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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.283 by root, Sun Jun 24 04:09:29 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 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);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}
440	}	552	}
441		553
442	=item $value = cf::db_get $family => $key	554	=item $value = cf::db_get $family => $key
443		555
444	Returns a single value from the environment database.	556	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	558	=item cf::db_put $family => $key => $value
447		559
448	Stores the given C<$value> in the family. It can currently store binary	560	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).	561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
451	=cut	568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
452		586
453	our $DB;	587	our $DB;
454		588
455	sub db_init {	589	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	590	cf::sync_job {
460	eval {	591	$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	}	592	};
470	}	593	}
471		594
472	sub db_get($$) {	595	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	596	my $key = "$_[0]/$_[1]";
474		597
…		…
524	if (1) {	647	if (1) {
525	$md5 =	648	$md5 =
526	join "\x00",	649	join "\x00",
527	$processversion,	650	$processversion,
528	map {	651	map {
529	Coro::cede;	652	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	653	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	654	} 0.. $#$src;
532		655
533		656
534	my $dbmd5 = db_get cache => "$id/md5";	657	my $dbmd5 = db_get cache => "$id/md5";
…		…
578	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
580		703
581	In the following description, CLASS can be any of C<global>, C<object>	704	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	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	706	Deliantra).
584		707
585	=over 4	708	=over 4
586		709
587	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
588		711
…		…
840	";	963	";
841	die if $@;	964	die if $@;
842	}	965	}
843		966
844	our $override;	967	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		969
847	sub override {	970	sub override {
848	$override = 1;	971	$override = 1;
849	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
850	}	973	}
851		974
852	sub do_invoke {	975	sub do_invoke {
853	my $event = shift;	976	my $event = shift;
854	my $callbacks = shift;	977	my $callbacks = shift;
855		978
856	@invoke_results = ();	979	@INVOKE_RESULTS = ();
857		980
858	local $override;	981	local $override;
859		982
860	for (@$callbacks) {	983	for (@$callbacks) {
861	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
870	}	993	}
871		994
872	0	995	0
873	}	996	}
874		997
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		999
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1001
879	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
880		1003
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	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	1005	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1007
885	=back	1008	=back
886		1009
887	=cut	1010	=cut
888		1011
889	#############################################################################	1012	#############################################################################
890	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
891		1056
892	sub reattach {	1057	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1059	my ($obj) = @_;
895		1060
…		…
916	cf::attachable->attach (	1081	cf::attachable->attach (
917	prio => -1000000,	1082	prio => -1000000,
918	on_instantiate => sub {	1083	on_instantiate => sub {
919	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
920		1085
921	$data = from_json $data;	1086	$data = decode_json $data;
922		1087
923	for (@$data) {	1088	for (@$data) {
924	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
925		1090
926	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1107	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
944		1109
945	sync_job {	1110	sync_job {
946	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
949		1115
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1120	close $fh;
955		1121
956	if (@$objs) {	1122	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1128	close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
964	}	1130	}
…		…
972	}	1138	}
973	} else {	1139	} else {
974	aio_unlink $filename;	1140	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
976	}	1142	}
977	}	1143	};
978	}	1144	}
979		1145
980	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
982		1148
…		…
994	or return;	1160	or return;
995		1161
996	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
998	or return;	1164	or return;
		1165
999	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
1000	}	1168	}
1001		1169
		1170	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1172	$decname, length $data, scalar @{$av || []};
		1173
1004	return ($data, $av);	1174	($data, $av)
1005	}	1175	}
1006		1176
1007	=head2 COMMAND CALLBACKS	1177	=head2 COMMAND CALLBACKS
1008		1178
1009	=over 4	1179	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1200	}
1031		1201
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1203
1034	Register a callback fro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
1035		1209
1036	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
1037	called.	1211	called.
1038		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
1039	=cut	1224	=cut
1040		1225
1041	sub register_extcmd {	1226	sub register_extcmd {
1042	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
1043		1228
1044	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
1045	}	1236	}
1046		1237
1047	cf::player->attach (	1238	cf::player->attach (
1048	on_command => sub {	1239	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1249	cf::override;
1059	},	1250	},
1060	on_extcmd => sub {	1251	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
1062		1253
1063	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1255
1065	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
1071	} else {	1271	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1273	}
1074		1274
1075	cf::override;	1275	cf::override;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1328	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1329	: "$v->{base}: extension inactive.\n";
1130		1330
1131	if (exists $v->{meta}{mandatory}) {	1331	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1332	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1333	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1334	}
1136		1335
1137	warn $msg;	1336	warn $msg;
1138	}	1337	}
1139		1338
…		…
1164	use Coro::AIO;	1363	use Coro::AIO;
1165		1364
1166	=head3 cf::player	1365	=head3 cf::player
1167		1366
1168	=over 4	1367	=over 4
		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
1169		1382
1170	=item cf::player::find $login	1383	=item cf::player::find $login
1171		1384
1172	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1173		1386
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1426
1214	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1217	}	1435	}
1218	}	1436	}
1219	}	1437	}
1220		1438
…		…
1230		1448
1231	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1233		1451
1234	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1235	Coro::cede;	1453	cf::cede_to_tick;
1236	}	1454	}
1237		1455
1238	sub new($) {	1456	sub new($) {
1239	my ($login) = @_;	1457	my ($login) = @_;
1240		1458
…		…
1244	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1245		1463
1246	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1247		1465
1248	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1249	}	1477	}
1250		1478
1251	=item $pl->quit_character	1479	=item $pl->quit_character
1252		1480
1253	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1308	or return [];	1536	or return [];
1309		1537
1310	my @logins;	1538	my @logins;
1311		1539
1312	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1316		1549
1317	utf8::decode $login;	1550	utf8::decode $login;
1318	push @logins, $login;	1551	push @logins, $login;
1319	}	1552	}
1320		1553
…		…
1353		1586
1354	Expand crossfire pod fragments into protocol xml.	1587	Expand crossfire pod fragments into protocol xml.
1355		1588
1356	=cut	1589	=cut
1357		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
1358	sub expand_cfpod {	1602	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;	1603	my ($self, $pod) = @_;
1360		1604
1361	# escape & and <	1605	my $xml;
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364		1606
1365	# this is buggy, it needs to properly take care of nested <'s	1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
1366		1610
1367	1 while	1611	$group =~ s/&/&amp;/g;
1368	# replace B<>, I<>, U<> etc.	1612	$group =~ s/</&lt;/g;
1369	s/B<([^\>]*)>/<b>$1<\/b>/	1613
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/	1614	$xml .= $group;
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/	1615	} elsif ($pod =~ m%\G
1372	# replace G<male|female> tags	1616	([BCGHITU])
1373	|| s{G<([^>|]*)\|([^>]*)>}{	1617	<
1374	$self->gender ? $2 : $1	1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
1375	}ge	1654	}
1376	# replace H<hint text>	1655	}
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378		1656
		1657	for ($xml) {
1379	# create single paragraphs (very hackish)	1658	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;	1659	s/(?<=\S)\n(?=\w)/ /g;
1381		1660
1382	$_	1661	# compress some whitespace
1383	}	1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
1384		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1385	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1386		1679
1387	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1388		1681
1389	=cut	1682	=cut
1390		1683
1391	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1393		1686
1394	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1688	}
1398		1689
1399	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1400		1691
1401	Sends an ext event to the client.	1692	Sends an ext event to the client.
1402		1693
1403	=cut	1694	=cut
1404		1695
1405	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1407		1698
1408	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1409	}	1700	}
1410		1701
1411	=head3 cf::region	1702	=head3 cf::region
1412		1703
1413	=over 4	1704	=over 4
…		…
1426	my ($path) = @_;	1717	my ($path) = @_;
1427		1718
1428	my ($match, $specificity);	1719	my ($match, $specificity);
1429		1720
1430	for my $region (list) {	1721	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1434	}	1725	}
1435	}	1726	}
1436		1727
…		…
1556	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1557	return $self;	1848	return $self;
1558	}	1849	}
1559	}	1850	}
1560		1851
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1853	()
1563	}	1854	}
1564		1855
1565	sub init {	1856	sub init {
1566	my ($self) = @_;	1857	my ($self) = @_;
…		…
1629		1920
1630	sub load_header_from($) {	1921	sub load_header_from($) {
1631	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1632		1923
1633	utf8::encode $path;	1924	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1639		1933
1640	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1641		1935
1642	1	1936	1
1643	}	1937	}
…		…
1697	sub find {	1991	sub find {
1698	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1699		1993
1700	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1701		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1703		1998
1704	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1706	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1707	or return;	2004	or return;
1708		2005
1709	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1710		2007
…		…
1712	or return;	2009	or return;
1713		2010
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1717	$map->reset;	2016	$map->reset;
1718	undef $guard;
1719	return find $path;	2017	return find $path;
1720	}	2018	}
1721		2019
1722	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1723	}	2021	}
…		…
1732	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1733		2031
1734	my $path = $self->{path};	2032	my $path = $self->{path};
1735		2033
1736	{	2034	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1738		2036
		2037	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2039
1741	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1742		2041
1743	$self->alloc;	2042	$self->alloc;
1744		2043
1745	$self->pre_load;	2044	$self->pre_load;
1746	Coro::cede;	2045	cf::cede_to_tick;
1747		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1749	or return;	2050	or return;
1750		2051
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1752	if delete $self->{load_original};	2053	if delete $self->{load_original};
1753		2054
1754	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2056	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2059	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1759	}	2063	}
1760	}	2064	}
1761		2065
1762	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1763	# now do the right thing for maps	2069	# now do the right thing for maps
1764	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2072	unless $self->difficulty;
1767	Coro::cede;	2073	cf::cede_to_tick;
1768		2074
1769	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2076	$self->decay_objects;
1771	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1772	$self->update_buttons;	2078	$self->update_buttons;
1773	Coro::cede;	2079	cf::cede_to_tick;
1774	$self->set_darkness_map;	2080	$self->set_darkness_map;
1775	Coro::cede;	2081	cf::cede_to_tick;
1776	$self->activate;	2082	$self->activate;
1777	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1778		2087
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1780	}	2089	}
1781		2090
1782	$self->post_load;	2091	$self->post_load;
…		…
1793		2102
1794	$self	2103	$self
1795	}	2104	}
1796		2105
1797	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2107	sub load_neighbours {
1799	my ($map) = @_;	2108	my ($map) = @_;
1800		2109
1801	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1802		2111
1803	for (0 .. 3) {	2112	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1805	or next;	2114	or next;
1806	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1807	or next;	2116	or next;
1808	$neigh->load;	2117	$neigh->load;
1809		2118
		2119	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2122	}
1813		2123
1814	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1816	or next;	2127	or next;
1817	$neigh->load;	2128	$neigh->load;
1818	}	2129	}
1819	}	2130	}
1820		2131
…		…
1825	}	2136	}
1826		2137
1827	sub do_load_sync {	2138	sub do_load_sync {
1828	my ($map) = @_;	2139	my ($map) = @_;
1829		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1830	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1831	}	2145	}
1832		2146
1833	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1835		2149
1836	sub find_async {	2150	sub find_async {
1837	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1838		2152
1839	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1840		2154
1841	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1843	}	2157	}
1844		2158
1845	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1846	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1847	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2166	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2167	$map->load if $v;
		2168	}
1852		2169
1853	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1854	}	2171	}
1855	}	2172	}
1856	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1857	};	2174	};
1858	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1861	}	2178	}
1862		2179
1863	sub save {	2180	sub save {
1864	my ($self) = @_;	2181	my ($self) = @_;
1865		2182
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2184
1868	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1869		2186
1870	return unless $self->dirty;	2187	return unless $self->dirty;
1871		2188
…		…
1877	return if $self->{deny_save};	2194	return if $self->{deny_save};
1878		2195
1879	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1880		2197
1881	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1883	};	2201	};
1884		2202
1885	if ($uniq) {	2203	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1894	my ($self) = @_;	2212	my ($self) = @_;
1895		2213
1896	# save first because save cedes	2214	# save first because save cedes
1897	$self->save;	2215	$self->save;
1898		2216
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2218
1901	return if $self->players;	2219	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};	2221	return if $self->{deny_save};
1904		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1905	$self->clear;	2227	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2228	}
1908		2229
1909	sub reset_at {	2230	sub reset_at {
1910	my ($self) = @_;	2231	my ($self) = @_;
1911		2232
…		…
1943	if $uniq;	2264	if $uniq;
1944	}	2265	}
1945		2266
1946	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1947		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2271	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2272
1952	$self->unlink_save;	2273	$self->unlink_save;
1953	$self->destroy;	2274	$self->destroy;
1954	}	2275	}
1955		2276
1956	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1957		2278
1958	sub nuke {	2279	sub nuke {
1959	my ($self) = @_;	2280	my ($self) = @_;
1960		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1961	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1962		2286
1963	$self->unlink_save;	2287	$self->unlink_save;
1964		2288
1965	bless $self, "cf::map";	2289	bless $self, "cf::map";
1966	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2294
1971	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1972		2297
1973	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
1974	}	2299	}
1975		2300
1976	=item $maps = cf::map::tmp_maps	2301	=item $maps = cf::map::tmp_maps
…		…
2052		2377
2053	sub inv_recursive {	2378	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
2055	}	2380	}
2056		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
		2408	}
		2409
2057	package cf;	2410	package cf;
2058		2411
2059	=back	2412	=back
2060		2413
2061	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
2083		2436
2084	} else {	2437	} else {
2085	my $pl = $self->contr;	2438	my $pl = $self->contr;
2086		2439
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2441	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2443
2096	} else {	2444	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
2099	}	2447	}
2100	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
2101	}	2459	}
2102		2460
2103	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
2104		2462
2105	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
2184	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
2187		2545
2188	$map->load;	2546	$map->load;
2189	$map->load_diag;	2547	$map->load_neighbours;
2190		2548
2191	return unless $self->contr->active;	2549	return unless $self->contr->active;
2192	$self->activate_recursive;	2550	$self->activate_recursive;
2193		2551
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
2196	}	2554	}
2197		2555
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199		2557
2200	Moves the player to the given map-path and coordinates by first freezing	2558	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2559	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2560	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2561	the new (success) or old (failed) map position. In either case, $done will
		2562	be called at the end of this process.
2204		2563
2205	=cut	2564	=cut
2206		2565
2207	our $GOTOGEN;	2566	our $GOTOGEN;
2208		2567
2209	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
2211		2570
2212	# do generation counting so two concurrent goto's will be executed in-order	2571	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2573
2215	$self->enter_link;	2574	$self->enter_link;
2216		2575
2217	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
2218	my $map = eval {	2598	my $map = eval {
2219	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2220		2600
2221	if ($map) {	2601	if ($map) {
2222	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2224	} else {	2604	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2606	}
2227		2607
2228	$map	2608	$map
2229	};	2609	};
2230		2610
…		…
2235		2615
2236	if ($gen == $self->{_goto_generation}) {	2616	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2617	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
2239	}	2619	}
		2620
		2621	$done->() if $done;
2240	})->prio (1);	2622	})->prio (1);
2241	}	2623	}
2242		2624
2243	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
2244		2626
…		…
2281	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2282	}	2664	}
2283		2665
2284	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2285		2667
2286	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2287	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2289		2671
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2313	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2315		2697
2316	$self->enter_link;	2698	$self->enter_link;
2317		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
2318	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2319	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2320	unless (eval {	2708	unless (eval {
2321	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2322		2710
2323	1;	2711	1;
…		…
2349		2737
2350	utf8::encode $text;	2738	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2740	}
2353		2741
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2743
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2360		2748
2361	=cut	2749	=cut
2362		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
2363	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2365		2805
2366	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg);
2367		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
2368	if ($self->can_msg) {	2832	if ($self->can_msg) {
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);	2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2370	} else {	2839	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380
2381	if ($color >= 0) {	2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
2382	if ($msg =~ /\[/) {	2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2384	} else {	2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2385	$self->send_packet ("drawinfo $color $msg")	2860	$self->send_packet ("drawinfo $color $msg")
2386	}	2861	}
2387	}	2862	}
2388	}	2863	}
2389	}	2864	}
2390		2865
2391	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2392		2867
2393	Sends an exti event to the client.	2868	Sends an ext event to the client.
2394		2869
2395	=cut	2870	=cut
2396		2871
2397	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2398	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2399		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2400	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2401	$self->send_packet ("ext " . cf::to_json \%msg);	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
2402	}	2899	}
2403		2900
2404	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2405		2902
2406	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2408	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2409		2906
2410	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2411	reliable at some point in the future.	2908	become reliable at some point in the future.
2412		2909
2413	=cut	2910	=cut
2414		2911
2415	sub cf::client::query {	2912	sub cf::client::query {
2416	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2424	utf8::encode $text;	2921	utf8::encode $text;
2425	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2426		2923
2427	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2428	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2429	}	2928	}
2430		2929
2431	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2432	on_reply => sub {	2936	on_reply => sub {
2433	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2434		2938
2435	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2436	# get handled first	2940	# get handled first
…		…
2448	} else {	2952	} else {
2449	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2450	}	2954	}
2451	}	2955	}
2452	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2453	);	2983	);
2454		2984
2455	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2456		2986
2457	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2498	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2499	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2500		3030
2501	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2502		3032
2503	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2504		3038
2505	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2506		3040
2507	=pod	3041	=pod
2508		3042
2509	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2510		3044
2511	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2512	cf::object::player player	3049	cf::object::player
2513	cf::player peaceful	3050	player
2514	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2515		3057
2516	=cut	3058	=cut
2517		3059
2518	for (	3060	for (
2519	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2520	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2521	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2522	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2523	) {	3067	) {
2524	no strict 'refs';	3068	no strict 'refs';
…		…
2600	# the server's init and main functions	3144	# the server's init and main functions
2601		3145
2602	sub load_facedata($) {	3146	sub load_facedata($) {
2603	my ($path) = @_;	3147	my ($path) = @_;
2604		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3154
2605	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2606		3156
2607	my $facedata;	3157	my $facedata;
2608	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
2609	or die "$path: $!";	3159	or die "$path: $!";
…		…
2611	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2612		3162
2613	$facedata->{version} == 2	3163	$facedata->{version} == 2
2614	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2615		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2616	{	3173	{
2617	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2618		3175
2619	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2624	Coro::cede;	3183
		3184	cf::cede_to_tick;
2625	}	3185	}
2626		3186
2627	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2628	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2629	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2630	or next;	3191	or next;
		3192
2631	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2633	} else {	3196	} else {
2634	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2635	}	3198	}
2636	Coro::cede;	3199
		3200	cf::cede_to_tick;
2637	}	3201	}
2638	}	3202	}
2639		3203
2640	{	3204	{
2641	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2642		3206
2643	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2644	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2645	Coro::cede;	3209	cf::cede_to_tick;
2646	}	3210	}
2647		3211
2648	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2649	}	3213	}
2650		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
2651	1	3250	1
2652	}	3251	}
2653		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
2654	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2655	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2656	or die "unable to load regions file\n";	3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
2657	}	3293	}
2658		3294
2659	sub reload_facedata {	3295	sub reload_facedata {
2660	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2661	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2662	}	3298	}
2663		3299
2664	sub reload_archetypes {	3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
2665	load_resource_file "$DATADIR/archetypes"	3306	load_resource_file "$DATADIR/archetypes"
2666	or die "unable to load archetypes\n";	3307	or die "unable to load archetypes\n";
2667	}	3308	}
2668		3309
2669	sub reload_treasures {	3310	sub reload_treasures {
…		…
2685		3326
2686	sub init {	3327	sub init {
2687	reload_resources;	3328	reload_resources;
2688	}	3329	}
2689		3330
2690	sub cfg_load {	3331	sub reload_config {
2691	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2692	or return;	3333	or return;
2693		3334
2694	local $/;	3335	local $/;
2695	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2696		3337
2697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2698		3339
2699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2711	sub main {	3352	sub main {
2712	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2713	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2715	(async {	3356	(async {
2716	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2717	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2718	};	3360	};
2719		3361
2720	cfg_load;	3362	reload_config;
2721	db_init;	3363	db_init;
2722	load_extensions;	3364	load_extensions;
2723		3365
2724	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2725	Event::loop;	3368	EV::loop;
2726	}	3369	}
2727		3370
2728	#############################################################################	3371	#############################################################################
2729	# initialisation and cleanup	3372	# initialisation and cleanup
2730		3373
2731	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2732	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2733	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2734	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2735	reentrant => 0,
2736	data => WF_AUTOCANCEL,
2737	signal => $signal,
2738	prio => 0,
2739	cb => sub {
2740	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2741	},
2742	);	3380	};
2743	}	3381	}
2744	}	3382	}
2745		3383
2746	sub write_runtime {	3384	sub write_runtime {
2747	my $runtime = "$LOCALDIR/runtime";	3385	my $runtime = "$LOCALDIR/runtime";
…		…
2792	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2793	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2794	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2795	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2796	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2797	$pl->save;	3436	$pl->save;
2798	}	3437	}
2799	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2800		3439
2801	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2840	warn "syncing database to disk";	3479	warn "syncing database to disk";
2841	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2842		3481
2843	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2844		3483
2845	warn "cancelling all WF_AUTOCANCEL watchers";
2846	for (Event::all_watchers) {
2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2848	}
2849
2850	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2851	for (;;) {	3485	for (;;) {
2852	BDB::flush;	3486	BDB::flush;
2853	IO::AIO::flush;	3487	IO::AIO::flush;
2854	Coro::cede;	3488	Coro::cede_notself;
2855	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2856	warn "iterate...";	3490	warn "iterate...";
2857	}	3491	}
2858		3492
2859	++$RELOAD;	3493	++$RELOAD;
…		…
2863	%EXT_CORO = ();	3497	%EXT_CORO = ();
2864		3498
2865	warn "removing commands";	3499	warn "removing commands";
2866	%COMMAND = ();	3500	%COMMAND = ();
2867		3501
2868	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2869	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2870		3505
2871	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2872	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2873	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2874		3509
…		…
2917	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2918	require cf;	3553	require cf;
2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2920		3555
2921	warn "loading config and database again";	3556	warn "loading config and database again";
2922	cf::cfg_load;	3557	cf::reload_config;
2923		3558
2924	warn "loading extensions";	3559	warn "loading extensions";
2925	cf::load_extensions;	3560	cf::load_extensions;
2926		3561
2927	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2934	warn "leaving sync_job";	3569	warn "leaving sync_job";
2935		3570
2936	1	3571	1
2937	} or do {	3572	} or do {
2938	warn $@;	3573	warn $@;
2939	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2940	exit 1;
2941	};	3575	};
2942		3576
2943	warn "reloaded";	3577	warn "reloaded";
2944	};	3578	};
2945		3579
…		…
2947		3581
2948	sub reload_perl() {	3582	sub reload_perl() {
2949	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2950	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2951		3585
2952	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2953	reentrant => 0,
2954	after => 0,
2955	data => WF_AUTOCANCEL,
2956	cb => sub {
2957	do_reload_perl;	3587	do_reload_perl;
2958	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2959	},
2960	);	3589	};
2961	}	3590	}
2962		3591
2963	register_command "reload" => sub {	3592	register_command "reload" => sub {
2964	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2965		3594
2966	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2967	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2968	async { reload_perl };	3599	reload_perl;
		3600	};
2969	}	3601	}
2970	};	3602	};
2971		3603
2972	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2973		3605
…		…
2975		3607
2976	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2977	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2978		3610
2979	sub wait_for_tick {	3611	sub wait_for_tick {
2980	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2981	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2982		3614
2983	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2984	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2985	$signal->wait;	3617	$signal->wait;
2986	}	3618	}
2987		3619
2988	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2989	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2990	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2991		3623
2992	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2993	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2994	$signal->wait;	3626	$signal->wait;
2995	}	3627	}
2996		3628
2997	my $min = 1e6;#d#	3629	sub tick {
2998	my $avg = 10;
2999	$TICK_WATCHER = Event->timer (
3000	reentrant => 0,
3001	parked => 1,
3002	prio => 0,
3003	at => $NEXT_TICK || $TICK,
3004	data => WF_AUTOCANCEL,
3005	cb => sub {
3006	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3008	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
3009	return;	3633	return;
3010	}	3634	}
3011		3635
3012	$NOW = $tick_start = Event::time;
3013
3014	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
3015		3637
3016	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3017	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3018	my $t = Event::time;	3640	Coro::async_pool {
3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
3020	or die;	3642	write_runtime
3021		3643	or warn "ERROR: unable to write runtime file: $!";
3022	$map->width (50);
3023	$map->height (50);
3024	$map->alloc;
3025	$map->_load_objects ("/tmp/x.map", 1);
3026	my $t = Event::time - $t;
3027
3028	#next unless $t < 0.0013;#d#
3029	if ($t < $min) {
3030	$min = $t;
3031	}
3032	$avg = $avg * 0.99 + $t * 0.01;
3033	}
3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3035	exit 0;
3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3037	};	3644	};
		3645	}
3038		3646
3039	$RUNTIME += $TICK;
3040	$NEXT_TICK += $TICK;
3041
3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
3044	Coro::async_pool {
3045	write_runtime
3046	or warn "ERROR: unable to write runtime file: $!";
3047	};
3048	}
3049
3050	# my $AFTER = Event::time;
3051	# warn $AFTER - $NOW;#d#
3052
3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3054	$sig->send;	3648	$sig->send;
3055	}	3649	}
3056	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
3057	$sig->send;	3651	$sig->send;
3058	}	3652	}
3059		3653
3060	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
3061
3062	# if we are delayed by four ticks or more, skip them all
3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3064
3065	$TICK_WATCHER->at ($NEXT_TICK);
3066	$TICK_WATCHER->start;
3067
3068	$LOAD = ($NOW - $tick_start) / $TICK;
3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3070		3656
3071	_post_tick;	3657	if (0) {
3072		3658	if ($NEXT_TICK) {
3073		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
3074	},	3663	}
3075	);	3664	}
3076		3665
3077	{	3666	{
3078	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
3079	$BDB_POLL_WATCHER = Event->io (	3668
3080	reentrant => 0,
3081	fd => BDB::poll_fileno,
3082	poll => 'r',
3083	prio => 0,
3084	data => WF_AUTOCANCEL,
3085	cb => \&BDB::poll_cb,
3086	);
3087	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
3088		3670	BDB::max_poll_reqs $TICK * 0.1;
3089	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
3090	my $status;
3091	my $current = $Coro::current;
3092	(
3093	sub {
3094	$status = $!;
3095	$current->ready; undef $current;
3096	},
3097	sub {
3098	Coro::schedule while defined $current;
3099	$! = $status;
3100	},
3101	)
3102	};
3103		3672
3104	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3105	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3106		3679
3107	cf::sync_job {	3680	cf::sync_job {
3108	eval {	3681	eval {
3109	BDB::db_env_open	3682	BDB::db_env_open
3110	$DB_ENV,	3683	$DB_ENV,
…		…
3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3114	0666;	3687	0666;
3115		3688
3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3117
3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3119	$DB_ENV->set_lk_detect;
3120	};	3690	};
3121		3691
3122	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3123	};	3693	};
3124	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
3125	}	3705	}
3126		3706
3127	{	3707	{
		3708	# configure IO::AIO
		3709
3128	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3129
3130	undef $Coro::AIO::WATCHER;
3131	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3132	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
3133	reentrant => 0,
3134	data => WF_AUTOCANCEL,
3135	fd => IO::AIO::poll_fileno,
3136	poll => 'r',
3137	prio => 6,
3138	cb => \&IO::AIO::poll_cb,
3139	);
3140	}	3713	}
3141		3714
3142	my $_log_backtrace;	3715	my $_log_backtrace;
3143		3716
3144	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3148		3721
3149	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3150	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3151	++$_log_backtrace;	3724	++$_log_backtrace;
3152	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3153	my @bt = fork_call {	3728	my @bt = fork_call {
3154	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3157	or die "addr2line: $!";	3732	or die "addr2line: $!";

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