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Revision 1.298 by root, Sun Jul 8 14:50:07 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
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		115
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	118	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		150
101	binmode STDOUT;	151	binmode STDOUT;
102	binmode STDERR;	152	binmode STDERR;
103		153
104	# read virtual server time, if available	154	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
109	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
110		162
111	mkdir $_	163	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		165
114	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
115		167
116	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::"} };
117		180
118	#############################################################################	181	#############################################################################
119		182
120	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
121		184
…		…
157		220
158	The raw value load value from the last tick.	221	The raw value load value from the last tick.
159		222
160	=item %cf::CFG	223	=item %cf::CFG
161		224
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	226	from wherever your confdir points to.
164		227
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		229
167	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
168	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
169	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.
170		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
171	=back	246	=back
172		247
173	=cut	248	=cut
174		249
175	BEGIN {	250	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	251	my $msg = join "", @_;
178		252
179	$msg .= "\n"	253	$msg .= "\n"
180	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
181		255
182	$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;
183		257
184	utf8::encode $msg;
185	LOG llevError, $msg;	258	LOG llevError, $msg;
186	};	259	};
187	}	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	};
188		274
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	285	for my $pkg (qw(
200	cf::global cf::attachable	286	cf::global cf::attachable
201	cf::object cf::object::player	287	cf::object cf::object::player
202	cf::client cf::player	288	cf::client cf::player
203	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
204	cf::map cf::party cf::region	291	cf::party cf::region
205	)) {	292	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	294	}
209		295
210	$Event::DIED = sub {	296	$EV::DIED = sub {
211	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
212	};	298	};
213		299
214	#############################################################################	300	#############################################################################
215		301
216	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	325	$d
240	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
241	}	327	}
242		328
243	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
244		330
245	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
246		332
247	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
248		334
249	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
250		336
251	=cut	337	=cut
252		338
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		340
255	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		357
258	=item cf::lock_wait $string	358	=item cf::lock_wait $string
259		359
260	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
261		361
262	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
263		363
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
267	returned.	367	returned.
268		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
269	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
270	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
271		374
272	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
273		376
274	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.
275		378
276	=cut	379	=cut
277		380
278	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
279		382
280	sub lock_wait($) {	383	sub lock_wait($) {
281	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	385	}
289		386
290	sub lock_acquire($) {	387	sub lock_acquire($) {
291	my ($key) = @_;	388	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	389	}
303		390
304	sub lock_active($) {	391	sub lock_active($) {
305	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	393	}
309		394
310	sub freeze_mainloop {	395	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
312		397
313	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
315	};	465	}
316	$TICK_WATCHER->stop;	466	};
317	$guard	467
		468	sub get_slot($;$$) {
		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	$sig->wait;
318	}	481	}
319		482
320	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
321		484
322	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		490
328	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
329		492
330	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
331		494
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	498	acceptable.
336		499
337	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		506
344	sub sync_job(&) {	507	sub sync_job(&) {
345	my ($job) = @_;	508	my ($job) = @_;
346		509
347	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	511	my $time = AE::time;
349		512
350	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
352		515
353	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	517
355	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
356		519
357	my $busy = 1;	520	my $busy = 1;
358	my @res;	521	my @res;
359		522
360	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	525	@res = eval { $job->() };
362	warn $@ if $@;	526	warn $@ if $@;
363	undef $busy;	527	undef $busy;
364	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
365		529
366	while ($busy) {	530	while ($busy) {
367	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
368	}	535	}
		536	}
369		537
370	$time = Event::time - $time;	538	my $time = AE::time - $time;
371		539
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
376		541
377	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
378	} else {	543	} else {
379	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
380		545
…		…
405	=item fork_call { }, $args	570	=item fork_call { }, $args
406		571
407	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
411		576
412	=cut	577	=cut
413		578
414	sub fork_call(&@) {	579	sub fork_call(&@) {
415	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
416		581
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	582	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		585
422	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	587	reset_signals;
436	local $SIG{__WARN__};	588	&$cb
437	local $SIG{__DIE__};	589	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		590
443	my @res = eval { $cb->(@args) };	591	wantarray ? @res : $res[-1]
		592	}
444		593
445	open my $fh, ">", \my $buf	594	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		595
450	warn "writing ", length $buf;	596	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		597
457	warn $@ if $@;	598	our %coin_alias = (
458	_exit 0;	599	"silver" => "silvercoin",
459	}	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	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
460	}	619	}
461		620
462	=item $value = cf::db_get $family => $key	621	=item $value = cf::db_get $family => $key
463		622
464	Returns a single value from the environment database.	623	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	625	=item cf::db_put $family => $key => $value
467		626
468	Stores the given C<$value> in the family. It can currently store binary	627	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		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
471	=cut	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	}
472		653
473	our $DB;	654	our $DB;
474		655
475	sub db_init {	656	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	657	cf::sync_job {
480	eval {	658	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	659	};
490	}	660	}
491		661
492	sub db_get($$) {	662	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	663	my $key = "$_[0]/$_[1]";
494		664
…		…
544	if (1) {	714	if (1) {
545	$md5 =	715	$md5 =
546	join "\x00",	716	join "\x00",
547	$processversion,	717	$processversion,
548	map {	718	map {
549	Coro::cede;	719	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	720	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	721	} 0.. $#$src;
552		722
553		723
554	my $dbmd5 = db_get cache => "$id/md5";	724	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		762
593	#############################################################################	763	#############################################################################
594		764
595	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
596		766
597	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
598	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")
599	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
600		770
601	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>
602	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
603	Crossfire TRT).	773	Deliantra).
604		774
605	=over 4	775	=over 4
606		776
607	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
608		778
…		…
652	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
653		823
654	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
655	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
656		826
657	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
658	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.
659		829
660	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
661		831
662	=over 4	832	=over 4
…		…
860	";	1030	";
861	die if $@;	1031	die if $@;
862	}	1032	}
863		1033
864	our $override;	1034	our $override;
865	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?
866		1036
867	sub override {	1037	sub override {
868	$override = 1;	1038	$override = 1;
869	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
870	}	1040	}
871		1041
872	sub do_invoke {	1042	sub do_invoke {
873	my $event = shift;	1043	my $event = shift;
874	my $callbacks = shift;	1044	my $callbacks = shift;
875		1045
876	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
877		1047
878	local $override;	1048	local $override;
879		1049
880	for (@$callbacks) {	1050	for (@$callbacks) {
881	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
890	}	1060	}
891		1061
892	0	1062	0
893	}	1063	}
894		1064
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1066
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1068
899	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
900		1070
901	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
902	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
903	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1074
905	=back	1075	=back
906		1076
907	=cut	1077	=cut
908		1078
909	#############################################################################	1079	#############################################################################
910	# 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	}
911		1123
912	sub reattach {	1124	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1126	my ($obj) = @_;
915		1127
		1128	# no longer needed after getting rid of delete_package?
916	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
917		1130
918	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
919		1132
920	@$registry = ();	1133	@$registry = ();
921		1134
…		…
936	cf::attachable->attach (	1149	cf::attachable->attach (
937	prio => -1000000,	1150	prio => -1000000,
938	on_instantiate => sub {	1151	on_instantiate => sub {
939	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
940		1153
941	$data = from_json $data;	1154	$data = decode_json $data;
942		1155
943	for (@$data) {	1156	for (@$data) {
944	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
945		1158
946	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1175	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
964		1177
965	sync_job {	1178	sync_job {
966	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
969		1183
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	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	}
974	close $fh;	1191	aio_close $fh;
975		1192
976	if (@$objs) {	1193	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
981	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	}
982	close $fh;	1202	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
984	}	1204	}
985	} else {	1205	} else {
986	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
987	}	1207	}
988		1208
989	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1213	} else {
991	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
992	}	1215	}
993	} else {	1216	} else {
994	aio_unlink $filename;	1217	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
996	}	1219	}
997	}	1220	};
998	}	1221	}
999		1222
1000	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
1002		1225
…		…
1014	or return;	1237	or return;
1015		1238
1016	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1241	or return;
		1242
1019	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
1020	}	1245	}
1021		1246
		1247	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
1024	return ($data, $av);	1251	($data, $av)
1025	}	1252	}
1026		1253
1027	=head2 COMMAND CALLBACKS	1254	=head2 COMMAND CALLBACKS
1028		1255
1029	=over 4	1256	=over 4
…		…
1083	my ($name, $cb) = @_;	1310	my ($name, $cb) = @_;
1084		1311
1085	$EXTICMD{$name} = $cb;	1312	$EXTICMD{$name} = $cb;
1086	}	1313	}
1087		1314
		1315	use File::Glob ();
		1316
1088	cf::player->attach (	1317	cf::player->attach (
1089	on_command => sub {	1318	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
1091		1320
1092	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
1093	or return;	1322	or return;
1094		1323
…		…
1102	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
1103		1332
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1334
1106	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
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
1112	} else {	1350	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1352	}
1115		1353
1116	cf::override;	1354	cf::override;
1117	},	1355	},
1118	);	1356	);
		1357
		1358	# "readahead" all extensions
		1359	sub cache_extensions {
		1360	my $grp = IO::AIO::aio_group;
		1361
		1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1363	for (grep /\.ext$/, @{$_[0]}) {
		1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1365	}
		1366	};
		1367
		1368	$grp
		1369	}
1119		1370
1120	sub load_extensions {	1371	sub load_extensions {
1121	cf::sync_job {	1372	cf::sync_job {
1122	my %todo;	1373	my %todo;
1123		1374
…		…
1143		1394
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1397
1147	$ext{source} =	1398	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1400	. "#line 1 \"$path\"\n{\n"
1150	. $source	1401	. $source
1151	. "\n};\n1";	1402	. "\n};\n1";
1152		1403
1153	$todo{$base} = \%ext;	1404	$todo{$base} = \%ext;
1154	}	1405	}
1155		1406
		1407	my $pass = 0;
1156	my %done;	1408	my %done;
1157	while (%todo) {	1409	while (%todo) {
1158	my $progress;	1410	my $progress;
1159		1411
		1412	++$pass;
		1413
		1414	ext:
1160	while (my ($k, $v) = each %todo) {	1415	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1416	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1417	next ext
1163	unless exists $done{$_};	1418	unless exists $done{$_};
1164	}	1419	}
1165		1420
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1422
1168	unless (eval $v->{source}) {	1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1426	warn "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1429	if exists $v->{meta}{mandatory};
1173	warn $msg;	1430	} else {
1174	warn "mandatory extension failed to load, exiting.\n";	1431	$done{$k} = delete $todo{$k};
1175	exit 1;	1432	push @EXTS, $v->{pkg};
1176	}	1433	$progress = 1;
1177		1434
1178	warn $msg;	1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
1179	}	1437	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1438	}
1185		1439
1186	skip:	1440	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	unless $progress;	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	}
1189	}	1448	}
1190	};	1449	};
1191	}	1450	}
1192		1451
1193	#############################################################################	1452	#############################################################################
1194		1453
1195	=back	1454	=back
1196		1455
1197	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1198		1457
1199	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1200		1459
1201	=cut	1460	=cut
1202		1461
1203	package cf::player;	1462	package cf::player;
1204		1463
1205	use Coro::AIO;	1464	use Coro::AIO;
1206		1465
1207	=head3 cf::player	1466	=head3 cf::player
1208		1467
1209	=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	}
1210		1483
1211	=item cf::player::find $login	1484	=item cf::player::find $login
1212		1485
1213	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1214		1487
…		…
1233		1506
1234	sub exists($) {	1507	sub exists($) {
1235	my ($login) = @_;	1508	my ($login) = @_;
1236		1509
1237	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1239	}	1512	}
1240		1513
1241	sub find($) {	1514	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1516	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1527
1255	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1256	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;
1257	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1258	}	1537	}
1259	}	1538	}
1260	}	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	);
1261		1553
1262	sub save($) {	1554	sub save($) {
1263	my ($pl) = @_;	1555	my ($pl) = @_;
1264		1556
1265	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1271		1563
1272	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1274		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
1275	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1276	Coro::cede;	1573	cf::cede_to_tick;
1277	}	1574	}
1278		1575
1279	sub new($) {	1576	sub new($) {
1280	my ($login) = @_;	1577	my ($login) = @_;
1281		1578
…		…
1287	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1288		1585
1289	$self	1586	$self
1290	}	1587	}
1291		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
1292	=item $pl->quit_character	1599	=item $pl->quit_character
1293		1600
1294	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
1295	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1296		1603
…		…
1300	my ($pl) = @_;	1607	my ($pl) = @_;
1301		1608
1302	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1303		1610
1304	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1305	$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
1306		1613
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1311		1620
1312	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1658	or return [];
1350		1659
1351	my @logins;	1660	my @logins;
1352		1661
1353	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") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1357		1672
1358	utf8::decode $login;	1673	utf8::decode $login;
1359	push @logins, $login;	1674	push @logins, $login;
1360	}	1675	}
1361		1676
…		…
1388	}	1703	}
1389		1704
1390	\@paths	1705	\@paths
1391	}	1706	}
1392		1707
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1709
1395	Expand crossfire pod fragments into protocol xml.	1710	Expand deliantra pod fragments into protocol xml.
1396		1711
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1444		1713
1445	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1446		1715
1447	=cut	1716	=cut
1448		1717
1449	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1451		1720
1452	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1722	}
1455		1723
1456	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1457		1725
1458	Sends an ext event to the client.	1726	Sends an ext event to the client.
1459		1727
1460	=cut	1728	=cut
1461		1729
1462	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1464		1732
1465	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1466	}	1734	}
1467		1735
1468	=head3 cf::region	1736	=head3 cf::region
1469		1737
1470	=over 4	1738	=over 4
…		…
1483	my ($path) = @_;	1751	my ($path) = @_;
1484		1752
1485	my ($match, $specificity);	1753	my ($match, $specificity);
1486		1754
1487	for my $region (list) {	1755	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1491	}	1759	}
1492	}	1760	}
1493		1761
…		…
1514	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1516		1784
1517	sub generate_random_map {	1785	sub generate_random_map {
1518	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
1519	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1791	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1613	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1614	return $self;	1885	return $self;
1615	}	1886	}
1616	}	1887	}
1617		1888
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1890	()
1620	}	1891	}
1621		1892
1622	sub init {	1893	sub init {
1623	my ($self) = @_;	1894	my ($self) = @_;
…		…
1645		1916
1646	# the temporary/swap location	1917	# the temporary/swap location
1647	sub save_path {	1918	sub save_path {
1648	my ($self) = @_;	1919	my ($self) = @_;
1649		1920
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1652	}	1923	}
1653		1924
1654	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1655	sub uniq_path {	1926	sub uniq_path {
1656	my ($self) = @_;	1927	my ($self) = @_;
1657		1928
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1931	}
1670		1932
1671	sub decay_objects {	1933	sub decay_objects {
1672	my ($self) = @_;	1934	my ($self) = @_;
1673		1935
…		…
1686		1948
1687	sub load_header_from($) {	1949	sub load_header_from($) {
1688	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1689		1951
1690	utf8::encode $path;	1952	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	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;
1696		1961
1697	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1698		1963
1699	1	1964	1
1700	}	1965	}
…		…
1754	sub find {	2019	sub find {
1755	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1756		2021
1757	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1758		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2026
1761	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1764	or return;	2029	or return;
1765		2030
1766	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1767		2032
…		…
1769	or return;	2034	or return;
1770		2035
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1774	$map->reset;	2041	$map->reset;
1775	undef $guard;
1776	return find $path;	2042	return find $path;
1777	}	2043	}
1778		2044
1779	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1780	}	2046	}
1781	}	2047	}
1782		2048
1783	sub pre_load { }	2049	sub pre_load { }
1784	sub post_load { }	2050	#sub post_load { } # XS
1785		2051
1786	sub load {	2052	sub load {
1787	my ($self) = @_;	2053	my ($self) = @_;
1788		2054
1789	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1790		2056
1791	my $path = $self->{path};	2057	my $path = $self->{path};
1792		2058
1793	{	2059	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1795		2061
		2062	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2064
1798	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1799		2066
1800	$self->alloc;	2067	$self->alloc;
1801		2068
1802	$self->pre_load;	2069	$self->pre_load;
1803	Coro::cede;	2070	cf::cede_to_tick;
1804		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1806	or return;	2075	or return;
1807		2076
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1809	if delete $self->{load_original};	2078	if delete $self->{load_original};
1810		2079
1811	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2081	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2084	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1816	}	2088	}
1817	}	2089	}
1818		2090
1819	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1820	# now do the right thing for maps	2094	# now do the right thing for maps
1821	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2097	unless $self->difficulty;
1824	Coro::cede;	2098	cf::cede_to_tick;
1825		2099
1826	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2101	$self->decay_objects;
1828	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1829	$self->update_buttons;	2103	$self->update_buttons;
1830	Coro::cede;	2104	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2105	$self->activate;
1834	}	2106	}
1835		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2112	}
1838		2113
1839	$self->post_load;	2114	$self->post_load;
1840	}	2115	}
1841		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
1842	sub customise_for {	2120	sub customise_for {
1843	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1844		2122
1845	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2124	if $self->per_player;
…		…
1850		2128
1851	$self	2129	$self
1852	}	2130	}
1853		2131
1854	# 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
1855	sub load_diag {	2133	sub load_neighbours {
1856	my ($map) = @_;	2134	my ($map) = @_;
1857		2135
1858	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1859		2137
1860	for (0 .. 3) {	2138	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1862	or next;	2140	or next;
1863	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1864	or next;	2142	or next;
1865	$neigh->load;	2143	$neigh->load;
1866		2144
		2145	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2148	}
1870		2149
1871	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1873	or next;	2153	or next;
1874	$neigh->load;	2154	$neigh->load;
1875	}	2155	}
1876	}	2156	}
1877		2157
…		…
1882	}	2162	}
1883		2163
1884	sub do_load_sync {	2164	sub do_load_sync {
1885	my ($map) = @_;	2165	my ($map) = @_;
1886		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1887	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1888	}	2171	}
1889		2172
1890	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1892		2175
1893	sub find_async {	2176	sub find_async {
1894	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1895		2178
1896	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1897		2180
1898	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2183	}
1901		2184
1902	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1903	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1904	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2192	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2193	$map->load if $v;
		2194	}
1909		2195
1910	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1911	}	2197	}
1912	}	2198	}
1913	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1914	};	2200	};
1915	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2204	}
1919		2205
1920	sub save {	2206	sub save {
1921	my ($self) = @_;	2207	my ($self) = @_;
1922		2208
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2210
1925	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1926		2212
1927	return unless $self->dirty;	2213	return unless $self->dirty;
1928		2214
…		…
1934	return if $self->{deny_save};	2220	return if $self->{deny_save};
1935		2221
1936	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1937		2223
1938	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1940	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1941		2230
1942	if ($uniq) {	2231	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2234	} else {
…		…
1951	my ($self) = @_;	2240	my ($self) = @_;
1952		2241
1953	# save first because save cedes	2242	# save first because save cedes
1954	$self->save;	2243	$self->save;
1955		2244
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2246
1958	return if $self->players;	2247	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2249	return if $self->{deny_save};
1961		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2255	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2256	}
1965		2257
1966	sub reset_at {	2258	sub reset_at {
1967	my ($self) = @_;	2259	my ($self) = @_;
1968		2260
…		…
1986		2278
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2280
1989	return if $self->players;	2281	return if $self->players;
1990		2282
1991	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
1992		2284
1993	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1994		2286
1995	# need to save uniques path	2287	# need to save uniques path
1996	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2292	if $uniq;
2001	}	2293	}
2002		2294
2003	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
2004		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2299	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2300
2009	$self->unlink_save;	2301	$self->unlink_save;
2010	$self->destroy;	2302	$self->destroy;
2011	}	2303	}
2012		2304
2013	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
2014		2306
2015	sub nuke {	2307	sub nuke {
2016	my ($self) = @_;	2308	my ($self) = @_;
2017		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
2018	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
2019		2314
2020	$self->unlink_save;	2315	$self->unlink_save;
2021		2316
2022	bless $self, "cf::map";	2317	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2322
2028	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
2029		2325
2030	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
2031	}	2327	}
2032		2328
2033	=item $maps = cf::map::tmp_maps	2329	=item $maps = cf::map::tmp_maps
…		…
2075		2371
2076	sub unique_maps() {	2372	sub unique_maps() {
2077	[	2373	[
2078	map {	2374	map {
2079	utf8::decode $_;	2375	utf8::decode $_;
2080	/\.map$/	2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
2081	? normalise $_	2379	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2380	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2381	]
2085	}	2382	}
2086		2383
2087	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	}
2088		2415
2089	=back	2416	=back
2090		2417
2091	=head3 cf::object	2418	=head3 cf::object
2092		2419
…		…
2096		2423
2097	=over 4	2424	=over 4
2098		2425
2099	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
2100		2427
2101	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.
2102		2430
2103	=cut	2431	=cut
2104		2432
2105	sub inv_recursive_;	2433	sub inv_recursive_;
2106	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
2109		2437
2110	sub inv_recursive {	2438	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
2112	}	2440	}
2113		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
2114	package cf;	2470	package cf;
2115		2471
2116	=back	2472	=back
2117		2473
2118	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
2124	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>
2125	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
2126	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
2127		2483
2128	=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	};
2129		2499
2130	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2501	# with dialog boxes.
2132	#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
2133	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
2140		2510
2141	} else {	2511	} else {
2142	my $pl = $self->contr;	2512	my $pl = $self->contr;
2143		2513
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2515	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2517
2153	} else {	2518	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2521	}
2157	}	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 (@_);
2158	}	2533	}
2159		2534
2160	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
2161		2536
2162	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
2175		2550
2176	=item $player_object->enter_link	2551	=item $player_object->enter_link
2177		2552
2178	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}>).
2179		2554
2180	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.
2181	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.
2182		2559
2183	Will never block.	2560	Will never block.
2184		2561
2185	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
2186		2563
…		…
2238	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
2240		2617
2241	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
2244		2621
2245	$map->load;	2622	$map->load;
2246	$map->load_diag;	2623	$map->load_neighbours;
2247		2624
2248	return unless $self->contr->active;	2625	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2626
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
2253	}
2254		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
		2632	}
		2633
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2635
2257	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
2258	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
2259	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
2260	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 >>.
2261		2644
2262	=cut	2645	=cut
2263		2646
2264	our $GOTOGEN;	2647	our $GOTOGEN;
2265		2648
2266	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2651
2269	# 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
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2654
2272	$self->enter_link;	2655	$self->enter_link;
2273		2656
2274	(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
2275	my $map = eval {	2679	my $map = eval {
2276	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
2277		2681
2278	if ($map) {	2682	if ($map) {
2279	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
2281	} else {	2685	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2687	}
2284		2688
2285	$map	2689	$map
2286	};	2690	};
2287		2691
…		…
2292		2696
2293	if ($gen == $self->{_goto_generation}) {	2697	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2698	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
2296	}	2700	}
		2701
		2702	$done->() if $done;
2297	})->prio (1);	2703	})->prio (1);
2298	}	2704	}
2299		2705
2300	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
2301		2707
…		…
2321	}	2727	}
2322		2728
2323	sub prepare_random_map {	2729	sub prepare_random_map {
2324	my ($exit) = @_;	2730	my ($exit) = @_;
2325		2731
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2734	# that depends on the exit object
2331		2735
2332	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2738	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2339	}	2745	}
2340		2746
2341	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2342		2748
2343	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2346		2752
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2755	undef $fh;
2350	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2351		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2354	}	2764	}
2355	}	2765	}
2356		2766
2357	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2359		2769
2360	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2361		2771
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2772	$self->enter_link;
2374		2773
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2774	(async {
2380	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2381	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
2382	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2383		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
2384	1;	2798	1
2385	}) {	2799	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "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. "
2388	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2804
2391	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2410		2824
2411	utf8::encode $text;	2825	utf8::encode $text;
2412	$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);
2413	}	2827	}
2414		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
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2855
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2856	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2857	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2858	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2859	the message unless the client supports the msg packet.
2421		2860
2422	=cut	2861	=cut
2423		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" => $CHAT_CHANNEL,
		2975	);
		2976
2424	sub cf::client::send_msg {	2977	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2978	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2979
2427	$msg = $self->pl->expand_cfpod ($msg);	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	}
2428		3001
2429	return unless @extra || length $msg;	3002	return unless @extra || length $msg;
2430		3003
2431	if ($self->can_msg) {	3004	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3006	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3007
2444	if ($color >= 0) {	3008	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3009	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3011	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2455	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2456		3017
2457	Sends an ext event to the client.	3018	Sends an ext event to the client.
2458		3019
2459	=cut	3020	=cut
2460		3021
2461	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2463		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2466	}	3049	}
2467		3050
2468	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2469		3052
2470	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3108	my ($ns, $buf) = @_;
2526		3109
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3111
2529	if (ref $msg) {	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
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3120	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3121	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
2536	} else {	3127	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3129	}
2539		3130
2540	cf::override;	3131	cf::override;
…		…
2562		3153
2563	$coro	3154	$coro
2564	}	3155	}
2565		3156
2566	cf::client->attach (	3157	cf::client->attach (
2567	on_destroy => sub {	3158	on_client_destroy => sub {
2568	my ($ns) = @_;	3159	my ($ns) = @_;
2569		3160
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3162	},
2572	);	3163	);
…		…
2587	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2589		3180
2590	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2591		3182
2592	$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	));
2593		3188
2594	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2595		3190
2596	=pod	3191	=pod
2597		3192
2598	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2599		3194
2600	cf::object	3195	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3196	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3197	insert remove name archname title slaying race decrease split
		3198	value
2603		3199
2604	cf::object::player	3200	cf::object::player
2605	player	3201	player
2606		3202
2607	cf::player	3203	cf::player
…		…
2612		3208
2613	=cut	3209	=cut
2614		3210
2615	for (	3211	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2621	) {	3218	) {
2622	no strict 'refs';	3219	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2642		3239
2643	my $qcode = $code;	3240	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2646		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2647	local $_;	3247	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3248
2650	my $eval =	3249	my $eval =
2651	"do {\n"	3250	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3253	. $code
2655	. "\n}"	3254	. "\n}"
2656	;	3255	;
2657		3256
		3257	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	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	}
2661		3266
2662	if ($@) {	3267	if ($@) {
2663	warn "$@";	3268	warn "$@";
2664	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2665	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2684	=cut	3289	=cut
2685		3290
2686	sub register_script_function {	3291	sub register_script_function {
2687	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2688		3293
2689	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2691	}	3296	}
2692		3297
2693	=back	3298	=back
2694		3299
2695	=cut	3300	=cut
…		…
2697	#############################################################################	3302	#############################################################################
2698	# the server's init and main functions	3303	# the server's init and main functions
2699		3304
2700	sub load_facedata($) {	3305	sub load_facedata($) {
2701	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;
2702		3313
2703	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2704		3315
2705	my $facedata;	3316	my $facedata;
2706	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2710		3321
2711	$facedata->{version} == 2	3322	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		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
2714	{	3334	{
2715	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2716		3336
2717	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3344
		3345	cf::cede_to_tick;
2723	}	3346	}
2724		3347
2725	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2727	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2728	or next;	3352	or next;
		3353
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3357	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3359	}
2734	Coro::cede;	3360
		3361	cf::cede_to_tick;
2735	}	3362	}
2736	}	3363	}
2737		3364
2738	{	3365	{
2739	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2740		3367
2741	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3370	cf::cede_to_tick;
2744	}	3371	}
2745		3372
2746	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2747	}	3374	}
2748		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
2749	1	3395	1
2750	}	3396	}
2751		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
2752	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
2753	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2754	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	}
2755	}	3448	}
2756		3449
2757	sub reload_facedata {	3450	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3451	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3452	or die "unable to load facedata\n";
2760	}	3453	}
2761		3454
2762	sub reload_archetypes {	3455	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3456	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3457	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3458	}
2771		3459
2772	sub reload_treasures {	3460	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3461	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3462	or die "unable to load treasurelists\n";
2775	}	3463	}
2776		3464
2777	sub reload_resources {	3465	sub reload_resources {
2778	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2779		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2780	reload_regions;	3470	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3471	reload_treasures;
2785		3472
2786	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2787	}	3474	}
2788		3475
2789	sub init {	3476	sub reload_config {
2790	reload_resources;	3477	warn "reloading config file...\n";
2791	}
2792		3478
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3480	or return;
2796		3481
2797	local $/;	3482	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2799		3484
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3486
2802	$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};
2803	$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};
…		…
2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2808	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2809	};	3494	};
2810	warn $@ if $@;	3495	warn $@ if $@;
2811	}	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;
2812	}	3527	}
2813		3528
2814	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
2815	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2817	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#
2818	(async {	3547	(async {
2819	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2821	};	3551	};
2822		3552
2823	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;
2824	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
2825	load_extensions;	3571	load_extensions;
2826		3572
2827	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2828	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;
2829	}	3583	}
2830		3584
2831	#############################################################################	3585	#############################################################################
2832	# initialisation and cleanup	3586	# initialisation and cleanup
2833		3587
2834	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2835	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2844	},
2845	);	3594	};
2846	}	3595	}
2847	}	3596	}
2848		3597
2849	sub write_runtime {	3598	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3599	my $t0 = AE::time;
2851		3600
2852	# first touch the runtime file to show we are still running:	3601	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3602	# the fsync below can take a very very long time.
2854		3603
2855	IO::AIO::aio_utime $runtime, undef, undef;	3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3605
2857	my $guard = cf::lock_acquire "write_runtime";	3606	my $guard = cf::lock_acquire "write_runtime";
2858		3607
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3609	or return;
2861		3610
2862	my $value = $cf::RUNTIME + 90 + 10;	3611	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3612	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3613	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3623	aio_utime $fh, undef, undef;
2875		3624
2876	close $fh	3625	close $fh
2877	or return;	3626	or return;
2878		3627
2879	aio_rename "$runtime~", $runtime	3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3629	and return;
2881		3630
2882	warn "runtime file written.\n";	3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3632
2884	1	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 };
2885	}	3684	}
2886		3685
2887	sub emergency_save() {	3686	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2889		3688
2890	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2891		3690
2892	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
2893	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3705	$pl->save;
2901	}	3706	}
2902	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2903		3708
2904	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3712	$map->valid or next;
2908	$map->save;	3713	$map->save;
2909	}	3714	}
2910	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2911		3716
2912	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2914	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";
2915	};	3724	};
2916		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
2917	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2918	}	3732	}
2919		3733
2920	sub post_cleanup {	3734	sub post_cleanup {
2921	my ($make_core) = @_;	3735	my ($make_core) = @_;
2922		3736
2923	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2924	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 $pkg\n";#d#
2925	}	3768	}
2926		3769
2927	sub do_reload_perl() {	3770	sub do_reload_perl() {
2928	# can/must only be called in main	3771	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2931	return;	3774	return;
2932	}	3775	}
2933		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2934	warn "reloading...";	3782	warn "reloading...";
2935		3783
2936	warn "entering sync_job";	3784	warn "entering sync_job";
2937		3785
2938	cf::sync_job {	3786	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3788	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2942		3790
2943	warn "syncing database to disk";	3791	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3793
2946	# 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
2947		3795
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3799	}
2985		3800
2986	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2988	}	3803	%EXT_CORO = ();
2989		3804
2990	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3814	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3815
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
3001	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
3002	}	3825	}
3003		3826
3004	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 $k;
3005	}	3842	}
3006		3843
3007	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
3009	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);
3010		3847
3011	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3851
3015	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3853	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
3018		3855
3019	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
3020		3857
3021	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
3022	require cf;	3859	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
3024		3861
3025	warn "loading config and database again";	3862	warn "loading config and database again";
3026	cf::cfg_load;	3863	cf::reload_config;
3027		3864
3028	warn "loading extensions";	3865	warn "loading extensions";
3029	cf::load_extensions;	3866	cf::load_extensions;
3030		3867
		3868	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
3037		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
3038	warn "leaving sync_job";	3880	warn "leaving sync_job";
3039		3881
3040	1	3882	1
3041	} or do {	3883	} or do {
3042	warn $@;	3884	warn $@;
3043	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3886	};
3046		3887
3047	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
3048	};	3894	};
3049		3895
3050	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
3051		3897
3052	sub reload_perl() {	3898	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
3055		3901
3056	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3904
3059	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3906	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
3063	},	3908	};
3064	);	3909	};
3065	}	3910	}
3066		3911
3067	register_command "reload" => sub {	3912	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
3069		3914
3070	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3919	reload_perl;
		3920	};
3073	}	3921	}
3074	};	3922	};
3075		3923
3076	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
3077		3925
…		…
3079		3927
3080	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
3082		3930
3083	sub wait_for_tick {	3931	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		3933
3087	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3936	$signal->wait;
3090	}	3937	}
3091		3938
3092	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		3941
3096	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3944	$signal->wait;
3099	}	3945	}
3100		3946
3101	my $min = 1e6;#d#	3947	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
3113	return;	3951	return;
3114	}	3952	}
3115		3953
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
3119		3955
3120	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		3957
3126	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	3960	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	3962	write_runtime_sync
3131		3963	or warn "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3964	};
		3965	}
3142		3966
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3968	$sig->send;
3159	}	3969	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3971	$sig->send;
3162	}	3972	}
3163		3973
3164	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3976
3175	_post_tick;	3977	if (0) {
3176		3978	if ($NEXT_TICK) {
3177		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
3178	},	3983	}
3179	);	3984	}
3180		3985
3181	{	3986	{
3182	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3988
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
3192		3990	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3992
3208	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
3209	$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);
3210		4000
3211	cf::sync_job {	4001	cf::sync_job {
3212	eval {	4002	eval {
3213	BDB::db_env_open	4003	BDB::db_env_open
3214	$DB_ENV,	4004	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4008	0666;
3219		4009
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4011	};
3225		4012
3226	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4014	};
3228	}	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	};
3229	}	4026	}
3230		4027
3231	{	4028	{
		4029	# configure IO::AIO
		4030
3232	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4034	}
3245		4035
3246	my $_log_backtrace;	4036	my $_log_backtrace;
3247		4037
3248	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3252		4042
3253	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3256	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3257	my @bt = fork_call {	4050	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	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 |"
3261	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3269	}	4062	}
3270		4063
3271	@funcs	4064	@funcs
3272	};	4065	};
3273		4066
3274	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4070	--$_log_backtrace;
3277	};	4071	};
3278	} else {	4072	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3281	}	4075	}
3282	}	4076	}
3283		4077
3284	# load additional modules	4078	# load additional modules
3285	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3286		4081
3287	END { cf::emergency_save }	4082	END { cf::emergency_save }
3288		4083
3289	1	4084	1
3290		4085

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