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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 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	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
377	or return;
378		540
379	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		543
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
384	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
385		547
386	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	549	reset_signals;
388	and return;	550	&$cb
		551	}, @args;
389		552
390	close $fh	553	wantarray ? @res : $res[-1]
391	or return;	554	}
392		555
393	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
394	and return;
395		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
396	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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"
397	}	708	}
398		709
399	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
400		711
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
421		732
422	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>
423	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
424	crossfire+).	735	Deliantra).
425		736
426	=over 4	737	=over 4
427		738
428	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
429		740
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
593		904
594	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		909
599	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	911	my $pkg = shift @arg;
601		912
602	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
632	}	943	}
633		944
634	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
635	} else {	946	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	948	}
638		949
639	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
640	}	951	}
641		952
…		…
643	if (ref $_[0]) {	954	if (ref $_[0]) {
644	_object_attach @_;	955	_object_attach @_;
645	} else {	956	} else {
646	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
647	}	958	}
		959	_recalc_want;
648	};	960	};
649		961
650	# all those should be optimised	962	# all those should be optimised
651	sub cf::attachable::detach {	963	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
656	reattach ($obj);	968	reattach ($obj);
657	} else {	969	} else {
658	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
659	}	971	}
		972	_recalc_want;
660	};	973	};
661		974
662	sub cf::attachable::attached {	975	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
664		977
…		…
679	";	992	";
680	die if $@;	993	die if $@;
681	}	994	}
682		995
683	our $override;	996	our $override;
684	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?
685		998
686	sub override {	999	sub override {
687	$override = 1;	1000	$override = 1;
688	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
689	}	1002	}
690		1003
691	sub do_invoke {	1004	sub do_invoke {
692	my $event = shift;	1005	my $event = shift;
693	my $callbacks = shift;	1006	my $callbacks = shift;
694		1007
695	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
696		1009
697	local $override;	1010	local $override;
698		1011
699	for (@$callbacks) {	1012	for (@$callbacks) {
700	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
709	}	1022	}
710		1023
711	0	1024	0
712	}	1025	}
713		1026
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1028
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1030
718	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
719		1032
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1036
724	=back	1037	=back
725		1038
726	=cut	1039	=cut
727		1040
728	#############################################################################	1041	#############################################################################
729	# 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, $ob2
		1084	}
730		1085
731	sub reattach {	1086	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1088	my ($obj) = @_;
734		1089
…		…
755	cf::attachable->attach (	1110	cf::attachable->attach (
756	prio => -1000000,	1111	prio => -1000000,
757	on_instantiate => sub {	1112	on_instantiate => sub {
758	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
759		1114
760	$data = from_json $data;	1115	$data = decode_json $data;
761		1116
762	for (@$data) {	1117	for (@$data) {
763	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
764		1119
765	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1136	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
783		1138
784	sync_job {	1139	sync_job {
785	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
788		1144
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1149	aio_close $fh;
794		1150
795	if (@$objs) {	1151	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1157	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
803	}	1159	}
804	} else {	1160	} else {
805	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
806	}	1162	}
…		…
811	}	1167	}
812	} else {	1168	} else {
813	aio_unlink $filename;	1169	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
815	}	1171	}
816	}	1172	};
817	}	1173	}
818		1174
819	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
821		1177
…		…
833	or return;	1189	or return;
834		1190
835	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
837	or return;	1193	or return;
		1194
838	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
839	}	1197	}
840		1198
		1199	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
843	return ($data, $av);	1203	($data, $av)
844	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
845		1211
846	#############################################################################	1212	#############################################################################
847	# command handling &c	1213	# command handling &c
848		1214
849	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1229	}
864		1230
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1232
867	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.
868		1238
869	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
870	called.	1240	called.
871		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
872	=cut	1253	=cut
873		1254
874	sub register_extcmd {	1255	sub register_extcmd {
875	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
876		1257
877	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
878	}	1265	}
879		1266
880	cf::player->attach (	1267	cf::player->attach (
881	on_command => sub {	1268	on_command => sub {
882	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1278	cf::override;
892	},	1279	},
893	on_extcmd => sub {	1280	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
895		1282
896	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1284
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
904	} else {	1300	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1302	}
907		1303
908	cf::override;	1304	cf::override;
909	},	1305	},
910	);	1306	);
911		1307
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
947	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1313	next unless -r $path;
949	eval {	1314
950	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	$progress = 1;
951	1	1371	}
952	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
953	}	1377	};
954	}	1378	}
955		1379
956	#############################################################################	1380	#############################################################################
957		1381
		1382	=back
		1383
958	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
959		1385
960	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
961		1387
962	=cut	1388	=cut
…		…
966	use Coro::AIO;	1392	use Coro::AIO;
967		1393
968	=head3 cf::player	1394	=head3 cf::player
969		1395
970	=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	}
971		1411
972	=item cf::player::find $login	1412	=item cf::player::find $login
973		1413
974	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
975		1415
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1455
1016	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1019	}	1465	}
1020	}	1466	}
1021	}	1467	}
1022		1468
…		…
1031	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1032		1478
1033	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1035		1481
		1482	cf::get_slot 0.01;
		1483
1036	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1037	Coro::cede;	1485	cf::cede_to_tick;
1038	}	1486	}
1039		1487
1040	sub new($) {	1488	sub new($) {
1041	my ($login) = @_;	1489	my ($login) = @_;
1042		1490
…		…
1046	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1047		1495
1048	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1049		1497
1050	$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 (@_);
1051	}	1509	}
1052		1510
1053	=item $pl->quit_character	1511	=item $pl->quit_character
1054		1512
1055	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
…		…
1110	or return [];	1568	or return [];
1111		1569
1112	my @logins;	1570	my @logins;
1113		1571
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1118		1582
1119	utf8::decode $login;	1583	utf8::decode $login;
1120	push @logins, $login;	1584	push @logins, $login;
1121	}	1585	}
1122		1586
…		…
1149	}	1613	}
1150		1614
1151	\@paths	1615	\@paths
1152	}	1616	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1155		1712
1156	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1157		1714
1158	=cut	1715	=cut
1159		1716
1160	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1162		1719
1163	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1721	}
1167		1722
1168	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1169		1724
1170	Sends an ext event to the client.	1725	Sends an ext event to the client.
1171		1726
1172	=cut	1727	=cut
1173		1728
1174	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1176		1731
1177	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1178	}	1733	}
1179		1734
1180	=head3 cf::region	1735	=head3 cf::region
1181		1736
1182	=over 4	1737	=over 4
…		…
1185		1740
1186	package cf::region;	1741	package cf::region;
1187		1742
1188	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1189		1744
1190	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1191		1746
1192	=cut	1747	=cut
1193		1748
1194	sub find_by_path($) {	1749	sub find_by_path($) {
1195	my ($path) = @_;	1750	my ($path) = @_;
1196		1751
1197	my ($match, $specificity);	1752	my ($match, $specificity);
1198		1753
1199	for my $region (list) {	1754	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1203	}	1758	}
1204	}	1759	}
1205		1760
…		…
1226	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1228		1783
1229	sub generate_random_map {	1784	sub generate_random_map {
1230	my ($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
1231	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1790	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1270		1828
1271	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1272	local $self->{path};	1830	local $self->{path};
1273	local $self->{load_path};	1831	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1832
1277	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1278	}	1834	}
1279		1835
1280	sub normalise {	1836	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1328	return $self;	1884	return $self;
1329	}	1885	}
1330	}	1886	}
1331		1887
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1889	()
1334	}	1890	}
1335		1891
1336	sub init {	1892	sub init {
1337	my ($self) = @_;	1893	my ($self) = @_;
…		…
1359		1915
1360	# the temporary/swap location	1916	# the temporary/swap location
1361	sub save_path {	1917	sub save_path {
1362	my ($self) = @_;	1918	my ($self) = @_;
1363		1919
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1366	}	1922	}
1367		1923
1368	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1369	sub uniq_path {	1925	sub uniq_path {
1370	my ($self) = @_;	1926	my ($self) = @_;
1371		1927
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1374	}	1930	}
1375		1931
1376	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1377	# all maps in C++...	1933	# all maps in C++...
…		…
1380		1936
1381	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1383	}	1939	}
1384		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1385	sub unlink_save {	1949	sub unlink_save {
1386	my ($self) = @_;	1950	my ($self) = @_;
1387		1951
1388	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1956
1393	sub load_header_from($) {	1957	sub load_header_from($) {
1394	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1395		1959
1396	utf8::encode $path;	1960	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1969
1403	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1404		1971
1405	1	1972	1
1406	}	1973	}
…		…
1445	$self->load_header_orig	2012	$self->load_header_orig
1446	or return;	2013	or return;
1447	$self->prepare_orig;	2014	$self->prepare_orig;
1448	}	2015	}
1449		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1450	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2021	unless $self->default_region;
1452		2022
1453	1	2023	1
1454	}	2024	}
…		…
1457	sub find {	2027	sub find {
1458	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1459		2029
1460	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1461		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1463		2034
1464	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1466	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1467	or return;	2040	or return;
1468		2041
1469	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1470		2043
1471	$map->load_header	2044	$map->load_header
1472	or return;	2045	or return;
1473		2046
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1477	$map->reset;	2052	$map->reset;
1478	undef $guard;
1479	return find $path;	2053	return find $path;
1480	}	2054	}
1481		2055
1482	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1483	}	2057	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1493		2067
1494	my $path = $self->{path};	2068	my $path = $self->{path};
1495		2069
1496	{	2070	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1498		2072
		2073	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2075
1501	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1502		2077
1503	$self->alloc;	2078	$self->alloc;
1504		2079
1505	$self->pre_load;	2080	$self->pre_load;
1506	Coro::cede;	2081	cf::cede_to_tick;
1507		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1509	or return;	2086	or return;
1510		2087
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	2089	if delete $self->{load_original};
1513		2090
1514	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2092	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2095	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1519	}	2099	}
1520	}	2100	}
1521		2101
1522	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1523	# now do the right thing for maps	2105	# now do the right thing for maps
1524	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2108	unless $self->difficulty;
1527	Coro::cede;	2109	cf::cede_to_tick;
1528		2110
1529	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2112	$self->decay_objects;
1531	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1532	$self->update_buttons;	2114	$self->update_buttons;
1533	Coro::cede;	2115	cf::cede_to_tick;
1534	$self->set_darkness_map;	2116	$self->set_darkness_map;
1535	Coro::cede;	2117	cf::cede_to_tick;
1536	$self->activate;	2118	$self->activate;
1537	}	2119	}
1538		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1540
1541	undef $guard;
1542	}	2125	}
1543		2126
1544	$self->post_load;	2127	$self->post_load;
1545	}	2128	}
1546		2129
…		…
1548	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1549		2132
1550	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2134	if $self->per_player;
1552		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1553	$self	2139	$self
1554	}	2140	}
1555		2141
1556	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2143	sub load_neighbours {
1558	my ($map) = @_;	2144	my ($map) = @_;
1559		2145
1560	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1561		2147
1562	for (0 .. 3) {	2148	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1564	or next;	2150	or next;
1565	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1566	or next;	2152	or next;
1567	$neigh->load;	2153	$neigh->load;
1568		2154
		2155	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2158	}
1572		2159
1573	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1575	or next;	2163	or next;
1576	$neigh->load;	2164	$neigh->load;
1577	}	2165	}
1578	}	2166	}
1579		2167
…		…
1584	}	2172	}
1585		2173
1586	sub do_load_sync {	2174	sub do_load_sync {
1587	my ($map) = @_;	2175	my ($map) = @_;
1588		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1589	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1590	}	2181	}
1591		2182
1592	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1594		2185
1595	sub find_async {	2186	sub find_async {
1596	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1597		2188
1598	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1599		2190
1600	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2193	}
1603		2194
1604	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1605	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1606	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2202	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2203	$map->load if $v;
		2204	}
1611		2205
1612	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1613	}	2207	}
1614	}	2208	}
1615	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1616	};	2210	};
1617	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2214	}
1621		2215
1622	sub save {	2216	sub save {
1623	my ($self) = @_;	2217	my ($self) = @_;
1624		2218
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2220
1627	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1628		2222
1629	return unless $self->dirty;	2223	return unless $self->dirty;
1630		2224
…		…
1636	return if $self->{deny_save};	2230	return if $self->{deny_save};
1637		2231
1638	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1639		2233
1640	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1642	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1643		2240
1644	if ($uniq) {	2241	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2244	} else {
…		…
1653	my ($self) = @_;	2250	my ($self) = @_;
1654		2251
1655	# save first because save cedes	2252	# save first because save cedes
1656	$self->save;	2253	$self->save;
1657		2254
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2256
1660	return if $self->players;	2257	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1662	return if $self->{deny_save};	2259	return if $self->{deny_save};
1663		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2265	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2266	}
1667		2267
1668	sub reset_at {	2268	sub reset_at {
1669	my ($self) = @_;	2269	my ($self) = @_;
1670		2270
1671	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1674		2273
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2276
…		…
1688	my ($self) = @_;	2287	my ($self) = @_;
1689		2288
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2290
1692	return if $self->players;	2291	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2292
1695	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1696		2294
1697	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1698		2296
1699	# need to save uniques path	2297	# need to save uniques path
1700	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2302	if $uniq;
1705	}	2303	}
1706		2304
1707	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1708		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2309	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2310
1713	$self->unlink_save;	2311	$self->unlink_save;
1714	$self->destroy;	2312	$self->destroy;
1715	}	2313	}
1716		2314
1717	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1718		2316
1719	sub nuke {	2317	sub nuke {
1720	my ($self) = @_;	2318	my ($self) = @_;
1721		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1722	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1723		2324
1724	$self->unlink_save;	2325	$self->unlink_save;
1725		2326
1726	bless $self, "cf::map";	2327	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2332
1732	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1733		2335
1734	$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	]
1735	}	2373	}
1736		2374
1737	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1738		2376
1739	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2378	instantiated unique items. May block.
1741		2379
1742	=cut	2380	=cut
1743		2381
1744	sub unique_maps() {	2382	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2383	[
1746	or return;	2384	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2385	utf8::decode $_;
1752	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2388	? ()
1755	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2391	]
1757
1758	\@paths
1759	}	2392	}
1760
1761	package cf;
1762		2393
1763	=back	2394	=back
1764		2395
1765	=head3 cf::object	2396	=head3 cf::object
1766		2397
…		…
1770		2401
1771	=over 4	2402	=over 4
1772		2403
1773	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1774		2405
1775	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.
1776		2408
1777	=cut	2409	=cut
1778		2410
1779	sub inv_recursive_;	2411	sub inv_recursive_;
1780	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1783		2415
1784	sub inv_recursive {	2416	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1786	}	2418	}
1787		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
1788	package cf;	2448	package cf;
1789		2449
1790	=back	2450	=back
1791		2451
1792	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1798	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>
1799	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
1800	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1801		2461
1802	=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	};
1803		2477
1804	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2479	# with dialog boxes.
1806	#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
1807	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1809		2483
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2485
1812	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1817	}	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 (@_);
1818	}	2511	}
1819		2512
1820	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1821		2514
1822	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1870		2563
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2565
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1875		2568
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2570	}
1878		2571
1879	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1881		2576
1882	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1883		2578
1884	unless ($map) {	2579	unless ($map) {
1885	# restore original map position	2580	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1902		2597
1903	$map->load;	2598	$map->load;
1904	$map->load_diag;	2599	$map->load_neighbours;
1905		2600
1906	return unless $self->contr->active;	2601	return unless $self->contr->active;
1907	$self->activate_recursive;	2602	$self->activate_recursive;
1908		2603
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1911	}	2606	}
1912		2607
1913	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2609
1917	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1921	};	2614	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2615
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1948		2619
1949	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1950	my ($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;
1951		2625
1952	$self->enter_link;	2626	$self->enter_link;
1953		2627
1954	(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
1955	my $map = eval {	2650	my $map = eval {
1956	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1957	$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
1958	$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 $@;
1959	} or	2666	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1963	})->prio (1);	2674	})->prio (1);
1964	}	2675	}
1965		2676
1966	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1967		2678
…		…
1987	}	2698	}
1988		2699
1989	sub prepare_random_map {	2700	sub prepare_random_map {
1990	my ($exit) = @_;	2701	my ($exit) = @_;
1991		2702
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2705	# that depends on the exit object
1997		2706
1998	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2709	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
2005	}	2716	}
2006		2717
2007	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2008		2719
2009	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2012		2723
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2726	undef $fh;
2016	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
2017		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
2020	}	2735	}
2021	}	2736	}
2022		2737
2023	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
2025		2740
2026	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
2027		2742
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2743	$self->enter_link;
2040		2744
2041	(async {	2745	(async {
2042	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
2043	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
2044	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
2045		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
2046	1;	2769	1
2047	}) {	2770	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
2049	. "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. "
2050	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2072		2795
2073	utf8::encode $text;	2796	utf8::encode $text;
2074	$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);
2075	}	2798	}
2076		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
2077	=item $client->ext_event ($type, %msg)	2930	=item $client->ext_msg ($type, @msg)
2078		2931
2079	Sends an exti event to the client.	2932	Sends an ext event to the client.
2080		2933
2081	=cut	2934	=cut
2082		2935
2083	sub cf::client::ext_event($$%) {	2936	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2937	my ($self, $type, @msg) = @_;
2085		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2942	push @msg, msgtype => "event_$type";
2087	$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	}
2088	}	2963	}
2089		2964
2090	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
2091		2966
2092	Queues a query to the client, calling the given callback with	2967	Queues a query to the client, calling the given callback with
2093	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>,
2094	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>.
2095		2970
2096	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
2097	reliable at some point in the future.	2972	become reliable at some point in the future.
2098		2973
2099	=cut	2974	=cut
2100		2975
2101	sub cf::client::query {	2976	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2985	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2987
2113	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
2115	}	2992	}
2116		2993
2117	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	},
2118	on_reply => sub {	3000	on_reply => sub {
2119	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
2120		3002
2121	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
2122	# get handled first	3004	# get handled first
…		…
2134	} else {	3016	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	3018	}
2137	}	3019	}
2138	},	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	},
2139	);	3047	);
2140		3048
2141	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
2142		3050
2143	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2186		3094
2187	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2188		3096
2189	$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	));
2190		3102
2191	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2192		3104
2193	=pod	3105	=pod
2194		3106
2195	The following functions and methods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2196		3108
2197	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
2198	cf::object::player player	3113	cf::object::player
2199	cf::player peaceful	3114	player
2200	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2201		3121
2202	=cut	3122	=cut
2203		3123
2204	for (	3124	for (
2205	["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)],
2206	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2209	) {	3131	) {
2210	no strict 'refs';	3132	no strict 'refs';
…		…
2281	=back	3203	=back
2282		3204
2283	=cut	3205	=cut
2284		3206
2285	#############################################################################	3207	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3208	# the server's init and main functions
2460		3209
2461	sub load_facedata($) {	3210	sub load_facedata($) {
2462	my ($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;
2463		3218
2464	warn "loading facedata from $path\n";	3219	warn "loading facedata from $path\n";
2465		3220
2466	my $facedata;	3221	my $facedata;
2467	0 < aio_load $path, $facedata	3222	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3225	$facedata = Coro::Storable::thaw $facedata;
2471		3226
2472	$facedata->{version} == 2	3227	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		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
2475	{	3237	{
2476	my $faces = $facedata->{faceinfo};	3238	my $faces = $facedata->{faceinfo};
2477		3239
2478	while (my ($face, $info) = each %$faces) {	3240	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3242
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3243	cf::face::set_visibility $idx, $info->{visibility};
		3244	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3247
		3248	cf::cede_to_tick;
2484	}	3249	}
2485		3250
2486	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3252	next unless $info->{smooth};
		3253
2488	my $idx = cf::face::find $face	3254	my $idx = cf::face::find $face
2489	or next;	3255	or next;
		3256
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3260	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3262	}
2495	Coro::cede;	3263
		3264	cf::cede_to_tick;
2496	}	3265	}
2497	}	3266	}
2498		3267
2499	{	3268	{
2500	my $anims = $facedata->{animinfo};	3269	my $anims = $facedata->{animinfo};
2501		3270
2502	while (my ($anim, $info) = each %$anims) {	3271	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3273	cf::cede_to_tick;
2505	}	3274	}
2506		3275
2507	cf::anim::invalidate_all; # d'oh	3276	cf::anim::invalidate_all; # d'oh
2508	}	3277	}
2509		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
2510	1	3314	1
2511	}	3315	}
2512		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	$status
		3353	}
		3354
2513	sub reload_regions {	3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
2514	load_resource_file "$MAPDIR/regions"	3360	load_resource_file "$MAPDIR/regions"
2515	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 $_->{match};
		3366	}
2516	}	3367	}
2517		3368
2518	sub reload_facedata {	3369	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3370	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3371	or die "unable to load facedata\n";
…		…
2531	}	3382	}
2532		3383
2533	sub reload_resources {	3384	sub reload_resources {
2534	warn "reloading resource files...\n";	3385	warn "reloading resource files...\n";
2535		3386
2536	reload_regions;
2537	reload_facedata;	3387	reload_facedata;
2538	reload_archetypes;	3388	reload_archetypes;
		3389	reload_regions;
2539	reload_treasures;	3390	reload_treasures;
2540		3391
2541	warn "finished reloading resource files\n";	3392	warn "finished reloading resource files\n";
2542	}	3393	}
2543		3394
2544	sub init {	3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
2545	reload_resources;	3398	reload_resources;
2546	}	3399	}
2547		3400
2548	sub cfg_load {	3401	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3403	or return;
2551		3404
2552	local $/;	3405	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2554		3407
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556		3409
2557	$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};
2558	$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};
…		…
2569	sub main {	3422	sub main {
2570	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2572	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#
2573	(async {	3426	(async {
2574	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2576	};	3430	};
2577		3431
2578	cfg_load;	3432	{
		3433	my $guard = freeze_mainloop;
		3434	reload_config;
2579	db_init;	3435	db_init;
2580	load_extensions;	3436	load_extensions;
2581		3437
2582	$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
2583	Event::loop;	3442	EV::loop;
2584	}	3443	}
2585		3444
2586	#############################################################################	3445	#############################################################################
2587	# initialisation and cleanup	3446	# initialisation and cleanup
2588		3447
2589	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2590	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
2599	},
2600	);	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
2601	}	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 };
2602	}	3537	}
2603		3538
2604	sub emergency_save() {	3539	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2606		3541
…		…
2612	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2614	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3553	$pl->save;
2618	}	3554	}
2619	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2620		3556
2621	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2627	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
2628		3564
2629	warn "begin emergency database checkpoint\n";	3565	warn "begin emergency database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2631	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";
2632	};	3572	};
2633		3573
2634	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2635	}	3575	}
2636		3576
…		…
2651	warn "reloading...";	3591	warn "reloading...";
2652		3592
2653	warn "entering sync_job";	3593	warn "entering sync_job";
2654		3594
2655	cf::sync_job {	3595	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2657	cf::emergency_save;	3597	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2659		3599
2660	warn "syncing database to disk";	3600	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3602
2663	# 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
2664
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669		3604
2670	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2671	for (;;) {	3606	for (;;) {
2672	BDB::flush;	3607	BDB::flush;
2673	IO::AIO::flush;	3608	IO::AIO::flush;
2674	Coro::cede;	3609	Coro::cede_notself;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2676	warn "iterate...";	3611	warn "iterate...";
2677	}	3612	}
2678		3613
2679	++$RELOAD;	3614	++$RELOAD;
…		…
2683	%EXT_CORO = ();	3618	%EXT_CORO = ();
2684		3619
2685	warn "removing commands";	3620	warn "removing commands";
2686	%COMMAND = ();	3621	%COMMAND = ();
2687		3622
2688	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2690		3626
2691	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2694		3630
…		…
2737	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2738	require cf;	3674	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3676
2741	warn "loading config and database again";	3677	warn "loading config and database again";
2742	cf::cfg_load;	3678	cf::reload_config;
2743		3679
2744	warn "loading extensions";	3680	warn "loading extensions";
2745	cf::load_extensions;	3681	cf::load_extensions;
2746		3682
2747	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
…		…
2754	warn "leaving sync_job";	3690	warn "leaving sync_job";
2755		3691
2756	1	3692	1
2757	} or do {	3693	} or do {
2758	warn $@;	3694	warn $@;
2759	warn "error while reloading, exiting.";	3695	cf::cleanup "error while reloading, exiting.";
2760	exit 1;
2761	};	3696	};
2762		3697
2763	warn "reloaded";	3698	warn "reloaded";
2764	};	3699	};
2765		3700
…		…
2767		3702
2768	sub reload_perl() {	3703	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3704	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3705	# coro crashes during coro_state_free->destroy here.
2771		3706
2772	$RELOAD_WATCHER ||= Event->timer (	3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2773	reentrant => 0,
2774	after => 0,
2775	data => WF_AUTOCANCEL,
2776	cb => sub {
2777	do_reload_perl;	3708	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3709	undef $RELOAD_WATCHER;
2779	},
2780	);	3710	};
2781	}	3711	}
2782		3712
2783	register_command "reload" => sub {	3713	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2785		3715
2786	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
		3718	async {
		3719	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3720	reload_perl;
		3721	};
2789	}	3722	}
2790	};	3723	};
2791		3724
2792	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2793		3726
…		…
2795		3728
2796	our @WAIT_FOR_TICK;	3729	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	3730	our @WAIT_FOR_TICK_BEGIN;
2798		3731
2799	sub wait_for_tick {	3732	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2802		3734
2803	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	3736	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	3737	$signal->wait;
2806	}	3738	}
2807		3739
2808	sub wait_for_tick_begin {	3740	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2811		3742
2812	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3744	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3745	$signal->wait;
2815	}	3746	}
2816		3747
2817	$TICK_WATCHER = Event->timer (	3748	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2825	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"
2826	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2827	return;	3752	return;
2828	}	3753	}
2829		3754
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2833		3756
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	3759	Coro::async_pool {
		3760	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3761	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3763	};
		3764	}
2844		3765
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3767	$sig->send;
2856	}	3768	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3769	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3770	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	3771	}
2863	);	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	}
2864		3784
2865	{	3785	{
2866	BDB::max_poll_time $TICK * 0.1;	3786	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	3787
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	3788	BDB::min_parallel 8;
2876		3789	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	3790	$Coro::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		3791
2892	unless ($DB_ENV) {	3792	unless ($DB_ENV) {
2893	$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);
2894		3798
2895	cf::sync_job {	3799	cf::sync_job {
2896	eval {	3800	eval {
2897	BDB::db_env_open	3801	BDB::db_env_open
2898	$DB_ENV,	3802	$DB_ENV,
…		…
2900	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
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3806	0666;
2903		3807
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3809	};
2909		3810
2910	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3812	};
2912	}	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	};
2913	}	3824	}
2914		3825
2915	{	3826	{
		3827	# configure IO::AIO
		3828
2916	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	3831	$Coro::AIO::WATCHER->priority (1);
2921	reentrant => 0,	3832	}
2922	data => WF_AUTOCANCEL,	3833
2923	fd => IO::AIO::poll_fileno,	3834	my $_log_backtrace;
2924	poll => 'r',	3835
2925	prio => 6,	3836	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	3837	my ($msg, @addr) = @_;
2927	);	3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
		3847	my @bt = fork_call {
		3848	@addr = map { sprintf "%x", $_ } @addr;
		3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3851	or die "addr2line: $!";
		3852
		3853	my @funcs;
		3854	my @res = <$fh>;
		3855	chomp for @res;
		3856	while (@res) {
		3857	my ($func, $line) = splice @res, 0, 2, ();
		3858	push @funcs, "[$func] $line";
		3859	}
		3860
		3861	@funcs
		3862	};
		3863
		3864	LOG llevInfo, "[ABT] $msg\n";
		3865	LOG llevInfo, "[ABT] $_\n" for @bt;
		3866	--$_log_backtrace;
		3867	};
		3868	} else {
		3869	LOG llevInfo, "[ABT] $msg\n";
		3870	LOG llevInfo, "[ABT] [suppressed]\n";
		3871	}
2928	}	3872	}
2929		3873
2930	# load additional modules	3874	# load additional modules
2931	use cf::pod;	3875	use cf::pod;
2932		3876

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