ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 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 qw(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
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
63		95
64	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	97	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
75		111
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	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	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	114	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		116
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	120	our $DB_ENV;
89		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
		123
90	our %CFG;	124	our %CFG;
91		125
92	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
94		129
95	our (%PLAYER, %PLAYER_LOADING); # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
98		133
99	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		136
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
105		146
106	binmode STDOUT;	147	binmode STDOUT;
107	binmode STDERR;	148	binmode STDERR;
108		149
109	# read virtual server time, if available	150	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
114	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
115		158
116	mkdir $_	159	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		161
119	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
120		163
121	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
122		173
123	#############################################################################	174	#############################################################################
124		175
125	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
126		177
…		…
162		213
163	The raw value load value from the last tick.	214	The raw value load value from the last tick.
164		215
165	=item %cf::CFG	216	=item %cf::CFG
166		217
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	219	from wherever your confdir points to.
169		220
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		222
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		228
178	This array contains the results of the last C<invoke ()> call. When	229	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	231	that call.
181		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
		238
182	=back	239	=back
183		240
184	=cut	241	=cut
185		242
186	BEGIN {	243	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	244	my $msg = join "", @_;
189		245
190	$msg .= "\n"	246	$msg .= "\n"
191	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
192		248
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		250
195	LOG llevError, $msg;	251	LOG llevError, $msg;
196	};	252	};
197	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
198		267
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	278	for my $pkg (qw(
210	cf::global cf::attachable	279	cf::global cf::attachable
211	cf::object cf::object::player	280	cf::object cf::object::player
212	cf::client cf::player	281	cf::client cf::player
213	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
214	cf::map cf::party cf::region	284	cf::party cf::region
215	)) {	285	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	287	}
219		288
220	$Event::DIED = sub {	289	$EV::DIED = sub {
221	warn "error in event callback: @_";	290	warn "error in event callback: @_";
222	};	291	};
223		292
224	#############################################################################	293	#############################################################################
225		294
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	318	$d
250	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
251	}	320	}
252		321
253	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
254		323
255	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
256		325
257	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
258		327
259	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
260		329
261	=cut	330	=cut
262		331
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		333
265	sub to_json ($) { $json_coder->encode ($_[0]) }	334	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
267		350
268	=item cf::lock_wait $string	351	=item cf::lock_wait $string
269		352
270	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
271		354
272	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
273		356
274	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
277	returned.	360	returned.
278		361
279	Locks are *not* recursive, locking from the same coro twice results in a	362	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	363	deadlocked coro.
…		…
286		369
287	Return true if the lock is currently active, i.e. somebody has locked it.	370	Return true if the lock is currently active, i.e. somebody has locked it.
288		371
289	=cut	372	=cut
290		373
291	our %LOCK;	374	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		375
294	sub lock_wait($) {	376	sub lock_wait($) {
295	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	378	}
308		379
309	sub lock_acquire($) {	380	sub lock_acquire($) {
310	my ($key) = @_;	381	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	382	}
324		383
325	sub lock_active($) {	384	sub lock_active($) {
326	my ($key) = @_;	385	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	386	}
330		387
331	sub freeze_mainloop {	388	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
333		390
334	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	392	}
336	};	393
337	$TICK_WATCHER->stop;	394	=item cf::periodic $interval, $cb
338	$guard	395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
339	}	407	}
340		408
341	=item cf::get_slot $time[, $priority[, $name]]	409	=item cf::get_slot $time[, $priority[, $name]]
342		410
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	441	}
374	}	442	}
375	}	443	}
376		444
377	if (@SLOT_QUEUE) {	445	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	447	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	448	$signal->wait;
381	} else {	449	} else {
382	Coro::schedule;	450	Coro::schedule;
383	}	451	}
384	}	452	}
385	};	453	};
386		454
387	sub get_slot($;$$) {	455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
388	my ($time, $pri, $name) = @_;	458	my ($time, $pri, $name) = @_;
389		459
390	$time = $TICK * .6 if $time > $TICK * .6;	460	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	461	my $sig = new Coro::Signal;
392		462
…		…
406		476
407	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
408		478
409	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
410		480
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	481	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	482	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	484	acceptable.
415		485
416	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		492
423	sub sync_job(&) {	493	sub sync_job(&) {
424	my ($job) = @_;	494	my ($job) = @_;
425		495
426	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	497	my $time = EV::time;
428		498
429	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
431		501
432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#	502	LOG llevError, Carp::longmess "sync job";#d#
433		503
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
437		505
438	my $busy = 1;	506	my $busy = 1;
439	my @res;	507	my @res;
440		508
…		…
444	warn $@ if $@;	512	warn $@ if $@;
445	undef $busy;	513	undef $busy;
446	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
447		515
448	while ($busy) {	516	while ($busy) {
449	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
450	}	521	}
		522	}
451		523
452	$time = Event::time - $time;	524	my $time = EV::time - $time;
453		525
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	526	$TICK_START += $time; # do not account sync jobs to server load
458		527
459	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
460	} else {	529	} else {
461	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
462		531
…		…
487	=item fork_call { }, $args	556	=item fork_call { }, $args
488		557
489	Executes the given code block with the given arguments in a seperate	558	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	559	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	560	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	561	never block itself or use any form of event handling.
493		562
494	=cut	563	=cut
495		564
496	sub fork_call(&@) {	565	sub fork_call(&@) {
497	my ($cb, @args) = @_;	566	my ($cb, @args) = @_;
…		…
504	reset_signals;	573	reset_signals;
505	&$cb	574	&$cb
506	}, @args;	575	}, @args;
507		576
508	wantarray ? @res : $res[-1]	577	wantarray ? @res : $res[-1]
		578	}
		579
		580	=item $coin = coin_from_name $name
		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
509	}	605	}
510		606
511	=item $value = cf::db_get $family => $key	607	=item $value = cf::db_get $family => $key
512		608
513	Returns a single value from the environment database.	609	Returns a single value from the environment database.
…		…
652		748
653	#############################################################################	749	#############################################################################
654		750
655	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
656		752
657	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
660		756
661	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	759	Deliantra).
664		760
665	=over 4	761	=over 4
666		762
667	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
668		764
…		…
712	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
713		809
714	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
716		812
717	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
719		815
720	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
721		817
722	=over 4	818	=over 4
…		…
950	}	1046	}
951		1047
952	0	1048	0
953	}	1049	}
954		1050
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1052
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1054
959	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
960		1056
…		…
966		1062
967	=cut	1063	=cut
968		1064
969	#############################################################################	1065	#############################################################################
970	# object support	1066	# object support
971	#
972		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
973	sub _can_merge {	1101	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1102	my ($ob1, $ob2) = @_;
975		1103
976	local $Storable::canonical = 1;	1104	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1105
980	$fob1 eq $fob2	1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
981	}	1108	}
982		1109
983	sub reattach {	1110	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1112	my ($obj) = @_;
986		1113
		1114	# no longer needed after getting rid of delete_package?
987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
988		1116
989	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
990		1118
991	@$registry = ();	1119	@$registry = ();
992		1120
…		…
1007	cf::attachable->attach (	1135	cf::attachable->attach (
1008	prio => -1000000,	1136	prio => -1000000,
1009	on_instantiate => sub {	1137	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
1011		1139
1012	$data = from_json $data;	1140	$data = decode_json $data;
1013		1141
1014	for (@$data) {	1142	for (@$data) {
1015	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
1016		1144
1017	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
1038	utf8::decode (my $decname = $filename);	1166	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
1041		1169
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1175	aio_fsync $fh;
		1176	}
1046	close $fh;	1177	aio_close $fh;
1047		1178
1048	if (@$objs) {	1179	if (@$objs) {
1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
1051	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
1054	close $fh;	1188	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1190	}
1057	} else {	1191	} else {
1058	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
1059	}	1193	}
1060		1194
1061	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1199	} else {
1063	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
1064	}	1201	}
1065	} else {	1202	} else {
1066	aio_unlink $filename;	1203	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
1068	}	1205	}
…		…
1087		1224
1088	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1227	or return;
1091		1228
1092	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
1093	}	1231	}
1094		1232
1095	utf8::decode (my $decname = $filename);	1233	utf8::decode (my $decname = $filename);
1096	warn sprintf "loading %s (%d,%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
1097	$decname, length $data, scalar @{$av || []};	1235	$decname, length $data, scalar @{$av || []};
…		…
1158	my ($name, $cb) = @_;	1296	my ($name, $cb) = @_;
1159		1297
1160	$EXTICMD{$name} = $cb;	1298	$EXTICMD{$name} = $cb;
1161	}	1299	}
1162		1300
		1301	use File::Glob ();
		1302
1163	cf::player->attach (	1303	cf::player->attach (
1164	on_command => sub {	1304	on_command => sub {
1165	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
1166		1306
1167	my $cb = $COMMAND{$name}	1307	my $cb = $COMMAND{$name}
…		…
1199		1339
1200	cf::override;	1340	cf::override;
1201	},	1341	},
1202	);	1342	);
1203		1343
		1344	# "readahead" all extensions
		1345	sub cache_extensions {
		1346	my $grp = IO::AIO::aio_group;
		1347
		1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1349	for (grep /\.ext$/, @{$_[0]}) {
		1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1351	}
		1352	};
		1353
		1354	$grp
		1355	}
		1356
1204	sub load_extensions {	1357	sub load_extensions {
1205	cf::sync_job {	1358	cf::sync_job {
1206	my %todo;	1359	my %todo;
1207		1360
1208	for my $path (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
…		…
1227		1380
1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1230		1383
1231	$ext{source} =	1384	$ext{source} =
1232	"package $pkg; use strict; use utf8;\n"	1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1233	. "#line 1 \"$path\"\n{\n"	1386	. "#line 1 \"$path\"\n{\n"
1234	. $source	1387	. $source
1235	. "\n};\n1";	1388	. "\n};\n1";
1236		1389
1237	$todo{$base} = \%ext;	1390	$todo{$base} = \%ext;
…		…
1253	my $msg = $@ ? "$v->{path}: $@\n"	1406	my $msg = $@ ? "$v->{path}: $@\n"
1254	: "$v->{base}: extension inactive.\n";	1407	: "$v->{base}: extension inactive.\n";
1255		1408
1256	if (exists $v->{meta}{mandatory}) {	1409	if (exists $v->{meta}{mandatory}) {
1257	warn $msg;	1410	warn $msg;
1258	warn "mandatory extension failed to load, exiting.\n";	1411	cf::cleanup "mandatory extension failed to load, exiting.";
1259	exit 1;
1260	}	1412	}
1261		1413
1262	warn $msg;	1414	warn $msg;
1263	}	1415	}
1264		1416
…		…
1278		1430
1279	=back	1431	=back
1280		1432
1281	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1282		1434
1283	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1284		1436
1285	=cut	1437	=cut
1286		1438
1287	package cf::player;	1439	package cf::player;
1288		1440
…		…
1331		1483
1332	sub exists($) {	1484	sub exists($) {
1333	my ($login) = @_;	1485	my ($login) = @_;
1334		1486
1335	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1336	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1337	}	1489	}
1338		1490
1339	sub find($) {	1491	sub find($) {
1340	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1341	my $login = $_[0];	1493	my $login = $_[0];
…		…
1353	my $f = new_from_file cf::object::thawer path $login	1505	my $f = new_from_file cf::object::thawer path $login
1354	or return;	1506	or return;
1355		1507
1356	my $pl = cf::player::load_pl $f	1508	my $pl = cf::player::load_pl $f
1357	or return;	1509	or return;
		1510
1358	local $cf::PLAYER_LOADING{$login} = $pl;	1511	local $cf::PLAYER_LOADING{$login} = $pl;
1359	$f->resolve_delayed_derefs;	1512	$f->resolve_delayed_derefs;
1360	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1361	}	1514	}
1362	}	1515	}
…		…
1372		1525
1373	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1374		1527
1375	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1376	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
		1530
		1531	cf::get_slot 0.01;
1377		1532
1378	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1379	cf::cede_to_tick;	1534	cf::cede_to_tick;
1380	}	1535	}
1381		1536
…		…
1413	my ($pl) = @_;	1568	my ($pl) = @_;
1414		1569
1415	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1416		1571
1417	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1418	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1419		1574
1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1421	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1422	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1423	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1424		1581
1425	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1426	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1465		1622
1466	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
1467	my $path = path $login;	1624	my $path = path $login;
1468		1625
1469	# a .pst is a dead give-away for a valid player	1626	# a .pst is a dead give-away for a valid player
1470	unless (-e "$path.pst") {	1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1472	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1473	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
1474	}	1632	}
1475		1633
…		…
1506	}	1664	}
1507		1665
1508	\@paths	1666	\@paths
1509	}	1667	}
1510		1668
1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1512		1670
1513	Expand crossfire pod fragments into protocol xml.	1671	Expand deliantra pod fragments into protocol xml.
1514
1515	=cut
1516
1517	sub expand_cfpod {
1518	((my $self), (local $_)) = @_;
1519
1520	# escape & and <
1521	s/&/&amp;/g;
1522	s/(?<![BIUGHT])</&lt;/g;
1523
1524	# this is buggy, it needs to properly take care of nested <'s
1525
1526	1 while
1527	# replace B<>, I<>, U<> etc.
1528	s/B<([^\>]*)>/<b>$1<\/b>/
1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1532	# replace G<male|female> tags
1533	|| s{G<([^>|]*)\|([^>]*)>}{
1534	$self->gender ? $2 : $1
1535	}ge
1536	# replace H<hint text>
1537	|| s{H<([^\>]*)>}
1538	{
1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1541	"")
1542	[$self->{hintmode}]
1543	}ge;
1544
1545	# create single paragraphs (very hackish)
1546	s/(?<=\S)\n(?=\w)/ /g;
1547
1548	# compress some whitespace
1549	s/\s+\n/\n/g; # ws line-ends
1550	s/\n\n+/\n/g; # double lines
1551	s/^\n+//; # beginning lines
1552	s/\n+$//; # ending lines
1553
1554	$_
1555	}
1556
1557	sub hintmode {
1558	$_[0]{hintmode} = $_[1] if @_ > 1;
1559	$_[0]{hintmode}
1560	}
1561		1672
1562	=item $player->ext_reply ($msgid, @msg)	1673	=item $player->ext_reply ($msgid, @msg)
1563		1674
1564	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1565		1676
…		…
1632	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1633	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1634		1745
1635	sub generate_random_map {	1746	sub generate_random_map {
1636	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1637	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1638	$self->_create_random_map (	1752	$self->_create_random_map (
1639	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1640	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1641	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1763		1877
1764	# the temporary/swap location	1878	# the temporary/swap location
1765	sub save_path {	1879	sub save_path {
1766	my ($self) = @_;	1880	my ($self) = @_;
1767		1881
1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1769	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1770	}	1884	}
1771		1885
1772	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1773	sub uniq_path {	1887	sub uniq_path {
1774	my ($self) = @_;	1888	my ($self) = @_;
1775		1889
1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1777	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1778	}
1779
1780	# and all this just because we cannot iterate over
1781	# all maps in C++...
1782	sub change_all_map_light {
1783	my ($change) = @_;
1784
1785	$_->change_map_light ($change)
1786	for grep $_->outdoor, values %cf::MAP;
1787	}	1892	}
1788		1893
1789	sub decay_objects {	1894	sub decay_objects {
1790	my ($self) = @_;	1895	my ($self) = @_;
1791		1896
…		…
1875	sub find {	1980	sub find {
1876	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1877		1982
1878	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1879		1984
1880	cf::lock_wait "map_data:$path";#d#remove	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1881	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1882		1987
1883	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1884	my $guard1 = cf::lock_acquire "map_find:$path";
1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1886
1887	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1888	or return;	1990	or return;
1889		1991
1890	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1891		1993
…		…
1893	or return;	1995	or return;
1894		1996
1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1896	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1897	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
1898	undef $guard1;	2001	undef $guard1;
1899	undef $guard2;
1900	$map->reset;	2002	$map->reset;
1901	return find $path;	2003	return find $path;
1902	}	2004	}
1903		2005
1904	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
…		…
1931	my $f = new_from_file cf::object::thawer $self->{load_path};	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
1932	$f->skip_block;	2034	$f->skip_block;
1933	$self->_load_objects ($f)	2035	$self->_load_objects ($f)
1934	or return;	2036	or return;
1935		2037
1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1937	if delete $self->{load_original};	2039	if delete $self->{load_original};
1938		2040
1939	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1940	utf8::encode $uniq;	2042	utf8::encode $uniq;
1941	unless (aio_stat $uniq) {	2043	unless (aio_stat $uniq) {
…		…
1959	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1960	$self->decay_objects;	2062	$self->decay_objects;
1961	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1962	$self->update_buttons;	2064	$self->update_buttons;
1963	cf::cede_to_tick;	2065	cf::cede_to_tick;
1964	$self->set_darkness_map;
1965	cf::cede_to_tick;
1966	$self->activate;	2066	$self->activate;
1967	}	2067	}
1968		2068
1969	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1970	$self->last_access ($cf::RUNTIME);	2070	$self->last_access ($cf::RUNTIME);
1971		2071
1972	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
1973	}	2073	}
1974		2074
1975	$self->post_load;	2075	$self->post_load;
1976	}	2076	}
1977		2077
…		…
2035	my ($path, $origin, $load) = @_;	2135	my ($path, $origin, $load) = @_;
2036		2136
2037	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
2038		2138
2039	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2041	}	2141	}
2042		2142
2043	$MAP_PREFETCH{$path} |= $load;	2143	$MAP_PREFETCH{$path} |= $load;
2044		2144
2045	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
…		…
2082	cf::async {	2182	cf::async {
2083	$Coro::current->{desc} = "map player save";	2183	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
2085	};	2185	};
2086		2186
		2187	cf::get_slot 0.02;
		2188
2087	if ($uniq) {	2189	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2192	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2099	$self->save;	2201	$self->save;
2100		2202
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2204
2103	return if $self->players;	2205	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
2105	return if $self->{deny_save};	2207	return if $self->{deny_save};
2106		2208
2107	$self->in_memory (cf::MAP_SWAPPED);	2209	$self->in_memory (cf::MAP_SWAPPED);
2108		2210
2109	$self->deactivate;	2211	$self->deactivate;
…		…
2134		2236
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136		2238
2137	return if $self->players;	2239	return if $self->players;
2138		2240
2139	warn "resetting map ", $self->path;	2241	warn "resetting map ", $self->path, "\n";
2140		2242
2141	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
2142		2244
2143	# need to save uniques path	2245	# need to save uniques path
2144	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
2227		2329
2228	sub unique_maps() {	2330	sub unique_maps() {
2229	[	2331	[
2230	map {	2332	map {
2231	utf8::decode $_;	2333	utf8::decode $_;
2232	/\.map$/	2334	s/\.map$//; # TODO future compatibility hack
		2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2336	? ()
2233	? normalise $_	2337	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2338	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2339	]
2237	}	2340	}
2238		2341
2239	package cf;
2240
2241	=back	2342	=back
2242		2343
2243	=head3 cf::object	2344	=head3 cf::object
2244		2345
2245	=cut	2346	=cut
…		…
2248		2349
2249	=over 4	2350	=over 4
2250		2351
2251	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
2252		2353
2253	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
2254		2356
2255	=cut	2357	=cut
2256		2358
2257	sub inv_recursive_;	2359	sub inv_recursive_;
2258	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
2264	}	2366	}
2265		2367
2266	=item $ref = $ob->ref	2368	=item $ref = $ob->ref
2267		2369
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2370	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2371
2270	=item $ob = cf::object::deref ($refstring)	2372	=item $ob = cf::object::deref ($refstring)
2271		2373
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2375	even if the object actually exists. May block.
…		…
2305	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
2306	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
2307		2409
2308	=cut	2410	=cut
2309		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
		2425
2310	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
2311	# with dialog boxes.	2427	# with dialog boxes.
2312	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
2313	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
2314	my ($self, $npc, $msg, $flags) = @_;	2430	my ($self, $npc, $msg, $flags) = @_;
…		…
2325	my $dialog = $pl->{npc_dialog};	2441	my $dialog = $pl->{npc_dialog};
2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2327		2443
2328	} else {	2444	} else {
2329	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2330	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2331	}	2447	}
2332	}	2448	}
2333	}	2449	}
2334		2450
2335	=item $object->send_msg ($channel, $msg, $color, [extra...])	2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2360		2476
2361	=item $player_object->enter_link	2477	=item $player_object->enter_link
2362		2478
2363	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
2364		2480
2365	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
2366	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
2367		2485
2368	Will never block.	2486	Will never block.
2369		2487
2370	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
2371		2489
…		…
2429		2547
2430	$map->load;	2548	$map->load;
2431	$map->load_neighbours;	2549	$map->load_neighbours;
2432		2550
2433	return unless $self->contr->active;	2551	return unless $self->contr->active;
2434	$self->activate_recursive;
2435		2552
2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2437	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
		2555
		2556	# only activate afterwards, to support waiting in hooks
		2557	$self->activate_recursive;
2438	}	2558	}
2439		2559
2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2441		2561
2442	Moves the player to the given map-path and coordinates by first freezing	2562	Moves the player to the given map-path and coordinates by first freezing
2443	her, loading and preparing them map, calling the provided $check callback	2563	her, loading and preparing them map, calling the provided $check callback
2444	that has to return the map if sucecssful, and then unfreezes the player on	2564	that has to return the map if sucecssful, and then unfreezes the player on
2445	the new (success) or old (failed) map position. In either case, $done will	2565	the new (success) or old (failed) map position. In either case, $done will
2446	be called at the end of this process.	2566	be called at the end of this process.
		2567
		2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
2447		2570
2448	=cut	2571	=cut
2449		2572
2450	our $GOTOGEN;	2573	our $GOTOGEN;
2451		2574
…		…
2530	}	2653	}
2531		2654
2532	sub prepare_random_map {	2655	sub prepare_random_map {
2533	my ($exit) = @_;	2656	my ($exit) = @_;
2534		2657
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2660	# that depends on the exit object
2540		2661
2541	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2664	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2548	}	2671	}
2549		2672
2550	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2551		2674
2552	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2555		2678
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2681	undef $fh;
2559	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2560		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2563	}	2690	}
2564	}	2691	}
2565		2692
2566	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2568		2695
2569	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2570		2697
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2698	$self->enter_link;
2583		2699
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2700	(async {
2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2701	$Coro::current->{desc} = "enter_exit";
2590		2702
2591	$self->deactivate_recursive; # just to be sure
2592	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
2593	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2594		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
2595	1;	2724	1
2596	}) {	2725	}) {
2597	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2598	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
2599	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2600	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2601		2730
2602	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2630	the message, with C<log> being the default. If C<$color> is negative, suppress	2759	the message, with C<log> being the default. If C<$color> is negative, suppress
2631	the message unless the client supports the msg packet.	2760	the message unless the client supports the msg packet.
2632		2761
2633	=cut	2762	=cut
2634		2763
		2764	# non-persistent channels (usually the info channel)
2635	our %CHANNEL = (	2765	our %CHANNEL = (
2636	"c/identify" => {	2766	"c/identify" => {
2637	id => "infobox",	2767	id => "infobox",
2638	title => "Identify",	2768	title => "Identify",
2639	reply => undef,	2769	reply => undef,
…		…
2643	id => "infobox",	2773	id => "infobox",
2644	title => "Examine",	2774	title => "Examine",
2645	reply => undef,	2775	reply => undef,
2646	tooltip => "Signs and other items you examined",	2776	tooltip => "Signs and other items you examined",
2647	},	2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
2648	"c/lookat" => {	2784	"c/lookat" => {
2649	id => "infobox",	2785	id => "infobox",
2650	title => "Look",	2786	title => "Look",
2651	reply => undef,	2787	reply => undef,
2652	tooltip => "What you saw there",	2788	tooltip => "What you saw there",
2653	},	2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
2654	);	2864	);
2655		2865
2656	sub cf::client::send_msg {	2866	sub cf::client::send_msg {
2657	my ($self, $channel, $msg, $color, @extra) = @_;	2867	my ($self, $channel, $msg, $color, @extra) = @_;
2658		2868
2659	$msg = $self->pl->expand_cfpod ($msg);	2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
2660		2871
2661	$color &= cf::NDI_CLIENT_MASK; # just in case...	2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
2662		2873
2663	# check predefined channels, for the benefit of C	2874	# check predefined channels, for the benefit of C
2664	if ($CHANNEL{$channel}) {	2875	if ($CHANNEL{$channel}) {
2665	$channel = $CHANNEL{$channel};	2876	$channel = $CHANNEL{$channel};
2666		2877
2667	$self->ext_msg (channel_info => $channel)	2878	$self->ext_msg (channel_info => $channel);
2668	if $self->can_msg;
2669
2670	$channel = $channel->{id};	2879	$channel = $channel->{id};
2671		2880
2672	} elsif (ref $channel) {	2881	} elsif (ref $channel) {
2673	# send meta info to client, if not yet sent	2882	# send meta info to client, if not yet sent
2674	unless (exists $self->{channel}{$channel->{id}}) {	2883	unless (exists $self->{channel}{$channel->{id}}) {
2675	$self->{channel}{$channel->{id}} = $channel;	2884	$self->{channel}{$channel->{id}} = $channel;
2676	$self->ext_msg (channel_info => $channel)	2885	$self->ext_msg (channel_info => $channel);
2677	if $self->can_msg;
2678	}	2886	}
2679		2887
2680	$channel = $channel->{id};	2888	$channel = $channel->{id};
2681	}	2889	}
2682		2890
2683	return unless @extra || length $msg;	2891	return unless @extra || length $msg;
2684		2892
2685	if ($self->can_msg) {
2686	# default colour, mask it out	2893	# default colour, mask it out
2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2688	if $color & cf::NDI_DEF;	2895	if $color & cf::NDI_DEF;
2689		2896
2690	$self->send_packet ("msg " . $self->{json_coder}->encode (	2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2692	} else {	2900	);
2693	if ($color >= 0) {
2694	# replace some tags by gcfclient-compatible ones
2695	for ($msg) {
2696	1 while
2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2702	}
2703		2901
2704	$color &= cf::NDI_COLOR_MASK;	2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
2705		2905
2706	utf8::encode $msg;	2906	# split very large packets
2707		2907	if (8192 < length $pkt and $self->{can_lzf}) {
2708	if (0 && $msg =~ /\[/) {	2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2709	# COMMAND/INFO	2909	$pkt = "frag";
2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
2711	} else {
2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2713	$self->send_packet ("drawinfo $color $msg")
2714	}
2715	}
2716	}	2910	}
		2911
		2912	$self->send_packet ($pkt);
2717	}	2913	}
2718		2914
2719	=item $client->ext_msg ($type, @msg)	2915	=item $client->ext_msg ($type, @msg)
2720		2916
2721	Sends an ext event to the client.	2917	Sends an ext event to the client.
…		…
2894	=pod	3090	=pod
2895		3091
2896	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2897		3093
2898	cf::object	3094	cf::object
2899	contr pay_amount pay_player map x y force_find force_add	3095	contr pay_amount pay_player map x y force_find force_add destroy
2900	insert remove name archname title slaying race decrease_ob_nr	3096	insert remove name archname title slaying race decrease split
		3097	value
2901		3098
2902	cf::object::player	3099	cf::object::player
2903	player	3100	player
2904		3101
2905	cf::player	3102	cf::player
…		…
2910		3107
2911	=cut	3108	=cut
2912		3109
2913	for (	3110	for (
2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2915	insert remove inv name archname title slaying race	3112	insert remove inv nrof name archname title slaying race
2916	decrease_ob_nr)],	3113	decrease split destroy change_exp value msg lore send_msg)],
2917	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2918	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2919	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2920	) {	3117	) {
2921	no strict 'refs';	3118	no strict 'refs';
2922	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2923	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2940	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2941		3138
2942	my $qcode = $code;	3139	my $qcode = $code;
2943	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2944	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2945		3144
2946	local $_;	3145	local $_;
2947	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2948		3147
2949	my $eval =	3148	my $eval =
…		…
3026	{	3225	{
3027	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
3028		3227
3029	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
3031	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
3032	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3035		3235
3036	cf::cede_to_tick;	3236	cf::cede_to_tick;
3037	}	3237	}
3038		3238
3039	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
3040	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
3041	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
3042	or next;	3243	or next;
		3244
3043	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
3044	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3046	} else {	3248	} else {
3047	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3065	{	3267	{
3066	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
3067	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
3068	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
3069		3271
3070	my $soundconf = delete $res->{"res/sound.conf"};
3071
3072	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3074	my $data;	3275	my $data;
3075		3276
3076	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
3077	# prepend meta info	3278	# prepend meta info
3078		3279
3079	my $meta = $enc->encode ({	3280	my $meta = $enc->encode ({
3080	name => $name,	3281	name => $name,
3081	%{ $info->{meta} || {} },	3282	%{ $info->{meta} || {} },
3082	});	3283	});
3083		3284
3084	$data = pack "(w/a*)*", $meta, $info->{data};	3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
3085	} else {	3292	} else {
3086	$data = $info->{data};	3293	$RESOURCE{$name} = $info;
3087	}	3294	}
3088		3295
3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3090	cf::face::set_type $idx, $info->{type};
3091
3092	cf::cede_to_tick;	3296	cf::cede_to_tick;
3093	}	3297	}
3094
3095	if ($soundconf) {
3096	$soundconf = $enc->decode (delete $soundconf->{data});
3097
3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3099	my $sound = $soundconf->{compat}[$_]
3100	or next;
3101
3102	my $face = cf::face::find "sound/$sound->[1]";
3103	cf::sound::set $sound->[0] => $face;
3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3105	}
3106
3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
3108	my $face = cf::face::find "sound/$v";
3109	cf::sound::set $k => $face;
3110	}
3111	}
3112	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3113		3301
3114	1	3302	1
3115	}	3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
3116		3324
3117	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
3118	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
3119		3327
3120	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3121	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3122	}	3330	}
3123	};	3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
3124		3342
3125	sub reload_regions {	3343	sub reload_regions {
3126	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3127	# for this (global event?)	3345	# for this (global event?)
3128	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3142	}	3360	}
3143		3361
3144	sub reload_archetypes {	3362	sub reload_archetypes {
3145	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3146	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3147	#d# NEED to laod twice to resolve forward references
3148	# this really needs to be done in an extra post-pass
3149	# (which needs to be synchronous, so solve it differently)
3150	load_resource_file "$DATADIR/archetypes"
3151	or die "unable to load archetypes\n";
3152	}	3365	}
3153		3366
3154	sub reload_treasures {	3367	sub reload_treasures {
3155	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3156	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3157	}	3370	}
3158		3371
3159	sub reload_resources {	3372	sub reload_resources {
3160	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3161		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3162	reload_regions;	3377	reload_regions;
3163	reload_facedata;
3164	#reload_archetypes;#d#
3165	reload_archetypes;
3166	reload_treasures;	3378	reload_treasures;
3167		3379
3168	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3169	}
3170
3171	sub init {
3172	reload_resources;
3173	}	3381	}
3174		3382
3175	sub reload_config {	3383	sub reload_config {
3176	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3177	or return;	3385	or return;
3178		3386
3179	local $/;	3387	local $/;
3180	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3181		3389
3182	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3183		3391
3184	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3185	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3191	};	3399	};
3192	warn $@ if $@;	3400	warn $@ if $@;
3193	}	3401	}
3194	}	3402	}
3195		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
3196	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
3197	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
3198	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3200	(async {	3450	(async {
3201	$Coro::current->{desc} = "IDLE BUG HANDLER";	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
3202	Event::one_event;	3452	EV::loop EV::LOOP_ONESHOT;
3203	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
3204	};	3454	};
3205		3455
		3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
3206	reload_config;	3460	reload_config;
3207	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
3208	load_extensions;	3474	load_extensions;
3209		3475
3210	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
3211	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
3212	}	3486	}
3213		3487
3214	#############################################################################	3488	#############################################################################
3215	# initialisation and cleanup	3489	# initialisation and cleanup
3216		3490
3217	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
3218	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
3219	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
3220	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3221	reentrant => 0,
3222	data => WF_AUTOCANCEL,
3223	signal => $signal,
3224	prio => 0,
3225	cb => sub {
3226	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
3227	},
3228	);	3497	};
3229	}	3498	}
3230	}	3499	}
3231		3500
3232	sub write_runtime {	3501	sub write_runtime_sync {
3233	my $runtime = "$LOCALDIR/runtime";
3234
3235	# first touch the runtime file to show we are still running:	3502	# first touch the runtime file to show we are still running:
3236	# the fsync below can take a very very long time.	3503	# the fsync below can take a very very long time.
3237		3504
3238	IO::AIO::aio_utime $runtime, undef, undef;	3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3239		3506
3240	my $guard = cf::lock_acquire "write_runtime";	3507	my $guard = cf::lock_acquire "write_runtime";
3241		3508
3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3243	or return;	3510	or return;
3244		3511
3245	my $value = $cf::RUNTIME + 90 + 10;	3512	my $value = $cf::RUNTIME + 90 + 10;
3246	# 10 is the runtime save interval, for a monotonic clock	3513	# 10 is the runtime save interval, for a monotonic clock
3247	# 60 allows for the watchdog to kill the server.	3514	# 60 allows for the watchdog to kill the server.
…		…
3257	aio_utime $fh, undef, undef;	3524	aio_utime $fh, undef, undef;
3258		3525
3259	close $fh	3526	close $fh
3260	or return;	3527	or return;
3261		3528
3262	aio_rename "$runtime~", $runtime	3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3263	and return;	3530	and return;
3264		3531
3265	warn "runtime file written.\n";	3532	warn "runtime file written.\n";
3266		3533
3267	1	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
3268	}	3585	}
3269		3586
3270	sub emergency_save() {	3587	sub emergency_save() {
3271	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
3272		3589
3273	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
3274		3591
3275	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
3276	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
3277	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
3278	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
3279	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
3280	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
3281	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
3282	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3283	$pl->save;	3606	$pl->save;
3284	}	3607	}
3285	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
3286		3609
3287	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
3288	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
3289	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
3290	$map->valid or next;	3613	$map->valid or next;
3291	$map->save;	3614	$map->save;
3292	}	3615	}
3293	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
3294		3617
3295	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
3296	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
3297	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
3298	};	3625	};
3299		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
3300	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
3301	}	3633	}
3302		3634
3303	sub post_cleanup {	3635	sub post_cleanup {
3304	my ($make_core) = @_;	3636	my ($make_core) = @_;
3305		3637
3306	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
3307	if $make_core;	3639	if $make_core;
		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
3308	}	3669	}
3309		3670
3310	sub do_reload_perl() {	3671	sub do_reload_perl() {
3311	# can/must only be called in main	3672	# can/must only be called in main
3312	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
3313	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
3314	return;	3675	return;
3315	}	3676	}
3316		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
3317	warn "reloading...";	3683	warn "reloading...";
3318		3684
3319	warn "entering sync_job";	3685	warn "entering sync_job";
3320		3686
3321	cf::sync_job {	3687	cf::sync_job {
3322	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
3323	cf::emergency_save;	3689	cf::emergency_save;
3324	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
3325		3691
3326	warn "syncing database to disk";	3692	warn "syncing database to disk";
3327	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
3328		3694
3329	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
3330		3696
3331	warn "cancelling all WF_AUTOCANCEL watchers";
3332	for (Event::all_watchers) {
3333	$_->cancel if $_->data & WF_AUTOCANCEL;
3334	}
3335
3336	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
3337	for (;;) {
3338	BDB::flush;
3339	IO::AIO::flush;
3340	Coro::cede;
3341	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
3342	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3343	}
3344
3345	++$RELOAD;
3346
3347	warn "cancelling all extension coros";
3348	$_->cancel for values %EXT_CORO;
3349	%EXT_CORO = ();
3350
3351	warn "removing commands";
3352	%COMMAND = ();
3353
3354	warn "removing ext/exti commands";
3355	%EXTCMD = ();
3356	%EXTICMD = ();
3357
3358	warn "unloading/nuking all extensions";
3359	for my $pkg (@EXTS) {
3360	warn "... unloading $pkg";
3361
3362	if (my $cb = $pkg->can ("unload")) {
3363	eval {
3364	$cb->($pkg);
3365	1
3366	} or warn "$pkg unloaded, but with errors: $@";
3367	}	3700	}
3368		3701
3369	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
3370	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
3371	}	3704	%EXT_CORO = ();
3372		3705
3373	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
3374	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
3375	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3376		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
3377	warn "... unloading $k";	3715	warn "... unloading $pkg";
3378	delete $INC{$k};
3379		3716
3380	$k =~ s/\.pm$//;
3381	$k =~ s/\//::/g;
3382
3383	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
3384	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
3385	}	3726	}
3386		3727
3387	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
3388	}	3743	}
3389		3744
3390	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
3391	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3393		3748
3394	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
3395	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
3396	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3397		3752
3398	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
3399	# and global variables created in xs	3754	# and global variables created in xs
3400	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
3401		3756
3402	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
3403		3758
3404	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
3405	require cf;	3760	require cf;
3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3407		3762
3408	warn "loading config and database again";	3763	warn "loading config and database again";
3409	cf::reload_config;	3764	cf::reload_config;
3410		3765
3411	warn "loading extensions";	3766	warn "loading extensions";
3412	cf::load_extensions;	3767	cf::load_extensions;
3413		3768
		3769	if ($REATTACH_ON_RELOAD) {
3414	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
3415	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
3416	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
3417	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
3418	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
3419	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
3420		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
3421	warn "leaving sync_job";	3781	warn "leaving sync_job";
3422		3782
3423	1	3783	1
3424	} or do {	3784	} or do {
3425	warn $@;	3785	warn $@;
3426	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
3427	exit 1;
3428	};	3787	};
3429		3788
3430	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
3431	};	3795	};
3432		3796
3433	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
3434		3798
3435	sub reload_perl() {	3799	sub reload_perl() {
3436	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
3437	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
3438		3802
3439	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
3440	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
3441	after => 0,	3805
3442	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3443	cb => sub {
3444	do_reload_perl;	3807	do_reload_perl;
3445	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
3446	},	3809	};
3447	);	3810	};
3448	}	3811	}
3449		3812
3450	register_command "reload" => sub {	3813	register_command "reload" => sub {
3451	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
3452		3815
…		…
3465		3828
3466	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
3467	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
3468		3831
3469	sub wait_for_tick {	3832	sub wait_for_tick {
3470	return unless $TICK_WATCHER->is_active;
3471	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
3472		3834
3473	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
3474	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
3475	$signal->wait;	3837	$signal->wait;
3476	}	3838	}
3477		3839
3478	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
3479	return unless $TICK_WATCHER->is_active;
3480	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
3481		3842
3482	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
3483	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
3484	$signal->wait;	3845	$signal->wait;
3485	}	3846	}
3486		3847
3487	$TICK_WATCHER = Event->timer (	3848	sub tick {
3488	reentrant => 0,
3489	parked => 1,
3490	prio => 0,
3491	at => $NEXT_TICK || $TICK,
3492	data => WF_AUTOCANCEL,
3493	cb => sub {
3494	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3496	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
3497	return;	3852	return;
3498	}	3853	}
3499		3854
3500	$NOW = $tick_start = Event::time;
3501
3502	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
3503		3856
3504	$RUNTIME += $TICK;
3505	$NEXT_TICK += $TICK;
3506
3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3508	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3509	Coro::async_pool {	3859	Coro::async_pool {
3510	$Coro::current->{desc} = "runtime saver";	3860	$Coro::current->{desc} = "runtime saver";
3511	write_runtime	3861	write_runtime_sync
3512	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
3513	};
3514	}	3863	};
		3864	}
3515		3865
3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3517	$sig->send;	3867	$sig->send;
3518	}	3868	}
3519	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
3520	$sig->send;	3870	$sig->send;
3521	}	3871	}
3522		3872
3523	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
3524
3525	# if we are delayed by four ticks or more, skip them all
3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3527
3528	$TICK_WATCHER->at ($NEXT_TICK);
3529	$TICK_WATCHER->start;
3530
3531	$LOAD = ($NOW - $tick_start) / $TICK;
3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3533		3875
3534	_post_tick;	3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
3535	},	3882	}
3536	);	3883	}
3537		3884
3538	{	3885	{
		3886	# configure BDB
		3887
3539	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
3540	BDB::max_poll_time $TICK * 0.1;	3889	BDB::max_poll_reqs $TICK * 0.1;
3541	$BDB_POLL_WATCHER = Event->io (	3890	$AnyEvent::BDB::WATCHER->priority (1);
3542	reentrant => 0,
3543	fd => BDB::poll_fileno,
3544	poll => 'r',
3545	prio => 0,
3546	data => WF_AUTOCANCEL,
3547	cb => \&BDB::poll_cb,
3548	);
3549
3550	BDB::set_sync_prepare {
3551	my $status;
3552	my $current = $Coro::current;
3553	(
3554	sub {
3555	$status = $!;
3556	$current->ready; undef $current;
3557	},
3558	sub {
3559	Coro::schedule while defined $current;
3560	$! = $status;
3561	},
3562	)
3563	};
3564		3891
3565	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
3566	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3568	| BDB::LOG_AUTOREMOVE, 1);	3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3571		3899
3572	cf::sync_job {	3900	cf::sync_job {
3573	eval {	3901	eval {
…		…
3583		3911
3584	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
3585	};	3913	};
3586	}	3914	}
3587		3915
3588	$BDB_DEADLOCK_WATCHER = Event->timer (	3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3589	after => 3,
3590	interval => 1,
3591	hard => 1,
3592	prio => 0,
3593	data => WF_AUTOCANCEL,
3594	cb => sub {
3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3596	},
3597	);	3918	};
3598	$BDB_CHECKPOINT_WATCHER = Event->timer (	3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3599	after => 11,
3600	interval => 60,
3601	hard => 1,
3602	prio => 0,
3603	data => WF_AUTOCANCEL,
3604	cb => sub {
3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3606	},
3607	);	3921	};
3608	$BDB_TRICKLE_WATCHER = Event->timer (	3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3609	after => 5,
3610	interval => 10,
3611	hard => 1,
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => sub {
3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3616	},
3617	);	3924	};
3618	}	3925	}
3619		3926
3620	{	3927	{
		3928	# configure IO::AIO
		3929
3621	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
3622
3623	undef $Coro::AIO::WATCHER;
3624	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
3625	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
3626	reentrant => 0,
3627	data => WF_AUTOCANCEL,
3628	fd => IO::AIO::poll_fileno,
3629	poll => 'r',
3630	prio => 0,
3631	cb => \&IO::AIO::poll_cb,
3632	);
3633	}	3933	}
3634		3934
3635	my $_log_backtrace;	3935	my $_log_backtrace;
3636		3936
3637	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
3640	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
3641		3941
3642	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
3643	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
3644	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
3645	async {	3946	async {
3646	$Coro::current->{desc} = "abt $msg";	3947	$Coro::current->{desc} = "abt $msg";
3647		3948
3648	my @bt = fork_call {	3949	my @bt = fork_call {
3649	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
…		…
3660	}	3961	}
3661		3962
3662	@funcs	3963	@funcs
3663	};	3964	};
3664		3965
3665	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3666	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3667	--$_log_backtrace;	3969	--$_log_backtrace;
3668	};	3970	};
3669	} else {	3971	} else {
3670	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3671	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3672	}	3974	}
3673	}	3975	}
3674		3976
3675	# load additional modules	3977	# load additional modules
3676	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3677		3979
3678	END { cf::emergency_save }	3980	END { cf::emergency_save }
3679		3981
3680	1	3982	1
3681		3983

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines