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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC vs.
Revision 1.509 by root, Mon Apr 5 03:22:25 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 = EV::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 = EV::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	}
…		…
1346		1545
1347	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1348		1547
1349	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1350	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
1351		1552
1352	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1353	cf::cede_to_tick;	1554	cf::cede_to_tick;
1354	}	1555	}
1355		1556
…		…
1387	my ($pl) = @_;	1588	my ($pl) = @_;
1388		1589
1389	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1390		1591
1391	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1392	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1393		1594
1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1395	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1397	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1398		1601
1399	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1400	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1439		1642
1440	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
1441	my $path = path $login;	1644	my $path = path $login;
1442		1645
1443	# a .pst is a dead give-away for a valid player	1646	# a .pst is a dead give-away for a valid player
1444	unless (-e "$path.pst") {	1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1447	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
1448	}	1652	}
1449		1653
…		…
1480	}	1684	}
1481		1685
1482	\@paths	1686	\@paths
1483	}	1687	}
1484		1688
1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1486		1690
1487	Expand crossfire pod fragments into protocol xml.	1691	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		1692
1536	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1537		1694
1538	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1539		1696
…		…
1606	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1607	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1608		1765
1609	sub generate_random_map {	1766	sub generate_random_map {
1610	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1611	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1612	$self->_create_random_map (	1772	$self->_create_random_map (
1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1616	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1617	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1737		1897
1738	# the temporary/swap location	1898	# the temporary/swap location
1739	sub save_path {	1899	sub save_path {
1740	my ($self) = @_;	1900	my ($self) = @_;
1741		1901
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1744	}	1904	}
1745		1905
1746	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1747	sub uniq_path {	1907	sub uniq_path {
1748	my ($self) = @_;	1908	my ($self) = @_;
1749		1909
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$UNIQUEDIR/$path"	1911	"$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	}	1912	}
1762		1913
1763	sub decay_objects {	1914	sub decay_objects {
1764	my ($self) = @_;	1915	my ($self) = @_;
1765		1916
…		…
1849	sub find {	2000	sub find {
1850	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1851		2002
1852	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1853		2004
1854	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1855	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1856		2007
1857	$cf::MAP{$path} || do {	2008	$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	2009	my $map = new_from_path cf::map $path
1862	or return;	2010	or return;
1863		2011
1864	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1865		2013
…		…
1867	or return;	2015	or return;
1868		2016
1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1870	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1871	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
1872	undef $guard1;	2021	undef $guard1;
1873	undef $guard2;
1874	$map->reset;	2022	$map->reset;
1875	return find $path;	2023	return find $path;
1876	}	2024	}
1877		2025
1878	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1879	}	2027	}
1880	}	2028	}
1881		2029
1882	sub pre_load { }	2030	sub pre_load { }
1883	sub post_load { }	2031	#sub post_load { } # XS
1884		2032
1885	sub load {	2033	sub load {
1886	my ($self) = @_;	2034	my ($self) = @_;
1887		2035
1888	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1891		2039
1892	{	2040	{
1893	my $guard = cf::lock_acquire "map_data:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1894		2042
1895	return unless $self->valid;	2043	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2045
1898	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1899		2047
1900	$self->alloc;	2048	$self->alloc;
1901		2049
…		…
1905	my $f = new_from_file cf::object::thawer $self->{load_path};	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
1906	$f->skip_block;	2054	$f->skip_block;
1907	$self->_load_objects ($f)	2055	$self->_load_objects ($f)
1908	or return;	2056	or return;
1909		2057
1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1911	if delete $self->{load_original};	2059	if delete $self->{load_original};
1912		2060
1913	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1914	utf8::encode $uniq;	2062	utf8::encode $uniq;
1915	unless (aio_stat $uniq) {	2063	unless (aio_stat $uniq) {
…		…
1933	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1934	$self->decay_objects;	2082	$self->decay_objects;
1935	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1936	$self->update_buttons;	2084	$self->update_buttons;
1937	cf::cede_to_tick;	2085	cf::cede_to_tick;
1938	$self->set_darkness_map;
1939	cf::cede_to_tick;
1940	$self->activate;	2086	$self->activate;
1941	}	2087	}
1942		2088
1943	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
1944	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
1945		2091
1946	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1947	}	2093	}
1948		2094
1949	$self->post_load;	2095	$self->post_load;
1950	}	2096	}
1951		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1952	sub customise_for {	2101	sub customise_for {
1953	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1954		2103
1955	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1956	if $self->per_player;	2105	if $self->per_player;
…		…
2009	my ($path, $origin, $load) = @_;	2158	my ($path, $origin, $load) = @_;
2010		2159
2011	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
2012		2161
2013	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2015	}	2164	}
2016		2165
2017	$MAP_PREFETCH{$path} |= $load;	2166	$MAP_PREFETCH{$path} |= $load;
2018		2167
2019	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
2020	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
2021	while (my ($k, $v) = each %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
2022	if (my $map = find $k) {	2173	if (my $map = find $k) {
2023	$map->load if $v;	2174	$map->load if $v;
2024	}	2175	}
…		…
2050	return if $self->{deny_save};	2201	return if $self->{deny_save};
2051		2202
2052	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
2053		2204
2054	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
2055	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2056	};	2208	};
		2209
		2210	cf::get_slot 0.02;
2057		2211
2058	if ($uniq) {	2212	if ($uniq) {
2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2061	} else {	2215	} else {
…		…
2070	$self->save;	2224	$self->save;
2071		2225
2072	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2073		2227
2074	return if $self->players;	2228	return if $self->players;
2075	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2076	return if $self->{deny_save};	2230	return if $self->{deny_save};
2077		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
2078	$self->deactivate;	2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2236	$self->clear;
2080	$self->in_memory (cf::MAP_SWAPPED);
2081	}	2237	}
2082		2238
2083	sub reset_at {	2239	sub reset_at {
2084	my ($self) = @_;	2240	my ($self) = @_;
2085		2241
…		…
2103		2259
2104	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2105		2261
2106	return if $self->players;	2262	return if $self->players;
2107		2263
2108	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2109		2265
2110	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2111		2267
2112	# need to save uniques path	2268	# need to save uniques path
2113	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2118	}	2274	}
2119		2275
2120	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2121		2277
2122	$self->deactivate;	2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2123	$self->clear;	2280	$self->clear;
2124
2125	$_->clear_links_to ($self) for values %cf::MAP;
2126		2281
2127	$self->unlink_save;	2282	$self->unlink_save;
2128	$self->destroy;	2283	$self->destroy;
2129	}	2284	}
2130		2285
…		…
2197		2352
2198	sub unique_maps() {	2353	sub unique_maps() {
2199	[	2354	[
2200	map {	2355	map {
2201	utf8::decode $_;	2356	utf8::decode $_;
2202	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2203	? normalise $_	2360	: normalise $_
2204	: ()
2205	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2206	]	2362	]
2207	}	2363	}
2208		2364
2209	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2210		2396
2211	=back	2397	=back
2212		2398
2213	=head3 cf::object	2399	=head3 cf::object
2214		2400
…		…
2218		2404
2219	=over 4	2405	=over 4
2220		2406
2221	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2222		2408
2223	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2224		2411
2225	=cut	2412	=cut
2226		2413
2227	sub inv_recursive_;	2414	sub inv_recursive_;
2228	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2233	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2234	}	2421	}
2235		2422
2236	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2237		2424
2238	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2239		2426
2240	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2241		2428
2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2243	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2245	=cut	2432	=cut
2246		2433
2247	sub deref {	2434	sub deref {
2248	my ($ref) = @_;	2435	my ($ref) = @_;
2249		2436
2250	# temporary compatibility#TODO#remove
2251	$ref =~ s{^<}{player/<};
2252
2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2254	my ($uuid, $name) = ($1, $2);	2438	my ($uuid, $name) = ($1, $2);
2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2256	or return;	2440	or return;
2257	$pl->ob->uuid eq $uuid	2441	$pl->ob->uuid eq $uuid
2258	or return;	2442	or return;
…		…
2278	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2279	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2280		2464
2281	=cut	2465	=cut
2282		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2283	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2284	# with dialog boxes.	2482	# with dialog boxes.
2285	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2286	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2287	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2298	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2300		2498
2301	} else {	2499	} else {
2302	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2303	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2304	}	2502	}
2305	}	2503	}
2306	}	2504	}
2307		2505
2308	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2333		2531
2334	=item $player_object->enter_link	2532	=item $player_object->enter_link
2335		2533
2336	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2337		2535
2338	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2339	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2340		2540
2341	Will never block.	2541	Will never block.
2342		2542
2343	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2344		2544
…		…
2396	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2397	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2398		2598
2399	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2400	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2401	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2402		2602
2403	$map->load;	2603	$map->load;
2404	$map->load_neighbours;	2604	$map->load_neighbours;
2405		2605
2406	return unless $self->contr->active;	2606	return unless $self->contr->active;
2407	$self->activate_recursive;
2408		2607
2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2410	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2411	}	2613	}
2412		2614
2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2414		2616
2415	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2416	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2417	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2418	the new (success) or old (failed) map position. In either case, $done will	2620	the new (success) or old (failed) map position. In either case, $done will
2419	be called at the end of this process.	2621	be called at the end of this process.
2420		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
		2625
2421	=cut	2626	=cut
2422		2627
2423	our $GOTOGEN;	2628	our $GOTOGEN;
2424		2629
2425	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
…		…
2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2430		2635
2431	$self->enter_link;	2636	$self->enter_link;
2432		2637
2433	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2434	my $map = eval {	2660	my $map = eval {
2435	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2436		2662
2437	if ($map) {	2663	if ($map) {
2438	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2439	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2440	} else {	2666	} else {
2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2442	}	2668	}
2443		2669
2444	$map	2670	$map
2445	};	2671	};
2446		2672
…		…
2482	}	2708	}
2483		2709
2484	sub prepare_random_map {	2710	sub prepare_random_map {
2485	my ($exit) = @_;	2711	my ($exit) = @_;
2486		2712
2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
2488
2489	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2490	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2491	# that depends on the exit object	2715	# that depends on the exit object
2492		2716
2493	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2495	if ($exit->map) {	2719	if ($exit->map) {
2496	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2497	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2498	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2499	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2500	}	2726	}
2501		2727
2502	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2503		2729
2504	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2505	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2506	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2507		2733
2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2509	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2510	undef $fh;	2736	undef $fh;
2511	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2512		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2513	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2514	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2515	}	2745	}
2516	}	2746	}
2517		2747
2518	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2519	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2520		2750
2521	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2522		2752
2523	if ($exit->slaying eq "/!") {
2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
2525	# the problem is that $exit might not survive long enough
2526	# so it needs to be done right now, right here
2527	cf::sync_job { prepare_random_map $exit };
2528	}
2529
2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2531	my $hp = $exit->stats->hp;
2532	my $sp = $exit->stats->sp;
2533
2534	$self->enter_link;	2753	$self->enter_link;
2535		2754
2536	# if exit is damned, update players death & WoR home-position
2537	$self->contr->savebed ($slaying, $hp, $sp)
2538	if $exit->flag (FLAG_DAMNED);
2539
2540	(async {	2755	(async {
2541	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2542	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2543	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2544		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2545	1;	2779	1
2546	}) {	2780	}) {
2547	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2548	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2549	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2550	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2551		2785
2552	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2569	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2570	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2571		2805
2572	utf8::encode $text;	2806	utf8::encode $text;
2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2574	}	2833	}
2575		2834
2576	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2577		2836
2578	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2580	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2581	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2582		2841
2583	=cut	2842	=cut
2584		2843
		2844	# non-persistent channels (usually the info channel)
2585	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2586	"c/identify" => {	2852	"c/identify" => {
2587	id => "identify",	2853	id => "infobox",
2588	title => "Identify",	2854	title => "Identify",
2589	reply => undef,	2855	reply => undef,
2590	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
2591	},	2857	},
2592	"c/examine" => {	2858	"c/examine" => {
2593	id => "examine",	2859	id => "infobox",
2594	title => "Examine",	2860	title => "Examine",
2595	reply => undef,	2861	reply => undef,
2596	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
2597	},	2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2598	);	2956	);
2599		2957
2600	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2601	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2602		2960
2603	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2604		2963
2605	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2606		2965
2607	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
2609		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2610	if (ref $channel) {	2973	} elsif (ref $channel) {
2611	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2612	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2613	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2614	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2615	if $self->can_msg;
2616	}	2978	}
2617		2979
2618	$channel = $channel->{id};	2980	$channel = $channel->{id};
2619	}	2981	}
2620		2982
2621	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2622		2984
2623	if ($self->can_msg) {
2624	# default colour, mask it out	2985	# default colour, mask it out
2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2626	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2627		2988
2628	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2630	} else {	2992	);
2631	if ($color >= 0) {
2632	# replace some tags by gcfclient-compatible ones
2633	for ($msg) {
2634	1 while
2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2640	}
2641		2993
2642	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($pkt);
2643
2644	utf8::encode $msg;
2645
2646	if (0 && $msg =~ /\[/) {
2647	# COMMAND/INFO
2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
2649	} else {
2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2651	$self->send_packet ("drawinfo $color $msg")
2652	}
2653	}
2654	}
2655	}	2995	}
2656		2996
2657	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2658		2998
2659	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2662		3002
2663	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2664	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2665		3005
2666	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2668	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2669	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2671	}	3011	}
2672	}	3012	}
2673		3013
2674	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2675		3015
…		…
2679		3019
2680	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2681	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2682		3022
2683	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2685	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2686	#TODO: version 1, remove	3026	#TODO: version 1, remove
2687	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2689	}	3029	}
2690	}	3030	}
2691		3031
2692	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2693		3033
…		…
2794		3134
2795	$coro	3135	$coro
2796	}	3136	}
2797		3137
2798	cf::client->attach (	3138	cf::client->attach (
2799	on_destroy => sub {	3139	on_client_destroy => sub {
2800	my ($ns) = @_;	3140	my ($ns) = @_;
2801		3141
2802	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2803	},	3143	},
2804	);	3144	);
…		…
2820	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2821		3161
2822	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2823		3163
2824	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
2825	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
2826	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
2827	sort time	3167	sort time
2828	));	3168	));
2829		3169
2830	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
2832	=pod	3172	=pod
2833		3173
2834	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2835		3175
2836	cf::object	3176	cf::object
2837	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2838	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
2839		3180
2840	cf::object::player	3181	cf::object::player
2841	player	3182	player
2842		3183
2843	cf::player	3184	cf::player
…		…
2848		3189
2849	=cut	3190	=cut
2850		3191
2851	for (	3192	for (
2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2853	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
2854	decrease_ob_nr)],	3195	decrease split destroy change_exp value msg lore send_msg)],
2855	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2856	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2857	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2858	) {	3199	) {
2859	no strict 'refs';	3200	no strict 'refs';
2860	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2861	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2879		3220
2880	my $qcode = $code;	3221	my $qcode = $code;
2881	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2882	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2883		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2884	local $_;	3228	local $_;
2885	local @safe::cf::_safe_eval_args = values %vars;
2886		3229
2887	my $eval =	3230	my $eval =
2888	"do {\n"	3231	"do {\n"
2889	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2890	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2891	. $code	3234	. $code
2892	. "\n}"	3235	. "\n}"
2893	;	3236	;
2894		3237
		3238	if ($CFG{safe_eval}) {
2895	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2896	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2897	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2898		3247
2899	if ($@) {	3248	if ($@) {
2900	warn "$@";	3249	warn "$@";
2901	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2902	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2921	=cut	3270	=cut
2922		3271
2923	sub register_script_function {	3272	sub register_script_function {
2924	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2925		3274
2926	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2927	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2928	}	3277	}
2929		3278
2930	=back	3279	=back
2931		3280
2932	=cut	3281	=cut
…		…
2953		3302
2954	$facedata->{version} == 2	3303	$facedata->{version} == 2
2955	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2956		3305
2957	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2958	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
2959	type => FT_RSRC,	3309	type => FT_RSRC,
2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
2961	};	3312	};
2962	cf::cede_to_tick;	3313	cf::cede_to_tick;
2963		3314
2964	{	3315	{
2965	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2966		3317
2967	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2969	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
2970	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2973		3325
2974	cf::cede_to_tick;	3326	cf::cede_to_tick;
2975	}	3327	}
2976		3328
2977	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2978	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2979	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2980	or next;	3333	or next;
		3334
2981	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2982	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2984	} else {	3338	} else {
2985	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2999		3353
3000	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3001	}	3355	}
3002		3356
3003	{	3357	{
3004	# TODO: for gcfclient pleasure, we should give resources
3005	# that gcfclient doesn't grok a >10000 face index.
3006	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3007		3359
3008	my $soundconf = delete $res->{"res/sound.conf"};
3009
3010	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3012	my $data;
3013		3363
3014	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3015	# prepend meta info	3365	cf::face::set_type $idx, $info->{type};
3016
3017	my $meta = $enc->encode ({
3018	name => $name,
3019	%{ $info->{meta} || {} },
3020	});
3021
3022	$data = pack "(w/a*)*", $meta, $info->{data};
3023	} else {	3366	} else {
3024	$data = $info->{data};	3367	$RESOURCE{$name} = $info;
3025	}	3368	}
3026		3369
3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3028	cf::face::set_type $idx, $info->{type};
3029
3030	cf::cede_to_tick;	3370	cf::cede_to_tick;
3031	}	3371	}
3032
3033	if ($soundconf) {
3034	$soundconf = $enc->decode (delete $soundconf->{data});
3035
3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3037	my $sound = $soundconf->{compat}[$_]
3038	or next;
3039
3040	my $face = cf::face::find "sound/$sound->[1]";
3041	cf::sound::set $sound->[0] => $face;
3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3043	}
3044
3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
3046	my $face = cf::face::find "sound/$v";
3047	cf::sound::set $k => $face;
3048	}
3049	}
3050	}	3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3051		3375
3052	1	3376	1
3053	}	3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
3054		3398
3055	register_exticmd fx_want => sub {	3399	register_exticmd fx_want => sub {
3056	my ($ns, $want) = @_;	3400	my ($ns, $want) = @_;
3057		3401
3058	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3059	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3060	}	3404	}
3061	};	3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
3062		3416
3063	sub reload_regions {	3417	sub reload_regions {
3064	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3065	# for this (global event?)	3419	# for this (global event?)
3066	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3080	}	3434	}
3081		3435
3082	sub reload_archetypes {	3436	sub reload_archetypes {
3083	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3084	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3085	#d# NEED to laod twice to resolve forward references
3086	# this really needs to be done in an extra post-pass
3087	# (which needs to be synchronous, so solve it differently)
3088	load_resource_file "$DATADIR/archetypes"
3089	or die "unable to load archetypes\n";
3090	}	3439	}
3091		3440
3092	sub reload_treasures {	3441	sub reload_treasures {
3093	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3094	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3095	}	3444	}
3096		3445
3097	sub reload_resources {	3446	sub reload_resources {
3098	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3099		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3100	reload_regions;	3451	reload_regions;
3101	reload_facedata;
3102	#reload_archetypes;#d#
3103	reload_archetypes;
3104	reload_treasures;	3452	reload_treasures;
3105		3453
3106	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3107	}	3455	}
3108		3456
3109	sub init {
3110	reload_resources;
3111	}
3112
3113	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3114	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3115	or return;	3461	or return;
3116		3462
3117	local $/;	3463	local $/;
3118	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3119		3465
3120	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3121		3467
3122	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3123	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3127	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3128	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3129	};	3475	};
3130	warn $@ if $@;	3476	warn $@ if $@;
3131	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3132	}	3508	}
3133		3509
3134	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3135	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3136	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3137	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3138	(async {	3528	(async {
3139	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
3140	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3141	};	3532	};
3142		3533
		3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3143	reload_config;	3541	reload_config;
3144	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3145	load_extensions;	3553	load_extensions;
3146		3554
3147	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
3148	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3149	}	3565	}
3150		3566
3151	#############################################################################	3567	#############################################################################
3152	# initialisation and cleanup	3568	# initialisation and cleanup
3153		3569
3154	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
3155	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
3156	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
3157	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3158	reentrant => 0,
3159	data => WF_AUTOCANCEL,
3160	signal => $signal,
3161	prio => 0,
3162	cb => sub {
3163	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
3164	},
3165	);	3576	};
3166	}	3577	}
3167	}	3578	}
3168		3579
3169	sub write_runtime {	3580	sub write_runtime_sync {
3170	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
3171		3582
3172	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3173	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3174		3585
3175	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3176		3587
3177	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3178		3589
3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3180	or return;	3591	or return;
3181		3592
3182	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3183	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3184	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3194	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3195		3606
3196	close $fh	3607	close $fh
3197	or return;	3608	or return;
3198		3609
3199	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3200	and return;	3611	and return;
3201		3612
3202	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3203		3614
3204	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3205	}	3666	}
3206		3667
3207	sub emergency_save() {	3668	sub emergency_save() {
3208	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3209		3670
3210	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3211		3672
3212	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3213	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3214	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3215	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3216	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3217	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3218	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3219	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3220	$pl->save;	3687	$pl->save;
3221	}	3688	}
3222	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3223		3690
3224	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3225	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3226	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3227	$map->valid or next;	3694	$map->valid or next;
3228	$map->save;	3695	$map->save;
3229	}	3696	}
3230	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3231		3698
3232	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3233	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3234	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3235	};	3706	};
3236		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3237	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3238	}	3714	}
3239		3715
3240	sub post_cleanup {	3716	sub post_cleanup {
3241	my ($make_core) = @_;	3717	my ($make_core) = @_;
3242		3718
3243	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3244	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3245	}	3750	}
3246		3751
3247	sub do_reload_perl() {	3752	sub do_reload_perl() {
3248	# can/must only be called in main	3753	# can/must only be called in main
3249	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3250	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3251	return;	3756	return;
3252	}	3757	}
3253		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3254	warn "reloading...";	3764	warn "reloading...";
3255		3765
3256	warn "entering sync_job";	3766	warn "entering sync_job";
3257		3767
3258	cf::sync_job {	3768	cf::sync_job {
3259	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3260	cf::emergency_save;	3770	cf::emergency_save;
3261	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3262		3772
3263	warn "syncing database to disk";	3773	warn "syncing database to disk";
3264	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3265		3775
3266	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3267		3777
3268	warn "cancelling all WF_AUTOCANCEL watchers";
3269	for (Event::all_watchers) {
3270	$_->cancel if $_->data & WF_AUTOCANCEL;
3271	}
3272
3273	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
3274	for (;;) {
3275	BDB::flush;
3276	IO::AIO::flush;
3277	Coro::cede;
3278	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3279	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3280	}
3281
3282	++$RELOAD;
3283
3284	warn "cancelling all extension coros";
3285	$_->cancel for values %EXT_CORO;
3286	%EXT_CORO = ();
3287
3288	warn "removing commands";
3289	%COMMAND = ();
3290
3291	warn "removing ext/exti commands";
3292	%EXTCMD = ();
3293	%EXTICMD = ();
3294
3295	warn "unloading/nuking all extensions";
3296	for my $pkg (@EXTS) {
3297	warn "... unloading $pkg";
3298
3299	if (my $cb = $pkg->can ("unload")) {
3300	eval {
3301	$cb->($pkg);
3302	1
3303	} or warn "$pkg unloaded, but with errors: $@";
3304	}	3781	}
3305		3782
3306	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3307	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3308	}	3785	%EXT_CORO = ();
3309		3786
3310	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3311	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3313		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3314	warn "... unloading $k";	3796	warn "... unloading $pkg";
3315	delete $INC{$k};
3316		3797
3317	$k =~ s/\.pm$//;
3318	$k =~ s/\//::/g;
3319
3320	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3321	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3322	}	3807	}
3323		3808
3324	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3325	}	3824	}
3326		3825
3327	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3328	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3330		3829
3331	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3332	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3333	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3334		3833
3335	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3336	# and global variables created in xs	3835	# and global variables created in xs
3337	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3338		3837
3339	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3340		3839
3341	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3342	require cf;	3841	require cf;
3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3344		3843
3345	warn "loading config and database again";	3844	warn "loading config and database again";
3346	cf::reload_config;	3845	cf::reload_config;
3347		3846
3348	warn "loading extensions";	3847	warn "loading extensions";
3349	cf::load_extensions;	3848	cf::load_extensions;
3350		3849
		3850	if ($REATTACH_ON_RELOAD) {
3351	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3352	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3353	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3354	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3355	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3356	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3357		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3358	warn "leaving sync_job";	3862	warn "leaving sync_job";
3359		3863
3360	1	3864	1
3361	} or do {	3865	} or do {
3362	warn $@;	3866	warn $@;
3363	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3364	exit 1;
3365	};	3868	};
3366		3869
3367	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3368	};	3876	};
3369		3877
3370	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3371		3879
3372	sub reload_perl() {	3880	sub reload_perl() {
3373	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3374	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3375		3883
3376	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3377	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3378	after => 0,	3886
3379	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3380	cb => sub {
3381	do_reload_perl;	3888	do_reload_perl;
3382	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3383	},	3890	};
3384	);	3891	};
3385	}	3892	}
3386		3893
3387	register_command "reload" => sub {	3894	register_command "reload" => sub {
3388	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3389		3896
3390	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3391	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3392	async { reload_perl };	3901	reload_perl;
		3902	};
3393	}	3903	}
3394	};	3904	};
3395		3905
3396	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3397		3907
…		…
3399		3909
3400	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3401	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3402		3912
3403	sub wait_for_tick {	3913	sub wait_for_tick {
3404	return unless $TICK_WATCHER->is_active;
3405	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3406		3915
3407	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3408	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3409	$signal->wait;	3918	$signal->wait;
3410	}	3919	}
3411		3920
3412	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3413	return unless $TICK_WATCHER->is_active;
3414	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3415		3923
3416	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3417	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3418	$signal->wait;	3926	$signal->wait;
3419	}	3927	}
3420		3928
3421	my $min = 1e6;#d#	3929	sub tick {
3422	my $avg = 10;
3423	$TICK_WATCHER = Event->timer (
3424	reentrant => 0,
3425	parked => 1,
3426	prio => 0,
3427	at => $NEXT_TICK || $TICK,
3428	data => WF_AUTOCANCEL,
3429	cb => sub {
3430	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3432	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3433	return;	3933	return;
3434	}	3934	}
3435		3935
3436	$NOW = $tick_start = Event::time;
3437
3438	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3439		3937
3440	0 && sync_job {#d#	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3441	for(1..10) {
3442	my $t = Event::time;
3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3444	or die;
3445		3939
3446	$map->width (50);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3447	$map->height (50);	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3448	$map->alloc;	3942	Coro::async_pool {
3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	3943	$Coro::current->{desc} = "runtime saver";
3450	my $t = Event::time - $t;	3944	write_runtime_sync
3451		3945	or warn "ERROR: unable to write runtime file: $!";
3452	#next unless $t < 0.0013;#d#
3453	if ($t < $min) {
3454	$min = $t;
3455	}
3456	$avg = $avg * 0.99 + $t * 0.01;
3457	}
3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3459	exit 0;
3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3461	};	3946	};
		3947	}
3462		3948
3463	$RUNTIME += $TICK;
3464	$NEXT_TICK += $TICK;
3465
3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
3468	Coro::async_pool {
3469	write_runtime
3470	or warn "ERROR: unable to write runtime file: $!";
3471	};
3472	}
3473
3474	# my $AFTER = Event::time;
3475	# warn $AFTER - $NOW;#d#
3476
3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3478	$sig->send;	3950	$sig->send;
3479	}	3951	}
3480	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3481	$sig->send;	3953	$sig->send;
3482	}	3954	}
3483		3955
3484	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3485
3486	# if we are delayed by four ticks or more, skip them all
3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3488
3489	$TICK_WATCHER->at ($NEXT_TICK);
3490	$TICK_WATCHER->start;
3491
3492	$LOAD = ($NOW - $tick_start) / $TICK;
3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3494		3958
3495	_post_tick;	3959	if (0) {
3496		3960	if ($NEXT_TICK) {
3497		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3498	},	3965	}
3499	);	3966	}
3500		3967
3501	{	3968	{
3502	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
3503	$BDB_POLL_WATCHER = Event->io (	3970
3504	reentrant => 0,
3505	fd => BDB::poll_fileno,
3506	poll => 'r',
3507	prio => 0,
3508	data => WF_AUTOCANCEL,
3509	cb => \&BDB::poll_cb,
3510	);
3511	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3512		3972	BDB::max_poll_reqs $TICK * 0.1;
3513	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
3514	my $status;
3515	my $current = $Coro::current;
3516	(
3517	sub {
3518	$status = $!;
3519	$current->ready; undef $current;
3520	},
3521	sub {
3522	Coro::schedule while defined $current;
3523	$! = $status;
3524	},
3525	)
3526	};
3527		3974
3528	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3529	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3530		3982
3531	cf::sync_job {	3983	cf::sync_job {
3532	eval {	3984	eval {
3533	BDB::db_env_open	3985	BDB::db_env_open
3534	$DB_ENV,	3986	$DB_ENV,
…		…
3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3538	0666;	3990	0666;
3539		3991
3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3541
3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3543	$DB_ENV->set_lk_detect;
3544	};	3993	};
3545		3994
3546	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3547	};	3996	};
3548	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
3549	}	4008	}
3550		4009
3551	{	4010	{
		4011	# configure IO::AIO
		4012
3552	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3553
3554	undef $Coro::AIO::WATCHER;
3555	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3556	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3557	reentrant => 0,
3558	data => WF_AUTOCANCEL,
3559	fd => IO::AIO::poll_fileno,
3560	poll => 'r',
3561	prio => 6,
3562	cb => \&IO::AIO::poll_cb,
3563	);
3564	}	4016	}
3565		4017
3566	my $_log_backtrace;	4018	my $_log_backtrace;
3567		4019
3568	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3571	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3572		4024
3573	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3574	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3575	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3576	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3577	my @bt = fork_call {	4032	my @bt = fork_call {
3578	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3581	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3589	}	4044	}
3590		4045
3591	@funcs	4046	@funcs
3592	};	4047	};
3593		4048
3594	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3595	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3596	--$_log_backtrace;	4052	--$_log_backtrace;
3597	};	4053	};
3598	} else {	4054	} else {
3599	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3600	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3601	}	4057	}
3602	}	4058	}
3603		4059
3604	# load additional modules	4060	# load additional modules
3605	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3606		4063
3607	END { cf::emergency_save }	4064	END { cf::emergency_save }
3608		4065
3609	1	4066	1
3610		4067

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