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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 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 { }, $args
406		555
407	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
411		560
412	=cut	561	=cut
413		562
414	sub fork_call(&@) {	563	sub fork_call(&@) {
415	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
416		565
417	# 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,
418	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		569
422	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	571	reset_signals;
436	local $SIG{__WARN__};	572	&$cb
437	local $SIG{__DIE__};	573	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		574
443	my @res = eval { $cb->(@args) };	575	wantarray ? @res : $res[-1]
		576	}
444		577
445	open my $fh, ">", \my $buf	578	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		579
450	warn "writing ", length $buf;	580	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		581
457	warn $@ if $@;	582	our %coin_alias = (
458	_exit 0;	583	"silver" => "silvercoin",
459	}	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
460	}	603	}
461		604
462	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
463		606
464	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
467		610
468	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
469	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).
470		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
471	=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	}
472		637
473	our $DB;	638	our $DB;
474		639
475	sub db_init {	640	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	641	cf::sync_job {
480	eval {	642	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	643	};
490	}	644	}
491		645
492	sub db_get($$) {	646	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
494		648
…		…
544	if (1) {	698	if (1) {
545	$md5 =	699	$md5 =
546	join "\x00",	700	join "\x00",
547	$processversion,	701	$processversion,
548	map {	702	map {
549	Coro::cede;	703	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	705	} 0.. $#$src;
552		706
553		707
554	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		746
593	#############################################################################	747	#############################################################################
594		748
595	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
596		750
597	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
598	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")
599	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
600		754
601	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>
602	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
603	Crossfire TRT).	757	Deliantra).
604		758
605	=over 4	759	=over 4
606		760
607	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
608		762
…		…
652	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
653		807
654	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
655	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
656		810
657	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
658	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.
659		813
660	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
661		815
662	=over 4	816	=over 4
…		…
860	";	1014	";
861	die if $@;	1015	die if $@;
862	}	1016	}
863		1017
864	our $override;	1018	our $override;
865	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?
866		1020
867	sub override {	1021	sub override {
868	$override = 1;	1022	$override = 1;
869	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
870	}	1024	}
871		1025
872	sub do_invoke {	1026	sub do_invoke {
873	my $event = shift;	1027	my $event = shift;
874	my $callbacks = shift;	1028	my $callbacks = shift;
875		1029
876	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
877		1031
878	local $override;	1032	local $override;
879		1033
880	for (@$callbacks) {	1034	for (@$callbacks) {
881	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
890	}	1044	}
891		1045
892	0	1046	0
893	}	1047	}
894		1048
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1050
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1052
899	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
900		1054
901	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
902	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
903	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1058
905	=back	1059	=back
906		1060
907	=cut	1061	=cut
908		1062
909	#############################################################################	1063	#############################################################################
910	# 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	}
911		1107
912	sub reattach {	1108	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1110	my ($obj) = @_;
915		1111
		1112	# no longer needed after getting rid of delete_package?
916	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
917		1114
918	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
919		1116
920	@$registry = ();	1117	@$registry = ();
921		1118
…		…
936	cf::attachable->attach (	1133	cf::attachable->attach (
937	prio => -1000000,	1134	prio => -1000000,
938	on_instantiate => sub {	1135	on_instantiate => sub {
939	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
940		1137
941	$data = from_json $data;	1138	$data = decode_json $data;
942		1139
943	for (@$data) {	1140	for (@$data) {
944	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
945		1142
946	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1159	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
964		1161
965	sync_job {	1162	sync_job {
966	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
969		1167
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1172	aio_close $fh;
975		1173
976	if (@$objs) {	1174	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1180	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
984	}	1182	}
985	} else {	1183	} else {
986	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
987	}	1185	}
…		…
992	}	1190	}
993	} else {	1191	} else {
994	aio_unlink $filename;	1192	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
996	}	1194	}
997	}	1195	};
998	}	1196	}
999		1197
1000	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
1002		1200
…		…
1014	or return;	1212	or return;
1015		1213
1016	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1216	or return;
		1217
1019	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1020	}	1220	}
1021		1221
		1222	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1024	return ($data, $av);	1226	($data, $av)
1025	}	1227	}
1026		1228
1027	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1028		1230
1029	=over 4	1231	=over 4
…		…
1102	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1103		1305
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1307
1106	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
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1112	} else {	1323	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1325	}
1115		1326
1116	cf::override;	1327	cf::override;
…		…
1143		1354
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1357
1147	$ext{source} =	1358	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1150	. $source	1361	. $source
1151	. "\n};\n1";	1362	. "\n};\n1";
1152		1363
1153	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1171		1382
1172	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1384	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1386	}
1177		1387
1178	warn $msg;	1388	warn $msg;
1179	}	1389	}
1180		1390
…		…
1194		1404
1195	=back	1405	=back
1196		1406
1197	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1198		1408
1199	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1200		1410
1201	=cut	1411	=cut
1202		1412
1203	package cf::player;	1413	package cf::player;
1204		1414
1205	use Coro::AIO;	1415	use Coro::AIO;
1206		1416
1207	=head3 cf::player	1417	=head3 cf::player
1208		1418
1209	=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	}
1210		1434
1211	=item cf::player::find $login	1435	=item cf::player::find $login
1212		1436
1213	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1214		1438
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1478
1255	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1256	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;
1257	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1258	}	1488	}
1259	}	1489	}
1260	}	1490	}
1261		1491
…		…
1270	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1271		1501
1272	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1274		1504
		1505	cf::get_slot 0.01;
		1506
1275	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1276	Coro::cede;	1508	cf::cede_to_tick;
1277	}	1509	}
1278		1510
1279	sub new($) {	1511	sub new($) {
1280	my ($login) = @_;	1512	my ($login) = @_;
1281		1513
…		…
1287	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1288		1520
1289	$self	1521	$self
1290	}	1522	}
1291		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
1292	=item $pl->quit_character	1534	=item $pl->quit_character
1293		1535
1294	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
1295	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1296		1538
…		…
1300	my ($pl) = @_;	1542	my ($pl) = @_;
1301		1543
1302	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1303		1545
1304	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1305	$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
1306		1548
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1311		1555
1312	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1593	or return [];
1350		1594
1351	my @logins;	1595	my @logins;
1352		1596
1353	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") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1357		1607
1358	utf8::decode $login;	1608	utf8::decode $login;
1359	push @logins, $login;	1609	push @logins, $login;
1360	}	1610	}
1361		1611
…		…
1388	}	1638	}
1389		1639
1390	\@paths	1640	\@paths
1391	}	1641	}
1392		1642
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1644
1395	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1396		1646
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1444		1648
1445	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1446		1650
1447	=cut	1651	=cut
1448		1652
1449	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1451		1655
1452	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1657	}
1455		1658
1456	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1457		1660
1458	Sends an ext event to the client.	1661	Sends an ext event to the client.
1459		1662
1460	=cut	1663	=cut
1461		1664
1462	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1464		1667
1465	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1466	}	1669	}
1467		1670
1468	=head3 cf::region	1671	=head3 cf::region
1469		1672
1470	=over 4	1673	=over 4
…		…
1483	my ($path) = @_;	1686	my ($path) = @_;
1484		1687
1485	my ($match, $specificity);	1688	my ($match, $specificity);
1486		1689
1487	for my $region (list) {	1690	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1491	}	1694	}
1492	}	1695	}
1493		1696
…		…
1514	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1516		1719
1517	sub generate_random_map {	1720	sub generate_random_map {
1518	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
1519	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1726	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1614	return $self;	1820	return $self;
1615	}	1821	}
1616	}	1822	}
1617		1823
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1825	()
1620	}	1826	}
1621		1827
1622	sub init {	1828	sub init {
1623	my ($self) = @_;	1829	my ($self) = @_;
…		…
1645		1851
1646	# the temporary/swap location	1852	# the temporary/swap location
1647	sub save_path {	1853	sub save_path {
1648	my ($self) = @_;	1854	my ($self) = @_;
1649		1855
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1652	}	1858	}
1653		1859
1654	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1655	sub uniq_path {	1861	sub uniq_path {
1656	my ($self) = @_;	1862	my ($self) = @_;
1657		1863
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1660	}	1866	}
1661		1867
1662	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1663	# all maps in C++...	1869	# all maps in C++...
…		…
1686		1892
1687	sub load_header_from($) {	1893	sub load_header_from($) {
1688	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1689		1895
1690	utf8::encode $path;	1896	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	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;
1696		1905
1697	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1698		1907
1699	1	1908	1
1700	}	1909	}
…		…
1754	sub find {	1963	sub find {
1755	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1756		1965
1757	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1758		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1760		1970
1761	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1762	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1763	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1764	or return;	1976	or return;
1765		1977
1766	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1767		1979
…		…
1769	or return;	1981	or return;
1770		1982
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1774	$map->reset;	1988	$map->reset;
1775	undef $guard;
1776	return find $path;	1989	return find $path;
1777	}	1990	}
1778		1991
1779	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1780	}	1993	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1790		2003
1791	my $path = $self->{path};	2004	my $path = $self->{path};
1792		2005
1793	{	2006	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1795		2008
		2009	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2011
1798	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1799		2013
1800	$self->alloc;	2014	$self->alloc;
1801		2015
1802	$self->pre_load;	2016	$self->pre_load;
1803	Coro::cede;	2017	cf::cede_to_tick;
1804		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1806	or return;	2022	or return;
1807		2023
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1809	if delete $self->{load_original};	2025	if delete $self->{load_original};
1810		2026
1811	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2028	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2031	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1816	}	2035	}
1817	}	2036	}
1818		2037
1819	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1820	# now do the right thing for maps	2041	# now do the right thing for maps
1821	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2044	unless $self->difficulty;
1824	Coro::cede;	2045	cf::cede_to_tick;
1825		2046
1826	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2048	$self->decay_objects;
1828	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1829	$self->update_buttons;	2050	$self->update_buttons;
1830	Coro::cede;	2051	cf::cede_to_tick;
1831	$self->set_darkness_map;	2052	$self->set_darkness_map;
1832	Coro::cede;	2053	cf::cede_to_tick;
1833	$self->activate;	2054	$self->activate;
1834	}	2055	}
1835		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2061	}
1838		2062
1839	$self->post_load;	2063	$self->post_load;
1840	}	2064	}
1841		2065
…		…
1850		2074
1851	$self	2075	$self
1852	}	2076	}
1853		2077
1854	# 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
1855	sub load_diag {	2079	sub load_neighbours {
1856	my ($map) = @_;	2080	my ($map) = @_;
1857		2081
1858	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1859		2083
1860	for (0 .. 3) {	2084	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1862	or next;	2086	or next;
1863	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1864	or next;	2088	or next;
1865	$neigh->load;	2089	$neigh->load;
1866		2090
		2091	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2094	}
1870		2095
1871	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1873	or next;	2099	or next;
1874	$neigh->load;	2100	$neigh->load;
1875	}	2101	}
1876	}	2102	}
1877		2103
…		…
1882	}	2108	}
1883		2109
1884	sub do_load_sync {	2110	sub do_load_sync {
1885	my ($map) = @_;	2111	my ($map) = @_;
1886		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1887	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1888	}	2117	}
1889		2118
1890	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1892		2121
1893	sub find_async {	2122	sub find_async {
1894	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1895		2124
1896	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1897		2126
1898	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2129	}
1901		2130
1902	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1903	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1904	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2138	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2139	$map->load if $v;
		2140	}
1909		2141
1910	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1911	}	2143	}
1912	}	2144	}
1913	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1914	};	2146	};
1915	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2150	}
1919		2151
1920	sub save {	2152	sub save {
1921	my ($self) = @_;	2153	my ($self) = @_;
1922		2154
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2156
1925	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1926		2158
1927	return unless $self->dirty;	2159	return unless $self->dirty;
1928		2160
…		…
1934	return if $self->{deny_save};	2166	return if $self->{deny_save};
1935		2167
1936	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1937		2169
1938	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1940	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1941		2176
1942	if ($uniq) {	2177	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2180	} else {
…		…
1951	my ($self) = @_;	2186	my ($self) = @_;
1952		2187
1953	# save first because save cedes	2188	# save first because save cedes
1954	$self->save;	2189	$self->save;
1955		2190
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2192
1958	return if $self->players;	2193	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2195	return if $self->{deny_save};
1961		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2201	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2202	}
1965		2203
1966	sub reset_at {	2204	sub reset_at {
1967	my ($self) = @_;	2205	my ($self) = @_;
1968		2206
…		…
2000	if $uniq;	2238	if $uniq;
2001	}	2239	}
2002		2240
2003	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
2004		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2245	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2246
2009	$self->unlink_save;	2247	$self->unlink_save;
2010	$self->destroy;	2248	$self->destroy;
2011	}	2249	}
2012		2250
2013	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
2014		2252
2015	sub nuke {	2253	sub nuke {
2016	my ($self) = @_;	2254	my ($self) = @_;
2017		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
2018	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
2019		2260
2020	$self->unlink_save;	2261	$self->unlink_save;
2021		2262
2022	bless $self, "cf::map";	2263	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2268
2028	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
2029		2271
2030	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
2031	}	2273	}
2032		2274
2033	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2075		2317
2076	sub unique_maps() {	2318	sub unique_maps() {
2077	[	2319	[
2078	map {	2320	map {
2079	utf8::decode $_;	2321	utf8::decode $_;
2080	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2081	? normalise $_	2325	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2327	]
2085	}	2328	}
2086		2329
2087	package cf;
2088
2089	=back	2330	=back
2090		2331
2091	=head3 cf::object	2332	=head3 cf::object
2092		2333
2093	=cut	2334	=cut
…		…
2096		2337
2097	=over 4	2338	=over 4
2098		2339
2099	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2100		2341
2101	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.
2102		2344
2103	=cut	2345	=cut
2104		2346
2105	sub inv_recursive_;	2347	sub inv_recursive_;
2106	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2109		2351
2110	sub inv_recursive {	2352	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2112	}	2354	}
2113		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
2114	package cf;	2384	package cf;
2115		2385
2116	=back	2386	=back
2117		2387
2118	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2124	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>
2125	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
2126	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2127		2397
2128	=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	};
2129		2413
2130	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2415	# with dialog boxes.
2132	#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
2133	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2140		2424
2141	} else {	2425	} else {
2142	my $pl = $self->contr;	2426	my $pl = $self->contr;
2143		2427
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2431
2153	} else {	2432	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2435	}
2157	}	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 (@_);
2158	}	2447	}
2159		2448
2160	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2161		2450
2162	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2175		2464
2176	=item $player_object->enter_link	2465	=item $player_object->enter_link
2177		2466
2178	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}>).
2179		2468
2180	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.
2181	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.
2182		2473
2183	Will never block.	2474	Will never block.
2184		2475
2185	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2186		2477
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2244		2535
2245	$map->load;	2536	$map->load;
2246	$map->load_diag;	2537	$map->load_neighbours;
2247		2538
2248	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2249	$self->activate_recursive;	2541	$self->activate_recursive;
2250		2542
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2253	}	2545	}
2254		2546
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2548
2257	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
2258	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2259	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
2260	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 >>.
2261		2557
2262	=cut	2558	=cut
2263		2559
2264	our $GOTOGEN;	2560	our $GOTOGEN;
2265		2561
2266	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2564
2269	# 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
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2567
2272	$self->enter_link;	2568	$self->enter_link;
2273		2569
2274	(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
2275	my $map = eval {	2592	my $map = eval {
2276	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2277		2594
2278	if ($map) {	2595	if ($map) {
2279	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2281	} else {	2598	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2600	}
2284		2601
2285	$map	2602	$map
2286	};	2603	};
2287		2604
…		…
2292		2609
2293	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2296	}	2613	}
		2614
		2615	$done->() if $done;
2297	})->prio (1);	2616	})->prio (1);
2298	}	2617	}
2299		2618
2300	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2301		2620
…		…
2321	}	2640	}
2322		2641
2323	sub prepare_random_map {	2642	sub prepare_random_map {
2324	my ($exit) = @_;	2643	my ($exit) = @_;
2325		2644
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2647	# that depends on the exit object
2331		2648
2332	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2651	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2339	}	2658	}
2340		2659
2341	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2342		2661
2343	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2346		2665
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2668	undef $fh;
2350	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2351		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2354	}	2677	}
2355	}	2678	}
2356		2679
2357	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2359		2682
2360	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2361		2684
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2685	$self->enter_link;
2374		2686
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2687	(async {
2380	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2381	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
2382	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2383		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
2384	1;	2711	1
2385	}) {	2712	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "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. "
2388	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2717
2391	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2410		2737
2411	utf8::encode $text;	2738	utf8::encode $text;
2412	$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);
2413	}	2740	}
2414		2741
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2743
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2421		2748
2422	=cut	2749	=cut
2423		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2424	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2811
2427	$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	}
2428		2836
2429	return unless @extra || length $msg;	2837	return unless @extra || length $msg;
2430		2838
2431	if ($self->can_msg) {	2839	if ($self->can_msg) {
2432	$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);
2433	} else {	2860	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	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
2445	if (0 && $msg =~ /\[/) {	2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2879	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2881	$self->send_packet ("drawinfo $color $msg")
2450	}	2882	}
2451	}	2883	}
2452	}	2884	}
2453	}	2885	}
2454		2886
2455	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2456		2888
2457	Sends an ext event to the client.	2889	Sends an ext event to the client.
2458		2890
2459	=cut	2891	=cut
2460		2892
2461	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2463		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2465	$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	}
2466	}	2920	}
2467		2921
2468	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2469		2923
2470	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2979	my ($ns, $buf) = @_;
2526		2980
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2982
2529	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
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2991	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	2992	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
2536	} else {	2998	} else {
2537	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";
2538	}	3000	}
2539		3001
2540	cf::override;	3002	cf::override;
…		…
2587	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2589		3051
2590	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2591		3053
2592	$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	));
2593		3059
2594	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2595		3061
2596	=pod	3062	=pod
2597		3063
2598	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2599		3065
2600	cf::object	3066	cf::object
2601	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
2602	insert remove	3068	insert remove name archname title slaying race decrease split
2603		3069
2604	cf::object::player	3070	cf::object::player
2605	player	3071	player
2606		3072
2607	cf::player	3073	cf::player
…		…
2612		3078
2613	=cut	3079	=cut
2614		3080
2615	for (	3081	for (
2616	["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
2617	insert remove)],	3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2618	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2621	) {	3088	) {
2622	no strict 'refs';	3089	no strict 'refs';
…		…
2698	# the server's init and main functions	3165	# the server's init and main functions
2699		3166
2700	sub load_facedata($) {	3167	sub load_facedata($) {
2701	my ($path) = @_;	3168	my ($path) = @_;
2702		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
2703	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2704		3177
2705	my $facedata;	3178	my $facedata;
2706	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3180	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2710		3183
2711	$facedata->{version} == 2	3184	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		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
2714	{	3194	{
2715	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2716		3196
2717	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3204
		3205	cf::cede_to_tick;
2723	}	3206	}
2724		3207
2725	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2727	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2728	or next;	3212	or next;
		3213
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3217	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3219	}
2734	Coro::cede;	3220
		3221	cf::cede_to_tick;
2735	}	3222	}
2736	}	3223	}
2737		3224
2738	{	3225	{
2739	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2740		3227
2741	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3230	cf::cede_to_tick;
2744	}	3231	}
2745		3232
2746	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2747	}	3234	}
2748		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
2749	1	3271	1
2750	}	3272	}
2751		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
2752	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
2753	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2754	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	}
2755	}	3324	}
2756		3325
2757	sub reload_facedata {	3326	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
2760	}	3329	}
2761		3330
2762	sub reload_archetypes {	3331	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3334	}
2771		3335
2772	sub reload_treasures {	3336	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
2775	}	3339	}
2776		3340
2777	sub reload_resources {	3341	sub reload_resources {
2778	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2779		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2780	reload_regions;	3346	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3347	reload_treasures;
2785		3348
2786	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2787	}	3350	}
2788		3351
2789	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2790	reload_resources;	3357	reload_resources;
2791	}	3358	}
2792		3359
2793	sub cfg_load {	3360	sub reload_config {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3362	or return;
2796		3363
2797	local $/;	3364	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2799		3366
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3368
2802	$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};
2803	$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};
…		…
2809	};	3376	};
2810	warn $@ if $@;	3377	warn $@ if $@;
2811	}	3378	}
2812	}	3379	}
2813		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
2814	sub main {	3400	sub main {
		3401	atomic;
		3402
2815	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2817	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#
2818	(async {	3406	(async {
2819	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2821	};	3410	};
2822		3411
2823	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2824	db_init;	3415	db_init;
2825	load_extensions;	3416	load_extensions;
2826		3417
2827	$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
2828	Event::loop;	3426	EV::loop;
2829	}	3427	}
2830		3428
2831	#############################################################################	3429	#############################################################################
2832	# initialisation and cleanup	3430	# initialisation and cleanup
2833		3431
2834	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2835	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2844	},
2845	);	3438	};
2846	}	3439	}
2847	}	3440	}
2848		3441
2849	sub write_runtime {	3442	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";
2851
2852	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
2854		3445
2855	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3447
2857	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
2858		3449
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2860	or return;	3451	or return;
2861		3452
2862	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
2875		3466
2876	close $fh	3467	close $fh
2877	or return;	3468	or return;
2878		3469
2879	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3471	and return;
2881		3472
2882	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
2883		3474
2884	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2885	}	3519	}
2886		3520
2887	sub emergency_save() {	3521	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2889		3523
…		…
2895	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2897	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3535	$pl->save;
2901	}	3536	}
2902	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2903		3538
2904	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2910	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2911		3546
2912	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2915	};	3554	};
2916		3555
2917	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2918	}	3557	}
2919		3558
2920	sub post_cleanup {	3559	sub post_cleanup {
2921	my ($make_core) = @_;	3560	my ($make_core) = @_;
2922		3561
2923	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2925	}	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 $RELOAD; # how many times to reload
2926		3596
2927	sub do_reload_perl() {	3597	sub do_reload_perl() {
2928	# can/must only be called in main	3598	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2931	return;	3601	return;
2932	}	3602	}
2933		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2934	warn "reloading...";	3607	warn "reloading...";
2935		3608
2936	warn "entering sync_job";	3609	warn "entering sync_job";
2937		3610
2938	cf::sync_job {	3611	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3613	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2942		3615
2943	warn "syncing database to disk";	3616	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3618
2946	# 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
2947		3620
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3624	}
2985		3625
2986	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2988	}	3628	%EXT_CORO = ();
2989		3629
2990	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3639	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3640
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3001	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3002	}	3650	}
3003		3651
3004	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 $k;
3005	}	3667	}
3006		3668
3007	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3009	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);
3010		3672
3011	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3014		3676
3015	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3678	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3018		3680
3019	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3020		3682
3021	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3022	require cf;	3684	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3686
3025	warn "loading config and database again";	3687	warn "loading config and database again";
3026	cf::cfg_load;	3688	cf::reload_config;
3027		3689
3028	warn "loading extensions";	3690	warn "loading extensions";
3029	cf::load_extensions;	3691	cf::load_extensions;
3030		3692
3031	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3037		3699
3038	warn "leaving sync_job";	3700	warn "leaving sync_job";
3039		3701
3040	1	3702	1
3041	} or do {	3703	} or do {
3042	warn $@;	3704	warn $@;
3043	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3706	};
3046		3707
3047	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3048	};	3711	};
3049		3712
3050	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3051		3714
3052	sub reload_perl() {	3715	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3055		3718
3056	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3057	reentrant => 0,
3058	after => 0,
3059	data => WF_AUTOCANCEL,
3060	cb => sub {
3061	do_reload_perl;	3720	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3063	},
3064	);	3722	};
3065	}	3723	}
3066		3724
3067	register_command "reload" => sub {	3725	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3069		3727
3070	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3732	reload_perl;
		3733	};
3073	}	3734	}
3074	};	3735	};
3075		3736
3076	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3077		3738
…		…
3079		3740
3080	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3082		3743
3083	sub wait_for_tick {	3744	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3086		3746
3087	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3749	$signal->wait;
3090	}	3750	}
3091		3751
3092	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3095		3754
3096	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3757	$signal->wait;
3099	}	3758	}
3100		3759
3101	my $min = 1e6;#d#	3760	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3113	return;	3764	return;
3114	}	3765	}
3115		3766
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3119		3768
3120	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3771	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3124	or die;	3773	write_runtime_sync
3125		3774	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3775	};
		3776	}
3142		3777
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3779	$sig->send;
3159	}	3780	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3782	$sig->send;
3162	}	3783	}
3163		3784
3164	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3787
3175	_post_tick;	3788	if (0) {
3176		3789	if ($NEXT_TICK) {
3177		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3178	},	3794	}
3179	);	3795	}
3180		3796
3181	{	3797	{
3182	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3799
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3192		3801	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3803
3208	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3209	$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);
3210		3811
3211	cf::sync_job {	3812	cf::sync_job {
3212	eval {	3813	eval {
3213	BDB::db_env_open	3814	BDB::db_env_open
3214	$DB_ENV,	3815	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3819	0666;
3219		3820
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3822	};
3225		3823
3226	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3825	};
3228	}	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	};
3229	}	3837	}
3230		3838
3231	{	3839	{
		3840	# configure IO::AIO
		3841
3232	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3845	}
3245		3846
3246	my $_log_backtrace;	3847	my $_log_backtrace;
3247		3848
3248	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3252		3853
3253	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3256	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3257	my @bt = fork_call {	3861	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	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 |"
3261	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3269	}	3873	}
3270		3874
3271	@funcs	3875	@funcs
3272	};	3876	};
3273		3877
3274	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	3881	--$_log_backtrace;
3277	};	3882	};
3278	} else {	3883	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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