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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.516 by root, Thu Apr 15 06:05:52 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;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	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	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	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	231	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.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	285	for my $pkg (qw(
198	cf::global cf::attachable	286	cf::global cf::attachable
199	cf::object cf::object::player	287	cf::object cf::object::player
200	cf::client cf::player	288	cf::client cf::player
201	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
202	cf::map cf::party cf::region	291	cf::party cf::region
203	)) {	292	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	294	}
207		295
208	$Event::DIED = sub {	296	$EV::DIED = sub {
209	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
210	};	298	};
		299
		300	#############################################################################
211		301
212	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
213		303
214	=over 4	304	=over 4
215		305
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	325	$d
236	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
237	}	327	}
238		328
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
242		330
243	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
244		332
245	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
246		334
247	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
248		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
249	=item cf::lock_wait $string	358	=item cf::lock_wait $string
250		359
251	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
252		361
253	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
254		363
255	Wait until the given lock is available and then acquires it and returns	364	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,	365	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	366	for example when the coroutine gets canceled), the lock is automatically
258	returned.	367	returned.
259		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
260	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
262		374
263	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
264		376
265	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
266		378
267	=cut	379	=cut
268		380
269	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
270		382
271	sub lock_wait($) {	383	sub lock_wait($) {
272	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	385	}
280		386
281	sub lock_acquire($) {	387	sub lock_acquire($) {
282	my ($key) = @_;	388	$LOCKS->guard ($_[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	}	389	}
294		390
295	sub lock_active($) {	391	sub lock_active($) {
296	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	393	}
300		394
301	sub freeze_mainloop {	395	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
303		397
304	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
306	};	465	}
307	$TICK_WATCHER->stop;	466	};
308	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
309	}	481	}
310		482
311	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
312		484
313	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		490
319	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
320		492
321	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
322		494
323	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
326		499
327	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
330	fast or be very important.	503	fast or be very important.
…		…
333		506
334	sub sync_job(&) {	507	sub sync_job(&) {
335	my ($job) = @_;	508	my ($job) = @_;
336		509
337	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	511	my $time = AE::time;
339		512
340	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
342		515
343	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	517
345	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
346		519
347	my $busy = 1;	520	my $busy = 1;
348	my @res;	521	my @res;
349		522
350	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	525	@res = eval { $job->() };
352	warn $@ if $@;	526	warn $@ if $@;
353	undef $busy;	527	undef $busy;
354	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
355		529
356	while ($busy) {	530	while ($busy) {
357	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
358	}	535	}
		536	}
359		537
360	$time = Event::time - $time;	538	my $time = AE::time - $time;
361		539
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	540	$TICK_START += $time; # do not account sync jobs to server load
366		541
367	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
368	} else {	543	} else {
369	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
370		545
…		…
390	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
391		566
392	$coro	567	$coro
393	}	568	}
394		569
395	sub write_runtime {	570	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		571
398	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
400		576
401	IO::AIO::aio_utime $runtime, undef, undef;	577	=cut
402		578
403	my $guard = cf::lock_acquire "write_runtime";	579	sub fork_call(&@) {
		580	my ($cb, @args) = @_;
404		581
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	582	# we seemingly have to make a local copy of the whole thing,
406	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
407		585
408	my $value = $cf::RUNTIME + 90 + 10;	586	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	587	reset_signals;
410	# 60 allows for the watchdog to kill the server.	588	&$cb
		589	}, @args;
411		590
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	591	wantarray ? @res : $res[-1]
413	and return;	592	}
414		593
415	# always fsync - this file is important	594	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";#d#
429
430	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
431	}	757	}
432		758
433	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
434		760
435	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		773
448	#############################################################################	774	#############################################################################
449		775
450	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
451		777
452	Many objects in crossfire are so-called attachable objects. That means you can	778	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")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
455		781
456	In the following description, CLASS can be any of C<global>, C<object>	782	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	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	784	Deliantra).
459		785
460	=over 4	786	=over 4
461		787
462	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
463		789
…		…
507	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
508		834
509	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
511		837
512	Some classes such as crossfire maps and objects can specify attachments	838	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.	839	that are attached at load/instantiate time, thus the need for a name.
514		840
515	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
516		842
517	=over 4	843	=over 4
…		…
665	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
666	}	992	}
667		993
668	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
669	} else {	995	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	997	}
672		998
673	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
674	}	1000	}
675		1001
…		…
715	";	1041	";
716	die if $@;	1042	die if $@;
717	}	1043	}
718		1044
719	our $override;	1045	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1047
722	sub override {	1048	sub override {
723	$override = 1;	1049	$override = 1;
724	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
725	}	1051	}
726		1052
727	sub do_invoke {	1053	sub do_invoke {
728	my $event = shift;	1054	my $event = shift;
729	my $callbacks = shift;	1055	my $callbacks = shift;
730		1056
731	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
732		1058
733	local $override;	1059	local $override;
734		1060
735	for (@$callbacks) {	1061	for (@$callbacks) {
736	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
745	}	1071	}
746		1072
747	0	1073	0
748	}	1074	}
749		1075
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1077
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1079
754	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
755		1081
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	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	1083	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1085
760	=back	1086	=back
761		1087
762	=cut	1088	=cut
763		1089
764	#############################################################################	1090	#############################################################################
765	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
766		1134
767	sub reattach {	1135	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1137	my ($obj) = @_;
770		1138
		1139	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1141
773	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
774		1143
775	@$registry = ();	1144	@$registry = ();
776		1145
…		…
791	cf::attachable->attach (	1160	cf::attachable->attach (
792	prio => -1000000,	1161	prio => -1000000,
793	on_instantiate => sub {	1162	on_instantiate => sub {
794	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
795		1164
796	$data = from_json $data;	1165	$data = decode_json $data;
797		1166
798	for (@$data) {	1167	for (@$data) {
799	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
800		1169
801	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1186	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
819		1188
820	sync_job {	1189	sync_job {
821	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
824		1194
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
829	close $fh;	1202	aio_close $fh;
830		1203
831	if (@$objs) {	1204	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
837	close $fh;	1213	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
839	}	1215	}
840	} else {	1216	} else {
841	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
842	}	1218	}
843		1219
844	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1224	} else {
846	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
847	}	1226	}
848	} else {	1227	} else {
849	aio_unlink $filename;	1228	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
851	}	1230	}
852	}	1231	};
853	}	1232	}
854		1233
855	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
857		1236
…		…
869	or return;	1248	or return;
870		1249
871	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
873	or return;	1252	or return;
		1253
874	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
875	}	1256	}
876		1257
		1258	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
879	return ($data, $av);	1262	($data, $av)
880	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
881		1270
882	#############################################################################	1271	#############################################################################
883	# command handling &c	1272	# command handling &c
884		1273
885	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1288	}
900		1289
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1291
903	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
904		1297
905	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
906	called.	1299	called.
907		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
908	=cut	1312	=cut
909		1313
910	sub register_extcmd {	1314	sub register_extcmd {
911	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
912		1316
913	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
914	}	1318	}
915		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
916	cf::player->attach (	1328	cf::player->attach (
917	on_command => sub {	1329	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
919		1331
920	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
921	or return;	1333	or return;
922		1334
…		…
927	cf::override;	1339	cf::override;
928	},	1340	},
929	on_extcmd => sub {	1341	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
931		1343
932	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1345
934	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
940	} else {	1361	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1363	}
943		1364
944	cf::override;	1365	cf::override;
945	},	1366	},
946	);	1367	);
947		1368
		1369	# "readahead" all extensions
948	sub load_extension {	1370	sub cache_extensions {
949	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
950		1372
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1376	}
976	die $@;
977	}	1377	};
978		1378
979	push @EXTS, $pkg;	1379	$grp
980	}	1380	}
981		1381
982	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
983	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1387	next unless -r $path;
985	eval {	1388
986	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
987	1	1449	}
988	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
989	}	1460	};
990	}	1461	}
991		1462
992	#############################################################################	1463	#############################################################################
993		1464
		1465	=back
		1466
994	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
995		1468
996	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
997		1470
998	=cut	1471	=cut
999		1472
1000	package cf::player;	1473	package cf::player;
1001		1474
1002	use Coro::AIO;	1475	use Coro::AIO;
1003		1476
1004	=head3 cf::player	1477	=head3 cf::player
1005		1478
1006	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1007		1494
1008	=item cf::player::find $login	1495	=item cf::player::find $login
1009		1496
1010	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1011		1498
…		…
1030		1517
1031	sub exists($) {	1518	sub exists($) {
1032	my ($login) = @_;	1519	my ($login) = @_;
1033		1520
1034	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1036	}	1523	}
1037		1524
1038	sub find($) {	1525	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1527	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1538
1052	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1055	}	1548	}
1056	}	1549	}
1057	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1058		1564
1059	sub save($) {	1565	sub save($) {
1060	my ($pl) = @_;	1566	my ($pl) = @_;
1061		1567
1062	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1068		1574
1069	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1071		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1072	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1073	Coro::cede;	1584	cf::cede_to_tick;
1074	}	1585	}
1075		1586
1076	sub new($) {	1587	sub new($) {
1077	my ($login) = @_;	1588	my ($login) = @_;
1078		1589
…		…
1084	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1085		1596
1086	$self	1597	$self
1087	}	1598	}
1088		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1089	=item $pl->quit_character	1610	=item $pl->quit_character
1090		1611
1091	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1093		1614
…		…
1097	my ($pl) = @_;	1618	my ($pl) = @_;
1098		1619
1099	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1100		1621
1101	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1624
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1108		1631
1109	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1669	or return [];
1147		1670
1148	my @logins;	1671	my @logins;
1149		1672
1150	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1154		1683
1155	utf8::decode $login;	1684	utf8::decode $login;
1156	push @logins, $login;	1685	push @logins, $login;
1157	}	1686	}
1158		1687
…		…
1185	}	1714	}
1186		1715
1187	\@paths	1716	\@paths
1188	}	1717	}
1189		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1190	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1191		1724
1192	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1193		1726
1194	=cut	1727	=cut
1195		1728
1196	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1198		1731
1199	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1733	}
1203		1734
1204	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1205		1736
1206	Sends an ext event to the client.	1737	Sends an ext event to the client.
1207		1738
1208	=cut	1739	=cut
1209		1740
1210	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1212		1743
1213	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1214	}	1745	}
1215		1746
1216	=head3 cf::region	1747	=head3 cf::region
1217		1748
1218	=over 4	1749	=over 4
…		…
1221		1752
1222	package cf::region;	1753	package cf::region;
1223		1754
1224	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1225		1756
1226	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1227		1758
1228	=cut	1759	=cut
1229		1760
1230	sub find_by_path($) {	1761	sub find_by_path($) {
1231	my ($path) = @_;	1762	my ($path) = @_;
1232		1763
1233	my ($match, $specificity);	1764	my ($match, $specificity);
1234		1765
1235	for my $region (list) {	1766	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1239	}	1770	}
1240	}	1771	}
1241		1772
…		…
1262	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1264		1795
1265	sub generate_random_map {	1796	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1267	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1802	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1305	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1306		1840
1307	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1308	local $self->{path};	1842	local $self->{path};
1309	local $self->{load_path};	1843	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1844
1313	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1314	}	1846	}
1315		1847
1316	sub normalise {	1848	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1364	return $self;	1896	return $self;
1365	}	1897	}
1366	}	1898	}
1367		1899
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1901	()
1370	}	1902	}
1371		1903
1372	sub init {	1904	sub init {
1373	my ($self) = @_;	1905	my ($self) = @_;
…		…
1395		1927
1396	# the temporary/swap location	1928	# the temporary/swap location
1397	sub save_path {	1929	sub save_path {
1398	my ($self) = @_;	1930	my ($self) = @_;
1399		1931
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1402	}	1934	}
1403		1935
1404	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1405	sub uniq_path {	1937	sub uniq_path {
1406	my ($self) = @_;	1938	my ($self) = @_;
1407		1939
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1410	}	1942	}
1411		1943
1412	# and all this just because we cannot iterate over	1944	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1945	my ($self) = @_;
1416		1946
1417	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1419	}	1950	}
1420		1951
1421	sub unlink_save {	1952	sub unlink_save {
1422	my ($self) = @_;	1953	my ($self) = @_;
1423		1954
…		…
1428		1959
1429	sub load_header_from($) {	1960	sub load_header_from($) {
1430	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1431		1962
1432	utf8::encode $path;	1963	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1438		1972
1439	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1440		1974
1441	1	1975	1
1442	}	1976	}
…		…
1481	$self->load_header_orig	2015	$self->load_header_orig
1482	or return;	2016	or return;
1483	$self->prepare_orig;	2017	$self->prepare_orig;
1484	}	2018	}
1485		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1486	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2024	unless $self->default_region;
1488		2025
1489	1	2026	1
1490	}	2027	}
…		…
1493	sub find {	2030	sub find {
1494	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1495		2032
1496	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1497		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2037
1500	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1503	or return;	2040	or return;
1504		2041
1505	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1506		2043
1507	$map->load_header	2044	$map->load_header
1508	or return;	2045	or return;
1509		2046
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1513	$map->reset;	2052	$map->reset;
1514	undef $guard;
1515	return find $path;	2053	return find $path;
1516	}	2054	}
1517		2055
1518	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1519	}	2057	}
1520	}	2058	}
1521		2059
1522	sub pre_load { }	2060	sub pre_load { }
1523	sub post_load { }	2061	#sub post_load { } # XS
1524		2062
1525	sub load {	2063	sub load {
1526	my ($self) = @_;	2064	my ($self) = @_;
1527		2065
1528	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1529		2067
1530	my $path = $self->{path};	2068	my $path = $self->{path};
1531		2069
1532	{	2070	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1534		2072
		2073	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2075
1537	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1538		2077
1539	$self->alloc;	2078	$self->alloc;
1540		2079
1541	$self->pre_load;	2080	$self->pre_load;
1542	Coro::cede;	2081	cf::cede_to_tick;
1543		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1545	or return;	2086	or return;
1546		2087
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1548	if delete $self->{load_original};	2089	if delete $self->{load_original};
1549		2090
1550	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2092	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2095	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1555	}	2099	}
1556	}	2100	}
1557		2101
1558	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1559	# now do the right thing for maps	2105	# now do the right thing for maps
1560	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2108	unless $self->difficulty;
1563	Coro::cede;	2109	cf::cede_to_tick;
1564		2110
1565	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2112	$self->decay_objects;
1567	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1568	$self->update_buttons;	2114	$self->update_buttons;
1569	Coro::cede;	2115	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2116	$self->activate;
1573	}	2117	}
1574		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2123	}
1577		2124
1578	$self->post_load;	2125	$self->post_load;
1579	}	2126	}
1580		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2131	sub customise_for {
1582	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1583		2133
1584	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2135	if $self->per_player;
1586		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1587	$self	2140	$self
1588	}	2141	}
1589		2142
1590	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2144	sub load_neighbours {
1592	my ($map) = @_;	2145	my ($map) = @_;
1593		2146
1594	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1595		2148
1596	for (0 .. 3) {	2149	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1598	or next;	2151	or next;
1599	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1600	or next;	2153	or next;
1601	$neigh->load;	2154	$neigh->load;
1602		2155
		2156	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2159	}
1606		2160
1607	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1609	or next;	2164	or next;
1610	$neigh->load;	2165	$neigh->load;
1611	}	2166	}
1612	}	2167	}
1613		2168
…		…
1618	}	2173	}
1619		2174
1620	sub do_load_sync {	2175	sub do_load_sync {
1621	my ($map) = @_;	2176	my ($map) = @_;
1622		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1623	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1624	}	2182	}
1625		2183
1626	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1628		2186
1629	sub find_async {	2187	sub find_async {
1630	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1631		2189
1632	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1633		2191
1634	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2194	}
1637		2195
1638	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1639	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1640	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2203	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2204	$map->load if $v;
		2205	}
1645		2206
1646	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1647	}	2208	}
1648	}	2209	}
1649	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1650	};	2211	};
1651	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2215	}
1655		2216
1656	sub save {	2217	sub save {
1657	my ($self) = @_;	2218	my ($self) = @_;
1658		2219
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2221
1661	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1662		2223
1663	return unless $self->dirty;	2224	return unless $self->dirty;
1664		2225
…		…
1670	return if $self->{deny_save};	2231	return if $self->{deny_save};
1671		2232
1672	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1673		2234
1674	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1676	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1677		2241
1678	if ($uniq) {	2242	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2245	} else {
…		…
1687	my ($self) = @_;	2251	my ($self) = @_;
1688		2252
1689	# save first because save cedes	2253	# save first because save cedes
1690	$self->save;	2254	$self->save;
1691		2255
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2257
1694	return if $self->players;	2258	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2260	return if $self->{deny_save};
1697		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2266	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2267	}
1701		2268
1702	sub reset_at {	2269	sub reset_at {
1703	my ($self) = @_;	2270	my ($self) = @_;
1704		2271
1705	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1708		2274
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2277
…		…
1722	my ($self) = @_;	2288	my ($self) = @_;
1723		2289
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2291
1726	return if $self->players;	2292	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2293
1729	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
1730		2295
1731	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1732		2297
1733	# need to save uniques path	2298	# need to save uniques path
1734	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2303	if $uniq;
1739	}	2304	}
1740		2305
1741	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1742		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2310	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2311
1747	$self->unlink_save;	2312	$self->unlink_save;
1748	$self->destroy;	2313	$self->destroy;
1749	}	2314	}
1750		2315
1751	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1752		2317
1753	sub nuke {	2318	sub nuke {
1754	my ($self) = @_;	2319	my ($self) = @_;
1755		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1756	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1757		2325
1758	$self->unlink_save;	2326	$self->unlink_save;
1759		2327
1760	bless $self, "cf::map";	2328	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2333
1766	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1767		2336
1768	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
		2338	}
		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
1769	}	2374	}
1770		2375
1771	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1772		2377
1773	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2379	instantiated unique items. May block.
1775		2380
1776	=cut	2381	=cut
1777		2382
1778	sub unique_maps() {	2383	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2384	[
1780	or return;	2385	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2386	utf8::decode $_;
1786	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2389	? ()
1789	push @paths, cf::map::normalise $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2392	]
1791
1792	\@paths
1793	}	2393	}
1794		2394
1795	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1796		2426
1797	=back	2427	=back
1798		2428
1799	=head3 cf::object	2429	=head3 cf::object
1800		2430
…		…
1804		2434
1805	=over 4	2435	=over 4
1806		2436
1807	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1808		2438
1809	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1810		2441
1811	=cut	2442	=cut
1812		2443
1813	sub inv_recursive_;	2444	sub inv_recursive_;
1814	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1817		2448
1818	sub inv_recursive {	2449	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1820	}	2451	}
1821		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1822	package cf;	2481	package cf;
1823		2482
1824	=back	2483	=back
1825		2484
1826	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1835		2494
1836	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1837		2510
1838	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2512	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1843		2516
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2518
1846	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1848	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1851	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1852	}	2544	}
1853		2545
1854	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1855		2547
1856	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1869		2561
1870	=item $player_object->enter_link	2562	=item $player_object->enter_link
1871		2563
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2565
1874	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
1876		2570
1877	Will never block.	2571	Will never block.
1878		2572
1879	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1880		2574
…		…
1932	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1934		2628
1935	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1938		2632
1939	$map->load;	2633	$map->load;
1940	$map->load_diag;	2634	$map->load_neighbours;
1941		2635
1942	return unless $self->contr->active;	2636	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2637
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1947	}
1948		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
		2643	}
		2644
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2646
1951	Moves the player to the given map-path and coordinates by first freezing	2647	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2648	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2649	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2650	the new (success) or old (failed) map position. In either case, $done will
		2651	be called at the end of this process.
		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
1955		2655
1956	=cut	2656	=cut
1957		2657
1958	our $GOTOGEN;	2658	our $GOTOGEN;
1959		2659
1960	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2662
1963	# do generation counting so two concurrent goto's will be executed in-order	2663	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2665
1966	$self->enter_link;	2666	$self->enter_link;
1967		2667
1968	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
1969	my $map = eval {	2690	my $map = eval {
1970	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
1971		2692
1972	if ($map) {	2693	if ($map) {
1973	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
1975	} else {	2696	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2698	}
1978		2699
1979	$map	2700	$map
1980	};	2701	};
1981		2702
…		…
1986		2707
1987	if ($gen == $self->{_goto_generation}) {	2708	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2709	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
1990	}	2711	}
		2712
		2713	$done->() if $done;
1991	})->prio (1);	2714	})->prio (1);
1992	}	2715	}
1993		2716
1994	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1995		2718
…		…
2015	}	2738	}
2016		2739
2017	sub prepare_random_map {	2740	sub prepare_random_map {
2018	my ($exit) = @_;	2741	my ($exit) = @_;
2019		2742
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2745	# that depends on the exit object
2025		2746
2026	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2749	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2033	}	2756	}
2034		2757
2035	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2036		2759
2037	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2040		2763
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2766	undef $fh;
2044	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2045		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2048	}	2775	}
2049	}	2776	}
2050		2777
2051	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2053		2780
2054	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2055		2782
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2783	$self->enter_link;
2068		2784
2069	(async {	2785	(async {
2070	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2071	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2072	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2073		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2074	1;	2809	1
2075	}) {	2810	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2815
2081	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2100		2835
2101	utf8::encode $text;	2836	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2838	}
2104		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2105	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2106		3028
2107	Sends an exti event to the client.	3029	Sends an ext event to the client.
2108		3030
2109	=cut	3031	=cut
2110		3032
2111	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2113		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2116	}	3060	}
2117		3061
2118	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2119		3063
2120	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3067
2124	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3069	become reliable at some point in the future.
2126		3070
2127	=cut	3071	=cut
2128		3072
2129	sub cf::client::query {	3073	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3082	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3084
2141	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2143	}	3089	}
2144		3090
2145	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
2146	on_reply => sub {	3097	on_reply => sub {
2147	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2148		3099
2149	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2150	# get handled first	3101	# get handled first
…		…
2162	} else {	3113	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3115	}
2165	}	3116	}
2166	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
2167	);	3144	);
2168		3145
2169	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2170		3147
2171	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3164
2188	$coro	3165	$coro
2189	}	3166	}
2190		3167
2191	cf::client->attach (	3168	cf::client->attach (
2192	on_destroy => sub {	3169	on_client_destroy => sub {
2193	my ($ns) = @_;	3170	my ($ns) = @_;
2194		3171
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3173	},
2197	);	3174	);
…		…
2212	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2214		3191
2215	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2216		3193
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2218		3199
2219	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2220		3201
2221	=pod	3202	=pod
2222		3203
2223	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2224		3205
2225	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2226	cf::object::player player	3211	cf::object::player
2227	cf::player peaceful	3212	player
2228	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2229		3219
2230	=cut	3220	=cut
2231		3221
2232	for (	3222	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2237	) {	3229	) {
2238	no strict 'refs';	3230	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2258		3250
2259	my $qcode = $code;	3251	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2262		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2263	local $_;	3258	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3259
2266	my $eval =	3260	my $eval =
2267	"do {\n"	3261	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3264	. $code
2271	. "\n}"	3265	. "\n}"
2272	;	3266	;
2273		3267
		3268	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2277		3277
2278	if ($@) {	3278	if ($@) {
2279	warn "$@";	3279	warn "$@";
2280	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2281	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2300	=cut	3300	=cut
2301		3301
2302	sub register_script_function {	3302	sub register_script_function {
2303	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2304		3304
2305	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2307	}	3307	}
2308		3308
2309	=back	3309	=back
2310		3310
2311	=cut	3311	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3312
2485	#############################################################################	3313	#############################################################################
2486	# the server's init and main functions	3314	# the server's init and main functions
2487		3315
2488	sub load_facedata($) {	3316	sub load_facedata($) {
2489	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3324
2491	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2492		3326
2493	my $facedata;	3327	my $facedata;
2494	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2498		3332
2499	$facedata->{version} == 2	3333	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2502	{	3345	{
2503	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2504		3347
2505	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3355
		3356	cf::cede_to_tick;
2511	}	3357	}
2512		3358
2513	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2515	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2516	or next;	3363	or next;
		3364
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3368	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3370	}
2522	Coro::cede;	3371
		3372	cf::cede_to_tick;
2523	}	3373	}
2524	}	3374	}
2525		3375
2526	{	3376	{
2527	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2528		3378
2529	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3381	cf::cede_to_tick;
2532	}	3382	}
2533		3383
2534	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2535	}	3385	}
2536		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2537	1	3406	1
2538	}	3407	}
2539		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2540	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2541	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
2543	}	3459	}
2544		3460
2545	sub reload_facedata {	3461	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2558	}	3474	}
2559		3475
2560	sub reload_resources {	3476	sub reload_resources {
2561	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2562		3478
2563	reload_regions;
2564	reload_facedata;	3479	reload_facedata;
2565	reload_archetypes;	3480	reload_archetypes;
		3481	reload_regions;
2566	reload_treasures;	3482	reload_treasures;
2567		3483
2568	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2569	}	3485	}
2570		3486
2571	sub init {	3487	sub reload_config {
2572	reload_resources;	3488	warn "reloading config file...\n";
2573	}
2574		3489
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3491	or return;
2578		3492
2579	local $/;	3493	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2581		3495
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3497
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3505	};
2592	warn $@ if $@;	3506	warn $@ if $@;
2593	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3538	}
2595		3539
2596	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2597	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3553	(async {
2601	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
2603	};	3557	};
2604		3558
2605	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2606	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2607	load_extensions;	3582	load_extensions;
2608		3583
2609	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	cf::object::thawer::errors_are_fatal 0;
		3594
		3595	main_loop;
2611	}	3596	}
2612		3597
2613	#############################################################################	3598	#############################################################################
2614	# initialisation and cleanup	3599	# initialisation and cleanup
2615		3600
2616	# install some emergency cleanup handlers	3601	# install some emergency cleanup handlers
2617	BEGIN {	3602	BEGIN {
		3603	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3604	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3605	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3606	cf::cleanup "SIG$signal";
2626	},
2627	);	3607	};
		3608	}
		3609	}
		3610
		3611	sub write_runtime_sync {
		3612	my $t0 = AE::time;
		3613
		3614	# first touch the runtime file to show we are still running:
		3615	# the fsync below can take a very very long time.
		3616
		3617	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3618
		3619	my $guard = cf::lock_acquire "write_runtime";
		3620
		3621	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3622	or return;
		3623
		3624	my $value = $cf::RUNTIME + 90 + 10;
		3625	# 10 is the runtime save interval, for a monotonic clock
		3626	# 60 allows for the watchdog to kill the server.
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	# touch it again to show we are up-to-date
		3636	aio_utime $fh, undef, undef;
		3637
		3638	close $fh
		3639	or return;
		3640
		3641	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3642	and return;
		3643
		3644	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3645
2628	}	3646	1
		3647	}
		3648
		3649	our $uuid_lock;
		3650	our $uuid_skip;
		3651
		3652	sub write_uuid_sync($) {
		3653	$uuid_skip ||= $_[0];
		3654
		3655	return if $uuid_lock;
		3656	local $uuid_lock = 1;
		3657
		3658	my $uuid = "$LOCALDIR/uuid";
		3659
		3660	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3661	or return;
		3662
		3663	my $value = uuid_seq uuid_cur;
		3664
		3665	unless ($value) {
		3666	warn "cowardly refusing to write zero uuid value!\n";
		3667	return;
		3668	}
		3669
		3670	my $value = uuid_str $value + $uuid_skip;
		3671	$uuid_skip = 0;
		3672
		3673	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3674	and return;
		3675
		3676	# always fsync - this file is important
		3677	aio_fsync $fh
		3678	and return;
		3679
		3680	close $fh
		3681	or return;
		3682
		3683	aio_rename "$uuid~", $uuid
		3684	and return;
		3685
		3686	warn "uuid file written ($value).\n";
		3687
		3688	1
		3689
		3690	}
		3691
		3692	sub write_uuid($$) {
		3693	my ($skip, $sync) = @_;
		3694
		3695	$sync ? write_uuid_sync $skip
		3696	: async { write_uuid_sync $skip };
2629	}	3697	}
2630		3698
2631	sub emergency_save() {	3699	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3700	my $freeze_guard = cf::freeze_mainloop;
2633		3701
2634	warn "enter emergency perl save\n";	3702	warn "emergency_perl_save: enter\n";
2635		3703
2636	cf::sync_job {	3704	cf::sync_job {
		3705	# this is a trade-off: we want to be very quick here, so
		3706	# save all maps without fsync, and later call a global sync
		3707	# (which in turn might be very very slow)
		3708	local $USE_FSYNC = 0;
		3709
2637	# use a peculiar iteration method to avoid tripping on perl	3710	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3711	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3712	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3713	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3714	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3715	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3716	$pl->valid or next;
		3717	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3718	$pl->save;
2645	}	3719	}
2646	warn "end emergency player save\n";	3720	warn "emergency_perl_save: end player save\n";
2647		3721
2648	warn "begin emergency map save\n";	3722	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3723	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3724	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3725	$map->valid or next;
2652	$map->save;	3726	$map->save;
2653	}	3727	}
2654	warn "end emergency map save\n";	3728	warn "emergency_perl_save: end map save\n";
2655		3729
2656	warn "begin emergency database checkpoint\n";	3730	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3731	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3732	warn "emergency_perl_save: end database checkpoint\n";
		3733
		3734	warn "emergency_perl_save: begin write uuid\n";
		3735	write_uuid_sync 1;
		3736	warn "emergency_perl_save: end write uuid\n";
2659	};	3737	};
2660		3738
		3739	warn "emergency_perl_save: starting sync()\n";
		3740	IO::AIO::aio_sync sub {
		3741	warn "emergency_perl_save: finished sync()\n";
		3742	};
		3743
2661	warn "leave emergency perl save\n";	3744	warn "emergency_perl_save: leave\n";
2662	}	3745	}
2663		3746
2664	sub post_cleanup {	3747	sub post_cleanup {
2665	my ($make_core) = @_;	3748	my ($make_core) = @_;
2666		3749
2667	warn Carp::longmess "post_cleanup backtrace"	3750	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3751	if $make_core;
		3752
		3753	my $fh = pidfile;
		3754	unlink $PIDFILE if <$fh> == $$;
		3755	}
		3756
		3757	# a safer delete_package, copied from Symbol
		3758	sub clear_package($) {
		3759	my $pkg = shift;
		3760
		3761	# expand to full symbol table name if needed
		3762	unless ($pkg =~ /^main::.*::$/) {
		3763	$pkg = "main$pkg" if $pkg =~ /^::/;
		3764	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3765	$pkg .= '::' unless $pkg =~ /::$/;
		3766	}
		3767
		3768	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3769	my $stem_symtab = *{$stem}{HASH};
		3770
		3771	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3772	or return;
		3773
		3774	# clear all symbols
		3775	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3776	for my $name (keys %$leaf_symtab) {
		3777	_gv_clear *{"$pkg$name"};
		3778	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3779	}
		3780	warn "cleared package $pkg\n";#d#
2669	}	3781	}
2670		3782
2671	sub do_reload_perl() {	3783	sub do_reload_perl() {
2672	# can/must only be called in main	3784	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3785	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3786	warn "can only reload from main coroutine";
2675	return;	3787	return;
2676	}	3788	}
2677		3789
		3790	return if $RELOAD++;
		3791
		3792	my $t1 = AE::time;
		3793
		3794	while ($RELOAD) {
2678	warn "reloading...";	3795	warn "reloading...";
2679		3796
2680	warn "entering sync_job";	3797	warn "entering sync_job";
2681		3798
2682	cf::sync_job {	3799	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3801	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3802	cf::write_runtime_sync; # external watchdog should not bark
2686		3803
2687	warn "syncing database to disk";	3804	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3805	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3806
2690	# if anything goes wrong in here, we should simply crash as we already saved	3807	# if anything goes wrong in here, we should simply crash as we already saved
2691		3808
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3809	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3810	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3812	}
2728		3813
2729	warn "... nuking $pkg";	3814	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3815	$_->cancel for values %EXT_CORO;
2731	}	3816	%EXT_CORO = ();
2732		3817
2733	warn "unloading all perl modules loaded from $LIBDIR";	3818	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3819	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3820
		3821	warn "removing ext/exti commands";
		3822	%EXTCMD = ();
		3823	%EXTICMD = ();
		3824
		3825	warn "unloading/nuking all extensions";
		3826	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3827	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3828
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3829	if (my $cb = $pkg->can ("unload")) {
		3830	eval {
2744	$cb->();	3831	$cb->($pkg);
		3832	1
		3833	} or warn "$pkg unloaded, but with errors: $@";
		3834	}
		3835
		3836	warn "... clearing $pkg";
		3837	clear_package $pkg;
2745	}	3838	}
2746		3839
2747	Symbol::delete_package $k;	3840	warn "unloading all perl modules loaded from $LIBDIR";
		3841	while (my ($k, $v) = each %INC) {
		3842	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3843
		3844	warn "... unloading $k";
		3845	delete $INC{$k};
		3846
		3847	$k =~ s/\.pm$//;
		3848	$k =~ s/\//::/g;
		3849
		3850	if (my $cb = $k->can ("unload_module")) {
		3851	$cb->();
		3852	}
		3853
		3854	clear_package $k;
2748	}	3855	}
2749		3856
2750	warn "getting rid of safe::, as good as possible";	3857	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3858	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3859	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3860
2754	warn "unloading cf.pm \"a bit\"";	3861	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3862	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3863	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3864
2758	# don't, removes xs symbols, too,	3865	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3866	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3867	#clear_package __PACKAGE__;
2761		3868
2762	warn "unload completed, starting to reload now";	3869	warn "unload completed, starting to reload now";
2763		3870
2764	warn "reloading cf.pm";	3871	warn "reloading cf.pm";
2765	require cf;	3872	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3873	cf::_connect_to_perl_1;
2767		3874
2768	warn "loading config and database again";	3875	warn "loading config and database again";
2769	cf::cfg_load;	3876	cf::reload_config;
2770		3877
2771	warn "loading extensions";	3878	warn "loading extensions";
2772	cf::load_extensions;	3879	cf::load_extensions;
2773		3880
		3881	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3882	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3883	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3884	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3885	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3886	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3887	reattach $_ for values %PLAYER;
		3888	}
2780		3889
		3890	warn "running post_init jobs";
		3891	(pop @POST_INIT)->(1) while @POST_INIT;
		3892
2781	warn "leaving sync_job";	3893	warn "leaving sync_job";
2782		3894
2783	1	3895	1
2784	} or do {	3896	} or do {
2785	warn $@;	3897	warn $@;
2786	warn "error while reloading, exiting.";	3898	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3899	};
2789		3900
2790	warn "reloaded";	3901	warn "reloaded";
		3902	--$RELOAD;
		3903	}
		3904
		3905	$t1 = AE::time - $t1;
		3906	warn "reload completed in ${t1}s\n";
2791	};	3907	};
2792		3908
2793	our $RELOAD_WATCHER; # used only during reload	3909	our $RELOAD_WATCHER; # used only during reload
2794		3910
2795	sub reload_perl() {	3911	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3912	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3913	# coro crashes during coro_state_free->destroy here.
2798		3914
2799	$RELOAD_WATCHER ||= Event->timer (	3915	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3916	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3917
2802	data => WF_AUTOCANCEL,	3918	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3919	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3920	undef $RELOAD_WATCHER;
2806	},	3921	};
2807	);	3922	};
2808	}	3923	}
2809		3924
2810	register_command "reload" => sub {	3925	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3926	my ($who, $arg) = @_;
2812		3927
2813	if ($who->flag (FLAG_WIZ)) {	3928	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3929	$who->message ("reloading server.");
		3930	async {
		3931	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3932	reload_perl;
		3933	};
2816	}	3934	}
2817	};	3935	};
2818		3936
2819	unshift @INC, $LIBDIR;	3937	unshift @INC, $LIBDIR;
2820		3938
…		…
2822		3940
2823	our @WAIT_FOR_TICK;	3941	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3942	our @WAIT_FOR_TICK_BEGIN;
2825		3943
2826	sub wait_for_tick {	3944	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3945	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		3946
2830	my $signal = new Coro::Signal;	3947	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3948	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3949	$signal->wait;
2833	}	3950	}
2834		3951
2835	sub wait_for_tick_begin {	3952	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3953	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3954
2839	my $signal = new Coro::Signal;	3955	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3956	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3957	$signal->wait;
2842	}	3958	}
2843		3959
2844	my $min = 1e6;#d#	3960	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3961	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3962	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3963	unless ++$bug_warning > 10;
2856	return;	3964	return;
2857	}	3965	}
2858		3966
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3967	cf::server_tick; # one server iteration
2862		3968
2863	0 && sync_job {#d#	3969	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		3970
2869	$map->width (50);	3971	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	3972	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	3973	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	3974	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	3975	write_runtime_sync
2874		3976	or warn "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3977	};
		3978	}
2885		3979
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3981	$sig->send;
2902	}	3982	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3983	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3984	$sig->send;
2905	}	3985	}
2906		3986
2907	$NOW = Event::time;	3987	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3988	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3989
2918	_post_tick;	3990	if (0) {
2919		3991	if ($NEXT_TICK) {
2920		3992	my $jitter = $TICK_START - $NEXT_TICK;
		3993	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3994	warn "jitter $JITTER\n";#d#
		3995	}
2921	},	3996	}
2922	);	3997	}
2923		3998
2924	{	3999	{
2925	BDB::max_poll_time $TICK * 0.1;	4000	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4001
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4002	BDB::min_parallel 16;
2935		4003	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4004	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4005
2951	unless ($DB_ENV) {	4006	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4007	$DB_ENV = BDB::db_env_create;
		4008	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4009	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4010	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4011	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4012	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4013
2954	cf::sync_job {	4014	cf::sync_job {
2955	eval {	4015	eval {
2956	BDB::db_env_open	4016	BDB::db_env_open
2957	$DB_ENV,	4017	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4019	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4020	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4021	0666;
2962		4022
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4023	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4024	};
2968		4025
2969	cf::cleanup "db_env_open(db): $@" if $@;	4026	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4027	};
2971	}	4028	}
		4029
		4030	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4031	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4032	};
		4033	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4034	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4035	};
		4036	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4037	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4038	};
2972	}	4039	}
2973		4040
2974	{	4041	{
		4042	# configure IO::AIO
		4043
2975	IO::AIO::min_parallel 8;	4044	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4045	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4046	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4047	}
2988		4048
2989	my $_log_backtrace;	4049	my $_log_backtrace;
2990		4050
2991	sub _log_backtrace {	4051	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4054	$msg =~ s/\n//;
2995		4055
2996	# limit the # of concurrent backtraces	4056	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4057	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4058	++$_log_backtrace;
		4059	my $perl_bt = Carp::longmess $msg;
2999	async {	4060	async {
		4061	$Coro::current->{desc} = "abt $msg";
		4062
3000	my @bt = fork_call {	4063	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4064	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4065	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4066	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4067	or die "addr2line: $!";
…		…
3012	}	4075	}
3013		4076
3014	@funcs	4077	@funcs
3015	};	4078	};
3016		4079
3017	LOG llevInfo, "[ABT] $msg\n";	4080	LOG llevInfo, "[ABT] $perl_bt\n";
		4081	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4082	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4083	--$_log_backtrace;
3020	};	4084	};
3021	} else {	4085	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4086	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4087	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4088	}
3025	}	4089	}
3026		4090
3027	# load additional modules	4091	# load additional modules
3028	use cf::pod;	4092	require "cf/$_.pm" for @EXTRA_MODULES;
		4093	cf::_connect_to_perl_2;
3029		4094
3030	END { cf::emergency_save }	4095	END { cf::emergency_save }
3031		4096
3032	1	4097	1
3033		4098

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