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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.416 by root, Fri Apr 11 13:59:06 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	248	)) {
204	no strict 'refs';	249	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	251	}
207		252
208	$Event::DIED = sub {	253	$EV::DIED = sub {
209	warn "error in event callback: @_";	254	warn "error in event callback: @_";
210	};	255	};
211		256
212	#############################################################################	257	#############################################################################
213		258
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	282	$d
238	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
239	}	284	}
240		285
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
244		287
245	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
246		289
247	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
248		291
249	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
250		300
251	=item cf::lock_wait $string	301	=item cf::lock_wait $string
252		302
253	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
254		304
…		…
257	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
260	returned.	310	returned.
261		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
262	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
264		317
265	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
266		319
267	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
268		321
269	=cut	322	=cut
270		323
271	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
272		326
273	sub lock_wait($) {	327	sub lock_wait($) {
274	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
275		334
276	# wait for lock, if any	335	# wait for lock, if any
277	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	338	Coro::schedule;
…		…
285		344
286	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
287	lock_wait $key;	346	lock_wait $key;
288		347
289	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
290		350
291	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
294	}	355	}
295	}	356	}
296		357
…		…
299		360
300	! ! $LOCK{$key}	361	! ! $LOCK{$key}
301	}	362	}
302		363
303	sub freeze_mainloop {	364	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
305		366
306	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
307	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
308	};	428	}
309	$TICK_WATCHER->stop;	429	};
310	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
311	}	441	}
312		442
313	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
314		444
315	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		450
321	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
322		452
323	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
324		454
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	458	acceptable.
329		459
330	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		466
337	sub sync_job(&) {	467	sub sync_job(&) {
338	my ($job) = @_;	468	my ($job) = @_;
339		469
340	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	471	my $time = EV::time;
342		472
343	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
345		475
346	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	477
348	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
349		479
350	my $busy = 1;	480	my $busy = 1;
351	my @res;	481	my @res;
352		482
353	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	485	@res = eval { $job->() };
355	warn $@ if $@;	486	warn $@ if $@;
356	undef $busy;	487	undef $busy;
357	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
358		489
359	while ($busy) {	490	while ($busy) {
360	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
361	}	495	}
		496	}
362		497
363	$time = Event::time - $time;	498	my $time = EV::time - $time;
364		499
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
369		501
370	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
371	} else {	503	} else {
372	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
373		505
…		…
398	=item fork_call { }, $args	530	=item fork_call { }, $args
399		531
400	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
404		536
405	=cut	537	=cut
406		538
407	sub fork_call(&@) {	539	sub fork_call(&@) {
408	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
409		541
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	542	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		545
415	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	547	reset_signals;
428	local $SIG{__WARN__};	548	&$cb
429	local $SIG{__DIE__};	549	}, @args;
430	eval {
431	close $fh1;
432		550
433	my @res = eval { $cb->(@args) };	551	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	552	}
435	};
436		553
437	warn $@ if $@;	554	=item $coin = coin_from_name $name
438	_exit 0;	555
439	}	556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
440	}	579	}
441		580
442	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
443		582
444	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
447		586
448	Stores the given C<$value> in the family. It can currently store binary	587	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
451	=cut	595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
452		613
453	our $DB;	614	our $DB;
454		615
455	sub db_init {	616	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	617	cf::sync_job {
460	eval {	618	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	619	};
470	}	620	}
471		621
472	sub db_get($$) {	622	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
474		624
…		…
524	if (1) {	674	if (1) {
525	$md5 =	675	$md5 =
526	join "\x00",	676	join "\x00",
527	$processversion,	677	$processversion,
528	map {	678	map {
529	Coro::cede;	679	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	681	} 0.. $#$src;
532		682
533		683
534	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
578	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
580		730
581	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	733	Deliantra).
584		734
585	=over 4	735	=over 4
586		736
587	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
588		738
…		…
840	";	990	";
841	die if $@;	991	die if $@;
842	}	992	}
843		993
844	our $override;	994	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		996
847	sub override {	997	sub override {
848	$override = 1;	998	$override = 1;
849	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
850	}	1000	}
851		1001
852	sub do_invoke {	1002	sub do_invoke {
853	my $event = shift;	1003	my $event = shift;
854	my $callbacks = shift;	1004	my $callbacks = shift;
855		1005
856	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
857		1007
858	local $override;	1008	local $override;
859		1009
860	for (@$callbacks) {	1010	for (@$callbacks) {
861	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
870	}	1020	}
871		1021
872	0	1022	0
873	}	1023	}
874		1024
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1026
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1028
879	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
880		1030
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1034
885	=back	1035	=back
886		1036
887	=cut	1037	=cut
888		1038
889	#############################################################################	1039	#############################################################################
890	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
891		1083
892	sub reattach {	1084	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1086	my ($obj) = @_;
895		1087
…		…
916	cf::attachable->attach (	1108	cf::attachable->attach (
917	prio => -1000000,	1109	prio => -1000000,
918	on_instantiate => sub {	1110	on_instantiate => sub {
919	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
920		1112
921	$data = from_json $data;	1113	$data = decode_json $data;
922		1114
923	for (@$data) {	1115	for (@$data) {
924	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
925		1117
926	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1134	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
944		1136
945	sync_job {	1137	sync_job {
946	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
949		1142
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1147	close $fh;
955		1148
956	if (@$objs) {	1149	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1155	close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
964	}	1157	}
…		…
972	}	1165	}
973	} else {	1166	} else {
974	aio_unlink $filename;	1167	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
976	}	1169	}
977	}	1170	};
978	}	1171	}
979		1172
980	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
982		1175
…		…
994	or return;	1187	or return;
995		1188
996	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
998	or return;	1191	or return;
		1192
999	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1000	}	1195	}
1001		1196
		1197	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1004	return ($data, $av);	1201	($data, $av)
1005	}	1202	}
1006		1203
1007	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1008		1205
1009	=over 4	1206	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1227	}
1031		1228
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1230
1034	Register a callback fro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
1035		1236
1036	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
1037	called.	1238	called.
1038		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
1039	=cut	1251	=cut
1040		1252
1041	sub register_extcmd {	1253	sub register_extcmd {
1042	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
1043		1255
1044	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
1045	}	1263	}
1046		1264
1047	cf::player->attach (	1265	cf::player->attach (
1048	on_command => sub {	1266	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1276	cf::override;
1059	},	1277	},
1060	on_extcmd => sub {	1278	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1062		1280
1063	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1282
1065	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1071	} else {	1298	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1300	}
1074		1301
1075	cf::override;	1302	cf::override;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1130		1357
1131	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1359	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1361	}
1136		1362
1137	warn $msg;	1363	warn $msg;
1138	}	1364	}
1139		1365
…		…
1164	use Coro::AIO;	1390	use Coro::AIO;
1165		1391
1166	=head3 cf::player	1392	=head3 cf::player
1167		1393
1168	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1169		1409
1170	=item cf::player::find $login	1410	=item cf::player::find $login
1171		1411
1172	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1173		1413
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1453
1214	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1217	}	1462	}
1218	}	1463	}
1219	}	1464	}
1220		1465
…		…
1230		1475
1231	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1233		1478
1234	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1235	Coro::cede;	1480	cf::cede_to_tick;
1236	}	1481	}
1237		1482
1238	sub new($) {	1483	sub new($) {
1239	my ($login) = @_;	1484	my ($login) = @_;
1240		1485
…		…
1244	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1245		1490
1246	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1247		1492
1248	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1249	}	1504	}
1250		1505
1251	=item $pl->quit_character	1506	=item $pl->quit_character
1252		1507
1253	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1308	or return [];	1563	or return [];
1309		1564
1310	my @logins;	1565	my @logins;
1311		1566
1312	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1316		1576
1317	utf8::decode $login;	1577	utf8::decode $login;
1318	push @logins, $login;	1578	push @logins, $login;
1319	}	1579	}
1320		1580
…		…
1347	}	1607	}
1348		1608
1349	\@paths	1609	\@paths
1350	}	1610	}
1351		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1352	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1353		1706
1354	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1355		1708
1356	=cut	1709	=cut
1357		1710
1358	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1360		1713
1361	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1715	}
1365		1716
1366	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1367		1718
1368	Sends an ext event to the client.	1719	Sends an ext event to the client.
1369		1720
1370	=cut	1721	=cut
1371		1722
1372	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1374		1725
1375	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1376	}	1727	}
1377		1728
1378	=head3 cf::region	1729	=head3 cf::region
1379		1730
1380	=over 4	1731	=over 4
…		…
1393	my ($path) = @_;	1744	my ($path) = @_;
1394		1745
1395	my ($match, $specificity);	1746	my ($match, $specificity);
1396		1747
1397	for my $region (list) {	1748	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1401	}	1752	}
1402	}	1753	}
1403		1754
…		…
1523	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1524	return $self;	1875	return $self;
1525	}	1876	}
1526	}	1877	}
1527		1878
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1880	()
1530	}	1881	}
1531		1882
1532	sub init {	1883	sub init {
1533	my ($self) = @_;	1884	my ($self) = @_;
…		…
1596		1947
1597	sub load_header_from($) {	1948	sub load_header_from($) {
1598	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1599		1950
1600	utf8::encode $path;	1951	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1606		1960
1607	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1608		1962
1609	1	1963	1
1610	}	1964	}
…		…
1664	sub find {	2018	sub find {
1665	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1666		2020
1667	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1668		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1670		2025
1671	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1673	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1674	or return;	2031	or return;
1675		2032
1676	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1677		2034
…		…
1679	or return;	2036	or return;
1680		2037
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1684	$map->reset;	2043	$map->reset;
1685	undef $guard;
1686	return find $path;	2044	return find $path;
1687	}	2045	}
1688		2046
1689	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1690	}	2048	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1700		2058
1701	my $path = $self->{path};	2059	my $path = $self->{path};
1702		2060
1703	{	2061	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1705		2063
		2064	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2066
1708	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1709		2068
1710	$self->alloc;	2069	$self->alloc;
1711		2070
1712	$self->pre_load;	2071	$self->pre_load;
1713	Coro::cede;	2072	cf::cede_to_tick;
1714		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2076	$self->_load_objects ($f)
1716	or return;	2077	or return;
1717		2078
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1719	if delete $self->{load_original};	2080	if delete $self->{load_original};
1720		2081
1721	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2083	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2086	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1726	}	2090	}
1727	}	2091	}
1728		2092
1729	Coro::cede;	2093	$f->resolve_delayed_derefs;
		2094
		2095	cf::cede_to_tick;
1730	# now do the right thing for maps	2096	# now do the right thing for maps
1731	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2099	unless $self->difficulty;
1734	Coro::cede;	2100	cf::cede_to_tick;
1735		2101
1736	unless ($self->{deny_activate}) {	2102	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2103	$self->decay_objects;
1738	$self->fix_auto_apply;	2104	$self->fix_auto_apply;
1739	$self->update_buttons;	2105	$self->update_buttons;
1740	Coro::cede;	2106	cf::cede_to_tick;
1741	$self->set_darkness_map;	2107	$self->set_darkness_map;
1742	Coro::cede;	2108	cf::cede_to_tick;
1743	$self->activate;	2109	$self->activate;
1744	}	2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
1745		2114
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
1747	}	2116	}
1748		2117
1749	$self->post_load;	2118	$self->post_load;
…		…
1760		2129
1761	$self	2130	$self
1762	}	2131	}
1763		2132
1764	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2134	sub load_neighbours {
1766	my ($map) = @_;	2135	my ($map) = @_;
1767		2136
1768	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1769		2138
1770	for (0 .. 3) {	2139	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1772	or next;	2141	or next;
1773	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1774	or next;	2143	or next;
1775	$neigh->load;	2144	$neigh->load;
1776		2145
		2146	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2149	}
1780		2150
1781	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1783	or next;	2154	or next;
1784	$neigh->load;	2155	$neigh->load;
1785	}	2156	}
1786	}	2157	}
1787		2158
…		…
1792	}	2163	}
1793		2164
1794	sub do_load_sync {	2165	sub do_load_sync {
1795	my ($map) = @_;	2166	my ($map) = @_;
1796		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1797	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1798	}	2172	}
1799		2173
1800	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1802		2176
1803	sub find_async {	2177	sub find_async {
1804	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1805		2179
1806	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1807		2181
1808	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1810	}	2184	}
1811		2185
1812	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1813	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1814	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2193	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2194	$map->load if $v;
		2195	}
1819		2196
1820	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1821	}	2198	}
1822	}	2199	}
1823	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1824	};	2201	};
1825	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2205	}
1829		2206
1830	sub save {	2207	sub save {
1831	my ($self) = @_;	2208	my ($self) = @_;
1832		2209
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2211
1835	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1836		2213
1837	return unless $self->dirty;	2214	return unless $self->dirty;
1838		2215
…		…
1844	return if $self->{deny_save};	2221	return if $self->{deny_save};
1845		2222
1846	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1847		2224
1848	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1850	};	2228	};
1851		2229
1852	if ($uniq) {	2230	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1861	my ($self) = @_;	2239	my ($self) = @_;
1862		2240
1863	# save first because save cedes	2241	# save first because save cedes
1864	$self->save;	2242	$self->save;
1865		2243
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2245
1868	return if $self->players;	2246	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};	2248	return if $self->{deny_save};
1871		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2254	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2255	}
1875		2256
1876	sub reset_at {	2257	sub reset_at {
1877	my ($self) = @_;	2258	my ($self) = @_;
1878		2259
…		…
1910	if $uniq;	2291	if $uniq;
1911	}	2292	}
1912		2293
1913	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1914		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2298	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2299
1919	$self->unlink_save;	2300	$self->unlink_save;
1920	$self->destroy;	2301	$self->destroy;
1921	}	2302	}
1922		2303
1923	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1924		2305
1925	sub nuke {	2306	sub nuke {
1926	my ($self) = @_;	2307	my ($self) = @_;
1927		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1928	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1929		2313
1930	$self->unlink_save;	2314	$self->unlink_save;
1931		2315
1932	bless $self, "cf::map";	2316	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2321
1938	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1939		2324
1940	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
1941	}	2326	}
1942		2327
1943	=item $maps = cf::map::tmp_maps	2328	=item $maps = cf::map::tmp_maps
…		…
1992	: ()	2377	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2379	]
1995	}	2380	}
1996		2381
1997	package cf;
1998
1999	=back	2382	=back
2000		2383
2001	=head3 cf::object	2384	=head3 cf::object
2002		2385
2003	=cut	2386	=cut
…		…
2017	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
2018	}	2401	}
2019		2402
2020	sub inv_recursive {	2403	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
2022	}	2433	}
2023		2434
2024	package cf;	2435	package cf;
2025		2436
2026	=back	2437	=back
…		…
2045		2456
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2458
2048	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
2050	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
2053	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
2054	}	2484	}
2055		2485
2056	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
2057		2487
2058	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
2137	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
2140		2570
2141	$map->load;	2571	$map->load;
2142	$map->load_diag;	2572	$map->load_neighbours;
2143		2573
2144	return unless $self->contr->active;	2574	return unless $self->contr->active;
2145	$self->activate_recursive;	2575	$self->activate_recursive;
2146		2576
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
2149	}	2579	}
2150		2580
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152		2582
2153	Moves the player to the given map-path and coordinates by first freezing	2583	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2584	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2585	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2586	the new (success) or old (failed) map position. In either case, $done will
		2587	be called at the end of this process.
2157		2588
2158	=cut	2589	=cut
2159		2590
2160	our $GOTOGEN;	2591	our $GOTOGEN;
2161		2592
2162	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
2164		2595
2165	# do generation counting so two concurrent goto's will be executed in-order	2596	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2598
2168	$self->enter_link;	2599	$self->enter_link;
2169		2600
2170	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
2171	my $map = eval {	2623	my $map = eval {
2172	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
2173		2625
2174	if ($map) {	2626	if ($map) {
2175	$map = $map->customise_for ($self);	2627	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2628	$map = $check->($map) if $check && $map;
2177	} else {	2629	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2631	}
2180		2632
2181	$map	2633	$map
2182	};	2634	};
2183		2635
…		…
2188		2640
2189	if ($gen == $self->{_goto_generation}) {	2641	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2642	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
2192	}	2644	}
		2645
		2646	$done->() if $done;
2193	})->prio (1);	2647	})->prio (1);
2194	}	2648	}
2195		2649
2196	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
2197		2651
…		…
2234	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
2235	}	2689	}
2236		2690
2237	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
2238		2692
2239	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
2240	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
2242		2696
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
…		…
2266	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
2268		2722
2269	$self->enter_link;	2723	$self->enter_link;
2270		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
2271	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
2272	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
2273	unless (eval {	2733	unless (eval {
2274	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
2275		2735
2276	1;	2736	1;
…		…
2302		2762
2303	utf8::encode $text;	2763	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2765	}
2306		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
2307	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2308		2892
2309	Sends an exti event to the client.	2893	Sends an ext event to the client.
2310		2894
2311	=cut	2895	=cut
2312		2896
2313	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2315		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2318	}	2924	}
2319		2925
2320	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2321		2927
2322	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		2931
2326	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	2933	become reliable at some point in the future.
2328		2934
2329	=cut	2935	=cut
2330		2936
2331	sub cf::client::query {	2937	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	2946	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		2948
2343	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2345	}	2953	}
2346		2954
2347	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2348	on_reply => sub {	2961	on_reply => sub {
2349	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2350		2963
2351	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2352	# get handled first	2965	# get handled first
…		…
2364	} else {	2977	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	2979	}
2367	}	2980	}
2368	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2369	);	3008	);
2370		3009
2371	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2372		3011
2373	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2414	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2416		3055
2417	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2418		3057
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2420		3063
2421	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2422		3065
2423	=pod	3066	=pod
2424		3067
2425	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2426		3069
2427	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2428	cf::object::player player	3074	cf::object::player
2429	cf::player peaceful	3075	player
2430	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2431		3082
2432	=cut	3083	=cut
2433		3084
2434	for (	3085	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2436	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2438	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2439	) {	3092	) {
2440	no strict 'refs';	3093	no strict 'refs';
…		…
2516	# the server's init and main functions	3169	# the server's init and main functions
2517		3170
2518	sub load_facedata($) {	3171	sub load_facedata($) {
2519	my ($path) = @_;	3172	my ($path) = @_;
2520		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3179
2521	warn "loading facedata from $path\n";	3180	warn "loading facedata from $path\n";
2522		3181
2523	my $facedata;	3182	my $facedata;
2524	0 < aio_load $path, $facedata	3183	0 < aio_load $path, $facedata
2525	or die "$path: $!";	3184	or die "$path: $!";
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3186	$facedata = Coro::Storable::thaw $facedata;
2528		3187
2529	$facedata->{version} == 2	3188	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
2532	{	3198	{
2533	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
2534		3200
2535	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540	Coro::cede;	3208
		3209	cf::cede_to_tick;
2541	}	3210	}
2542		3211
2543	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
2545	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
2546	or next;	3216	or next;
		3217
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3221	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3223	}
2552	Coro::cede;	3224
		3225	cf::cede_to_tick;
2553	}	3226	}
2554	}	3227	}
2555		3228
2556	{	3229	{
2557	my $anims = $facedata->{animinfo};	3230	my $anims = $facedata->{animinfo};
2558		3231
2559	while (my ($anim, $info) = each %$anims) {	3232	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3234	cf::cede_to_tick;
2562	}	3235	}
2563		3236
2564	cf::anim::invalidate_all; # d'oh	3237	cf::anim::invalidate_all; # d'oh
2565	}	3238	}
2566		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
2567	1	3275	1
2568	}	3276	}
2569		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
2570	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2571	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2573	}	3318	}
2574		3319
2575	sub reload_facedata {	3320	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
2578	}	3323	}
2579		3324
2580	sub reload_archetypes {	3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
2581	load_resource_file "$DATADIR/archetypes"	3331	load_resource_file "$DATADIR/archetypes"
2582	or die "unable to load archetypes\n";	3332	or die "unable to load archetypes\n";
2583	}	3333	}
2584		3334
2585	sub reload_treasures {	3335	sub reload_treasures {
…		…
2601		3351
2602	sub init {	3352	sub init {
2603	reload_resources;	3353	reload_resources;
2604	}	3354	}
2605		3355
2606	sub cfg_load {	3356	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3358	or return;
2609		3359
2610	local $/;	3360	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2612		3362
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3364
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2627	sub main {	3377	sub main {
2628	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3381	(async {
2632	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2634	};	3385	};
2635		3386
2636	cfg_load;	3387	reload_config;
2637	db_init;	3388	db_init;
2638	load_extensions;	3389	load_extensions;
2639		3390
2640	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2641	Event::loop;	3393	EV::loop;
2642	}	3394	}
2643		3395
2644	#############################################################################	3396	#############################################################################
2645	# initialisation and cleanup	3397	# initialisation and cleanup
2646		3398
2647	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2648	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2657	},
2658	);	3405	};
2659	}	3406	}
2660	}	3407	}
2661		3408
2662	sub write_runtime {	3409	sub write_runtime {
2663	my $runtime = "$LOCALDIR/runtime";	3410	my $runtime = "$LOCALDIR/runtime";
…		…
2693	and return;	3440	and return;
2694		3441
2695	warn "runtime file written.\n";	3442	warn "runtime file written.\n";
2696		3443
2697	1	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2698	}	3488	}
2699		3489
2700	sub emergency_save() {	3490	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2702		3492
…		…
2708	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3504	$pl->save;
2714	}	3505	}
2715	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2716		3507
2717	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2724		3515
2725	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2728	};	3523	};
2729		3524
2730	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2731	}	3526	}
2732		3527
…		…
2756	warn "syncing database to disk";	3551	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3553
2759	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2760		3555
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2767	for (;;) {	3557	for (;;) {
2768	BDB::flush;	3558	BDB::flush;
2769	IO::AIO::flush;	3559	IO::AIO::flush;
2770	Coro::cede;	3560	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3562	warn "iterate...";
2773	}	3563	}
2774		3564
2775	++$RELOAD;	3565	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3569	%EXT_CORO = ();
2780		3570
2781	warn "removing commands";	3571	warn "removing commands";
2782	%COMMAND = ();	3572	%COMMAND = ();
2783		3573
2784	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2786		3577
2787	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2790		3581
…		…
2833	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2834	require cf;	3625	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3627
2837	warn "loading config and database again";	3628	warn "loading config and database again";
2838	cf::cfg_load;	3629	cf::reload_config;
2839		3630
2840	warn "loading extensions";	3631	warn "loading extensions";
2841	cf::load_extensions;	3632	cf::load_extensions;
2842		3633
2843	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
…		…
2850	warn "leaving sync_job";	3641	warn "leaving sync_job";
2851		3642
2852	1	3643	1
2853	} or do {	3644	} or do {
2854	warn $@;	3645	warn $@;
2855	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3647	};
2858		3648
2859	warn "reloaded";	3649	warn "reloaded";
2860	};	3650	};
2861		3651
…		…
2863		3653
2864	sub reload_perl() {	3654	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3655	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3656	# coro crashes during coro_state_free->destroy here.
2867		3657
2868	$RELOAD_WATCHER ||= Event->timer (	3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3659	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3660	undef $RELOAD_WATCHER;
2875	},
2876	);	3661	};
2877	}	3662	}
2878		3663
2879	register_command "reload" => sub {	3664	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2881		3666
2882	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
		3669	async {
		3670	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3671	reload_perl;
		3672	};
2885	}	3673	}
2886	};	3674	};
2887		3675
2888	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2889		3677
…		…
2891		3679
2892	our @WAIT_FOR_TICK;	3680	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3681	our @WAIT_FOR_TICK_BEGIN;
2894		3682
2895	sub wait_for_tick {	3683	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;	3684	return if tick_inhibit;
2897	return if $Coro::current == $Coro::main;	3685	return if $Coro::current == $Coro::main;
2898		3686
2899	my $signal = new Coro::Signal;	3687	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3688	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3689	$signal->wait;
2902	}	3690	}
2903		3691
2904	sub wait_for_tick_begin {	3692	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;	3693	return if tick_inhibit;
2906	return if $Coro::current == $Coro::main;	3694	return if $Coro::current == $Coro::main;
2907		3695
2908	my $signal = new Coro::Signal;	3696	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3697	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3698	$signal->wait;
2911	}	3699	}
2912		3700
2913	my $min = 1e6;#d#	3701	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2925	return;	3705	return;
2926	}	3706	}
2927		3707
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2931		3709
2932	0 && sync_job {#d#	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3712	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3713	$Coro::current->{desc} = "runtime saver";
2936	or die;	3714	write_runtime
2937		3715	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3716	};
		3717	}
2954		3718
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3720	$sig->send;
2971	}	3721	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3722	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3723	$sig->send;
2974	}	3724	}
2975		3725
2976	$NOW = Event::time;	3726	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3728
2987	_post_tick;	3729	if (0) {
2988		3730	if ($NEXT_TICK) {
2989		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
2990	},	3735	}
2991	);	3736	}
2992		3737
2993	{	3738	{
2994	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3740
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
3004		3742	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3743	$Coro::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3744
3020	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3751
3023	cf::sync_job {	3752	cf::sync_job {
3024	eval {	3753	eval {
3025	BDB::db_env_open	3754	BDB::db_env_open
3026	$DB_ENV,	3755	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3759	0666;
3031		3760
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3762	};
3037		3763
3038	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3765	};
3040	}	3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
3041	}	3777	}
3042		3778
3043	{	3779	{
		3780	# configure IO::AIO
		3781
3044	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3784	$Coro::AIO::WATCHER->priority (1);
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3785	}
3057		3786
3058	my $_log_backtrace;	3787	my $_log_backtrace;
3059		3788
3060	sub _log_backtrace {	3789	sub _log_backtrace {
…		…
3064		3793
3065	# limit the # of concurrent backtraces	3794	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3795	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3796	++$_log_backtrace;
3068	async {	3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
3069	my @bt = fork_call {	3800	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3801	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3804	or die "addr2line: $!";

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