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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 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
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
308	}	441	}
309		442
310	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
311		444
312	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		450
318	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
319		452
320	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
321		454
322	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
325		459
326	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
329	fast or be very important.	463	fast or be very important.
…		…
332		466
333	sub sync_job(&) {	467	sub sync_job(&) {
334	my ($job) = @_;	468	my ($job) = @_;
335		469
336	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	471	my $time = EV::time;
338		472
339	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
341		475
342	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	477
344	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
345		479
346	my $busy = 1;	480	my $busy = 1;
347	my @res;	481	my @res;
348		482
349	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	485	@res = eval { $job->() };
351	warn $@ if $@;	486	warn $@ if $@;
352	undef $busy;	487	undef $busy;
353	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
354		489
355	while ($busy) {	490	while ($busy) {
356	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
357	}	495	}
		496	}
358		497
359	$time = Event::time - $time;	498	my $time = EV::time - $time;
360		499
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
365		501
366	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
367	} else {	503	} else {
368	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
369		505
…		…
389	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
390		526
391	$coro	527	$coro
392	}	528	}
393		529
394	sub write_runtime {	530	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		531
397	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
399		536
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	537	=cut
401	utime undef, undef, $fh;	538
		539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
		541
		542	# we seemingly have to make a local copy of the whole thing,
		543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
		545
		546	my @res = Coro::Util::fork_eval {
		547	reset_signals;
		548	&$cb
		549	}, @args;
		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
402	}	608	};
		609	cf::cleanup "db_open(db): $@" if $@;
403		610
404	my $guard = cf::lock_acquire "write_runtime";	611	$db
		612	}
405		613
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	614	our $DB;
407	or return;
408		615
409	my $value = $cf::RUNTIME + 90 + 10;	616	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	617	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	618	$DB ||= db_table "db";
		619	};
		620	}
412		621
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	622	sub db_get($$) {
414	and return;	623	my $key = "$_[0]/$_[1]";
415		624
416	# always fsync - this file is important	625	cf::sync_job {
417	aio_fsync $fh	626	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		627
420	# touch it again to show we are up-to-date	628	$! ? ()
421	utime undef, undef, $fh;	629	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
432	}	706	}
433		707
434	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
435		709
436	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
456		730
457	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	733	Deliantra).
460		734
461	=over 4	735	=over 4
462		736
463	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
464		738
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
628		902
629	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		907
634	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	909	my $pkg = shift @arg;
636		910
637	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
667	}	941	}
668		942
669	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
670	} else {	944	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	946	}
673		947
674	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
675	}	949	}
676		950
…		…
678	if (ref $_[0]) {	952	if (ref $_[0]) {
679	_object_attach @_;	953	_object_attach @_;
680	} else {	954	} else {
681	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
682	}	956	}
		957	_recalc_want;
683	};	958	};
684		959
685	# all those should be optimised	960	# all those should be optimised
686	sub cf::attachable::detach {	961	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
691	reattach ($obj);	966	reattach ($obj);
692	} else {	967	} else {
693	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
694	}	969	}
		970	_recalc_want;
695	};	971	};
696		972
697	sub cf::attachable::attached {	973	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
699		975
…		…
714	";	990	";
715	die if $@;	991	die if $@;
716	}	992	}
717		993
718	our $override;	994	our $override;
719	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?
720		996
721	sub override {	997	sub override {
722	$override = 1;	998	$override = 1;
723	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
724	}	1000	}
725		1001
726	sub do_invoke {	1002	sub do_invoke {
727	my $event = shift;	1003	my $event = shift;
728	my $callbacks = shift;	1004	my $callbacks = shift;
729		1005
730	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
731		1007
732	local $override;	1008	local $override;
733		1009
734	for (@$callbacks) {	1010	for (@$callbacks) {
735	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
744	}	1020	}
745		1021
746	0	1022	0
747	}	1023	}
748		1024
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1026
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1028
753	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
754		1030
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1034
759	=back	1035	=back
760		1036
761	=cut	1037	=cut
762		1038
763	#############################################################################	1039	#############################################################################
764	# 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, $ob2
		1082	}
765		1083
766	sub reattach {	1084	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1086	my ($obj) = @_;
769		1087
…		…
790	cf::attachable->attach (	1108	cf::attachable->attach (
791	prio => -1000000,	1109	prio => -1000000,
792	on_instantiate => sub {	1110	on_instantiate => sub {
793	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
794		1112
795	$data = from_json $data;	1113	$data = decode_json $data;
796		1114
797	for (@$data) {	1115	for (@$data) {
798	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
799		1117
800	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1134	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
818		1136
819	sync_job {	1137	sync_job {
820	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
823		1142
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1147	close $fh;
829		1148
830	if (@$objs) {	1149	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1155	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
838	}	1157	}
…		…
846	}	1165	}
847	} else {	1166	} else {
848	aio_unlink $filename;	1167	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
850	}	1169	}
851	}	1170	};
852	}	1171	}
853		1172
854	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
856		1175
…		…
868	or return;	1187	or return;
869		1188
870	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
872	or return;	1191	or return;
		1192
873	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
874	}	1195	}
875		1196
		1197	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
878	return ($data, $av);	1201	($data, $av)
879	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
880		1209
881	#############################################################################	1210	#############################################################################
882	# command handling &c	1211	# command handling &c
883		1212
884	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1227	}
899		1228
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1230
902	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.
903		1236
904	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
905	called.	1238	called.
906		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
907	=cut	1251	=cut
908		1252
909	sub register_extcmd {	1253	sub register_extcmd {
910	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
911		1255
912	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
913	}	1263	}
914		1264
915	cf::player->attach (	1265	cf::player->attach (
916	on_command => sub {	1266	on_command => sub {
917	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1276	cf::override;
927	},	1277	},
928	on_extcmd => sub {	1278	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
930		1280
931	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1282
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
939	} else {	1298	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1300	}
942		1301
943	cf::override;	1302	cf::override;
944	},	1303	},
945	);	1304	);
946		1305
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
982	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1311	next unless -r $path;
984	eval {	1312
985	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	$progress = 1;
986	1	1369	}
987	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
988	}	1375	};
989	}	1376	}
990		1377
991	#############################################################################	1378	#############################################################################
992		1379
		1380	=back
		1381
993	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
994		1383
995	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
996		1385
997	=cut	1386	=cut
…		…
1001	use Coro::AIO;	1390	use Coro::AIO;
1002		1391
1003	=head3 cf::player	1392	=head3 cf::player
1004		1393
1005	=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	}
1006		1409
1007	=item cf::player::find $login	1410	=item cf::player::find $login
1008		1411
1009	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1010		1413
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1453
1051	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1054	}	1462	}
1055	}	1463	}
1056	}	1464	}
1057		1465
…		…
1067		1475
1068	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1070		1478
1071	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1072	Coro::cede;	1480	cf::cede_to_tick;
1073	}	1481	}
1074		1482
1075	sub new($) {	1483	sub new($) {
1076	my ($login) = @_;	1484	my ($login) = @_;
1077		1485
…		…
1081	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1082		1490
1083	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1084		1492
1085	$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 (@_);
1086	}	1504	}
1087		1505
1088	=item $pl->quit_character	1506	=item $pl->quit_character
1089		1507
1090	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
…		…
1145	or return [];	1563	or return [];
1146		1564
1147	my @logins;	1565	my @logins;
1148		1566
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1153		1576
1154	utf8::decode $login;	1577	utf8::decode $login;
1155	push @logins, $login;	1578	push @logins, $login;
1156	}	1579	}
1157		1580
…		…
1184	}	1607	}
1185		1608
1186	\@paths	1609	\@paths
1187	}	1610	}
1188		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
1189	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1190		1706
1191	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1192		1708
1193	=cut	1709	=cut
1194		1710
1195	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1197		1713
1198	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1715	}
1202		1716
1203	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1204		1718
1205	Sends an ext event to the client.	1719	Sends an ext event to the client.
1206		1720
1207	=cut	1721	=cut
1208		1722
1209	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1211		1725
1212	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1213	}	1727	}
1214		1728
1215	=head3 cf::region	1729	=head3 cf::region
1216		1730
1217	=over 4	1731	=over 4
…		…
1220		1734
1221	package cf::region;	1735	package cf::region;
1222		1736
1223	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1224		1738
1225	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1226		1740
1227	=cut	1741	=cut
1228		1742
1229	sub find_by_path($) {	1743	sub find_by_path($) {
1230	my ($path) = @_;	1744	my ($path) = @_;
1231		1745
1232	my ($match, $specificity);	1746	my ($match, $specificity);
1233		1747
1234	for my $region (list) {	1748	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1238	}	1752	}
1239	}	1753	}
1240		1754
…		…
1261	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1263		1777
1264	sub generate_random_map {	1778	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1784	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1305		1822
1306	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1307	local $self->{path};	1824	local $self->{path};
1308	local $self->{load_path};	1825	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1826
1312	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1313	}	1828	}
1314		1829
1315	sub normalise {	1830	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1363	return $self;	1878	return $self;
1364	}	1879	}
1365	}	1880	}
1366		1881
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1883	()
1369	}	1884	}
1370		1885
1371	sub init {	1886	sub init {
1372	my ($self) = @_;	1887	my ($self) = @_;
…		…
1394		1909
1395	# the temporary/swap location	1910	# the temporary/swap location
1396	sub save_path {	1911	sub save_path {
1397	my ($self) = @_;	1912	my ($self) = @_;
1398		1913
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1401	}	1916	}
1402		1917
1403	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1404	sub uniq_path {	1919	sub uniq_path {
1405	my ($self) = @_;	1920	my ($self) = @_;
1406		1921
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1409	}	1924	}
1410		1925
1411	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1412	# all maps in C++...	1927	# all maps in C++...
…		…
1415		1930
1416	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1418	}	1933	}
1419		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1420	sub unlink_save {	1943	sub unlink_save {
1421	my ($self) = @_;	1944	my ($self) = @_;
1422		1945
1423	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1950
1428	sub load_header_from($) {	1951	sub load_header_from($) {
1429	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1430		1953
1431	utf8::encode $path;	1954	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1963
1438	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1439		1965
1440	1	1966	1
1441	}	1967	}
…		…
1480	$self->load_header_orig	2006	$self->load_header_orig
1481	or return;	2007	or return;
1482	$self->prepare_orig;	2008	$self->prepare_orig;
1483	}	2009	}
1484		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1485	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2015	unless $self->default_region;
1487		2016
1488	1	2017	1
1489	}	2018	}
…		…
1492	sub find {	2021	sub find {
1493	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1494		2023
1495	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1496		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1498		2028
1499	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1500	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
1501	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1502	or return;	2034	or return;
1503		2035
1504	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1505		2037
1506	$map->load_header	2038	$map->load_header
1507	or return;	2039	or return;
1508		2040
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1512	$map->reset;	2046	$map->reset;
1513	undef $guard;
1514	return find $path;	2047	return find $path;
1515	}	2048	}
1516		2049
1517	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1518	}	2051	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1528		2061
1529	my $path = $self->{path};	2062	my $path = $self->{path};
1530		2063
1531	{	2064	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1533		2066
		2067	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2069
1536	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1537		2071
1538	$self->alloc;	2072	$self->alloc;
1539		2073
1540	$self->pre_load;	2074	$self->pre_load;
1541	Coro::cede;	2075	cf::cede_to_tick;
1542		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1544	or return;	2080	or return;
1545		2081
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2083	if delete $self->{load_original};
1548		2084
1549	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2086	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2089	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1554	}	2093	}
1555	}	2094	}
1556		2095
1557	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1558	# now do the right thing for maps	2099	# now do the right thing for maps
1559	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2102	unless $self->difficulty;
1562	Coro::cede;	2103	cf::cede_to_tick;
1563		2104
1564	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2106	$self->decay_objects;
1566	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1567	$self->update_buttons;	2108	$self->update_buttons;
1568	Coro::cede;	2109	cf::cede_to_tick;
1569	$self->set_darkness_map;	2110	$self->set_darkness_map;
1570	Coro::cede;	2111	cf::cede_to_tick;
1571	$self->activate;	2112	$self->activate;
1572	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1573		2117
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2119	}
1576		2120
1577	$self->post_load;	2121	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1582		2126
1583	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2128	if $self->per_player;
1585		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1586	$self	2133	$self
1587	}	2134	}
1588		2135
1589	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2137	sub load_neighbours {
1591	my ($map) = @_;	2138	my ($map) = @_;
1592		2139
1593	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1594		2141
1595	for (0 .. 3) {	2142	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1597	or next;	2144	or next;
1598	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1599	or next;	2146	or next;
1600	$neigh->load;	2147	$neigh->load;
1601		2148
		2149	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2152	}
1605		2153
1606	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1608	or next;	2157	or next;
1609	$neigh->load;	2158	$neigh->load;
1610	}	2159	}
1611	}	2160	}
1612		2161
…		…
1617	}	2166	}
1618		2167
1619	sub do_load_sync {	2168	sub do_load_sync {
1620	my ($map) = @_;	2169	my ($map) = @_;
1621		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1622	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1623	}	2175	}
1624		2176
1625	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1627		2179
1628	sub find_async {	2180	sub find_async {
1629	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1630		2182
1631	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1632		2184
1633	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2187	}
1636		2188
1637	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1638	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1639	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2196	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2197	$map->load if $v;
		2198	}
1644		2199
1645	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1646	}	2201	}
1647	}	2202	}
1648	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1649	};	2204	};
1650	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2208	}
1654		2209
1655	sub save {	2210	sub save {
1656	my ($self) = @_;	2211	my ($self) = @_;
1657		2212
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2214
1660	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1661		2216
1662	return unless $self->dirty;	2217	return unless $self->dirty;
1663		2218
…		…
1669	return if $self->{deny_save};	2224	return if $self->{deny_save};
1670		2225
1671	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1672		2227
1673	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1675	};	2231	};
1676		2232
1677	if ($uniq) {	2233	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2242	my ($self) = @_;
1687		2243
1688	# save first because save cedes	2244	# save first because save cedes
1689	$self->save;	2245	$self->save;
1690		2246
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2248
1693	return if $self->players;	2249	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2251	return if $self->{deny_save};
1696		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2257	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2258	}
1700		2259
1701	sub reset_at {	2260	sub reset_at {
1702	my ($self) = @_;	2261	my ($self) = @_;
1703		2262
1704	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1707		2265
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2268
…		…
1721	my ($self) = @_;	2279	my ($self) = @_;
1722		2280
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2282
1725	return if $self->players;	2283	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2284
1728	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1729		2286
1730	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1731		2288
1732	# need to save uniques path	2289	# need to save uniques path
1733	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2294	if $uniq;
1738	}	2295	}
1739		2296
1740	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1741		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2301	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2302
1746	$self->unlink_save;	2303	$self->unlink_save;
1747	$self->destroy;	2304	$self->destroy;
1748	}	2305	}
1749		2306
1750	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1751		2308
1752	sub nuke {	2309	sub nuke {
1753	my ($self) = @_;	2310	my ($self) = @_;
1754		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1755	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1756		2316
1757	$self->unlink_save;	2317	$self->unlink_save;
1758		2318
1759	bless $self, "cf::map";	2319	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2324
1765	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1766		2327
1767	$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	]
1768	}	2365	}
1769		2366
1770	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1771		2368
1772	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2370	instantiated unique items. May block.
1774		2371
1775	=cut	2372	=cut
1776		2373
1777	sub unique_maps() {	2374	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2375	[
1779	or return;	2376	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2377	utf8::decode $_;
1785	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2380	? ()
1788	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2383	]
1790
1791	\@paths
1792	}	2384	}
1793
1794	package cf;
1795		2385
1796	=back	2386	=back
1797		2387
1798	=head3 cf::object	2388	=head3 cf::object
1799		2389
…		…
1803		2393
1804	=over 4	2394	=over 4
1805		2395
1806	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1807		2397
1808	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.
1809		2400
1810	=cut	2401	=cut
1811		2402
1812	sub inv_recursive_;	2403	sub inv_recursive_;
1813	sub inv_recursive_ {	2404	sub inv_recursive_ {
1814	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1815	}	2406	}
1816		2407
1817	sub inv_recursive {	2408	sub inv_recursive {
1818	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	}
1819	}	2438	}
1820		2439
1821	package cf;	2440	package cf;
1822		2441
1823	=back	2442	=back
…		…
1842		2461
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2463
1845	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1850	}	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 (@_);
1851	}	2489	}
1852		2490
1853	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1854		2492
1855	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1903		2541
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2543
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1908		2546
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2548	}
1911		2549
1912	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1914		2554
1915	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1916		2556
1917	unless ($map) {	2557	unless ($map) {
1918	# restore original map position	2558	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1935		2575
1936	$map->load;	2576	$map->load;
1937	$map->load_diag;	2577	$map->load_neighbours;
1938		2578
1939	return unless $self->contr->active;	2579	return unless $self->contr->active;
1940	$self->activate_recursive;	2580	$self->activate_recursive;
1941		2581
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1944	}	2584	}
1945		2585
1946	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2587
1950	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1954	};	2592	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2593
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1981		2597
1982	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1983	my ($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;
1984		2603
1985	$self->enter_link;	2604	$self->enter_link;
1986		2605
1987	(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
1988	my $map = eval {	2628	my $map = eval {
1989	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1990	$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
1991	$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 $@;
1992	} or	2644	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1996	})->prio (1);	2652	})->prio (1);
1997	}	2653	}
1998		2654
1999	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2000		2656
…		…
2037	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2038	}	2694	}
2039		2695
2040	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2041		2697
2042	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2043	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2045		2701
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2069	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2071		2727
2072	$self->enter_link;	2728	$self->enter_link;
2073		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
2074	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2075	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2738	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2078		2740
2079	1;	2741	1;
…		…
2105		2767
2106	utf8::encode $text;	2768	utf8::encode $text;
2107	$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);
2108	}	2770	}
2109		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
2110	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2111		2897
2112	Sends an exti event to the client.	2898	Sends an ext event to the client.
2113		2899
2114	=cut	2900	=cut
2115		2901
2116	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2118		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2120	$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	}
2121	}	2929	}
2122		2930
2123	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2124		2932
2125	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2126	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>,
2127	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>.
2128		2936
2129	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
2130	reliable at some point in the future.	2938	become reliable at some point in the future.
2131		2939
2132	=cut	2940	=cut
2133		2941
2134	sub cf::client::query {	2942	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2951	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2953
2146	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2148	}	2958	}
2149		2959
2150	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	},
2151	on_reply => sub {	2966	on_reply => sub {
2152	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2153		2968
2154	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2155	# get handled first	2970	# get handled first
…		…
2167	} else {	2982	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2984	}
2170	}	2985	}
2171	},	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	},
2172	);	3013	);
2173		3014
2174	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2175		3016
2176	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2219		3060
2220	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2221		3062
2222	$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	));
2223		3068
2224	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2225		3070
2226	=pod	3071	=pod
2227		3072
2228	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2229		3074
2230	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
2231	cf::object::player player	3079	cf::object::player
2232	cf::player peaceful	3080	player
2233	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2234		3087
2235	=cut	3088	=cut
2236		3089
2237	for (	3090	for (
2238	["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)],
2239	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2242	) {	3097	) {
2243	no strict 'refs';	3098	no strict 'refs';
…		…
2314	=back	3169	=back
2315		3170
2316	=cut	3171	=cut
2317		3172
2318	#############################################################################	3173	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3174	# the server's init and main functions
2494		3175
2495	sub load_facedata($) {	3176	sub load_facedata($) {
2496	my ($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;
2497		3184
2498	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2499		3186
2500	my $facedata;	3187	my $facedata;
2501	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2505		3192
2506	$facedata->{version} == 2	3193	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		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
2509	{	3203	{
2510	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2511		3205
2512	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3213
		3214	cf::cede_to_tick;
2518	}	3215	}
2519		3216
2520	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2522	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2523	or next;	3221	or next;
		3222
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3226	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3228	}
2529	Coro::cede;	3229
		3230	cf::cede_to_tick;
2530	}	3231	}
2531	}	3232	}
2532		3233
2533	{	3234	{
2534	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2535		3236
2536	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3239	cf::cede_to_tick;
2539	}	3240	}
2540		3241
2541	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2542	}	3243	}
2543		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
2544	1	3280	1
2545	}	3281	}
2546		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, $v);
		3308	}
		3309	};
		3310
2547	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2548	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2549	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 $_->{match};
		3322	}
2550	}	3323	}
2551		3324
2552	sub reload_facedata {	3325	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2555	}	3328	}
2556		3329
2557	sub reload_archetypes {	3330	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3331	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
2560	}	3338	}
2561		3339
2562	sub reload_treasures {	3340	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3341	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3342	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3345	sub reload_resources {
2568	warn "reloading resource files...\n";	3346	warn "reloading resource files...\n";
2569		3347
2570	reload_regions;	3348	reload_regions;
2571	reload_facedata;	3349	reload_facedata;
		3350	#reload_archetypes;#d#
2572	reload_archetypes;	3351	reload_archetypes;
2573	reload_treasures;	3352	reload_treasures;
2574		3353
2575	warn "finished reloading resource files\n";	3354	warn "finished reloading resource files\n";
2576	}	3355	}
2577		3356
2578	sub init {	3357	sub init {
2579	reload_resources;	3358	reload_resources;
2580	}	3359	}
2581		3360
2582	sub cfg_load {	3361	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3363	or return;
2585		3364
2586	local $/;	3365	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2588		3367
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3369
2591	$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};
2592	$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};
…		…
2603	sub main {	3382	sub main {
2604	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2606	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#
2607	(async {	3386	(async {
2608	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2610	};	3390	};
2611		3391
2612	cfg_load;	3392	reload_config;
2613	db_init;	3393	db_init;
2614	load_extensions;	3394	load_extensions;
2615		3395
2616	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2617	Event::loop;	3398	EV::loop;
2618	}	3399	}
2619		3400
2620	#############################################################################	3401	#############################################################################
2621	# initialisation and cleanup	3402	# initialisation and cleanup
2622		3403
2623	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2624	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2633	},
2634	);	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
2635	}	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 };
2636	}	3493	}
2637		3494
2638	sub emergency_save() {	3495	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2640		3497
…		…
2646	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3509	$pl->save;
2652	}	3510	}
2653	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2654		3512
2655	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2661	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2662		3520
2663	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2665	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";
2666	};	3528	};
2667		3529
2668	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2669	}	3531	}
2670		3532
…		…
2685	warn "reloading...";	3547	warn "reloading...";
2686		3548
2687	warn "entering sync_job";	3549	warn "entering sync_job";
2688		3550
2689	cf::sync_job {	3551	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3553	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2693		3555
2694	warn "syncing database to disk";	3556	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3558
2697	# 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
2698
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703		3560
2704	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2705	for (;;) {	3562	for (;;) {
2706	BDB::flush;	3563	BDB::flush;
2707	IO::AIO::flush;	3564	IO::AIO::flush;
2708	Coro::cede;	3565	Coro::cede_notself;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";	3567	warn "iterate...";
2711	}	3568	}
2712		3569
2713	++$RELOAD;	3570	++$RELOAD;
…		…
2717	%EXT_CORO = ();	3574	%EXT_CORO = ();
2718		3575
2719	warn "removing commands";	3576	warn "removing commands";
2720	%COMMAND = ();	3577	%COMMAND = ();
2721		3578
2722	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2724		3582
2725	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2728		3586
…		…
2771	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2772	require cf;	3630	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3632
2775	warn "loading config and database again";	3633	warn "loading config and database again";
2776	cf::cfg_load;	3634	cf::reload_config;
2777		3635
2778	warn "loading extensions";	3636	warn "loading extensions";
2779	cf::load_extensions;	3637	cf::load_extensions;
2780		3638
2781	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2788	warn "leaving sync_job";	3646	warn "leaving sync_job";
2789		3647
2790	1	3648	1
2791	} or do {	3649	} or do {
2792	warn $@;	3650	warn $@;
2793	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3652	};
2796		3653
2797	warn "reloaded";	3654	warn "reloaded";
2798	};	3655	};
2799		3656
…		…
2801		3658
2802	sub reload_perl() {	3659	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2805		3662
2806	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3664	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2813	},
2814	);	3666	};
2815	}	3667	}
2816		3668
2817	register_command "reload" => sub {	3669	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2819		3671
2820	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3676	reload_perl;
		3677	};
2823	}	3678	}
2824	};	3679	};
2825		3680
2826	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2827		3682
…		…
2829		3684
2830	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2832		3687
2833	sub wait_for_tick {	3688	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2835	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2836		3691
2837	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3694	$signal->wait;
2840	}	3695	}
2841		3696
2842	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2844	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2845		3700
2846	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3703	$signal->wait;
2849	}	3704	}
2850		3705
2851	$TICK_WATCHER = Event->timer (	3706	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2859	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"
2860	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2861	return;	3710	return;
2862	}	3711	}
2863		3712
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2867		3714
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3717	Coro::async_pool {
		3718	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3719	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3721	};
		3722	}
2878		3723
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3725	$sig->send;
2884	}	3726	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3728	$sig->send;
2887	}	3729	}
2888		3730
2889	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3733
2900	_post_tick;	3734	if (0) {
2901		3735	if ($NEXT_TICK) {
2902		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
2903	},	3740	}
2904	);	3741	}
2905		3742
2906	{	3743	{
2907	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3745
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
2917		3747	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3749
2933	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2934	$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);
2935		3756
2936	cf::sync_job {	3757	cf::sync_job {
2937	eval {	3758	eval {
2938	BDB::db_env_open	3759	BDB::db_env_open
2939	$DB_ENV,	3760	$DB_ENV,
…		…
2941	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
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3764	0666;
2944		3765
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3767	};
2950		3768
2951	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3770	};
2953	}	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	};
2954	}	3782	}
2955		3783
2956	{	3784	{
		3785	# configure IO::AIO
		3786
2957	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3790	}
2970		3791
2971	my $_log_backtrace;	3792	my $_log_backtrace;
2972		3793
2973	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
2977		3798
2978	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3801	++$_log_backtrace;
2981	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
2982	my @bt = fork_call {	3805	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	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 |"
2986	or die "addr2line: $!";	3809	or die "addr2line: $!";

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