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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 1.430 by root, Sun May 4 14:12:37 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	aio_chmod $fh, SAVE_MODE;
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	aio_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	aio_chmod $fh, SAVE_MODE;
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	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
806	}	1159	}
807	} else {	1160	} else {
808	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
809	}	1162	}
…		…
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
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1022	}	1465	}
1023	}	1466	}
1024	}	1467	}
1025		1468
…		…
1034	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1035		1478
1036	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1038		1481
		1482	cf::get_slot 0.01;
		1483
1039	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1040	Coro::cede;	1485	cf::cede_to_tick;
1041	}	1486	}
1042		1487
1043	sub new($) {	1488	sub new($) {
1044	my ($login) = @_;	1489	my ($login) = @_;
1045		1490
…		…
1049	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1050		1495
1051	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1052		1497
1053	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1054	}	1509	}
1055		1510
1056	=item $pl->quit_character	1511	=item $pl->quit_character
1057		1512
1058	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1568	or return [];
1114		1569
1115	my @logins;	1570	my @logins;
1116		1571
1117	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1121		1582
1122	utf8::decode $login;	1583	utf8::decode $login;
1123	push @logins, $login;	1584	push @logins, $login;
1124	}	1585	}
1125		1586
…		…
1152	}	1613	}
1153		1614
1154	\@paths	1615	\@paths
1155	}	1616	}
1156		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1157	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1158		1712
1159	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1160		1714
1161	=cut	1715	=cut
1162		1716
1163	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1165		1719
1166	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1721	}
1170		1722
1171	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1172		1724
1173	Sends an ext event to the client.	1725	Sends an ext event to the client.
1174		1726
1175	=cut	1727	=cut
1176		1728
1177	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1179		1731
1180	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1181	}	1733	}
1182		1734
1183	=head3 cf::region	1735	=head3 cf::region
1184		1736
1185	=over 4	1737	=over 4
…		…
1188		1740
1189	package cf::region;	1741	package cf::region;
1190		1742
1191	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1192		1744
1193	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1194		1746
1195	=cut	1747	=cut
1196		1748
1197	sub find_by_path($) {	1749	sub find_by_path($) {
1198	my ($path) = @_;	1750	my ($path) = @_;
1199		1751
1200	my ($match, $specificity);	1752	my ($match, $specificity);
1201		1753
1202	for my $region (list) {	1754	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1206	}	1758	}
1207	}	1759	}
1208		1760
…		…
1229	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1231		1783
1232	sub generate_random_map {	1784	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1234	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1790	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1273		1828
1274	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1275	local $self->{path};	1830	local $self->{path};
1276	local $self->{load_path};	1831	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1832
1280	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1281	}	1834	}
1282		1835
1283	sub normalise {	1836	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1331	return $self;	1884	return $self;
1332	}	1885	}
1333	}	1886	}
1334		1887
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1889	()
1337	}	1890	}
1338		1891
1339	sub init {	1892	sub init {
1340	my ($self) = @_;	1893	my ($self) = @_;
…		…
1362		1915
1363	# the temporary/swap location	1916	# the temporary/swap location
1364	sub save_path {	1917	sub save_path {
1365	my ($self) = @_;	1918	my ($self) = @_;
1366		1919
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1369	}	1922	}
1370		1923
1371	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1372	sub uniq_path {	1925	sub uniq_path {
1373	my ($self) = @_;	1926	my ($self) = @_;
1374		1927
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1377	}	1930	}
1378		1931
1379	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1380	# all maps in C++...	1933	# all maps in C++...
…		…
1383		1936
1384	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1386	}	1939	}
1387		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1388	sub unlink_save {	1949	sub unlink_save {
1389	my ($self) = @_;	1950	my ($self) = @_;
1390		1951
1391	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1956
1396	sub load_header_from($) {	1957	sub load_header_from($) {
1397	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1398		1959
1399	utf8::encode $path;	1960	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1405		1969
1406	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1407		1971
1408	1	1972	1
1409	}	1973	}
…		…
1448	$self->load_header_orig	2012	$self->load_header_orig
1449	or return;	2013	or return;
1450	$self->prepare_orig;	2014	$self->prepare_orig;
1451	}	2015	}
1452		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1453	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2021	unless $self->default_region;
1455		2022
1456	1	2023	1
1457	}	2024	}
…		…
1460	sub find {	2027	sub find {
1461	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1462		2029
1463	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1464		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1466		2034
1467	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1468	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1469	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1470	or return;	2040	or return;
1471		2041
1472	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1473		2043
1474	$map->load_header	2044	$map->load_header
1475	or return;	2045	or return;
1476		2046
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1480	$map->reset;	2052	$map->reset;
1481	undef $guard;
1482	return find $path;	2053	return find $path;
1483	}	2054	}
1484		2055
1485	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1486	}	2057	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1496		2067
1497	my $path = $self->{path};	2068	my $path = $self->{path};
1498		2069
1499	{	2070	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1501		2072
		2073	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2075
1504	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1505		2077
1506	$self->alloc;	2078	$self->alloc;
1507		2079
1508	$self->pre_load;	2080	$self->pre_load;
1509	Coro::cede;	2081	cf::cede_to_tick;
1510		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1512	or return;	2086	or return;
1513		2087
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	2089	if delete $self->{load_original};
1516		2090
1517	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2092	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2095	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1522	}	2099	}
1523	}	2100	}
1524		2101
1525	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1526	# now do the right thing for maps	2105	# now do the right thing for maps
1527	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2108	unless $self->difficulty;
1530	Coro::cede;	2109	cf::cede_to_tick;
1531		2110
1532	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2112	$self->decay_objects;
1534	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1535	$self->update_buttons;	2114	$self->update_buttons;
1536	Coro::cede;	2115	cf::cede_to_tick;
1537	$self->set_darkness_map;	2116	$self->set_darkness_map;
1538	Coro::cede;	2117	cf::cede_to_tick;
1539	$self->activate;	2118	$self->activate;
1540	}	2119	}
1541		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2125	}
1544		2126
1545	$self->post_load;	2127	$self->post_load;
1546	}	2128	}
1547		2129
…		…
1549	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1550		2132
1551	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2134	if $self->per_player;
1553		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1554	$self	2139	$self
1555	}	2140	}
1556		2141
1557	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2143	sub load_neighbours {
1559	my ($map) = @_;	2144	my ($map) = @_;
1560		2145
1561	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1562		2147
1563	for (0 .. 3) {	2148	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1565	or next;	2150	or next;
1566	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1567	or next;	2152	or next;
1568	$neigh->load;	2153	$neigh->load;
1569		2154
		2155	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2158	}
1573		2159
1574	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1576	or next;	2163	or next;
1577	$neigh->load;	2164	$neigh->load;
1578	}	2165	}
1579	}	2166	}
1580		2167
…		…
1585	}	2172	}
1586		2173
1587	sub do_load_sync {	2174	sub do_load_sync {
1588	my ($map) = @_;	2175	my ($map) = @_;
1589		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1590	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1591	}	2181	}
1592		2182
1593	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1595		2185
1596	sub find_async {	2186	sub find_async {
1597	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1598		2188
1599	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1600		2190
1601	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2193	}
1604		2194
1605	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1606	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1607	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2202	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2203	$map->load if $v;
		2204	}
1612		2205
1613	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1614	}	2207	}
1615	}	2208	}
1616	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1617	};	2210	};
1618	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2214	}
1622		2215
1623	sub save {	2216	sub save {
1624	my ($self) = @_;	2217	my ($self) = @_;
1625		2218
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2220
1628	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1629		2222
1630	return unless $self->dirty;	2223	return unless $self->dirty;
1631		2224
…		…
1637	return if $self->{deny_save};	2230	return if $self->{deny_save};
1638		2231
1639	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1640		2233
1641	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1643	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1644		2240
1645	if ($uniq) {	2241	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2244	} else {
…		…
1654	my ($self) = @_;	2250	my ($self) = @_;
1655		2251
1656	# save first because save cedes	2252	# save first because save cedes
1657	$self->save;	2253	$self->save;
1658		2254
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2256
1661	return if $self->players;	2257	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1663	return if $self->{deny_save};	2259	return if $self->{deny_save};
1664		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2265	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2266	}
1668		2267
1669	sub reset_at {	2268	sub reset_at {
1670	my ($self) = @_;	2269	my ($self) = @_;
1671		2270
1672	# TODO: safety, remove and allow resettable per-player maps	2271	# 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};	2272	return 1e99 if $self->{deny_reset};
1675		2273
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2276
…		…
1689	my ($self) = @_;	2287	my ($self) = @_;
1690		2288
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2290
1693	return if $self->players;	2291	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2292
1696	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1697		2294
1698	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1699		2296
1700	# need to save uniques path	2297	# need to save uniques path
1701	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2302	if $uniq;
1706	}	2303	}
1707		2304
1708	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1709		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2309	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2310
1714	$self->unlink_save;	2311	$self->unlink_save;
1715	$self->destroy;	2312	$self->destroy;
1716	}	2313	}
1717		2314
1718	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1719		2316
1720	sub nuke {	2317	sub nuke {
1721	my ($self) = @_;	2318	my ($self) = @_;
1722		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1723	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1724		2324
1725	$self->unlink_save;	2325	$self->unlink_save;
1726		2326
1727	bless $self, "cf::map";	2327	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2332
1733	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1734		2335
1735	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1736	}	2373	}
1737		2374
1738	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1739		2376
1740	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2378	instantiated unique items. May block.
1742		2379
1743	=cut	2380	=cut
1744		2381
1745	sub unique_maps() {	2382	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2383	[
1747	or return;	2384	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2385	utf8::decode $_;
1753	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2388	? ()
1756	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2391	]
1758
1759	\@paths
1760	}	2392	}
1761
1762	package cf;
1763		2393
1764	=back	2394	=back
1765		2395
1766	=head3 cf::object	2396	=head3 cf::object
1767		2397
…		…
1771		2401
1772	=over 4	2402	=over 4
1773		2403
1774	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1775		2405
1776	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1777		2408
1778	=cut	2409	=cut
1779		2410
1780	sub inv_recursive_;	2411	sub inv_recursive_;
1781	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1784		2415
1785	sub inv_recursive {	2416	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1787	}	2418	}
1788		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1789	package cf;	2448	package cf;
1790		2449
1791	=back	2450	=back
1792		2451
1793	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1802		2461
1803	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1804		2477
1805	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2479	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1810		2483
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2485
1813	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1815	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1818	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1819	}	2511	}
1820		2512
1821	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1822		2514
1823	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1871		2563
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2565
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1876		2568
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2570	}
1879		2571
1880	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1882		2576
1883	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1884		2578
1885	unless ($map) {	2579	unless ($map) {
1886	# restore original map position	2580	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1903		2597
1904	$map->load;	2598	$map->load;
1905	$map->load_diag;	2599	$map->load_neighbours;
1906		2600
1907	return unless $self->contr->active;	2601	return unless $self->contr->active;
1908	$self->activate_recursive;	2602	$self->activate_recursive;
1909		2603
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1912	}	2606	}
1913		2607
1914	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2609
1918	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1922	};	2614	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2615
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	2616	=cut
		2617
		2618	our $GOTOGEN;
1949		2619
1950	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2625
1953	$self->enter_link;	2626	$self->enter_link;
1954		2627
1955	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1956	my $map = eval {	2650	my $map = eval {
1957	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1959	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2666	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1964	})->prio (1);	2674	})->prio (1);
1965	}	2675	}
1966		2676
1967	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1968		2678
…		…
1988	}	2698	}
1989		2699
1990	sub prepare_random_map {	2700	sub prepare_random_map {
1991	my ($exit) = @_;	2701	my ($exit) = @_;
1992		2702
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2705	# that depends on the exit object
1998		2706
1999	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2709	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
2006	}	2716	}
2007		2717
2008	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2009		2719
2010	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2013		2723
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2726	undef $fh;
2017	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
2018		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
2021	}	2735	}
2022	}	2736	}
2023		2737
2024	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
2026		2740
2027	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
2028		2742
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2743	$self->enter_link;
2041		2744
2042	(async {	2745	(async {
2043	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
2044	unless (eval {	2748	unless (eval {
		2749	$self->deactivate_recursive; # just to be sure
		2750
		2751	# random map handling
		2752	{
		2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2754
		2755	prepare_random_map $exit
		2756	if $exit->slaying eq "/!";
		2757	}
		2758
		2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2760	my $x = $exit->stats->hp;
		2761	my $y = $exit->stats->sp;
		2762
2045	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
2046		2764
		2765	# if exit is damned, update players death & WoR home-position
		2766	$self->contr->savebed ($map, $x, $y)
		2767	if $exit->flag (cf::FLAG_DAMNED);
		2768
2047	1;	2769	1
2048	}) {	2770	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
2050	. "I'll try to bring you back to the map you were before. "	2772	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2073		2795
2074	utf8::encode $text;	2796	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2798	}
2077		2799
		2800	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2801
		2802	Send a drawinfo or msg packet to the client, formatting the msg for the
		2803	client if neccessary. C<$type> should be a string identifying the type of
		2804	the message, with C<log> being the default. If C<$color> is negative, suppress
		2805	the message unless the client supports the msg packet.
		2806
		2807	=cut
		2808
		2809	# non-persistent channels (usually the info channel)
		2810	our %CHANNEL = (
		2811	"c/identify" => {
		2812	id => "infobox",
		2813	title => "Identify",
		2814	reply => undef,
		2815	tooltip => "Items recently identified",
		2816	},
		2817	"c/examine" => {
		2818	id => "infobox",
		2819	title => "Examine",
		2820	reply => undef,
		2821	tooltip => "Signs and other items you examined",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/uptime" => {
		2848	id => "infobox",
		2849	title => "Uptime",
		2850	reply => undef,
		2851	tooltip => "How long the server has been running since last restart",
		2852	},
		2853	"c/mapinfo" => {
		2854	id => "infobox",
		2855	title => "Map Info",
		2856	reply => undef,
		2857	tooltip => "Information related to the maps",
		2858	},
		2859	"c/party" => {
		2860	id => "party",
		2861	title => "Party",
		2862	reply => "gsay ",
		2863	tooltip => "Messages and chat related to your party",
		2864	},
		2865	);
		2866
		2867	sub cf::client::send_msg {
		2868	my ($self, $channel, $msg, $color, @extra) = @_;
		2869
		2870	$msg = $self->pl->expand_cfpod ($msg);
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel)
		2879	if $self->can_msg;
		2880
		2881	$channel = $channel->{id};
		2882
		2883	} elsif (ref $channel) {
		2884	# send meta info to client, if not yet sent
		2885	unless (exists $self->{channel}{$channel->{id}}) {
		2886	$self->{channel}{$channel->{id}} = $channel;
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	if ($self->can_msg) {
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2903	} else {
		2904	if ($color >= 0) {
		2905	# replace some tags by gcfclient-compatible ones
		2906	for ($msg) {
		2907	1 while
		2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2913	}
		2914
		2915	$color &= cf::NDI_COLOR_MASK;
		2916
		2917	utf8::encode $msg;
		2918
		2919	if (0 && $msg =~ /\[/) {
		2920	# COMMAND/INFO
		2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2922	} else {
		2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2924	$self->send_packet ("drawinfo $color $msg")
		2925	}
		2926	}
		2927	}
		2928	}
		2929
2078	=item $client->ext_event ($type, %msg)	2930	=item $client->ext_msg ($type, @msg)
2079		2931
2080	Sends an exti event to the client.	2932	Sends an ext event to the client.
2081		2933
2082	=cut	2934	=cut
2083		2935
2084	sub cf::client::ext_event($$%) {	2936	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2937	my ($self, $type, @msg) = @_;
2086		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2942	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2944	}
		2945	}
		2946
		2947	=item $client->ext_reply ($msgid, @msg)
		2948
		2949	Sends an ext reply to the client.
		2950
		2951	=cut
		2952
		2953	sub cf::client::ext_reply($$@) {
		2954	my ($self, $id, @msg) = @_;
		2955
		2956	if ($self->extcmd == 2) {
		2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2958	} elsif ($self->extcmd == 1) {
		2959	#TODO: version 1, remove
		2960	unshift @msg, msgtype => "reply", msgid => $id;
		2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2962	}
2089	}	2963	}
2090		2964
2091	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
2092		2966
2093	Queues a query to the client, calling the given callback with	2967	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>,	2968	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>.	2969	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2970
2097	Queries can fail, so check the return code. Or don't, as queries will become	2971	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2972	become reliable at some point in the future.
2099		2973
2100	=cut	2974	=cut
2101		2975
2102	sub cf::client::query {	2976	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2985	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2987
2114	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
2116	}	2992	}
2117		2993
2118	cf::client->attach (	2994	cf::client->attach (
		2995	on_connect => sub {
		2996	my ($ns) = @_;
		2997
		2998	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2999	},
2119	on_reply => sub {	3000	on_reply => sub {
2120	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
2121		3002
2122	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
2123	# get handled first	3004	# get handled first
…		…
2135	} else {	3016	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3018	}
2138	}	3019	}
2139	},	3020	},
		3021	on_exticmd => sub {
		3022	my ($ns, $buf) = @_;
		3023
		3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3025
		3026	if (ref $msg) {
		3027	my ($type, $reply, @payload) =
		3028	"ARRAY" eq ref $msg
		3029	? @$msg
		3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3031
		3032	my @reply;
		3033
		3034	if (my $cb = $EXTICMD{$type}) {
		3035	@reply = $cb->($ns, @payload);
		3036	}
		3037
		3038	$ns->ext_reply ($reply, @reply)
		3039	if $reply;
		3040
		3041	} else {
		3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3043	}
		3044
		3045	cf::override;
		3046	},
2140	);	3047	);
2141		3048
2142	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
2143		3050
2144	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2187		3094
2188	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2189		3096
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3097	$safe->permit_only (Opcode::opset qw(
		3098	:base_core :base_mem :base_orig :base_math
		3099	grepstart grepwhile mapstart mapwhile
		3100	sort time
		3101	));
2191		3102
2192	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2193		3104
2194	=pod	3105	=pod
2195		3106
2196	The following functions and methods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2197		3108
2198	cf::object contr pay_amount pay_player map	3109	cf::object
		3110	contr pay_amount pay_player map x y force_find force_add destroy
		3111	insert remove name archname title slaying race decrease split
		3112
2199	cf::object::player player	3113	cf::object::player
2200	cf::player peaceful	3114	player
2201	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2202		3121
2203	=cut	3122	=cut
2204		3123
2205	for (	3124	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3126	insert remove inv name archname title slaying race
		3127	decrease split destroy)],
2207	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2210	) {	3131	) {
2211	no strict 'refs';	3132	no strict 'refs';
…		…
2282	=back	3203	=back
2283		3204
2284	=cut	3205	=cut
2285		3206
2286	#############################################################################	3207	#############################################################################
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 $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3208	# the server's init and main functions
2462		3209
2463	sub load_facedata($) {	3210	sub load_facedata($) {
2464	my ($path) = @_;	3211	my ($path) = @_;
		3212
		3213	# HACK to clear player env face cache, we need some signal framework
		3214	# for this (global event?)
		3215	%ext::player_env::MUSIC_FACE_CACHE = ();
		3216
		3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3218
2466	warn "loading facedata from $path\n";	3219	warn "loading facedata from $path\n";
2467		3220
2468	my $facedata;	3221	my $facedata;
2469	0 < aio_load $path, $facedata	3222	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3225	$facedata = Coro::Storable::thaw $facedata;
2473		3226
2474	$facedata->{version} == 2	3227	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3229
		3230	# patch in the exptable
		3231	$facedata->{resource}{"res/exp_table"} = {
		3232	type => FT_RSRC,
		3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3234	};
		3235	cf::cede_to_tick;
		3236
2477	{	3237	{
2478	my $faces = $facedata->{faceinfo};	3238	my $faces = $facedata->{faceinfo};
2479		3239
2480	while (my ($face, $info) = each %$faces) {	3240	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3242
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3243	cf::face::set_visibility $idx, $info->{visibility};
		3244	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3247
		3248	cf::cede_to_tick;
2486	}	3249	}
2487		3250
2488	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3252	next unless $info->{smooth};
		3253
2490	my $idx = cf::face::find $face	3254	my $idx = cf::face::find $face
2491	or next;	3255	or next;
		3256
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3260	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3262	}
2497	Coro::cede;	3263
		3264	cf::cede_to_tick;
2498	}	3265	}
2499	}	3266	}
2500		3267
2501	{	3268	{
2502	my $anims = $facedata->{animinfo};	3269	my $anims = $facedata->{animinfo};
2503		3270
2504	while (my ($anim, $info) = each %$anims) {	3271	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3273	cf::cede_to_tick;
2507	}	3274	}
2508		3275
2509	cf::anim::invalidate_all; # d'oh	3276	cf::anim::invalidate_all; # d'oh
2510	}	3277	}
2511		3278
		3279	{
		3280	# TODO: for gcfclient pleasure, we should give resources
		3281	# that gcfclient doesn't grok a >10000 face index.
		3282	my $res = $facedata->{resource};
		3283
		3284	while (my ($name, $info) = each %$res) {
		3285	if (defined $info->{type}) {
		3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3287	my $data;
		3288
		3289	if ($info->{type} & 1) {
		3290	# prepend meta info
		3291
		3292	my $meta = $enc->encode ({
		3293	name => $name,
		3294	%{ $info->{meta} || {} },
		3295	});
		3296
		3297	$data = pack "(w/a*)*", $meta, $info->{data};
		3298	} else {
		3299	$data = $info->{data};
		3300	}
		3301
		3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3303	cf::face::set_type $idx, $info->{type};
		3304	} else {
		3305	$RESOURCE{$name} = $info;
		3306	}
		3307
		3308	cf::cede_to_tick;
		3309	}
		3310	}
		3311
		3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3313
2512	1	3314	1
2513	}	3315	}
2514		3316
		3317	cf::global->attach (on_resource_update => sub {
		3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3320
		3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3322	my $sound = $soundconf->{compat}[$_]
		3323	or next;
		3324
		3325	my $face = cf::face::find "sound/$sound->[1]";
		3326	cf::sound::set $sound->[0] => $face;
		3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3328	}
		3329
		3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3331	my $face = cf::face::find "sound/$v";
		3332	cf::sound::set $k => $face;
		3333	}
		3334	}
		3335	});
		3336
		3337	register_exticmd fx_want => sub {
		3338	my ($ns, $want) = @_;
		3339
		3340	while (my ($k, $v) = each %$want) {
		3341	$ns->fx_want ($k, $v);
		3342	}
		3343	};
		3344
		3345	sub load_resource_file($) {
		3346	my $guard = lock_acquire "load_resource_file";
		3347
		3348	my $status = load_resource_file_ $_[0];
		3349	get_slot 0.1, 100;
		3350	cf::arch::commit_load;
		3351
		3352	$status
		3353	}
		3354
2515	sub reload_regions {	3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
2516	load_resource_file "$MAPDIR/regions"	3360	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3361	or die "unable to load regions file\n";
		3362
		3363	for (cf::region::list) {
		3364	$_->{match} = qr/$_->{match}/
		3365	if exists $_->{match};
		3366	}
2518	}	3367	}
2519		3368
2520	sub reload_facedata {	3369	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3370	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3371	or die "unable to load facedata\n";
…		…
2533	}	3382	}
2534		3383
2535	sub reload_resources {	3384	sub reload_resources {
2536	warn "reloading resource files...\n";	3385	warn "reloading resource files...\n";
2537		3386
2538	reload_regions;
2539	reload_facedata;	3387	reload_facedata;
2540	reload_archetypes;	3388	reload_archetypes;
		3389	reload_regions;
2541	reload_treasures;	3390	reload_treasures;
2542		3391
2543	warn "finished reloading resource files\n";	3392	warn "finished reloading resource files\n";
2544	}	3393	}
2545		3394
2546	sub init {	3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
2547	reload_resources;	3398	reload_resources;
2548	}	3399	}
2549		3400
2550	sub cfg_load {	3401	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3403	or return;
2553		3404
2554	local $/;	3405	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2556		3407
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3409
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$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};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2571	sub main {	3422	sub main {
2572	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3426	(async {
2576	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2578	};	3430	};
2579		3431
2580	cfg_load;	3432	{
		3433	my $guard = freeze_mainloop;
		3434	reload_config;
2581	db_init;	3435	db_init;
2582	load_extensions;	3436	load_extensions;
2583		3437
2584	$TICK_WATCHER->start;	3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3439	evthread_start IO::AIO::poll_fileno;
		3440	}
		3441
2585	Event::loop;	3442	EV::loop;
2586	}	3443	}
2587		3444
2588	#############################################################################	3445	#############################################################################
2589	# initialisation and cleanup	3446	# initialisation and cleanup
2590		3447
2591	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2592	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3452	$SIGWATCHER{$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";	3453	cf::cleanup "SIG$signal";
2601	},
2602	);	3454	};
		3455	}
		3456	}
		3457
		3458	sub write_runtime_sync {
		3459	my $runtime = "$LOCALDIR/runtime";
		3460
		3461	# first touch the runtime file to show we are still running:
		3462	# the fsync below can take a very very long time.
		3463
		3464	IO::AIO::aio_utime $runtime, undef, undef;
		3465
		3466	my $guard = cf::lock_acquire "write_runtime";
		3467
		3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3469	or return;
		3470
		3471	my $value = $cf::RUNTIME + 90 + 10;
		3472	# 10 is the runtime save interval, for a monotonic clock
		3473	# 60 allows for the watchdog to kill the server.
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	# touch it again to show we are up-to-date
		3483	aio_utime $fh, undef, undef;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$runtime~", $runtime
		3489	and return;
		3490
		3491	warn "runtime file written.\n";
		3492
2603	}	3493	1
		3494	}
		3495
		3496	our $uuid_lock;
		3497	our $uuid_skip;
		3498
		3499	sub write_uuid_sync($) {
		3500	$uuid_skip ||= $_[0];
		3501
		3502	return if $uuid_lock;
		3503	local $uuid_lock = 1;
		3504
		3505	my $uuid = "$LOCALDIR/uuid";
		3506
		3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3508	or return;
		3509
		3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2604	}	3537	}
2605		3538
2606	sub emergency_save() {	3539	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2608		3541
…		…
2614	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3553	$pl->save;
2620	}	3554	}
2621	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2622		3556
2623	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2629	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
2630		3564
2631	warn "begin emergency database checkpoint\n";	3565	warn "begin emergency database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3567	warn "end emergency database checkpoint\n";
		3568
		3569	warn "begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "end write uuid\n";
2634	};	3572	};
2635		3573
2636	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2637	}	3575	}
2638		3576
…		…
2653	warn "reloading...";	3591	warn "reloading...";
2654		3592
2655	warn "entering sync_job";	3593	warn "entering sync_job";
2656		3594
2657	cf::sync_job {	3595	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3597	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2661		3599
2662	warn "syncing database to disk";	3600	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3602
2665	# if anything goes wrong in here, we should simply crash as we already saved	3603	# 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		3604
2672	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2673	for (;;) {	3606	for (;;) {
2674	BDB::flush;	3607	BDB::flush;
2675	IO::AIO::flush;	3608	IO::AIO::flush;
2676	Coro::cede;	3609	Coro::cede_notself;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";	3611	warn "iterate...";
2679	}	3612	}
2680		3613
2681	++$RELOAD;	3614	++$RELOAD;
…		…
2685	%EXT_CORO = ();	3618	%EXT_CORO = ();
2686		3619
2687	warn "removing commands";	3620	warn "removing commands";
2688	%COMMAND = ();	3621	%COMMAND = ();
2689		3622
2690	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2692		3626
2693	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2696		3630
…		…
2739	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2740	require cf;	3674	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3676
2743	warn "loading config and database again";	3677	warn "loading config and database again";
2744	cf::cfg_load;	3678	cf::reload_config;
2745		3679
2746	warn "loading extensions";	3680	warn "loading extensions";
2747	cf::load_extensions;	3681	cf::load_extensions;
2748		3682
2749	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
…		…
2756	warn "leaving sync_job";	3690	warn "leaving sync_job";
2757		3691
2758	1	3692	1
2759	} or do {	3693	} or do {
2760	warn $@;	3694	warn $@;
2761	warn "error while reloading, exiting.";	3695	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3696	};
2764		3697
2765	warn "reloaded";	3698	warn "reloaded";
2766	};	3699	};
2767		3700
…		…
2769		3702
2770	sub reload_perl() {	3703	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3704	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3705	# coro crashes during coro_state_free->destroy here.
2773		3706
2774	$RELOAD_WATCHER ||= Event->timer (	3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775	reentrant => 0,
2776	after => 0,
2777	data => WF_AUTOCANCEL,
2778	cb => sub {
2779	do_reload_perl;	3708	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3709	undef $RELOAD_WATCHER;
2781	},
2782	);	3710	};
2783	}	3711	}
2784		3712
2785	register_command "reload" => sub {	3713	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2787		3715
2788	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
		3718	async {
		3719	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3720	reload_perl;
		3721	};
2791	}	3722	}
2792	};	3723	};
2793		3724
2794	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2795		3726
…		…
2797		3728
2798	our @WAIT_FOR_TICK;	3729	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3730	our @WAIT_FOR_TICK_BEGIN;
2800		3731
2801	sub wait_for_tick {	3732	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2804		3734
2805	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3736	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3737	$signal->wait;
2808	}	3738	}
2809		3739
2810	sub wait_for_tick_begin {	3740	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2813		3742
2814	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3744	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3745	$signal->wait;
2817	}	3746	}
2818		3747
2819	$TICK_WATCHER = Event->timer (	3748	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) {	3749	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2829	return;	3752	return;
2830	}	3753	}
2831		3754
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2835		3756
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3759	Coro::async_pool {
		3760	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3761	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3763	};
		3764	}
2846		3765
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) {	3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3767	$sig->send;
2858	}	3768	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3769	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3770	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3771	}
2865	);	3772
		3773	$LOAD = ($NOW - $TICK_START) / $TICK;
		3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3775
		3776	if (0) {
		3777	if ($NEXT_TICK) {
		3778	my $jitter = $TICK_START - $NEXT_TICK;
		3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3780	warn "jitter $JITTER\n";#d#
		3781	}
		3782	}
		3783	}
2866		3784
2867	{	3785	{
2868	BDB::max_poll_time $TICK * 0.1;	3786	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3787
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;	3788	BDB::min_parallel 8;
2878		3789	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3790	$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		3791
2894	unless ($DB_ENV) {	3792	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3793	$DB_ENV = BDB::db_env_create;
		3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3795	| BDB::LOG_AUTOREMOVE, 1);
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3798
2897	cf::sync_job {	3799	cf::sync_job {
2898	eval {	3800	eval {
2899	BDB::db_env_open	3801	BDB::db_env_open
2900	$DB_ENV,	3802	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3806	0666;
2905		3807
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	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	};	3809	};
2911		3810
2912	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3812	};
2914	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2915	}	3824	}
2916		3825
2917	{	3826	{
		3827	# configure IO::AIO
		3828
2918	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3831	$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	}	3832	}
2931		3833
2932	my $_log_backtrace;	3834	my $_log_backtrace;
2933		3835
2934	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
2938		3840
2939	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3843	++$_log_backtrace;
2942	async {	3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
2943	my @bt = fork_call {	3847	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3848	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3851	or die "addr2line: $!";

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