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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 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;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	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
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45		68
46	$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	}
47		87
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		89
50	our %COMMAND = ();	90	our %COMMAND = ();
51	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
…		…
57	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
58		98
59	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
60	our @EVENT;	100	our @EVENT;
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	103	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
73		117
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	120	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	126	our $DB_ENV;
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
100		145
101	binmode STDOUT;	146	binmode STDOUT;
102	binmode STDERR;	147	binmode STDERR;
103		148
104	# read virtual server time, if available	149	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
109	}	154	}
110		155
111	mkdir $_	156	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		202
158	The raw value load value from the last tick.	203	The raw value load value from the last tick.
159		204
160	=item %cf::CFG	205	=item %cf::CFG
161		206
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	208	from wherever your confdir points to.
164		209
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		211
167	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
168	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
169	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.
170		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
171	=back	222	=back
172		223
173	=cut	224	=cut
174		225
175	BEGIN {	226	BEGIN {
…		…
179	$msg .= "\n"	230	$msg .= "\n"
180	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
181		232
182	$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;
183		234
184	utf8::encode $msg;
185	LOG llevError, $msg;	235	LOG llevError, $msg;
186	};	236	};
187	}	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#?
188		253
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	264	for my $pkg (qw(
200	cf::global cf::attachable	265	cf::global cf::attachable
201	cf::object cf::object::player	266	cf::object cf::object::player
202	cf::client cf::player	267	cf::client cf::player
203	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
204	cf::map cf::party cf::region	270	cf::party cf::region
205	)) {	271	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	273	}
209		274
210	$Event::DIED = sub {	275	$EV::DIED = sub {
211	warn "error in event callback: @_";	276	warn "error in event callback: @_";
212	};	277	};
213		278
214	#############################################################################	279	#############################################################################
215		280
…		…
238	$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;
239	$d	304	$d
240	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
241	}	306	}
242		307
243	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
244		309
245	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
246		311
247	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
248		313
249	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
250		315
251	=cut	316	=cut
252		317
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		319
255	sub to_json ($) { $json_coder->encode ($_[0]) }	320	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	321	sub decode_json($) { $json_coder->decode ($_[0]) }
257		322
258	=item cf::lock_wait $string	323	=item cf::lock_wait $string
259		324
260	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
261		326
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
267	returned.	332	returned.
268		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
269	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
270	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
271		339
272	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
273		341
274	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
275		343
276	=cut	344	=cut
277		345
278	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
279		348
280	sub lock_wait($) {	349	sub lock_wait($) {
281	my ($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#
282		356
283	# wait for lock, if any	357	# wait for lock, if any
284	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	360	Coro::schedule;
…		…
292		366
293	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
294	lock_wait $key;	368	lock_wait $key;
295		369
296	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
297		372
298	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
301	}	377	}
302	}	378	}
303		379
…		…
306		382
307	! ! $LOCK{$key}	383	! ! $LOCK{$key}
308	}	384	}
309		385
310	sub freeze_mainloop {	386	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
312		388
313	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
314	$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($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
315	};	450	}
316	$TICK_WATCHER->stop;	451	};
317	$guard	452
		453	sub get_slot($;$$) {
		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	$sig->wait;
318	}	465	}
319		466
320	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
321		468
322	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		474
328	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
329		476
330	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
331		478
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	482	acceptable.
336		483
337	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		490
344	sub sync_job(&) {	491	sub sync_job(&) {
345	my ($job) = @_;	492	my ($job) = @_;
346		493
347	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	495	my $time = EV::time;
349		496
350	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
352		499
353	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	501
355	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
356		503
357	my $busy = 1;	504	my $busy = 1;
358	my @res;	505	my @res;
359		506
360	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	509	@res = eval { $job->() };
362	warn $@ if $@;	510	warn $@ if $@;
363	undef $busy;	511	undef $busy;
364	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
365		513
366	while ($busy) {	514	while ($busy) {
367	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
368	}	519	}
		520	}
369		521
370	$time = Event::time - $time;	522	my $time = EV::time - $time;
371		523
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
376		525
377	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
378	} else {	527	} else {
379	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
380		529
…		…
405	=item fork_call { }, $args	554	=item fork_call { }, $args
406		555
407	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
408	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
409	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
410	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
411		560
412	=cut	561	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		562
423	sub fork_call(&@) {	563	sub fork_call(&@) {
424	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
425		565
426	# 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,
427	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		569
431	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	571	reset_signals;
445	local $SIG{__WARN__};	572	&$cb
446	local $SIG{__DIE__};	573	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		574
453	eval {	575	wantarray ? @res : $res[-1]
454	close $fh1;	576	}
455		577
456	my @res = eval { $cb->(@args) };	578	=item $coin = coin_from_name $name
457		579
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	580	=cut
459	close $fh2;
460	};
461		581
462	warn $@ if $@;	582	our %coin_alias = (
463	_exit 0;	583	"silver" => "silvercoin",
464	}	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
465	}	603	}
466		604
467	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
468		606
469	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
472		610
473	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
474	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).
475		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
476	=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	}
477		637
478	our $DB;	638	our $DB;
479		639
480	sub db_init {	640	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	641	cf::sync_job {
485	eval {	642	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	643	};
495	}	644	}
496		645
497	sub db_get($$) {	646	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
499		648
…		…
549	if (1) {	698	if (1) {
550	$md5 =	699	$md5 =
551	join "\x00",	700	join "\x00",
552	$processversion,	701	$processversion,
553	map {	702	map {
554	Coro::cede;	703	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	705	} 0.. $#$src;
557		706
558		707
559	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		746
598	#############################################################################	747	#############################################################################
599		748
600	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
601		750
602	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
603	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")
604	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
605		754
606	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>
607	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
608	Crossfire TRT).	757	Deliantra).
609		758
610	=over 4	759	=over 4
611		760
612	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
613		762
…		…
657	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
658		807
659	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
660	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
661		810
662	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		813
665	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
666		815
667	=over 4	816	=over 4
…		…
865	";	1014	";
866	die if $@;	1015	die if $@;
867	}	1016	}
868		1017
869	our $override;	1018	our $override;
870	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?
871		1020
872	sub override {	1021	sub override {
873	$override = 1;	1022	$override = 1;
874	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
875	}	1024	}
876		1025
877	sub do_invoke {	1026	sub do_invoke {
878	my $event = shift;	1027	my $event = shift;
879	my $callbacks = shift;	1028	my $callbacks = shift;
880		1029
881	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
882		1031
883	local $override;	1032	local $override;
884		1033
885	for (@$callbacks) {	1034	for (@$callbacks) {
886	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
895	}	1044	}
896		1045
897	0	1046	0
898	}	1047	}
899		1048
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1050
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1052
904	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
905		1054
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1058
910	=back	1059	=back
911		1060
912	=cut	1061	=cut
913		1062
914	#############################################################################	1063	#############################################################################
915	# 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	}
916		1107
917	sub reattach {	1108	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1110	my ($obj) = @_;
920		1111
		1112	# no longer needed after getting rid of delete_package?
921	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
922		1114
923	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
924		1116
925	@$registry = ();	1117	@$registry = ();
926		1118
…		…
941	cf::attachable->attach (	1133	cf::attachable->attach (
942	prio => -1000000,	1134	prio => -1000000,
943	on_instantiate => sub {	1135	on_instantiate => sub {
944	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
945		1137
946	$data = from_json $data;	1138	$data = decode_json $data;
947		1139
948	for (@$data) {	1140	for (@$data) {
949	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
950		1142
951	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1159	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
969		1161
970	sync_job {	1162	sync_job {
971	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
974		1167
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1172	aio_close $fh;
980		1173
981	if (@$objs) {	1174	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1180	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
989	}	1182	}
990	} else {	1183	} else {
991	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
992	}	1185	}
…		…
997	}	1190	}
998	} else {	1191	} else {
999	aio_unlink $filename;	1192	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
1001	}	1194	}
1002	}	1195	};
1003	}	1196	}
1004		1197
1005	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
1007		1200
…		…
1019	or return;	1212	or return;
1020		1213
1021	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1216	or return;
		1217
1024	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1025	}	1220	}
1026		1221
		1222	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1029	return ($data, $av);	1226	($data, $av)
1030	}	1227	}
1031		1228
1032	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1033		1230
1034	=over 4	1231	=over 4
…		…
1107	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1108		1305
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1307
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1117	} else {	1323	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1325	}
1120		1326
1121	cf::override;	1327	cf::override;
…		…
1148		1354
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1357
1152	$ext{source} =	1358	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1155	. $source	1361	. $source
1156	. "\n};\n1";	1362	. "\n};\n1";
1157		1363
1158	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1176		1382
1177	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1384	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1386	}
1182		1387
1183	warn $msg;	1388	warn $msg;
1184	}	1389	}
1185		1390
…		…
1199		1404
1200	=back	1405	=back
1201		1406
1202	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1203		1408
1204	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1205		1410
1206	=cut	1411	=cut
1207		1412
1208	package cf::player;	1413	package cf::player;
1209		1414
1210	use Coro::AIO;	1415	use Coro::AIO;
1211		1416
1212	=head3 cf::player	1417	=head3 cf::player
1213		1418
1214	=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	}
1215		1434
1216	=item cf::player::find $login	1435	=item cf::player::find $login
1217		1436
1218	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1219		1438
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1478
1260	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1263	}	1488	}
1264	}	1489	}
1265	}	1490	}
1266		1491
…		…
1275	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1276		1501
1277	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1279		1504
		1505	cf::get_slot 0.01;
		1506
1280	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1281	Coro::cede;	1508	cf::cede_to_tick;
1282	}	1509	}
1283		1510
1284	sub new($) {	1511	sub new($) {
1285	my ($login) = @_;	1512	my ($login) = @_;
1286		1513
…		…
1292	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1293		1520
1294	$self	1521	$self
1295	}	1522	}
1296		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
1297	=item $pl->quit_character	1534	=item $pl->quit_character
1298		1535
1299	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
1300	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1301		1538
…		…
1305	my ($pl) = @_;	1542	my ($pl) = @_;
1306		1543
1307	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1308		1545
1309	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1310	$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
1311		1548
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1316		1555
1317	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1593	or return [];
1355		1594
1356	my @logins;	1595	my @logins;
1357		1596
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1362		1607
1363	utf8::decode $login;	1608	utf8::decode $login;
1364	push @logins, $login;	1609	push @logins, $login;
1365	}	1610	}
1366		1611
…		…
1393	}	1638	}
1394		1639
1395	\@paths	1640	\@paths
1396	}	1641	}
1397		1642
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1644
1400	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1401		1646
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1449		1648
1450	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1451		1650
1452	=cut	1651	=cut
1453		1652
1454	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1456		1655
1457	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1657	}
1460		1658
1461	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1462		1660
1463	Sends an ext event to the client.	1661	Sends an ext event to the client.
1464		1662
1465	=cut	1663	=cut
1466		1664
1467	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1469		1667
1470	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1471	}	1669	}
1472		1670
1473	=head3 cf::region	1671	=head3 cf::region
1474		1672
1475	=over 4	1673	=over 4
…		…
1488	my ($path) = @_;	1686	my ($path) = @_;
1489		1687
1490	my ($match, $specificity);	1688	my ($match, $specificity);
1491		1689
1492	for my $region (list) {	1690	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1496	}	1694	}
1497	}	1695	}
1498		1696
…		…
1519	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1521		1719
1522	sub generate_random_map {	1720	sub generate_random_map {
1523	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
1524	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1726	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1618	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1619	return $self;	1820	return $self;
1620	}	1821	}
1621	}	1822	}
1622		1823
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1825	()
1625	}	1826	}
1626		1827
1627	sub init {	1828	sub init {
1628	my ($self) = @_;	1829	my ($self) = @_;
…		…
1650		1851
1651	# the temporary/swap location	1852	# the temporary/swap location
1652	sub save_path {	1853	sub save_path {
1653	my ($self) = @_;	1854	my ($self) = @_;
1654		1855
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1657	}	1858	}
1658		1859
1659	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1660	sub uniq_path {	1861	sub uniq_path {
1661	my ($self) = @_;	1862	my ($self) = @_;
1662		1863
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1665	}	1866	}
1666		1867
1667	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1668	# all maps in C++...	1869	# all maps in C++...
…		…
1691		1892
1692	sub load_header_from($) {	1893	sub load_header_from($) {
1693	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1694		1895
1695	utf8::encode $path;	1896	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	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;
1701		1905
1702	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1703		1907
1704	1	1908	1
1705	}	1909	}
…		…
1759	sub find {	1963	sub find {
1760	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1761		1965
1762	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1763		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1765		1970
1766	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1767	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1768	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1769	or return;	1976	or return;
1770		1977
1771	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1772		1979
…		…
1774	or return;	1981	or return;
1775		1982
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1779	$map->reset;	1988	$map->reset;
1780	undef $guard;
1781	return find $path;	1989	return find $path;
1782	}	1990	}
1783		1991
1784	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1785	}	1993	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1795		2003
1796	my $path = $self->{path};	2004	my $path = $self->{path};
1797		2005
1798	{	2006	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1800		2008
		2009	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2011
1803	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1804		2013
1805	$self->alloc;	2014	$self->alloc;
1806		2015
1807	$self->pre_load;	2016	$self->pre_load;
1808	Coro::cede;	2017	cf::cede_to_tick;
1809		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1811	or return;	2022	or return;
1812		2023
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1814	if delete $self->{load_original};	2025	if delete $self->{load_original};
1815		2026
1816	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2028	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2031	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1821	}	2035	}
1822	}	2036	}
1823		2037
1824	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1825	# now do the right thing for maps	2041	# now do the right thing for maps
1826	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2044	unless $self->difficulty;
1829	Coro::cede;	2045	cf::cede_to_tick;
1830		2046
1831	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2048	$self->decay_objects;
1833	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1834	$self->update_buttons;	2050	$self->update_buttons;
1835	Coro::cede;	2051	cf::cede_to_tick;
1836	$self->set_darkness_map;	2052	$self->set_darkness_map;
1837	Coro::cede;	2053	cf::cede_to_tick;
1838	$self->activate;	2054	$self->activate;
1839	}	2055	}
1840		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2061	}
1843		2062
1844	$self->post_load;	2063	$self->post_load;
1845	}	2064	}
1846		2065
…		…
1855		2074
1856	$self	2075	$self
1857	}	2076	}
1858		2077
1859	# 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
1860	sub load_diag {	2079	sub load_neighbours {
1861	my ($map) = @_;	2080	my ($map) = @_;
1862		2081
1863	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1864		2083
1865	for (0 .. 3) {	2084	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1867	or next;	2086	or next;
1868	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1869	or next;	2088	or next;
1870	$neigh->load;	2089	$neigh->load;
1871		2090
		2091	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2094	}
1875		2095
1876	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1878	or next;	2099	or next;
1879	$neigh->load;	2100	$neigh->load;
1880	}	2101	}
1881	}	2102	}
1882		2103
…		…
1887	}	2108	}
1888		2109
1889	sub do_load_sync {	2110	sub do_load_sync {
1890	my ($map) = @_;	2111	my ($map) = @_;
1891		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1892	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1893	}	2117	}
1894		2118
1895	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1897		2121
1898	sub find_async {	2122	sub find_async {
1899	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1900		2124
1901	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1902		2126
1903	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2129	}
1906		2130
1907	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1908	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1909	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2138	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2139	$map->load if $v;
		2140	}
1914		2141
1915	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1916	}	2143	}
1917	}	2144	}
1918	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1919	};	2146	};
1920	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2150	}
1924		2151
1925	sub save {	2152	sub save {
1926	my ($self) = @_;	2153	my ($self) = @_;
1927		2154
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2156
1930	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1931		2158
1932	return unless $self->dirty;	2159	return unless $self->dirty;
1933		2160
…		…
1939	return if $self->{deny_save};	2166	return if $self->{deny_save};
1940		2167
1941	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1942		2169
1943	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1945	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1946		2176
1947	if ($uniq) {	2177	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2180	} else {
…		…
1956	my ($self) = @_;	2186	my ($self) = @_;
1957		2187
1958	# save first because save cedes	2188	# save first because save cedes
1959	$self->save;	2189	$self->save;
1960		2190
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2192
1963	return if $self->players;	2193	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1965	return if $self->{deny_save};	2195	return if $self->{deny_save};
1966		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2201	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2202	}
1970		2203
1971	sub reset_at {	2204	sub reset_at {
1972	my ($self) = @_;	2205	my ($self) = @_;
1973		2206
…		…
2005	if $uniq;	2238	if $uniq;
2006	}	2239	}
2007		2240
2008	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
2009		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2245	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2246
2014	$self->unlink_save;	2247	$self->unlink_save;
2015	$self->destroy;	2248	$self->destroy;
2016	}	2249	}
2017		2250
2018	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
2019		2252
2020	sub nuke {	2253	sub nuke {
2021	my ($self) = @_;	2254	my ($self) = @_;
2022		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
2023	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
2024		2260
2025	$self->unlink_save;	2261	$self->unlink_save;
2026		2262
2027	bless $self, "cf::map";	2263	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2268
2033	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
2034		2271
2035	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
2036	}	2273	}
2037		2274
2038	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2080		2317
2081	sub unique_maps() {	2318	sub unique_maps() {
2082	[	2319	[
2083	map {	2320	map {
2084	utf8::decode $_;	2321	utf8::decode $_;
2085	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2086	? normalise $_	2325	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2327	]
2090	}	2328	}
2091		2329
2092	package cf;
2093
2094	=back	2330	=back
2095		2331
2096	=head3 cf::object	2332	=head3 cf::object
2097		2333
2098	=cut	2334	=cut
…		…
2101		2337
2102	=over 4	2338	=over 4
2103		2339
2104	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2105		2341
2106	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.
2107		2344
2108	=cut	2345	=cut
2109		2346
2110	sub inv_recursive_;	2347	sub inv_recursive_;
2111	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2114		2351
2115	sub inv_recursive {	2352	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2117	}	2354	}
2118		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
2119	package cf;	2384	package cf;
2120		2385
2121	=back	2386	=back
2122		2387
2123	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2129	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>
2130	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
2131	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2132		2397
2133	=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	};
2134		2413
2135	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2415	# with dialog boxes.
2137	#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
2138	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2145		2424
2146	} else {	2425	} else {
2147	my $pl = $self->contr;	2426	my $pl = $self->contr;
2148		2427
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2431
2158	} else {	2432	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2435	}
2162	}	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 (@_);
2163	}	2447	}
2164		2448
2165	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2166		2450
2167	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2180		2464
2181	=item $player_object->enter_link	2465	=item $player_object->enter_link
2182		2466
2183	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}>).
2184		2468
2185	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.
2186	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.
2187		2473
2188	Will never block.	2474	Will never block.
2189		2475
2190	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2191		2477
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2249		2535
2250	$map->load;	2536	$map->load;
2251	$map->load_diag;	2537	$map->load_neighbours;
2252		2538
2253	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2254	$self->activate_recursive;	2541	$self->activate_recursive;
2255		2542
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2258	}	2545	}
2259		2546
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2548
2262	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
2263	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2264	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
2265	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 >>.
2266		2557
2267	=cut	2558	=cut
2268		2559
2269	our $GOTOGEN;	2560	our $GOTOGEN;
2270		2561
2271	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2564
2274	# 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
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2567
2277	$self->enter_link;	2568	$self->enter_link;
2278		2569
2279	(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
2280	my $map = eval {	2592	my $map = eval {
2281	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2282		2594
2283	if ($map) {	2595	if ($map) {
2284	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2286	} else {	2598	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2600	}
2289		2601
2290	$map	2602	$map
2291	};	2603	};
2292		2604
…		…
2297		2609
2298	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2301	}	2613	}
		2614
		2615	$done->() if $done;
2302	})->prio (1);	2616	})->prio (1);
2303	}	2617	}
2304		2618
2305	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2306		2620
…		…
2326	}	2640	}
2327		2641
2328	sub prepare_random_map {	2642	sub prepare_random_map {
2329	my ($exit) = @_;	2643	my ($exit) = @_;
2330		2644
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2647	# that depends on the exit object
2336		2648
2337	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2651	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2344	}	2658	}
2345		2659
2346	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2347		2661
2348	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2351		2665
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2668	undef $fh;
2355	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2356		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2359	}	2677	}
2360	}	2678	}
2361		2679
2362	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2364		2682
2365	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2366		2684
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2685	$self->enter_link;
2379		2686
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2687	(async {
2385	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2386	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
2387	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2388		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
2389	1;	2711	1
2390	}) {	2712	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "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. "
2393	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2717
2396	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2415		2737
2416	utf8::encode $text;	2738	utf8::encode $text;
2417	$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);
2418	}	2740	}
2419		2741
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2743
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2426		2748
2427	=cut	2749	=cut
2428		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2429	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2811
2432	$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	}
2433		2836
2434	return unless @extra || length $msg;	2837	return unless @extra || length $msg;
2435		2838
2436	if ($self->can_msg) {	2839	if ($self->can_msg) {
2437	$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);
2438	} else {	2860	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448
2449	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
2450	if (0 && $msg =~ /\[/) {	2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2879	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2881	$self->send_packet ("drawinfo $color $msg")
2455	}	2882	}
2456	}	2883	}
2457	}	2884	}
2458	}	2885	}
2459		2886
2460	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2461		2888
2462	Sends an ext event to the client.	2889	Sends an ext event to the client.
2463		2890
2464	=cut	2891	=cut
2465		2892
2466	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2468		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2470	$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	}
2471	}	2920	}
2472		2921
2473	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2474		2923
2475	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2979	my ($ns, $buf) = @_;
2531		2980
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2982
2534	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
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2991	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	2992	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
2541	} else {	2998	} else {
2542	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";
2543	}	3000	}
2544		3001
2545	cf::override;	3002	cf::override;
…		…
2592	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2594		3051
2595	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2596		3053
2597	$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	));
2598		3059
2599	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2600		3061
2601	=pod	3062	=pod
2602		3063
2603	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2604		3065
2605	cf::object	3066	cf::object
2606	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
2607	insert remove	3068	insert remove name archname title slaying race decrease split
2608		3069
2609	cf::object::player	3070	cf::object::player
2610	player	3071	player
2611		3072
2612	cf::player	3073	cf::player
…		…
2617		3078
2618	=cut	3079	=cut
2619		3080
2620	for (	3081	for (
2621	["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
2622	insert remove)],	3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2623	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2626	) {	3088	) {
2627	no strict 'refs';	3089	no strict 'refs';
…		…
2703	# the server's init and main functions	3165	# the server's init and main functions
2704		3166
2705	sub load_facedata($) {	3167	sub load_facedata($) {
2706	my ($path) = @_;	3168	my ($path) = @_;
2707		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
2708	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2709		3177
2710	my $facedata;	3178	my $facedata;
2711	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3180	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2715		3183
2716	$facedata->{version} == 2	3184	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		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
2719	{	3194	{
2720	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2721		3196
2722	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3204
		3205	cf::cede_to_tick;
2728	}	3206	}
2729		3207
2730	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2732	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2733	or next;	3212	or next;
		3213
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3217	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3219	}
2739	Coro::cede;	3220
		3221	cf::cede_to_tick;
2740	}	3222	}
2741	}	3223	}
2742		3224
2743	{	3225	{
2744	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2745		3227
2746	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3230	cf::cede_to_tick;
2749	}	3231	}
2750		3232
2751	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2752	}	3234	}
2753		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		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;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2754	1	3271	1
2755	}	3272	}
2756		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
2757	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
2758	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
2760	}	3324	}
2761		3325
2762	sub reload_facedata {	3326	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
2765	}	3329	}
2766		3330
2767	sub reload_archetypes {	3331	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3334	}
2776		3335
2777	sub reload_treasures {	3336	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
2780	}	3339	}
2781		3340
2782	sub reload_resources {	3341	sub reload_resources {
2783	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2784		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2785	reload_regions;	3346	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3347	reload_treasures;
2790		3348
2791	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2792	}	3350	}
2793		3351
2794	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2795	reload_resources;	3357	reload_resources;
2796	}	3358	}
2797		3359
2798	sub cfg_load {	3360	sub reload_config {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3362	or return;
2801		3363
2802	local $/;	3364	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2804		3366
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3368
2807	$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};
2808	$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};
…		…
2814	};	3376	};
2815	warn $@ if $@;	3377	warn $@ if $@;
2816	}	3378	}
2817	}	3379	}
2818		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
2819	sub main {	3400	sub main {
		3401	atomic;
		3402
2820	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2822	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#
2823	(async {	3406	(async {
2824	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2826	};	3410	};
2827		3411
2828	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2829	db_init;	3415	db_init;
2830	load_extensions;	3416	load_extensions;
2831		3417
2832	$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
2833	Event::loop;	3426	EV::loop;
2834	}	3427	}
2835		3428
2836	#############################################################################	3429	#############################################################################
2837	# initialisation and cleanup	3430	# initialisation and cleanup
2838		3431
2839	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2840	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2849	},
2850	);	3438	};
2851	}	3439	}
2852	}	3440	}
2853		3441
2854	sub write_runtime {	3442	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";
2856
2857	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
2859		3445
2860	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3447
2862	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
2863		3449
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2865	or return;	3451	or return;
2866		3452
2867	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
2880		3466
2881	close $fh	3467	close $fh
2882	or return;	3468	or return;
2883		3469
2884	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3471	and return;
2886		3472
2887	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
2888		3474
2889	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2890	}	3519	}
2891		3520
2892	sub emergency_save() {	3521	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2894		3523
…		…
2900	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3535	$pl->save;
2906	}	3536	}
2907	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2908		3538
2909	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2915	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2916		3546
2917	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2920	};	3554	};
2921		3555
2922	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2923	}	3557	}
2924		3558
2925	sub post_cleanup {	3559	sub post_cleanup {
2926	my ($make_core) = @_;	3560	my ($make_core) = @_;
2927		3561
2928	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2930	}	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 $RELOAD; # how many times to reload
2931		3596
2932	sub do_reload_perl() {	3597	sub do_reload_perl() {
2933	# can/must only be called in main	3598	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2935	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2936	return;	3601	return;
2937	}	3602	}
2938		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2939	warn "reloading...";	3607	warn "reloading...";
2940		3608
2941	warn "entering sync_job";	3609	warn "entering sync_job";
2942		3610
2943	cf::sync_job {	3611	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3613	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2947		3615
2948	warn "syncing database to disk";	3616	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3618
2951	# 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
2952		3620
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3624	}
2990		3625
2991	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2993	}	3628	%EXT_CORO = ();
2994		3629
2995	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2996	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3639	warn "... unloading $pkg";
3000	delete $INC{$k};
3001		3640
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3006	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3007	}	3650	}
3008		3651
3009	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 $k;
3010	}	3667	}
3011		3668
3012	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3014	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);
3015		3672
3016	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3019		3676
3020	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3678	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3023		3680
3024	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3025		3682
3026	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3027	require cf;	3684	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3686
3030	warn "loading config and database again";	3687	warn "loading config and database again";
3031	cf::cfg_load;	3688	cf::reload_config;
3032		3689
3033	warn "loading extensions";	3690	warn "loading extensions";
3034	cf::load_extensions;	3691	cf::load_extensions;
3035		3692
3036	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3042		3699
3043	warn "leaving sync_job";	3700	warn "leaving sync_job";
3044		3701
3045	1	3702	1
3046	} or do {	3703	} or do {
3047	warn $@;	3704	warn $@;
3048	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3706	};
3051		3707
3052	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3053	};	3711	};
3054		3712
3055	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3056		3714
3057	sub reload_perl() {	3715	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3060		3718
3061	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3720	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3068	},
3069	);	3722	};
3070	}	3723	}
3071		3724
3072	register_command "reload" => sub {	3725	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3074		3727
3075	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3732	reload_perl;
		3733	};
3078	}	3734	}
3079	};	3735	};
3080		3736
3081	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3082		3738
…		…
3084		3740
3085	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3087		3743
3088	sub wait_for_tick {	3744	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3091		3746
3092	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3749	$signal->wait;
3095	}	3750	}
3096		3751
3097	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3100		3754
3101	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3757	$signal->wait;
3104	}	3758	}
3105		3759
3106	my $min = 1e6;#d#	3760	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3118	return;	3764	return;
3119	}	3765	}
3120		3766
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3124		3768
3125	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3771	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3129	or die;	3773	write_runtime_sync
3130		3774	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3775	};
		3776	}
3147		3777
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3779	$sig->send;
3164	}	3780	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3782	$sig->send;
3167	}	3783	}
3168		3784
3169	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3787
3180	_post_tick;	3788	if (0) {
3181		3789	if ($NEXT_TICK) {
3182		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3183	},	3794	}
3184	);	3795	}
3185		3796
3186	{	3797	{
3187	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3799
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3197		3801	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3803
3213	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3214	$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);
3215		3811
3216	cf::sync_job {	3812	cf::sync_job {
3217	eval {	3813	eval {
3218	BDB::db_env_open	3814	BDB::db_env_open
3219	$DB_ENV,	3815	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3819	0666;
3224		3820
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3822	};
3230		3823
3231	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3825	};
3233	}	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	};
3234	}	3837	}
3235		3838
3236	{	3839	{
		3840	# configure IO::AIO
		3841
3237	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3845	}
3250		3846
3251	my $_log_backtrace;	3847	my $_log_backtrace;
3252		3848
3253	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3257		3853
3258	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3261	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3262	my @bt = fork_call {	3861	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	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 |"
3266	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3274	}	3873	}
3275		3874
3276	@funcs	3875	@funcs
3277	};	3876	};
3278		3877
3279	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	3881	--$_log_backtrace;
3282	};	3882	};
3283	} else {	3883	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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