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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.530 by root, Wed Apr 28 21:05:33 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	};
		306
		307	#############################################################################
211		308
212	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
213		310
214	=over 4	311	=over 4
215		312
…		…
234	$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;
235	$d	332	$d
236	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
237	}	334	}
238		335
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
242		337
243	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
244		339
245	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
246		341
247	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
248		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
249	=item cf::lock_wait $string	365	=item cf::lock_wait $string
250		366
251	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
252		368
253	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
254		370
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
258	returned.	374	returned.
259		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
260	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
261	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
262		381
263	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
264		383
265	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.
266		385
267	=cut	386	=cut
268		387
269	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
270		389
271	sub lock_wait($) {	390	sub lock_wait($) {
272	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	392	}
280		393
281	sub lock_acquire($) {	394	sub lock_acquire($) {
282	my ($key) = @_;	395	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	396	}
294		397
295	sub lock_active($) {	398	sub lock_active($) {
296	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	400	}
300		401
301	sub freeze_mainloop {	402	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
303		404
304	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
305	$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($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
306	};	472	}
307	$TICK_WATCHER->stop;	473	};
308	$guard	474
		475	sub get_slot($;$$) {
		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	$sig->wait;
309	}	488	}
310		489
311	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
312		491
313	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		497
319	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
320		499
321	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
322		501
323	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
326		506
327	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
330	fast or be very important.	510	fast or be very important.
…		…
333		513
334	sub sync_job(&) {	514	sub sync_job(&) {
335	my ($job) = @_;	515	my ($job) = @_;
336		516
337	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	518	my $time = AE::time;
339		519
340	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
342		522
343	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	524
345	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
346		526
347	my $busy = 1;	527	my $busy = 1;
348	my @res;	528	my @res;
349		529
350	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	532	@res = eval { $job->() };
352	warn $@ if $@;	533	warn $@ if $@;
353	undef $busy;	534	undef $busy;
354	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
355		536
356	while ($busy) {	537	while ($busy) {
357	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
358	}	542	}
		543	}
359		544
360	$time = Event::time - $time;	545	my $time = AE::time - $time;
361		546
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
366		548
367	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
368	} else {	550	} else {
369	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
370		552
…		…
390	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
391		573
392	$coro	574	$coro
393	}	575	}
394		576
395	sub write_runtime {	577	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		578
398	# first touch the runtime file to show we are still running:	579	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
400		583
401	IO::AIO::aio_utime $runtime, undef, undef;	584	=cut
402		585
403	my $guard = cf::lock_acquire "write_runtime";	586	sub fork_call(&@) {
		587	my ($cb, @args) = @_;
404		588
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	589	# we seemingly have to make a local copy of the whole thing,
406	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
407		592
408	my $value = $cf::RUNTIME + 90 + 10;	593	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	594	reset_signals;
410	# 60 allows for the watchdog to kill the server.	595	&$cb
		596	}, @args;
411		597
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	598	wantarray ? @res : $res[-1]
413	and return;	599	}
414		600
415	# always fsync - this file is important	601	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	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
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		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	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
431	}	764	}
432		765
433	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
434		767
435	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		780
448	#############################################################################	781	#############################################################################
449		782
450	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
451		784
452	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
453	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")
454	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
455		788
456	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>
457	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
458	crossfire+).	791	Deliantra).
459		792
460	=over 4	793	=over 4
461		794
462	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
463		796
…		…
507	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
508		841
509	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
511		844
512	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
513	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.
514		847
515	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
516		849
517	=over 4	850	=over 4
…		…
665	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
666	}	999	}
667		1000
668	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
669	} else {	1002	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	1004	}
672		1005
673	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
674	}	1007	}
675		1008
…		…
715	";	1048	";
716	die if $@;	1049	die if $@;
717	}	1050	}
718		1051
719	our $override;	1052	our $override;
720	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?
721		1054
722	sub override {	1055	sub override {
723	$override = 1;	1056	$override = 1;
724	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
725	}	1058	}
726		1059
727	sub do_invoke {	1060	sub do_invoke {
728	my $event = shift;	1061	my $event = shift;
729	my $callbacks = shift;	1062	my $callbacks = shift;
730		1063
731	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
732		1065
733	local $override;	1066	local $override;
734		1067
735	for (@$callbacks) {	1068	for (@$callbacks) {
736	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
745	}	1078	}
746		1079
747	0	1080	0
748	}	1081	}
749		1082
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1084
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1086
754	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
755		1088
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1092
760	=back	1093	=back
761		1094
762	=cut	1095	=cut
763		1096
764	#############################################################################	1097	#############################################################################
765	# 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, $ob2
		1140	}
766		1141
767	sub reattach {	1142	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1144	my ($obj) = @_;
770		1145
		1146	# no longer needed after getting rid of delete_package?
771	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
772		1148
773	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
774		1150
775	@$registry = ();	1151	@$registry = ();
776		1152
…		…
791	cf::attachable->attach (	1167	cf::attachable->attach (
792	prio => -1000000,	1168	prio => -1000000,
793	on_instantiate => sub {	1169	on_instantiate => sub {
794	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
795		1171
796	$data = from_json $data;	1172	$data = decode_json $data;
797		1173
798	for (@$data) {	1174	for (@$data) {
799	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
800		1176
801	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1193	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
819		1195
820	sync_job {	1196	sync_job {
821	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
824		1202
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1210	aio_close $fh;
830		1211
831	if (@$objs) {	1212	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1221	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
839	}	1223	}
840	} else {	1224	} else {
841	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
842	}	1226	}
843		1227
844	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1232	} else {
846	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
847	}	1234	}
848	} else {	1235	} else {
849	aio_unlink $filename;	1236	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
851	}	1238	}
852	}	1239	};
853	}	1240	}
854		1241
855	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
857		1244
…		…
869	or return;	1256	or return;
870		1257
871	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
873	or return;	1260	or return;
		1261
874	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
875	}	1264	}
876		1265
		1266	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
879	return ($data, $av);	1271	($data, $av)
880	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
881		1279
882	#############################################################################	1280	#############################################################################
883	# command handling &c	1281	# command handling &c
884		1282
885	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1297	}
900		1298
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1300
903	Register a callbackf ro 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.
904		1306
905	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
906	called.	1308	called.
907		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
908	=cut	1321	=cut
909		1322
910	sub register_extcmd {	1323	sub register_extcmd {
911	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
912		1325
913	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
914	}	1327	}
915		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
916	cf::player->attach (	1337	cf::player->attach (
917	on_command => sub {	1338	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
919		1340
920	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
921	or return;	1342	or return;
922		1343
…		…
927	cf::override;	1348	cf::override;
928	},	1349	},
929	on_extcmd => sub {	1350	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
931		1352
932	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1354
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
940	} else {	1370	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1372	}
943		1373
944	cf::override;	1374	cf::override;
945	},	1375	},
946	);	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	}
947		1390
948	sub load_extensions {	1391	sub load_extensions {
949	cf::sync_job {	1392	cf::sync_job {
950	my %todo;	1393	my %todo;
951		1394
…		…
967	path => $path,	1410	path => $path,
968	base => $base,	1411	base => $base,
969	pkg => $pkg,	1412	pkg => $pkg,
970	);	1413	);
971		1414
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1417
975	$ext{source} =	1418	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
978	. $source	1421	. $source
979	. "\n};\n1";	1422	. "\n};\n1";
980		1423
981	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
982	}	1425	}
983		1426
		1427	my $pass = 0;
984	my %done;	1428	my %done;
985	while (%todo) {	1429	while (%todo) {
986	my $progress;	1430	my $progress;
987		1431
		1432	++$pass;
		1433
		1434	ext:
988	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1437	next ext
991	unless exists $done{$_};	1438	unless exists $done{$_};
992	}	1439	}
993		1440
994	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1442
996	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1449	if exists $v->{meta}{mandatory};
1001	warn $msg;	1450
1002	warn "mandatory extension failed to load, exiting.\n";	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1452	delete $todo{$k};
1004	}	1453	} else {
1005		1454	$done{$k} = delete $todo{$k};
1006	die $msg;	1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1007	}	1460	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1461	}
1012		1462
1013	skip:	1463	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	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	}
1016	}	1471	}
1017	};	1472	};
1018	}	1473	}
1019		1474
1020	#############################################################################	1475	#############################################################################
1021		1476
		1477	=back
		1478
1022	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1023		1480
1024	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1025		1482
1026	=cut	1483	=cut
1027		1484
1028	package cf::player;	1485	package cf::player;
1029		1486
1030	use Coro::AIO;	1487	use Coro::AIO;
1031		1488
1032	=head3 cf::player	1489	=head3 cf::player
1033		1490
1034	=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	}
1035		1506
1036	=item cf::player::find $login	1507	=item cf::player::find $login
1037		1508
1038	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1039		1510
…		…
1058		1529
1059	sub exists($) {	1530	sub exists($) {
1060	my ($login) = @_;	1531	my ($login) = @_;
1061		1532
1062	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1064	}	1535	}
1065		1536
1066	sub find($) {	1537	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1539	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1550
1080	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1083	}	1560	}
1084	}	1561	}
1085	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($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	);
1086		1576
1087	sub save($) {	1577	sub save($) {
1088	my ($pl) = @_;	1578	my ($pl) = @_;
1089		1579
1090	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1096		1586
1097	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1099		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
1100	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1101	Coro::cede;	1596	cf::cede_to_tick;
1102	}	1597	}
1103		1598
1104	sub new($) {	1599	sub new($) {
1105	my ($login) = @_;	1600	my ($login) = @_;
1106		1601
…		…
1112	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1113		1608
1114	$self	1609	$self
1115	}	1610	}
1116		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
1117	=item $pl->quit_character	1622	=item $pl->quit_character
1118		1623
1119	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1121		1626
…		…
1125	my ($pl) = @_;	1630	my ($pl) = @_;
1126		1631
1127	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1128		1633
1129	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1130	$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
1131		1636
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1136		1642
1137	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1680	or return [];
1175		1681
1176	my @logins;	1682	my @logins;
1177		1683
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1182		1694
1183	utf8::decode $login;	1695	utf8::decode $login;
1184	push @logins, $login;	1696	push @logins, $login;
1185	}	1697	}
1186		1698
1187	\@logins	1699	\@logins
1188	}	1700	}
1189		1701
1190	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1191		1705
1192	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1193	player. May block.	1707	player. May block.
1194		1708
1195	=cut	1709	=cut
…		…
1213	}	1727	}
1214		1728
1215	\@paths	1729	\@paths
1216	}	1730	}
1217		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1218	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1219		1737
1220	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1221		1739
1222	=cut	1740	=cut
1223		1741
1224	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1226		1744
1227	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1746	}
1231		1747
1232	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1233		1749
1234	Sends an ext event to the client.	1750	Sends an ext event to the client.
1235		1751
1236	=cut	1752	=cut
1237		1753
1238	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1240		1756
1241	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1242	}	1758	}
1243		1759
1244	=head3 cf::region	1760	=head3 cf::region
1245		1761
1246	=over 4	1762	=over 4
…		…
1249		1765
1250	package cf::region;	1766	package cf::region;
1251		1767
1252	=item cf::region::find_by_path $path	1768	=item cf::region::find_by_path $path
1253		1769
1254	Tries to decuce the probable region for a map knowing only its path.	1770	Tries to decuce the likely region for a map knowing only its path.
1255		1771
1256	=cut	1772	=cut
1257		1773
1258	sub find_by_path($) {	1774	sub find_by_path($) {
1259	my ($path) = @_;	1775	my ($path) = @_;
1260		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
1261	my ($match, $specificity);	1779	my ($match, $specificity);
1262		1780
1263	for my $region (list) {	1781	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1782	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1783	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1784	if $region->specificity > $specificity;
1267	}	1785	}
1268	}	1786	}
1269		1787
…		…
1290	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1292		1810
1293	sub generate_random_map {	1811	sub generate_random_map {
1294	my ($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
1295	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1817	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1325		1846
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1848	}
1328		1849
1329	# also paths starting with '/'	1850	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1852
1332	sub thawer_merge {	1853	sub thawer_merge {
1333	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1334		1855
1335	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
…		…
1389	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1390	return $self;	1911	return $self;
1391	}	1912	}
1392	}	1913	}
1393		1914
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1916	()
1396	}	1917	}
1397		1918
1398	sub init {	1919	sub init {
1399	my ($self) = @_;	1920	my ($self) = @_;
…		…
1421		1942
1422	# the temporary/swap location	1943	# the temporary/swap location
1423	sub save_path {	1944	sub save_path {
1424	my ($self) = @_;	1945	my ($self) = @_;
1425		1946
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1428	}	1949	}
1429		1950
1430	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1431	sub uniq_path {	1952	sub uniq_path {
1432	my ($self) = @_;	1953	my ($self) = @_;
1433		1954
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1956	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1957	}
1446		1958
1447	sub decay_objects {	1959	sub decay_objects {
1448	my ($self) = @_;	1960	my ($self) = @_;
1449		1961
…		…
1462		1974
1463	sub load_header_from($) {	1975	sub load_header_from($) {
1464	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1465		1977
1466	utf8::encode $path;	1978	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	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;
1472		1987
1473	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1474		1989
1475	1	1990	1
1476	}	1991	}
…		…
1530	sub find {	2045	sub find {
1531	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1532		2047
1533	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1534		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2052
1537	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1540	or return;	2055	or return;
1541		2056
1542	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1543		2058
…		…
1545	or return;	2060	or return;
1546		2061
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1550	$map->reset;	2067	$map->reset;
1551	undef $guard;
1552	return find $path;	2068	return find $path;
1553	}	2069	}
1554		2070
1555	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1556	}	2072	}
1557	}	2073	}
1558		2074
1559	sub pre_load { }	2075	sub pre_load { }
1560	sub post_load { }	2076	#sub post_load { } # XS
1561		2077
1562	sub load {	2078	sub load {
1563	my ($self) = @_;	2079	my ($self) = @_;
1564		2080
1565	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1566		2082
1567	my $path = $self->{path};	2083	my $path = $self->{path};
1568		2084
1569	{	2085	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1571		2087
		2088	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2090
1574	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1575		2092
1576	$self->alloc;	2093	$self->alloc;
1577		2094
1578	$self->pre_load;	2095	$self->pre_load;
1579	Coro::cede;	2096	cf::cede_to_tick;
1580		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2100	$self->_load_objects ($f)
1582	or return;	2101	or return;
1583		2102
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1585	if delete $self->{load_original};	2104	if delete $self->{load_original};
1586		2105
1587	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2107	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2110	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1592	}	2114	}
1593	}	2115	}
1594		2116
1595	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1596	# now do the right thing for maps	2120	# now do the right thing for maps
1597	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2123	unless $self->difficulty;
1600	Coro::cede;	2124	cf::cede_to_tick;
1601		2125
1602	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2127	$self->decay_objects;
1604	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
1605	$self->update_buttons;	2129	$self->update_buttons;
1606	Coro::cede;	2130	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2131	$self->activate;
1610	}	2132	}
1611		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2138	}
1614		2139
1615	$self->post_load;	2140	$self->post_load;
1616	}	2141	}
1617		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2146	sub customise_for {
1619	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1620		2148
1621	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2150	if $self->per_player;
…		…
1626		2154
1627	$self	2155	$self
1628	}	2156	}
1629		2157
1630	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2159	sub load_neighbours {
1632	my ($map) = @_;	2160	my ($map) = @_;
1633		2161
1634	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1635		2163
1636	for (0 .. 3) {	2164	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1638	or next;	2166	or next;
1639	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1640	or next;	2168	or next;
1641	$neigh->load;	2169	$neigh->load;
1642		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2175	}
1646		2176
1647	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1649	or next;	2180	or next;
1650	$neigh->load;	2181	$neigh->load;
1651	}	2182	}
1652	}	2183	}
1653		2184
…		…
1658	}	2189	}
1659		2190
1660	sub do_load_sync {	2191	sub do_load_sync {
1661	my ($map) = @_;	2192	my ($map) = @_;
1662		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1663	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1664	}	2198	}
1665		2199
1666	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1668		2202
1669	sub find_async {	2203	sub find_async {
1670	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1671		2205
1672	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1673		2207
1674	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2210	}
1677		2211
1678	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1679	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1680	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2219	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2220	$map->load if $v;
		2221	}
1685		2222
1686	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1687	}	2224	}
1688	}	2225	}
1689	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1690	};	2227	};
1691	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1692		2229
1693	()	2230	()
1694	}	2231	}
1695		2232
		2233	# common code, used by both ->save and ->swapout
1696	sub save {	2234	sub _save {
1697	my ($self) = @_;	2235	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2236
1701	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1702		2238
1703	return unless $self->dirty;	2239	return unless $self->dirty;
1704		2240
…		…
1710	return if $self->{deny_save};	2246	return if $self->{deny_save};
1711		2247
1712	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1713		2249
1714	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1716	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1717		2256
1718	if ($uniq) {	2257	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2260	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2262	}
1724	}	2263	}
1725		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1726	sub swap_out {	2273	sub swap_out {
1727	my ($self) = @_;	2274	my ($self) = @_;
1728		2275
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1734	return if $self->players;	2280	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		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
1738	$self->clear;	2291	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2292	}
1741		2293
1742	sub reset_at {	2294	sub reset_at {
1743	my ($self) = @_;	2295	my ($self) = @_;
1744		2296
…		…
1762		2314
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2316
1765	return if $self->players;	2317	return if $self->players;
1766		2318
1767	warn "resetting map ", $self->path;	2319	warn "resetting map ", $self->path, "\n";
1768		2320
1769	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1770		2322
1771	# need to save uniques path	2323	# need to save uniques path
1772	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2328	if $uniq;
1777	}	2329	}
1778		2330
1779	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1780		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2335	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2336
1785	$self->unlink_save;	2337	$self->unlink_save;
1786	$self->destroy;	2338	$self->destroy;
1787	}	2339	}
1788		2340
1789	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1790		2342
1791	sub nuke {	2343	sub nuke {
1792	my ($self) = @_;	2344	my ($self) = @_;
1793		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1794	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1795		2350
1796	$self->unlink_save;	2351	$self->unlink_save;
1797		2352
1798	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2358
1804	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1805		2361
1806	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
1807	}	2363	}
1808		2364
1809	=item $maps = cf::map::tmp_maps	2365	=item $maps = cf::map::tmp_maps
…		…
1851		2407
1852	sub unique_maps() {	2408	sub unique_maps() {
1853	[	2409	[
1854	map {	2410	map {
1855	utf8::decode $_;	2411	utf8::decode $_;
1856	/\.map$/	2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
1857	? normalise $_	2415	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2416	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2417	]
1861	}	2418	}
1862		2419
1863	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	}
1864		2451
1865	=back	2452	=back
1866		2453
1867	=head3 cf::object	2454	=head3 cf::object
1868		2455
…		…
1872		2459
1873	=over 4	2460	=over 4
1874		2461
1875	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1876		2463
1877	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.
1878		2466
1879	=cut	2467	=cut
1880		2468
1881	sub inv_recursive_;	2469	sub inv_recursive_;
1882	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1885		2473
1886	sub inv_recursive {	2474	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1888	}	2476	}
1889		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
1890	package cf;	2506	package cf;
1891		2507
1892	=back	2508	=back
1893		2509
1894	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1900	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>
1901	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
1902	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1903		2519
1904	=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	};
1905		2535
1906	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2537	# with dialog boxes.
1908	#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
1909	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1911		2541
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2543
1914	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1916	} 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 {
1917	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1919	}	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 (@_);
1920	}	2569	}
1921		2570
1922	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1923		2572
1924	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1937		2586
1938	=item $player_object->enter_link	2587	=item $player_object->enter_link
1939		2588
1940	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}>).
1941		2590
1942	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.
1943	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.
1944		2595
1945	Will never block.	2596	Will never block.
1946		2597
1947	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1948		2599
…		…
1968	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2620	my ($self) = @_;
1970		2621
1971	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1972		2623
		2624	++$self->{_link_recursion};
		2625
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2627
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
1977		2630
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2632	}
1980		2633
1981	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
1983		2636
…		…
2000	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
2002		2655
2003	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
2006		2659
2007	$map->load;	2660	$map->load;
2008	$map->load_diag;	2661	$map->load_neighbours;
2009		2662
2010	return unless $self->contr->active;	2663	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2664
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
2015	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
2016		2672
		2673	}
		2674
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2676
2019	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
2020	her, loading and preparing them map, calling the provided $check callback	2678	her, loading and preparing them map, calling the provided $check callback
2021	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
2022	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 >>.
2023		2685
2024	=cut	2686	=cut
2025		2687
2026	our $GOTOGEN;	2688	our $GOTOGEN;
2027		2689
2028	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
2029	my ($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	}
2030		2698
2031	# 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
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2701
2034	$self->enter_link;	2702	$self->enter_link;
2035		2703
2036	(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
2037	my $map = eval {	2726	my $map = eval {
2038	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
2039		2728
2040	if ($map) {	2729	if ($map) {
2041	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2732	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2734	}
2046		2735
2047	$map	2736	$map
2048	};	2737	};
2049		2738
…		…
2054		2743
2055	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
2058	}	2747	}
		2748
		2749	$done->($self) if $done;
2059	})->prio (1);	2750	})->prio (1);
2060	}	2751	}
2061		2752
2062	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
2063		2754
…		…
2083	}	2774	}
2084		2775
2085	sub prepare_random_map {	2776	sub prepare_random_map {
2086	my ($exit) = @_;	2777	my ($exit) = @_;
2087		2778
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2781	# that depends on the exit object
2093		2782
2094	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2785	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2101	}	2792	}
2102		2793
2103	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2104		2795
2105	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2108		2799
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2802	undef $fh;
2112	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2113		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2116	}	2811	}
2117	}	2812	}
2118		2813
2119	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2121		2816
2122	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2123		2818
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2819	$self->enter_link;
2136		2820
2137	(async {	2821	(async {
2138	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2139	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
2140	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2141		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
2142	1;	2845	1
2143	}) {	2846	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "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. "
2146	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2851
2149	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2168		2871
2169	utf8::encode $text;	2872	utf8::encode $text;
2170	$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);
2171	}	2874	}
2172		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
2173	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2174		3064
2175	Sends an exti event to the client.	3065	Sends an ext event to the client.
2176		3066
2177	=cut	3067	=cut
2178		3068
2179	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2181		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2183	$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	}
2184	}	3096	}
2185		3097
2186	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2187		3099
2188	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2189	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>,
2190	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>.
2191		3103
2192	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
2193	reliable at some point in the future.	3105	become reliable at some point in the future.
2194		3106
2195	=cut	3107	=cut
2196		3108
2197	sub cf::client::query {	3109	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3118	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3120
2209	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2211	}	3125	}
2212		3126
2213	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	},
2214	on_reply => sub {	3133	on_reply => sub {
2215	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2216		3135
2217	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2218	# get handled first	3137	# get handled first
…		…
2230	} else {	3149	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3151	}
2233	}	3152	}
2234	},	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	},
2235	);	3180	);
2236		3181
2237	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2238		3183
2239	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3200
2256	$coro	3201	$coro
2257	}	3202	}
2258		3203
2259	cf::client->attach (	3204	cf::client->attach (
2260	on_destroy => sub {	3205	on_client_destroy => sub {
2261	my ($ns) = @_;	3206	my ($ns) = @_;
2262		3207
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3209	},
2265	);	3210	);
…		…
2280	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2282		3227
2283	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2284		3229
2285	$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	));
2286		3235
2287	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2288		3237
2289	=pod	3238	=pod
2290		3239
2291	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2292		3241
2293	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
2294	cf::object::player player	3247	cf::object::player
2295	cf::player peaceful	3248	player
2296	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2297		3255
2298	=cut	3256	=cut
2299		3257
2300	for (	3258	for (
2301	["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)],
2302	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2305	) {	3265	) {
2306	no strict 'refs';	3266	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2326		3286
2327	my $qcode = $code;	3287	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2330		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2331	local $_;	3294	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3295
2334	my $eval =	3296	my $eval =
2335	"do {\n"	3297	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3300	. $code
2339	. "\n}"	3301	. "\n}"
2340	;	3302	;
2341		3303
		3304	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	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	}
2345		3313
2346	if ($@) {	3314	if ($@) {
2347	warn "$@";	3315	warn "$@";
2348	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2349	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2368	=cut	3336	=cut
2369		3337
2370	sub register_script_function {	3338	sub register_script_function {
2371	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2372		3340
2373	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2375	}	3343	}
2376		3344
2377	=back	3345	=back
2378		3346
2379	=cut	3347	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3348
2553	#############################################################################	3349	#############################################################################
2554	# the server's init and main functions	3350	# the server's init and main functions
2555		3351
2556	sub load_facedata($) {	3352	sub load_facedata($) {
2557	my ($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;
2558		3360
2559	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2560		3362
2561	my $facedata;	3363	my $facedata;
2562	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2566		3368
2567	$facedata->{version} == 2	3369	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		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
2570	{	3381	{
2571	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2572		3383
2573	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3391
		3392	cf::cede_to_tick;
2579	}	3393	}
2580		3394
2581	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2583	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2584	or next;	3399	or next;
		3400
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3404	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3406	}
2590	Coro::cede;	3407
		3408	cf::cede_to_tick;
2591	}	3409	}
2592	}	3410	}
2593		3411
2594	{	3412	{
2595	my $anims = $facedata->{animinfo};	3413	my $anims = $facedata->{animinfo};
2596		3414
2597	while (my ($anim, $info) = each %$anims) {	3415	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3417	cf::cede_to_tick;
2600	}	3418	}
2601		3419
2602	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2603	}	3421	}
2604		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} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2605	1	3442	1
2606	}	3443	}
2607		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($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	$status
		3461	}
		3462
2608	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2609	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2610	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 $_->{match};
		3474	}
2611	}	3475	}
2612		3476
2613	sub reload_facedata {	3477	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3487	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2626	}	3490	}
2627		3491
		3492	sub reload_sound {
		3493	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3494	or die "$DATADIR/sound $!";
		3495
		3496	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3497
		3498	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3499	my $sound = $soundconf->{compat}[$_]
		3500	or next;
		3501
		3502	my $face = cf::face::find "sound/$sound->[1]";
		3503	cf::sound::set $sound->[0] => $face;
		3504	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3505	}
		3506
		3507	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3508	my $face = cf::face::find "sound/$v";
		3509	cf::sound::set $k => $face;
		3510	}
		3511	}
		3512
2628	sub reload_resources {	3513	sub reload_resources {
2629	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2630		3515
		3516	reload_facedata;
		3517	reload_sound;
		3518	reload_archetypes;
2631	reload_regions;	3519	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3520	reload_treasures;
2636		3521
2637	warn "finished reloading resource files\n";	3522	warn "finished reloading resource files\n";
2638	}	3523	}
2639		3524
2640	sub init {	3525	sub reload_config {
2641	reload_resources;	3526	warn "reloading config file...\n";
2642	}
2643		3527
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3528	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3529	or return;
2647		3530
2648	local $/;	3531	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3532	*CFG = YAML::XS::Load scalar <$fh>;
2650		3533
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3534	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3535
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3536	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3537	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3538
2656	if (exists $CFG{mlockall}) {	3539	if (exists $CFG{mlockall}) {
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3541	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3542	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3543	};
2661	warn $@ if $@;	3544	warn $@ if $@;
2662	}	3545	}
		3546
		3547	warn "finished reloading resource files\n";
		3548	}
		3549
		3550	sub pidfile() {
		3551	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3552	or die "$PIDFILE: $!";
		3553	flock $fh, &Fcntl::LOCK_EX
		3554	or die "$PIDFILE: flock: $!";
		3555	$fh
		3556	}
		3557
		3558	# make sure only one server instance is running at any one time
		3559	sub atomic {
		3560	my $fh = pidfile;
		3561
		3562	my $pid = <$fh>;
		3563	kill 9, $pid if $pid > 0;
		3564
		3565	seek $fh, 0, 0;
		3566	print $fh $$;
		3567	}
		3568
		3569	sub main_loop {
		3570	warn "EV::loop starting\n";
		3571	if (1) {
		3572	EV::loop;
		3573	}
		3574	warn "EV::loop returned\n";
		3575	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3576	}
2664		3577
2665	sub main {	3578	sub main {
		3579	cf::init_globals; # initialise logging
		3580
		3581	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3582	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3583	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3584	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3585
		3586	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3587
2666	# we must not ever block the main coroutine	3588	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3589	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3590	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3591	(async {
2670	Event::one_event;	3592	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3593	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3594	})->prio (Coro::PRIO_MAX);
2672	};	3595	};
2673		3596
2674	cfg_load;	3597	evthread_start IO::AIO::poll_fileno;
		3598
		3599	cf::sync_job {
		3600	cf::init_experience;
		3601	cf::init_anim;
		3602	cf::init_attackmess;
		3603	cf::init_dynamic;
		3604
		3605	cf::load_settings;
		3606	cf::load_materials;
		3607
		3608	reload_resources;
		3609	reload_config;
2675	db_init;	3610	db_init;
		3611
		3612	cf::init_uuid;
		3613	cf::init_signals;
		3614	cf::init_skills;
		3615
		3616	cf::init_beforeplay;
		3617
		3618	atomic;
		3619
2676	load_extensions;	3620	load_extensions;
2677		3621
2678	$TICK_WATCHER->start;	3622	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3623
		3624	# no (long-running) fork's whatsoever before this point(!)
		3625	use POSIX ();
		3626	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3627
		3628	(pop @POST_INIT)->(0) while @POST_INIT;
		3629	};
		3630
		3631	cf::object::thawer::errors_are_fatal 0;
		3632	warn "parse errors in files are no longer fatal from this point on.\n";
		3633
		3634	main_loop;
2680	}	3635	}
2681		3636
2682	#############################################################################	3637	#############################################################################
2683	# initialisation and cleanup	3638	# initialisation and cleanup
2684		3639
2685	# install some emergency cleanup handlers	3640	# install some emergency cleanup handlers
2686	BEGIN {	3641	BEGIN {
		3642	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3643	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3644	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3645	cf::cleanup "SIG$signal";
2695	},
2696	);	3646	};
		3647	}
		3648	}
		3649
		3650	sub write_runtime_sync {
		3651	my $t0 = AE::time;
		3652
		3653	# first touch the runtime file to show we are still running:
		3654	# the fsync below can take a very very long time.
		3655
		3656	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3657
		3658	my $guard = cf::lock_acquire "write_runtime";
		3659
		3660	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3661	or return;
		3662
		3663	my $value = $cf::RUNTIME + 90 + 10;
		3664	# 10 is the runtime save interval, for a monotonic clock
		3665	# 60 allows for the watchdog to kill the server.
		3666
		3667	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3668	and return;
		3669
		3670	# always fsync - this file is important
		3671	aio_fsync $fh
		3672	and return;
		3673
		3674	# touch it again to show we are up-to-date
		3675	aio_utime $fh, undef, undef;
		3676
		3677	close $fh
		3678	or return;
		3679
		3680	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3681	and return;
		3682
		3683	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3684
2697	}	3685	1
		3686	}
		3687
		3688	our $uuid_lock;
		3689	our $uuid_skip;
		3690
		3691	sub write_uuid_sync($) {
		3692	$uuid_skip ||= $_[0];
		3693
		3694	return if $uuid_lock;
		3695	local $uuid_lock = 1;
		3696
		3697	my $uuid = "$LOCALDIR/uuid";
		3698
		3699	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3700	or return;
		3701
		3702	my $value = uuid_seq uuid_cur;
		3703
		3704	unless ($value) {
		3705	warn "cowardly refusing to write zero uuid value!\n";
		3706	return;
		3707	}
		3708
		3709	my $value = uuid_str $value + $uuid_skip;
		3710	$uuid_skip = 0;
		3711
		3712	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3713	and return;
		3714
		3715	# always fsync - this file is important
		3716	aio_fsync $fh
		3717	and return;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$uuid~", $uuid
		3723	and return;
		3724
		3725	warn "uuid file written ($value).\n";
		3726
		3727	1
		3728
		3729	}
		3730
		3731	sub write_uuid($$) {
		3732	my ($skip, $sync) = @_;
		3733
		3734	$sync ? write_uuid_sync $skip
		3735	: async { write_uuid_sync $skip };
2698	}	3736	}
2699		3737
2700	sub emergency_save() {	3738	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3739	my $freeze_guard = cf::freeze_mainloop;
2702		3740
2703	warn "enter emergency perl save\n";	3741	warn "emergency_perl_save: enter\n";
2704		3742
2705	cf::sync_job {	3743	cf::sync_job {
		3744	# this is a trade-off: we want to be very quick here, so
		3745	# save all maps without fsync, and later call a global sync
		3746	# (which in turn might be very very slow)
		3747	local $USE_FSYNC = 0;
		3748
2706	# use a peculiar iteration method to avoid tripping on perl	3749	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3750	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3751	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3752	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3753	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3754	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3755	$pl->valid or next;
		3756	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3757	$pl->save;
2714	}	3758	}
2715	warn "end emergency player save\n";	3759	warn "emergency_perl_save: end player save\n";
2716		3760
2717	warn "begin emergency map save\n";	3761	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3762	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3763	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3764	$map->valid or next;
2721	$map->save;	3765	$map->save;
2722	}	3766	}
2723	warn "end emergency map save\n";	3767	warn "emergency_perl_save: end map save\n";
2724		3768
2725	warn "begin emergency database checkpoint\n";	3769	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3770	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3771	warn "emergency_perl_save: end database checkpoint\n";
		3772
		3773	warn "emergency_perl_save: begin write uuid\n";
		3774	write_uuid_sync 1;
		3775	warn "emergency_perl_save: end write uuid\n";
2728	};	3776	};
2729		3777
		3778	warn "emergency_perl_save: starting sync()\n";
		3779	IO::AIO::aio_sync sub {
		3780	warn "emergency_perl_save: finished sync()\n";
		3781	};
		3782
2730	warn "leave emergency perl save\n";	3783	warn "emergency_perl_save: leave\n";
2731	}	3784	}
2732		3785
2733	sub post_cleanup {	3786	sub post_cleanup {
2734	my ($make_core) = @_;	3787	my ($make_core) = @_;
2735		3788
2736	warn Carp::longmess "post_cleanup backtrace"	3789	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3790	if $make_core;
		3791
		3792	my $fh = pidfile;
		3793	unlink $PIDFILE if <$fh> == $$;
		3794	}
		3795
		3796	# a safer delete_package, copied from Symbol
		3797	sub clear_package($) {
		3798	my $pkg = shift;
		3799
		3800	# expand to full symbol table name if needed
		3801	unless ($pkg =~ /^main::.*::$/) {
		3802	$pkg = "main$pkg" if $pkg =~ /^::/;
		3803	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3804	$pkg .= '::' unless $pkg =~ /::$/;
		3805	}
		3806
		3807	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3808	my $stem_symtab = *{$stem}{HASH};
		3809
		3810	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3811	or return;
		3812
		3813	# clear all symbols
		3814	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3815	for my $name (keys %$leaf_symtab) {
		3816	_gv_clear *{"$pkg$name"};
		3817	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3818	}
2738	}	3819	}
2739		3820
2740	sub do_reload_perl() {	3821	sub do_reload_perl() {
2741	# can/must only be called in main	3822	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3823	if (in_main) {
2743	warn "can only reload from main coroutine";	3824	warn "can only reload from main coroutine";
2744	return;	3825	return;
2745	}	3826	}
2746		3827
		3828	return if $RELOAD++;
		3829
		3830	my $t1 = AE::time;
		3831
		3832	while ($RELOAD) {
2747	warn "reloading...";	3833	warn "reloading...";
2748		3834
2749	warn "entering sync_job";	3835	warn "entering sync_job";
2750		3836
2751	cf::sync_job {	3837	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3838	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3839	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2755		3841
2756	warn "syncing database to disk";	3842	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3843	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3844
2759	# if anything goes wrong in here, we should simply crash as we already saved	3845	# if anything goes wrong in here, we should simply crash as we already saved
2760		3846
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";	3847	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;	3848	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3849	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	}	3850	}
2797		3851
2798	warn "... nuking $pkg";	3852	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3853	$_->cancel for values %EXT_CORO;
2800	}	3854	%EXT_CORO = ();
2801		3855
2802	warn "unloading all perl modules loaded from $LIBDIR";	3856	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3857	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3858
		3859	warn "removing ext/exti commands";
		3860	%EXTCMD = ();
		3861	%EXTICMD = ();
		3862
		3863	warn "unloading/nuking all extensions";
		3864	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3865	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3866
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3867	if (my $cb = $pkg->can ("unload")) {
		3868	eval {
2813	$cb->();	3869	$cb->($pkg);
		3870	1
		3871	} or warn "$pkg unloaded, but with errors: $@";
		3872	}
		3873
		3874	warn "... clearing $pkg";
		3875	clear_package $pkg;
2814	}	3876	}
2815		3877
2816	Symbol::delete_package $k;	3878	warn "unloading all perl modules loaded from $LIBDIR";
		3879	while (my ($k, $v) = each %INC) {
		3880	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3881
		3882	warn "... unloading $k";
		3883	delete $INC{$k};
		3884
		3885	$k =~ s/\.pm$//;
		3886	$k =~ s/\//::/g;
		3887
		3888	if (my $cb = $k->can ("unload_module")) {
		3889	$cb->();
		3890	}
		3891
		3892	clear_package $k;
2817	}	3893	}
2818		3894
2819	warn "getting rid of safe::, as good as possible";	3895	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3896	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3897	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3898
2823	warn "unloading cf.pm \"a bit\"";	3899	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3900	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3901	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3902
2827	# don't, removes xs symbols, too,	3903	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3904	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3905	#clear_package __PACKAGE__;
2830		3906
2831	warn "unload completed, starting to reload now";	3907	warn "unload completed, starting to reload now";
2832		3908
2833	warn "reloading cf.pm";	3909	warn "reloading cf.pm";
2834	require cf;	3910	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3911	cf::_connect_to_perl_1;
2836		3912
2837	warn "loading config and database again";	3913	warn "loading config and database again";
2838	cf::cfg_load;	3914	cf::reload_config;
2839		3915
2840	warn "loading extensions";	3916	warn "loading extensions";
2841	cf::load_extensions;	3917	cf::load_extensions;
2842		3918
		3919	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3920	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3921	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3922	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3923	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3924	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3925	reattach $_ for values %PLAYER;
		3926	}
2849		3927
		3928	warn "running post_init jobs";
		3929	(pop @POST_INIT)->(1) while @POST_INIT;
		3930
2850	warn "leaving sync_job";	3931	warn "leaving sync_job";
2851		3932
2852	1	3933	1
2853	} or do {	3934	} or do {
2854	warn $@;	3935	warn $@;
2855	warn "error while reloading, exiting.";	3936	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3937	};
2858		3938
2859	warn "reloaded";	3939	warn "reloaded";
		3940	--$RELOAD;
		3941	}
		3942
		3943	$t1 = AE::time - $t1;
		3944	warn "reload completed in ${t1}s\n";
2860	};	3945	};
2861		3946
2862	our $RELOAD_WATCHER; # used only during reload	3947	our $RELOAD_WATCHER; # used only during reload
2863		3948
2864	sub reload_perl() {	3949	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3950	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3951	# coro crashes during coro_state_free->destroy here.
2867		3952
2868	$RELOAD_WATCHER ||= Event->timer (	3953	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3954	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3955
2871	data => WF_AUTOCANCEL,	3956	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3957	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3958	undef $RELOAD_WATCHER;
2875	},	3959	};
2876	);	3960	};
2877	}	3961	}
2878		3962
2879	register_command "reload" => sub {	3963	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3964	my ($who, $arg) = @_;
2881		3965
2882	if ($who->flag (FLAG_WIZ)) {	3966	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3967	$who->message ("reloading server.");
		3968	async {
		3969	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3970	reload_perl;
		3971	};
2885	}	3972	}
2886	};	3973	};
2887		3974
2888	unshift @INC, $LIBDIR;	3975	unshift @INC, $LIBDIR;
2889		3976
…		…
2891		3978
2892	our @WAIT_FOR_TICK;	3979	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3980	our @WAIT_FOR_TICK_BEGIN;
2894		3981
2895	sub wait_for_tick {	3982	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3983	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3984
2899	my $signal = new Coro::Signal;	3985	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3986	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3987	$signal->wait;
2902	}	3988	}
2903		3989
2904	sub wait_for_tick_begin {	3990	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3991	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3992
2908	my $signal = new Coro::Signal;	3993	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3994	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3995	$signal->wait;
2911	}	3996	}
2912		3997
2913	my $min = 1e6;#d#	3998	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) {	3999	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4000	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4001	unless ++$bug_warning > 10;
2925	return;	4002	return;
2926	}	4003	}
2927		4004
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4005	cf::server_tick; # one server iteration
2931		4006
2932	0 && sync_job {#d#	4007	#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		4008
2938	$map->width (50);	4009	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4010	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4011	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4012	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4013	write_runtime_sync
2943		4014	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	};	4015	};
		4016	}
2954		4017
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) {	4018	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4019	$sig->send;
2971	}	4020	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4021	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4022	$sig->send;
2974	}	4023	}
2975		4024
2976	$NOW = Event::time;	4025	$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;	4026	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4027
2987	_post_tick;	4028	if (0) {
2988		4029	if ($NEXT_TICK) {
2989		4030	my $jitter = $TICK_START - $NEXT_TICK;
		4031	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4032	warn "jitter $JITTER\n";#d#
		4033	}
2990	},	4034	}
2991	);	4035	}
2992		4036
2993	{	4037	{
2994	BDB::max_poll_time $TICK * 0.1;	4038	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4039
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;	4040	BDB::min_parallel 16;
3004		4041	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4042	$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		4043
3020	unless ($DB_ENV) {	4044	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4045	$DB_ENV = BDB::db_env_create;
		4046	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4047	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4048	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4049	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4050	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4051
3023	cf::sync_job {	4052	cf::sync_job {
3024	eval {	4053	eval {
3025	BDB::db_env_open	4054	BDB::db_env_open
3026	$DB_ENV,	4055	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4057	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4058	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4059	0666;
3031		4060
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4061	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	};	4062	};
3037		4063
3038	cf::cleanup "db_env_open(db): $@" if $@;	4064	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4065	};
3040	}	4066	}
		4067
		4068	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4069	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4070	};
		4071	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4072	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4073	};
		4074	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4075	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4076	};
3041	}	4077	}
3042		4078
3043	{	4079	{
		4080	# configure IO::AIO
		4081
3044	IO::AIO::min_parallel 8;	4082	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4083	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4084	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	}	4085	}
3057		4086
3058	my $_log_backtrace;	4087	my $_log_backtrace;
3059		4088
3060	sub _log_backtrace {	4089	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4092	$msg =~ s/\n//;
3064		4093
3065	# limit the # of concurrent backtraces	4094	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4095	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4096	++$_log_backtrace;
		4097	my $perl_bt = Carp::longmess $msg;
3068	async {	4098	async {
		4099	$Coro::current->{desc} = "abt $msg";
		4100
3069	my @bt = fork_call {	4101	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4102	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4103	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4104	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4105	or die "addr2line: $!";
…		…
3081	}	4113	}
3082		4114
3083	@funcs	4115	@funcs
3084	};	4116	};
3085		4117
3086	LOG llevInfo, "[ABT] $msg\n";	4118	LOG llevInfo, "[ABT] $perl_bt\n";
		4119	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4120	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4121	--$_log_backtrace;
3089	};	4122	};
3090	} else {	4123	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4124	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4125	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4126	}
3094	}	4127	}
3095		4128
3096	# load additional modules	4129	# load additional modules
3097	use cf::pod;	4130	require "cf/$_.pm" for @EXTRA_MODULES;
		4131	cf::_connect_to_perl_2;
3098		4132
3099	END { cf::emergency_save }	4133	END { cf::emergency_save }
3100		4134
3101	1	4135	1
3102		4136

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