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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.297 by root, Thu Jul 5 08:10:30 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
171	=back	253	=back
172		254
173	=cut	255	=cut
174		256
175	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	264	my $msg = join "", @_;
178		265
179	$msg .= "\n"	266	$msg .= "\n"
180	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
181		268
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		270
184	utf8::encode $msg;
185	LOG llevError, $msg;	271	LOG llevWarn, $msg;
186	};	272	};
187	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
188		287
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	298	for my $pkg (qw(
200	cf::global cf::attachable	299	cf::global cf::attachable
201	cf::object cf::object::player	300	cf::object cf::object::player
202	cf::client cf::player	301	cf::client cf::player
203	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
204	cf::map cf::party cf::region	304	cf::party cf::region
205	)) {	305	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	307	}
209		308
210	$Event::DIED = sub {	309	$EV::DIED = sub {
211	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
212	};	311	};
213		312
214	#############################################################################	313	#############################################################################
215		314
216	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	338	$d
240	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
241	}	340	}
242		341
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
251	=cut	350	=cut
252		351
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		353
255	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
257		370
258	=item cf::lock_wait $string	371	=item cf::lock_wait $string
259		372
260	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
261		374
262	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
263		376
264	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
267	returned.	380	returned.
268		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
269	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
271		387
272	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
273		389
274	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
275		391
276	=cut	392	=cut
277		393
278	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
279		395
280	sub lock_wait($) {	396	sub lock_wait($) {
281	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	398	}
289		399
290	sub lock_acquire($) {	400	sub lock_acquire($) {
291	my ($key) = @_;	401	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	402	}
303		403
304	sub lock_active($) {	404	sub lock_active($) {
305	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	406	}
309		407
310	sub freeze_mainloop {	408	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
312		410
313	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
315	};	478	}
316	$TICK_WATCHER->stop;	479	};
317	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
318	}	494	}
319		495
320	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
321		497
322	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		503
328	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
329		505
330	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
331		507
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	524	my $time = AE::time;
349		525
350	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
352		528
353	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	530
355	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
356		532
357	my $busy = 1;	533	my $busy = 1;
358	my @res;	534	my @res;
359		535
360	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	538	@res = eval { $job->() };
362	warn $@ if $@;	539	error $@ if $@;
363	undef $busy;	540	undef $busy;
364	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
365		542
366	while ($busy) {	543	while ($busy) {
367	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
368	}	548	}
		549	}
369		550
370	$time = Event::time - $time;	551	my $time = AE::time - $time;
371		552
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
376		554
377	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
378	} else {	556	} else {
379	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
380		558
…		…
405	=item fork_call { }, $args	583	=item fork_call { }, $args
406		584
407	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
411		589
412	=cut	590	=cut
413		591
414	sub fork_call(&@) {	592	sub fork_call(&@) {
415	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
416		594
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		598
422	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	600	reset_signals;
435	local $SIG{__WARN__};	601	&$cb
436	local $SIG{__DIE__};	602	}, @args;
437	eval {
438	close $fh1;
439		603
440	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
442	};
443		606
444	warn $@ if $@;	607	sub objinfo {
445	_exit 0;
446	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
447	}	643	}
448		644
449	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
450		646
451	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
454		650
455	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
458	=cut	659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
459		677
460	our $DB;	678	our $DB;
461		679
462	sub db_init {	680	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	681	cf::sync_job {
467	eval {	682	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	683	};
477	}	684	}
478		685
479	sub db_get($$) {	686	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
481		688
…		…
531	if (1) {	738	if (1) {
532	$md5 =	739	$md5 =
533	join "\x00",	740	join "\x00",
534	$processversion,	741	$processversion,
535	map {	742	map {
536	Coro::cede;	743	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	745	} 0.. $#$src;
539		746
540		747
541	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		755
549	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	757	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
552		759
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		761
555	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
558		765
…		…
568		775
569	=cut	776	=cut
570		777
571	sub datalog($@) {	778	sub datalog($@) {
572	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	781	}
575		782
576	=back	783	=back
577		784
578	=cut	785	=cut
579		786
580	#############################################################################	787	#############################################################################
581		788
582	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
583		790
584	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
587		794
588	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	797	Deliantra).
591		798
592	=over 4	799	=over 4
593		800
594	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
595		802
…		…
639	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
640		847
641	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
643		850
644	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
646		853
647	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
648		855
649	=over 4	856	=over 4
…		…
773		980
774	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		983
777	} elsif (ref $type) {	984	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
779		986
780	} else {	987	} else {
781	shift @arg;	988	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
783	}	990	}
784	}	991	}
785	}	992	}
786		993
787	sub _object_attach {	994	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
798	}	1005	}
799		1006
800	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
801	} else {	1008	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1010	}
804		1011
805	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
806	}	1013	}
807		1014
…		…
847	";	1054	";
848	die if $@;	1055	die if $@;
849	}	1056	}
850		1057
851	our $override;	1058	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1060
854	sub override {	1061	sub override {
855	$override = 1;	1062	$override = 1;
856	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
857	}	1064	}
858		1065
859	sub do_invoke {	1066	sub do_invoke {
860	my $event = shift;	1067	my $event = shift;
861	my $callbacks = shift;	1068	my $callbacks = shift;
862		1069
863	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
864		1071
865	local $override;	1072	local $override;
866		1073
867	for (@$callbacks) {	1074	for (@$callbacks) {
868	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
869		1076
870	if ($@) {	1077	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1079	override;
874	}	1080	}
875		1081
876	return 1 if $override;	1082	return 1 if $override;
877	}	1083	}
878		1084
879	0	1085	0
880	}	1086	}
881		1087
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1089
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1091
886	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
887		1093
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1097
892	=back	1098	=back
893		1099
894	=cut	1100	=cut
895		1101
896	#############################################################################	1102	#############################################################################
897	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
898		1146
899	sub reattach {	1147	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1149	my ($obj) = @_;
902		1150
		1151	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1153
905	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
906		1155
907	@$registry = ();	1156	@$registry = ();
908		1157
…		…
913	for (@$attach) {	1162	for (@$attach) {
914	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
916	}	1165	}
917	} else {	1166	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1168	}
920	}	1169	}
921	}	1170	}
922		1171
923	cf::attachable->attach (	1172	cf::attachable->attach (
924	prio => -1000000,	1173	prio => -1000000,
925	on_instantiate => sub {	1174	on_instantiate => sub {
926	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
927		1176
928	$data = from_json $data;	1177	$data = decode_json $data;
929		1178
930	for (@$data) {	1179	for (@$data) {
931	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
932		1181
933	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1198	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
951		1200
952	sync_job {	1201	sync_job {
953	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
956		1207
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
961	close $fh;	1215	aio_close $fh;
962		1216
963	if (@$objs) {	1217	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
969	close $fh;	1226	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
971	}	1228	}
972	} else {	1229	} else {
973	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
974	}	1231	}
975		1232
976	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1237	} else {
978	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
979	}	1239	}
980	} else {	1240	} else {
981	aio_unlink $filename;	1241	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
983	}	1243	}
984	}	1244	};
985	}	1245	}
986		1246
987	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
989		1249
…		…
1001	or return;	1261	or return;
1002		1262
1003	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1265	or return;
		1266
1006	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1007	}	1269	}
1008		1270
		1271	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1011	return ($data, $av);	1276	($data, $av)
1012	}	1277	}
1013		1278
1014	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1015		1280
1016	=over 4	1281	=over 4
…		…
1070	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1071		1336
1072	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1073	}	1338	}
1074		1339
		1340	use File::Glob ();
		1341
1075	cf::player->attach (	1342	cf::player->attach (
1076	on_command => sub {	1343	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1078		1345
1079	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1080	or return;	1347	or return;
1081		1348
…		…
1089	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1090		1357
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1359
1093	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1099	} else {	1375	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1377	}
1102		1378
1103	cf::override;	1379	cf::override;
1104	},	1380	},
1105	);	1381	);
1106		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1107	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1108	cf::sync_job {	1399	cf::sync_job {
1109	my %todo;	1400	my %todo;
1110		1401
1111	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1403	next unless -r $path;
…		…
1130		1421
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1424
1134	$ext{source} =	1425	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1137	. $source	1428	. $source
1138	. "\n};\n1";	1429	. "\n};\n1";
1139		1430
1140	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1141	}	1432	}
1142		1433
		1434	my $pass = 0;
1143	my %done;	1435	my %done;
1144	while (%todo) {	1436	while (%todo) {
1145	my $progress;	1437	my $progress;
1146		1438
		1439	++$pass;
		1440
		1441	ext:
1147	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1444	next ext
1150	unless exists $done{$_};	1445	unless exists $done{$_};
1151	}	1446	}
1152		1447
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1449
1155	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1160	warn $msg;	1457
1161	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1459	delete $todo{$k};
1163	}	1460	} else {
1164		1461	$done{$k} = delete $todo{$k};
1165	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1166	}	1467	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1468	}
1172		1469
1173	skip:	1470	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1176	}	1478	}
1177	};	1479	};
1178	}	1480	}
1179		1481
1180	#############################################################################	1482	#############################################################################
1181		1483
1182	=back	1484	=back
1183		1485
1184	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1185		1487
1186	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1187		1489
1188	=cut	1490	=cut
1189		1491
1190	package cf::player;	1492	package cf::player;
1191		1493
1192	use Coro::AIO;	1494	use Coro::AIO;
1193		1495
1194	=head3 cf::player	1496	=head3 cf::player
1195		1497
1196	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1197		1513
1198	=item cf::player::find $login	1514	=item cf::player::find $login
1199		1515
1200	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1201		1517
…		…
1220		1536
1221	sub exists($) {	1537	sub exists($) {
1222	my ($login) = @_;	1538	my ($login) = @_;
1223		1539
1224	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1226	}	1542	}
1227		1543
1228	sub find($) {	1544	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1546	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1557
1242	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1245	}	1567	}
1246	}	1568	}
1247	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1248		1583
1249	sub save($) {	1584	sub save($) {
1250	my ($pl) = @_;	1585	my ($pl) = @_;
1251		1586
1252	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1258		1593
1259	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1261		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1262	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1263	Coro::cede;	1603	cf::cede_to_tick;
1264	}	1604	}
1265		1605
1266	sub new($) {	1606	sub new($) {
1267	my ($login) = @_;	1607	my ($login) = @_;
1268		1608
…		…
1274	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1275		1615
1276	$self	1616	$self
1277	}	1617	}
1278		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1279	=item $pl->quit_character	1629	=item $pl->quit_character
1280		1630
1281	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1283		1633
…		…
1287	my ($pl) = @_;	1637	my ($pl) = @_;
1288		1638
1289	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1290		1640
1291	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1643
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1298		1649
1299	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1687	or return [];
1337		1688
1338	my @logins;	1689	my @logins;
1339		1690
1340	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1344		1701
1345	utf8::decode $login;	1702	utf8::decode $login;
1346	push @logins, $login;	1703	push @logins, $login;
1347	}	1704	}
1348		1705
1349	\@logins	1706	\@logins
1350	}	1707	}
1351		1708
1352	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1353		1712
1354	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1355	player. May block.	1714	player. May block.
1356		1715
1357	=cut	1716	=cut
…		…
1375	}	1734	}
1376		1735
1377	\@paths	1736	\@paths
1378	}	1737	}
1379		1738
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1740
1382	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1383		1742
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1431		1744
1432	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1433		1746
1434	=cut	1747	=cut
1435		1748
1436	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1438		1751
1439	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1753	}
1442		1754
1443	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1444		1756
1445	Sends an ext event to the client.	1757	Sends an ext event to the client.
1446		1758
1447	=cut	1759	=cut
1448		1760
1449	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1451		1763
1452	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1453	}	1765	}
1454		1766
1455	=head3 cf::region	1767	=head3 cf::region
1456		1768
1457	=over 4	1769	=over 4
…		…
1467	=cut	1779	=cut
1468		1780
1469	sub find_by_path($) {	1781	sub find_by_path($) {
1470	my ($path) = @_;	1782	my ($path) = @_;
1471		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1472	my ($match, $specificity);	1786	my ($match, $specificity);
1473		1787
1474	for my $region (list) {	1788	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1478	}	1792	}
1479	}	1793	}
1480		1794
…		…
1501	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1503		1817
1504	sub generate_random_map {	1818	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1506	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1824	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1536		1853
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1855	}
1539		1856
1540	# also paths starting with '/'	1857	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1859
1543	sub thawer_merge {	1860	sub thawer_merge {
1544	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1545		1862
1546	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1600	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1601	return $self;	1918	return $self;
1602	}	1919	}
1603	}	1920	}
1604		1921
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1923	()
1607	}	1924	}
1608		1925
1609	sub init {	1926	sub init {
1610	my ($self) = @_;	1927	my ($self) = @_;
…		…
1632		1949
1633	# the temporary/swap location	1950	# the temporary/swap location
1634	sub save_path {	1951	sub save_path {
1635	my ($self) = @_;	1952	my ($self) = @_;
1636		1953
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1639	}	1956	}
1640		1957
1641	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1642	sub uniq_path {	1959	sub uniq_path {
1643	my ($self) = @_;	1960	my ($self) = @_;
1644		1961
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1964	}
1657		1965
1658	sub decay_objects {	1966	sub decay_objects {
1659	my ($self) = @_;	1967	my ($self) = @_;
1660		1968
…		…
1673		1981
1674	sub load_header_from($) {	1982	sub load_header_from($) {
1675	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1676		1984
1677	utf8::encode $path;	1985	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1683		1994
1684	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1685		1996
1686	1	1997	1
1687	}	1998	}
…		…
1741	sub find {	2052	sub find {
1742	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1743		2054
1744	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1745		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2059
1748	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1751	or return;	2062	or return;
1752		2063
1753	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1754		2065
…		…
1756	or return;	2067	or return;
1757		2068
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1761	$map->reset;	2074	$map->reset;
1762	undef $guard;
1763	return find $path;	2075	return find $path;
1764	}	2076	}
1765		2077
1766	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1767	}	2079	}
1768	}	2080	}
1769		2081
1770	sub pre_load { }	2082	sub pre_load { }
1771	sub post_load { }	2083	#sub post_load { } # XS
1772		2084
1773	sub load {	2085	sub load {
1774	my ($self) = @_;	2086	my ($self) = @_;
1775		2087
1776	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1777		2089
1778	my $path = $self->{path};	2090	my $path = $self->{path};
1779		2091
1780	{	2092	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1782		2094
		2095	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2097
1785	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1786		2099
1787	$self->alloc;	2100	$self->alloc;
1788		2101
1789	$self->pre_load;	2102	$self->pre_load;
1790	Coro::cede;	2103	cf::cede_to_tick;
1791		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1793	or return;	2108	or return;
1794		2109
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1796	if delete $self->{load_original};	2111	if delete $self->{load_original};
1797		2112
1798	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2114	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2117	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1803	}	2121	}
1804	}	2122	}
1805		2123
1806	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1807	# now do the right thing for maps	2127	# now do the right thing for maps
1808	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2130	unless $self->difficulty;
1811	Coro::cede;	2131	cf::cede_to_tick;
1812		2132
1813	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2134	$self->decay_objects;
1815	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1816	$self->update_buttons;	2136	$self->update_buttons;
1817	Coro::cede;	2137	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2138	$self->activate;
1821	}	2139	}
1822		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2145	}
1825		2146
1826	$self->post_load;	2147	$self->post_load;
1827	}	2148	}
1828		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2153	sub customise_for {
1830	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1831		2155
1832	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2157	if $self->per_player;
…		…
1837		2161
1838	$self	2162	$self
1839	}	2163	}
1840		2164
1841	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2166	sub load_neighbours {
1843	my ($map) = @_;	2167	my ($map) = @_;
1844		2168
1845	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1846		2170
1847	for (0 .. 3) {	2171	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1849	or next;	2173	or next;
1850	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1851	or next;	2175	or next;
1852	$neigh->load;	2176	$neigh->load;
1853		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2182	}
1857		2183
1858	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1860	or next;	2187	or next;
1861	$neigh->load;	2188	$neigh->load;
1862	}	2189	}
1863	}	2190	}
1864		2191
…		…
1869	}	2196	}
1870		2197
1871	sub do_load_sync {	2198	sub do_load_sync {
1872	my ($map) = @_;	2199	my ($map) = @_;
1873		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1874	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1875	}	2205	}
1876		2206
1877	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1879		2209
1880	sub find_async {	2210	sub find_async {
1881	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1882		2212
1883	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1884		2214
1885	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2217	}
1888		2218
1889	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1890	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1891	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2226	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2227	$map->load if $v;
		2228	}
1896		2229
1897	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1898	}	2231	}
1899	}	2232	}
1900	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1901	};	2234	};
1902	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1903		2236
1904	()	2237	()
1905	}	2238	}
1906		2239
		2240	# common code, used by both ->save and ->swapout
1907	sub save {	2241	sub _save {
1908	my ($self) = @_;	2242	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2243
1912	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1913		2245
1914	return unless $self->dirty;	2246	return unless $self->dirty;
1915		2247
…		…
1921	return if $self->{deny_save};	2253	return if $self->{deny_save};
1922		2254
1923	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1924		2256
1925	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1927	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1928		2263
1929	if ($uniq) {	2264	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2267	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2269	}
1935	}	2270	}
1936		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1937	sub swap_out {	2280	sub swap_out {
1938	my ($self) = @_;	2281	my ($self) = @_;
1939		2282
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1945	return if $self->players;	2287	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1949	$self->clear;	2298	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2299	}
1952		2300
1953	sub reset_at {	2301	sub reset_at {
1954	my ($self) = @_;	2302	my ($self) = @_;
1955		2303
…		…
1973		2321
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2323
1976	return if $self->players;	2324	return if $self->players;
1977		2325
1978	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
1979		2327
1980	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1981		2329
1982	# need to save uniques path	2330	# need to save uniques path
1983	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2335	if $uniq;
1988	}	2336	}
1989		2337
1990	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1991		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2342	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2343
1996	$self->unlink_save;	2344	$self->unlink_save;
1997	$self->destroy;	2345	$self->destroy;
1998	}	2346	}
1999		2347
2000	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2001		2349
2002	sub nuke {	2350	sub nuke {
2003	my ($self) = @_;	2351	my ($self) = @_;
2004		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2005	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2006		2357
2007	$self->unlink_save;	2358	$self->unlink_save;
2008		2359
2009	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2365
2015	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2016		2368
2017	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2018	}	2370	}
2019		2371
2020	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2062		2414
2063	sub unique_maps() {	2415	sub unique_maps() {
2064	[	2416	[
2065	map {	2417	map {
2066	utf8::decode $_;	2418	utf8::decode $_;
2067	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2068	? normalise $_	2422	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2424	]
2072	}	2425	}
2073		2426
2074	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2075		2458
2076	=back	2459	=back
2077		2460
2078	=head3 cf::object	2461	=head3 cf::object
2079		2462
…		…
2083		2466
2084	=over 4	2467	=over 4
2085		2468
2086	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2087		2470
2088	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2089		2473
2090	=cut	2474	=cut
2091		2475
2092	sub inv_recursive_;	2476	sub inv_recursive_;
2093	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2096		2480
2097	sub inv_recursive {	2481	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2099	}	2483	}
2100		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2101	package cf;	2513	package cf;
2102		2514
2103	=back	2515	=back
2104		2516
2105	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2114		2526
2115	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2116		2542
2117	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2544	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2127		2553
2128	} else {	2554	} else {
2129	my $pl = $self->contr;	2555	my $pl = $self->contr;
2130		2556
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2560
2140	} else {	2561	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2564	}
2144	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
2145	}	2576	}
2146		2577
2147	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2148		2579
2149	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2162		2593
2163	=item $player_object->enter_link	2594	=item $player_object->enter_link
2164		2595
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2597
2167	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2169		2602
2170	Will never block.	2603	Will never block.
2171		2604
2172	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2173		2606
…		…
2193	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2627	my ($self) = @_;
2195		2628
2196	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2197		2630
		2631	++$self->{_link_recursion};
		2632
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2634
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2202		2637
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2639	}
2205		2640
2206	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2208		2643
…		…
2225	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2227		2662
2228	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2231		2666
2232	$map->load;	2667	$map->load;
2233	$map->load_diag;	2668	$map->load_neighbours;
2234		2669
2235	return unless $self->contr->active;	2670	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2671
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2240	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2241		2679
		2680	}
		2681
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2683
2244	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
2248		2692
2249	=cut	2693	=cut
2250		2694
2251	our $GOTOGEN;	2695	our $GOTOGEN;
2252		2696
2253	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
2255		2705
2256	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2708
2259	$self->enter_link;	2709	$self->enter_link;
2260		2710
2261	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2262	my $map = eval {	2733	my $map = eval {
2263	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2264		2735
2265	if ($map) {	2736	if ($map) {
2266	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2739	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2741	}
2271		2742
2272	$map	2743	$map
2273	};	2744	};
2274		2745
…		…
2279		2750
2280	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2283	}	2754	}
		2755
		2756	$done->($self) if $done;
2284	})->prio (1);	2757	})->prio (1);
2285	}	2758	}
2286		2759
2287	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2288		2761
…		…
2308	}	2781	}
2309		2782
2310	sub prepare_random_map {	2783	sub prepare_random_map {
2311	my ($exit) = @_;	2784	my ($exit) = @_;
2312		2785
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2788	# that depends on the exit object
2318		2789
2319	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2792	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2326	}	2799	}
2327		2800
2328	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2329		2802
2330	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2333		2806
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2809	undef $fh;
2337	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2338		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2341	}	2818	}
2342	}	2819	}
2343		2820
2344	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2346		2823
2347	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2348		2825
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2826	$self->enter_link;
2361		2827
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	2828	(async {
2367	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2368	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2369	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2370		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2371	1;	2852	1
2372	}) {	2853	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2375	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2377		2858
2378	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2379	$self->leave_link;	2860	$self->leave_link;
2380	}	2861	}
2381	})->prio (1);	2862	})->prio (1);
2382	}	2863	}
2383		2864
…		…
2397		2878
2398	utf8::encode $text;	2879	utf8::encode $text;
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400	}	2881	}
2401		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		2909
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	2911	client if neccessary. C<$type> should be a string identifying the type of
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2408		2914
2409	=cut	2915	=cut
2410		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2411	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2413		3033
2414	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
2415		3055
2416	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2417		3057
2418	if ($self->can_msg) {	3058	# default colour, mask it out
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420	} else {	3060	if $color & cf::NDI_DEF;
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430		3061
2431	if ($color >= 0) {	3062	my $pkt = "msg "
2432	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434	} else {	3065	);
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")
2437	}
2438	}
2439	}
2440	}
2441		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2442	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2443		3071
2444	Sends an ext event to the client.	3072	Sends an ext event to the client.
2445		3073
2446	=cut	3074	=cut
2447		3075
2448	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2450		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2453	}	3103	}
2454		3104
2455	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2456		3106
2457	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2513		3163
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		3165
2516	if (ref $msg) {	3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2523	} else {	3181	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	3183	}
2526		3184
2527	cf::override;	3185	cf::override;
2528	},	3186	},
2529	);	3187	);
…		…
2549		3207
2550	$coro	3208	$coro
2551	}	3209	}
2552		3210
2553	cf::client->attach (	3211	cf::client->attach (
2554	on_destroy => sub {	3212	on_client_destroy => sub {
2555	my ($ns) = @_;	3213	my ($ns) = @_;
2556		3214
2557	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558	},	3216	},
2559	);	3217	);
…		…
2574	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2576		3234
2577	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2578		3236
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2580		3242
2581	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2582		3244
2583	=pod	3245	=pod
2584		3246
2585	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2586		3248
2587	cf::object	3249	cf::object
2588	contr pay_amount pay_player map x y force_find force_add	3250	contr pay_amount pay_player map x y force_find force_add destroy
2589	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2590		3253
2591	cf::object::player	3254	cf::object::player
2592	player	3255	player
2593		3256
2594	cf::player	3257	cf::player
…		…
2599		3262
2600	=cut	3263	=cut
2601		3264
2602	for (	3265	for (
2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2604	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2605	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2606	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2607	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2608	) {	3272	) {
2609	no strict 'refs';	3273	no strict 'refs';
2610	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2611	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2629		3293
2630	my $qcode = $code;	3294	my $qcode = $code;
2631	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2632	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2633		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2634	local $_;	3301	local $_;
2635	local @safe::cf::_safe_eval_args = values %vars;
2636		3302
2637	my $eval =	3303	my $eval =
2638	"do {\n"	3304	"do {\n"
2639	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2640	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2641	. $code	3307	. $code
2642	. "\n}"	3308	. "\n}"
2643	;	3309	;
2644		3310
		3311	if ($CFG{safe_eval}) {
2645	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2646	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2647	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2648		3320
2649	if ($@) {	3321	if ($@) {
2650	warn "$@";	3322	warn "$@",
2651	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2652	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2653	}	3325	}
2654		3326
2655	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2656	}	3328	}
2657		3329
…		…
2671	=cut	3343	=cut
2672		3344
2673	sub register_script_function {	3345	sub register_script_function {
2674	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2675		3347
2676	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2677	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2678	}	3350	}
2679		3351
2680	=back	3352	=back
2681		3353
2682	=cut	3354	=cut
…		…
2685	# the server's init and main functions	3357	# the server's init and main functions
2686		3358
2687	sub load_facedata($) {	3359	sub load_facedata($) {
2688	my ($path) = @_;	3360	my ($path) = @_;
2689		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2690	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2691		3369
2692	my $facedata;	3370	my $facedata;
2693	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2694	or die "$path: $!";	3372	or die "$path: $!";
2695		3373
2696	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2697		3375
2698	$facedata->{version} == 2	3376	$facedata->{version} == 2
2699	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2700		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2701	{	3388	{
2702	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2703		3390
2704	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2709	Coro::cede;	3398
		3399	cf::cede_to_tick;
2710	}	3400	}
2711		3401
2712	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2713	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2714	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2715	or next;	3406	or next;
		3407
2716	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718	} else {	3411	} else {
2719	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2720	}	3413	}
2721	Coro::cede;	3414
		3415	cf::cede_to_tick;
2722	}	3416	}
2723	}	3417	}
2724		3418
2725	{	3419	{
2726	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2727		3421
2728	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2729	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2730	Coro::cede;	3424	cf::cede_to_tick;
2731	}	3425	}
2732		3426
2733	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2734	}	3428	}
2735		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2736	1	3449	1
2737	}	3450	}
2738		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2739	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2740	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2741	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2742	}	3482	}
2743		3483
2744	sub reload_facedata {	3484	sub reload_facedata {
2745	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2746	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
2747	}	3487	}
2748		3488
2749	sub reload_archetypes {	3489	sub reload_archetypes {
2750	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2751	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2752	#d# NEED to laod twice to resolve forward references
2753	# this really needs to be done in an extra post-pass
2754	# (which needs to be synchronous, so solve it differently)
2755	load_resource_file "$DATADIR/archetypes"
2756	or die "unable to load archetypes\n";
2757	}	3492	}
2758		3493
2759	sub reload_treasures {	3494	sub reload_treasures {
2760	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2761	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2762	}	3497	}
2763		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2764	sub reload_resources {	3522	sub reload_resources {
2765	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2766		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2767	reload_regions;	3528	reload_regions;
2768	reload_facedata;
2769	#reload_archetypes;#d#
2770	reload_archetypes;
2771	reload_treasures;	3529	reload_treasures;
2772		3530
2773	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2774	}	3532	}
2775		3533
2776	sub init {	3534	sub reload_config {
2777	reload_resources;	3535	trace "reloading config file...\n";
2778	}
2779		3536
2780	sub cfg_load {
2781	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2782	or return;	3538	or return;
2783		3539
2784	local $/;	3540	local $/;
2785	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2786		3542
2787	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2788		3544
2789	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2790	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2791		3547
2792	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2794	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2795	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2796	};	3552	};
2797	warn $@ if $@;	3553	warn $@ if $@;
2798	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2799	}	3585	}
2800		3586
2801	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2802	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2803	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2804	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2805	(async {	3600	(async {
2806	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2807	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2808	};	3604	};
2809		3605
2810	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2811	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2812	load_extensions;	3629	load_extensions;
2813		3630
2814	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2815	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2816	}	3644	}
2817		3645
2818	#############################################################################	3646	#############################################################################
2819	# initialisation and cleanup	3647	# initialisation and cleanup
2820		3648
2821	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2822	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2823	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2824	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2825	reentrant => 0,
2826	data => WF_AUTOCANCEL,
2827	signal => $signal,
2828	prio => 0,
2829	cb => sub {
2830	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2831	},
2832	);	3655	};
2833	}	3656	}
2834	}	3657	}
2835		3658
2836	sub write_runtime {	3659	sub write_runtime_sync {
2837	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2838		3661
2839	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2840	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2841		3664
2842	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843		3666
2844	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2845		3668
2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2847	or return;	3670	or return;
2848		3671
2849	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2850	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2851	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2861	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2862		3685
2863	close $fh	3686	close $fh
2864	or return;	3687	or return;
2865		3688
2866	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867	and return;	3690	and return;
2868		3691
2869	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2870		3693
2871	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2872	}	3745	}
2873		3746
2874	sub emergency_save() {	3747	sub emergency_save() {
2875	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2876		3749
2877	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2878		3751
2879	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2880	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2881	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2882	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2883	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2884	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2885	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2886	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887	$pl->save;	3766	$pl->save;
2888	}	3767	}
2889	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2890		3769
2891	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2892	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2893	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2894	$map->valid or next;	3773	$map->valid or next;
2895	$map->save;	3774	$map->save;
2896	}	3775	}
2897	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2898		3777
2899	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2900	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2901	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2902	};	3785	};
2903		3786
2904	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2905	}	3793	}
2906		3794
2907	sub post_cleanup {	3795	sub post_cleanup {
2908	my ($make_core) = @_;	3796	my ($make_core) = @_;
2909		3797
2910	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2911	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2912	}	3828	}
2913		3829
2914	sub do_reload_perl() {	3830	sub do_reload_perl() {
2915	# can/must only be called in main	3831	# can/must only be called in main
2916	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2917	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2918	return;	3834	return;
2919	}	3835	}
2920		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2921	warn "reloading...";	3842	info "reloading...";
2922		3843
2923	warn "entering sync_job";	3844	trace "entering sync_job";
2924		3845
2925	cf::sync_job {	3846	cf::sync_job {
2926	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2927	cf::emergency_save;	3848	cf::emergency_save;
2928	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2929		3850
2930	warn "syncing database to disk";	3851	trace "syncing database to disk";
2931	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2932		3853
2933	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2934		3855
2935	warn "cancelling all WF_AUTOCANCEL watchers";
2936	for (Event::all_watchers) {
2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2938	}
2939
2940	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2941	for (;;) {
2942	BDB::flush;
2943	IO::AIO::flush;
2944	Coro::cede;
2945	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2946	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2947	}
2948
2949	++$RELOAD;
2950
2951	warn "cancelling all extension coros";
2952	$_->cancel for values %EXT_CORO;
2953	%EXT_CORO = ();
2954
2955	warn "removing commands";
2956	%COMMAND = ();
2957
2958	warn "removing ext/exti commands";
2959	%EXTCMD = ();
2960	%EXTICMD = ();
2961
2962	warn "unloading/nuking all extensions";
2963	for my $pkg (@EXTS) {
2964	warn "... unloading $pkg";
2965
2966	if (my $cb = $pkg->can ("unload")) {
2967	eval {
2968	$cb->($pkg);
2969	1
2970	} or warn "$pkg unloaded, but with errors: $@";
2971	}	3859	}
2972		3860
2973	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2974	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2975	}	3863	%EXT_CORO = ();
2976		3864
2977	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2978	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2981	warn "... unloading $k";	3874	trace "... unloading $pkg";
2982	delete $INC{$k};
2983		3875
2984	$k =~ s/\.pm$//;
2985	$k =~ s/\//::/g;
2986
2987	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2988	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2989	}	3885	}
2990		3886
2991	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2992	}	3902	}
2993		3903
2994	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2995	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2997		3907
2998	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2999	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3000	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3001		3911
3002	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3003	# and global variables created in xs	3913	# and global variables created in xs
3004	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3005		3915
3006	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3007		3917
3008	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3009	require cf;	3919	require cf;
3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3011		3921
3012	warn "loading config and database again";	3922	trace "loading config and database again";
3013	cf::cfg_load;	3923	cf::reload_config;
3014		3924
3015	warn "loading extensions";	3925	trace "loading extensions";
3016	cf::load_extensions;	3926	cf::load_extensions;
3017		3927
		3928	if ($REATTACH_ON_RELOAD) {
3018	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3019	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3020	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3021	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3022	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3023	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3024		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3025	warn "leaving sync_job";	3940	trace "leaving sync_job";
3026		3941
3027	1	3942	1
3028	} or do {	3943	} or do {
3029	warn $@;	3944	error $@;
3030	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3031	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3032	};	3950	}
3033		3951
3034	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3035	};	3954	};
3036		3955
3037	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3038		3957
3039	sub reload_perl() {	3958	sub reload_perl() {
3040	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3041	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3042		3961
3043	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3044	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3045	after => 0,	3964
3046	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3047	cb => sub {
3048	do_reload_perl;	3966	do_reload_perl;
3049	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3050	},	3968	};
3051	);	3969	};
3052	}	3970	}
3053		3971
3054	register_command "reload" => sub {	3972	register_command "reload" => sub {
3055	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3056		3974
3057	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3058	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3059	async { reload_perl };	3979	reload_perl;
		3980	};
3060	}	3981	}
3061	};	3982	};
3062		3983
3063	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3064		3985
…		…
3066		3987
3067	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3068	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3069		3990
3070	sub wait_for_tick {	3991	sub wait_for_tick {
3071	return unless $TICK_WATCHER->is_active;
3072	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3073		3993
3074	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3075	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3076	$signal->wait;	3996	$signal->wait;
3077	}	3997	}
3078		3998
3079	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3080	return unless $TICK_WATCHER->is_active;
3081	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3082		4001
3083	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3084	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3085	$signal->wait;	4004	$signal->wait;
3086	}	4005	}
3087		4006
3088	my $min = 1e6;#d#	4007	sub tick {
3089	my $avg = 10;
3090	$TICK_WATCHER = Event->timer (
3091	reentrant => 0,
3092	parked => 1,
3093	prio => 0,
3094	at => $NEXT_TICK || $TICK,
3095	data => WF_AUTOCANCEL,
3096	cb => sub {
3097	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3100	return;	4011	return;
3101	}	4012	}
3102		4013
3103	$NOW = $tick_start = Event::time;
3104
3105	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3106		4015
3107	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3108	for(1..10) {
3109	my $t = Event::time;
3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3111	or die;
3112		4017
3113	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3114	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3115	$map->alloc;	4020	Coro::async_pool {
3116	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3117	my $t = Event::time - $t;	4022	write_runtime_sync
3118		4023	or error "ERROR: unable to write runtime file: $!";
3119	#next unless $t < 0.0013;#d#
3120	if ($t < $min) {
3121	$min = $t;
3122	}
3123	$avg = $avg * 0.99 + $t * 0.01;
3124	}
3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126	exit 0;
3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128	};	4024	};
		4025	}
3129		4026
3130	$RUNTIME += $TICK;
3131	$NEXT_TICK += $TICK;
3132
3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
3135	Coro::async_pool {
3136	write_runtime
3137	or warn "ERROR: unable to write runtime file: $!";
3138	};
3139	}
3140
3141	# my $AFTER = Event::time;
3142	# warn $AFTER - $NOW;#d#
3143
3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145	$sig->send;	4028	$sig->send;
3146	}	4029	}
3147	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3148	$sig->send;	4031	$sig->send;
3149	}	4032	}
3150		4033
3151	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153	# if we are delayed by four ticks or more, skip them all
3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156	$TICK_WATCHER->at ($NEXT_TICK);
3157	$TICK_WATCHER->start;
3158
3159	$LOAD = ($NOW - $tick_start) / $TICK;
3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161		4036
3162	_post_tick;	4037	if (0) {
3163		4038	if ($NEXT_TICK) {
3164		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3165	},	4043	}
3166	);	4044	}
3167		4045
3168	{	4046	{
3169	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3170	$BDB_POLL_WATCHER = Event->io (	4048
3171	reentrant => 0,
3172	fd => BDB::poll_fileno,
3173	poll => 'r',
3174	prio => 0,
3175	data => WF_AUTOCANCEL,
3176	cb => \&BDB::poll_cb,
3177	);
3178	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3179		4050	BDB::max_poll_reqs $TICK * 0.1;
3180	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3181	my $status;
3182	my $current = $Coro::current;
3183	(
3184	sub {
3185	$status = $!;
3186	$current->ready; undef $current;
3187	},
3188	sub {
3189	Coro::schedule while defined $current;
3190	$! = $status;
3191	},
3192	)
3193	};
3194		4052
3195	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3196	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3197		4060
3198	cf::sync_job {	4061	cf::sync_job {
3199	eval {	4062	eval {
3200	BDB::db_env_open	4063	BDB::db_env_open
3201	$DB_ENV,	4064	$DB_ENV,
…		…
3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205	0666;	4068	0666;
3206		4069
3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210	$DB_ENV->set_lk_detect;
3211	};	4071	};
3212		4072
3213	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
3214	};	4074	};
3215	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
3216	}	4086	}
3217		4087
3218	{	4088	{
		4089	# configure IO::AIO
		4090
3219	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
3220
3221	undef $Coro::AIO::WATCHER;
3222	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
3223	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
3224	reentrant => 0,
3225	data => WF_AUTOCANCEL,
3226	fd => IO::AIO::poll_fileno,
3227	poll => 'r',
3228	prio => 6,
3229	cb => \&IO::AIO::poll_cb,
3230	);
3231	}	4094	}
3232		4095
3233	my $_log_backtrace;	4096	my $_log_backtrace;
3234		4097
3235	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
3238	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
3239		4102
3240	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
3241	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
3242	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
3243	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
3244	my @bt = fork_call {	4110	my @bt = fork_call {
3245	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3248	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3256	}	4122	}
3257		4123
3258	@funcs	4124	@funcs
3259	};	4125	};
3260		4126
3261	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3263	--$_log_backtrace;	4130	--$_log_backtrace;
3264	};	4131	};
3265	} else {	4132	} else {
3266	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3267	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3268	}	4135	}
3269	}	4136	}
3270		4137
3271	# load additional modules	4138	# load additional modules
3272	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3273		4141
3274	END { cf::emergency_save }	4142	END { cf::emergency_save }
3275		4143
3276	1	4144	1
3277		4145

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