmd fx_want => sub {	3415	register_exticmd fx_want => sub {
3057	my ($ns, $want) = @_;	3416	my ($ns, $want) = @_;
3058		3417
3059	while (my ($k, $v) = each %$want) {	3418	while (my ($k, $v) = each %$want) {
3060	$ns->fx_want ($k, $v);	3419	$ns->fx_want ($k, $v);
3061	}	3420	}
3062	};	3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
3063		3432
3064	sub reload_regions {	3433	sub reload_regions {
3065	# HACK to clear player env face cache, we need some signal framework	3434	# HACK to clear player env face cache, we need some signal framework
3066	# for this (global event?)	3435	# for this (global event?)
3067	%ext::player_env::MUSIC_FACE_CACHE = ();	3436	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3081	}	3450	}
3082		3451
3083	sub reload_archetypes {	3452	sub reload_archetypes {
3084	load_resource_file "$DATADIR/archetypes"	3453	load_resource_file "$DATADIR/archetypes"
3085	or die "unable to load archetypes\n";	3454	or die "unable to load archetypes\n";
3086	#d# NEED to laod twice to resolve forward references
3087	# this really needs to be done in an extra post-pass
3088	# (which needs to be synchronous, so solve it differently)
3089	load_resource_file "$DATADIR/archetypes"
3090	or die "unable to load archetypes\n";
3091	}	3455	}
3092		3456
3093	sub reload_treasures {	3457	sub reload_treasures {
3094	load_resource_file "$DATADIR/treasures"	3458	load_resource_file "$DATADIR/treasures"
3095	or die "unable to load treasurelists\n";	3459	or die "unable to load treasurelists\n";
3096	}	3460	}
3097		3461
3098	sub reload_resources {	3462	sub reload_resources {
3099	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
3100		3464
		3465	reload_facedata;
		3466	reload_archetypes;
3101	reload_regions;	3467	reload_regions;
3102	reload_facedata;
3103	#reload_archetypes;#d#
3104	reload_archetypes;
3105	reload_treasures;	3468	reload_treasures;
3106		3469
3107	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
3108	}	3471	}
3109		3472
3110	sub init {
3111	reload_resources;
3112	}
3113
3114	sub reload_config {	3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
3115	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
3116	or return;	3477	or return;
3117		3478
3118	local $/;	3479	local $/;
3119	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
3120		3481
3121	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3122		3483
3123	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3124	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3128	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3129	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
3130	};	3491	};
3131	warn $@ if $@;	3492	warn $@ if $@;
3132	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
3133	}	3524	}
3134		3525
3135	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
3136	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
3137	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3139	(async {	3544	(async {
3140	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
3141	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
3142	};	3548	};
3143		3549
		3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
3144	reload_config;	3557	reload_config;
3145	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
3146	load_extensions;	3568	load_extensions;
3147		3569
3148	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
3149	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
3150	}	3580	}
3151		3581
3152	#############################################################################	3582	#############################################################################
3153	# initialisation and cleanup	3583	# initialisation and cleanup
3154		3584
3155	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
3156	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
3157	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
3158	Event->signal (	3589	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3159	reentrant => 0,
3160	data => WF_AUTOCANCEL,
3161	signal => $signal,
3162	prio => 0,
3163	cb => sub {
3164	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
3165	},
3166	);	3591	};
3167	}	3592	}
3168	}	3593	}
3169		3594
3170	sub write_runtime {	3595	sub write_runtime_sync {
3171	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = AE::time;
3172		3597
3173	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
3174	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
3175		3600
3176	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3177		3602
3178	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
3179		3604
3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3181	or return;	3606	or return;
3182		3607
3183	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
3184	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
3185	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3195	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3196		3621
3197	close $fh	3622	close $fh
3198	or return;	3623	or return;
3199		3624
3200	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3201	and return;	3626	and return;
3202		3627
3203	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3204		3629
3205	1	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
3206	}	3681	}
3207		3682
3208	sub emergency_save() {	3683	sub emergency_save() {
3209	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3210		3685
3211	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3212		3687
3213	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
3214	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3215	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3216	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3217	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3218	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3219	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3220	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3221	$pl->save;	3702	$pl->save;
3222	}	3703	}
3223	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3224		3705
3225	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3226	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3227	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3228	$map->valid or next;	3709	$map->valid or next;
3229	$map->save;	3710	$map->save;
3230	}	3711	}
3231	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3232		3713
3233	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3234	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3235	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
3236	};	3721	};
3237		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
3238	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3239	}	3729	}
3240		3730
3241	sub post_cleanup {	3731	sub post_cleanup {
3242	my ($make_core) = @_;	3732	my ($make_core) = @_;
3243		3733
3244	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3245	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
3246	}	3765	}
3247		3766
3248	sub do_reload_perl() {	3767	sub do_reload_perl() {
3249	# can/must only be called in main	3768	# can/must only be called in main
3250	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3251	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3252	return;	3771	return;
3253	}	3772	}
3254		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = AE::time;
		3777
		3778	while ($RELOAD) {
3255	warn "reloading...";	3779	warn "reloading...";
3256		3780
3257	warn "entering sync_job";	3781	warn "entering sync_job";
3258		3782
3259	cf::sync_job {	3783	cf::sync_job {
3260	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
3261	cf::emergency_save;	3785	cf::emergency_save;
3262	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
3263		3787
3264	warn "syncing database to disk";	3788	warn "syncing database to disk";
3265	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
3266		3790
3267	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
3268		3792
3269	warn "cancelling all WF_AUTOCANCEL watchers";
3270	for (Event::all_watchers) {
3271	$_->cancel if $_->data & WF_AUTOCANCEL;
3272	}
3273
3274	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
3275	for (;;) {
3276	BDB::flush;
3277	IO::AIO::flush;
3278	Coro::cede;
3279	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
3280	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3281	}
3282
3283	++$RELOAD;
3284
3285	warn "cancelling all extension coros";
3286	$_->cancel for values %EXT_CORO;
3287	%EXT_CORO = ();
3288
3289	warn "removing commands";
3290	%COMMAND = ();
3291
3292	warn "removing ext/exti commands";
3293	%EXTCMD = ();
3294	%EXTICMD = ();
3295
3296	warn "unloading/nuking all extensions";
3297	for my $pkg (@EXTS) {
3298	warn "... unloading $pkg";
3299
3300	if (my $cb = $pkg->can ("unload")) {
3301	eval {
3302	$cb->($pkg);
3303	1
3304	} or warn "$pkg unloaded, but with errors: $@";
3305	}	3796	}
3306		3797
3307	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
3308	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
3309	}	3800	%EXT_CORO = ();
3310		3801
3311	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
3312	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3314		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
3315	warn "... unloading $k";	3811	warn "... unloading $pkg";
3316	delete $INC{$k};
3317		3812
3318	$k =~ s/\.pm$//;
3319	$k =~ s/\//::/g;
3320
3321	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
3322	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
3323	}	3822	}
3324		3823
3325	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
3326	}	3839	}
3327		3840
3328	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
3329	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3331		3844
3332	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3333	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3334	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3335		3848
3336	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3337	# and global variables created in xs	3850	# and global variables created in xs
3338	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3339		3852
3340	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3341		3854
3342	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3343	require cf;	3856	require cf;
3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3345		3858
3346	warn "loading config and database again";	3859	warn "loading config and database again";
3347	cf::reload_config;	3860	cf::reload_config;
3348		3861
3349	warn "loading extensions";	3862	warn "loading extensions";
3350	cf::load_extensions;	3863	cf::load_extensions;
3351		3864
		3865	if ($REATTACH_ON_RELOAD) {
3352	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3353	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3354	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3355	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3356	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3357	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
3358		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
3359	warn "leaving sync_job";	3877	warn "leaving sync_job";
3360		3878
3361	1	3879	1
3362	} or do {	3880	} or do {
3363	warn $@;	3881	warn $@;
3364	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
3365	exit 1;
3366	};	3883	};
3367		3884
3368	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = AE::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3369	};	3891	};
3370		3892
3371	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3372		3894
3373	sub reload_perl() {	3895	sub reload_perl() {
3374	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3375	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3376		3898
3377	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3378	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3379	after => 0,	3901
3380	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3381	cb => sub {
3382	do_reload_perl;	3903	do_reload_perl;
3383	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3384	},	3905	};
3385	);	3906	};
3386	}	3907	}
3387		3908
3388	register_command "reload" => sub {	3909	register_command "reload" => sub {
3389	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3390		3911
3391	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3392	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3393	async { reload_perl };	3916	reload_perl;
		3917	};
3394	}	3918	}
3395	};	3919	};
3396		3920
3397	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3398		3922
…		…
3400		3924
3401	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3402	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3403		3927
3404	sub wait_for_tick {	3928	sub wait_for_tick {
3405	return unless $TICK_WATCHER->is_active;
3406	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3407		3930
3408	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3409	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3410	$signal->wait;	3933	$signal->wait;
3411	}	3934	}
3412		3935
3413	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3414	return unless $TICK_WATCHER->is_active;
3415	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3416		3938
3417	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3418	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3419	$signal->wait;	3941	$signal->wait;
3420	}	3942	}
3421		3943
3422	my $min = 1e6;#d#	3944	sub tick {
3423	my $avg = 10;
3424	$TICK_WATCHER = Event->timer (
3425	reentrant => 0,
3426	parked => 1,
3427	prio => 0,
3428	at => $NEXT_TICK || $TICK,
3429	data => WF_AUTOCANCEL,
3430	cb => sub {
3431	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3433	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3434	return;	3948	return;
3435	}	3949	}
3436		3950
3437	$NOW = $tick_start = Event::time;
3438
3439	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
3440		3952
3441	0 && sync_job {#d#	3953	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3442	for(1..10) {
3443	my $t = Event::time;
3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3445	or die;
3446		3954
3447	$map->width (50);	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3448	$map->height (50);	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3449	$map->alloc;	3957	Coro::async_pool {
3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	3958	$Coro::current->{desc} = "runtime saver";
3451	my $t = Event::time - $t;	3959	write_runtime_sync
3452		3960	or warn "ERROR: unable to write runtime file: $!";
3453	#next unless $t < 0.0013;#d#
3454	if ($t < $min) {
3455	$min = $t;
3456	}
3457	$avg = $avg * 0.99 + $t * 0.01;
3458	}
3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3460	exit 0;
3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3462	};	3961	};
		3962	}
3463		3963
3464	$RUNTIME += $TICK;
3465	$NEXT_TICK += $TICK;
3466
3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
3469	Coro::async_pool {
3470	write_runtime
3471	or warn "ERROR: unable to write runtime file: $!";
3472	};
3473	}
3474
3475	# my $AFTER = Event::time;
3476	# warn $AFTER - $NOW;#d#
3477
3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3479	$sig->send;	3965	$sig->send;
3480	}	3966	}
3481	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3482	$sig->send;	3968	$sig->send;
3483	}	3969	}
3484		3970
3485	$NOW = Event::time;	3971	$LOAD = ($NOW - $TICK_START) / $TICK;
3486
3487	# if we are delayed by four ticks or more, skip them all
3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3489
3490	$TICK_WATCHER->at ($NEXT_TICK);
3491	$TICK_WATCHER->start;
3492
3493	$LOAD = ($NOW - $tick_start) / $TICK;
3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3495		3973
3496	_post_tick;	3974	if (0) {
3497		3975	if ($NEXT_TICK) {
3498		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
3499	},	3980	}
3500	);	3981	}
3501		3982
3502	{	3983	{
3503	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
3504	$BDB_POLL_WATCHER = Event->io (	3985
3505	reentrant => 0,
3506	fd => BDB::poll_fileno,
3507	poll => 'r',
3508	prio => 0,
3509	data => WF_AUTOCANCEL,
3510	cb => \&BDB::poll_cb,
3511	);
3512	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3513		3987	BDB::max_poll_reqs $TICK * 0.1;
3514	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
3515	my $status;
3516	my $current = $Coro::current;
3517	(
3518	sub {
3519	$status = $!;
3520	$current->ready; undef $current;
3521	},
3522	sub {
3523	Coro::schedule while defined $current;
3524	$! = $status;
3525	},
3526	)
3527	};
3528		3989
3529	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3530	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3531		3997
3532	cf::sync_job {	3998	cf::sync_job {
3533	eval {	3999	eval {
3534	BDB::db_env_open	4000	BDB::db_env_open
3535	$DB_ENV,	4001	$DB_ENV,
…		…
3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3539	0666;	4005	0666;
3540		4006
3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3542
3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3544	$DB_ENV->set_lk_detect;
3545	};	4008	};
3546		4009
3547	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3548	};	4011	};
3549	}	4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
3550	}	4023	}
3551		4024
3552	{	4025	{
		4026	# configure IO::AIO
		4027
3553	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3554
3555	undef $Coro::AIO::WATCHER;
3556	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3557	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
3558	reentrant => 0,
3559	data => WF_AUTOCANCEL,
3560	fd => IO::AIO::poll_fileno,
3561	poll => 'r',
3562	prio => 6,
3563	cb => \&IO::AIO::poll_cb,
3564	);
3565	}	4031	}
3566		4032
3567	my $_log_backtrace;	4033	my $_log_backtrace;
3568		4034
3569	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3572	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3573		4039
3574	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3575	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3576	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3577	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3578	my @bt = fork_call {	4047	my @bt = fork_call {
3579	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3582	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3590	}	4059	}
3591		4060
3592	@funcs	4061	@funcs
3593	};	4062	};
3594		4063
3595	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3596	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3597	--$_log_backtrace;	4067	--$_log_backtrace;
3598	};	4068	};
3599	} else {	4069	} else {
3600	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3601	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3602	}	4072	}
3603	}	4073	}
3604		4074
3605	# load additional modules	4075	# load additional modules
3606	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3607		4078
3608	END { cf::emergency_save }	4079	END { cf::emergency_save }
3609		4080
3610	1	4081	1
3611		4082

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