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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our (%PLAYER, %PLAYER_LOADING); # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
102		132
103	binmode STDOUT;	133	binmode STDOUT;
104	binmode STDERR;	134	binmode STDERR;
105		135
106	# read virtual server time, if available	136	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
111	}	141	}
112		142
113	mkdir $_	143	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		189
160	The raw value load value from the last tick.	190	The raw value load value from the last tick.
161		191
162	=item %cf::CFG	192	=item %cf::CFG
163		193
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	195	from wherever your confdir points to.
166		196
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		198
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	217	$msg .= "\n"
188	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
189		219
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		221
192	utf8::encode $msg;
193	LOG llevError, $msg;	222	LOG llevError, $msg;
194	};	223	};
195	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
196		240
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	251	for my $pkg (qw(
208	cf::global cf::attachable	252	cf::global cf::attachable
209	cf::object cf::object::player	253	cf::object cf::object::player
210	cf::client cf::player	254	cf::client cf::player
211	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
212	cf::map cf::party cf::region	257	cf::party cf::region
213	)) {	258	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	260	}
217		261
218	$Event::DIED = sub {	262	$EV::DIED = sub {
219	warn "error in event callback: @_";	263	warn "error in event callback: @_";
220	};	264	};
221		265
222	#############################################################################	266	#############################################################################
223		267
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	291	$d
248	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
249	}	293	}
250		294
251	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
252		296
253	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
254		298
255	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
256		300
257	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
258		302
259	=cut	303	=cut
260		304
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		306
263	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
265		309
266	=item cf::lock_wait $string	310	=item cf::lock_wait $string
267		311
268	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
269		313
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
286		330
287	=cut	331	=cut
288		332
289	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
290		335
291	sub lock_wait($) {	336	sub lock_wait($) {
292	my ($key) = @_;	337	my ($key) = @_;
293		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
294	# wait for lock, if any	344	# wait for lock, if any
295	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
296	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	348	Coro::schedule;
298	}	349	}
299	}	350	}
300		351
…		…
303		354
304	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
305	lock_wait $key;	356	lock_wait $key;
306		357
307	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
308		360
309	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
312	}	365	}
313	}	366	}
314		367
…		…
317		370
318	! ! $LOCK{$key}	371	! ! $LOCK{$key}
319	}	372	}
320		373
321	sub freeze_mainloop {	374	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
323		376
324	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	378	}
326	};	379
327	$TICK_WATCHER->stop;	380	=item cf::periodic $interval, $cb
328	$guard	381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
329	}	393	}
330		394
331	=item cf::get_slot $time[, $priority[, $name]]	395	=item cf::get_slot $time[, $priority[, $name]]
332		396
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	408	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	409	our $SLOT_QUEUE;
346		410
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
349	my $signal = new Coro::Signal;	415	my $signal = new Coro::Signal;
350		416
351	while () {	417	while () {
352	next_job:	418	next_job:
353	my $avail = cf::till_tick;	419	my $avail = cf::till_tick;
…		…
361	}	427	}
362	}	428	}
363	}	429	}
364		430
365	if (@SLOT_QUEUE) {	431	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	433	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	434	$signal->wait;
369	} else {	435	} else {
370	Coro::schedule;	436	Coro::schedule;
371	}	437	}
372	}	438	}
373	};	439	};
374		440
375	sub get_slot($;$$) {	441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
376	my ($time, $pri, $name) = @_;	444	my ($time, $pri, $name) = @_;
377		445
378	$time = $TICK * .6 if $time > $TICK * .6;	446	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	447	my $sig = new Coro::Signal;
380		448
…		…
394		462
395	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
396		464
397	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
398		466
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	470	acceptable.
403		471
404	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		478
411	sub sync_job(&) {	479	sub sync_job(&) {
412	my ($job) = @_;	480	my ($job) = @_;
413		481
414	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	483	my $time = EV::time;
416		484
417	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
419		487
420	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	489
422	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
423		491
424	my $busy = 1;	492	my $busy = 1;
425	my @res;	493	my @res;
426		494
427	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	497	@res = eval { $job->() };
429	warn $@ if $@;	498	warn $@ if $@;
430	undef $busy;	499	undef $busy;
431	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
432		501
433	while ($busy) {	502	while ($busy) {
434	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
435	}	507	}
		508	}
436		509
437	$time = Event::time - $time;	510	my $time = EV::time - $time;
438		511
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
443		513
444	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
445	} else {	515	} else {
446	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
447		517
…		…
472	=item fork_call { }, $args	542	=item fork_call { }, $args
473		543
474	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
478		548
479	=cut	549	=cut
480		550
481	sub fork_call(&@) {	551	sub fork_call(&@) {
482	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
…		…
491	}, @args;	561	}, @args;
492		562
493	wantarray ? @res : $res[-1]	563	wantarray ? @res : $res[-1]
494	}	564	}
495		565
		566	=item $coin = coin_from_name $name
		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
496	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
497		594
498	Returns a single value from the environment database.	595	Returns a single value from the environment database.
499		596
500	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
501		598
502	Stores the given C<$value> in the family. It can currently store binary	599	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
505	=cut	607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
506		625
507	our $DB;	626	our $DB;
508		627
509	sub db_init {	628	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	629	cf::sync_job {
514	eval {	630	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	631	};
524	}	632	}
525		633
526	sub db_get($$) {	634	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
528		636
…		…
626		734
627	#############################################################################	735	#############################################################################
628		736
629	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
630		738
631	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
634		742
635	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	745	Deliantra).
638		746
639	=over 4	747	=over 4
640		748
641	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
642		750
…		…
686	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
687		795
688	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
690		798
691	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
693		801
694	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
695		803
696	=over 4	804	=over 4
…		…
924	}	1032	}
925		1033
926	0	1034	0
927	}	1035	}
928		1036
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1038
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1040
933	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
934		1042
…		…
940		1048
941	=cut	1049	=cut
942		1050
943	#############################################################################	1051	#############################################################################
944	# object support	1052	# object support
945	#
946		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
947	sub _can_merge {	1087	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1088	my ($ob1, $ob2) = @_;
949		1089
950	local $Storable::canonical = 1;	1090	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1091
954	$fob1 eq $fob2	1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
955	}	1094	}
956		1095
957	sub reattach {	1096	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1098	my ($obj) = @_;
960		1099
		1100	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1102
963	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
964		1104
965	@$registry = ();	1105	@$registry = ();
966		1106
…		…
981	cf::attachable->attach (	1121	cf::attachable->attach (
982	prio => -1000000,	1122	prio => -1000000,
983	on_instantiate => sub {	1123	on_instantiate => sub {
984	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
985		1125
986	$data = from_json $data;	1126	$data = decode_json $data;
987		1127
988	for (@$data) {	1128	for (@$data) {
989	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
990		1130
991	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
1005	);	1145	);
1006		1146
1007	sub object_freezer_save {	1147	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
1009		1149
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1150	sync_job {
1013	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
1016		1155
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
1021	close $fh;	1160	aio_close $fh;
1022		1161
1023	if (@$objs) {	1162	if (@$objs) {
1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1025	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
1029	close $fh;	1168	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1170	}
1032	} else {	1171	} else {
1033	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
1034	}	1173	}
…		…
1040	} else {	1179	} else {
1041	aio_unlink $filename;	1180	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1043	}	1182	}
1044	};	1183	};
1045
1046	undef $guard;
1047	}	1184	}
1048		1185
1049	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1051		1188
…		…
1056		1193
1057	sub object_thawer_load {	1194	sub object_thawer_load {
1058	my ($filename) = @_;	1195	my ($filename) = @_;
1059		1196
1060	my ($data, $av);	1197	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1198
1064	(aio_load $filename, $data) >= 0	1199	(aio_load $filename, $data) >= 0
1065	or return;	1200	or return;
1066		1201
1067	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1204	or return;
1070		1205
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1073	}	1208	}
1074		1209
		1210	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
1077		1213
1078	($data, $av)	1214	($data, $av)
1079	}	1215	}
1080		1216
1081	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
…		…
1206		1342
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1345
1210	$ext{source} =	1346	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1212	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1213	. $source	1349	. $source
1214	. "\n};\n1";	1350	. "\n};\n1";
1215		1351
1216	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1232	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1233	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1234		1370
1235	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1236	warn $msg;	1372	warn $msg;
1237	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1238	exit 1;
1239	}	1374	}
1240		1375
1241	warn $msg;	1376	warn $msg;
1242	}	1377	}
1243		1378
…		…
1257		1392
1258	=back	1393	=back
1259		1394
1260	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1261		1396
1262	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1263		1398
1264	=cut	1399	=cut
1265		1400
1266	package cf::player;	1401	package cf::player;
1267		1402
1268	use Coro::AIO;	1403	use Coro::AIO;
1269		1404
1270	=head3 cf::player	1405	=head3 cf::player
1271		1406
1272	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1273		1422
1274	=item cf::player::find $login	1423	=item cf::player::find $login
1275		1424
1276	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1277		1426
…		…
1296		1445
1297	sub exists($) {	1446	sub exists($) {
1298	my ($login) = @_;	1447	my ($login) = @_;
1299		1448
1300	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1301	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1302	}	1451	}
1303		1452
1304	sub find($) {	1453	sub find($) {
1305	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1306	my $login = $_[0];	1455	my $login = $_[0];
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1466
1318	my $f = new_from_file cf::object::thawer path $login	1467	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1468	or return;
1320		1469
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1470	my $pl = cf::player::load_pl $f
1323	or return;	1471	or return;
		1472
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1473	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1474	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1327	}	1476	}
1328	}	1477	}
…		…
1338		1487
1339	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1340		1489
1341	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
		1492
		1493	cf::get_slot 0.01;
1343		1494
1344	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1496	cf::cede_to_tick;
1346	}	1497	}
1347		1498
…		…
1379	my ($pl) = @_;	1530	my ($pl) = @_;
1380		1531
1381	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1382		1533
1383	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1536
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1390		1543
1391	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1431		1584
1432	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
1433	my $path = path $login;	1586	my $path = path $login;
1434		1587
1435	# a .pst is a dead give-away for a valid player	1588	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1594	}
1441		1595
…		…
1472	}	1626	}
1473		1627
1474	\@paths	1628	\@paths
1475	}	1629	}
1476		1630
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1632
1479	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1480
1481	=cut
1482
1483	sub expand_cfpod {
1484	((my $self), (local $_)) = @_;
1485
1486	# escape & and <
1487	s/&/&amp;/g;
1488	s/(?<![BIUGHT])</&lt;/g;
1489
1490	# this is buggy, it needs to properly take care of nested <'s
1491
1492	1 while
1493	# replace B<>, I<>, U<> etc.
1494	s/B<([^\>]*)>/<b>$1<\/b>/
1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1634
1528	=item $player->ext_reply ($msgid, @msg)	1635	=item $player->ext_reply ($msgid, @msg)
1529		1636
1530	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1531		1638
…		…
1598	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1600		1707
1601	sub generate_random_map {	1708	sub generate_random_map {
1602	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1603	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1604	$self->_create_random_map (	1714	$self->_create_random_map (
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1729		1839
1730	# the temporary/swap location	1840	# the temporary/swap location
1731	sub save_path {	1841	sub save_path {
1732	my ($self) = @_;	1842	my ($self) = @_;
1733		1843
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1736	}	1846	}
1737		1847
1738	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1739	sub uniq_path {	1849	sub uniq_path {
1740	my ($self) = @_;	1850	my ($self) = @_;
1741		1851
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1744	}	1854	}
1745		1855
1746	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1747	# all maps in C++...	1857	# all maps in C++...
…		…
1841	sub find {	1951	sub find {
1842	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1843		1953
1844	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1845		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1847		1958
1848	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1849	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1850	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1851	or return;	1964	or return;
1852		1965
1853	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1854		1967
…		…
1856	or return;	1969	or return;
1857		1970
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1861	$map->reset;	1976	$map->reset;
1862	undef $guard;
1863	return find $path;	1977	return find $path;
1864	}	1978	}
1865		1979
1866	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1867	}	1981	}
…		…
1876	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1877		1991
1878	my $path = $self->{path};	1992	my $path = $self->{path};
1879		1993
1880	{	1994	{
1881	my $guard1 = cf::lock_acquire "map_data:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1882	my $guard2 = cf::lock_acquire "map_load:$path";
1883		1996
		1997	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1885		1999
1886	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1887		2001
1888	$self->alloc;	2002	$self->alloc;
1889		2003
…		…
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2008	$f->skip_block;
1895	$self->_load_objects ($f)	2009	$self->_load_objects ($f)
1896	or return;	2010	or return;
1897		2011
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1899	if delete $self->{load_original};	2013	if delete $self->{load_original};
1900		2014
1901	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2016	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2017	unless (aio_stat $uniq) {
…		…
1929	}	2043	}
1930		2044
1931	$self->{last_save} = $cf::RUNTIME;	2045	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2046	$self->last_access ($cf::RUNTIME);
1933		2047
1934	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1935	}	2049	}
1936		2050
1937	$self->post_load;	2051	$self->post_load;
1938	}	2052	}
1939		2053
…		…
1997	my ($path, $origin, $load) = @_;	2111	my ($path, $origin, $load) = @_;
1998		2112
1999	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
2000		2114
2001	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2117	}
2004		2118
2005	$MAP_PREFETCH{$path} |= $load;	2119	$MAP_PREFETCH{$path} |= $load;
2006		2120
2007	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
2008	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2126	if (my $map = find $k) {
2011	$map->load if $v;	2127	$map->load if $v;
2012	}	2128	}
…		…
2038	return if $self->{deny_save};	2154	return if $self->{deny_save};
2039		2155
2040	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
2041		2157
2042	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
2044	};	2161	};
		2162
		2163	cf::get_slot 0.02;
2045		2164
2046	if ($uniq) {	2165	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2168	} else {
…		…
2058	$self->save;	2177	$self->save;
2059		2178
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2180
2062	return if $self->players;	2181	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
2064	return if $self->{deny_save};	2183	return if $self->{deny_save};
2065		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
2066	$self->clear;	2189	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2190	}
2069		2191
2070	sub reset_at {	2192	sub reset_at {
2071	my ($self) = @_;	2193	my ($self) = @_;
2072		2194
…		…
2104	if $uniq;	2226	if $uniq;
2105	}	2227	}
2106		2228
2107	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
2108		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2233	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2234
2113	$self->unlink_save;	2235	$self->unlink_save;
2114	$self->destroy;	2236	$self->destroy;
2115	}	2237	}
2116		2238
…		…
2183		2305
2184	sub unique_maps() {	2306	sub unique_maps() {
2185	[	2307	[
2186	map {	2308	map {
2187	utf8::decode $_;	2309	utf8::decode $_;
2188	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2189	? normalise $_	2313	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2315	]
2193	}	2316	}
2194		2317
2195	package cf;
2196
2197	=back	2318	=back
2198		2319
2199	=head3 cf::object	2320	=head3 cf::object
2200		2321
2201	=cut	2322	=cut
…		…
2204		2325
2205	=over 4	2326	=over 4
2206		2327
2207	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2208		2329
2209	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2210		2332
2211	=cut	2333	=cut
2212		2334
2213	sub inv_recursive_;	2335	sub inv_recursive_;
2214	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2220	}	2342	}
2221		2343
2222	=item $ref = $ob->ref	2344	=item $ref = $ob->ref
2223		2345
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2346	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2347
2226	=item $ob = cf::object::deref ($refstring)	2348	=item $ob = cf::object::deref ($refstring)
2227		2349
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2351	even if the object actually exists. May block.
…		…
2231	=cut	2353	=cut
2232		2354
2233	sub deref {	2355	sub deref {
2234	my ($ref) = @_;	2356	my ($ref) = @_;
2235		2357
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2359	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2361	or return;
2243	$pl->ob->uuid eq $uuid	2362	$pl->ob->uuid eq $uuid
2244	or return;	2363	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2266		2385
2267	=cut	2386	=cut
2268		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
		2401
2269	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2403	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2406	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2419
2287	} else {	2420	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2423	}
2291	}	2424	}
2292	}	2425	}
2293		2426
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2452
2320	=item $player_object->enter_link	2453	=item $player_object->enter_link
2321		2454
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2456
2324	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2326		2461
2327	Will never block.	2462	Will never block.
2328		2463
2329	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2330		2465
…		…
2388		2523
2389	$map->load;	2524	$map->load;
2390	$map->load_neighbours;	2525	$map->load_neighbours;
2391		2526
2392	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2393	$self->activate_recursive;	2529	$self->activate_recursive;
2394		2530
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2397	}	2533	}
…		…
2402	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2403	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2404	the new (success) or old (failed) map position. In either case, $done will	2540	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2541	be called at the end of this process.
2406		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
		2545
2407	=cut	2546	=cut
2408		2547
2409	our $GOTOGEN;	2548	our $GOTOGEN;
2410		2549
2411	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
…		…
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2555
2417	$self->enter_link;	2556	$self->enter_link;
2418		2557
2419	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2420	my $map = eval {	2580	my $map = eval {
2421	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2422		2582
2423	if ($map) {	2583	if ($map) {
2424	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2426	} else {	2586	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2588	}
2429		2589
2430	$map	2590	$map
2431	};	2591	};
2432		2592
…		…
2468	}	2628	}
2469		2629
2470	sub prepare_random_map {	2630	sub prepare_random_map {
2471	my ($exit) = @_;	2631	my ($exit) = @_;
2472		2632
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2635	# that depends on the exit object
2478		2636
2479	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2639	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2486	}	2646	}
2487		2647
2488	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2489		2649
2490	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2493		2653
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2656	undef $fh;
2497	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2498		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2501	}	2665	}
2502	}	2666	}
2503		2667
2504	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2506		2670
2507	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2508		2672
2509	if ($exit->slaying eq "/!") {
2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
2511	# the problem is that $exit might not survive long enough
2512	# so it needs to be done right now, right here
2513	cf::sync_job { prepare_random_map $exit };
2514	}
2515
2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2517	my $hp = $exit->stats->hp;
2518	my $sp = $exit->stats->sp;
2519
2520	$self->enter_link;	2673	$self->enter_link;
2521		2674
2522	# if exit is damned, update players death & WoR home-position
2523	$self->contr->savebed ($slaying, $hp, $sp)
2524	if $exit->flag (FLAG_DAMNED);
2525
2526	(async {	2675	(async {
2527	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2528	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2529	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2530		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2531	1;	2699	1
2532	}) {	2700	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2705
2538	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	2734	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	2735	the message unless the client supports the msg packet.
2568		2736
2569	=cut	2737	=cut
2570		2738
		2739	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	2740	our %CHANNEL = (
2572	"c/identify" => {	2741	"c/identify" => {
2573	id => "identify",	2742	id => "infobox",
2574	title => "Identify",	2743	title => "Identify",
2575	reply => undef,	2744	reply => undef,
2576	tooltip => "Items recently identified",	2745	tooltip => "Items recently identified",
2577	},	2746	},
2578	"c/examine" => {	2747	"c/examine" => {
2579	id => "examine",	2748	id => "infobox",
2580	title => "Examine",	2749	title => "Examine",
2581	reply => undef,	2750	reply => undef,
2582	tooltip => "Signs and other items you examined",	2751	tooltip => "Signs and other items you examined",
2583	},	2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
2584	);	2801	);
2585		2802
2586	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2588		2805
2589	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
2590		2808
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		2810
2593	# check predefined channels, for the benefit of C	2811	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
2595		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
2596	if (ref $channel) {	2820	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	2821	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	2822	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	2823	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	2824	$self->ext_msg (channel_info => $channel)
2601	if $self->can_msg;	2825	if $self->can_msg;
…		…
2609	if ($self->can_msg) {	2833	if ($self->can_msg) {
2610	# default colour, mask it out	2834	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	2836	if $color & cf::NDI_DEF;
2613		2837
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
2616	} else {	2854	} else {
2617	if ($color >= 0) {	2855	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones	2856	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {	2857	for ($msg) {
2620	1 while	2858	1 while
…		…
2818	=pod	3056	=pod
2819		3057
2820	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2821		3059
2822	cf::object	3060	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3061	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3062	insert remove name archname title slaying race decrease split
2825		3063
2826	cf::object::player	3064	cf::object::player
2827	player	3065	player
2828		3066
2829	cf::player	3067	cf::player
…		…
2834		3072
2835	=cut	3073	=cut
2836		3074
2837	for (	3075	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3077	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3078	decrease split destroy change_exp)],
2841	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2843	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2844	) {	3082	) {
2845	no strict 'refs';	3083	no strict 'refs';
…		…
2950	{	3188	{
2951	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2952		3190
2953	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2955	cf::face::set_visibility $idx, $info->{visibility};	3194	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3195	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2959		3198
2960	cf::cede_to_tick;	3199	cf::cede_to_tick;
2961	}	3200	}
2962		3201
2963	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2965	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2966	or next;	3206	or next;
		3207
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3209	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3211	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2989	{	3230	{
2990	# TODO: for gcfclient pleasure, we should give resources	3231	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.	3232	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3233	my $res = $facedata->{resource};
2993		3234
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;	3238	my $data;
2999		3239
3000	if ($info->{type} & 1) {	3240	if ($info->{type} & 1) {
3001	# prepend meta info	3241	# prepend meta info
3002		3242
3003	my $meta = $enc->encode ({	3243	my $meta = $enc->encode ({
3004	name => $name,	3244	name => $name,
3005	%{ $info->{meta} || {} },	3245	%{ $info->{meta} || {} },
3006	});	3246	});
3007		3247
3008	$data = pack "(w/a*)*", $meta, $info->{data};	3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
3009	} else {	3255	} else {
3010	$data = $info->{data};	3256	$RESOURCE{$name} = $info;
3011	}	3257	}
3012		3258
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;	3259	cf::cede_to_tick;
3017	}	3260	}
3018
3019	if ($soundconf) {
3020	$soundconf = $enc->decode (delete $soundconf->{data});
3021
3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023	my $sound = $soundconf->{compat}[$_]
3024	or next;
3025
3026	my $face = cf::face::find "sound/$sound->[1]";
3027	cf::sound::set $sound->[0] => $face;
3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029	}
3030
3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
3032	my $face = cf::face::find "sound/$v";
3033	cf::sound::set $k => $face;
3034	}
3035	}
3036	}	3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3264
3038	1	3265	1
3039	}	3266	}
		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
3040		3287
3041	register_exticmd fx_want => sub {	3288	register_exticmd fx_want => sub {
3042	my ($ns, $want) = @_;	3289	my ($ns, $want) = @_;
3043		3290
3044	while (my ($k, $v) = each %$want) {	3291	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3292	$ns->fx_want ($k, $v);
3046	}	3293	}
3047	};	3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
3048		3305
3049	sub reload_regions {	3306	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3307	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3308	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3309	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3323	}
3067		3324
3068	sub reload_archetypes {	3325	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3326	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references
3072	# this really needs to be done in an extra post-pass
3073	# (which needs to be synchronous, so solve it differently)
3074	load_resource_file "$DATADIR/archetypes"
3075	or die "unable to load archetypes\n";
3076	}	3328	}
3077		3329
3078	sub reload_treasures {	3330	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3331	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3332	or die "unable to load treasurelists\n";
3081	}	3333	}
3082		3334
3083	sub reload_resources {	3335	sub reload_resources {
3084	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
3085		3337
		3338	reload_facedata;
		3339	reload_archetypes;
3086	reload_regions;	3340	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3341	reload_treasures;
3091		3342
3092	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
3093	}	3344	}
3094		3345
3095	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
3096	reload_resources;	3351	reload_resources;
3097	}	3352	}
3098		3353
3099	sub reload_config {	3354	sub reload_config {
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3101	or return;	3356	or return;
3102		3357
3103	local $/;	3358	local $/;
3104	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
3105		3360
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3107		3362
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3115	};	3370	};
3116	warn $@ if $@;	3371	warn $@ if $@;
3117	}	3372	}
3118	}	3373	}
3119		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
3120	sub main {	3394	sub main {
		3395	atomic;
		3396
3121	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3400	(async {
3125	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
3127	};	3404	};
3128		3405
		3406	{
		3407	my $guard = freeze_mainloop;
3129	reload_config;	3408	reload_config;
3130	db_init;	3409	db_init;
3131	load_extensions;	3410	load_extensions;
3132		3411
3133	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
3134	Event::loop;	3420	EV::loop;
3135	}	3421	}
3136		3422
3137	#############################################################################	3423	#############################################################################
3138	# initialisation and cleanup	3424	# initialisation and cleanup
3139		3425
3140	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
3141	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3144	reentrant => 0,
3145	data => WF_AUTOCANCEL,
3146	signal => $signal,
3147	prio => 0,
3148	cb => sub {
3149	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
3150	},
3151	);	3432	};
3152	}	3433	}
3153	}	3434	}
3154		3435
3155	sub write_runtime {	3436	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";
3157
3158	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
3160		3439
3161	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3441
3163	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
3164		3443
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3166	or return;	3445	or return;
3167		3446
3168	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
3181		3460
3182	close $fh	3461	close $fh
3183	or return;	3462	or return;
3184		3463
3185	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3465	and return;
3187		3466
3188	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
3189		3468
3190	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
3191	}	3513	}
3192		3514
3193	sub emergency_save() {	3515	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
3195		3517
…		…
3201	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
3203	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3529	$pl->save;
3207	}	3530	}
3208	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
3209		3532
3210	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
3216	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
3217		3540
3218	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
3221	};	3548	};
3222		3549
3223	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
3224	}	3551	}
3225		3552
3226	sub post_cleanup {	3553	sub post_cleanup {
3227	my ($make_core) = @_;	3554	my ($make_core) = @_;
3228		3555
3229	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
3231	}	3587	}
3232		3588
3233	sub do_reload_perl() {	3589	sub do_reload_perl() {
3234	# can/must only be called in main	3590	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
3236	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
3237	return;	3593	return;
3238	}	3594	}
3239		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
3240	warn "reloading...";	3599	warn "reloading...";
3241		3600
3242	warn "entering sync_job";	3601	warn "entering sync_job";
3243		3602
3244	cf::sync_job {	3603	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
3246	cf::emergency_save;	3605	cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
3248		3607
3249	warn "syncing database to disk";	3608	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3251		3610
3252	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
3253		3612
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
3265	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3266	}
3267
3268	++$RELOAD;
3269
3270	warn "cancelling all extension coros";
3271	$_->cancel for values %EXT_CORO;
3272	%EXT_CORO = ();
3273
3274	warn "removing commands";
3275	%COMMAND = ();
3276
3277	warn "removing ext/exti commands";
3278	%EXTCMD = ();
3279	%EXTICMD = ();
3280
3281	warn "unloading/nuking all extensions";
3282	for my $pkg (@EXTS) {
3283	warn "... unloading $pkg";
3284
3285	if (my $cb = $pkg->can ("unload")) {
3286	eval {
3287	$cb->($pkg);
3288	1
3289	} or warn "$pkg unloaded, but with errors: $@";
3290	}	3616	}
3291		3617
3292	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
3293	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
3294	}	3620	%EXT_CORO = ();
3295		3621
3296	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
3297	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
3300	warn "... unloading $k";	3631	warn "... unloading $pkg";
3301	delete $INC{$k};
3302		3632
3303	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;
3305
3306	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
3307	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
3308	}	3642	}
3309		3643
3310	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
3311	}	3659	}
3312		3660
3313	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		3664
3317	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
3320		3668
3321	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
3322	# and global variables created in xs	3670	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
3324		3672
3325	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
3326		3674
3327	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
3328	require cf;	3676	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3330		3678
3331	warn "loading config and database again";	3679	warn "loading config and database again";
3332	cf::reload_config;	3680	cf::reload_config;
3333		3681
3334	warn "loading extensions";	3682	warn "loading extensions";
3335	cf::load_extensions;	3683	cf::load_extensions;
3336		3684
3337	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
3340	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
3343		3691
3344	warn "leaving sync_job";	3692	warn "leaving sync_job";
3345		3693
3346	1	3694	1
3347	} or do {	3695	} or do {
3348	warn $@;	3696	warn $@;
3349	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
3350	exit 1;
3351	};	3698	};
3352		3699
3353	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
3354	};	3703	};
3355		3704
3356	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
3357		3706
3358	sub reload_perl() {	3707	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3361		3710
3362	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3363	reentrant => 0,
3364	after => 0,
3365	data => WF_AUTOCANCEL,
3366	cb => sub {
3367	do_reload_perl;	3712	do_reload_perl;
3368	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3369	},
3370	);	3714	};
3371	}	3715	}
3372		3716
3373	register_command "reload" => sub {	3717	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3375		3719
3376	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	3724	reload_perl;
		3725	};
3379	}	3726	}
3380	};	3727	};
3381		3728
3382	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
3383		3730
…		…
3385		3732
3386	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3388		3735
3389	sub wait_for_tick {	3736	sub wait_for_tick {
3390	return unless $TICK_WATCHER->is_active;
3391	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3392		3738
3393	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3394	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;	3741	$signal->wait;
3396	}	3742	}
3397		3743
3398	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3399	return unless $TICK_WATCHER->is_active;
3400	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3401		3746
3402	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	3749	$signal->wait;
3405	}	3750	}
3406		3751
3407	my $min = 1e6;#d#	3752	sub tick {
3408	my $avg = 10;
3409	$TICK_WATCHER = Event->timer (
3410	reentrant => 0,
3411	parked => 1,
3412	prio => 0,
3413	at => $NEXT_TICK || $TICK,
3414	data => WF_AUTOCANCEL,
3415	cb => sub {
3416	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3419	return;	3756	return;
3420	}	3757	}
3421		3758
3422	$NOW = $tick_start = Event::time;
3423
3424	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3425		3760
3426	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3427	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3428	my $t = Event::time;	3763	Coro::async_pool {
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
3430	or die;	3765	write_runtime_sync
3431		3766	or warn "ERROR: unable to write runtime file: $!";
3432	$map->width (50);
3433	$map->height (50);
3434	$map->alloc;
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436	my $t = Event::time - $t;
3437
3438	#next unless $t < 0.0013;#d#
3439	if ($t < $min) {
3440	$min = $t;
3441	}
3442	$avg = $avg * 0.99 + $t * 0.01;
3443	}
3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445	exit 0;
3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447	};	3767	};
		3768	}
3448		3769
3449	$RUNTIME += $TICK;
3450	$NEXT_TICK += $TICK;
3451
3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
3454	Coro::async_pool {
3455	write_runtime
3456	or warn "ERROR: unable to write runtime file: $!";
3457	};
3458	}
3459
3460	# my $AFTER = Event::time;
3461	# warn $AFTER - $NOW;#d#
3462
3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	3771	$sig->send;
3465	}	3772	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3467	$sig->send;	3774	$sig->send;
3468	}	3775	}
3469		3776
3470	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3471
3472	# if we are delayed by four ticks or more, skip them all
3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3474
3475	$TICK_WATCHER->at ($NEXT_TICK);
3476	$TICK_WATCHER->start;
3477
3478	$LOAD = ($NOW - $tick_start) / $TICK;
3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		3779
3481	_post_tick;	3780	if (0) {
3482		3781	if ($NEXT_TICK) {
3483		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3484	},	3786	}
3485	);	3787	}
3486		3788
3487	{	3789	{
3488	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	3791
3490	reentrant => 0,
3491	fd => BDB::poll_fileno,
3492	poll => 'r',
3493	prio => 0,
3494	data => WF_AUTOCANCEL,
3495	cb => \&BDB::poll_cb,
3496	);
3497	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3498		3793	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3500	my $status;
3501	my $current = $Coro::current;
3502	(
3503	sub {
3504	$status = $!;
3505	$current->ready; undef $current;
3506	},
3507	sub {
3508	Coro::schedule while defined $current;
3509	$! = $status;
3510	},
3511	)
3512	};
3513		3795
3514	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		3803
3517	cf::sync_job {	3804	cf::sync_job {
3518	eval {	3805	eval {
3519	BDB::db_env_open	3806	BDB::db_env_open
3520	$DB_ENV,	3807	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	3811	0666;
3525		3812
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3527
3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3529	$DB_ENV->set_lk_detect;
3530	};	3814	};
3531		3815
3532	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	3817	};
3534	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
3535	}	3829	}
3536		3830
3537	{	3831	{
		3832	# configure IO::AIO
		3833
3538	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3543	reentrant => 0,
3544	data => WF_AUTOCANCEL,
3545	fd => IO::AIO::poll_fileno,
3546	poll => 'r',
3547	prio => 6,
3548	cb => \&IO::AIO::poll_cb,
3549	);
3550	}	3837	}
3551		3838
3552	my $_log_backtrace;	3839	my $_log_backtrace;
3553		3840
3554	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3557	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3558		3845
3559	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3561	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3562	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3563	my @bt = fork_call {	3853	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3575	}	3865	}
3576		3866
3577	@funcs	3867	@funcs
3578	};	3868	};
3579		3869
3580	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	3873	--$_log_backtrace;
3583	};	3874	};
3584	} else {	3875	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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