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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 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 timer.
		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	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		595
419	# touch it again to show we are up-to-date	596	=cut
420	aio_utime $fh, undef, undef;
421		597
422	close $fh	598	our %coin_alias = (
423	or return;	599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
424		614
425	aio_rename "$runtime~", $runtime	615	sub coin_from_name($) {
426	and return;	616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
427		620
428	warn "runtime file written.\n";	621	=item $value = cf::db_get $family => $key
429		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
430	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
431	}	746	}
432		747
433	=item cf::datalog type => key => value, ...	748	=item cf::datalog type => key => value, ...
434		749
435	Log a datalog packet of the given type with the given key-value pairs.	750	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		762
448	#############################################################################	763	#############################################################################
449		764
450	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
451		766
452	Many objects in crossfire are so-called attachable objects. That means you can	767	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")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
455		770
456	In the following description, CLASS can be any of C<global>, C<object>	771	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	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	773	Deliantra).
459		774
460	=over 4	775	=over 4
461		776
462	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
463		778
…		…
507	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
508		823
509	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
511		826
512	Some classes such as crossfire maps and objects can specify attachments	827	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.	828	that are attached at load/instantiate time, thus the need for a name.
514		829
515	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
516		831
517	=over 4	832	=over 4
…		…
665	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
666	}	981	}
667		982
668	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
669	} else {	984	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	986	}
672		987
673	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
674	}	989	}
675		990
…		…
715	";	1030	";
716	die if $@;	1031	die if $@;
717	}	1032	}
718		1033
719	our $override;	1034	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1036
722	sub override {	1037	sub override {
723	$override = 1;	1038	$override = 1;
724	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
725	}	1040	}
726		1041
727	sub do_invoke {	1042	sub do_invoke {
728	my $event = shift;	1043	my $event = shift;
729	my $callbacks = shift;	1044	my $callbacks = shift;
730		1045
731	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
732		1047
733	local $override;	1048	local $override;
734		1049
735	for (@$callbacks) {	1050	for (@$callbacks) {
736	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
745	}	1060	}
746		1061
747	0	1062	0
748	}	1063	}
749		1064
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1066
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1068
754	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
755		1070
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	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	1072	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1074
760	=back	1075	=back
761		1076
762	=cut	1077	=cut
763		1078
764	#############################################################################	1079	#############################################################################
765	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
766		1123
767	sub reattach {	1124	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1126	my ($obj) = @_;
770		1127
		1128	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1130
773	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
774		1132
775	@$registry = ();	1133	@$registry = ();
776		1134
…		…
791	cf::attachable->attach (	1149	cf::attachable->attach (
792	prio => -1000000,	1150	prio => -1000000,
793	on_instantiate => sub {	1151	on_instantiate => sub {
794	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
795		1153
796	$data = from_json $data;	1154	$data = decode_json $data;
797		1155
798	for (@$data) {	1156	for (@$data) {
799	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
800		1158
801	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1175	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
819		1177
820	sync_job {	1178	sync_job {
821	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
824		1183
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
829	close $fh;	1191	aio_close $fh;
830		1192
831	if (@$objs) {	1193	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1202	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
839	}	1204	}
840	} else {	1205	} else {
841	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
842	}	1207	}
843		1208
844	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1213	} else {
846	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
847	}	1215	}
848	} else {	1216	} else {
849	aio_unlink $filename;	1217	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
851	}	1219	}
852	}	1220	};
853	}	1221	}
854		1222
855	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
857		1225
…		…
869	or return;	1237	or return;
870		1238
871	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
873	or return;	1241	or return;
		1242
874	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
875	}	1245	}
876		1246
		1247	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
879	return ($data, $av);	1251	($data, $av)
880	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
881		1259
882	#############################################################################	1260	#############################################################################
883	# command handling &c	1261	# command handling &c
884		1262
885	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1277	}
900		1278
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1280
903	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
904		1286
905	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
906	called.	1288	called.
907		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
908	=cut	1301	=cut
909		1302
910	sub register_extcmd {	1303	sub register_extcmd {
911	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
912		1305
913	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
914	}	1307	}
915		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
916	cf::player->attach (	1317	cf::player->attach (
917	on_command => sub {	1318	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
919		1320
920	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
921	or return;	1322	or return;
922		1323
…		…
927	cf::override;	1328	cf::override;
928	},	1329	},
929	on_extcmd => sub {	1330	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
931		1332
932	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1334
934	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
940	} else {	1350	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1352	}
943		1353
944	cf::override;	1354	cf::override;
945	},	1355	},
946	);	1356	);
947		1357
		1358	# "readahead" all extensions
948	sub load_extension {	1359	sub cache_extensions {
949	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
950		1361
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1364	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	}	1365	}
976	die $@;
977	}	1366	};
978		1367
979	push @EXTS, $pkg;	1368	$grp
980	}	1369	}
981		1370
982	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
983	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1376	next unless -r $path;
985	eval {	1377
986	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
987	1	1438	}
988	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
989	}	1449	};
990	}	1450	}
991		1451
992	#############################################################################	1452	#############################################################################
993		1453
		1454	=back
		1455
994	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
995		1457
996	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
997		1459
998	=cut	1460	=cut
999		1461
1000	package cf::player;	1462	package cf::player;
1001		1463
1002	use Coro::AIO;	1464	use Coro::AIO;
1003		1465
1004	=head3 cf::player	1466	=head3 cf::player
1005		1467
1006	=over 4	1468	=over 4
		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
1007		1483
1008	=item cf::player::find $login	1484	=item cf::player::find $login
1009		1485
1010	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1011		1487
…		…
1030		1506
1031	sub exists($) {	1507	sub exists($) {
1032	my ($login) = @_;	1508	my ($login) = @_;
1033		1509
1034	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1036	}	1512	}
1037		1513
1038	sub find($) {	1514	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1516	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1527
1052	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1055	}	1537	}
1056	}	1538	}
1057	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1058		1553
1059	sub save($) {	1554	sub save($) {
1060	my ($pl) = @_;	1555	my ($pl) = @_;
1061		1556
1062	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1068		1563
1069	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1071		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1072	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1073	Coro::cede;	1573	cf::cede_to_tick;
1074	}	1574	}
1075		1575
1076	sub new($) {	1576	sub new($) {
1077	my ($login) = @_;	1577	my ($login) = @_;
1078		1578
…		…
1084	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1085		1585
1086	$self	1586	$self
1087	}	1587	}
1088		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1089	=item $pl->quit_character	1599	=item $pl->quit_character
1090		1600
1091	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1093		1603
…		…
1097	my ($pl) = @_;	1607	my ($pl) = @_;
1098		1608
1099	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1100		1610
1101	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1613
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1108		1620
1109	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1658	or return [];
1147		1659
1148	my @logins;	1660	my @logins;
1149		1661
1150	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1154		1672
1155	utf8::decode $login;	1673	utf8::decode $login;
1156	push @logins, $login;	1674	push @logins, $login;
1157	}	1675	}
1158		1676
…		…
1185	}	1703	}
1186		1704
1187	\@paths	1705	\@paths
1188	}	1706	}
1189		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1190	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1191		1713
1192	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1193		1715
1194	=cut	1716	=cut
1195		1717
1196	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1198		1720
1199	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1722	}
1203		1723
1204	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1205		1725
1206	Sends an ext event to the client.	1726	Sends an ext event to the client.
1207		1727
1208	=cut	1728	=cut
1209		1729
1210	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1212		1732
1213	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1214	}	1734	}
1215		1735
1216	=head3 cf::region	1736	=head3 cf::region
1217		1737
1218	=over 4	1738	=over 4
…		…
1221		1741
1222	package cf::region;	1742	package cf::region;
1223		1743
1224	=item cf::region::find_by_path $path	1744	=item cf::region::find_by_path $path
1225		1745
1226	Tries to decuce the probable region for a map knowing only its path.	1746	Tries to decuce the likely region for a map knowing only its path.
1227		1747
1228	=cut	1748	=cut
1229		1749
1230	sub find_by_path($) {	1750	sub find_by_path($) {
1231	my ($path) = @_;	1751	my ($path) = @_;
1232		1752
1233	my ($match, $specificity);	1753	my ($match, $specificity);
1234		1754
1235	for my $region (list) {	1755	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1239	}	1759	}
1240	}	1760	}
1241		1761
…		…
1262	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1264		1784
1265	sub generate_random_map {	1785	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1267	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1791	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1361	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1362	return $self;	1885	return $self;
1363	}	1886	}
1364	}	1887	}
1365		1888
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1890	()
1368	}	1891	}
1369		1892
1370	sub init {	1893	sub init {
1371	my ($self) = @_;	1894	my ($self) = @_;
…		…
1393		1916
1394	# the temporary/swap location	1917	# the temporary/swap location
1395	sub save_path {	1918	sub save_path {
1396	my ($self) = @_;	1919	my ($self) = @_;
1397		1920
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1400	}	1923	}
1401		1924
1402	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1403	sub uniq_path {	1926	sub uniq_path {
1404	my ($self) = @_;	1927	my ($self) = @_;
1405		1928
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1417	}	1931	}
1418		1932
1419	sub decay_objects {	1933	sub decay_objects {
1420	my ($self) = @_;	1934	my ($self) = @_;
1421		1935
…		…
1434		1948
1435	sub load_header_from($) {	1949	sub load_header_from($) {
1436	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1437		1951
1438	utf8::encode $path;	1952	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1444		1961
1445	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1446		1963
1447	1	1964	1
1448	}	1965	}
…		…
1502	sub find {	2019	sub find {
1503	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1504		2021
1505	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1506		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2026
1509	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1512	or return;	2029	or return;
1513		2030
1514	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1515		2032
…		…
1517	or return;	2034	or return;
1518		2035
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1522	$map->reset;	2041	$map->reset;
1523	undef $guard;
1524	return find $path;	2042	return find $path;
1525	}	2043	}
1526		2044
1527	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1528	}	2046	}
1529	}	2047	}
1530		2048
1531	sub pre_load { }	2049	sub pre_load { }
1532	sub post_load { }	2050	#sub post_load { } # XS
1533		2051
1534	sub load {	2052	sub load {
1535	my ($self) = @_;	2053	my ($self) = @_;
1536		2054
1537	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1538		2056
1539	my $path = $self->{path};	2057	my $path = $self->{path};
1540		2058
1541	{	2059	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1543		2061
		2062	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2064
1546	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1547		2066
1548	$self->alloc;	2067	$self->alloc;
1549		2068
1550	$self->pre_load;	2069	$self->pre_load;
1551	Coro::cede;	2070	cf::cede_to_tick;
1552		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1554	or return;	2075	or return;
1555		2076
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1557	if delete $self->{load_original};	2078	if delete $self->{load_original};
1558		2079
1559	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2081	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2084	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1564	}	2088	}
1565	}	2089	}
1566		2090
1567	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1568	# now do the right thing for maps	2094	# now do the right thing for maps
1569	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2097	unless $self->difficulty;
1572	Coro::cede;	2098	cf::cede_to_tick;
1573		2099
1574	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2101	$self->decay_objects;
1576	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1577	$self->update_buttons;	2103	$self->update_buttons;
1578	Coro::cede;	2104	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2105	$self->activate;
1582	}	2106	}
1583		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2112	}
1586		2113
1587	$self->post_load;	2114	$self->post_load;
1588	}	2115	}
1589		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2120	sub customise_for {
1591	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1592		2122
1593	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2124	if $self->per_player;
…		…
1598		2128
1599	$self	2129	$self
1600	}	2130	}
1601		2131
1602	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2133	sub load_neighbours {
1604	my ($map) = @_;	2134	my ($map) = @_;
1605		2135
1606	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1607		2137
1608	for (0 .. 3) {	2138	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1610	or next;	2140	or next;
1611	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1612	or next;	2142	or next;
1613	$neigh->load;	2143	$neigh->load;
1614		2144
		2145	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2148	}
1618		2149
1619	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1621	or next;	2153	or next;
1622	$neigh->load;	2154	$neigh->load;
1623	}	2155	}
1624	}	2156	}
1625		2157
…		…
1630	}	2162	}
1631		2163
1632	sub do_load_sync {	2164	sub do_load_sync {
1633	my ($map) = @_;	2165	my ($map) = @_;
1634		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1635	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1636	}	2171	}
1637		2172
1638	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1640		2175
1641	sub find_async {	2176	sub find_async {
1642	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1643		2178
1644	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1645		2180
1646	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2183	}
1649		2184
1650	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1651	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1652	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2192	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2193	$map->load if $v;
		2194	}
1657		2195
1658	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1659	}	2197	}
1660	}	2198	}
1661	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1662	};	2200	};
1663	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2204	}
1667		2205
1668	sub save {	2206	sub save {
1669	my ($self) = @_;	2207	my ($self) = @_;
1670		2208
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2210
1673	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1674		2212
1675	return unless $self->dirty;	2213	return unless $self->dirty;
1676		2214
…		…
1682	return if $self->{deny_save};	2220	return if $self->{deny_save};
1683		2221
1684	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1685		2223
1686	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1688	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1689		2230
1690	if ($uniq) {	2231	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2234	} else {
…		…
1699	my ($self) = @_;	2240	my ($self) = @_;
1700		2241
1701	# save first because save cedes	2242	# save first because save cedes
1702	$self->save;	2243	$self->save;
1703		2244
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2246
1706	return if $self->players;	2247	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2249	return if $self->{deny_save};
1709		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2255	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2256	}
1713		2257
1714	sub reset_at {	2258	sub reset_at {
1715	my ($self) = @_;	2259	my ($self) = @_;
1716		2260
…		…
1734		2278
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2280
1737	return if $self->players;	2281	return if $self->players;
1738		2282
1739	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
1740		2284
1741	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1742		2286
1743	# need to save uniques path	2287	# need to save uniques path
1744	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2292	if $uniq;
1749	}	2293	}
1750		2294
1751	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1752		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2299	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2300
1757	$self->unlink_save;	2301	$self->unlink_save;
1758	$self->destroy;	2302	$self->destroy;
1759	}	2303	}
1760		2304
1761	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1762		2306
1763	sub nuke {	2307	sub nuke {
1764	my ($self) = @_;	2308	my ($self) = @_;
1765		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
1766	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1767		2314
1768	$self->unlink_save;	2315	$self->unlink_save;
1769		2316
1770	bless $self, "cf::map";	2317	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2322
1776	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
1777		2325
1778	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
		2327	}
		2328
		2329	=item $maps = cf::map::tmp_maps
		2330
		2331	Returns an arrayref with all map paths of currently instantiated and saved
		2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
		2337	[
		2338	map {
		2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
		2345	}
		2346
		2347	=item $maps = cf::map::random_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
		2351
		2352	=cut
		2353
		2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
1779	}	2363	}
1780		2364
1781	=item cf::map::unique_maps	2365	=item cf::map::unique_maps
1782		2366
1783	Returns an arrayref of paths of all shared maps that have	2367	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2368	instantiated unique items. May block.
1785		2369
1786	=cut	2370	=cut
1787		2371
1788	sub unique_maps() {	2372	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2373	[
1790	or return;	2374	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2375	utf8::decode $_;
1796	next if /\.pst$/;	2376	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2378	? ()
1799	push @paths, cf::map::normalise $_;	2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2381	]
1801
1802	\@paths
1803	}	2382	}
1804		2383
1805	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1806		2415
1807	=back	2416	=back
1808		2417
1809	=head3 cf::object	2418	=head3 cf::object
1810		2419
…		…
1814		2423
1815	=over 4	2424	=over 4
1816		2425
1817	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1818		2427
1819	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1820		2430
1821	=cut	2431	=cut
1822		2432
1823	sub inv_recursive_;	2433	sub inv_recursive_;
1824	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1827		2437
1828	sub inv_recursive {	2438	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1830	}	2440	}
1831		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1832	package cf;	2470	package cf;
1833		2471
1834	=back	2472	=back
1835		2473
1836	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1845		2483
1846	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1847		2499
1848	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2501	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1853		2505
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2507
1856	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1858	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1861	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1862	}	2533	}
1863		2534
1864	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1865		2536
1866	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1879		2550
1880	=item $player_object->enter_link	2551	=item $player_object->enter_link
1881		2552
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2554
1884	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
1886		2559
1887	Will never block.	2560	Will never block.
1888		2561
1889	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1890		2563
…		…
1942	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1944		2617
1945	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1948		2621
1949	$map->load;	2622	$map->load;
1950	$map->load_diag;	2623	$map->load_neighbours;
1951		2624
1952	return unless $self->contr->active;	2625	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2626
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
1957	}
1958		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
		2632	}
		2633
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2635
1961	Moves the player to the given map-path and coordinates by first freezing	2636	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2638	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2639	the new (success) or old (failed) map position. In either case, $done will
		2640	be called at the end of this process.
		2641
		2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
1965		2644
1966	=cut	2645	=cut
1967		2646
1968	our $GOTOGEN;	2647	our $GOTOGEN;
1969		2648
1970	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2651
1973	# do generation counting so two concurrent goto's will be executed in-order	2652	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2654
1976	$self->enter_link;	2655	$self->enter_link;
1977		2656
1978	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
1979	my $map = eval {	2679	my $map = eval {
1980	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
1981		2681
1982	if ($map) {	2682	if ($map) {
1983	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
1985	} else {	2685	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2687	}
1988		2688
1989	$map	2689	$map
1990	};	2690	};
1991		2691
…		…
1996		2696
1997	if ($gen == $self->{_goto_generation}) {	2697	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2698	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
2000	}	2700	}
		2701
		2702	$done->() if $done;
2001	})->prio (1);	2703	})->prio (1);
2002	}	2704	}
2003		2705
2004	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
2005		2707
…		…
2025	}	2727	}
2026		2728
2027	sub prepare_random_map {	2729	sub prepare_random_map {
2028	my ($exit) = @_;	2730	my ($exit) = @_;
2029		2731
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2734	# that depends on the exit object
2035		2735
2036	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2738	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2043	}	2745	}
2044		2746
2045	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2046		2748
2047	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2050		2752
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2755	undef $fh;
2054	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2055		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2058	}	2764	}
2059	}	2765	}
2060		2766
2061	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2063		2769
2064	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2065		2771
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2772	$self->enter_link;
2078		2773
2079	(async {	2774	(async {
2080	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2081	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
2082	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2083		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
2084	1;	2798	1
2085	}) {	2799	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2804
2091	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2110		2824
2111	utf8::encode $text;	2825	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2827	}
2114		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2115	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2116		3017
2117	Sends an exti event to the client.	3018	Sends an ext event to the client.
2118		3019
2119	=cut	3020	=cut
2120		3021
2121	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2123		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2126	}	3049	}
2127		3050
2128	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2129		3052
2130	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3056
2134	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3058	become reliable at some point in the future.
2136		3059
2137	=cut	3060	=cut
2138		3061
2139	sub cf::client::query {	3062	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3071	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3073
2151	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
2153	}	3078	}
2154		3079
2155	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
2156	on_reply => sub {	3086	on_reply => sub {
2157	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
2158		3088
2159	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
2160	# get handled first	3090	# get handled first
…		…
2172	} else {	3102	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3104	}
2175	}	3105	}
2176	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
2177	);	3133	);
2178		3134
2179	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
2180		3136
2181	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3153
2198	$coro	3154	$coro
2199	}	3155	}
2200		3156
2201	cf::client->attach (	3157	cf::client->attach (
2202	on_destroy => sub {	3158	on_client_destroy => sub {
2203	my ($ns) = @_;	3159	my ($ns) = @_;
2204		3160
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3162	},
2207	);	3163	);
…		…
2222	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2224		3180
2225	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2226		3182
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2228		3188
2229	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2230		3190
2231	=pod	3191	=pod
2232		3192
2233	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2234		3194
2235	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2236	cf::object::player player	3200	cf::object::player
2237	cf::player peaceful	3201	player
2238	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2239		3208
2240	=cut	3209	=cut
2241		3210
2242	for (	3211	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2247	) {	3218	) {
2248	no strict 'refs';	3219	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2268		3239
2269	my $qcode = $code;	3240	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2272		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2273	local $_;	3247	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3248
2276	my $eval =	3249	my $eval =
2277	"do {\n"	3250	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3253	. $code
2281	. "\n}"	3254	. "\n}"
2282	;	3255	;
2283		3256
		3257	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2287		3266
2288	if ($@) {	3267	if ($@) {
2289	warn "$@";	3268	warn "$@";
2290	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2291	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2310	=cut	3289	=cut
2311		3290
2312	sub register_script_function {	3291	sub register_script_function {
2313	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2314		3293
2315	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2317	}	3296	}
2318		3297
2319	=back	3298	=back
2320		3299
2321	=cut	3300	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3301
2495	#############################################################################	3302	#############################################################################
2496	# the server's init and main functions	3303	# the server's init and main functions
2497		3304
2498	sub load_facedata($) {	3305	sub load_facedata($) {
2499	my ($path) = @_;	3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3313
2501	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2502		3315
2503	my $facedata;	3316	my $facedata;
2504	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2508		3321
2509	$facedata->{version} == 2	3322	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
2512	{	3334	{
2513	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2514		3336
2515	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3344
		3345	cf::cede_to_tick;
2521	}	3346	}
2522		3347
2523	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2525	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2526	or next;	3352	or next;
		3353
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3357	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3359	}
2532	Coro::cede;	3360
		3361	cf::cede_to_tick;
2533	}	3362	}
2534	}	3363	}
2535		3364
2536	{	3365	{
2537	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2538		3367
2539	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3370	cf::cede_to_tick;
2542	}	3371	}
2543		3372
2544	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2545	}	3374	}
2546		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2547	1	3395	1
2548	}	3396	}
2549		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
2550	sub reload_regions {	3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
2551	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
2553	}	3448	}
2554		3449
2555	sub reload_facedata {	3450	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3451	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3452	or die "unable to load facedata\n";
…		…
2568	}	3463	}
2569		3464
2570	sub reload_resources {	3465	sub reload_resources {
2571	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2572		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2573	reload_regions;	3470	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3471	reload_treasures;
2578		3472
2579	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2580	}	3474	}
2581		3475
2582	sub init {	3476	sub reload_config {
2583	reload_resources;	3477	warn "reloading config file...\n";
2584	}
2585		3478
2586	sub cfg_load {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3480	or return;
2589		3481
2590	local $/;	3482	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2592		3484
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3486
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2601	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2602	};	3494	};
2603	warn $@ if $@;	3495	warn $@ if $@;
2604	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2605	}	3527	}
2606		3528
2607	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2608	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3547	(async {
2612	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2614	};	3551	};
2615		3552
2616	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2617	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2618	load_extensions;	3571	load_extensions;
2619		3572
2620	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2622	}	3583	}
2623		3584
2624	#############################################################################	3585	#############################################################################
2625	# initialisation and cleanup	3586	# initialisation and cleanup
2626		3587
2627	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2628	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2637	},
2638	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2639	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2640	}	3684	}
2641		3685
2642	sub emergency_save() {	3686	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2644		3688
2645	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2646		3690
2647	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2648	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3705	$pl->save;
2656	}	3706	}
2657	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2658		3708
2659	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3712	$map->valid or next;
2663	$map->save;	3713	$map->save;
2664	}	3714	}
2665	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2666		3716
2667	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2670	};	3724	};
2671		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2672	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2673	}	3732	}
2674		3733
2675	sub post_cleanup {	3734	sub post_cleanup {
2676	my ($make_core) = @_;	3735	my ($make_core) = @_;
2677		3736
2678	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
2680	}	3768	}
2681		3769
2682	sub do_reload_perl() {	3770	sub do_reload_perl() {
2683	# can/must only be called in main	3771	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2685	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2686	return;	3774	return;
2687	}	3775	}
2688		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2689	warn "reloading...";	3782	warn "reloading...";
2690		3783
2691	warn "entering sync_job";	3784	warn "entering sync_job";
2692		3785
2693	cf::sync_job {	3786	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3788	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2697		3790
2698	warn "syncing database to disk";	3791	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3793
2701	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2702		3795
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2714	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();
2722
2723	warn "removing commands";
2724	%COMMAND = ();
2725
2726	warn "removing ext commands";
2727	%EXTCMD = ();
2728
2729	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";
2732
2733	if (my $cb = $pkg->can ("unload")) {
2734	eval {
2735	$cb->($pkg);
2736	1
2737	} or warn "$pkg unloaded, but with errors: $@";
2738	}	3799	}
2739		3800
2740	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2741	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2742	}	3803	%EXT_CORO = ();
2743		3804
2744	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2745	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2748	warn "... unloading $k";	3814	warn "... unloading $pkg";
2749	delete $INC{$k};
2750		3815
2751	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;
2753
2754	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2755	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2756	}	3825	}
2757		3826
2758	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2759	}	3842	}
2760		3843
2761	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3847
2765	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		3851
2769	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3853	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2772		3855
2773	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2774		3857
2775	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2776	require cf;	3859	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2778		3861
2779	warn "loading config and database again";	3862	warn "loading config and database again";
2780	cf::cfg_load;	3863	cf::reload_config;
2781		3864
2782	warn "loading extensions";	3865	warn "loading extensions";
2783	cf::load_extensions;	3866	cf::load_extensions;
2784		3867
		3868	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
2791		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
2792	warn "leaving sync_job";	3880	warn "leaving sync_job";
2793		3881
2794	1	3882	1
2795	} or do {	3883	} or do {
2796	warn $@;	3884	warn $@;
2797	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3886	};
2800		3887
2801	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
2802	};	3894	};
2803		3895
2804	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
2805		3897
2806	sub reload_perl() {	3898	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
2809		3901
2810	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	3904
2813	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	3906	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
2817	},	3908	};
2818	);	3909	};
2819	}	3910	}
2820		3911
2821	register_command "reload" => sub {	3912	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2823		3914
2824	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3919	reload_perl;
		3920	};
2827	}	3921	}
2828	};	3922	};
2829		3923
2830	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2831		3925
…		…
2833		3927
2834	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
2836		3930
2837	sub wait_for_tick {	3931	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840		3933
2841	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3936	$signal->wait;
2844	}	3937	}
2845		3938
2846	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849		3941
2850	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3944	$signal->wait;
2853	}	3945	}
2854		3946
2855	my $min = 1e6;#d#	3947	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
2867	return;	3951	return;
2868	}	3952	}
2869		3953
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2873		3955
2874	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2875	for(1..10) {
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		3957
2880	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	3960	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	3962	write_runtime_sync
2885		3963	or warn "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3964	};
		3965	}
2896		3966
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3968	$sig->send;
2913	}	3969	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3971	$sig->send;
2916	}	3972	}
2917		3973
2918	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3976
2929	_post_tick;	3977	if (0) {
2930		3978	if ($NEXT_TICK) {
2931		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
2932	},	3983	}
2933	);	3984	}
2934		3985
2935	{	3986	{
2936	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3988
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
2946		3990	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3992
2962	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4000
2965	cf::sync_job {	4001	cf::sync_job {
2966	eval {	4002	eval {
2967	BDB::db_env_open	4003	BDB::db_env_open
2968	$DB_ENV,	4004	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4008	0666;
2973		4009
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4011	};
2979		4012
2980	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4014	};
2982	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
2983	}	4026	}
2984		4027
2985	{	4028	{
		4029	# configure IO::AIO
		4030
2986	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4034	}
2999		4035
3000	my $_log_backtrace;	4036	my $_log_backtrace;
3001		4037
3002	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3006		4042
3007	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3010	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3011	my @bt = fork_call {	4050	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3023	}	4062	}
3024		4063
3025	@funcs	4064	@funcs
3026	};	4065	};
3027		4066
3028	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4070	--$_log_backtrace;
3031	};	4071	};
3032	} else {	4072	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3035	}	4075	}
3036	}	4076	}
3037		4077
3038	# load additional modules	4078	# load additional modules
3039	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3040		4081
3041	END { cf::emergency_save }	4082	END { cf::emergency_save }
3042		4083
3043	1	4084	1
3044		4085

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