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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
94		123
95	binmode STDOUT;	124	binmode STDOUT;
96	binmode STDERR;	125	binmode STDERR;
97		126
98	# read virtual server time, if available	127	# read virtual server time, if available
…		…
139		168
140	=item $cf::TICK	169	=item $cf::TICK
141		170
142	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
143		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
144	=item %cf::CFG	183	=item %cf::CFG
145		184
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	186	from wherever your confdir points to.
148		187
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		189
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
155	=back	200	=back
156		201
157	=cut	202	=cut
158		203
159	BEGIN {	204	BEGIN {
…		…
163	$msg .= "\n"	208	$msg .= "\n"
164	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
165		210
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		212
168	utf8::encode $msg;
169	LOG llevError, $msg;	213	LOG llevError, $msg;
170	};	214	};
171	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
172		231
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		239
180	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	241	# within the Safe compartment.
182	for my $pkg (qw(	242	for my $pkg (qw(
183	cf::global cf::attachable	243	cf::global cf::attachable
…		…
188	)) {	248	)) {
189	no strict 'refs';	249	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	251	}
192		252
193	$Event::DIED = sub {	253	$EV::DIED = sub {
194	warn "error in event callback: @_";	254	warn "error in event callback: @_";
195	};	255	};
		256
		257	#############################################################################
196		258
197	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
198		260
199	=over 4	261	=over 4
200		262
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	282	$d
221	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
222	}	284	}
223		285
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
227		287
228	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
229		289
230	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
231		291
232	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
248	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
249		319
250	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
251		321
252	=cut	322	=cut
253		323
254	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
255		326
256	sub lock_wait($) {	327	sub lock_wait($) {
257	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
258		334
259	# wait for lock, if any	335	# wait for lock, if any
260	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	338	Coro::schedule;
…		…
268		344
269	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
270	lock_wait $key;	346	lock_wait $key;
271		347
272	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
273		350
274	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
277	}	355	}
278	}	356	}
279		357
…		…
282		360
283	! ! $LOCK{$key}	361	! ! $LOCK{$key}
284	}	362	}
285		363
286	sub freeze_mainloop {	364	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
288		366
289	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
291	};	428	}
292	$TICK_WATCHER->stop;	429	};
293	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
294	}	441	}
295		442
296	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
297		444
298	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		450
304	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
305		452
306	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
307		454
308	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
311		459
312	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
315	fast or be very important.	463	fast or be very important.
…		…
318		466
319	sub sync_job(&) {	467	sub sync_job(&) {
320	my ($job) = @_;	468	my ($job) = @_;
321		469
322	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
323	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
325		475
326	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	477
328	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
329		479
330	my $busy = 1;	480	my $busy = 1;
331	my @res;	481	my @res;
332		482
333	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	485	@res = eval { $job->() };
335	warn $@ if $@;	486	warn $@ if $@;
336	undef $busy;	487	undef $busy;
337	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
338		489
339	while ($busy) {	490	while ($busy) {
340	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
341	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
342		501
343	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
344	} else {	503	} else {
345	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
346		505
…		…
366	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
367		526
368	$coro	527	$coro
369	}	528	}
370		529
371	sub write_runtime {	530	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		531
374	my $runtime = "$LOCALDIR/runtime";	532	Executes the given code block with the given arguments in a seperate
		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.
375		536
376	warn "starting to write runtime...\n";#d#	537	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		538
380	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		541
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
385	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
386		545
387	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	547	reset_signals;
389	and return;	548	&$cb
		549	}, @args;
390		550
391	close $fh	551	wantarray ? @res : $res[-1]
392	or return;	552	}
393		553
394	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
395	and return;
396		555
397	warn "... done writing runtime.\n";#d#	556	=cut
398		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		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 $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
399	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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"
400	}	706	}
401		707
402	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
403		709
404	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.
…		…
422	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")
423	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
424		730
425	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>
426	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
427	crossfire+).	733	Deliantra).
428		734
429	=over 4	735	=over 4
430		736
431	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
432		738
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
596		902
597	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		907
602	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	909	my $pkg = shift @arg;
604		910
605	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
635	}	941	}
636		942
637	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
638	} else {	944	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	946	}
641		947
642	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
643	}	949	}
644		950
…		…
646	if (ref $_[0]) {	952	if (ref $_[0]) {
647	_object_attach @_;	953	_object_attach @_;
648	} else {	954	} else {
649	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
650	}	956	}
		957	_recalc_want;
651	};	958	};
652		959
653	# all those should be optimised	960	# all those should be optimised
654	sub cf::attachable::detach {	961	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
659	reattach ($obj);	966	reattach ($obj);
660	} else {	967	} else {
661	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
662	}	969	}
		970	_recalc_want;
663	};	971	};
664		972
665	sub cf::attachable::attached {	973	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
667		975
…		…
682	";	990	";
683	die if $@;	991	die if $@;
684	}	992	}
685		993
686	our $override;	994	our $override;
687	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?
688		996
689	sub override {	997	sub override {
690	$override = 1;	998	$override = 1;
691	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
692	}	1000	}
693		1001
694	sub do_invoke {	1002	sub do_invoke {
695	my $event = shift;	1003	my $event = shift;
696	my $callbacks = shift;	1004	my $callbacks = shift;
697		1005
698	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
699		1007
700	local $override;	1008	local $override;
701		1009
702	for (@$callbacks) {	1010	for (@$callbacks) {
703	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
712	}	1020	}
713		1021
714	0	1022	0
715	}	1023	}
716		1024
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1026
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1028
721	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
722		1030
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1034
727	=back	1035	=back
728		1036
729	=cut	1037	=cut
730		1038
731	#############################################################################	1039	#############################################################################
732	# 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, $ob2
		1082	}
733		1083
734	sub reattach {	1084	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1086	my ($obj) = @_;
737		1087
…		…
758	cf::attachable->attach (	1108	cf::attachable->attach (
759	prio => -1000000,	1109	prio => -1000000,
760	on_instantiate => sub {	1110	on_instantiate => sub {
761	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
762		1112
763	$data = from_json $data;	1113	$data = decode_json $data;
764		1114
765	for (@$data) {	1115	for (@$data) {
766	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
767		1117
768	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1134	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
786		1136
787	sync_job {	1137	sync_job {
788	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
791		1142
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1147	close $fh;
797		1148
798	if (@$objs) {	1149	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1155	close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
806	}	1157	}
…		…
814	}	1165	}
815	} else {	1166	} else {
816	aio_unlink $filename;	1167	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
818	}	1169	}
819	}	1170	};
820	}	1171	}
821		1172
822	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
824		1175
…		…
836	or return;	1187	or return;
837		1188
838	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
840	or return;	1191	or return;
		1192
841	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
842	}	1195	}
843		1196
		1197	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
846	return ($data, $av);	1201	($data, $av)
847	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
848		1209
849	#############################################################################	1210	#############################################################################
850	# command handling &c	1211	# command handling &c
851		1212
852	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1227	}
867		1228
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1230
870	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.
871		1236
872	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
873	called.	1238	called.
874		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
875	=cut	1251	=cut
876		1252
877	sub register_extcmd {	1253	sub register_extcmd {
878	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
879		1255
880	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
881	}	1263	}
882		1264
883	cf::player->attach (	1265	cf::player->attach (
884	on_command => sub {	1266	on_command => sub {
885	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1276	cf::override;
895	},	1277	},
896	on_extcmd => sub {	1278	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
898		1280
899	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1282
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
907	} else {	1298	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1300	}
910		1301
911	cf::override;	1302	cf::override;
912	},	1303	},
913	);	1304	);
914		1305
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
950	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1311	next unless -r $path;
952	eval {	1312
953	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	$progress = 1;
954	1	1369	}
955	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
956	}	1375	};
957	}	1376	}
958		1377
959	#############################################################################	1378	#############################################################################
960		1379
		1380	=back
		1381
961	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
962		1383
963	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
964		1385
965	=cut	1386	=cut
…		…
969	use Coro::AIO;	1390	use Coro::AIO;
970		1391
971	=head3 cf::player	1392	=head3 cf::player
972		1393
973	=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	}
974		1409
975	=item cf::player::find $login	1410	=item cf::player::find $login
976		1411
977	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
978		1413
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1453
1019	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1022	}	1462	}
1023	}	1463	}
1024	}	1464	}
1025		1465
…		…
1035		1475
1036	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1038		1478
1039	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1040	Coro::cede;	1480	cf::cede_to_tick;
1041	}	1481	}
1042		1482
1043	sub new($) {	1483	sub new($) {
1044	my ($login) = @_;	1484	my ($login) = @_;
1045		1485
…		…
1049	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1050		1490
1051	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1052		1492
1053	$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 (@_);
1054	}	1504	}
1055		1505
1056	=item $pl->quit_character	1506	=item $pl->quit_character
1057		1507
1058	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
…		…
1113	or return [];	1563	or return [];
1114		1564
1115	my @logins;	1565	my @logins;
1116		1566
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1121		1576
1122	utf8::decode $login;	1577	utf8::decode $login;
1123	push @logins, $login;	1578	push @logins, $login;
1124	}	1579	}
1125		1580
…		…
1152	}	1607	}
1153		1608
1154	\@paths	1609	\@paths
1155	}	1610	}
1156		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
1157	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1158		1706
1159	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1160		1708
1161	=cut	1709	=cut
1162		1710
1163	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1165		1713
1166	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1715	}
1170		1716
1171	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1172		1718
1173	Sends an ext event to the client.	1719	Sends an ext event to the client.
1174		1720
1175	=cut	1721	=cut
1176		1722
1177	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1179		1725
1180	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1181	}	1727	}
1182		1728
1183	=head3 cf::region	1729	=head3 cf::region
1184		1730
1185	=over 4	1731	=over 4
…		…
1188		1734
1189	package cf::region;	1735	package cf::region;
1190		1736
1191	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1192		1738
1193	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1194		1740
1195	=cut	1741	=cut
1196		1742
1197	sub find_by_path($) {	1743	sub find_by_path($) {
1198	my ($path) = @_;	1744	my ($path) = @_;
1199		1745
1200	my ($match, $specificity);	1746	my ($match, $specificity);
1201		1747
1202	for my $region (list) {	1748	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1206	}	1752	}
1207	}	1753	}
1208		1754
…		…
1229	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1231		1777
1232	sub generate_random_map {	1778	sub generate_random_map {
1233	my ($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
1234	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1784	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1273		1822
1274	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1275	local $self->{path};	1824	local $self->{path};
1276	local $self->{load_path};	1825	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1826
1280	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1281	}	1828	}
1282		1829
1283	sub normalise {	1830	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1331	return $self;	1878	return $self;
1332	}	1879	}
1333	}	1880	}
1334		1881
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1883	()
1337	}	1884	}
1338		1885
1339	sub init {	1886	sub init {
1340	my ($self) = @_;	1887	my ($self) = @_;
…		…
1362		1909
1363	# the temporary/swap location	1910	# the temporary/swap location
1364	sub save_path {	1911	sub save_path {
1365	my ($self) = @_;	1912	my ($self) = @_;
1366		1913
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1369	}	1916	}
1370		1917
1371	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1372	sub uniq_path {	1919	sub uniq_path {
1373	my ($self) = @_;	1920	my ($self) = @_;
1374		1921
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1377	}	1924	}
1378		1925
1379	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1380	# all maps in C++...	1927	# all maps in C++...
…		…
1383		1930
1384	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1386	}	1933	}
1387		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1388	sub unlink_save {	1943	sub unlink_save {
1389	my ($self) = @_;	1944	my ($self) = @_;
1390		1945
1391	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1950
1396	sub load_header_from($) {	1951	sub load_header_from($) {
1397	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1398		1953
1399	utf8::encode $path;	1954	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	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;
1405		1963
1406	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1407		1965
1408	1	1966	1
1409	}	1967	}
…		…
1448	$self->load_header_orig	2006	$self->load_header_orig
1449	or return;	2007	or return;
1450	$self->prepare_orig;	2008	$self->prepare_orig;
1451	}	2009	}
1452		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1453	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2015	unless $self->default_region;
1455		2016
1456	1	2017	1
1457	}	2018	}
…		…
1460	sub find {	2021	sub find {
1461	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1462		2023
1463	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1464		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1466		2028
1467	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1468	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
1469	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1470	or return;	2034	or return;
1471		2035
1472	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1473		2037
1474	$map->load_header	2038	$map->load_header
1475	or return;	2039	or return;
1476		2040
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1480	$map->reset;	2046	$map->reset;
1481	undef $guard;
1482	return find $path;	2047	return find $path;
1483	}	2048	}
1484		2049
1485	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1486	}	2051	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1496		2061
1497	my $path = $self->{path};	2062	my $path = $self->{path};
1498		2063
1499	{	2064	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1501		2066
		2067	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2069
1504	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1505		2071
1506	$self->alloc;	2072	$self->alloc;
1507		2073
1508	$self->pre_load;	2074	$self->pre_load;
1509	Coro::cede;	2075	cf::cede_to_tick;
1510		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1512	or return;	2080	or return;
1513		2081
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	2083	if delete $self->{load_original};
1516		2084
1517	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2086	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2089	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1522	}	2093	}
1523	}	2094	}
1524		2095
1525	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1526	# now do the right thing for maps	2099	# now do the right thing for maps
1527	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2102	unless $self->difficulty;
1530	Coro::cede;	2103	cf::cede_to_tick;
1531		2104
1532	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2106	$self->decay_objects;
1534	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1535	$self->update_buttons;	2108	$self->update_buttons;
1536	Coro::cede;	2109	cf::cede_to_tick;
1537	$self->set_darkness_map;	2110	$self->set_darkness_map;
1538	Coro::cede;	2111	cf::cede_to_tick;
1539	$self->activate;	2112	$self->activate;
1540	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1541		2117
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	2119	}
1544		2120
1545	$self->post_load;	2121	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1550		2126
1551	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2128	if $self->per_player;
1553		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1554	$self	2133	$self
1555	}	2134	}
1556		2135
1557	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2137	sub load_neighbours {
1559	my ($map) = @_;	2138	my ($map) = @_;
1560		2139
1561	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1562		2141
1563	for (0 .. 3) {	2142	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1565	or next;	2144	or next;
1566	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1567	or next;	2146	or next;
1568	$neigh->load;	2147	$neigh->load;
1569		2148
		2149	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2152	}
1573		2153
1574	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1576	or next;	2157	or next;
1577	$neigh->load;	2158	$neigh->load;
1578	}	2159	}
1579	}	2160	}
1580		2161
…		…
1585	}	2166	}
1586		2167
1587	sub do_load_sync {	2168	sub do_load_sync {
1588	my ($map) = @_;	2169	my ($map) = @_;
1589		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1590	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1591	}	2175	}
1592		2176
1593	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1595		2179
1596	sub find_async {	2180	sub find_async {
1597	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1598		2182
1599	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1600		2184
1601	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2187	}
1604		2188
1605	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1606	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1607	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2196	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2197	$map->load if $v;
		2198	}
1612		2199
1613	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1614	}	2201	}
1615	}	2202	}
1616	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1617	};	2204	};
1618	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2208	}
1622		2209
1623	sub save {	2210	sub save {
1624	my ($self) = @_;	2211	my ($self) = @_;
1625		2212
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2214
1628	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1629		2216
1630	return unless $self->dirty;	2217	return unless $self->dirty;
1631		2218
…		…
1637	return if $self->{deny_save};	2224	return if $self->{deny_save};
1638		2225
1639	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1640		2227
1641	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1643	};	2231	};
1644		2232
1645	if ($uniq) {	2233	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1654	my ($self) = @_;	2242	my ($self) = @_;
1655		2243
1656	# save first because save cedes	2244	# save first because save cedes
1657	$self->save;	2245	$self->save;
1658		2246
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2248
1661	return if $self->players;	2249	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2251	return if $self->{deny_save};
1664		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2257	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2258	}
1668		2259
1669	sub reset_at {	2260	sub reset_at {
1670	my ($self) = @_;	2261	my ($self) = @_;
1671		2262
1672	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1675		2265
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2268
…		…
1689	my ($self) = @_;	2279	my ($self) = @_;
1690		2280
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2282
1693	return if $self->players;	2283	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2284
1696	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1697		2286
1698	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1699		2288
1700	# need to save uniques path	2289	# need to save uniques path
1701	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2294	if $uniq;
1706	}	2295	}
1707		2296
1708	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1709		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2301	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2302
1714	$self->unlink_save;	2303	$self->unlink_save;
1715	$self->destroy;	2304	$self->destroy;
1716	}	2305	}
1717		2306
1718	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1719		2308
1720	sub nuke {	2309	sub nuke {
1721	my ($self) = @_;	2310	my ($self) = @_;
1722		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1723	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1724		2316
1725	$self->unlink_save;	2317	$self->unlink_save;
1726		2318
1727	bless $self, "cf::map";	2319	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2324
1733	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1734		2327
1735	$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	]
1736	}	2365	}
1737		2366
1738	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1739		2368
1740	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2370	instantiated unique items. May block.
1742		2371
1743	=cut	2372	=cut
1744		2373
1745	sub unique_maps() {	2374	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2375	[
1747	or return;	2376	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2377	utf8::decode $_;
1753	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2380	? ()
1756	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2383	]
1758
1759	\@paths
1760	}	2384	}
1761
1762	package cf;
1763		2385
1764	=back	2386	=back
1765		2387
1766	=head3 cf::object	2388	=head3 cf::object
1767		2389
…		…
1771		2393
1772	=over 4	2394	=over 4
1773		2395
1774	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1775		2397
1776	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.
1777		2400
1778	=cut	2401	=cut
1779		2402
1780	sub inv_recursive_;	2403	sub inv_recursive_;
1781	sub inv_recursive_ {	2404	sub inv_recursive_ {
1782	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1783	}	2406	}
1784		2407
1785	sub inv_recursive {	2408	sub inv_recursive {
1786	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	}
1787	}	2438	}
1788		2439
1789	package cf;	2440	package cf;
1790		2441
1791	=back	2442	=back
…		…
1810		2461
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2463
1813	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1818	}	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 (@_);
1819	}	2489	}
1820		2490
1821	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1822		2492
1823	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1871		2541
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2543
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1876		2546
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2548	}
1879		2549
1880	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1882		2554
1883	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1884		2556
1885	unless ($map) {	2557	unless ($map) {
1886	# restore original map position	2558	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1903		2575
1904	$map->load;	2576	$map->load;
1905	$map->load_diag;	2577	$map->load_neighbours;
1906		2578
1907	return unless $self->contr->active;	2579	return unless $self->contr->active;
1908	$self->activate_recursive;	2580	$self->activate_recursive;
1909		2581
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1912	}	2584	}
1913		2585
1914	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2587
1918	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1922	};	2592	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2593
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1949		2597
1950	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1951	my ($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;
1952		2603
1953	$self->enter_link;	2604	$self->enter_link;
1954		2605
1955	(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
1956	my $map = eval {	2628	my $map = eval {
1957	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1958	$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
1959	$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 $@;
1960	} or	2644	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1964	})->prio (1);	2652	})->prio (1);
1965	}	2653	}
1966		2654
1967	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1968		2656
…		…
2005	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2006	}	2694	}
2007		2695
2008	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2009		2697
2010	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2011	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2013		2701
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2037	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2039		2727
2040	$self->enter_link;	2728	$self->enter_link;
2041		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
2042	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2043	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2738	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2046		2740
2047	1;	2741	1;
…		…
2073		2767
2074	utf8::encode $text;	2768	utf8::encode $text;
2075	$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);
2076	}	2770	}
2077		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
2078	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2079		2897
2080	Sends an exti event to the client.	2898	Sends an ext event to the client.
2081		2899
2082	=cut	2900	=cut
2083		2901
2084	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2086		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2088	$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	}
2089	}	2929	}
2090		2930
2091	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2092		2932
2093	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2094	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>,
2095	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>.
2096		2936
2097	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
2098	reliable at some point in the future.	2938	become reliable at some point in the future.
2099		2939
2100	=cut	2940	=cut
2101		2941
2102	sub cf::client::query {	2942	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2951	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2953
2114	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2116	}	2958	}
2117		2959
2118	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	},
2119	on_reply => sub {	2966	on_reply => sub {
2120	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2121		2968
2122	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2123	# get handled first	2970	# get handled first
…		…
2135	} else {	2982	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2984	}
2138	}	2985	}
2139	},	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	},
2140	);	3013	);
2141		3014
2142	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2143		3016
2144	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2187		3060
2188	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2189		3062
2190	$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	));
2191		3068
2192	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2193		3070
2194	=pod	3071	=pod
2195		3072
2196	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2197		3074
2198	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
2199	cf::object::player player	3079	cf::object::player
2200	cf::player peaceful	3080	player
2201	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2202		3087
2203	=cut	3088	=cut
2204		3089
2205	for (	3090	for (
2206	["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)],
2207	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2210	) {	3097	) {
2211	no strict 'refs';	3098	no strict 'refs';
…		…
2282	=back	3169	=back
2283		3170
2284	=cut	3171	=cut
2285		3172
2286	#############################################################################	3173	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3174	# the server's init and main functions
2462		3175
2463	sub load_facedata($) {	3176	sub load_facedata($) {
2464	my ($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;
2465		3184
2466	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2467		3186
2468	my $facedata;	3187	my $facedata;
2469	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2473		3192
2474	$facedata->{version} == 2	3193	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		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
2477	{	3203	{
2478	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2479		3205
2480	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3213
		3214	cf::cede_to_tick;
2486	}	3215	}
2487		3216
2488	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2490	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2491	or next;	3221	or next;
		3222
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3226	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3228	}
2497	Coro::cede;	3229
		3230	cf::cede_to_tick;
2498	}	3231	}
2499	}	3232	}
2500		3233
2501	{	3234	{
2502	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2503		3236
2504	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3239	cf::cede_to_tick;
2507	}	3240	}
2508		3241
2509	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2510	}	3243	}
2511		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
2512	1	3280	1
2513	}	3281	}
2514		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, $v);
		3308	}
		3309	};
		3310
2515	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2516	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2517	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 $_->{match};
		3322	}
2518	}	3323	}
2519		3324
2520	sub reload_facedata {	3325	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2523	}	3328	}
2524		3329
2525	sub reload_archetypes {	3330	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3331	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
2528	}	3338	}
2529		3339
2530	sub reload_treasures {	3340	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3341	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3342	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3345	sub reload_resources {
2536	warn "reloading resource files...\n";	3346	warn "reloading resource files...\n";
2537		3347
2538	reload_regions;	3348	reload_regions;
2539	reload_facedata;	3349	reload_facedata;
		3350	#reload_archetypes;#d#
2540	reload_archetypes;	3351	reload_archetypes;
2541	reload_treasures;	3352	reload_treasures;
2542		3353
2543	warn "finished reloading resource files\n";	3354	warn "finished reloading resource files\n";
2544	}	3355	}
2545		3356
2546	sub init {	3357	sub init {
2547	reload_resources;	3358	reload_resources;
2548	}	3359	}
2549		3360
2550	sub cfg_load {	3361	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3363	or return;
2553		3364
2554	local $/;	3365	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2556		3367
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3369
2559	$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};
2560	$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};
…		…
2571	sub main {	3382	sub main {
2572	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2574	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#
2575	(async {	3386	(async {
2576	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2578	};	3390	};
2579		3391
2580	cfg_load;	3392	reload_config;
2581	db_init;	3393	db_init;
2582	load_extensions;	3394	load_extensions;
2583		3395
2584	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2585	Event::loop;	3398	EV::loop;
2586	}	3399	}
2587		3400
2588	#############################################################################	3401	#############################################################################
2589	# initialisation and cleanup	3402	# initialisation and cleanup
2590		3403
2591	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2592	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2601	},
2602	);	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
2603	}	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 };
2604	}	3493	}
2605		3494
2606	sub emergency_save() {	3495	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2608		3497
…		…
2614	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3509	$pl->save;
2620	}	3510	}
2621	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2622		3512
2623	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2629	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2630		3520
2631	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2633	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";
2634	};	3528	};
2635		3529
2636	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2637	}	3531	}
2638		3532
…		…
2653	warn "reloading...";	3547	warn "reloading...";
2654		3548
2655	warn "entering sync_job";	3549	warn "entering sync_job";
2656		3550
2657	cf::sync_job {	3551	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3553	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2661		3555
2662	warn "syncing database to disk";	3556	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3558
2665	# 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
2666
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671		3560
2672	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2673	for (;;) {	3562	for (;;) {
2674	BDB::flush;	3563	BDB::flush;
2675	IO::AIO::flush;	3564	IO::AIO::flush;
2676	Coro::cede;	3565	Coro::cede_notself;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";	3567	warn "iterate...";
2679	}	3568	}
2680		3569
2681	++$RELOAD;	3570	++$RELOAD;
…		…
2685	%EXT_CORO = ();	3574	%EXT_CORO = ();
2686		3575
2687	warn "removing commands";	3576	warn "removing commands";
2688	%COMMAND = ();	3577	%COMMAND = ();
2689		3578
2690	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2692		3582
2693	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2696		3586
…		…
2739	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2740	require cf;	3630	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3632
2743	warn "loading config and database again";	3633	warn "loading config and database again";
2744	cf::cfg_load;	3634	cf::reload_config;
2745		3635
2746	warn "loading extensions";	3636	warn "loading extensions";
2747	cf::load_extensions;	3637	cf::load_extensions;
2748		3638
2749	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2756	warn "leaving sync_job";	3646	warn "leaving sync_job";
2757		3647
2758	1	3648	1
2759	} or do {	3649	} or do {
2760	warn $@;	3650	warn $@;
2761	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3652	};
2764		3653
2765	warn "reloaded";	3654	warn "reloaded";
2766	};	3655	};
2767		3656
…		…
2769		3658
2770	sub reload_perl() {	3659	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2773		3662
2774	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775	reentrant => 0,
2776	after => 0,
2777	data => WF_AUTOCANCEL,
2778	cb => sub {
2779	do_reload_perl;	3664	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2781	},
2782	);	3666	};
2783	}	3667	}
2784		3668
2785	register_command "reload" => sub {	3669	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2787		3671
2788	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3676	reload_perl;
		3677	};
2791	}	3678	}
2792	};	3679	};
2793		3680
2794	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2795		3682
…		…
2797		3684
2798	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2800		3687
2801	sub wait_for_tick {	3688	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2803	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2804		3691
2805	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3694	$signal->wait;
2808	}	3695	}
2809		3696
2810	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2812	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2813		3700
2814	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3703	$signal->wait;
2817	}	3704	}
2818		3705
2819	$TICK_WATCHER = Event->timer (	3706	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2827	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"
2828	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2829	return;	3710	return;
2830	}	3711	}
2831		3712
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2835		3714
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3717	Coro::async_pool {
		3718	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3719	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3721	};
		3722	}
2846		3723
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3725	$sig->send;
2858	}	3726	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3728	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3729	}
2865	);	3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
		3740	}
		3741	}
2866		3742
2867	{	3743	{
2868	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3745
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
2878		3747	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		3749
2894	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2895	$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);
2896		3756
2897	cf::sync_job {	3757	cf::sync_job {
2898	eval {	3758	eval {
2899	BDB::db_env_open	3759	BDB::db_env_open
2900	$DB_ENV,	3760	$DB_ENV,
…		…
2902	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
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3764	0666;
2905		3765
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3767	};
2911		3768
2912	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3770	};
2914	}	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	};
2915	}	3782	}
2916		3783
2917	{	3784	{
		3785	# configure IO::AIO
		3786
2918	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	3790	}
2931		3791
2932	my $_log_backtrace;	3792	my $_log_backtrace;
2933		3793
2934	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
2938		3798
2939	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3801	++$_log_backtrace;
2942	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
2943	my @bt = fork_call {	3805	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	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 |"
2947	or die "addr2line: $!";	3809	or die "addr2line: $!";

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