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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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
		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
94		123
95	binmode STDOUT;	124	binmode STDOUT;
96	binmode STDERR;	125	binmode STDERR;
97		126
98	# read virtual server time, if available	127	# read virtual server time, if available
…		…
139		168
140	=item $cf::TICK	169	=item $cf::TICK
141		170
142	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
143		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
144	=item %cf::CFG	183	=item %cf::CFG
145		184
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	186	from wherever your confdir points to.
148		187
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		189
151	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
152	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
153	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.
154		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
155	=back	200	=back
156		201
157	=cut	202	=cut
158		203
159	BEGIN {	204	BEGIN {
…		…
163	$msg .= "\n"	208	$msg .= "\n"
164	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
165		210
166	$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;
167		212
168	utf8::encode $msg;
169	LOG llevError, $msg;	213	LOG llevError, $msg;
170	};	214	};
171	}	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#?
172		231
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		239
180	# 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
181	# within the Safe compartment.	241	# within the Safe compartment.
182	for my $pkg (qw(	242	for my $pkg (qw(
183	cf::global cf::attachable	243	cf::global cf::attachable
…		…
188	)) {	248	)) {
189	no strict 'refs';	249	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	251	}
192		252
193	$Event::DIED = sub {	253	$EV::DIED = sub {
194	warn "error in event callback: @_";	254	warn "error in event callback: @_";
195	};	255	};
		256
		257	#############################################################################
196		258
197	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
198		260
199	=over 4	261	=over 4
200		262
…		…
219	$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;
220	$d	282	$d
221	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
222	}	284	}
223		285
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
227		287
228	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
229		289
230	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
231		291
232	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]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	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
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
248	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
249		319
250	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
251		321
252	=cut	322	=cut
253		323
254	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
255		326
256	sub lock_wait($) {	327	sub lock_wait($) {
257	my ($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#
258		334
259	# wait for lock, if any	335	# wait for lock, if any
260	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	338	Coro::schedule;
…		…
268		344
269	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
270	lock_wait $key;	346	lock_wait $key;
271		347
272	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
273		350
274	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
277	}	355	}
278	}	356	}
279		357
…		…
282		360
283	! ! $LOCK{$key}	361	! ! $LOCK{$key}
284	}	362	}
285		363
286	sub freeze_mainloop {	364	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
288		366
289	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
290	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
291	};	428	}
292	$TICK_WATCHER->stop;	429	};
293	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
294	}	441	}
295		442
296	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
297		444
298	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		450
304	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
305		452
306	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
307		454
308	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
311		459
312	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
315	fast or be very important.	463	fast or be very important.
…		…
318		466
319	sub sync_job(&) {	467	sub sync_job(&) {
320	my ($job) = @_;	468	my ($job) = @_;
321		469
322	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
323	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
325		475
326	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	477
328	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
329		479
330	my $busy = 1;	480	my $busy = 1;
331	my @res;	481	my @res;
332		482
333	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	485	@res = eval { $job->() };
335	warn $@ if $@;	486	warn $@ if $@;
336	undef $busy;	487	undef $busy;
337	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
338		489
339	while ($busy) {	490	while ($busy) {
340	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
341	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
342		501
343	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
344	} else {	503	} else {
345	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
346		505
…		…
366	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
367		526
368	$coro	527	$coro
369	}	528	}
370		529
371	sub write_runtime {	530	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		531
374	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
375	# 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.
376		536
377	warn "touching runtime...\n";#d#	537	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	538
379	utime undef, undef, $fh;	539	sub fork_call(&@) {
		540	my ($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 $!;
380	}	608	};
		609	cf::cleanup "db_open(db): $@" if $@;
381		610
382	my $guard = cf::lock_acquire "write_runtime";	611	$db
		612	}
383		613
384	warn "starting to write runtime...\n";#d#	614	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		615
388	my $value = $cf::RUNTIME + 90 + 10;	616	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	617	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	618	$DB ||= db_table "db";
		619	};
		620	}
391		621
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	622	sub db_get($$) {
393	and return;	623	my $key = "$_[0]/$_[1]";
394		624
395	# always fsync - this file is important	625	cf::sync_job {
396	aio_fsync $fh	626	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		627
399	# touch it again to show we are up-to-date	628	$! ? ()
400	utime undef, undef, $fh;	629	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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"
411	}	706	}
412		707
413	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
414		709
415	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.
…		…
433	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")
434	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
435		730
436	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>
437	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
438	crossfire+).	733	Deliantra).
439		734
440	=over 4	735	=over 4
441		736
442	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
443		738
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
607		902
608	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		907
613	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	909	my $pkg = shift @arg;
615		910
616	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
646	}	941	}
647		942
648	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
649	} else {	944	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	946	}
652		947
653	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
654	}	949	}
655		950
…		…
657	if (ref $_[0]) {	952	if (ref $_[0]) {
658	_object_attach @_;	953	_object_attach @_;
659	} else {	954	} else {
660	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
661	}	956	}
		957	_recalc_want;
662	};	958	};
663		959
664	# all those should be optimised	960	# all those should be optimised
665	sub cf::attachable::detach {	961	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
670	reattach ($obj);	966	reattach ($obj);
671	} else {	967	} else {
672	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
673	}	969	}
		970	_recalc_want;
674	};	971	};
675		972
676	sub cf::attachable::attached {	973	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
678		975
…		…
693	";	990	";
694	die if $@;	991	die if $@;
695	}	992	}
696		993
697	our $override;	994	our $override;
698	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?
699		996
700	sub override {	997	sub override {
701	$override = 1;	998	$override = 1;
702	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
703	}	1000	}
704		1001
705	sub do_invoke {	1002	sub do_invoke {
706	my $event = shift;	1003	my $event = shift;
707	my $callbacks = shift;	1004	my $callbacks = shift;
708		1005
709	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
710		1007
711	local $override;	1008	local $override;
712		1009
713	for (@$callbacks) {	1010	for (@$callbacks) {
714	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
723	}	1020	}
724		1021
725	0	1022	0
726	}	1023	}
727		1024
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1026
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1028
732	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
733		1030
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1034
738	=back	1035	=back
739		1036
740	=cut	1037	=cut
741		1038
742	#############################################################################	1039	#############################################################################
743	# 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, $ob2
		1082	}
744		1083
745	sub reattach {	1084	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1086	my ($obj) = @_;
748		1087
…		…
769	cf::attachable->attach (	1108	cf::attachable->attach (
770	prio => -1000000,	1109	prio => -1000000,
771	on_instantiate => sub {	1110	on_instantiate => sub {
772	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
773		1112
774	$data = from_json $data;	1113	$data = decode_json $data;
775		1114
776	for (@$data) {	1115	for (@$data) {
777	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
778		1117
779	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1134	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
797		1136
798	sync_job {	1137	sync_job {
799	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
802		1142
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1147	close $fh;
808		1148
809	if (@$objs) {	1149	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1155	close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
817	}	1157	}
…		…
825	}	1165	}
826	} else {	1166	} else {
827	aio_unlink $filename;	1167	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
829	}	1169	}
830	}	1170	};
831	}	1171	}
832		1172
833	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
835		1175
…		…
847	or return;	1187	or return;
848		1188
849	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
851	or return;	1191	or return;
		1192
852	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
853	}	1195	}
854		1196
		1197	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
857	return ($data, $av);	1201	($data, $av)
858	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
859		1209
860	#############################################################################	1210	#############################################################################
861	# command handling &c	1211	# command handling &c
862		1212
863	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1227	}
878		1228
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1230
881	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.
882		1236
883	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
884	called.	1238	called.
885		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
886	=cut	1251	=cut
887		1252
888	sub register_extcmd {	1253	sub register_extcmd {
889	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
890		1255
891	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
892	}	1263	}
893		1264
894	cf::player->attach (	1265	cf::player->attach (
895	on_command => sub {	1266	on_command => sub {
896	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1276	cf::override;
906	},	1277	},
907	on_extcmd => sub {	1278	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
909		1280
910	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1282
912	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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
918	} else {	1298	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1300	}
921		1301
922	cf::override;	1302	cf::override;
923	},	1303	},
924	);	1304	);
925		1305
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
961	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1311	next unless -r $path;
963	eval {	1312
964	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	$progress = 1;
965	1	1369	}
966	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
967	}	1375	};
968	}	1376	}
969		1377
970	#############################################################################	1378	#############################################################################
971		1379
		1380	=back
		1381
972	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
973		1383
974	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
975		1385
976	=cut	1386	=cut
…		…
980	use Coro::AIO;	1390	use Coro::AIO;
981		1391
982	=head3 cf::player	1392	=head3 cf::player
983		1393
984	=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	}
985		1409
986	=item cf::player::find $login	1410	=item cf::player::find $login
987		1411
988	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
989		1413
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1453
1030	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1033	}	1462	}
1034	}	1463	}
1035	}	1464	}
1036		1465
…		…
1046		1475
1047	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1049		1478
1050	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1051	Coro::cede;	1480	cf::cede_to_tick;
1052	}	1481	}
1053		1482
1054	sub new($) {	1483	sub new($) {
1055	my ($login) = @_;	1484	my ($login) = @_;
1056		1485
…		…
1060	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1061		1490
1062	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1063		1492
1064	$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 (@_);
1065	}	1504	}
1066		1505
1067	=item $pl->quit_character	1506	=item $pl->quit_character
1068		1507
1069	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
…		…
1124	or return [];	1563	or return [];
1125		1564
1126	my @logins;	1565	my @logins;
1127		1566
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1132		1576
1133	utf8::decode $login;	1577	utf8::decode $login;
1134	push @logins, $login;	1578	push @logins, $login;
1135	}	1579	}
1136		1580
…		…
1163	}	1607	}
1164		1608
1165	\@paths	1609	\@paths
1166	}	1610	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1169		1706
1170	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1171		1708
1172	=cut	1709	=cut
1173		1710
1174	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1176		1713
1177	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1715	}
1181		1716
1182	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1183		1718
1184	Sends an ext event to the client.	1719	Sends an ext event to the client.
1185		1720
1186	=cut	1721	=cut
1187		1722
1188	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1190		1725
1191	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1192	}	1727	}
1193		1728
1194	=head3 cf::region	1729	=head3 cf::region
1195		1730
1196	=over 4	1731	=over 4
…		…
1199		1734
1200	package cf::region;	1735	package cf::region;
1201		1736
1202	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1203		1738
1204	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1205		1740
1206	=cut	1741	=cut
1207		1742
1208	sub find_by_path($) {	1743	sub find_by_path($) {
1209	my ($path) = @_;	1744	my ($path) = @_;
1210		1745
1211	my ($match, $specificity);	1746	my ($match, $specificity);
1212		1747
1213	for my $region (list) {	1748	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1217	}	1752	}
1218	}	1753	}
1219		1754
…		…
1240	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1242		1777
1243	sub generate_random_map {	1778	sub generate_random_map {
1244	my ($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
1245	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1784	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1284		1822
1285	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1286	local $self->{path};	1824	local $self->{path};
1287	local $self->{load_path};	1825	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1826
1291	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1292	}	1828	}
1293		1829
1294	sub normalise {	1830	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1342	return $self;	1878	return $self;
1343	}	1879	}
1344	}	1880	}
1345		1881
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1883	()
1348	}	1884	}
1349		1885
1350	sub init {	1886	sub init {
1351	my ($self) = @_;	1887	my ($self) = @_;
…		…
1373		1909
1374	# the temporary/swap location	1910	# the temporary/swap location
1375	sub save_path {	1911	sub save_path {
1376	my ($self) = @_;	1912	my ($self) = @_;
1377		1913
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1380	}	1916	}
1381		1917
1382	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1383	sub uniq_path {	1919	sub uniq_path {
1384	my ($self) = @_;	1920	my ($self) = @_;
1385		1921
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1388	}	1924	}
1389		1925
1390	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1391	# all maps in C++...	1927	# all maps in C++...
…		…
1394		1930
1395	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1397	}	1933	}
1398		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1399	sub unlink_save {	1943	sub unlink_save {
1400	my ($self) = @_;	1944	my ($self) = @_;
1401		1945
1402	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1950
1407	sub load_header_from($) {	1951	sub load_header_from($) {
1408	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1409		1953
1410	utf8::encode $path;	1954	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1963
1417	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1418		1965
1419	1	1966	1
1420	}	1967	}
…		…
1459	$self->load_header_orig	2006	$self->load_header_orig
1460	or return;	2007	or return;
1461	$self->prepare_orig;	2008	$self->prepare_orig;
1462	}	2009	}
1463		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1464	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2015	unless $self->default_region;
1466		2016
1467	1	2017	1
1468	}	2018	}
…		…
1471	sub find {	2021	sub find {
1472	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1473		2023
1474	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1475		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1477		2028
1478	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1479	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
1480	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1481	or return;	2034	or return;
1482		2035
1483	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1484		2037
1485	$map->load_header	2038	$map->load_header
1486	or return;	2039	or return;
1487		2040
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1491	$map->reset;	2046	$map->reset;
1492	undef $guard;
1493	return find $path;	2047	return find $path;
1494	}	2048	}
1495		2049
1496	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1497	}	2051	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1507		2061
1508	my $path = $self->{path};	2062	my $path = $self->{path};
1509		2063
1510	{	2064	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1512		2066
		2067	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2069
1515	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1516		2071
1517	$self->alloc;	2072	$self->alloc;
1518		2073
1519	$self->pre_load;	2074	$self->pre_load;
1520	Coro::cede;	2075	cf::cede_to_tick;
1521		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1523	or return;	2080	or return;
1524		2081
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	2083	if delete $self->{load_original};
1527		2084
1528	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2086	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2089	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1533	}	2093	}
1534	}	2094	}
1535		2095
1536	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1537	# now do the right thing for maps	2099	# now do the right thing for maps
1538	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2102	unless $self->difficulty;
1541	Coro::cede;	2103	cf::cede_to_tick;
1542		2104
1543	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2106	$self->decay_objects;
1545	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1546	$self->update_buttons;	2108	$self->update_buttons;
1547	Coro::cede;	2109	cf::cede_to_tick;
1548	$self->set_darkness_map;	2110	$self->set_darkness_map;
1549	Coro::cede;	2111	cf::cede_to_tick;
1550	$self->activate;	2112	$self->activate;
1551	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1552		2117
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	2119	}
1555		2120
1556	$self->post_load;	2121	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1561		2126
1562	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2128	if $self->per_player;
1564		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1565	$self	2133	$self
1566	}	2134	}
1567		2135
1568	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2137	sub load_neighbours {
1570	my ($map) = @_;	2138	my ($map) = @_;
1571		2139
1572	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1573		2141
1574	for (0 .. 3) {	2142	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1576	or next;	2144	or next;
1577	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1578	or next;	2146	or next;
1579	$neigh->load;	2147	$neigh->load;
1580		2148
		2149	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2152	}
1584		2153
1585	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1587	or next;	2157	or next;
1588	$neigh->load;	2158	$neigh->load;
1589	}	2159	}
1590	}	2160	}
1591		2161
…		…
1596	}	2166	}
1597		2167
1598	sub do_load_sync {	2168	sub do_load_sync {
1599	my ($map) = @_;	2169	my ($map) = @_;
1600		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1601	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1602	}	2175	}
1603		2176
1604	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1606		2179
1607	sub find_async {	2180	sub find_async {
1608	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1609		2182
1610	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1611		2184
1612	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2187	}
1615		2188
1616	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1617	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1618	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2196	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2197	$map->load if $v;
		2198	}
1623		2199
1624	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1625	}	2201	}
1626	}	2202	}
1627	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1628	};	2204	};
1629	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2208	}
1633		2209
1634	sub save {	2210	sub save {
1635	my ($self) = @_;	2211	my ($self) = @_;
1636		2212
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2214
1639	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1640		2216
1641	return unless $self->dirty;	2217	return unless $self->dirty;
1642		2218
…		…
1648	return if $self->{deny_save};	2224	return if $self->{deny_save};
1649		2225
1650	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1651		2227
1652	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1654	};	2231	};
1655		2232
1656	if ($uniq) {	2233	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1665	my ($self) = @_;	2242	my ($self) = @_;
1666		2243
1667	# save first because save cedes	2244	# save first because save cedes
1668	$self->save;	2245	$self->save;
1669		2246
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2248
1672	return if $self->players;	2249	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2251	return if $self->{deny_save};
1675		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2257	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2258	}
1679		2259
1680	sub reset_at {	2260	sub reset_at {
1681	my ($self) = @_;	2261	my ($self) = @_;
1682		2262
1683	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1686		2265
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2268
…		…
1700	my ($self) = @_;	2279	my ($self) = @_;
1701		2280
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2282
1704	return if $self->players;	2283	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2284
1707	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1708		2286
1709	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1710		2288
1711	# need to save uniques path	2289	# need to save uniques path
1712	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2294	if $uniq;
1717	}	2295	}
1718		2296
1719	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1720		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2301	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2302
1725	$self->unlink_save;	2303	$self->unlink_save;
1726	$self->destroy;	2304	$self->destroy;
1727	}	2305	}
1728		2306
1729	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1730		2308
1731	sub nuke {	2309	sub nuke {
1732	my ($self) = @_;	2310	my ($self) = @_;
1733		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1734	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1735		2316
1736	$self->unlink_save;	2317	$self->unlink_save;
1737		2318
1738	bless $self, "cf::map";	2319	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2324
1744	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1745		2327
1746	$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	]
1747	}	2365	}
1748		2366
1749	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1750		2368
1751	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2370	instantiated unique items. May block.
1753		2371
1754	=cut	2372	=cut
1755		2373
1756	sub unique_maps() {	2374	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2375	[
1758	or return;	2376	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2377	utf8::decode $_;
1764	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2380	? ()
1767	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2383	]
1769
1770	\@paths
1771	}	2384	}
1772
1773	package cf;
1774		2385
1775	=back	2386	=back
1776		2387
1777	=head3 cf::object	2388	=head3 cf::object
1778		2389
…		…
1782		2393
1783	=over 4	2394	=over 4
1784		2395
1785	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1786		2397
1787	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1788		2400
1789	=cut	2401	=cut
1790		2402
1791	sub inv_recursive_;	2403	sub inv_recursive_;
1792	sub inv_recursive_ {	2404	sub inv_recursive_ {
1793	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1794	}	2406	}
1795		2407
1796	sub inv_recursive {	2408	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1798	}	2438	}
1799		2439
1800	package cf;	2440	package cf;
1801		2441
1802	=back	2442	=back
…		…
1821		2461
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2463
1824	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1826	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1829	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1830	}	2489	}
1831		2490
1832	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1833		2492
1834	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1882		2541
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2543
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1887		2546
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2548	}
1890		2549
1891	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1893		2554
1894	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1895		2556
1896	unless ($map) {	2557	unless ($map) {
1897	# restore original map position	2558	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1914		2575
1915	$map->load;	2576	$map->load;
1916	$map->load_diag;	2577	$map->load_neighbours;
1917		2578
1918	return unless $self->contr->active;	2579	return unless $self->contr->active;
1919	$self->activate_recursive;	2580	$self->activate_recursive;
1920		2581
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1923	}	2584	}
1924		2585
1925	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2587
1929	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1933	};	2592	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2593
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1960		2597
1961	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
		2600
		2601	# do generation counting so two concurrent goto's will be executed in-order
		2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2603
1964	$self->enter_link;	2604	$self->enter_link;
1965		2605
1966	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
1967	my $map = eval {	2628	my $map = eval {
1968	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2632	$map = $map->customise_for ($self);
		2633	$map = $check->($map) if $check && $map;
		2634	} else {
		2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2636	}
		2637
1970	$map	2638	$map
		2639	};
		2640
		2641	if ($@) {
		2642	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2644	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1975	})->prio (1);	2652	})->prio (1);
1976	}	2653	}
1977		2654
1978	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1979		2656
…		…
2016	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2017	}	2694	}
2018		2695
2019	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2020		2697
2021	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2022	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2024		2701
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2048	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2050		2727
2051	$self->enter_link;	2728	$self->enter_link;
2052		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2053	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2054	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2738	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2057		2740
2058	1;	2741	1;
…		…
2084		2767
2085	utf8::encode $text;	2768	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2770	}
2088		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2089	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2090		2897
2091	Sends an exti event to the client.	2898	Sends an ext event to the client.
2092		2899
2093	=cut	2900	=cut
2094		2901
2095	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2097		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2100	}	2929	}
2101		2930
2102	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2103		2932
2104	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2936
2108	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2938	become reliable at some point in the future.
2110		2939
2111	=cut	2940	=cut
2112		2941
2113	sub cf::client::query {	2942	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2951	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2953
2125	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2127	}	2958	}
2128		2959
2129	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2130	on_reply => sub {	2966	on_reply => sub {
2131	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2132		2968
2133	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2134	# get handled first	2970	# get handled first
…		…
2146	} else {	2982	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2984	}
2149	}	2985	}
2150	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2151	);	3013	);
2152		3014
2153	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2154		3016
2155	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2198		3060
2199	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2200		3062
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2202		3068
2203	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2204		3070
2205	=pod	3071	=pod
2206		3072
2207	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2208		3074
2209	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2210	cf::object::player player	3079	cf::object::player
2211	cf::player peaceful	3080	player
2212	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2213		3087
2214	=cut	3088	=cut
2215		3089
2216	for (	3090	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2218	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2221	) {	3097	) {
2222	no strict 'refs';	3098	no strict 'refs';
…		…
2293	=back	3169	=back
2294		3170
2295	=cut	3171	=cut
2296		3172
2297	#############################################################################	3173	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3174	# the server's init and main functions
2473		3175
2474	sub load_facedata($) {	3176	sub load_facedata($) {
2475	my ($path) = @_;	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3184
2477	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2478		3186
2479	my $facedata;	3187	my $facedata;
2480	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2484		3192
2485	$facedata->{version} == 2	3193	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2488	{	3203	{
2489	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2490		3205
2491	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3213
		3214	cf::cede_to_tick;
2497	}	3215	}
2498		3216
2499	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2501	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2502	or next;	3221	or next;
		3222
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3226	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3228	}
2508	Coro::cede;	3229
		3230	cf::cede_to_tick;
2509	}	3231	}
2510	}	3232	}
2511		3233
2512	{	3234	{
2513	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2514		3236
2515	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3239	cf::cede_to_tick;
2518	}	3240	}
2519		3241
2520	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2521	}	3243	}
2522		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2523	1	3280	1
2524	}	3281	}
2525		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2526	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2527	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2529	}	3323	}
2530		3324
2531	sub reload_facedata {	3325	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2534	}	3328	}
2535		3329
2536	sub reload_archetypes {	3330	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3331	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
2539	}	3338	}
2540		3339
2541	sub reload_treasures {	3340	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3341	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3342	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3345	sub reload_resources {
2547	warn "reloading resource files...\n";	3346	warn "reloading resource files...\n";
2548		3347
2549	reload_regions;	3348	reload_regions;
2550	reload_facedata;	3349	reload_facedata;
		3350	#reload_archetypes;#d#
2551	reload_archetypes;	3351	reload_archetypes;
2552	reload_treasures;	3352	reload_treasures;
2553		3353
2554	warn "finished reloading resource files\n";	3354	warn "finished reloading resource files\n";
2555	}	3355	}
2556		3356
2557	sub init {	3357	sub init {
2558	reload_resources;	3358	reload_resources;
2559	}	3359	}
2560		3360
2561	sub cfg_load {	3361	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3363	or return;
2564		3364
2565	local $/;	3365	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2567		3367
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3369
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2582	sub main {	3382	sub main {
2583	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3386	(async {
2587	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2589	};	3390	};
2590		3391
2591	cfg_load;	3392	reload_config;
2592	db_init;	3393	db_init;
2593	load_extensions;	3394	load_extensions;
2594		3395
2595	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2596	Event::loop;	3398	EV::loop;
2597	}	3399	}
2598		3400
2599	#############################################################################	3401	#############################################################################
2600	# initialisation and cleanup	3402	# initialisation and cleanup
2601		3403
2602	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2603	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2612	},
2613	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2614	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2615	}	3493	}
2616		3494
2617	sub emergency_save() {	3495	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2619		3497
…		…
2625	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3509	$pl->save;
2631	}	3510	}
2632	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2633		3512
2634	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2641		3520
2642	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2645	};	3528	};
2646		3529
2647	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2648	}	3531	}
2649		3532
…		…
2664	warn "reloading...";	3547	warn "reloading...";
2665		3548
2666	warn "entering sync_job";	3549	warn "entering sync_job";
2667		3550
2668	cf::sync_job {	3551	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3553	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2672		3555
2673	warn "syncing database to disk";	3556	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3558
2676	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682		3560
2683	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2684	for (;;) {	3562	for (;;) {
2685	BDB::flush;	3563	BDB::flush;
2686	IO::AIO::flush;	3564	IO::AIO::flush;
2687	Coro::cede;	3565	Coro::cede_notself;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";	3567	warn "iterate...";
2690	}	3568	}
2691		3569
2692	++$RELOAD;	3570	++$RELOAD;
…		…
2696	%EXT_CORO = ();	3574	%EXT_CORO = ();
2697		3575
2698	warn "removing commands";	3576	warn "removing commands";
2699	%COMMAND = ();	3577	%COMMAND = ();
2700		3578
2701	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2703		3582
2704	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2707		3586
…		…
2750	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2751	require cf;	3630	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3632
2754	warn "loading config and database again";	3633	warn "loading config and database again";
2755	cf::cfg_load;	3634	cf::reload_config;
2756		3635
2757	warn "loading extensions";	3636	warn "loading extensions";
2758	cf::load_extensions;	3637	cf::load_extensions;
2759		3638
2760	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2767	warn "leaving sync_job";	3646	warn "leaving sync_job";
2768		3647
2769	1	3648	1
2770	} or do {	3649	} or do {
2771	warn $@;	3650	warn $@;
2772	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3652	};
2775		3653
2776	warn "reloaded";	3654	warn "reloaded";
2777	};	3655	};
2778		3656
…		…
2780		3658
2781	sub reload_perl() {	3659	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2784		3662
2785	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3664	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2792	},
2793	);	3666	};
2794	}	3667	}
2795		3668
2796	register_command "reload" => sub {	3669	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2798		3671
2799	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3676	reload_perl;
		3677	};
2802	}	3678	}
2803	};	3679	};
2804		3680
2805	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2806		3682
…		…
2808		3684
2809	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2811		3687
2812	sub wait_for_tick {	3688	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2814	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2815		3691
2816	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3694	$signal->wait;
2819	}	3695	}
2820		3696
2821	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2823	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2824		3700
2825	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3703	$signal->wait;
2828	}	3704	}
2829		3705
2830	$TICK_WATCHER = Event->timer (	3706	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2840	return;	3710	return;
2841	}	3711	}
2842		3712
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2846		3714
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3717	Coro::async_pool {
		3718	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3719	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3721	};
		3722	}
2857		3723
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3725	$sig->send;
2869	}	3726	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3728	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3729	}
2876	);	3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
		3740	}
		3741	}
2877		3742
2878	{	3743	{
2879	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3745
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
2889		3747	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3749
2905	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3756
2908	cf::sync_job {	3757	cf::sync_job {
2909	eval {	3758	eval {
2910	BDB::db_env_open	3759	BDB::db_env_open
2911	$DB_ENV,	3760	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3764	0666;
2916		3765
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3767	};
2922		3768
2923	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3770	};
2925	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
2926	}	3782	}
2927		3783
2928	{	3784	{
		3785	# configure IO::AIO
		3786
2929	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3790	}
2942		3791
2943	my $_log_backtrace;	3792	my $_log_backtrace;
2944		3793
2945	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
2949		3798
2950	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3801	++$_log_backtrace;
2953	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
2954	my @bt = fork_call {	3805	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3809	or die "addr2line: $!";

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