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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.534 by root, Thu Apr 29 08:13:51 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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 = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	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::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	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
166	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
167	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.
168		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
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$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;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	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	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
211		312
212	#############################################################################	313	#############################################################################
213		314
214	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	338	$d
238	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
239	}	340	}
240		341
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[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	}
		370
251	=item cf::lock_wait $string	371	=item cf::lock_wait $string
252		372
253	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
254		374
255	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
256		376
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
260	returned.	380	returned.
261		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
262	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
263	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
264		387
265	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
266		389
267	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.
268		391
269	=cut	392	=cut
270		393
271	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
272		395
273	sub lock_wait($) {	396	sub lock_wait($) {
274	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	398	}
282		399
283	sub lock_acquire($) {	400	sub lock_acquire($) {
284	my ($key) = @_;	401	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	402	}
296		403
297	sub lock_active($) {	404	sub lock_active($) {
298	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	406	}
302		407
303	sub freeze_mainloop {	408	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
305		410
306	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
308	};	478	}
309	$TICK_WATCHER->stop;	479	};
310	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
311	}	494	}
312		495
313	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
314		497
315	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		503
321	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
322		505
323	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
324		507
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	511	acceptable.
329		512
330	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	518	=cut
336		519
337	sub sync_job(&) {	520	sub sync_job(&) {
338	my ($job) = @_;	521	my ($job) = @_;
339		522
340	if ($Coro::current == $Coro::main) {	523	if (in_main) {
341	my $time = Event::time;	524	my $time = AE::time;
342		525
343	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
345		528
346	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	530
348	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
349		532
350	my $busy = 1;	533	my $busy = 1;
351	my @res;	534	my @res;
352		535
353	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	538	@res = eval { $job->() };
355	warn $@ if $@;	539	error $@ if $@;
356	undef $busy;	540	undef $busy;
357	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
358		542
359	while ($busy) {	543	while ($busy) {
360	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
361	}	548	}
		549	}
362		550
363	$time = Event::time - $time;	551	my $time = AE::time - $time;
364		552
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
369		554
370	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
371	} else {	556	} else {
372	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
373		558
…		…
398	=item fork_call { }, $args	583	=item fork_call { }, $args
399		584
400	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
404		589
405	=cut	590	=cut
406		591
407	sub fork_call(&@) {	592	sub fork_call(&@) {
408	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
409		594
410	# 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,
411	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		598
415	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	600	reset_signals;
428	local $SIG{__WARN__};	601	&$cb
429	local $SIG{__DIE__};	602	}, @args;
430	eval {
431	close $fh1;
432		603
433	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
435	};
436		606
437	warn $@ if $@;	607	sub objinfo {
438	_exit 0;
439	}	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
440	}	643	}
441		644
442	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
443		646
444	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
447		650
448	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
449	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).
450		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
451	=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	}
452		680
453	our $DB;	681	our $DB;
454		682
455	sub db_init {	683	sub db_init {
456	unless ($DB) {	684	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	685	}
471		686
472	sub db_get($$) {	687	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
474		689
475	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
476	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
477		694
478	$! ? ()	695	$! ? ()
479	: $data	696	: $data
480	}
481	}	697	}
482		698
483	sub db_put($$$) {	699	sub db_put($$$) {
484	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	740	if (1) {
525	$md5 =	741	$md5 =
526	join "\x00",	742	join "\x00",
527	$processversion,	743	$processversion,
528	map {	744	map {
529	Coro::cede;	745	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	747	} 0.. $#$src;
532		748
533		749
534	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		757
542	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	759	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
545		761
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		763
548	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
551		767
…		…
561		777
562	=cut	778	=cut
563		779
564	sub datalog($@) {	780	sub datalog($@) {
565	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	783	}
568		784
569	=back	785	=back
570		786
571	=cut	787	=cut
572		788
573	#############################################################################	789	#############################################################################
574		790
575	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
576		792
577	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
578	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")
579	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
580		796
581	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>
582	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
583	Crossfire TRT).	799	Deliantra).
584		800
585	=over 4	801	=over 4
586		802
587	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
588		804
…		…
632	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
633		849
634	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
635	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
636		852
637	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		855
640	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
641		857
642	=over 4	858	=over 4
…		…
766		982
767	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		985
770	} elsif (ref $type) {	986	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
772		988
773	} else {	989	} else {
774	shift @arg;	990	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
776	}	992	}
777	}	993	}
778	}	994	}
779		995
780	sub _object_attach {	996	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
791	}	1007	}
792		1008
793	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
794	} else {	1010	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1012	}
797		1013
798	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
799	}	1015	}
800		1016
…		…
840	";	1056	";
841	die if $@;	1057	die if $@;
842	}	1058	}
843		1059
844	our $override;	1060	our $override;
845	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?
846		1062
847	sub override {	1063	sub override {
848	$override = 1;	1064	$override = 1;
849	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
850	}	1066	}
851		1067
852	sub do_invoke {	1068	sub do_invoke {
853	my $event = shift;	1069	my $event = shift;
854	my $callbacks = shift;	1070	my $callbacks = shift;
855		1071
856	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
857		1073
858	local $override;	1074	local $override;
859		1075
860	for (@$callbacks) {	1076	for (@$callbacks) {
861	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
862		1078
863	if ($@) {	1079	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1081	override;
867	}	1082	}
868		1083
869	return 1 if $override;	1084	return 1 if $override;
870	}	1085	}
871		1086
872	0	1087	0
873	}	1088	}
874		1089
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1091
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1093
879	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
880		1095
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1099
885	=back	1100	=back
886		1101
887	=cut	1102	=cut
888		1103
889	#############################################################################	1104	#############################################################################
890	# 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	}
891		1148
892	sub reattach {	1149	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1151	my ($obj) = @_;
895		1152
		1153	# no longer needed after getting rid of delete_package?
896	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
897		1155
898	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
899		1157
900	@$registry = ();	1158	@$registry = ();
901		1159
…		…
906	for (@$attach) {	1164	for (@$attach) {
907	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
909	}	1167	}
910	} else {	1168	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1170	}
913	}	1171	}
914	}	1172	}
915		1173
916	cf::attachable->attach (	1174	cf::attachable->attach (
917	prio => -1000000,	1175	prio => -1000000,
918	on_instantiate => sub {	1176	on_instantiate => sub {
919	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
920		1178
921	$data = from_json $data;	1179	$data = decode_json $data;
922		1180
923	for (@$data) {	1181	for (@$data) {
924	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
925		1183
926	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1200	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
944		1202
945	sync_job {	1203	sync_job {
946	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
949		1209
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1217	aio_close $fh;
955		1218
956	if (@$objs) {	1219	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1228	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
964	}	1230	}
965	} else {	1231	} else {
966	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
967	}	1233	}
968		1234
969	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1239	} else {
971	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
972	}	1241	}
973	} else {	1242	} else {
974	aio_unlink $filename;	1243	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
976	}	1245	}
977	}	1246	};
978	}	1247	}
979		1248
980	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
982		1251
…		…
994	or return;	1263	or return;
995		1264
996	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
998	or return;	1267	or return;
		1268
999	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1000	}	1271	}
1001		1272
		1273	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1004	return ($data, $av);	1278	($data, $av)
1005	}	1279	}
1006		1280
1007	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1008		1282
1009	=over 4	1283	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1304	}
1031		1305
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1307
1034	Register a callback fro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
1035		1313
1036	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
1037	called.	1315	called.
1038		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
1039	=cut	1328	=cut
1040		1329
1041	sub register_extcmd {	1330	sub register_extcmd {
1042	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
1043		1332
1044	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
1045	}	1334	}
1046		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
1047	cf::player->attach (	1344	cf::player->attach (
1048	on_command => sub {	1345	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1050		1347
1051	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1052	or return;	1349	or return;
1053		1350
…		…
1058	cf::override;	1355	cf::override;
1059	},	1356	},
1060	on_extcmd => sub {	1357	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1062		1359
1063	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1361
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1071	} else {	1377	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1379	}
1074		1380
1075	cf::override;	1381	cf::override;
1076	},	1382	},
1077	);	1383	);
1078		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
1079	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1080	cf::sync_job {	1401	cf::sync_job {
1081	my %todo;	1402	my %todo;
1082		1403
1083	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1405	next unless -r $path;
…		…
1102		1423
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1426
1106	$ext{source} =	1427	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1109	. $source	1430	. $source
1110	. "\n};\n1";	1431	. "\n};\n1";
1111		1432
1112	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1113	}	1434	}
1114		1435
		1436	my $pass = 0;
1115	my %done;	1437	my %done;
1116	while (%todo) {	1438	while (%todo) {
1117	my $progress;	1439	my $progress;
1118		1440
		1441	++$pass;
		1442
		1443	ext:
1119	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1446	next ext
1122	unless exists $done{$_};	1447	unless exists $done{$_};
1123	}	1448	}
1124		1449
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1451
1127	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1132	warn $msg;	1459
1133	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1461	delete $todo{$k};
1135	}	1462	} else {
1136		1463	$done{$k} = delete $todo{$k};
1137	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1138	}	1469	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1470	}
1144		1471
1145	skip:	1472	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1480	}
1149	};	1481	};
1150	}	1482	}
1151		1483
1152	#############################################################################	1484	#############################################################################
1153		1485
1154	=back	1486	=back
1155		1487
1156	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1157		1489
1158	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1159		1491
1160	=cut	1492	=cut
1161		1493
1162	package cf::player;	1494	package cf::player;
1163		1495
1164	use Coro::AIO;	1496	use Coro::AIO;
1165		1497
1166	=head3 cf::player	1498	=head3 cf::player
1167		1499
1168	=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	}
1169		1515
1170	=item cf::player::find $login	1516	=item cf::player::find $login
1171		1517
1172	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1173		1519
…		…
1192		1538
1193	sub exists($) {	1539	sub exists($) {
1194	my ($login) = @_;	1540	my ($login) = @_;
1195		1541
1196	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1198	}	1544	}
1199		1545
1200	sub find($) {	1546	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1548	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1559
1214	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1217	}	1569	}
1218	}	1570	}
1219	}	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	);
1220		1585
1221	sub save($) {	1586	sub save($) {
1222	my ($pl) = @_;	1587	my ($pl) = @_;
1223		1588
1224	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1230		1595
1231	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1235	Coro::cede;	1605	cf::cede_to_tick;
1236	}	1606	}
1237		1607
1238	sub new($) {	1608	sub new($) {
1239	my ($login) = @_;	1609	my ($login) = @_;
1240		1610
…		…
1246	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1247		1617
1248	$self	1618	$self
1249	}	1619	}
1250		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
1251	=item $pl->quit_character	1631	=item $pl->quit_character
1252		1632
1253	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
1254	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1255		1635
…		…
1259	my ($pl) = @_;	1639	my ($pl) = @_;
1260		1640
1261	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1262		1642
1263	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1264	$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
1265		1645
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1270		1651
1271	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1689	or return [];
1309		1690
1310	my @logins;	1691	my @logins;
1311		1692
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1316		1703
1317	utf8::decode $login;	1704	utf8::decode $login;
1318	push @logins, $login;	1705	push @logins, $login;
1319	}	1706	}
1320		1707
1321	\@logins	1708	\@logins
1322	}	1709	}
1323		1710
1324	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1325		1714
1326	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1327	player. May block.	1716	player. May block.
1328		1717
1329	=cut	1718	=cut
…		…
1347	}	1736	}
1348		1737
1349	\@paths	1738	\@paths
1350	}	1739	}
1351		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1352	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1353		1746
1354	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1355		1748
1356	=cut	1749	=cut
1357		1750
1358	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1360		1753
1361	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1755	}
1365		1756
1366	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1367		1758
1368	Sends an ext event to the client.	1759	Sends an ext event to the client.
1369		1760
1370	=cut	1761	=cut
1371		1762
1372	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1374		1765
1375	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1376	}	1767	}
1377		1768
1378	=head3 cf::region	1769	=head3 cf::region
1379		1770
1380	=over 4	1771	=over 4
…		…
1390	=cut	1781	=cut
1391		1782
1392	sub find_by_path($) {	1783	sub find_by_path($) {
1393	my ($path) = @_;	1784	my ($path) = @_;
1394		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1395	my ($match, $specificity);	1788	my ($match, $specificity);
1396		1789
1397	for my $region (list) {	1790	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1401	}	1794	}
1402	}	1795	}
1403		1796
…		…
1424	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1426		1819
1427	sub generate_random_map {	1820	sub generate_random_map {
1428	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
1429	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1826	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1459		1855
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1857	}
1462		1858
1463	# also paths starting with '/'	1859	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1861
1466	sub thawer_merge {	1862	sub thawer_merge {
1467	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1468		1864
1469	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1523	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1524	return $self;	1920	return $self;
1525	}	1921	}
1526	}	1922	}
1527		1923
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1925	()
1530	}	1926	}
1531		1927
1532	sub init {	1928	sub init {
1533	my ($self) = @_;	1929	my ($self) = @_;
…		…
1555		1951
1556	# the temporary/swap location	1952	# the temporary/swap location
1557	sub save_path {	1953	sub save_path {
1558	my ($self) = @_;	1954	my ($self) = @_;
1559		1955
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1562	}	1958	}
1563		1959
1564	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1565	sub uniq_path {	1961	sub uniq_path {
1566	my ($self) = @_;	1962	my ($self) = @_;
1567		1963
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1966	}
1580		1967
1581	sub decay_objects {	1968	sub decay_objects {
1582	my ($self) = @_;	1969	my ($self) = @_;
1583		1970
…		…
1596		1983
1597	sub load_header_from($) {	1984	sub load_header_from($) {
1598	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1599		1986
1600	utf8::encode $path;	1987	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1606		1996
1607	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1608		1998
1609	1	1999	1
1610	}	2000	}
…		…
1664	sub find {	2054	sub find {
1665	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1666		2056
1667	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1668		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2061
1671	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1674	or return;	2064	or return;
1675		2065
1676	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1677		2067
…		…
1679	or return;	2069	or return;
1680		2070
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1684	$map->reset;	2076	$map->reset;
1685	undef $guard;
1686	return find $path;	2077	return find $path;
1687	}	2078	}
1688		2079
1689	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1690	}	2081	}
1691	}	2082	}
1692		2083
1693	sub pre_load { }	2084	sub pre_load { }
1694	sub post_load { }	2085	#sub post_load { } # XS
1695		2086
1696	sub load {	2087	sub load {
1697	my ($self) = @_;	2088	my ($self) = @_;
1698		2089
1699	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1700		2091
1701	my $path = $self->{path};	2092	my $path = $self->{path};
1702		2093
1703	{	2094	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1705		2096
		2097	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2099
1708	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1709		2101
1710	$self->alloc;	2102	$self->alloc;
1711		2103
1712	$self->pre_load;	2104	$self->pre_load;
1713	Coro::cede;	2105	cf::cede_to_tick;
1714		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1716	or return;	2110	or return;
1717		2111
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1719	if delete $self->{load_original};	2113	if delete $self->{load_original};
1720		2114
1721	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2116	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2119	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1726	}	2123	}
1727	}	2124	}
1728		2125
1729	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1730	# now do the right thing for maps	2129	# now do the right thing for maps
1731	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2132	unless $self->difficulty;
1734	Coro::cede;	2133	cf::cede_to_tick;
1735		2134
1736	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2136	$self->decay_objects;
1738	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1739	$self->update_buttons;	2138	$self->update_buttons;
1740	Coro::cede;	2139	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2140	$self->activate;
1744	}	2141	}
1745		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2147	}
1748		2148
1749	$self->post_load;	2149	$self->post_load;
1750	}	2150	}
1751		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2155	sub customise_for {
1753	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1754		2157
1755	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2159	if $self->per_player;
…		…
1760		2163
1761	$self	2164	$self
1762	}	2165	}
1763		2166
1764	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2168	sub load_neighbours {
1766	my ($map) = @_;	2169	my ($map) = @_;
1767		2170
1768	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1769		2172
1770	for (0 .. 3) {	2173	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1772	or next;	2175	or next;
1773	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1774	or next;	2177	or next;
1775	$neigh->load;	2178	$neigh->load;
1776		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2184	}
1780		2185
1781	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1783	or next;	2189	or next;
1784	$neigh->load;	2190	$neigh->load;
1785	}	2191	}
1786	}	2192	}
1787		2193
1788	sub find_sync {	2194	sub find_sync {
1789	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1790		2196
1791	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1792	}	2201	}
1793		2202
1794	sub do_load_sync {	2203	sub do_load_sync {
1795	my ($map) = @_;	2204	my ($map) = @_;
1796		2205
1797	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1798	}	2210	}
1799		2211
1800	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1802		2214
1803	sub find_async {	2215	sub find_async {
1804	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1805		2217
1806	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1807		2219
1808	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2222	}
1811		2223
1812	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1813	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1814	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2231	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2232	$map->load if $v;
		2233	}
1819		2234
1820	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1821	}	2236	}
1822	}	2237	}
1823	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1824	};	2239	};
1825	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1826		2241
1827	()	2242	()
1828	}	2243	}
1829		2244
		2245	# common code, used by both ->save and ->swapout
1830	sub save {	2246	sub _save {
1831	my ($self) = @_;	2247	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2248
1835	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1836		2250
1837	return unless $self->dirty;	2251	return unless $self->dirty;
1838		2252
…		…
1844	return if $self->{deny_save};	2258	return if $self->{deny_save};
1845		2259
1846	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1847		2261
1848	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1850	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1851		2268
1852	if ($uniq) {	2269	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2272	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2274	}
1858	}	2275	}
1859		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1860	sub swap_out {	2285	sub swap_out {
1861	my ($self) = @_;	2286	my ($self) = @_;
1862		2287
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1868	return if $self->players;	2292	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1872	$self->clear;	2303	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2304	}
1875		2305
1876	sub reset_at {	2306	sub reset_at {
1877	my ($self) = @_;	2307	my ($self) = @_;
1878		2308
…		…
1896		2326
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2328
1899	return if $self->players;	2329	return if $self->players;
1900		2330
1901	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1902		2332
1903	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1904		2334
1905	# need to save uniques path	2335	# need to save uniques path
1906	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2340	if $uniq;
1911	}	2341	}
1912		2342
1913	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1914		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2347	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2348
1919	$self->unlink_save;	2349	$self->unlink_save;
1920	$self->destroy;	2350	$self->destroy;
1921	}	2351	}
1922		2352
1923	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1924		2354
1925	sub nuke {	2355	sub nuke {
1926	my ($self) = @_;	2356	my ($self) = @_;
1927		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1928	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1929		2362
1930	$self->unlink_save;	2363	$self->unlink_save;
1931		2364
1932	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2370
1938	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1939		2373
1940	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
1941	}	2375	}
1942		2376
1943	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
1985		2419
1986	sub unique_maps() {	2420	sub unique_maps() {
1987	[	2421	[
1988	map {	2422	map {
1989	utf8::decode $_;	2423	utf8::decode $_;
1990	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
1991	? normalise $_	2427	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2429	]
1995	}	2430	}
1996		2431
1997	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1998		2463
1999	=back	2464	=back
2000		2465
2001	=head3 cf::object	2466	=head3 cf::object
2002		2467
…		…
2006		2471
2007	=over 4	2472	=over 4
2008		2473
2009	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2010		2475
2011	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2012		2478
2013	=cut	2479	=cut
2014		2480
2015	sub inv_recursive_;	2481	sub inv_recursive_;
2016	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2019		2485
2020	sub inv_recursive {	2486	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2022	}	2488	}
2023		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2024	package cf;	2518	package cf;
2025		2519
2026	=back	2520	=back
2027		2521
2028	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2037		2531
2038	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2039		2547
2040	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2549	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2045		2553
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2555
2048	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
2050	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
2053	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
2054	}	2581	}
2055		2582
2056	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2057		2584
2058	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2071		2598
2072	=item $player_object->enter_link	2599	=item $player_object->enter_link
2073		2600
2074	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2075		2602
2076	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
2077	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2078		2607
2079	Will never block.	2608	Will never block.
2080		2609
2081	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2082		2611
…		…
2102	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2103	my ($self) = @_;	2632	my ($self) = @_;
2104		2633
2105	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2106		2635
		2636	++$self->{_link_recursion};
		2637
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2639
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2111		2642
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2644	}
2114		2645
2115	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2117		2648
…		…
2134	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2136		2667
2137	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2140		2671
2141	$map->load;	2672	$map->load;
2142	$map->load_diag;	2673	$map->load_neighbours;
2143		2674
2144	return unless $self->contr->active;	2675	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2676
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2149	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2150		2684
		2685	}
		2686
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2152		2688
2153	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
2157		2697
2158	=cut	2698	=cut
2159		2699
2160	our $GOTOGEN;	2700	our $GOTOGEN;
2161		2701
2162	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2164		2710
2165	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2713
2168	$self->enter_link;	2714	$self->enter_link;
2169		2715
2170	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2171	my $map = eval {	2738	my $map = eval {
2172	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2173		2740
2174	if ($map) {	2741	if ($map) {
2175	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2177	} else {	2744	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2746	}
2180		2747
2181	$map	2748	$map
2182	};	2749	};
2183		2750
…		…
2188		2755
2189	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2192	}	2759	}
		2760
		2761	$done->($self) if $done;
2193	})->prio (1);	2762	})->prio (1);
2194	}	2763	}
2195		2764
2196	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2197		2766
…		…
2217	}	2786	}
2218		2787
2219	sub prepare_random_map {	2788	sub prepare_random_map {
2220	my ($exit) = @_;	2789	my ($exit) = @_;
2221		2790
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2793	# that depends on the exit object
2227		2794
2228	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2797	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2235	}	2804	}
2236		2805
2237	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2238		2807
2239	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2242		2811
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2814	undef $fh;
2246	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2247		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2250	}	2823	}
2251	}	2824	}
2252		2825
2253	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2255		2828
2256	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2257		2830
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2831	$self->enter_link;
2270		2832
2271	(async {	2833	(async {
2272	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2273	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2274	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2275		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2276	1;	2857	1
2277	}) {	2858	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2863
2283	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2284	$self->leave_link;	2865	$self->leave_link;
2285	}	2866	}
2286	})->prio (1);	2867	})->prio (1);
2287	}	2868	}
2288		2869
…		…
2302		2883
2303	utf8::encode $text;	2884	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2886	}
2306		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2307	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2308		3076
2309	Sends an exti event to the client.	3077	Sends an ext event to the client.
2310		3078
2311	=cut	3079	=cut
2312		3080
2313	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2315		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2318	}	3108	}
2319		3109
2320	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2321		3111
2322	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3115
2326	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3117	become reliable at some point in the future.
2328		3118
2329	=cut	3119	=cut
2330		3120
2331	sub cf::client::query {	3121	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3130	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3132
2343	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2345	}	3137	}
2346		3138
2347	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2348	on_reply => sub {	3145	on_reply => sub {
2349	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2350		3147
2351	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2352	# get handled first	3149	# get handled first
…		…
2364	} else {	3161	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3163	}
2367	}	3164	}
2368	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2369	);	3192	);
2370		3193
2371	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2372		3195
2373	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3212
2390	$coro	3213	$coro
2391	}	3214	}
2392		3215
2393	cf::client->attach (	3216	cf::client->attach (
2394	on_destroy => sub {	3217	on_client_destroy => sub {
2395	my ($ns) = @_;	3218	my ($ns) = @_;
2396		3219
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3221	},
2399	);	3222	);
…		…
2414	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2416		3239
2417	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2418		3241
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2420		3247
2421	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2422		3249
2423	=pod	3250	=pod
2424		3251
2425	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2426		3253
2427	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2428	cf::object::player player	3259	cf::object::player
2429	cf::player peaceful	3260	player
2430	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2431		3267
2432	=cut	3268	=cut
2433		3269
2434	for (	3270	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2439	) {	3277	) {
2440	no strict 'refs';	3278	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2460		3298
2461	my $qcode = $code;	3299	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2464		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2465	local $_;	3306	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3307
2468	my $eval =	3308	my $eval =
2469	"do {\n"	3309	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3312	. $code
2473	. "\n}"	3313	. "\n}"
2474	;	3314	;
2475		3315
		3316	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2479		3325
2480	if ($@) {	3326	if ($@) {
2481	warn "$@";	3327	warn "$@",
2482	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2483	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2484	}	3330	}
2485		3331
2486	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2487	}	3333	}
2488		3334
…		…
2502	=cut	3348	=cut
2503		3349
2504	sub register_script_function {	3350	sub register_script_function {
2505	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2506		3352
2507	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2509	}	3355	}
2510		3356
2511	=back	3357	=back
2512		3358
2513	=cut	3359	=cut
…		…
2516	# the server's init and main functions	3362	# the server's init and main functions
2517		3363
2518	sub load_facedata($) {	3364	sub load_facedata($) {
2519	my ($path) = @_;	3365	my ($path) = @_;
2520		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
2521	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2522		3374
2523	my $facedata;	3375	my $facedata;
2524	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2525	or die "$path: $!";	3377	or die "$path: $!";
2526		3378
2527	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2528		3380
2529	$facedata->{version} == 2	3381	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		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
2532	{	3393	{
2533	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2534		3395
2535	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3403
		3404	cf::cede_to_tick;
2541	}	3405	}
2542		3406
2543	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2545	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2546	or next;	3411	or next;
		3412
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3416	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3418	}
2552	Coro::cede;	3419
		3420	cf::cede_to_tick;
2553	}	3421	}
2554	}	3422	}
2555		3423
2556	{	3424	{
2557	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2558		3426
2559	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3429	cf::cede_to_tick;
2562	}	3430	}
2563		3431
2564	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2565	}	3433	}
2566		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} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2567	1	3454	1
2568	}	3455	}
2569		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($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	$status
		3473	}
		3474
2570	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2571	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2572	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 $_->{match};
		3486	}
2573	}	3487	}
2574		3488
2575	sub reload_facedata {	3489	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2585	sub reload_treasures {	3499	sub reload_treasures {
2586	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2587	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2588	}	3502	}
2589		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
2590	sub reload_resources {	3527	sub reload_resources {
2591	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2592		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2593	reload_regions;	3533	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3534	reload_treasures;
2598		3535
2599	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2600	}	3537	}
2601		3538
2602	sub init {	3539	sub reload_config {
2603	reload_resources;	3540	trace "reloading config file...\n";
2604	}
2605		3541
2606	sub cfg_load {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3543	or return;
2609		3544
2610	local $/;	3545	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2612		3547
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3549
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2617		3552
2618	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2620	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2621	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2622	};	3557	};
2623	warn $@ if $@;	3558	warn $@ if $@;
2624	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2625	}	3590	}
2626		3591
2627	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2628	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3605	(async {
2632	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2634	};	3609	};
2635		3610
2636	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2637	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2638	load_extensions;	3634	load_extensions;
2639		3635
2640	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2642	}	3649	}
2643		3650
2644	#############################################################################	3651	#############################################################################
2645	# initialisation and cleanup	3652	# initialisation and cleanup
2646		3653
2647	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2648	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2657	},
2658	);	3660	};
2659	}	3661	}
2660	}	3662	}
2661		3663
2662	sub write_runtime {	3664	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2664		3666
2665	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2667		3669
2668	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3671
2670	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2671		3673
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3675	or return;
2674		3676
2675	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2688		3690
2689	close $fh	3691	close $fh
2690	or return;	3692	or return;
2691		3693
2692	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3695	and return;
2694		3696
2695	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3698
2697	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2698	}	3750	}
2699		3751
2700	sub emergency_save() {	3752	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2702		3754
2703	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2704		3761
2705	cf::sync_job {	3762	cf::sync_job {
2706	# use a peculiar iteration method to avoid tripping on perl	3763	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3764	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3765	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3766	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3767	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3768	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3769	$pl->valid or next;
		3770	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3771	$pl->save;
2714	}	3772	}
2715	warn "end emergency player save\n";	3773	info "emergency_perl_save: end player save\n";
2716		3774
2717	warn "begin emergency map save\n";	3775	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3776	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3777	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3778	$map->valid or next;
2721	$map->save;	3779	$map->save;
2722	}	3780	}
2723	warn "end emergency map save\n";	3781	info "emergency_perl_save: end map save\n";
2724		3782
2725	warn "begin emergency database checkpoint\n";	3783	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3784	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3785	info "emergency_perl_save: end database checkpoint\n";
		3786
		3787	info "emergency_perl_save: begin write uuid\n";
		3788	write_uuid_sync 1;
		3789	info "emergency_perl_save: end write uuid\n";
2728	};	3790	};
2729		3791
2730	warn "leave emergency perl save\n";	3792	info "emergency_perl_save: starting sync()\n";
		3793	IO::AIO::aio_sync sub {
		3794	info "emergency_perl_save: finished sync()\n";
		3795	};
		3796
		3797	info "emergency_perl_save: leave\n";
2731	}	3798	}
2732		3799
2733	sub post_cleanup {	3800	sub post_cleanup {
2734	my ($make_core) = @_;	3801	my ($make_core) = @_;
2735		3802
2736	warn Carp::longmess "post_cleanup backtrace"	3803	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3804	if $make_core;
		3805
		3806	my $fh = pidfile;
		3807	unlink $PIDFILE if <$fh> == $$;
		3808	}
		3809
		3810	# a safer delete_package, copied from Symbol
		3811	sub clear_package($) {
		3812	my $pkg = shift;
		3813
		3814	# expand to full symbol table name if needed
		3815	unless ($pkg =~ /^main::.*::$/) {
		3816	$pkg = "main$pkg" if $pkg =~ /^::/;
		3817	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3818	$pkg .= '::' unless $pkg =~ /::$/;
		3819	}
		3820
		3821	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3822	my $stem_symtab = *{$stem}{HASH};
		3823
		3824	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3825	or return;
		3826
		3827	# clear all symbols
		3828	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3829	for my $name (keys %$leaf_symtab) {
		3830	_gv_clear *{"$pkg$name"};
		3831	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3832	}
2738	}	3833	}
2739		3834
2740	sub do_reload_perl() {	3835	sub do_reload_perl() {
2741	# can/must only be called in main	3836	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3837	if (in_main) {
2743	warn "can only reload from main coroutine";	3838	error "can only reload from main coroutine";
2744	return;	3839	return;
2745	}	3840	}
2746		3841
		3842	return if $RELOAD++;
		3843
		3844	my $t1 = AE::time;
		3845
		3846	while ($RELOAD) {
2747	warn "reloading...";	3847	info "reloading...";
2748		3848
2749	warn "entering sync_job";	3849	trace "entering sync_job";
2750		3850
2751	cf::sync_job {	3851	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3852	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3853	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3854	cf::write_runtime_sync; # external watchdog should not bark
2755		3855
2756	warn "syncing database to disk";	3856	trace "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3857	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3858
2759	# if anything goes wrong in here, we should simply crash as we already saved	3859	# if anything goes wrong in here, we should simply crash as we already saved
2760		3860
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3861	trace "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3862	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3863	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3864	}
2797		3865
2798	warn "... nuking $pkg";	3866	trace "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3867	$_->cancel for values %EXT_CORO;
2800	}	3868	%EXT_CORO = ();
2801		3869
2802	warn "unloading all perl modules loaded from $LIBDIR";	3870	trace "removing commands";
2803	while (my ($k, $v) = each %INC) {	3871	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3872
		3873	trace "removing ext/exti commands";
		3874	%EXTCMD = ();
		3875	%EXTICMD = ();
		3876
		3877	trace "unloading/nuking all extensions";
		3878	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3879	trace "... unloading $pkg";
2807	delete $INC{$k};
2808		3880
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3881	if (my $cb = $pkg->can ("unload")) {
		3882	eval {
2813	$cb->();	3883	$cb->($pkg);
		3884	1
		3885	} or error "$pkg unloaded, but with errors: $@";
		3886	}
		3887
		3888	trace "... clearing $pkg";
		3889	clear_package $pkg;
2814	}	3890	}
2815		3891
2816	Symbol::delete_package $k;	3892	trace "unloading all perl modules loaded from $LIBDIR";
		3893	while (my ($k, $v) = each %INC) {
		3894	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3895
		3896	trace "... unloading $k";
		3897	delete $INC{$k};
		3898
		3899	$k =~ s/\.pm$//;
		3900	$k =~ s/\//::/g;
		3901
		3902	if (my $cb = $k->can ("unload_module")) {
		3903	$cb->();
		3904	}
		3905
		3906	clear_package $k;
2817	}	3907	}
2818		3908
2819	warn "getting rid of safe::, as good as possible";	3909	trace "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3910	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3911	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3912
2823	warn "unloading cf.pm \"a bit\"";	3913	trace "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3914	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3915	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3916
2827	# don't, removes xs symbols, too,	3917	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3918	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3919	#clear_package __PACKAGE__;
2830		3920
2831	warn "unload completed, starting to reload now";	3921	info "unload completed, starting to reload now";
2832		3922
2833	warn "reloading cf.pm";	3923	trace "reloading cf.pm";
2834	require cf;	3924	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3925	cf::_connect_to_perl_1;
2836		3926
2837	warn "loading config and database again";	3927	trace "loading config and database again";
2838	cf::cfg_load;	3928	cf::reload_config;
2839		3929
2840	warn "loading extensions";	3930	trace "loading extensions";
2841	cf::load_extensions;	3931	cf::load_extensions;
2842		3932
		3933	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3934	trace "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3935	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3936	trace "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3937	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3938	trace "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3939	reattach $_ for values %PLAYER;
		3940	}
2849		3941
		3942	trace "running post_init jobs";
		3943	(pop @POST_INIT)->(1) while @POST_INIT;
		3944
2850	warn "leaving sync_job";	3945	trace "leaving sync_job";
2851		3946
2852	1	3947	1
2853	} or do {	3948	} or do {
2854	warn $@;	3949	error $@;
2855	warn "error while reloading, exiting.";	3950	cf::cleanup "error while reloading, exiting.";
2856	exit 1;	3951	};
		3952
		3953	info "reloaded";
		3954	--$RELOAD;
2857	};	3955	}
2858		3956
2859	warn "reloaded";	3957	$t1 = AE::time - $t1;
		3958	info "reload completed in ${t1}s\n";
2860	};	3959	};
2861		3960
2862	our $RELOAD_WATCHER; # used only during reload	3961	our $RELOAD_WATCHER; # used only during reload
2863		3962
2864	sub reload_perl() {	3963	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3964	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3965	# coro crashes during coro_state_free->destroy here.
2867		3966
2868	$RELOAD_WATCHER ||= Event->timer (	3967	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3968	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3969
2871	data => WF_AUTOCANCEL,	3970	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3971	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3972	undef $RELOAD_WATCHER;
2875	},	3973	};
2876	);	3974	};
2877	}	3975	}
2878		3976
2879	register_command "reload" => sub {	3977	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3978	my ($who, $arg) = @_;
2881		3979
2882	if ($who->flag (FLAG_WIZ)) {	3980	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3981	$who->message ("reloading server.");
		3982	async {
		3983	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3984	reload_perl;
		3985	};
2885	}	3986	}
2886	};	3987	};
2887		3988
2888	unshift @INC, $LIBDIR;	3989	unshift @INC, $LIBDIR;
2889		3990
…		…
2891		3992
2892	our @WAIT_FOR_TICK;	3993	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3994	our @WAIT_FOR_TICK_BEGIN;
2894		3995
2895	sub wait_for_tick {	3996	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3997	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3998
2899	my $signal = new Coro::Signal;	3999	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4000	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4001	$signal->wait;
2902	}	4002	}
2903		4003
2904	sub wait_for_tick_begin {	4004	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4005	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4006
2908	my $signal = new Coro::Signal;	4007	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4008	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4009	$signal->wait;
2911	}	4010	}
2912		4011
2913	my $min = 1e6;#d#	4012	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4013	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4014	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4015	unless ++$bug_warning > 10;
2925	return;	4016	return;
2926	}	4017	}
2927		4018
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4019	cf::server_tick; # one server iteration
2931		4020
2932	0 && sync_job {#d#	4021	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4022
2938	$map->width (50);	4023	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4024	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4025	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4026	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4027	write_runtime_sync
2943		4028	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4029	};
		4030	}
2954		4031
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4032	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4033	$sig->send;
2971	}	4034	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4035	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4036	$sig->send;
2974	}	4037	}
2975		4038
2976	$NOW = Event::time;	4039	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4040	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4041
2987	_post_tick;	4042	if (0) {
2988		4043	if ($NEXT_TICK) {
2989		4044	my $jitter = $TICK_START - $NEXT_TICK;
		4045	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4046	debug "jitter $JITTER\n";#d#
		4047	}
2990	},	4048	}
2991	);	4049	}
2992		4050
2993	{	4051	{
2994	BDB::max_poll_time $TICK * 0.1;	4052	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4053
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4054	BDB::min_parallel 16;
3004		4055	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4056	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4057
3020	unless ($DB_ENV) {	4058	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4059	$DB_ENV = BDB::db_env_create;
		4060	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4061	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4062	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4063	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4064	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4065
3023	cf::sync_job {	4066	cf::sync_job {
3024	eval {	4067	eval {
3025	BDB::db_env_open	4068	BDB::db_env_open
3026	$DB_ENV,	4069	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4071	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4072	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4073	0666;
3031		4074
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4075	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4076	};
3037		4077
3038	cf::cleanup "db_env_open(db): $@" if $@;	4078	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4079	};
3040	}	4080	}
		4081
		4082	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4083	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4084	};
		4085	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4086	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4087	};
		4088	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4089	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4090	};
3041	}	4091	}
3042		4092
3043	{	4093	{
		4094	# configure IO::AIO
		4095
3044	IO::AIO::min_parallel 8;	4096	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4097	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4098	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4099	}
3057		4100
3058	my $_log_backtrace;	4101	my $_log_backtrace;
3059		4102
3060	sub _log_backtrace {	4103	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4106	$msg =~ s/\n//;
3064		4107
3065	# limit the # of concurrent backtraces	4108	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4109	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4110	++$_log_backtrace;
		4111	my $perl_bt = Carp::longmess $msg;
3068	async {	4112	async {
		4113	$Coro::current->{desc} = "abt $msg";
		4114
3069	my @bt = fork_call {	4115	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4116	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4117	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4118	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4119	or die "addr2line: $!";
…		…
3081	}	4127	}
3082		4128
3083	@funcs	4129	@funcs
3084	};	4130	};
3085		4131
3086	LOG llevInfo, "[ABT] $msg\n";	4132	LOG llevInfo, "[ABT] $perl_bt\n";
		4133	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4134	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4135	--$_log_backtrace;
3089	};	4136	};
3090	} else {	4137	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4138	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4139	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4140	}
3094	}	4141	}
3095		4142
3096	# load additional modules	4143	# load additional modules
3097	use cf::pod;	4144	require "cf/$_.pm" for @EXTRA_MODULES;
		4145	cf::_connect_to_perl_2;
3098		4146
3099	END { cf::emergency_save }	4147	END { cf::emergency_save }
3100		4148
3101	1	4149	1
3102		4150

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