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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.316 by root, Mon Jul 23 21:02:50 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;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		115
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	118	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		150
102	binmode STDOUT;	151	binmode STDOUT;
103	binmode STDERR;	152	binmode STDERR;
104		153
105	# read virtual server time, if available	154	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
110	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
111		162
112	mkdir $_	163	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		165
115	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
116		167
117	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::"} };
118		180
119	#############################################################################	181	#############################################################################
120		182
121	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
122		184
…		…
158		220
159	The raw value load value from the last tick.	221	The raw value load value from the last tick.
160		222
161	=item %cf::CFG	223	=item %cf::CFG
162		224
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	226	from wherever your confdir points to.
165		227
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		229
168	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
169	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
170	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.
171		233
172	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
173		235
174	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	238	that call.
177		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
178	=back	246	=back
179		247
180	=cut	248	=cut
181		249
182	BEGIN {	250	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	251	my $msg = join "", @_;
185		252
186	$msg .= "\n"	253	$msg .= "\n"
187	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
188		255
189	$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;
190		257
191	utf8::encode $msg;
192	LOG llevError, $msg;	258	LOG llevError, $msg;
193	};	259	};
194	}	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	};
195		274
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	285	for my $pkg (qw(
207	cf::global cf::attachable	286	cf::global cf::attachable
208	cf::object cf::object::player	287	cf::object cf::object::player
209	cf::client cf::player	288	cf::client cf::player
210	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
211	cf::map cf::party cf::region	291	cf::party cf::region
212	)) {	292	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	294	}
216		295
217	$Event::DIED = sub {	296	$EV::DIED = sub {
218	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
219	};	298	};
220		299
221	#############################################################################	300	#############################################################################
222		301
223	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	325	$d
247	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
248	}	327	}
249		328
250	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
251		330
252	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
253		332
254	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
255		334
256	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
257		336
258	=cut	337	=cut
259		338
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		340
262	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		357
265	=item cf::lock_wait $string	358	=item cf::lock_wait $string
266		359
267	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
268		361
269	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
270		363
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
274	returned.	367	returned.
275		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
276	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
277	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
278		374
279	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
280		376
281	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.
282		378
283	=cut	379	=cut
284		380
285	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
286		382
287	sub lock_wait($) {	383	sub lock_wait($) {
288	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	385	}
296		386
297	sub lock_acquire($) {	387	sub lock_acquire($) {
298	my ($key) = @_;	388	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	389	}
310		390
311	sub lock_active($) {	391	sub lock_active($) {
312	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	393	}
316		394
317	sub freeze_mainloop {	395	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
319		397
320	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	399	}
322	};	400
323	$TICK_WATCHER->stop;	401	=item cf::periodic $interval, $cb
324	$guard	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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
325	}	414	}
326		415
327	=item cf::get_slot $time[, $priority[, $name]]	416	=item cf::get_slot $time[, $priority[, $name]]
328		417
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		426
338	=cut	427	=cut
339		428
340	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
342		432
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
345	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
346		439
347	while () {	440	while () {
348	next_job:	441	next_job:
		442
349	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	444
351	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	449	$job->[2]->send;
355	Coro::cede;	450	Coro::cede;
356	goto next_job;	451	goto next_job;
357	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	454	}
359	}	455	}
360		456
361	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	460	$signal->wait;
365	} else {	461	} else {
		462	$busy = 0;
366	Coro::schedule;	463	Coro::schedule;
367	}	464	}
368	}	465	}
369	};	466	};
370		467
371	sub get_slot($;$$) {	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
372	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
373		472
374	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
375	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
376		476
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
390		490
391	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
392		492
393	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
394		494
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	498	acceptable.
399		499
400	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
401	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
…		…
406		506
407	sub sync_job(&) {	507	sub sync_job(&) {
408	my ($job) = @_;	508	my ($job) = @_;
409		509
410	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	511	my $time = AE::time;
412		512
413	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
415		515
416	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	517
418	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
419		519
420	my $busy = 1;	520	my $busy = 1;
421	my @res;	521	my @res;
422		522
423	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	525	@res = eval { $job->() };
425	warn $@ if $@;	526	warn $@ if $@;
426	undef $busy;	527	undef $busy;
427	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
428		529
429	while ($busy) {	530	while ($busy) {
430	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
431	}	535	}
		536	}
432		537
433	$time = Event::time - $time;	538	my $time = AE::time - $time;
434		539
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
439		541
440	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
441	} else {	543	} else {
442	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
443		545
…		…
468	=item fork_call { }, $args	570	=item fork_call { }, $args
469		571
470	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
471	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
474		576
475	=cut	577	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		578
486	sub fork_call(&@) {	579	sub fork_call(&@) {
487	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
488		581
489	# 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,
490	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		585
494	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	587	reset_signals;
508	local $SIG{__WARN__};	588	&$cb
509	local $SIG{__DIE__};	589	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		590
516	eval {	591	wantarray ? @res : $res[-1]
517	close $fh1;	592	}
518		593
519	my @res = eval { $cb->(@args) };	594	=item $coin = coin_from_name $name
520		595
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	596	=cut
522	close $fh2;
523	};
524		597
525	warn $@ if $@;	598	our %coin_alias = (
526	_exit 0;	599	"silver" => "silvercoin",
527	}	600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
528	}	619	}
529		620
530	=item $value = cf::db_get $family => $key	621	=item $value = cf::db_get $family => $key
531		622
532	Returns a single value from the environment database.	623	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	625	=item cf::db_put $family => $key => $value
535		626
536	Stores the given C<$value> in the family. It can currently store binary	627	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
539	=cut	635	=cut
		636
		637	sub db_table($) {
		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	}
540		653
541	our $DB;	654	our $DB;
542		655
543	sub db_init {	656	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	657	cf::sync_job {
548	eval {	658	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	659	};
558	}	660	}
559		661
560	sub db_get($$) {	662	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	663	my $key = "$_[0]/$_[1]";
562		664
…		…
612	if (1) {	714	if (1) {
613	$md5 =	715	$md5 =
614	join "\x00",	716	join "\x00",
615	$processversion,	717	$processversion,
616	map {	718	map {
617	Coro::cede;	719	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	720	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	721	} 0.. $#$src;
620		722
621		723
622	my $dbmd5 = db_get cache => "$id/md5";	724	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		762
661	#############################################################################	763	#############################################################################
662		764
663	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
664		766
665	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
666	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")
667	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
668		770
669	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>
670	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
671	Crossfire TRT).	773	Deliantra).
672		774
673	=over 4	775	=over 4
674		776
675	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
676		778
…		…
720	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
721		823
722	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
724		826
725	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		829
728	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
729		831
730	=over 4	832	=over 4
…		…
958	}	1060	}
959		1061
960	0	1062	0
961	}	1063	}
962		1064
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1066
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1068
967	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
968		1070
…		…
974		1076
975	=cut	1077	=cut
976		1078
977	#############################################################################	1079	#############################################################################
978	# object support	1080	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1115	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1116	my ($ob1, $ob2) = @_;
983		1117
984	local $Storable::canonical = 1;	1118	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1119
988	$fob1 eq $fob2	1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
989	}	1122	}
990		1123
991	sub reattach {	1124	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1126	my ($obj) = @_;
994		1127
		1128	# no longer needed after getting rid of delete_package?
995	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
996		1130
997	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
998		1132
999	@$registry = ();	1133	@$registry = ();
1000		1134
…		…
1015	cf::attachable->attach (	1149	cf::attachable->attach (
1016	prio => -1000000,	1150	prio => -1000000,
1017	on_instantiate => sub {	1151	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
1019		1153
1020	$data = from_json $data;	1154	$data = decode_json $data;
1021		1155
1022	for (@$data) {	1156	for (@$data) {
1023	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
1024		1158
1025	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1175	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
1043		1177
1044	sync_job {	1178	sync_job {
1045	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
1048		1183
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1191	aio_close $fh;
1054		1192
1055	if (@$objs) {	1193	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1202	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1204	}
1064	} else {	1205	} else {
1065	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
1066	}	1207	}
1067		1208
1068	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1213	} else {
1070	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
1071	}	1215	}
1072	} else {	1216	} else {
1073	aio_unlink $filename;	1217	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
1075	}	1219	}
1076	}	1220	};
1077	}	1221	}
1078		1222
1079	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
1081		1225
…		…
1093	or return;	1237	or return;
1094		1238
1095	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1241	or return;
		1242
1098	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
1099	}	1245	}
1100		1246
		1247	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
1103	return ($data, $av);	1251	($data, $av)
1104	}	1252	}
1105		1253
1106	=head2 COMMAND CALLBACKS	1254	=head2 COMMAND CALLBACKS
1107		1255
1108	=over 4	1256	=over 4
…		…
1162	my ($name, $cb) = @_;	1310	my ($name, $cb) = @_;
1163		1311
1164	$EXTICMD{$name} = $cb;	1312	$EXTICMD{$name} = $cb;
1165	}	1313	}
1166		1314
		1315	use File::Glob ();
		1316
1167	cf::player->attach (	1317	cf::player->attach (
1168	on_command => sub {	1318	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
1170		1320
1171	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
1172	or return;	1322	or return;
1173		1323
…		…
1186	my ($type, $reply, @payload) =	1336	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1337	"ARRAY" eq ref $msg
1188	? @$msg	1338	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1340
		1341	my @reply;
		1342
1191	if (my $cb = $EXTCMD{$type}) {	1343	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1344	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
1197	} else {	1350	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1352	}
1200		1353
1201	cf::override;	1354	cf::override;
1202	},	1355	},
1203	);	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	}
1204		1370
1205	sub load_extensions {	1371	sub load_extensions {
1206	cf::sync_job {	1372	cf::sync_job {
1207	my %todo;	1373	my %todo;
1208		1374
…		…
1228		1394
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1397
1232	$ext{source} =	1398	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1400	. "#line 1 \"$path\"\n{\n"
1235	. $source	1401	. $source
1236	. "\n};\n1";	1402	. "\n};\n1";
1237		1403
1238	$todo{$base} = \%ext;	1404	$todo{$base} = \%ext;
1239	}	1405	}
1240		1406
		1407	my $pass = 0;
1241	my %done;	1408	my %done;
1242	while (%todo) {	1409	while (%todo) {
1243	my $progress;	1410	my $progress;
1244		1411
		1412	++$pass;
		1413
		1414	ext:
1245	while (my ($k, $v) = each %todo) {	1415	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1416	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1417	next ext
1248	unless exists $done{$_};	1418	unless exists $done{$_};
1249	}	1419	}
1250		1420
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1422
1253	unless (eval $v->{source}) {	1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1426	warn "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1429	if exists $v->{meta}{mandatory};
1258	warn $msg;	1430	} else {
1259	warn "mandatory extension failed to load, exiting.\n";	1431	$done{$k} = delete $todo{$k};
1260	exit 1;	1432	push @EXTS, $v->{pkg};
1261	}	1433	$progress = 1;
1262		1434
1263	warn $msg;	1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
1264	}	1437	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1438	}
1270		1439
1271	skip:	1440	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1448	}
1275	};	1449	};
1276	}	1450	}
1277		1451
1278	#############################################################################	1452	#############################################################################
1279		1453
1280	=back	1454	=back
1281		1455
1282	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1283		1457
1284	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1285		1459
1286	=cut	1460	=cut
1287		1461
1288	package cf::player;	1462	package cf::player;
1289		1463
1290	use Coro::AIO;	1464	use Coro::AIO;
1291		1465
1292	=head3 cf::player	1466	=head3 cf::player
1293		1467
1294	=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	}
1295		1483
1296	=item cf::player::find $login	1484	=item cf::player::find $login
1297		1485
1298	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1299		1487
…		…
1318		1506
1319	sub exists($) {	1507	sub exists($) {
1320	my ($login) = @_;	1508	my ($login) = @_;
1321		1509
1322	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1324	}	1512	}
1325		1513
1326	sub find($) {	1514	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1516	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1527
1340	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1343	}	1537	}
1344	}	1538	}
1345	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($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	);
1346		1553
1347	sub save($) {	1554	sub save($) {
1348	my ($pl) = @_;	1555	my ($pl) = @_;
1349		1556
1350	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1356		1563
1357	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1361	Coro::cede;	1573	cf::cede_to_tick;
1362	}	1574	}
1363		1575
1364	sub new($) {	1576	sub new($) {
1365	my ($login) = @_;	1577	my ($login) = @_;
1366		1578
…		…
1372	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1373		1585
1374	$self	1586	$self
1375	}	1587	}
1376		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
1377	=item $pl->quit_character	1599	=item $pl->quit_character
1378		1600
1379	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1381		1603
…		…
1385	my ($pl) = @_;	1607	my ($pl) = @_;
1386		1608
1387	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1388		1610
1389	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1390	$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
1391		1613
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1396		1620
1397	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1658	or return [];
1435		1659
1436	my @logins;	1660	my @logins;
1437		1661
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1442		1672
1443	utf8::decode $login;	1673	utf8::decode $login;
1444	push @logins, $login;	1674	push @logins, $login;
1445	}	1675	}
1446		1676
…		…
1473	}	1703	}
1474		1704
1475	\@paths	1705	\@paths
1476	}	1706	}
1477		1707
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1709
1480	Expand crossfire pod fragments into protocol xml.	1710	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1711
1528	=item $player->ext_reply ($msgid, @msg)	1712	=item $player->ext_reply ($msgid, @msg)
1529		1713
1530	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1531		1715
1532	=cut	1716	=cut
1533		1717
1534	sub ext_reply($$@) {	1718	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1719	my ($self, $id, @msg) = @_;
1536		1720
1537	if ($self->ns->extcmd == 2) {	1721	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1722	}
1545		1723
1546	=item $player->ext_msg ($type, @msg)	1724	=item $player->ext_msg ($type, @msg)
1547		1725
1548	Sends an ext event to the client.	1726	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1606		1784
1607	sub generate_random_map {	1785	sub generate_random_map {
1608	my ($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
1609	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1791	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1735		1916
1736	# the temporary/swap location	1917	# the temporary/swap location
1737	sub save_path {	1918	sub save_path {
1738	my ($self) = @_;	1919	my ($self) = @_;
1739		1920
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1742	}	1923	}
1743		1924
1744	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1745	sub uniq_path {	1926	sub uniq_path {
1746	my ($self) = @_;	1927	my ($self) = @_;
1747		1928
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1931	}
1760		1932
1761	sub decay_objects {	1933	sub decay_objects {
1762	my ($self) = @_;	1934	my ($self) = @_;
1763		1935
…		…
1776		1948
1777	sub load_header_from($) {	1949	sub load_header_from($) {
1778	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1779		1951
1780	utf8::encode $path;	1952	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	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;
1786		1961
1787	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1788		1963
1789	1	1964	1
1790	}	1965	}
…		…
1844	sub find {	2019	sub find {
1845	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1846		2021
1847	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1848		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2026
1851	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1854	or return;	2029	or return;
1855		2030
1856	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1857		2032
…		…
1859	or return;	2034	or return;
1860		2035
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1864	$map->reset;	2041	$map->reset;
1865	undef $guard;
1866	return find $path;	2042	return find $path;
1867	}	2043	}
1868		2044
1869	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1870	}	2046	}
1871	}	2047	}
1872		2048
1873	sub pre_load { }	2049	sub pre_load { }
1874	sub post_load { }	2050	#sub post_load { } # XS
1875		2051
1876	sub load {	2052	sub load {
1877	my ($self) = @_;	2053	my ($self) = @_;
1878		2054
1879	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1880		2056
1881	my $path = $self->{path};	2057	my $path = $self->{path};
1882		2058
1883	{	2059	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1885		2061
		2062	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2064
1888	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1889		2066
1890	$self->alloc;	2067	$self->alloc;
1891		2068
1892	$self->pre_load;	2069	$self->pre_load;
1893	Coro::cede;	2070	cf::cede_to_tick;
1894		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1896	or return;	2075	or return;
1897		2076
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1899	if delete $self->{load_original};	2078	if delete $self->{load_original};
1900		2079
1901	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2081	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2084	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1906	}	2088	}
1907	}	2089	}
1908		2090
1909	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1910	# now do the right thing for maps	2094	# now do the right thing for maps
1911	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2097	unless $self->difficulty;
1914	Coro::cede;	2098	cf::cede_to_tick;
1915		2099
1916	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2101	$self->decay_objects;
1918	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1919	$self->update_buttons;	2103	$self->update_buttons;
1920	Coro::cede;	2104	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2105	$self->activate;
1924	}	2106	}
1925		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2112	}
1928		2113
1929	$self->post_load;	2114	$self->post_load;
1930	}	2115	}
1931		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2120	sub customise_for {
1933	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1934		2122
1935	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2124	if $self->per_player;
…		…
1940		2128
1941	$self	2129	$self
1942	}	2130	}
1943		2131
1944	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2133	sub load_neighbours {
1946	my ($map) = @_;	2134	my ($map) = @_;
1947		2135
1948	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1949		2137
1950	for (0 .. 3) {	2138	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1952	or next;	2140	or next;
1953	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1954	or next;	2142	or next;
1955	$neigh->load;	2143	$neigh->load;
1956		2144
		2145	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2148	}
1960		2149
1961	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1963	or next;	2153	or next;
1964	$neigh->load;	2154	$neigh->load;
1965	}	2155	}
1966	}	2156	}
1967		2157
…		…
1972	}	2162	}
1973		2163
1974	sub do_load_sync {	2164	sub do_load_sync {
1975	my ($map) = @_;	2165	my ($map) = @_;
1976		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1977	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1978	}	2171	}
1979		2172
1980	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1982		2175
1983	sub find_async {	2176	sub find_async {
1984	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1985		2178
1986	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1987		2180
1988	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2183	}
1991		2184
1992	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1993	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1994	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2192	if (my $map = find $k) {
1997	$map->load;	2193	$map->load if $v;
1998	}	2194	}
1999		2195
2000	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
2001	}	2197	}
2002	}	2198	}
2003	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
2004	};	2200	};
2005	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2204	}
2009		2205
2010	sub save {	2206	sub save {
2011	my ($self) = @_;	2207	my ($self) = @_;
2012		2208
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2210
2015	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
2016		2212
2017	return unless $self->dirty;	2213	return unless $self->dirty;
2018		2214
…		…
2024	return if $self->{deny_save};	2220	return if $self->{deny_save};
2025		2221
2026	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
2027		2223
2028	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
2030	};	2227	};
		2228
		2229	cf::get_slot 0.02;
2031		2230
2032	if ($uniq) {	2231	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2234	} else {
…		…
2041	my ($self) = @_;	2240	my ($self) = @_;
2042		2241
2043	# save first because save cedes	2242	# save first because save cedes
2044	$self->save;	2243	$self->save;
2045		2244
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2246
2048	return if $self->players;	2247	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2249	return if $self->{deny_save};
2051		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2255	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2256	}
2055		2257
2056	sub reset_at {	2258	sub reset_at {
2057	my ($self) = @_;	2259	my ($self) = @_;
2058		2260
…		…
2076		2278
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2280
2079	return if $self->players;	2281	return if $self->players;
2080		2282
2081	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
2082		2284
2083	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
2084		2286
2085	# need to save uniques path	2287	# need to save uniques path
2086	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
2090	if $uniq;	2292	if $uniq;
2091	}	2293	}
2092		2294
2093	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
2094		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2299	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2300
2099	$self->unlink_save;	2301	$self->unlink_save;
2100	$self->destroy;	2302	$self->destroy;
2101	}	2303	}
2102		2304
2103	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
2104		2306
2105	sub nuke {	2307	sub nuke {
2106	my ($self) = @_;	2308	my ($self) = @_;
2107		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
2108	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
2109		2314
2110	$self->unlink_save;	2315	$self->unlink_save;
2111		2316
2112	bless $self, "cf::map";	2317	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2322
2118	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
2119		2325
2120	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
2121	}	2327	}
2122		2328
2123	=item $maps = cf::map::tmp_maps	2329	=item $maps = cf::map::tmp_maps
…		…
2165		2371
2166	sub unique_maps() {	2372	sub unique_maps() {
2167	[	2373	[
2168	map {	2374	map {
2169	utf8::decode $_;	2375	utf8::decode $_;
2170	/\.map$/	2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
2171	? normalise $_	2379	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2380	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2381	]
2175	}	2382	}
2176		2383
2177	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	}
2178		2415
2179	=back	2416	=back
2180		2417
2181	=head3 cf::object	2418	=head3 cf::object
2182		2419
…		…
2186		2423
2187	=over 4	2424	=over 4
2188		2425
2189	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
2190		2427
2191	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.
2192		2430
2193	=cut	2431	=cut
2194		2432
2195	sub inv_recursive_;	2433	sub inv_recursive_;
2196	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
2199		2437
2200	sub inv_recursive {	2438	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
2202	}	2440	}
2203		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
2204	package cf;	2470	package cf;
2205		2471
2206	=back	2472	=back
2207		2473
2208	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
2214	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>
2215	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
2216	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
2217		2483
2218	=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	};
2219		2499
2220	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2501	# with dialog boxes.
2222	#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
2223	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2515	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2517
2238	} else {	2518	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2521	}
2242	}	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 (@_);
2243	}	2533	}
2244		2534
2245	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
2246		2536
2247	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
2260		2550
2261	=item $player_object->enter_link	2551	=item $player_object->enter_link
2262		2552
2263	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}>).
2264		2554
2265	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.
2266	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.
2267		2559
2268	Will never block.	2560	Will never block.
2269		2561
2270	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
2271		2563
…		…
2323	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
2325		2617
2326	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
2329		2621
2330	$map->load;	2622	$map->load;
2331	$map->load_diag;	2623	$map->load_neighbours;
2332		2624
2333	return unless $self->contr->active;	2625	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2626
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
2338	}	2632	}
2339		2633
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2341		2635
2342	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
2343	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
2344	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
2345	the new (success) or old (failed) map position. In either case, $done will	2639	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2640	be called at the end of this process.
2347		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 >>.
		2644
2348	=cut	2645	=cut
2349		2646
2350	our $GOTOGEN;	2647	our $GOTOGEN;
2351		2648
2352	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2654
2358	$self->enter_link;	2655	$self->enter_link;
2359		2656
2360	(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
2361	my $map = eval {	2679	my $map = eval {
2362	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
2363		2681
2364	if ($map) {	2682	if ($map) {
2365	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
2367	} else {	2685	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2687	}
2370		2688
2371	$map	2689	$map
2372	};	2690	};
2373		2691
…		…
2409	}	2727	}
2410		2728
2411	sub prepare_random_map {	2729	sub prepare_random_map {
2412	my ($exit) = @_;	2730	my ($exit) = @_;
2413		2731
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2734	# that depends on the exit object
2419		2735
2420	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2738	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2427	}	2745	}
2428		2746
2429	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2430		2748
2431	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2434		2752
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2755	undef $fh;
2438	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2439		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2442	}	2764	}
2443	}	2765	}
2444		2766
2445	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2447		2769
2448	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2449		2771
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2772	$self->enter_link;
2462		2773
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2774	(async {
2468	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2469	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
2470	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2471		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
2472	1;	2798	1
2473	}) {	2799	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "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. "
2476	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2804
2479	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2496	sub cf::client::send_drawinfo {	2822	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	2823	my ($self, $text, $flags) = @_;
2498		2824
2499	utf8::encode $text;	2825	utf8::encode $text;
2500	$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);
		2827	}
		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);
2501	}	2852	}
2502		2853
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		2855
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	2856	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2858	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2859	the message unless the client supports the msg packet.
2509		2860
2510	=cut	2861	=cut
2511		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" => $CHAT_CHANNEL,
		2975	);
		2976
2512	sub cf::client::send_msg {	2977	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2978	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2979
2515	$msg = $self->pl->expand_cfpod ($msg);	2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
2516		2982
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
2519	if (ref $channel) {	2992	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2993	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2994	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2995	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	2996	$self->ext_msg (channel_info => $channel);
2524	}	2997	}
2525		2998
2526	$channel = $channel->{id};	2999	$channel = $channel->{id};
2527	}	3000	}
2528		3001
2529	return unless @extra || length $msg;	3002	return unless @extra || length $msg;
2530		3003
2531	if ($self->can_msg) {	3004	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3006	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3007
2544	if ($color >= 0) {	3008	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3009	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3011	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3012
2549	$self->send_packet ("drawinfo $color $msg")	3013	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3014	}
2554		3015
2555	=item $client->ext_msg ($type, @msg)	3016	=item $client->ext_msg ($type, @msg)
2556		3017
2557	Sends an ext event to the client.	3018	Sends an ext event to the client.
…		…
2559	=cut	3020	=cut
2560		3021
2561	sub cf::client::ext_msg($$@) {	3022	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3023	my ($self, $type, @msg) = @_;
2563		3024
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3025	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3027	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3028	push @msg, msgtype => "event_$type";
2570	$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}));
2571	}	3048	}
2572	}	3049	}
2573		3050
2574	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2575		3052
…		…
2636	my ($type, $reply, @payload) =	3113	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	3114	"ARRAY" eq ref $msg
2638	? @$msg	3115	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3117
		3118	my @reply;
		3119
2641	if (my $cb = $EXTICMD{$type}) {	3120	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3121	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
2647	} else {	3127	} else {
2648	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";
2649	}	3129	}
2650		3130
2651	cf::override;	3131	cf::override;
…		…
2673		3153
2674	$coro	3154	$coro
2675	}	3155	}
2676		3156
2677	cf::client->attach (	3157	cf::client->attach (
2678	on_destroy => sub {	3158	on_client_destroy => sub {
2679	my ($ns) = @_;	3159	my ($ns) = @_;
2680		3160
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3162	},
2683	);	3163	);
…		…
2698	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2700		3180
2701	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2702		3182
2703	$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	));
2704		3188
2705	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2706		3190
2707	=pod	3191	=pod
2708		3192
2709	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2710		3194
2711	cf::object	3195	cf::object
2712	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
2713	insert remove	3197	insert remove name archname title slaying race decrease split
		3198	value
2714		3199
2715	cf::object::player	3200	cf::object::player
2716	player	3201	player
2717		3202
2718	cf::player	3203	cf::player
…		…
2723		3208
2724	=cut	3209	=cut
2725		3210
2726	for (	3211	for (
2727	["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
2728	insert remove)],	3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2732	) {	3218	) {
2733	no strict 'refs';	3219	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2753		3239
2754	my $qcode = $code;	3240	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2757		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2758	local $_;	3247	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3248
2761	my $eval =	3249	my $eval =
2762	"do {\n"	3250	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3253	. $code
2766	. "\n}"	3254	. "\n}"
2767	;	3255	;
2768		3256
		3257	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	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	}
2772		3266
2773	if ($@) {	3267	if ($@) {
2774	warn "$@";	3268	warn "$@";
2775	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2776	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2795	=cut	3289	=cut
2796		3290
2797	sub register_script_function {	3291	sub register_script_function {
2798	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2799		3293
2800	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2802	}	3296	}
2803		3297
2804	=back	3298	=back
2805		3299
2806	=cut	3300	=cut
…		…
2808	#############################################################################	3302	#############################################################################
2809	# the server's init and main functions	3303	# the server's init and main functions
2810		3304
2811	sub load_facedata($) {	3305	sub load_facedata($) {
2812	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;
2813		3313
2814	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2815		3315
2816	my $facedata;	3316	my $facedata;
2817	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2821		3321
2822	$facedata->{version} == 2	3322	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		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
2825	{	3334	{
2826	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2827		3336
2828	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2830	cf::face::set_visibility $idx, $info->{visibility};	3340	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3341	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3344
2835	cf::cede_to_tick;	3345	cf::cede_to_tick;
2836	}	3346	}
2837		3347
2838	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2840	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2841	or next;	3352	or next;
		3353
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3355	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3357	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2860		3372
2861	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2862	}	3374	}
2863		3375
2864	{	3376	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3377	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3378
2870	while (my ($name, $info) = each %$res) {	3379	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3380	if (defined $info->{type}) {
2872	name => $name,
2873	type => $info->{type},
2874	copyright => $info->{copyright}, #TODO#
2875	});
2876
2877	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2878		3382
2879	if ($name =~ /\.jpg$/) {
2880	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2881	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3384	cf::face::set_type $idx, $info->{type};
2882	} else {	3385	} else {
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3386	$RESOURCE{$name} = $info;
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_type $idx, 1;
2887	cf::face::set_data $idx, 0, $data, $chk;
2888	}	3387	}
2889		3388
2890	cf::cede_to_tick;	3389	cf::cede_to_tick;
2891	}	3390	}
2892	}	3391	}
2893		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2894	1	3395	1
2895	}	3396	}
2896		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
2897	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
2898	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2899	or die "unable to load regions file\n";	3442	or die "unable to load regions file\n";
2900		3443
2901	for (cf::region::list) {	3444	for (cf::region::list) {
2902	$_->{match} = qr/$_->{match}/	3445	$_->{match} = qr/$_->{match}/
…		…
2910	}	3453	}
2911		3454
2912	sub reload_archetypes {	3455	sub reload_archetypes {
2913	load_resource_file "$DATADIR/archetypes"	3456	load_resource_file "$DATADIR/archetypes"
2914	or die "unable to load archetypes\n";	3457	or die "unable to load archetypes\n";
2915	#d# NEED to laod twice to resolve forward references
2916	# this really needs to be done in an extra post-pass
2917	# (which needs to be synchronous, so solve it differently)
2918	load_resource_file "$DATADIR/archetypes"
2919	or die "unable to load archetypes\n";
2920	}	3458	}
2921		3459
2922	sub reload_treasures {	3460	sub reload_treasures {
2923	load_resource_file "$DATADIR/treasures"	3461	load_resource_file "$DATADIR/treasures"
2924	or die "unable to load treasurelists\n";	3462	or die "unable to load treasurelists\n";
2925	}	3463	}
2926		3464
2927	sub reload_resources {	3465	sub reload_resources {
2928	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2929		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2930	reload_regions;	3470	reload_regions;
2931	reload_facedata;
2932	#reload_archetypes;#d#
2933	reload_archetypes;
2934	reload_treasures;	3471	reload_treasures;
2935		3472
2936	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2937	}	3474	}
2938		3475
2939	sub init {	3476	sub reload_config {
2940	reload_resources;	3477	warn "reloading config file...\n";
2941	}
2942		3478
2943	sub cfg_load {
2944	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2945	or return;	3480	or return;
2946		3481
2947	local $/;	3482	local $/;
2948	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2949		3484
2950	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2951		3486
2952	$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};
2953	$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};
…		…
2957	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2958	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2959	};	3494	};
2960	warn $@ if $@;	3495	warn $@ if $@;
2961	}	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;
2962	}	3527	}
2963		3528
2964	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
2965	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2966	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2967	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#
2968	(async {	3547	(async {
2969	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2970	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2971	};	3551	};
2972		3552
2973	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;
2974	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
2975	load_extensions;	3571	load_extensions;
2976		3572
2977	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2978	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;
2979	}	3583	}
2980		3584
2981	#############################################################################	3585	#############################################################################
2982	# initialisation and cleanup	3586	# initialisation and cleanup
2983		3587
2984	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2985	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2986	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2987	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2988	reentrant => 0,
2989	data => WF_AUTOCANCEL,
2990	signal => $signal,
2991	prio => 0,
2992	cb => sub {
2993	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2994	},
2995	);	3594	};
2996	}	3595	}
2997	}	3596	}
2998		3597
2999	sub write_runtime {	3598	sub write_runtime_sync {
3000	my $runtime = "$LOCALDIR/runtime";	3599	my $t0 = AE::time;
3001		3600
3002	# first touch the runtime file to show we are still running:	3601	# first touch the runtime file to show we are still running:
3003	# the fsync below can take a very very long time.	3602	# the fsync below can take a very very long time.
3004		3603
3005	IO::AIO::aio_utime $runtime, undef, undef;	3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3006		3605
3007	my $guard = cf::lock_acquire "write_runtime";	3606	my $guard = cf::lock_acquire "write_runtime";
3008		3607
3009	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3010	or return;	3609	or return;
3011		3610
3012	my $value = $cf::RUNTIME + 90 + 10;	3611	my $value = $cf::RUNTIME + 90 + 10;
3013	# 10 is the runtime save interval, for a monotonic clock	3612	# 10 is the runtime save interval, for a monotonic clock
3014	# 60 allows for the watchdog to kill the server.	3613	# 60 allows for the watchdog to kill the server.
…		…
3024	aio_utime $fh, undef, undef;	3623	aio_utime $fh, undef, undef;
3025		3624
3026	close $fh	3625	close $fh
3027	or return;	3626	or return;
3028		3627
3029	aio_rename "$runtime~", $runtime	3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3030	and return;	3629	and return;
3031		3630
3032	warn "runtime file written.\n";	3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3033		3632
3034	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 };
3035	}	3684	}
3036		3685
3037	sub emergency_save() {	3686	sub emergency_save() {
3038	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
3039		3688
3040	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
3041		3690
3042	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
3043	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
3044	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
3045	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
3046	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
3047	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
3048	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
3049	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3050	$pl->save;	3705	$pl->save;
3051	}	3706	}
3052	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
3053		3708
3054	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
3055	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
3056	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
3057	$map->valid or next;	3712	$map->valid or next;
3058	$map->save;	3713	$map->save;
3059	}	3714	}
3060	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
3061		3716
3062	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
3063	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
3064	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";
3065	};	3724	};
3066		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
3067	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
3068	}	3732	}
3069		3733
3070	sub post_cleanup {	3734	sub post_cleanup {
3071	my ($make_core) = @_;	3735	my ($make_core) = @_;
3072		3736
3073	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
3074	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 $pkg\n";#d#
3075	}	3768	}
3076		3769
3077	sub do_reload_perl() {	3770	sub do_reload_perl() {
3078	# can/must only be called in main	3771	# can/must only be called in main
3079	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
3080	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
3081	return;	3774	return;
3082	}	3775	}
3083		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
3084	warn "reloading...";	3782	warn "reloading...";
3085		3783
3086	warn "entering sync_job";	3784	warn "entering sync_job";
3087		3785
3088	cf::sync_job {	3786	cf::sync_job {
3089	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
3090	cf::emergency_save;	3788	cf::emergency_save;
3091	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
3092		3790
3093	warn "syncing database to disk";	3791	warn "syncing database to disk";
3094	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
3095		3793
3096	# 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
3097		3795
3098	warn "cancelling all WF_AUTOCANCEL watchers";
3099	for (Event::all_watchers) {
3100	$_->cancel if $_->data & WF_AUTOCANCEL;
3101	}
3102
3103	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
3104	for (;;) {
3105	BDB::flush;
3106	IO::AIO::flush;
3107	Coro::cede;
3108	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
3109	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3110	}
3111
3112	++$RELOAD;
3113
3114	warn "cancelling all extension coros";
3115	$_->cancel for values %EXT_CORO;
3116	%EXT_CORO = ();
3117
3118	warn "removing commands";
3119	%COMMAND = ();
3120
3121	warn "removing ext/exti commands";
3122	%EXTCMD = ();
3123	%EXTICMD = ();
3124
3125	warn "unloading/nuking all extensions";
3126	for my $pkg (@EXTS) {
3127	warn "... unloading $pkg";
3128
3129	if (my $cb = $pkg->can ("unload")) {
3130	eval {
3131	$cb->($pkg);
3132	1
3133	} or warn "$pkg unloaded, but with errors: $@";
3134	}	3799	}
3135		3800
3136	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
3137	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
3138	}	3803	%EXT_CORO = ();
3139		3804
3140	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
3141	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
3142	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3143		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
3144	warn "... unloading $k";	3814	warn "... unloading $pkg";
3145	delete $INC{$k};
3146		3815
3147	$k =~ s/\.pm$//;
3148	$k =~ s/\//::/g;
3149
3150	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
3151	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
3152	}	3825	}
3153		3826
3154	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 $k;
3155	}	3842	}
3156		3843
3157	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
3158	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
3159	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);
3160		3847
3161	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
3162	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
3163	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3164		3851
3165	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
3166	# and global variables created in xs	3853	# and global variables created in xs
3167	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
3168		3855
3169	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
3170		3857
3171	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
3172	require cf;	3859	require cf;
3173	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
3174		3861
3175	warn "loading config and database again";	3862	warn "loading config and database again";
3176	cf::cfg_load;	3863	cf::reload_config;
3177		3864
3178	warn "loading extensions";	3865	warn "loading extensions";
3179	cf::load_extensions;	3866	cf::load_extensions;
3180		3867
		3868	if ($REATTACH_ON_RELOAD) {
3181	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
3182	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
3183	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
3184	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
3185	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
3186	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
3187		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
3188	warn "leaving sync_job";	3880	warn "leaving sync_job";
3189		3881
3190	1	3882	1
3191	} or do {	3883	} or do {
3192	warn $@;	3884	warn $@;
3193	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
3194	exit 1;
3195	};	3886	};
3196		3887
3197	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
3198	};	3894	};
3199		3895
3200	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
3201		3897
3202	sub reload_perl() {	3898	sub reload_perl() {
3203	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
3204	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
3205		3901
3206	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
3207	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
3208	after => 0,	3904
3209	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3210	cb => sub {
3211	do_reload_perl;	3906	do_reload_perl;
3212	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
3213	},	3908	};
3214	);	3909	};
3215	}	3910	}
3216		3911
3217	register_command "reload" => sub {	3912	register_command "reload" => sub {
3218	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
3219		3914
3220	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
3221	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
3222	async { reload_perl };	3919	reload_perl;
		3920	};
3223	}	3921	}
3224	};	3922	};
3225		3923
3226	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
3227		3925
…		…
3229		3927
3230	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
3231	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
3232		3930
3233	sub wait_for_tick {	3931	sub wait_for_tick {
3234	return unless $TICK_WATCHER->is_active;
3235	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3236		3933
3237	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
3238	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
3239	$signal->wait;	3936	$signal->wait;
3240	}	3937	}
3241		3938
3242	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
3243	return unless $TICK_WATCHER->is_active;
3244	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3245		3941
3246	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
3247	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
3248	$signal->wait;	3944	$signal->wait;
3249	}	3945	}
3250		3946
3251	my $min = 1e6;#d#	3947	sub tick {
3252	my $avg = 10;
3253	$TICK_WATCHER = Event->timer (
3254	reentrant => 0,
3255	parked => 1,
3256	prio => 0,
3257	at => $NEXT_TICK || $TICK,
3258	data => WF_AUTOCANCEL,
3259	cb => sub {
3260	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
3261	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3262	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
3263	return;	3951	return;
3264	}	3952	}
3265		3953
3266	$NOW = $tick_start = Event::time;
3267
3268	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
3269		3955
3270	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3271	for(1..10) {
3272	my $t = Event::time;
3273	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3274	or die;
3275		3957
3276	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3277	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3278	$map->alloc;	3960	Coro::async_pool {
3279	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
3280	my $t = Event::time - $t;	3962	write_runtime_sync
3281		3963	or warn "ERROR: unable to write runtime file: $!";
3282	#next unless $t < 0.0013;#d#
3283	if ($t < $min) {
3284	$min = $t;
3285	}
3286	$avg = $avg * 0.99 + $t * 0.01;
3287	}
3288	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3289	exit 0;
3290	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3291	};	3964	};
		3965	}
3292		3966
3293	$RUNTIME += $TICK;
3294	$NEXT_TICK += $TICK;
3295
3296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3297	$NEXT_RUNTIME_WRITE = $NOW + 10;
3298	Coro::async_pool {
3299	write_runtime
3300	or warn "ERROR: unable to write runtime file: $!";
3301	};
3302	}
3303
3304	# my $AFTER = Event::time;
3305	# warn $AFTER - $NOW;#d#
3306
3307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3308	$sig->send;	3968	$sig->send;
3309	}	3969	}
3310	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
3311	$sig->send;	3971	$sig->send;
3312	}	3972	}
3313		3973
3314	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
3315
3316	# if we are delayed by four ticks or more, skip them all
3317	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3318
3319	$TICK_WATCHER->at ($NEXT_TICK);
3320	$TICK_WATCHER->start;
3321
3322	$LOAD = ($NOW - $tick_start) / $TICK;
3323	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3324		3976
3325	_post_tick;	3977	if (0) {
3326		3978	if ($NEXT_TICK) {
3327		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
3328	},	3983	}
3329	);	3984	}
3330		3985
3331	{	3986	{
3332	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
3333	$BDB_POLL_WATCHER = Event->io (	3988
3334	reentrant => 0,
3335	fd => BDB::poll_fileno,
3336	poll => 'r',
3337	prio => 0,
3338	data => WF_AUTOCANCEL,
3339	cb => \&BDB::poll_cb,
3340	);
3341	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
3342		3990	BDB::max_poll_reqs $TICK * 0.1;
3343	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
3344	my $status;
3345	my $current = $Coro::current;
3346	(
3347	sub {
3348	$status = $!;
3349	$current->ready; undef $current;
3350	},
3351	sub {
3352	Coro::schedule while defined $current;
3353	$! = $status;
3354	},
3355	)
3356	};
3357		3992
3358	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
3359	$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);
3360		4000
3361	cf::sync_job {	4001	cf::sync_job {
3362	eval {	4002	eval {
3363	BDB::db_env_open	4003	BDB::db_env_open
3364	$DB_ENV,	4004	$DB_ENV,
…		…
3366	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3367	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3368	0666;	4008	0666;
3369		4009
3370	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3371
3372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3373	$DB_ENV->set_lk_detect;
3374	};	4011	};
3375		4012
3376	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
3377	};	4014	};
3378	}	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	};
3379	}	4026	}
3380		4027
3381	{	4028	{
		4029	# configure IO::AIO
		4030
3382	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
3383
3384	undef $Coro::AIO::WATCHER;
3385	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
3386	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
3387	reentrant => 0,
3388	data => WF_AUTOCANCEL,
3389	fd => IO::AIO::poll_fileno,
3390	poll => 'r',
3391	prio => 6,
3392	cb => \&IO::AIO::poll_cb,
3393	);
3394	}	4034	}
3395		4035
3396	my $_log_backtrace;	4036	my $_log_backtrace;
3397		4037
3398	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3401	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3402		4042
3403	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3404	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3405	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3406	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3407	my @bt = fork_call {	4050	my @bt = fork_call {
3408	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3409	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3410	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 |"
3411	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3419	}	4062	}
3420		4063
3421	@funcs	4064	@funcs
3422	};	4065	};
3423		4066
3424	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3425	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3426	--$_log_backtrace;	4070	--$_log_backtrace;
3427	};	4071	};
3428	} else {	4072	} else {
3429	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3430	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3431	}	4075	}
3432	}	4076	}
3433		4077
3434	# load additional modules	4078	# load additional modules
3435	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3436		4081
3437	END { cf::emergency_save }	4082	END { cf::emergency_save }
3438		4083
3439	1	4084	1
3440		4085

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