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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
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	$SIG{__DIE__} = sub { }; #d#?
186		234
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	251	)) {
204	no strict 'refs';	252	no strict 'refs';
205	@{"safe::$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
…		…
665	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
666	}	946	}
667		947
668	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
669	} else {	949	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	951	}
672		952
673	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
674	}	954	}
675		955
…		…
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 ($obj) = @_;
770		1092
…		…
791	cf::attachable->attach (	1113	cf::attachable->attach (
792	prio => -1000000,	1114	prio => -1000000,
793	on_instantiate => sub {	1115	on_instantiate => sub {
794	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
795		1117
796	$data = from_json $data;	1118	$data = decode_json $data;
797		1119
798	for (@$data) {	1120	for (@$data) {
799	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
800		1122
801	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1139	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
819		1141
820	sync_job {	1142	sync_job {
821	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
824		1147
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1151	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1152	aio_close $fh;
830		1153
831	if (@$objs) {	1154	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1160	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
839	}	1162	}
840	} else {	1163	} else {
841	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
842	}	1165	}
…		…
847	}	1170	}
848	} else {	1171	} else {
849	aio_unlink $filename;	1172	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
851	}	1174	}
852	}	1175	};
853	}	1176	}
854		1177
855	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
857		1180
…		…
869	or return;	1192	or return;
870		1193
871	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
873	or return;	1196	or return;
		1197
874	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
875	}	1200	}
876		1201
		1202	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1204	$decname, length $data, scalar @{$av || []};
		1205
879	return ($data, $av);	1206	($data, $av)
880	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
881		1214
882	#############################################################################	1215	#############################################################################
883	# command handling &c	1216	# command handling &c
884		1217
885	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1232	}
900		1233
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1235
903	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
904		1241
905	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
906	called.	1243	called.
907		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
908	=cut	1256	=cut
909		1257
910	sub register_extcmd {	1258	sub register_extcmd {
911	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
912		1260
913	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
914	}	1268	}
915		1269
916	cf::player->attach (	1270	cf::player->attach (
917	on_command => sub {	1271	on_command => sub {
918	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1281	cf::override;
928	},	1282	},
929	on_extcmd => sub {	1283	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
931		1285
932	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1287
934	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
940	} else {	1303	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1305	}
943		1306
944	cf::override;	1307	cf::override;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1360	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1361	: "$v->{base}: extension inactive.\n";
999		1362
1000	if (exists $v->{meta}{mandatory}) {	1363	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1364	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1365	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1366	}
1005		1367
1006	warn $msg;	1368	warn $msg;
1007	}	1369	}
1008		1370
…		…
1018	};	1380	};
1019	}	1381	}
1020		1382
1021	#############################################################################	1383	#############################################################################
1022		1384
		1385	=back
		1386
1023	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
1024		1388
1025	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
1026		1390
1027	=cut	1391	=cut
…		…
1031	use Coro::AIO;	1395	use Coro::AIO;
1032		1396
1033	=head3 cf::player	1397	=head3 cf::player
1034		1398
1035	=over 4	1399	=over 4
		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
1036		1414
1037	=item cf::player::find $login	1415	=item cf::player::find $login
1038		1416
1039	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
1040		1418
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1457	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1458
1081	my $pl = load_pl path $login	1459	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
1084	}	1468	}
1085	}	1469	}
1086	}	1470	}
1087		1471
…		…
1096	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1097		1481
1098	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1100		1484
		1485	cf::get_slot 0.01;
		1486
1101	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1102	Coro::cede;	1488	cf::cede_to_tick;
1103	}	1489	}
1104		1490
1105	sub new($) {	1491	sub new($) {
1106	my ($login) = @_;	1492	my ($login) = @_;
1107		1493
…		…
1113	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1114		1500
1115	$self	1501	$self
1116	}	1502	}
1117		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1118	=item $pl->quit_character	1514	=item $pl->quit_character
1119		1515
1120	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1122		1518
…		…
1130	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1132		1528
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1137		1535
1138	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1573	or return [];
1176		1574
1177	my @logins;	1575	my @logins;
1178		1576
1179	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1183		1587
1184	utf8::decode $login;	1588	utf8::decode $login;
1185	push @logins, $login;	1589	push @logins, $login;
1186	}	1590	}
1187		1591
…		…
1214	}	1618	}
1215		1619
1216	\@paths	1620	\@paths
1217	}	1621	}
1218		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1219	=item $player->ext_reply ($msgid, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1220		1717
1221	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1222		1719
1223	=cut	1720	=cut
1224		1721
1225	sub ext_reply($$%) {	1722	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1227		1724
1228	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1726	}
1232		1727
1233	=item $player->ext_event ($type, %msg)	1728	=item $player->ext_msg ($type, @msg)
1234		1729
1235	Sends an ext event to the client.	1730	Sends an ext event to the client.
1236		1731
1237	=cut	1732	=cut
1238		1733
1239	sub ext_event($$%) {	1734	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1735	my ($self, $type, @msg) = @_;
1241		1736
1242	$self->ns->ext_event ($type, %msg);	1737	$self->ns->ext_msg ($type, @msg);
1243	}	1738	}
1244		1739
1245	=head3 cf::region	1740	=head3 cf::region
1246		1741
1247	=over 4	1742	=over 4
…		…
1250		1745
1251	package cf::region;	1746	package cf::region;
1252		1747
1253	=item cf::region::find_by_path $path	1748	=item cf::region::find_by_path $path
1254		1749
1255	Tries to decuce the probable region for a map knowing only its path.	1750	Tries to decuce the likely region for a map knowing only its path.
1256		1751
1257	=cut	1752	=cut
1258		1753
1259	sub find_by_path($) {	1754	sub find_by_path($) {
1260	my ($path) = @_;	1755	my ($path) = @_;
1261		1756
1262	my ($match, $specificity);	1757	my ($match, $specificity);
1263		1758
1264	for my $region (list) {	1759	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1760	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1761	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1762	if $region->specificity > $specificity;
1268	}	1763	}
1269	}	1764	}
1270		1765
…		…
1291	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1293		1788
1294	sub generate_random_map {	1789	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1296	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1795	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1390	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1391	return $self;	1889	return $self;
1392	}	1890	}
1393	}	1891	}
1394		1892
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1894	()
1397	}	1895	}
1398		1896
1399	sub init {	1897	sub init {
1400	my ($self) = @_;	1898	my ($self) = @_;
…		…
1422		1920
1423	# the temporary/swap location	1921	# the temporary/swap location
1424	sub save_path {	1922	sub save_path {
1425	my ($self) = @_;	1923	my ($self) = @_;
1426		1924
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1926	"$TMPDIR/$path.map"
1429	}	1927	}
1430		1928
1431	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1432	sub uniq_path {	1930	sub uniq_path {
1433	my ($self) = @_;	1931	my ($self) = @_;
1434		1932
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1934	"$UNIQUEDIR/$path"
1437	}	1935	}
1438		1936
1439	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1440	# all maps in C++...	1938	# all maps in C++...
…		…
1463		1961
1464	sub load_header_from($) {	1962	sub load_header_from($) {
1465	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1466		1964
1467	utf8::encode $path;	1965	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1967	or return;
		1968
		1969	$self->_load_header ($f)
		1970	or return;
		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
1473		1974
1474	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1475		1976
1476	1	1977	1
1477	}	1978	}
…		…
1531	sub find {	2032	sub find {
1532	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1533		2034
1534	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1535		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1537		2039
1538	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1539	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1540	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1541	or return;	2045	or return;
1542		2046
1543	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1544		2048
…		…
1546	or return;	2050	or return;
1547		2051
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1551	$map->reset;	2057	$map->reset;
1552	undef $guard;
1553	return find $path;	2058	return find $path;
1554	}	2059	}
1555		2060
1556	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1557	}	2062	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1567		2072
1568	my $path = $self->{path};	2073	my $path = $self->{path};
1569		2074
1570	{	2075	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1572		2077
		2078	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2080
1575	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1576		2082
1577	$self->alloc;	2083	$self->alloc;
1578		2084
1579	$self->pre_load;	2085	$self->pre_load;
1580	Coro::cede;	2086	cf::cede_to_tick;
1581		2087
		2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2090	$self->_load_objects ($f)
1583	or return;	2091	or return;
1584		2092
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	2094	if delete $self->{load_original};
1587		2095
1588	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2097	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2100	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1593	}	2104	}
1594	}	2105	}
1595		2106
1596	Coro::cede;	2107	$f->resolve_delayed_derefs;
		2108
		2109	cf::cede_to_tick;
1597	# now do the right thing for maps	2110	# now do the right thing for maps
1598	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2113	unless $self->difficulty;
1601	Coro::cede;	2114	cf::cede_to_tick;
1602		2115
1603	unless ($self->{deny_activate}) {	2116	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2117	$self->decay_objects;
1605	$self->fix_auto_apply;	2118	$self->fix_auto_apply;
1606	$self->update_buttons;	2119	$self->update_buttons;
1607	Coro::cede;	2120	cf::cede_to_tick;
1608	$self->set_darkness_map;	2121	$self->set_darkness_map;
1609	Coro::cede;	2122	cf::cede_to_tick;
1610	$self->activate;	2123	$self->activate;
1611	}	2124	}
1612		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2130	}
1615		2131
1616	$self->post_load;	2132	$self->post_load;
1617	}	2133	}
1618		2134
…		…
1627		2143
1628	$self	2144	$self
1629	}	2145	}
1630		2146
1631	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2148	sub load_neighbours {
1633	my ($map) = @_;	2149	my ($map) = @_;
1634		2150
1635	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1636		2152
1637	for (0 .. 3) {	2153	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1639	or next;	2155	or next;
1640	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1641	or next;	2157	or next;
1642	$neigh->load;	2158	$neigh->load;
1643		2159
		2160	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2163	}
1647		2164
1648	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1650	or next;	2168	or next;
1651	$neigh->load;	2169	$neigh->load;
1652	}	2170	}
1653	}	2171	}
1654		2172
…		…
1659	}	2177	}
1660		2178
1661	sub do_load_sync {	2179	sub do_load_sync {
1662	my ($map) = @_;	2180	my ($map) = @_;
1663		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1664	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1665	}	2186	}
1666		2187
1667	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1669		2190
1670	sub find_async {	2191	sub find_async {
1671	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1672		2193
1673	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1674		2195
1675	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2198	}
1678		2199
1679	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1680	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1681	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2207	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2208	$map->load if $v;
		2209	}
1686		2210
1687	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1688	}	2212	}
1689	}	2213	}
1690	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1691	};	2215	};
1692	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2219	}
1696		2220
1697	sub save {	2221	sub save {
1698	my ($self) = @_;	2222	my ($self) = @_;
1699		2223
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2225
1702	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1703		2227
1704	return unless $self->dirty;	2228	return unless $self->dirty;
1705		2229
…		…
1711	return if $self->{deny_save};	2235	return if $self->{deny_save};
1712		2236
1713	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1714		2238
1715	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1717	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1718		2245
1719	if ($uniq) {	2246	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2249	} else {
…		…
1728	my ($self) = @_;	2255	my ($self) = @_;
1729		2256
1730	# save first because save cedes	2257	# save first because save cedes
1731	$self->save;	2258	$self->save;
1732		2259
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2261
1735	return if $self->players;	2262	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1737	return if $self->{deny_save};	2264	return if $self->{deny_save};
1738		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2270	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2271	}
1742		2272
1743	sub reset_at {	2273	sub reset_at {
1744	my ($self) = @_;	2274	my ($self) = @_;
1745		2275
…		…
1777	if $uniq;	2307	if $uniq;
1778	}	2308	}
1779		2309
1780	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1781		2311
		2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2314	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2315
1786	$self->unlink_save;	2316	$self->unlink_save;
1787	$self->destroy;	2317	$self->destroy;
1788	}	2318	}
1789		2319
1790	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1791		2321
1792	sub nuke {	2322	sub nuke {
1793	my ($self) = @_;	2323	my ($self) = @_;
1794		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1795	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1796		2329
1797	$self->unlink_save;	2330	$self->unlink_save;
1798		2331
1799	bless $self, "cf::map";	2332	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2337
1805	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1806		2340
1807	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
1808	}	2342	}
1809		2343
1810	=item $maps = cf::map::tmp_maps	2344	=item $maps = cf::map::tmp_maps
…		…
1852		2386
1853	sub unique_maps() {	2387	sub unique_maps() {
1854	[	2388	[
1855	map {	2389	map {
1856	utf8::decode $_;	2390	utf8::decode $_;
1857	/\.map$/	2391	s/\.map$//; # TODO future compatibility hack
		2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2393	? ()
1858	? normalise $_	2394	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2395	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2396	]
1862	}	2397	}
1863		2398
1864	package cf;
1865
1866	=back	2399	=back
1867		2400
1868	=head3 cf::object	2401	=head3 cf::object
1869		2402
1870	=cut	2403	=cut
…		…
1873		2406
1874	=over 4	2407	=over 4
1875		2408
1876	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1877		2410
1878	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1879		2413
1880	=cut	2414	=cut
1881		2415
1882	sub inv_recursive_;	2416	sub inv_recursive_;
1883	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1886		2420
1887	sub inv_recursive {	2421	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1889	}	2423	}
1890		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1891	package cf;	2453	package cf;
1892		2454
1893	=back	2455	=back
1894		2456
1895	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	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	2464	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1904		2466
1905	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1906		2482
1907	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2484	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1912		2488
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2490
1915	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1917	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1920	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1921	}	2516	}
1922		2517
1923	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1924		2519
1925	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
2007		2602
2008	$map->load;	2603	$map->load;
2009	$map->load_diag;	2604	$map->load_neighbours;
2010		2605
2011	return unless $self->contr->active;	2606	return unless $self->contr->active;
2012	$self->activate_recursive;	2607	$self->activate_recursive;
2013		2608
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
2016	}	2611	}
2017		2612
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2614
2020	Moves the player to the given map-path and coordinates by first freezing	2615	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	2616	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	2617	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2618	the new (success) or old (failed) map position. In either case, $done will
		2619	be called at the end of this process.
2024		2620
2025	=cut	2621	=cut
2026		2622
2027	our $GOTOGEN;	2623	our $GOTOGEN;
2028		2624
2029	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2627
2032	# do generation counting so two concurrent goto's will be executed in-order	2628	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2630
2035	$self->enter_link;	2631	$self->enter_link;
2036		2632
2037	(async {	2633	(async {
		2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
2038	my $map = eval {	2655	my $map = eval {
2039	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
2040		2657
2041	if ($map) {	2658	if ($map) {
2042	$map = $map->customise_for ($self);	2659	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2660	$map = $check->($map) if $check && $map;
2044	} else {	2661	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2663	}
2047		2664
2048	$map	2665	$map
2049	};	2666	};
2050		2667
…		…
2055		2672
2056	if ($gen == $self->{_goto_generation}) {	2673	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2674	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
2059	}	2676	}
		2677
		2678	$done->() if $done;
2060	})->prio (1);	2679	})->prio (1);
2061	}	2680	}
2062		2681
2063	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
2064		2683
…		…
2084	}	2703	}
2085		2704
2086	sub prepare_random_map {	2705	sub prepare_random_map {
2087	my ($exit) = @_;	2706	my ($exit) = @_;
2088		2707
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2710	# that depends on the exit object
2094		2711
2095	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2714	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
2102	}	2721	}
2103		2722
2104	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
2105		2724
2106	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
2109		2728
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2731	undef $fh;
2113	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
2114		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
2117	}	2740	}
2118	}	2741	}
2119		2742
2120	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
2122		2745
2123	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
2124		2747
2125	if ($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;	2748	$self->enter_link;
2137		2749
2138	(async {	2750	(async {
2139	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
2140	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
		2760	prepare_random_map $exit
		2761	if $exit->slaying eq "/!";
		2762	}
		2763
		2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
		2767
2141	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
2142		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
2143	1;	2774	1
2144	}) {	2775	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
2146	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2169		2800
2170	utf8::encode $text;	2801	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2803	}
2173		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
2174	=item $client->ext_event ($type, %msg)	2935	=item $client->ext_msg ($type, @msg)
2175		2936
2176	Sends an exti event to the client.	2937	Sends an ext event to the client.
2177		2938
2178	=cut	2939	=cut
2179		2940
2180	sub cf::client::ext_event($$%) {	2941	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2942	my ($self, $type, @msg) = @_;
2182		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2947	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
2185	}	2968	}
2186		2969
2187	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
2188		2971
2189	Queues a query to the client, calling the given callback with	2972	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>,	2973	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>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2975
2193	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2977	become reliable at some point in the future.
2195		2978
2196	=cut	2979	=cut
2197		2980
2198	sub cf::client::query {	2981	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2990	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2992
2210	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
2212	}	2997	}
2213		2998
2214	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
2215	on_reply => sub {	3005	on_reply => sub {
2216	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2217		3007
2218	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2219	# get handled first	3009	# get handled first
…		…
2231	} else {	3021	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3023	}
2234	}	3024	}
2235	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
2236	);	3052	);
2237		3053
2238	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2239		3055
2240	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2283		3099
2284	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2285		3101
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2287		3107
2288	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2289		3109
2290	=pod	3110	=pod
2291		3111
2292	The following functions and methods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2293		3113
2294	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2295	cf::object::player player	3118	cf::object::player
2296	cf::player peaceful	3119	player
2297	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2298		3126
2299	=cut	3127	=cut
2300		3128
2301	for (	3129	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2303	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2306	) {	3136	) {
2307	no strict 'refs';	3137	no strict 'refs';
…		…
2378	=back	3208	=back
2379		3209
2380	=cut	3210	=cut
2381		3211
2382	#############################################################################	3212	#############################################################################
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 $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3213	# the server's init and main functions
2556		3214
2557	sub load_facedata($) {	3215	sub load_facedata($) {
2558	my ($path) = @_;	3216	my ($path) = @_;
		3217
		3218	# HACK to clear player env face cache, we need some signal framework
		3219	# for this (global event?)
		3220	%ext::player_env::MUSIC_FACE_CACHE = ();
		3221
		3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3223
2560	warn "loading facedata from $path\n";	3224	warn "loading facedata from $path\n";
2561		3225
2562	my $facedata;	3226	my $facedata;
2563	0 < aio_load $path, $facedata	3227	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3230	$facedata = Coro::Storable::thaw $facedata;
2567		3231
2568	$facedata->{version} == 2	3232	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3234
		3235	# patch in the exptable
		3236	$facedata->{resource}{"res/exp_table"} = {
		3237	type => FT_RSRC,
		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3239	};
		3240	cf::cede_to_tick;
		3241
2571	{	3242	{
2572	my $faces = $facedata->{faceinfo};	3243	my $faces = $facedata->{faceinfo};
2573		3244
2574	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3247
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3248	cf::face::set_visibility $idx, $info->{visibility};
		3249	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3252
		3253	cf::cede_to_tick;
2580	}	3254	}
2581		3255
2582	while (my ($face, $info) = each %$faces) {	3256	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3257	next unless $info->{smooth};
		3258
2584	my $idx = cf::face::find $face	3259	my $idx = cf::face::find $face
2585	or next;	3260	or next;
		3261
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3265	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3267	}
2591	Coro::cede;	3268
		3269	cf::cede_to_tick;
2592	}	3270	}
2593	}	3271	}
2594		3272
2595	{	3273	{
2596	my $anims = $facedata->{animinfo};	3274	my $anims = $facedata->{animinfo};
2597		3275
2598	while (my ($anim, $info) = each %$anims) {	3276	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3278	cf::cede_to_tick;
2601	}	3279	}
2602		3280
2603	cf::anim::invalidate_all; # d'oh	3281	cf::anim::invalidate_all; # d'oh
2604	}	3282	}
2605		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
2606	1	3319	1
2607	}	3320	}
2608		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
2609	sub reload_regions {	3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
2610	load_resource_file "$MAPDIR/regions"	3365	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
2612	}	3372	}
2613		3373
2614	sub reload_facedata {	3374	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3375	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3376	or die "unable to load facedata\n";
…		…
2627	}	3387	}
2628		3388
2629	sub reload_resources {	3389	sub reload_resources {
2630	warn "reloading resource files...\n";	3390	warn "reloading resource files...\n";
2631		3391
		3392	reload_facedata;
		3393	reload_archetypes;
2632	reload_regions;	3394	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3395	reload_treasures;
2637		3396
2638	warn "finished reloading resource files\n";	3397	warn "finished reloading resource files\n";
2639	}	3398	}
2640		3399
2641	sub init {	3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
2642	reload_resources;	3403	reload_resources;
2643	}	3404	}
2644		3405
2645	sub cfg_load {	3406	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3408	or return;
2648		3409
2649	local $/;	3410	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2651		3412
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3414
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$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};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2666	sub main {	3427	sub main {
2667	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3431	(async {
2671	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2673	};	3435	};
2674		3436
2675	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2676	db_init;	3440	db_init;
2677	load_extensions;	3441	load_extensions;
2678		3442
2679	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2680	Event::loop;	3446	EV::loop;
2681	}	3447	}
2682		3448
2683	#############################################################################	3449	#############################################################################
2684	# initialisation and cleanup	3450	# initialisation and cleanup
2685		3451
2686	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2687	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3456	$SIGWATCHER{$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";	3457	cf::cleanup "SIG$signal";
2696	},
2697	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2698	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2699	}	3541	}
2700		3542
2701	sub emergency_save() {	3543	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2703		3545
…		…
2709	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3557	$pl->save;
2715	}	3558	}
2716	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2717		3560
2718	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2724	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2725		3568
2726	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2729	};	3576	};
2730		3577
2731	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2732	}	3579	}
2733		3580
…		…
2748	warn "reloading...";	3595	warn "reloading...";
2749		3596
2750	warn "entering sync_job";	3597	warn "entering sync_job";
2751		3598
2752	cf::sync_job {	3599	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3601	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2756		3603
2757	warn "syncing database to disk";	3604	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3606
2760	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766		3608
2767	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2768	for (;;) {	3610	for (;;) {
2769	BDB::flush;	3611	BDB::flush;
2770	IO::AIO::flush;	3612	IO::AIO::flush;
2771	Coro::cede;	3613	Coro::cede_notself;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";	3615	warn "iterate...";
2774	}	3616	}
2775		3617
2776	++$RELOAD;	3618	++$RELOAD;
…		…
2780	%EXT_CORO = ();	3622	%EXT_CORO = ();
2781		3623
2782	warn "removing commands";	3624	warn "removing commands";
2783	%COMMAND = ();	3625	%COMMAND = ();
2784		3626
2785	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2787		3630
2788	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2791		3634
…		…
2834	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2835	require cf;	3678	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3680
2838	warn "loading config and database again";	3681	warn "loading config and database again";
2839	cf::cfg_load;	3682	cf::reload_config;
2840		3683
2841	warn "loading extensions";	3684	warn "loading extensions";
2842	cf::load_extensions;	3685	cf::load_extensions;
2843		3686
2844	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2851	warn "leaving sync_job";	3694	warn "leaving sync_job";
2852		3695
2853	1	3696	1
2854	} or do {	3697	} or do {
2855	warn $@;	3698	warn $@;
2856	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3700	};
2859		3701
2860	warn "reloaded";	3702	warn "reloaded";
2861	};	3703	};
2862		3704
…		…
2864		3706
2865	sub reload_perl() {	3707	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2868		3710
2869	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;	3712	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2876	},
2877	);	3714	};
2878	}	3715	}
2879		3716
2880	register_command "reload" => sub {	3717	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2882		3719
2883	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3724	reload_perl;
		3725	};
2886	}	3726	}
2887	};	3727	};
2888		3728
2889	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2890		3730
…		…
2892		3732
2893	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2895		3735
2896	sub wait_for_tick {	3736	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2899		3738
2900	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3741	$signal->wait;
2903	}	3742	}
2904		3743
2905	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2908		3746
2909	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3749	$signal->wait;
2912	}	3750	}
2913		3751
2914	my $min = 1e6;#d#	3752	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) {	3753	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2926	return;	3756	return;
2927	}	3757	}
2928		3758
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2932		3760
2933	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3763	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
2937	or die;	3765	write_runtime_sync
2938		3766	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	};	3767	};
		3768	}
2955		3769
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) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3771	$sig->send;
2972	}	3772	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3774	$sig->send;
2975	}	3775	}
2976		3776
2977	$NOW = Event::time;	3777	$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;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3779
2988	_post_tick;	3780	if (0) {
2989		3781	if ($NEXT_TICK) {
2990		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2991	},	3786	}
2992	);	3787	}
2993		3788
2994	{	3789	{
2995	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3791
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;	3792	BDB::min_parallel 8;
3005		3793	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3794	$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		3795
3021	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3802
3024	cf::sync_job {	3803	cf::sync_job {
3025	eval {	3804	eval {
3026	BDB::db_env_open	3805	BDB::db_env_open
3027	$DB_ENV,	3806	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3810	0666;
3032		3811
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3812	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	};	3813	};
3038		3814
3039	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3816	};
3041	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
3042	}	3828	}
3043		3829
3044	{	3830	{
		3831	# configure IO::AIO
		3832
3045	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3835	#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	}	3836	}
3058		3837
3059	my $_log_backtrace;	3838	my $_log_backtrace;
3060		3839
3061	sub _log_backtrace {	3840	sub _log_backtrace {
…		…
3065		3844
3066	# limit the # of concurrent backtraces	3845	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3846	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3847	++$_log_backtrace;
3069	async {	3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
3070	my @bt = fork_call {	3851	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3852	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3855	or die "addr2line: $!";
…		…
3097	# load additional modules	3878	# load additional modules
3098	use cf::pod;	3879	use cf::pod;
3099		3880
3100	END { cf::emergency_save }	3881	END { cf::emergency_save }
3101		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
3102	1	3885	1
3103		3886

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