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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
308	}	441	}
309		442
310	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
311		444
312	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		450
318	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
319		452
320	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
321		454
322	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
325		459
326	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
329	fast or be very important.	463	fast or be very important.
…		…
332		466
333	sub sync_job(&) {	467	sub sync_job(&) {
334	my ($job) = @_;	468	my ($job) = @_;
335		469
336	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	471	my $time = EV::time;
338		472
339	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
341		475
342	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	477
344	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
345		479
346	my $busy = 1;	480	my $busy = 1;
347	my @res;	481	my @res;
348		482
349	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	485	@res = eval { $job->() };
351	warn $@ if $@;	486	warn $@ if $@;
352	undef $busy;	487	undef $busy;
353	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
354		489
355	while ($busy) {	490	while ($busy) {
356	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
357	}	495	}
		496	}
358		497
359	$time = Event::time - $time;	498	my $time = EV::time - $time;
360		499
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
365		501
366	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
367	} else {	503	} else {
368	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
369		505
…		…
389	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
390		526
391	$coro	527	$coro
392	}	528	}
393		529
394	sub write_runtime {	530	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		531
397	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
399		536
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	537	=cut
401	utime undef, undef, $fh;	538
		539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
		541
		542	# we seemingly have to make a local copy of the whole thing,
		543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
		545
		546	my @res = Coro::Util::fork_eval {
		547	reset_signals;
		548	&$cb
		549	}, @args;
		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
402	}	608	};
		609	cf::cleanup "db_open(db): $@" if $@;
403		610
404	my $guard = cf::lock_acquire "write_runtime";	611	$db
		612	}
405		613
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	614	our $DB;
407	or return;
408		615
409	my $value = $cf::RUNTIME + 90 + 10;	616	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	617	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	618	$DB ||= db_table "db";
		619	};
		620	}
412		621
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	622	sub db_get($$) {
414	and return;	623	my $key = "$_[0]/$_[1]";
415		624
416	# always fsync - this file is important	625	cf::sync_job {
417	aio_fsync $fh	626	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		627
420	# touch it again to show we are up-to-date	628	$! ? ()
421	utime undef, undef, $fh;	629	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
432	}	706	}
433		707
434	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
435		709
436	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
456		730
457	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	733	Deliantra).
460		734
461	=over 4	735	=over 4
462		736
463	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
464		738
…		…
666	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
667	}	941	}
668		942
669	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
670	} else {	944	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	946	}
673		947
674	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
675	}	949	}
676		950
…		…
716	";	990	";
717	die if $@;	991	die if $@;
718	}	992	}
719		993
720	our $override;	994	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		996
723	sub override {	997	sub override {
724	$override = 1;	998	$override = 1;
725	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
726	}	1000	}
727		1001
728	sub do_invoke {	1002	sub do_invoke {
729	my $event = shift;	1003	my $event = shift;
730	my $callbacks = shift;	1004	my $callbacks = shift;
731		1005
732	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
733		1007
734	local $override;	1008	local $override;
735		1009
736	for (@$callbacks) {	1010	for (@$callbacks) {
737	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
746	}	1020	}
747		1021
748	0	1022	0
749	}	1023	}
750		1024
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1026
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1028
755	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
756		1030
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1034
761	=back	1035	=back
762		1036
763	=cut	1037	=cut
764		1038
765	#############################################################################	1039	#############################################################################
766	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
767		1083
768	sub reattach {	1084	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1086	my ($obj) = @_;
771		1087
…		…
792	cf::attachable->attach (	1108	cf::attachable->attach (
793	prio => -1000000,	1109	prio => -1000000,
794	on_instantiate => sub {	1110	on_instantiate => sub {
795	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
796		1112
797	$data = from_json $data;	1113	$data = decode_json $data;
798		1114
799	for (@$data) {	1115	for (@$data) {
800	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
801		1117
802	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1134	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
820		1136
821	sync_job {	1137	sync_job {
822	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
825		1142
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1147	close $fh;
831		1148
832	if (@$objs) {	1149	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1155	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
840	}	1157	}
…		…
848	}	1165	}
849	} else {	1166	} else {
850	aio_unlink $filename;	1167	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
852	}	1169	}
853	}	1170	};
854	}	1171	}
855		1172
856	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
858		1175
…		…
870	or return;	1187	or return;
871		1188
872	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
874	or return;	1191	or return;
		1192
875	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
876	}	1195	}
877		1196
		1197	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
880	return ($data, $av);	1201	($data, $av)
881	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
882		1209
883	#############################################################################	1210	#############################################################################
884	# command handling &c	1211	# command handling &c
885		1212
886	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1227	}
901		1228
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1230
904	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
905		1236
906	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
907	called.	1238	called.
908		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
909	=cut	1251	=cut
910		1252
911	sub register_extcmd {	1253	sub register_extcmd {
912	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
913		1255
914	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
915	}	1263	}
916		1264
917	cf::player->attach (	1265	cf::player->attach (
918	on_command => sub {	1266	on_command => sub {
919	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1276	cf::override;
929	},	1277	},
930	on_extcmd => sub {	1278	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
932		1280
933	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1282
935	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
941	} else {	1298	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1300	}
944		1301
945	cf::override;	1302	cf::override;
946	},	1303	},
947	);	1304	);
948		1305
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
984	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1311	next unless -r $path;
986	eval {	1312
987	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
988	1	1369	}
989	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
990	}	1375	};
991	}	1376	}
992		1377
993	#############################################################################	1378	#############################################################################
994		1379
		1380	=back
		1381
995	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
996		1383
997	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
998		1385
999	=cut	1386	=cut
…		…
1003	use Coro::AIO;	1390	use Coro::AIO;
1004		1391
1005	=head3 cf::player	1392	=head3 cf::player
1006		1393
1007	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1008		1409
1009	=item cf::player::find $login	1410	=item cf::player::find $login
1010		1411
1011	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1012		1413
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1453
1053	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1056	}	1462	}
1057	}	1463	}
1058	}	1464	}
1059		1465
…		…
1069		1475
1070	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1072		1478
1073	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1074	Coro::cede;	1480	cf::cede_to_tick;
1075	}	1481	}
1076		1482
1077	sub new($) {	1483	sub new($) {
1078	my ($login) = @_;	1484	my ($login) = @_;
1079		1485
…		…
1083	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1084		1490
1085	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1086		1492
1087	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1088	}	1504	}
1089		1505
1090	=item $pl->quit_character	1506	=item $pl->quit_character
1091		1507
1092	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1563	or return [];
1148		1564
1149	my @logins;	1565	my @logins;
1150		1566
1151	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1155		1576
1156	utf8::decode $login;	1577	utf8::decode $login;
1157	push @logins, $login;	1578	push @logins, $login;
1158	}	1579	}
1159		1580
…		…
1186	}	1607	}
1187		1608
1188	\@paths	1609	\@paths
1189	}	1610	}
1190		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1191	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1192		1706
1193	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1194		1708
1195	=cut	1709	=cut
1196		1710
1197	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1199		1713
1200	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1715	}
1204		1716
1205	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1206		1718
1207	Sends an ext event to the client.	1719	Sends an ext event to the client.
1208		1720
1209	=cut	1721	=cut
1210		1722
1211	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1213		1725
1214	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1215	}	1727	}
1216		1728
1217	=head3 cf::region	1729	=head3 cf::region
1218		1730
1219	=over 4	1731	=over 4
…		…
1222		1734
1223	package cf::region;	1735	package cf::region;
1224		1736
1225	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1226		1738
1227	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1228		1740
1229	=cut	1741	=cut
1230		1742
1231	sub find_by_path($) {	1743	sub find_by_path($) {
1232	my ($path) = @_;	1744	my ($path) = @_;
1233		1745
1234	my ($match, $specificity);	1746	my ($match, $specificity);
1235		1747
1236	for my $region (list) {	1748	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1240	}	1752	}
1241	}	1753	}
1242		1754
…		…
1263	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1265		1777
1266	sub generate_random_map {	1778	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1268	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1784	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1307		1822
1308	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1309	local $self->{path};	1824	local $self->{path};
1310	local $self->{load_path};	1825	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1826
1314	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1315	}	1828	}
1316		1829
1317	sub normalise {	1830	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1365	return $self;	1878	return $self;
1366	}	1879	}
1367	}	1880	}
1368		1881
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1883	()
1371	}	1884	}
1372		1885
1373	sub init {	1886	sub init {
1374	my ($self) = @_;	1887	my ($self) = @_;
…		…
1417		1930
1418	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1420	}	1933	}
1421		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1422	sub unlink_save {	1943	sub unlink_save {
1423	my ($self) = @_;	1944	my ($self) = @_;
1424		1945
1425	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1950
1430	sub load_header_from($) {	1951	sub load_header_from($) {
1431	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1432		1953
1433	utf8::encode $path;	1954	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1439		1963
1440	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1441		1965
1442	1	1966	1
1443	}	1967	}
…		…
1482	$self->load_header_orig	2006	$self->load_header_orig
1483	or return;	2007	or return;
1484	$self->prepare_orig;	2008	$self->prepare_orig;
1485	}	2009	}
1486		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1487	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2015	unless $self->default_region;
1489		2016
1490	1	2017	1
1491	}	2018	}
…		…
1494	sub find {	2021	sub find {
1495	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1496		2023
1497	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1498		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1500		2028
1501	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1503	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1504	or return;	2034	or return;
1505		2035
1506	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1507		2037
1508	$map->load_header	2038	$map->load_header
1509	or return;	2039	or return;
1510		2040
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1514	$map->reset;	2046	$map->reset;
1515	undef $guard;
1516	return find $path;	2047	return find $path;
1517	}	2048	}
1518		2049
1519	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1520	}	2051	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1530		2061
1531	my $path = $self->{path};	2062	my $path = $self->{path};
1532		2063
1533	{	2064	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1535		2066
		2067	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2069
1538	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1539		2071
1540	$self->alloc;	2072	$self->alloc;
1541		2073
1542	$self->pre_load;	2074	$self->pre_load;
1543	Coro::cede;	2075	cf::cede_to_tick;
1544		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1546	or return;	2080	or return;
1547		2081
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2083	if delete $self->{load_original};
1550		2084
1551	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2086	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2089	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1556	}	2093	}
1557	}	2094	}
1558		2095
1559	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1560	# now do the right thing for maps	2099	# now do the right thing for maps
1561	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2102	unless $self->difficulty;
1564	Coro::cede;	2103	cf::cede_to_tick;
1565		2104
1566	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2106	$self->decay_objects;
1568	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1569	$self->update_buttons;	2108	$self->update_buttons;
1570	Coro::cede;	2109	cf::cede_to_tick;
1571	$self->set_darkness_map;	2110	$self->set_darkness_map;
1572	Coro::cede;	2111	cf::cede_to_tick;
1573	$self->activate;	2112	$self->activate;
1574	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1575		2117
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2119	}
1578		2120
1579	$self->post_load;	2121	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1584		2126
1585	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2128	if $self->per_player;
1587		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1588	$self	2133	$self
1589	}	2134	}
1590		2135
1591	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2137	sub load_neighbours {
1593	my ($map) = @_;	2138	my ($map) = @_;
1594		2139
1595	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1596		2141
1597	for (0 .. 3) {	2142	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1599	or next;	2144	or next;
1600	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1601	or next;	2146	or next;
1602	$neigh->load;	2147	$neigh->load;
1603		2148
		2149	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2152	}
1607		2153
1608	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1610	or next;	2157	or next;
1611	$neigh->load;	2158	$neigh->load;
1612	}	2159	}
1613	}	2160	}
1614		2161
…		…
1619	}	2166	}
1620		2167
1621	sub do_load_sync {	2168	sub do_load_sync {
1622	my ($map) = @_;	2169	my ($map) = @_;
1623		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1624	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1625	}	2175	}
1626		2176
1627	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1629		2179
1630	sub find_async {	2180	sub find_async {
1631	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1632		2182
1633	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1634		2184
1635	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2187	}
1638		2188
1639	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1640	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1641	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2196	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2197	$map->load if $v;
		2198	}
1646		2199
1647	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1648	}	2201	}
1649	}	2202	}
1650	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1651	};	2204	};
1652	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2208	}
1656		2209
1657	sub save {	2210	sub save {
1658	my ($self) = @_;	2211	my ($self) = @_;
1659		2212
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2214
1662	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1663		2216
1664	return unless $self->dirty;	2217	return unless $self->dirty;
1665		2218
…		…
1671	return if $self->{deny_save};	2224	return if $self->{deny_save};
1672		2225
1673	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1674		2227
1675	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1677	};	2231	};
1678		2232
1679	if ($uniq) {	2233	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2242	my ($self) = @_;
1689		2243
1690	# save first because save cedes	2244	# save first because save cedes
1691	$self->save;	2245	$self->save;
1692		2246
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2248
1695	return if $self->players;	2249	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2251	return if $self->{deny_save};
1698		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2257	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2258	}
1702		2259
1703	sub reset_at {	2260	sub reset_at {
1704	my ($self) = @_;	2261	my ($self) = @_;
1705		2262
1706	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1709		2265
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2268
…		…
1723	my ($self) = @_;	2279	my ($self) = @_;
1724		2280
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2282
1727	return if $self->players;	2283	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2284
1730	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1731		2286
1732	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1733		2288
1734	# need to save uniques path	2289	# need to save uniques path
1735	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2294	if $uniq;
1740	}	2295	}
1741		2296
1742	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1743		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2301	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2302
1748	$self->unlink_save;	2303	$self->unlink_save;
1749	$self->destroy;	2304	$self->destroy;
1750	}	2305	}
1751		2306
1752	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1753		2308
1754	sub nuke {	2309	sub nuke {
1755	my ($self) = @_;	2310	my ($self) = @_;
1756		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1757	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1758		2316
1759	$self->unlink_save;	2317	$self->unlink_save;
1760		2318
1761	bless $self, "cf::map";	2319	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2324
1767	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1768		2327
1769	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1770	}	2365	}
1771		2366
1772	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1773		2368
1774	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2370	instantiated unique items. May block.
1776		2371
1777	=cut	2372	=cut
1778		2373
1779	sub unique_maps() {	2374	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2375	[
1781	or return;	2376	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2377	utf8::decode $_;
1787	next if /\.pst$/;	2378	/\.map$/
1788	next unless /^$PATH_SEP/o;	2379	? normalise $_
1789		2380	: ()
1790	push @paths, cf::map::normalise $_;	2381	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2382	]
1792
1793	\@paths
1794	}	2383	}
1795
1796	package cf;
1797		2384
1798	=back	2385	=back
1799		2386
1800	=head3 cf::object	2387	=head3 cf::object
1801		2388
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
1817	}	2404	}
1818		2405
1819	sub inv_recursive {	2406	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
1821	}	2436	}
1822		2437
1823	package cf;	2438	package cf;
1824		2439
1825	=back	2440	=back
…		…
1844		2459
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2461
1847	if ($self->{record_replies}) {	2462	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2464
1849	} else {	2465	} else {
		2466	my $pl = $self->contr;
		2467
		2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2469	my $dialog = $pl->{npc_dialog};
		2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2471
		2472	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
		2475	}
1852	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
1853	}	2487	}
1854		2488
1855	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
1856		2490
1857	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2538	$self->deactivate_recursive;
1905		2539
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2540	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2541
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2543	if $self->map && $self->map->{path} ne "{link}";
1910		2544
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2546	}
1913		2547
1914	sub cf::object::player::leave_link {	2548	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2549	my ($self, $map, $x, $y) = @_;
		2550
		2551	return unless $self->contr->active;
1916		2552
1917	my $link_pos = delete $self->{_link_pos};	2553	my $link_pos = delete $self->{_link_pos};
1918		2554
1919	unless ($map) {	2555	unless ($map) {
1920	# restore original map position	2556	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
1937		2573
1938	$map->load;	2574	$map->load;
1939	$map->load_diag;	2575	$map->load_neighbours;
1940		2576
1941	return unless $self->contr->active;	2577	return unless $self->contr->active;
1942	$self->activate_recursive;	2578	$self->activate_recursive;
1943		2579
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
1946	}	2582	}
1947		2583
1948	cf::player->attach (	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2585
1952	# abort map switching before logout	2586	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2587	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2588	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2589	the new (success) or old (failed) map position. In either case, $done will
1956	};	2590	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2591
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2592	=cut
		2593
		2594	our $GOTOGEN;
1983		2595
1984	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
		2598
		2599	# do generation counting so two concurrent goto's will be executed in-order
		2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2601
1987	$self->enter_link;	2602	$self->enter_link;
1988		2603
1989	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
1990	my $map = eval {	2626	my $map = eval {
1991	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
		2628
		2629	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2630	$map = $map->customise_for ($self);
		2631	$map = $check->($map) if $check && $map;
		2632	} else {
		2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2634	}
		2635
1993	$map	2636	$map
		2637	};
		2638
		2639	if ($@) {
		2640	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2642	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2643
		2644	if ($gen == $self->{_goto_generation}) {
		2645	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
		2647	}
		2648
		2649	$done->() if $done;
1998	})->prio (1);	2650	})->prio (1);
1999	}	2651	}
2000		2652
2001	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
2002		2654
…		…
2039	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2040	}	2692	}
2041		2693
2042	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2043		2695
2044	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2045	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2047		2699
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2723	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2724	my $sp = $exit->stats->sp;
2073		2725
2074	$self->enter_link;	2726	$self->enter_link;
2075		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
2076	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2077	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2736	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2080		2738
2081	1;	2739	1;
…		…
2107		2765
2108	utf8::encode $text;	2766	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2768	}
2111		2769
		2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2771
		2772	Send a drawinfo or msg packet to the client, formatting the msg for the
		2773	client if neccessary. C<$type> should be a string identifying the type of
		2774	the message, with C<log> being the default. If C<$color> is negative, suppress
		2775	the message unless the client supports the msg packet.
		2776
		2777	=cut
		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
		2831	sub cf::client::send_msg {
		2832	my ($self, $channel, $msg, $color, @extra) = @_;
		2833
		2834	$msg = $self->pl->expand_cfpod ($msg);
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
		2858	return unless @extra || length $msg;
		2859
		2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
		2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2867	} else {
		2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
		2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
		2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2886	} else {
		2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2888	$self->send_packet ("drawinfo $color $msg")
		2889	}
		2890	}
		2891	}
		2892	}
		2893
2112	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2113		2895
2114	Sends an exti event to the client.	2896	Sends an ext event to the client.
2115		2897
2116	=cut	2898	=cut
2117		2899
2118	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2120		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
2123	}	2927	}
2124		2928
2125	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2126		2930
2127	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2934
2131	Queries can fail, so check the return code. Or don't, as queries will become	2935	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2936	become reliable at some point in the future.
2133		2937
2134	=cut	2938	=cut
2135		2939
2136	sub cf::client::query {	2940	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2941	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2949	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2951
2148	$self->send_packet ($self->{query_queue}[0][0])	2952	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2953	if @{ $self->{query_queue} } == 1;
		2954
		2955	1
2150	}	2956	}
2151		2957
2152	cf::client->attach (	2958	cf::client->attach (
		2959	on_connect => sub {
		2960	my ($ns) = @_;
		2961
		2962	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2963	},
2153	on_reply => sub {	2964	on_reply => sub {
2154	my ($ns, $msg) = @_;	2965	my ($ns, $msg) = @_;
2155		2966
2156	# this weird shuffling is so that direct followup queries	2967	# this weird shuffling is so that direct followup queries
2157	# get handled first	2968	# get handled first
…		…
2169	} else {	2980	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2981	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2982	}
2172	}	2983	}
2173	},	2984	},
		2985	on_exticmd => sub {
		2986	my ($ns, $buf) = @_;
		2987
		2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2989
		2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
		2998	if (my $cb = $EXTICMD{$type}) {
		2999	@reply = $cb->($ns, @payload);
		3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
		3005	} else {
		3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3007	}
		3008
		3009	cf::override;
		3010	},
2174	);	3011	);
2175		3012
2176	=item $client->async (\&cb)	3013	=item $client->async (\&cb)
2177		3014
2178	Create a new coroutine, running the specified callback. The coroutine will	3015	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2221		3058
2222	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2223		3060
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2225		3066
2226	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2227		3068
2228	=pod	3069	=pod
2229		3070
2230	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2231		3072
2232	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2233	cf::object::player player	3077	cf::object::player
2234	cf::player peaceful	3078	player
2235	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2236		3085
2237	=cut	3086	=cut
2238		3087
2239	for (	3088	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2244	) {	3095	) {
2245	no strict 'refs';	3096	no strict 'refs';
…		…
2316	=back	3167	=back
2317		3168
2318	=cut	3169	=cut
2319		3170
2320	#############################################################################	3171	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3172	# the server's init and main functions
2496		3173
2497	sub load_facedata($) {	3174	sub load_facedata($) {
2498	my ($path) = @_;	3175	my ($path) = @_;
		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3182
2500	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2501		3184
2502	my $facedata;	3185	my $facedata;
2503	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2507		3190
2508	$facedata->{version} == 2	3191	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2511	{	3201	{
2512	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2513		3203
2514	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3211
		3212	cf::cede_to_tick;
2520	}	3213	}
2521		3214
2522	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2524	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2525	or next;	3219	or next;
		3220
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3224	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3226	}
2531	Coro::cede;	3227
		3228	cf::cede_to_tick;
2532	}	3229	}
2533	}	3230	}
2534		3231
2535	{	3232	{
2536	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2537		3234
2538	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3237	cf::cede_to_tick;
2541	}	3238	}
2542		3239
2543	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2544	}	3241	}
2545		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2546	1	3278	1
2547	}	3279	}
2548		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
2549	sub reload_regions {	3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
2550	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
2552	}	3321	}
2553		3322
2554	sub reload_facedata {	3323	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3324	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3325	or die "unable to load facedata\n";
2557	}	3326	}
2558		3327
2559	sub reload_archetypes {	3328	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3329	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3330	or die "unable to load archetypes\n";
		3331	#d# NEED to laod twice to resolve forward references
		3332	# this really needs to be done in an extra post-pass
		3333	# (which needs to be synchronous, so solve it differently)
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
2562	}	3336	}
2563		3337
2564	sub reload_treasures {	3338	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3343	sub reload_resources {
2570	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2571		3345
2572	reload_regions;	3346	reload_regions;
2573	reload_facedata;	3347	reload_facedata;
		3348	#reload_archetypes;#d#
2574	reload_archetypes;	3349	reload_archetypes;
2575	reload_treasures;	3350	reload_treasures;
2576		3351
2577	warn "finished reloading resource files\n";	3352	warn "finished reloading resource files\n";
2578	}	3353	}
2579		3354
2580	sub init {	3355	sub init {
2581	reload_resources;	3356	reload_resources;
2582	}	3357	}
2583		3358
2584	sub cfg_load {	3359	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3361	or return;
2587		3362
2588	local $/;	3363	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2590		3365
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3367
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2605	sub main {	3380	sub main {
2606	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3384	(async {
2610	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2612	};	3388	};
2613		3389
2614	cfg_load;	3390	reload_config;
2615	db_init;	3391	db_init;
2616	load_extensions;	3392	load_extensions;
2617		3393
2618	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2619	Event::loop;	3396	EV::loop;
2620	}	3397	}
2621		3398
2622	#############################################################################	3399	#############################################################################
2623	# initialisation and cleanup	3400	# initialisation and cleanup
2624		3401
2625	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2626	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2635	},
2636	);	3408	};
		3409	}
		3410	}
		3411
		3412	sub write_runtime_sync {
		3413	my $runtime = "$LOCALDIR/runtime";
		3414
		3415	# first touch the runtime file to show we are still running:
		3416	# the fsync below can take a very very long time.
		3417
		3418	IO::AIO::aio_utime $runtime, undef, undef;
		3419
		3420	my $guard = cf::lock_acquire "write_runtime";
		3421
		3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3423	or return;
		3424
		3425	my $value = $cf::RUNTIME + 90 + 10;
		3426	# 10 is the runtime save interval, for a monotonic clock
		3427	# 60 allows for the watchdog to kill the server.
		3428
		3429	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3430	and return;
		3431
		3432	# always fsync - this file is important
		3433	aio_fsync $fh
		3434	and return;
		3435
		3436	# touch it again to show we are up-to-date
		3437	aio_utime $fh, undef, undef;
		3438
		3439	close $fh
		3440	or return;
		3441
		3442	aio_rename "$runtime~", $runtime
		3443	and return;
		3444
		3445	warn "runtime file written.\n";
		3446
2637	}	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2638	}	3491	}
2639		3492
2640	sub emergency_save() {	3493	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2642		3495
…		…
2648	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3507	$pl->save;
2654	}	3508	}
2655	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2656		3510
2657	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2664		3518
2665	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2668	};	3526	};
2669		3527
2670	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2671	}	3529	}
2672		3530
…		…
2687	warn "reloading...";	3545	warn "reloading...";
2688		3546
2689	warn "entering sync_job";	3547	warn "entering sync_job";
2690		3548
2691	cf::sync_job {	3549	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3551	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2695		3553
2696	warn "syncing database to disk";	3554	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3556
2699	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705		3558
2706	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2707	for (;;) {	3560	for (;;) {
2708	BDB::flush;	3561	BDB::flush;
2709	IO::AIO::flush;	3562	IO::AIO::flush;
2710	Coro::cede;	3563	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3565	warn "iterate...";
2713	}	3566	}
2714		3567
2715	++$RELOAD;	3568	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3572	%EXT_CORO = ();
2720		3573
2721	warn "removing commands";	3574	warn "removing commands";
2722	%COMMAND = ();	3575	%COMMAND = ();
2723		3576
2724	warn "removing ext commands";	3577	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3578	%EXTCMD = ();
		3579	%EXTICMD = ();
2726		3580
2727	warn "unloading/nuking all extensions";	3581	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3582	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3583	warn "... unloading $pkg";
2730		3584
…		…
2773	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2774	require cf;	3628	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3630
2777	warn "loading config and database again";	3631	warn "loading config and database again";
2778	cf::cfg_load;	3632	cf::reload_config;
2779		3633
2780	warn "loading extensions";	3634	warn "loading extensions";
2781	cf::load_extensions;	3635	cf::load_extensions;
2782		3636
2783	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3644	warn "leaving sync_job";
2791		3645
2792	1	3646	1
2793	} or do {	3647	} or do {
2794	warn $@;	3648	warn $@;
2795	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3650	};
2798		3651
2799	warn "reloaded";	3652	warn "reloaded";
2800	};	3653	};
2801		3654
…		…
2803		3656
2804	sub reload_perl() {	3657	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
2807		3660
2808	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3662	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
2815	},
2816	);	3664	};
2817	}	3665	}
2818		3666
2819	register_command "reload" => sub {	3667	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
2821		3669
2822	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3674	reload_perl;
		3675	};
2825	}	3676	}
2826	};	3677	};
2827		3678
2828	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
2829		3680
…		…
2831		3682
2832	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
2834		3685
2835	sub wait_for_tick {	3686	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
2837	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
2838		3689
2839	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3692	$signal->wait;
2842	}	3693	}
2843		3694
2844	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
2846	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
2847		3698
2848	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3701	$signal->wait;
2851	}	3702	}
2852		3703
2853	$TICK_WATCHER = Event->timer (	3704	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
2863	return;	3708	return;
2864	}	3709	}
2865		3710
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
2869		3712
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3715	Coro::async_pool {
		3716	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3717	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3719	};
		3720	}
2880		3721
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3723	$sig->send;
2886	}	3724	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3726	$sig->send;
2889	}	3727	}
2890		3728
2891	$NOW = Event::time;	3729	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3731
2902	_post_tick;	3732	if (0) {
2903		3733	if ($NEXT_TICK) {
2904		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
2905	},	3738	}
2906	);	3739	}
2907		3740
2908	{	3741	{
2909	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3743
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
2919		3745	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3747
2935	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3754
2938	cf::sync_job {	3755	cf::sync_job {
2939	eval {	3756	eval {
2940	BDB::db_env_open	3757	BDB::db_env_open
2941	$DB_ENV,	3758	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3762	0666;
2946		3763
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3765	};
2952		3766
2953	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3768	};
2955	}	3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
2956	}	3780	}
2957		3781
2958	{	3782	{
		3783	# configure IO::AIO
		3784
2959	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3788	}
2972		3789
2973	my $_log_backtrace;	3790	my $_log_backtrace;
2974		3791
2975	sub _log_backtrace {	3792	sub _log_backtrace {
…		…
2979		3796
2980	# limit the # of concurrent backtraces	3797	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3798	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3799	++$_log_backtrace;
2983	async {	3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
2984	my @bt = fork_call {	3803	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3804	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3807	or die "addr2line: $!";

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