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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
71		98
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	101	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	107	our $DB_ENV;
82		108
83	our %CFG;	109	our %CFG;
84		110
85	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
87		114
88	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
91		118
92	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		121
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	125	our $TICK_START; # for load detecting purposes
98		126
99	binmode STDOUT;	127	binmode STDOUT;
100	binmode STDERR;	128	binmode STDERR;
101		129
102	# read virtual server time, if available	130	# read virtual server time, if available
…		…
155		183
156	The raw value load value from the last tick.	184	The raw value load value from the last tick.
157		185
158	=item %cf::CFG	186	=item %cf::CFG
159		187
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	189	from wherever your confdir points to.
162		190
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		192
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
169	=back	203	=back
170		204
171	=cut	205	=cut
172		206
173	BEGIN {	207	BEGIN {
…		…
177	$msg .= "\n"	211	$msg .= "\n"
178	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
179		213
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		215
182	utf8::encode $msg;
183	LOG llevError, $msg;	216	LOG llevError, $msg;
184	};	217	};
185	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
186		234
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	245	for my $pkg (qw(
198	cf::global cf::attachable	246	cf::global cf::attachable
199	cf::object cf::object::player	247	cf::object cf::object::player
200	cf::client cf::player	248	cf::client cf::player
201	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
202	cf::map cf::party cf::region	251	cf::party cf::region
203	)) {	252	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	254	}
207		255
208	$Event::DIED = sub {	256	$EV::DIED = sub {
209	warn "error in event callback: @_";	257	warn "error in event callback: @_";
210	};	258	};
		259
		260	#############################################################################
211		261
212	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
213		263
214	=over 4	264	=over 4
215		265
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	285	$d
236	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
237	}	287	}
238		288
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
242		290
243	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
244		292
245	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
246		294
247	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
248		303
249	=item cf::lock_wait $string	304	=item cf::lock_wait $string
250		305
251	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
252		307
…		…
255	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
258	returned.	313	returned.
259		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
260	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
262		320
263	=item $locked = cf::lock_active $string	321	=item $locked = cf::lock_active $string
264		322
265	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
266		324
267	=cut	325	=cut
268		326
269	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
270		329
271	sub lock_wait($) {	330	sub lock_wait($) {
272	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
273		337
274	# wait for lock, if any	338	# wait for lock, if any
275	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	341	Coro::schedule;
…		…
283		347
284	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
285	lock_wait $key;	349	lock_wait $key;
286		350
287	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
288		353
289	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
292	}	358	}
293	}	359	}
294		360
…		…
297		363
298	! ! $LOCK{$key}	364	! ! $LOCK{$key}
299	}	365	}
300		366
301	sub freeze_mainloop {	367	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
303		369
304	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
306	};	431	}
307	$TICK_WATCHER->stop;	432	};
308	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
309	}	446	}
310		447
311	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
312		449
313	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		455
319	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
320		457
321	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
322		459
323	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
326		464
327	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
330	fast or be very important.	468	fast or be very important.
…		…
333		471
334	sub sync_job(&) {	472	sub sync_job(&) {
335	my ($job) = @_;	473	my ($job) = @_;
336		474
337	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	476	my $time = EV::time;
339		477
340	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
342		480
343	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	482
345	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
346		484
347	my $busy = 1;	485	my $busy = 1;
348	my @res;	486	my @res;
349		487
350	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	490	@res = eval { $job->() };
352	warn $@ if $@;	491	warn $@ if $@;
353	undef $busy;	492	undef $busy;
354	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
355		494
356	while ($busy) {	495	while ($busy) {
357	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
358	}	500	}
		501	}
359		502
360	$time = Event::time - $time;	503	my $time = EV::time - $time;
361		504
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
366		506
367	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
368	} else {	508	} else {
369	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
370		510
…		…
390	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
391		531
392	$coro	532	$coro
393	}	533	}
394		534
395	sub write_runtime {	535	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		536
398	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
400		541
401	IO::AIO::aio_utime $runtime, undef, undef;	542	=cut
402		543
403	my $guard = cf::lock_acquire "write_runtime";	544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
404		546
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	547	# we seemingly have to make a local copy of the whole thing,
406	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
407		550
408	my $value = $cf::RUNTIME + 90 + 10;	551	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	552	reset_signals;
410	# 60 allows for the watchdog to kill the server.	553	&$cb
		554	}, @args;
411		555
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	556	wantarray ? @res : $res[-1]
413	and return;	557	}
414		558
415	# always fsync - this file is important	559	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		560
419	# touch it again to show we are up-to-date	561	=cut
420	aio_utime $fh, undef, undef;
421		562
422	close $fh	563	our %coin_alias = (
423	or return;	564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
424		579
425	aio_rename "$runtime~", $runtime	580	sub coin_from_name($) {
426	and return;	581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
427		585
428	warn "runtime file written.\n";	586	=item $value = cf::db_get $family => $key
429		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
430	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
431	}	711	}
432		712
433	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
434		714
435	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
455		735
456	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	738	Deliantra).
459		739
460	=over 4	740	=over 4
461		741
462	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
463		743
…		…
715	";	995	";
716	die if $@;	996	die if $@;
717	}	997	}
718		998
719	our $override;	999	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1001
722	sub override {	1002	sub override {
723	$override = 1;	1003	$override = 1;
724	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
725	}	1005	}
726		1006
727	sub do_invoke {	1007	sub do_invoke {
728	my $event = shift;	1008	my $event = shift;
729	my $callbacks = shift;	1009	my $callbacks = shift;
730		1010
731	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
732		1012
733	local $override;	1013	local $override;
734		1014
735	for (@$callbacks) {	1015	for (@$callbacks) {
736	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
745	}	1025	}
746		1026
747	0	1027	0
748	}	1028	}
749		1029
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1031
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1033
754	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
755		1035
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1039
760	=back	1040	=back
761		1041
762	=cut	1042	=cut
763		1043
764	#############################################################################	1044	#############################################################################
765	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
766		1088
767	sub reattach {	1089	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1091	my ($obj) = @_;
770		1092
		1093	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1095
773	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
774		1097
775	@$registry = ();	1098	@$registry = ();
776		1099
…		…
791	cf::attachable->attach (	1114	cf::attachable->attach (
792	prio => -1000000,	1115	prio => -1000000,
793	on_instantiate => sub {	1116	on_instantiate => sub {
794	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
795		1118
796	$data = from_json $data;	1119	$data = decode_json $data;
797		1120
798	for (@$data) {	1121	for (@$data) {
799	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
800		1123
801	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1140	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
819		1142
820	sync_job {	1143	sync_job {
821	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
824		1148
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1153	aio_close $fh;
830		1154
831	if (@$objs) {	1155	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1161	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
839	}	1163	}
840	} else {	1164	} else {
841	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
842	}	1166	}
…		…
847	}	1171	}
848	} else {	1172	} else {
849	aio_unlink $filename;	1173	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
851	}	1175	}
852	}	1176	};
853	}	1177	}
854		1178
855	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
857		1181
…		…
869	or return;	1193	or return;
870		1194
871	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
873	or return;	1197	or return;
		1198
874	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
875	}	1201	}
876		1202
		1203	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1205	$decname, length $data, scalar @{$av || []};
		1206
879	return ($data, $av);	1207	($data, $av)
880	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
881		1215
882	#############################################################################	1216	#############################################################################
883	# command handling &c	1217	# command handling &c
884		1218
885	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1233	}
900		1234
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1236
903	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
904		1242
905	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
906	called.	1244	called.
907		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
908	=cut	1257	=cut
909		1258
910	sub register_extcmd {	1259	sub register_extcmd {
911	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
912		1261
913	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
914	}	1269	}
915		1270
916	cf::player->attach (	1271	cf::player->attach (
917	on_command => sub {	1272	on_command => sub {
918	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1282	cf::override;
928	},	1283	},
929	on_extcmd => sub {	1284	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
931		1286
932	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1288
934	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
940	} else {	1304	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1306	}
943		1307
944	cf::override;	1308	cf::override;
…		…
971		1335
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1338
975	$ext{source} =	1339	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1341	. "#line 1 \"$path\"\n{\n"
978	. $source	1342	. $source
979	. "\n};\n1";	1343	. "\n};\n1";
980		1344
981	$todo{$base} = \%ext;	1345	$todo{$base} = \%ext;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1361	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1362	: "$v->{base}: extension inactive.\n";
999		1363
1000	if (exists $v->{meta}{mandatory}) {	1364	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1365	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1366	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1367	}
1005		1368
1006	warn $msg;	1369	warn $msg;
1007	}	1370	}
1008		1371
…		…
1018	};	1381	};
1019	}	1382	}
1020		1383
1021	#############################################################################	1384	#############################################################################
1022		1385
		1386	=back
		1387
1023	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
1024		1389
1025	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
1026		1391
1027	=cut	1392	=cut
…		…
1031	use Coro::AIO;	1396	use Coro::AIO;
1032		1397
1033	=head3 cf::player	1398	=head3 cf::player
1034		1399
1035	=over 4	1400	=over 4
		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
1036		1415
1037	=item cf::player::find $login	1416	=item cf::player::find $login
1038		1417
1039	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
1040		1419
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1459
1081	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1084	}	1469	}
1085	}	1470	}
1086	}	1471	}
1087		1472
…		…
1096	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1097		1482
1098	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1100		1485
		1486	cf::get_slot 0.01;
		1487
1101	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1102	Coro::cede;	1489	cf::cede_to_tick;
1103	}	1490	}
1104		1491
1105	sub new($) {	1492	sub new($) {
1106	my ($login) = @_;	1493	my ($login) = @_;
1107		1494
…		…
1113	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1114		1501
1115	$self	1502	$self
1116	}	1503	}
1117		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1118	=item $pl->quit_character	1515	=item $pl->quit_character
1119		1516
1120	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1122		1519
…		…
1130	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1132		1529
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1137		1536
1138	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1574	or return [];
1176		1575
1177	my @logins;	1576	my @logins;
1178		1577
1179	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1183		1588
1184	utf8::decode $login;	1589	utf8::decode $login;
1185	push @logins, $login;	1590	push @logins, $login;
1186	}	1591	}
1187		1592
…		…
1214	}	1619	}
1215		1620
1216	\@paths	1621	\@paths
1217	}	1622	}
1218		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1219	=item $player->ext_reply ($msgid, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1220		1720
1221	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1222		1722
1223	=cut	1723	=cut
1224		1724
1225	sub ext_reply($$%) {	1725	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1227		1727
1228	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1729	}
1232		1730
1233	=item $player->ext_event ($type, %msg)	1731	=item $player->ext_msg ($type, @msg)
1234		1732
1235	Sends an ext event to the client.	1733	Sends an ext event to the client.
1236		1734
1237	=cut	1735	=cut
1238		1736
1239	sub ext_event($$%) {	1737	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1738	my ($self, $type, @msg) = @_;
1241		1739
1242	$self->ns->ext_event ($type, %msg);	1740	$self->ns->ext_msg ($type, @msg);
1243	}	1741	}
1244		1742
1245	=head3 cf::region	1743	=head3 cf::region
1246		1744
1247	=over 4	1745	=over 4
…		…
1250		1748
1251	package cf::region;	1749	package cf::region;
1252		1750
1253	=item cf::region::find_by_path $path	1751	=item cf::region::find_by_path $path
1254		1752
1255	Tries to decuce the probable region for a map knowing only its path.	1753	Tries to decuce the likely region for a map knowing only its path.
1256		1754
1257	=cut	1755	=cut
1258		1756
1259	sub find_by_path($) {	1757	sub find_by_path($) {
1260	my ($path) = @_;	1758	my ($path) = @_;
1261		1759
1262	my ($match, $specificity);	1760	my ($match, $specificity);
1263		1761
1264	for my $region (list) {	1762	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1763	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1764	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1765	if $region->specificity > $specificity;
1268	}	1766	}
1269	}	1767	}
1270		1768
…		…
1291	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1293		1791
1294	sub generate_random_map {	1792	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1296	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1798	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1390	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1391	return $self;	1892	return $self;
1392	}	1893	}
1393	}	1894	}
1394		1895
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1897	()
1397	}	1898	}
1398		1899
1399	sub init {	1900	sub init {
1400	my ($self) = @_;	1901	my ($self) = @_;
…		…
1422		1923
1423	# the temporary/swap location	1924	# the temporary/swap location
1424	sub save_path {	1925	sub save_path {
1425	my ($self) = @_;	1926	my ($self) = @_;
1426		1927
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1929	"$TMPDIR/$path.map"
1429	}	1930	}
1430		1931
1431	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1432	sub uniq_path {	1933	sub uniq_path {
1433	my ($self) = @_;	1934	my ($self) = @_;
1434		1935
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1937	"$UNIQUEDIR/$path"
1437	}	1938	}
1438		1939
1439	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1440	# all maps in C++...	1941	# all maps in C++...
…		…
1463		1964
1464	sub load_header_from($) {	1965	sub load_header_from($) {
1465	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1466		1967
1467	utf8::encode $path;	1968	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1473		1977
1474	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1475		1979
1476	1	1980	1
1477	}	1981	}
…		…
1531	sub find {	2035	sub find {
1532	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1533		2037
1534	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1535		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1537		2042
1538	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1539	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1540	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1541	or return;	2048	or return;
1542		2049
1543	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1544		2051
…		…
1546	or return;	2053	or return;
1547		2054
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1551	$map->reset;	2060	$map->reset;
1552	undef $guard;
1553	return find $path;	2061	return find $path;
1554	}	2062	}
1555		2063
1556	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1557	}	2065	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1567		2075
1568	my $path = $self->{path};	2076	my $path = $self->{path};
1569		2077
1570	{	2078	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1572		2080
		2081	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2083
1575	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1576		2085
1577	$self->alloc;	2086	$self->alloc;
1578		2087
1579	$self->pre_load;	2088	$self->pre_load;
1580	Coro::cede;	2089	cf::cede_to_tick;
1581		2090
		2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2093	$self->_load_objects ($f)
1583	or return;	2094	or return;
1584		2095
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1586	if delete $self->{load_original};	2097	if delete $self->{load_original};
1587		2098
1588	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2100	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2103	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1593	}	2107	}
1594	}	2108	}
1595		2109
1596	Coro::cede;	2110	$f->resolve_delayed_derefs;
		2111
		2112	cf::cede_to_tick;
1597	# now do the right thing for maps	2113	# now do the right thing for maps
1598	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2116	unless $self->difficulty;
1601	Coro::cede;	2117	cf::cede_to_tick;
1602		2118
1603	unless ($self->{deny_activate}) {	2119	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2120	$self->decay_objects;
1605	$self->fix_auto_apply;	2121	$self->fix_auto_apply;
1606	$self->update_buttons;	2122	$self->update_buttons;
1607	Coro::cede;	2123	cf::cede_to_tick;
1608	$self->set_darkness_map;	2124	$self->set_darkness_map;
1609	Coro::cede;	2125	cf::cede_to_tick;
1610	$self->activate;	2126	$self->activate;
1611	}	2127	}
1612		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2132	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2133	}
1615		2134
1616	$self->post_load;	2135	$self->post_load;
1617	}	2136	}
1618		2137
…		…
1627		2146
1628	$self	2147	$self
1629	}	2148	}
1630		2149
1631	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2151	sub load_neighbours {
1633	my ($map) = @_;	2152	my ($map) = @_;
1634		2153
1635	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1636		2155
1637	for (0 .. 3) {	2156	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1639	or next;	2158	or next;
1640	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1641	or next;	2160	or next;
1642	$neigh->load;	2161	$neigh->load;
1643		2162
		2163	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2166	}
1647		2167
1648	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1650	or next;	2171	or next;
1651	$neigh->load;	2172	$neigh->load;
1652	}	2173	}
1653	}	2174	}
1654		2175
…		…
1659	}	2180	}
1660		2181
1661	sub do_load_sync {	2182	sub do_load_sync {
1662	my ($map) = @_;	2183	my ($map) = @_;
1663		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1664	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1665	}	2189	}
1666		2190
1667	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1669		2193
1670	sub find_async {	2194	sub find_async {
1671	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1672		2196
1673	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1674		2198
1675	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2201	}
1678		2202
1679	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1680	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1681	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2210	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2211	$map->load if $v;
		2212	}
1686		2213
1687	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1688	}	2215	}
1689	}	2216	}
1690	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1691	};	2218	};
1692	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2222	}
1696		2223
1697	sub save {	2224	sub save {
1698	my ($self) = @_;	2225	my ($self) = @_;
1699		2226
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2228
1702	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1703		2230
1704	return unless $self->dirty;	2231	return unless $self->dirty;
1705		2232
…		…
1711	return if $self->{deny_save};	2238	return if $self->{deny_save};
1712		2239
1713	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1714		2241
1715	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1717	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1718		2248
1719	if ($uniq) {	2249	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2252	} else {
…		…
1728	my ($self) = @_;	2258	my ($self) = @_;
1729		2259
1730	# save first because save cedes	2260	# save first because save cedes
1731	$self->save;	2261	$self->save;
1732		2262
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2264
1735	return if $self->players;	2265	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1737	return if $self->{deny_save};	2267	return if $self->{deny_save};
1738		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2273	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2274	}
1742		2275
1743	sub reset_at {	2276	sub reset_at {
1744	my ($self) = @_;	2277	my ($self) = @_;
1745		2278
…		…
1777	if $uniq;	2310	if $uniq;
1778	}	2311	}
1779		2312
1780	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1781		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2317	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2318
1786	$self->unlink_save;	2319	$self->unlink_save;
1787	$self->destroy;	2320	$self->destroy;
1788	}	2321	}
1789		2322
1790	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1791		2324
1792	sub nuke {	2325	sub nuke {
1793	my ($self) = @_;	2326	my ($self) = @_;
1794		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1795	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1796		2332
1797	$self->unlink_save;	2333	$self->unlink_save;
1798		2334
1799	bless $self, "cf::map";	2335	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2340
1805	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1806		2343
1807	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
1808	}	2345	}
1809		2346
1810	=item $maps = cf::map::tmp_maps	2347	=item $maps = cf::map::tmp_maps
…		…
1852		2389
1853	sub unique_maps() {	2390	sub unique_maps() {
1854	[	2391	[
1855	map {	2392	map {
1856	utf8::decode $_;	2393	utf8::decode $_;
1857	/\.map$/	2394	s/\.map$//; # TODO future compatibility hack
		2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2396	? ()
1858	? normalise $_	2397	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2398	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2399	]
1862	}	2400	}
1863		2401
1864	package cf;
1865
1866	=back	2402	=back
1867		2403
1868	=head3 cf::object	2404	=head3 cf::object
1869		2405
1870	=cut	2406	=cut
…		…
1873		2409
1874	=over 4	2410	=over 4
1875		2411
1876	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1877		2413
1878	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1879		2416
1880	=cut	2417	=cut
1881		2418
1882	sub inv_recursive_;	2419	sub inv_recursive_;
1883	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1886		2423
1887	sub inv_recursive {	2424	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1889	}	2426	}
1890		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1891	package cf;	2456	package cf;
1892		2457
1893	=back	2458	=back
1894		2459
1895	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1904		2469
1905	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1906		2485
1907	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2487	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1912		2491
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2493
1915	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1917	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1920	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1921	}	2519	}
1922		2520
1923	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1924		2522
1925	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
2007		2605
2008	$map->load;	2606	$map->load;
2009	$map->load_diag;	2607	$map->load_neighbours;
2010		2608
2011	return unless $self->contr->active;	2609	return unless $self->contr->active;
2012	$self->activate_recursive;	2610	$self->activate_recursive;
2013		2611
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
2016	}	2614	}
2017		2615
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2617
2020	Moves the player to the given map-path and coordinates by first freezing	2618	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2619	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2620	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2621	the new (success) or old (failed) map position. In either case, $done will
		2622	be called at the end of this process.
		2623
		2624	Note that $check will be called with a potentially non-loaded map, so if
		2625	it needs a loaded map it has to call C<< ->load >>.
2024		2626
2025	=cut	2627	=cut
2026		2628
2027	our $GOTOGEN;	2629	our $GOTOGEN;
2028		2630
2029	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2633
2032	# do generation counting so two concurrent goto's will be executed in-order	2634	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2636
2035	$self->enter_link;	2637	$self->enter_link;
2036		2638
2037	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
2038	my $map = eval {	2661	my $map = eval {
2039	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
2040		2663
2041	if ($map) {	2664	if ($map) {
2042	$map = $map->customise_for ($self);	2665	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2666	$map = $check->($map) if $check && $map;
2044	} else {	2667	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2669	}
2047		2670
2048	$map	2671	$map
2049	};	2672	};
2050		2673
…		…
2055		2678
2056	if ($gen == $self->{_goto_generation}) {	2679	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2680	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
2059	}	2682	}
		2683
		2684	$done->() if $done;
2060	})->prio (1);	2685	})->prio (1);
2061	}	2686	}
2062		2687
2063	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
2064		2689
…		…
2084	}	2709	}
2085		2710
2086	sub prepare_random_map {	2711	sub prepare_random_map {
2087	my ($exit) = @_;	2712	my ($exit) = @_;
2088		2713
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2716	# that depends on the exit object
2094		2717
2095	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2720	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
2102	}	2727	}
2103		2728
2104	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
2105		2730
2106	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
2109		2734
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2737	undef $fh;
2113	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
2114		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
2117	}	2746	}
2118	}	2747	}
2119		2748
2120	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
2122		2751
2123	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
2124		2753
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2754	$self->enter_link;
2137		2755
2138	(async {	2756	(async {
2139	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
2140	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
2141	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
2142		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
2143	1;	2780	1
2144	}) {	2781	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
2146	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2169		2806
2170	utf8::encode $text;	2807	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2809	}
2173		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
2174	=item $client->ext_event ($type, %msg)	2941	=item $client->ext_msg ($type, @msg)
2175		2942
2176	Sends an exti event to the client.	2943	Sends an ext event to the client.
2177		2944
2178	=cut	2945	=cut
2179		2946
2180	sub cf::client::ext_event($$%) {	2947	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2948	my ($self, $type, @msg) = @_;
2182		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2953	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
2185	}	2974	}
2186		2975
2187	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
2188		2977
2189	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2981
2193	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2983	become reliable at some point in the future.
2195		2984
2196	=cut	2985	=cut
2197		2986
2198	sub cf::client::query {	2987	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2996	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2998
2210	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
2212	}	3003	}
2213		3004
2214	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
2215	on_reply => sub {	3011	on_reply => sub {
2216	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
2217		3013
2218	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
2219	# get handled first	3015	# get handled first
…		…
2231	} else {	3027	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3029	}
2234	}	3030	}
2235	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
2236	);	3058	);
2237		3059
2238	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2239		3061
2240	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2283		3105
2284	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2285		3107
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
2287		3113
2288	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2289		3115
2290	=pod	3116	=pod
2291		3117
2292	The following functions and methods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2293		3119
2294	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
2295	cf::object::player player	3124	cf::object::player
2296	cf::player peaceful	3125	player
2297	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2298		3132
2299	=cut	3133	=cut
2300		3134
2301	for (	3135	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2303	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2306	) {	3142	) {
2307	no strict 'refs';	3143	no strict 'refs';
…		…
2378	=back	3214	=back
2379		3215
2380	=cut	3216	=cut
2381		3217
2382	#############################################################################	3218	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3219	# the server's init and main functions
2556		3220
2557	sub load_facedata($) {	3221	sub load_facedata($) {
2558	my ($path) = @_;	3222	my ($path) = @_;
		3223
		3224	# HACK to clear player env face cache, we need some signal framework
		3225	# for this (global event?)
		3226	%ext::player_env::MUSIC_FACE_CACHE = ();
		3227
		3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3229
2560	warn "loading facedata from $path\n";	3230	warn "loading facedata from $path\n";
2561		3231
2562	my $facedata;	3232	my $facedata;
2563	0 < aio_load $path, $facedata	3233	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3236	$facedata = Coro::Storable::thaw $facedata;
2567		3237
2568	$facedata->{version} == 2	3238	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3240
		3241	# patch in the exptable
		3242	$facedata->{resource}{"res/exp_table"} = {
		3243	type => FT_RSRC,
		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3245	};
		3246	cf::cede_to_tick;
		3247
2571	{	3248	{
2572	my $faces = $facedata->{faceinfo};	3249	my $faces = $facedata->{faceinfo};
2573		3250
2574	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3253
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3254	cf::face::set_visibility $idx, $info->{visibility};
		3255	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3258
		3259	cf::cede_to_tick;
2580	}	3260	}
2581		3261
2582	while (my ($face, $info) = each %$faces) {	3262	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3263	next unless $info->{smooth};
		3264
2584	my $idx = cf::face::find $face	3265	my $idx = cf::face::find $face
2585	or next;	3266	or next;
		3267
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3271	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3273	}
2591	Coro::cede;	3274
		3275	cf::cede_to_tick;
2592	}	3276	}
2593	}	3277	}
2594		3278
2595	{	3279	{
2596	my $anims = $facedata->{animinfo};	3280	my $anims = $facedata->{animinfo};
2597		3281
2598	while (my ($anim, $info) = each %$anims) {	3282	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3284	cf::cede_to_tick;
2601	}	3285	}
2602		3286
2603	cf::anim::invalidate_all; # d'oh	3287	cf::anim::invalidate_all; # d'oh
2604	}	3288	}
2605		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
2606	1	3325	1
2607	}	3326	}
2608		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
		3356	sub load_resource_file($) {
		3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
2609	sub reload_regions {	3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
2610	load_resource_file "$MAPDIR/regions"	3371	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3372	or die "unable to load regions file\n";
		3373
		3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
2612	}	3378	}
2613		3379
2614	sub reload_facedata {	3380	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3381	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3382	or die "unable to load facedata\n";
…		…
2627	}	3393	}
2628		3394
2629	sub reload_resources {	3395	sub reload_resources {
2630	warn "reloading resource files...\n";	3396	warn "reloading resource files...\n";
2631		3397
		3398	reload_facedata;
		3399	reload_archetypes;
2632	reload_regions;	3400	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3401	reload_treasures;
2637		3402
2638	warn "finished reloading resource files\n";	3403	warn "finished reloading resource files\n";
2639	}	3404	}
2640		3405
2641	sub init {	3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
2642	reload_resources;	3411	reload_resources;
2643	}	3412	}
2644		3413
2645	sub cfg_load {	3414	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3416	or return;
2648		3417
2649	local $/;	3418	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2651		3420
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3422
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2666	sub main {	3435	sub main {
2667	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3439	(async {
2671	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2673	};	3443	};
2674		3444
2675	cfg_load;	3445	{
		3446	my $guard = freeze_mainloop;
		3447	reload_config;
2676	db_init;	3448	db_init;
2677	load_extensions;	3449	load_extensions;
2678		3450
2679	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2680	Event::loop;	3454	EV::loop;
2681	}	3455	}
2682		3456
2683	#############################################################################	3457	#############################################################################
2684	# initialisation and cleanup	3458	# initialisation and cleanup
2685		3459
2686	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2687	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2696	},
2697	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2698	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2699	}	3549	}
2700		3550
2701	sub emergency_save() {	3551	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2703		3553
…		…
2709	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3565	$pl->save;
2715	}	3566	}
2716	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2717		3568
2718	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2724	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
2725		3576
2726	warn "begin emergency database checkpoint\n";	3577	warn "begin emergency database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3578	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2729	};	3584	};
2730		3585
2731	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2732	}	3587	}
2733		3588
…		…
2735	my ($make_core) = @_;	3590	my ($make_core) = @_;
2736		3591
2737	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	3593	if $make_core;
2739	}	3594	}
		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
2740		3623
2741	sub do_reload_perl() {	3624	sub do_reload_perl() {
2742	# can/must only be called in main	3625	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2744	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2745	return;	3628	return;
2746	}	3629	}
2747		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2748	warn "reloading...";	3634	warn "reloading...";
2749		3635
2750	warn "entering sync_job";	3636	warn "entering sync_job";
2751		3637
2752	cf::sync_job {	3638	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3640	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3641	cf::write_runtime_sync; # external watchdog should not bark
2756		3642
2757	warn "syncing database to disk";	3643	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3644	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3645
2760	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2761		3647
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2773	warn "iterate...";	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();
2781
2782	warn "removing commands";
2783	%COMMAND = ();
2784
2785	warn "removing ext commands";
2786	%EXTCMD = ();
2787
2788	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";
2791
2792	if (my $cb = $pkg->can ("unload")) {
2793	eval {
2794	$cb->($pkg);
2795	1
2796	} or warn "$pkg unloaded, but with errors: $@";
2797	}	3651	}
2798		3652
2799	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2800	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2801	}	3655	%EXT_CORO = ();
2802		3656
2803	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2804	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2807	warn "... unloading $k";	3666	warn "... unloading $pkg";
2808	delete $INC{$k};
2809		3667
2810	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;
2812
2813	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2814	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2815	}	3677	}
2816		3678
2817	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2818	}	3694	}
2819		3695
2820	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		3699
2824	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3702	delete $INC{"cf/pod.pm"};
2827		3703
2828	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2829	# and global variables created in xs	3705	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2831		3707
2832	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2833		3709
2834	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2835	require cf;	3711	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3713
2838	warn "loading config and database again";	3714	warn "loading config and database again";
2839	cf::cfg_load;	3715	cf::reload_config;
2840		3716
2841	warn "loading extensions";	3717	warn "loading extensions";
2842	cf::load_extensions;	3718	cf::load_extensions;
2843		3719
2844	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	3721	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2847	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	3724	warn "reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	3725	reattach $_ for values %PLAYER;
2850		3726
2851	warn "leaving sync_job";	3727	warn "leaving sync_job";
2852		3728
2853	1	3729	1
2854	} or do {	3730	} or do {
2855	warn $@;	3731	warn $@;
2856	warn "error while reloading, exiting.";	3732	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3733	};
2859		3734
2860	warn "reloaded";	3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
2861	};	3738	};
2862		3739
2863	our $RELOAD_WATCHER; # used only during reload	3740	our $RELOAD_WATCHER; # used only during reload
2864		3741
2865	sub reload_perl() {	3742	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3743	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3744	# coro crashes during coro_state_free->destroy here.
2868		3745
2869	$RELOAD_WATCHER ||= Event->timer (	3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;	3747	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3748	undef $RELOAD_WATCHER;
2876	},
2877	);	3749	};
2878	}	3750	}
2879		3751
2880	register_command "reload" => sub {	3752	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2882		3754
2883	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
		3757	async {
		3758	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3759	reload_perl;
		3760	};
2886	}	3761	}
2887	};	3762	};
2888		3763
2889	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2890		3765
…		…
2892		3767
2893	our @WAIT_FOR_TICK;	3768	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3769	our @WAIT_FOR_TICK_BEGIN;
2895		3770
2896	sub wait_for_tick {	3771	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2899		3773
2900	my $signal = new Coro::Signal;	3774	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3775	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3776	$signal->wait;
2903	}	3777	}
2904		3778
2905	sub wait_for_tick_begin {	3779	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2908		3781
2909	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3783	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3784	$signal->wait;
2912	}	3785	}
2913		3786
2914	my $min = 1e6;#d#	3787	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2926	return;	3791	return;
2927	}	3792	}
2928		3793
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2932		3795
2933	0 && sync_job {#d#	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3798	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3799	$Coro::current->{desc} = "runtime saver";
2937	or die;	3800	write_runtime_sync
2938		3801	or warn "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3802	};
		3803	}
2955		3804
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3806	$sig->send;
2972	}	3807	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3808	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3809	$sig->send;
2975	}	3810	}
2976		3811
2977	$NOW = Event::time;	3812	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3814
2988	_post_tick;	3815	if (0) {
2989		3816	if ($NEXT_TICK) {
2990		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
		3820	}
2991	},	3821	}
2992	);	3822	}
2993		3823
2994	{	3824	{
2995	BDB::max_poll_time $TICK * 0.1;	3825	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3826
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3827	BDB::min_parallel 8;
3005		3828	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3829	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3830
3021	unless ($DB_ENV) {	3831	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3838
3024	cf::sync_job {	3839	cf::sync_job {
3025	eval {	3840	eval {
3026	BDB::db_env_open	3841	BDB::db_env_open
3027	$DB_ENV,	3842	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3846	0666;
3032		3847
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3849	};
3038		3850
3039	cf::cleanup "db_env_open(db): $@" if $@;	3851	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3852	};
3041	}	3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
3042	}	3864	}
3043		3865
3044	{	3866	{
		3867	# configure IO::AIO
		3868
3045	IO::AIO::min_parallel 8;	3869	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3870	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3871	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3872	}
3058		3873
3059	my $_log_backtrace;	3874	my $_log_backtrace;
3060		3875
3061	sub _log_backtrace {	3876	sub _log_backtrace {
…		…
3065		3880
3066	# limit the # of concurrent backtraces	3881	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3882	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3883	++$_log_backtrace;
3069	async {	3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
3070	my @bt = fork_call {	3887	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3888	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3891	or die "addr2line: $!";

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