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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 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: <$buf>\n";
942	}	1305	}
943		1306
944	cf::override;	1307	cf::override;
945	},	1308	},
946	);	1309	);
947		1310
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
983	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1316	next unless -r $path;
985	eval {	1317
986	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
987	1	1374	}
988	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
989	}	1380	};
990	}	1381	}
991		1382
992	#############################################################################	1383	#############################################################################
993		1384
		1385	=back
		1386
994	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
995		1388
996	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
997		1390
998	=cut	1391	=cut
…		…
1002	use Coro::AIO;	1395	use Coro::AIO;
1003		1396
1004	=head3 cf::player	1397	=head3 cf::player
1005		1398
1006	=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	}
1007		1414
1008	=item cf::player::find $login	1415	=item cf::player::find $login
1009		1416
1010	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
1011		1418
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1457	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1458
1052	my $pl = load_pl path $login	1459	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
1055	}	1468	}
1056	}	1469	}
1057	}	1470	}
1058		1471
…		…
1067	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1068		1481
1069	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1071		1484
		1485	cf::get_slot 0.01;
		1486
1072	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1073	Coro::cede;	1488	cf::cede_to_tick;
1074	}	1489	}
1075		1490
1076	sub new($) {	1491	sub new($) {
1077	my ($login) = @_;	1492	my ($login) = @_;
1078		1493
…		…
1084	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1085		1500
1086	$self	1501	$self
1087	}	1502	}
1088		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
1089	=item $pl->quit_character	1514	=item $pl->quit_character
1090		1515
1091	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
1092	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1093		1518
…		…
1101	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1102	$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
1103		1528
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1108		1535
1109	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1573	or return [];
1147		1574
1148	my @logins;	1575	my @logins;
1149		1576
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1154		1587
1155	utf8::decode $login;	1588	utf8::decode $login;
1156	push @logins, $login;	1589	push @logins, $login;
1157	}	1590	}
1158		1591
…		…
1185	}	1618	}
1186		1619
1187	\@paths	1620	\@paths
1188	}	1621	}
1189		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
1190	=item $player->ext_reply ($msgid, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1191		1717
1192	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1193		1719
1194	=cut	1720	=cut
1195		1721
1196	sub ext_reply($$%) {	1722	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1198		1724
1199	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1726	}
1203		1727
1204	=item $player->ext_event ($type, %msg)	1728	=item $player->ext_msg ($type, @msg)
1205		1729
1206	Sends an ext event to the client.	1730	Sends an ext event to the client.
1207		1731
1208	=cut	1732	=cut
1209		1733
1210	sub ext_event($$%) {	1734	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1735	my ($self, $type, @msg) = @_;
1212		1736
1213	$self->ns->ext_event ($type, %msg);	1737	$self->ns->ext_msg ($type, @msg);
1214	}	1738	}
1215		1739
1216	=head3 cf::region	1740	=head3 cf::region
1217		1741
1218	=over 4	1742	=over 4
…		…
1221		1745
1222	package cf::region;	1746	package cf::region;
1223		1747
1224	=item cf::region::find_by_path $path	1748	=item cf::region::find_by_path $path
1225		1749
1226	Tries to decuce the probable region for a map knowing only its path.	1750	Tries to decuce the likely region for a map knowing only its path.
1227		1751
1228	=cut	1752	=cut
1229		1753
1230	sub find_by_path($) {	1754	sub find_by_path($) {
1231	my ($path) = @_;	1755	my ($path) = @_;
1232		1756
1233	my ($match, $specificity);	1757	my ($match, $specificity);
1234		1758
1235	for my $region (list) {	1759	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1760	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1761	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1762	if $region->specificity > $specificity;
1239	}	1763	}
1240	}	1764	}
1241		1765
…		…
1262	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1264		1788
1265	sub generate_random_map {	1789	sub generate_random_map {
1266	my ($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
1267	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1795	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1362	return $self;	1889	return $self;
1363	}	1890	}
1364	}	1891	}
1365		1892
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1894	()
1368	}	1895	}
1369		1896
1370	sub init {	1897	sub init {
1371	my ($self) = @_;	1898	my ($self) = @_;
…		…
1393		1920
1394	# the temporary/swap location	1921	# the temporary/swap location
1395	sub save_path {	1922	sub save_path {
1396	my ($self) = @_;	1923	my ($self) = @_;
1397		1924
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1926	"$TMPDIR/$path.map"
1400	}	1927	}
1401		1928
1402	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1403	sub uniq_path {	1930	sub uniq_path {
1404	my ($self) = @_;	1931	my ($self) = @_;
1405		1932
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1934	"$UNIQUEDIR/$path"
1408	}	1935	}
1409		1936
1410	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1411	# all maps in C++...	1938	# all maps in C++...
…		…
1434		1961
1435	sub load_header_from($) {	1962	sub load_header_from($) {
1436	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1437		1964
1438	utf8::encode $path;	1965	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	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;
1444		1974
1445	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1446		1976
1447	1	1977	1
1448	}	1978	}
…		…
1502	sub find {	2032	sub find {
1503	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1504		2034
1505	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1506		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1508		2039
1509	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1511	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1512	or return;	2045	or return;
1513		2046
1514	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1515		2048
…		…
1517	or return;	2050	or return;
1518		2051
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1522	$map->reset;	2057	$map->reset;
1523	undef $guard;
1524	return find $path;	2058	return find $path;
1525	}	2059	}
1526		2060
1527	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1528	}	2062	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1538		2072
1539	my $path = $self->{path};	2073	my $path = $self->{path};
1540		2074
1541	{	2075	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1543		2077
		2078	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2080
1546	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1547		2082
1548	$self->alloc;	2083	$self->alloc;
1549		2084
1550	$self->pre_load;	2085	$self->pre_load;
1551	Coro::cede;	2086	cf::cede_to_tick;
1552		2087
		2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2090	$self->_load_objects ($f)
1554	or return;	2091	or return;
1555		2092
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2094	if delete $self->{load_original};
1558		2095
1559	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2097	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2100	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1564	}	2104	}
1565	}	2105	}
1566		2106
1567	Coro::cede;	2107	$f->resolve_delayed_derefs;
		2108
		2109	cf::cede_to_tick;
1568	# now do the right thing for maps	2110	# now do the right thing for maps
1569	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2113	unless $self->difficulty;
1572	Coro::cede;	2114	cf::cede_to_tick;
1573		2115
1574	unless ($self->{deny_activate}) {	2116	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2117	$self->decay_objects;
1576	$self->fix_auto_apply;	2118	$self->fix_auto_apply;
1577	$self->update_buttons;	2119	$self->update_buttons;
1578	Coro::cede;	2120	cf::cede_to_tick;
1579	$self->set_darkness_map;	2121	$self->set_darkness_map;
1580	Coro::cede;	2122	cf::cede_to_tick;
1581	$self->activate;	2123	$self->activate;
1582	}	2124	}
1583		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2130	}
1586		2131
1587	$self->post_load;	2132	$self->post_load;
1588	}	2133	}
1589		2134
…		…
1598		2143
1599	$self	2144	$self
1600	}	2145	}
1601		2146
1602	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2148	sub load_neighbours {
1604	my ($map) = @_;	2149	my ($map) = @_;
1605		2150
1606	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1607		2152
1608	for (0 .. 3) {	2153	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1610	or next;	2155	or next;
1611	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1612	or next;	2157	or next;
1613	$neigh->load;	2158	$neigh->load;
1614		2159
		2160	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2163	}
1618		2164
1619	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1621	or next;	2168	or next;
1622	$neigh->load;	2169	$neigh->load;
1623	}	2170	}
1624	}	2171	}
1625		2172
…		…
1630	}	2177	}
1631		2178
1632	sub do_load_sync {	2179	sub do_load_sync {
1633	my ($map) = @_;	2180	my ($map) = @_;
1634		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1635	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1636	}	2186	}
1637		2187
1638	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1640		2190
1641	sub find_async {	2191	sub find_async {
1642	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1643		2193
1644	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1645		2195
1646	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2198	}
1649		2199
1650	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1651	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1652	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2207	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2208	$map->load if $v;
		2209	}
1657		2210
1658	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1659	}	2212	}
1660	}	2213	}
1661	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1662	};	2215	};
1663	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2219	}
1667		2220
1668	sub save {	2221	sub save {
1669	my ($self) = @_;	2222	my ($self) = @_;
1670		2223
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2225
1673	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1674		2227
1675	return unless $self->dirty;	2228	return unless $self->dirty;
1676		2229
…		…
1682	return if $self->{deny_save};	2235	return if $self->{deny_save};
1683		2236
1684	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1685		2238
1686	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1688	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1689		2245
1690	if ($uniq) {	2246	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2249	} else {
…		…
1699	my ($self) = @_;	2255	my ($self) = @_;
1700		2256
1701	# save first because save cedes	2257	# save first because save cedes
1702	$self->save;	2258	$self->save;
1703		2259
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2261
1706	return if $self->players;	2262	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2264	return if $self->{deny_save};
1709		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2270	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2271	}
1713		2272
1714	sub reset_at {	2273	sub reset_at {
1715	my ($self) = @_;	2274	my ($self) = @_;
1716		2275
…		…
1748	if $uniq;	2307	if $uniq;
1749	}	2308	}
1750		2309
1751	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1752		2311
		2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2314	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2315
1757	$self->unlink_save;	2316	$self->unlink_save;
1758	$self->destroy;	2317	$self->destroy;
1759	}	2318	}
1760		2319
1761	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1762		2321
1763	sub nuke {	2322	sub nuke {
1764	my ($self) = @_;	2323	my ($self) = @_;
1765		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1766	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1767		2329
1768	$self->unlink_save;	2330	$self->unlink_save;
1769		2331
1770	bless $self, "cf::map";	2332	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2337
1776	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1777		2340
1778	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1779	}	2378	}
1780		2379
1781	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1782		2381
1783	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2383	instantiated unique items. May block.
1785		2384
1786	=cut	2385	=cut
1787		2386
1788	sub unique_maps() {	2387	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2388	[
1790	or return;	2389	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2390	utf8::decode $_;
1796	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2393	? ()
1799	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2396	]
1801
1802	\@paths
1803	}	2397	}
1804
1805	package cf;
1806		2398
1807	=back	2399	=back
1808		2400
1809	=head3 cf::object	2401	=head3 cf::object
1810		2402
…		…
1814		2406
1815	=over 4	2407	=over 4
1816		2408
1817	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1818		2410
1819	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.
1820		2413
1821	=cut	2414	=cut
1822		2415
1823	sub inv_recursive_;	2416	sub inv_recursive_;
1824	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1827		2420
1828	sub inv_recursive {	2421	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1830	}	2423	}
1831		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
1832	package cf;	2453	package cf;
1833		2454
1834	=back	2455	=back
1835		2456
1836	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1842	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>
1843	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
1844	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1845		2466
1846	=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	};
1847		2482
1848	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2484	# with dialog boxes.
1850	#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
1851	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1853		2488
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2490
1856	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1858	} 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 {
1859	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1861	}	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 (@_);
1862	}	2516	}
1863		2517
1864	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1865		2519
1866	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1948		2602
1949	$map->load;	2603	$map->load;
1950	$map->load_diag;	2604	$map->load_neighbours;
1951		2605
1952	return unless $self->contr->active;	2606	return unless $self->contr->active;
1953	$self->activate_recursive;	2607	$self->activate_recursive;
1954		2608
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1957	}	2611	}
1958		2612
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2614
1961	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
1962	her, loading and preparing them map, calling the provided $check callback	2616	her, loading and preparing them map, calling the provided $check callback
1963	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
1964	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.
1965		2620
1966	=cut	2621	=cut
1967		2622
1968	our $GOTOGEN;	2623	our $GOTOGEN;
1969		2624
1970	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2627
1973	# 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
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2630
1976	$self->enter_link;	2631	$self->enter_link;
1977		2632
1978	(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
1979	my $map = eval {	2655	my $map = eval {
1980	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
1981		2657
1982	if ($map) {	2658	if ($map) {
1983	$map = $map->customise_for ($self);	2659	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2660	$map = $check->($map) if $check && $map;
1985	} else {	2661	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2663	}
1988		2664
1989	$map	2665	$map
1990	};	2666	};
1991		2667
…		…
1996		2672
1997	if ($gen == $self->{_goto_generation}) {	2673	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2674	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
2000	}	2676	}
		2677
		2678	$done->() if $done;
2001	})->prio (1);	2679	})->prio (1);
2002	}	2680	}
2003		2681
2004	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
2005		2683
…		…
2025	}	2703	}
2026		2704
2027	sub prepare_random_map {	2705	sub prepare_random_map {
2028	my ($exit) = @_;	2706	my ($exit) = @_;
2029		2707
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2710	# that depends on the exit object
2035		2711
2036	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2714	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
2043	}	2721	}
2044		2722
2045	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
2046		2724
2047	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
2050		2728
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2731	undef $fh;
2054	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
2055		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
2058	}	2740	}
2059	}	2741	}
2060		2742
2061	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
2063		2745
2064	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
2065		2747
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2748	$self->enter_link;
2078		2749
2079	(async {	2750	(async {
2080	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
2081	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
2082	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
2083		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
2084	1;	2774	1
2085	}) {	2775	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
2087	. "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. "
2088	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2110		2800
2111	utf8::encode $text;	2801	utf8::encode $text;
2112	$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);
2113	}	2803	}
2114		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
2115	=item $client->ext_event ($type, %msg)	2935	=item $client->ext_msg ($type, @msg)
2116		2936
2117	Sends an exti event to the client.	2937	Sends an ext event to the client.
2118		2938
2119	=cut	2939	=cut
2120		2940
2121	sub cf::client::ext_event($$%) {	2941	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2942	my ($self, $type, @msg) = @_;
2123		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2947	push @msg, msgtype => "event_$type";
2125	$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	}
2126	}	2968	}
2127		2969
2128	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
2129		2971
2130	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
2131	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>,
2132	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>.
2133		2975
2134	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
2135	reliable at some point in the future.	2977	become reliable at some point in the future.
2136		2978
2137	=cut	2979	=cut
2138		2980
2139	sub cf::client::query {	2981	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2990	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2992
2151	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
2153	}	2997	}
2154		2998
2155	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	},
2156	on_reply => sub {	3005	on_reply => sub {
2157	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2158		3007
2159	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2160	# get handled first	3009	# get handled first
…		…
2172	} else {	3021	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3023	}
2175	}	3024	}
2176	},	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	},
2177	);	3052	);
2178		3053
2179	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2180		3055
2181	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2224		3099
2225	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2226		3101
2227	$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	));
2228		3107
2229	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2230		3109
2231	=pod	3110	=pod
2232		3111
2233	The following functions and methods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2234		3113
2235	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
2236	cf::object::player player	3118	cf::object::player
2237	cf::player peaceful	3119	player
2238	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2239		3126
2240	=cut	3127	=cut
2241		3128
2242	for (	3129	for (
2243	["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)],
2244	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2247	) {	3136	) {
2248	no strict 'refs';	3137	no strict 'refs';
…		…
2319	=back	3208	=back
2320		3209
2321	=cut	3210	=cut
2322		3211
2323	#############################################################################	3212	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3213	# the server's init and main functions
2497		3214
2498	sub load_facedata($) {	3215	sub load_facedata($) {
2499	my ($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;
2500		3223
2501	warn "loading facedata from $path\n";	3224	warn "loading facedata from $path\n";
2502		3225
2503	my $facedata;	3226	my $facedata;
2504	0 < aio_load $path, $facedata	3227	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3230	$facedata = Coro::Storable::thaw $facedata;
2508		3231
2509	$facedata->{version} == 2	3232	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		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
2512	{	3242	{
2513	my $faces = $facedata->{faceinfo};	3243	my $faces = $facedata->{faceinfo};
2514		3244
2515	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3247
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3248	cf::face::set_visibility $idx, $info->{visibility};
		3249	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3252
		3253	cf::cede_to_tick;
2521	}	3254	}
2522		3255
2523	while (my ($face, $info) = each %$faces) {	3256	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3257	next unless $info->{smooth};
		3258
2525	my $idx = cf::face::find $face	3259	my $idx = cf::face::find $face
2526	or next;	3260	or next;
		3261
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3265	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3267	}
2532	Coro::cede;	3268
		3269	cf::cede_to_tick;
2533	}	3270	}
2534	}	3271	}
2535		3272
2536	{	3273	{
2537	my $anims = $facedata->{animinfo};	3274	my $anims = $facedata->{animinfo};
2538		3275
2539	while (my ($anim, $info) = each %$anims) {	3276	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3278	cf::cede_to_tick;
2542	}	3279	}
2543		3280
2544	cf::anim::invalidate_all; # d'oh	3281	cf::anim::invalidate_all; # d'oh
2545	}	3282	}
2546		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
2547	1	3319	1
2548	}	3320	}
2549		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	$status
		3358	}
		3359
2550	sub reload_regions {	3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
2551	load_resource_file "$MAPDIR/regions"	3365	load_resource_file "$MAPDIR/regions"
2552	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 $_->{match};
		3371	}
2553	}	3372	}
2554		3373
2555	sub reload_facedata {	3374	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3375	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3376	or die "unable to load facedata\n";
…		…
2568	}	3387	}
2569		3388
2570	sub reload_resources {	3389	sub reload_resources {
2571	warn "reloading resource files...\n";	3390	warn "reloading resource files...\n";
2572		3391
		3392	reload_facedata;
		3393	reload_archetypes;
2573	reload_regions;	3394	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3395	reload_treasures;
2578		3396
2579	warn "finished reloading resource files\n";	3397	warn "finished reloading resource files\n";
2580	}	3398	}
2581		3399
2582	sub init {	3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
2583	reload_resources;	3403	reload_resources;
2584	}	3404	}
2585		3405
2586	sub cfg_load {	3406	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3408	or return;
2589		3409
2590	local $/;	3410	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2592		3412
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3414
2595	$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};
2596	$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};
…		…
2607	sub main {	3427	sub main {
2608	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2610	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#
2611	(async {	3431	(async {
2612	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2614	};	3435	};
2615		3436
2616	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2617	db_init;	3440	db_init;
2618	load_extensions;	3441	load_extensions;
2619		3442
2620	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2621	Event::loop;	3446	EV::loop;
2622	}	3447	}
2623		3448
2624	#############################################################################	3449	#############################################################################
2625	# initialisation and cleanup	3450	# initialisation and cleanup
2626		3451
2627	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2628	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2637	},
2638	);	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
2639	}	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 };
2640	}	3541	}
2641		3542
2642	sub emergency_save() {	3543	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2644		3545
…		…
2650	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3557	$pl->save;
2656	}	3558	}
2657	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2658		3560
2659	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2665	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2666		3568
2667	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2669	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";
2670	};	3576	};
2671		3577
2672	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2673	}	3579	}
2674		3580
…		…
2689	warn "reloading...";	3595	warn "reloading...";
2690		3596
2691	warn "entering sync_job";	3597	warn "entering sync_job";
2692		3598
2693	cf::sync_job {	3599	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3601	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2697		3603
2698	warn "syncing database to disk";	3604	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3606
2701	# 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
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707		3608
2708	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2709	for (;;) {	3610	for (;;) {
2710	BDB::flush;	3611	BDB::flush;
2711	IO::AIO::flush;	3612	IO::AIO::flush;
2712	Coro::cede;	3613	Coro::cede_notself;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";	3615	warn "iterate...";
2715	}	3616	}
2716		3617
2717	++$RELOAD;	3618	++$RELOAD;
…		…
2721	%EXT_CORO = ();	3622	%EXT_CORO = ();
2722		3623
2723	warn "removing commands";	3624	warn "removing commands";
2724	%COMMAND = ();	3625	%COMMAND = ();
2725		3626
2726	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2728		3630
2729	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2732		3634
…		…
2775	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2776	require cf;	3678	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3680
2779	warn "loading config and database again";	3681	warn "loading config and database again";
2780	cf::cfg_load;	3682	cf::reload_config;
2781		3683
2782	warn "loading extensions";	3684	warn "loading extensions";
2783	cf::load_extensions;	3685	cf::load_extensions;
2784		3686
2785	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2792	warn "leaving sync_job";	3694	warn "leaving sync_job";
2793		3695
2794	1	3696	1
2795	} or do {	3697	} or do {
2796	warn $@;	3698	warn $@;
2797	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3700	};
2800		3701
2801	warn "reloaded";	3702	warn "reloaded";
2802	};	3703	};
2803		3704
…		…
2805		3706
2806	sub reload_perl() {	3707	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2809		3710
2810	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;	3712	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2817	},
2818	);	3714	};
2819	}	3715	}
2820		3716
2821	register_command "reload" => sub {	3717	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2823		3719
2824	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3724	reload_perl;
		3725	};
2827	}	3726	}
2828	};	3727	};
2829		3728
2830	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2831		3730
…		…
2833		3732
2834	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2836		3735
2837	sub wait_for_tick {	3736	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2840		3738
2841	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3741	$signal->wait;
2844	}	3742	}
2845		3743
2846	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2849		3746
2850	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3749	$signal->wait;
2853	}	3750	}
2854		3751
2855	my $min = 1e6;#d#	3752	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2865	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"
2866	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2867	return;	3756	return;
2868	}	3757	}
2869		3758
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2873		3760
2874	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3763	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
2878	or die;	3765	write_runtime_sync
2879		3766	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3767	};
		3768	}
2896		3769
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3771	$sig->send;
2913	}	3772	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3774	$sig->send;
2916	}	3775	}
2917		3776
2918	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3779
2929	_post_tick;	3780	if (0) {
2930		3781	if ($NEXT_TICK) {
2931		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2932	},	3786	}
2933	);	3787	}
2934		3788
2935	{	3789	{
2936	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3791
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2946		3793	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3795
2962	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2963	$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);
2964		3802
2965	cf::sync_job {	3803	cf::sync_job {
2966	eval {	3804	eval {
2967	BDB::db_env_open	3805	BDB::db_env_open
2968	$DB_ENV,	3806	$DB_ENV,
…		…
2970	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
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3810	0666;
2973		3811
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3813	};
2979		3814
2980	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3816	};
2982	}	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	};
2983	}	3828	}
2984		3829
2985	{	3830	{
		3831	# configure IO::AIO
		3832
2986	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3835	#undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3836	}
2999		3837
3000	my $_log_backtrace;	3838	my $_log_backtrace;
3001		3839
3002	sub _log_backtrace {	3840	sub _log_backtrace {
…		…
3006		3844
3007	# limit the # of concurrent backtraces	3845	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3846	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3847	++$_log_backtrace;
3010	async {	3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
3011	my @bt = fork_call {	3851	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3852	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	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 |"
3015	or die "addr2line: $!";	3855	or die "addr2line: $!";
…		…
3038	# load additional modules	3878	# load additional modules
3039	use cf::pod;	3879	use cf::pod;
3040		3880
3041	END { cf::emergency_save }	3881	END { cf::emergency_save }
3042		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
3043	1	3885	1
3044		3886

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