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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 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	}
		380
		381	=item cf::periodic $interval, $cb
		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($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
322	};	439	}
323	$TICK_WATCHER->stop;	440	};
324	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
325	}	454	}
326		455
327	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
328		457
329	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		463
335	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
336		465
337	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
338		467
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	468	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	469	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	471	acceptable.
343		472
344	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		479
351	sub sync_job(&) {	480	sub sync_job(&) {
352	my ($job) = @_;	481	my ($job) = @_;
353		482
354	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	484	my $time = EV::time;
356		485
357	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
359		488
360	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	490
362	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
363		492
364	my $busy = 1;	493	my $busy = 1;
365	my @res;	494	my @res;
366		495
367	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	498	@res = eval { $job->() };
369	warn $@ if $@;	499	warn $@ if $@;
370	undef $busy;	500	undef $busy;
371	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
372		502
373	while ($busy) {	503	while ($busy) {
374	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
375	}	508	}
		509	}
376		510
377	$time = Event::time - $time;	511	my $time = EV::time - $time;
378		512
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
383		514
384	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
385	} else {	516	} else {
386	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
387		518
…		…
412	=item fork_call { }, $args	543	=item fork_call { }, $args
413		544
414	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
415	process, returning the results. Everything must be serialisable with	546	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	548	never block itself or use any form of event handling.
418		549
419	=cut	550	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		551
430	sub fork_call(&@) {	552	sub fork_call(&@) {
431	my ($cb, @args) = @_;	553	my ($cb, @args) = @_;
432		554
433	# 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,
434	# or die "socketpair: $!";	556	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	557	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		558
438	if (my $pid = fork) {	559	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	560	reset_signals;
452	local $SIG{__WARN__};	561	&$cb
453	local $SIG{__DIE__};	562	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		563
460	eval {	564	wantarray ? @res : $res[-1]
461	close $fh1;	565	}
462		566
463	my @res = eval { $cb->(@args) };	567	=item $coin = coin_from_name $name
464		568
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	569	=cut
466	close $fh2;
467	};
468		570
469	warn $@ if $@;	571	our %coin_alias = (
470	_exit 0;	572	"silver" => "silvercoin",
471	}	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
472	}	592	}
473		593
474	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
475		595
476	Returns a single value from the environment database.	596	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	598	=item cf::db_put $family => $key => $value
479		599
480	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
481	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).
482		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
483	=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	}
484		626
485	our $DB;	627	our $DB;
486		628
487	sub db_init {	629	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	630	cf::sync_job {
492	eval {	631	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	632	};
502	}	633	}
503		634
504	sub db_get($$) {	635	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	636	my $key = "$_[0]/$_[1]";
506		637
…		…
556	if (1) {	687	if (1) {
557	$md5 =	688	$md5 =
558	join "\x00",	689	join "\x00",
559	$processversion,	690	$processversion,
560	map {	691	map {
561	Coro::cede;	692	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	693	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	694	} 0.. $#$src;
564		695
565		696
566	my $dbmd5 = db_get cache => "$id/md5";	697	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		735
605	#############################################################################	736	#############################################################################
606		737
607	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
608		739
609	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
610	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")
611	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
612		743
613	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>
614	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
615	Crossfire TRT).	746	Deliantra).
616		747
617	=over 4	748	=over 4
618		749
619	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
620		751
…		…
664	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
665		796
666	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
667	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
668		799
669	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		802
672	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
673		804
674	=over 4	805	=over 4
…		…
902	}	1033	}
903		1034
904	0	1035	0
905	}	1036	}
906		1037
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1039
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1041
911	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
912		1043
…		…
919	=cut	1050	=cut
920		1051
921	#############################################################################	1052	#############################################################################
922	# object support	1053	# object support
923		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#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
		1096
924	sub reattach {	1097	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1099	my ($obj) = @_;
927		1100
		1101	# no longer needed after getting rid of delete_package?
928	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
929		1103
930	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
931		1105
932	@$registry = ();	1106	@$registry = ();
933		1107
…		…
948	cf::attachable->attach (	1122	cf::attachable->attach (
949	prio => -1000000,	1123	prio => -1000000,
950	on_instantiate => sub {	1124	on_instantiate => sub {
951	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
952		1126
953	$data = from_json $data;	1127	$data = decode_json $data;
954		1128
955	for (@$data) {	1129	for (@$data) {
956	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
957		1131
958	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1148	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
976		1150
977	sync_job {	1151	sync_job {
978	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
981		1156
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1164	aio_close $fh;
987		1165
988	if (@$objs) {	1166	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1175	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
996	}	1177	}
997	} else {	1178	} else {
998	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
999	}	1180	}
1000		1181
1001	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1186	} else {
1003	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1004	}	1188	}
1005	} else {	1189	} else {
1006	aio_unlink $filename;	1190	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1008	}	1192	}
1009	}	1193	};
1010	}	1194	}
1011		1195
1012	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
1014		1198
…		…
1026	or return;	1210	or return;
1027		1211
1028	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1214	or return;
		1215
1031	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
1032	}	1218	}
1033		1219
		1220	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
1036	return ($data, $av);	1224	($data, $av)
1037	}	1225	}
1038		1226
1039	=head2 COMMAND CALLBACKS	1227	=head2 COMMAND CALLBACKS
1040		1228
1041	=over 4	1229	=over 4
…		…
1095	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1096		1284
1097	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1098	}	1286	}
1099		1287
		1288	use File::Glob ();
		1289
1100	cf::player->attach (	1290	cf::player->attach (
1101	on_command => sub {	1291	on_command => sub {
1102	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1103		1293
1104	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1114	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1115		1305
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1307
1118	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1124	} else {	1323	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1325	}
1127		1326
1128	cf::override;	1327	cf::override;
1129	},	1328	},
1130	);	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	}
1131		1343
1132	sub load_extensions {	1344	sub load_extensions {
1133	cf::sync_job {	1345	cf::sync_job {
1134	my %todo;	1346	my %todo;
1135		1347
…		…
1155		1367
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1370
1159	$ext{source} =	1371	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1162	. $source	1374	. $source
1163	. "\n};\n1";	1375	. "\n};\n1";
1164		1376
1165	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1181	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1182	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1183		1395
1184	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1185	warn $msg;	1397	warn $msg;
1186	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1187	exit 1;
1188	}	1399	}
1189		1400
1190	warn $msg;	1401	warn $msg;
1191	}	1402	}
1192		1403
…		…
1206		1417
1207	=back	1418	=back
1208		1419
1209	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1210		1421
1211	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1212		1423
1213	=cut	1424	=cut
1214		1425
1215	package cf::player;	1426	package cf::player;
1216		1427
1217	use Coro::AIO;	1428	use Coro::AIO;
1218		1429
1219	=head3 cf::player	1430	=head3 cf::player
1220		1431
1221	=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	}
1222		1447
1223	=item cf::player::find $login	1448	=item cf::player::find $login
1224		1449
1225	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1226		1451
…		…
1245		1470
1246	sub exists($) {	1471	sub exists($) {
1247	my ($login) = @_;	1472	my ($login) = @_;
1248		1473
1249	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1251	}	1476	}
1252		1477
1253	sub find($) {	1478	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1480	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1491
1267	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1268	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;
1269	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1270	}	1501	}
1271	}	1502	}
1272	}	1503	}
1273		1504
…		…
1282	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1283		1514
1284	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1286		1517
		1518	cf::get_slot 0.01;
		1519
1287	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1288	Coro::cede;	1521	cf::cede_to_tick;
1289	}	1522	}
1290		1523
1291	sub new($) {	1524	sub new($) {
1292	my ($login) = @_;	1525	my ($login) = @_;
1293		1526
…		…
1299	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1300		1533
1301	$self	1534	$self
1302	}	1535	}
1303		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1304	=item $pl->quit_character	1547	=item $pl->quit_character
1305		1548
1306	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1308		1551
…		…
1312	my ($pl) = @_;	1555	my ($pl) = @_;
1313		1556
1314	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1315		1558
1316	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1317	$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
1318		1561
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1323		1568
1324	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1606	or return [];
1362		1607
1363	my @logins;	1608	my @logins;
1364		1609
1365	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") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1369		1620
1370	utf8::decode $login;	1621	utf8::decode $login;
1371	push @logins, $login;	1622	push @logins, $login;
1372	}	1623	}
1373		1624
…		…
1400	}	1651	}
1401		1652
1402	\@paths	1653	\@paths
1403	}	1654	}
1404		1655
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1657
1407	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1408		1659
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1456		1661
1457	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1458		1663
1459	=cut	1664	=cut
1460		1665
1461	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1463		1668
1464	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1670	}
1467		1671
1468	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1469		1673
1470	Sends an ext event to the client.	1674	Sends an ext event to the client.
1471		1675
1472	=cut	1676	=cut
1473		1677
1474	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1476		1680
1477	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1478	}	1682	}
1479		1683
1480	=head3 cf::region	1684	=head3 cf::region
1481		1685
1482	=over 4	1686	=over 4
…		…
1526	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1528		1732
1529	sub generate_random_map {	1733	sub generate_random_map {
1530	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
1531	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1739	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1657		1864
1658	# the temporary/swap location	1865	# the temporary/swap location
1659	sub save_path {	1866	sub save_path {
1660	my ($self) = @_;	1867	my ($self) = @_;
1661		1868
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1664	}	1871	}
1665		1872
1666	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1667	sub uniq_path {	1874	sub uniq_path {
1668	my ($self) = @_;	1875	my ($self) = @_;
1669		1876
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	1879	}
1682		1880
1683	sub decay_objects {	1881	sub decay_objects {
1684	my ($self) = @_;	1882	my ($self) = @_;
1685		1883
…		…
1698		1896
1699	sub load_header_from($) {	1897	sub load_header_from($) {
1700	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1701		1899
1702	utf8::encode $path;	1900	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	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;
1708		1909
1709	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1710		1911
1711	1	1912	1
1712	}	1913	}
…		…
1766	sub find {	1967	sub find {
1767	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1768		1969
1769	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1770		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1772		1974
1773	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1776	or return;	1977	or return;
1777		1978
1778	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1779		1980
…		…
1781	or return;	1982	or return;
1782		1983
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1786	$map->reset;	1989	$map->reset;
1787	undef $guard;
1788	return find $path;	1990	return find $path;
1789	}	1991	}
1790		1992
1791	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1792	}	1994	}
…		…
1801	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1802		2004
1803	my $path = $self->{path};	2005	my $path = $self->{path};
1804		2006
1805	{	2007	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1807		2009
		2010	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2012
1810	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1811		2014
1812	$self->alloc;	2015	$self->alloc;
1813		2016
1814	$self->pre_load;	2017	$self->pre_load;
1815	Coro::cede;	2018	cf::cede_to_tick;
1816		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1818	or return;	2023	or return;
1819		2024
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1821	if delete $self->{load_original};	2026	if delete $self->{load_original};
1822		2027
1823	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2029	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2032	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1828	}	2036	}
1829	}	2037	}
1830		2038
1831	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1832	# now do the right thing for maps	2042	# now do the right thing for maps
1833	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2045	unless $self->difficulty;
1836	Coro::cede;	2046	cf::cede_to_tick;
1837		2047
1838	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2049	$self->decay_objects;
1840	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1841	$self->update_buttons;	2051	$self->update_buttons;
1842	Coro::cede;	2052	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2053	$self->activate;
1846	}	2054	}
1847		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2060	}
1850		2061
1851	$self->post_load;	2062	$self->post_load;
1852	}	2063	}
1853		2064
…		…
1862		2073
1863	$self	2074	$self
1864	}	2075	}
1865		2076
1866	# 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
1867	sub load_diag {	2078	sub load_neighbours {
1868	my ($map) = @_;	2079	my ($map) = @_;
1869		2080
1870	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1871		2082
1872	for (0 .. 3) {	2083	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1874	or next;	2085	or next;
1875	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1876	or next;	2087	or next;
1877	$neigh->load;	2088	$neigh->load;
1878		2089
		2090	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2093	}
1882		2094
1883	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1885	or next;	2098	or next;
1886	$neigh->load;	2099	$neigh->load;
1887	}	2100	}
1888	}	2101	}
1889		2102
…		…
1894	}	2107	}
1895		2108
1896	sub do_load_sync {	2109	sub do_load_sync {
1897	my ($map) = @_;	2110	my ($map) = @_;
1898		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1899	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1900	}	2116	}
1901		2117
1902	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1904		2120
1905	sub find_async {	2121	sub find_async {
1906	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1907		2123
1908	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1909		2125
1910	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2128	}
1913		2129
1914	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1915	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1916	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2137	if (my $map = find $k) {
1919	$map->load;	2138	$map->load if $v;
1920	}	2139	}
1921		2140
1922	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1923	}	2142	}
1924	}	2143	}
1925	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1926	};	2145	};
1927	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1930	}	2149	}
1931		2150
1932	sub save {	2151	sub save {
1933	my ($self) = @_;	2152	my ($self) = @_;
1934		2153
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1936		2155
1937	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1938		2157
1939	return unless $self->dirty;	2158	return unless $self->dirty;
1940		2159
…		…
1946	return if $self->{deny_save};	2165	return if $self->{deny_save};
1947		2166
1948	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1949		2168
1950	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1952	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1953		2175
1954	if ($uniq) {	2176	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2179	} else {
…		…
1963	my ($self) = @_;	2185	my ($self) = @_;
1964		2186
1965	# save first because save cedes	2187	# save first because save cedes
1966	$self->save;	2188	$self->save;
1967		2189
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2191
1970	return if $self->players;	2192	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1972	return if $self->{deny_save};	2194	return if $self->{deny_save};
1973		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1974	$self->clear;	2200	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2201	}
1977		2202
1978	sub reset_at {	2203	sub reset_at {
1979	my ($self) = @_;	2204	my ($self) = @_;
1980		2205
…		…
2012	if $uniq;	2237	if $uniq;
2013	}	2238	}
2014		2239
2015	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
2016		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2244	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2245
2021	$self->unlink_save;	2246	$self->unlink_save;
2022	$self->destroy;	2247	$self->destroy;
2023	}	2248	}
2024		2249
2025	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
2026		2251
2027	sub nuke {	2252	sub nuke {
2028	my ($self) = @_;	2253	my ($self) = @_;
2029		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
2030	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
2031		2259
2032	$self->unlink_save;	2260	$self->unlink_save;
2033		2261
2034	bless $self, "cf::map";	2262	bless $self, "cf::map";
2035	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2267
2040	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
2041		2270
2042	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
2043	}	2272	}
2044		2273
2045	=item $maps = cf::map::tmp_maps	2274	=item $maps = cf::map::tmp_maps
…		…
2087		2316
2088	sub unique_maps() {	2317	sub unique_maps() {
2089	[	2318	[
2090	map {	2319	map {
2091	utf8::decode $_;	2320	utf8::decode $_;
2092	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2093	? normalise $_	2324	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2326	]
2097	}	2327	}
2098		2328
2099	package cf;
2100
2101	=back	2329	=back
2102		2330
2103	=head3 cf::object	2331	=head3 cf::object
2104		2332
2105	=cut	2333	=cut
…		…
2108		2336
2109	=over 4	2337	=over 4
2110		2338
2111	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2112		2340
2113	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.
2114		2343
2115	=cut	2344	=cut
2116		2345
2117	sub inv_recursive_;	2346	sub inv_recursive_;
2118	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2121		2350
2122	sub inv_recursive {	2351	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2124	}	2353	}
2125		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
2126	package cf;	2383	package cf;
2127		2384
2128	=back	2385	=back
2129		2386
2130	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
2136	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>
2137	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
2138	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2139		2396
2140	=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	};
2141		2412
2142	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2414	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
2152		2423
2153	} else {	2424	} else {
2154	my $pl = $self->contr;	2425	my $pl = $self->contr;
2155		2426
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2430
2165	} else {	2431	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2434	}
2169	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
2170	}	2446	}
2171		2447
2172	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
2173		2449
2174	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
2187		2463
2188	=item $player_object->enter_link	2464	=item $player_object->enter_link
2189		2465
2190	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}>).
2191		2467
2192	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.
2193	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.
2194		2472
2195	Will never block.	2473	Will never block.
2196		2474
2197	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2198		2476
…		…
2253	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
2256		2534
2257	$map->load;	2535	$map->load;
2258	$map->load_diag;	2536	$map->load_neighbours;
2259		2537
2260	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2261	$self->activate_recursive;	2540	$self->activate_recursive;
2262		2541
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2265	}	2544	}
…		…
2270	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	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
2273	be called at the end of this process.	2552	be called at the end of this process.
2274		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
2275	=cut	2557	=cut
2276		2558
2277	our $GOTOGEN;	2559	our $GOTOGEN;
2278		2560
2279	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
…		…
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2566
2285	$self->enter_link;	2567	$self->enter_link;
2286		2568
2287	(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
2288	my $map = eval {	2591	my $map = eval {
2289	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
2290		2593
2291	if ($map) {	2594	if ($map) {
2292	$map = $map->customise_for ($self);	2595	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2596	$map = $check->($map) if $check && $map;
2294	} else {	2597	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2599	}
2297		2600
2298	$map	2601	$map
2299	};	2602	};
2300		2603
…		…
2336	}	2639	}
2337		2640
2338	sub prepare_random_map {	2641	sub prepare_random_map {
2339	my ($exit) = @_;	2642	my ($exit) = @_;
2340		2643
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2646	# that depends on the exit object
2346		2647
2347	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2650	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2354	}	2657	}
2355		2658
2356	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2357		2660
2358	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2361		2664
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2667	undef $fh;
2365	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2366		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2369	}	2676	}
2370	}	2677	}
2371		2678
2372	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2374		2681
2375	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2376		2683
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2684	$self->enter_link;
2389		2685
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2686	(async {
2395	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2396	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
2397	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2398		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
2399	1;	2710	1
2400	}) {	2711	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2716
2406	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2745	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2746	the message unless the client supports the msg packet.
2436		2747
2437	=cut	2748	=cut
2438		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" => $CHAT_CHANNEL,
		2850	);
		2851
2439	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2441		2854
2442	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2443		2857
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
2448	if (ref $channel) {	2867	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	2871	$self->ext_msg (channel_info => $channel);
2453	}	2872	}
2454		2873
2455	$channel = $channel->{id};	2874	$channel = $channel->{id};
2456	}	2875	}
2457		2876
2458	if ($self->can_msg) {	2877	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		2878
2471	if ($color >= 0) {	2879	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	2881	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2482	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2483		2902
2484	Sends an ext event to the client.	2903	Sends an ext event to the client.
2485		2904
2486	=cut	2905	=cut
2487		2906
2488	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2490		2909
2491	return unless $self->extcmd;	2910	if ($self->extcmd == 2) {
2492		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2493	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	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;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
2495	}	2934	}
2496		2935
2497	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2498		2937
2499	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
…		…
2554	my ($ns, $buf) = @_;	2993	my ($ns, $buf) = @_;
2555		2994
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		2996
2558	if (ref $msg) {	2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3005	if (my $cb = $EXTICMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3006	@reply = $cb->($ns, @payload);
2561	$reply{msgid} = $msg->{msgid};
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2563	}
2564	}	3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
2565	} else {	3012	} else {
2566	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";
2567	}	3014	}
2568		3015
2569	cf::override;	3016	cf::override;
…		…
2616	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2618		3065
2619	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2620		3067
2621	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2622		3073
2623	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2624		3075
2625	=pod	3076	=pod
2626		3077
2627	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2628		3079
2629	cf::object	3080	cf::object
2630	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
2631	insert remove	3082	insert remove name archname title slaying race decrease split
		3083	value
2632		3084
2633	cf::object::player	3085	cf::object::player
2634	player	3086	player
2635		3087
2636	cf::player	3088	cf::player
…		…
2641		3093
2642	=cut	3094	=cut
2643		3095
2644	for (	3096	for (
2645	["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
2646	insert remove)],	3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2650	) {	3103	) {
2651	no strict 'refs';	3104	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2670	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2671		3124
2672	my $qcode = $code;	3125	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2675		3130
2676	local $_;	3131	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2678		3133
2679	my $eval =	3134	my $eval =
…		…
2727	# the server's init and main functions	3182	# the server's init and main functions
2728		3183
2729	sub load_facedata($) {	3184	sub load_facedata($) {
2730	my ($path) = @_;	3185	my ($path) = @_;
2731		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
2732	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2733		3194
2734	my $facedata;	3195	my $facedata;
2735	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
2736	or die "$path: $!";	3197	or die "$path: $!";
…		…
2738	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2739		3200
2740	$facedata->{version} == 2	3201	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2742		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
2743	{	3211	{
2744	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2745		3213
2746	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2748	cf::face::set_visibility $idx, $info->{visibility};	3217	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2752		3221
2753	cf::cede_to_tick;	3222	cf::cede_to_tick;
2754	}	3223	}
2755		3224
2756	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2758	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2759	or next;	3229	or next;
		3230
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3234	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2781		3252
2782	{	3253	{
2783	# TODO: for gcfclient pleasure, we should give resources	3254	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.	3255	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3256	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3257
2788	while (my ($name, $info) = each %$res) {	3258	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3259	if (defined $info->{type}) {
2790	name => $name,
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
2796		3262
2797	if ($name =~ /\.jpg$/) {	3263	if ($info->{type} & 1) {
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3264	# prepend meta info
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
2800	} else {	3278	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3279	$RESOURCE{$name} = $info;
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3280	}
2807		3281
2808	cf::cede_to_tick;	3282	cf::cede_to_tick;
2809	}	3283	}
2810	}	3284	}
2811		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2812	1	3288	1
2813	}	3289	}
2814		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	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		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
2815	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
2816	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
2818		3336
2819	for (cf::region::list) {	3337	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3338	$_->{match} = qr/$_->{match}/
…		…
2828	}	3346	}
2829		3347
2830	sub reload_archetypes {	3348	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3350	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references
2834	# this really needs to be done in an extra post-pass
2835	# (which needs to be synchronous, so solve it differently)
2836	load_resource_file "$DATADIR/archetypes"
2837	or die "unable to load archetypes\n";
2838	}	3351	}
2839		3352
2840	sub reload_treasures {	3353	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
2843	}	3356	}
2844		3357
2845	sub reload_resources {	3358	sub reload_resources {
2846	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2847		3360
		3361	reload_facedata;
		3362	reload_archetypes;
2848	reload_regions;	3363	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3364	reload_treasures;
2853		3365
2854	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2855	}	3367	}
2856		3368
2857	sub init {	3369	sub reload_config {
2858	reload_resources;
2859	}
2860
2861	sub cfg_load {
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2863	or return;	3371	or return;
2864		3372
2865	local $/;	3373	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2867		3375
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2869		3377
2870	$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};
2871	$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};
…		…
2877	};	3385	};
2878	warn $@ if $@;	3386	warn $@ if $@;
2879	}	3387	}
2880	}	3388	}
2881		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
2882	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
2883	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2885	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#
2886	(async {	3436	(async {
2887	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2889	};	3440	};
2890		3441
2891	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2892	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
2893	load_extensions;	3460	load_extensions;
2894		3461
2895	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2896	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;
2897	}	3471	}
2898		3472
2899	#############################################################################	3473	#############################################################################
2900	# initialisation and cleanup	3474	# initialisation and cleanup
2901		3475
2902	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2903	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2912	},
2913	);	3482	};
2914	}	3483	}
2915	}	3484	}
2916		3485
2917	sub write_runtime {	3486	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";
2919
2920	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
2922		3489
2923	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3491
2925	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
2926		3493
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2928	or return;	3495	or return;
2929		3496
2930	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
2943		3510
2944	close $fh	3511	close $fh
2945	or return;	3512	or return;
2946		3513
2947	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	3515	and return;
2949		3516
2950	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
2951		3518
2952	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 };
2953	}	3570	}
2954		3571
2955	sub emergency_save() {	3572	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2957		3574
2958	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2959		3576
2960	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
2961	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	3591	$pl->save;
2969	}	3592	}
2970	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2971		3594
2972	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2973	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	3598	$map->valid or next;
2976	$map->save;	3599	$map->save;
2977	}	3600	}
2978	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2979		3602
2980	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2982	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";
2983	};	3610	};
2984		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
2985	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2986	}	3618	}
2987		3619
2988	sub post_cleanup {	3620	sub post_cleanup {
2989	my ($make_core) = @_;	3621	my ($make_core) = @_;
2990		3622
2991	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2992	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 $pkg\n";#d#
2993	}	3654	}
2994		3655
2995	sub do_reload_perl() {	3656	sub do_reload_perl() {
2996	# can/must only be called in main	3657	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2998	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2999	return;	3660	return;
3000	}	3661	}
3001		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3002	warn "reloading...";	3668	warn "reloading...";
3003		3669
3004	warn "entering sync_job";	3670	warn "entering sync_job";
3005		3671
3006	cf::sync_job {	3672	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3008	cf::emergency_save;	3674	cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3010		3676
3011	warn "syncing database to disk";	3677	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3013		3679
3014	# 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
3015		3681
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3027	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();
3035
3036	warn "removing commands";
3037	%COMMAND = ();
3038
3039	warn "removing ext/exti commands";
3040	%EXTCMD = ();
3041	%EXTICMD = ();
3042
3043	warn "unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";
3046
3047	if (my $cb = $pkg->can ("unload")) {
3048	eval {
3049	$cb->($pkg);
3050	1
3051	} or warn "$pkg unloaded, but with errors: $@";
3052	}	3685	}
3053		3686
3054	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3055	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3056	}	3689	%EXT_CORO = ();
3057		3690
3058	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3059	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3062	warn "... unloading $k";	3700	warn "... unloading $pkg";
3063	delete $INC{$k};
3064		3701
3065	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;
3067
3068	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3069	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3070	}	3711	}
3071		3712
3072	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 $k;
3073	}	3728	}
3074		3729
3075	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3077	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);
3078		3733
3079	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		3737
3083	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3084	# and global variables created in xs	3739	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3086		3741
3087	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3088		3743
3089	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3090	require cf;	3745	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3092		3747
3093	warn "loading config and database again";	3748	warn "loading config and database again";
3094	cf::cfg_load;	3749	cf::reload_config;
3095		3750
3096	warn "loading extensions";	3751	warn "loading extensions";
3097	cf::load_extensions;	3752	cf::load_extensions;
3098		3753
		3754	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3102	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3105		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3106	warn "leaving sync_job";	3766	warn "leaving sync_job";
3107		3767
3108	1	3768	1
3109	} or do {	3769	} or do {
3110	warn $@;	3770	warn $@;
3111	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3112	exit 1;
3113	};	3772	};
3114		3773
3115	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3116	};	3780	};
3117		3781
3118	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3119		3783
3120	sub reload_perl() {	3784	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3123		3787
3124	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	3790
3127	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	3792	do_reload_perl;
3130	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
3131	},	3794	};
3132	);	3795	};
3133	}	3796	}
3134		3797
3135	register_command "reload" => sub {	3798	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
3137		3800
3138	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	3805	reload_perl;
		3806	};
3141	}	3807	}
3142	};	3808	};
3143		3809
3144	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
3145		3811
…		…
3147		3813
3148	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
3150		3816
3151	sub wait_for_tick {	3817	sub wait_for_tick {
3152	return unless $TICK_WATCHER->is_active;
3153	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
3154		3819
3155	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
3156	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;	3822	$signal->wait;
3158	}	3823	}
3159		3824
3160	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
3161	return unless $TICK_WATCHER->is_active;
3162	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
3163		3827
3164	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	3830	$signal->wait;
3167	}	3831	}
3168		3832
3169	my $min = 1e6;#d#	3833	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
3181	return;	3837	return;
3182	}	3838	}
3183		3839
3184	$NOW = $tick_start = Event::time;
3185
3186	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
3187		3841
3188	0 && sync_job {#d#	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3189	for(1..10) {	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3190	my $t = Event::time;	3844	Coro::async_pool {
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3845	$Coro::current->{desc} = "runtime saver";
3192	or die;	3846	write_runtime_sync
3193		3847	or warn "ERROR: unable to write runtime file: $!";
3194	$map->width (50);
3195	$map->height (50);
3196	$map->alloc;
3197	$map->_load_objects ("/tmp/x.map", 1);
3198	my $t = Event::time - $t;
3199
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	3848	};
		3849	}
3210		3850
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	3852	$sig->send;
3227	}	3853	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
3229	$sig->send;	3855	$sig->send;
3230	}	3856	}
3231		3857
3232	$NOW = Event::time;	3858	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		3860
3243	_post_tick;	3861	if (0) {
3244		3862	if ($NEXT_TICK) {
3245		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
3246	},	3867	}
3247	);	3868	}
3248		3869
3249	{	3870	{
3250	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	3872
3252	reentrant => 0,
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3260		3874	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		3876
3276	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3277	$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);
3278		3884
3279	cf::sync_job {	3885	cf::sync_job {
3280	eval {	3886	eval {
3281	BDB::db_env_open	3887	BDB::db_env_open
3282	$DB_ENV,	3888	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	3892	0666;
3287		3893
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	3895	};
3293		3896
3294	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	3898	};
3296	}	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	};
3297	}	3910	}
3298		3911
3299	{	3912	{
		3913	# configure IO::AIO
		3914
3300	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	3918	}
3313		3919
3314	my $_log_backtrace;	3920	my $_log_backtrace;
3315		3921
3316	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3319	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3320		3926
3321	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3323	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3324	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
3325	my @bt = fork_call {	3934	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	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 |"
3329	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
3337	}	3946	}
3338		3947
3339	@funcs	3948	@funcs
3340	};	3949	};
3341		3950
3342	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	3954	--$_log_backtrace;
3345	};	3955	};
3346	} else {	3956	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3349	}	3959	}
3350	}	3960	}
3351		3961
3352	# load additional modules	3962	# load additional modules
3353	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3354		3964
3355	END { cf::emergency_save }	3965	END { cf::emergency_save }
3356		3966
3357	1	3967	1
3358		3968

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