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Revision 1.342 by root, Sun Aug 26 15:31:02 2007 UTC vs.
Revision 1.495 by root, Tue Nov 10 04:38:45 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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 1.4 ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;	58	use Digest::MD5;
30	use Fcntl;	59	use Fcntl;
31	use YAML::Syck ();	60	use YAML::XS ();
32	use IO::AIO 2.32 ();	61	use IO::AIO ();
33	use Time::HiRes;	62	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$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		81
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		83
52	our %COMMAND = ();	84	our %COMMAND = ();
53	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	88	our %EXTCMD = ();
57	our %EXTICMD = ();	89	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
60		92
61	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
63		97
64	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
75		113
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	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	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	116	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
86		125
87	our %CFG;	126	our %CFG;
88		127
89	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
91		131
92	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	134	our $LINK_MAP; # the special {link} map, which is always available
95		135
96	# used to convert map paths into valid unix filenames by replacing / by ∕	136	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		138
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
102		148
103	binmode STDOUT;	149	binmode STDOUT;
104	binmode STDERR;	150	binmode STDERR;
105		151
106	# read virtual server time, if available	152	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
111	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
112		160
113	mkdir $_	161	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		163
116	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
117		165
118	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		178
120	#############################################################################	179	#############################################################################
121		180
122	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
123		182
…		…
159		218
160	The raw value load value from the last tick.	219	The raw value load value from the last tick.
161		220
162	=item %cf::CFG	221	=item %cf::CFG
163		222
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	224	from wherever your confdir points to.
166		225
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	226	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		227
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	228	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	229	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.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		231
173	=item @cf::INVOKE_RESULTS	232	=item @cf::INVOKE_RESULTS
174		233
175	This array contains the results of the last C<invoke ()> call. When	234	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	235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	236	that call.
178		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
179	=back	244	=back
180		245
181	=cut	246	=cut
182		247
183	BEGIN {	248	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	249	my $msg = join "", @_;
186		250
187	$msg .= "\n"	251	$msg .= "\n"
188	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
189		253
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		255
192	utf8::encode $msg;
193	LOG llevError, $msg;	256	LOG llevError, $msg;
194	};	257	};
195	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
196		272
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	283	for my $pkg (qw(
208	cf::global cf::attachable	284	cf::global cf::attachable
209	cf::object cf::object::player	285	cf::object cf::object::player
210	cf::client cf::player	286	cf::client cf::player
211	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
212	cf::map cf::party cf::region	289	cf::party cf::region
213	)) {	290	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	292	}
217		293
218	$Event::DIED = sub {	294	$EV::DIED = sub {
219	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
220	};	296	};
221		297
222	#############################################################################	298	#############################################################################
223		299
224	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	323	$d
248	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
249	}	325	}
250		326
251	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
252		328
253	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
254		330
255	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
256		332
257	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
258		334
259	=cut	335	=cut
260		336
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		338
263	sub to_json ($) { $json_coder->encode ($_[0]) }	339	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
265		355
266	=item cf::lock_wait $string	356	=item cf::lock_wait $string
267		357
268	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
269		359
270	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
271		361
272	Wait until the given lock is available and then acquires it and returns	362	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,	363	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	364	for example when the coroutine gets canceled), the lock is automatically
275	returned.	365	returned.
276		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
277	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
279		372
280	=item $locked = cf::lock_active $string	373	=item $locked = cf::lock_active $string
281		374
282	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
283		376
284	=cut	377	=cut
285		378
286	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
287		380
288	sub lock_wait($) {	381	sub lock_wait($) {
289	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	383	}
297		384
298	sub lock_acquire($) {	385	sub lock_acquire($) {
299	my ($key) = @_;	386	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	387	}
311		388
312	sub lock_active($) {	389	sub lock_active($) {
313	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	391	}
317		392
318	sub freeze_mainloop {	393	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
320		395
321	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	397	}
323	};	398
324	$TICK_WATCHER->stop;	399	=item cf::periodic $interval, $cb
325	$guard	400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
326	}	412	}
327		413
328	=item cf::get_slot $time[, $priority[, $name]]	414	=item cf::get_slot $time[, $priority[, $name]]
329		415
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	427	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	428	our $SLOT_QUEUE;
343		429
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
346	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
347		435
348	while () {	436	while () {
349	next_job:	437	next_job:
350	my $avail = cf::till_tick;	438	my $avail = cf::till_tick;
…		…
358	}	446	}
359	}	447	}
360	}	448	}
361		449
362	if (@SLOT_QUEUE) {	450	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	452	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	453	$signal->wait;
366	} else {	454	} else {
367	Coro::schedule;	455	Coro::schedule;
368	}	456	}
369	}	457	}
370	};	458	};
371		459
372	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
373	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
374		464
375	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
377		467
…		…
391		481
392	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
393		483
394	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
395		485
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	489	acceptable.
400		490
401	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		497
408	sub sync_job(&) {	498	sub sync_job(&) {
409	my ($job) = @_;	499	my ($job) = @_;
410		500
411	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	502	my $time = EV::time;
413		503
414	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
416		506
417	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	508
419	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
420		510
421	my $busy = 1;	511	my $busy = 1;
422	my @res;	512	my @res;
423		513
424	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	516	@res = eval { $job->() };
426	warn $@ if $@;	517	warn $@ if $@;
427	undef $busy;	518	undef $busy;
428	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
429		520
430	while ($busy) {	521	while ($busy) {
431	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
432	}	526	}
		527	}
433		528
434	$time = Event::time - $time;	529	my $time = EV::time - $time;
435		530
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
440		532
441	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
442	} else {	534	} else {
443	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
444		536
…		…
469	=item fork_call { }, $args	561	=item fork_call { }, $args
470		562
471	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
475		567
476	=cut	568	=cut
477		569
478	sub fork_call(&@) {	570	sub fork_call(&@) {
479	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
480		572
481	# we seemingly have to make a local copy of the whole thing,	573	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	574	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	575	# TODO: investigate and fix (likely this will be rather laborious)
484		576
485	my @res = Coro::Util::fork_eval {	577	my @res = Coro::Util::fork_eval {
486	reset_signals;	578	reset_signals;
487	&$cb	579	&$cb
488	}, @args;	580	}, @args;
489		581
490	wantarray ? @res : $res[-1]	582	wantarray ? @res : $res[-1]
491	}	583	}
492		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
493	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
494		613
495	Returns a single value from the environment database.	614	Returns a single value from the environment database.
496		615
497	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
498		617
499	Stores the given C<$value> in the family. It can currently store binary	618	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
502	=cut	626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
503		644
504	our $DB;	645	our $DB;
505		646
506	sub db_init {	647	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	648	cf::sync_job {
511	eval {	649	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	650	};
521	}	651	}
522		652
523	sub db_get($$) {	653	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
525		655
…		…
575	if (1) {	705	if (1) {
576	$md5 =	706	$md5 =
577	join "\x00",	707	join "\x00",
578	$processversion,	708	$processversion,
579	map {	709	map {
580	Coro::cede;	710	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	712	} 0.. $#$src;
583		713
584		714
585	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		753
624	#############################################################################	754	#############################################################################
625		755
626	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
627		757
628	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
631		761
632	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	764	Deliantra).
635		765
636	=over 4	766	=over 4
637		767
638	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
639		769
…		…
683	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
684		814
685	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
687		817
688	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
690		820
691	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
692		822
693	=over 4	823	=over 4
…		…
921	}	1051	}
922		1052
923	0	1053	0
924	}	1054	}
925		1055
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1057
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1059
930	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
931		1061
…		…
937		1067
938	=cut	1068	=cut
939		1069
940	#############################################################################	1070	#############################################################################
941	# object support	1071	# object support
942	#
943		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
944	sub _can_merge {	1106	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1107	my ($ob1, $ob2) = @_;
946		1108
947	local $Storable::canonical = 1;	1109	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1110
951	$fob1 eq $fob2	1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
952	}	1113	}
953		1114
954	sub reattach {	1115	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1117	my ($obj) = @_;
957		1118
		1119	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1121
960	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
961		1123
962	@$registry = ();	1124	@$registry = ();
963		1125
…		…
978	cf::attachable->attach (	1140	cf::attachable->attach (
979	prio => -1000000,	1141	prio => -1000000,
980	on_instantiate => sub {	1142	on_instantiate => sub {
981	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
982		1144
983	$data = from_json $data;	1145	$data = decode_json $data;
984		1146
985	for (@$data) {	1147	for (@$data) {
986	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
987		1149
988	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1166	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
1006		1168
1007	sync_job {	1169	sync_job {
1008	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1011		1174
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	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;
		1180	aio_fsync $fh;
		1181	}
1016	close $fh;	1182	aio_close $fh;
1017		1183
1018	if (@$objs) {	1184	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	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;
		1191	aio_fsync $fh;
		1192	}
1024	close $fh;	1193	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1195	}
1027	} else {	1196	} else {
1028	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1029	}	1198	}
1030		1199
1031	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1204	} else {
1033	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
1034	}	1206	}
1035	} else {	1207	} else {
1036	aio_unlink $filename;	1208	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
1038	}	1210	}
1039	}	1211	};
1040	}	1212	}
1041		1213
1042	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
1044		1216
…		…
1056	or return;	1228	or return;
1057		1229
1058	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1232	or return;
		1233
1061	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
1062	}	1236	}
1063		1237
		1238	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1240	$decname, length $data, scalar @{$av || []};
		1241
1066	return ($data, $av);	1242	($data, $av)
1067	}	1243	}
1068		1244
1069	=head2 COMMAND CALLBACKS	1245	=head2 COMMAND CALLBACKS
1070		1246
1071	=over 4	1247	=over 4
…		…
1125	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
1126		1302
1127	$EXTICMD{$name} = $cb;	1303	$EXTICMD{$name} = $cb;
1128	}	1304	}
1129		1305
		1306	use File::Glob ();
		1307
1130	cf::player->attach (	1308	cf::player->attach (
1131	on_command => sub {	1309	on_command => sub {
1132	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
1133		1311
1134	my $cb = $COMMAND{$name}	1312	my $cb = $COMMAND{$name}
…		…
1166		1344
1167	cf::override;	1345	cf::override;
1168	},	1346	},
1169	);	1347	);
1170		1348
		1349	# "readahead" all extensions
		1350	sub cache_extensions {
		1351	my $grp = IO::AIO::aio_group;
		1352
		1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1354	for (grep /\.ext$/, @{$_[0]}) {
		1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1356	}
		1357	};
		1358
		1359	$grp
		1360	}
		1361
1171	sub load_extensions {	1362	sub load_extensions {
1172	cf::sync_job {	1363	cf::sync_job {
1173	my %todo;	1364	my %todo;
1174		1365
1175	for my $path (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
…		…
1194		1385
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1388
1198	$ext{source} =	1389	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1200	. "#line 1 \"$path\"\n{\n"	1391	. "#line 1 \"$path\"\n{\n"
1201	. $source	1392	. $source
1202	. "\n};\n1";	1393	. "\n};\n1";
1203		1394
1204	$todo{$base} = \%ext;	1395	$todo{$base} = \%ext;
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1411	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1412	: "$v->{base}: extension inactive.\n";
1222		1413
1223	if (exists $v->{meta}{mandatory}) {	1414	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1415	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1416	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1417	}
1228		1418
1229	warn $msg;	1419	warn $msg;
1230	}	1420	}
1231		1421
…		…
1245		1435
1246	=back	1436	=back
1247		1437
1248	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1249		1439
1250	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1251		1441
1252	=cut	1442	=cut
1253		1443
1254	package cf::player;	1444	package cf::player;
1255		1445
1256	use Coro::AIO;	1446	use Coro::AIO;
1257		1447
1258	=head3 cf::player	1448	=head3 cf::player
1259		1449
1260	=over 4	1450	=over 4
		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
1261		1465
1262	=item cf::player::find $login	1466	=item cf::player::find $login
1263		1467
1264	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1265		1469
…		…
1284		1488
1285	sub exists($) {	1489	sub exists($) {
1286	my ($login) = @_;	1490	my ($login) = @_;
1287		1491
1288	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1290	}	1494	}
1291		1495
1292	sub find($) {	1496	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1498	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1508	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1509
1306	my $pl = load_pl path $login	1510	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1309	}	1519	}
1310	}	1520	}
1311	}	1521	}
1312		1522
…		…
1321	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1322		1532
1323	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1325		1535
		1536	cf::get_slot 0.01;
		1537
1326	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1327	Coro::cede;	1539	cf::cede_to_tick;
1328	}	1540	}
1329		1541
1330	sub new($) {	1542	sub new($) {
1331	my ($login) = @_;	1543	my ($login) = @_;
1332		1544
…		…
1361	my ($pl) = @_;	1573	my ($pl) = @_;
1362		1574
1363	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1364		1576
1365	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1579
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1369	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1371	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1372		1586
1373	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1410	or return [];	1624	or return [];
1411		1625
1412	my @logins;	1626	my @logins;
1413		1627
1414	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1418		1638
1419	utf8::decode $login;	1639	utf8::decode $login;
1420	push @logins, $login;	1640	push @logins, $login;
1421	}	1641	}
1422		1642
…		…
1449	}	1669	}
1450		1670
1451	\@paths	1671	\@paths
1452	}	1672	}
1453		1673
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1675
1456	Expand crossfire pod fragments into protocol xml.	1676	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1677
1504	=item $player->ext_reply ($msgid, @msg)	1678	=item $player->ext_reply ($msgid, @msg)
1505		1679
1506	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1507		1681
…		…
1574	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1576		1750
1577	sub generate_random_map {	1751	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1755
1579	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1757	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1705		1882
1706	# the temporary/swap location	1883	# the temporary/swap location
1707	sub save_path {	1884	sub save_path {
1708	my ($self) = @_;	1885	my ($self) = @_;
1709		1886
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1888	"$TMPDIR/$path.map"
1712	}	1889	}
1713		1890
1714	# the unique path, undef == no special unique path	1891	# the unique path, undef == no special unique path
1715	sub uniq_path {	1892	sub uniq_path {
1716	my ($self) = @_;	1893	my ($self) = @_;
1717		1894
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	1897	}
1730		1898
1731	sub decay_objects {	1899	sub decay_objects {
1732	my ($self) = @_;	1900	my ($self) = @_;
1733		1901
…		…
1746		1914
1747	sub load_header_from($) {	1915	sub load_header_from($) {
1748	my ($self, $path) = @_;	1916	my ($self, $path) = @_;
1749		1917
1750	utf8::encode $path;	1918	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	1920	or return;
		1921
		1922	$self->_load_header ($f)
		1923	or return;
		1924
		1925	local $MAP_LOADING{$self->{path}} = $self;
		1926	$f->resolve_delayed_derefs;
1756		1927
1757	$self->{load_path} = $path;	1928	$self->{load_path} = $path;
1758		1929
1759	1	1930	1
1760	}	1931	}
…		…
1814	sub find {	1985	sub find {
1815	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1816		1987
1817	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1818		1989
		1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1820		1992
1821	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
1824	or return;	1995	or return;
1825		1996
1826	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1827		1998
…		…
1829	or return;	2000	or return;
1830		2001
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1834	$map->reset;	2007	$map->reset;
1835	undef $guard;
1836	return find $path;	2008	return find $path;
1837	}	2009	}
1838		2010
1839	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
1840	}	2012	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2021	local $self->{deny_reset} = 1; # loading can take a long time
1850		2022
1851	my $path = $self->{path};	2023	my $path = $self->{path};
1852		2024
1853	{	2025	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2026	my $guard = cf::lock_acquire "map_data:$path";
1855		2027
		2028	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2030
1858	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1859		2032
1860	$self->alloc;	2033	$self->alloc;
1861		2034
1862	$self->pre_load;	2035	$self->pre_load;
1863	Coro::cede;	2036	cf::cede_to_tick;
1864		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2040	$self->_load_objects ($f)
1866	or return;	2041	or return;
1867		2042
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1869	if delete $self->{load_original};	2044	if delete $self->{load_original};
1870		2045
1871	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2047	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2050	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1876	}	2054	}
1877	}	2055	}
1878		2056
1879	Coro::cede;	2057	$f->resolve_delayed_derefs;
		2058
		2059	cf::cede_to_tick;
1880	# now do the right thing for maps	2060	# now do the right thing for maps
1881	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2063	unless $self->difficulty;
1884	Coro::cede;	2064	cf::cede_to_tick;
1885		2065
1886	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2067	$self->decay_objects;
1888	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
1889	$self->update_buttons;	2069	$self->update_buttons;
1890	Coro::cede;	2070	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2071	$self->activate;
1894	}	2072	}
1895		2073
1896	$self->{last_save} = $cf::RUNTIME;	2074	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2075	$self->last_access ($cf::RUNTIME);
1898		2076
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2078	}
1901		2079
1902	$self->post_load;	2080	$self->post_load;
1903	}	2081	}
1904		2082
…		…
1962	my ($path, $origin, $load) = @_;	2140	my ($path, $origin, $load) = @_;
1963		2141
1964	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1965		2143
1966	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2146	}
1969		2147
1970	$MAP_PREFETCH{$path} |= $load;	2148	$MAP_PREFETCH{$path} |= $load;
1971		2149
1972	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1973	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2155	if (my $map = find $k) {
1976	$map->load if $v;	2156	$map->load if $v;
1977	}	2157	}
…		…
1987	}	2167	}
1988		2168
1989	sub save {	2169	sub save {
1990	my ($self) = @_;	2170	my ($self) = @_;
1991		2171
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2173
1994	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1995		2175
1996	return unless $self->dirty;	2176	return unless $self->dirty;
1997		2177
…		…
2003	return if $self->{deny_save};	2183	return if $self->{deny_save};
2004		2184
2005	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
2006		2186
2007	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
2009	};	2190	};
		2191
		2192	cf::get_slot 0.02;
2010		2193
2011	if ($uniq) {	2194	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2197	} else {
…		…
2020	my ($self) = @_;	2203	my ($self) = @_;
2021		2204
2022	# save first because save cedes	2205	# save first because save cedes
2023	$self->save;	2206	$self->save;
2024		2207
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2209
2027	return if $self->players;	2210	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
2029	return if $self->{deny_save};	2212	return if $self->{deny_save};
2030		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
2031	$self->clear;	2218	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2219	}
2034		2220
2035	sub reset_at {	2221	sub reset_at {
2036	my ($self) = @_;	2222	my ($self) = @_;
2037		2223
…		…
2055		2241
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2243
2058	return if $self->players;	2244	return if $self->players;
2059		2245
2060	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
2061		2247
2062	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2063		2249
2064	# need to save uniques path	2250	# need to save uniques path
2065	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2255	if $uniq;
2070	}	2256	}
2071		2257
2072	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
2073		2259
		2260	$self->deactivate;
		2261	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2262	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2263
2078	$self->unlink_save;	2264	$self->unlink_save;
2079	$self->destroy;	2265	$self->destroy;
2080	}	2266	}
2081		2267
2082	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
2083		2269
2084	sub nuke {	2270	sub nuke {
2085	my ($self) = @_;	2271	my ($self) = @_;
2086		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
2087	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2088		2277
2089	$self->unlink_save;	2278	$self->unlink_save;
2090		2279
2091	bless $self, "cf::map";	2280	bless $self, "cf::map";
2092	delete $self->{deny_reset};	2281	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2285
2097	$cf::MAP{$self->path} = $self;	2286	$cf::MAP{$self->path} = $self;
		2287	}
2098		2288
2099	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
2100	}	2290	}
2101		2291
2102	=item $maps = cf::map::tmp_maps	2292	=item $maps = cf::map::tmp_maps
…		…
2144		2334
2145	sub unique_maps() {	2335	sub unique_maps() {
2146	[	2336	[
2147	map {	2337	map {
2148	utf8::decode $_;	2338	utf8::decode $_;
2149	/\.map$/	2339	s/\.map$//; # TODO future compatibility hack
		2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2341	? ()
2150	? normalise $_	2342	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2344	]
2154	}	2345	}
2155		2346
2156	package cf;	2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
2157		2378
2158	=back	2379	=back
2159		2380
2160	=head3 cf::object	2381	=head3 cf::object
2161		2382
…		…
2165		2386
2166	=over 4	2387	=over 4
2167		2388
2168	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
2169		2390
2170	Returns the inventory of the object _and_ their inventories, recursively.	2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
2171		2393
2172	=cut	2394	=cut
2173		2395
2174	sub inv_recursive_;	2396	sub inv_recursive_;
2175	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
2178		2400
2179	sub inv_recursive {	2401	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
2181	}	2403	}
2182		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
		2431	}
		2432
2183	package cf;	2433	package cf;
2184		2434
2185	=back	2435	=back
2186		2436
2187	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
2196		2446
2197	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
2198		2462
2199	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2464	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2478	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2480
2217	} else {	2481	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2484	}
2221	}	2485	}
2222	}	2486	}
2223		2487
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2513
2250	=item $player_object->enter_link	2514	=item $player_object->enter_link
2251		2515
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2517
2254	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
2256		2522
2257	Will never block.	2523	Will never block.
2258		2524
2259	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
2260		2526
…		…
2312	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
2314		2580
2315	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
2318		2584
2319	$map->load;	2585	$map->load;
2320	$map->load_neighbours;	2586	$map->load_neighbours;
2321		2587
2322	return unless $self->contr->active;	2588	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2589
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
2327	}	2595	}
2328		2596
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2330		2598
2331	Moves the player to the given map-path and coordinates by first freezing	2599	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2601	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2602	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2603	be called at the end of this process.
2336		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
		2607
2337	=cut	2608	=cut
2338		2609
2339	our $GOTOGEN;	2610	our $GOTOGEN;
2340		2611
2341	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
…		…
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2617
2347	$self->enter_link;	2618	$self->enter_link;
2348		2619
2349	(async {	2620	(async {
		2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
2350	my $map = eval {	2642	my $map = eval {
2351	my $map = cf::map::find $path;	2643	my $map = defined $path ? cf::map::find $path : undef;
2352		2644
2353	if ($map) {	2645	if ($map) {
2354	$map = $map->customise_for ($self);	2646	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2647	$map = $check->($map) if $check && $map;
2356	} else {	2648	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2650	}
2359		2651
2360	$map	2652	$map
2361	};	2653	};
2362		2654
…		…
2398	}	2690	}
2399		2691
2400	sub prepare_random_map {	2692	sub prepare_random_map {
2401	my ($exit) = @_;	2693	my ($exit) = @_;
2402		2694
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2697	# that depends on the exit object
2408		2698
2409	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2701	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2416	}	2708	}
2417		2709
2418	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2419		2711
2420	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2714	my $meta = "$RANDOMDIR/$md5.meta";
2423		2715
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2718	undef $fh;
2427	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2428		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2431	}	2727	}
2432	}	2728	}
2433		2729
2434	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2436		2732
2437	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2438		2734
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2735	$self->enter_link;
2451		2736
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2737	(async {
2457	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
2458	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2459	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2460		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2461	1;	2761	1
2462	}) {	2762	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2767
2468	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2485	sub cf::client::send_drawinfo {	2785	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2786	my ($self, $text, $flags) = @_;
2487		2787
2488	utf8::encode $text;	2788	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2790	}
		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
2490	}	2815	}
2491		2816
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		2818
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	2819	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2821	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2822	the message unless the client supports the msg packet.
2498		2823
2499	=cut	2824	=cut
2500		2825
		2826	# non-persistent channels (usually the info channel)
		2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
		2834	"c/identify" => {
		2835	id => "infobox",
		2836	title => "Identify",
		2837	reply => undef,
		2838	tooltip => "Items recently identified",
		2839	},
		2840	"c/examine" => {
		2841	id => "infobox",
		2842	title => "Examine",
		2843	reply => undef,
		2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
		2851	},
		2852	"c/book" => {
		2853	id => "infobox",
		2854	title => "Book",
		2855	reply => undef,
		2856	tooltip => "The contents of a note or book",
		2857	},
		2858	"c/lookat" => {
		2859	id => "infobox",
		2860	title => "Look",
		2861	reply => undef,
		2862	tooltip => "What you saw there",
		2863	},
		2864	"c/who" => {
		2865	id => "infobox",
		2866	title => "Players",
		2867	reply => undef,
		2868	tooltip => "Shows players who are currently online",
		2869	},
		2870	"c/body" => {
		2871	id => "infobox",
		2872	title => "Body Parts",
		2873	reply => undef,
		2874	tooltip => "Shows which body parts you posess and are available",
		2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
		2912	"c/uptime" => {
		2913	id => "infobox",
		2914	title => "Uptime",
		2915	reply => undef,
		2916	tooltip => "How long the server has been running since last restart",
		2917	},
		2918	"c/mapinfo" => {
		2919	id => "infobox",
		2920	title => "Map Info",
		2921	reply => undef,
		2922	tooltip => "Information related to the maps",
		2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
		2938	);
		2939
2501	sub cf::client::send_msg {	2940	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	2941	my ($self, $channel, $msg, $color, @extra) = @_;
2503		2942
2504	$msg = $self->pl->expand_cfpod ($msg);	2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
2505		2945
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		2947
		2948	# check predefined channels, for the benefit of C
		2949	if ($CHANNEL{$channel}) {
		2950	$channel = $CHANNEL{$channel};
		2951
		2952	$self->ext_msg (channel_info => $channel);
		2953	$channel = $channel->{id};
		2954
2508	if (ref $channel) {	2955	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	2956	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	2957	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	2958	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	2959	$self->ext_msg (channel_info => $channel);
2513	}	2960	}
…		…
2515	$channel = $channel->{id};	2962	$channel = $channel->{id};
2516	}	2963	}
2517		2964
2518	return unless @extra || length $msg;	2965	return unless @extra || length $msg;
2519		2966
2520	if ($self->can_msg) {
2521	# default colour, mask it out	2967	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	2969	if $color & cf::NDI_DEF;
2524		2970
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	2974	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		2975
2539	$color &= cf::NDI_COLOR_MASK;	2976	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	2977	}
2553		2978
2554	=item $client->ext_msg ($type, @msg)	2979	=item $client->ext_msg ($type, @msg)
2555		2980
2556	Sends an ext event to the client.	2981	Sends an ext event to the client.
…		…
2558	=cut	2983	=cut
2559		2984
2560	sub cf::client::ext_msg($$@) {	2985	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	2986	my ($self, $type, @msg) = @_;
2562		2987
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	2988	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	2990	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	2991	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	2993	}
2571	}	2994	}
2572		2995
2573	=item $client->ext_reply ($msgid, @msg)	2996	=item $client->ext_reply ($msgid, @msg)
2574		2997
…		…
2578		3001
2579	sub cf::client::ext_reply($$@) {	3002	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3003	my ($self, $id, @msg) = @_;
2581		3004
2582	if ($self->extcmd == 2) {	3005	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	3007	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	3008	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	3009	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3011	}
2589	}	3012	}
2590		3013
2591	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
2592		3015
…		…
2731	=pod	3154	=pod
2732		3155
2733	The following functions and methods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
2734		3157
2735	cf::object	3158	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3159	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race decrease_ob_nr	3160	insert remove name archname title slaying race decrease split
		3161	value
2738		3162
2739	cf::object::player	3163	cf::object::player
2740	player	3164	player
2741		3165
2742	cf::player	3166	cf::player
…		…
2747		3171
2748	=cut	3172	=cut
2749		3173
2750	for (	3174	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race	3176	insert remove inv nrof name archname title slaying race
2753	decrease_ob_nr)],	3177	decrease split destroy change_exp value msg lore send_msg)],
2754	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
2755	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
2756	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
2757	) {	3181	) {
2758	no strict 'refs';	3182	no strict 'refs';
2759	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
2760	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2777	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
2778		3202
2779	my $qcode = $code;	3203	my $qcode = $code;
2780	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2781	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
2782		3208
2783	local $_;	3209	local $_;
2784	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
2785		3211
2786	my $eval =	3212	my $eval =
…		…
2834	# the server's init and main functions	3260	# the server's init and main functions
2835		3261
2836	sub load_facedata($) {	3262	sub load_facedata($) {
2837	my ($path) = @_;	3263	my ($path) = @_;
2838		3264
		3265	# HACK to clear player env face cache, we need some signal framework
		3266	# for this (global event?)
		3267	%ext::player_env::MUSIC_FACE_CACHE = ();
		3268
2839	my $enc = JSON::XS->new->utf8->canonical;	3269	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840		3270
2841	warn "loading facedata from $path\n";	3271	warn "loading facedata from $path\n";
2842		3272
2843	my $facedata;	3273	my $facedata;
2844	0 < aio_load $path, $facedata	3274	0 < aio_load $path, $facedata
…		…
2859	{	3289	{
2860	my $faces = $facedata->{faceinfo};	3290	my $faces = $facedata->{faceinfo};
2861		3291
2862	while (my ($face, $info) = each %$faces) {	3292	while (my ($face, $info) = each %$faces) {
2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3293	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3294
2864	cf::face::set_visibility $idx, $info->{visibility};	3295	cf::face::set_visibility $idx, $info->{visibility};
2865	cf::face::set_magicmap $idx, $info->{magicmap};	3296	cf::face::set_magicmap $idx, $info->{magicmap};
2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3297	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3298	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2868		3299
2869	cf::cede_to_tick;	3300	cf::cede_to_tick;
2870	}	3301	}
2871		3302
2872	while (my ($face, $info) = each %$faces) {	3303	while (my ($face, $info) = each %$faces) {
2873	next unless $info->{smooth};	3304	next unless $info->{smooth};
		3305
2874	my $idx = cf::face::find $face	3306	my $idx = cf::face::find $face
2875	or next;	3307	or next;
		3308
2876	if (my $smooth = cf::face::find $info->{smooth}) {	3309	if (my $smooth = cf::face::find $info->{smooth}) {
2877	cf::face::set_smooth $idx, $smooth;	3310	cf::face::set_smooth $idx, $smooth;
2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3311	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879	} else {	3312	} else {
2880	warn "smooth face '$info->{smooth}' not found for face '$face'";	3313	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2898	{	3331	{
2899	# TODO: for gcfclient pleasure, we should give resources	3332	# TODO: for gcfclient pleasure, we should give resources
2900	# that gcfclient doesn't grok a >10000 face index.	3333	# that gcfclient doesn't grok a >10000 face index.
2901	my $res = $facedata->{resource};	3334	my $res = $facedata->{resource};
2902		3335
2903	my $soundconf = delete $res->{"res/sound.conf"};
2904
2905	while (my ($name, $info) = each %$res) {	3336	while (my ($name, $info) = each %$res) {
		3337	if (defined $info->{type}) {
2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3338	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907	my $data;	3339	my $data;
2908		3340
2909	if ($info->{type} & 1) {	3341	if ($info->{type} & 1) {
2910	# prepend meta info	3342	# prepend meta info
2911		3343
2912	my $meta = $enc->encode ({	3344	my $meta = $enc->encode ({
2913	name => $name,	3345	name => $name,
2914	%{ $info->{meta} || {} },	3346	%{ $info->{meta} || {} },
2915	});	3347	});
2916		3348
2917	$data = pack "(w/a*)*", $meta, $info->{data};	3349	$data = pack "(w/a*)*", $meta, $info->{data};
		3350	} else {
		3351	$data = $info->{data};
		3352	}
		3353
		3354	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3355	cf::face::set_type $idx, $info->{type};
2918	} else {	3356	} else {
2919	$data = $info->{data};	3357	$RESOURCE{$name} = $info;
2920	}	3358	}
2921		3359
2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923	cf::face::set_type $idx, $info->{type};
2924
2925	cf::cede_to_tick;	3360	cf::cede_to_tick;
2926	}	3361	}
2927
2928	if ($soundconf) {
2929	$soundconf = $enc->decode (delete $soundconf->{data});
2930
2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932	my $sound = $soundconf->{compat}[$_]
2933	or next;
2934
2935	my $face = cf::face::find "sound/$sound->[1]";
2936	cf::sound::set $sound->[0] => $face;
2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938	}
2939
2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
2941	my $face = cf::face::find "sound/$v";
2942	cf::sound::set $k => $face;
2943	}
2944	}
2945	}	3362	}
		3363
		3364	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946		3365
2947	1	3366	1
2948	}	3367	}
		3368
		3369	cf::global->attach (on_resource_update => sub {
		3370	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3371	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3372
		3373	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3374	my $sound = $soundconf->{compat}[$_]
		3375	or next;
		3376
		3377	my $face = cf::face::find "sound/$sound->[1]";
		3378	cf::sound::set $sound->[0] => $face;
		3379	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3380	}
		3381
		3382	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3383	my $face = cf::face::find "sound/$v";
		3384	cf::sound::set $k => $face;
		3385	}
		3386	}
		3387	});
2949		3388
2950	register_exticmd fx_want => sub {	3389	register_exticmd fx_want => sub {
2951	my ($ns, $want) = @_;	3390	my ($ns, $want) = @_;
2952		3391
2953	while (my ($k, $v) = each %$want) {	3392	while (my ($k, $v) = each %$want) {
2954	$ns->fx_want ($k, $v);	3393	$ns->fx_want ($k, $v);
2955	}	3394	}
2956	};	3395	};
2957		3396
		3397	sub load_resource_file($) {
		3398	my $guard = lock_acquire "load_resource_file";
		3399
		3400	my $status = load_resource_file_ $_[0];
		3401	get_slot 0.1, 100;
		3402	cf::arch::commit_load;
		3403
		3404	$status
		3405	}
		3406
2958	sub reload_regions {	3407	sub reload_regions {
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
2959	load_resource_file "$MAPDIR/regions"	3412	load_resource_file "$MAPDIR/regions"
2960	or die "unable to load regions file\n";	3413	or die "unable to load regions file\n";
2961		3414
2962	for (cf::region::list) {	3415	for (cf::region::list) {
2963	$_->{match} = qr/$_->{match}/	3416	$_->{match} = qr/$_->{match}/
…		…
2971	}	3424	}
2972		3425
2973	sub reload_archetypes {	3426	sub reload_archetypes {
2974	load_resource_file "$DATADIR/archetypes"	3427	load_resource_file "$DATADIR/archetypes"
2975	or die "unable to load archetypes\n";	3428	or die "unable to load archetypes\n";
2976	#d# NEED to laod twice to resolve forward references
2977	# this really needs to be done in an extra post-pass
2978	# (which needs to be synchronous, so solve it differently)
2979	load_resource_file "$DATADIR/archetypes"
2980	or die "unable to load archetypes\n";
2981	}	3429	}
2982		3430
2983	sub reload_treasures {	3431	sub reload_treasures {
2984	load_resource_file "$DATADIR/treasures"	3432	load_resource_file "$DATADIR/treasures"
2985	or die "unable to load treasurelists\n";	3433	or die "unable to load treasurelists\n";
2986	}	3434	}
2987		3435
2988	sub reload_resources {	3436	sub reload_resources {
2989	warn "reloading resource files...\n";	3437	warn "reloading resource files...\n";
2990		3438
		3439	reload_facedata;
		3440	reload_archetypes;
2991	reload_regions;	3441	reload_regions;
2992	reload_facedata;
2993	#reload_archetypes;#d#
2994	reload_archetypes;
2995	reload_treasures;	3442	reload_treasures;
2996		3443
2997	warn "finished reloading resource files\n";	3444	warn "finished reloading resource files\n";
2998	}	3445	}
2999		3446
3000	sub init {	3447	sub reload_config {
3001	reload_resources;	3448	warn "reloading config file...\n";
3002	}
3003		3449
3004	sub cfg_load {
3005	open my $fh, "<:utf8", "$CONFDIR/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
3006	or return;	3451	or return;
3007		3452
3008	local $/;	3453	local $/;
3009	*CFG = YAML::Syck::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
3010		3455
3011	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3012		3457
3013	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3014	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3018	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3019	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
3020	};	3465	};
3021	warn $@ if $@;	3466	warn $@ if $@;
3022	}	3467	}
		3468
		3469	warn "finished reloading resource files\n";
		3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
3023	}	3498	}
3024		3499
3025	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
3026	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
3027	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3029	(async {	3518	(async {
3030	Event::one_event;	3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3520	EV::loop EV::LOOP_ONESHOT;
3031	})->prio (Coro::PRIO_MAX);	3521	})->prio (Coro::PRIO_MAX);
3032	};	3522	};
3033		3523
3034	cfg_load;	3524	evthread_start IO::AIO::poll_fileno;
		3525
		3526	cf::sync_job {
		3527	cf::load_settings;
		3528	cf::load_materials;
		3529
		3530	reload_resources;
		3531	reload_config;
3035	db_init;	3532	db_init;
		3533
		3534	cf::init_uuid;
		3535	cf::init_signals;
		3536	cf::init_commands;
		3537	cf::init_skills;
		3538
		3539	cf::init_beforeplay;
		3540
		3541	atomic;
		3542
3036	load_extensions;	3543	load_extensions;
3037		3544
3038	$TICK_WATCHER->start;	3545	utime time, time, $RUNTIMEFILE;
3039	Event::loop;	3546
		3547	# no (long-running) fork's whatsoever before this point(!)
		3548	use POSIX ();
		3549	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3550
		3551	(pop @POST_INIT)->(0) while @POST_INIT;
		3552	};
		3553
		3554	main_loop;
3040	}	3555	}
3041		3556
3042	#############################################################################	3557	#############################################################################
3043	# initialisation and cleanup	3558	# initialisation and cleanup
3044		3559
3045	# install some emergency cleanup handlers	3560	# install some emergency cleanup handlers
3046	BEGIN {	3561	BEGIN {
		3562	our %SIGWATCHER = ();
3047	for my $signal (qw(INT HUP TERM)) {	3563	for my $signal (qw(INT HUP TERM)) {
3048	Event->signal (	3564	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	signal => $signal,
3052	prio => 0,
3053	cb => sub {
3054	cf::cleanup "SIG$signal";	3565	cf::cleanup "SIG$signal";
3055	},
3056	);	3566	};
3057	}	3567	}
3058	}	3568	}
3059		3569
3060	sub write_runtime {	3570	sub write_runtime_sync {
3061	my $runtime = "$LOCALDIR/runtime";
3062
3063	# first touch the runtime file to show we are still running:	3571	# first touch the runtime file to show we are still running:
3064	# the fsync below can take a very very long time.	3572	# the fsync below can take a very very long time.
3065		3573
3066	IO::AIO::aio_utime $runtime, undef, undef;	3574	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3067		3575
3068	my $guard = cf::lock_acquire "write_runtime";	3576	my $guard = cf::lock_acquire "write_runtime";
3069		3577
3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3578	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3071	or return;	3579	or return;
3072		3580
3073	my $value = $cf::RUNTIME + 90 + 10;	3581	my $value = $cf::RUNTIME + 90 + 10;
3074	# 10 is the runtime save interval, for a monotonic clock	3582	# 10 is the runtime save interval, for a monotonic clock
3075	# 60 allows for the watchdog to kill the server.	3583	# 60 allows for the watchdog to kill the server.
…		…
3085	aio_utime $fh, undef, undef;	3593	aio_utime $fh, undef, undef;
3086		3594
3087	close $fh	3595	close $fh
3088	or return;	3596	or return;
3089		3597
3090	aio_rename "$runtime~", $runtime	3598	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3091	and return;	3599	and return;
3092		3600
3093	warn "runtime file written.\n";	3601	warn "runtime file written.\n";
3094		3602
3095	1	3603	1
		3604	}
		3605
		3606	our $uuid_lock;
		3607	our $uuid_skip;
		3608
		3609	sub write_uuid_sync($) {
		3610	$uuid_skip ||= $_[0];
		3611
		3612	return if $uuid_lock;
		3613	local $uuid_lock = 1;
		3614
		3615	my $uuid = "$LOCALDIR/uuid";
		3616
		3617	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3618	or return;
		3619
		3620	my $value = uuid_seq uuid_cur;
		3621
		3622	unless ($value) {
		3623	warn "cowardly refusing to write zero uuid value!\n";
		3624	return;
		3625	}
		3626
		3627	my $value = uuid_str $value + $uuid_skip;
		3628	$uuid_skip = 0;
		3629
		3630	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3631	and return;
		3632
		3633	# always fsync - this file is important
		3634	aio_fsync $fh
		3635	and return;
		3636
		3637	close $fh
		3638	or return;
		3639
		3640	aio_rename "$uuid~", $uuid
		3641	and return;
		3642
		3643	warn "uuid file written ($value).\n";
		3644
		3645	1
		3646
		3647	}
		3648
		3649	sub write_uuid($$) {
		3650	my ($skip, $sync) = @_;
		3651
		3652	$sync ? write_uuid_sync $skip
		3653	: async { write_uuid_sync $skip };
3096	}	3654	}
3097		3655
3098	sub emergency_save() {	3656	sub emergency_save() {
3099	my $freeze_guard = cf::freeze_mainloop;	3657	my $freeze_guard = cf::freeze_mainloop;
3100		3658
3101	warn "enter emergency perl save\n";	3659	warn "emergency_perl_save: enter\n";
3102		3660
3103	cf::sync_job {	3661	cf::sync_job {
		3662	# this is a trade-off: we want to be very quick here, so
		3663	# save all maps without fsync, and later call a global sync
		3664	# (which in turn might be very very slow)
		3665	local $USE_FSYNC = 0;
		3666
3104	# use a peculiar iteration method to avoid tripping on perl	3667	# use a peculiar iteration method to avoid tripping on perl
3105	# refcount bugs in for. also avoids problems with players	3668	# refcount bugs in for. also avoids problems with players
3106	# and maps saved/destroyed asynchronously.	3669	# and maps saved/destroyed asynchronously.
3107	warn "begin emergency player save\n";	3670	warn "emergency_perl_save: begin player save\n";
3108	for my $login (keys %cf::PLAYER) {	3671	for my $login (keys %cf::PLAYER) {
3109	my $pl = $cf::PLAYER{$login} or next;	3672	my $pl = $cf::PLAYER{$login} or next;
3110	$pl->valid or next;	3673	$pl->valid or next;
		3674	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111	$pl->save;	3675	$pl->save;
3112	}	3676	}
3113	warn "end emergency player save\n";	3677	warn "emergency_perl_save: end player save\n";
3114		3678
3115	warn "begin emergency map save\n";	3679	warn "emergency_perl_save: begin map save\n";
3116	for my $path (keys %cf::MAP) {	3680	for my $path (keys %cf::MAP) {
3117	my $map = $cf::MAP{$path} or next;	3681	my $map = $cf::MAP{$path} or next;
3118	$map->valid or next;	3682	$map->valid or next;
3119	$map->save;	3683	$map->save;
3120	}	3684	}
3121	warn "end emergency map save\n";	3685	warn "emergency_perl_save: end map save\n";
3122		3686
3123	warn "begin emergency database checkpoint\n";	3687	warn "emergency_perl_save: begin database checkpoint\n";
3124	BDB::db_env_txn_checkpoint $DB_ENV;	3688	BDB::db_env_txn_checkpoint $DB_ENV;
3125	warn "end emergency database checkpoint\n";	3689	warn "emergency_perl_save: end database checkpoint\n";
		3690
		3691	warn "emergency_perl_save: begin write uuid\n";
		3692	write_uuid_sync 1;
		3693	warn "emergency_perl_save: end write uuid\n";
3126	};	3694	};
3127		3695
		3696	warn "emergency_perl_save: starting sync()\n";
		3697	IO::AIO::aio_sync sub {
		3698	warn "emergency_perl_save: finished sync()\n";
		3699	};
		3700
3128	warn "leave emergency perl save\n";	3701	warn "emergency_perl_save: leave\n";
3129	}	3702	}
3130		3703
3131	sub post_cleanup {	3704	sub post_cleanup {
3132	my ($make_core) = @_;	3705	my ($make_core) = @_;
3133		3706
3134	warn Carp::longmess "post_cleanup backtrace"	3707	warn Carp::longmess "post_cleanup backtrace"
3135	if $make_core;	3708	if $make_core;
		3709
		3710	my $fh = pidfile;
		3711	unlink $PIDFILE if <$fh> == $$;
		3712	}
		3713
		3714	# a safer delete_package, copied from Symbol
		3715	sub clear_package($) {
		3716	my $pkg = shift;
		3717
		3718	# expand to full symbol table name if needed
		3719	unless ($pkg =~ /^main::.*::$/) {
		3720	$pkg = "main$pkg" if $pkg =~ /^::/;
		3721	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3722	$pkg .= '::' unless $pkg =~ /::$/;
		3723	}
		3724
		3725	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3726	my $stem_symtab = *{$stem}{HASH};
		3727
		3728	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3729	or return;
		3730
		3731	# clear all symbols
		3732	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3733	for my $name (keys %$leaf_symtab) {
		3734	_gv_clear *{"$pkg$name"};
		3735	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3736	}
		3737	warn "cleared package $pkg\n";#d#
3136	}	3738	}
3137		3739
3138	sub do_reload_perl() {	3740	sub do_reload_perl() {
3139	# can/must only be called in main	3741	# can/must only be called in main
3140	if ($Coro::current != $Coro::main) {	3742	if ($Coro::current != $Coro::main) {
3141	warn "can only reload from main coroutine";	3743	warn "can only reload from main coroutine";
3142	return;	3744	return;
3143	}	3745	}
3144		3746
		3747	return if $RELOAD++;
		3748
		3749	my $t1 = EV::time;
		3750
		3751	while ($RELOAD) {
3145	warn "reloading...";	3752	warn "reloading...";
3146		3753
3147	warn "entering sync_job";	3754	warn "entering sync_job";
3148		3755
3149	cf::sync_job {	3756	cf::sync_job {
3150	cf::write_runtime; # external watchdog should not bark	3757	cf::write_runtime_sync; # external watchdog should not bark
3151	cf::emergency_save;	3758	cf::emergency_save;
3152	cf::write_runtime; # external watchdog should not bark	3759	cf::write_runtime_sync; # external watchdog should not bark
3153		3760
3154	warn "syncing database to disk";	3761	warn "syncing database to disk";
3155	BDB::db_env_txn_checkpoint $DB_ENV;	3762	BDB::db_env_txn_checkpoint $DB_ENV;
3156		3763
3157	# if anything goes wrong in here, we should simply crash as we already saved	3764	# if anything goes wrong in here, we should simply crash as we already saved
3158		3765
3159	warn "cancelling all WF_AUTOCANCEL watchers";
3160	for (Event::all_watchers) {
3161	$_->cancel if $_->data & WF_AUTOCANCEL;
3162	}
3163
3164	warn "flushing outstanding aio requests";	3766	warn "flushing outstanding aio requests";
3165	for (;;) {
3166	BDB::flush;
3167	IO::AIO::flush;
3168	Coro::cede;
3169	last unless IO::AIO::nreqs || BDB::nreqs;	3767	while (IO::AIO::nreqs || BDB::nreqs) {
3170	warn "iterate...";	3768	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3171	}
3172
3173	++$RELOAD;
3174
3175	warn "cancelling all extension coros";
3176	$_->cancel for values %EXT_CORO;
3177	%EXT_CORO = ();
3178
3179	warn "removing commands";
3180	%COMMAND = ();
3181
3182	warn "removing ext/exti commands";
3183	%EXTCMD = ();
3184	%EXTICMD = ();
3185
3186	warn "unloading/nuking all extensions";
3187	for my $pkg (@EXTS) {
3188	warn "... unloading $pkg";
3189
3190	if (my $cb = $pkg->can ("unload")) {
3191	eval {
3192	$cb->($pkg);
3193	1
3194	} or warn "$pkg unloaded, but with errors: $@";
3195	}	3769	}
3196		3770
3197	warn "... nuking $pkg";	3771	warn "cancelling all extension coros";
3198	Symbol::delete_package $pkg;	3772	$_->cancel for values %EXT_CORO;
3199	}	3773	%EXT_CORO = ();
3200		3774
3201	warn "unloading all perl modules loaded from $LIBDIR";	3775	warn "removing commands";
3202	while (my ($k, $v) = each %INC) {	3776	%COMMAND = ();
3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3204		3777
		3778	warn "removing ext/exti commands";
		3779	%EXTCMD = ();
		3780	%EXTICMD = ();
		3781
		3782	warn "unloading/nuking all extensions";
		3783	for my $pkg (@EXTS) {
3205	warn "... unloading $k";	3784	warn "... unloading $pkg";
3206	delete $INC{$k};
3207		3785
3208	$k =~ s/\.pm$//;
3209	$k =~ s/\//::/g;
3210
3211	if (my $cb = $k->can ("unload_module")) {	3786	if (my $cb = $pkg->can ("unload")) {
		3787	eval {
3212	$cb->();	3788	$cb->($pkg);
		3789	1
		3790	} or warn "$pkg unloaded, but with errors: $@";
		3791	}
		3792
		3793	warn "... clearing $pkg";
		3794	clear_package $pkg;
3213	}	3795	}
3214		3796
3215	Symbol::delete_package $k;	3797	warn "unloading all perl modules loaded from $LIBDIR";
		3798	while (my ($k, $v) = each %INC) {
		3799	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3800
		3801	warn "... unloading $k";
		3802	delete $INC{$k};
		3803
		3804	$k =~ s/\.pm$//;
		3805	$k =~ s/\//::/g;
		3806
		3807	if (my $cb = $k->can ("unload_module")) {
		3808	$cb->();
		3809	}
		3810
		3811	clear_package $k;
3216	}	3812	}
3217		3813
3218	warn "getting rid of safe::, as good as possible";	3814	warn "getting rid of safe::, as good as possible";
3219	Symbol::delete_package "safe::$_"	3815	clear_package "safe::$_"
3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3816	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3221		3817
3222	warn "unloading cf.pm \"a bit\"";	3818	warn "unloading cf.pm \"a bit\"";
3223	delete $INC{"cf.pm"};	3819	delete $INC{"cf.pm"};
3224	delete $INC{"cf/pod.pm"};	3820	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3225		3821
3226	# don't, removes xs symbols, too,	3822	# don't, removes xs symbols, too,
3227	# and global variables created in xs	3823	# and global variables created in xs
3228	#Symbol::delete_package __PACKAGE__;	3824	#clear_package __PACKAGE__;
3229		3825
3230	warn "unload completed, starting to reload now";	3826	warn "unload completed, starting to reload now";
3231		3827
3232	warn "reloading cf.pm";	3828	warn "reloading cf.pm";
3233	require cf;	3829	require cf;
3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3830	cf::_connect_to_perl_1;
3235		3831
3236	warn "loading config and database again";	3832	warn "loading config and database again";
3237	cf::cfg_load;	3833	cf::reload_config;
3238		3834
3239	warn "loading extensions";	3835	warn "loading extensions";
3240	cf::load_extensions;	3836	cf::load_extensions;
3241		3837
		3838	if ($REATTACH_ON_RELOAD) {
3242	warn "reattaching attachments to objects/players";	3839	warn "reattaching attachments to objects/players";
3243	_global_reattach; # objects, sockets	3840	_global_reattach; # objects, sockets
3244	warn "reattaching attachments to maps";	3841	warn "reattaching attachments to maps";
3245	reattach $_ for values %MAP;	3842	reattach $_ for values %MAP;
3246	warn "reattaching attachments to players";	3843	warn "reattaching attachments to players";
3247	reattach $_ for values %PLAYER;	3844	reattach $_ for values %PLAYER;
		3845	}
3248		3846
		3847	warn "running post_init jobs";
		3848	(pop @POST_INIT)->(1) while @POST_INIT;
		3849
3249	warn "leaving sync_job";	3850	warn "leaving sync_job";
3250		3851
3251	1	3852	1
3252	} or do {	3853	} or do {
3253	warn $@;	3854	warn $@;
3254	warn "error while reloading, exiting.";	3855	cf::cleanup "error while reloading, exiting.";
3255	exit 1;
3256	};	3856	};
3257		3857
3258	warn "reloaded";	3858	warn "reloaded";
		3859	--$RELOAD;
		3860	}
		3861
		3862	$t1 = EV::time - $t1;
		3863	warn "reload completed in ${t1}s\n";
3259	};	3864	};
3260		3865
3261	our $RELOAD_WATCHER; # used only during reload	3866	our $RELOAD_WATCHER; # used only during reload
3262		3867
3263	sub reload_perl() {	3868	sub reload_perl() {
3264	# doing reload synchronously and two reloads happen back-to-back,	3869	# doing reload synchronously and two reloads happen back-to-back,
3265	# coro crashes during coro_state_free->destroy here.	3870	# coro crashes during coro_state_free->destroy here.
3266		3871
3267	$RELOAD_WATCHER ||= Event->timer (	3872	$RELOAD_WATCHER ||= cf::async {
3268	reentrant => 0,	3873	Coro::AIO::aio_wait cache_extensions;
3269	after => 0,	3874
3270	data => WF_AUTOCANCEL,	3875	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3271	cb => sub {
3272	do_reload_perl;	3876	do_reload_perl;
3273	undef $RELOAD_WATCHER;	3877	undef $RELOAD_WATCHER;
3274	},	3878	};
3275	);	3879	};
3276	}	3880	}
3277		3881
3278	register_command "reload" => sub {	3882	register_command "reload" => sub {
3279	my ($who, $arg) = @_;	3883	my ($who, $arg) = @_;
3280		3884
3281	if ($who->flag (FLAG_WIZ)) {	3885	if ($who->flag (FLAG_WIZ)) {
3282	$who->message ("reloading server.");	3886	$who->message ("reloading server.");
		3887	async {
		3888	$Coro::current->{desc} = "perl_reload";
3283	async { reload_perl };	3889	reload_perl;
		3890	};
3284	}	3891	}
3285	};	3892	};
3286		3893
3287	unshift @INC, $LIBDIR;	3894	unshift @INC, $LIBDIR;
3288		3895
…		…
3290		3897
3291	our @WAIT_FOR_TICK;	3898	our @WAIT_FOR_TICK;
3292	our @WAIT_FOR_TICK_BEGIN;	3899	our @WAIT_FOR_TICK_BEGIN;
3293		3900
3294	sub wait_for_tick {	3901	sub wait_for_tick {
3295	return unless $TICK_WATCHER->is_active;
3296	return if $Coro::current == $Coro::main;	3902	return if tick_inhibit || $Coro::current == $Coro::main;
3297		3903
3298	my $signal = new Coro::Signal;	3904	my $signal = new Coro::Signal;
3299	push @WAIT_FOR_TICK, $signal;	3905	push @WAIT_FOR_TICK, $signal;
3300	$signal->wait;	3906	$signal->wait;
3301	}	3907	}
3302		3908
3303	sub wait_for_tick_begin {	3909	sub wait_for_tick_begin {
3304	return unless $TICK_WATCHER->is_active;
3305	return if $Coro::current == $Coro::main;	3910	return if tick_inhibit || $Coro::current == $Coro::main;
3306		3911
3307	my $signal = new Coro::Signal;	3912	my $signal = new Coro::Signal;
3308	push @WAIT_FOR_TICK_BEGIN, $signal;	3913	push @WAIT_FOR_TICK_BEGIN, $signal;
3309	$signal->wait;	3914	$signal->wait;
3310	}	3915	}
3311		3916
3312	my $min = 1e6;#d#	3917	sub tick {
3313	my $avg = 10;
3314	$TICK_WATCHER = Event->timer (
3315	reentrant => 0,
3316	parked => 1,
3317	prio => 0,
3318	at => $NEXT_TICK || $TICK,
3319	data => WF_AUTOCANCEL,
3320	cb => sub {
3321	if ($Coro::current != $Coro::main) {	3918	if ($Coro::current != $Coro::main) {
3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3919	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3323	unless ++$bug_warning > 10;	3920	unless ++$bug_warning > 10;
3324	return;	3921	return;
3325	}	3922	}
3326		3923
3327	$NOW = $tick_start = Event::time;
3328
3329	cf::server_tick; # one server iteration	3924	cf::server_tick; # one server iteration
3330		3925
3331	0 && sync_job {#d#	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3332	for(1..10) {	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3333	my $t = Event::time;	3928	Coro::async_pool {
3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3929	$Coro::current->{desc} = "runtime saver";
3335	or die;	3930	write_runtime_sync
3336		3931	or warn "ERROR: unable to write runtime file: $!";
3337	$map->width (50);
3338	$map->height (50);
3339	$map->alloc;
3340	$map->_load_objects ("/tmp/x.map", 1);
3341	my $t = Event::time - $t;
3342
3343	#next unless $t < 0.0013;#d#
3344	if ($t < $min) {
3345	$min = $t;
3346	}
3347	$avg = $avg * 0.99 + $t * 0.01;
3348	}
3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350	exit 0;
3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352	};	3932	};
		3933	}
3353		3934
3354	$RUNTIME += $TICK;
3355	$NEXT_TICK += $TICK;
3356
3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
3359	Coro::async_pool {
3360	write_runtime
3361	or warn "ERROR: unable to write runtime file: $!";
3362	};
3363	}
3364
3365	# my $AFTER = Event::time;
3366	# warn $AFTER - $NOW;#d#
3367
3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369	$sig->send;	3936	$sig->send;
3370	}	3937	}
3371	while (my $sig = shift @WAIT_FOR_TICK) {	3938	while (my $sig = shift @WAIT_FOR_TICK) {
3372	$sig->send;	3939	$sig->send;
3373	}	3940	}
3374		3941
3375	$NOW = Event::time;	3942	$LOAD = ($NOW - $TICK_START) / $TICK;
3376
3377	# if we are delayed by four ticks or more, skip them all
3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380	$TICK_WATCHER->at ($NEXT_TICK);
3381	$TICK_WATCHER->start;
3382
3383	$LOAD = ($NOW - $tick_start) / $TICK;
3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385		3944
3386	_post_tick;	3945	if (0) {
3387		3946	if ($NEXT_TICK) {
3388		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
3389	},	3951	}
3390	);	3952	}
3391		3953
3392	{	3954	{
3393	BDB::max_poll_time $TICK * 0.1;	3955	# configure BDB
3394	$BDB_POLL_WATCHER = Event->io (	3956
3395	reentrant => 0,
3396	fd => BDB::poll_fileno,
3397	poll => 'r',
3398	prio => 0,
3399	data => WF_AUTOCANCEL,
3400	cb => \&BDB::poll_cb,
3401	);
3402	BDB::min_parallel 8;	3957	BDB::min_parallel 8;
3403		3958	BDB::max_poll_reqs $TICK * 0.1;
3404	BDB::set_sync_prepare {	3959	$AnyEvent::BDB::WATCHER->priority (1);
3405	my $status;
3406	my $current = $Coro::current;
3407	(
3408	sub {
3409	$status = $!;
3410	$current->ready; undef $current;
3411	},
3412	sub {
3413	Coro::schedule while defined $current;
3414	$! = $status;
3415	},
3416	)
3417	};
3418		3960
3419	unless ($DB_ENV) {	3961	unless ($DB_ENV) {
3420	$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);
3421		3968
3422	cf::sync_job {	3969	cf::sync_job {
3423	eval {	3970	eval {
3424	BDB::db_env_open	3971	BDB::db_env_open
3425	$DB_ENV,	3972	$DB_ENV,
…		…
3427	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
3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429	0666;	3976	0666;
3430		3977
3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434	$DB_ENV->set_lk_detect;
3435	};	3979	};
3436		3980
3437	cf::cleanup "db_env_open(db): $@" if $@;	3981	cf::cleanup "db_env_open(db): $@" if $@;
3438	};	3982	};
3439	}	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	};
3440	}	3994	}
3441		3995
3442	{	3996	{
		3997	# configure IO::AIO
		3998
3443	IO::AIO::min_parallel 8;	3999	IO::AIO::min_parallel 8;
3444
3445	undef $Coro::AIO::WATCHER;
3446	IO::AIO::max_poll_time $TICK * 0.1;	4000	IO::AIO::max_poll_time $TICK * 0.1;
3447	$AIO_POLL_WATCHER = Event->io (	4001	undef $AnyEvent::AIO::WATCHER;
3448	reentrant => 0,
3449	data => WF_AUTOCANCEL,
3450	fd => IO::AIO::poll_fileno,
3451	poll => 'r',
3452	prio => 6,
3453	cb => \&IO::AIO::poll_cb,
3454	);
3455	}	4002	}
3456		4003
3457	my $_log_backtrace;	4004	my $_log_backtrace;
3458		4005
3459	sub _log_backtrace {	4006	sub _log_backtrace {
…		…
3462	$msg =~ s/\n//;	4009	$msg =~ s/\n//;
3463		4010
3464	# limit the # of concurrent backtraces	4011	# limit the # of concurrent backtraces
3465	if ($_log_backtrace < 2) {	4012	if ($_log_backtrace < 2) {
3466	++$_log_backtrace;	4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
3467	async {	4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
3468	my @bt = fork_call {	4018	my @bt = fork_call {
3469	@addr = map { sprintf "%x", $_ } @addr;	4019	@addr = map { sprintf "%x", $_ } @addr;
3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471	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 |"
3472	or die "addr2line: $!";	4022	or die "addr2line: $!";
…		…
3480	}	4030	}
3481		4031
3482	@funcs	4032	@funcs
3483	};	4033	};
3484		4034
3485	LOG llevInfo, "[ABT] $msg\n";	4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3486	LOG llevInfo, "[ABT] $_\n" for @bt;	4037	LOG llevInfo, "[ABT] $_\n" for @bt;
3487	--$_log_backtrace;	4038	--$_log_backtrace;
3488	};	4039	};
3489	} else {	4040	} else {
3490	LOG llevInfo, "[ABT] $msg\n";	4041	LOG llevInfo, "[ABT] $msg\n";
3491	LOG llevInfo, "[ABT] [suppressed]\n";	4042	LOG llevInfo, "[ABT] [suppressed]\n";
3492	}	4043	}
3493	}	4044	}
3494		4045
3495	# load additional modules	4046	# load additional modules
3496	use cf::pod;	4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
3497		4049
3498	END { cf::emergency_save }	4050	END { cf::emergency_save }
3499		4051
3500	1	4052	1
3501		4053

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