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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.414 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
…		…
1347	}	1580	}
1348		1581
1349	\@paths	1582	\@paths
1350	}	1583	}
1351		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		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
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		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;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		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	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1352	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1353		1679
1354	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1355		1681
1356	=cut	1682	=cut
1357		1683
1358	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1360		1686
1361	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1688	}
1365		1689
1366	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1367		1691
1368	Sends an ext event to the client.	1692	Sends an ext event to the client.
1369		1693
1370	=cut	1694	=cut
1371		1695
1372	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1374		1698
1375	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1376	}	1700	}
1377		1701
1378	=head3 cf::region	1702	=head3 cf::region
1379		1703
1380	=over 4	1704	=over 4
…		…
1393	my ($path) = @_;	1717	my ($path) = @_;
1394		1718
1395	my ($match, $specificity);	1719	my ($match, $specificity);
1396		1720
1397	for my $region (list) {	1721	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1401	}	1725	}
1402	}	1726	}
1403		1727
…		…
1523	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1524	return $self;	1848	return $self;
1525	}	1849	}
1526	}	1850	}
1527		1851
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1853	()
1530	}	1854	}
1531		1855
1532	sub init {	1856	sub init {
1533	my ($self) = @_;	1857	my ($self) = @_;
…		…
1596		1920
1597	sub load_header_from($) {	1921	sub load_header_from($) {
1598	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1599		1923
1600	utf8::encode $path;	1924	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	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;
1606		1933
1607	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1608		1935
1609	1	1936	1
1610	}	1937	}
…		…
1664	sub find {	1991	sub find {
1665	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1666		1993
1667	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1668		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1670		1998
1671	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1672	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
1673	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1674	or return;	2004	or return;
1675		2005
1676	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1677		2007
…		…
1679	or return;	2009	or return;
1680		2010
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1684	$map->reset;	2016	$map->reset;
1685	undef $guard;
1686	return find $path;	2017	return find $path;
1687	}	2018	}
1688		2019
1689	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1690	}	2021	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1700		2031
1701	my $path = $self->{path};	2032	my $path = $self->{path};
1702		2033
1703	{	2034	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1705		2036
		2037	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2039
1708	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1709		2041
1710	$self->alloc;	2042	$self->alloc;
1711		2043
1712	$self->pre_load;	2044	$self->pre_load;
1713	Coro::cede;	2045	cf::cede_to_tick;
1714		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1716	or return;	2050	or return;
1717		2051
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1719	if delete $self->{load_original};	2053	if delete $self->{load_original};
1720		2054
1721	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2056	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2059	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1726	}	2063	}
1727	}	2064	}
1728		2065
1729	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1730	# now do the right thing for maps	2069	# now do the right thing for maps
1731	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2072	unless $self->difficulty;
1734	Coro::cede;	2073	cf::cede_to_tick;
1735		2074
1736	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2076	$self->decay_objects;
1738	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1739	$self->update_buttons;	2078	$self->update_buttons;
1740	Coro::cede;	2079	cf::cede_to_tick;
1741	$self->set_darkness_map;	2080	$self->set_darkness_map;
1742	Coro::cede;	2081	cf::cede_to_tick;
1743	$self->activate;	2082	$self->activate;
1744	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1745		2087
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1747	}	2089	}
1748		2090
1749	$self->post_load;	2091	$self->post_load;
…		…
1760		2102
1761	$self	2103	$self
1762	}	2104	}
1763		2105
1764	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2107	sub load_neighbours {
1766	my ($map) = @_;	2108	my ($map) = @_;
1767		2109
1768	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1769		2111
1770	for (0 .. 3) {	2112	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1772	or next;	2114	or next;
1773	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1774	or next;	2116	or next;
1775	$neigh->load;	2117	$neigh->load;
1776		2118
		2119	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2122	}
1780		2123
1781	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1783	or next;	2127	or next;
1784	$neigh->load;	2128	$neigh->load;
1785	}	2129	}
1786	}	2130	}
1787		2131
…		…
1792	}	2136	}
1793		2137
1794	sub do_load_sync {	2138	sub do_load_sync {
1795	my ($map) = @_;	2139	my ($map) = @_;
1796		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1797	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1798	}	2145	}
1799		2146
1800	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1802		2149
1803	sub find_async {	2150	sub find_async {
1804	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1805		2152
1806	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1807		2154
1808	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1810	}	2157	}
1811		2158
1812	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1813	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1814	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2166	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2167	$map->load if $v;
		2168	}
1819		2169
1820	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1821	}	2171	}
1822	}	2172	}
1823	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1824	};	2174	};
1825	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2178	}
1829		2179
1830	sub save {	2180	sub save {
1831	my ($self) = @_;	2181	my ($self) = @_;
1832		2182
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2184
1835	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1836		2186
1837	return unless $self->dirty;	2187	return unless $self->dirty;
1838		2188
…		…
1844	return if $self->{deny_save};	2194	return if $self->{deny_save};
1845		2195
1846	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1847		2197
1848	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1850	};	2201	};
1851		2202
1852	if ($uniq) {	2203	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1861	my ($self) = @_;	2212	my ($self) = @_;
1862		2213
1863	# save first because save cedes	2214	# save first because save cedes
1864	$self->save;	2215	$self->save;
1865		2216
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2218
1868	return if $self->players;	2219	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};	2221	return if $self->{deny_save};
1871		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2227	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2228	}
1875		2229
1876	sub reset_at {	2230	sub reset_at {
1877	my ($self) = @_;	2231	my ($self) = @_;
1878		2232
…		…
1910	if $uniq;	2264	if $uniq;
1911	}	2265	}
1912		2266
1913	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1914		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2271	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2272
1919	$self->unlink_save;	2273	$self->unlink_save;
1920	$self->destroy;	2274	$self->destroy;
1921	}	2275	}
1922		2276
1923	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1924		2278
1925	sub nuke {	2279	sub nuke {
1926	my ($self) = @_;	2280	my ($self) = @_;
1927		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1928	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1929		2286
1930	$self->unlink_save;	2287	$self->unlink_save;
1931		2288
1932	bless $self, "cf::map";	2289	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2294
1938	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1939		2297
1940	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
1941	}	2299	}
1942		2300
1943	=item $maps = cf::map::tmp_maps	2301	=item $maps = cf::map::tmp_maps
…		…
2019		2377
2020	sub inv_recursive {	2378	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
2022	}	2380	}
2023		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
2024	package cf;	2410	package cf;
2025		2411
2026	=back	2412	=back
2027		2413
2028	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
2045		2431
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2433
2048	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
2050	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
2053	}	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 (@_);
2054	}	2459	}
2055		2460
2056	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
2057		2462
2058	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
2137	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
2140		2545
2141	$map->load;	2546	$map->load;
2142	$map->load_diag;	2547	$map->load_neighbours;
2143		2548
2144	return unless $self->contr->active;	2549	return unless $self->contr->active;
2145	$self->activate_recursive;	2550	$self->activate_recursive;
2146		2551
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
2149	}	2554	}
2150		2555
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152		2557
2153	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
2154	her, loading and preparing them map, calling the provided $check callback	2559	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2560	that has to return the map if sucecssful, and then unfreezes the player on
2156	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.
2157		2563
2158	=cut	2564	=cut
2159		2565
2160	our $GOTOGEN;	2566	our $GOTOGEN;
2161		2567
2162	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
2164		2570
2165	# 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
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2573
2168	$self->enter_link;	2574	$self->enter_link;
2169		2575
2170	(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
2171	my $map = eval {	2598	my $map = eval {
2172	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2173		2600
2174	if ($map) {	2601	if ($map) {
2175	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2177	} else {	2604	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2606	}
2180		2607
2181	$map	2608	$map
2182	};	2609	};
2183		2610
…		…
2188		2615
2189	if ($gen == $self->{_goto_generation}) {	2616	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2617	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
2192	}	2619	}
		2620
		2621	$done->() if $done;
2193	})->prio (1);	2622	})->prio (1);
2194	}	2623	}
2195		2624
2196	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
2197		2626
…		…
2234	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2235	}	2664	}
2236		2665
2237	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2238		2667
2239	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2240	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2242		2671
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2266	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2268		2697
2269	$self->enter_link;	2698	$self->enter_link;
2270		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
2271	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2272	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2273	unless (eval {	2708	unless (eval {
2274	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2275		2710
2276	1;	2711	1;
…		…
2302		2737
2303	utf8::encode $text;	2738	utf8::encode $text;
2304	$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);
2305	}	2740	}
2306		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		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 $msg;
		2831
		2832	if ($self->can_msg) {
		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, $msg, @extra]));
		2839	} else {
		2840	if ($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
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
2307	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2308		2867
2309	Sends an exti event to the client.	2868	Sends an ext event to the client.
2310		2869
2311	=cut	2870	=cut
2312		2871
2313	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2315		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2317	$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	}
2318	}	2899	}
2319		2900
2320	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2321		2902
2322	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		2906
2326	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
2327	reliable at some point in the future.	2908	become reliable at some point in the future.
2328		2909
2329	=cut	2910	=cut
2330		2911
2331	sub cf::client::query {	2912	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	2921	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		2923
2343	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2345	}	2928	}
2346		2929
2347	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	},
2348	on_reply => sub {	2936	on_reply => sub {
2349	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2350		2938
2351	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2352	# get handled first	2940	# get handled first
…		…
2364	} else {	2952	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	2954	}
2367	}	2955	}
2368	},	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	},
2369	);	2983	);
2370		2984
2371	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2372		2986
2373	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2414	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2416		3030
2417	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2418		3032
2419	$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	));
2420		3038
2421	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2422		3040
2423	=pod	3041	=pod
2424		3042
2425	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2426		3044
2427	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
2428	cf::object::player player	3049	cf::object::player
2429	cf::player peaceful	3050	player
2430	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2431		3057
2432	=cut	3058	=cut
2433		3059
2434	for (	3060	for (
2435	["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)],
2436	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2438	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2439	) {	3067	) {
2440	no strict 'refs';	3068	no strict 'refs';
…		…
2516	# the server's init and main functions	3144	# the server's init and main functions
2517		3145
2518	sub load_facedata($) {	3146	sub load_facedata($) {
2519	my ($path) = @_;	3147	my ($path) = @_;
2520		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
2521	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2522		3156
2523	my $facedata;	3157	my $facedata;
2524	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
2525	or die "$path: $!";	3159	or die "$path: $!";
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2528		3162
2529	$facedata->{version} == 2	3163	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		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
2532	{	3173	{
2533	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2534		3175
2535	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540	Coro::cede;	3183
		3184	cf::cede_to_tick;
2541	}	3185	}
2542		3186
2543	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2545	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2546	or next;	3191	or next;
		3192
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3196	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3198	}
2552	Coro::cede;	3199
		3200	cf::cede_to_tick;
2553	}	3201	}
2554	}	3202	}
2555		3203
2556	{	3204	{
2557	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2558		3206
2559	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3209	cf::cede_to_tick;
2562	}	3210	}
2563		3211
2564	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2565	}	3213	}
2566		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
2567	1	3250	1
2568	}	3251	}
2569		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
2570	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
2571	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2572	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	}
2573	}	3293	}
2574		3294
2575	sub reload_facedata {	3295	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2578	}	3298	}
2579		3299
2580	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)
2581	load_resource_file "$DATADIR/archetypes"	3306	load_resource_file "$DATADIR/archetypes"
2582	or die "unable to load archetypes\n";	3307	or die "unable to load archetypes\n";
2583	}	3308	}
2584		3309
2585	sub reload_treasures {	3310	sub reload_treasures {
…		…
2601		3326
2602	sub init {	3327	sub init {
2603	reload_resources;	3328	reload_resources;
2604	}	3329	}
2605		3330
2606	sub cfg_load {	3331	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3333	or return;
2609		3334
2610	local $/;	3335	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2612		3337
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3339
2615	$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};
2616	$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};
…		…
2627	sub main {	3352	sub main {
2628	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2630	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#
2631	(async {	3356	(async {
2632	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2634	};	3360	};
2635		3361
2636	cfg_load;	3362	reload_config;
2637	db_init;	3363	db_init;
2638	load_extensions;	3364	load_extensions;
2639		3365
2640	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2641	Event::loop;	3368	EV::loop;
2642	}	3369	}
2643		3370
2644	#############################################################################	3371	#############################################################################
2645	# initialisation and cleanup	3372	# initialisation and cleanup
2646		3373
2647	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2648	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2657	},
2658	);	3380	};
2659	}	3381	}
2660	}	3382	}
2661		3383
2662	sub write_runtime {	3384	sub write_runtime {
2663	my $runtime = "$LOCALDIR/runtime";	3385	my $runtime = "$LOCALDIR/runtime";
…		…
2708	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3436	$pl->save;
2714	}	3437	}
2715	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2716		3439
2717	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2756	warn "syncing database to disk";	3479	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3481
2759	# 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
2760		3483
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2767	for (;;) {	3485	for (;;) {
2768	BDB::flush;	3486	BDB::flush;
2769	IO::AIO::flush;	3487	IO::AIO::flush;
2770	Coro::cede;	3488	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3490	warn "iterate...";
2773	}	3491	}
2774		3492
2775	++$RELOAD;	3493	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3497	%EXT_CORO = ();
2780		3498
2781	warn "removing commands";	3499	warn "removing commands";
2782	%COMMAND = ();	3500	%COMMAND = ();
2783		3501
2784	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2786		3505
2787	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2790		3509
…		…
2833	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2834	require cf;	3553	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3555
2837	warn "loading config and database again";	3556	warn "loading config and database again";
2838	cf::cfg_load;	3557	cf::reload_config;
2839		3558
2840	warn "loading extensions";	3559	warn "loading extensions";
2841	cf::load_extensions;	3560	cf::load_extensions;
2842		3561
2843	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2850	warn "leaving sync_job";	3569	warn "leaving sync_job";
2851		3570
2852	1	3571	1
2853	} or do {	3572	} or do {
2854	warn $@;	3573	warn $@;
2855	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3575	};
2858		3576
2859	warn "reloaded";	3577	warn "reloaded";
2860	};	3578	};
2861		3579
…		…
2863		3581
2864	sub reload_perl() {	3582	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2867		3585
2868	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3587	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2875	},
2876	);	3589	};
2877	}	3590	}
2878		3591
2879	register_command "reload" => sub {	3592	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2881		3594
2882	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3599	reload_perl;
		3600	};
2885	}	3601	}
2886	};	3602	};
2887		3603
2888	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2889		3605
…		…
2891		3607
2892	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2894		3610
2895	sub wait_for_tick {	3611	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2897	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2898		3614
2899	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3617	$signal->wait;
2902	}	3618	}
2903		3619
2904	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2906	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2907		3623
2908	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3626	$signal->wait;
2911	}	3627	}
2912		3628
2913	my $min = 1e6;#d#	3629	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2923	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"
2924	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2925	return;	3633	return;
2926	}	3634	}
2927		3635
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2931		3637
2932	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3640	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
2936	or die;	3642	write_runtime
2937		3643	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3644	};
		3645	}
2954		3646
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3648	$sig->send;
2971	}	3649	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3651	$sig->send;
2974	}	3652	}
2975		3653
2976	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3656
2987	_post_tick;	3657	if (0) {
2988		3658	if ($NEXT_TICK) {
2989		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
2990	},	3663	}
2991	);	3664	}
2992		3665
2993	{	3666	{
2994	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3668
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
3004		3670	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3672
3020	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3021	$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);
3022		3679
3023	cf::sync_job {	3680	cf::sync_job {
3024	eval {	3681	eval {
3025	BDB::db_env_open	3682	BDB::db_env_open
3026	$DB_ENV,	3683	$DB_ENV,
…		…
3028	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
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3687	0666;
3031		3688
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3690	};
3037		3691
3038	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3693	};
3040	}	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	};
3041	}	3705	}
3042		3706
3043	{	3707	{
		3708	# configure IO::AIO
		3709
3044	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3713	}
3057		3714
3058	my $_log_backtrace;	3715	my $_log_backtrace;
3059		3716
3060	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3064		3721
3065	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3724	++$_log_backtrace;
3068	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3069	my @bt = fork_call {	3728	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	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 |"
3073	or die "addr2line: $!";	3732	or die "addr2line: $!";

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