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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.354 by root, Sun Sep 2 12:26:54 2007 UTC vs.
Revision 1.504 by root, Sat Jan 30 23:50:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		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; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # 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 $LOCKS = new Coro::SemaphoreSet;
290		379
291	sub lock_wait($) {	380	sub lock_wait($) {
292	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	382	}
300		383
301	sub lock_acquire($) {	384	sub lock_acquire($) {
302	my ($key) = @_;	385	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	386	}
314		387
315	sub lock_active($) {	388	sub lock_active($) {
316	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	390	}
320		391
321	sub freeze_mainloop {	392	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
323		394
324	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	396	}
326	};	397
327	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
328	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
329	}	411	}
330		412
331	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
332		414
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341		423
342	=cut	424	=cut
343		425
344	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
346		429
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
349	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
350		436
351	while () {	437	while () {
352	next_job:	438	next_job:
		439
353	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	441
355	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	446	$job->[2]->send;
359	Coro::cede;	447	Coro::cede;
360	goto next_job;	448	goto next_job;
361	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	451	}
363	}	452	}
364		453
365	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	457	$signal->wait;
369	} else {	458	} else {
		459	$busy = 0;
370	Coro::schedule;	460	Coro::schedule;
371	}	461	}
372	}	462	}
373	};	463	};
374		464
375	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
376	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
377		469
378	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
379	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
380		473
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
394		487
395	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
396		489
397	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
398		491
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
400	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
401	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
402	acceptable.	495	acceptable.
403		496
404	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
405	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
…		…
410		503
411	sub sync_job(&) {	504	sub sync_job(&) {
412	my ($job) = @_;	505	my ($job) = @_;
413		506
414	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	508	my $time = EV::time;
416		509
417	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
419		512
420	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	514
422	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
423		516
424	my $busy = 1;	517	my $busy = 1;
425	my @res;	518	my @res;
426		519
427	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	522	@res = eval { $job->() };
429	warn $@ if $@;	523	warn $@ if $@;
430	undef $busy;	524	undef $busy;
431	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
432		526
433	while ($busy) {	527	while ($busy) {
434	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
435	}	532	}
		533	}
436		534
437	$time = Event::time - $time;	535	my $time = EV::time - $time;
438		536
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
443		538
444	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
445	} else {	540	} else {
446	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
447		542
…		…
472	=item fork_call { }, $args	567	=item fork_call { }, $args
473		568
474	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
475	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
476	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
477	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
478		573
479	=cut	574	=cut
480		575
481	sub fork_call(&@) {	576	sub fork_call(&@) {
482	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
483		578
484	# we seemingly have to make a local copy of the whole thing,	579	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	580	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	581	# TODO: investigate and fix (likely this will be rather laborious)
487		582
488	my @res = Coro::Util::fork_eval {	583	my @res = Coro::Util::fork_eval {
489	reset_signals;	584	reset_signals;
490	&$cb	585	&$cb
491	}, @args;	586	}, @args;
492		587
493	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
494	}	589	}
495		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
496	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
497		619
498	Returns a single value from the environment database.	620	Returns a single value from the environment database.
499		621
500	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
501		623
502	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
503	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).
504		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
505	=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	}
506		650
507	our $DB;	651	our $DB;
508		652
509	sub db_init {	653	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	654	cf::sync_job {
514	eval {	655	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	656	};
524	}	657	}
525		658
526	sub db_get($$) {	659	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
528		661
…		…
626		759
627	#############################################################################	760	#############################################################################
628		761
629	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
630		763
631	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
632	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")
633	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
634		767
635	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>
636	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
637	Crossfire TRT).	770	Deliantra).
638		771
639	=over 4	772	=over 4
640		773
641	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
642		775
…		…
686	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
687		820
688	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
689	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
690		823
691	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
692	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.
693		826
694	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
695		828
696	=over 4	829	=over 4
…		…
924	}	1057	}
925		1058
926	0	1059	0
927	}	1060	}
928		1061
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1063
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1065
933	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
934		1067
…		…
940		1073
941	=cut	1074	=cut
942		1075
943	#############################################################################	1076	#############################################################################
944	# object support	1077	# object support
945	#
946		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#
947	sub _can_merge {	1112	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
949		1114
950	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1116
954	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
955	}	1119	}
956		1120
957	sub reattach {	1121	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1123	my ($obj) = @_;
960		1124
		1125	# no longer needed after getting rid of delete_package?
961	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
962		1127
963	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
964		1129
965	@$registry = ();	1130	@$registry = ();
966		1131
…		…
981	cf::attachable->attach (	1146	cf::attachable->attach (
982	prio => -1000000,	1147	prio => -1000000,
983	on_instantiate => sub {	1148	on_instantiate => sub {
984	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
985		1150
986	$data = from_json $data;	1151	$data = decode_json $data;
987		1152
988	for (@$data) {	1153	for (@$data) {
989	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
990		1155
991	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1172	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1009		1174
1010	sync_job {	1175	sync_job {
1011	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1014		1180
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	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	}
1019	close $fh;	1188	aio_close $fh;
1020		1189
1021	if (@$objs) {	1190	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1026	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	}
1027	close $fh;	1199	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1201	}
1030	} else {	1202	} else {
1031	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1032	}	1204	}
1033		1205
1034	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1210	} else {
1036	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1037	}	1212	}
1038	} else {	1213	} else {
1039	aio_unlink $filename;	1214	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1041	}	1216	}
1042	}	1217	};
1043	}	1218	}
1044		1219
1045	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1047		1222
…		…
1059	or return;	1234	or return;
1060		1235
1061	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1238	or return;
		1239
1064	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1065	}	1242	}
1066		1243
		1244	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1069	return ($data, $av);	1248	($data, $av)
1070	}	1249	}
1071		1250
1072	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1073		1252
1074	=over 4	1253	=over 4
…		…
1128	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1129		1308
1130	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1131	}	1310	}
1132		1311
		1312	use File::Glob ();
		1313
1133	cf::player->attach (	1314	cf::player->attach (
1134	on_command => sub {	1315	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1136		1317
1137	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1169		1350
1170	cf::override;	1351	cf::override;
1171	},	1352	},
1172	);	1353	);
1173		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
1174	sub load_extensions {	1368	sub load_extensions {
1175	cf::sync_job {	1369	cf::sync_job {
1176	my %todo;	1370	my %todo;
1177		1371
1178	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1391
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1394
1201	$ext{source} =	1395	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1204	. $source	1398	. $source
1205	. "\n};\n1";	1399	. "\n};\n1";
1206		1400
1207	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1417	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1418	: "$v->{base}: extension inactive.\n";
1225		1419
1226	if (exists $v->{meta}{mandatory}) {	1420	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1421	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1422	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1423	}
1231		1424
1232	warn $msg;	1425	warn $msg;
1233	}	1426	}
1234		1427
…		…
1248		1441
1249	=back	1442	=back
1250		1443
1251	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
1252		1445
1253	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
1254		1447
1255	=cut	1448	=cut
1256		1449
1257	package cf::player;	1450	package cf::player;
1258		1451
1259	use Coro::AIO;	1452	use Coro::AIO;
1260		1453
1261	=head3 cf::player	1454	=head3 cf::player
1262		1455
1263	=over 4	1456	=over 4
		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
1264		1471
1265	=item cf::player::find $login	1472	=item cf::player::find $login
1266		1473
1267	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
1268		1475
…		…
1287		1494
1288	sub exists($) {	1495	sub exists($) {
1289	my ($login) = @_;	1496	my ($login) = @_;
1290		1497
1291	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1499	or !aio_stat path $login
1293	}	1500	}
1294		1501
1295	sub find($) {	1502	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1504	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1514	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1515
1309	my $pl = load_pl path $login	1516	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1524	$cf::PLAYER{$login} = $pl
1312	}	1525	}
1313	}	1526	}
1314	}	1527	}
1315		1528
…		…
1323		1536
1324	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
1325		1538
1326	aio_mkdir playerdir $pl, 0770;	1539	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
		1541
		1542	cf::get_slot 0.01;
1328		1543
1329	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1545	cf::cede_to_tick;
1331	}	1546	}
1332		1547
…		…
1364	my ($pl) = @_;	1579	my ($pl) = @_;
1365		1580
1366	my $name = $pl->ob->name;	1581	my $name = $pl->ob->name;
1367		1582
1368	$pl->{deny_save} = 1;	1583	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1585
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1591	$pl->ns->destroy if $pl->ns;
1375		1592
1376	my $path = playerdir $pl;	1593	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1594	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1416		1633
1417	for my $login (@$dirs) {	1634	for my $login (@$dirs) {
1418	my $path = path $login;	1635	my $path = path $login;
1419		1636
1420	# a .pst is a dead give-away for a valid player	1637	# a .pst is a dead give-away for a valid player
1421	unless (-e "$path.pst") {	1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1423	aio_read $fh, 0, 512, my $buf, 0 or next;	1641	aio_read $fh, 0, 512, my $buf, 0 or next;
1424	$buf !~ /^password -------------$/m or next; # official not-valid tag	1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
1425	}	1643	}
1426		1644
…		…
1457	}	1675	}
1458		1676
1459	\@paths	1677	\@paths
1460	}	1678	}
1461		1679
1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1463		1681
1464	Expand crossfire pod fragments into protocol xml.	1682	Expand deliantra pod fragments into protocol xml.
1465
1466	=cut
1467
1468	sub expand_cfpod {
1469	((my $self), (local $_)) = @_;
1470
1471	# escape & and <
1472	s/&/&amp;/g;
1473	s/(?<![BIUGHT])</&lt;/g;
1474
1475	# this is buggy, it needs to properly take care of nested <'s
1476
1477	1 while
1478	# replace B<>, I<>, U<> etc.
1479	s/B<([^\>]*)>/<b>$1<\/b>/
1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1483	# replace G<male|female> tags
1484	|| s{G<([^>|]*)\|([^>]*)>}{
1485	$self->gender ? $2 : $1
1486	}ge
1487	# replace H<hint text>
1488	|| s{H<([^\>]*)>}
1489	{
1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492	"")
1493	[$self->{hintmode}]
1494	}ge;
1495
1496	# create single paragraphs (very hackish)
1497	s/(?<=\S)\n(?=\w)/ /g;
1498
1499	# compress some whitespace
1500	s/\s+\n/\n/g; # ws line-ends
1501	s/\n\n+/\n/g; # double lines
1502	s/^\n+//; # beginning lines
1503	s/\n+$//; # ending lines
1504
1505	$_
1506	}
1507
1508	sub hintmode {
1509	$_[0]{hintmode} = $_[1] if @_ > 1;
1510	$_[0]{hintmode}
1511	}
1512		1683
1513	=item $player->ext_reply ($msgid, @msg)	1684	=item $player->ext_reply ($msgid, @msg)
1514		1685
1515	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1516		1687
…		…
1583	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1584	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1585		1756
1586	sub generate_random_map {	1757	sub generate_random_map {
1587	my ($self, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1761
1588	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1589	$self->_create_random_map (	1763	$self->_create_random_map (
1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1714		1888
1715	# the temporary/swap location	1889	# the temporary/swap location
1716	sub save_path {	1890	sub save_path {
1717	my ($self) = @_;	1891	my ($self) = @_;
1718		1892
1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1720	"$TMPDIR/$path.map"	1894	"$TMPDIR/$path.map"
1721	}	1895	}
1722		1896
1723	# the unique path, undef == no special unique path	1897	# the unique path, undef == no special unique path
1724	sub uniq_path {	1898	sub uniq_path {
1725	my ($self) = @_;	1899	my ($self) = @_;
1726		1900
1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1728	"$UNIQUEDIR/$path"	1902	"$UNIQUEDIR/$path"
1729	}
1730
1731	# and all this just because we cannot iterate over
1732	# all maps in C++...
1733	sub change_all_map_light {
1734	my ($change) = @_;
1735
1736	$_->change_map_light ($change)
1737	for grep $_->outdoor, values %cf::MAP;
1738	}	1903	}
1739		1904
1740	sub decay_objects {	1905	sub decay_objects {
1741	my ($self) = @_;	1906	my ($self) = @_;
1742		1907
…		…
1755		1920
1756	sub load_header_from($) {	1921	sub load_header_from($) {
1757	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1758		1923
1759	utf8::encode $path;	1924	utf8::encode $path;
1760	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1761	# or return;
1762
1763	$self->_load_header ($path)
1764	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1765		1933
1766	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1767		1935
1768	1	1936	1
1769	}	1937	}
…		…
1823	sub find {	1991	sub find {
1824	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1825		1993
1826	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1827		1995
		1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1828	cf::lock_wait "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1829		1998
1830	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1831	my $guard = cf::lock_acquire "map_find:$path";
1832	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1833	or return;	2001	or return;
1834		2002
1835	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1836		2004
…		…
1838	or return;	2006	or return;
1839		2007
1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1842	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1843	$map->reset;	2013	$map->reset;
1844	undef $guard;
1845	return find $path;	2014	return find $path;
1846	}	2015	}
1847		2016
1848	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1849	}	2018	}
1850	}	2019	}
1851		2020
1852	sub pre_load { }	2021	sub pre_load { }
1853	sub post_load { }	2022	#sub post_load { } # XS
1854		2023
1855	sub load {	2024	sub load {
1856	my ($self) = @_;	2025	my ($self) = @_;
1857		2026
1858	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1859		2028
1860	my $path = $self->{path};	2029	my $path = $self->{path};
1861		2030
1862	{	2031	{
1863	my $guard1 = cf::lock_acquire "map_data:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1864	my $guard2 = cf::lock_acquire "map_load:$path";
1865		2033
		2034	return unless $self->valid;
1866	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1867		2036
1868	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1869		2038
1870	$self->alloc;	2039	$self->alloc;
1871		2040
1872	$self->pre_load;	2041	$self->pre_load;
1873	cf::cede_to_tick;	2042	cf::cede_to_tick;
1874		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1875	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1876	or return;	2047	or return;
1877		2048
1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1879	if delete $self->{load_original};	2050	if delete $self->{load_original};
1880		2051
1881	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1882	utf8::encode $uniq;	2053	utf8::encode $uniq;
1883	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1884	$self->clear_unique_items;	2056	$self->clear_unique_items;
1885	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1886	}	2060	}
1887	}	2061	}
		2062
		2063	$f->resolve_delayed_derefs;
1888		2064
1889	cf::cede_to_tick;	2065	cf::cede_to_tick;
1890	# now do the right thing for maps	2066	# now do the right thing for maps
1891	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1892	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
…		…
1896	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1897	$self->decay_objects;	2073	$self->decay_objects;
1898	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1899	$self->update_buttons;	2075	$self->update_buttons;
1900	cf::cede_to_tick;	2076	cf::cede_to_tick;
1901	$self->set_darkness_map;
1902	cf::cede_to_tick;
1903	$self->activate;	2077	$self->activate;
1904	}	2078	}
1905		2079
1906	$self->{last_save} = $cf::RUNTIME;	2080	$self->{last_save} = $cf::RUNTIME;
1907	$self->last_access ($cf::RUNTIME);	2081	$self->last_access ($cf::RUNTIME);
1908		2082
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2084	}
1911		2085
1912	$self->post_load;	2086	$self->post_load;
1913	}	2087	}
1914		2088
…		…
1972	my ($path, $origin, $load) = @_;	2146	my ($path, $origin, $load) = @_;
1973		2147
1974	$path = normalise $path, $origin && $origin->{path};	2148	$path = normalise $path, $origin && $origin->{path};
1975		2149
1976	if (my $map = $cf::MAP{$path}) {	2150	if (my $map = $cf::MAP{$path}) {
1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1978	}	2152	}
1979		2153
1980	$MAP_PREFETCH{$path} |= $load;	2154	$MAP_PREFETCH{$path} |= $load;
1981		2155
1982	$MAP_PREFETCHER ||= cf::async {	2156	$MAP_PREFETCHER ||= cf::async {
		2157	$Coro::current->{desc} = "map prefetcher";
		2158
1983	while (%MAP_PREFETCH) {	2159	while (%MAP_PREFETCH) {
1984	while (my ($k, $v) = each %MAP_PREFETCH) {	2160	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $k) {	2161	if (my $map = find $k) {
1986	$map->load if $v;	2162	$map->load if $v;
1987	}	2163	}
…		…
2013	return if $self->{deny_save};	2189	return if $self->{deny_save};
2014		2190
2015	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
2016		2192
2017	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
2019	};	2196	};
		2197
		2198	cf::get_slot 0.02;
2020		2199
2021	if ($uniq) {	2200	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2203	} else {
…		…
2033	$self->save;	2212	$self->save;
2034		2213
2035	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2215
2037	return if $self->players;	2216	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2218	return if $self->{deny_save};
2040		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2224	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2225	}
2044		2226
2045	sub reset_at {	2227	sub reset_at {
2046	my ($self) = @_;	2228	my ($self) = @_;
2047		2229
…		…
2065		2247
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2249
2068	return if $self->players;	2250	return if $self->players;
2069		2251
2070	warn "resetting map ", $self->path;	2252	warn "resetting map ", $self->path, "\n";
2071		2253
2072	$self->in_memory (cf::MAP_SWAPPED);	2254	$self->in_memory (cf::MAP_SWAPPED);
2073		2255
2074	# need to save uniques path	2256	# need to save uniques path
2075	unless ($self->{deny_save}) {	2257	unless ($self->{deny_save}) {
…		…
2079	if $uniq;	2261	if $uniq;
2080	}	2262	}
2081		2263
2082	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
2083		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2268	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2269
2088	$self->unlink_save;	2270	$self->unlink_save;
2089	$self->destroy;	2271	$self->destroy;
2090	}	2272	}
2091		2273
…		…
2158		2340
2159	sub unique_maps() {	2341	sub unique_maps() {
2160	[	2342	[
2161	map {	2343	map {
2162	utf8::decode $_;	2344	utf8::decode $_;
2163	/\.map$/	2345	s/\.map$//; # TODO future compatibility hack
		2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2347	? ()
2164	? normalise $_	2348	: normalise $_
2165	: ()
2166	} @{ aio_readdir $UNIQUEDIR or [] }	2349	} @{ aio_readdir $UNIQUEDIR or [] }
2167	]	2350	]
2168	}	2351	}
2169		2352
2170	package cf;	2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
		2380	}
		2381
		2382	\@maps
		2383	}
2171		2384
2172	=back	2385	=back
2173		2386
2174	=head3 cf::object	2387	=head3 cf::object
2175		2388
…		…
2179		2392
2180	=over 4	2393	=over 4
2181		2394
2182	=item $ob->inv_recursive	2395	=item $ob->inv_recursive
2183		2396
2184	Returns the inventory of the object _and_ their inventories, recursively.	2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
2185		2399
2186	=cut	2400	=cut
2187		2401
2188	sub inv_recursive_;	2402	sub inv_recursive_;
2189	sub inv_recursive_ {	2403	sub inv_recursive_ {
…		…
2192		2406
2193	sub inv_recursive {	2407	sub inv_recursive {
2194	inv_recursive_ inv $_[0]	2408	inv_recursive_ inv $_[0]
2195	}	2409	}
2196		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
		2437	}
		2438
2197	package cf;	2439	package cf;
2198		2440
2199	=back	2441	=back
2200		2442
2201	=head3 cf::object::player	2443	=head3 cf::object::player
…		…
2207	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2208	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
2209	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
2210		2452
2211	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
2212		2468
2213	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
2214	# with dialog boxes.	2470	# with dialog boxes.
2215	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
2216	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
2228	my $dialog = $pl->{npc_dialog};	2484	my $dialog = $pl->{npc_dialog};
2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2230		2486
2231	} else {	2487	} else {
2232	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
2233	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2234	}	2490	}
2235	}	2491	}
2236	}	2492	}
2237		2493
2238	=item $object->send_msg ($channel, $msg, $color, [extra...])	2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2263		2519
2264	=item $player_object->enter_link	2520	=item $player_object->enter_link
2265		2521
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2523
2268	The player should be reasonably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
2270		2528
2271	Will never block.	2529	Will never block.
2272		2530
2273	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
2274		2532
…		…
2326	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
2328		2586
2329	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
2332		2590
2333	$map->load;	2591	$map->load;
2334	$map->load_neighbours;	2592	$map->load_neighbours;
2335		2593
2336	return unless $self->contr->active;	2594	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2595
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
		2600	$self->activate_recursive;
2341	}	2601	}
2342		2602
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2344		2604
2345	Moves the player to the given map-path and coordinates by first freezing	2605	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2606	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2607	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2608	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2609	be called at the end of this process.
2350		2610
		2611	Note that $check will be called with a potentially non-loaded map, so if
		2612	it needs a loaded map it has to call C<< ->load >>.
		2613
2351	=cut	2614	=cut
2352		2615
2353	our $GOTOGEN;	2616	our $GOTOGEN;
2354		2617
2355	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
…		…
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2623
2361	$self->enter_link;	2624	$self->enter_link;
2362		2625
2363	(async {	2626	(async {
		2627	$Coro::current->{desc} = "player::goto $path $x $y";
		2628
		2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
2364	my $map = eval {	2648	my $map = eval {
2365	my $map = cf::map::find $path;	2649	my $map = defined $path ? cf::map::find $path : undef;
2366		2650
2367	if ($map) {	2651	if ($map) {
2368	$map = $map->customise_for ($self);	2652	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2653	$map = $check->($map) if $check && $map;
2370	} else {	2654	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2656	}
2373		2657
2374	$map	2658	$map
2375	};	2659	};
2376		2660
…		…
2412	}	2696	}
2413		2697
2414	sub prepare_random_map {	2698	sub prepare_random_map {
2415	my ($exit) = @_;	2699	my ($exit) = @_;
2416		2700
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2701	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2702	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2703	# that depends on the exit object
2422		2704
2423	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2707	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2708	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
2430	}	2714	}
2431		2715
2432	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
2433		2717
2434	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2720	my $meta = "$RANDOMDIR/$md5.meta";
2437		2721
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2724	undef $fh;
2441	aio_rename "$meta~", $meta;	2725	aio_rename "$meta~", $meta;
2442		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
2445	}	2733	}
2446	}	2734	}
2447		2735
2448	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
2450		2738
2451	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
2452		2740
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2741	$self->enter_link;
2465		2742
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2743	(async {
2471	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
2472	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
		2753	prepare_random_map $exit
		2754	if $exit->slaying eq "/!";
		2755	}
		2756
		2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
		2760
2473	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($map, $x, $y);
2474		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
2475	1;	2767	1
2476	}) {	2768	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2771	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2773
2482	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
…		…
2499	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
2501		2793
2502	utf8::encode $text;	2794	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2796	}
		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
2504	}	2821	}
2505		2822
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		2824
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	2825	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2827	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2828	the message unless the client supports the msg packet.
2512		2829
2513	=cut	2830	=cut
2514		2831
		2832	# non-persistent channels (usually the info channel)
2515	our %CHANNEL = (	2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
2516	"c/identify" => {	2840	"c/identify" => {
2517	id => "identify",	2841	id => "infobox",
2518	title => "Identify",	2842	title => "Identify",
2519	reply => undef,	2843	reply => undef,
2520	tooltip => "Items recently identified",	2844	tooltip => "Items recently identified",
2521	},	2845	},
2522	"c/examine" => {	2846	"c/examine" => {
2523	id => "examine",	2847	id => "infobox",
2524	title => "Examine",	2848	title => "Examine",
2525	reply => undef,	2849	reply => undef,
2526	tooltip => "Signs and other items you examined",	2850	tooltip => "Signs and other items you examined",
2527	},	2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
2528	);	2944	);
2529		2945
2530	sub cf::client::send_msg {	2946	sub cf::client::send_msg {
2531	my ($self, $channel, $msg, $color, @extra) = @_;	2947	my ($self, $channel, $msg, $color, @extra) = @_;
2532		2948
2533	$msg = $self->pl->expand_cfpod ($msg);	2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
2534		2951
2535	$color &= cf::NDI_CLIENT_MASK; # just in case...	2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
2536		2953
2537	# check predefined channels, for the benefit of C	2954	# check predefined channels, for the benefit of C
2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
2539		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
2540	if (ref $channel) {	2961	} elsif (ref $channel) {
2541	# send meta info to client, if not yet sent	2962	# send meta info to client, if not yet sent
2542	unless (exists $self->{channel}{$channel->{id}}) {	2963	unless (exists $self->{channel}{$channel->{id}}) {
2543	$self->{channel}{$channel->{id}} = $channel;	2964	$self->{channel}{$channel->{id}} = $channel;
2544	$self->ext_msg (channel_info => $channel)	2965	$self->ext_msg (channel_info => $channel);
2545	if $self->can_msg;
2546	}	2966	}
2547		2967
2548	$channel = $channel->{id};	2968	$channel = $channel->{id};
2549	}	2969	}
2550		2970
2551	return unless @extra || length $msg;	2971	return unless @extra || length $msg;
2552		2972
2553	if ($self->can_msg) {
2554	# default colour, mask it out	2973	# default colour, mask it out
2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2556	if $color & cf::NDI_DEF;	2975	if $color & cf::NDI_DEF;
2557		2976
2558	$self->send_packet ("msg " . $self->{json_coder}->encode (	2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2560	} else {	2980	);
2561	if ($color >= 0) {
2562	# replace some tags by gcfclient-compatible ones
2563	for ($msg) {
2564	1 while
2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2570	}
2571		2981
2572	$color &= cf::NDI_COLOR_MASK;	2982	$self->send_big_packet ($pkt);
2573
2574	utf8::encode $msg;
2575
2576	if (0 && $msg =~ /\[/) {
2577	# COMMAND/INFO
2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}
2585	}	2983	}
2586		2984
2587	=item $client->ext_msg ($type, @msg)	2985	=item $client->ext_msg ($type, @msg)
2588		2986
2589	Sends an ext event to the client.	2987	Sends an ext event to the client.
…		…
2592		2990
2593	sub cf::client::ext_msg($$@) {	2991	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	2992	my ($self, $type, @msg) = @_;
2595		2993
2596	if ($self->extcmd == 2) {	2994	if ($self->extcmd == 2) {
2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2598	} elsif ($self->extcmd == 1) { # TODO: remove	2996	} elsif ($self->extcmd == 1) { # TODO: remove
2599	push @msg, msgtype => "event_$type";	2997	push @msg, msgtype => "event_$type";
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2601	}	2999	}
2602	}	3000	}
2603		3001
2604	=item $client->ext_reply ($msgid, @msg)	3002	=item $client->ext_reply ($msgid, @msg)
2605		3003
…		…
2609		3007
2610	sub cf::client::ext_reply($$@) {	3008	sub cf::client::ext_reply($$@) {
2611	my ($self, $id, @msg) = @_;	3009	my ($self, $id, @msg) = @_;
2612		3010
2613	if ($self->extcmd == 2) {	3011	if ($self->extcmd == 2) {
2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2615	} elsif ($self->extcmd == 1) {	3013	} elsif ($self->extcmd == 1) {
2616	#TODO: version 1, remove	3014	#TODO: version 1, remove
2617	unshift @msg, msgtype => "reply", msgid => $id;	3015	unshift @msg, msgtype => "reply", msgid => $id;
2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2619	}	3017	}
2620	}	3018	}
2621		3019
2622	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
2623		3021
…		…
2750	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
2751		3149
2752	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
2753		3151
2754	$safe->permit_only (Opcode::opset qw(	3152	$safe->permit_only (Opcode::opset qw(
2755	:base_core :base_mem :base_orig :base_math	3153	:base_core :base_mem :base_orig :base_math :base_loop
2756	grepstart grepwhile mapstart mapwhile	3154	grepstart grepwhile mapstart mapwhile
2757	sort time	3155	sort time
2758	));	3156	));
2759		3157
2760	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
…		…
2762	=pod	3160	=pod
2763		3161
2764	The following functions and methods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
2765		3163
2766	cf::object	3164	cf::object
2767	contr pay_amount pay_player map x y force_find force_add	3165	contr pay_amount pay_player map x y force_find force_add destroy
2768	insert remove name archname title slaying race decrease_ob_nr	3166	insert remove name archname title slaying race decrease split
		3167	value
2769		3168
2770	cf::object::player	3169	cf::object::player
2771	player	3170	player
2772		3171
2773	cf::player	3172	cf::player
…		…
2778		3177
2779	=cut	3178	=cut
2780		3179
2781	for (	3180	for (
2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783	insert remove inv name archname title slaying race	3182	insert remove inv nrof name archname title slaying race
2784	decrease_ob_nr)],	3183	decrease split destroy change_exp value msg lore send_msg)],
2785	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
2786	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
2787	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
2788	) {	3187	) {
2789	no strict 'refs';	3188	no strict 'refs';
2790	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
2791	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2809		3208
2810	my $qcode = $code;	3209	my $qcode = $code;
2811	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2812	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
2813		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
2814	local $_;	3216	local $_;
2815	local @safe::cf::_safe_eval_args = values %vars;
2816		3217
2817	my $eval =	3218	my $eval =
2818	"do {\n"	3219	"do {\n"
2819	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2820	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
2821	. $code	3222	. $code
2822	. "\n}"	3223	. "\n}"
2823	;	3224	;
2824		3225
		3226	if ($CFG{safe_eval}) {
2825	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
2826	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2827	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
2828		3235
2829	if ($@) {	3236	if ($@) {
2830	warn "$@";	3237	warn "$@";
2831	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
2832	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2851	=cut	3258	=cut
2852		3259
2853	sub register_script_function {	3260	sub register_script_function {
2854	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
2855		3262
2856	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
2857	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
2858	}	3265	}
2859		3266
2860	=back	3267	=back
2861		3268
2862	=cut	3269	=cut
…		…
2883		3290
2884	$facedata->{version} == 2	3291	$facedata->{version} == 2
2885	or cf::cleanup "$path: version mismatch, cannot proceed.";	3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
2886		3293
2887	# patch in the exptable	3294	# patch in the exptable
		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2888	$facedata->{resource}{"res/exp_table"} = {	3296	$facedata->{resource}{"res/exp_table"} = {
2889	type => FT_RSRC,	3297	type => FT_RSRC,
2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3298	data => $exp_table,
		3299	hash => (Digest::MD5::md5 $exp_table),
2891	};	3300	};
2892	cf::cede_to_tick;	3301	cf::cede_to_tick;
2893		3302
2894	{	3303	{
2895	my $faces = $facedata->{faceinfo};	3304	my $faces = $facedata->{faceinfo};
2896		3305
2897	while (my ($face, $info) = each %$faces) {	3306	while (my ($face, $info) = each %$faces) {
2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3308
2899	cf::face::set_visibility $idx, $info->{visibility};	3309	cf::face::set_visibility $idx, $info->{visibility};
2900	cf::face::set_magicmap $idx, $info->{magicmap};	3310	cf::face::set_magicmap $idx, $info->{magicmap};
2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2903		3313
2904	cf::cede_to_tick;	3314	cf::cede_to_tick;
2905	}	3315	}
2906		3316
2907	while (my ($face, $info) = each %$faces) {	3317	while (my ($face, $info) = each %$faces) {
2908	next unless $info->{smooth};	3318	next unless $info->{smooth};
		3319
2909	my $idx = cf::face::find $face	3320	my $idx = cf::face::find $face
2910	or next;	3321	or next;
		3322
2911	if (my $smooth = cf::face::find $info->{smooth}) {	3323	if (my $smooth = cf::face::find $info->{smooth}) {
2912	cf::face::set_smooth $idx, $smooth;	3324	cf::face::set_smooth $idx, $smooth;
2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914	} else {	3326	} else {
2915	warn "smooth face '$info->{smooth}' not found for face '$face'";	3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2929		3341
2930	cf::anim::invalidate_all; # d'oh	3342	cf::anim::invalidate_all; # d'oh
2931	}	3343	}
2932		3344
2933	{	3345	{
2934	# TODO: for gcfclient pleasure, we should give resources
2935	# that gcfclient doesn't grok a >10000 face index.
2936	my $res = $facedata->{resource};	3346	my $res = $facedata->{resource};
2937		3347
2938	my $soundconf = delete $res->{"res/sound.conf"};
2939
2940	while (my ($name, $info) = each %$res) {	3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942	my $data;
2943		3351
2944	if ($info->{type} & 1) {	3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2945	# prepend meta info	3353	cf::face::set_type $idx, $info->{type};
2946
2947	my $meta = $enc->encode ({
2948	name => $name,
2949	%{ $info->{meta} || {} },
2950	});
2951
2952	$data = pack "(w/a*)*", $meta, $info->{data};
2953	} else {	3354	} else {
2954	$data = $info->{data};	3355	$RESOURCE{$name} = $info;
2955	}	3356	}
2956		3357
2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958	cf::face::set_type $idx, $info->{type};
2959
2960	cf::cede_to_tick;	3358	cf::cede_to_tick;
2961	}	3359	}
2962
2963	if ($soundconf) {
2964	$soundconf = $enc->decode (delete $soundconf->{data});
2965
2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967	my $sound = $soundconf->{compat}[$_]
2968	or next;
2969
2970	my $face = cf::face::find "sound/$sound->[1]";
2971	cf::sound::set $sound->[0] => $face;
2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973	}
2974
2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
2976	my $face = cf::face::find "sound/$v";
2977	cf::sound::set $k => $face;
2978	}
2979	}
2980	}	3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2981		3363
2982	1	3364	1
2983	}	3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
2984		3386
2985	register_exticmd fx_want => sub {	3387	register_exticmd fx_want => sub {
2986	my ($ns, $want) = @_;	3388	my ($ns, $want) = @_;
2987		3389
2988	while (my ($k, $v) = each %$want) {	3390	while (my ($k, $v) = each %$want) {
2989	$ns->fx_want ($k, $v);	3391	$ns->fx_want ($k, $v);
2990	}	3392	}
2991	};	3393	};
		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
2992		3404
2993	sub reload_regions {	3405	sub reload_regions {
2994	# HACK to clear player env face cache, we need some signal framework	3406	# HACK to clear player env face cache, we need some signal framework
2995	# for this (global event?)	3407	# for this (global event?)
2996	%ext::player_env::MUSIC_FACE_CACHE = ();	3408	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3010	}	3422	}
3011		3423
3012	sub reload_archetypes {	3424	sub reload_archetypes {
3013	load_resource_file "$DATADIR/archetypes"	3425	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";	3426	or die "unable to load archetypes\n";
3015	#d# NEED to laod twice to resolve forward references
3016	# this really needs to be done in an extra post-pass
3017	# (which needs to be synchronous, so solve it differently)
3018	load_resource_file "$DATADIR/archetypes"
3019	or die "unable to load archetypes\n";
3020	}	3427	}
3021		3428
3022	sub reload_treasures {	3429	sub reload_treasures {
3023	load_resource_file "$DATADIR/treasures"	3430	load_resource_file "$DATADIR/treasures"
3024	or die "unable to load treasurelists\n";	3431	or die "unable to load treasurelists\n";
3025	}	3432	}
3026		3433
3027	sub reload_resources {	3434	sub reload_resources {
3028	warn "reloading resource files...\n";	3435	warn "reloading resource files...\n";
3029		3436
		3437	reload_facedata;
		3438	reload_archetypes;
3030	reload_regions;	3439	reload_regions;
3031	reload_facedata;
3032	#reload_archetypes;#d#
3033	reload_archetypes;
3034	reload_treasures;	3440	reload_treasures;
3035		3441
3036	warn "finished reloading resource files\n";	3442	warn "finished reloading resource files\n";
3037	}	3443	}
3038		3444
3039	sub init {
3040	reload_resources;
3041	}
3042
3043	sub reload_config {	3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
3044	open my $fh, "<:utf8", "$CONFDIR/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
3045	or return;	3449	or return;
3046		3450
3047	local $/;	3451	local $/;
3048	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
3049		3453
3050	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3051		3455
3052	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3053	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3057	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3058	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
3059	};	3463	};
3060	warn $@ if $@;	3464	warn $@ if $@;
3061	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
3062	}	3496	}
3063		3497
3064	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
3065	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
3066	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068	(async {	3516	(async {
3069	Event::one_event;	3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
3070	})->prio (Coro::PRIO_MAX);	3519	})->prio (Coro::PRIO_MAX);
3071	};	3520	};
3072		3521
		3522	evthread_start IO::AIO::poll_fileno;
		3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
3073	reload_config;	3529	reload_config;
3074	db_init;	3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
3075	load_extensions;	3541	load_extensions;
3076		3542
3077	$TICK_WATCHER->start;	3543	utime time, time, $RUNTIMEFILE;
3078	Event::loop;	3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
3079	}	3553	}
3080		3554
3081	#############################################################################	3555	#############################################################################
3082	# initialisation and cleanup	3556	# initialisation and cleanup
3083		3557
3084	# install some emergency cleanup handlers	3558	# install some emergency cleanup handlers
3085	BEGIN {	3559	BEGIN {
		3560	our %SIGWATCHER = ();
3086	for my $signal (qw(INT HUP TERM)) {	3561	for my $signal (qw(INT HUP TERM)) {
3087	Event->signal (	3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3088	reentrant => 0,
3089	data => WF_AUTOCANCEL,
3090	signal => $signal,
3091	prio => 0,
3092	cb => sub {
3093	cf::cleanup "SIG$signal";	3563	cf::cleanup "SIG$signal";
3094	},
3095	);	3564	};
3096	}	3565	}
3097	}	3566	}
3098		3567
3099	sub write_runtime {	3568	sub write_runtime_sync {
3100	my $runtime = "$LOCALDIR/runtime";
3101
3102	# first touch the runtime file to show we are still running:	3569	# first touch the runtime file to show we are still running:
3103	# the fsync below can take a very very long time.	3570	# the fsync below can take a very very long time.
3104		3571
3105	IO::AIO::aio_utime $runtime, undef, undef;	3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3106		3573
3107	my $guard = cf::lock_acquire "write_runtime";	3574	my $guard = cf::lock_acquire "write_runtime";
3108		3575
3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3110	or return;	3577	or return;
3111		3578
3112	my $value = $cf::RUNTIME + 90 + 10;	3579	my $value = $cf::RUNTIME + 90 + 10;
3113	# 10 is the runtime save interval, for a monotonic clock	3580	# 10 is the runtime save interval, for a monotonic clock
3114	# 60 allows for the watchdog to kill the server.	3581	# 60 allows for the watchdog to kill the server.
…		…
3124	aio_utime $fh, undef, undef;	3591	aio_utime $fh, undef, undef;
3125		3592
3126	close $fh	3593	close $fh
3127	or return;	3594	or return;
3128		3595
3129	aio_rename "$runtime~", $runtime	3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3130	and return;	3597	and return;
3131		3598
3132	warn "runtime file written.\n";	3599	warn "runtime file written.\n";
3133		3600
3134	1	3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
3135	}	3652	}
3136		3653
3137	sub emergency_save() {	3654	sub emergency_save() {
3138	my $freeze_guard = cf::freeze_mainloop;	3655	my $freeze_guard = cf::freeze_mainloop;
3139		3656
3140	warn "enter emergency perl save\n";	3657	warn "emergency_perl_save: enter\n";
3141		3658
3142	cf::sync_job {	3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
3143	# use a peculiar iteration method to avoid tripping on perl	3665	# use a peculiar iteration method to avoid tripping on perl
3144	# refcount bugs in for. also avoids problems with players	3666	# refcount bugs in for. also avoids problems with players
3145	# and maps saved/destroyed asynchronously.	3667	# and maps saved/destroyed asynchronously.
3146	warn "begin emergency player save\n";	3668	warn "emergency_perl_save: begin player save\n";
3147	for my $login (keys %cf::PLAYER) {	3669	for my $login (keys %cf::PLAYER) {
3148	my $pl = $cf::PLAYER{$login} or next;	3670	my $pl = $cf::PLAYER{$login} or next;
3149	$pl->valid or next;	3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150	$pl->save;	3673	$pl->save;
3151	}	3674	}
3152	warn "end emergency player save\n";	3675	warn "emergency_perl_save: end player save\n";
3153		3676
3154	warn "begin emergency map save\n";	3677	warn "emergency_perl_save: begin map save\n";
3155	for my $path (keys %cf::MAP) {	3678	for my $path (keys %cf::MAP) {
3156	my $map = $cf::MAP{$path} or next;	3679	my $map = $cf::MAP{$path} or next;
3157	$map->valid or next;	3680	$map->valid or next;
3158	$map->save;	3681	$map->save;
3159	}	3682	}
3160	warn "end emergency map save\n";	3683	warn "emergency_perl_save: end map save\n";
3161		3684
3162	warn "begin emergency database checkpoint\n";	3685	warn "emergency_perl_save: begin database checkpoint\n";
3163	BDB::db_env_txn_checkpoint $DB_ENV;	3686	BDB::db_env_txn_checkpoint $DB_ENV;
3164	warn "end emergency database checkpoint\n";	3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
3165	};	3692	};
3166		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
3167	warn "leave emergency perl save\n";	3699	warn "emergency_perl_save: leave\n";
3168	}	3700	}
3169		3701
3170	sub post_cleanup {	3702	sub post_cleanup {
3171	my ($make_core) = @_;	3703	my ($make_core) = @_;
3172		3704
3173	warn Carp::longmess "post_cleanup backtrace"	3705	warn Carp::longmess "post_cleanup backtrace"
3174	if $make_core;	3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
3175	}	3736	}
3176		3737
3177	sub do_reload_perl() {	3738	sub do_reload_perl() {
3178	# can/must only be called in main	3739	# can/must only be called in main
3179	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
3180	warn "can only reload from main coroutine";	3741	warn "can only reload from main coroutine";
3181	return;	3742	return;
3182	}	3743	}
3183		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
3184	warn "reloading...";	3750	warn "reloading...";
3185		3751
3186	warn "entering sync_job";	3752	warn "entering sync_job";
3187		3753
3188	cf::sync_job {	3754	cf::sync_job {
3189	cf::write_runtime; # external watchdog should not bark	3755	cf::write_runtime_sync; # external watchdog should not bark
3190	cf::emergency_save;	3756	cf::emergency_save;
3191	cf::write_runtime; # external watchdog should not bark	3757	cf::write_runtime_sync; # external watchdog should not bark
3192		3758
3193	warn "syncing database to disk";	3759	warn "syncing database to disk";
3194	BDB::db_env_txn_checkpoint $DB_ENV;	3760	BDB::db_env_txn_checkpoint $DB_ENV;
3195		3761
3196	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
3197		3763
3198	warn "cancelling all WF_AUTOCANCEL watchers";
3199	for (Event::all_watchers) {
3200	$_->cancel if $_->data & WF_AUTOCANCEL;
3201	}
3202
3203	warn "flushing outstanding aio requests";	3764	warn "flushing outstanding aio requests";
3204	for (;;) {
3205	BDB::flush;
3206	IO::AIO::flush;
3207	Coro::cede;
3208	last unless IO::AIO::nreqs || BDB::nreqs;	3765	while (IO::AIO::nreqs || BDB::nreqs) {
3209	warn "iterate...";	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3210	}
3211
3212	++$RELOAD;
3213
3214	warn "cancelling all extension coros";
3215	$_->cancel for values %EXT_CORO;
3216	%EXT_CORO = ();
3217
3218	warn "removing commands";
3219	%COMMAND = ();
3220
3221	warn "removing ext/exti commands";
3222	%EXTCMD = ();
3223	%EXTICMD = ();
3224
3225	warn "unloading/nuking all extensions";
3226	for my $pkg (@EXTS) {
3227	warn "... unloading $pkg";
3228
3229	if (my $cb = $pkg->can ("unload")) {
3230	eval {
3231	$cb->($pkg);
3232	1
3233	} or warn "$pkg unloaded, but with errors: $@";
3234	}	3767	}
3235		3768
3236	warn "... nuking $pkg";	3769	warn "cancelling all extension coros";
3237	Symbol::delete_package $pkg;	3770	$_->cancel for values %EXT_CORO;
3238	}	3771	%EXT_CORO = ();
3239		3772
3240	warn "unloading all perl modules loaded from $LIBDIR";	3773	warn "removing commands";
3241	while (my ($k, $v) = each %INC) {	3774	%COMMAND = ();
3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3243		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
3244	warn "... unloading $k";	3782	warn "... unloading $pkg";
3245	delete $INC{$k};
3246		3783
3247	$k =~ s/\.pm$//;
3248	$k =~ s/\//::/g;
3249
3250	if (my $cb = $k->can ("unload_module")) {	3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
3251	$cb->();	3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
3252	}	3793	}
3253		3794
3254	Symbol::delete_package $k;	3795	warn "unloading all perl modules loaded from $LIBDIR";
		3796	while (my ($k, $v) = each %INC) {
		3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
3255	}	3810	}
3256		3811
3257	warn "getting rid of safe::, as good as possible";	3812	warn "getting rid of safe::, as good as possible";
3258	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3260		3815
3261	warn "unloading cf.pm \"a bit\"";	3816	warn "unloading cf.pm \"a bit\"";
3262	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
3263	delete $INC{"cf/pod.pm"};	3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3264		3819
3265	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
3266	# and global variables created in xs	3821	# and global variables created in xs
3267	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
3268		3823
3269	warn "unload completed, starting to reload now";	3824	warn "unload completed, starting to reload now";
3270		3825
3271	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
3272	require cf;	3827	require cf;
3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
3274		3829
3275	warn "loading config and database again";	3830	warn "loading config and database again";
3276	cf::reload_config;	3831	cf::reload_config;
3277		3832
3278	warn "loading extensions";	3833	warn "loading extensions";
3279	cf::load_extensions;	3834	cf::load_extensions;
3280		3835
		3836	if ($REATTACH_ON_RELOAD) {
3281	warn "reattaching attachments to objects/players";	3837	warn "reattaching attachments to objects/players";
3282	_global_reattach; # objects, sockets	3838	_global_reattach; # objects, sockets
3283	warn "reattaching attachments to maps";	3839	warn "reattaching attachments to maps";
3284	reattach $_ for values %MAP;	3840	reattach $_ for values %MAP;
3285	warn "reattaching attachments to players";	3841	warn "reattaching attachments to players";
3286	reattach $_ for values %PLAYER;	3842	reattach $_ for values %PLAYER;
		3843	}
3287		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
3288	warn "leaving sync_job";	3848	warn "leaving sync_job";
3289		3849
3290	1	3850	1
3291	} or do {	3851	} or do {
3292	warn $@;	3852	warn $@;
3293	warn "error while reloading, exiting.";	3853	cf::cleanup "error while reloading, exiting.";
3294	exit 1;
3295	};	3854	};
3296		3855
3297	warn "reloaded";	3856	warn "reloaded";
		3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
3298	};	3862	};
3299		3863
3300	our $RELOAD_WATCHER; # used only during reload	3864	our $RELOAD_WATCHER; # used only during reload
3301		3865
3302	sub reload_perl() {	3866	sub reload_perl() {
3303	# doing reload synchronously and two reloads happen back-to-back,	3867	# doing reload synchronously and two reloads happen back-to-back,
3304	# coro crashes during coro_state_free->destroy here.	3868	# coro crashes during coro_state_free->destroy here.
3305		3869
3306	$RELOAD_WATCHER ||= Event->timer (	3870	$RELOAD_WATCHER ||= cf::async {
3307	reentrant => 0,	3871	Coro::AIO::aio_wait cache_extensions;
3308	after => 0,	3872
3309	data => WF_AUTOCANCEL,	3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3310	cb => sub {
3311	do_reload_perl;	3874	do_reload_perl;
3312	undef $RELOAD_WATCHER;	3875	undef $RELOAD_WATCHER;
3313	},	3876	};
3314	);	3877	};
3315	}	3878	}
3316		3879
3317	register_command "reload" => sub {	3880	register_command "reload" => sub {
3318	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
3319		3882
3320	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
3321	$who->message ("reloading server.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
3322	async { reload_perl };	3887	reload_perl;
		3888	};
3323	}	3889	}
3324	};	3890	};
3325		3891
3326	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
3327		3893
…		…
3329		3895
3330	our @WAIT_FOR_TICK;	3896	our @WAIT_FOR_TICK;
3331	our @WAIT_FOR_TICK_BEGIN;	3897	our @WAIT_FOR_TICK_BEGIN;
3332		3898
3333	sub wait_for_tick {	3899	sub wait_for_tick {
3334	return unless $TICK_WATCHER->is_active;
3335	return if $Coro::current == $Coro::main;	3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3336		3901
3337	my $signal = new Coro::Signal;	3902	my $signal = new Coro::Signal;
3338	push @WAIT_FOR_TICK, $signal;	3903	push @WAIT_FOR_TICK, $signal;
3339	$signal->wait;	3904	$signal->wait;
3340	}	3905	}
3341		3906
3342	sub wait_for_tick_begin {	3907	sub wait_for_tick_begin {
3343	return unless $TICK_WATCHER->is_active;
3344	return if $Coro::current == $Coro::main;	3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3345		3909
3346	my $signal = new Coro::Signal;	3910	my $signal = new Coro::Signal;
3347	push @WAIT_FOR_TICK_BEGIN, $signal;	3911	push @WAIT_FOR_TICK_BEGIN, $signal;
3348	$signal->wait;	3912	$signal->wait;
3349	}	3913	}
3350		3914
3351	my $min = 1e6;#d#	3915	sub tick {
3352	my $avg = 10;
3353	$TICK_WATCHER = Event->timer (
3354	reentrant => 0,
3355	parked => 1,
3356	prio => 0,
3357	at => $NEXT_TICK || $TICK,
3358	data => WF_AUTOCANCEL,
3359	cb => sub {
3360	if ($Coro::current != $Coro::main) {	3916	if ($Coro::current != $Coro::main) {
3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362	unless ++$bug_warning > 10;	3918	unless ++$bug_warning > 10;
3363	return;	3919	return;
3364	}	3920	}
3365		3921
3366	$NOW = $tick_start = Event::time;
3367
3368	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
3369		3923
3370	0 && sync_job {#d#	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3371	for(1..10) {
3372	my $t = Event::time;
3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3374	or die;
3375		3925
3376	$map->width (50);	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3377	$map->height (50);	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3378	$map->alloc;	3928	Coro::async_pool {
3379	$map->_load_objects ("/tmp/x.map", 1);	3929	$Coro::current->{desc} = "runtime saver";
3380	my $t = Event::time - $t;	3930	write_runtime_sync
3381		3931	or warn "ERROR: unable to write runtime file: $!";
3382	#next unless $t < 0.0013;#d#
3383	if ($t < $min) {
3384	$min = $t;
3385	}
3386	$avg = $avg * 0.99 + $t * 0.01;
3387	}
3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389	exit 0;
3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391	};	3932	};
		3933	}
3392		3934
3393	$RUNTIME += $TICK;
3394	$NEXT_TICK += $TICK;
3395
3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
3398	Coro::async_pool {
3399	write_runtime
3400	or warn "ERROR: unable to write runtime file: $!";
3401	};
3402	}
3403
3404	# my $AFTER = Event::time;
3405	# warn $AFTER - $NOW;#d#
3406
3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408	$sig->send;	3936	$sig->send;
3409	}	3937	}
3410	while (my $sig = shift @WAIT_FOR_TICK) {	3938	while (my $sig = shift @WAIT_FOR_TICK) {
3411	$sig->send;	3939	$sig->send;
3412	}	3940	}
3413		3941
3414	$NOW = Event::time;	3942	$LOAD = ($NOW - $TICK_START) / $TICK;
3415
3416	# if we are delayed by four ticks or more, skip them all
3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3418
3419	$TICK_WATCHER->at ($NEXT_TICK);
3420	$TICK_WATCHER->start;
3421
3422	$LOAD = ($NOW - $tick_start) / $TICK;
3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424		3944
3425	_post_tick;	3945	if (0) {
3426		3946	if ($NEXT_TICK) {
3427		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
3428	},	3951	}
3429	);	3952	}
3430		3953
3431	{	3954	{
3432	BDB::max_poll_time $TICK * 0.1;	3955	# configure BDB
3433	$BDB_POLL_WATCHER = Event->io (	3956
3434	reentrant => 0,
3435	fd => BDB::poll_fileno,
3436	poll => 'r',
3437	prio => 0,
3438	data => WF_AUTOCANCEL,
3439	cb => \&BDB::poll_cb,
3440	);
3441	BDB::min_parallel 8;	3957	BDB::min_parallel 16;
3442		3958	BDB::max_poll_reqs $TICK * 0.1;
3443	BDB::set_sync_prepare {	3959	$AnyEvent::BDB::WATCHER->priority (1);
3444	my $status;
3445	my $current = $Coro::current;
3446	(
3447	sub {
3448	$status = $!;
3449	$current->ready; undef $current;
3450	},
3451	sub {
3452	Coro::schedule while defined $current;
3453	$! = $status;
3454	},
3455	)
3456	};
3457		3960
3458	unless ($DB_ENV) {	3961	unless ($DB_ENV) {
3459	$DB_ENV = BDB::db_env_create;	3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3460		3968
3461	cf::sync_job {	3969	cf::sync_job {
3462	eval {	3970	eval {
3463	BDB::db_env_open	3971	BDB::db_env_open
3464	$DB_ENV,	3972	$DB_ENV,
…		…
3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468	0666;	3976	0666;
3469		3977
3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473	$DB_ENV->set_lk_detect;
3474	};	3979	};
3475		3980
3476	cf::cleanup "db_env_open(db): $@" if $@;	3981	cf::cleanup "db_env_open(db): $@" if $@;
3477	};	3982	};
3478	}	3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
3479	}	3994	}
3480		3995
3481	{	3996	{
		3997	# configure IO::AIO
		3998
3482	IO::AIO::min_parallel 8;	3999	IO::AIO::min_parallel 8;
3483
3484	undef $Coro::AIO::WATCHER;
3485	IO::AIO::max_poll_time $TICK * 0.1;	4000	IO::AIO::max_poll_time $TICK * 0.1;
3486	$AIO_POLL_WATCHER = Event->io (	4001	undef $AnyEvent::AIO::WATCHER;
3487	reentrant => 0,
3488	data => WF_AUTOCANCEL,
3489	fd => IO::AIO::poll_fileno,
3490	poll => 'r',
3491	prio => 6,
3492	cb => \&IO::AIO::poll_cb,
3493	);
3494	}	4002	}
3495		4003
3496	my $_log_backtrace;	4004	my $_log_backtrace;
3497		4005
3498	sub _log_backtrace {	4006	sub _log_backtrace {
…		…
3501	$msg =~ s/\n//;	4009	$msg =~ s/\n//;
3502		4010
3503	# limit the # of concurrent backtraces	4011	# limit the # of concurrent backtraces
3504	if ($_log_backtrace < 2) {	4012	if ($_log_backtrace < 2) {
3505	++$_log_backtrace;	4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
3506	async {	4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
3507	my @bt = fork_call {	4018	my @bt = fork_call {
3508	@addr = map { sprintf "%x", $_ } @addr;	4019	@addr = map { sprintf "%x", $_ } @addr;
3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511	or die "addr2line: $!";	4022	or die "addr2line: $!";
…		…
3519	}	4030	}
3520		4031
3521	@funcs	4032	@funcs
3522	};	4033	};
3523		4034
3524	LOG llevInfo, "[ABT] $msg\n";	4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3525	LOG llevInfo, "[ABT] $_\n" for @bt;	4037	LOG llevInfo, "[ABT] $_\n" for @bt;
3526	--$_log_backtrace;	4038	--$_log_backtrace;
3527	};	4039	};
3528	} else {	4040	} else {
3529	LOG llevInfo, "[ABT] $msg\n";	4041	LOG llevInfo, "[ABT] $msg\n";
3530	LOG llevInfo, "[ABT] [suppressed]\n";	4042	LOG llevInfo, "[ABT] [suppressed]\n";
3531	}	4043	}
3532	}	4044	}
3533		4045
3534	# load additional modules	4046	# load additional modules
3535	use cf::pod;	4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
3536		4049
3537	END { cf::emergency_save }	4050	END { cf::emergency_save }
3538		4051
3539	1	4052	1
3540		4053

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