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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 1.419 by root, Sun Apr 13 01:34:09 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
…		…
1424	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1426		1777
1427	sub generate_random_map {	1778	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1429	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1784	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1523	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1524	return $self;	1878	return $self;
1525	}	1879	}
1526	}	1880	}
1527		1881
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1883	()
1530	}	1884	}
1531		1885
1532	sub init {	1886	sub init {
1533	my ($self) = @_;	1887	my ($self) = @_;
…		…
1555		1909
1556	# the temporary/swap location	1910	# the temporary/swap location
1557	sub save_path {	1911	sub save_path {
1558	my ($self) = @_;	1912	my ($self) = @_;
1559		1913
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1562	}	1916	}
1563		1917
1564	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1565	sub uniq_path {	1919	sub uniq_path {
1566	my ($self) = @_;	1920	my ($self) = @_;
1567		1921
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1570	}	1924	}
1571		1925
1572	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1573	# all maps in C++...	1927	# all maps in C++...
…		…
1596		1950
1597	sub load_header_from($) {	1951	sub load_header_from($) {
1598	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1599		1953
1600	utf8::encode $path;	1954	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1606		1963
1607	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1608		1965
1609	1	1966	1
1610	}	1967	}
…		…
1664	sub find {	2021	sub find {
1665	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1666		2023
1667	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1668		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1670		2028
1671	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1673	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1674	or return;	2034	or return;
1675		2035
1676	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1677		2037
…		…
1679	or return;	2039	or return;
1680		2040
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1684	$map->reset;	2046	$map->reset;
1685	undef $guard;
1686	return find $path;	2047	return find $path;
1687	}	2048	}
1688		2049
1689	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1690	}	2051	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1700		2061
1701	my $path = $self->{path};	2062	my $path = $self->{path};
1702		2063
1703	{	2064	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1705		2066
		2067	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2069
1708	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1709		2071
1710	$self->alloc;	2072	$self->alloc;
1711		2073
1712	$self->pre_load;	2074	$self->pre_load;
1713	Coro::cede;	2075	cf::cede_to_tick;
1714		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1716	or return;	2080	or return;
1717		2081
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1719	if delete $self->{load_original};	2083	if delete $self->{load_original};
1720		2084
1721	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2086	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2089	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1726	}	2093	}
1727	}	2094	}
1728		2095
1729	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1730	# now do the right thing for maps	2099	# now do the right thing for maps
1731	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2102	unless $self->difficulty;
1734	Coro::cede;	2103	cf::cede_to_tick;
1735		2104
1736	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2106	$self->decay_objects;
1738	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1739	$self->update_buttons;	2108	$self->update_buttons;
1740	Coro::cede;	2109	cf::cede_to_tick;
1741	$self->set_darkness_map;	2110	$self->set_darkness_map;
1742	Coro::cede;	2111	cf::cede_to_tick;
1743	$self->activate;	2112	$self->activate;
1744	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1745		2117
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1747	}	2119	}
1748		2120
1749	$self->post_load;	2121	$self->post_load;
…		…
1760		2132
1761	$self	2133	$self
1762	}	2134	}
1763		2135
1764	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2137	sub load_neighbours {
1766	my ($map) = @_;	2138	my ($map) = @_;
1767		2139
1768	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1769		2141
1770	for (0 .. 3) {	2142	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1772	or next;	2144	or next;
1773	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1774	or next;	2146	or next;
1775	$neigh->load;	2147	$neigh->load;
1776		2148
		2149	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2152	}
1780		2153
1781	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1783	or next;	2157	or next;
1784	$neigh->load;	2158	$neigh->load;
1785	}	2159	}
1786	}	2160	}
1787		2161
…		…
1792	}	2166	}
1793		2167
1794	sub do_load_sync {	2168	sub do_load_sync {
1795	my ($map) = @_;	2169	my ($map) = @_;
1796		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1797	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1798	}	2175	}
1799		2176
1800	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1802		2179
1803	sub find_async {	2180	sub find_async {
1804	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1805		2182
1806	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1807		2184
1808	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1810	}	2187	}
1811		2188
1812	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1813	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1814	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2196	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2197	$map->load if $v;
		2198	}
1819		2199
1820	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1821	}	2201	}
1822	}	2202	}
1823	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1824	};	2204	};
1825	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2208	}
1829		2209
1830	sub save {	2210	sub save {
1831	my ($self) = @_;	2211	my ($self) = @_;
1832		2212
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2214
1835	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1836		2216
1837	return unless $self->dirty;	2217	return unless $self->dirty;
1838		2218
…		…
1844	return if $self->{deny_save};	2224	return if $self->{deny_save};
1845		2225
1846	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1847		2227
1848	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1850	};	2231	};
1851		2232
1852	if ($uniq) {	2233	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1861	my ($self) = @_;	2242	my ($self) = @_;
1862		2243
1863	# save first because save cedes	2244	# save first because save cedes
1864	$self->save;	2245	$self->save;
1865		2246
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2248
1868	return if $self->players;	2249	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};	2251	return if $self->{deny_save};
1871		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2257	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2258	}
1875		2259
1876	sub reset_at {	2260	sub reset_at {
1877	my ($self) = @_;	2261	my ($self) = @_;
1878		2262
…		…
1910	if $uniq;	2294	if $uniq;
1911	}	2295	}
1912		2296
1913	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1914		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2301	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2302
1919	$self->unlink_save;	2303	$self->unlink_save;
1920	$self->destroy;	2304	$self->destroy;
1921	}	2305	}
1922		2306
1923	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1924		2308
1925	sub nuke {	2309	sub nuke {
1926	my ($self) = @_;	2310	my ($self) = @_;
1927		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1928	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1929		2316
1930	$self->unlink_save;	2317	$self->unlink_save;
1931		2318
1932	bless $self, "cf::map";	2319	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2324
1938	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1939		2327
1940	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
1941	}	2329	}
1942		2330
1943	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
1985		2373
1986	sub unique_maps() {	2374	sub unique_maps() {
1987	[	2375	[
1988	map {	2376	map {
1989	utf8::decode $_;	2377	utf8::decode $_;
1990	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
1991	? normalise $_	2381	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2383	]
1995	}	2384	}
1996		2385
1997	package cf;
1998
1999	=back	2386	=back
2000		2387
2001	=head3 cf::object	2388	=head3 cf::object
2002		2389
2003	=cut	2390	=cut
…		…
2006		2393
2007	=over 4	2394	=over 4
2008		2395
2009	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2010		2397
2011	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
2012		2400
2013	=cut	2401	=cut
2014		2402
2015	sub inv_recursive_;	2403	sub inv_recursive_;
2016	sub inv_recursive_ {	2404	sub inv_recursive_ {
2017	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
2018	}	2406	}
2019		2407
2020	sub inv_recursive {	2408	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
2022	}	2438	}
2023		2439
2024	package cf;	2440	package cf;
2025		2441
2026	=back	2442	=back
…		…
2045		2461
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2463
2048	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
2050	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
2053	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
2054	}	2489	}
2055		2490
2056	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
2057		2492
2058	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2137	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2140		2575
2141	$map->load;	2576	$map->load;
2142	$map->load_diag;	2577	$map->load_neighbours;
2143		2578
2144	return unless $self->contr->active;	2579	return unless $self->contr->active;
2145	$self->activate_recursive;	2580	$self->activate_recursive;
2146		2581
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
2149	}	2584	}
2150		2585
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152		2587
2153	Moves the player to the given map-path and coordinates by first freezing	2588	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	2589	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	2590	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2591	the new (success) or old (failed) map position. In either case, $done will
		2592	be called at the end of this process.
2157		2593
2158	=cut	2594	=cut
2159		2595
2160	our $GOTOGEN;	2596	our $GOTOGEN;
2161		2597
2162	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
2164		2600
2165	# do generation counting so two concurrent goto's will be executed in-order	2601	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2603
2168	$self->enter_link;	2604	$self->enter_link;
2169		2605
2170	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2171	my $map = eval {	2628	my $map = eval {
2172	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2173		2630
2174	if ($map) {	2631	if ($map) {
2175	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2177	} else {	2634	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2636	}
2180		2637
2181	$map	2638	$map
2182	};	2639	};
2183		2640
…		…
2188		2645
2189	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2192	}	2649	}
		2650
		2651	$done->() if $done;
2193	})->prio (1);	2652	})->prio (1);
2194	}	2653	}
2195		2654
2196	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2197		2656
…		…
2234	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2235	}	2694	}
2236		2695
2237	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2238		2697
2239	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2240	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2242		2701
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2266	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2268		2727
2269	$self->enter_link;	2728	$self->enter_link;
2270		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2271	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2272	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2273	unless (eval {	2738	unless (eval {
2274	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2275		2740
2276	1;	2741	1;
…		…
2302		2767
2303	utf8::encode $text;	2768	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2770	}
2306		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2307	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2308		2897
2309	Sends an exti event to the client.	2898	Sends an ext event to the client.
2310		2899
2311	=cut	2900	=cut
2312		2901
2313	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2315		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2318	}	2929	}
2319		2930
2320	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2321		2932
2322	Queues a query to the client, calling the given callback with	2933	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>,	2934	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>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		2936
2326	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	2938	become reliable at some point in the future.
2328		2939
2329	=cut	2940	=cut
2330		2941
2331	sub cf::client::query {	2942	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	2951	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		2953
2343	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2345	}	2958	}
2346		2959
2347	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2348	on_reply => sub {	2966	on_reply => sub {
2349	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2350		2968
2351	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2352	# get handled first	2970	# get handled first
…		…
2364	} else {	2982	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	2984	}
2367	}	2985	}
2368	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2369	);	3013	);
2370		3014
2371	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2372		3016
2373	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2414	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2416		3060
2417	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2418		3062
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2420		3068
2421	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2422		3070
2423	=pod	3071	=pod
2424		3072
2425	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2426		3074
2427	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2428	cf::object::player player	3079	cf::object::player
2429	cf::player peaceful	3080	player
2430	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2431		3087
2432	=cut	3088	=cut
2433		3089
2434	for (	3090	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2436	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2438	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2439	) {	3097	) {
2440	no strict 'refs';	3098	no strict 'refs';
…		…
2516	# the server's init and main functions	3174	# the server's init and main functions
2517		3175
2518	sub load_facedata($) {	3176	sub load_facedata($) {
2519	my ($path) = @_;	3177	my ($path) = @_;
2520		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3184
2521	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2522		3186
2523	my $facedata;	3187	my $facedata;
2524	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
2525	or die "$path: $!";	3189	or die "$path: $!";
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2528		3192
2529	$facedata->{version} == 2	3193	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2532	{	3203	{
2533	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2534		3205
2535	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540	Coro::cede;	3213
		3214	cf::cede_to_tick;
2541	}	3215	}
2542		3216
2543	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2545	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2546	or next;	3221	or next;
		3222
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3226	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3228	}
2552	Coro::cede;	3229
		3230	cf::cede_to_tick;
2553	}	3231	}
2554	}	3232	}
2555		3233
2556	{	3234	{
2557	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2558		3236
2559	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3239	cf::cede_to_tick;
2562	}	3240	}
2563		3241
2564	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2565	}	3243	}
2566		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2567	1	3280	1
2568	}	3281	}
2569		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2570	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2571	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2573	}	3323	}
2574		3324
2575	sub reload_facedata {	3325	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2578	}	3328	}
2579		3329
2580	sub reload_archetypes {	3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
2581	load_resource_file "$DATADIR/archetypes"	3336	load_resource_file "$DATADIR/archetypes"
2582	or die "unable to load archetypes\n";	3337	or die "unable to load archetypes\n";
2583	}	3338	}
2584		3339
2585	sub reload_treasures {	3340	sub reload_treasures {
…		…
2601		3356
2602	sub init {	3357	sub init {
2603	reload_resources;	3358	reload_resources;
2604	}	3359	}
2605		3360
2606	sub cfg_load {	3361	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3363	or return;
2609		3364
2610	local $/;	3365	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2612		3367
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3369
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$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};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2627	sub main {	3382	sub main {
2628	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3386	(async {
2632	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2634	};	3390	};
2635		3391
2636	cfg_load;	3392	reload_config;
2637	db_init;	3393	db_init;
2638	load_extensions;	3394	load_extensions;
2639		3395
2640	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2641	Event::loop;	3398	EV::loop;
2642	}	3399	}
2643		3400
2644	#############################################################################	3401	#############################################################################
2645	# initialisation and cleanup	3402	# initialisation and cleanup
2646		3403
2647	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2648	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3408	$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";	3409	cf::cleanup "SIG$signal";
2657	},
2658	);	3410	};
2659	}	3411	}
2660	}	3412	}
2661		3413
2662	sub write_runtime {	3414	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
2664		3416
2665	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
2667		3419
…		…
2693	and return;	3445	and return;
2694		3446
2695	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
2696		3448
2697	1	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2698	}	3493	}
2699		3494
2700	sub emergency_save() {	3495	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2702		3497
…		…
2708	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3509	$pl->save;
2714	}	3510	}
2715	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2716		3512
2717	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2724		3520
2725	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2728	};	3528	};
2729		3529
2730	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2731	}	3531	}
2732		3532
…		…
2747	warn "reloading...";	3547	warn "reloading...";
2748		3548
2749	warn "entering sync_job";	3549	warn "entering sync_job";
2750		3550
2751	cf::sync_job {	3551	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3553	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2755		3555
2756	warn "syncing database to disk";	3556	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3558
2759	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765		3560
2766	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2767	for (;;) {	3562	for (;;) {
2768	BDB::flush;	3563	BDB::flush;
2769	IO::AIO::flush;	3564	IO::AIO::flush;
2770	Coro::cede;	3565	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3567	warn "iterate...";
2773	}	3568	}
2774		3569
2775	++$RELOAD;	3570	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3574	%EXT_CORO = ();
2780		3575
2781	warn "removing commands";	3576	warn "removing commands";
2782	%COMMAND = ();	3577	%COMMAND = ();
2783		3578
2784	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2786		3582
2787	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2790		3586
…		…
2833	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2834	require cf;	3630	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3632
2837	warn "loading config and database again";	3633	warn "loading config and database again";
2838	cf::cfg_load;	3634	cf::reload_config;
2839		3635
2840	warn "loading extensions";	3636	warn "loading extensions";
2841	cf::load_extensions;	3637	cf::load_extensions;
2842		3638
2843	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2850	warn "leaving sync_job";	3646	warn "leaving sync_job";
2851		3647
2852	1	3648	1
2853	} or do {	3649	} or do {
2854	warn $@;	3650	warn $@;
2855	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3652	};
2858		3653
2859	warn "reloaded";	3654	warn "reloaded";
2860	};	3655	};
2861		3656
…		…
2863		3658
2864	sub reload_perl() {	3659	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2867		3662
2868	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3664	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2875	},
2876	);	3666	};
2877	}	3667	}
2878		3668
2879	register_command "reload" => sub {	3669	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2881		3671
2882	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3676	reload_perl;
		3677	};
2885	}	3678	}
2886	};	3679	};
2887		3680
2888	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2889		3682
…		…
2891		3684
2892	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2894		3687
2895	sub wait_for_tick {	3688	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2897	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2898		3691
2899	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3694	$signal->wait;
2902	}	3695	}
2903		3696
2904	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2906	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2907		3700
2908	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3703	$signal->wait;
2911	}	3704	}
2912		3705
2913	my $min = 1e6;#d#	3706	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 != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2925	return;	3710	return;
2926	}	3711	}
2927		3712
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2931		3714
2932	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3717	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
2936	or die;	3719	write_runtime_sync
2937		3720	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	};	3721	};
		3722	}
2954		3723
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) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3725	$sig->send;
2971	}	3726	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3728	$sig->send;
2974	}	3729	}
2975		3730
2976	$NOW = Event::time;	3731	$LOAD = ($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;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3733
2987	_post_tick;	3734	if (0) {
2988		3735	if ($NEXT_TICK) {
2989		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
2990	},	3740	}
2991	);	3741	}
2992		3742
2993	{	3743	{
2994	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3745
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;	3746	BDB::min_parallel 8;
3004		3747	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3748	$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	$! = $status;
3016	},
3017	)
3018	};
3019		3749
3020	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3756
3023	cf::sync_job {	3757	cf::sync_job {
3024	eval {	3758	eval {
3025	BDB::db_env_open	3759	BDB::db_env_open
3026	$DB_ENV,	3760	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3764	0666;
3031		3765
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($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	};	3767	};
3037		3768
3038	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3770	};
3040	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3041	}	3782	}
3042		3783
3043	{	3784	{
		3785	# configure IO::AIO
		3786
3044	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3789	$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	}	3790	}
3057		3791
3058	my $_log_backtrace;	3792	my $_log_backtrace;
3059		3793
3060	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3064		3798
3065	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3801	++$_log_backtrace;
3068	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3069	my @bt = fork_call {	3805	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3809	or die "addr2line: $!";

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