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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.531 by root, Wed Apr 28 21:07:41 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	292	for my $pkg (qw(
198	cf::global cf::attachable	293	cf::global cf::attachable
199	cf::object cf::object::player	294	cf::object cf::object::player
200	cf::client cf::player	295	cf::client cf::player
201	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
202	cf::map cf::party cf::region	298	cf::party cf::region
203	)) {	299	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	301	}
207		302
208	$Event::DIED = sub {	303	$EV::DIED = sub {
209	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
210	};	305	};
211		306
212	#############################################################################	307	#############################################################################
213		308
214	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	332	$d
238	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
239	}	334	}
240		335
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
244		337
245	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
246		339
247	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
248		341
249	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
250		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
251	=item cf::lock_wait $string	365	=item cf::lock_wait $string
252		366
253	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
254		368
255	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
256		370
257	Wait until the given lock is available and then acquires it and returns	371	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,	372	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	373	for example when the coroutine gets canceled), the lock is automatically
260	returned.	374	returned.
261		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
262	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
264		381
265	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
266		383
267	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
268		385
269	=cut	386	=cut
270		387
271	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
272		389
273	sub lock_wait($) {	390	sub lock_wait($) {
274	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	392	}
282		393
283	sub lock_acquire($) {	394	sub lock_acquire($) {
284	my ($key) = @_;	395	$LOCKS->guard ($_[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	}	396	}
296		397
297	sub lock_active($) {	398	sub lock_active($) {
298	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	400	}
302		401
303	sub freeze_mainloop {	402	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
305		404
306	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
308	};	472	}
309	$TICK_WATCHER->stop;	473	};
310	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
311	}	488	}
312		489
313	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
314		491
315	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		497
321	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
322		499
323	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
324		501
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	502	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	503	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	505	acceptable.
329		506
330	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		513
337	sub sync_job(&) {	514	sub sync_job(&) {
338	my ($job) = @_;	515	my ($job) = @_;
339		516
340	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	518	my $time = AE::time;
342		519
343	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
345		522
346	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	524
348	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
349		526
350	my $busy = 1;	527	my $busy = 1;
351	my @res;	528	my @res;
352		529
353	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	532	@res = eval { $job->() };
355	warn $@ if $@;	533	warn $@ if $@;
356	undef $busy;	534	undef $busy;
357	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
358		536
359	while ($busy) {	537	while ($busy) {
360	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
361	}	542	}
		543	}
362		544
363	$time = Event::time - $time;	545	my $time = AE::time - $time;
364		546
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	547	$TICK_START += $time; # do not account sync jobs to server load
369		548
370	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
371	} else {	550	} else {
372	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
373		552
…		…
398	=item fork_call { }, $args	577	=item fork_call { }, $args
399		578
400	Executes the given code block with the given arguments in a seperate	579	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	580	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	581	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	582	never block itself or use any form of event handling.
404		583
405	=cut	584	=cut
406		585
407	sub fork_call(&@) {	586	sub fork_call(&@) {
408	my ($cb, @args) = @_;	587	my ($cb, @args) = @_;
409		588
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	589	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	590	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	591	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		592
415	if (my $pid = fork) {	593	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;	594	reset_signals;
428	local $SIG{__WARN__};	595	&$cb
429	local $SIG{__DIE__};	596	}, @args;
430	eval {
431	close $fh1;
432		597
433	my @res = eval { $cb->(@args) };	598	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	599	}
435	};
436		600
437	warn $@ if $@;	601	sub objinfo {
438	_exit 0;
439	}	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
440	}	637	}
441		638
442	=item $value = cf::db_get $family => $key	639	=item $value = cf::db_get $family => $key
443		640
444	Returns a single value from the environment database.	641	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	643	=item cf::db_put $family => $key => $value
447		644
448	Stores the given C<$value> in the family. It can currently store binary	645	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).	646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
451	=cut	653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
452		671
453	our $DB;	672	our $DB;
454		673
455	sub db_init {	674	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	675	cf::sync_job {
460	eval {	676	$DB ||= db_table "db";
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	}	677	};
470	}	678	}
471		679
472	sub db_get($$) {	680	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	681	my $key = "$_[0]/$_[1]";
474		682
…		…
524	if (1) {	732	if (1) {
525	$md5 =	733	$md5 =
526	join "\x00",	734	join "\x00",
527	$processversion,	735	$processversion,
528	map {	736	map {
529	Coro::cede;	737	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	738	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	739	} 0.. $#$src;
532		740
533		741
534	my $dbmd5 = db_get cache => "$id/md5";	742	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		780
573	#############################################################################	781	#############################################################################
574		782
575	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
576		784
577	Many objects in crossfire are so-called attachable objects. That means you can	785	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")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
580		788
581	In the following description, CLASS can be any of C<global>, C<object>	789	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	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	791	Deliantra).
584		792
585	=over 4	793	=over 4
586		794
587	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
588		796
…		…
632	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
633		841
634	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
636		844
637	Some classes such as crossfire maps and objects can specify attachments	845	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.	846	that are attached at load/instantiate time, thus the need for a name.
639		847
640	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
641		849
642	=over 4	850	=over 4
…		…
840	";	1048	";
841	die if $@;	1049	die if $@;
842	}	1050	}
843		1051
844	our $override;	1052	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1054
847	sub override {	1055	sub override {
848	$override = 1;	1056	$override = 1;
849	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
850	}	1058	}
851		1059
852	sub do_invoke {	1060	sub do_invoke {
853	my $event = shift;	1061	my $event = shift;
854	my $callbacks = shift;	1062	my $callbacks = shift;
855		1063
856	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
857		1065
858	local $override;	1066	local $override;
859		1067
860	for (@$callbacks) {	1068	for (@$callbacks) {
861	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
870	}	1078	}
871		1079
872	0	1080	0
873	}	1081	}
874		1082
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1084
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1086
879	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
880		1088
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	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	1090	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1092
885	=back	1093	=back
886		1094
887	=cut	1095	=cut
888		1096
889	#############################################################################	1097	#############################################################################
890	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
891		1141
892	sub reattach {	1142	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1144	my ($obj) = @_;
895		1145
		1146	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1148
898	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
899		1150
900	@$registry = ();	1151	@$registry = ();
901		1152
…		…
916	cf::attachable->attach (	1167	cf::attachable->attach (
917	prio => -1000000,	1168	prio => -1000000,
918	on_instantiate => sub {	1169	on_instantiate => sub {
919	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
920		1171
921	$data = from_json $data;	1172	$data = decode_json $data;
922		1173
923	for (@$data) {	1174	for (@$data) {
924	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
925		1176
926	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1193	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
944		1195
945	sync_job {	1196	sync_job {
946	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
949		1202
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
954	close $fh;	1210	aio_close $fh;
955		1211
956	if (@$objs) {	1212	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
962	close $fh;	1221	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
964	}	1223	}
965	} else {	1224	} else {
966	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
967	}	1226	}
968		1227
969	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1232	} else {
971	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
972	}	1234	}
973	} else {	1235	} else {
974	aio_unlink $filename;	1236	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
976	}	1238	}
977	}	1239	};
978	}	1240	}
979		1241
980	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
982		1244
…		…
994	or return;	1256	or return;
995		1257
996	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
998	or return;	1260	or return;
		1261
999	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
1000	}	1264	}
1001		1265
		1266	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
1004	return ($data, $av);	1271	($data, $av)
1005	}	1272	}
1006		1273
1007	=head2 COMMAND CALLBACKS	1274	=head2 COMMAND CALLBACKS
1008		1275
1009	=over 4	1276	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1297	}
1031		1298
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1300
1034	Register a callback fro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
1035		1306
1036	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
1037	called.	1308	called.
1038		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
1039	=cut	1321	=cut
1040		1322
1041	sub register_extcmd {	1323	sub register_extcmd {
1042	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
1043		1325
1044	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
1045	}	1327	}
1046		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
1047	cf::player->attach (	1337	cf::player->attach (
1048	on_command => sub {	1338	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
1050		1340
1051	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
1052	or return;	1342	or return;
1053		1343
…		…
1058	cf::override;	1348	cf::override;
1059	},	1349	},
1060	on_extcmd => sub {	1350	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
1062		1352
1063	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1354
1065	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
1071	} else {	1370	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1372	}
1074		1373
1075	cf::override;	1374	cf::override;
1076	},	1375	},
1077	);	1376	);
		1377
		1378	# "readahead" all extensions
		1379	sub cache_extensions {
		1380	my $grp = IO::AIO::aio_group;
		1381
		1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1383	for (grep /\.ext$/, @{$_[0]}) {
		1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1385	}
		1386	};
		1387
		1388	$grp
		1389	}
1078		1390
1079	sub load_extensions {	1391	sub load_extensions {
1080	cf::sync_job {	1392	cf::sync_job {
1081	my %todo;	1393	my %todo;
1082		1394
…		…
1102		1414
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1417
1106	$ext{source} =	1418	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
1109	. $source	1421	. $source
1110	. "\n};\n1";	1422	. "\n};\n1";
1111		1423
1112	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
1113	}	1425	}
1114		1426
		1427	my $pass = 0;
1115	my %done;	1428	my %done;
1116	while (%todo) {	1429	while (%todo) {
1117	my $progress;	1430	my $progress;
1118		1431
		1432	++$pass;
		1433
		1434	ext:
1119	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1437	next ext
1122	unless exists $done{$_};	1438	unless exists $done{$_};
1123	}	1439	}
1124		1440
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1442
1127	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1449	if exists $v->{meta}{mandatory};
1132	warn $msg;	1450
1133	warn "mandatory extension failed to load, exiting.\n";	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1452	delete $todo{$k};
1135	}	1453	} else {
1136		1454	$done{$k} = delete $todo{$k};
1137	warn $msg;	1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1138	}	1460	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1461	}
1144		1462
1145	skip:	1463	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
1148	}	1471	}
1149	};	1472	};
1150	}	1473	}
1151		1474
1152	#############################################################################	1475	#############################################################################
1153		1476
1154	=back	1477	=back
1155		1478
1156	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1157		1480
1158	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1159		1482
1160	=cut	1483	=cut
1161		1484
1162	package cf::player;	1485	package cf::player;
1163		1486
1164	use Coro::AIO;	1487	use Coro::AIO;
1165		1488
1166	=head3 cf::player	1489	=head3 cf::player
1167		1490
1168	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1169		1506
1170	=item cf::player::find $login	1507	=item cf::player::find $login
1171		1508
1172	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1173		1510
…		…
1192		1529
1193	sub exists($) {	1530	sub exists($) {
1194	my ($login) = @_;	1531	my ($login) = @_;
1195		1532
1196	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1198	}	1535	}
1199		1536
1200	sub find($) {	1537	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1539	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1550
1214	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1217	}	1560	}
1218	}	1561	}
1219	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1220		1576
1221	sub save($) {	1577	sub save($) {
1222	my ($pl) = @_;	1578	my ($pl) = @_;
1223		1579
1224	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1230		1586
1231	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1233		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1234	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1235	Coro::cede;	1596	cf::cede_to_tick;
1236	}	1597	}
1237		1598
1238	sub new($) {	1599	sub new($) {
1239	my ($login) = @_;	1600	my ($login) = @_;
1240		1601
…		…
1246	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1247		1608
1248	$self	1609	$self
1249	}	1610	}
1250		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1251	=item $pl->quit_character	1622	=item $pl->quit_character
1252		1623
1253	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1255		1626
…		…
1259	my ($pl) = @_;	1630	my ($pl) = @_;
1260		1631
1261	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1262		1633
1263	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1636
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1270		1642
1271	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1680	or return [];
1309		1681
1310	my @logins;	1682	my @logins;
1311		1683
1312	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1316		1694
1317	utf8::decode $login;	1695	utf8::decode $login;
1318	push @logins, $login;	1696	push @logins, $login;
1319	}	1697	}
1320		1698
1321	\@logins	1699	\@logins
1322	}	1700	}
1323		1701
1324	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1325		1705
1326	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1327	player. May block.	1707	player. May block.
1328		1708
1329	=cut	1709	=cut
…		…
1347	}	1727	}
1348		1728
1349	\@paths	1729	\@paths
1350	}	1730	}
1351		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1352	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1353		1737
1354	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1355		1739
1356	=cut	1740	=cut
1357		1741
1358	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1360		1744
1361	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1746	}
1365		1747
1366	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1367		1749
1368	Sends an ext event to the client.	1750	Sends an ext event to the client.
1369		1751
1370	=cut	1752	=cut
1371		1753
1372	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1374		1756
1375	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1376	}	1758	}
1377		1759
1378	=head3 cf::region	1760	=head3 cf::region
1379		1761
1380	=over 4	1762	=over 4
…		…
1390	=cut	1772	=cut
1391		1773
1392	sub find_by_path($) {	1774	sub find_by_path($) {
1393	my ($path) = @_;	1775	my ($path) = @_;
1394		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
1395	my ($match, $specificity);	1779	my ($match, $specificity);
1396		1780
1397	for my $region (list) {	1781	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1782	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1783	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1784	if $region->specificity > $specificity;
1401	}	1785	}
1402	}	1786	}
1403		1787
…		…
1424	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1426		1810
1427	sub generate_random_map {	1811	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1429	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1817	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1459		1846
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1848	}
1462		1849
1463	# also paths starting with '/'	1850	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1852
1466	sub thawer_merge {	1853	sub thawer_merge {
1467	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1468		1855
1469	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
…		…
1523	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1524	return $self;	1911	return $self;
1525	}	1912	}
1526	}	1913	}
1527		1914
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1916	()
1530	}	1917	}
1531		1918
1532	sub init {	1919	sub init {
1533	my ($self) = @_;	1920	my ($self) = @_;
…		…
1555		1942
1556	# the temporary/swap location	1943	# the temporary/swap location
1557	sub save_path {	1944	sub save_path {
1558	my ($self) = @_;	1945	my ($self) = @_;
1559		1946
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1562	}	1949	}
1563		1950
1564	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1565	sub uniq_path {	1952	sub uniq_path {
1566	my ($self) = @_;	1953	my ($self) = @_;
1567		1954
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1956	"$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	}	1957	}
1580		1958
1581	sub decay_objects {	1959	sub decay_objects {
1582	my ($self) = @_;	1960	my ($self) = @_;
1583		1961
…		…
1596		1974
1597	sub load_header_from($) {	1975	sub load_header_from($) {
1598	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1599		1977
1600	utf8::encode $path;	1978	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1606		1987
1607	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1608		1989
1609	1	1990	1
1610	}	1991	}
…		…
1664	sub find {	2045	sub find {
1665	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1666		2047
1667	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1668		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2052
1671	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1674	or return;	2055	or return;
1675		2056
1676	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1677		2058
…		…
1679	or return;	2060	or return;
1680		2061
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1684	$map->reset;	2067	$map->reset;
1685	undef $guard;
1686	return find $path;	2068	return find $path;
1687	}	2069	}
1688		2070
1689	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1690	}	2072	}
1691	}	2073	}
1692		2074
1693	sub pre_load { }	2075	sub pre_load { }
1694	sub post_load { }	2076	#sub post_load { } # XS
1695		2077
1696	sub load {	2078	sub load {
1697	my ($self) = @_;	2079	my ($self) = @_;
1698		2080
1699	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1700		2082
1701	my $path = $self->{path};	2083	my $path = $self->{path};
1702		2084
1703	{	2085	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1705		2087
		2088	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2090
1708	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1709		2092
1710	$self->alloc;	2093	$self->alloc;
1711		2094
1712	$self->pre_load;	2095	$self->pre_load;
1713	Coro::cede;	2096	cf::cede_to_tick;
1714		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2100	$self->_load_objects ($f)
1716	or return;	2101	or return;
1717		2102
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1719	if delete $self->{load_original};	2104	if delete $self->{load_original};
1720		2105
1721	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2107	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2110	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1726	}	2114	}
1727	}	2115	}
1728		2116
1729	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1730	# now do the right thing for maps	2120	# now do the right thing for maps
1731	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2123	unless $self->difficulty;
1734	Coro::cede;	2124	cf::cede_to_tick;
1735		2125
1736	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2127	$self->decay_objects;
1738	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
1739	$self->update_buttons;	2129	$self->update_buttons;
1740	Coro::cede;	2130	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2131	$self->activate;
1744	}	2132	}
1745		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2138	}
1748		2139
1749	$self->post_load;	2140	$self->post_load;
1750	}	2141	}
1751		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2146	sub customise_for {
1753	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1754		2148
1755	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2150	if $self->per_player;
…		…
1760		2154
1761	$self	2155	$self
1762	}	2156	}
1763		2157
1764	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2159	sub load_neighbours {
1766	my ($map) = @_;	2160	my ($map) = @_;
1767		2161
1768	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1769		2163
1770	for (0 .. 3) {	2164	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1772	or next;	2166	or next;
1773	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1774	or next;	2168	or next;
1775	$neigh->load;	2169	$neigh->load;
1776		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2175	}
1780		2176
1781	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1783	or next;	2180	or next;
1784	$neigh->load;	2181	$neigh->load;
1785	}	2182	}
1786	}	2183	}
1787		2184
…		…
1792	}	2189	}
1793		2190
1794	sub do_load_sync {	2191	sub do_load_sync {
1795	my ($map) = @_;	2192	my ($map) = @_;
1796		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1797	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1798	}	2198	}
1799		2199
1800	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1802		2202
1803	sub find_async {	2203	sub find_async {
1804	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1805		2205
1806	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1807		2207
1808	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2210	}
1811		2211
1812	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1813	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1814	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2219	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2220	$map->load if $v;
		2221	}
1819		2222
1820	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1821	}	2224	}
1822	}	2225	}
1823	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1824	};	2227	};
1825	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1826		2229
1827	()	2230	()
1828	}	2231	}
1829		2232
		2233	# common code, used by both ->save and ->swapout
1830	sub save {	2234	sub _save {
1831	my ($self) = @_;	2235	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2236
1835	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1836		2238
1837	return unless $self->dirty;	2239	return unless $self->dirty;
1838		2240
…		…
1844	return if $self->{deny_save};	2246	return if $self->{deny_save};
1845		2247
1846	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1847		2249
1848	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1850	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1851		2256
1852	if ($uniq) {	2257	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2260	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2262	}
1858	}	2263	}
1859		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1860	sub swap_out {	2273	sub swap_out {
1861	my ($self) = @_;	2274	my ($self) = @_;
1862		2275
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1868	return if $self->players;	2280	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1872	$self->clear;	2291	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2292	}
1875		2293
1876	sub reset_at {	2294	sub reset_at {
1877	my ($self) = @_;	2295	my ($self) = @_;
1878		2296
…		…
1896		2314
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2316
1899	return if $self->players;	2317	return if $self->players;
1900		2318
1901	warn "resetting map ", $self->path;	2319	warn "resetting map ", $self->path, "\n";
1902		2320
1903	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1904		2322
1905	# need to save uniques path	2323	# need to save uniques path
1906	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2328	if $uniq;
1911	}	2329	}
1912		2330
1913	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1914		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2335	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2336
1919	$self->unlink_save;	2337	$self->unlink_save;
1920	$self->destroy;	2338	$self->destroy;
1921	}	2339	}
1922		2340
1923	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1924		2342
1925	sub nuke {	2343	sub nuke {
1926	my ($self) = @_;	2344	my ($self) = @_;
1927		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1928	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1929		2350
1930	$self->unlink_save;	2351	$self->unlink_save;
1931		2352
1932	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2358
1938	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1939		2361
1940	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
1941	}	2363	}
1942		2364
1943	=item $maps = cf::map::tmp_maps	2365	=item $maps = cf::map::tmp_maps
…		…
1985		2407
1986	sub unique_maps() {	2408	sub unique_maps() {
1987	[	2409	[
1988	map {	2410	map {
1989	utf8::decode $_;	2411	utf8::decode $_;
1990	/\.map$/	2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
1991	? normalise $_	2415	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2416	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2417	]
1995	}	2418	}
1996		2419
1997	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
1998		2451
1999	=back	2452	=back
2000		2453
2001	=head3 cf::object	2454	=head3 cf::object
2002		2455
…		…
2006		2459
2007	=over 4	2460	=over 4
2008		2461
2009	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
2010		2463
2011	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
2012		2466
2013	=cut	2467	=cut
2014		2468
2015	sub inv_recursive_;	2469	sub inv_recursive_;
2016	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
2019		2473
2020	sub inv_recursive {	2474	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
2022	}	2476	}
2023		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
2024	package cf;	2506	package cf;
2025		2507
2026	=back	2508	=back
2027		2509
2028	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	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	2517	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
2037		2519
2038	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
2039		2535
2040	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2537	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
2045		2541
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2543
2048	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
2050	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
2053	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
2054	}	2569	}
2055		2570
2056	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
2057		2572
2058	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
2071		2586
2072	=item $player_object->enter_link	2587	=item $player_object->enter_link
2073		2588
2074	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
2075		2590
2076	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
2077	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
2078		2595
2079	Will never block.	2596	Will never block.
2080		2597
2081	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
2082		2599
…		…
2102	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
2103	my ($self) = @_;	2620	my ($self) = @_;
2104		2621
2105	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
2106		2623
		2624	++$self->{_link_recursion};
		2625
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2627
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
2111		2630
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2632	}
2114		2633
2115	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
2117		2636
…		…
2134	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
2136		2655
2137	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
2140		2659
2141	$map->load;	2660	$map->load;
2142	$map->load_diag;	2661	$map->load_neighbours;
2143		2662
2144	return unless $self->contr->active;	2663	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2664
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
2149	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
2150		2672
		2673	}
		2674
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2152		2676
2153	Moves the player to the given map-path and coordinates by first freezing	2677	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2678	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2679	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
2157		2685
2158	=cut	2686	=cut
2159		2687
2160	our $GOTOGEN;	2688	our $GOTOGEN;
2161		2689
2162	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
2164		2698
2165	# do generation counting so two concurrent goto's will be executed in-order	2699	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2701
2168	$self->enter_link;	2702	$self->enter_link;
2169		2703
2170	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
2171	my $map = eval {	2726	my $map = eval {
2172	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
2173		2728
2174	if ($map) {	2729	if ($map) {
2175	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
2177	} else {	2732	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2734	}
2180		2735
2181	$map	2736	$map
2182	};	2737	};
2183		2738
…		…
2188		2743
2189	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
2192	}	2747	}
		2748
		2749	$done->($self) if $done;
2193	})->prio (1);	2750	})->prio (1);
2194	}	2751	}
2195		2752
2196	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
2197		2754
…		…
2217	}	2774	}
2218		2775
2219	sub prepare_random_map {	2776	sub prepare_random_map {
2220	my ($exit) = @_;	2777	my ($exit) = @_;
2221		2778
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2781	# that depends on the exit object
2227		2782
2228	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2785	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2235	}	2792	}
2236		2793
2237	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2238		2795
2239	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2242		2799
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2802	undef $fh;
2246	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2247		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2250	}	2811	}
2251	}	2812	}
2252		2813
2253	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2255		2816
2256	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2257		2818
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2819	$self->enter_link;
2270		2820
2271	(async {	2821	(async {
2272	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2273	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2274	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2275		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2276	1;	2845	1
2277	}) {	2846	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2851
2283	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2302		2871
2303	utf8::encode $text;	2872	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2874	}
2306		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2307	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2308		3064
2309	Sends an exti event to the client.	3065	Sends an ext event to the client.
2310		3066
2311	=cut	3067	=cut
2312		3068
2313	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2315		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2318	}	3096	}
2319		3097
2320	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2321		3099
2322	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3103
2326	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3105	become reliable at some point in the future.
2328		3106
2329	=cut	3107	=cut
2330		3108
2331	sub cf::client::query {	3109	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3118	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3120
2343	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2345	}	3125	}
2346		3126
2347	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
2348	on_reply => sub {	3133	on_reply => sub {
2349	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2350		3135
2351	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2352	# get handled first	3137	# get handled first
…		…
2364	} else {	3149	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3151	}
2367	}	3152	}
2368	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
2369	);	3180	);
2370		3181
2371	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2372		3183
2373	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3200
2390	$coro	3201	$coro
2391	}	3202	}
2392		3203
2393	cf::client->attach (	3204	cf::client->attach (
2394	on_destroy => sub {	3205	on_client_destroy => sub {
2395	my ($ns) = @_;	3206	my ($ns) = @_;
2396		3207
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3209	},
2399	);	3210	);
…		…
2414	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2416		3227
2417	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2418		3229
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2420		3235
2421	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2422		3237
2423	=pod	3238	=pod
2424		3239
2425	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2426		3241
2427	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
2428	cf::object::player player	3247	cf::object::player
2429	cf::player peaceful	3248	player
2430	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2431		3255
2432	=cut	3256	=cut
2433		3257
2434	for (	3258	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2439	) {	3265	) {
2440	no strict 'refs';	3266	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2460		3286
2461	my $qcode = $code;	3287	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2464		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2465	local $_;	3294	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3295
2468	my $eval =	3296	my $eval =
2469	"do {\n"	3297	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3300	. $code
2473	. "\n}"	3301	. "\n}"
2474	;	3302	;
2475		3303
		3304	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2479		3313
2480	if ($@) {	3314	if ($@) {
2481	warn "$@";	3315	warn "$@";
2482	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2483	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2502	=cut	3336	=cut
2503		3337
2504	sub register_script_function {	3338	sub register_script_function {
2505	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2506		3340
2507	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2509	}	3343	}
2510		3344
2511	=back	3345	=back
2512		3346
2513	=cut	3347	=cut
…		…
2515	#############################################################################	3349	#############################################################################
2516	# the server's init and main functions	3350	# the server's init and main functions
2517		3351
2518	sub load_facedata($) {	3352	sub load_facedata($) {
2519	my ($path) = @_;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2520		3360
2521	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2522		3362
2523	my $facedata;	3363	my $facedata;
2524	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2528		3368
2529	$facedata->{version} == 2	3369	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
2532	{	3381	{
2533	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2534		3383
2535	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3391
		3392	cf::cede_to_tick;
2541	}	3393	}
2542		3394
2543	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2545	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2546	or next;	3399	or next;
		3400
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3404	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3406	}
2552	Coro::cede;	3407
		3408	cf::cede_to_tick;
2553	}	3409	}
2554	}	3410	}
2555		3411
2556	{	3412	{
2557	my $anims = $facedata->{animinfo};	3413	my $anims = $facedata->{animinfo};
2558		3414
2559	while (my ($anim, $info) = each %$anims) {	3415	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3417	cf::cede_to_tick;
2562	}	3418	}
2563		3419
2564	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2565	}	3421	}
2566		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2567	1	3442	1
2568	}	3443	}
2569		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2570	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2571	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2573	}	3475	}
2574		3476
2575	sub reload_facedata {	3477	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2585	sub reload_treasures {	3487	sub reload_treasures {
2586	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2587	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2588	}	3490	}
2589		3491
		3492	sub reload_sound {
		3493	warn "loading sound config from $DATADIR/sound\n";
		3494
		3495	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3496	or die "$DATADIR/sound $!";
		3497
		3498	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3499
		3500	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3501	my $sound = $soundconf->{compat}[$_]
		3502	or next;
		3503
		3504	my $face = cf::face::find "sound/$sound->[1]";
		3505	cf::sound::set $sound->[0] => $face;
		3506	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3507	}
		3508
		3509	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3510	my $face = cf::face::find "sound/$v";
		3511	cf::sound::set $k => $face;
		3512	}
		3513	}
		3514
2590	sub reload_resources {	3515	sub reload_resources {
2591	warn "reloading resource files...\n";	3516	warn "reloading resource files...\n";
2592		3517
		3518	reload_facedata;
		3519	reload_sound;
		3520	reload_archetypes;
2593	reload_regions;	3521	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3522	reload_treasures;
2598		3523
2599	warn "finished reloading resource files\n";	3524	warn "finished reloading resource files\n";
2600	}	3525	}
2601		3526
2602	sub init {	3527	sub reload_config {
2603	reload_resources;	3528	warn "reloading config file...\n";
2604	}
2605		3529
2606	sub cfg_load {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3530	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3531	or return;
2609		3532
2610	local $/;	3533	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3534	*CFG = YAML::XS::Load scalar <$fh>;
2612		3535
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3536	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3537
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3538	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3539	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2617		3540
2618	if (exists $CFG{mlockall}) {	3541	if (exists $CFG{mlockall}) {
…		…
2620	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3543	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2621	and die "WARNING: m(un)lockall failed: $!\n";	3544	and die "WARNING: m(un)lockall failed: $!\n";
2622	};	3545	};
2623	warn $@ if $@;	3546	warn $@ if $@;
2624	}	3547	}
		3548
		3549	warn "finished reloading resource files\n";
		3550	}
		3551
		3552	sub pidfile() {
		3553	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3554	or die "$PIDFILE: $!";
		3555	flock $fh, &Fcntl::LOCK_EX
		3556	or die "$PIDFILE: flock: $!";
		3557	$fh
		3558	}
		3559
		3560	# make sure only one server instance is running at any one time
		3561	sub atomic {
		3562	my $fh = pidfile;
		3563
		3564	my $pid = <$fh>;
		3565	kill 9, $pid if $pid > 0;
		3566
		3567	seek $fh, 0, 0;
		3568	print $fh $$;
		3569	}
		3570
		3571	sub main_loop {
		3572	warn "EV::loop starting\n";
		3573	if (1) {
		3574	EV::loop;
		3575	}
		3576	warn "EV::loop returned\n";
		3577	goto &main_loop unless $REALLY_UNLOOP;
2625	}	3578	}
2626		3579
2627	sub main {	3580	sub main {
		3581	cf::init_globals; # initialise logging
		3582
		3583	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3584	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3585	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3586	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3587
		3588	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3589
2628	# we must not ever block the main coroutine	3590	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3591	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3592	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3593	(async {
2632	Event::one_event;	3594	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3595	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3596	})->prio (Coro::PRIO_MAX);
2634	};	3597	};
2635		3598
2636	cfg_load;	3599	evthread_start IO::AIO::poll_fileno;
		3600
		3601	cf::sync_job {
		3602	cf::init_experience;
		3603	cf::init_anim;
		3604	cf::init_attackmess;
		3605	cf::init_dynamic;
		3606
		3607	cf::load_settings;
		3608	cf::load_materials;
		3609
		3610	reload_resources;
		3611	reload_config;
2637	db_init;	3612	db_init;
		3613
		3614	cf::init_uuid;
		3615	cf::init_signals;
		3616	cf::init_skills;
		3617
		3618	cf::init_beforeplay;
		3619
		3620	atomic;
		3621
2638	load_extensions;	3622	load_extensions;
2639		3623
2640	$TICK_WATCHER->start;	3624	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3625
		3626	# no (long-running) fork's whatsoever before this point(!)
		3627	use POSIX ();
		3628	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3629
		3630	(pop @POST_INIT)->(0) while @POST_INIT;
		3631	};
		3632
		3633	cf::object::thawer::errors_are_fatal 0;
		3634	warn "parse errors in files are no longer fatal from this point on.\n";
		3635
		3636	main_loop;
2642	}	3637	}
2643		3638
2644	#############################################################################	3639	#############################################################################
2645	# initialisation and cleanup	3640	# initialisation and cleanup
2646		3641
2647	# install some emergency cleanup handlers	3642	# install some emergency cleanup handlers
2648	BEGIN {	3643	BEGIN {
		3644	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3645	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3646	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3647	cf::cleanup "SIG$signal";
2657	},
2658	);	3648	};
2659	}	3649	}
2660	}	3650	}
2661		3651
2662	sub write_runtime {	3652	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3653	my $t0 = AE::time;
2664		3654
2665	# first touch the runtime file to show we are still running:	3655	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3656	# the fsync below can take a very very long time.
2667		3657
2668	IO::AIO::aio_utime $runtime, undef, undef;	3658	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3659
2670	my $guard = cf::lock_acquire "write_runtime";	3660	my $guard = cf::lock_acquire "write_runtime";
2671		3661
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3662	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3663	or return;
2674		3664
2675	my $value = $cf::RUNTIME + 90 + 10;	3665	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3666	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3667	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3677	aio_utime $fh, undef, undef;
2688		3678
2689	close $fh	3679	close $fh
2690	or return;	3680	or return;
2691		3681
2692	aio_rename "$runtime~", $runtime	3682	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3683	and return;
2694		3684
2695	warn "runtime file written.\n";	3685	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3686
2697	1	3687	1
		3688	}
		3689
		3690	our $uuid_lock;
		3691	our $uuid_skip;
		3692
		3693	sub write_uuid_sync($) {
		3694	$uuid_skip ||= $_[0];
		3695
		3696	return if $uuid_lock;
		3697	local $uuid_lock = 1;
		3698
		3699	my $uuid = "$LOCALDIR/uuid";
		3700
		3701	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3702	or return;
		3703
		3704	my $value = uuid_seq uuid_cur;
		3705
		3706	unless ($value) {
		3707	warn "cowardly refusing to write zero uuid value!\n";
		3708	return;
		3709	}
		3710
		3711	my $value = uuid_str $value + $uuid_skip;
		3712	$uuid_skip = 0;
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	close $fh
		3722	or return;
		3723
		3724	aio_rename "$uuid~", $uuid
		3725	and return;
		3726
		3727	warn "uuid file written ($value).\n";
		3728
		3729	1
		3730
		3731	}
		3732
		3733	sub write_uuid($$) {
		3734	my ($skip, $sync) = @_;
		3735
		3736	$sync ? write_uuid_sync $skip
		3737	: async { write_uuid_sync $skip };
2698	}	3738	}
2699		3739
2700	sub emergency_save() {	3740	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3741	my $freeze_guard = cf::freeze_mainloop;
2702		3742
2703	warn "enter emergency perl save\n";	3743	warn "emergency_perl_save: enter\n";
2704		3744
2705	cf::sync_job {	3745	cf::sync_job {
		3746	# this is a trade-off: we want to be very quick here, so
		3747	# save all maps without fsync, and later call a global sync
		3748	# (which in turn might be very very slow)
		3749	local $USE_FSYNC = 0;
		3750
2706	# use a peculiar iteration method to avoid tripping on perl	3751	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3752	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3753	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3754	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3755	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3756	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3757	$pl->valid or next;
		3758	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3759	$pl->save;
2714	}	3760	}
2715	warn "end emergency player save\n";	3761	warn "emergency_perl_save: end player save\n";
2716		3762
2717	warn "begin emergency map save\n";	3763	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3764	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3765	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3766	$map->valid or next;
2721	$map->save;	3767	$map->save;
2722	}	3768	}
2723	warn "end emergency map save\n";	3769	warn "emergency_perl_save: end map save\n";
2724		3770
2725	warn "begin emergency database checkpoint\n";	3771	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3772	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3773	warn "emergency_perl_save: end database checkpoint\n";
		3774
		3775	warn "emergency_perl_save: begin write uuid\n";
		3776	write_uuid_sync 1;
		3777	warn "emergency_perl_save: end write uuid\n";
2728	};	3778	};
2729		3779
		3780	warn "emergency_perl_save: starting sync()\n";
		3781	IO::AIO::aio_sync sub {
		3782	warn "emergency_perl_save: finished sync()\n";
		3783	};
		3784
2730	warn "leave emergency perl save\n";	3785	warn "emergency_perl_save: leave\n";
2731	}	3786	}
2732		3787
2733	sub post_cleanup {	3788	sub post_cleanup {
2734	my ($make_core) = @_;	3789	my ($make_core) = @_;
2735		3790
2736	warn Carp::longmess "post_cleanup backtrace"	3791	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3792	if $make_core;
		3793
		3794	my $fh = pidfile;
		3795	unlink $PIDFILE if <$fh> == $$;
		3796	}
		3797
		3798	# a safer delete_package, copied from Symbol
		3799	sub clear_package($) {
		3800	my $pkg = shift;
		3801
		3802	# expand to full symbol table name if needed
		3803	unless ($pkg =~ /^main::.*::$/) {
		3804	$pkg = "main$pkg" if $pkg =~ /^::/;
		3805	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3806	$pkg .= '::' unless $pkg =~ /::$/;
		3807	}
		3808
		3809	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3810	my $stem_symtab = *{$stem}{HASH};
		3811
		3812	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3813	or return;
		3814
		3815	# clear all symbols
		3816	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3817	for my $name (keys %$leaf_symtab) {
		3818	_gv_clear *{"$pkg$name"};
		3819	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3820	}
2738	}	3821	}
2739		3822
2740	sub do_reload_perl() {	3823	sub do_reload_perl() {
2741	# can/must only be called in main	3824	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3825	if (in_main) {
2743	warn "can only reload from main coroutine";	3826	warn "can only reload from main coroutine";
2744	return;	3827	return;
2745	}	3828	}
2746		3829
		3830	return if $RELOAD++;
		3831
		3832	my $t1 = AE::time;
		3833
		3834	while ($RELOAD) {
2747	warn "reloading...";	3835	warn "reloading...";
2748		3836
2749	warn "entering sync_job";	3837	warn "entering sync_job";
2750		3838
2751	cf::sync_job {	3839	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3841	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3842	cf::write_runtime_sync; # external watchdog should not bark
2755		3843
2756	warn "syncing database to disk";	3844	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3845	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3846
2759	# if anything goes wrong in here, we should simply crash as we already saved	3847	# if anything goes wrong in here, we should simply crash as we already saved
2760		3848
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3849	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3850	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3851	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3852	}
2797		3853
2798	warn "... nuking $pkg";	3854	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3855	$_->cancel for values %EXT_CORO;
2800	}	3856	%EXT_CORO = ();
2801		3857
2802	warn "unloading all perl modules loaded from $LIBDIR";	3858	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3859	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3860
		3861	warn "removing ext/exti commands";
		3862	%EXTCMD = ();
		3863	%EXTICMD = ();
		3864
		3865	warn "unloading/nuking all extensions";
		3866	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3867	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3868
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3869	if (my $cb = $pkg->can ("unload")) {
		3870	eval {
2813	$cb->();	3871	$cb->($pkg);
		3872	1
		3873	} or warn "$pkg unloaded, but with errors: $@";
		3874	}
		3875
		3876	warn "... clearing $pkg";
		3877	clear_package $pkg;
2814	}	3878	}
2815		3879
2816	Symbol::delete_package $k;	3880	warn "unloading all perl modules loaded from $LIBDIR";
		3881	while (my ($k, $v) = each %INC) {
		3882	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3883
		3884	warn "... unloading $k";
		3885	delete $INC{$k};
		3886
		3887	$k =~ s/\.pm$//;
		3888	$k =~ s/\//::/g;
		3889
		3890	if (my $cb = $k->can ("unload_module")) {
		3891	$cb->();
		3892	}
		3893
		3894	clear_package $k;
2817	}	3895	}
2818		3896
2819	warn "getting rid of safe::, as good as possible";	3897	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3898	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3899	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3900
2823	warn "unloading cf.pm \"a bit\"";	3901	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3902	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3903	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3904
2827	# don't, removes xs symbols, too,	3905	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3906	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3907	#clear_package __PACKAGE__;
2830		3908
2831	warn "unload completed, starting to reload now";	3909	warn "unload completed, starting to reload now";
2832		3910
2833	warn "reloading cf.pm";	3911	warn "reloading cf.pm";
2834	require cf;	3912	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3913	cf::_connect_to_perl_1;
2836		3914
2837	warn "loading config and database again";	3915	warn "loading config and database again";
2838	cf::cfg_load;	3916	cf::reload_config;
2839		3917
2840	warn "loading extensions";	3918	warn "loading extensions";
2841	cf::load_extensions;	3919	cf::load_extensions;
2842		3920
		3921	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3922	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3923	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3924	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3925	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3926	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3927	reattach $_ for values %PLAYER;
		3928	}
2849		3929
		3930	warn "running post_init jobs";
		3931	(pop @POST_INIT)->(1) while @POST_INIT;
		3932
2850	warn "leaving sync_job";	3933	warn "leaving sync_job";
2851		3934
2852	1	3935	1
2853	} or do {	3936	} or do {
2854	warn $@;	3937	warn $@;
2855	warn "error while reloading, exiting.";	3938	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3939	};
2858		3940
2859	warn "reloaded";	3941	warn "reloaded";
		3942	--$RELOAD;
		3943	}
		3944
		3945	$t1 = AE::time - $t1;
		3946	warn "reload completed in ${t1}s\n";
2860	};	3947	};
2861		3948
2862	our $RELOAD_WATCHER; # used only during reload	3949	our $RELOAD_WATCHER; # used only during reload
2863		3950
2864	sub reload_perl() {	3951	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3952	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3953	# coro crashes during coro_state_free->destroy here.
2867		3954
2868	$RELOAD_WATCHER ||= Event->timer (	3955	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3956	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3957
2871	data => WF_AUTOCANCEL,	3958	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3959	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3960	undef $RELOAD_WATCHER;
2875	},	3961	};
2876	);	3962	};
2877	}	3963	}
2878		3964
2879	register_command "reload" => sub {	3965	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3966	my ($who, $arg) = @_;
2881		3967
2882	if ($who->flag (FLAG_WIZ)) {	3968	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3969	$who->message ("reloading server.");
		3970	async {
		3971	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3972	reload_perl;
		3973	};
2885	}	3974	}
2886	};	3975	};
2887		3976
2888	unshift @INC, $LIBDIR;	3977	unshift @INC, $LIBDIR;
2889		3978
…		…
2891		3980
2892	our @WAIT_FOR_TICK;	3981	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3982	our @WAIT_FOR_TICK_BEGIN;
2894		3983
2895	sub wait_for_tick {	3984	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3985	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3986
2899	my $signal = new Coro::Signal;	3987	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3988	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3989	$signal->wait;
2902	}	3990	}
2903		3991
2904	sub wait_for_tick_begin {	3992	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3993	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3994
2908	my $signal = new Coro::Signal;	3995	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3996	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3997	$signal->wait;
2911	}	3998	}
2912		3999
2913	my $min = 1e6;#d#	4000	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4001	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4002	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4003	unless ++$bug_warning > 10;
2925	return;	4004	return;
2926	}	4005	}
2927		4006
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4007	cf::server_tick; # one server iteration
2931		4008
2932	0 && sync_job {#d#	4009	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4010
2938	$map->width (50);	4011	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4012	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4013	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4014	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4015	write_runtime_sync
2943		4016	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4017	};
		4018	}
2954		4019
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4020	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4021	$sig->send;
2971	}	4022	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4023	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4024	$sig->send;
2974	}	4025	}
2975		4026
2976	$NOW = Event::time;	4027	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4028	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4029
2987	_post_tick;	4030	if (0) {
2988		4031	if ($NEXT_TICK) {
2989		4032	my $jitter = $TICK_START - $NEXT_TICK;
		4033	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4034	warn "jitter $JITTER\n";#d#
		4035	}
2990	},	4036	}
2991	);	4037	}
2992		4038
2993	{	4039	{
2994	BDB::max_poll_time $TICK * 0.1;	4040	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4041
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4042	BDB::min_parallel 16;
3004		4043	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4044	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4045
3020	unless ($DB_ENV) {	4046	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4047	$DB_ENV = BDB::db_env_create;
		4048	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4049	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4050	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4051	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4052	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4053
3023	cf::sync_job {	4054	cf::sync_job {
3024	eval {	4055	eval {
3025	BDB::db_env_open	4056	BDB::db_env_open
3026	$DB_ENV,	4057	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4059	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4060	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4061	0666;
3031		4062
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4063	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4064	};
3037		4065
3038	cf::cleanup "db_env_open(db): $@" if $@;	4066	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4067	};
3040	}	4068	}
		4069
		4070	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4071	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4072	};
		4073	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4074	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4075	};
		4076	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4077	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4078	};
3041	}	4079	}
3042		4080
3043	{	4081	{
		4082	# configure IO::AIO
		4083
3044	IO::AIO::min_parallel 8;	4084	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4085	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4086	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4087	}
3057		4088
3058	my $_log_backtrace;	4089	my $_log_backtrace;
3059		4090
3060	sub _log_backtrace {	4091	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4094	$msg =~ s/\n//;
3064		4095
3065	# limit the # of concurrent backtraces	4096	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4097	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4098	++$_log_backtrace;
		4099	my $perl_bt = Carp::longmess $msg;
3068	async {	4100	async {
		4101	$Coro::current->{desc} = "abt $msg";
		4102
3069	my @bt = fork_call {	4103	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4104	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4105	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4106	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4107	or die "addr2line: $!";
…		…
3081	}	4115	}
3082		4116
3083	@funcs	4117	@funcs
3084	};	4118	};
3085		4119
3086	LOG llevInfo, "[ABT] $msg\n";	4120	LOG llevInfo, "[ABT] $perl_bt\n";
		4121	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4122	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4123	--$_log_backtrace;
3089	};	4124	};
3090	} else {	4125	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4126	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4127	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4128	}
3094	}	4129	}
3095		4130
3096	# load additional modules	4131	# load additional modules
3097	use cf::pod;	4132	require "cf/$_.pm" for @EXTRA_MODULES;
		4133	cf::_connect_to_perl_2;
3098		4134
3099	END { cf::emergency_save }	4135	END { cf::emergency_save }
3100		4136
3101	1	4137	1
3102		4138

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