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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 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 Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	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 2.51 ();	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	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
122		176
123	#############################################################################	177	#############################################################################
124		178
125	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
126		180
…		…
162		216
163	The raw value load value from the last tick.	217	The raw value load value from the last tick.
164		218
165	=item %cf::CFG	219	=item %cf::CFG
166		220
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	222	from wherever your confdir points to.
169		223
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		225
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		231
178	This array contains the results of the last C<invoke ()> call. When	232	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	233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	234	that call.
181		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
182	=back	242	=back
183		243
184	=cut	244	=cut
185		245
186	BEGIN {	246	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	247	my $msg = join "", @_;
189		248
190	$msg .= "\n"	249	$msg .= "\n"
191	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
192		251
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		253
195	LOG llevError, $msg;	254	LOG llevError, $msg;
196	};	255	};
197	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
198		270
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	281	for my $pkg (qw(
210	cf::global cf::attachable	282	cf::global cf::attachable
211	cf::object cf::object::player	283	cf::object cf::object::player
212	cf::client cf::player	284	cf::client cf::player
213	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
214	cf::map cf::party cf::region	287	cf::party cf::region
215	)) {	288	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	290	}
219		291
220	$Event::DIED = sub {	292	$EV::DIED = sub {
221	warn "error in event callback: @_";	293	warn "error in event callback: @_";
222	};	294	};
223		295
224	#############################################################################	296	#############################################################################
225		297
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	321	$d
250	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
251	}	323	}
252		324
253	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
254		326
255	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
256		328
257	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
258		330
259	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
260		332
261	=cut	333	=cut
262		334
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		336
265	sub to_json ($) { $json_coder->encode ($_[0]) }	337	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
267		353
268	=item cf::lock_wait $string	354	=item cf::lock_wait $string
269		355
270	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
271		357
272	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
273		359
274	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
277	returned.	363	returned.
278		364
279	Locks are *not* recursive, locking from the same coro twice results in a	365	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	366	deadlocked coro.
…		…
286		372
287	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
288		374
289	=cut	375	=cut
290		376
291	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		378
294	sub lock_wait($) {	379	sub lock_wait($) {
295	my ($key) = @_;	380	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	381	}
308		382
309	sub lock_acquire($) {	383	sub lock_acquire($) {
310	my ($key) = @_;	384	$LOCKS->guard ($_[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	}	385	}
324		386
325	sub lock_active($) {	387	sub lock_active($) {
326	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	389	}
330		390
331	sub freeze_mainloop {	391	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
333		393
334	my $guard = Coro::guard {	394	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	395	}
336	};	396
337	$TICK_WATCHER->stop;	397	=item cf::periodic $interval, $cb
338	$guard	398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
339	}	410	}
340		411
341	=item cf::get_slot $time[, $priority[, $name]]	412	=item cf::get_slot $time[, $priority[, $name]]
342		413
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	454	}
384	}	455	}
385	};	456	};
386		457
387	sub get_slot($;$$) {	458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
388	my ($time, $pri, $name) = @_;	461	my ($time, $pri, $name) = @_;
389		462
390	$time = $TICK * .6 if $time > $TICK * .6;	463	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	464	my $sig = new Coro::Signal;
392		465
…		…
406		479
407	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
408		481
409	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
410		483
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	484	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	485	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	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	487	acceptable.
415		488
416	If it must be done, put the blocking parts into C<sync_job>. This will run	489	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	490	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		495
423	sub sync_job(&) {	496	sub sync_job(&) {
424	my ($job) = @_;	497	my ($job) = @_;
425		498
426	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	500	my $time = EV::time;
428		501
429	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
431		504
432	LOG llevError, Carp::longmess "sync job";#d#	505	LOG llevError, Carp::longmess "sync job";#d#
433		506
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
437		508
438	my $busy = 1;	509	my $busy = 1;
439	my @res;	510	my @res;
440		511
…		…
447		518
448	while ($busy) {	519	while ($busy) {
449	if (Coro::nready) {	520	if (Coro::nready) {
450	Coro::cede_notself;	521	Coro::cede_notself;
451	} else {	522	} else {
452	Event::one_event;	523	EV::loop EV::LOOP_ONESHOT;
453	}	524	}
454	}	525	}
455		526
456	$time = Event::time - $time;	527	my $time = EV::time - $time;
457		528
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	529	$TICK_START += $time; # do not account sync jobs to server load
462		530
463	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
464	} else {	532	} else {
465	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
466		534
…		…
491	=item fork_call { }, $args	559	=item fork_call { }, $args
492		560
493	Executes the given code block with the given arguments in a seperate	561	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	562	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	563	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	564	never block itself or use any form of event handling.
497		565
498	=cut	566	=cut
499		567
500	sub fork_call(&@) {	568	sub fork_call(&@) {
501	my ($cb, @args) = @_;	569	my ($cb, @args) = @_;
…		…
508	reset_signals;	576	reset_signals;
509	&$cb	577	&$cb
510	}, @args;	578	}, @args;
511		579
512	wantarray ? @res : $res[-1]	580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
513	}	608	}
514		609
515	=item $value = cf::db_get $family => $key	610	=item $value = cf::db_get $family => $key
516		611
517	Returns a single value from the environment database.	612	Returns a single value from the environment database.
…		…
656		751
657	#############################################################################	752	#############################################################################
658		753
659	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
660		755
661	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
664		759
665	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	762	Deliantra).
668		763
669	=over 4	764	=over 4
670		765
671	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
672		767
…		…
716	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
717		812
718	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
720		815
721	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
723		818
724	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
725		820
726	=over 4	821	=over 4
…		…
954	}	1049	}
955		1050
956	0	1051	0
957	}	1052	}
958		1053
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1055
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1057
963	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
964		1059
…		…
1017		1112
1018	sub reattach {	1113	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1115	my ($obj) = @_;
1021		1116
		1117	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1119
1024	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
1025		1121
1026	@$registry = ();	1122	@$registry = ();
1027		1123
…		…
1042	cf::attachable->attach (	1138	cf::attachable->attach (
1043	prio => -1000000,	1139	prio => -1000000,
1044	on_instantiate => sub {	1140	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
1046		1142
1047	$data = from_json $data;	1143	$data = decode_json $data;
1048		1144
1049	for (@$data) {	1145	for (@$data) {
1050	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
1051		1147
1052	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1169	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
1076		1172
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
1081	close $fh;	1180	aio_close $fh;
1082		1181
1083	if (@$objs) {	1182	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
1089	close $fh;	1191	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1193	}
1092	} else {	1194	} else {
1093	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
1094	}	1196	}
1095		1197
1096	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1202	} else {
1098	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
1099	}	1204	}
1100	} else {	1205	} else {
1101	aio_unlink $filename;	1206	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
1103	}	1208	}
…		…
1122		1227
1123	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1230	or return;
1126		1231
1127	my $st = eval { Coro::Storable::thaw $av }	1232	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1233	$av = $st->{objs};
1130	}	1234	}
1131		1235
1132	utf8::decode (my $decname = $filename);	1236	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
…		…
1195	my ($name, $cb) = @_;	1299	my ($name, $cb) = @_;
1196		1300
1197	$EXTICMD{$name} = $cb;	1301	$EXTICMD{$name} = $cb;
1198	}	1302	}
1199		1303
		1304	use File::Glob ();
		1305
1200	cf::player->attach (	1306	cf::player->attach (
1201	on_command => sub {	1307	on_command => sub {
1202	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
1203		1309
1204	my $cb = $COMMAND{$name}	1310	my $cb = $COMMAND{$name}
…		…
1236		1342
1237	cf::override;	1343	cf::override;
1238	},	1344	},
1239	);	1345	);
1240		1346
		1347	# "readahead" all extensions
		1348	sub cache_extensions {
		1349	my $grp = IO::AIO::aio_group;
		1350
		1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1352	for (grep /\.ext$/, @{$_[0]}) {
		1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1354	}
		1355	};
		1356
		1357	$grp
		1358	}
		1359
1241	sub load_extensions {	1360	sub load_extensions {
1242	cf::sync_job {	1361	cf::sync_job {
1243	my %todo;	1362	my %todo;
1244		1363
1245	for my $path (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
…		…
1264		1383
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1386
1268	$ext{source} =	1387	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1270	. "#line 1 \"$path\"\n{\n"	1389	. "#line 1 \"$path\"\n{\n"
1271	. $source	1390	. $source
1272	. "\n};\n1";	1391	. "\n};\n1";
1273		1392
1274	$todo{$base} = \%ext;	1393	$todo{$base} = \%ext;
…		…
1290	my $msg = $@ ? "$v->{path}: $@\n"	1409	my $msg = $@ ? "$v->{path}: $@\n"
1291	: "$v->{base}: extension inactive.\n";	1410	: "$v->{base}: extension inactive.\n";
1292		1411
1293	if (exists $v->{meta}{mandatory}) {	1412	if (exists $v->{meta}{mandatory}) {
1294	warn $msg;	1413	warn $msg;
1295	warn "mandatory extension failed to load, exiting.\n";	1414	cf::cleanup "mandatory extension failed to load, exiting.";
1296	exit 1;
1297	}	1415	}
1298		1416
1299	warn $msg;	1417	warn $msg;
1300	}	1418	}
1301		1419
…		…
1315		1433
1316	=back	1434	=back
1317		1435
1318	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1319		1437
1320	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1321		1439
1322	=cut	1440	=cut
1323		1441
1324	package cf::player;	1442	package cf::player;
1325		1443
…		…
1368		1486
1369	sub exists($) {	1487	sub exists($) {
1370	my ($login) = @_;	1488	my ($login) = @_;
1371		1489
1372	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1374	}	1492	}
1375		1493
1376	sub find($) {	1494	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1496	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1508	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1509	or return;
1392		1510
1393	my $pl = cf::player::load_pl $f	1511	my $pl = cf::player::load_pl $f
1394	or return;	1512	or return;
		1513
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1514	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1515	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1398	}	1517	}
1399	}	1518	}
…		…
1409		1528
1410	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1411		1530
1412	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1413	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
1414		1535
1415	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1537	cf::cede_to_tick;
1417	}	1538	}
1418		1539
…		…
1450	my ($pl) = @_;	1571	my ($pl) = @_;
1451		1572
1452	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1453		1574
1454	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1455	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1456		1577
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1458	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1460	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1461		1584
1462	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1502		1625
1503	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
1504	my $path = path $login;	1627	my $path = path $login;
1505		1628
1506	# a .pst is a dead give-away for a valid player	1629	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1635	}
1512		1636
…		…
1543	}	1667	}
1544		1668
1545	\@paths	1669	\@paths
1546	}	1670	}
1547		1671
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1673
1550	Expand crossfire pod fragments into protocol xml.	1674	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598		1675
1599	=item $player->ext_reply ($msgid, @msg)	1676	=item $player->ext_reply ($msgid, @msg)
1600		1677
1601	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1602		1679
…		…
1669	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1671		1748
1672	sub generate_random_map {	1749	sub generate_random_map {
1673	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1674	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1675	$self->_create_random_map (	1755	$self->_create_random_map (
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1800		1880
1801	# the temporary/swap location	1881	# the temporary/swap location
1802	sub save_path {	1882	sub save_path {
1803	my ($self) = @_;	1883	my ($self) = @_;
1804		1884
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1807	}	1887	}
1808		1888
1809	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1810	sub uniq_path {	1890	sub uniq_path {
1811	my ($self) = @_;	1891	my ($self) = @_;
1812		1892
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	1895	}
1825		1896
1826	sub decay_objects {	1897	sub decay_objects {
1827	my ($self) = @_;	1898	my ($self) = @_;
1828		1899
…		…
1912	sub find {	1983	sub find {
1913	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1914		1985
1915	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1916		1987
1917	cf::lock_wait "map_data:$path";#d#remove	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1919		1990
1920	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1925	or return;	1993	or return;
1926		1994
1927	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1928		1996
…		…
1930	or return;	1998	or return;
1931		1999
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
1935	undef $guard1;	2004	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2005	$map->reset;
1938	return find $path;	2006	return find $path;
1939	}	2007	}
1940		2008
1941	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
…		…
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2037	$f->skip_block;
1970	$self->_load_objects ($f)	2038	$self->_load_objects ($f)
1971	or return;	2039	or return;
1972		2040
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1974	if delete $self->{load_original};	2042	if delete $self->{load_original};
1975		2043
1976	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2045	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2046	unless (aio_stat $uniq) {
…		…
1996	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2065	$self->decay_objects;
1998	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1999	$self->update_buttons;	2067	$self->update_buttons;
2000	cf::cede_to_tick;	2068	cf::cede_to_tick;
2001	$self->set_darkness_map;
2002	cf::cede_to_tick;
2003	$self->activate;	2069	$self->activate;
2004	}	2070	}
2005		2071
2006	$self->{last_save} = $cf::RUNTIME;	2072	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2073	$self->last_access ($cf::RUNTIME);
2008		2074
2009	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
2010	}	2076	}
2011		2077
2012	$self->post_load;	2078	$self->post_load;
2013	}	2079	}
2014		2080
…		…
2072	my ($path, $origin, $load) = @_;	2138	my ($path, $origin, $load) = @_;
2073		2139
2074	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
2075		2141
2076	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2078	}	2144	}
2079		2145
2080	$MAP_PREFETCH{$path} |= $load;	2146	$MAP_PREFETCH{$path} |= $load;
2081		2147
2082	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
…		…
2119	cf::async {	2185	cf::async {
2120	$Coro::current->{desc} = "map player save";	2186	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
2122	};	2188	};
2123		2189
		2190	cf::get_slot 0.02;
		2191
2124	if ($uniq) {	2192	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2195	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2136	$self->save;	2204	$self->save;
2137		2205
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2207
2140	return if $self->players;	2208	return if $self->players;
2141	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
2142	return if $self->{deny_save};	2210	return if $self->{deny_save};
2143		2211
2144	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
2145		2213
2146	$self->deactivate;	2214	$self->deactivate;
…		…
2171		2239
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2241
2174	return if $self->players;	2242	return if $self->players;
2175		2243
2176	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
2177		2245
2178	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
2179		2247
2180	# need to save uniques path	2248	# need to save uniques path
2181	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
2264		2332
2265	sub unique_maps() {	2333	sub unique_maps() {
2266	[	2334	[
2267	map {	2335	map {
2268	utf8::decode $_;	2336	utf8::decode $_;
2269	/\.map$/	2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
2270	? normalise $_	2340	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2341	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2342	]
2274	}	2343	}
2275		2344
2276	package cf;
2277
2278	=back	2345	=back
2279		2346
2280	=head3 cf::object	2347	=head3 cf::object
2281		2348
2282	=cut	2349	=cut
…		…
2285		2352
2286	=over 4	2353	=over 4
2287		2354
2288	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
2289		2356
2290	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
2291		2359
2292	=cut	2360	=cut
2293		2361
2294	sub inv_recursive_;	2362	sub inv_recursive_;
2295	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
2301	}	2369	}
2302		2370
2303	=item $ref = $ob->ref	2371	=item $ref = $ob->ref
2304		2372
2305	creates and returns a persistent reference to an objetc that can be stored as a string.	2373	Creates and returns a persistent reference to an object that can be stored as a string.
2306		2374
2307	=item $ob = cf::object::deref ($refstring)	2375	=item $ob = cf::object::deref ($refstring)
2308		2376
2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2310	even if the object actually exists. May block.	2378	even if the object actually exists. May block.
…		…
2342	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
2343	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
2344		2412
2345	=cut	2413	=cut
2346		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
		2428
2347	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2430	# with dialog boxes.
2349	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
2350	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2433	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2444	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2446
2365	} else {	2447	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2450	}
2369	}	2451	}
2370	}	2452	}
2371		2453
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2479
2398	=item $player_object->enter_link	2480	=item $player_object->enter_link
2399		2481
2400	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
2401		2483
2402	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
2403	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
2404		2488
2405	Will never block.	2489	Will never block.
2406		2490
2407	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
2408		2492
…		…
2466		2550
2467	$map->load;	2551	$map->load;
2468	$map->load_neighbours;	2552	$map->load_neighbours;
2469		2553
2470	return unless $self->contr->active;	2554	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2555
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
2475	}	2561	}
2476		2562
2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2478		2564
2479	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
2480	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
2481	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
2482	the new (success) or old (failed) map position. In either case, $done will	2568	the new (success) or old (failed) map position. In either case, $done will
2483	be called at the end of this process.	2569	be called at the end of this process.
		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
2484		2573
2485	=cut	2574	=cut
2486		2575
2487	our $GOTOGEN;	2576	our $GOTOGEN;
2488		2577
…		…
2567	}	2656	}
2568		2657
2569	sub prepare_random_map {	2658	sub prepare_random_map {
2570	my ($exit) = @_;	2659	my ($exit) = @_;
2571		2660
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2663	# that depends on the exit object
2577		2664
2578	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2667	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2585	}	2674	}
2586		2675
2587	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2588		2677
2589	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2592		2681
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2684	undef $fh;
2596	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2597		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2600	}	2693	}
2601	}	2694	}
2602		2695
2603	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2605		2698
2606	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2607		2700
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2701	$self->enter_link;
2620		2702
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2703	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2704	$Coro::current->{desc} = "enter_exit";
2627		2705
2628	$self->deactivate_recursive; # just to be sure
2629	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2630	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2631		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2632	1;	2727	1
2633	}) {	2728	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2636	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2638		2733
2639	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	2762	the message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	2763	the message unless the client supports the msg packet.
2669		2764
2670	=cut	2765	=cut
2671		2766
		2767	# non-persistent channels (usually the info channel)
2672	our %CHANNEL = (	2768	our %CHANNEL = (
2673	"c/identify" => {	2769	"c/identify" => {
2674	id => "infobox",	2770	id => "infobox",
2675	title => "Identify",	2771	title => "Identify",
2676	reply => undef,	2772	reply => undef,
…		…
2680	id => "infobox",	2776	id => "infobox",
2681	title => "Examine",	2777	title => "Examine",
2682	reply => undef,	2778	reply => undef,
2683	tooltip => "Signs and other items you examined",	2779	tooltip => "Signs and other items you examined",
2684	},	2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
2685	"c/lookat" => {	2787	"c/lookat" => {
2686	id => "infobox",	2788	id => "infobox",
2687	title => "Look",	2789	title => "Look",
2688	reply => undef,	2790	reply => undef,
2689	tooltip => "What you saw there",	2791	tooltip => "What you saw there",
2690	},	2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
2691	);	2867	);
2692		2868
2693	sub cf::client::send_msg {	2869	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	2870	my ($self, $channel, $msg, $color, @extra) = @_;
2695		2871
2696	$msg = $self->pl->expand_cfpod ($msg);	2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
2697		2874
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		2876
2700	# check predefined channels, for the benefit of C	2877	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	2878	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	2879	$channel = $CHANNEL{$channel};
2703		2880
2704	$self->ext_msg (channel_info => $channel)	2881	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	2882	$channel = $channel->{id};
2708		2883
2709	} elsif (ref $channel) {	2884	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	2885	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	2886	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	2887	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	2889	}
2716		2890
2717	$channel = $channel->{id};	2891	$channel = $channel->{id};
2718	}	2892	}
2719		2893
2720	return unless @extra || length $msg;	2894	return unless @extra || length $msg;
2721		2895
2722	if ($self->can_msg) {
2723	# default colour, mask it out	2896	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	2898	if $color & cf::NDI_DEF;
2726		2899
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	2903	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		2904
2741	$color &= cf::NDI_COLOR_MASK;	2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
2742		2908
2743	utf8::encode $msg;	2909	# split very large packets
2744		2910	if (8192 < length $pkt and $self->{can_lzf}) {
2745	if (0 && $msg =~ /\[/) {	2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2746	# COMMAND/INFO	2912	$pkt = "frag";
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}	2913	}
		2914
		2915	$self->send_packet ($pkt);
2754	}	2916	}
2755		2917
2756	=item $client->ext_msg ($type, @msg)	2918	=item $client->ext_msg ($type, @msg)
2757		2919
2758	Sends an ext event to the client.	2920	Sends an ext event to the client.
…		…
2932		3094
2933	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2934		3096
2935	cf::object	3097	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
		3100	value
2938		3101
2939	cf::object::player	3102	cf::object::player
2940	player	3103	player
2941		3104
2942	cf::player	3105	cf::player
…		…
2947		3110
2948	=cut	3111	=cut
2949		3112
2950	for (	3113	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3115	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3116	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2957	) {	3120	) {
2958	no strict 'refs';	3121	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2977	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2978		3141
2979	my $qcode = $code;	3142	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2982		3147
2983	local $_;	3148	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2985		3150
2986	my $eval =	3151	my $eval =
…		…
3063	{	3228	{
3064	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
3065		3230
3066	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
3068	cf::face::set_visibility $idx, $info->{visibility};	3234	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3235	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3072		3238
3073	cf::cede_to_tick;	3239	cf::cede_to_tick;
3074	}	3240	}
3075		3241
3076	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
3078	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
3079	or next;	3246	or next;
		3247
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3249	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3251	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3102	{	3270	{
3103	# TODO: for gcfclient pleasure, we should give resources	3271	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.	3272	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3273	my $res = $facedata->{resource};
3106		3274
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($name, $info) = each %$res) {	3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;	3278	my $data;
3112		3279
3113	if ($info->{type} & 1) {	3280	if ($info->{type} & 1) {
3114	# prepend meta info	3281	# prepend meta info
3115		3282
3116	my $meta = $enc->encode ({	3283	my $meta = $enc->encode ({
3117	name => $name,	3284	name => $name,
3118	%{ $info->{meta} || {} },	3285	%{ $info->{meta} || {} },
3119	});	3286	});
3120		3287
3121	$data = pack "(w/a*)*", $meta, $info->{data};	3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
3122	} else {	3295	} else {
3123	$data = $info->{data};	3296	$RESOURCE{$name} = $info;
3124	}	3297	}
3125		3298
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;	3299	cf::cede_to_tick;
3130	}	3300	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3150		3304
3151	1	3305	1
3152	}	3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
3153		3327
3154	register_exticmd fx_want => sub {	3328	register_exticmd fx_want => sub {
3155	my ($ns, $want) = @_;	3329	my ($ns, $want) = @_;
3156		3330
3157	while (my ($k, $v) = each %$want) {	3331	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3332	$ns->fx_want ($k, $v);
3159	}	3333	}
3160	};	3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
3161		3345
3162	sub reload_regions {	3346	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3347	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3348	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3349	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3179	}	3363	}
3180		3364
3181	sub reload_archetypes {	3365	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3366	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3367	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references
3185	# this really needs to be done in an extra post-pass
3186	# (which needs to be synchronous, so solve it differently)
3187	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";
3189	}	3368	}
3190		3369
3191	sub reload_treasures {	3370	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3371	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3372	or die "unable to load treasurelists\n";
3194	}	3373	}
3195		3374
3196	sub reload_resources {	3375	sub reload_resources {
3197	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
3198		3377
		3378	reload_facedata;
		3379	reload_archetypes;
3199	reload_regions;	3380	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3381	reload_treasures;
3204		3382
3205	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
3206	}
3207
3208	sub init {
3209	reload_resources;
3210	}	3384	}
3211		3385
3212	sub reload_config {	3386	sub reload_config {
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
3214	or return;	3388	or return;
3215		3389
3216	local $/;	3390	local $/;
3217	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
3218		3392
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3220		3394
3221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3228	};	3402	};
3229	warn $@ if $@;	3403	warn $@ if $@;
3230	}	3404	}
3231	}	3405	}
3232		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
3233	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
3234	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3237	(async {	3453	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3455	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
3241	};	3457	};
3242		3458
		3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
3243	reload_config;	3463	reload_config;
3244	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
3245	load_extensions;	3477	load_extensions;
3246		3478
3247	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
3248	Event::loop;	3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
3249	}	3489	}
3250		3490
3251	#############################################################################	3491	#############################################################################
3252	# initialisation and cleanup	3492	# initialisation and cleanup
3253		3493
3254	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
3255	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
3264	},
3265	);	3500	};
3266	}	3501	}
3267	}	3502	}
3268		3503
3269	sub write_runtime {	3504	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";
3271
3272	# first touch the runtime file to show we are still running:	3505	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3506	# the fsync below can take a very very long time.
3274		3507
3275	IO::AIO::aio_utime $runtime, undef, undef;	3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3509
3277	my $guard = cf::lock_acquire "write_runtime";	3510	my $guard = cf::lock_acquire "write_runtime";
3278		3511
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3280	or return;	3513	or return;
3281		3514
3282	my $value = $cf::RUNTIME + 90 + 10;	3515	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3516	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3517	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3527	aio_utime $fh, undef, undef;
3295		3528
3296	close $fh	3529	close $fh
3297	or return;	3530	or return;
3298		3531
3299	aio_rename "$runtime~", $runtime	3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	3533	and return;
3301		3534
3302	warn "runtime file written.\n";	3535	warn "runtime file written.\n";
3303		3536
3304	1	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
3305	}	3588	}
3306		3589
3307	sub emergency_save() {	3590	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
3309		3592
3310	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
3311		3594
3312	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
3313	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	3607	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	3609	$pl->save;
3322	}	3610	}
3323	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
3324		3612
3325	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
3326	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	3616	$map->valid or next;
3329	$map->save;	3617	$map->save;
3330	}	3618	}
3331	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
3332		3620
3333	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3335	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
3336	};	3628	};
3337		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
3338	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
3339	}	3636	}
3340		3637
3341	sub post_cleanup {	3638	sub post_cleanup {
3342	my ($make_core) = @_;	3639	my ($make_core) = @_;
3343		3640
3344	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
3345	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
3346	}	3672	}
3347		3673
3348	sub do_reload_perl() {	3674	sub do_reload_perl() {
3349	# can/must only be called in main	3675	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
3351	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
3352	return;	3678	return;
3353	}	3679	}
3354		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
3355	warn "reloading...";	3686	warn "reloading...";
3356		3687
3357	warn "entering sync_job";	3688	warn "entering sync_job";
3358		3689
3359	cf::sync_job {	3690	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
3361	cf::emergency_save;	3692	cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
3363		3694
3364	warn "syncing database to disk";	3695	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
3366		3697
3367	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
3368		3699
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
3380	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();
3388
3389	warn "removing commands";
3390	%COMMAND = ();
3391
3392	warn "removing ext/exti commands";
3393	%EXTCMD = ();
3394	%EXTICMD = ();
3395
3396	warn "unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";
3399
3400	if (my $cb = $pkg->can ("unload")) {
3401	eval {
3402	$cb->($pkg);
3403	1
3404	} or warn "$pkg unloaded, but with errors: $@";
3405	}	3703	}
3406		3704
3407	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
3408	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
3409	}	3707	%EXT_CORO = ();
3410		3708
3411	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
3412	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
3415	warn "... unloading $k";	3718	warn "... unloading $pkg";
3416	delete $INC{$k};
3417		3719
3418	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;
3420
3421	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
3422	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
3423	}	3729	}
3424		3730
3425	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
3426	}	3746	}
3427		3747
3428	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3431		3751
3432	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		3755
3436	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
3437	# and global variables created in xs	3757	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
3439		3759
3440	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
3441		3761
3442	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
3443	require cf;	3763	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3445		3765
3446	warn "loading config and database again";	3766	warn "loading config and database again";
3447	cf::reload_config;	3767	cf::reload_config;
3448		3768
3449	warn "loading extensions";	3769	warn "loading extensions";
3450	cf::load_extensions;	3770	cf::load_extensions;
3451		3771
		3772	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
3455	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
3458		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
3459	warn "leaving sync_job";	3784	warn "leaving sync_job";
3460		3785
3461	1	3786	1
3462	} or do {	3787	} or do {
3463	warn $@;	3788	warn $@;
3464	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
3465	exit 1;
3466	};	3790	};
3467		3791
3468	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
3469	};	3798	};
3470		3799
3471	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
3472		3801
3473	sub reload_perl() {	3802	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
3476		3805
3477	$RELOAD_WATCHER ||= Event->timer (	3806	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	3807	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	3808
3480	data => WF_AUTOCANCEL,	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	3810	do_reload_perl;
3483	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
3484	},	3812	};
3485	);	3813	};
3486	}	3814	}
3487		3815
3488	register_command "reload" => sub {	3816	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
3490		3818
…		…
3503		3831
3504	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
3506		3834
3507	sub wait_for_tick {	3835	sub wait_for_tick {
3508	return unless $TICK_WATCHER->is_active;
3509	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
3510		3837
3511	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
3512	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;	3840	$signal->wait;
3514	}	3841	}
3515		3842
3516	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
3517	return unless $TICK_WATCHER->is_active;
3518	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
3519		3845
3520	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	3848	$signal->wait;
3523	}	3849	}
3524		3850
3525	$TICK_WATCHER = Event->timer (	3851	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
3535	return;	3855	return;
3536	}	3856	}
3537		3857
3538	$NOW = $tick_start = Event::time;
3539
3540	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
3541		3859
3542	$RUNTIME += $TICK;
3543	$NEXT_TICK += $TICK;
3544
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	3862	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	3863	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	3864	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
3551	};
3552	}	3866	};
		3867	}
3553		3868
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	3870	$sig->send;
3556	}	3871	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	3872	while (my $sig = shift @WAIT_FOR_TICK) {
3558	$sig->send;	3873	$sig->send;
3559	}	3874	}
3560		3875
3561	$NOW = Event::time;	3876	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		3878
3572	_post_tick;	3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
3573	},	3885	}
3574	);	3886	}
3575		3887
3576	{	3888	{
		3889	# configure BDB
		3890
3577	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
3578	BDB::max_poll_time $TICK * 0.1;	3892	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	3893	$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		3894
3603	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| BDB::LOG_AUTOREMOVE, 1);	3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		3902
3610	cf::sync_job {	3903	cf::sync_job {
3611	eval {	3904	eval {
…		…
3621		3914
3622	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	3916	};
3624	}	3917	}
3625		3918
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3634	},
3635	);	3921	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	3924	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	3927	};
3656	}	3928	}
3657		3929
3658	{	3930	{
		3931	# configure IO::AIO
		3932
3659	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	3936	}
3672		3937
3673	my $_log_backtrace;	3938	my $_log_backtrace;
3674		3939
3675	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3678	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3679		3944
3680	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3682	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3683	async {	3949	async {
3684	$Coro::current->{desc} = "abt $msg";	3950	$Coro::current->{desc} = "abt $msg";
3685		3951
3686	my @bt = fork_call {	3952	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	3964	}
3699		3965
3700	@funcs	3966	@funcs
3701	};	3967	};
3702		3968
3703	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	3972	--$_log_backtrace;
3706	};	3973	};
3707	} else {	3974	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3710	}	3977	}
3711	}	3978	}
3712		3979
3713	# load additional modules	3980	# load additional modules
3714	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
3715		3982
3716	END { cf::emergency_save }	3983	END { cf::emergency_save }
3717		3984
3718	1	3985	1
3719		3986

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