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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 1.426 by root, Thu Apr 24 04:40:31 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	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
294	}	443	}
295		444
296	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
297		446
298	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		452
304	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
305		454
306	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
307		456
308	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
311		461
312	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
315	fast or be very important.	465	fast or be very important.
…		…
318		468
319	sub sync_job(&) {	469	sub sync_job(&) {
320	my ($job) = @_;	470	my ($job) = @_;
321		471
322	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
323	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
325		477
326	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	479
328	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
329		481
330	my $busy = 1;	482	my $busy = 1;
331	my @res;	483	my @res;
332		484
333	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	487	@res = eval { $job->() };
335	warn $@ if $@;	488	warn $@ if $@;
336	undef $busy;	489	undef $busy;
337	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
338		491
339	while ($busy) {	492	while ($busy) {
340	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
341	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
342		503
343	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
344	} else {	505	} else {
345	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
346		507
…		…
366	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
367		528
368	$coro	529	$coro
369	}	530	}
370		531
371	sub write_runtime {	532	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		533
374	my $runtime = "$LOCALDIR/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
375		538
376	warn "starting to write runtime...\n";#d#	539	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		540
380	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		543
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
385	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
386		547
387	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	549	reset_signals;
389	and return;	550	&$cb
		551	}, @args;
390		552
391	close $fh	553	wantarray ? @res : $res[-1]
392	or return;	554	}
393		555
394	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
395	and return;
396		557
397	warn "... done writing runtime.\n";#d#	558	=cut
398		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
399	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
400	}	708	}
401		709
402	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
403		711
404	Log a datalog packet of the given type with the given key-value pairs.	712	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")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
424		732
425	In the following description, CLASS can be any of C<global>, C<object>	733	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	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	735	Deliantra).
428		736
429	=over 4	737	=over 4
430		738
431	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
432		740
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
596		904
597	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		909
602	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	911	my $pkg = shift @arg;
604		912
605	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
635	}	943	}
636		944
637	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
638	} else {	946	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	948	}
641		949
642	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
643	}	951	}
644		952
…		…
646	if (ref $_[0]) {	954	if (ref $_[0]) {
647	_object_attach @_;	955	_object_attach @_;
648	} else {	956	} else {
649	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
650	}	958	}
		959	_recalc_want;
651	};	960	};
652		961
653	# all those should be optimised	962	# all those should be optimised
654	sub cf::attachable::detach {	963	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
659	reattach ($obj);	968	reattach ($obj);
660	} else {	969	} else {
661	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
662	}	971	}
		972	_recalc_want;
663	};	973	};
664		974
665	sub cf::attachable::attached {	975	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
667		977
…		…
682	";	992	";
683	die if $@;	993	die if $@;
684	}	994	}
685		995
686	our $override;	996	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		998
689	sub override {	999	sub override {
690	$override = 1;	1000	$override = 1;
691	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
692	}	1002	}
693		1003
694	sub do_invoke {	1004	sub do_invoke {
695	my $event = shift;	1005	my $event = shift;
696	my $callbacks = shift;	1006	my $callbacks = shift;
697		1007
698	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
699		1009
700	local $override;	1010	local $override;
701		1011
702	for (@$callbacks) {	1012	for (@$callbacks) {
703	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
712	}	1022	}
713		1023
714	0	1024	0
715	}	1025	}
716		1026
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1028
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1030
721	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
722		1032
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	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	1034	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1036
727	=back	1037	=back
728		1038
729	=cut	1039	=cut
730		1040
731	#############################################################################	1041	#############################################################################
732	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
733		1085
734	sub reattach {	1086	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1088	my ($obj) = @_;
737		1089
…		…
758	cf::attachable->attach (	1110	cf::attachable->attach (
759	prio => -1000000,	1111	prio => -1000000,
760	on_instantiate => sub {	1112	on_instantiate => sub {
761	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
762		1114
763	$data = from_json $data;	1115	$data = decode_json $data;
764		1116
765	for (@$data) {	1117	for (@$data) {
766	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
767		1119
768	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1136	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
786		1138
787	sync_job {	1139	sync_job {
788	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
791		1144
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1149	close $fh;
797		1150
798	if (@$objs) {	1151	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1157	close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
806	}	1159	}
…		…
814	}	1167	}
815	} else {	1168	} else {
816	aio_unlink $filename;	1169	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
818	}	1171	}
819	}	1172	};
820	}	1173	}
821		1174
822	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
824		1177
…		…
836	or return;	1189	or return;
837		1190
838	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
840	or return;	1193	or return;
		1194
841	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
842	}	1197	}
843		1198
		1199	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
846	return ($data, $av);	1203	($data, $av)
847	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
848		1211
849	#############################################################################	1212	#############################################################################
850	# command handling &c	1213	# command handling &c
851		1214
852	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1229	}
867		1230
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1232
870	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
871		1238
872	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
873	called.	1240	called.
874		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
875	=cut	1253	=cut
876		1254
877	sub register_extcmd {	1255	sub register_extcmd {
878	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
879		1257
880	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
881	}	1265	}
882		1266
883	cf::player->attach (	1267	cf::player->attach (
884	on_command => sub {	1268	on_command => sub {
885	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1278	cf::override;
895	},	1279	},
896	on_extcmd => sub {	1280	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
898		1282
899	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1284
901	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
907	} else {	1300	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1302	}
910		1303
911	cf::override;	1304	cf::override;
912	},	1305	},
913	);	1306	);
914		1307
915	sub load_extension {
916	my ($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 {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
950	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1313	next unless -r $path;
952	eval {	1314
953	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
954	1	1371	}
955	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
956	}	1377	};
957	}	1378	}
958		1379
959	#############################################################################	1380	#############################################################################
960		1381
		1382	=back
		1383
961	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
962		1385
963	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
964		1387
965	=cut	1388	=cut
…		…
969	use Coro::AIO;	1392	use Coro::AIO;
970		1393
971	=head3 cf::player	1394	=head3 cf::player
972		1395
973	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
974		1411
975	=item cf::player::find $login	1412	=item cf::player::find $login
976		1413
977	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
978		1415
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1455
1019	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1022	}	1464	}
1023	}	1465	}
1024	}	1466	}
1025		1467
…		…
1034	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1035		1477
1036	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1038		1480
		1481	cf::get_slot 0.01;
		1482
1039	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1040	Coro::cede;	1484	cf::cede_to_tick;
1041	}	1485	}
1042		1486
1043	sub new($) {	1487	sub new($) {
1044	my ($login) = @_;	1488	my ($login) = @_;
1045		1489
…		…
1049	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1050		1494
1051	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1052		1496
1053	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1054	}	1508	}
1055		1509
1056	=item $pl->quit_character	1510	=item $pl->quit_character
1057		1511
1058	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1567	or return [];
1114		1568
1115	my @logins;	1569	my @logins;
1116		1570
1117	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1121		1580
1122	utf8::decode $login;	1581	utf8::decode $login;
1123	push @logins, $login;	1582	push @logins, $login;
1124	}	1583	}
1125		1584
…		…
1152	}	1611	}
1153		1612
1154	\@paths	1613	\@paths
1155	}	1614	}
1156		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1157	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1158		1710
1159	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1160		1712
1161	=cut	1713	=cut
1162		1714
1163	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1165		1717
1166	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1719	}
1170		1720
1171	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1172		1722
1173	Sends an ext event to the client.	1723	Sends an ext event to the client.
1174		1724
1175	=cut	1725	=cut
1176		1726
1177	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1179		1729
1180	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1181	}	1731	}
1182		1732
1183	=head3 cf::region	1733	=head3 cf::region
1184		1734
1185	=over 4	1735	=over 4
…		…
1188		1738
1189	package cf::region;	1739	package cf::region;
1190		1740
1191	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1192		1742
1193	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1194		1744
1195	=cut	1745	=cut
1196		1746
1197	sub find_by_path($) {	1747	sub find_by_path($) {
1198	my ($path) = @_;	1748	my ($path) = @_;
1199		1749
1200	my ($match, $specificity);	1750	my ($match, $specificity);
1201		1751
1202	for my $region (list) {	1752	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1206	}	1756	}
1207	}	1757	}
1208		1758
…		…
1229	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1231		1781
1232	sub generate_random_map {	1782	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1234	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1788	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1273		1826
1274	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1275	local $self->{path};	1828	local $self->{path};
1276	local $self->{load_path};	1829	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1830
1280	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1281	}	1832	}
1282		1833
1283	sub normalise {	1834	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1331	return $self;	1882	return $self;
1332	}	1883	}
1333	}	1884	}
1334		1885
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1887	()
1337	}	1888	}
1338		1889
1339	sub init {	1890	sub init {
1340	my ($self) = @_;	1891	my ($self) = @_;
…		…
1362		1913
1363	# the temporary/swap location	1914	# the temporary/swap location
1364	sub save_path {	1915	sub save_path {
1365	my ($self) = @_;	1916	my ($self) = @_;
1366		1917
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1369	}	1920	}
1370		1921
1371	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1372	sub uniq_path {	1923	sub uniq_path {
1373	my ($self) = @_;	1924	my ($self) = @_;
1374		1925
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1377	}	1928	}
1378		1929
1379	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1380	# all maps in C++...	1931	# all maps in C++...
…		…
1383		1934
1384	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1386	}	1937	}
1387		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1388	sub unlink_save {	1947	sub unlink_save {
1389	my ($self) = @_;	1948	my ($self) = @_;
1390		1949
1391	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1954
1396	sub load_header_from($) {	1955	sub load_header_from($) {
1397	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1398		1957
1399	utf8::encode $path;	1958	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1405		1967
1406	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1407		1969
1408	1	1970	1
1409	}	1971	}
…		…
1448	$self->load_header_orig	2010	$self->load_header_orig
1449	or return;	2011	or return;
1450	$self->prepare_orig;	2012	$self->prepare_orig;
1451	}	2013	}
1452		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
1453	$self->default_region (cf::region::find_by_path $self->{path})	2018	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2019	unless $self->default_region;
1455		2020
1456	1	2021	1
1457	}	2022	}
…		…
1460	sub find {	2025	sub find {
1461	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1462		2027
1463	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1464		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1466		2032
1467	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1469	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1470	or return;	2038	or return;
1471		2039
1472	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1473		2041
1474	$map->load_header	2042	$map->load_header
1475	or return;	2043	or return;
1476		2044
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1480	$map->reset;	2050	$map->reset;
1481	undef $guard;
1482	return find $path;	2051	return find $path;
1483	}	2052	}
1484		2053
1485	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1486	}	2055	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1496		2065
1497	my $path = $self->{path};	2066	my $path = $self->{path};
1498		2067
1499	{	2068	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1501		2070
		2071	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2073
1504	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1505		2075
1506	$self->alloc;	2076	$self->alloc;
1507		2077
1508	$self->pre_load;	2078	$self->pre_load;
1509	Coro::cede;	2079	cf::cede_to_tick;
1510		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1512	or return;	2084	or return;
1513		2085
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	2087	if delete $self->{load_original};
1516		2088
1517	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2090	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2093	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1522	}	2097	}
1523	}	2098	}
1524		2099
1525	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1526	# now do the right thing for maps	2103	# now do the right thing for maps
1527	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2106	unless $self->difficulty;
1530	Coro::cede;	2107	cf::cede_to_tick;
1531		2108
1532	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2110	$self->decay_objects;
1534	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1535	$self->update_buttons;	2112	$self->update_buttons;
1536	Coro::cede;	2113	cf::cede_to_tick;
1537	$self->set_darkness_map;	2114	$self->set_darkness_map;
1538	Coro::cede;	2115	cf::cede_to_tick;
1539	$self->activate;	2116	$self->activate;
1540	}	2117	}
1541		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2123	}
1544		2124
1545	$self->post_load;	2125	$self->post_load;
1546	}	2126	}
1547		2127
…		…
1549	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1550		2130
1551	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2132	if $self->per_player;
1553		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1554	$self	2137	$self
1555	}	2138	}
1556		2139
1557	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2141	sub load_neighbours {
1559	my ($map) = @_;	2142	my ($map) = @_;
1560		2143
1561	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1562		2145
1563	for (0 .. 3) {	2146	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1565	or next;	2148	or next;
1566	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1567	or next;	2150	or next;
1568	$neigh->load;	2151	$neigh->load;
1569		2152
		2153	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2156	}
1573		2157
1574	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1576	or next;	2161	or next;
1577	$neigh->load;	2162	$neigh->load;
1578	}	2163	}
1579	}	2164	}
1580		2165
…		…
1585	}	2170	}
1586		2171
1587	sub do_load_sync {	2172	sub do_load_sync {
1588	my ($map) = @_;	2173	my ($map) = @_;
1589		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1590	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1591	}	2179	}
1592		2180
1593	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1595		2183
1596	sub find_async {	2184	sub find_async {
1597	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1598		2186
1599	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1600		2188
1601	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2191	}
1604		2192
1605	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1606	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1607	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2200	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2201	$map->load if $v;
		2202	}
1612		2203
1613	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1614	}	2205	}
1615	}	2206	}
1616	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1617	};	2208	};
1618	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2212	}
1622		2213
1623	sub save {	2214	sub save {
1624	my ($self) = @_;	2215	my ($self) = @_;
1625		2216
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2218
1628	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1629		2220
1630	return unless $self->dirty;	2221	return unless $self->dirty;
1631		2222
…		…
1637	return if $self->{deny_save};	2228	return if $self->{deny_save};
1638		2229
1639	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1640		2231
1641	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1643	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1644		2238
1645	if ($uniq) {	2239	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2242	} else {
…		…
1654	my ($self) = @_;	2248	my ($self) = @_;
1655		2249
1656	# save first because save cedes	2250	# save first because save cedes
1657	$self->save;	2251	$self->save;
1658		2252
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2254
1661	return if $self->players;	2255	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1663	return if $self->{deny_save};	2257	return if $self->{deny_save};
1664		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2263	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2264	}
1668		2265
1669	sub reset_at {	2266	sub reset_at {
1670	my ($self) = @_;	2267	my ($self) = @_;
1671		2268
1672	# TODO: safety, remove and allow resettable per-player maps	2269	# 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};	2270	return 1e99 if $self->{deny_reset};
1675		2271
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2274
…		…
1689	my ($self) = @_;	2285	my ($self) = @_;
1690		2286
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2288
1693	return if $self->players;	2289	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2290
1696	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1697		2292
1698	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1699		2294
1700	# need to save uniques path	2295	# need to save uniques path
1701	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2300	if $uniq;
1706	}	2301	}
1707		2302
1708	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1709		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2307	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2308
1714	$self->unlink_save;	2309	$self->unlink_save;
1715	$self->destroy;	2310	$self->destroy;
1716	}	2311	}
1717		2312
1718	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1719		2314
1720	sub nuke {	2315	sub nuke {
1721	my ($self) = @_;	2316	my ($self) = @_;
1722		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1723	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1724		2322
1725	$self->unlink_save;	2323	$self->unlink_save;
1726		2324
1727	bless $self, "cf::map";	2325	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2330
1733	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1734		2333
1735	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1736	}	2371	}
1737		2372
1738	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1739		2374
1740	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2376	instantiated unique items. May block.
1742		2377
1743	=cut	2378	=cut
1744		2379
1745	sub unique_maps() {	2380	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2381	[
1747	or return;	2382	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2383	utf8::decode $_;
1753	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2386	? ()
1756	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2389	]
1758
1759	\@paths
1760	}	2390	}
1761
1762	package cf;
1763		2391
1764	=back	2392	=back
1765		2393
1766	=head3 cf::object	2394	=head3 cf::object
1767		2395
…		…
1771		2399
1772	=over 4	2400	=over 4
1773		2401
1774	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1775		2403
1776	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1777		2406
1778	=cut	2407	=cut
1779		2408
1780	sub inv_recursive_;	2409	sub inv_recursive_;
1781	sub inv_recursive_ {	2410	sub inv_recursive_ {
1782	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1783	}	2412	}
1784		2413
1785	sub inv_recursive {	2414	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1787	}	2444	}
1788		2445
1789	package cf;	2446	package cf;
1790		2447
1791	=back	2448	=back
…		…
1810		2467
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2469
1813	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1815	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1818	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1819	}	2495	}
1820		2496
1821	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1822		2498
1823	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1871		2547
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2549
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1876		2552
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2554	}
1879		2555
1880	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1882		2560
1883	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1884		2562
1885	unless ($map) {	2563	unless ($map) {
1886	# restore original map position	2564	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1903		2581
1904	$map->load;	2582	$map->load;
1905	$map->load_diag;	2583	$map->load_neighbours;
1906		2584
1907	return unless $self->contr->active;	2585	return unless $self->contr->active;
1908	$self->activate_recursive;	2586	$self->activate_recursive;
1909		2587
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1912	}	2590	}
1913		2591
1914	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2593
1918	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1922	};	2598	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2599
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	2600	=cut
		2601
		2602	our $GOTOGEN;
1949		2603
1950	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2609
1953	$self->enter_link;	2610	$self->enter_link;
1954		2611
1955	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1956	my $map = eval {	2634	my $map = eval {
1957	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1959	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2650	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1964	})->prio (1);	2658	})->prio (1);
1965	}	2659	}
1966		2660
1967	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1968		2662
…		…
2005	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2006	}	2700	}
2007		2701
2008	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2009		2703
2010	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2013		2707
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2037	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2039		2733
2040	$self->enter_link;	2734	$self->enter_link;
2041		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2042	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2043	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2744	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2046		2746
2047	1;	2747	1;
…		…
2073		2773
2074	utf8::encode $text;	2774	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2776	}
2077		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	);
		2844
		2845	sub cf::client::send_msg {
		2846	my ($self, $channel, $msg, $color, @extra) = @_;
		2847
		2848	$msg = $self->pl->expand_cfpod ($msg);
		2849
		2850	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2851
		2852	# check predefined channels, for the benefit of C
		2853	if ($CHANNEL{$channel}) {
		2854	$channel = $CHANNEL{$channel};
		2855
		2856	$self->ext_msg (channel_info => $channel)
		2857	if $self->can_msg;
		2858
		2859	$channel = $channel->{id};
		2860
		2861	} elsif (ref $channel) {
		2862	# send meta info to client, if not yet sent
		2863	unless (exists $self->{channel}{$channel->{id}}) {
		2864	$self->{channel}{$channel->{id}} = $channel;
		2865	$self->ext_msg (channel_info => $channel)
		2866	if $self->can_msg;
		2867	}
		2868
		2869	$channel = $channel->{id};
		2870	}
		2871
		2872	return unless @extra || length $msg;
		2873
		2874	if ($self->can_msg) {
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2881	} else {
		2882	if ($color >= 0) {
		2883	# replace some tags by gcfclient-compatible ones
		2884	for ($msg) {
		2885	1 while
		2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2891	}
		2892
		2893	$color &= cf::NDI_COLOR_MASK;
		2894
		2895	utf8::encode $msg;
		2896
		2897	if (0 && $msg =~ /\[/) {
		2898	# COMMAND/INFO
		2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2900	} else {
		2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2902	$self->send_packet ("drawinfo $color $msg")
		2903	}
		2904	}
		2905	}
		2906	}
		2907
2078	=item $client->ext_event ($type, %msg)	2908	=item $client->ext_msg ($type, @msg)
2079		2909
2080	Sends an exti event to the client.	2910	Sends an ext event to the client.
2081		2911
2082	=cut	2912	=cut
2083		2913
2084	sub cf::client::ext_event($$%) {	2914	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2915	my ($self, $type, @msg) = @_;
2086		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2919	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2920	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2922	}
		2923	}
		2924
		2925	=item $client->ext_reply ($msgid, @msg)
		2926
		2927	Sends an ext reply to the client.
		2928
		2929	=cut
		2930
		2931	sub cf::client::ext_reply($$@) {
		2932	my ($self, $id, @msg) = @_;
		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2936	} elsif ($self->extcmd == 1) {
		2937	#TODO: version 1, remove
		2938	unshift @msg, msgtype => "reply", msgid => $id;
		2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2940	}
2089	}	2941	}
2090		2942
2091	=item $success = $client->query ($flags, "text", \&cb)	2943	=item $success = $client->query ($flags, "text", \&cb)
2092		2944
2093	Queues a query to the client, calling the given callback with	2945	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>,	2946	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>.	2947	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2948
2097	Queries can fail, so check the return code. Or don't, as queries will become	2949	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2950	become reliable at some point in the future.
2099		2951
2100	=cut	2952	=cut
2101		2953
2102	sub cf::client::query {	2954	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2955	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2963	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2964	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2965
2114	$self->send_packet ($self->{query_queue}[0][0])	2966	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2967	if @{ $self->{query_queue} } == 1;
		2968
		2969	1
2116	}	2970	}
2117		2971
2118	cf::client->attach (	2972	cf::client->attach (
		2973	on_connect => sub {
		2974	my ($ns) = @_;
		2975
		2976	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2977	},
2119	on_reply => sub {	2978	on_reply => sub {
2120	my ($ns, $msg) = @_;	2979	my ($ns, $msg) = @_;
2121		2980
2122	# this weird shuffling is so that direct followup queries	2981	# this weird shuffling is so that direct followup queries
2123	# get handled first	2982	# get handled first
…		…
2135	} else {	2994	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2995	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2996	}
2138	}	2997	}
2139	},	2998	},
		2999	on_exticmd => sub {
		3000	my ($ns, $buf) = @_;
		3001
		3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3003
		3004	if (ref $msg) {
		3005	my ($type, $reply, @payload) =
		3006	"ARRAY" eq ref $msg
		3007	? @$msg
		3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3009
		3010	my @reply;
		3011
		3012	if (my $cb = $EXTICMD{$type}) {
		3013	@reply = $cb->($ns, @payload);
		3014	}
		3015
		3016	$ns->ext_reply ($reply, @reply)
		3017	if $reply;
		3018
		3019	} else {
		3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3021	}
		3022
		3023	cf::override;
		3024	},
2140	);	3025	);
2141		3026
2142	=item $client->async (\&cb)	3027	=item $client->async (\&cb)
2143		3028
2144	Create a new coroutine, running the specified callback. The coroutine will	3029	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3070	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3071	our $safe_hole = new Safe::Hole;
2187		3072
2188	$SIG{FPE} = 'IGNORE';	3073	$SIG{FPE} = 'IGNORE';
2189		3074
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3075	$safe->permit_only (Opcode::opset qw(
		3076	:base_core :base_mem :base_orig :base_math
		3077	grepstart grepwhile mapstart mapwhile
		3078	sort time
		3079	));
2191		3080
2192	# here we export the classes and methods available to script code	3081	# here we export the classes and methods available to script code
2193		3082
2194	=pod	3083	=pod
2195		3084
2196	The following functions and methods are available within a safe environment:	3085	The following functions and methods are available within a safe environment:
2197		3086
2198	cf::object contr pay_amount pay_player map	3087	cf::object
		3088	contr pay_amount pay_player map x y force_find force_add destroy
		3089	insert remove name archname title slaying race decrease split
		3090
2199	cf::object::player player	3091	cf::object::player
2200	cf::player peaceful	3092	player
2201	cf::map trigger	3093
		3094	cf::player
		3095	peaceful
		3096
		3097	cf::map
		3098	trigger
2202		3099
2203	=cut	3100	=cut
2204		3101
2205	for (	3102	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3104	insert remove inv name archname title slaying race
		3105	decrease split destroy)],
2207	["cf::object::player" => qw(player)],	3106	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3107	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	3108	["cf::map" => qw(trigger)],
2210	) {	3109	) {
2211	no strict 'refs';	3110	no strict 'refs';
…		…
2282	=back	3181	=back
2283		3182
2284	=cut	3183	=cut
2285		3184
2286	#############################################################################	3185	#############################################################################
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 $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3186	# the server's init and main functions
2462		3187
2463	sub load_facedata($) {	3188	sub load_facedata($) {
2464	my ($path) = @_;	3189	my ($path) = @_;
		3190
		3191	# HACK to clear player env face cache, we need some signal framework
		3192	# for this (global event?)
		3193	%ext::player_env::MUSIC_FACE_CACHE = ();
		3194
		3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3196
2466	warn "loading facedata from $path\n";	3197	warn "loading facedata from $path\n";
2467		3198
2468	my $facedata;	3199	my $facedata;
2469	0 < aio_load $path, $facedata	3200	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3203	$facedata = Coro::Storable::thaw $facedata;
2473		3204
2474	$facedata->{version} == 2	3205	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3206	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3207
		3208	# patch in the exptable
		3209	$facedata->{resource}{"res/exp_table"} = {
		3210	type => FT_RSRC,
		3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3212	};
		3213	cf::cede_to_tick;
		3214
2477	{	3215	{
2478	my $faces = $facedata->{faceinfo};	3216	my $faces = $facedata->{faceinfo};
2479		3217
2480	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3220
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3221	cf::face::set_visibility $idx, $info->{visibility};
		3222	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3225
		3226	cf::cede_to_tick;
2486	}	3227	}
2487		3228
2488	while (my ($face, $info) = each %$faces) {	3229	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3230	next unless $info->{smooth};
		3231
2490	my $idx = cf::face::find $face	3232	my $idx = cf::face::find $face
2491	or next;	3233	or next;
		3234
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3235	if (my $smooth = cf::face::find $info->{smooth}) {
		3236	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3238	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3239	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3240	}
2497	Coro::cede;	3241
		3242	cf::cede_to_tick;
2498	}	3243	}
2499	}	3244	}
2500		3245
2501	{	3246	{
2502	my $anims = $facedata->{animinfo};	3247	my $anims = $facedata->{animinfo};
2503		3248
2504	while (my ($anim, $info) = each %$anims) {	3249	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3250	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3251	cf::cede_to_tick;
2507	}	3252	}
2508		3253
2509	cf::anim::invalidate_all; # d'oh	3254	cf::anim::invalidate_all; # d'oh
2510	}	3255	}
2511		3256
		3257	{
		3258	# TODO: for gcfclient pleasure, we should give resources
		3259	# that gcfclient doesn't grok a >10000 face index.
		3260	my $res = $facedata->{resource};
		3261
		3262	while (my ($name, $info) = each %$res) {
		3263	if (defined $info->{type}) {
		3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3265	my $data;
		3266
		3267	if ($info->{type} & 1) {
		3268	# prepend meta info
		3269
		3270	my $meta = $enc->encode ({
		3271	name => $name,
		3272	%{ $info->{meta} || {} },
		3273	});
		3274
		3275	$data = pack "(w/a*)*", $meta, $info->{data};
		3276	} else {
		3277	$data = $info->{data};
		3278	}
		3279
		3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3281	cf::face::set_type $idx, $info->{type};
		3282	} else {
		3283	$RESOURCE{$name} = $info;
		3284	}
		3285
		3286	cf::cede_to_tick;
		3287	}
		3288	}
		3289
		3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3291
2512	1	3292	1
2513	}	3293	}
2514		3294
		3295	cf::global->attach (on_resource_update => sub {
		3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3298
		3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3300	my $sound = $soundconf->{compat}[$_]
		3301	or next;
		3302
		3303	my $face = cf::face::find "sound/$sound->[1]";
		3304	cf::sound::set $sound->[0] => $face;
		3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3306	}
		3307
		3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3309	my $face = cf::face::find "sound/$v";
		3310	cf::sound::set $k => $face;
		3311	}
		3312	}
		3313	});
		3314
		3315	register_exticmd fx_want => sub {
		3316	my ($ns, $want) = @_;
		3317
		3318	while (my ($k, $v) = each %$want) {
		3319	$ns->fx_want ($k, $v);
		3320	}
		3321	};
		3322
		3323	sub load_resource_file($) {
		3324	my $guard = lock_acquire "load_resource_file";
		3325
		3326	my $status = load_resource_file_ $_[0];
		3327	get_slot 0.1, 100;
		3328	cf::arch::commit_load;
		3329
		3330	$status
		3331	}
		3332
2515	sub reload_regions {	3333	sub reload_regions {
		3334	# HACK to clear player env face cache, we need some signal framework
		3335	# for this (global event?)
		3336	%ext::player_env::MUSIC_FACE_CACHE = ();
		3337
2516	load_resource_file "$MAPDIR/regions"	3338	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3339	or die "unable to load regions file\n";
		3340
		3341	for (cf::region::list) {
		3342	$_->{match} = qr/$_->{match}/
		3343	if exists $_->{match};
		3344	}
2518	}	3345	}
2519		3346
2520	sub reload_facedata {	3347	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3348	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3349	or die "unable to load facedata\n";
…		…
2533	}	3360	}
2534		3361
2535	sub reload_resources {	3362	sub reload_resources {
2536	warn "reloading resource files...\n";	3363	warn "reloading resource files...\n";
2537		3364
2538	reload_regions;
2539	reload_facedata;	3365	reload_facedata;
2540	reload_archetypes;	3366	reload_archetypes;
		3367	reload_regions;
2541	reload_treasures;	3368	reload_treasures;
2542		3369
2543	warn "finished reloading resource files\n";	3370	warn "finished reloading resource files\n";
2544	}	3371	}
2545		3372
2546	sub init {	3373	sub init {
		3374	my $guard = freeze_mainloop;
		3375
2547	reload_resources;	3376	reload_resources;
2548	}	3377	}
2549		3378
2550	sub cfg_load {	3379	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3380	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3381	or return;
2553		3382
2554	local $/;	3383	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3384	*CFG = YAML::Load <$fh>;
2556		3385
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3387
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3388	$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};	3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2571	sub main {	3400	sub main {
2572	# we must not ever block the main coroutine	3401	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3402	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3404	(async {
2576	Event::one_event;	3405	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3406	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3407	})->prio (Coro::PRIO_MAX);
2578	};	3408	};
2579		3409
2580	cfg_load;	3410	{
		3411	my $guard = freeze_mainloop;
		3412	reload_config;
2581	db_init;	3413	db_init;
2582	load_extensions;	3414	load_extensions;
2583		3415
2584	$TICK_WATCHER->start;	3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417	evthread_start IO::AIO::poll_fileno;
		3418	}
		3419
2585	Event::loop;	3420	EV::loop;
2586	}	3421	}
2587		3422
2588	#############################################################################	3423	#############################################################################
2589	# initialisation and cleanup	3424	# initialisation and cleanup
2590		3425
2591	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2592	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3430	$SIGWATCHER{$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";	3431	cf::cleanup "SIG$signal";
2601	},
2602	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	my $runtime = "$LOCALDIR/runtime";
		3438
		3439	# first touch the runtime file to show we are still running:
		3440	# the fsync below can take a very very long time.
		3441
		3442	IO::AIO::aio_utime $runtime, undef, undef;
		3443
		3444	my $guard = cf::lock_acquire "write_runtime";
		3445
		3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3447	or return;
		3448
		3449	my $value = $cf::RUNTIME + 90 + 10;
		3450	# 10 is the runtime save interval, for a monotonic clock
		3451	# 60 allows for the watchdog to kill the server.
		3452
		3453	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3454	and return;
		3455
		3456	# always fsync - this file is important
		3457	aio_fsync $fh
		3458	and return;
		3459
		3460	# touch it again to show we are up-to-date
		3461	aio_utime $fh, undef, undef;
		3462
		3463	close $fh
		3464	or return;
		3465
		3466	aio_rename "$runtime~", $runtime
		3467	and return;
		3468
		3469	warn "runtime file written.\n";
		3470
2603	}	3471	1
		3472	}
		3473
		3474	our $uuid_lock;
		3475	our $uuid_skip;
		3476
		3477	sub write_uuid_sync($) {
		3478	$uuid_skip ||= $_[0];
		3479
		3480	return if $uuid_lock;
		3481	local $uuid_lock = 1;
		3482
		3483	my $uuid = "$LOCALDIR/uuid";
		3484
		3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3486	or return;
		3487
		3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3489	$uuid_skip = 0;
		3490
		3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3492	and return;
		3493
		3494	# always fsync - this file is important
		3495	aio_fsync $fh
		3496	and return;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$uuid~", $uuid
		3502	and return;
		3503
		3504	warn "uuid file written ($value).\n";
		3505
		3506	1
		3507
		3508	}
		3509
		3510	sub write_uuid($$) {
		3511	my ($skip, $sync) = @_;
		3512
		3513	$sync ? write_uuid_sync $skip
		3514	: async { write_uuid_sync $skip };
2604	}	3515	}
2605		3516
2606	sub emergency_save() {	3517	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3518	my $freeze_guard = cf::freeze_mainloop;
2608		3519
…		…
2614	# and maps saved/destroyed asynchronously.	3525	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3526	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3527	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3528	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3529	$pl->valid or next;
		3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3531	$pl->save;
2620	}	3532	}
2621	warn "end emergency player save\n";	3533	warn "end emergency player save\n";
2622		3534
2623	warn "begin emergency map save\n";	3535	warn "begin emergency map save\n";
…		…
2629	warn "end emergency map save\n";	3541	warn "end emergency map save\n";
2630		3542
2631	warn "begin emergency database checkpoint\n";	3543	warn "begin emergency database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3544	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3545	warn "end emergency database checkpoint\n";
		3546
		3547	warn "begin write uuid\n";
		3548	write_uuid_sync 1;
		3549	warn "end write uuid\n";
2634	};	3550	};
2635		3551
2636	warn "leave emergency perl save\n";	3552	warn "leave emergency perl save\n";
2637	}	3553	}
2638		3554
…		…
2653	warn "reloading...";	3569	warn "reloading...";
2654		3570
2655	warn "entering sync_job";	3571	warn "entering sync_job";
2656		3572
2657	cf::sync_job {	3573	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3574	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3575	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2661		3577
2662	warn "syncing database to disk";	3578	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3580
2665	# if anything goes wrong in here, we should simply crash as we already saved	3581	# 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		3582
2672	warn "flushing outstanding aio requests";	3583	warn "flushing outstanding aio requests";
2673	for (;;) {	3584	for (;;) {
2674	BDB::flush;	3585	BDB::flush;
2675	IO::AIO::flush;	3586	IO::AIO::flush;
2676	Coro::cede;	3587	Coro::cede_notself;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3588	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";	3589	warn "iterate...";
2679	}	3590	}
2680		3591
2681	++$RELOAD;	3592	++$RELOAD;
…		…
2685	%EXT_CORO = ();	3596	%EXT_CORO = ();
2686		3597
2687	warn "removing commands";	3598	warn "removing commands";
2688	%COMMAND = ();	3599	%COMMAND = ();
2689		3600
2690	warn "removing ext commands";	3601	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3602	%EXTCMD = ();
		3603	%EXTICMD = ();
2692		3604
2693	warn "unloading/nuking all extensions";	3605	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3606	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3607	warn "... unloading $pkg";
2696		3608
…		…
2739	warn "reloading cf.pm";	3651	warn "reloading cf.pm";
2740	require cf;	3652	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3654
2743	warn "loading config and database again";	3655	warn "loading config and database again";
2744	cf::cfg_load;	3656	cf::reload_config;
2745		3657
2746	warn "loading extensions";	3658	warn "loading extensions";
2747	cf::load_extensions;	3659	cf::load_extensions;
2748		3660
2749	warn "reattaching attachments to objects/players";	3661	warn "reattaching attachments to objects/players";
…		…
2756	warn "leaving sync_job";	3668	warn "leaving sync_job";
2757		3669
2758	1	3670	1
2759	} or do {	3671	} or do {
2760	warn $@;	3672	warn $@;
2761	warn "error while reloading, exiting.";	3673	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3674	};
2764		3675
2765	warn "reloaded";	3676	warn "reloaded";
2766	};	3677	};
2767		3678
…		…
2769		3680
2770	sub reload_perl() {	3681	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3682	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3683	# coro crashes during coro_state_free->destroy here.
2773		3684
2774	$RELOAD_WATCHER ||= Event->timer (	3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775	reentrant => 0,
2776	after => 0,
2777	data => WF_AUTOCANCEL,
2778	cb => sub {
2779	do_reload_perl;	3686	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3687	undef $RELOAD_WATCHER;
2781	},
2782	);	3688	};
2783	}	3689	}
2784		3690
2785	register_command "reload" => sub {	3691	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3692	my ($who, $arg) = @_;
2787		3693
2788	if ($who->flag (FLAG_WIZ)) {	3694	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3695	$who->message ("reloading server.");
		3696	async {
		3697	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3698	reload_perl;
		3699	};
2791	}	3700	}
2792	};	3701	};
2793		3702
2794	unshift @INC, $LIBDIR;	3703	unshift @INC, $LIBDIR;
2795		3704
…		…
2797		3706
2798	our @WAIT_FOR_TICK;	3707	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3708	our @WAIT_FOR_TICK_BEGIN;
2800		3709
2801	sub wait_for_tick {	3710	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3711	return if tick_inhibit || $Coro::current == $Coro::main;
2804		3712
2805	my $signal = new Coro::Signal;	3713	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3714	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3715	$signal->wait;
2808	}	3716	}
2809		3717
2810	sub wait_for_tick_begin {	3718	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3719	return if tick_inhibit || $Coro::current == $Coro::main;
2813		3720
2814	my $signal = new Coro::Signal;	3721	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3722	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3723	$signal->wait;
2817	}	3724	}
2818		3725
2819	$TICK_WATCHER = Event->timer (	3726	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) {	3727	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3729	unless ++$bug_warning > 10;
2829	return;	3730	return;
2830	}	3731	}
2831		3732
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3733	cf::server_tick; # one server iteration
2835		3734
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3737	Coro::async_pool {
		3738	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3739	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3740	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3741	};
		3742	}
2846		3743
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) {	3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3745	$sig->send;
2858	}	3746	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3747	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3748	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3749	}
2865	);	3750
		3751	$LOAD = ($NOW - $TICK_START) / $TICK;
		3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3753
		3754	if (0) {
		3755	if ($NEXT_TICK) {
		3756	my $jitter = $TICK_START - $NEXT_TICK;
		3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3758	warn "jitter $JITTER\n";#d#
		3759	}
		3760	}
		3761	}
2866		3762
2867	{	3763	{
2868	BDB::max_poll_time $TICK * 0.1;	3764	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3765
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;	3766	BDB::min_parallel 8;
2878		3767	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3768	$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		3769
2894	unless ($DB_ENV) {	3770	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3771	$DB_ENV = BDB::db_env_create;
		3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3773	| BDB::LOG_AUTOREMOVE, 1);
		3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3776
2897	cf::sync_job {	3777	cf::sync_job {
2898	eval {	3778	eval {
2899	BDB::db_env_open	3779	BDB::db_env_open
2900	$DB_ENV,	3780	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3782	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3783	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3784	0666;
2905		3785
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3786	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	};	3787	};
2911		3788
2912	cf::cleanup "db_env_open(db): $@" if $@;	3789	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3790	};
2914	}	3791	}
		3792
		3793	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3794	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3795	};
		3796	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3798	};
		3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3801	};
2915	}	3802	}
2916		3803
2917	{	3804	{
		3805	# configure IO::AIO
		3806
2918	IO::AIO::min_parallel 8;	3807	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3808	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3809	$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	}	3810	}
2931		3811
2932	my $_log_backtrace;	3812	my $_log_backtrace;
2933		3813
2934	sub _log_backtrace {	3814	sub _log_backtrace {
…		…
2938		3818
2939	# limit the # of concurrent backtraces	3819	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3820	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3821	++$_log_backtrace;
2942	async {	3822	async {
		3823	$Coro::current->{desc} = "abt $msg";
		3824
2943	my @bt = fork_call {	3825	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3826	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3827	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3828	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3829	or die "addr2line: $!";

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