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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.297 by root, Thu Jul 5 08:10:30 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		69
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
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		71
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		73
50	our %COMMAND = ();	74	our %COMMAND = ();
…		…
57	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
58		82
59	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
60	our @EVENT;	84	our @EVENT;
61		85
62	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	87	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
73		101
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	104	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	110	our $DB_ENV;
84		111
85	our %CFG;	112	our %CFG;
86		113
87	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
89		117
90	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
93		121
94	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		124
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
100		129
101	binmode STDOUT;	130	binmode STDOUT;
102	binmode STDERR;	131	binmode STDERR;
103		132
104	# read virtual server time, if available	133	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
109	}	138	}
110		139
111	mkdir $_	140	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		186
158	The raw value load value from the last tick.	187	The raw value load value from the last tick.
159		188
160	=item %cf::CFG	189	=item %cf::CFG
161		190
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	192	from wherever your confdir points to.
164		193
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		195
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	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	197	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.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
171	=back	206	=back
172		207
173	=cut	208	=cut
174		209
175	BEGIN {	210	BEGIN {
…		…
179	$msg .= "\n"	214	$msg .= "\n"
180	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
181		216
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		218
184	utf8::encode $msg;
185	LOG llevError, $msg;	219	LOG llevError, $msg;
186	};	220	};
187	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
188		237
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	248	for my $pkg (qw(
200	cf::global cf::attachable	249	cf::global cf::attachable
201	cf::object cf::object::player	250	cf::object cf::object::player
202	cf::client cf::player	251	cf::client cf::player
203	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
204	cf::map cf::party cf::region	254	cf::party cf::region
205	)) {	255	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	257	}
209		258
210	$Event::DIED = sub {	259	$EV::DIED = sub {
211	warn "error in event callback: @_";	260	warn "error in event callback: @_";
212	};	261	};
213		262
214	#############################################################################	263	#############################################################################
215		264
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	288	$d
240	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
241	}	290	}
242		291
243	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
244		293
245	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
246		295
247	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
248		297
249	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
250		299
251	=cut	300	=cut
252		301
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		303
255	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
257		306
258	=item cf::lock_wait $string	307	=item cf::lock_wait $string
259		308
260	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
261		310
…		…
264	Wait until the given lock is available and then acquires it and returns	313	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,	314	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	315	for example when the coroutine gets canceled), the lock is automatically
267	returned.	316	returned.
268		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
269	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
271		323
272	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
273		325
274	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
275		327
276	=cut	328	=cut
277		329
278	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
279		332
280	sub lock_wait($) {	333	sub lock_wait($) {
281	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
282		340
283	# wait for lock, if any	341	# wait for lock, if any
284	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	344	Coro::schedule;
…		…
292		350
293	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
294	lock_wait $key;	352	lock_wait $key;
295		353
296	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
297		356
298	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
301	}	361	}
302	}	362	}
303		363
…		…
306		366
307	! ! $LOCK{$key}	367	! ! $LOCK{$key}
308	}	368	}
309		369
310	sub freeze_mainloop {	370	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
312		372
313	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
315	};	434	}
316	$TICK_WATCHER->stop;	435	};
317	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
318	}	449	}
319		450
320	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
321		452
322	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		458
328	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
329		460
330	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
331		462
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	464	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	466	acceptable.
336		467
337	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		474
344	sub sync_job(&) {	475	sub sync_job(&) {
345	my ($job) = @_;	476	my ($job) = @_;
346		477
347	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	479	my $time = EV::time;
349		480
350	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
352		483
353	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	485
355	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
356		487
357	my $busy = 1;	488	my $busy = 1;
358	my @res;	489	my @res;
359		490
360	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	493	@res = eval { $job->() };
362	warn $@ if $@;	494	warn $@ if $@;
363	undef $busy;	495	undef $busy;
364	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
365		497
366	while ($busy) {	498	while ($busy) {
367	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
368	}	503	}
		504	}
369		505
370	$time = Event::time - $time;	506	my $time = EV::time - $time;
371		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
376		509
377	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
378	} else {	511	} else {
379	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
380		513
…		…
405	=item fork_call { }, $args	538	=item fork_call { }, $args
406		539
407	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
411		544
412	=cut	545	=cut
413		546
414	sub fork_call(&@) {	547	sub fork_call(&@) {
415	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
416		549
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	550	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	551	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	552	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		553
422	if (my $pid = fork) {	554	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	555	reset_signals;
435	local $SIG{__WARN__};	556	&$cb
436	local $SIG{__DIE__};	557	}, @args;
437	eval {
438	close $fh1;
439		558
440	my @res = eval { $cb->(@args) };	559	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	560	}
442	};
443		561
444	warn $@ if $@;	562	=item $coin = coin_from_name $name
445	_exit 0;	563
446	}	564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
447	}	587	}
448		588
449	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
450		590
451	Returns a single value from the environment database.	591	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	593	=item cf::db_put $family => $key => $value
454		594
455	Stores the given C<$value> in the family. It can currently store binary	595	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
458	=cut	603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
459		621
460	our $DB;	622	our $DB;
461		623
462	sub db_init {	624	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	625	cf::sync_job {
467	eval {	626	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	627	};
477	}	628	}
478		629
479	sub db_get($$) {	630	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	631	my $key = "$_[0]/$_[1]";
481		632
…		…
531	if (1) {	682	if (1) {
532	$md5 =	683	$md5 =
533	join "\x00",	684	join "\x00",
534	$processversion,	685	$processversion,
535	map {	686	map {
536	Coro::cede;	687	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	688	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	689	} 0.. $#$src;
539		690
540		691
541	my $dbmd5 = db_get cache => "$id/md5";	692	my $dbmd5 = db_get cache => "$id/md5";
…		…
585	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
587		738
588	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	741	Deliantra).
591		742
592	=over 4	743	=over 4
593		744
594	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
595		746
…		…
847	";	998	";
848	die if $@;	999	die if $@;
849	}	1000	}
850		1001
851	our $override;	1002	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1004
854	sub override {	1005	sub override {
855	$override = 1;	1006	$override = 1;
856	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
857	}	1008	}
858		1009
859	sub do_invoke {	1010	sub do_invoke {
860	my $event = shift;	1011	my $event = shift;
861	my $callbacks = shift;	1012	my $callbacks = shift;
862		1013
863	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
864		1015
865	local $override;	1016	local $override;
866		1017
867	for (@$callbacks) {	1018	for (@$callbacks) {
868	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
877	}	1028	}
878		1029
879	0	1030	0
880	}	1031	}
881		1032
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1034
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1036
886	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
887		1038
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1042
892	=back	1043	=back
893		1044
894	=cut	1045	=cut
895		1046
896	#############################################################################	1047	#############################################################################
897	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
898		1091
899	sub reattach {	1092	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1094	my ($obj) = @_;
902		1095
		1096	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1098
905	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
906		1100
907	@$registry = ();	1101	@$registry = ();
908		1102
…		…
923	cf::attachable->attach (	1117	cf::attachable->attach (
924	prio => -1000000,	1118	prio => -1000000,
925	on_instantiate => sub {	1119	on_instantiate => sub {
926	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
927		1121
928	$data = from_json $data;	1122	$data = decode_json $data;
929		1123
930	for (@$data) {	1124	for (@$data) {
931	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
932		1126
933	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1143	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
951		1145
952	sync_job {	1146	sync_job {
953	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
956		1151
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1156	aio_close $fh;
962		1157
963	if (@$objs) {	1158	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1164	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
971	}	1166	}
972	} else {	1167	} else {
973	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
974	}	1169	}
…		…
979	}	1174	}
980	} else {	1175	} else {
981	aio_unlink $filename;	1176	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
983	}	1178	}
984	}	1179	};
985	}	1180	}
986		1181
987	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
989		1184
…		…
1001	or return;	1196	or return;
1002		1197
1003	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1200	or return;
		1201
1006	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1007	}	1204	}
1008		1205
		1206	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1011	return ($data, $av);	1210	($data, $av)
1012	}	1211	}
1013		1212
1014	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1015		1214
1016	=over 4	1215	=over 4
…		…
1089	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
1090		1289
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1291
1093	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
1099	} else {	1307	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1309	}
1102		1310
1103	cf::override;	1311	cf::override;
…		…
1130		1338
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1341
1134	$ext{source} =	1342	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1137	. $source	1345	. $source
1138	. "\n};\n1";	1346	. "\n};\n1";
1139		1347
1140	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1158		1366
1159	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1368	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1370	}
1164		1371
1165	warn $msg;	1372	warn $msg;
1166	}	1373	}
1167		1374
…		…
1192	use Coro::AIO;	1399	use Coro::AIO;
1193		1400
1194	=head3 cf::player	1401	=head3 cf::player
1195		1402
1196	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1197		1418
1198	=item cf::player::find $login	1419	=item cf::player::find $login
1199		1420
1200	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1201		1422
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1462
1242	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1245	}	1472	}
1246	}	1473	}
1247	}	1474	}
1248		1475
…		…
1257	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1258		1485
1259	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1261		1488
		1489	cf::get_slot 0.01;
		1490
1262	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1263	Coro::cede;	1492	cf::cede_to_tick;
1264	}	1493	}
1265		1494
1266	sub new($) {	1495	sub new($) {
1267	my ($login) = @_;	1496	my ($login) = @_;
1268		1497
…		…
1274	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1275		1504
1276	$self	1505	$self
1277	}	1506	}
1278		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1279	=item $pl->quit_character	1518	=item $pl->quit_character
1280		1519
1281	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1283		1522
…		…
1287	my ($pl) = @_;	1526	my ($pl) = @_;
1288		1527
1289	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1290		1529
1291	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1532
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1298		1539
1299	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1577	or return [];
1337		1578
1338	my @logins;	1579	my @logins;
1339		1580
1340	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1344		1591
1345	utf8::decode $login;	1592	utf8::decode $login;
1346	push @logins, $login;	1593	push @logins, $login;
1347	}	1594	}
1348		1595
…		…
1379		1626
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1381		1628
1382	Expand crossfire pod fragments into protocol xml.	1629	Expand crossfire pod fragments into protocol xml.
1383		1630
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1431		1632
1432	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1433		1634
1434	=cut	1635	=cut
1435		1636
1436	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1438		1639
1439	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1641	}
1442		1642
1443	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1444		1644
1445	Sends an ext event to the client.	1645	Sends an ext event to the client.
1446		1646
1447	=cut	1647	=cut
1448		1648
1449	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1451		1651
1452	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1453	}	1653	}
1454		1654
1455	=head3 cf::region	1655	=head3 cf::region
1456		1656
1457	=over 4	1657	=over 4
…		…
1470	my ($path) = @_;	1670	my ($path) = @_;
1471		1671
1472	my ($match, $specificity);	1672	my ($match, $specificity);
1473		1673
1474	for my $region (list) {	1674	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1478	}	1678	}
1479	}	1679	}
1480		1680
…		…
1501	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1503		1703
1504	sub generate_random_map {	1704	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1506	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1710	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1601	return $self;	1804	return $self;
1602	}	1805	}
1603	}	1806	}
1604		1807
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1809	()
1607	}	1810	}
1608		1811
1609	sub init {	1812	sub init {
1610	my ($self) = @_;	1813	my ($self) = @_;
…		…
1632		1835
1633	# the temporary/swap location	1836	# the temporary/swap location
1634	sub save_path {	1837	sub save_path {
1635	my ($self) = @_;	1838	my ($self) = @_;
1636		1839
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1639	}	1842	}
1640		1843
1641	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1642	sub uniq_path {	1845	sub uniq_path {
1643	my ($self) = @_;	1846	my ($self) = @_;
1644		1847
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1647	}	1850	}
1648		1851
1649	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1650	# all maps in C++...	1853	# all maps in C++...
…		…
1673		1876
1674	sub load_header_from($) {	1877	sub load_header_from($) {
1675	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1676		1879
1677	utf8::encode $path;	1880	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1683		1889
1684	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1685		1891
1686	1	1892	1
1687	}	1893	}
…		…
1741	sub find {	1947	sub find {
1742	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1743		1949
1744	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1745		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1747		1954
1748	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1749	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1750	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1751	or return;	1960	or return;
1752		1961
1753	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1754		1963
…		…
1756	or return;	1965	or return;
1757		1966
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1761	$map->reset;	1972	$map->reset;
1762	undef $guard;
1763	return find $path;	1973	return find $path;
1764	}	1974	}
1765		1975
1766	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1767	}	1977	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1777		1987
1778	my $path = $self->{path};	1988	my $path = $self->{path};
1779		1989
1780	{	1990	{
1781	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1782		1992
		1993	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		1995
1785	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1786		1997
1787	$self->alloc;	1998	$self->alloc;
1788		1999
1789	$self->pre_load;	2000	$self->pre_load;
1790	Coro::cede;	2001	cf::cede_to_tick;
1791		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1793	or return;	2006	or return;
1794		2007
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1796	if delete $self->{load_original};	2009	if delete $self->{load_original};
1797		2010
1798	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2012	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2015	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1803	}	2019	}
1804	}	2020	}
1805		2021
1806	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1807	# now do the right thing for maps	2025	# now do the right thing for maps
1808	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2028	unless $self->difficulty;
1811	Coro::cede;	2029	cf::cede_to_tick;
1812		2030
1813	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2032	$self->decay_objects;
1815	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1816	$self->update_buttons;	2034	$self->update_buttons;
1817	Coro::cede;	2035	cf::cede_to_tick;
1818	$self->set_darkness_map;	2036	$self->set_darkness_map;
1819	Coro::cede;	2037	cf::cede_to_tick;
1820	$self->activate;	2038	$self->activate;
1821	}	2039	}
1822		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2045	}
1825		2046
1826	$self->post_load;	2047	$self->post_load;
1827	}	2048	}
1828		2049
…		…
1837		2058
1838	$self	2059	$self
1839	}	2060	}
1840		2061
1841	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2063	sub load_neighbours {
1843	my ($map) = @_;	2064	my ($map) = @_;
1844		2065
1845	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1846		2067
1847	for (0 .. 3) {	2068	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1849	or next;	2070	or next;
1850	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1851	or next;	2072	or next;
1852	$neigh->load;	2073	$neigh->load;
1853		2074
		2075	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2078	}
1857		2079
1858	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1860	or next;	2083	or next;
1861	$neigh->load;	2084	$neigh->load;
1862	}	2085	}
1863	}	2086	}
1864		2087
…		…
1869	}	2092	}
1870		2093
1871	sub do_load_sync {	2094	sub do_load_sync {
1872	my ($map) = @_;	2095	my ($map) = @_;
1873		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1874	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1875	}	2101	}
1876		2102
1877	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1879		2105
1880	sub find_async {	2106	sub find_async {
1881	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1882		2108
1883	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1884		2110
1885	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2113	}
1888		2114
1889	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1890	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1891	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2122	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2123	$map->load if $v;
		2124	}
1896		2125
1897	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1898	}	2127	}
1899	}	2128	}
1900	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1901	};	2130	};
1902	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2134	}
1906		2135
1907	sub save {	2136	sub save {
1908	my ($self) = @_;	2137	my ($self) = @_;
1909		2138
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2140
1912	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1913		2142
1914	return unless $self->dirty;	2143	return unless $self->dirty;
1915		2144
…		…
1921	return if $self->{deny_save};	2150	return if $self->{deny_save};
1922		2151
1923	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1924		2153
1925	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1927	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1928		2160
1929	if ($uniq) {	2161	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2164	} else {
…		…
1938	my ($self) = @_;	2170	my ($self) = @_;
1939		2171
1940	# save first because save cedes	2172	# save first because save cedes
1941	$self->save;	2173	$self->save;
1942		2174
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2176
1945	return if $self->players;	2177	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2179	return if $self->{deny_save};
1948		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2185	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2186	}
1952		2187
1953	sub reset_at {	2188	sub reset_at {
1954	my ($self) = @_;	2189	my ($self) = @_;
1955		2190
…		…
1987	if $uniq;	2222	if $uniq;
1988	}	2223	}
1989		2224
1990	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1991		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2229	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2230
1996	$self->unlink_save;	2231	$self->unlink_save;
1997	$self->destroy;	2232	$self->destroy;
1998	}	2233	}
1999		2234
2000	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
2001		2236
2002	sub nuke {	2237	sub nuke {
2003	my ($self) = @_;	2238	my ($self) = @_;
2004		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
2005	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
2006		2244
2007	$self->unlink_save;	2245	$self->unlink_save;
2008		2246
2009	bless $self, "cf::map";	2247	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2252
2015	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
2016		2255
2017	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
2018	}	2257	}
2019		2258
2020	=item $maps = cf::map::tmp_maps	2259	=item $maps = cf::map::tmp_maps
…		…
2062		2301
2063	sub unique_maps() {	2302	sub unique_maps() {
2064	[	2303	[
2065	map {	2304	map {
2066	utf8::decode $_;	2305	utf8::decode $_;
2067	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2068	? normalise $_	2309	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2311	]
2072	}	2312	}
2073		2313
2074	package cf;
2075
2076	=back	2314	=back
2077		2315
2078	=head3 cf::object	2316	=head3 cf::object
2079		2317
2080	=cut	2318	=cut
…		…
2083		2321
2084	=over 4	2322	=over 4
2085		2323
2086	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2087		2325
2088	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2089		2328
2090	=cut	2329	=cut
2091		2330
2092	sub inv_recursive_;	2331	sub inv_recursive_;
2093	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2096		2335
2097	sub inv_recursive {	2336	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2099	}	2338	}
2100		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
2101	package cf;	2368	package cf;
2102		2369
2103	=back	2370	=back
2104		2371
2105	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2114		2381
2115	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
2116		2397
2117	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2399	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
2127		2408
2128	} else {	2409	} else {
2129	my $pl = $self->contr;	2410	my $pl = $self->contr;
2130		2411
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2415
2140	} else {	2416	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2419	}
2144	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
2145	}	2431	}
2146		2432
2147	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
2148		2434
2149	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
2162		2448
2163	=item $player_object->enter_link	2449	=item $player_object->enter_link
2164		2450
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2452
2167	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2169		2457
2170	Will never block.	2458	Will never block.
2171		2459
2172	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2173		2461
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
2231		2519
2232	$map->load;	2520	$map->load;
2233	$map->load_diag;	2521	$map->load_neighbours;
2234		2522
2235	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2525	$self->activate_recursive;
2237		2526
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2240	}	2529	}
2241		2530
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2532
2244	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
2248		2541
2249	=cut	2542	=cut
2250		2543
2251	our $GOTOGEN;	2544	our $GOTOGEN;
2252		2545
2253	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2548
2256	# do generation counting so two concurrent goto's will be executed in-order	2549	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2551
2259	$self->enter_link;	2552	$self->enter_link;
2260		2553
2261	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
2262	my $map = eval {	2576	my $map = eval {
2263	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
2264		2578
2265	if ($map) {	2579	if ($map) {
2266	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
2268	} else {	2582	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2584	}
2271		2585
2272	$map	2586	$map
2273	};	2587	};
2274		2588
…		…
2279		2593
2280	if ($gen == $self->{_goto_generation}) {	2594	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2595	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
2283	}	2597	}
		2598
		2599	$done->() if $done;
2284	})->prio (1);	2600	})->prio (1);
2285	}	2601	}
2286		2602
2287	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
2288		2604
…		…
2308	}	2624	}
2309		2625
2310	sub prepare_random_map {	2626	sub prepare_random_map {
2311	my ($exit) = @_;	2627	my ($exit) = @_;
2312		2628
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2631	# that depends on the exit object
2318		2632
2319	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2635	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2326	}	2642	}
2327		2643
2328	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2329		2645
2330	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2333		2649
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2652	undef $fh;
2337	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2338		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2341	}	2661	}
2342	}	2662	}
2343		2663
2344	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2346		2666
2347	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2348		2668
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2669	$self->enter_link;
2361		2670
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	2671	(async {
2367	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2368	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2369	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2370		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2371	1;	2695	1
2372	}) {	2696	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2374	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2375	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2397		2721
2398	utf8::encode $text;	2722	utf8::encode $text;
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400	}	2724	}
2401		2725
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		2727
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	2728	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	2729	client if neccessary. C<$type> should be a string identifying the type of
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	2730	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	2731	the message unless the client supports the msg packet.
2408		2732
2409	=cut	2733	=cut
2410		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
2411	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2413		2795
2414	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg);
2415		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
2416	return unless @extra || length $msg;	2820	return unless @extra || length $msg;
2417		2821
2418	if ($self->can_msg) {	2822	if ($self->can_msg) {
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
2420	} else {	2843	} else {
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430
2431	if ($color >= 0) {	2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
2432	if (0 && $msg =~ /\[/) {	2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
2434	} else {	2862	} else {
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")	2864	$self->send_packet ("drawinfo $color $msg")
2437	}	2865	}
2438	}	2866	}
2439	}	2867	}
2440	}	2868	}
2441		2869
2442	=item $client->ext_event ($type, %msg)	2870	=item $client->ext_msg ($type, @msg)
2443		2871
2444	Sends an ext event to the client.	2872	Sends an ext event to the client.
2445		2873
2446	=cut	2874	=cut
2447		2875
2448	sub cf::client::ext_event($$%) {	2876	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	2877	my ($self, $type, @msg) = @_;
2450		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	2882	push @msg, msgtype => "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
2453	}	2903	}
2454		2904
2455	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
2456		2906
2457	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	2962	my ($ns, $buf) = @_;
2513		2963
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		2965
2516	if (ref $msg) {	2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2974	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	2975	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
2523	} else {	2981	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	2983	}
2526		2984
2527	cf::override;	2985	cf::override;
…		…
2574	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2576		3034
2577	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2578		3036
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2580		3042
2581	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2582		3044
2583	=pod	3045	=pod
2584		3046
2585	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2586		3048
2587	cf::object	3049	cf::object
2588	contr pay_amount pay_player map x y force_find force_add	3050	contr pay_amount pay_player map x y force_find force_add destroy
2589	insert remove	3051	insert remove name archname title slaying race decrease split
2590		3052
2591	cf::object::player	3053	cf::object::player
2592	player	3054	player
2593		3055
2594	cf::player	3056	cf::player
…		…
2599		3061
2600	=cut	3062	=cut
2601		3063
2602	for (	3064	for (
2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2604	insert remove)],	3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2605	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2606	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2607	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2608	) {	3071	) {
2609	no strict 'refs';	3072	no strict 'refs';
…		…
2685	# the server's init and main functions	3148	# the server's init and main functions
2686		3149
2687	sub load_facedata($) {	3150	sub load_facedata($) {
2688	my ($path) = @_;	3151	my ($path) = @_;
2689		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3158
2690	warn "loading facedata from $path\n";	3159	warn "loading facedata from $path\n";
2691		3160
2692	my $facedata;	3161	my $facedata;
2693	0 < aio_load $path, $facedata	3162	0 < aio_load $path, $facedata
2694	or die "$path: $!";	3163	or die "$path: $!";
…		…
2696	$facedata = Coro::Storable::thaw $facedata;	3165	$facedata = Coro::Storable::thaw $facedata;
2697		3166
2698	$facedata->{version} == 2	3167	$facedata->{version} == 2
2699	or cf::cleanup "$path: version mismatch, cannot proceed.";	3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
2700		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
2701	{	3177	{
2702	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2703		3179
2704	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2709	Coro::cede;	3187
		3188	cf::cede_to_tick;
2710	}	3189	}
2711		3190
2712	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2713	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2714	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2715	or next;	3195	or next;
		3196
2716	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718	} else {	3200	} else {
2719	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
2720	}	3202	}
2721	Coro::cede;	3203
		3204	cf::cede_to_tick;
2722	}	3205	}
2723	}	3206	}
2724		3207
2725	{	3208	{
2726	my $anims = $facedata->{animinfo};	3209	my $anims = $facedata->{animinfo};
2727		3210
2728	while (my ($anim, $info) = each %$anims) {	3211	while (my ($anim, $info) = each %$anims) {
2729	cf::anim::set $anim, $info->{frames}, $info->{facings};	3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
2730	Coro::cede;	3213	cf::cede_to_tick;
2731	}	3214	}
2732		3215
2733	cf::anim::invalidate_all; # d'oh	3216	cf::anim::invalidate_all; # d'oh
2734	}	3217	}
2735		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
2736	1	3254	1
2737	}	3255	}
2738		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
2739	sub reload_regions {	3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
2740	load_resource_file "$MAPDIR/regions"	3300	load_resource_file "$MAPDIR/regions"
2741	or die "unable to load regions file\n";	3301	or die "unable to load regions file\n";
		3302
		3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
2742	}	3307	}
2743		3308
2744	sub reload_facedata {	3309	sub reload_facedata {
2745	load_facedata "$DATADIR/facedata"	3310	load_facedata "$DATADIR/facedata"
2746	or die "unable to load facedata\n";	3311	or die "unable to load facedata\n";
2747	}	3312	}
2748		3313
2749	sub reload_archetypes {	3314	sub reload_archetypes {
2750	load_resource_file "$DATADIR/archetypes"	3315	load_resource_file "$DATADIR/archetypes"
2751	or die "unable to load archetypes\n";	3316	or die "unable to load archetypes\n";
2752	#d# NEED to laod twice to resolve forward references
2753	# this really needs to be done in an extra post-pass
2754	# (which needs to be synchronous, so solve it differently)
2755	load_resource_file "$DATADIR/archetypes"
2756	or die "unable to load archetypes\n";
2757	}	3317	}
2758		3318
2759	sub reload_treasures {	3319	sub reload_treasures {
2760	load_resource_file "$DATADIR/treasures"	3320	load_resource_file "$DATADIR/treasures"
2761	or die "unable to load treasurelists\n";	3321	or die "unable to load treasurelists\n";
2762	}	3322	}
2763		3323
2764	sub reload_resources {	3324	sub reload_resources {
2765	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
2766		3326
		3327	reload_facedata;
		3328	reload_archetypes;
2767	reload_regions;	3329	reload_regions;
2768	reload_facedata;
2769	#reload_archetypes;#d#
2770	reload_archetypes;
2771	reload_treasures;	3330	reload_treasures;
2772		3331
2773	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
2774	}	3333	}
2775		3334
2776	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
2777	reload_resources;	3340	reload_resources;
2778	}	3341	}
2779		3342
2780	sub cfg_load {	3343	sub reload_config {
2781	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2782	or return;	3345	or return;
2783		3346
2784	local $/;	3347	local $/;
2785	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2786		3349
2787	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2788		3351
2789	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2790	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2796	};	3359	};
2797	warn $@ if $@;	3360	warn $@ if $@;
2798	}	3361	}
2799	}	3362	}
2800		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
2801	sub main {	3383	sub main {
		3384	atomic;
		3385
2802	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2803	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2804	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2805	(async {	3389	(async {
2806	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2807	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2808	};	3393	};
2809		3394
2810	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2811	db_init;	3398	db_init;
2812	load_extensions;	3399	load_extensions;
2813		3400
2814	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2815	Event::loop;	3409	EV::loop;
2816	}	3410	}
2817		3411
2818	#############################################################################	3412	#############################################################################
2819	# initialisation and cleanup	3413	# initialisation and cleanup
2820		3414
2821	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2822	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2823	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2824	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2825	reentrant => 0,
2826	data => WF_AUTOCANCEL,
2827	signal => $signal,
2828	prio => 0,
2829	cb => sub {
2830	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2831	},
2832	);	3421	};
2833	}	3422	}
2834	}	3423	}
2835		3424
2836	sub write_runtime {	3425	sub write_runtime_sync {
2837	my $runtime = "$LOCALDIR/runtime";
2838
2839	# first touch the runtime file to show we are still running:	3426	# first touch the runtime file to show we are still running:
2840	# the fsync below can take a very very long time.	3427	# the fsync below can take a very very long time.
2841		3428
2842	IO::AIO::aio_utime $runtime, undef, undef;	3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843		3430
2844	my $guard = cf::lock_acquire "write_runtime";	3431	my $guard = cf::lock_acquire "write_runtime";
2845		3432
2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2847	or return;	3434	or return;
2848		3435
2849	my $value = $cf::RUNTIME + 90 + 10;	3436	my $value = $cf::RUNTIME + 90 + 10;
2850	# 10 is the runtime save interval, for a monotonic clock	3437	# 10 is the runtime save interval, for a monotonic clock
2851	# 60 allows for the watchdog to kill the server.	3438	# 60 allows for the watchdog to kill the server.
…		…
2861	aio_utime $fh, undef, undef;	3448	aio_utime $fh, undef, undef;
2862		3449
2863	close $fh	3450	close $fh
2864	or return;	3451	or return;
2865		3452
2866	aio_rename "$runtime~", $runtime	3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867	and return;	3454	and return;
2868		3455
2869	warn "runtime file written.\n";	3456	warn "runtime file written.\n";
2870		3457
2871	1	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2872	}	3502	}
2873		3503
2874	sub emergency_save() {	3504	sub emergency_save() {
2875	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2876		3506
…		…
2882	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2883	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2884	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2885	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2886	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887	$pl->save;	3518	$pl->save;
2888	}	3519	}
2889	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2890		3521
2891	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2897	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2898		3529
2899	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2900	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2901	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2902	};	3537	};
2903		3538
2904	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2905	}	3540	}
2906		3541
2907	sub post_cleanup {	3542	sub post_cleanup {
2908	my ($make_core) = @_;	3543	my ($make_core) = @_;
2909		3544
2910	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
2911	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
2912	}	3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
2913		3579
2914	sub do_reload_perl() {	3580	sub do_reload_perl() {
2915	# can/must only be called in main	3581	# can/must only be called in main
2916	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2917	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2918	return;	3584	return;
2919	}	3585	}
2920		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2921	warn "reloading...";	3590	warn "reloading...";
2922		3591
2923	warn "entering sync_job";	3592	warn "entering sync_job";
2924		3593
2925	cf::sync_job {	3594	cf::sync_job {
2926	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
2927	cf::emergency_save;	3596	cf::emergency_save;
2928	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
2929		3598
2930	warn "syncing database to disk";	3599	warn "syncing database to disk";
2931	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
2932		3601
2933	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2934		3603
2935	warn "cancelling all WF_AUTOCANCEL watchers";
2936	for (Event::all_watchers) {
2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2938	}
2939
2940	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2941	for (;;) {
2942	BDB::flush;
2943	IO::AIO::flush;
2944	Coro::cede;
2945	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2946	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2947	}
2948
2949	++$RELOAD;
2950
2951	warn "cancelling all extension coros";
2952	$_->cancel for values %EXT_CORO;
2953	%EXT_CORO = ();
2954
2955	warn "removing commands";
2956	%COMMAND = ();
2957
2958	warn "removing ext/exti commands";
2959	%EXTCMD = ();
2960	%EXTICMD = ();
2961
2962	warn "unloading/nuking all extensions";
2963	for my $pkg (@EXTS) {
2964	warn "... unloading $pkg";
2965
2966	if (my $cb = $pkg->can ("unload")) {
2967	eval {
2968	$cb->($pkg);
2969	1
2970	} or warn "$pkg unloaded, but with errors: $@";
2971	}	3607	}
2972		3608
2973	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2974	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2975	}	3611	%EXT_CORO = ();
2976		3612
2977	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2978	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2981	warn "... unloading $k";	3622	warn "... unloading $pkg";
2982	delete $INC{$k};
2983		3623
2984	$k =~ s/\.pm$//;
2985	$k =~ s/\//::/g;
2986
2987	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2988	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2989	}	3633	}
2990		3634
2991	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2992	}	3650	}
2993		3651
2994	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2995	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2997		3655
2998	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2999	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
3000	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
3001		3659
3002	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
3003	# and global variables created in xs	3661	# and global variables created in xs
3004	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
3005		3663
3006	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
3007		3665
3008	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
3009	require cf;	3667	require cf;
3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3011		3669
3012	warn "loading config and database again";	3670	warn "loading config and database again";
3013	cf::cfg_load;	3671	cf::reload_config;
3014		3672
3015	warn "loading extensions";	3673	warn "loading extensions";
3016	cf::load_extensions;	3674	cf::load_extensions;
3017		3675
3018	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
3019	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
3020	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
3021	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
3022	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
3023	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
3024		3682
3025	warn "leaving sync_job";	3683	warn "leaving sync_job";
3026		3684
3027	1	3685	1
3028	} or do {	3686	} or do {
3029	warn $@;	3687	warn $@;
3030	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
3031	exit 1;
3032	};	3689	};
3033		3690
3034	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
3035	};	3694	};
3036		3695
3037	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
3038		3697
3039	sub reload_perl() {	3698	sub reload_perl() {
3040	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
3041	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
3042		3701
3043	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3044	reentrant => 0,
3045	after => 0,
3046	data => WF_AUTOCANCEL,
3047	cb => sub {
3048	do_reload_perl;	3703	do_reload_perl;
3049	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
3050	},
3051	);	3705	};
3052	}	3706	}
3053		3707
3054	register_command "reload" => sub {	3708	register_command "reload" => sub {
3055	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
3056		3710
3057	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
3058	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
3059	async { reload_perl };	3715	reload_perl;
		3716	};
3060	}	3717	}
3061	};	3718	};
3062		3719
3063	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
3064		3721
…		…
3066		3723
3067	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
3068	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
3069		3726
3070	sub wait_for_tick {	3727	sub wait_for_tick {
3071	return unless $TICK_WATCHER->is_active;
3072	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
3073		3729
3074	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
3075	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
3076	$signal->wait;	3732	$signal->wait;
3077	}	3733	}
3078		3734
3079	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
3080	return unless $TICK_WATCHER->is_active;
3081	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
3082		3737
3083	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
3084	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
3085	$signal->wait;	3740	$signal->wait;
3086	}	3741	}
3087		3742
3088	my $min = 1e6;#d#	3743	sub tick {
3089	my $avg = 10;
3090	$TICK_WATCHER = Event->timer (
3091	reentrant => 0,
3092	parked => 1,
3093	prio => 0,
3094	at => $NEXT_TICK || $TICK,
3095	data => WF_AUTOCANCEL,
3096	cb => sub {
3097	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
3100	return;	3747	return;
3101	}	3748	}
3102		3749
3103	$NOW = $tick_start = Event::time;
3104
3105	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
3106		3751
3107	0 && sync_job {#d#	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3108	for(1..10) {	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3109	my $t = Event::time;	3754	Coro::async_pool {
3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3755	$Coro::current->{desc} = "runtime saver";
3111	or die;	3756	write_runtime_sync
3112		3757	or warn "ERROR: unable to write runtime file: $!";
3113	$map->width (50);
3114	$map->height (50);
3115	$map->alloc;
3116	$map->_load_objects ("/tmp/x.map", 1);
3117	my $t = Event::time - $t;
3118
3119	#next unless $t < 0.0013;#d#
3120	if ($t < $min) {
3121	$min = $t;
3122	}
3123	$avg = $avg * 0.99 + $t * 0.01;
3124	}
3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126	exit 0;
3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128	};	3758	};
		3759	}
3129		3760
3130	$RUNTIME += $TICK;
3131	$NEXT_TICK += $TICK;
3132
3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
3135	Coro::async_pool {
3136	write_runtime
3137	or warn "ERROR: unable to write runtime file: $!";
3138	};
3139	}
3140
3141	# my $AFTER = Event::time;
3142	# warn $AFTER - $NOW;#d#
3143
3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145	$sig->send;	3762	$sig->send;
3146	}	3763	}
3147	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
3148	$sig->send;	3765	$sig->send;
3149	}	3766	}
3150		3767
3151	$NOW = Event::time;	3768	$LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153	# if we are delayed by four ticks or more, skip them all
3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156	$TICK_WATCHER->at ($NEXT_TICK);
3157	$TICK_WATCHER->start;
3158
3159	$LOAD = ($NOW - $tick_start) / $TICK;
3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161		3770
3162	_post_tick;	3771	if (0) {
3163		3772	if ($NEXT_TICK) {
3164		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
3165	},	3777	}
3166	);	3778	}
3167		3779
3168	{	3780	{
3169	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
3170	$BDB_POLL_WATCHER = Event->io (	3782
3171	reentrant => 0,
3172	fd => BDB::poll_fileno,
3173	poll => 'r',
3174	prio => 0,
3175	data => WF_AUTOCANCEL,
3176	cb => \&BDB::poll_cb,
3177	);
3178	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
3179		3784	BDB::max_poll_reqs $TICK * 0.1;
3180	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
3181	my $status;
3182	my $current = $Coro::current;
3183	(
3184	sub {
3185	$status = $!;
3186	$current->ready; undef $current;
3187	},
3188	sub {
3189	Coro::schedule while defined $current;
3190	$! = $status;
3191	},
3192	)
3193	};
3194		3786
3195	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
3196	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3197		3794
3198	cf::sync_job {	3795	cf::sync_job {
3199	eval {	3796	eval {
3200	BDB::db_env_open	3797	BDB::db_env_open
3201	$DB_ENV,	3798	$DB_ENV,
…		…
3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205	0666;	3802	0666;
3206		3803
3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210	$DB_ENV->set_lk_detect;
3211	};	3805	};
3212		3806
3213	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
3214	};	3808	};
3215	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
3216	}	3820	}
3217		3821
3218	{	3822	{
		3823	# configure IO::AIO
		3824
3219	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
3220
3221	undef $Coro::AIO::WATCHER;
3222	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
3223	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
3224	reentrant => 0,
3225	data => WF_AUTOCANCEL,
3226	fd => IO::AIO::poll_fileno,
3227	poll => 'r',
3228	prio => 6,
3229	cb => \&IO::AIO::poll_cb,
3230	);
3231	}	3828	}
3232		3829
3233	my $_log_backtrace;	3830	my $_log_backtrace;
3234		3831
3235	sub _log_backtrace {	3832	sub _log_backtrace {
…		…
3238	$msg =~ s/\n//;	3835	$msg =~ s/\n//;
3239		3836
3240	# limit the # of concurrent backtraces	3837	# limit the # of concurrent backtraces
3241	if ($_log_backtrace < 2) {	3838	if ($_log_backtrace < 2) {
3242	++$_log_backtrace;	3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
3243	async {	3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
3244	my @bt = fork_call {	3844	my @bt = fork_call {
3245	@addr = map { sprintf "%x", $_ } @addr;	3845	@addr = map { sprintf "%x", $_ } @addr;
3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3248	or die "addr2line: $!";	3848	or die "addr2line: $!";
…		…
3256	}	3856	}
3257		3857
3258	@funcs	3858	@funcs
3259	};	3859	};
3260		3860
3261	LOG llevInfo, "[ABT] $msg\n";	3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262	LOG llevInfo, "[ABT] $_\n" for @bt;	3863	LOG llevInfo, "[ABT] $_\n" for @bt;
3263	--$_log_backtrace;	3864	--$_log_backtrace;
3264	};	3865	};
3265	} else {	3866	} else {
3266	LOG llevInfo, "[ABT] $msg\n";	3867	LOG llevInfo, "[ABT] $msg\n";

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