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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
54	our %EXTICMD = ();	88	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
57		91
58	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
60		96
61	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
62	our $DATADIR = datadir;	98	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
66	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
71	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;
72		118
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	121	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
80		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
81	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
83		130
84	our %CFG;	131	our %CFG;
85		132
86	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
88		136
89	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
92		140
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		143
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
98	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 $REALLY_UNLOOP; # never set to true, please :)
99		153
100	binmode STDOUT;	154	binmode STDOUT;
101	binmode STDERR;	155	binmode STDERR;
102		156
103	# read virtual server time, if available	157	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
108	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
109		165
110	mkdir $_	166	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		168
113	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
114		170
115	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::"} };
116		187
117	#############################################################################	188	#############################################################################
118		189
119	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
120		191
…		…
156		227
157	The raw value load value from the last tick.	228	The raw value load value from the last tick.
158		229
159	=item %cf::CFG	230	=item %cf::CFG
160		231
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	233	from wherever your confdir points to.
163		234
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		236
166	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
167	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
168	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.
169		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
170	=back	253	=back
171		254
172	=cut	255	=cut
173		256
174	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
175	*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 {
176	my $msg = join "", @_;	264	my $msg = join "", @_;
177		265
178	$msg .= "\n"	266	$msg .= "\n"
179	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
180		268
181	$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;
182		270
183	utf8::encode $msg;
184	LOG llevError, $msg;	271	LOG llevWarn, $msg;
185	};	272	};
186	}	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	};
187		287
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	298	for my $pkg (qw(
199	cf::global cf::attachable	299	cf::global cf::attachable
200	cf::object cf::object::player	300	cf::object cf::object::player
201	cf::client cf::player	301	cf::client cf::player
202	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
203	cf::map cf::party cf::region	304	cf::party cf::region
204	)) {	305	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	307	}
208		308
209	$Event::DIED = sub {	309	$EV::DIED = sub {
210	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
211	};	311	};
212		312
213	#############################################################################	313	#############################################################################
214		314
215	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
237	$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;
238	$d	338	$d
239	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
240	}	340	}
241		341
242	use JSON::XS ();
243
244	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
245		343
246	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
247		345
248	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
249		347
250	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
251		349
252	=cut	350	=cut
253		351
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		353
256	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		370
259	=item cf::lock_wait $string	371	=item cf::lock_wait $string
260		372
261	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
262		374
263	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
264		376
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
268	returned.	380	returned.
269		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
270	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
271	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
272		387
273	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
274		389
275	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.
276		391
277	=cut	392	=cut
278		393
279	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
280		395
281	sub lock_wait($) {	396	sub lock_wait($) {
282	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	398	}
290		399
291	sub lock_acquire($) {	400	sub lock_acquire($) {
292	my ($key) = @_;	401	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	402	}
304		403
305	sub lock_active($) {	404	sub lock_active($) {
306	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	406	}
310		407
311	sub freeze_mainloop {	408	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
313		410
314	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
315	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
316	};	478	}
317	$TICK_WATCHER->stop;	479	};
318	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
319	}	494	}
320		495
321	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
322		497
323	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		503
329	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
330		505
331	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
332		507
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	511	acceptable.
337		512
338	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	518	=cut
344		519
345	sub sync_job(&) {	520	sub sync_job(&) {
346	my ($job) = @_;	521	my ($job) = @_;
347		522
348	if ($Coro::current == $Coro::main) {	523	if (in_main) {
349	my $time = Event::time;	524	my $time = AE::time;
350		525
351	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
353		528
354	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	530
356	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
357		532
358	my $busy = 1;	533	my $busy = 1;
359	my @res;	534	my @res;
360		535
361	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	538	@res = eval { $job->() };
363	warn $@ if $@;	539	error $@ if $@;
364	undef $busy;	540	undef $busy;
365	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
366		542
367	while ($busy) {	543	while ($busy) {
368	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
369	}	548	}
		549	}
370		550
371	$time = Event::time - $time;	551	my $time = AE::time - $time;
372		552
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
377		554
378	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
379	} else {	556	} else {
380	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
381		558
…		…
406	=item fork_call { }, $args	583	=item fork_call { }, $args
407		584
408	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
412		589
413	=cut	590	=cut
414		591
415	sub fork_call(&@) {	592	sub fork_call(&@) {
416	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
417		594
418	# 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,
419	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		598
423	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
424	close $fh2;
425
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	600	reset_signals;
436	local $SIG{__WARN__};	601	&$cb
437	local $SIG{__DIE__};	602	}, @args;
438	eval {
439	close $fh1;
440		603
441	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
443	};
444		606
445	warn $@ if $@;	607	sub objinfo {
446	_exit 0;
447	}	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
448	}	643	}
449		644
450	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
451		646
452	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
455		650
456	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
457	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).
458		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
459	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
460		680
461	our $DB;	681	our $DB;
462		682
463	sub db_init {	683	sub db_init {
464	unless ($DB) {	684	$DB ||= db_table "db";
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {
468	eval {
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}
478	}	685	}
479		686
480	sub db_get($$) {	687	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
482		689
483	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
484	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
485		694
486	$! ? ()	695	$! ? ()
487	: $data	696	: $data
488	}
489	}	697	}
490		698
491	sub db_put($$$) {	699	sub db_put($$$) {
492	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
532	if (1) {	740	if (1) {
533	$md5 =	741	$md5 =
534	join "\x00",	742	join "\x00",
535	$processversion,	743	$processversion,
536	map {	744	map {
537	Coro::cede;	745	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	747	} 0.. $#$src;
540		748
541		749
542	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
549		757
550	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
551	my $data = $process->(\@data);	759	my $data = $process->(\@data);
552	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
553		761
554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
555		763
556	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
557	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
558	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
559		767
…		…
569		777
570	=cut	778	=cut
571		779
572	sub datalog($@) {	780	sub datalog($@) {
573	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
575	}	783	}
576		784
577	=back	785	=back
578		786
579	=cut	787	=cut
580		788
581	#############################################################################	789	#############################################################################
582		790
583	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
584		792
585	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
586	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
587	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
588		796
589	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
590	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
591	Crossfire TRT).	799	Deliantra).
592		800
593	=over 4	801	=over 4
594		802
595	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
596		804
…		…
640	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
641		849
642	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
643	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
644		852
645	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
646	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
647		855
648	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
649		857
650	=over 4	858	=over 4
…		…
774		982
775	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
776	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
777		985
778	} elsif (ref $type) {	986	} elsif (ref $type) {
779	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
780		988
781	} else {	989	} else {
782	shift @arg;	990	shift @arg;
783	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
784	}	992	}
785	}	993	}
786	}	994	}
787		995
788	sub _object_attach {	996	sub _object_attach {
…		…
798	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
799	}	1007	}
800		1008
801	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
802	} else {	1010	} else {
803	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
804	}	1012	}
805		1013
806	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
807	}	1015	}
808		1016
…		…
848	";	1056	";
849	die if $@;	1057	die if $@;
850	}	1058	}
851		1059
852	our $override;	1060	our $override;
853	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
854		1062
855	sub override {	1063	sub override {
856	$override = 1;	1064	$override = 1;
857	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
858	}	1066	}
859		1067
860	sub do_invoke {	1068	sub do_invoke {
861	my $event = shift;	1069	my $event = shift;
862	my $callbacks = shift;	1070	my $callbacks = shift;
863		1071
864	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
865		1073
866	local $override;	1074	local $override;
867		1075
868	for (@$callbacks) {	1076	for (@$callbacks) {
869	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
870		1078
871	if ($@) {	1079	if ($@) {
872	warn "$@";
873	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
874	override;	1081	override;
875	}	1082	}
876		1083
877	return 1 if $override;	1084	return 1 if $override;
878	}	1085	}
879		1086
880	0	1087	0
881	}	1088	}
882		1089
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1091
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1093
887	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
888		1095
889	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
890	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
891	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1099
893	=back	1100	=back
894		1101
895	=cut	1102	=cut
896		1103
897	#############################################################################	1104	#############################################################################
898	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
899		1148
900	sub reattach {	1149	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1151	my ($obj) = @_;
903		1152
		1153	# no longer needed after getting rid of delete_package?
904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
905		1155
906	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
907		1157
908	@$registry = ();	1158	@$registry = ();
909		1159
…		…
914	for (@$attach) {	1164	for (@$attach) {
915	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
916	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
917	}	1167	}
918	} else {	1168	} else {
919	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
920	}	1170	}
921	}	1171	}
922	}	1172	}
923		1173
924	cf::attachable->attach (	1174	cf::attachable->attach (
925	prio => -1000000,	1175	prio => -1000000,
926	on_instantiate => sub {	1176	on_instantiate => sub {
927	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
928		1178
929	$data = from_json $data;	1179	$data = decode_json $data;
930		1180
931	for (@$data) {	1181	for (@$data) {
932	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
933		1183
934	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1200	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
952		1202
953	sync_job {	1203	sync_job {
954	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
957		1209
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
962	close $fh;	1217	aio_close $fh;
963		1218
964	if (@$objs) {	1219	if (@$objs) {
965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
966	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
970	close $fh;	1228	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
972	}	1230	}
973	} else {	1231	} else {
974	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
975	}	1233	}
976		1234
977	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1239	} else {
979	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
980	}	1241	}
981	} else {	1242	} else {
982	aio_unlink $filename;	1243	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
984	}	1245	}
985	}	1246	};
986	}	1247	}
987		1248
988	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
990		1251
…		…
1002	or return;	1263	or return;
1003		1264
1004	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1267	or return;
		1268
1007	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1008	}	1271	}
1009		1272
		1273	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1012	return ($data, $av);	1278	($data, $av)
1013	}	1279	}
1014		1280
1015	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1016		1282
1017	=over 4	1283	=over 4
…		…
1071	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1072		1338
1073	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1074	}	1340	}
1075		1341
		1342	use File::Glob ();
		1343
1076	cf::player->attach (	1344	cf::player->attach (
1077	on_command => sub {	1345	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1079		1347
1080	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1081	or return;	1349	or return;
1082		1350
…		…
1087	cf::override;	1355	cf::override;
1088	},	1356	},
1089	on_extcmd => sub {	1357	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1091		1359
1092	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1361
1094	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1100	} else {	1377	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1379	}
1103		1380
1104	cf::override;	1381	cf::override;
1105	},	1382	},
1106	);	1383	);
1107		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1108	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1109	cf::sync_job {	1401	cf::sync_job {
1110	my %todo;	1402	my %todo;
1111		1403
1112	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1113	next unless -r $path;	1405	next unless -r $path;
…		…
1131		1423
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1426
1135	$ext{source} =	1427	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1137	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1138	. $source	1430	. $source
1139	. "\n};\n1";	1431	. "\n};\n1";
1140		1432
1141	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1142	}	1434	}
1143		1435
		1436	my $pass = 0;
1144	my %done;	1437	my %done;
1145	while (%todo) {	1438	while (%todo) {
1146	my $progress;	1439	my $progress;
1147		1440
		1441	++$pass;
		1442
		1443	ext:
1148	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1446	next ext
1151	unless exists $done{$_};	1447	unless exists $done{$_};
1152	}	1448	}
1153		1449
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1451
1156	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1161	warn $msg;	1459
1162	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163	exit 1;	1461	delete $todo{$k};
1164	}	1462	} else {
1165		1463	$done{$k} = delete $todo{$k};
1166	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1167	}	1469	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1470	}
1173		1471
1174	skip:	1472	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1177	}	1480	}
1178	};	1481	};
1179	}	1482	}
1180		1483
1181	#############################################################################	1484	#############################################################################
1182		1485
1183	=back	1486	=back
1184		1487
1185	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1186		1489
1187	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1188		1491
1189	=cut	1492	=cut
1190		1493
1191	package cf::player;	1494	package cf::player;
1192		1495
1193	use Coro::AIO;	1496	use Coro::AIO;
1194		1497
1195	=head3 cf::player	1498	=head3 cf::player
1196		1499
1197	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1198		1515
1199	=item cf::player::find $login	1516	=item cf::player::find $login
1200		1517
1201	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1202		1519
…		…
1221		1538
1222	sub exists($) {	1539	sub exists($) {
1223	my ($login) = @_;	1540	my ($login) = @_;
1224		1541
1225	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1227	}	1544	}
1228		1545
1229	sub find($) {	1546	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1548	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1559
1243	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1246	}	1569	}
1247	}	1570	}
1248	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1249		1585
1250	sub save($) {	1586	sub save($) {
1251	my ($pl) = @_;	1587	my ($pl) = @_;
1252		1588
1253	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1259		1595
1260	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1262		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1263	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1264	Coro::cede;	1605	cf::cede_to_tick;
1265	}	1606	}
1266		1607
1267	sub new($) {	1608	sub new($) {
1268	my ($login) = @_;	1609	my ($login) = @_;
1269		1610
…		…
1275	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1276		1617
1277	$self	1618	$self
1278	}	1619	}
1279		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1280	=item $pl->quit_character	1631	=item $pl->quit_character
1281		1632
1282	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1284		1635
…		…
1288	my ($pl) = @_;	1639	my ($pl) = @_;
1289		1640
1290	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1291		1642
1292	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1645
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1296	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1298	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1299		1651
1300	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1337	or return [];	1689	or return [];
1338		1690
1339	my @logins;	1691	my @logins;
1340		1692
1341	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1345		1703
1346	utf8::decode $login;	1704	utf8::decode $login;
1347	push @logins, $login;	1705	push @logins, $login;
1348	}	1706	}
1349		1707
1350	\@logins	1708	\@logins
1351	}	1709	}
1352		1710
1353	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1354		1714
1355	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1356	player. May block.	1716	player. May block.
1357		1717
1358	=cut	1718	=cut
…		…
1376	}	1736	}
1377		1737
1378	\@paths	1738	\@paths
1379	}	1739	}
1380		1740
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1742
1383	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1384		1744
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1415		1746
1416	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1417		1748
1418	=cut	1749	=cut
1419		1750
1420	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1422		1753
1423	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1755	}
1426		1756
1427	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1428		1758
1429	Sends an ext event to the client.	1759	Sends an ext event to the client.
1430		1760
1431	=cut	1761	=cut
1432		1762
1433	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1435		1765
1436	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1437	}	1767	}
1438		1768
1439	=head3 cf::region	1769	=head3 cf::region
1440		1770
1441	=over 4	1771	=over 4
…		…
1451	=cut	1781	=cut
1452		1782
1453	sub find_by_path($) {	1783	sub find_by_path($) {
1454	my ($path) = @_;	1784	my ($path) = @_;
1455		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1456	my ($match, $specificity);	1788	my ($match, $specificity);
1457		1789
1458	for my $region (list) {	1790	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1462	}	1794	}
1463	}	1795	}
1464		1796
…		…
1485	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1487		1819
1488	sub generate_random_map {	1820	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1490	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1491	$self->_create_random_map (	1826	$self->_create_random_map (
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1513		1848
1514	sub register {	1849	sub register {
1515	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1516	my $pkg = caller;	1851	my $pkg = caller;
1517		1852
1518	no strict;
1519	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1520		1854
1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1522	}	1856	}
1523		1857
1524	# also paths starting with '/'	1858	# also paths starting with '/'
1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1526		1860
1527	sub thawer_merge {	1861	sub thawer_merge {
1528	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1529		1863
1530	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1535	}	1869	}
1536		1870
1537	sub normalise {	1871	sub normalise {
1538	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1539		1873
1540	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1541		1875
1542	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1543		1877
1544	# map plan:	1878	# map plan:
1545	#	1879	#
…		…
1584	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1585	return $self;	1919	return $self;
1586	}	1920	}
1587	}	1921	}
1588		1922
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1590	()	1924	()
1591	}	1925	}
1592		1926
1593	sub init {	1927	sub init {
1594	my ($self) = @_;	1928	my ($self) = @_;
…		…
1616		1950
1617	# the temporary/swap location	1951	# the temporary/swap location
1618	sub save_path {	1952	sub save_path {
1619	my ($self) = @_;	1953	my ($self) = @_;
1620		1954
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1623	}	1957	}
1624		1958
1625	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1626	sub uniq_path {	1960	sub uniq_path {
1627	my ($self) = @_;	1961	my ($self) = @_;
1628		1962
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	1965	}
1641		1966
1642	sub decay_objects {	1967	sub decay_objects {
1643	my ($self) = @_;	1968	my ($self) = @_;
1644		1969
…		…
1657		1982
1658	sub load_header_from($) {	1983	sub load_header_from($) {
1659	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1660		1985
1661	utf8::encode $path;	1986	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1667		1995
1668	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1669		1997
1670	1	1998	1
1671	}	1999	}
…		…
1723		2051
1724	sub find;	2052	sub find;
1725	sub find {	2053	sub find {
1726	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1727		2055
		2056	cf::cede_to_tick;
		2057
1728	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1729		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2062
1732	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1735	or return;	2065	or return;
1736		2066
1737	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1738		2068
…		…
1740	or return;	2070	or return;
1741		2071
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1745	$map->reset;	2077	$map->reset;
1746	undef $guard;
1747	return find $path;	2078	return find $path;
1748	}	2079	}
1749		2080
1750	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1751	}	2082	}
1752	}	2083	}
1753		2084
1754	sub pre_load { }	2085	sub pre_load { }
1755	sub post_load { }	2086	#sub post_load { } # XS
1756		2087
1757	sub load {	2088	sub load {
1758	my ($self) = @_;	2089	my ($self) = @_;
1759		2090
1760	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1761		2092
1762	my $path = $self->{path};	2093	my $path = $self->{path};
1763		2094
1764	{	2095	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1766		2097
		2098	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		2100
1769	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1770		2102
1771	$self->alloc;	2103	$self->alloc;
1772		2104
1773	$self->pre_load;	2105	$self->pre_load;
1774	Coro::cede;	2106	cf::cede_to_tick;
1775		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1776	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1777	or return;	2111	or return;
1778		2112
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1780	if delete $self->{load_original};	2114	if delete $self->{load_original};
1781		2115
1782	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2117	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2120	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1787	}	2124	}
1788	}	2125	}
1789		2126
1790	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1791	# now do the right thing for maps	2130	# now do the right thing for maps
1792	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2133	unless $self->difficulty;
1795	Coro::cede;	2134	cf::cede_to_tick;
1796		2135
1797	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2137	$self->decay_objects;
1799	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1800	$self->update_buttons;	2139	$self->update_buttons;
1801	Coro::cede;	2140	cf::cede_to_tick;
1802	$self->set_darkness_map;
1803	Coro::cede;
1804	$self->activate;	2141	$self->activate;
1805	}	2142	}
1806		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2148	}
1809		2149
1810	$self->post_load;	2150	$self->post_load;
1811	}	2151	}
1812		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2156	sub customise_for {
1814	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1815		2158
1816	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2160	if $self->per_player;
…		…
1821		2164
1822	$self	2165	$self
1823	}	2166	}
1824		2167
1825	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {	2169	sub load_neighbours {
1827	my ($map) = @_;	2170	my ($map) = @_;
1828		2171
1829	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1830		2173
1831	for (0 .. 3) {	2174	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1833	or next;	2176	or next;
1834	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1835	or next;	2178	or next;
1836	$neigh->load;	2179	$neigh->load;
1837		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2185	}
1841		2186
1842	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1844	or next;	2190	or next;
1845	$neigh->load;	2191	$neigh->load;
1846	}	2192	}
1847	}	2193	}
1848		2194
1849	sub find_sync {	2195	sub find_sync {
1850	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1851		2197
1852	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1853	}	2202	}
1854		2203
1855	sub do_load_sync {	2204	sub do_load_sync {
1856	my ($map) = @_;	2205	my ($map) = @_;
1857		2206
1858	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1859	}	2211	}
1860		2212
1861	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1863		2215
1864	sub find_async {	2216	sub find_async {
1865	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1866		2218
1867	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1868		2220
1869	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2223	}
1872		2224
1873	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1874	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1875	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2232	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2233	$map->load if $v;
		2234	}
1880		2235
1881	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1882	}	2237	}
1883	}	2238	}
1884	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1885	};	2240	};
1886	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1887		2242
1888	()	2243	()
1889	}	2244	}
1890		2245
		2246	# common code, used by both ->save and ->swapout
1891	sub save {	2247	sub _save {
1892	my ($self) = @_;	2248	my ($self) = @_;
1893
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1895		2249
1896	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1897		2251
1898	return unless $self->dirty;	2252	return unless $self->dirty;
1899		2253
…		…
1905	return if $self->{deny_save};	2259	return if $self->{deny_save};
1906		2260
1907	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1908		2262
1909	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1911	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1912		2269
1913	if ($uniq) {	2270	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2273	} else {
1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918	}	2275	}
1919	}	2276	}
1920		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1921	sub swap_out {	2286	sub swap_out {
1922	my ($self) = @_;	2287	my ($self) = @_;
1923		2288
1924	# save first because save cedes
1925	$self->save;
1926
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1929	return if $self->players;	2293	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1931	return if $self->{deny_save};
1932		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1933	$self->clear;	2304	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2305	}
1936		2306
1937	sub reset_at {	2307	sub reset_at {
1938	my ($self) = @_;	2308	my ($self) = @_;
1939		2309
…		…
1957		2327
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2329
1960	return if $self->players;	2330	return if $self->players;
1961		2331
1962	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1963		2333
1964	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1965		2335
1966	# need to save uniques path	2336	# need to save uniques path
1967	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1971	if $uniq;	2341	if $uniq;
1972	}	2342	}
1973		2343
1974	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1975		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2348	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2349
1980	$self->unlink_save;	2350	$self->unlink_save;
1981	$self->destroy;	2351	$self->destroy;
1982	}	2352	}
1983		2353
1984	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1985		2355
1986	sub nuke {	2356	sub nuke {
1987	my ($self) = @_;	2357	my ($self) = @_;
1988		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1989	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1990		2363
1991	$self->unlink_save;	2364	$self->unlink_save;
1992		2365
1993	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1994	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2371
1999	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2000		2374
2001	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2002	}	2376	}
2003		2377
2004	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2046		2420
2047	sub unique_maps() {	2421	sub unique_maps() {
2048	[	2422	[
2049	map {	2423	map {
2050	utf8::decode $_;	2424	utf8::decode $_;
2051	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2052	? normalise $_	2428	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2430	]
2056	}	2431	}
2057		2432
2058	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2059		2464
2060	=back	2465	=back
2061		2466
2062	=head3 cf::object	2467	=head3 cf::object
2063		2468
…		…
2067		2472
2068	=over 4	2473	=over 4
2069		2474
2070	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2071		2476
2072	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2073		2479
2074	=cut	2480	=cut
2075		2481
2076	sub inv_recursive_;	2482	sub inv_recursive_;
2077	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2080		2486
2081	sub inv_recursive {	2487	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2083	}	2489	}
2084		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2085	package cf;	2519	package cf;
2086		2520
2087	=back	2521	=back
2088		2522
2089	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2098		2532
2099	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2100		2548
2101	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2550	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2111		2559
2112	} else {	2560	} else {
2113	my $pl = $self->contr;	2561	my $pl = $self->contr;
2114		2562
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2566
2124	} else {	2567	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2570	}
2128	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2129	}	2582	}
2130		2583
2131	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2132		2585
2133	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2146		2599
2147	=item $player_object->enter_link	2600	=item $player_object->enter_link
2148		2601
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2603
2151	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2153		2608
2154	Will never block.	2609	Will never block.
2155		2610
2156	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2157		2612
…		…
2177	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2178	my ($self) = @_;	2633	my ($self) = @_;
2179		2634
2180	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2181		2636
		2637	++$self->{_link_recursion};
		2638
2182	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2183		2640
2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2186		2643
2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2188	}	2645	}
2189		2646
2190	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2191	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2192		2649
…		…
2209	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2211		2668
2212	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2215		2672
2216	$map->load;	2673	$map->load;
2217	$map->load_diag;	2674	$map->load_neighbours;
2218		2675
2219	return unless $self->contr->active;	2676	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2677
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2224	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2225		2685
		2686	}
		2687
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2227		2689
2228	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
2232		2698
2233	=cut	2699	=cut
2234		2700
2235	our $GOTOGEN;	2701	our $GOTOGEN;
2236		2702
2237	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
2239		2711
2240	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2714
2243	$self->enter_link;	2715	$self->enter_link;
2244		2716
2245	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2246	my $map = eval {	2739	my $map = eval {
2247	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2248		2741
2249	if ($map) {	2742	if ($map) {
2250	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2252	} else {	2745	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2747	}
2255		2748
2256	$map	2749	$map
2257	};	2750	};
2258		2751
…		…
2263		2756
2264	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2267	}	2760	}
		2761
		2762	$done->($self) if $done;
2268	})->prio (1);	2763	})->prio (1);
2269	}	2764	}
2270		2765
2271	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2272		2767
…		…
2292	}	2787	}
2293		2788
2294	sub prepare_random_map {	2789	sub prepare_random_map {
2295	my ($exit) = @_;	2790	my ($exit) = @_;
2296		2791
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2794	# that depends on the exit object
2302		2795
2303	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2798	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2310	}	2805	}
2311		2806
2312	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2313		2808
2314	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2317		2812
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2815	undef $fh;
2321	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2322		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2325	}	2824	}
2326	}	2825	}
2327		2826
2328	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2330		2829
2331	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2332		2831
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2832	$self->enter_link;
2345		2833
2346	(async {	2834	(async {
2347	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2348	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2349	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2350		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2351	1;	2858	1
2352	}) {	2859	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2357		2864
2358	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2359	$self->leave_link;	2866	$self->leave_link;
2360	}	2867	}
2361	})->prio (1);	2868	})->prio (1);
2362	}	2869	}
2363		2870
…		…
2377		2884
2378	utf8::encode $text;	2885	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2887	}
2381		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2915
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2917	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2388		2920
2389	=cut	2921	=cut
2390		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2391	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2393		3039
2394	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2395		3042
2396	if ($self->can_msg) {	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		3044
2409	if ($color >= 0) {	3045	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	3046	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	3047	$channel = $CHANNEL{$channel};
2412	} else {	3048
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3049	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
2415	}	3057	}
2416	}
2417	}
2418	}
2419		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2420	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2421		3077
2422	Sends an ext event to the client.	3078	Sends an ext event to the client.
2423		3079
2424	=cut	3080	=cut
2425		3081
2426	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2428		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2431	}	3109	}
2432		3110
2433	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2434		3112
2435	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
…		…
2458		3136
2459	1	3137	1
2460	}	3138	}
2461		3139
2462	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2463	on_reply => sub {	3146	on_reply => sub {
2464	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2465		3148
2466	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2467	# get handled first	3150	# get handled first
…		…
2482	}	3165	}
2483	},	3166	},
2484	on_exticmd => sub {	3167	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3168	my ($ns, $buf) = @_;
2486		3169
2487	my $msg = eval { from_json $buf };	3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3171
2489	if (ref $msg) {	3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3180	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3181	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2496	} else {	3187	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3189	}
2499		3190
2500	cf::override;	3191	cf::override;
2501	},	3192	},
2502	);	3193	);
…		…
2522		3213
2523	$coro	3214	$coro
2524	}	3215	}
2525		3216
2526	cf::client->attach (	3217	cf::client->attach (
2527	on_destroy => sub {	3218	on_client_destroy => sub {
2528	my ($ns) = @_;	3219	my ($ns) = @_;
2529		3220
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3222	},
2532	);	3223	);
…		…
2547	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2549		3240
2550	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2551		3242
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2553		3248
2554	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2555		3250
2556	=pod	3251	=pod
2557		3252
2558	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2559		3254
2560	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2561	cf::object::player player	3260	cf::object::player
2562	cf::player peaceful	3261	player
2563	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2564		3268
2565	=cut	3269	=cut
2566		3270
2567	for (	3271	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2572	) {	3278	) {
2573	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2576	for @funs;	3281	for @funs;
2577	}	3282	}
2578		3283
…		…
2593		3298
2594	my $qcode = $code;	3299	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2597		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2598	local $_;	3306	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3307
2601	my $eval =	3308	my $eval =
2602	"do {\n"	3309	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3312	. $code
2606	. "\n}"	3313	. "\n}"
2607	;	3314	;
2608		3315
		3316	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2612		3325
2613	if ($@) {	3326	if ($@) {
2614	warn "$@";	3327	warn "$@",
2615	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2616	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2617	}	3330	}
2618		3331
2619	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2620	}	3333	}
2621		3334
…		…
2635	=cut	3348	=cut
2636		3349
2637	sub register_script_function {	3350	sub register_script_function {
2638	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2639		3352
2640	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2642	}	3355	}
2643		3356
2644	=back	3357	=back
2645		3358
2646	=cut	3359	=cut
…		…
2649	# the server's init and main functions	3362	# the server's init and main functions
2650		3363
2651	sub load_facedata($) {	3364	sub load_facedata($) {
2652	my ($path) = @_;	3365	my ($path) = @_;
2653		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2654	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2655		3374
2656	my $facedata;	3375	my $facedata;
2657	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2658	or die "$path: $!";	3377	or die "$path: $!";
2659		3378
2660	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2661		3380
2662	$facedata->{version} == 2	3381	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2665	{	3393	{
2666	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2667		3395
2668	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673	Coro::cede;	3403
		3404	cf::cede_to_tick;
2674	}	3405	}
2675		3406
2676	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2678	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2679	or next;	3411	or next;
		3412
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3416	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3418	}
2685	Coro::cede;	3419
		3420	cf::cede_to_tick;
2686	}	3421	}
2687	}	3422	}
2688		3423
2689	{	3424	{
2690	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2691		3426
2692	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3429	cf::cede_to_tick;
2695	}	3430	}
2696		3431
2697	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2698	}	3433	}
2699		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2700	1	3454	1
2701	}	3455	}
2702		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2703	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2704	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2706	}	3487	}
2707		3488
2708	sub reload_facedata {	3489	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2718	sub reload_treasures {	3499	sub reload_treasures {
2719	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2720	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2721	}	3502	}
2722		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2723	sub reload_resources {	3527	sub reload_resources {
2724	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2725		3529
		3530	reload_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
2726	reload_regions;	3535	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3536	reload_treasures;
2731		3537
2732	warn "finished reloading resource files\n";	3538	trace "finished reloading resource files\n";
2733	}	3539	}
2734		3540
2735	sub init {	3541	sub reload_config {
2736	reload_resources;	3542	trace "reloading config file...\n";
2737	}
2738		3543
2739	sub cfg_load {
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2741	or return;	3545	or return;
2742		3546
2743	local $/;	3547	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2745		3549
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2747		3551
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2750		3554
2751	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2753	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2754	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2755	};	3559	};
2756	warn $@ if $@;	3560	warn $@ if $@;
2757	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2758	}	3592	}
2759		3593
2760	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2761	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3607	(async {
2765	Event::one_event;	3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3610	})->prio (Coro::PRIO_MAX);
2767	};	3611	};
2768		3612
2769	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
		3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
2770	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2771	load_extensions;	3636	load_extensions;
2772		3637
2773	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2775	}	3656	}
2776		3657
2777	#############################################################################	3658	#############################################################################
2778	# initialisation and cleanup	3659	# initialisation and cleanup
2779		3660
2780	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2781	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2790	},
2791	);	3667	};
2792	}	3668	}
2793	}	3669	}
2794		3670
2795	sub write_runtime {	3671	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3672	my $t0 = AE::time;
2797		3673
2798	# first touch the runtime file to show we are still running:	3674	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3675	# the fsync below can take a very very long time.
2800		3676
2801	IO::AIO::aio_utime $runtime, undef, undef;	3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3678
2803	my $guard = cf::lock_acquire "write_runtime";	3679	my $guard = cf::lock_acquire "write_runtime";
2804		3680
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3682	or return;
2807		3683
2808	my $value = $cf::RUNTIME + 90 + 10;	3684	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3685	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3686	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3696	aio_utime $fh, undef, undef;
2821		3697
2822	close $fh	3698	close $fh
2823	or return;	3699	or return;
2824		3700
2825	aio_rename "$runtime~", $runtime	3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3702	and return;
2827		3703
2828	warn "runtime file written.\n";	3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829		3705
2830	1	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2831	}	3757	}
2832		3758
2833	sub emergency_save() {	3759	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2835		3761
2836	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2837		3768
2838	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2839	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3780	$pl->save;
2847	}	3781	}
2848	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2849		3783
2850	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	3789	$map->valid or next;
2854	$map->save;	3790	$map->save;
2855	}	3791	}
2856	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2857		3793
2858	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2861	};	3822	};
2862		3823
2863	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2864	}	3825	}
2865		3826
2866	sub post_cleanup {	3827	sub post_cleanup {
2867	my ($make_core) = @_;	3828	my ($make_core) = @_;
2868		3829
		3830	IO::AIO::flush;
		3831
2869	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2871	}	3862	}
2872		3863
2873	sub do_reload_perl() {	3864	sub do_reload_perl() {
2874	# can/must only be called in main	3865	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2876	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2877	return;	3868	return;
2878	}	3869	}
2879		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2880	warn "reloading...";	3877	info "reloading...";
2881		3878
2882	warn "entering sync_job";	3879	trace "entering sync_job";
2883		3880
2884	cf::sync_job {	3881	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark
2886	cf::emergency_save;	3882	#cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark
2888		3883
2889	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;
2891
2892	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();	3886	%EXT_CORO = ();
2913		3887
2914	warn "removing commands";	3888	trace "removing commands";
2915	%COMMAND = ();	3889	%COMMAND = ();
2916		3890
2917	warn "removing ext/exti commands";	3891	trace "removing ext/exti commands";
2918	%EXTCMD = ();	3892	%EXTCMD = ();
2919	%EXTICMD = ();	3893	%EXTICMD = ();
2920		3894
2921	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2924		3898
2925	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2926	eval {	3900	eval {
2927	$cb->($pkg);	3901	$cb->($pkg);
2928	1	3902	1
2929	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2930	}	3908	}
2931		3909
2932	warn "... nuking $pkg";
2933	Symbol::delete_package $pkg;
2934	}
2935
2936	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2937	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		3913
2940	warn "... unloading $k";	3914	trace "... unloading $k";
2941	delete $INC{$k};	3915	delete $INC{$k};
2942		3916
2943	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2945		3919
2946	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2947	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2948	}	3925	}
2949		3926
2950	Symbol::delete_package $k;
2951	}
2952
2953	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		3930
2957	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		3934
2961	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2962	# and global variables created in xs	3936	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2964		3938
2965	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2966		3940
2967	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2968	require cf;	3942	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2970		3944
2971	warn "loading config and database again";	3945	trace "loading config and database again";
2972	cf::cfg_load;	3946	cf::reload_config;
2973		3947
2974	warn "loading extensions";	3948	trace "loading extensions";
2975	cf::load_extensions;	3949	cf::load_extensions;
2976		3950
		3951	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2980	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2983		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2984	warn "leaving sync_job";	3963	trace "leaving sync_job";
2985		3964
2986	1	3965	1
2987	} or do {	3966	} or do {
2988	warn $@;	3967	error $@;
2989	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2990	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
2991	};	3973	}
2992		3974
2993	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
2994	};	3977	};
2995		3978
2996	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
2997		3980
2998	sub reload_perl() {	3981	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
3001		3984
3002	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	3987
3005	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	3989	do_reload_perl;
3008	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
3009	},	3991	};
3010	);	3992	};
3011	}	3993	}
3012		3994
3013	register_command "reload" => sub {	3995	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
3015		3997
3016	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	4002	reload_perl;
		4003	};
3019	}	4004	}
3020	};	4005	};
3021		4006
3022	unshift @INC, $LIBDIR;	4007	#############################################################################
3023		4008
3024	my $bug_warning = 0;	4009	my $bug_warning = 0;
3025		4010
3026	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
3028		4013
3029	sub wait_for_tick {	4014	sub wait_for_tick {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3032		4016
3033	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	4019	$signal->wait;
3036	}	4020	}
3037		4021
3038	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		4024
3042	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	4027	$signal->wait;
3045	}	4028	}
3046		4029
3047	my $min = 1e6;#d#	4030	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
3059	return;	4034	return;
3060	}	4035	}
3061		4036
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
3065		4038
3066	0 && sync_job {#d#	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3067	for(1..10) {
3068	my $t = Event::time;
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3070	or die;
3071		4040
3072	$map->width (50);	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3073	$map->height (50);	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3074	$map->alloc;	4043	Coro::async_pool {
3075	$map->_load_objects ("/tmp/x.map", 1);	4044	$Coro::current->{desc} = "runtime saver";
3076	my $t = Event::time - $t;	4045	write_runtime_sync
3077		4046	or error "ERROR: unable to write runtime file: $!";
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	4047	};
		4048	}
3088		4049
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	4051	$sig->send;
3105	}	4052	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	4054	$sig->send;
3108	}	4055	}
3109		4056
3110	$NOW = Event::time;	4057	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		4059
3121	_post_tick;	4060	if (0) {
3122		4061	if ($NEXT_TICK) {
3123		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
3124	},	4066	}
3125	);	4067	}
3126		4068
3127	{	4069	{
3128	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	4071
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
3138		4073	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		4075
3154	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		4083
3157	cf::sync_job {	4084	cf::sync_job {
3158	eval {	4085	eval {
3159	BDB::db_env_open	4086	BDB::db_env_open
3160	$DB_ENV,	4087	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4091	0666;
3165		4092
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4094	};
3171		4095
3172	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4097	};
3174	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
3175	}	4109	}
3176		4110
3177	{	4111	{
		4112	# configure IO::AIO
		4113
3178	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4117	}
3191		4118
3192	my $_log_backtrace;	4119	my $_log_backtrace;
3193		4120
3194	sub _log_backtrace {	4121	sub _log_backtrace {
…		…
3197	$msg =~ s/\n//;	4124	$msg =~ s/\n//;
3198		4125
3199	# limit the # of concurrent backtraces	4126	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4127	if ($_log_backtrace < 2) {
3201	++$_log_backtrace;	4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
3202	async {	4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
3203	my @bt = fork_call {	4133	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4134	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4137	or die "addr2line: $!";
…		…
3215	}	4145	}
3216		4146
3217	@funcs	4147	@funcs
3218	};	4148	};
3219		4149
3220	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4152	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4153	--$_log_backtrace;
3223	};	4154	};
3224	} else {	4155	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4156	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4157	LOG llevInfo, "[ABT] [suppressed]\n";
3227	}	4158	}
3228	}	4159	}
3229		4160
3230	# load additional modules	4161	# load additional modules
3231	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
3232		4164
3233	END { cf::emergency_save }	4165	END { cf::emergency_save }
3234		4166
3235	1	4167	1
3236		4168

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