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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
102		132
103	binmode STDOUT;	133	binmode STDOUT;
104	binmode STDERR;	134	binmode STDERR;
105		135
106	# read virtual server time, if available	136	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
111	}	141	}
112		142
113	mkdir $_	143	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		189
160	The raw value load value from the last tick.	190	The raw value load value from the last tick.
161		191
162	=item %cf::CFG	192	=item %cf::CFG
163		193
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	195	from wherever your confdir points to.
166		196
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		198
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	217	$msg .= "\n"
188	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
189		219
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		221
192	utf8::encode $msg;
193	LOG llevError, $msg;	222	LOG llevError, $msg;
194	};	223	};
195	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
196		240
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	251	for my $pkg (qw(
208	cf::global cf::attachable	252	cf::global cf::attachable
209	cf::object cf::object::player	253	cf::object cf::object::player
210	cf::client cf::player	254	cf::client cf::player
211	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
212	cf::map cf::party cf::region	257	cf::party cf::region
213	)) {	258	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	260	}
217		261
218	$Event::DIED = sub {	262	$EV::DIED = sub {
219	warn "error in event callback: @_";	263	warn "error in event callback: @_";
220	};	264	};
221		265
222	#############################################################################	266	#############################################################################
223		267
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	291	$d
248	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
249	}	293	}
250		294
251	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
252		296
253	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
254		298
255	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
256		300
257	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
258		302
259	=cut	303	=cut
260		304
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		306
263	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
265		309
266	=item cf::lock_wait $string	310	=item cf::lock_wait $string
267		311
268	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
269		313
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
286		330
287	=cut	331	=cut
288		332
289	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
290		335
291	sub lock_wait($) {	336	sub lock_wait($) {
292	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
293		343
294	# wait for lock, if any	344	# wait for lock, if any
295	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	347	Coro::schedule;
…		…
303		353
304	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
305	lock_wait $key;	355	lock_wait $key;
306		356
307	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
308		359
309	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
312	}	364	}
313	}	365	}
314		366
…		…
317		369
318	! ! $LOCK{$key}	370	! ! $LOCK{$key}
319	}	371	}
320		372
321	sub freeze_mainloop {	373	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
323		375
324	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	377	}
326	};	378
327	$TICK_WATCHER->stop;	379	=item cf::periodic $interval, $cb
328	$guard	380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
329	}	392	}
330		393
331	=item cf::get_slot $time[, $priority[, $name]]	394	=item cf::get_slot $time[, $priority[, $name]]
332		395
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	407	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	408	our $SLOT_QUEUE;
346		409
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
349	my $signal = new Coro::Signal;	414	my $signal = new Coro::Signal;
350		415
351	while () {	416	while () {
352	next_job:	417	next_job:
353	my $avail = cf::till_tick;	418	my $avail = cf::till_tick;
…		…
361	}	426	}
362	}	427	}
363	}	428	}
364		429
365	if (@SLOT_QUEUE) {	430	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	432	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	433	$signal->wait;
369	} else {	434	} else {
370	Coro::schedule;	435	Coro::schedule;
371	}	436	}
372	}	437	}
373	};	438	};
374		439
375	sub get_slot($;$$) {	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
376	my ($time, $pri, $name) = @_;	443	my ($time, $pri, $name) = @_;
377		444
378	$time = $TICK * .6 if $time > $TICK * .6;	445	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	446	my $sig = new Coro::Signal;
380		447
…		…
394		461
395	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
396		463
397	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
398		465
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	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	467	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	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	469	acceptable.
403		470
404	If it must be done, put the blocking parts into C<sync_job>. This will run	471	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	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		477
411	sub sync_job(&) {	478	sub sync_job(&) {
412	my ($job) = @_;	479	my ($job) = @_;
413		480
414	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	482	my $time = EV::time;
416		483
417	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
419		486
420	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	488
422	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
423		490
424	my $busy = 1;	491	my $busy = 1;
425	my @res;	492	my @res;
426		493
427	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	496	@res = eval { $job->() };
429	warn $@ if $@;	497	warn $@ if $@;
430	undef $busy;	498	undef $busy;
431	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
432		500
433	while ($busy) {	501	while ($busy) {
434	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
435	}	506	}
		507	}
436		508
437	$time = Event::time - $time;	509	my $time = EV::time - $time;
438		510
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	511	$TICK_START += $time; # do not account sync jobs to server load
443		512
444	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
445	} else {	514	} else {
446	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
447		516
…		…
472	=item fork_call { }, $args	541	=item fork_call { }, $args
473		542
474	Executes the given code block with the given arguments in a seperate	543	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	545	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
478		547
479	=cut	548	=cut
480		549
481	sub fork_call(&@) {	550	sub fork_call(&@) {
482	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
483		552
484	# we seemingly have to make a local copy of the whole thing,	553	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	554	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	555	# TODO: investigate and fix (likely this will be rather laborious)
487		556
488	my @res = Coro::Util::fork_eval {	557	my @res = Coro::Util::fork_eval {
489	reset_signals;	558	reset_signals;
490	&$cb	559	&$cb
491	}, @args;	560	}, @args;
492		561
493	wantarray ? @res : $res[-1]	562	wantarray ? @res : $res[-1]
494	}	563	}
495		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
496	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
497		593
498	Returns a single value from the environment database.	594	Returns a single value from the environment database.
499		595
500	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
501		597
502	Stores the given C<$value> in the family. It can currently store binary	598	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).	599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
505	=cut	606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
506		624
507	our $DB;	625	our $DB;
508		626
509	sub db_init {	627	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	628	cf::sync_job {
514	eval {	629	$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	}	630	};
524	}	631	}
525		632
526	sub db_get($$) {	633	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
528		635
…		…
626		733
627	#############################################################################	734	#############################################################################
628		735
629	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
630		737
631	Many objects in crossfire are so-called attachable objects. That means you can	738	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")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
634		741
635	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	744	Deliantra).
638		745
639	=over 4	746	=over 4
640		747
641	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
642		749
…		…
686	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
687		794
688	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
690		797
691	Some classes such as crossfire maps and objects can specify attachments	798	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.	799	that are attached at load/instantiate time, thus the need for a name.
693		800
694	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
695		802
696	=over 4	803	=over 4
…		…
924	}	1031	}
925		1032
926	0	1033	0
927	}	1034	}
928		1035
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1037
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1039
933	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
934		1041
…		…
940		1047
941	=cut	1048	=cut
942		1049
943	#############################################################################	1050	#############################################################################
944	# object support	1051	# object support
945	#
946		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
947	sub _can_merge {	1086	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1087	my ($ob1, $ob2) = @_;
949		1088
950	local $Storable::canonical = 1;	1089	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1090
954	$fob1 eq $fob2	1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
955	}	1093	}
956		1094
957	sub reattach {	1095	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1097	my ($obj) = @_;
960		1098
		1099	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1101
963	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
964		1103
965	@$registry = ();	1104	@$registry = ();
966		1105
…		…
981	cf::attachable->attach (	1120	cf::attachable->attach (
982	prio => -1000000,	1121	prio => -1000000,
983	on_instantiate => sub {	1122	on_instantiate => sub {
984	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
985		1124
986	$data = from_json $data;	1125	$data = decode_json $data;
987		1126
988	for (@$data) {	1127	for (@$data) {
989	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
990		1129
991	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1146	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
1009		1148
1010	sync_job {	1149	sync_job {
1011	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
1014		1154
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1159	aio_close $fh;
1020		1160
1021	if (@$objs) {	1161	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1167	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1169	}
1030	} else {	1170	} else {
1031	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
1032	}	1172	}
…		…
1037	}	1177	}
1038	} else {	1178	} else {
1039	aio_unlink $filename;	1179	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
1041	}	1181	}
1042	}	1182	};
1043	}	1183	}
1044		1184
1045	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
1047		1187
…		…
1059	or return;	1199	or return;
1060		1200
1061	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1203	or return;
		1204
1064	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1065	}	1207	}
1066		1208
		1209	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
1069	return ($data, $av);	1213	($data, $av)
1070	}	1214	}
1071		1215
1072	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
1073		1217
1074	=over 4	1218	=over 4
…		…
1197		1341
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1344
1201	$ext{source} =	1345	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1204	. $source	1348	. $source
1205	. "\n};\n1";	1349	. "\n};\n1";
1206		1350
1207	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1225		1369
1226	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1371	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1373	}
1231		1374
1232	warn $msg;	1375	warn $msg;
1233	}	1376	}
1234		1377
…		…
1248		1391
1249	=back	1392	=back
1250		1393
1251	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1252		1395
1253	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1254		1397
1255	=cut	1398	=cut
1256		1399
1257	package cf::player;	1400	package cf::player;
1258		1401
1259	use Coro::AIO;	1402	use Coro::AIO;
1260		1403
1261	=head3 cf::player	1404	=head3 cf::player
1262		1405
1263	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1264		1421
1265	=item cf::player::find $login	1422	=item cf::player::find $login
1266		1423
1267	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1268		1425
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1465
1309	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1312	}	1475	}
1313	}	1476	}
1314	}	1477	}
1315		1478
…		…
1323		1486
1324	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1325		1488
1326	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
		1491
		1492	cf::get_slot 0.01;
1328		1493
1329	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1495	cf::cede_to_tick;
1331	}	1496	}
1332		1497
…		…
1364	my ($pl) = @_;	1529	my ($pl) = @_;
1365		1530
1366	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1367		1532
1368	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1535
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1375		1542
1376	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1580	or return [];
1414		1581
1415	my @logins;	1582	my @logins;
1416		1583
1417	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1421		1594
1422	utf8::decode $login;	1595	utf8::decode $login;
1423	push @logins, $login;	1596	push @logins, $login;
1424	}	1597	}
1425		1598
…		…
1452	}	1625	}
1453		1626
1454	\@paths	1627	\@paths
1455	}	1628	}
1456		1629
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1631
1459	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1633
1508	=item $player->ext_reply ($msgid, @msg)	1634	=item $player->ext_reply ($msgid, @msg)
1509		1635
1510	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1511		1637
…		…
1578	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1580		1706
1581	sub generate_random_map {	1707	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1583	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1713	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1838
1710	# the temporary/swap location	1839	# the temporary/swap location
1711	sub save_path {	1840	sub save_path {
1712	my ($self) = @_;	1841	my ($self) = @_;
1713		1842
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1716	}	1845	}
1717		1846
1718	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1719	sub uniq_path {	1848	sub uniq_path {
1720	my ($self) = @_;	1849	my ($self) = @_;
1721		1850
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1724	}	1853	}
1725		1854
1726	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1727	# all maps in C++...	1856	# all maps in C++...
…		…
1750		1879
1751	sub load_header_from($) {	1880	sub load_header_from($) {
1752	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1753		1882
1754	utf8::encode $path;	1883	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1760		1892
1761	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1762		1894
1763	1	1895	1
1764	}	1896	}
…		…
1818	sub find {	1950	sub find {
1819	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1820		1952
1821	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1822		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1824		1957
1825	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1826	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1827	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1828	or return;	1963	or return;
1829		1964
1830	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1831		1966
…		…
1833	or return;	1968	or return;
1834		1969
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1838	$map->reset;	1975	$map->reset;
1839	undef $guard;
1840	return find $path;	1976	return find $path;
1841	}	1977	}
1842		1978
1843	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1844	}	1980	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1854		1990
1855	my $path = $self->{path};	1991	my $path = $self->{path};
1856		1992
1857	{	1993	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		1995
		1996	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		1998
1863	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1864		2000
1865	$self->alloc;	2001	$self->alloc;
1866		2002
1867	$self->pre_load;	2003	$self->pre_load;
1868	cf::cede_to_tick;	2004	cf::cede_to_tick;
1869		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1871	or return;	2009	or return;
1872		2010
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1874	if delete $self->{load_original};	2012	if delete $self->{load_original};
1875		2013
1876	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2015	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2018	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1881	}	2022	}
1882	}	2023	}
		2024
		2025	$f->resolve_delayed_derefs;
1883		2026
1884	cf::cede_to_tick;	2027	cf::cede_to_tick;
1885	# now do the right thing for maps	2028	# now do the right thing for maps
1886	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
…		…
1899	}	2042	}
1900		2043
1901	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1903		2046
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2048	}
1906		2049
1907	$self->post_load;	2050	$self->post_load;
1908	}	2051	}
1909		2052
…		…
1967	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
1968		2111
1969	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1970		2113
1971	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2116	}
1974		2117
1975	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
1976		2119
1977	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1978	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2125	if (my $map = find $k) {
1981	$map->load if $v;	2126	$map->load if $v;
1982	}	2127	}
…		…
2008	return if $self->{deny_save};	2153	return if $self->{deny_save};
2009		2154
2010	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2011		2156
2012	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2014	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2015		2163
2016	if ($uniq) {	2164	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2167	} else {
…		…
2028	$self->save;	2176	$self->save;
2029		2177
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2179
2032	return if $self->players;	2180	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2182	return if $self->{deny_save};
2035		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2188	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2189	}
2039		2190
2040	sub reset_at {	2191	sub reset_at {
2041	my ($self) = @_;	2192	my ($self) = @_;
2042		2193
…		…
2074	if $uniq;	2225	if $uniq;
2075	}	2226	}
2076		2227
2077	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2078		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2232	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2233
2083	$self->unlink_save;	2234	$self->unlink_save;
2084	$self->destroy;	2235	$self->destroy;
2085	}	2236	}
2086		2237
…		…
2153		2304
2154	sub unique_maps() {	2305	sub unique_maps() {
2155	[	2306	[
2156	map {	2307	map {
2157	utf8::decode $_;	2308	utf8::decode $_;
2158	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2159	? normalise $_	2312	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2314	]
2163	}	2315	}
2164		2316
2165	package cf;
2166
2167	=back	2317	=back
2168		2318
2169	=head3 cf::object	2319	=head3 cf::object
2170		2320
2171	=cut	2321	=cut
…		…
2174		2324
2175	=over 4	2325	=over 4
2176		2326
2177	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2178		2328
2179	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2180		2331
2181	=cut	2332	=cut
2182		2333
2183	sub inv_recursive_;	2334	sub inv_recursive_;
2184	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2187		2338
2188	sub inv_recursive {	2339	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2190	}	2341	}
2191		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2192	package cf;	2371	package cf;
2193		2372
2194	=back	2373	=back
2195		2374
2196	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2205		2384
2206	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2207		2400
2208	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2402	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2418
2226	} else {	2419	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2422	}
2230	}	2423	}
2231	}	2424	}
2232		2425
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2451
2259	=item $player_object->enter_link	2452	=item $player_object->enter_link
2260		2453
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2455
2263	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2265		2460
2266	Will never block.	2461	Will never block.
2267		2462
2268	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2269		2464
…		…
2327		2522
2328	$map->load;	2523	$map->load;
2329	$map->load_neighbours;	2524	$map->load_neighbours;
2330		2525
2331	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2332	$self->activate_recursive;	2528	$self->activate_recursive;
2333		2529
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2336	}	2532	}
…		…
2341	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2540	be called at the end of this process.
2345		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2346	=cut	2545	=cut
2347		2546
2348	our $GOTOGEN;	2547	our $GOTOGEN;
2349		2548
2350	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2554
2356	$self->enter_link;	2555	$self->enter_link;
2357		2556
2358	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2359	my $map = eval {	2579	my $map = eval {
2360	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2361		2581
2362	if ($map) {	2582	if ($map) {
2363	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2365	} else {	2585	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2587	}
2368		2588
2369	$map	2589	$map
2370	};	2590	};
2371		2591
…		…
2407	}	2627	}
2408		2628
2409	sub prepare_random_map {	2629	sub prepare_random_map {
2410	my ($exit) = @_;	2630	my ($exit) = @_;
2411		2631
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2634	# that depends on the exit object
2417		2635
2418	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2638	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2425	}	2645	}
2426		2646
2427	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2428		2648
2429	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2432		2652
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2655	undef $fh;
2436	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2437		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2440	}	2664	}
2441	}	2665	}
2442		2666
2443	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2445		2669
2446	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2447		2671
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2672	$self->enter_link;
2460		2673
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2674	(async {
2466	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2467	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2468	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2469		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2470	1;	2698	1
2471	}) {	2699	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2704
2477	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2507		2735
2508	=cut	2736	=cut
2509		2737
		2738	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2739	our %CHANNEL = (
2511	"c/identify" => {	2740	"c/identify" => {
2512	id => "identify",	2741	id => "infobox",
2513	title => "Identify",	2742	title => "Identify",
2514	reply => undef,	2743	reply => undef,
2515	tooltip => "Items recently identified",	2744	tooltip => "Items recently identified",
2516	},	2745	},
2517	"c/examine" => {	2746	"c/examine" => {
2518	id => "examine",	2747	id => "infobox",
2519	title => "Examine",	2748	title => "Examine",
2520	reply => undef,	2749	reply => undef,
2521	tooltip => "Signs and other items you examined",	2750	tooltip => "Signs and other items you examined",
2522	},	2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
2523	);	2794	);
2524		2795
2525	sub cf::client::send_msg {	2796	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2797	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2798
2528	$msg = $self->pl->expand_cfpod ($msg);	2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
2529		2801
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2803
2532	# check predefined channels, for the benefit of C	2804	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
2534		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
2535	if (ref $channel) {	2813	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2814	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2815	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2816	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	2817	$self->ext_msg (channel_info => $channel)
2540	if $self->can_msg;	2818	if $self->can_msg;
…		…
2548	if ($self->can_msg) {	2826	if ($self->can_msg) {
2549	# default colour, mask it out	2827	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	2829	if $color & cf::NDI_DEF;
2552		2830
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
2555	} else {	2847	} else {
2556	if ($color >= 0) {	2848	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones	2849	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {	2850	for ($msg) {
2559	1 while	2851	1 while
…		…
2757	=pod	3049	=pod
2758		3050
2759	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2760		3052
2761	cf::object	3053	cf::object
2762	contr pay_amount pay_player map x y force_find force_add	3054	contr pay_amount pay_player map x y force_find force_add destroy
2763	insert remove name archname title slaying race decrease_ob_nr	3055	insert remove name archname title slaying race decrease split
2764		3056
2765	cf::object::player	3057	cf::object::player
2766	player	3058	player
2767		3059
2768	cf::player	3060	cf::player
…		…
2773		3065
2774	=cut	3066	=cut
2775		3067
2776	for (	3068	for (
2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778	insert remove inv name archname title slaying race	3070	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3071	decrease split destroy change_exp)],
2780	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2782	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2783	) {	3075	) {
2784	no strict 'refs';	3076	no strict 'refs';
…		…
2889	{	3181	{
2890	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2891		3183
2892	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2894	cf::face::set_visibility $idx, $info->{visibility};	3187	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3188	cf::face::set_magicmap $idx, $info->{magicmap};
2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2898		3191
2899	cf::cede_to_tick;	3192	cf::cede_to_tick;
2900	}	3193	}
2901		3194
2902	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2904	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2905	or next;	3199	or next;
		3200
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3202	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3204	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2928	{	3223	{
2929	# TODO: for gcfclient pleasure, we should give resources	3224	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.	3225	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3226	my $res = $facedata->{resource};
2932		3227
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;	3231	my $data;
2938		3232
2939	if ($info->{type} & 1) {	3233	if ($info->{type} & 1) {
2940	# prepend meta info	3234	# prepend meta info
2941		3235
2942	my $meta = $enc->encode ({	3236	my $meta = $enc->encode ({
2943	name => $name,	3237	name => $name,
2944	%{ $info->{meta} || {} },	3238	%{ $info->{meta} || {} },
2945	});	3239	});
2946		3240
2947	$data = pack "(w/a*)*", $meta, $info->{data};	3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
2948	} else {	3248	} else {
2949	$data = $info->{data};	3249	$RESOURCE{$name} = $info;
2950	}	3250	}
2951		3251
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3252	cf::cede_to_tick;
2956	}	3253	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3257
2977	1	3258	1
2978	}	3259	}
		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
2979		3280
2980	register_exticmd fx_want => sub {	3281	register_exticmd fx_want => sub {
2981	my ($ns, $want) = @_;	3282	my ($ns, $want) = @_;
2982		3283
2983	while (my ($k, $v) = each %$want) {	3284	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3285	$ns->fx_want ($k, $v);
2985	}	3286	}
2986	};	3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
2987		3298
2988	sub reload_regions {	3299	sub reload_regions {
2989	# HACK to clear player env face cache, we need some signal framework	3300	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)	3301	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3302	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3005	}	3316	}
3006		3317
3007	sub reload_archetypes {	3318	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3319	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3320	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references
3011	# this really needs to be done in an extra post-pass
3012	# (which needs to be synchronous, so solve it differently)
3013	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";
3015	}	3321	}
3016		3322
3017	sub reload_treasures {	3323	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3324	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3325	or die "unable to load treasurelists\n";
3020	}	3326	}
3021		3327
3022	sub reload_resources {	3328	sub reload_resources {
3023	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
3024		3330
		3331	reload_facedata;
		3332	reload_archetypes;
3025	reload_regions;	3333	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3334	reload_treasures;
3030		3335
3031	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
3032	}	3337	}
3033		3338
3034	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
3035	reload_resources;	3344	reload_resources;
3036	}	3345	}
3037		3346
3038	sub reload_config {	3347	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3040	or return;	3349	or return;
3041		3350
3042	local $/;	3351	local $/;
3043	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
3044		3353
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3046		3355
3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3054	};	3363	};
3055	warn $@ if $@;	3364	warn $@ if $@;
3056	}	3365	}
3057	}	3366	}
3058		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3059	sub main {	3387	sub main {
		3388	atomic;
		3389
3060	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3063	(async {	3393	(async {
3064	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
3066	};	3397	};
3067		3398
		3399	{
		3400	my $guard = freeze_mainloop;
3068	reload_config;	3401	reload_config;
3069	db_init;	3402	db_init;
3070	load_extensions;	3403	load_extensions;
3071		3404
3072	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
3073	Event::loop;	3413	EV::loop;
3074	}	3414	}
3075		3415
3076	#############################################################################	3416	#############################################################################
3077	# initialisation and cleanup	3417	# initialisation and cleanup
3078		3418
3079	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
3080	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
3089	},
3090	);	3425	};
3091	}	3426	}
3092	}	3427	}
3093		3428
3094	sub write_runtime {	3429	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";
3096
3097	# first touch the runtime file to show we are still running:	3430	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3431	# the fsync below can take a very very long time.
3099		3432
3100	IO::AIO::aio_utime $runtime, undef, undef;	3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		3434
3102	my $guard = cf::lock_acquire "write_runtime";	3435	my $guard = cf::lock_acquire "write_runtime";
3103		3436
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3105	or return;	3438	or return;
3106		3439
3107	my $value = $cf::RUNTIME + 90 + 10;	3440	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	3441	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	3442	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	3452	aio_utime $fh, undef, undef;
3120		3453
3121	close $fh	3454	close $fh
3122	or return;	3455	or return;
3123		3456
3124	aio_rename "$runtime~", $runtime	3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	3458	and return;
3126		3459
3127	warn "runtime file written.\n";	3460	warn "runtime file written.\n";
3128		3461
3129	1	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
3130	}	3506	}
3131		3507
3132	sub emergency_save() {	3508	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
3134		3510
…		…
3140	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
3142	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3522	$pl->save;
3146	}	3523	}
3147	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
3148		3525
3149	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
3155	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
3156		3533
3157	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
3160	};	3541	};
3161		3542
3162	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
3163	}	3544	}
3164		3545
3165	sub post_cleanup {	3546	sub post_cleanup {
3166	my ($make_core) = @_;	3547	my ($make_core) = @_;
3167		3548
3168	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
3170	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
3171		3583
3172	sub do_reload_perl() {	3584	sub do_reload_perl() {
3173	# can/must only be called in main	3585	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
3175	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
3176	return;	3588	return;
3177	}	3589	}
3178		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
3179	warn "reloading...";	3594	warn "reloading...";
3180		3595
3181	warn "entering sync_job";	3596	warn "entering sync_job";
3182		3597
3183	cf::sync_job {	3598	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
3185	cf::emergency_save;	3600	cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
3187		3602
3188	warn "syncing database to disk";	3603	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3190		3605
3191	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
3192		3607
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
3204	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();
3212
3213	warn "removing commands";
3214	%COMMAND = ();
3215
3216	warn "removing ext/exti commands";
3217	%EXTCMD = ();
3218	%EXTICMD = ();
3219
3220	warn "unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";
3223
3224	if (my $cb = $pkg->can ("unload")) {
3225	eval {
3226	$cb->($pkg);
3227	1
3228	} or warn "$pkg unloaded, but with errors: $@";
3229	}	3611	}
3230		3612
3231	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
3232	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
3233	}	3615	%EXT_CORO = ();
3234		3616
3235	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
3236	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
3239	warn "... unloading $k";	3626	warn "... unloading $pkg";
3240	delete $INC{$k};
3241		3627
3242	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;
3244
3245	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
3246	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
3247	}	3637	}
3248		3638
3249	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
3250	}	3654	}
3251		3655
3252	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3255		3659
3256	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
3259		3663
3260	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
3261	# and global variables created in xs	3665	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
3263		3667
3264	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
3265		3669
3266	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
3267	require cf;	3671	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3269		3673
3270	warn "loading config and database again";	3674	warn "loading config and database again";
3271	cf::reload_config;	3675	cf::reload_config;
3272		3676
3273	warn "loading extensions";	3677	warn "loading extensions";
3274	cf::load_extensions;	3678	cf::load_extensions;
3275		3679
3276	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
3279	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
3282		3686
3283	warn "leaving sync_job";	3687	warn "leaving sync_job";
3284		3688
3285	1	3689	1
3286	} or do {	3690	} or do {
3287	warn $@;	3691	warn $@;
3288	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
3289	exit 1;
3290	};	3693	};
3291		3694
3292	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
3293	};	3698	};
3294		3699
3295	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
3296		3701
3297	sub reload_perl() {	3702	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
3300		3705
3301	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3302	reentrant => 0,
3303	after => 0,
3304	data => WF_AUTOCANCEL,
3305	cb => sub {
3306	do_reload_perl;	3707	do_reload_perl;
3307	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
3308	},
3309	);	3709	};
3310	}	3710	}
3311		3711
3312	register_command "reload" => sub {	3712	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
3314		3714
3315	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	3719	reload_perl;
		3720	};
3318	}	3721	}
3319	};	3722	};
3320		3723
3321	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
3322		3725
…		…
3324		3727
3325	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
3327		3730
3328	sub wait_for_tick {	3731	sub wait_for_tick {
3329	return unless $TICK_WATCHER->is_active;
3330	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
3331		3733
3332	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
3333	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;	3736	$signal->wait;
3335	}	3737	}
3336		3738
3337	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
3338	return unless $TICK_WATCHER->is_active;
3339	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
3340		3741
3341	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	3744	$signal->wait;
3344	}	3745	}
3345		3746
3346	my $min = 1e6;#d#	3747	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
3358	return;	3751	return;
3359	}	3752	}
3360		3753
3361	$NOW = $tick_start = Event::time;
3362
3363	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
3364		3755
3365	0 && sync_job {#d#	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	3758	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3759	$Coro::current->{desc} = "runtime saver";
3369	or die;	3760	write_runtime_sync
3370		3761	or warn "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	3762	};
		3763	}
3387		3764
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	3766	$sig->send;
3404	}	3767	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
3406	$sig->send;	3769	$sig->send;
3407	}	3770	}
3408		3771
3409	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		3774
3420	_post_tick;	3775	if (0) {
3421		3776	if ($NEXT_TICK) {
3422		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
3423	},	3781	}
3424	);	3782	}
3425		3783
3426	{	3784	{
3427	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	3786
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
3437		3788	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		3790
3453	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
3454	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3455		3798
3456	cf::sync_job {	3799	cf::sync_job {
3457	eval {	3800	eval {
3458	BDB::db_env_open	3801	BDB::db_env_open
3459	$DB_ENV,	3802	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	3806	0666;
3464		3807
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	3809	};
3470		3810
3471	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	3812	};
3473	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
3474	}	3824	}
3475		3825
3476	{	3826	{
		3827	# configure IO::AIO
		3828
3477	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	3832	}
3490		3833
3491	my $_log_backtrace;	3834	my $_log_backtrace;
3492		3835
3493	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3496	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
3497		3840
3498	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3500	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
3501	async {	3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
3502	my @bt = fork_call {	3848	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506	or die "addr2line: $!";	3852	or die "addr2line: $!";
…		…
3514	}	3860	}
3515		3861
3516	@funcs	3862	@funcs
3517	};	3863	};
3518		3864
3519	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	3868	--$_log_backtrace;
3522	};	3869	};
3523	} else {	3870	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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