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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.330 by elmex, Fri Aug 10 10:35:07 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		76
42	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
43		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		79
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		81
51	our %COMMAND = ();	82	our %COMMAND = ();
52	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	86	our %EXTCMD = ();
56	our %EXTICMD = ();	87	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
59		90
60	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	92	our @EVENT;
62		93
63	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	95	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
74		109
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	112	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
85		121
86	our %CFG;	122	our %CFG;
87		123
88	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
90		127
91	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
94		131
95	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		134
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
101		144
102	binmode STDOUT;	145	binmode STDOUT;
103	binmode STDERR;	146	binmode STDERR;
104		147
105	# read virtual server time, if available	148	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
110	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
111		156
112	mkdir $_	157	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		159
115	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
158		203
159	The raw value load value from the last tick.	204	The raw value load value from the last tick.
160		205
161	=item %cf::CFG	206	=item %cf::CFG
162		207
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	209	from wherever your confdir points to.
165		210
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		212
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	231	$msg .= "\n"
187	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
188		233
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		235
191	utf8::encode $msg;
192	LOG llevError, $msg;	236	LOG llevError, $msg;
193	};	237	};
194	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
195		254
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	265	for my $pkg (qw(
207	cf::global cf::attachable	266	cf::global cf::attachable
208	cf::object cf::object::player	267	cf::object cf::object::player
209	cf::client cf::player	268	cf::client cf::player
210	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
211	cf::map cf::party cf::region	271	cf::party cf::region
212	)) {	272	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	274	}
216		275
217	$Event::DIED = sub {	276	$EV::DIED = sub {
218	warn "error in event callback: @_";	277	warn "error in event callback: @_";
219	};	278	};
220		279
221	#############################################################################	280	#############################################################################
222		281
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	305	$d
247	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
248	}	307	}
249		308
250	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
251		310
252	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
253		312
254	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
255		314
256	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
257		316
258	=cut	317	=cut
259		318
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		320
262	sub to_json ($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
264		337
265	=item cf::lock_wait $string	338	=item cf::lock_wait $string
266		339
267	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
268		341
269	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
270		343
271	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
274	returned.	347	returned.
275		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
276	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
278		354
279	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
280		356
281	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
282		358
283	=cut	359	=cut
284		360
285	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
286		362
287	sub lock_wait($) {	363	sub lock_wait($) {
288	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	365	}
296		366
297	sub lock_acquire($) {	367	sub lock_acquire($) {
298	my ($key) = @_;	368	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	369	}
310		370
311	sub lock_active($) {	371	sub lock_active($) {
312	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	373	}
316		374
317	sub freeze_mainloop {	375	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
319		377
320	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	379	}
322	};	380
323	$TICK_WATCHER->stop;	381	=item cf::periodic $interval, $cb
324	$guard	382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
325	}	394	}
326		395
327	=item cf::get_slot $time[, $priority[, $name]]	396	=item cf::get_slot $time[, $priority[, $name]]
328		397
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	409	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	410	our $SLOT_QUEUE;
342		411
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
345	my $signal = new Coro::Signal;	416	my $signal = new Coro::Signal;
346		417
347	while () {	418	while () {
348	next_job:	419	next_job:
349	my $avail = cf::till_tick;	420	my $avail = cf::till_tick;
…		…
357	}	428	}
358	}	429	}
359	}	430	}
360		431
361	if (@SLOT_QUEUE) {	432	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	434	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	435	$signal->wait;
365	} else {	436	} else {
366	Coro::schedule;	437	Coro::schedule;
367	}	438	}
368	}	439	}
369	};	440	};
370		441
371	sub get_slot($;$$) {	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
372	my ($time, $pri, $name) = @_;	445	my ($time, $pri, $name) = @_;
373		446
374	$time = $TICK * .6 if $time > $TICK * .6;	447	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	448	my $sig = new Coro::Signal;
376		449
…		…
390		463
391	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
392		465
393	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
394		467
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	468	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	469	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	471	acceptable.
399		472
400	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		479
407	sub sync_job(&) {	480	sub sync_job(&) {
408	my ($job) = @_;	481	my ($job) = @_;
409		482
410	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	484	my $time = EV::time;
412		485
413	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
415		488
416	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	490
418	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
419		492
420	my $busy = 1;	493	my $busy = 1;
421	my @res;	494	my @res;
422		495
423	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	498	@res = eval { $job->() };
425	warn $@ if $@;	499	warn $@ if $@;
426	undef $busy;	500	undef $busy;
427	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
428		502
429	while ($busy) {	503	while ($busy) {
430	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
431	}	508	}
		509	}
432		510
433	$time = Event::time - $time;	511	my $time = EV::time - $time;
434		512
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
439		514
440	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
441	} else {	516	} else {
442	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
443		518
…		…
468	=item fork_call { }, $args	543	=item fork_call { }, $args
469		544
470	Executes the given code block with the given arguments in a seperate	545	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	546	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	547	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	548	never block itself or use any form of event handling.
474		549
475	=cut	550	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		551
486	sub fork_call(&@) {	552	sub fork_call(&@) {
487	my ($cb, @args) = @_;	553	my ($cb, @args) = @_;
488		554
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	555	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	556	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	557	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		558
494	if (my $pid = fork) {	559	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	560	reset_signals;
508	local $SIG{__WARN__};	561	&$cb
509	local $SIG{__DIE__};	562	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		563
516	eval {	564	wantarray ? @res : $res[-1]
517	close $fh1;	565	}
518		566
519	my @res = eval { $cb->(@args) };	567	=item $coin = coin_from_name $name
520		568
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	569	=cut
522	close $fh2;
523	};
524		570
525	warn $@ if $@;	571	our %coin_alias = (
526	_exit 0;	572	"silver" => "silvercoin",
527	}	573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
528	}	592	}
529		593
530	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
531		595
532	Returns a single value from the environment database.	596	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	598	=item cf::db_put $family => $key => $value
535		599
536	Stores the given C<$value> in the family. It can currently store binary	600	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
539	=cut	608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
540		626
541	our $DB;	627	our $DB;
542		628
543	sub db_init {	629	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	630	cf::sync_job {
548	eval {	631	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	632	};
558	}	633	}
559		634
560	sub db_get($$) {	635	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	636	my $key = "$_[0]/$_[1]";
562		637
…		…
612	if (1) {	687	if (1) {
613	$md5 =	688	$md5 =
614	join "\x00",	689	join "\x00",
615	$processversion,	690	$processversion,
616	map {	691	map {
617	Coro::cede;	692	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	693	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	694	} 0.. $#$src;
620		695
621		696
622	my $dbmd5 = db_get cache => "$id/md5";	697	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		735
661	#############################################################################	736	#############################################################################
662		737
663	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
664		739
665	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
668		743
669	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	746	Deliantra).
672		747
673	=over 4	748	=over 4
674		749
675	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
676		751
…		…
720	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
721		796
722	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
724		799
725	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
727		802
728	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
729		804
730	=over 4	805	=over 4
…		…
958	}	1033	}
959		1034
960	0	1035	0
961	}	1036	}
962		1037
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1039
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1041
967	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
968		1043
…		…
974		1049
975	=cut	1050	=cut
976		1051
977	#############################################################################	1052	#############################################################################
978	# object support	1053	# object support
979	#
980		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
981	sub _can_merge {	1088	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1089	my ($ob1, $ob2) = @_;
983		1090
984	local $Storable::canonical = 1;	1091	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1092
988	$fob1 eq $fob2	1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
989	}	1095	}
990		1096
991	sub reattach {	1097	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1099	my ($obj) = @_;
994		1100
		1101	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1103
997	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
998		1105
999	@$registry = ();	1106	@$registry = ();
1000		1107
…		…
1015	cf::attachable->attach (	1122	cf::attachable->attach (
1016	prio => -1000000,	1123	prio => -1000000,
1017	on_instantiate => sub {	1124	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
1019		1126
1020	$data = from_json $data;	1127	$data = decode_json $data;
1021		1128
1022	for (@$data) {	1129	for (@$data) {
1023	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
1024		1131
1025	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1148	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
1043		1150
1044	sync_job {	1151	sync_job {
1045	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1048		1156
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	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;
		1162	aio_fsync $fh;
		1163	}
1053	close $fh;	1164	aio_close $fh;
1054		1165
1055	if (@$objs) {	1166	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	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;
		1173	aio_fsync $fh;
		1174	}
1061	close $fh;	1175	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1177	}
1064	} else {	1178	} else {
1065	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1066	}	1180	}
1067		1181
1068	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1186	} else {
1070	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1071	}	1188	}
1072	} else {	1189	} else {
1073	aio_unlink $filename;	1190	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1075	}	1192	}
1076	}	1193	};
1077	}	1194	}
1078		1195
1079	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
1081		1198
…		…
1093	or return;	1210	or return;
1094		1211
1095	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1214	or return;
		1215
1098	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
1099	}	1218	}
1100		1219
		1220	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
1103	return ($data, $av);	1224	($data, $av)
1104	}	1225	}
1105		1226
1106	=head2 COMMAND CALLBACKS	1227	=head2 COMMAND CALLBACKS
1107		1228
1108	=over 4	1229	=over 4
…		…
1162	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1163		1284
1164	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1165	}	1286	}
1166		1287
		1288	use File::Glob ();
		1289
1167	cf::player->attach (	1290	cf::player->attach (
1168	on_command => sub {	1291	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1170		1293
1171	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1309	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1310	"ARRAY" eq ref $msg
1188	? @$msg	1311	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1313
		1314	my @reply;
		1315
1191	if (my $cb = $EXTCMD{$type}) {	1316	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1317	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1197	} else {	1323	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1325	}
1200		1326
1201	cf::override;	1327	cf::override;
1202	},	1328	},
1203	);	1329	);
		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
1204		1343
1205	sub load_extensions {	1344	sub load_extensions {
1206	cf::sync_job {	1345	cf::sync_job {
1207	my %todo;	1346	my %todo;
1208		1347
…		…
1228		1367
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1370
1232	$ext{source} =	1371	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1235	. $source	1374	. $source
1236	. "\n};\n1";	1375	. "\n};\n1";
1237		1376
1238	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1256		1395
1257	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1397	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1399	}
1262		1400
1263	warn $msg;	1401	warn $msg;
1264	}	1402	}
1265		1403
…		…
1279		1417
1280	=back	1418	=back
1281		1419
1282	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1283		1421
1284	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1285		1423
1286	=cut	1424	=cut
1287		1425
1288	package cf::player;	1426	package cf::player;
1289		1427
1290	use Coro::AIO;	1428	use Coro::AIO;
1291		1429
1292	=head3 cf::player	1430	=head3 cf::player
1293		1431
1294	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1295		1447
1296	=item cf::player::find $login	1448	=item cf::player::find $login
1297		1449
1298	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1299		1451
…		…
1318		1470
1319	sub exists($) {	1471	sub exists($) {
1320	my ($login) = @_;	1472	my ($login) = @_;
1321		1473
1322	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1324	}	1476	}
1325		1477
1326	sub find($) {	1478	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1480	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1491
1340	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1343	}	1501	}
1344	}	1502	}
1345	}	1503	}
1346		1504
…		…
1355	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1356		1514
1357	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1359		1517
		1518	cf::get_slot 0.01;
		1519
1360	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1361	Coro::cede;	1521	cf::cede_to_tick;
1362	}	1522	}
1363		1523
1364	sub new($) {	1524	sub new($) {
1365	my ($login) = @_;	1525	my ($login) = @_;
1366		1526
…		…
1395	my ($pl) = @_;	1555	my ($pl) = @_;
1396		1556
1397	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1398		1558
1399	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1400	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1401		1561
1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1403	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1405	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1406		1568
1407	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1408	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1444	or return [];	1606	or return [];
1445		1607
1446	my @logins;	1608	my @logins;
1447		1609
1448	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1452		1620
1453	utf8::decode $login;	1621	utf8::decode $login;
1454	push @logins, $login;	1622	push @logins, $login;
1455	}	1623	}
1456		1624
…		…
1483	}	1651	}
1484		1652
1485	\@paths	1653	\@paths
1486	}	1654	}
1487		1655
1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489		1657
1490	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1491
1492	=cut
1493
1494	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;
1496
1497	# escape & and <
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500
1501	# this is buggy, it needs to properly take care of nested <'s
1502
1503	1 while
1504	# replace B<>, I<>, U<> etc.
1505	s/B<([^\>]*)>/<b>$1<\/b>/
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
1508	# replace G<male|female> tags
1509	|| s{G<([^>|]*)\|([^>]*)>}{
1510	$self->gender ? $2 : $1
1511	}ge
1512	# replace H<hint text>
1513	|| s{H<([^\>]*)>}
1514	{
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")
1518	[$self->{hintmode}]
1519	}ge;
1520
1521	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;
1523
1524	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines
1529
1530	$_
1531	}
1532
1533	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}
1536	}
1537		1659
1538	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1539		1661
1540	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1541		1663
1542	=cut	1664	=cut
1543		1665
1544	sub ext_reply($$@) {	1666	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1667	my ($self, $id, @msg) = @_;
1546		1668
1547	if ($self->ns->extcmd == 2) {	1669	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1670	}
1555		1671
1556	=item $player->ext_msg ($type, @msg)	1672	=item $player->ext_msg ($type, @msg)
1557		1673
1558	Sends an ext event to the client.	1674	Sends an ext event to the client.
…		…
1614	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1616		1732
1617	sub generate_random_map {	1733	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1619	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1739	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1745		1864
1746	# the temporary/swap location	1865	# the temporary/swap location
1747	sub save_path {	1866	sub save_path {
1748	my ($self) = @_;	1867	my ($self) = @_;
1749		1868
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1752	}	1871	}
1753		1872
1754	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1755	sub uniq_path {	1874	sub uniq_path {
1756	my ($self) = @_;	1875	my ($self) = @_;
1757		1876
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1760	}
1761
1762	# and all this just because we cannot iterate over
1763	# all maps in C++...
1764	sub change_all_map_light {
1765	my ($change) = @_;
1766
1767	$_->change_map_light ($change)
1768	for grep $_->outdoor, values %cf::MAP;
1769	}	1879	}
1770		1880
1771	sub decay_objects {	1881	sub decay_objects {
1772	my ($self) = @_;	1882	my ($self) = @_;
1773		1883
…		…
1786		1896
1787	sub load_header_from($) {	1897	sub load_header_from($) {
1788	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1789		1899
1790	utf8::encode $path;	1900	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1796		1909
1797	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1798		1911
1799	1	1912	1
1800	}	1913	}
…		…
1854	sub find {	1967	sub find {
1855	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1856		1969
1857	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1858		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1860		1974
1861	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1862	my $guard = cf::lock_acquire "map_find:$path";
1863	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1864	or return;	1977	or return;
1865		1978
1866	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1867		1980
…		…
1869	or return;	1982	or return;
1870		1983
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1874	$map->reset;	1989	$map->reset;
1875	undef $guard;
1876	return find $path;	1990	return find $path;
1877	}	1991	}
1878		1992
1879	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1880	}	1994	}
…		…
1889	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1890		2004
1891	my $path = $self->{path};	2005	my $path = $self->{path};
1892		2006
1893	{	2007	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1895		2009
		2010	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2012
1898	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1899		2014
1900	$self->alloc;	2015	$self->alloc;
1901		2016
1902	$self->pre_load;	2017	$self->pre_load;
1903	Coro::cede;	2018	cf::cede_to_tick;
1904		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1906	or return;	2023	or return;
1907		2024
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1909	if delete $self->{load_original};	2026	if delete $self->{load_original};
1910		2027
1911	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2029	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2032	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1916	}	2036	}
1917	}	2037	}
1918		2038
1919	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1920	# now do the right thing for maps	2042	# now do the right thing for maps
1921	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2045	unless $self->difficulty;
1924	Coro::cede;	2046	cf::cede_to_tick;
1925		2047
1926	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2049	$self->decay_objects;
1928	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1929	$self->update_buttons;	2051	$self->update_buttons;
1930	Coro::cede;	2052	cf::cede_to_tick;
1931	$self->set_darkness_map;
1932	Coro::cede;
1933	$self->activate;	2053	$self->activate;
1934	}	2054	}
1935		2055
1936	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2057	$self->last_access ($cf::RUNTIME);
1938		2058
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2060	}
1941		2061
1942	$self->post_load;	2062	$self->post_load;
1943	}	2063	}
1944		2064
…		…
1953		2073
1954	$self	2074	$self
1955	}	2075	}
1956		2076
1957	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2078	sub load_neighbours {
1959	my ($map) = @_;	2079	my ($map) = @_;
1960		2080
1961	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1962		2082
1963	for (0 .. 3) {	2083	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1965	or next;	2085	or next;
1966	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1967	or next;	2087	or next;
1968	$neigh->load;	2088	$neigh->load;
1969		2089
		2090	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2093	}
1973		2094
1974	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1976	or next;	2098	or next;
1977	$neigh->load;	2099	$neigh->load;
1978	}	2100	}
1979	}	2101	}
1980		2102
…		…
1985	}	2107	}
1986		2108
1987	sub do_load_sync {	2109	sub do_load_sync {
1988	my ($map) = @_;	2110	my ($map) = @_;
1989		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1990	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1991	}	2116	}
1992		2117
1993	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1995		2120
1996	sub find_async {	2121	sub find_async {
1997	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1998		2123
1999	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
2000		2125
2001	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2128	}
2004		2129
2005	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
2006	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
2007	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2137	if (my $map = find $k) {
2010	$map->load;	2138	$map->load if $v;
2011	}	2139	}
2012		2140
2013	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
2014	}	2142	}
2015	}	2143	}
2016	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
2017	};	2145	};
2018	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
2021	}	2149	}
2022		2150
2023	sub save {	2151	sub save {
2024	my ($self) = @_;	2152	my ($self) = @_;
2025		2153
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2155
2028	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
2029		2157
2030	return unless $self->dirty;	2158	return unless $self->dirty;
2031		2159
…		…
2037	return if $self->{deny_save};	2165	return if $self->{deny_save};
2038		2166
2039	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
2040		2168
2041	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
2043	};	2172	};
		2173
		2174	cf::get_slot 0.02;
2044		2175
2045	if ($uniq) {	2176	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2179	} else {
…		…
2054	my ($self) = @_;	2185	my ($self) = @_;
2055		2186
2056	# save first because save cedes	2187	# save first because save cedes
2057	$self->save;	2188	$self->save;
2058		2189
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2191
2061	return if $self->players;	2192	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
2063	return if $self->{deny_save};	2194	return if $self->{deny_save};
2064		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
2065	$self->clear;	2200	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2201	}
2068		2202
2069	sub reset_at {	2203	sub reset_at {
2070	my ($self) = @_;	2204	my ($self) = @_;
2071		2205
…		…
2103	if $uniq;	2237	if $uniq;
2104	}	2238	}
2105		2239
2106	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
2107		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2244	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2245
2112	$self->unlink_save;	2246	$self->unlink_save;
2113	$self->destroy;	2247	$self->destroy;
2114	}	2248	}
2115		2249
2116	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
2117		2251
2118	sub nuke {	2252	sub nuke {
2119	my ($self) = @_;	2253	my ($self) = @_;
2120		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
2121	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
2122		2259
2123	$self->unlink_save;	2260	$self->unlink_save;
2124		2261
2125	bless $self, "cf::map";	2262	bless $self, "cf::map";
2126	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2267
2131	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
2132		2270
2133	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
2134	}	2272	}
2135		2273
2136	=item $maps = cf::map::tmp_maps	2274	=item $maps = cf::map::tmp_maps
…		…
2178		2316
2179	sub unique_maps() {	2317	sub unique_maps() {
2180	[	2318	[
2181	map {	2319	map {
2182	utf8::decode $_;	2320	utf8::decode $_;
2183	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2184	? normalise $_	2324	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2326	]
2188	}	2327	}
2189		2328
2190	package cf;
2191
2192	=back	2329	=back
2193		2330
2194	=head3 cf::object	2331	=head3 cf::object
2195		2332
2196	=cut	2333	=cut
…		…
2199		2336
2200	=over 4	2337	=over 4
2201		2338
2202	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2203		2340
2204	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
2205		2343
2206	=cut	2344	=cut
2207		2345
2208	sub inv_recursive_;	2346	sub inv_recursive_;
2209	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2212		2350
2213	sub inv_recursive {	2351	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2215	}	2353	}
2216		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
2217	package cf;	2383	package cf;
2218		2384
2219	=back	2385	=back
2220		2386
2221	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2230		2396
2231	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
2232		2412
2233	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2414	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2430
2251	} else {	2431	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2434	}
2255	}	2435	}
2256	}	2436	}
2257		2437
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2283		2463
2284	=item $player_object->enter_link	2464	=item $player_object->enter_link
2285		2465
2286	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2287		2467
2288	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
2289	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2290		2472
2291	Will never block.	2473	Will never block.
2292		2474
2293	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2294		2476
…		…
2349	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
2352		2534
2353	$map->load;	2535	$map->load;
2354	$map->load_diag;	2536	$map->load_neighbours;
2355		2537
2356	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2357	$self->activate_recursive;	2540	$self->activate_recursive;
2358		2541
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2361	}	2544	}
…		…
2366	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2367	that has to return the map if sucecssful, and then unfreezes the player on	2550	that has to return the map if sucecssful, and then unfreezes the player on
2368	the new (success) or old (failed) map position. In either case, $done will	2551	the new (success) or old (failed) map position. In either case, $done will
2369	be called at the end of this process.	2552	be called at the end of this process.
2370		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
		2556
2371	=cut	2557	=cut
2372		2558
2373	our $GOTOGEN;	2559	our $GOTOGEN;
2374		2560
2375	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
…		…
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2566
2381	$self->enter_link;	2567	$self->enter_link;
2382		2568
2383	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
2384	my $map = eval {	2591	my $map = eval {
2385	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
2386		2593
2387	if ($map) {	2594	if ($map) {
2388	$map = $map->customise_for ($self);	2595	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2596	$map = $check->($map) if $check && $map;
2390	} else {	2597	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2599	}
2393		2600
2394	$map	2601	$map
2395	};	2602	};
2396		2603
…		…
2432	}	2639	}
2433		2640
2434	sub prepare_random_map {	2641	sub prepare_random_map {
2435	my ($exit) = @_;	2642	my ($exit) = @_;
2436		2643
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2646	# that depends on the exit object
2442		2647
2443	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2650	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2450	}	2657	}
2451		2658
2452	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2453		2660
2454	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2457		2664
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2667	undef $fh;
2461	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2462		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2465	}	2676	}
2466	}	2677	}
2467		2678
2468	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2470		2681
2471	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2472		2683
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2684	$self->enter_link;
2485		2685
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2686	(async {
2491	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2492	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2493	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2494		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2495	1;	2710	1
2496	}) {	2711	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2498	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2501		2716
2502	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2745	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2746	the message unless the client supports the msg packet.
2532		2747
2533	=cut	2748	=cut
2534		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
2535	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2537		2854
2538	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2539		2857
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
2542	if (ref $channel) {	2867	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	2871	$self->ext_msg (channel_info => $channel);
2547	}	2872	}
…		…
2549	$channel = $channel->{id};	2874	$channel = $channel->{id};
2550	}	2875	}
2551		2876
2552	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2553		2878
2554	if ($self->can_msg) {
2555	# default colour, mask it out	2879	# default colour, mask it out
2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557	if $color & cf::NDI_DEF;	2881	if $color & cf::NDI_DEF;
2558		2882
2559	$self->send_packet ("msg " . $self->{json_coder}->encode (	2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561	} else {	2886	);
2562	if ($color >= 0) {
2563	# replace some tags by gcfclient-compatible ones
2564	for ($msg) {
2565	1 while
2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571	}
2572		2887
2573	$color &= cf::NDI_COLOR_MASK;	2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
2574		2891
2575	utf8::encode $msg;	2892	# split very large packets
2576		2893	if (8192 < length $pkt and $self->{can_lzf}) {
2577	if (0 && $msg =~ /\[/) {	2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2578	$self->send_packet ("drawextinfo $color 4 0 $msg")	2895	$pkt = "frag";
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}	2896	}
		2897
		2898	$self->send_packet ($pkt);
2585	}	2899	}
2586		2900
2587	=item $client->ext_msg ($type, @msg)	2901	=item $client->ext_msg ($type, @msg)
2588		2902
2589	Sends an ext event to the client.	2903	Sends an ext event to the client.
…		…
2591	=cut	2905	=cut
2592		2906
2593	sub cf::client::ext_msg($$@) {	2907	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	2908	my ($self, $type, @msg) = @_;
2595		2909
2596	my $extcmd = $self->extcmd;
2597
2598	if ($extcmd == 2) {	2910	if ($self->extcmd == 2) {
2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600	} elsif ($extcmd == 1) { # TODO: remove	2912	} elsif ($self->extcmd == 1) { # TODO: remove
2601	push @msg, msgtype => "event_$type";	2913	push @msg, msgtype => "event_$type";
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603	}	2933	}
2604	}	2934	}
2605		2935
2606	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
…		…
2668	my ($type, $reply, @payload) =	2998	my ($type, $reply, @payload) =
2669	"ARRAY" eq ref $msg	2999	"ARRAY" eq ref $msg
2670	? @$msg	3000	? @$msg
2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672		3002
		3003	my @reply;
		3004
2673	if (my $cb = $EXTICMD{$type}) {	3005	if (my $cb = $EXTICMD{$type}) {
2674	my @reply = $cb->($ns, @payload);	3006	@reply = $cb->($ns, @payload);
2675
2676	$ns->ext_reply ($reply, @reply)
2677	if $reply;
2678	}	3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
2679	} else {	3012	} else {
2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681	}	3014	}
2682		3015
2683	cf::override;	3016	cf::override;
…		…
2743	=pod	3076	=pod
2744		3077
2745	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2746		3079
2747	cf::object	3080	cf::object
2748	contr pay_amount pay_player map x y force_find force_add	3081	contr pay_amount pay_player map x y force_find force_add destroy
2749	insert remove name archname title slaying race	3082	insert remove name archname title slaying race decrease split
		3083	value
2750		3084
2751	cf::object::player	3085	cf::object::player
2752	player	3086	player
2753		3087
2754	cf::player	3088	cf::player
…		…
2759		3093
2760	=cut	3094	=cut
2761		3095
2762	for (	3096	for (
2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764	insert remove inv name archname title slaying race)],	3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2765	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2766	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2767	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2768	) {	3103	) {
2769	no strict 'refs';	3104	no strict 'refs';
2770	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2771	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2788	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2789		3124
2790	my $qcode = $code;	3125	my $qcode = $code;
2791	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2792	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2793		3130
2794	local $_;	3131	local $_;
2795	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2796		3133
2797	my $eval =	3134	my $eval =
…		…
2845	# the server's init and main functions	3182	# the server's init and main functions
2846		3183
2847	sub load_facedata($) {	3184	sub load_facedata($) {
2848	my ($path) = @_;	3185	my ($path) = @_;
2849		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3192
2850	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2851		3194
2852	my $facedata;	3195	my $facedata;
2853	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
2854	or die "$path: $!";	3197	or die "$path: $!";
…		…
2856	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2857		3200
2858	$facedata->{version} == 2	3201	$facedata->{version} == 2
2859	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2860		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
2861	{	3211	{
2862	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2863		3213
2864	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2866	cf::face::set_visibility $idx, $info->{visibility};	3217	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2870		3221
2871	cf::cede_to_tick;	3222	cf::cede_to_tick;
2872	}	3223	}
2873		3224
2874	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2876	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2877	or next;	3229	or next;
		3230
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3234	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2899		3252
2900	{	3253	{
2901	# TODO: for gcfclient pleasure, we should give resources	3254	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.	3255	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3256	my $res = $facedata->{resource};
2904	my $enc = JSON::XS->new->utf8->canonical;
2905
2906	my $soundconf = delete $res->{"res/sound.conf"};
2907		3257
2908	while (my ($name, $info) = each %$res) {	3258	while (my ($name, $info) = each %$res) {
2909	my $meta = $enc->encode ({	3259	if (defined $info->{type}) {
2910	name => $name,
2911	%{ $info->{meta} || {} },
2912	});
2913
2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
2915		3262
2916	if ($info->{type} & 1) {	3263	if ($info->{type} & 1) {
2917	# prepend meta info	3264	# prepend meta info
2918		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
2919	my $data = pack "(w/a*)*", $meta, $info->{data};	3271	$data = pack "(w/a*)*", $meta, $info->{data};
2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3272	} else {
		3273	$data = $info->{data};
		3274	}
2921		3275
2922	cf::face::set_data $idx, 0, $data, $chk;	3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
2923	} else {	3278	} else {
2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3279	$RESOURCE{$name} = $info;
2925	}	3280	}
2926		3281
2927	cf::face::set_type $idx, $info->{type};
2928
2929	cf::cede_to_tick;	3282	cf::cede_to_tick;
2930	}	3283	}
2931
2932	if ($soundconf) {
2933	$soundconf = $enc->decode (delete $soundconf->{data});
2934
2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936	my $sound = $soundconf->{compat}[$_]
2937	or next;
2938
2939	my $face = cf::face::find "sound/$sound->[1]";
2940	cf::sound::set $sound->[0] => $face;
2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942	}
2943
2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
2945	my $face = cf::face::find "sound/$v";
2946	cf::sound::set $k => $face;
2947	}
2948	}
2949	}	3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950		3287
2951	1	3288	1
2952	}	3289	}
		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
2953		3310
2954	register_exticmd fx_want => sub {	3311	register_exticmd fx_want => sub {
2955	my ($ns, $want) = @_;	3312	my ($ns, $want) = @_;
2956		3313
2957	while (my ($k, $v) = each %$want) {	3314	while (my ($k, $v) = each %$want) {
2958	$ns->fx_want ($k, $v);	3315	$ns->fx_want ($k, $v);
2959	}	3316	}
2960	};	3317	};
2961		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
2962	sub reload_regions {	3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
2963	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2964	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
2965		3336
2966	for (cf::region::list) {	3337	for (cf::region::list) {
2967	$_->{match} = qr/$_->{match}/	3338	$_->{match} = qr/$_->{match}/
…		…
2975	}	3346	}
2976		3347
2977	sub reload_archetypes {	3348	sub reload_archetypes {
2978	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";	3350	or die "unable to load archetypes\n";
2980	#d# NEED to laod twice to resolve forward references
2981	# this really needs to be done in an extra post-pass
2982	# (which needs to be synchronous, so solve it differently)
2983	load_resource_file "$DATADIR/archetypes"
2984	or die "unable to load archetypes\n";
2985	}	3351	}
2986		3352
2987	sub reload_treasures {	3353	sub reload_treasures {
2988	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
2989	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
2990	}	3356	}
2991		3357
2992	sub reload_resources {	3358	sub reload_resources {
2993	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2994		3360
		3361	reload_facedata;
		3362	reload_archetypes;
2995	reload_regions;	3363	reload_regions;
2996	reload_facedata;
2997	#reload_archetypes;#d#
2998	reload_archetypes;
2999	reload_treasures;	3364	reload_treasures;
3000		3365
3001	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
3002	}	3367	}
3003		3368
3004	sub init {	3369	sub reload_config {
3005	reload_resources;
3006	}
3007
3008	sub cfg_load {
3009	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
3010	or return;	3371	or return;
3011		3372
3012	local $/;	3373	local $/;
3013	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
3014		3375
3015	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3016		3377
3017	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3024	};	3385	};
3025	warn $@ if $@;	3386	warn $@ if $@;
3026	}	3387	}
3027	}	3388	}
3028		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
3029	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
3030	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
3031	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033	(async {	3436	(async {
3034	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
3035	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
3036	};	3440	};
3037		3441
3038	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
3039	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
3040	load_extensions;	3460	load_extensions;
3041		3461
3042	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
3043	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
3044	}	3471	}
3045		3472
3046	#############################################################################	3473	#############################################################################
3047	# initialisation and cleanup	3474	# initialisation and cleanup
3048		3475
3049	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
3050	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
3051	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
3052	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3053	reentrant => 0,
3054	data => WF_AUTOCANCEL,
3055	signal => $signal,
3056	prio => 0,
3057	cb => sub {
3058	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
3059	},
3060	);	3482	};
3061	}	3483	}
3062	}	3484	}
3063		3485
3064	sub write_runtime {	3486	sub write_runtime_sync {
3065	my $runtime = "$LOCALDIR/runtime";
3066
3067	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
3068	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
3069		3489
3070	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3071		3491
3072	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
3073		3493
3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3075	or return;	3495	or return;
3076		3496
3077	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
3078	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
3079	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
3089	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
3090		3510
3091	close $fh	3511	close $fh
3092	or return;	3512	or return;
3093		3513
3094	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3095	and return;	3515	and return;
3096		3516
3097	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
3098		3518
3099	1	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
3100	}	3570	}
3101		3571
3102	sub emergency_save() {	3572	sub emergency_save() {
3103	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
3104		3574
3105	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
3106		3576
3107	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
3108	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
3109	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
3110	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
3111	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
3112	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
3113	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
3114	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115	$pl->save;	3591	$pl->save;
3116	}	3592	}
3117	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
3118		3594
3119	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
3120	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
3121	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
3122	$map->valid or next;	3598	$map->valid or next;
3123	$map->save;	3599	$map->save;
3124	}	3600	}
3125	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
3126		3602
3127	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
3128	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3129	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
3130	};	3610	};
3131		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
3132	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
3133	}	3618	}
3134		3619
3135	sub post_cleanup {	3620	sub post_cleanup {
3136	my ($make_core) = @_;	3621	my ($make_core) = @_;
3137		3622
3138	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3139	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
3140	}	3654	}
3141		3655
3142	sub do_reload_perl() {	3656	sub do_reload_perl() {
3143	# can/must only be called in main	3657	# can/must only be called in main
3144	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3145	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3146	return;	3660	return;
3147	}	3661	}
3148		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3149	warn "reloading...";	3668	warn "reloading...";
3150		3669
3151	warn "entering sync_job";	3670	warn "entering sync_job";
3152		3671
3153	cf::sync_job {	3672	cf::sync_job {
3154	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3155	cf::emergency_save;	3674	cf::emergency_save;
3156	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3157		3676
3158	warn "syncing database to disk";	3677	warn "syncing database to disk";
3159	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3160		3679
3161	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
3162		3681
3163	warn "cancelling all WF_AUTOCANCEL watchers";
3164	for (Event::all_watchers) {
3165	$_->cancel if $_->data & WF_AUTOCANCEL;
3166	}
3167
3168	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3169	for (;;) {
3170	BDB::flush;
3171	IO::AIO::flush;
3172	Coro::cede;
3173	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3174	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3175	}
3176
3177	++$RELOAD;
3178
3179	warn "cancelling all extension coros";
3180	$_->cancel for values %EXT_CORO;
3181	%EXT_CORO = ();
3182
3183	warn "removing commands";
3184	%COMMAND = ();
3185
3186	warn "removing ext/exti commands";
3187	%EXTCMD = ();
3188	%EXTICMD = ();
3189
3190	warn "unloading/nuking all extensions";
3191	for my $pkg (@EXTS) {
3192	warn "... unloading $pkg";
3193
3194	if (my $cb = $pkg->can ("unload")) {
3195	eval {
3196	$cb->($pkg);
3197	1
3198	} or warn "$pkg unloaded, but with errors: $@";
3199	}	3685	}
3200		3686
3201	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3202	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3203	}	3689	%EXT_CORO = ();
3204		3690
3205	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3206	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3208		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3209	warn "... unloading $k";	3700	warn "... unloading $pkg";
3210	delete $INC{$k};
3211		3701
3212	$k =~ s/\.pm$//;
3213	$k =~ s/\//::/g;
3214
3215	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3216	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3217	}	3711	}
3218		3712
3219	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
3220	}	3728	}
3221		3729
3222	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3223	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3225		3733
3226	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3227	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3228	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3229		3737
3230	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3231	# and global variables created in xs	3739	# and global variables created in xs
3232	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3233		3741
3234	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3235		3743
3236	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3237	require cf;	3745	require cf;
3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3239		3747
3240	warn "loading config and database again";	3748	warn "loading config and database again";
3241	cf::cfg_load;	3749	cf::reload_config;
3242		3750
3243	warn "loading extensions";	3751	warn "loading extensions";
3244	cf::load_extensions;	3752	cf::load_extensions;
3245		3753
		3754	if ($REATTACH_ON_RELOAD) {
3246	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3247	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3248	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3249	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3250	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3251	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3252		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3253	warn "leaving sync_job";	3766	warn "leaving sync_job";
3254		3767
3255	1	3768	1
3256	} or do {	3769	} or do {
3257	warn $@;	3770	warn $@;
3258	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3259	exit 1;
3260	};	3772	};
3261		3773
3262	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3263	};	3780	};
3264		3781
3265	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3266		3783
3267	sub reload_perl() {	3784	sub reload_perl() {
3268	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3269	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3270		3787
3271	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
3272	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
3273	after => 0,	3790
3274	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3275	cb => sub {
3276	do_reload_perl;	3792	do_reload_perl;
3277	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
3278	},	3794	};
3279	);	3795	};
3280	}	3796	}
3281		3797
3282	register_command "reload" => sub {	3798	register_command "reload" => sub {
3283	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
3284		3800
3285	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
3286	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
3287	async { reload_perl };	3805	reload_perl;
		3806	};
3288	}	3807	}
3289	};	3808	};
3290		3809
3291	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
3292		3811
…		…
3294		3813
3295	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
3296	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
3297		3816
3298	sub wait_for_tick {	3817	sub wait_for_tick {
3299	return unless $TICK_WATCHER->is_active;
3300	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
3301		3819
3302	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
3303	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
3304	$signal->wait;	3822	$signal->wait;
3305	}	3823	}
3306		3824
3307	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
3308	return unless $TICK_WATCHER->is_active;
3309	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
3310		3827
3311	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
3312	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
3313	$signal->wait;	3830	$signal->wait;
3314	}	3831	}
3315		3832
3316	my $min = 1e6;#d#	3833	sub tick {
3317	my $avg = 10;
3318	$TICK_WATCHER = Event->timer (
3319	reentrant => 0,
3320	parked => 1,
3321	prio => 0,
3322	at => $NEXT_TICK || $TICK,
3323	data => WF_AUTOCANCEL,
3324	cb => sub {
3325	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
3328	return;	3837	return;
3329	}	3838	}
3330		3839
3331	$NOW = $tick_start = Event::time;
3332
3333	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
3334		3841
3335	0 && sync_job {#d#	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336	for(1..10) {	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3337	my $t = Event::time;	3844	Coro::async_pool {
3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3845	$Coro::current->{desc} = "runtime saver";
3339	or die;	3846	write_runtime_sync
3340		3847	or warn "ERROR: unable to write runtime file: $!";
3341	$map->width (50);
3342	$map->height (50);
3343	$map->alloc;
3344	$map->_load_objects ("/tmp/x.map", 1);
3345	my $t = Event::time - $t;
3346
3347	#next unless $t < 0.0013;#d#
3348	if ($t < $min) {
3349	$min = $t;
3350	}
3351	$avg = $avg * 0.99 + $t * 0.01;
3352	}
3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354	exit 0;
3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356	};	3848	};
		3849	}
3357		3850
3358	$RUNTIME += $TICK;
3359	$NEXT_TICK += $TICK;
3360
3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
3363	Coro::async_pool {
3364	write_runtime
3365	or warn "ERROR: unable to write runtime file: $!";
3366	};
3367	}
3368
3369	# my $AFTER = Event::time;
3370	# warn $AFTER - $NOW;#d#
3371
3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373	$sig->send;	3852	$sig->send;
3374	}	3853	}
3375	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
3376	$sig->send;	3855	$sig->send;
3377	}	3856	}
3378		3857
3379	$NOW = Event::time;	3858	$LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381	# if we are delayed by four ticks or more, skip them all
3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384	$TICK_WATCHER->at ($NEXT_TICK);
3385	$TICK_WATCHER->start;
3386
3387	$LOAD = ($NOW - $tick_start) / $TICK;
3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389		3860
3390	_post_tick;	3861	if (0) {
3391		3862	if ($NEXT_TICK) {
3392		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
3393	},	3867	}
3394	);	3868	}
3395		3869
3396	{	3870	{
3397	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
3398	$BDB_POLL_WATCHER = Event->io (	3872
3399	reentrant => 0,
3400	fd => BDB::poll_fileno,
3401	poll => 'r',
3402	prio => 0,
3403	data => WF_AUTOCANCEL,
3404	cb => \&BDB::poll_cb,
3405	);
3406	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3407		3874	BDB::max_poll_reqs $TICK * 0.1;
3408	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
3409	my $status;
3410	my $current = $Coro::current;
3411	(
3412	sub {
3413	$status = $!;
3414	$current->ready; undef $current;
3415	},
3416	sub {
3417	Coro::schedule while defined $current;
3418	$! = $status;
3419	},
3420	)
3421	};
3422		3876
3423	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3424	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425		3884
3426	cf::sync_job {	3885	cf::sync_job {
3427	eval {	3886	eval {
3428	BDB::db_env_open	3887	BDB::db_env_open
3429	$DB_ENV,	3888	$DB_ENV,
…		…
3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433	0666;	3892	0666;
3434		3893
3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438	$DB_ENV->set_lk_detect;
3439	};	3895	};
3440		3896
3441	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
3442	};	3898	};
3443	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
3444	}	3910	}
3445		3911
3446	{	3912	{
		3913	# configure IO::AIO
		3914
3447	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3448
3449	undef $Coro::AIO::WATCHER;
3450	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3451	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
3452	reentrant => 0,
3453	data => WF_AUTOCANCEL,
3454	fd => IO::AIO::poll_fileno,
3455	poll => 'r',
3456	prio => 6,
3457	cb => \&IO::AIO::poll_cb,
3458	);
3459	}	3918	}
3460		3919
3461	my $_log_backtrace;	3920	my $_log_backtrace;
3462		3921
3463	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3466	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3467		3926
3468	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3469	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3470	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3471	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
3472	my @bt = fork_call {	3934	my @bt = fork_call {
3473	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
3484	}	3946	}
3485		3947
3486	@funcs	3948	@funcs
3487	};	3949	};
3488		3950
3489	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3490	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3491	--$_log_backtrace;	3954	--$_log_backtrace;
3492	};	3955	};
3493	} else {	3956	} else {
3494	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3495	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3496	}	3959	}
3497	}	3960	}
3498		3961
3499	# load additional modules	3962	# load additional modules
3500	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3501		3964
3502	END { cf::emergency_save }	3965	END { cf::emergency_save }
3503		3966
3504	1	3967	1
3505		3968

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