ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		76
42	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
43		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		79
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		81
51	our %COMMAND = ();	82	our %COMMAND = ();
52	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	86	our %EXTCMD = ();
56	our %EXTICMD = ();	87	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
59		90
60	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	92	our @EVENT;
62		93
63	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	95	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
74		109
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	112	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
85		121
86	our %CFG;	122	our %CFG;
87		123
88	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
90		127
91	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
94		131
95	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		134
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
101		144
102	binmode STDOUT;	145	binmode STDOUT;
103	binmode STDERR;	146	binmode STDERR;
104		147
105	# read virtual server time, if available	148	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
110	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
111		156
112	mkdir $_	157	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		159
115	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
158		203
159	The raw value load value from the last tick.	204	The raw value load value from the last tick.
160		205
161	=item %cf::CFG	206	=item %cf::CFG
162		207
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	209	from wherever your confdir points to.
165		210
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		212
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	231	$msg .= "\n"
187	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
188		233
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		235
191	utf8::encode $msg;
192	LOG llevError, $msg;	236	LOG llevError, $msg;
193	};	237	};
194	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
195		254
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	265	for my $pkg (qw(
207	cf::global cf::attachable	266	cf::global cf::attachable
208	cf::object cf::object::player	267	cf::object cf::object::player
209	cf::client cf::player	268	cf::client cf::player
210	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
211	cf::map cf::party cf::region	271	cf::party cf::region
212	)) {	272	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	274	}
216		275
217	$Event::DIED = sub {	276	$EV::DIED = sub {
218	warn "error in event callback: @_";	277	warn "error in event callback: @_";
219	};	278	};
220		279
221	#############################################################################	280	#############################################################################
222		281
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	305	$d
247	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
248	}	307	}
249		308
250	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
251		310
252	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
253		312
254	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
255		314
256	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
257		316
258	=cut	317	=cut
259		318
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		320
262	sub to_json ($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
264		337
265	=item cf::lock_wait $string	338	=item cf::lock_wait $string
266		339
267	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
268		341
269	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
270		343
271	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
274	returned.	347	returned.
275		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
276	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
278		354
279	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
280		356
281	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
282		358
283	=cut	359	=cut
284		360
285	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
286		362
287	sub lock_wait($) {	363	sub lock_wait($) {
288	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	365	}
296		366
297	sub lock_acquire($) {	367	sub lock_acquire($) {
298	my ($key) = @_;	368	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	369	}
310		370
311	sub lock_active($) {	371	sub lock_active($) {
312	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	373	}
316		374
317	sub freeze_mainloop {	375	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
319		377
320	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	379	}
322	};	380
323	$TICK_WATCHER->stop;	381	=item cf::periodic $interval, $cb
324	$guard	382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
325	}	394	}
326		395
327	=item cf::get_slot $time[, $priority[, $name]]	396	=item cf::get_slot $time[, $priority[, $name]]
328		397
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	409	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	410	our $SLOT_QUEUE;
342		411
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
345	my $signal = new Coro::Signal;	416	my $signal = new Coro::Signal;
346		417
347	while () {	418	while () {
348	next_job:	419	next_job:
349	my $avail = cf::till_tick;	420	my $avail = cf::till_tick;
…		…
357	}	428	}
358	}	429	}
359	}	430	}
360		431
361	if (@SLOT_QUEUE) {	432	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	434	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	435	$signal->wait;
365	} else {	436	} else {
366	Coro::schedule;	437	Coro::schedule;
367	}	438	}
368	}	439	}
369	};	440	};
370		441
371	sub get_slot($;$$) {	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
372	my ($time, $pri, $name) = @_;	445	my ($time, $pri, $name) = @_;
373		446
374	$time = $TICK * .6 if $time > $TICK * .6;	447	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	448	my $sig = new Coro::Signal;
376		449
…		…
390		463
391	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
392		465
393	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
394		467
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	468	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	469	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	471	acceptable.
399		472
400	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		479
407	sub sync_job(&) {	480	sub sync_job(&) {
408	my ($job) = @_;	481	my ($job) = @_;
409		482
410	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	484	my $time = EV::time;
412		485
413	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
415		488
416	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	490
418	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
419		492
420	my $busy = 1;	493	my $busy = 1;
421	my @res;	494	my @res;
422		495
423	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	498	@res = eval { $job->() };
425	warn $@ if $@;	499	warn $@ if $@;
426	undef $busy;	500	undef $busy;
427	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
428		502
429	while ($busy) {	503	while ($busy) {
430	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
431	}	508	}
		509	}
432		510
433	$time = Event::time - $time;	511	my $time = EV::time - $time;
434		512
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
439		514
440	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
441	} else {	516	} else {
442	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
443		518
…		…
468	=item fork_call { }, $args	543	=item fork_call { }, $args
469		544
470	Executes the given code block with the given arguments in a seperate	545	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	546	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	547	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	548	never block itself or use any form of event handling.
474		549
475	=cut	550	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		551
486	sub fork_call(&@) {	552	sub fork_call(&@) {
487	my ($cb, @args) = @_;	553	my ($cb, @args) = @_;
488		554
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	555	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	556	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	557	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		558
494	if (my $pid = fork) {	559	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	560	reset_signals;
508	local $SIG{__WARN__};	561	&$cb
509	local $SIG{__DIE__};	562	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		563
516	eval {	564	wantarray ? @res : $res[-1]
517	close $fh1;	565	}
518		566
519	my @res = eval { $cb->(@args) };	567	=item $coin = coin_from_name $name
520		568
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	569	=cut
522	close $fh2;
523	};
524		570
525	warn $@ if $@;	571	our %coin_alias = (
526	_exit 0;	572	"silver" => "silvercoin",
527	}	573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
528	}	592	}
529		593
530	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
531		595
532	Returns a single value from the environment database.	596	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	598	=item cf::db_put $family => $key => $value
535		599
536	Stores the given C<$value> in the family. It can currently store binary	600	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
539	=cut	608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
540		626
541	our $DB;	627	our $DB;
542		628
543	sub db_init {	629	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	630	cf::sync_job {
548	eval {	631	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	632	};
558	}	633	}
559		634
560	sub db_get($$) {	635	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	636	my $key = "$_[0]/$_[1]";
562		637
…		…
612	if (1) {	687	if (1) {
613	$md5 =	688	$md5 =
614	join "\x00",	689	join "\x00",
615	$processversion,	690	$processversion,
616	map {	691	map {
617	Coro::cede;	692	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	693	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	694	} 0.. $#$src;
620		695
621		696
622	my $dbmd5 = db_get cache => "$id/md5";	697	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		735
661	#############################################################################	736	#############################################################################
662		737
663	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
664		739
665	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
668		743
669	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	746	Deliantra).
672		747
673	=over 4	748	=over 4
674		749
675	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
676		751
…		…
720	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
721		796
722	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
724		799
725	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
727		802
728	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
729		804
730	=over 4	805	=over 4
…		…
958	}	1033	}
959		1034
960	0	1035	0
961	}	1036	}
962		1037
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1039
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1041
967	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
968		1043
…		…
974		1049
975	=cut	1050	=cut
976		1051
977	#############################################################################	1052	#############################################################################
978	# object support	1053	# object support
979	#
980		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
981	sub _can_merge {	1088	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1089	my ($ob1, $ob2) = @_;
983		1090
984	local $Storable::canonical = 1;	1091	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1092
988	$fob1 eq $fob2	1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
989	}	1095	}
990		1096
991	sub reattach {	1097	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1099	my ($obj) = @_;
994		1100
		1101	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1103
997	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
998		1105
999	@$registry = ();	1106	@$registry = ();
1000		1107
…		…
1015	cf::attachable->attach (	1122	cf::attachable->attach (
1016	prio => -1000000,	1123	prio => -1000000,
1017	on_instantiate => sub {	1124	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
1019		1126
1020	$data = from_json $data;	1127	$data = decode_json $data;
1021		1128
1022	for (@$data) {	1129	for (@$data) {
1023	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
1024		1131
1025	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1148	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
1043		1150
1044	sync_job {	1151	sync_job {
1045	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1048		1156
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
1053	close $fh;	1164	aio_close $fh;
1054		1165
1055	if (@$objs) {	1166	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
1061	close $fh;	1175	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1177	}
1064	} else {	1178	} else {
1065	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1066	}	1180	}
1067		1181
1068	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1186	} else {
1070	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1071	}	1188	}
1072	} else {	1189	} else {
1073	aio_unlink $filename;	1190	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1075	}	1192	}
1076	}	1193	};
1077	}	1194	}
1078		1195
1079	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
1081		1198
…		…
1093	or return;	1210	or return;
1094		1211
1095	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1214	or return;
		1215
1098	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
1099	}	1218	}
1100		1219
		1220	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
1103	return ($data, $av);	1224	($data, $av)
1104	}	1225	}
1105		1226
1106	=head2 COMMAND CALLBACKS	1227	=head2 COMMAND CALLBACKS
1107		1228
1108	=over 4	1229	=over 4
…		…
1162	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1163		1284
1164	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1165	}	1286	}
1166		1287
		1288	use File::Glob ();
		1289
1167	cf::player->attach (	1290	cf::player->attach (
1168	on_command => sub {	1291	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1170		1293
1171	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1181	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1182		1305
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1307
1185	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
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1191	} else {	1323	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1325	}
1194		1326
1195	cf::override;	1327	cf::override;
1196	},	1328	},
1197	);	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	}
1198		1343
1199	sub load_extensions {	1344	sub load_extensions {
1200	cf::sync_job {	1345	cf::sync_job {
1201	my %todo;	1346	my %todo;
1202		1347
…		…
1222		1367
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1370
1226	$ext{source} =	1371	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1228	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1229	. $source	1374	. $source
1230	. "\n};\n1";	1375	. "\n};\n1";
1231		1376
1232	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1248	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1249	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1250		1395
1251	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1252	warn $msg;	1397	warn $msg;
1253	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1254	exit 1;
1255	}	1399	}
1256		1400
1257	warn $msg;	1401	warn $msg;
1258	}	1402	}
1259		1403
…		…
1273		1417
1274	=back	1418	=back
1275		1419
1276	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1277		1421
1278	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1279		1423
1280	=cut	1424	=cut
1281		1425
1282	package cf::player;	1426	package cf::player;
1283		1427
1284	use Coro::AIO;	1428	use Coro::AIO;
1285		1429
1286	=head3 cf::player	1430	=head3 cf::player
1287		1431
1288	=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	}
1289		1447
1290	=item cf::player::find $login	1448	=item cf::player::find $login
1291		1449
1292	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1293		1451
…		…
1312		1470
1313	sub exists($) {	1471	sub exists($) {
1314	my ($login) = @_;	1472	my ($login) = @_;
1315		1473
1316	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1318	}	1476	}
1319		1477
1320	sub find($) {	1478	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1480	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1491
1334	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1335	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;
1336	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1337	}	1501	}
1338	}	1502	}
1339	}	1503	}
1340		1504
…		…
1349	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1350		1514
1351	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1353		1517
		1518	cf::get_slot 0.01;
		1519
1354	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1355	Coro::cede;	1521	cf::cede_to_tick;
1356	}	1522	}
1357		1523
1358	sub new($) {	1524	sub new($) {
1359	my ($login) = @_;	1525	my ($login) = @_;
1360		1526
…		…
1366	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1367		1533
1368	$self	1534	$self
1369	}	1535	}
1370		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
1371	=item $pl->quit_character	1547	=item $pl->quit_character
1372		1548
1373	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1375		1551
…		…
1379	my ($pl) = @_;	1555	my ($pl) = @_;
1380		1556
1381	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1382		1558
1383	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1384	$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
1385		1561
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1390		1568
1391	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1428	or return [];	1606	or return [];
1429		1607
1430	my @logins;	1608	my @logins;
1431		1609
1432	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") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1436		1620
1437	utf8::decode $login;	1621	utf8::decode $login;
1438	push @logins, $login;	1622	push @logins, $login;
1439	}	1623	}
1440		1624
…		…
1467	}	1651	}
1468		1652
1469	\@paths	1653	\@paths
1470	}	1654	}
1471		1655
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1657
1474	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1475		1659
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1523		1661
1524	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1525		1663
1526	=cut	1664	=cut
1527		1665
1528	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1530		1668
1531	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1670	}
1534		1671
1535	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1536		1673
1537	Sends an ext event to the client.	1674	Sends an ext event to the client.
1538		1675
1539	=cut	1676	=cut
1540		1677
1541	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1543		1680
1544	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1545	}	1682	}
1546		1683
1547	=head3 cf::region	1684	=head3 cf::region
1548		1685
1549	=over 4	1686	=over 4
…		…
1593	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1595		1732
1596	sub generate_random_map {	1733	sub generate_random_map {
1597	my ($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
1598	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1739	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1724		1864
1725	# the temporary/swap location	1865	# the temporary/swap location
1726	sub save_path {	1866	sub save_path {
1727	my ($self) = @_;	1867	my ($self) = @_;
1728		1868
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1731	}	1871	}
1732		1872
1733	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1734	sub uniq_path {	1874	sub uniq_path {
1735	my ($self) = @_;	1875	my ($self) = @_;
1736		1876
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1739	}
1740
1741	# and all this just because we cannot iterate over
1742	# all maps in C++...
1743	sub change_all_map_light {
1744	my ($change) = @_;
1745
1746	$_->change_map_light ($change)
1747	for grep $_->outdoor, values %cf::MAP;
1748	}	1879	}
1749		1880
1750	sub decay_objects {	1881	sub decay_objects {
1751	my ($self) = @_;	1882	my ($self) = @_;
1752		1883
…		…
1765		1896
1766	sub load_header_from($) {	1897	sub load_header_from($) {
1767	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1768		1899
1769	utf8::encode $path;	1900	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	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;
1775		1909
1776	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1777		1911
1778	1	1912	1
1779	}	1913	}
…		…
1833	sub find {	1967	sub find {
1834	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1835		1969
1836	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1837		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1839		1974
1840	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1841	my $guard = cf::lock_acquire "map_find:$path";
1842	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1843	or return;	1977	or return;
1844		1978
1845	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1846		1980
…		…
1848	or return;	1982	or return;
1849		1983
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1853	$map->reset;	1989	$map->reset;
1854	undef $guard;
1855	return find $path;	1990	return find $path;
1856	}	1991	}
1857		1992
1858	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1859	}	1994	}
…		…
1868	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1869		2004
1870	my $path = $self->{path};	2005	my $path = $self->{path};
1871		2006
1872	{	2007	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1874		2009
		2010	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2012
1877	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1878		2014
1879	$self->alloc;	2015	$self->alloc;
1880		2016
1881	$self->pre_load;	2017	$self->pre_load;
1882	Coro::cede;	2018	cf::cede_to_tick;
1883		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1885	or return;	2023	or return;
1886		2024
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1888	if delete $self->{load_original};	2026	if delete $self->{load_original};
1889		2027
1890	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2029	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2032	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1895	}	2036	}
1896	}	2037	}
1897		2038
1898	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1899	# now do the right thing for maps	2042	# now do the right thing for maps
1900	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2045	unless $self->difficulty;
1903	Coro::cede;	2046	cf::cede_to_tick;
1904		2047
1905	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2049	$self->decay_objects;
1907	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1908	$self->update_buttons;	2051	$self->update_buttons;
1909	Coro::cede;	2052	cf::cede_to_tick;
1910	$self->set_darkness_map;
1911	Coro::cede;
1912	$self->activate;	2053	$self->activate;
1913	}	2054	}
1914		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2060	}
1917		2061
1918	$self->post_load;	2062	$self->post_load;
1919	}	2063	}
1920		2064
…		…
1929		2073
1930	$self	2074	$self
1931	}	2075	}
1932		2076
1933	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2078	sub load_neighbours {
1935	my ($map) = @_;	2079	my ($map) = @_;
1936		2080
1937	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1938		2082
1939	for (0 .. 3) {	2083	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1941	or next;	2085	or next;
1942	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1943	or next;	2087	or next;
1944	$neigh->load;	2088	$neigh->load;
1945		2089
		2090	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2093	}
1949		2094
1950	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1952	or next;	2098	or next;
1953	$neigh->load;	2099	$neigh->load;
1954	}	2100	}
1955	}	2101	}
1956		2102
…		…
1961	}	2107	}
1962		2108
1963	sub do_load_sync {	2109	sub do_load_sync {
1964	my ($map) = @_;	2110	my ($map) = @_;
1965		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1966	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1967	}	2116	}
1968		2117
1969	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1971		2120
1972	sub find_async {	2121	sub find_async {
1973	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1974		2123
1975	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1976		2125
1977	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2128	}
1980		2129
1981	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1982	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1983	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2137	if (my $map = find $k) {
1986	$map->load;	2138	$map->load if $v;
1987	}	2139	}
1988		2140
1989	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1990	}	2142	}
1991	}	2143	}
1992	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1993	};	2145	};
1994	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1997	}	2149	}
1998		2150
1999	sub save {	2151	sub save {
2000	my ($self) = @_;	2152	my ($self) = @_;
2001		2153
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2155
2004	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
2005		2157
2006	return unless $self->dirty;	2158	return unless $self->dirty;
2007		2159
…		…
2013	return if $self->{deny_save};	2165	return if $self->{deny_save};
2014		2166
2015	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
2016		2168
2017	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
2019	};	2172	};
		2173
		2174	cf::get_slot 0.02;
2020		2175
2021	if ($uniq) {	2176	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2179	} else {
…		…
2030	my ($self) = @_;	2185	my ($self) = @_;
2031		2186
2032	# save first because save cedes	2187	# save first because save cedes
2033	$self->save;	2188	$self->save;
2034		2189
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2191
2037	return if $self->players;	2192	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2194	return if $self->{deny_save};
2040		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2200	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2201	}
2044		2202
2045	sub reset_at {	2203	sub reset_at {
2046	my ($self) = @_;	2204	my ($self) = @_;
2047		2205
…		…
2079	if $uniq;	2237	if $uniq;
2080	}	2238	}
2081		2239
2082	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
2083		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2244	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2245
2088	$self->unlink_save;	2246	$self->unlink_save;
2089	$self->destroy;	2247	$self->destroy;
2090	}	2248	}
2091		2249
2092	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
2093		2251
2094	sub nuke {	2252	sub nuke {
2095	my ($self) = @_;	2253	my ($self) = @_;
2096		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
2097	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
2098		2259
2099	$self->unlink_save;	2260	$self->unlink_save;
2100		2261
2101	bless $self, "cf::map";	2262	bless $self, "cf::map";
2102	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2267
2107	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
2108		2270
2109	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
2110	}	2272	}
2111		2273
2112	=item $maps = cf::map::tmp_maps	2274	=item $maps = cf::map::tmp_maps
…		…
2154		2316
2155	sub unique_maps() {	2317	sub unique_maps() {
2156	[	2318	[
2157	map {	2319	map {
2158	utf8::decode $_;	2320	utf8::decode $_;
2159	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2160	? normalise $_	2324	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2326	]
2164	}	2327	}
2165		2328
2166	package cf;
2167
2168	=back	2329	=back
2169		2330
2170	=head3 cf::object	2331	=head3 cf::object
2171		2332
2172	=cut	2333	=cut
…		…
2175		2336
2176	=over 4	2337	=over 4
2177		2338
2178	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2179		2340
2180	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.
2181		2343
2182	=cut	2344	=cut
2183		2345
2184	sub inv_recursive_;	2346	sub inv_recursive_;
2185	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2188		2350
2189	sub inv_recursive {	2351	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2191	}	2353	}
2192		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
2193	package cf;	2383	package cf;
2194		2384
2195	=back	2385	=back
2196		2386
2197	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
2203	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>
2204	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
2205	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2206		2396
2207	=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	};
2208		2412
2209	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2414	# with dialog boxes.
2211	#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
2212	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
2219		2423
2220	} else {	2424	} else {
2221	my $pl = $self->contr;	2425	my $pl = $self->contr;
2222		2426
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2430
2232	} else {	2431	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2434	}
2236	}	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 (@_);
2237	}	2446	}
2238		2447
2239	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
2240		2449
2241	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
2254		2463
2255	=item $player_object->enter_link	2464	=item $player_object->enter_link
2256		2465
2257	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}>).
2258		2467
2259	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.
2260	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.
2261		2472
2262	Will never block.	2473	Will never block.
2263		2474
2264	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2265		2476
…		…
2320	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
2323		2534
2324	$map->load;	2535	$map->load;
2325	$map->load_diag;	2536	$map->load_neighbours;
2326		2537
2327	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2328	$self->activate_recursive;	2540	$self->activate_recursive;
2329		2541
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2332	}	2544	}
…		…
2337	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2338	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
2339	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
2340	be called at the end of this process.	2552	be called at the end of this process.
2341		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
2342	=cut	2557	=cut
2343		2558
2344	our $GOTOGEN;	2559	our $GOTOGEN;
2345		2560
2346	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
…		…
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2566
2352	$self->enter_link;	2567	$self->enter_link;
2353		2568
2354	(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
2355	my $map = eval {	2591	my $map = eval {
2356	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
2357		2593
2358	if ($map) {	2594	if ($map) {
2359	$map = $map->customise_for ($self);	2595	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2596	$map = $check->($map) if $check && $map;
2361	} else {	2597	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2599	}
2364		2600
2365	$map	2601	$map
2366	};	2602	};
2367		2603
…		…
2403	}	2639	}
2404		2640
2405	sub prepare_random_map {	2641	sub prepare_random_map {
2406	my ($exit) = @_;	2642	my ($exit) = @_;
2407		2643
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2646	# that depends on the exit object
2413		2647
2414	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2650	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2421	}	2657	}
2422		2658
2423	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2424		2660
2425	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2428		2664
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2667	undef $fh;
2432	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2433		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2436	}	2676	}
2437	}	2677	}
2438		2678
2439	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2441		2681
2442	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2443		2683
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2684	$self->enter_link;
2456		2685
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2686	(async {
2462	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2463	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
2464	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2465		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
2466	1;	2710	1
2467	}) {	2711	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "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. "
2470	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2716
2473	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2745	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2746	the message unless the client supports the msg packet.
2503		2747
2504	=cut	2748	=cut
2505		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" => $CHAT_CHANNEL,
		2850	);
		2851
2506	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2508		2854
2509	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2510		2857
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
2513	if (ref $channel) {	2867	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	2871	$self->ext_msg (channel_info => $channel);
2518	}	2872	}
2519		2873
2520	$channel = $channel->{id};	2874	$channel = $channel->{id};
2521	}	2875	}
2522		2876
2523	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2524		2878
2525	if ($self->can_msg) {	2879	# default colour, mask it out
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	} else {	2881	if $color & cf::NDI_DEF;
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		2882
2538	if ($color >= 0) {	2883	my $pkt = "msg "
2539	if (0 && $msg =~ /\[/) {	2884	. $self->{json_coder}->encode (
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	2886	);
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")
2544	}
2545	}
2546	}
2547	}
2548		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
2549	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2550		2902
2551	Sends an ext event to the client.	2903	Sends an ext event to the client.
2552		2904
2553	=cut	2905	=cut
2554		2906
2555	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2557		2909
2558	return unless $self->extcmd;	2910	if ($self->extcmd == 2) {
2559		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2561	$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	}
2562	}	2934	}
2563		2935
2564	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2565		2937
2566	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	2993	my ($ns, $buf) = @_;
2622		2994
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		2996
2625	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
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3005	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3006	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
2632	} else {	3012	} else {
2633	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";
2634	}	3014	}
2635		3015
2636	cf::override;	3016	cf::override;
…		…
2683	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2685		3065
2686	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2687		3067
2688	$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	));
2689		3073
2690	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2691		3075
2692	=pod	3076	=pod
2693		3077
2694	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2695		3079
2696	cf::object	3080	cf::object
2697	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
2698	insert remove	3082	insert remove name archname title slaying race decrease split
		3083	value
2699		3084
2700	cf::object::player	3085	cf::object::player
2701	player	3086	player
2702		3087
2703	cf::player	3088	cf::player
…		…
2708		3093
2709	=cut	3094	=cut
2710		3095
2711	for (	3096	for (
2712	["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
2713	insert remove)],	3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2714	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2716	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2717	) {	3103	) {
2718	no strict 'refs';	3104	no strict 'refs';
2719	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2720	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2737	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2738		3124
2739	my $qcode = $code;	3125	my $qcode = $code;
2740	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2741	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2742		3130
2743	local $_;	3131	local $_;
2744	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2745		3133
2746	my $eval =	3134	my $eval =
…		…
2794	# the server's init and main functions	3182	# the server's init and main functions
2795		3183
2796	sub load_facedata($) {	3184	sub load_facedata($) {
2797	my ($path) = @_;	3185	my ($path) = @_;
2798		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
2799	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2800		3194
2801	my $facedata;	3195	my $facedata;
2802	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
2803	or die "$path: $!";	3197	or die "$path: $!";
…		…
2805	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2806		3200
2807	$facedata->{version} == 2	3201	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		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
2810	{	3211	{
2811	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2812		3213
2813	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2815	cf::face::set_visibility $idx, $info->{visibility};	3217	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2819		3221
2820	cf::cede_to_tick;	3222	cf::cede_to_tick;
2821	}	3223	}
2822		3224
2823	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2825	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2826	or next;	3229	or next;
		3230
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3234	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2848		3252
2849	{	3253	{
2850	# TODO: for gcfclient pleasure, we should give resources	3254	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.	3255	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3256	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3257
2855	while (my ($name, $info) = each %$res) {	3258	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3259	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
2863		3262
2864	if ($name =~ /\.jpg$/) {	3263	if ($info->{type} & 1) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3264	# prepend meta info
2866	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};
2867	} else {	3278	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3279	$RESOURCE{$name} = $info;
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3280	}
2874		3281
2875	cf::cede_to_tick;	3282	cf::cede_to_tick;
2876	}	3283	}
2877	}	3284	}
2878		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2879	1	3288	1
2880	}	3289	}
2881		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
2882	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
2883	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
2885		3336
2886	for (cf::region::list) {	3337	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3338	$_->{match} = qr/$_->{match}/
…		…
2895	}	3346	}
2896		3347
2897	sub reload_archetypes {	3348	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3350	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3351	}
2906		3352
2907	sub reload_treasures {	3353	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
2910	}	3356	}
2911		3357
2912	sub reload_resources {	3358	sub reload_resources {
2913	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2914		3360
		3361	reload_facedata;
		3362	reload_archetypes;
2915	reload_regions;	3363	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3364	reload_treasures;
2920		3365
2921	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2922	}	3367	}
2923		3368
2924	sub init {	3369	sub reload_config {
2925	reload_resources;
2926	}
2927
2928	sub cfg_load {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3371	or return;
2931		3372
2932	local $/;	3373	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2934		3375
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2936		3377
2937	$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};
2938	$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};
…		…
2944	};	3385	};
2945	warn $@ if $@;	3386	warn $@ if $@;
2946	}	3387	}
2947	}	3388	}
2948		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
2949	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
2950	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2952	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#
2953	(async {	3436	(async {
2954	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2956	};	3440	};
2957		3441
2958	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2959	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
2960	load_extensions;	3460	load_extensions;
2961		3461
2962	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2963	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;
2964	}	3471	}
2965		3472
2966	#############################################################################	3473	#############################################################################
2967	# initialisation and cleanup	3474	# initialisation and cleanup
2968		3475
2969	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2970	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2979	},
2980	);	3482	};
2981	}	3483	}
2982	}	3484	}
2983		3485
2984	sub write_runtime {	3486	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";
2986
2987	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
2989		3489
2990	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3491
2992	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
2993		3493
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2995	or return;	3495	or return;
2996		3496
2997	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
3010		3510
3011	close $fh	3511	close $fh
3012	or return;	3512	or return;
3013		3513
3014	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3515	and return;
3016		3516
3017	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
3018		3518
3019	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 };
3020	}	3570	}
3021		3571
3022	sub emergency_save() {	3572	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
3024		3574
3025	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
3026		3576
3027	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
3028	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3591	$pl->save;
3036	}	3592	}
3037	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
3038		3594
3039	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3598	$map->valid or next;
3043	$map->save;	3599	$map->save;
3044	}	3600	}
3045	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
3046		3602
3047	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3049	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";
3050	};	3610	};
3051		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
3052	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
3053	}	3618	}
3054		3619
3055	sub post_cleanup {	3620	sub post_cleanup {
3056	my ($make_core) = @_;	3621	my ($make_core) = @_;
3057		3622
3058	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3059	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 $pkg\n";#d#
3060	}	3654	}
3061		3655
3062	sub do_reload_perl() {	3656	sub do_reload_perl() {
3063	# can/must only be called in main	3657	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3065	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3066	return;	3660	return;
3067	}	3661	}
3068		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3069	warn "reloading...";	3668	warn "reloading...";
3070		3669
3071	warn "entering sync_job";	3670	warn "entering sync_job";
3072		3671
3073	cf::sync_job {	3672	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3674	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3077		3676
3078	warn "syncing database to disk";	3677	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3679
3081	# 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
3082		3681
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3094	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();
3102
3103	warn "removing commands";
3104	%COMMAND = ();
3105
3106	warn "removing ext/exti commands";
3107	%EXTCMD = ();
3108	%EXTICMD = ();
3109
3110	warn "unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";
3113
3114	if (my $cb = $pkg->can ("unload")) {
3115	eval {
3116	$cb->($pkg);
3117	1
3118	} or warn "$pkg unloaded, but with errors: $@";
3119	}	3685	}
3120		3686
3121	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3122	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3123	}	3689	%EXT_CORO = ();
3124		3690
3125	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3126	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3129	warn "... unloading $k";	3700	warn "... unloading $pkg";
3130	delete $INC{$k};
3131		3701
3132	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;
3134
3135	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3136	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3137	}	3711	}
3138		3712
3139	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 $k;
3140	}	3728	}
3141		3729
3142	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3144	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);
3145		3733
3146	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3149		3737
3150	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3739	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3153		3741
3154	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3155		3743
3156	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3157	require cf;	3745	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3159		3747
3160	warn "loading config and database again";	3748	warn "loading config and database again";
3161	cf::cfg_load;	3749	cf::reload_config;
3162		3750
3163	warn "loading extensions";	3751	warn "loading extensions";
3164	cf::load_extensions;	3752	cf::load_extensions;
3165		3753
		3754	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3172		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3173	warn "leaving sync_job";	3766	warn "leaving sync_job";
3174		3767
3175	1	3768	1
3176	} or do {	3769	} or do {
3177	warn $@;	3770	warn $@;
3178	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3179	exit 1;
3180	};	3772	};
3181		3773
3182	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3183	};	3780	};
3184		3781
3185	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3186		3783
3187	sub reload_perl() {	3784	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3190		3787
3191	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	3790
3194	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	3792	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
3198	},	3794	};
3199	);	3795	};
3200	}	3796	}
3201		3797
3202	register_command "reload" => sub {	3798	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
3204		3800
3205	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3805	reload_perl;
		3806	};
3208	}	3807	}
3209	};	3808	};
3210		3809
3211	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
3212		3811
…		…
3214		3813
3215	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
3217		3816
3218	sub wait_for_tick {	3817	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
3221		3819
3222	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3822	$signal->wait;
3225	}	3823	}
3226		3824
3227	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
3230		3827
3231	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	3830	$signal->wait;
3234	}	3831	}
3235		3832
3236	my $min = 1e6;#d#	3833	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
3248	return;	3837	return;
3249	}	3838	}
3250		3839
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
3254		3841
3255	0 && sync_job {#d#	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	for(1..10) {	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	my $t = Event::time;	3844	Coro::async_pool {
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3845	$Coro::current->{desc} = "runtime saver";
3259	or die;	3846	write_runtime_sync
3260		3847	or warn "ERROR: unable to write runtime file: $!";
3261	$map->width (50);
3262	$map->height (50);
3263	$map->alloc;
3264	$map->_load_objects ("/tmp/x.map", 1);
3265	my $t = Event::time - $t;
3266
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	3848	};
		3849	}
3277		3850
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	3852	$sig->send;
3294	}	3853	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	3855	$sig->send;
3297	}	3856	}
3298		3857
3299	$NOW = Event::time;	3858	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		3860
3310	_post_tick;	3861	if (0) {
3311		3862	if ($NEXT_TICK) {
3312		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
3313	},	3867	}
3314	);	3868	}
3315		3869
3316	{	3870	{
3317	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	3872
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3327		3874	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		3876
3343	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3344	$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);
3345		3884
3346	cf::sync_job {	3885	cf::sync_job {
3347	eval {	3886	eval {
3348	BDB::db_env_open	3887	BDB::db_env_open
3349	$DB_ENV,	3888	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	3892	0666;
3354		3893
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	3895	};
3360		3896
3361	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	3898	};
3363	}	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	};
3364	}	3910	}
3365		3911
3366	{	3912	{
		3913	# configure IO::AIO
		3914
3367	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	3918	}
3380		3919
3381	my $_log_backtrace;	3920	my $_log_backtrace;
3382		3921
3383	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3386	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3387		3926
3388	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3391	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
3392	my @bt = fork_call {	3934	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	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 |"
3396	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
3404	}	3946	}
3405		3947
3406	@funcs	3948	@funcs
3407	};	3949	};
3408		3950
3409	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	3954	--$_log_backtrace;
3412	};	3955	};
3413	} else {	3956	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3415	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3416	}	3959	}
3417	}	3960	}
3418		3961
3419	# load additional modules	3962	# load additional modules
3420	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3421		3964
3422	END { cf::emergency_save }	3965	END { cf::emergency_save }
3423		3966
3424	1	3967	1
3425		3968

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines