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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.64 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
86		124
87	our %CFG;	125	our %CFG;
88		126
89	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
91		130
92	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
95		134
96	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		137
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
102		147
103	binmode STDOUT;	148	binmode STDOUT;
104	binmode STDERR;	149	binmode STDERR;
105		150
106	# read virtual server time, if available	151	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
111	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
112		159
113	mkdir $_	160	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		162
116	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
117		164
118	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		177
120	#############################################################################	178	#############################################################################
121		179
122	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
123		181
…		…
159		217
160	The raw value load value from the last tick.	218	The raw value load value from the last tick.
161		219
162	=item %cf::CFG	220	=item %cf::CFG
163		221
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	223	from wherever your confdir points to.
166		224
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		226
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		230
173	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
174		232
175	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	235	that call.
178		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
179	=back	243	=back
180		244
181	=cut	245	=cut
182		246
183	BEGIN {	247	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	248	my $msg = join "", @_;
186		249
187	$msg .= "\n"	250	$msg .= "\n"
188	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
189		252
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		254
192	utf8::encode $msg;
193	LOG llevError, $msg;	255	LOG llevError, $msg;
194	};	256	};
195	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
196		271
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	282	for my $pkg (qw(
208	cf::global cf::attachable	283	cf::global cf::attachable
209	cf::object cf::object::player	284	cf::object cf::object::player
210	cf::client cf::player	285	cf::client cf::player
211	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
212	cf::map cf::party cf::region	288	cf::party cf::region
213	)) {	289	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	291	}
217		292
218	$Event::DIED = sub {	293	$EV::DIED = sub {
219	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
220	};	295	};
221		296
222	#############################################################################	297	#############################################################################
223		298
224	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	322	$d
248	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
249	}	324	}
250		325
251	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
252		327
253	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
254		329
255	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
256		331
257	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
258		333
259	=cut	334	=cut
260		335
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		337
263	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
265		354
266	=item cf::lock_wait $string	355	=item cf::lock_wait $string
267		356
268	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
269		358
270	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
271		360
272	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
275	returned.	364	returned.
276		365
277	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	367	deadlocked coro.
…		…
284		373
285	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
286		375
287	=cut	376	=cut
288		377
289	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		379
292	sub lock_wait($) {	380	sub lock_wait($) {
293	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	382	}
306		383
307	sub lock_acquire($) {	384	sub lock_acquire($) {
308	my ($key) = @_;	385	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	386	}
322		387
323	sub lock_active($) {	388	sub lock_active($) {
324	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	390	}
328		391
329	sub freeze_mainloop {	392	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
331		394
332	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	396	}
334	};	397
335	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
336	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
337	}	411	}
338		412
339	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
340		414
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
349		423
350	=cut	424	=cut
351		425
352	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
354		429
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
357	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
358		436
359	while () {	437	while () {
360	next_job:	438	next_job:
		439
361	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
362	if ($avail > 0.01) {	441
363	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
364	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
365	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
366	$job->[2]->send;	446	$job->[2]->send;
367	Coro::cede;	447	Coro::cede;
368	goto next_job;	448	goto next_job;
369	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
370	}	451	}
371	}	452	}
372		453
373	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
374	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
375	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;	457	$signal->wait;
377	} else {	458	} else {
		459	$busy = 0;
378	Coro::schedule;	460	Coro::schedule;
379	}	461	}
380	}	462	}
381	};	463	};
382		464
383	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
384	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
385		469
386	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
387	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
388		473
389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
402		487
403	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
404		489
405	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
406		491
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
408	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410	acceptable.	495	acceptable.
411		496
412	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
413	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
418		503
419	sub sync_job(&) {	504	sub sync_job(&) {
420	my ($job) = @_;	505	my ($job) = @_;
421		506
422	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
423	my $time = Event::time;	508	my $time = AE::time;
424		509
425	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
427		512
428	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	514
430	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
431		516
432	my $busy = 1;	517	my $busy = 1;
433	my @res;	518	my @res;
434		519
435	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	522	@res = eval { $job->() };
437	warn $@ if $@;	523	warn $@ if $@;
438	undef $busy;	524	undef $busy;
439	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
440		526
441	while ($busy) {	527	while ($busy) {
442	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
443	}	532	}
		533	}
444		534
445	$time = Event::time - $time;	535	my $time = AE::time - $time;
446		536
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
451		538
452	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
453	} else {	540	} else {
454	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
455		542
…		…
480	=item fork_call { }, $args	567	=item fork_call { }, $args
481		568
482	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
483	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
484	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
485	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
486		573
487	=cut	574	=cut
488		575
489	sub fork_call(&@) {	576	sub fork_call(&@) {
490	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
…		…
499	}, @args;	586	}, @args;
500		587
501	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
502	}	589	}
503		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
504	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
505		619
506	Returns a single value from the environment database.	620	Returns a single value from the environment database.
507		621
508	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
509		623
510	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
513	=cut	632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
514		650
515	our $DB;	651	our $DB;
516		652
517	sub db_init {	653	sub db_init {
518	unless ($DB) {
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {	654	cf::sync_job {
522	eval {	655	$DB ||= db_table "db";
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}	656	};
532	}	657	}
533		658
534	sub db_get($$) {	659	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
536		661
…		…
634		759
635	#############################################################################	760	#############################################################################
636		761
637	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
638		763
639	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
640	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
641	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
642		767
643	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
644	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
645	Crossfire TRT).	770	Deliantra).
646		771
647	=over 4	772	=over 4
648		773
649	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
650		775
…		…
694	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
695		820
696	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
697	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
698		823
699	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
700	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
701		826
702	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
703		828
704	=over 4	829	=over 4
…		…
932	}	1057	}
933		1058
934	0	1059	0
935	}	1060	}
936		1061
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1063
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1065
941	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
942		1067
…		…
948		1073
949	=cut	1074	=cut
950		1075
951	#############################################################################	1076	#############################################################################
952	# object support	1077	# object support
953	#
954		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
955	sub _can_merge {	1112	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
957		1114
958	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1116
962	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
963	}	1119	}
964		1120
965	sub reattach {	1121	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1123	my ($obj) = @_;
968		1124
		1125	# no longer needed after getting rid of delete_package?
969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
970		1127
971	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
972		1129
973	@$registry = ();	1130	@$registry = ();
974		1131
…		…
989	cf::attachable->attach (	1146	cf::attachable->attach (
990	prio => -1000000,	1147	prio => -1000000,
991	on_instantiate => sub {	1148	on_instantiate => sub {
992	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
993		1150
994	$data = from_json $data;	1151	$data = decode_json $data;
995		1152
996	for (@$data) {	1153	for (@$data) {
997	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
998		1155
999	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1170	);
1014		1171
1015	sub object_freezer_save {	1172	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1017		1174
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1175	sync_job {
1021	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1024		1180
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
1029	close $fh;	1188	aio_close $fh;
1030		1189
1031	if (@$objs) {	1190	if (@$objs) {
1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1036	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1197	aio_fsync $fh;
		1198	}
1037	close $fh;	1199	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1201	}
1040	} else {	1202	} else {
1041	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1042	}	1204	}
1043		1205
1044	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1210	} else {
1046	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1047	}	1212	}
1048	} else {	1213	} else {
1049	aio_unlink $filename;	1214	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1051	}	1216	}
1052	};	1217	};
1053
1054	undef $guard;
1055	}	1218	}
1056		1219
1057	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1059		1222
…		…
1064		1227
1065	sub object_thawer_load {	1228	sub object_thawer_load {
1066	my ($filename) = @_;	1229	my ($filename) = @_;
1067		1230
1068	my ($data, $av);	1231	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1232
1072	(aio_load $filename, $data) >= 0	1233	(aio_load $filename, $data) >= 0
1073	or return;	1234	or return;
1074		1235
1075	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1238	or return;
1078		1239
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1081	}	1242	}
1082		1243
		1244	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
1085		1247
1086	($data, $av)	1248	($data, $av)
1087	}	1249	}
1088		1250
1089	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
…		…
1145	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1146		1308
1147	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1148	}	1310	}
1149		1311
		1312	use File::Glob ();
		1313
1150	cf::player->attach (	1314	cf::player->attach (
1151	on_command => sub {	1315	on_unknown_command => sub {
1152	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1153		1317
1154	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1155	or return;	1319	or return;
1156		1320
…		…
1186		1350
1187	cf::override;	1351	cf::override;
1188	},	1352	},
1189	);	1353	);
1190		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
		1367
1191	sub load_extensions {	1368	sub load_extensions {
1192	cf::sync_job {	1369	cf::sync_job {
1193	my %todo;	1370	my %todo;
1194		1371
1195	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1214		1391
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1394
1218	$ext{source} =	1395	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1220	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1221	. $source	1398	. $source
1222	. "\n};\n1";	1399	. "\n};\n1";
1223		1400
1224	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1225	}	1402	}
1226		1403
		1404	my $pass = 0;
1227	my %done;	1405	my %done;
1228	while (%todo) {	1406	while (%todo) {
1229	my $progress;	1407	my $progress;
1230		1408
		1409	++$pass;
		1410
		1411	ext:
1231	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1232	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1233	goto skip	1414	next ext
1234	unless exists $done{$_};	1415	unless exists $done{$_};
1235	}	1416	}
1236		1417
1237	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1238		1419
1239	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1240	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1241	: "$v->{base}: extension inactive.\n";
1242		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1243	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1244	warn $msg;	1427	} else {
1245	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1246	exit 1;	1429	push @EXTS, $v->{pkg};
1247	}	1430	$progress = 1;
1248		1431
1249	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1250	}	1434	}
1251
1252	$done{$k} = delete $todo{$k};
1253	push @EXTS, $v->{pkg};
1254	$progress = 1;
1255	}	1435	}
1256		1436
1257	skip:	1437	unless ($progress) {
1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1259	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1260	}	1445	}
1261	};	1446	};
1262	}	1447	}
1263		1448
1264	#############################################################################	1449	#############################################################################
1265		1450
1266	=back	1451	=back
1267		1452
1268	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1269		1454
1270	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1271		1456
1272	=cut	1457	=cut
1273		1458
1274	package cf::player;	1459	package cf::player;
1275		1460
…		…
1318		1503
1319	sub exists($) {	1504	sub exists($) {
1320	my ($login) = @_;	1505	my ($login) = @_;
1321		1506
1322	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1324	}	1509	}
1325		1510
1326	sub find($) {	1511	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1513	my $login = $_[0];
…		…
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1524
1340	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1526	or return;
1342		1527
1343	$f->next;
1344	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1345	or return;	1529	or return;
		1530
1346	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1347	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1348	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1349	}	1534	}
1350	}	1535	}
1351	}	1536	}
1352		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
		1550
1353	sub save($) {	1551	sub save($) {
1354	my ($pl) = @_;	1552	my ($pl) = @_;
1355		1553
1356	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
1357		1555
…		…
1360		1558
1361	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1362		1560
1363	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1364	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1365		1568
1366	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1367	cf::cede_to_tick;	1570	cf::cede_to_tick;
1368	}	1571	}
1369		1572
…		…
1401	my ($pl) = @_;	1604	my ($pl) = @_;
1402		1605
1403	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1404		1607
1405	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1406	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1407		1610
1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1409	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1410	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1411	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1412		1617
1413	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1414	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1453		1658
1454	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
1455	my $path = path $login;	1660	my $path = path $login;
1456		1661
1457	# a .pst is a dead give-away for a valid player	1662	# a .pst is a dead give-away for a valid player
1458	unless (-e "$path.pst") {	1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1460	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1461	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
1462	}	1668	}
1463		1669
…		…
1494	}	1700	}
1495		1701
1496	\@paths	1702	\@paths
1497	}	1703	}
1498		1704
1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1500		1706
1501	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1502
1503	=cut
1504
1505	sub expand_cfpod {
1506	((my $self), (local $_)) = @_;
1507
1508	# escape & and <
1509	s/&/&amp;/g;
1510	s/(?<![BIUGHT])</&lt;/g;
1511
1512	# this is buggy, it needs to properly take care of nested <'s
1513
1514	1 while
1515	# replace B<>, I<>, U<> etc.
1516	s/B<([^\>]*)>/<b>$1<\/b>/
1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1520	# replace G<male|female> tags
1521	|| s{G<([^>|]*)\|([^>]*)>}{
1522	$self->gender ? $2 : $1
1523	}ge
1524	# replace H<hint text>
1525	|| s{H<([^\>]*)>}
1526	{
1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1529	"")
1530	[$self->{hintmode}]
1531	}ge;
1532
1533	# create single paragraphs (very hackish)
1534	s/(?<=\S)\n(?=\w)/ /g;
1535
1536	# compress some whitespace
1537	s/\s+\n/\n/g; # ws line-ends
1538	s/\n\n+/\n/g; # double lines
1539	s/^\n+//; # beginning lines
1540	s/\n+$//; # ending lines
1541
1542	$_
1543	}
1544
1545	sub hintmode {
1546	$_[0]{hintmode} = $_[1] if @_ > 1;
1547	$_[0]{hintmode}
1548	}
1549		1708
1550	=item $player->ext_reply ($msgid, @msg)	1709	=item $player->ext_reply ($msgid, @msg)
1551		1710
1552	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1553		1712
…		…
1620	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1621	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1622		1781
1623	sub generate_random_map {	1782	sub generate_random_map {
1624	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1625	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1626	$self->_create_random_map (	1788	$self->_create_random_map (
1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1630	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1631	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1632	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1633	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1751		1913
1752	# the temporary/swap location	1914	# the temporary/swap location
1753	sub save_path {	1915	sub save_path {
1754	my ($self) = @_;	1916	my ($self) = @_;
1755		1917
1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1757	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1758	}	1920	}
1759		1921
1760	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1761	sub uniq_path {	1923	sub uniq_path {
1762	my ($self) = @_;	1924	my ($self) = @_;
1763		1925
1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1765	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1766	}
1767
1768	# and all this just because we cannot iterate over
1769	# all maps in C++...
1770	sub change_all_map_light {
1771	my ($change) = @_;
1772
1773	$_->change_map_light ($change)
1774	for grep $_->outdoor, values %cf::MAP;
1775	}	1928	}
1776		1929
1777	sub decay_objects {	1930	sub decay_objects {
1778	my ($self) = @_;	1931	my ($self) = @_;
1779		1932
…		…
1863	sub find {	2016	sub find {
1864	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1865		2018
1866	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1867		2020
1868	cf::lock_wait "map_data:$path";#d#remove	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1869	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1870		2023
1871	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1872	my $guard1 = cf::lock_acquire "map_find:$path";
1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1874
1875	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1876	or return;	2026	or return;
1877		2027
1878	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1879		2029
…		…
1881	or return;	2031	or return;
1882		2032
1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1884	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1885	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
1886	undef $guard1;	2037	undef $guard1;
1887	undef $guard2;
1888	$map->reset;	2038	$map->reset;
1889	return find $path;	2039	return find $path;
1890	}	2040	}
1891		2041
1892	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1893	}	2043	}
1894	}	2044	}
1895		2045
1896	sub pre_load { }	2046	sub pre_load { }
1897	sub post_load { }	2047	#sub post_load { } # XS
1898		2048
1899	sub load {	2049	sub load {
1900	my ($self) = @_;	2050	my ($self) = @_;
1901		2051
1902	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919	my $f = new_from_file cf::object::thawer $self->{load_path};	2069	my $f = new_from_file cf::object::thawer $self->{load_path};
1920	$f->skip_block;	2070	$f->skip_block;
1921	$self->_load_objects ($f)	2071	$self->_load_objects ($f)
1922	or return;	2072	or return;
1923		2073
1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1925	if delete $self->{load_original};	2075	if delete $self->{load_original};
1926		2076
1927	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1928	utf8::encode $uniq;	2078	utf8::encode $uniq;
1929	unless (aio_stat $uniq) {	2079	unless (aio_stat $uniq) {
…		…
1947	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1948	$self->decay_objects;	2098	$self->decay_objects;
1949	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1950	$self->update_buttons;	2100	$self->update_buttons;
1951	cf::cede_to_tick;	2101	cf::cede_to_tick;
1952	$self->set_darkness_map;
1953	cf::cede_to_tick;
1954	$self->activate;	2102	$self->activate;
1955	}	2103	}
1956		2104
1957	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1958	$self->last_access ($cf::RUNTIME);	2106	$self->last_access ($cf::RUNTIME);
1959		2107
1960	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1961	}	2109	}
1962		2110
1963	$self->post_load;	2111	$self->post_load;
1964	}	2112	}
1965		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1966	sub customise_for {	2117	sub customise_for {
1967	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1968		2119
1969	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1970	if $self->per_player;	2121	if $self->per_player;
…		…
2023	my ($path, $origin, $load) = @_;	2174	my ($path, $origin, $load) = @_;
2024		2175
2025	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
2026		2177
2027	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2029	}	2180	}
2030		2181
2031	$MAP_PREFETCH{$path} |= $load;	2182	$MAP_PREFETCH{$path} |= $load;
2032		2183
2033	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
2034	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
2035	while (my ($k, $v) = each %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
2036	if (my $map = find $k) {	2189	if (my $map = find $k) {
2037	$map->load if $v;	2190	$map->load if $v;
2038	}	2191	}
…		…
2064	return if $self->{deny_save};	2217	return if $self->{deny_save};
2065		2218
2066	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
2067		2220
2068	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
2069	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
2070	};	2224	};
		2225
		2226	cf::get_slot 0.02;
2071		2227
2072	if ($uniq) {	2228	if ($uniq) {
2073	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2074	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2075	} else {	2231	} else {
…		…
2084	$self->save;	2240	$self->save;
2085		2241
2086	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2087		2243
2088	return if $self->players;	2244	return if $self->players;
2089	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
2090	return if $self->{deny_save};	2246	return if $self->{deny_save};
2091		2247
2092	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2093		2249
2094	$self->deactivate;	2250	$self->deactivate;
…		…
2119		2275
2120	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2121		2277
2122	return if $self->players;	2278	return if $self->players;
2123		2279
2124	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2125		2281
2126	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2127		2283
2128	# need to save uniques path	2284	# need to save uniques path
2129	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2212		2368
2213	sub unique_maps() {	2369	sub unique_maps() {
2214	[	2370	[
2215	map {	2371	map {
2216	utf8::decode $_;	2372	utf8::decode $_;
2217	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2218	? normalise $_	2376	: normalise $_
2219	: ()
2220	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2221	]	2378	]
2222	}	2379	}
2223		2380
2224	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
2225		2412
2226	=back	2413	=back
2227		2414
2228	=head3 cf::object	2415	=head3 cf::object
2229		2416
…		…
2233		2420
2234	=over 4	2421	=over 4
2235		2422
2236	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2237		2424
2238	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
2239		2427
2240	=cut	2428	=cut
2241		2429
2242	sub inv_recursive_;	2430	sub inv_recursive_;
2243	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2248	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2249	}	2437	}
2250		2438
2251	=item $ref = $ob->ref	2439	=item $ref = $ob->ref
2252		2440
2253	creates and returns a persistent reference to an objetc that can be stored as a string.	2441	Creates and returns a persistent reference to an object that can be stored as a string.
2254		2442
2255	=item $ob = cf::object::deref ($refstring)	2443	=item $ob = cf::object::deref ($refstring)
2256		2444
2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2258	even if the object actually exists. May block.	2446	even if the object actually exists. May block.
…		…
2260	=cut	2448	=cut
2261		2449
2262	sub deref {	2450	sub deref {
2263	my ($ref) = @_;	2451	my ($ref) = @_;
2264		2452
2265	# temporary compatibility#TODO#remove
2266	$ref =~ s{^<}{player/<};
2267
2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2269	my ($uuid, $name) = ($1, $2);	2454	my ($uuid, $name) = ($1, $2);
2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2271	or return;	2456	or return;
2272	$pl->ob->uuid eq $uuid	2457	$pl->ob->uuid eq $uuid
2273	or return;	2458	or return;
…		…
2293	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
2294	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2295		2480
2296	=cut	2481	=cut
2297		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
		2496
2298	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2299	# with dialog boxes.	2498	# with dialog boxes.
2300	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
2301	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
2302	my ($self, $npc, $msg, $flags) = @_;	2501	my ($self, $npc, $msg, $flags) = @_;
…		…
2313	my $dialog = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2315		2514
2316	} else {	2515	} else {
2317	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2318	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2319	}	2518	}
2320	}	2519	}
2321	}	2520	}
2322		2521
2323	=item $object->send_msg ($channel, $msg, $color, [extra...])	2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2348		2547
2349	=item $player_object->enter_link	2548	=item $player_object->enter_link
2350		2549
2351	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
2352		2551
2353	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
2354	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
2355		2556
2356	Will never block.	2557	Will never block.
2357		2558
2358	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2359		2560
…		…
2411	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2412	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2413		2614
2414	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2415	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2416	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2417		2618
2418	$map->load;	2619	$map->load;
2419	$map->load_neighbours;	2620	$map->load_neighbours;
2420		2621
2421	return unless $self->contr->active;	2622	return unless $self->contr->active;
2422	$self->activate_recursive;
2423		2623
2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2425	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2426	}	2629	}
2427		2630
2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2429		2632
2430	Moves the player to the given map-path and coordinates by first freezing	2633	Moves the player to the given map-path and coordinates by first freezing
2431	her, loading and preparing them map, calling the provided $check callback	2634	her, loading and preparing them map, calling the provided $check callback
2432	that has to return the map if sucecssful, and then unfreezes the player on	2635	that has to return the map if sucecssful, and then unfreezes the player on
2433	the new (success) or old (failed) map position. In either case, $done will	2636	the new (success) or old (failed) map position. In either case, $done will
2434	be called at the end of this process.	2637	be called at the end of this process.
2435		2638
		2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
		2641
2436	=cut	2642	=cut
2437		2643
2438	our $GOTOGEN;	2644	our $GOTOGEN;
2439		2645
2440	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
…		…
2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2445		2651
2446	$self->enter_link;	2652	$self->enter_link;
2447		2653
2448	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
2449	my $map = eval {	2676	my $map = eval {
2450	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2451		2678
2452	if ($map) {	2679	if ($map) {
2453	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2454	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2455	} else {	2682	} else {
2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2457	}	2684	}
2458		2685
2459	$map	2686	$map
2460	};	2687	};
2461		2688
…		…
2497	}	2724	}
2498		2725
2499	sub prepare_random_map {	2726	sub prepare_random_map {
2500	my ($exit) = @_;	2727	my ($exit) = @_;
2501		2728
2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
2503
2504	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2505	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2506	# that depends on the exit object	2731	# that depends on the exit object
2507		2732
2508	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2510	if ($exit->map) {	2735	if ($exit->map) {
2511	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2512	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2513	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2514	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2515	}	2742	}
2516		2743
2517	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2518		2745
2519	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2520	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2521	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2522		2749
2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2524	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2525	undef $fh;	2752	undef $fh;
2526	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2527		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2528	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2529	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2530	}	2761	}
2531	}	2762	}
2532		2763
2533	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2534	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2535		2766
2536	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2537		2768
2538	if ($exit->slaying eq "/!") {
2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
2540	# the problem is that $exit might not survive long enough
2541	# so it needs to be done right now, right here
2542	cf::sync_job { prepare_random_map $exit };
2543	}
2544
2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2546	my $hp = $exit->stats->hp;
2547	my $sp = $exit->stats->sp;
2548
2549	$self->enter_link;	2769	$self->enter_link;
2550		2770
2551	# if exit is damned, update players death & WoR home-position
2552	$self->contr->savebed ($slaying, $hp, $sp)
2553	if $exit->flag (FLAG_DAMNED);
2554
2555	(async {	2771	(async {
2556	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2557	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2558	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2559		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2560	1;	2795	1
2561	}) {	2796	}) {
2562	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2563	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2564	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2565	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2566		2801
2567	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2584	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2585	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2586		2821
2587	utf8::encode $text;	2822	utf8::encode $text;
2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2824	}
		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
2589	}	2849	}
2590		2850
2591	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2592		2852
2593	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2595	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2596	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2597		2857
2598	=cut	2858	=cut
2599		2859
		2860	# non-persistent channels (usually the info channel)
2600	our %CHANNEL = (	2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
2601	"c/identify" => {	2868	"c/identify" => {
2602	id => "identify",	2869	id => "infobox",
2603	title => "Identify",	2870	title => "Identify",
2604	reply => undef,	2871	reply => undef,
2605	tooltip => "Items recently identified",	2872	tooltip => "Items recently identified",
2606	},	2873	},
2607	"c/examine" => {	2874	"c/examine" => {
2608	id => "examine",	2875	id => "infobox",
2609	title => "Examine",	2876	title => "Examine",
2610	reply => undef,	2877	reply => undef,
2611	tooltip => "Signs and other items you examined",	2878	tooltip => "Signs and other items you examined",
2612	},	2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
2613	);	2972	);
2614		2973
2615	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2616	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2617		2976
2618	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2619		2979
2620	$color &= cf::NDI_CLIENT_MASK; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2621		2981
2622	# check predefined channels, for the benefit of C	2982	# check predefined channels, for the benefit of C
2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
2624		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
2625	if (ref $channel) {	2989	} elsif (ref $channel) {
2626	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2627	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2628	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2629	$self->ext_msg (channel_info => $channel)	2993	$self->ext_msg (channel_info => $channel);
2630	if $self->can_msg;
2631	}	2994	}
2632		2995
2633	$channel = $channel->{id};	2996	$channel = $channel->{id};
2634	}	2997	}
2635		2998
2636	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2637		3000
2638	if ($self->can_msg) {
2639	# default colour, mask it out	3001	# default colour, mask it out
2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2641	if $color & cf::NDI_DEF;	3003	if $color & cf::NDI_DEF;
2642		3004
2643	$self->send_packet ("msg " . $self->{json_coder}->encode (	3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2645	} else {	3008	);
2646	if ($color >= 0) {
2647	# replace some tags by gcfclient-compatible ones
2648	for ($msg) {
2649	1 while
2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2655	}
2656		3009
2657	$color &= cf::NDI_COLOR_MASK;	3010	$self->send_big_packet ($pkt);
2658
2659	utf8::encode $msg;
2660
2661	if (0 && $msg =~ /\[/) {
2662	# COMMAND/INFO
2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
2664	} else {
2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2666	$self->send_packet ("drawinfo $color $msg")
2667	}
2668	}
2669	}
2670	}	3011	}
2671		3012
2672	=item $client->ext_msg ($type, @msg)	3013	=item $client->ext_msg ($type, @msg)
2673		3014
2674	Sends an ext event to the client.	3015	Sends an ext event to the client.
…		…
2677		3018
2678	sub cf::client::ext_msg($$@) {	3019	sub cf::client::ext_msg($$@) {
2679	my ($self, $type, @msg) = @_;	3020	my ($self, $type, @msg) = @_;
2680		3021
2681	if ($self->extcmd == 2) {	3022	if ($self->extcmd == 2) {
2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2683	} elsif ($self->extcmd == 1) { # TODO: remove	3024	} elsif ($self->extcmd == 1) { # TODO: remove
2684	push @msg, msgtype => "event_$type";	3025	push @msg, msgtype => "event_$type";
2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2686	}	3027	}
2687	}	3028	}
2688		3029
2689	=item $client->ext_reply ($msgid, @msg)	3030	=item $client->ext_reply ($msgid, @msg)
2690		3031
…		…
2694		3035
2695	sub cf::client::ext_reply($$@) {	3036	sub cf::client::ext_reply($$@) {
2696	my ($self, $id, @msg) = @_;	3037	my ($self, $id, @msg) = @_;
2697		3038
2698	if ($self->extcmd == 2) {	3039	if ($self->extcmd == 2) {
2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2700	} elsif ($self->extcmd == 1) {	3041	} elsif ($self->extcmd == 1) {
2701	#TODO: version 1, remove	3042	#TODO: version 1, remove
2702	unshift @msg, msgtype => "reply", msgid => $id;	3043	unshift @msg, msgtype => "reply", msgid => $id;
2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2704	}	3045	}
2705	}	3046	}
2706		3047
2707	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2708		3049
…		…
2809		3150
2810	$coro	3151	$coro
2811	}	3152	}
2812		3153
2813	cf::client->attach (	3154	cf::client->attach (
2814	on_destroy => sub {	3155	on_client_destroy => sub {
2815	my ($ns) = @_;	3156	my ($ns) = @_;
2816		3157
2817	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2818	},	3159	},
2819	);	3160	);
…		…
2835	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2836		3177
2837	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2838		3179
2839	$safe->permit_only (Opcode::opset qw(	3180	$safe->permit_only (Opcode::opset qw(
2840	:base_core :base_mem :base_orig :base_math	3181	:base_core :base_mem :base_orig :base_math :base_loop
2841	grepstart grepwhile mapstart mapwhile	3182	grepstart grepwhile mapstart mapwhile
2842	sort time	3183	sort time
2843	));	3184	));
2844		3185
2845	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
…		…
2847	=pod	3188	=pod
2848		3189
2849	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2850		3191
2851	cf::object	3192	cf::object
2852	contr pay_amount pay_player map x y force_find force_add	3193	contr pay_amount pay_player map x y force_find force_add destroy
2853	insert remove name archname title slaying race decrease_ob_nr	3194	insert remove name archname title slaying race decrease split
		3195	value
2854		3196
2855	cf::object::player	3197	cf::object::player
2856	player	3198	player
2857		3199
2858	cf::player	3200	cf::player
…		…
2863		3205
2864	=cut	3206	=cut
2865		3207
2866	for (	3208	for (
2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2868	insert remove inv name archname title slaying race	3210	insert remove inv nrof name archname title slaying race
2869	decrease_ob_nr)],	3211	decrease split destroy change_exp value msg lore send_msg)],
2870	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2871	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2872	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2873	) {	3215	) {
2874	no strict 'refs';	3216	no strict 'refs';
2875	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2876	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2894		3236
2895	my $qcode = $code;	3237	my $qcode = $code;
2896	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2897	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2898		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2899	local $_;	3244	local $_;
2900	local @safe::cf::_safe_eval_args = values %vars;
2901		3245
2902	my $eval =	3246	my $eval =
2903	"do {\n"	3247	"do {\n"
2904	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2905	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2906	. $code	3250	. $code
2907	. "\n}"	3251	. "\n}"
2908	;	3252	;
2909		3253
		3254	if ($CFG{safe_eval}) {
2910	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2911	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2912	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2913		3263
2914	if ($@) {	3264	if ($@) {
2915	warn "$@";	3265	warn "$@";
2916	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2917	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2936	=cut	3286	=cut
2937		3287
2938	sub register_script_function {	3288	sub register_script_function {
2939	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2940		3290
2941	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2942	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2943	}	3293	}
2944		3294
2945	=back	3295	=back
2946		3296
2947	=cut	3297	=cut
…		…
2968		3318
2969	$facedata->{version} == 2	3319	$facedata->{version} == 2
2970	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2971		3321
2972	# patch in the exptable	3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2973	$facedata->{resource}{"res/exp_table"} = {	3324	$facedata->{resource}{"res/exp_table"} = {
2974	type => FT_RSRC,	3325	type => FT_RSRC,
2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
2976	};	3328	};
2977	cf::cede_to_tick;	3329	cf::cede_to_tick;
2978		3330
2979	{	3331	{
2980	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2981		3333
2982	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2984	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
2985	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2988		3341
2989	cf::cede_to_tick;	3342	cf::cede_to_tick;
2990	}	3343	}
2991		3344
2992	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2993	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2994	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2995	or next;	3349	or next;
		3350
2996	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
2997	cf::face::set_smooth $idx, $smooth;	3352	cf::face::set_smooth $idx, $smooth;
2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2999	} else {	3354	} else {
3000	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3014		3369
3015	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
3016	}	3371	}
3017		3372
3018	{	3373	{
3019	# TODO: for gcfclient pleasure, we should give resources
3020	# that gcfclient doesn't grok a >10000 face index.
3021	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
3022		3375
3023	my $soundconf = delete $res->{"res/sound.conf"};
3024
3025	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3027	my $data;
3028		3379
3029	if ($info->{type} & 1) {	3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3030	# prepend meta info	3381	cf::face::set_type $idx, $info->{type};
3031
3032	my $meta = $enc->encode ({
3033	name => $name,
3034	%{ $info->{meta} || {} },
3035	});
3036
3037	$data = pack "(w/a*)*", $meta, $info->{data};
3038	} else {	3382	} else {
3039	$data = $info->{data};	3383	$RESOURCE{$name} = $info;
3040	}	3384	}
3041		3385
3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3043	cf::face::set_type $idx, $info->{type};
3044
3045	cf::cede_to_tick;	3386	cf::cede_to_tick;
3046	}	3387	}
3047
3048	if ($soundconf) {
3049	$soundconf = $enc->decode (delete $soundconf->{data});
3050
3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3052	my $sound = $soundconf->{compat}[$_]
3053	or next;
3054
3055	my $face = cf::face::find "sound/$sound->[1]";
3056	cf::sound::set $sound->[0] => $face;
3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3058	}
3059
3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
3061	my $face = cf::face::find "sound/$v";
3062	cf::sound::set $k => $face;
3063	}
3064	}
3065	}	3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3066		3391
3067	1	3392	1
3068	}	3393	}
		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
3069		3414
3070	register_exticmd fx_want => sub {	3415	register_exticmd fx_want => sub {
3071	my ($ns, $want) = @_;	3416	my ($ns, $want) = @_;
3072		3417
3073	while (my ($k, $v) = each %$want) {	3418	while (my ($k, $v) = each %$want) {
3074	$ns->fx_want ($k, $v);	3419	$ns->fx_want ($k, $v);
3075	}	3420	}
3076	};	3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
3077		3432
3078	sub reload_regions {	3433	sub reload_regions {
3079	# HACK to clear player env face cache, we need some signal framework	3434	# HACK to clear player env face cache, we need some signal framework
3080	# for this (global event?)	3435	# for this (global event?)
3081	%ext::player_env::MUSIC_FACE_CACHE = ();	3436	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3095	}	3450	}
3096		3451
3097	sub reload_archetypes {	3452	sub reload_archetypes {
3098	load_resource_file "$DATADIR/archetypes"	3453	load_resource_file "$DATADIR/archetypes"
3099	or die "unable to load archetypes\n";	3454	or die "unable to load archetypes\n";
3100	#d# NEED to laod twice to resolve forward references
3101	# this really needs to be done in an extra post-pass
3102	# (which needs to be synchronous, so solve it differently)
3103	load_resource_file "$DATADIR/archetypes"
3104	or die "unable to load archetypes\n";
3105	}	3455	}
3106		3456
3107	sub reload_treasures {	3457	sub reload_treasures {
3108	load_resource_file "$DATADIR/treasures"	3458	load_resource_file "$DATADIR/treasures"
3109	or die "unable to load treasurelists\n";	3459	or die "unable to load treasurelists\n";
3110	}	3460	}
3111		3461
3112	sub reload_resources {	3462	sub reload_resources {
3113	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
3114		3464
		3465	reload_facedata;
		3466	reload_archetypes;
3115	reload_regions;	3467	reload_regions;
3116	reload_facedata;
3117	#reload_archetypes;#d#
3118	reload_archetypes;
3119	reload_treasures;	3468	reload_treasures;
3120		3469
3121	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
3122	}	3471	}
3123		3472
3124	sub init {
3125	reload_resources;
3126	}
3127
3128	sub reload_config {	3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
3129	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
3130	or return;	3477	or return;
3131		3478
3132	local $/;	3479	local $/;
3133	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
3134		3481
3135	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3136		3483
3137	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3138	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3142	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3143	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
3144	};	3491	};
3145	warn $@ if $@;	3492	warn $@ if $@;
3146	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
3147	}	3524	}
3148		3525
3149	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
3150	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
3151	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3153	(async {	3544	(async {
3154	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
3155	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
3156	};	3548	};
3157		3549
		3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
3158	reload_config;	3557	reload_config;
3159	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
3160	load_extensions;	3568	load_extensions;
3161		3569
3162	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
3163	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
3164	}	3580	}
3165		3581
3166	#############################################################################	3582	#############################################################################
3167	# initialisation and cleanup	3583	# initialisation and cleanup
3168		3584
3169	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
3170	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
3171	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
3172	Event->signal (	3589	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3173	reentrant => 0,
3174	data => WF_AUTOCANCEL,
3175	signal => $signal,
3176	prio => 0,
3177	cb => sub {
3178	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
3179	},
3180	);	3591	};
3181	}	3592	}
3182	}	3593	}
3183		3594
3184	sub write_runtime {	3595	sub write_runtime_sync {
3185	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = AE::time;
3186		3597
3187	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
3188	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
3189		3600
3190	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3191		3602
3192	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
3193		3604
3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3195	or return;	3606	or return;
3196		3607
3197	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
3198	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
3199	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3209	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3210		3621
3211	close $fh	3622	close $fh
3212	or return;	3623	or return;
3213		3624
3214	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3215	and return;	3626	and return;
3216		3627
3217	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3218		3629
3219	1	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
3220	}	3681	}
3221		3682
3222	sub emergency_save() {	3683	sub emergency_save() {
3223	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3224		3685
3225	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3226		3687
3227	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
3228	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3229	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3230	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3231	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3232	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3233	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3234	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3235	$pl->save;	3702	$pl->save;
3236	}	3703	}
3237	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3238		3705
3239	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3240	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3241	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3242	$map->valid or next;	3709	$map->valid or next;
3243	$map->save;	3710	$map->save;
3244	}	3711	}
3245	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3246		3713
3247	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3248	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3249	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
3250	};	3721	};
3251		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
3252	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3253	}	3729	}
3254		3730
3255	sub post_cleanup {	3731	sub post_cleanup {
3256	my ($make_core) = @_;	3732	my ($make_core) = @_;
3257		3733
3258	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3259	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
3260	}	3765	}
3261		3766
3262	sub do_reload_perl() {	3767	sub do_reload_perl() {
3263	# can/must only be called in main	3768	# can/must only be called in main
3264	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3265	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3266	return;	3771	return;
3267	}	3772	}
3268		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = AE::time;
		3777
		3778	while ($RELOAD) {
3269	warn "reloading...";	3779	warn "reloading...";
3270		3780
3271	warn "entering sync_job";	3781	warn "entering sync_job";
3272		3782
3273	cf::sync_job {	3783	cf::sync_job {
3274	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
3275	cf::emergency_save;	3785	cf::emergency_save;
3276	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
3277		3787
3278	warn "syncing database to disk";	3788	warn "syncing database to disk";
3279	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
3280		3790
3281	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
3282		3792
3283	warn "cancelling all WF_AUTOCANCEL watchers";
3284	for (Event::all_watchers) {
3285	$_->cancel if $_->data & WF_AUTOCANCEL;
3286	}
3287
3288	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
3289	for (;;) {
3290	BDB::flush;
3291	IO::AIO::flush;
3292	Coro::cede;
3293	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
3294	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3295	}
3296
3297	++$RELOAD;
3298
3299	warn "cancelling all extension coros";
3300	$_->cancel for values %EXT_CORO;
3301	%EXT_CORO = ();
3302
3303	warn "removing commands";
3304	%COMMAND = ();
3305
3306	warn "removing ext/exti commands";
3307	%EXTCMD = ();
3308	%EXTICMD = ();
3309
3310	warn "unloading/nuking all extensions";
3311	for my $pkg (@EXTS) {
3312	warn "... unloading $pkg";
3313
3314	if (my $cb = $pkg->can ("unload")) {
3315	eval {
3316	$cb->($pkg);
3317	1
3318	} or warn "$pkg unloaded, but with errors: $@";
3319	}	3796	}
3320		3797
3321	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
3322	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
3323	}	3800	%EXT_CORO = ();
3324		3801
3325	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
3326	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3328		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
3329	warn "... unloading $k";	3811	warn "... unloading $pkg";
3330	delete $INC{$k};
3331		3812
3332	$k =~ s/\.pm$//;
3333	$k =~ s/\//::/g;
3334
3335	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
3336	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
3337	}	3822	}
3338		3823
3339	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
3340	}	3839	}
3341		3840
3342	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
3343	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3345		3844
3346	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3347	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3348	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3349		3848
3350	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3351	# and global variables created in xs	3850	# and global variables created in xs
3352	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3353		3852
3354	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3355		3854
3356	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3357	require cf;	3856	require cf;
3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3359		3858
3360	warn "loading config and database again";	3859	warn "loading config and database again";
3361	cf::reload_config;	3860	cf::reload_config;
3362		3861
3363	warn "loading extensions";	3862	warn "loading extensions";
3364	cf::load_extensions;	3863	cf::load_extensions;
3365		3864
		3865	if ($REATTACH_ON_RELOAD) {
3366	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3367	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3368	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3369	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3370	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3371	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
3372		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
3373	warn "leaving sync_job";	3877	warn "leaving sync_job";
3374		3878
3375	1	3879	1
3376	} or do {	3880	} or do {
3377	warn $@;	3881	warn $@;
3378	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
3379	exit 1;
3380	};	3883	};
3381		3884
3382	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = AE::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3383	};	3891	};
3384		3892
3385	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3386		3894
3387	sub reload_perl() {	3895	sub reload_perl() {
3388	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3389	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3390		3898
3391	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3392	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3393	after => 0,	3901
3394	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3395	cb => sub {
3396	do_reload_perl;	3903	do_reload_perl;
3397	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3398	},	3905	};
3399	);	3906	};
3400	}	3907	}
3401		3908
3402	register_command "reload" => sub {	3909	register_command "reload" => sub {
3403	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3404		3911
3405	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3406	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3407	async { reload_perl };	3916	reload_perl;
		3917	};
3408	}	3918	}
3409	};	3919	};
3410		3920
3411	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3412		3922
…		…
3414		3924
3415	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3416	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3417		3927
3418	sub wait_for_tick {	3928	sub wait_for_tick {
3419	return unless $TICK_WATCHER->is_active;
3420	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3421		3930
3422	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3423	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3424	$signal->wait;	3933	$signal->wait;
3425	}	3934	}
3426		3935
3427	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3428	return unless $TICK_WATCHER->is_active;
3429	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3430		3938
3431	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3432	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3433	$signal->wait;	3941	$signal->wait;
3434	}	3942	}
3435		3943
3436	my $min = 1e6;#d#	3944	sub tick {
3437	my $avg = 10;
3438	$TICK_WATCHER = Event->timer (
3439	reentrant => 0,
3440	parked => 1,
3441	prio => 0,
3442	at => $NEXT_TICK || $TICK,
3443	data => WF_AUTOCANCEL,
3444	cb => sub {
3445	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3447	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3448	return;	3948	return;
3449	}	3949	}
3450		3950
3451	$NOW = $tick_start = Event::time;
3452
3453	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
3454		3952
3455	0 && sync_job {#d#	3953	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3456	for(1..10) {
3457	my $t = Event::time;
3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3459	or die;
3460		3954
3461	$map->width (50);	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3462	$map->height (50);	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3463	$map->alloc;	3957	Coro::async_pool {
3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	3958	$Coro::current->{desc} = "runtime saver";
3465	my $t = Event::time - $t;	3959	write_runtime_sync
3466		3960	or warn "ERROR: unable to write runtime file: $!";
3467	#next unless $t < 0.0013;#d#
3468	if ($t < $min) {
3469	$min = $t;
3470	}
3471	$avg = $avg * 0.99 + $t * 0.01;
3472	}
3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3474	exit 0;
3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3476	};	3961	};
		3962	}
3477		3963
3478	$RUNTIME += $TICK;
3479	$NEXT_TICK += $TICK;
3480
3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
3483	Coro::async_pool {
3484	write_runtime
3485	or warn "ERROR: unable to write runtime file: $!";
3486	};
3487	}
3488
3489	# my $AFTER = Event::time;
3490	# warn $AFTER - $NOW;#d#
3491
3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3493	$sig->send;	3965	$sig->send;
3494	}	3966	}
3495	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3496	$sig->send;	3968	$sig->send;
3497	}	3969	}
3498		3970
3499	$NOW = Event::time;	3971	$LOAD = ($NOW - $TICK_START) / $TICK;
3500
3501	# if we are delayed by four ticks or more, skip them all
3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3503
3504	$TICK_WATCHER->at ($NEXT_TICK);
3505	$TICK_WATCHER->start;
3506
3507	$LOAD = ($NOW - $tick_start) / $TICK;
3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3509		3973
3510	_post_tick;	3974	if (0) {
3511		3975	if ($NEXT_TICK) {
3512		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
3513	},	3980	}
3514	);	3981	}
3515		3982
3516	{	3983	{
3517	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
3518	$BDB_POLL_WATCHER = Event->io (	3985
3519	reentrant => 0,
3520	fd => BDB::poll_fileno,
3521	poll => 'r',
3522	prio => 0,
3523	data => WF_AUTOCANCEL,
3524	cb => \&BDB::poll_cb,
3525	);
3526	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3527		3987	BDB::max_poll_reqs $TICK * 0.1;
3528	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
3529	my $status;
3530	my $current = $Coro::current;
3531	(
3532	sub {
3533	$status = $!;
3534	$current->ready; undef $current;
3535	},
3536	sub {
3537	Coro::schedule while defined $current;
3538	$! = $status;
3539	},
3540	)
3541	};
3542		3989
3543	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3544	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3545		3997
3546	cf::sync_job {	3998	cf::sync_job {
3547	eval {	3999	eval {
3548	BDB::db_env_open	4000	BDB::db_env_open
3549	$DB_ENV,	4001	$DB_ENV,
…		…
3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3553	0666;	4005	0666;
3554		4006
3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3556
3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3558	$DB_ENV->set_lk_detect;
3559	};	4008	};
3560		4009
3561	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3562	};	4011	};
3563	}	4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
3564	}	4023	}
3565		4024
3566	{	4025	{
		4026	# configure IO::AIO
		4027
3567	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3568
3569	undef $Coro::AIO::WATCHER;
3570	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3571	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
3572	reentrant => 0,
3573	data => WF_AUTOCANCEL,
3574	fd => IO::AIO::poll_fileno,
3575	poll => 'r',
3576	prio => 6,
3577	cb => \&IO::AIO::poll_cb,
3578	);
3579	}	4031	}
3580		4032
3581	my $_log_backtrace;	4033	my $_log_backtrace;
3582		4034
3583	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3586	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3587		4039
3588	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3589	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3590	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3591	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3592	my @bt = fork_call {	4047	my @bt = fork_call {
3593	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3596	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3604	}	4059	}
3605		4060
3606	@funcs	4061	@funcs
3607	};	4062	};
3608		4063
3609	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3610	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3611	--$_log_backtrace;	4067	--$_log_backtrace;
3612	};	4068	};
3613	} else {	4069	} else {
3614	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3615	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3616	}	4072	}
3617	}	4073	}
3618		4074
3619	# load additional modules	4075	# load additional modules
3620	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3621		4078
3622	END { cf::emergency_save }	4079	END { cf::emergency_save }
3623		4080
3624	1	4081	1
3625		4082

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