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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 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";
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 || []};	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},
…		…
1361	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1362	return $self;	1896	return $self;
1363	}	1897	}
1364	}	1898	}
1365		1899
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1901	()
1368	}	1902	}
1369		1903
1370	sub init {	1904	sub init {
1371	my ($self) = @_;	1905	my ($self) = @_;
…		…
1393		1927
1394	# the temporary/swap location	1928	# the temporary/swap location
1395	sub save_path {	1929	sub save_path {
1396	my ($self) = @_;	1930	my ($self) = @_;
1397		1931
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1400	}	1934	}
1401		1935
1402	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1403	sub uniq_path {	1937	sub uniq_path {
1404	my ($self) = @_;	1938	my ($self) = @_;
1405		1939
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1942	}
1418		1943
1419	sub decay_objects {	1944	sub decay_objects {
1420	my ($self) = @_;	1945	my ($self) = @_;
1421		1946
…		…
1434		1959
1435	sub load_header_from($) {	1960	sub load_header_from($) {
1436	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1437		1962
1438	utf8::encode $path;	1963	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	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;
1444		1972
1445	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1446		1974
1447	1	1975	1
1448	}	1976	}
…		…
1502	sub find {	2030	sub find {
1503	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1504		2032
1505	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1506		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2037
1509	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1512	or return;	2040	or return;
1513		2041
1514	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1515		2043
…		…
1517	or return;	2045	or return;
1518		2046
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1522	$map->reset;	2052	$map->reset;
1523	undef $guard;
1524	return find $path;	2053	return find $path;
1525	}	2054	}
1526		2055
1527	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1528	}	2057	}
1529	}	2058	}
1530		2059
1531	sub pre_load { }	2060	sub pre_load { }
1532	sub post_load { }	2061	#sub post_load { } # XS
1533		2062
1534	sub load {	2063	sub load {
1535	my ($self) = @_;	2064	my ($self) = @_;
1536		2065
1537	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1538		2067
1539	my $path = $self->{path};	2068	my $path = $self->{path};
1540		2069
1541	{	2070	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1543		2072
		2073	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2075
1546	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1547		2077
1548	$self->alloc;	2078	$self->alloc;
1549		2079
1550	$self->pre_load;	2080	$self->pre_load;
1551	Coro::cede;	2081	cf::cede_to_tick;
1552		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1554	or return;	2086	or return;
1555		2087
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1557	if delete $self->{load_original};	2089	if delete $self->{load_original};
1558		2090
1559	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2092	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2095	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1564	}	2099	}
1565	}	2100	}
1566		2101
1567	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1568	# now do the right thing for maps	2105	# now do the right thing for maps
1569	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2108	unless $self->difficulty;
1572	Coro::cede;	2109	cf::cede_to_tick;
1573		2110
1574	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2112	$self->decay_objects;
1576	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1577	$self->update_buttons;	2114	$self->update_buttons;
1578	Coro::cede;	2115	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2116	$self->activate;
1582	}	2117	}
1583		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2123	}
1586		2124
1587	$self->post_load;	2125	$self->post_load;
1588	}	2126	}
1589		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2131	sub customise_for {
1591	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1592		2133
1593	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2135	if $self->per_player;
…		…
1598		2139
1599	$self	2140	$self
1600	}	2141	}
1601		2142
1602	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2144	sub load_neighbours {
1604	my ($map) = @_;	2145	my ($map) = @_;
1605		2146
1606	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1607		2148
1608	for (0 .. 3) {	2149	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1610	or next;	2151	or next;
1611	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1612	or next;	2153	or next;
1613	$neigh->load;	2154	$neigh->load;
1614		2155
		2156	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2159	}
1618		2160
1619	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1621	or next;	2164	or next;
1622	$neigh->load;	2165	$neigh->load;
1623	}	2166	}
1624	}	2167	}
1625		2168
…		…
1630	}	2173	}
1631		2174
1632	sub do_load_sync {	2175	sub do_load_sync {
1633	my ($map) = @_;	2176	my ($map) = @_;
1634		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1635	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1636	}	2182	}
1637		2183
1638	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1640		2186
1641	sub find_async {	2187	sub find_async {
1642	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1643		2189
1644	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1645		2191
1646	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2194	}
1649		2195
1650	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1651	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1652	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2203	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2204	$map->load if $v;
		2205	}
1657		2206
1658	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1659	}	2208	}
1660	}	2209	}
1661	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1662	};	2211	};
1663	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2215	}
1667		2216
1668	sub save {	2217	sub save {
1669	my ($self) = @_;	2218	my ($self) = @_;
1670		2219
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2221
1673	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1674		2223
1675	return unless $self->dirty;	2224	return unless $self->dirty;
1676		2225
…		…
1682	return if $self->{deny_save};	2231	return if $self->{deny_save};
1683		2232
1684	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1685		2234
1686	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1688	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1689		2241
1690	if ($uniq) {	2242	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2245	} else {
…		…
1699	my ($self) = @_;	2251	my ($self) = @_;
1700		2252
1701	# save first because save cedes	2253	# save first because save cedes
1702	$self->save;	2254	$self->save;
1703		2255
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2257
1706	return if $self->players;	2258	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2260	return if $self->{deny_save};
1709		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2266	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2267	}
1713		2268
1714	sub reset_at {	2269	sub reset_at {
1715	my ($self) = @_;	2270	my ($self) = @_;
1716		2271
…		…
1734		2289
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2291
1737	return if $self->players;	2292	return if $self->players;
1738		2293
1739	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
1740		2295
1741	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1742		2297
1743	# need to save uniques path	2298	# need to save uniques path
1744	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2303	if $uniq;
1749	}	2304	}
1750		2305
1751	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1752		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2310	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2311
1757	$self->unlink_save;	2312	$self->unlink_save;
1758	$self->destroy;	2313	$self->destroy;
1759	}	2314	}
1760		2315
1761	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1762		2317
1763	sub nuke {	2318	sub nuke {
1764	my ($self) = @_;	2319	my ($self) = @_;
1765		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1766	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1767		2325
1768	$self->unlink_save;	2326	$self->unlink_save;
1769		2327
1770	bless $self, "cf::map";	2328	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2333
1776	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1777		2336
1778	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
1779	}	2338	}
1780		2339
1781	=item $maps = cf::map::tmp_maps	2340	=item $maps = cf::map::tmp_maps
…		…
1823		2382
1824	sub unique_maps() {	2383	sub unique_maps() {
1825	[	2384	[
1826	map {	2385	map {
1827	utf8::decode $_;	2386	utf8::decode $_;
1828	/\.map$/	2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
1829	? normalise $_	2390	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2392	]
1833	}	2393	}
1834		2394
1835	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	}
1836		2426
1837	=back	2427	=back
1838		2428
1839	=head3 cf::object	2429	=head3 cf::object
1840		2430
…		…
1844		2434
1845	=over 4	2435	=over 4
1846		2436
1847	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1848		2438
1849	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.
1850		2441
1851	=cut	2442	=cut
1852		2443
1853	sub inv_recursive_;	2444	sub inv_recursive_;
1854	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1857		2448
1858	sub inv_recursive {	2449	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1860	}	2451	}
1861		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
1862	package cf;	2481	package cf;
1863		2482
1864	=back	2483	=back
1865		2484
1866	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1872	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>
1873	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
1874	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1875		2494
1876	=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	};
1877		2510
1878	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2512	# with dialog boxes.
1880	#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
1881	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1883		2516
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2518
1886	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1888	} 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 {
1889	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1891	}	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 (@_);
1892	}	2544	}
1893		2545
1894	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1895		2547
1896	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1909		2561
1910	=item $player_object->enter_link	2562	=item $player_object->enter_link
1911		2563
1912	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}>).
1913		2565
1914	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.
1915	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.
1916		2570
1917	Will never block.	2571	Will never block.
1918		2572
1919	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1920		2574
…		…
1972	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1973	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1974		2628
1975	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1978		2632
1979	$map->load;	2633	$map->load;
1980	$map->load_diag;	2634	$map->load_neighbours;
1981		2635
1982	return unless $self->contr->active;	2636	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2637
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1987	}
1988		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
		2643	}
		2644
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2646
1991	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
1992	her, loading and preparing them map, calling the provided $check callback	2648	her, loading and preparing them map, calling the provided $check callback
1993	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
1994	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 >>.
1995		2655
1996	=cut	2656	=cut
1997		2657
1998	our $GOTOGEN;	2658	our $GOTOGEN;
1999		2659
2000	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2662
2003	# 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
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2665
2006	$self->enter_link;	2666	$self->enter_link;
2007		2667
2008	(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
2009	my $map = eval {	2690	my $map = eval {
2010	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
2011		2692
2012	if ($map) {	2693	if ($map) {
2013	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
2015	} else {	2696	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2698	}
2018		2699
2019	$map	2700	$map
2020	};	2701	};
2021		2702
…		…
2026		2707
2027	if ($gen == $self->{_goto_generation}) {	2708	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2709	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
2030	}	2711	}
		2712
		2713	$done->() if $done;
2031	})->prio (1);	2714	})->prio (1);
2032	}	2715	}
2033		2716
2034	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
2035		2718
…		…
2055	}	2738	}
2056		2739
2057	sub prepare_random_map {	2740	sub prepare_random_map {
2058	my ($exit) = @_;	2741	my ($exit) = @_;
2059		2742
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2745	# that depends on the exit object
2065		2746
2066	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2749	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2073	}	2756	}
2074		2757
2075	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2076		2759
2077	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2080		2763
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2766	undef $fh;
2084	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2085		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2088	}	2775	}
2089	}	2776	}
2090		2777
2091	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2093		2780
2094	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2095		2782
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2783	$self->enter_link;
2108		2784
2109	(async {	2785	(async {
2110	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2111	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
2112	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2113		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
2114	1;	2809	1
2115	}) {	2810	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "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. "
2118	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2815
2121	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2140		2835
2141	utf8::encode $text;	2836	utf8::encode $text;
2142	$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);
2143	}	2838	}
2144		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
2145	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2146		3028
2147	Sends an exti event to the client.	3029	Sends an ext event to the client.
2148		3030
2149	=cut	3031	=cut
2150		3032
2151	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2153		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2155	$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	}
2156	}	3060	}
2157		3061
2158	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2159		3063
2160	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2161	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>,
2162	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>.
2163		3067
2164	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
2165	reliable at some point in the future.	3069	become reliable at some point in the future.
2166		3070
2167	=cut	3071	=cut
2168		3072
2169	sub cf::client::query {	3073	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	3082	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		3084
2181	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2183	}	3089	}
2184		3090
2185	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	},
2186	on_reply => sub {	3097	on_reply => sub {
2187	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2188		3099
2189	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2190	# get handled first	3101	# get handled first
…		…
2202	} else {	3113	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3115	}
2205	}	3116	}
2206	},	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	},
2207	);	3144	);
2208		3145
2209	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2210		3147
2211	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2227		3164
2228	$coro	3165	$coro
2229	}	3166	}
2230		3167
2231	cf::client->attach (	3168	cf::client->attach (
2232	on_destroy => sub {	3169	on_client_destroy => sub {
2233	my ($ns) = @_;	3170	my ($ns) = @_;
2234		3171
2235	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2236	},	3173	},
2237	);	3174	);
…		…
2252	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2254		3191
2255	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2256		3193
2257	$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	));
2258		3199
2259	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2260		3201
2261	=pod	3202	=pod
2262		3203
2263	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2264		3205
2265	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
2266	cf::object::player player	3211	cf::object::player
2267	cf::player peaceful	3212	player
2268	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2269		3219
2270	=cut	3220	=cut
2271		3221
2272	for (	3222	for (
2273	["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)],
2274	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2277	) {	3229	) {
2278	no strict 'refs';	3230	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2298		3250
2299	my $qcode = $code;	3251	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2302		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2303	local $_;	3258	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;
2305		3259
2306	my $eval =	3260	my $eval =
2307	"do {\n"	3261	"do {\n"
2308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2309	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2310	. $code	3264	. $code
2311	. "\n}"	3265	. "\n}"
2312	;	3266	;
2313		3267
		3268	if ($CFG{safe_eval}) {
2314	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2315	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2316	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	}
2317		3277
2318	if ($@) {	3278	if ($@) {
2319	warn "$@";	3279	warn "$@";
2320	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2321	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2340	=cut	3300	=cut
2341		3301
2342	sub register_script_function {	3302	sub register_script_function {
2343	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2344		3304
2345	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2346	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2347	}	3307	}
2348		3308
2349	=back	3309	=back
2350		3310
2351	=cut	3311	=cut
2352
2353	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524		3312
2525	#############################################################################	3313	#############################################################################
2526	# the server's init and main functions	3314	# the server's init and main functions
2527		3315
2528	sub load_facedata($) {	3316	sub load_facedata($) {
2529	my ($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;
2530		3324
2531	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2532		3326
2533	my $facedata;	3327	my $facedata;
2534	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2538		3332
2539	$facedata->{version} == 2	3333	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		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
2542	{	3345	{
2543	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2544		3347
2545	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2550	Coro::cede;	3355
		3356	cf::cede_to_tick;
2551	}	3357	}
2552		3358
2553	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2555	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2556	or next;	3363	or next;
		3364
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3368	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3370	}
2562	Coro::cede;	3371
		3372	cf::cede_to_tick;
2563	}	3373	}
2564	}	3374	}
2565		3375
2566	{	3376	{
2567	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2568		3378
2569	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3381	cf::cede_to_tick;
2572	}	3382	}
2573		3383
2574	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2575	}	3385	}
2576		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
2577	1	3406	1
2578	}	3407	}
2579		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	$status
		3445	}
		3446
2580	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2581	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2582	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 $_->{match};
		3458	}
2583	}	3459	}
2584		3460
2585	sub reload_facedata {	3461	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2598	}	3474	}
2599		3475
2600	sub reload_resources {	3476	sub reload_resources {
2601	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2602		3478
		3479	reload_facedata;
		3480	reload_archetypes;
2603	reload_regions;	3481	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3482	reload_treasures;
2608		3483
2609	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2610	}	3485	}
2611		3486
2612	sub init {	3487	sub reload_config {
2613	reload_resources;	3488	warn "reloading config file...\n";
2614	}
2615		3489
2616	sub cfg_load {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3491	or return;
2619		3492
2620	local $/;	3493	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2622		3495
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3497
2625	$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};
2626	$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};
…		…
2630	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2631	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2632	};	3505	};
2633	warn $@ if $@;	3506	warn $@ if $@;
2634	}	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;
2635	}	3538	}
2636		3539
2637	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	cf::init_experience;
		3549	cf::init_anim;
		3550	cf::init_attackmess;
		3551	cf::init_dynamic;
		3552
		3553	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3554
2638	# we must not ever block the main coroutine	3555	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3556	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3557	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3558	(async {
2642	Event::one_event;	3559	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3560	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3561	})->prio (Coro::PRIO_MAX);
2644	};	3562	};
2645		3563
2646	cfg_load;	3564	evthread_start IO::AIO::poll_fileno;
		3565
		3566	cf::sync_job {
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2647	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
2648	load_extensions;	3582	load_extensions;
2649		3583
2650	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2651	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	main_loop;
2652	}	3594	}
2653		3595
2654	#############################################################################	3596	#############################################################################
2655	# initialisation and cleanup	3597	# initialisation and cleanup
2656		3598
2657	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2658	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2667	},
2668	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2669	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2670	}	3695	}
2671		3696
2672	sub emergency_save() {	3697	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2674		3699
2675	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2676		3701
2677	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2678	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3716	$pl->save;
2686	}	3717	}
2687	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2688		3719
2689	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3723	$map->valid or next;
2693	$map->save;	3724	$map->save;
2694	}	3725	}
2695	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2696		3727
2697	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2700	};	3735	};
2701		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2702	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2703	}	3743	}
2704		3744
2705	sub post_cleanup {	3745	sub post_cleanup {
2706	my ($make_core) = @_;	3746	my ($make_core) = @_;
2707		3747
2708	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
2710	}	3779	}
2711		3780
2712	sub do_reload_perl() {	3781	sub do_reload_perl() {
2713	# can/must only be called in main	3782	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2715	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2716	return;	3785	return;
2717	}	3786	}
2718		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2719	warn "reloading...";	3793	warn "reloading...";
2720		3794
2721	warn "entering sync_job";	3795	warn "entering sync_job";
2722		3796
2723	cf::sync_job {	3797	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2725	cf::emergency_save;	3799	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2727		3801
2728	warn "syncing database to disk";	3802	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3804
2731	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2732		3806
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2744	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();
2752
2753	warn "removing commands";
2754	%COMMAND = ();
2755
2756	warn "removing ext commands";
2757	%EXTCMD = ();
2758
2759	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";
2762
2763	if (my $cb = $pkg->can ("unload")) {
2764	eval {
2765	$cb->($pkg);
2766	1
2767	} or warn "$pkg unloaded, but with errors: $@";
2768	}	3810	}
2769		3811
2770	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
2771	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
2772	}	3814	%EXT_CORO = ();
2773		3815
2774	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
2775	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2778	warn "... unloading $k";	3825	warn "... unloading $pkg";
2779	delete $INC{$k};
2780		3826
2781	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;
2783
2784	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2785	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2786	}	3836	}
2787		3837
2788	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2789	}	3853	}
2790		3854
2791	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3858
2795	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		3862
2799	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3864	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2802		3866
2803	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
2804		3868
2805	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2806	require cf;	3870	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2808		3872
2809	warn "loading config and database again";	3873	warn "loading config and database again";
2810	cf::cfg_load;	3874	cf::reload_config;
2811		3875
2812	warn "loading extensions";	3876	warn "loading extensions";
2813	cf::load_extensions;	3877	cf::load_extensions;
2814		3878
		3879	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
2821		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
2822	warn "leaving sync_job";	3891	warn "leaving sync_job";
2823		3892
2824	1	3893	1
2825	} or do {	3894	} or do {
2826	warn $@;	3895	warn $@;
2827	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3897	};
2830		3898
2831	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
2832	};	3905	};
2833		3906
2834	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
2835		3908
2836	sub reload_perl() {	3909	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
2839		3912
2840	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	3915
2843	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	3917	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
2847	},	3919	};
2848	);	3920	};
2849	}	3921	}
2850		3922
2851	register_command "reload" => sub {	3923	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2853		3925
2854	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3930	reload_perl;
		3931	};
2857	}	3932	}
2858	};	3933	};
2859		3934
2860	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2861		3936
…		…
2863		3938
2864	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
2866		3941
2867	sub wait_for_tick {	3942	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2870		3944
2871	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	3947	$signal->wait;
2874	}	3948	}
2875		3949
2876	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2879		3952
2880	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3955	$signal->wait;
2883	}	3956	}
2884		3957
2885	my $min = 1e6;#d#	3958	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
2897	return;	3962	return;
2898	}	3963	}
2899		3964
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2903		3966
2904	0 && sync_job {#d#	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		3968
2910	$map->width (50);	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	3971	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	3972	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	3973	write_runtime_sync
2915		3974	or warn "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3975	};
		3976	}
2926		3977
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3979	$sig->send;
2943	}	3980	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3982	$sig->send;
2946	}	3983	}
2947		3984
2948	$NOW = Event::time;	3985	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3987
2959	_post_tick;	3988	if (0) {
2960		3989	if ($NEXT_TICK) {
2961		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
2962	},	3994	}
2963	);	3995	}
2964		3996
2965	{	3997	{
2966	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3999
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
2976		4001	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		4003
2992	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		4011
2995	cf::sync_job {	4012	cf::sync_job {
2996	eval {	4013	eval {
2997	BDB::db_env_open	4014	BDB::db_env_open
2998	$DB_ENV,	4015	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	4019	0666;
3003		4020
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	4022	};
3009		4023
3010	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	4025	};
3012	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
3013	}	4037	}
3014		4038
3015	{	4039	{
		4040	# configure IO::AIO
		4041
3016	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	4045	}
3029		4046
3030	my $_log_backtrace;	4047	my $_log_backtrace;
3031		4048
3032	sub _log_backtrace {	4049	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
3036		4053
3037	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
3040	async {	4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
3041	my @bt = fork_call {	4061	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	4065	or die "addr2line: $!";
…		…
3053	}	4073	}
3054		4074
3055	@funcs	4075	@funcs
3056	};	4076	};
3057		4077
3058	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	4081	--$_log_backtrace;
3061	};	4082	};
3062	} else {	4083	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
3065	}	4086	}
3066	}	4087	}
3067		4088
3068	# load additional modules	4089	# load additional modules
3069	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
3070		4092
3071	END { cf::emergency_save }	4093	END { cf::emergency_save }
3072		4094
3073	1	4095	1
3074		4096

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