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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		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 common::sense;\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},
…		…
1452		1848
1453	sub register {	1849	sub register {
1454	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1851	my $pkg = caller;
1456		1852
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1854
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1856	}
1462		1857
1463	# also paths starting with '/'	1858	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1860
1466	sub thawer_merge {	1861	sub thawer_merge {
1467	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1468		1863
1469	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1523	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1524	return $self;	1919	return $self;
1525	}	1920	}
1526	}	1921	}
1527		1922
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1924	()
1530	}	1925	}
1531		1926
1532	sub init {	1927	sub init {
1533	my ($self) = @_;	1928	my ($self) = @_;
…		…
1555		1950
1556	# the temporary/swap location	1951	# the temporary/swap location
1557	sub save_path {	1952	sub save_path {
1558	my ($self) = @_;	1953	my ($self) = @_;
1559		1954
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1562	}	1957	}
1563		1958
1564	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1565	sub uniq_path {	1960	sub uniq_path {
1566	my ($self) = @_;	1961	my ($self) = @_;
1567		1962
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1964	"$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	}	1965	}
1580		1966
1581	sub decay_objects {	1967	sub decay_objects {
1582	my ($self) = @_;	1968	my ($self) = @_;
1583		1969
…		…
1596		1982
1597	sub load_header_from($) {	1983	sub load_header_from($) {
1598	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1599		1985
1600	utf8::encode $path;	1986	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1606		1995
1607	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1608		1997
1609	1	1998	1
1610	}	1999	}
…		…
1664	sub find {	2053	sub find {
1665	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1666		2055
1667	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1668		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2060
1671	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1674	or return;	2063	or return;
1675		2064
1676	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1677		2066
…		…
1679	or return;	2068	or return;
1680		2069
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1684	$map->reset;	2075	$map->reset;
1685	undef $guard;
1686	return find $path;	2076	return find $path;
1687	}	2077	}
1688		2078
1689	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1690	}	2080	}
1691	}	2081	}
1692		2082
1693	sub pre_load { }	2083	sub pre_load { }
1694	sub post_load { }	2084	#sub post_load { } # XS
1695		2085
1696	sub load {	2086	sub load {
1697	my ($self) = @_;	2087	my ($self) = @_;
1698		2088
1699	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1700		2090
1701	my $path = $self->{path};	2091	my $path = $self->{path};
1702		2092
1703	{	2093	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1705		2095
		2096	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2098
1708	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1709		2100
1710	$self->alloc;	2101	$self->alloc;
1711		2102
1712	$self->pre_load;	2103	$self->pre_load;
1713	Coro::cede;	2104	cf::cede_to_tick;
1714		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2108	$self->_load_objects ($f)
1716	or return;	2109	or return;
1717		2110
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1719	if delete $self->{load_original};	2112	if delete $self->{load_original};
1720		2113
1721	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2115	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2118	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1726	}	2122	}
1727	}	2123	}
1728		2124
1729	Coro::cede;	2125	$f->resolve_delayed_derefs;
		2126
		2127	cf::cede_to_tick;
1730	# now do the right thing for maps	2128	# now do the right thing for maps
1731	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2131	unless $self->difficulty;
1734	Coro::cede;	2132	cf::cede_to_tick;
1735		2133
1736	unless ($self->{deny_activate}) {	2134	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2135	$self->decay_objects;
1738	$self->fix_auto_apply;	2136	$self->fix_auto_apply;
1739	$self->update_buttons;	2137	$self->update_buttons;
1740	Coro::cede;	2138	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2139	$self->activate;
1744	}	2140	}
1745		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2146	}
1748		2147
1749	$self->post_load;	2148	$self->post_load;
1750	}	2149	}
1751		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2154	sub customise_for {
1753	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1754		2156
1755	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2158	if $self->per_player;
…		…
1760		2162
1761	$self	2163	$self
1762	}	2164	}
1763		2165
1764	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2167	sub load_neighbours {
1766	my ($map) = @_;	2168	my ($map) = @_;
1767		2169
1768	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1769		2171
1770	for (0 .. 3) {	2172	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1772	or next;	2174	or next;
1773	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1774	or next;	2176	or next;
1775	$neigh->load;	2177	$neigh->load;
1776		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2183	}
1780		2184
1781	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1783	or next;	2188	or next;
1784	$neigh->load;	2189	$neigh->load;
1785	}	2190	}
1786	}	2191	}
1787		2192
1788	sub find_sync {	2193	sub find_sync {
1789	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1790		2195
1791	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1792	}	2200	}
1793		2201
1794	sub do_load_sync {	2202	sub do_load_sync {
1795	my ($map) = @_;	2203	my ($map) = @_;
1796		2204
1797	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1798	}	2209	}
1799		2210
1800	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1802		2213
1803	sub find_async {	2214	sub find_async {
1804	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1805		2216
1806	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1807		2218
1808	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2221	}
1811		2222
1812	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1813	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1814	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2230	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2231	$map->load if $v;
		2232	}
1819		2233
1820	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1821	}	2235	}
1822	}	2236	}
1823	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1824	};	2238	};
1825	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1826		2240
1827	()	2241	()
1828	}	2242	}
1829		2243
		2244	# common code, used by both ->save and ->swapout
1830	sub save {	2245	sub _save {
1831	my ($self) = @_;	2246	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2247
1835	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1836		2249
1837	return unless $self->dirty;	2250	return unless $self->dirty;
1838		2251
…		…
1844	return if $self->{deny_save};	2257	return if $self->{deny_save};
1845		2258
1846	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1847		2260
1848	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1850	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1851		2267
1852	if ($uniq) {	2268	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2271	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2273	}
1858	}	2274	}
1859		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1860	sub swap_out {	2284	sub swap_out {
1861	my ($self) = @_;	2285	my ($self) = @_;
1862		2286
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1868	return if $self->players;	2291	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1872	$self->clear;	2302	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2303	}
1875		2304
1876	sub reset_at {	2305	sub reset_at {
1877	my ($self) = @_;	2306	my ($self) = @_;
1878		2307
…		…
1896		2325
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2327
1899	return if $self->players;	2328	return if $self->players;
1900		2329
1901	warn "resetting map ", $self->path;	2330	cf::trace "resetting map ", $self->path, "\n";
1902		2331
1903	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1904		2333
1905	# need to save uniques path	2334	# need to save uniques path
1906	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2339	if $uniq;
1911	}	2340	}
1912		2341
1913	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1914		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2346	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2347
1919	$self->unlink_save;	2348	$self->unlink_save;
1920	$self->destroy;	2349	$self->destroy;
1921	}	2350	}
1922		2351
1923	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1924		2353
1925	sub nuke {	2354	sub nuke {
1926	my ($self) = @_;	2355	my ($self) = @_;
1927		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1928	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1929		2361
1930	$self->unlink_save;	2362	$self->unlink_save;
1931		2363
1932	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2369
1938	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1939		2372
1940	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
1941	}	2374	}
1942		2375
1943	=item $maps = cf::map::tmp_maps	2376	=item $maps = cf::map::tmp_maps
…		…
1985		2418
1986	sub unique_maps() {	2419	sub unique_maps() {
1987	[	2420	[
1988	map {	2421	map {
1989	utf8::decode $_;	2422	utf8::decode $_;
1990	/\.map$/	2423	s/\.map$//; # TODO future compatibility hack
		2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2425	? ()
1991	? normalise $_	2426	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2427	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2428	]
1995	}	2429	}
1996		2430
1997	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1998		2462
1999	=back	2463	=back
2000		2464
2001	=head3 cf::object	2465	=head3 cf::object
2002		2466
…		…
2006		2470
2007	=over 4	2471	=over 4
2008		2472
2009	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
2010		2474
2011	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
2012		2477
2013	=cut	2478	=cut
2014		2479
2015	sub inv_recursive_;	2480	sub inv_recursive_;
2016	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
2019		2484
2020	sub inv_recursive {	2485	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
2022	}	2487	}
2023		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
2024	package cf;	2517	package cf;
2025		2518
2026	=back	2519	=back
2027		2520
2028	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	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	2528	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
2037		2530
2038	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
2039		2546
2040	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2548	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
2050		2557
2051	} else {	2558	} else {
2052	my $pl = $self->contr;	2559	my $pl = $self->contr;
2053		2560
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2562	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2564
2060	} else {	2565	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2568	}
2064	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
2065	}	2580	}
2066		2581
2067	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
2068		2583
2069	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
2082		2597
2083	=item $player_object->enter_link	2598	=item $player_object->enter_link
2084		2599
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2601
2087	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
2089		2606
2090	Will never block.	2607	Will never block.
2091		2608
2092	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
2093		2610
…		…
2113	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2631	my ($self) = @_;
2115		2632
2116	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
2117		2634
		2635	++$self->{_link_recursion};
		2636
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2638
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2640	if $self->map && $self->map->{path} ne "{link}";
2122		2641
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2643	}
2125		2644
2126	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
2128		2647
…		…
2145	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
2147		2666
2148	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
2151		2670
2152	$map->load;	2671	$map->load;
2153	$map->load_diag;	2672	$map->load_neighbours;
2154		2673
2155	return unless $self->contr->active;	2674	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2675
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
2160	}	2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
		2681	$self->activate_recursive;
		2682	}
2161		2683
		2684	}
		2685
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2687
2164	Moves the player to the given map-path and coordinates by first freezing	2688	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2689	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2690	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
2168		2696
2169	=cut	2697	=cut
2170		2698
2171	our $GOTOGEN;	2699	our $GOTOGEN;
2172		2700
2173	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
2175		2709
2176	# do generation counting so two concurrent goto's will be executed in-order	2710	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2712
2179	$self->enter_link;	2713	$self->enter_link;
2180		2714
2181	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
2182	my $map = eval {	2737	my $map = eval {
2183	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
2184		2739
2185	if ($map) {	2740	if ($map) {
2186	$map = $map->customise_for ($self);	2741	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2742	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2743	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2745	}
2191		2746
2192	$map	2747	$map
2193	};	2748	};
2194		2749
…		…
2199		2754
2200	if ($gen == $self->{_goto_generation}) {	2755	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2756	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
2203	}	2758	}
		2759
		2760	$done->($self) if $done;
2204	})->prio (1);	2761	})->prio (1);
2205	}	2762	}
2206		2763
2207	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
2208		2765
…		…
2228	}	2785	}
2229		2786
2230	sub prepare_random_map {	2787	sub prepare_random_map {
2231	my ($exit) = @_;	2788	my ($exit) = @_;
2232		2789
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2792	# that depends on the exit object
2238		2793
2239	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2796	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
2246	}	2803	}
2247		2804
2248	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
2249		2806
2250	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
2253		2810
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2813	undef $fh;
2257	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
2258		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
2261	}	2822	}
2262	}	2823	}
2263		2824
2264	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2266		2827
2267	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2268		2829
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2830	$self->enter_link;
2281		2831
2282	(async {	2832	(async {
2283	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2284	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2285	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2286		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2287	1;	2856	1
2288	}) {	2857	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2862
2294	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2864	$self->leave_link;
2296	}	2865	}
2297	})->prio (1);	2866	})->prio (1);
2298	}	2867	}
2299		2868
…		…
2313		2882
2314	utf8::encode $text;	2883	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2885	}
2317		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
2318	=item $client->ext_event ($type, %msg)	3074	=item $client->ext_msg ($type, @msg)
2319		3075
2320	Sends an exti event to the client.	3076	Sends an ext event to the client.
2321		3077
2322	=cut	3078	=cut
2323		3079
2324	sub cf::client::ext_event($$%) {	3080	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3081	my ($self, $type, @msg) = @_;
2326		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3086	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
2329	}	3107	}
2330		3108
2331	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2332		3110
2333	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3114
2337	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3116	become reliable at some point in the future.
2339		3117
2340	=cut	3118	=cut
2341		3119
2342	sub cf::client::query {	3120	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3129	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3131
2354	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2356	}	3136	}
2357		3137
2358	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
2359	on_reply => sub {	3144	on_reply => sub {
2360	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2361		3146
2362	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2363	# get handled first	3148	# get handled first
…		…
2375	} else {	3160	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3162	}
2378	}	3163	}
2379	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2380	);	3191	);
2381		3192
2382	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2383		3194
2384	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3211
2401	$coro	3212	$coro
2402	}	3213	}
2403		3214
2404	cf::client->attach (	3215	cf::client->attach (
2405	on_destroy => sub {	3216	on_client_destroy => sub {
2406	my ($ns) = @_;	3217	my ($ns) = @_;
2407		3218
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3220	},
2410	);	3221	);
…		…
2425	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2427		3238
2428	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2429		3240
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2431		3246
2432	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2433		3248
2434	=pod	3249	=pod
2435		3250
2436	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2437		3252
2438	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2439	cf::object::player player	3258	cf::object::player
2440	cf::player peaceful	3259	player
2441	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2442		3266
2443	=cut	3267	=cut
2444		3268
2445	for (	3269	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2450	) {	3276	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3279	for @funs;
2455	}	3280	}
2456		3281
…		…
2471		3296
2472	my $qcode = $code;	3297	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2475		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2476	local $_;	3304	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3305
2479	my $eval =	3306	my $eval =
2480	"do {\n"	3307	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3310	. $code
2484	. "\n}"	3311	. "\n}"
2485	;	3312	;
2486		3313
		3314	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2490		3323
2491	if ($@) {	3324	if ($@) {
2492	warn "$@";	3325	warn "$@",
2493	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2495	}	3328	}
2496		3329
2497	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2498	}	3331	}
2499		3332
…		…
2513	=cut	3346	=cut
2514		3347
2515	sub register_script_function {	3348	sub register_script_function {
2516	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2517		3350
2518	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2520	}	3353	}
2521		3354
2522	=back	3355	=back
2523		3356
2524	=cut	3357	=cut
2525		3358
2526	#############################################################################	3359	#############################################################################
2527	# the server's init and main functions	3360	# the server's init and main functions
2528		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2529	sub load_facedata($) {	3404	sub load_facedata($) {
2530	my ($path) = @_;	3405	my ($path) = @_;
2531		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2532	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2533		3414
2534	my $facedata;	3415	my $facedata;
2535	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2536	or die "$path: $!";	3417	or die "$path: $!";
2537		3418
2538	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2539		3420
2540	$facedata->{version} == 2	3421	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2543	{	3433	{
2544	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2545		3435
2546	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3443
		3444	cf::cede_to_tick;
2552	}	3445	}
2553		3446
2554	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2556	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2557	or next;	3451	or next;
		3452
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3456	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3458	}
2563	Coro::cede;	3459
		3460	cf::cede_to_tick;
2564	}	3461	}
2565	}	3462	}
2566		3463
2567	{	3464	{
2568	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2569		3466
2570	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3469	cf::cede_to_tick;
2573	}	3470	}
2574		3471
2575	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2576	}	3473	}
2577		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2578	1	3494	1
2579	}	3495	}
2580		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2581	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2582	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
2584	}	3527	}
2585		3528
2586	sub reload_facedata {	3529	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3539	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2599	}	3542	}
2600		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2601	sub reload_resources {	3567	sub reload_resources {
2602	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2603		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
2604	reload_regions;	3573	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3574	reload_treasures;
2609		3575
2610	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
2611	}	3577	}
2612		3578
2613	sub init {	3579	sub reload_config {
2614	reload_resources;	3580	trace "reloading config file...\n";
2615	}
2616		3581
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3583	or return;
2620		3584
2621	local $/;	3585	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2623		3587
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3589
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3592
2629	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3597	};
2634	warn $@ if $@;	3598	warn $@ if $@;
2635	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3630	}
2637		3631
2638	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2639	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3645	(async {
2643	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2645	};	3649	};
2646		3650
2647	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2648	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2649	load_extensions;	3676	load_extensions;
2650		3677
2651	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2653	}	3696	}
2654		3697
2655	#############################################################################	3698	#############################################################################
2656	# initialisation and cleanup	3699	# initialisation and cleanup
2657		3700
2658	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2659	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2668	},
2669	);	3707	};
2670	}	3708	}
2671	}	3709	}
2672		3710
2673	sub write_runtime {	3711	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3712	my $t0 = AE::time;
2675		3713
2676	# first touch the runtime file to show we are still running:	3714	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3715	# the fsync below can take a very very long time.
2678		3716
2679	IO::AIO::aio_utime $runtime, undef, undef;	3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3718
2681	my $guard = cf::lock_acquire "write_runtime";	3719	my $guard = cf::lock_acquire "write_runtime";
2682		3720
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3722	or return;
2685		3723
2686	my $value = $cf::RUNTIME + 90 + 10;	3724	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3725	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3726	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3736	aio_utime $fh, undef, undef;
2699		3737
2700	close $fh	3738	close $fh
2701	or return;	3739	or return;
2702		3740
2703	aio_rename "$runtime~", $runtime	3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3742	and return;
2705		3743
2706	warn "runtime file written.\n";	3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3745
2708	1	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2709	}	3797	}
2710		3798
2711	sub emergency_save() {	3799	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2713		3801
2714	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2715		3808
2716	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2717	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3820	$pl->save;
2725	}	3821	}
2726	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2727		3823
2728	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3829	$map->valid or next;
2732	$map->save;	3830	$map->save;
2733	}	3831	}
2734	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2735		3833
2736	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3862	};
2740		3863
2741	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2742	}	3865	}
2743		3866
2744	sub post_cleanup {	3867	sub post_cleanup {
2745	my ($make_core) = @_;	3868	my ($make_core) = @_;
2746		3869
		3870	IO::AIO::flush;
		3871
2747	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
2749	}	3902	}
2750		3903
2751	sub do_reload_perl() {	3904	sub do_reload_perl() {
2752	# can/must only be called in main	3905	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2754	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2755	return;	3908	return;
2756	}	3909	}
2757		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2758	warn "reloading...";	3916	info "reloading...";
2759		3917
2760	warn "entering sync_job";	3918	trace "entering sync_job";
2761		3919
2762	cf::sync_job {	3920	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3921	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3922
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3925	%EXT_CORO = ();
2791		3926
2792	warn "removing commands";	3927	trace "removing commands";
2793	%COMMAND = ();	3928	%COMMAND = ();
2794		3929
2795	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2796	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2797		3933
2798	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2801		3937
2802	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3939	eval {
2804	$cb->($pkg);	3940	$cb->($pkg);
2805	1	3941	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2807	}	3947	}
2808		3948
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3952
2817	warn "... unloading $k";	3953	trace "... unloading $k";
2818	delete $INC{$k};	3954	delete $INC{$k};
2819		3955
2820	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2822		3958
2823	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2825	}	3964	}
2826		3965
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3969
2834	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3973
2838	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3975	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2841		3977
2842	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2843		3979
2844	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2845	require cf;	3981	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2847		3983
2848	warn "loading config and database again";	3984	trace "loading config and database again";
2849	cf::cfg_load;	3985	cf::reload_config;
2850		3986
2851	warn "loading extensions";	3987	trace "loading extensions";
2852	cf::load_extensions;	3988	cf::load_extensions;
2853		3989
		3990	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2860		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
2861	warn "leaving sync_job";	4002	trace "leaving sync_job";
2862		4003
2863	1	4004	1
2864	} or do {	4005	} or do {
2865	warn $@;	4006	error $@;
2866	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2867	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
2868	};	4012	}
2869		4013
2870	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
2871	};	4016	};
2872		4017
2873	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
2874		4019
2875	sub reload_perl() {	4020	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
2878		4023
2879	$RELOAD_WATCHER ||= Event->timer (	4024	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4025	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4026
2882	data => WF_AUTOCANCEL,	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4028	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
2886	},	4030	};
2887	);	4031	};
2888	}	4032	}
2889		4033
2890	register_command "reload" => sub {	4034	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2892		4036
2893	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4041	reload_perl;
		4042	};
2896	}	4043	}
2897	};	4044	};
2898		4045
2899	unshift @INC, $LIBDIR;	4046	#############################################################################
2900		4047
2901	my $bug_warning = 0;	4048	my $bug_warning = 0;
2902		4049
2903	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
2905		4052
2906	sub wait_for_tick {	4053	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4055
2910	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4058	$signal->wait;
2913	}	4059	}
2914		4060
2915	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4063
2919	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4066	$signal->wait;
2922	}	4067	}
2923		4068
2924	my $min = 1e6;#d#	4069	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2936	return;	4073	return;
2937	}	4074	}
2938		4075
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2942		4077
2943	0 && sync_job {#d#	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4079
2949	$map->width (50);	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4082	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4083	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4084	write_runtime_sync
2954		4085	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4086	};
		4087	}
2965		4088
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4090	$sig->send;
2982	}	4091	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4092	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4093	$sig->send;
2985	}	4094	}
2986		4095
2987	$NOW = Event::time;	4096	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4098
2998	_post_tick;	4099	if (0) {
2999		4100	if ($NEXT_TICK) {
3000		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
3001	},	4105	}
3002	);	4106	}
3003		4107
3004	{	4108	{
3005	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4110
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
3015		4112	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4114
3031	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4122
3034	cf::sync_job {	4123	cf::sync_job {
3035	eval {	4124	eval {
3036	BDB::db_env_open	4125	BDB::db_env_open
3037	$DB_ENV,	4126	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4130	0666;
3042		4131
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4133	};
3048		4134
3049	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4136	};
3051	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
3052	}	4148	}
3053		4149
3054	{	4150	{
		4151	# configure IO::AIO
		4152
3055	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4156	}
3068		4157
3069	my $_log_backtrace;	4158	my $_log_backtrace;
3070		4159
3071	sub _log_backtrace {	4160	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4163	$msg =~ s/\n//;
3075		4164
3076	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4166	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
3079	async {	4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
3080	my @bt = fork_call {	4172	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4173	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4176	or die "addr2line: $!";
…		…
3092	}	4184	}
3093		4185
3094	@funcs	4186	@funcs
3095	};	4187	};
3096		4188
3097	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4191	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4192	--$_log_backtrace;
3100	};	4193	};
3101	} else {	4194	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4195	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4196	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4197	}
3105	}	4198	}
3106		4199
3107	# load additional modules	4200	# load additional modules
3108	use cf::pod;	4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
3109		4203
3110	END { cf::emergency_save }	4204	END { cf::emergency_save }
3111		4205
3112	1	4206	1
3113		4207

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