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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 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		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
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		71
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		73
52	our %COMMAND = ();	74	our %COMMAND = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
60		82
61	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
62	our @EVENT;	84	our @EVENT;
63		85
64	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	87	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
75		101
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	104	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	110	our $DB_ENV;
86		111
87	our %CFG;	112	our %CFG;
88		113
89	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
91		117
92	our (%PLAYER, %PLAYER_LOADING); # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
95		121
96	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		124
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
102		129
103	binmode STDOUT;	130	binmode STDOUT;
104	binmode STDERR;	131	binmode STDERR;
105		132
106	# read virtual server time, if available	133	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
111	}	138	}
112		139
113	mkdir $_	140	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		186
160	The raw value load value from the last tick.	187	The raw value load value from the last tick.
161		188
162	=item %cf::CFG	189	=item %cf::CFG
163		190
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	192	from wherever your confdir points to.
166		193
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		195
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	214	$msg .= "\n"
188	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
189		216
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		218
192	utf8::encode $msg;
193	LOG llevError, $msg;	219	LOG llevError, $msg;
194	};	220	};
195	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
196		237
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	248	for my $pkg (qw(
208	cf::global cf::attachable	249	cf::global cf::attachable
209	cf::object cf::object::player	250	cf::object cf::object::player
210	cf::client cf::player	251	cf::client cf::player
211	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
212	cf::map cf::party cf::region	254	cf::party cf::region
213	)) {	255	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	257	}
217		258
218	$Event::DIED = sub {	259	$EV::DIED = sub {
219	warn "error in event callback: @_";	260	warn "error in event callback: @_";
220	};	261	};
221		262
222	#############################################################################	263	#############################################################################
223		264
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	288	$d
248	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
249	}	290	}
250		291
251	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
252		293
253	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
254		295
255	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
256		297
257	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
258		299
259	=cut	300	=cut
260		301
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		303
263	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
265		306
266	=item cf::lock_wait $string	307	=item cf::lock_wait $string
267		308
268	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
269		310
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
286		327
287	=cut	328	=cut
288		329
289	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
290		332
291	sub lock_wait($) {	333	sub lock_wait($) {
292	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
293		340
294	# wait for lock, if any	341	# wait for lock, if any
295	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	344	Coro::schedule;
…		…
303		350
304	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
305	lock_wait $key;	352	lock_wait $key;
306		353
307	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
308		356
309	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
312	}	361	}
313	}	362	}
314		363
…		…
317		366
318	! ! $LOCK{$key}	367	! ! $LOCK{$key}
319	}	368	}
320		369
321	sub freeze_mainloop {	370	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
323		372
324	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	374	}
326	};	375
327	$TICK_WATCHER->stop;	376	=item cf::periodic $interval, $cb
328	$guard	377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
329	}	389	}
330		390
331	=item cf::get_slot $time[, $priority[, $name]]	391	=item cf::get_slot $time[, $priority[, $name]]
332		392
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	404	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	405	our $SLOT_QUEUE;
346		406
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
349	my $signal = new Coro::Signal;	411	my $signal = new Coro::Signal;
350		412
351	while () {	413	while () {
352	next_job:	414	next_job:
353	my $avail = cf::till_tick;	415	my $avail = cf::till_tick;
…		…
361	}	423	}
362	}	424	}
363	}	425	}
364		426
365	if (@SLOT_QUEUE) {	427	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	429	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	430	$signal->wait;
369	} else {	431	} else {
370	Coro::schedule;	432	Coro::schedule;
371	}	433	}
372	}	434	}
373	};	435	};
374		436
375	sub get_slot($;$$) {	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
376	my ($time, $pri, $name) = @_;	440	my ($time, $pri, $name) = @_;
377		441
378	$time = $TICK * .6 if $time > $TICK * .6;	442	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	443	my $sig = new Coro::Signal;
380		444
…		…
394		458
395	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
396		460
397	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
398		462
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	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	464	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	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	466	acceptable.
403		467
404	If it must be done, put the blocking parts into C<sync_job>. This will run	468	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	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		474
411	sub sync_job(&) {	475	sub sync_job(&) {
412	my ($job) = @_;	476	my ($job) = @_;
413		477
414	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	479	my $time = EV::time;
416		480
417	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
419		483
420	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	485
422	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
423		487
424	my $busy = 1;	488	my $busy = 1;
425	my @res;	489	my @res;
426		490
427	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	493	@res = eval { $job->() };
429	warn $@ if $@;	494	warn $@ if $@;
430	undef $busy;	495	undef $busy;
431	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
432		497
433	while ($busy) {	498	while ($busy) {
434	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
435	}	503	}
		504	}
436		505
437	$time = Event::time - $time;	506	my $time = EV::time - $time;
438		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
443		509
444	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
445	} else {	511	} else {
446	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
447		513
…		…
472	=item fork_call { }, $args	538	=item fork_call { }, $args
473		539
474	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
478		544
479	=cut	545	=cut
480		546
481	sub fork_call(&@) {	547	sub fork_call(&@) {
482	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
…		…
491	}, @args;	557	}, @args;
492		558
493	wantarray ? @res : $res[-1]	559	wantarray ? @res : $res[-1]
494	}	560	}
495		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
496	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
497		590
498	Returns a single value from the environment database.	591	Returns a single value from the environment database.
499		592
500	=item cf::db_put $family => $key => $value	593	=item cf::db_put $family => $key => $value
501		594
502	Stores the given C<$value> in the family. It can currently store binary	595	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).	596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
505	=cut	603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
506		621
507	our $DB;	622	our $DB;
508		623
509	sub db_init {	624	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	625	cf::sync_job {
514	eval {	626	$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	}	627	};
524	}	628	}
525		629
526	sub db_get($$) {	630	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	631	my $key = "$_[0]/$_[1]";
528		632
…		…
626		730
627	#############################################################################	731	#############################################################################
628		732
629	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
630		734
631	Many objects in crossfire are so-called attachable objects. That means you can	735	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")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
634		738
635	In the following description, CLASS can be any of C<global>, C<object>	739	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	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	741	Deliantra).
638		742
639	=over 4	743	=over 4
640		744
641	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
642		746
…		…
686	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
687		791
688	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
690		794
691	Some classes such as crossfire maps and objects can specify attachments	795	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.	796	that are attached at load/instantiate time, thus the need for a name.
693		797
694	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
695		799
696	=over 4	800	=over 4
…		…
924	}	1028	}
925		1029
926	0	1030	0
927	}	1031	}
928		1032
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1034
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1036
933	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
934		1038
…		…
940		1044
941	=cut	1045	=cut
942		1046
943	#############################################################################	1047	#############################################################################
944	# object support	1048	# object support
945	#
946		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
947	sub _can_merge {	1083	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1084	my ($ob1, $ob2) = @_;
949		1085
950	local $Storable::canonical = 1;	1086	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1087
954	$fob1 eq $fob2	1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
955	}	1090	}
956		1091
957	sub reattach {	1092	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1094	my ($obj) = @_;
960		1095
		1096	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1098
963	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
964		1100
965	@$registry = ();	1101	@$registry = ();
966		1102
…		…
981	cf::attachable->attach (	1117	cf::attachable->attach (
982	prio => -1000000,	1118	prio => -1000000,
983	on_instantiate => sub {	1119	on_instantiate => sub {
984	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
985		1121
986	$data = from_json $data;	1122	$data = decode_json $data;
987		1123
988	for (@$data) {	1124	for (@$data) {
989	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
990		1126
991	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
1005	);	1141	);
1006		1142
1007	sub object_freezer_save {	1143	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
1009		1145
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1146	sync_job {
1013	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
1016		1151
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
1021	close $fh;	1156	aio_close $fh;
1022		1157
1023	if (@$objs) {	1158	if (@$objs) {
1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1025	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
1029	close $fh;	1164	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1166	}
1032	} else {	1167	} else {
1033	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1034	}	1169	}
…		…
1040	} else {	1175	} else {
1041	aio_unlink $filename;	1176	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1043	}	1178	}
1044	};	1179	};
1045
1046	undef $guard;
1047	}	1180	}
1048		1181
1049	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1051		1184
…		…
1056		1189
1057	sub object_thawer_load {	1190	sub object_thawer_load {
1058	my ($filename) = @_;	1191	my ($filename) = @_;
1059		1192
1060	my ($data, $av);	1193	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1194
1064	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
1065	or return;	1196	or return;
1066		1197
1067	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1200	or return;
1070		1201
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1073	}	1204	}
1074		1205
		1206	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
1077		1209
1078	($data, $av)	1210	($data, $av)
1079	}	1211	}
1080		1212
1081	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
…		…
1206		1338
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1341
1210	$ext{source} =	1342	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1212	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1213	. $source	1345	. $source
1214	. "\n};\n1";	1346	. "\n};\n1";
1215		1347
1216	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1232	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1233	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1234		1366
1235	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1236	warn $msg;	1368	warn $msg;
1237	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1238	exit 1;
1239	}	1370	}
1240		1371
1241	warn $msg;	1372	warn $msg;
1242	}	1373	}
1243		1374
…		…
1257		1388
1258	=back	1389	=back
1259		1390
1260	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
1261		1392
1262	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
1263		1394
1264	=cut	1395	=cut
1265		1396
1266	package cf::player;	1397	package cf::player;
1267		1398
1268	use Coro::AIO;	1399	use Coro::AIO;
1269		1400
1270	=head3 cf::player	1401	=head3 cf::player
1271		1402
1272	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1273		1418
1274	=item cf::player::find $login	1419	=item cf::player::find $login
1275		1420
1276	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1277		1422
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1462
1318	my $f = new_from_file cf::object::thawer path $login	1463	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1464	or return;
1320		1465
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1466	my $pl = cf::player::load_pl $f
1323	or return;	1467	or return;
		1468
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1469	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1470	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1327	}	1472	}
1328	}	1473	}
…		…
1338		1483
1339	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1340		1485
1341	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
		1488
		1489	cf::get_slot 0.01;
1343		1490
1344	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1492	cf::cede_to_tick;
1346	}	1493	}
1347		1494
…		…
1379	my ($pl) = @_;	1526	my ($pl) = @_;
1380		1527
1381	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1382		1529
1383	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1532
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1390		1539
1391	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1431		1580
1432	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
1433	my $path = path $login;	1582	my $path = path $login;
1434		1583
1435	# a .pst is a dead give-away for a valid player	1584	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1590	}
1441		1591
…		…
1472	}	1622	}
1473		1623
1474	\@paths	1624	\@paths
1475	}	1625	}
1476		1626
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1628
1479	Expand crossfire pod fragments into protocol xml.	1629	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		1630
1528	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1529		1632
1530	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1531		1634
…		…
1598	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1600		1703
1601	sub generate_random_map {	1704	sub generate_random_map {
1602	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1603	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1604	$self->_create_random_map (	1710	$self->_create_random_map (
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1729		1835
1730	# the temporary/swap location	1836	# the temporary/swap location
1731	sub save_path {	1837	sub save_path {
1732	my ($self) = @_;	1838	my ($self) = @_;
1733		1839
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1736	}	1842	}
1737		1843
1738	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1739	sub uniq_path {	1845	sub uniq_path {
1740	my ($self) = @_;	1846	my ($self) = @_;
1741		1847
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1744	}	1850	}
1745		1851
1746	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1747	# all maps in C++...	1853	# all maps in C++...
…		…
1841	sub find {	1947	sub find {
1842	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1843		1949
1844	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1845		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1847		1954
1848	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1849	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1850	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1851	or return;	1960	or return;
1852		1961
1853	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1854		1963
…		…
1856	or return;	1965	or return;
1857		1966
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1861	$map->reset;	1972	$map->reset;
1862	undef $guard;
1863	return find $path;	1973	return find $path;
1864	}	1974	}
1865		1975
1866	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1867	}	1977	}
…		…
1876	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1877		1987
1878	my $path = $self->{path};	1988	my $path = $self->{path};
1879		1989
1880	{	1990	{
1881	my $guard1 = cf::lock_acquire "map_data:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1882	my $guard2 = cf::lock_acquire "map_load:$path";
1883		1992
		1993	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1885		1995
1886	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1887		1997
1888	$self->alloc;	1998	$self->alloc;
1889		1999
…		…
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2004	$f->skip_block;
1895	$self->_load_objects ($f)	2005	$self->_load_objects ($f)
1896	or return;	2006	or return;
1897		2007
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1899	if delete $self->{load_original};	2009	if delete $self->{load_original};
1900		2010
1901	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2012	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2013	unless (aio_stat $uniq) {
…		…
1929	}	2039	}
1930		2040
1931	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
1933		2043
1934	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1935	}	2045	}
1936		2046
1937	$self->post_load;	2047	$self->post_load;
1938	}	2048	}
1939		2049
…		…
1997	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
1998		2108
1999	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
2000		2110
2001	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2113	}
2004		2114
2005	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
2006		2116
2007	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
2008	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2122	if (my $map = find $k) {
2011	$map->load if $v;	2123	$map->load if $v;
2012	}	2124	}
…		…
2038	return if $self->{deny_save};	2150	return if $self->{deny_save};
2039		2151
2040	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
2041		2153
2042	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2044	};	2157	};
		2158
		2159	cf::get_slot 0.02;
2045		2160
2046	if ($uniq) {	2161	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2164	} else {
…		…
2058	$self->save;	2173	$self->save;
2059		2174
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2176
2062	return if $self->players;	2177	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2064	return if $self->{deny_save};	2179	return if $self->{deny_save};
2065		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
2066	$self->clear;	2185	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2186	}
2069		2187
2070	sub reset_at {	2188	sub reset_at {
2071	my ($self) = @_;	2189	my ($self) = @_;
2072		2190
…		…
2104	if $uniq;	2222	if $uniq;
2105	}	2223	}
2106		2224
2107	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
2108		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2229	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2230
2113	$self->unlink_save;	2231	$self->unlink_save;
2114	$self->destroy;	2232	$self->destroy;
2115	}	2233	}
2116		2234
…		…
2183		2301
2184	sub unique_maps() {	2302	sub unique_maps() {
2185	[	2303	[
2186	map {	2304	map {
2187	utf8::decode $_;	2305	utf8::decode $_;
2188	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2189	? normalise $_	2309	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2311	]
2193	}	2312	}
2194		2313
2195	package cf;
2196
2197	=back	2314	=back
2198		2315
2199	=head3 cf::object	2316	=head3 cf::object
2200		2317
2201	=cut	2318	=cut
…		…
2204		2321
2205	=over 4	2322	=over 4
2206		2323
2207	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2208		2325
2209	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2210		2328
2211	=cut	2329	=cut
2212		2330
2213	sub inv_recursive_;	2331	sub inv_recursive_;
2214	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2220	}	2338	}
2221		2339
2222	=item $ref = $ob->ref	2340	=item $ref = $ob->ref
2223		2341
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2342	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2343
2226	=item $ob = cf::object::deref ($refstring)	2344	=item $ob = cf::object::deref ($refstring)
2227		2345
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2347	even if the object actually exists. May block.
…		…
2231	=cut	2349	=cut
2232		2350
2233	sub deref {	2351	sub deref {
2234	my ($ref) = @_;	2352	my ($ref) = @_;
2235		2353
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2355	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2357	or return;
2243	$pl->ob->uuid eq $uuid	2358	$pl->ob->uuid eq $uuid
2244	or return;	2359	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2266		2381
2267	=cut	2382	=cut
2268		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
		2397
2269	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2399	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2402	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2415
2287	} else {	2416	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2419	}
2291	}	2420	}
2292	}	2421	}
2293		2422
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2448
2320	=item $player_object->enter_link	2449	=item $player_object->enter_link
2321		2450
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2452
2324	The player should be reasonably safe there for short amounts of time. You	2453	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.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2326		2457
2327	Will never block.	2458	Will never block.
2328		2459
2329	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2330		2461
…		…
2388		2519
2389	$map->load;	2520	$map->load;
2390	$map->load_neighbours;	2521	$map->load_neighbours;
2391		2522
2392	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2393	$self->activate_recursive;	2525	$self->activate_recursive;
2394		2526
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2397	}	2529	}
…		…
2402	her, loading and preparing them map, calling the provided $check callback	2534	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	2535	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	2536	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2537	be called at the end of this process.
2406		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
		2541
2407	=cut	2542	=cut
2408		2543
2409	our $GOTOGEN;	2544	our $GOTOGEN;
2410		2545
2411	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
…		…
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2551
2417	$self->enter_link;	2552	$self->enter_link;
2418		2553
2419	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
2420	my $map = eval {	2576	my $map = eval {
2421	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
2422		2578
2423	if ($map) {	2579	if ($map) {
2424	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
2426	} else {	2582	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2584	}
2429		2585
2430	$map	2586	$map
2431	};	2587	};
2432		2588
…		…
2468	}	2624	}
2469		2625
2470	sub prepare_random_map {	2626	sub prepare_random_map {
2471	my ($exit) = @_;	2627	my ($exit) = @_;
2472		2628
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2631	# that depends on the exit object
2478		2632
2479	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2635	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2486	}	2642	}
2487		2643
2488	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2489		2645
2490	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2493		2649
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2652	undef $fh;
2497	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2498		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2501	}	2661	}
2502	}	2662	}
2503		2663
2504	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2506		2666
2507	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2508		2668
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;	2669	$self->enter_link;
2521		2670
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 {	2671	(async {
2527	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2528	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2529	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2530		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2531	1;	2695	1
2532	}) {	2696	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2701
2538	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	2730	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	2731	the message unless the client supports the msg packet.
2568		2732
2569	=cut	2733	=cut
2570		2734
		2735	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	2736	our %CHANNEL = (
2572	"c/identify" => {	2737	"c/identify" => {
2573	id => "identify",	2738	id => "infobox",
2574	title => "Identify",	2739	title => "Identify",
2575	reply => undef,	2740	reply => undef,
2576	tooltip => "Items recently identified",	2741	tooltip => "Items recently identified",
2577	},	2742	},
2578	"c/examine" => {	2743	"c/examine" => {
2579	id => "examine",	2744	id => "infobox",
2580	title => "Examine",	2745	title => "Examine",
2581	reply => undef,	2746	reply => undef,
2582	tooltip => "Signs and other items you examined",	2747	tooltip => "Signs and other items you examined",
2583	},	2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
2584	);	2791	);
2585		2792
2586	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2588		2795
2589	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
2590		2798
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		2800
2593	# check predefined channels, for the benefit of C	2801	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
2595		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
2596	if (ref $channel) {	2810	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	2811	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	2812	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	2813	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	2814	$self->ext_msg (channel_info => $channel)
2601	if $self->can_msg;	2815	if $self->can_msg;
…		…
2609	if ($self->can_msg) {	2823	if ($self->can_msg) {
2610	# default colour, mask it out	2824	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	2826	if $color & cf::NDI_DEF;
2613		2827
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
2616	} else {	2844	} else {
2617	if ($color >= 0) {	2845	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones	2846	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {	2847	for ($msg) {
2620	1 while	2848	1 while
…		…
2818	=pod	3046	=pod
2819		3047
2820	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2821		3049
2822	cf::object	3050	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3051	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3052	insert remove name archname title slaying race decrease split
2825		3053
2826	cf::object::player	3054	cf::object::player
2827	player	3055	player
2828		3056
2829	cf::player	3057	cf::player
…		…
2834		3062
2835	=cut	3063	=cut
2836		3064
2837	for (	3065	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3067	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3068	decrease split destroy change_exp)],
2841	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2843	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2844	) {	3072	) {
2845	no strict 'refs';	3073	no strict 'refs';
…		…
2950	{	3178	{
2951	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2952		3180
2953	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2955	cf::face::set_visibility $idx, $info->{visibility};	3184	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3185	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3186	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};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2959		3188
2960	cf::cede_to_tick;	3189	cf::cede_to_tick;
2961	}	3190	}
2962		3191
2963	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2965	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2966	or next;	3196	or next;
		3197
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3199	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3201	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2989	{	3220	{
2990	# TODO: for gcfclient pleasure, we should give resources	3221	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.	3222	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3223	my $res = $facedata->{resource};
2993		3224
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;	3228	my $data;
2999		3229
3000	if ($info->{type} & 1) {	3230	if ($info->{type} & 1) {
3001	# prepend meta info	3231	# prepend meta info
3002		3232
3003	my $meta = $enc->encode ({	3233	my $meta = $enc->encode ({
3004	name => $name,	3234	name => $name,
3005	%{ $info->{meta} || {} },	3235	%{ $info->{meta} || {} },
3006	});	3236	});
3007		3237
3008	$data = pack "(w/a*)*", $meta, $info->{data};	3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
3009	} else {	3245	} else {
3010	$data = $info->{data};	3246	$RESOURCE{$name} = $info;
3011	}	3247	}
3012		3248
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;	3249	cf::cede_to_tick;
3017	}	3250	}
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	}	3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3254
3038	1	3255	1
3039	}	3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
3040		3277
3041	register_exticmd fx_want => sub {	3278	register_exticmd fx_want => sub {
3042	my ($ns, $want) = @_;	3279	my ($ns, $want) = @_;
3043		3280
3044	while (my ($k, $v) = each %$want) {	3281	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3282	$ns->fx_want ($k, $v);
3046	}	3283	}
3047	};	3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
3048		3295
3049	sub reload_regions {	3296	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3297	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3298	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3299	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3313	}
3067		3314
3068	sub reload_archetypes {	3315	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3316	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3317	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	}	3318	}
3077		3319
3078	sub reload_treasures {	3320	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3321	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
3081	}	3323	}
3082		3324
3083	sub reload_resources {	3325	sub reload_resources {
3084	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
3085		3327
		3328	reload_facedata;
		3329	reload_archetypes;
3086	reload_regions;	3330	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3331	reload_treasures;
3091		3332
3092	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
3093	}	3334	}
3094		3335
3095	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
3096	reload_resources;	3341	reload_resources;
3097	}	3342	}
3098		3343
3099	sub reload_config {	3344	sub reload_config {
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
3101	or return;	3346	or return;
3102		3347
3103	local $/;	3348	local $/;
3104	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
3105		3350
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3107		3352
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$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};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3115	};	3360	};
3116	warn $@ if $@;	3361	warn $@ if $@;
3117	}	3362	}
3118	}	3363	}
3119		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
3120	sub main {	3384	sub main {
		3385	atomic;
		3386
3121	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3390	(async {
3125	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
3127	};	3394	};
3128		3395
		3396	{
		3397	my $guard = freeze_mainloop;
3129	reload_config;	3398	reload_config;
3130	db_init;	3399	db_init;
3131	load_extensions;	3400	load_extensions;
3132		3401
3133	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
3134	Event::loop;	3410	EV::loop;
3135	}	3411	}
3136		3412
3137	#############################################################################	3413	#############################################################################
3138	# initialisation and cleanup	3414	# initialisation and cleanup
3139		3415
3140	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
3141	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3420	$SIGWATCHER{$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";	3421	cf::cleanup "SIG$signal";
3150	},
3151	);	3422	};
3152	}	3423	}
3153	}	3424	}
3154		3425
3155	sub write_runtime {	3426	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";
3157
3158	# first touch the runtime file to show we are still running:	3427	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3428	# the fsync below can take a very very long time.
3160		3429
3161	IO::AIO::aio_utime $runtime, undef, undef;	3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3431
3163	my $guard = cf::lock_acquire "write_runtime";	3432	my $guard = cf::lock_acquire "write_runtime";
3164		3433
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3166	or return;	3435	or return;
3167		3436
3168	my $value = $cf::RUNTIME + 90 + 10;	3437	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3438	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3439	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3449	aio_utime $fh, undef, undef;
3181		3450
3182	close $fh	3451	close $fh
3183	or return;	3452	or return;
3184		3453
3185	aio_rename "$runtime~", $runtime	3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3455	and return;
3187		3456
3188	warn "runtime file written.\n";	3457	warn "runtime file written.\n";
3189		3458
3190	1	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
3191	}	3503	}
3192		3504
3193	sub emergency_save() {	3505	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
3195		3507
…		…
3201	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
3203	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3519	$pl->save;
3207	}	3520	}
3208	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
3209		3522
3210	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
3216	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
3217		3530
3218	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
3221	};	3538	};
3222		3539
3223	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
3224	}	3541	}
3225		3542
3226	sub post_cleanup {	3543	sub post_cleanup {
3227	my ($make_core) = @_;	3544	my ($make_core) = @_;
3228		3545
3229	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
3231	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
3232		3580
3233	sub do_reload_perl() {	3581	sub do_reload_perl() {
3234	# can/must only be called in main	3582	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
3236	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
3237	return;	3585	return;
3238	}	3586	}
3239		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
3240	warn "reloading...";	3591	warn "reloading...";
3241		3592
3242	warn "entering sync_job";	3593	warn "entering sync_job";
3243		3594
3244	cf::sync_job {	3595	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
3246	cf::emergency_save;	3597	cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
3248		3599
3249	warn "syncing database to disk";	3600	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
3251		3602
3252	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
3253		3604
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
3265	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3266	}
3267
3268	++$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	}	3608	}
3291		3609
3292	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
3293	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
3294	}	3612	%EXT_CORO = ();
3295		3613
3296	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
3297	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
3300	warn "... unloading $k";	3623	warn "... unloading $pkg";
3301	delete $INC{$k};
3302		3624
3303	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;
3305
3306	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
3307	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
3308	}	3634	}
3309		3635
3310	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
3311	}	3651	}
3312		3652
3313	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		3656
3317	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
3320		3660
3321	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
3322	# and global variables created in xs	3662	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
3324		3664
3325	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
3326		3666
3327	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
3328	require cf;	3668	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3330		3670
3331	warn "loading config and database again";	3671	warn "loading config and database again";
3332	cf::reload_config;	3672	cf::reload_config;
3333		3673
3334	warn "loading extensions";	3674	warn "loading extensions";
3335	cf::load_extensions;	3675	cf::load_extensions;
3336		3676
3337	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
3340	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
3343		3683
3344	warn "leaving sync_job";	3684	warn "leaving sync_job";
3345		3685
3346	1	3686	1
3347	} or do {	3687	} or do {
3348	warn $@;	3688	warn $@;
3349	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
3350	exit 1;
3351	};	3690	};
3352		3691
3353	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
3354	};	3695	};
3355		3696
3356	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
3357		3698
3358	sub reload_perl() {	3699	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
3361		3702
3362	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3363	reentrant => 0,
3364	after => 0,
3365	data => WF_AUTOCANCEL,
3366	cb => sub {
3367	do_reload_perl;	3704	do_reload_perl;
3368	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
3369	},
3370	);	3706	};
3371	}	3707	}
3372		3708
3373	register_command "reload" => sub {	3709	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
3375		3711
3376	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
		3714	async {
		3715	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	3716	reload_perl;
		3717	};
3379	}	3718	}
3380	};	3719	};
3381		3720
3382	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
3383		3722
…		…
3385		3724
3386	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
3388		3727
3389	sub wait_for_tick {	3728	sub wait_for_tick {
3390	return unless $TICK_WATCHER->is_active;
3391	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
3392		3730
3393	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
3394	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;	3733	$signal->wait;
3396	}	3734	}
3397		3735
3398	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
3399	return unless $TICK_WATCHER->is_active;
3400	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3401		3738
3402	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	3741	$signal->wait;
3405	}	3742	}
3406		3743
3407	my $min = 1e6;#d#	3744	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 != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
3419	return;	3748	return;
3420	}	3749	}
3421		3750
3422	$NOW = $tick_start = Event::time;
3423
3424	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
3425		3752
3426	0 && sync_job {#d#	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3427	for(1..10) {	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3428	my $t = Event::time;	3755	Coro::async_pool {
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3756	$Coro::current->{desc} = "runtime saver";
3430	or die;	3757	write_runtime_sync
3431		3758	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	};	3759	};
		3760	}
3448		3761
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) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	3763	$sig->send;
3465	}	3764	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
3467	$sig->send;	3766	$sig->send;
3468	}	3767	}
3469		3768
3470	$NOW = Event::time;	3769	$LOAD = ($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;	3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		3771
3481	_post_tick;	3772	if (0) {
3482		3773	if ($NEXT_TICK) {
3483		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
3484	},	3778	}
3485	);	3779	}
3486		3780
3487	{	3781	{
3488	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	3783
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;	3784	BDB::min_parallel 8;
3498		3785	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	3786	$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	$! = $status;
3510	},
3511	)
3512	};
3513		3787
3514	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		3795
3517	cf::sync_job {	3796	cf::sync_job {
3518	eval {	3797	eval {
3519	BDB::db_env_open	3798	BDB::db_env_open
3520	$DB_ENV,	3799	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	3803	0666;
3525		3804
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3805	cf::cleanup "db_env_open($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	};	3806	};
3531		3807
3532	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	3809	};
3534	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
3535	}	3821	}
3536		3822
3537	{	3823	{
		3824	# configure IO::AIO
		3825
3538	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	3828	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	}	3829	}
3551		3830
3552	my $_log_backtrace;	3831	my $_log_backtrace;
3553		3832
3554	sub _log_backtrace {	3833	sub _log_backtrace {
…		…
3557	$msg =~ s/\n//;	3836	$msg =~ s/\n//;
3558		3837
3559	# limit the # of concurrent backtraces	3838	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	3839	if ($_log_backtrace < 2) {
3561	++$_log_backtrace;	3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
3562	async {	3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
3563	my @bt = fork_call {	3845	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	3846	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	3849	or die "addr2line: $!";
…		…
3575	}	3857	}
3576		3858
3577	@funcs	3859	@funcs
3578	};	3860	};
3579		3861
3580	LOG llevInfo, "[ABT] $msg\n";	3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	3864	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	3865	--$_log_backtrace;
3583	};	3866	};
3584	} else {	3867	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	3868	LOG llevInfo, "[ABT] $msg\n";

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