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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.304 by root, Wed Jul 11 16:55:18 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 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 "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
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		68
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
48		87
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		89
51	our %COMMAND = ();	90	our %COMMAND = ();
52	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
…		…
58	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
59		98
60	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
61	our @EVENT;	100	our @EVENT;
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
74		117
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	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	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	120	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	126	our $DB_ENV;
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
101		145
102	binmode STDOUT;	146	binmode STDOUT;
103	binmode STDERR;	147	binmode STDERR;
104		148
105	# read virtual server time, if available	149	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
110	}	154	}
111		155
112	mkdir $_	156	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		202
159	The raw value load value from the last tick.	203	The raw value load value from the last tick.
160		204
161	=item %cf::CFG	205	=item %cf::CFG
162		206
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	208	from wherever your confdir points to.
165		209
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		211
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	213	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
172	=back	222	=back
173		223
174	=cut	224	=cut
175		225
176	BEGIN {	226	BEGIN {
…		…
180	$msg .= "\n"	230	$msg .= "\n"
181	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
182		232
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		234
185	utf8::encode $msg;
186	LOG llevError, $msg;	235	LOG llevError, $msg;
187	};	236	};
188	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
189		253
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	264	for my $pkg (qw(
201	cf::global cf::attachable	265	cf::global cf::attachable
202	cf::object cf::object::player	266	cf::object cf::object::player
203	cf::client cf::player	267	cf::client cf::player
204	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
205	cf::map cf::party cf::region	270	cf::party cf::region
206	)) {	271	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	273	}
210		274
211	$Event::DIED = sub {	275	$EV::DIED = sub {
212	warn "error in event callback: @_";	276	warn "error in event callback: @_";
213	};	277	};
214		278
215	#############################################################################	279	#############################################################################
216		280
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	304	$d
241	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
242	}	306	}
243		307
244	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
245		309
246	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
247		311
248	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
249		313
250	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
251		315
252	=cut	316	=cut
253		317
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		319
256	sub to_json ($) { $json_coder->encode ($_[0]) }	320	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	321	sub decode_json($) { $json_coder->decode ($_[0]) }
258		322
259	=item cf::lock_wait $string	323	=item cf::lock_wait $string
260		324
261	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
262		326
…		…
265	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
268	returned.	332	returned.
269		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
270	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
272		339
273	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
274		341
275	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
276		343
277	=cut	344	=cut
278		345
279	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
280		348
281	sub lock_wait($) {	349	sub lock_wait($) {
282	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
283		356
284	# wait for lock, if any	357	# wait for lock, if any
285	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	360	Coro::schedule;
…		…
293		366
294	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
295	lock_wait $key;	368	lock_wait $key;
296		369
297	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
298		372
299	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
302	}	377	}
303	}	378	}
304		379
…		…
307		382
308	! ! $LOCK{$key}	383	! ! $LOCK{$key}
309	}	384	}
310		385
311	sub freeze_mainloop {	386	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
313		388
314	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
315	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
316	};	450	}
317	$TICK_WATCHER->stop;	451	};
318	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
319	}	465	}
320		466
321	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
322		468
323	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		474
329	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
330		476
331	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
332		478
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	482	acceptable.
337		483
338	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		490
345	sub sync_job(&) {	491	sub sync_job(&) {
346	my ($job) = @_;	492	my ($job) = @_;
347		493
348	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	495	my $time = EV::time;
350		496
351	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
353		499
354	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	501
356	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
357		503
358	my $busy = 1;	504	my $busy = 1;
359	my @res;	505	my @res;
360		506
361	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	509	@res = eval { $job->() };
363	warn $@ if $@;	510	warn $@ if $@;
364	undef $busy;	511	undef $busy;
365	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
366		513
367	while ($busy) {	514	while ($busy) {
368	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
369	}	519	}
		520	}
370		521
371	$time = Event::time - $time;	522	my $time = EV::time - $time;
372		523
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
377		525
378	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
379	} else {	527	} else {
380	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
381		529
…		…
406	=item fork_call { }, $args	554	=item fork_call { }, $args
407		555
408	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
412		560
413	=cut	561	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		562
424	sub fork_call(&@) {	563	sub fork_call(&@) {
425	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
426		565
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	566	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		569
432	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	571	reset_signals;
446	local $SIG{__WARN__};	572	&$cb
447	local $SIG{__DIE__};	573	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		574
454	eval {	575	wantarray ? @res : $res[-1]
455	close $fh1;	576	}
456		577
457	my @res = eval { $cb->(@args) };	578	=item $coin = coin_from_name $name
458		579
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	580	=cut
460	close $fh2;
461	};
462		581
463	warn $@ if $@;	582	our %coin_alias = (
464	_exit 0;	583	"silver" => "silvercoin",
465	}	584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
466	}	603	}
467		604
468	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
469		606
470	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
473		610
474	Stores the given C<$value> in the family. It can currently store binary	611	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
477	=cut	619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
478		637
479	our $DB;	638	our $DB;
480		639
481	sub db_init {	640	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	641	cf::sync_job {
486	eval {	642	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	643	};
496	}	644	}
497		645
498	sub db_get($$) {	646	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
500		648
…		…
550	if (1) {	698	if (1) {
551	$md5 =	699	$md5 =
552	join "\x00",	700	join "\x00",
553	$processversion,	701	$processversion,
554	map {	702	map {
555	Coro::cede;	703	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	705	} 0.. $#$src;
558		706
559		707
560	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		746
599	#############################################################################	747	#############################################################################
600		748
601	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
602		750
603	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
606		754
607	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	757	Deliantra).
610		758
611	=over 4	759	=over 4
612		760
613	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
614		762
…		…
658	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
659		807
660	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
662		810
663	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
665		813
666	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
667		815
668	=over 4	816	=over 4
…		…
866	";	1014	";
867	die if $@;	1015	die if $@;
868	}	1016	}
869		1017
870	our $override;	1018	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1020
873	sub override {	1021	sub override {
874	$override = 1;	1022	$override = 1;
875	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
876	}	1024	}
877		1025
878	sub do_invoke {	1026	sub do_invoke {
879	my $event = shift;	1027	my $event = shift;
880	my $callbacks = shift;	1028	my $callbacks = shift;
881		1029
882	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
883		1031
884	local $override;	1032	local $override;
885		1033
886	for (@$callbacks) {	1034	for (@$callbacks) {
887	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
896	}	1044	}
897		1045
898	0	1046	0
899	}	1047	}
900		1048
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1050
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1052
905	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
906		1054
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1058
911	=back	1059	=back
912		1060
913	=cut	1061	=cut
914		1062
915	#############################################################################	1063	#############################################################################
916	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
917		1107
918	sub reattach {	1108	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1110	my ($obj) = @_;
921		1111
		1112	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1114
924	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
925		1116
926	@$registry = ();	1117	@$registry = ();
927		1118
…		…
942	cf::attachable->attach (	1133	cf::attachable->attach (
943	prio => -1000000,	1134	prio => -1000000,
944	on_instantiate => sub {	1135	on_instantiate => sub {
945	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
946		1137
947	$data = from_json $data;	1138	$data = decode_json $data;
948		1139
949	for (@$data) {	1140	for (@$data) {
950	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
951		1142
952	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1159	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
970		1161
971	sync_job {	1162	sync_job {
972	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
975		1167
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1172	aio_close $fh;
981		1173
982	if (@$objs) {	1174	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1180	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
990	}	1182	}
991	} else {	1183	} else {
992	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
993	}	1185	}
…		…
998	}	1190	}
999	} else {	1191	} else {
1000	aio_unlink $filename;	1192	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
1002	}	1194	}
1003	}	1195	};
1004	}	1196	}
1005		1197
1006	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
1008		1200
…		…
1020	or return;	1212	or return;
1021		1213
1022	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1216	or return;
		1217
1025	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1026	}	1220	}
1027		1221
		1222	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1030	return ($data, $av);	1226	($data, $av)
1031	}	1227	}
1032		1228
1033	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1034		1230
1035	=over 4	1231	=over 4
…		…
1108	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1109		1305
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1307
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1118	} else {	1323	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1325	}
1121		1326
1122	cf::override;	1327	cf::override;
…		…
1149		1354
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1357
1153	$ext{source} =	1358	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1156	. $source	1361	. $source
1157	. "\n};\n1";	1362	. "\n};\n1";
1158		1363
1159	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1177		1382
1178	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1384	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1386	}
1183		1387
1184	warn $msg;	1388	warn $msg;
1185	}	1389	}
1186		1390
…		…
1200		1404
1201	=back	1405	=back
1202		1406
1203	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1204		1408
1205	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1206		1410
1207	=cut	1411	=cut
1208		1412
1209	package cf::player;	1413	package cf::player;
1210		1414
1211	use Coro::AIO;	1415	use Coro::AIO;
1212		1416
1213	=head3 cf::player	1417	=head3 cf::player
1214		1418
1215	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1216		1434
1217	=item cf::player::find $login	1435	=item cf::player::find $login
1218		1436
1219	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1220		1438
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1478
1261	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1264	}	1488	}
1265	}	1489	}
1266	}	1490	}
1267		1491
…		…
1276	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1277		1501
1278	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1280		1504
		1505	cf::get_slot 0.01;
		1506
1281	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1282	Coro::cede;	1508	cf::cede_to_tick;
1283	}	1509	}
1284		1510
1285	sub new($) {	1511	sub new($) {
1286	my ($login) = @_;	1512	my ($login) = @_;
1287		1513
…		…
1293	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1294		1520
1295	$self	1521	$self
1296	}	1522	}
1297		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1298	=item $pl->quit_character	1534	=item $pl->quit_character
1299		1535
1300	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1302		1538
…		…
1306	my ($pl) = @_;	1542	my ($pl) = @_;
1307		1543
1308	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1309		1545
1310	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1548
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1317		1555
1318	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1593	or return [];
1356		1594
1357	my @logins;	1595	my @logins;
1358		1596
1359	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1363		1607
1364	utf8::decode $login;	1608	utf8::decode $login;
1365	push @logins, $login;	1609	push @logins, $login;
1366	}	1610	}
1367		1611
…		…
1394	}	1638	}
1395		1639
1396	\@paths	1640	\@paths
1397	}	1641	}
1398		1642
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1644
1401	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1402		1646
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1450		1648
1451	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1452		1650
1453	=cut	1651	=cut
1454		1652
1455	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1457		1655
1458	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1657	}
1461		1658
1462	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1463		1660
1464	Sends an ext event to the client.	1661	Sends an ext event to the client.
1465		1662
1466	=cut	1663	=cut
1467		1664
1468	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1470		1667
1471	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1472	}	1669	}
1473		1670
1474	=head3 cf::region	1671	=head3 cf::region
1475		1672
1476	=over 4	1673	=over 4
…		…
1520	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1522		1719
1523	sub generate_random_map {	1720	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1525	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1726	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1620	return $self;	1820	return $self;
1621	}	1821	}
1622	}	1822	}
1623		1823
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1825	()
1626	}	1826	}
1627		1827
1628	sub init {	1828	sub init {
1629	my ($self) = @_;	1829	my ($self) = @_;
…		…
1651		1851
1652	# the temporary/swap location	1852	# the temporary/swap location
1653	sub save_path {	1853	sub save_path {
1654	my ($self) = @_;	1854	my ($self) = @_;
1655		1855
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1658	}	1858	}
1659		1859
1660	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1661	sub uniq_path {	1861	sub uniq_path {
1662	my ($self) = @_;	1862	my ($self) = @_;
1663		1863
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1666	}	1866	}
1667		1867
1668	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1669	# all maps in C++...	1869	# all maps in C++...
…		…
1692		1892
1693	sub load_header_from($) {	1893	sub load_header_from($) {
1694	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1695		1895
1696	utf8::encode $path;	1896	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1702		1905
1703	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1704		1907
1705	1	1908	1
1706	}	1909	}
…		…
1760	sub find {	1963	sub find {
1761	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1762		1965
1763	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1764		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1766		1970
1767	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1768	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1769	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1770	or return;	1976	or return;
1771		1977
1772	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1773		1979
…		…
1775	or return;	1981	or return;
1776		1982
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1780	$map->reset;	1988	$map->reset;
1781	undef $guard;
1782	return find $path;	1989	return find $path;
1783	}	1990	}
1784		1991
1785	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1786	}	1993	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1796		2003
1797	my $path = $self->{path};	2004	my $path = $self->{path};
1798		2005
1799	{	2006	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1801		2008
		2009	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2011
1804	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1805		2013
1806	$self->alloc;	2014	$self->alloc;
1807		2015
1808	$self->pre_load;	2016	$self->pre_load;
1809	Coro::cede;	2017	cf::cede_to_tick;
1810		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1812	or return;	2022	or return;
1813		2023
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1815	if delete $self->{load_original};	2025	if delete $self->{load_original};
1816		2026
1817	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2028	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2031	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1822	}	2035	}
1823	}	2036	}
1824		2037
1825	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1826	# now do the right thing for maps	2041	# now do the right thing for maps
1827	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2044	unless $self->difficulty;
1830	Coro::cede;	2045	cf::cede_to_tick;
1831		2046
1832	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2048	$self->decay_objects;
1834	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1835	$self->update_buttons;	2050	$self->update_buttons;
1836	Coro::cede;	2051	cf::cede_to_tick;
1837	$self->set_darkness_map;	2052	$self->set_darkness_map;
1838	Coro::cede;	2053	cf::cede_to_tick;
1839	$self->activate;	2054	$self->activate;
1840	}	2055	}
1841		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2061	}
1844		2062
1845	$self->post_load;	2063	$self->post_load;
1846	}	2064	}
1847		2065
…		…
1856		2074
1857	$self	2075	$self
1858	}	2076	}
1859		2077
1860	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2079	sub load_neighbours {
1862	my ($map) = @_;	2080	my ($map) = @_;
1863		2081
1864	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1865		2083
1866	for (0 .. 3) {	2084	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1868	or next;	2086	or next;
1869	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1870	or next;	2088	or next;
1871	$neigh->load;	2089	$neigh->load;
1872		2090
		2091	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2094	}
1876		2095
1877	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1879	or next;	2099	or next;
1880	$neigh->load;	2100	$neigh->load;
1881	}	2101	}
1882	}	2102	}
1883		2103
…		…
1888	}	2108	}
1889		2109
1890	sub do_load_sync {	2110	sub do_load_sync {
1891	my ($map) = @_;	2111	my ($map) = @_;
1892		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1893	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1894	}	2117	}
1895		2118
1896	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1898		2121
1899	sub find_async {	2122	sub find_async {
1900	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1901		2124
1902	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1903		2126
1904	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2129	}
1907		2130
1908	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1909	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1910	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2138	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2139	$map->load if $v;
		2140	}
1915		2141
1916	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1917	}	2143	}
1918	}	2144	}
1919	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1920	};	2146	};
1921	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2150	}
1925		2151
1926	sub save {	2152	sub save {
1927	my ($self) = @_;	2153	my ($self) = @_;
1928		2154
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2156
1931	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1932		2158
1933	return unless $self->dirty;	2159	return unless $self->dirty;
1934		2160
…		…
1940	return if $self->{deny_save};	2166	return if $self->{deny_save};
1941		2167
1942	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1943		2169
1944	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1946	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1947		2176
1948	if ($uniq) {	2177	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2180	} else {
…		…
1957	my ($self) = @_;	2186	my ($self) = @_;
1958		2187
1959	# save first because save cedes	2188	# save first because save cedes
1960	$self->save;	2189	$self->save;
1961		2190
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2192
1964	return if $self->players;	2193	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2195	return if $self->{deny_save};
1967		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2201	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2202	}
1971		2203
1972	sub reset_at {	2204	sub reset_at {
1973	my ($self) = @_;	2205	my ($self) = @_;
1974		2206
…		…
2006	if $uniq;	2238	if $uniq;
2007	}	2239	}
2008		2240
2009	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
2010		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2245	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2246
2015	$self->unlink_save;	2247	$self->unlink_save;
2016	$self->destroy;	2248	$self->destroy;
2017	}	2249	}
2018		2250
2019	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
2020		2252
2021	sub nuke {	2253	sub nuke {
2022	my ($self) = @_;	2254	my ($self) = @_;
2023		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
2024	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
2025		2260
2026	$self->unlink_save;	2261	$self->unlink_save;
2027		2262
2028	bless $self, "cf::map";	2263	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2268
2034	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
2035		2271
2036	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
2037	}	2273	}
2038		2274
2039	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2081		2317
2082	sub unique_maps() {	2318	sub unique_maps() {
2083	[	2319	[
2084	map {	2320	map {
2085	utf8::decode $_;	2321	utf8::decode $_;
2086	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2087	? normalise $_	2325	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2327	]
2091	}	2328	}
2092		2329
2093	package cf;
2094
2095	=back	2330	=back
2096		2331
2097	=head3 cf::object	2332	=head3 cf::object
2098		2333
2099	=cut	2334	=cut
…		…
2102		2337
2103	=over 4	2338	=over 4
2104		2339
2105	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2106		2341
2107	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2108		2344
2109	=cut	2345	=cut
2110		2346
2111	sub inv_recursive_;	2347	sub inv_recursive_;
2112	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2115		2351
2116	sub inv_recursive {	2352	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2118	}	2354	}
2119		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
2120	package cf;	2384	package cf;
2121		2385
2122	=back	2386	=back
2123		2387
2124	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2133		2397
2134	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
2135		2413
2136	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2415	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2146		2424
2147	} else {	2425	} else {
2148	my $pl = $self->contr;	2426	my $pl = $self->contr;
2149		2427
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2431
2159	} else {	2432	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2435	}
2163	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
2164	}	2447	}
2165		2448
2166	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2167		2450
2168	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2181		2464
2182	=item $player_object->enter_link	2465	=item $player_object->enter_link
2183		2466
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2468
2186	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2188		2473
2189	Will never block.	2474	Will never block.
2190		2475
2191	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2192		2477
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2250		2535
2251	$map->load;	2536	$map->load;
2252	$map->load_diag;	2537	$map->load_neighbours;
2253		2538
2254	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2541	$self->activate_recursive;
2256		2542
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2259	}	2545	}
2260		2546
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2548
2263	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2552	the new (success) or old (failed) map position. In either case, $done will
		2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2267		2557
2268	=cut	2558	=cut
2269		2559
2270	our $GOTOGEN;	2560	our $GOTOGEN;
2271		2561
2272	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2564
2275	# do generation counting so two concurrent goto's will be executed in-order	2565	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2567
2278	$self->enter_link;	2568	$self->enter_link;
2279		2569
2280	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2281	my $map = eval {	2592	my $map = eval {
2282	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2283		2594
2284	if ($map) {	2595	if ($map) {
2285	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2287	} else {	2598	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2600	}
2290		2601
2291	$map	2602	$map
2292	};	2603	};
2293		2604
…		…
2298		2609
2299	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2302	}	2613	}
		2614
		2615	$done->() if $done;
2303	})->prio (1);	2616	})->prio (1);
2304	}	2617	}
2305		2618
2306	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2307		2620
…		…
2327	}	2640	}
2328		2641
2329	sub prepare_random_map {	2642	sub prepare_random_map {
2330	my ($exit) = @_;	2643	my ($exit) = @_;
2331		2644
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2647	# that depends on the exit object
2337		2648
2338	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2651	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2345	}	2658	}
2346		2659
2347	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2348		2661
2349	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2352		2665
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2668	undef $fh;
2356	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2357		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2360	}	2677	}
2361	}	2678	}
2362		2679
2363	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2365		2682
2366	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2367		2684
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2685	$self->enter_link;
2380		2686
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2687	(async {
2386	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2387	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2388	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2389		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2390	1;	2711	1
2391	}) {	2712	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2717
2397	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2416		2737
2417	utf8::encode $text;	2738	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2740	}
2420		2741
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2743
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2427		2748
2428	=cut	2749	=cut
2429		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2430	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2811
2433	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
2434		2836
2435	return unless @extra || length $msg;	2837	return unless @extra || length $msg;
2436		2838
2437	if ($self->can_msg) {	2839	if ($self->can_msg) {
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
2439	} else {	2860	} else {
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449
2450	if ($color >= 0) {	2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
2451	if (0 && $msg =~ /\[/) {	2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2453	} else {	2879	} else {
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")	2881	$self->send_packet ("drawinfo $color $msg")
2456	}	2882	}
2457	}	2883	}
2458	}	2884	}
2459	}	2885	}
2460		2886
2461	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2462		2888
2463	Sends an ext event to the client.	2889	Sends an ext event to the client.
2464		2890
2465	=cut	2891	=cut
2466		2892
2467	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2469		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2472	}	2920	}
2473		2921
2474	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2475		2923
2476	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	2979	my ($ns, $buf) = @_;
2532		2980
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		2982
2535	if (ref $msg) {	2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2991	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	2992	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
2542	} else {	2998	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3000	}
2545		3001
2546	cf::override;	3002	cf::override;
…		…
2593	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2595		3051
2596	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2597		3053
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2599		3059
2600	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2601		3061
2602	=pod	3062	=pod
2603		3063
2604	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2605		3065
2606	cf::object	3066	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3067	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3068	insert remove name archname title slaying race decrease split
2609		3069
2610	cf::object::player	3070	cf::object::player
2611	player	3071	player
2612		3072
2613	cf::player	3073	cf::player
…		…
2618		3078
2619	=cut	3079	=cut
2620		3080
2621	for (	3081	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2624	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2626	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2627	) {	3088	) {
2628	no strict 'refs';	3089	no strict 'refs';
…		…
2704	# the server's init and main functions	3165	# the server's init and main functions
2705		3166
2706	sub load_facedata($) {	3167	sub load_facedata($) {
2707	my ($path) = @_;	3168	my ($path) = @_;
2708		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
2709	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2710		3177
2711	my $facedata;	3178	my $facedata;
2712	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3180	or die "$path: $!";
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2716		3183
2717	$facedata->{version} == 2	3184	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2720	{	3194	{
2721	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2722		3196
2723	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2725	cf::face::set_visibility $idx, $info->{visibility};	3200	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3201	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2729		3204
2730	cf::cede_to_tick;	3205	cf::cede_to_tick;
2731	}	3206	}
2732		3207
2733	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2735	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2736	or next;	3212	or next;
		3213
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3217	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2758		3235
2759	{	3236	{
2760	# TODO: for gcfclient pleasure, we should give resources	3237	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.	3238	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3239	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3240
2765	while (my ($name, $info) = each %$res) {	3241	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3242	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2775	cf::face::set_type $idx, 1;	3260	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
2777		3264
2778	cf::cede_to_tick;	3265	cf::cede_to_tick;
2779	}	3266	}
2780	}	3267	}
2781		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2782	1	3271	1
2783	}	3272	}
2784		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2785	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2786	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
2788		3319
2789	for (cf::region::list) {	3320	for (cf::region::list) {
2790	$_->{match} = qr/$_->{match}/	3321	$_->{match} = qr/$_->{match}/
…		…
2798	}	3329	}
2799		3330
2800	sub reload_archetypes {	3331	sub reload_archetypes {
2801	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
2803	#d# NEED to laod twice to resolve forward references
2804	# this really needs to be done in an extra post-pass
2805	# (which needs to be synchronous, so solve it differently)
2806	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";
2808	}	3334	}
2809		3335
2810	sub reload_treasures {	3336	sub reload_treasures {
2811	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
2812	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
2813	}	3339	}
2814		3340
2815	sub reload_resources {	3341	sub reload_resources {
2816	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2817		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2818	reload_regions;	3346	reload_regions;
2819	reload_facedata;
2820	#reload_archetypes;#d#
2821	reload_archetypes;
2822	reload_treasures;	3347	reload_treasures;
2823		3348
2824	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2825	}	3350	}
2826		3351
2827	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2828	reload_resources;	3357	reload_resources;
2829	}	3358	}
2830		3359
2831	sub cfg_load {	3360	sub reload_config {
2832	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2833	or return;	3362	or return;
2834		3363
2835	local $/;	3364	local $/;
2836	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2837		3366
2838	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2839		3368
2840	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2841	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2847	};	3376	};
2848	warn $@ if $@;	3377	warn $@ if $@;
2849	}	3378	}
2850	}	3379	}
2851		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2852	sub main {	3400	sub main {
		3401	atomic;
		3402
2853	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2854	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2855	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2856	(async {	3406	(async {
2857	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2858	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2859	};	3410	};
2860		3411
2861	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2862	db_init;	3415	db_init;
2863	load_extensions;	3416	load_extensions;
2864		3417
2865	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2866	Event::loop;	3426	EV::loop;
2867	}	3427	}
2868		3428
2869	#############################################################################	3429	#############################################################################
2870	# initialisation and cleanup	3430	# initialisation and cleanup
2871		3431
2872	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2873	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2874	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2875	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2876	reentrant => 0,
2877	data => WF_AUTOCANCEL,
2878	signal => $signal,
2879	prio => 0,
2880	cb => sub {
2881	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2882	},
2883	);	3438	};
2884	}	3439	}
2885	}	3440	}
2886		3441
2887	sub write_runtime {	3442	sub write_runtime_sync {
2888	my $runtime = "$LOCALDIR/runtime";
2889
2890	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
2891	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
2892		3445
2893	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2894		3447
2895	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
2896		3449
2897	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2898	or return;	3451	or return;
2899		3452
2900	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
2901	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
2902	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
2912	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
2913		3466
2914	close $fh	3467	close $fh
2915	or return;	3468	or return;
2916		3469
2917	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2918	and return;	3471	and return;
2919		3472
2920	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
2921		3474
2922	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2923	}	3519	}
2924		3520
2925	sub emergency_save() {	3521	sub emergency_save() {
2926	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2927		3523
…		…
2933	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2934	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2935	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2936	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2937	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2938	$pl->save;	3535	$pl->save;
2939	}	3536	}
2940	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2941		3538
2942	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2948	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2949		3546
2950	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2951	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2952	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2953	};	3554	};
2954		3555
2955	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2956	}	3557	}
2957		3558
2958	sub post_cleanup {	3559	sub post_cleanup {
2959	my ($make_core) = @_;	3560	my ($make_core) = @_;
2960		3561
2961	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2962	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2963	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
2964		3596
2965	sub do_reload_perl() {	3597	sub do_reload_perl() {
2966	# can/must only be called in main	3598	# can/must only be called in main
2967	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2968	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2969	return;	3601	return;
2970	}	3602	}
2971		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2972	warn "reloading...";	3607	warn "reloading...";
2973		3608
2974	warn "entering sync_job";	3609	warn "entering sync_job";
2975		3610
2976	cf::sync_job {	3611	cf::sync_job {
2977	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2978	cf::emergency_save;	3613	cf::emergency_save;
2979	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2980		3615
2981	warn "syncing database to disk";	3616	warn "syncing database to disk";
2982	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2983		3618
2984	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2985		3620
2986	warn "cancelling all WF_AUTOCANCEL watchers";
2987	for (Event::all_watchers) {
2988	$_->cancel if $_->data & WF_AUTOCANCEL;
2989	}
2990
2991	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2992	for (;;) {
2993	BDB::flush;
2994	IO::AIO::flush;
2995	Coro::cede;
2996	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2997	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2998	}
2999
3000	++$RELOAD;
3001
3002	warn "cancelling all extension coros";
3003	$_->cancel for values %EXT_CORO;
3004	%EXT_CORO = ();
3005
3006	warn "removing commands";
3007	%COMMAND = ();
3008
3009	warn "removing ext/exti commands";
3010	%EXTCMD = ();
3011	%EXTICMD = ();
3012
3013	warn "unloading/nuking all extensions";
3014	for my $pkg (@EXTS) {
3015	warn "... unloading $pkg";
3016
3017	if (my $cb = $pkg->can ("unload")) {
3018	eval {
3019	$cb->($pkg);
3020	1
3021	} or warn "$pkg unloaded, but with errors: $@";
3022	}	3624	}
3023		3625
3024	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
3025	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
3026	}	3628	%EXT_CORO = ();
3027		3629
3028	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
3029	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
3030	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3031		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
3032	warn "... unloading $k";	3639	warn "... unloading $pkg";
3033	delete $INC{$k};
3034		3640
3035	$k =~ s/\.pm$//;
3036	$k =~ s/\//::/g;
3037
3038	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3039	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3040	}	3650	}
3041		3651
3042	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
3043	}	3667	}
3044		3668
3045	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3046	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3047	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3048		3672
3049	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3050	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3051	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3052		3676
3053	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3054	# and global variables created in xs	3678	# and global variables created in xs
3055	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3056		3680
3057	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3058		3682
3059	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3060	require cf;	3684	require cf;
3061	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3062		3686
3063	warn "loading config and database again";	3687	warn "loading config and database again";
3064	cf::cfg_load;	3688	cf::reload_config;
3065		3689
3066	warn "loading extensions";	3690	warn "loading extensions";
3067	cf::load_extensions;	3691	cf::load_extensions;
3068		3692
3069	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3070	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3071	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3072	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3073	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3074	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3075		3699
3076	warn "leaving sync_job";	3700	warn "leaving sync_job";
3077		3701
3078	1	3702	1
3079	} or do {	3703	} or do {
3080	warn $@;	3704	warn $@;
3081	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3082	exit 1;
3083	};	3706	};
3084		3707
3085	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3086	};	3711	};
3087		3712
3088	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3089		3714
3090	sub reload_perl() {	3715	sub reload_perl() {
3091	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3092	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3093		3718
3094	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3095	reentrant => 0,
3096	after => 0,
3097	data => WF_AUTOCANCEL,
3098	cb => sub {
3099	do_reload_perl;	3720	do_reload_perl;
3100	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3101	},
3102	);	3722	};
3103	}	3723	}
3104		3724
3105	register_command "reload" => sub {	3725	register_command "reload" => sub {
3106	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3107		3727
3108	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3109	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3110	async { reload_perl };	3732	reload_perl;
		3733	};
3111	}	3734	}
3112	};	3735	};
3113		3736
3114	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3115		3738
…		…
3117		3740
3118	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3119	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3120		3743
3121	sub wait_for_tick {	3744	sub wait_for_tick {
3122	return unless $TICK_WATCHER->is_active;
3123	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3124		3746
3125	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3126	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3127	$signal->wait;	3749	$signal->wait;
3128	}	3750	}
3129		3751
3130	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3131	return unless $TICK_WATCHER->is_active;
3132	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3133		3754
3134	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3135	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3136	$signal->wait;	3757	$signal->wait;
3137	}	3758	}
3138		3759
3139	my $min = 1e6;#d#	3760	sub tick {
3140	my $avg = 10;
3141	$TICK_WATCHER = Event->timer (
3142	reentrant => 0,
3143	parked => 1,
3144	prio => 0,
3145	at => $NEXT_TICK || $TICK,
3146	data => WF_AUTOCANCEL,
3147	cb => sub {
3148	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3149	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3150	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3151	return;	3764	return;
3152	}	3765	}
3153		3766
3154	$NOW = $tick_start = Event::time;
3155
3156	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3157		3768
3158	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3159	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3160	my $t = Event::time;	3771	Coro::async_pool {
3161	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3162	or die;	3773	write_runtime_sync
3163		3774	or warn "ERROR: unable to write runtime file: $!";
3164	$map->width (50);
3165	$map->height (50);
3166	$map->alloc;
3167	$map->_load_objects ("/tmp/x.map", 1);
3168	my $t = Event::time - $t;
3169
3170	#next unless $t < 0.0013;#d#
3171	if ($t < $min) {
3172	$min = $t;
3173	}
3174	$avg = $avg * 0.99 + $t * 0.01;
3175	}
3176	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3177	exit 0;
3178	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3179	};	3775	};
		3776	}
3180		3777
3181	$RUNTIME += $TICK;
3182	$NEXT_TICK += $TICK;
3183
3184	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3185	$NEXT_RUNTIME_WRITE = $NOW + 10;
3186	Coro::async_pool {
3187	write_runtime
3188	or warn "ERROR: unable to write runtime file: $!";
3189	};
3190	}
3191
3192	# my $AFTER = Event::time;
3193	# warn $AFTER - $NOW;#d#
3194
3195	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3196	$sig->send;	3779	$sig->send;
3197	}	3780	}
3198	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3199	$sig->send;	3782	$sig->send;
3200	}	3783	}
3201		3784
3202	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3203
3204	# if we are delayed by four ticks or more, skip them all
3205	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3206
3207	$TICK_WATCHER->at ($NEXT_TICK);
3208	$TICK_WATCHER->start;
3209
3210	$LOAD = ($NOW - $tick_start) / $TICK;
3211	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3212		3787
3213	_post_tick;	3788	if (0) {
3214		3789	if ($NEXT_TICK) {
3215		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3216	},	3794	}
3217	);	3795	}
3218		3796
3219	{	3797	{
3220	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3221	$BDB_POLL_WATCHER = Event->io (	3799
3222	reentrant => 0,
3223	fd => BDB::poll_fileno,
3224	poll => 'r',
3225	prio => 0,
3226	data => WF_AUTOCANCEL,
3227	cb => \&BDB::poll_cb,
3228	);
3229	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3230		3801	BDB::max_poll_reqs $TICK * 0.1;
3231	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3232	my $status;
3233	my $current = $Coro::current;
3234	(
3235	sub {
3236	$status = $!;
3237	$current->ready; undef $current;
3238	},
3239	sub {
3240	Coro::schedule while defined $current;
3241	$! = $status;
3242	},
3243	)
3244	};
3245		3803
3246	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3247	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3248		3811
3249	cf::sync_job {	3812	cf::sync_job {
3250	eval {	3813	eval {
3251	BDB::db_env_open	3814	BDB::db_env_open
3252	$DB_ENV,	3815	$DB_ENV,
…		…
3254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3256	0666;	3819	0666;
3257		3820
3258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3259
3260	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3261	$DB_ENV->set_lk_detect;
3262	};	3822	};
3263		3823
3264	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3265	};	3825	};
3266	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
3267	}	3837	}
3268		3838
3269	{	3839	{
		3840	# configure IO::AIO
		3841
3270	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3271
3272	undef $Coro::AIO::WATCHER;
3273	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3274	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3275	reentrant => 0,
3276	data => WF_AUTOCANCEL,
3277	fd => IO::AIO::poll_fileno,
3278	poll => 'r',
3279	prio => 6,
3280	cb => \&IO::AIO::poll_cb,
3281	);
3282	}	3845	}
3283		3846
3284	my $_log_backtrace;	3847	my $_log_backtrace;
3285		3848
3286	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3289	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3290		3853
3291	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3292	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3293	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3294	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3295	my @bt = fork_call {	3861	my @bt = fork_call {
3296	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3297	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3298	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3299	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3307	}	3873	}
3308		3874
3309	@funcs	3875	@funcs
3310	};	3876	};
3311		3877
3312	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3313	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3314	--$_log_backtrace;	3881	--$_log_backtrace;
3315	};	3882	};
3316	} else {	3883	} else {
3317	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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