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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 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;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	399	}
326		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
327	=item cf::get_slot $time[, $priority]	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>:
330	This call blocks and returns only when you have at least C<$time> seconds	419	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	420	of cpu time till the next tick. The slot is only valid till the next cede.
332		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
333	Useful for short background jobs.	425	Useful for short background jobs.
334		426
335	=cut	427	=cut
336		428
337	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
339		432
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
342	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
343		439
344	while () {	440	while () {
345	next_job:	441	next_job:
		442
346	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
347	if ($avail > 0.01) {	444
348	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
349	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
350	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
351	$job->[2]->send;	449	$job->[2]->send;
352	Coro::cede;	450	Coro::cede;
353	goto next_job;	451	goto next_job;
354	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
355	}	454	}
356	}	455	}
357		456
358	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
359	# 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
360	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	460	$signal->wait;
362	} else {	461	} else {
		462	$busy = 0;
363	Coro::schedule;	463	Coro::schedule;
364	}	464	}
365	}	465	}
366	};	466	};
367		467
368	sub get_slot($;$) {	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
369	my ($time, $pri) = @_;	471	my ($time, $pri, $name) = @_;
370		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
374	$sig->wait;	480	$sig->wait;
375	}	481	}
376		482
…		…
384		490
385	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
386		492
387	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
388		494
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	498	acceptable.
393		499
394	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		506
401	sub sync_job(&) {	507	sub sync_job(&) {
402	my ($job) = @_;	508	my ($job) = @_;
403		509
404	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	511	my $time = AE::time;
406		512
407	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
409		515
410	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	517
412	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
413		519
414	my $busy = 1;	520	my $busy = 1;
415	my @res;	521	my @res;
416		522
417	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	525	@res = eval { $job->() };
419	warn $@ if $@;	526	warn $@ if $@;
420	undef $busy;	527	undef $busy;
421	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
422		529
423	while ($busy) {	530	while ($busy) {
424	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
425	}	535	}
		536	}
426		537
427	$time = Event::time - $time;	538	my $time = AE::time - $time;
428		539
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
433		541
434	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
435	} else {	543	} else {
436	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
437		545
…		…
462	=item fork_call { }, $args	570	=item fork_call { }, $args
463		571
464	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
465	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
466	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
467	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
468		576
469	=cut	577	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		578
480	sub fork_call(&@) {	579	sub fork_call(&@) {
481	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
482		581
483	# 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,
484	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		585
488	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	587	reset_signals;
502	local $SIG{__WARN__};	588	&$cb
503	local $SIG{__DIE__};	589	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		590
510	eval {	591	wantarray ? @res : $res[-1]
511	close $fh1;	592	}
512		593
513	my @res = eval { $cb->(@args) };	594	=item $coin = coin_from_name $name
514		595
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	596	=cut
516	close $fh2;
517	};
518		597
519	warn $@ if $@;	598	our %coin_alias = (
520	_exit 0;	599	"silver" => "silvercoin",
521	}	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
522	}	619	}
523		620
524	=item $value = cf::db_get $family => $key	621	=item $value = cf::db_get $family => $key
525		622
526	Returns a single value from the environment database.	623	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	625	=item cf::db_put $family => $key => $value
529		626
530	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
531	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).
532		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
533	=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	}
534		653
535	our $DB;	654	our $DB;
536		655
537	sub db_init {	656	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	657	cf::sync_job {
542	eval {	658	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	659	};
552	}	660	}
553		661
554	sub db_get($$) {	662	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	663	my $key = "$_[0]/$_[1]";
556		664
…		…
606	if (1) {	714	if (1) {
607	$md5 =	715	$md5 =
608	join "\x00",	716	join "\x00",
609	$processversion,	717	$processversion,
610	map {	718	map {
611	Coro::cede;	719	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	720	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	721	} 0.. $#$src;
614		722
615		723
616	my $dbmd5 = db_get cache => "$id/md5";	724	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		762
655	#############################################################################	763	#############################################################################
656		764
657	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
658		766
659	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
660	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")
661	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
662		770
663	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>
664	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
665	Crossfire TRT).	773	Deliantra).
666		774
667	=over 4	775	=over 4
668		776
669	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
670		778
…		…
714	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
715		823
716	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
717	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
718		826
719	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
720	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.
721		829
722	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
723		831
724	=over 4	832	=over 4
…		…
952	}	1060	}
953		1061
954	0	1062	0
955	}	1063	}
956		1064
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1066
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1068
961	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
962		1070
…		…
968		1076
969	=cut	1077	=cut
970		1078
971	#############################################################################	1079	#############################################################################
972	# object support	1080	# object support
973	#
974		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#
975	sub _can_merge {	1115	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1116	my ($ob1, $ob2) = @_;
977		1117
978	local $Storable::canonical = 1;	1118	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1119
982	$fob1 eq $fob2	1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
983	}	1122	}
984		1123
985	sub reattach {	1124	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1126	my ($obj) = @_;
988		1127
		1128	# no longer needed after getting rid of delete_package?
989	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
990		1130
991	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
992		1132
993	@$registry = ();	1133	@$registry = ();
994		1134
…		…
1009	cf::attachable->attach (	1149	cf::attachable->attach (
1010	prio => -1000000,	1150	prio => -1000000,
1011	on_instantiate => sub {	1151	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
1013		1153
1014	$data = from_json $data;	1154	$data = decode_json $data;
1015		1155
1016	for (@$data) {	1156	for (@$data) {
1017	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
1018		1158
1019	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1175	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
1037		1177
1038	sync_job {	1178	sync_job {
1039	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
1042		1183
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	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	}
1047	close $fh;	1191	aio_close $fh;
1048		1192
1049	if (@$objs) {	1193	if (@$objs) {
1050	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) {
1051	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
1054	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	}
1055	close $fh;	1202	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1204	}
1058	} else {	1205	} else {
1059	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
1060	}	1207	}
1061		1208
1062	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1213	} else {
1064	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
1065	}	1215	}
1066	} else {	1216	} else {
1067	aio_unlink $filename;	1217	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
1069	}	1219	}
1070	}	1220	};
1071	}	1221	}
1072		1222
1073	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
1075		1225
…		…
1087	or return;	1237	or return;
1088		1238
1089	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1241	or return;
		1242
1092	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
1093	}	1245	}
1094		1246
		1247	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
1097	return ($data, $av);	1251	($data, $av)
1098	}	1252	}
1099		1253
1100	=head2 COMMAND CALLBACKS	1254	=head2 COMMAND CALLBACKS
1101		1255
1102	=over 4	1256	=over 4
…		…
1156	my ($name, $cb) = @_;	1310	my ($name, $cb) = @_;
1157		1311
1158	$EXTICMD{$name} = $cb;	1312	$EXTICMD{$name} = $cb;
1159	}	1313	}
1160		1314
		1315	use File::Glob ();
		1316
1161	cf::player->attach (	1317	cf::player->attach (
1162	on_command => sub {	1318	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
1164		1320
1165	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
1166	or return;	1322	or return;
1167		1323
…		…
1175	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
1176		1332
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1334
1179	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
1185	} else {	1350	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1352	}
1188		1353
1189	cf::override;	1354	cf::override;
1190	},	1355	},
1191	);	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	}
1192		1370
1193	sub load_extensions {	1371	sub load_extensions {
1194	cf::sync_job {	1372	cf::sync_job {
1195	my %todo;	1373	my %todo;
1196		1374
…		…
1216		1394
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1397
1220	$ext{source} =	1398	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1400	. "#line 1 \"$path\"\n{\n"
1223	. $source	1401	. $source
1224	. "\n};\n1";	1402	. "\n};\n1";
1225		1403
1226	$todo{$base} = \%ext;	1404	$todo{$base} = \%ext;
1227	}	1405	}
1228		1406
		1407	my $pass = 0;
1229	my %done;	1408	my %done;
1230	while (%todo) {	1409	while (%todo) {
1231	my $progress;	1410	my $progress;
1232		1411
		1412	++$pass;
		1413
		1414	ext:
1233	while (my ($k, $v) = each %todo) {	1415	while (my ($k, $v) = each %todo) {
1234	for (split /,\s*/, $v->{meta}{depends}) {	1416	for (split /,\s*/, $v->{meta}{depends}) {
1235	goto skip	1417	next ext
1236	unless exists $done{$_};	1418	unless exists $done{$_};
1237	}	1419	}
1238		1420
1239	warn "... loading '$k' into '$v->{pkg}'\n";	1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1240		1422
1241	unless (eval $v->{source}) {	1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
1242	my $msg = $@ ? "$v->{path}: $@\n"	1426	warn "$v->{path}: $@\n";
1243	: "$v->{base}: extension inactive.\n";
1244		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1245	if (exists $v->{meta}{mandatory}) {	1429	if exists $v->{meta}{mandatory};
1246	warn $msg;	1430	} else {
1247	warn "mandatory extension failed to load, exiting.\n";	1431	$done{$k} = delete $todo{$k};
1248	exit 1;	1432	push @EXTS, $v->{pkg};
1249	}	1433	$progress = 1;
1250		1434
1251	warn $msg;	1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
1252	}	1437	}
1253
1254	$done{$k} = delete $todo{$k};
1255	push @EXTS, $v->{pkg};
1256	$progress = 1;
1257	}	1438	}
1258		1439
1259	skip:	1440	unless ($progress) {
1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1261	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	}
1262	}	1448	}
1263	};	1449	};
1264	}	1450	}
1265		1451
1266	#############################################################################	1452	#############################################################################
1267		1453
1268	=back	1454	=back
1269		1455
1270	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1271		1457
1272	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1273		1459
1274	=cut	1460	=cut
1275		1461
1276	package cf::player;	1462	package cf::player;
1277		1463
1278	use Coro::AIO;	1464	use Coro::AIO;
1279		1465
1280	=head3 cf::player	1466	=head3 cf::player
1281		1467
1282	=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	}
1283		1483
1284	=item cf::player::find $login	1484	=item cf::player::find $login
1285		1485
1286	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1287		1487
…		…
1306		1506
1307	sub exists($) {	1507	sub exists($) {
1308	my ($login) = @_;	1508	my ($login) = @_;
1309		1509
1310	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1312	}	1512	}
1313		1513
1314	sub find($) {	1514	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1516	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1527
1328	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1329	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;
1330	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1331	}	1537	}
1332	}	1538	}
1333	}	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	);
1334		1553
1335	sub save($) {	1554	sub save($) {
1336	my ($pl) = @_;	1555	my ($pl) = @_;
1337		1556
1338	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1343	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1344		1563
1345	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1347		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
1348	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1349	Coro::cede;	1573	cf::cede_to_tick;
1350	}	1574	}
1351		1575
1352	sub new($) {	1576	sub new($) {
1353	my ($login) = @_;	1577	my ($login) = @_;
1354		1578
…		…
1360	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1361		1585
1362	$self	1586	$self
1363	}	1587	}
1364		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
1365	=item $pl->quit_character	1599	=item $pl->quit_character
1366		1600
1367	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
1368	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1369		1603
…		…
1373	my ($pl) = @_;	1607	my ($pl) = @_;
1374		1608
1375	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1376		1610
1377	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1378	$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
1379		1613
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1384		1620
1385	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1658	or return [];
1423		1659
1424	my @logins;	1660	my @logins;
1425		1661
1426	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") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1430		1672
1431	utf8::decode $login;	1673	utf8::decode $login;
1432	push @logins, $login;	1674	push @logins, $login;
1433	}	1675	}
1434		1676
…		…
1461	}	1703	}
1462		1704
1463	\@paths	1705	\@paths
1464	}	1706	}
1465		1707
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1709
1468	Expand crossfire pod fragments into protocol xml.	1710	Expand deliantra pod fragments into protocol xml.
1469		1711
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1517		1713
1518	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1519		1715
1520	=cut	1716	=cut
1521		1717
1522	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1524		1720
1525	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1722	}
1528		1723
1529	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1530		1725
1531	Sends an ext event to the client.	1726	Sends an ext event to the client.
1532		1727
1533	=cut	1728	=cut
1534		1729
1535	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1537		1732
1538	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1539	}	1734	}
1540		1735
1541	=head3 cf::region	1736	=head3 cf::region
1542		1737
1543	=over 4	1738	=over 4
…		…
1587	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1589		1784
1590	sub generate_random_map {	1785	sub generate_random_map {
1591	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
1592	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1791	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1597	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1598	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1718		1916
1719	# the temporary/swap location	1917	# the temporary/swap location
1720	sub save_path {	1918	sub save_path {
1721	my ($self) = @_;	1919	my ($self) = @_;
1722		1920
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1725	}	1923	}
1726		1924
1727	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1728	sub uniq_path {	1926	sub uniq_path {
1729	my ($self) = @_;	1927	my ($self) = @_;
1730		1928
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1931	}
1743		1932
1744	sub decay_objects {	1933	sub decay_objects {
1745	my ($self) = @_;	1934	my ($self) = @_;
1746		1935
…		…
1759		1948
1760	sub load_header_from($) {	1949	sub load_header_from($) {
1761	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1762		1951
1763	utf8::encode $path;	1952	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	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;
1769		1961
1770	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1771		1963
1772	1	1964	1
1773	}	1965	}
…		…
1827	sub find {	2019	sub find {
1828	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1829		2021
1830	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1831		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1833		2026
1834	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1837	or return;	2029	or return;
1838		2030
1839	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1840		2032
…		…
1842	or return;	2034	or return;
1843		2035
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1847	$map->reset;	2041	$map->reset;
1848	undef $guard;
1849	return find $path;	2042	return find $path;
1850	}	2043	}
1851		2044
1852	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1853	}	2046	}
1854	}	2047	}
1855		2048
1856	sub pre_load { }	2049	sub pre_load { }
1857	sub post_load { }	2050	#sub post_load { } # XS
1858		2051
1859	sub load {	2052	sub load {
1860	my ($self) = @_;	2053	my ($self) = @_;
1861		2054
1862	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1863		2056
1864	my $path = $self->{path};	2057	my $path = $self->{path};
1865		2058
1866	{	2059	{
1867	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1868		2061
		2062	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2064
1871	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1872		2066
1873	$self->alloc;	2067	$self->alloc;
1874		2068
1875	$self->pre_load;	2069	$self->pre_load;
1876	Coro::cede;	2070	cf::cede_to_tick;
1877		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1879	or return;	2075	or return;
1880		2076
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1882	if delete $self->{load_original};	2078	if delete $self->{load_original};
1883		2079
1884	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2081	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2084	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1889	}	2088	}
1890	}	2089	}
1891		2090
1892	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1893	# now do the right thing for maps	2094	# now do the right thing for maps
1894	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2097	unless $self->difficulty;
1897	Coro::cede;	2098	cf::cede_to_tick;
1898		2099
1899	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2101	$self->decay_objects;
1901	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1902	$self->update_buttons;	2103	$self->update_buttons;
1903	Coro::cede;	2104	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2105	$self->activate;
1907	}	2106	}
1908		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2112	}
1911		2113
1912	$self->post_load;	2114	$self->post_load;
1913	}	2115	}
1914		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
1915	sub customise_for {	2120	sub customise_for {
1916	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1917		2122
1918	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2124	if $self->per_player;
…		…
1923		2128
1924	$self	2129	$self
1925	}	2130	}
1926		2131
1927	# 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
1928	sub load_diag {	2133	sub load_neighbours {
1929	my ($map) = @_;	2134	my ($map) = @_;
1930		2135
1931	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1932		2137
1933	for (0 .. 3) {	2138	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1935	or next;	2140	or next;
1936	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1937	or next;	2142	or next;
1938	$neigh->load;	2143	$neigh->load;
1939		2144
		2145	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2148	}
1943		2149
1944	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1946	or next;	2153	or next;
1947	$neigh->load;	2154	$neigh->load;
1948	}	2155	}
1949	}	2156	}
1950		2157
…		…
1955	}	2162	}
1956		2163
1957	sub do_load_sync {	2164	sub do_load_sync {
1958	my ($map) = @_;	2165	my ($map) = @_;
1959		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1960	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1961	}	2171	}
1962		2172
1963	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1965		2175
1966	sub find_async {	2176	sub find_async {
1967	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1968		2178
1969	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1970		2180
1971	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2183	}
1974		2184
1975	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1976	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1977	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2192	if (my $map = find $k) {
1980	$map->load;	2193	$map->load if $v;
1981	}	2194	}
1982		2195
1983	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1984	}	2197	}
1985	}	2198	}
1986	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1987	};	2200	};
1988	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2204	}
1992		2205
1993	sub save {	2206	sub save {
1994	my ($self) = @_;	2207	my ($self) = @_;
1995		2208
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2210
1998	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1999		2212
2000	return unless $self->dirty;	2213	return unless $self->dirty;
2001		2214
…		…
2007	return if $self->{deny_save};	2220	return if $self->{deny_save};
2008		2221
2009	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
2010		2223
2011	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
2013	};	2227	};
		2228
		2229	cf::get_slot 0.02;
2014		2230
2015	if ($uniq) {	2231	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2234	} else {
…		…
2024	my ($self) = @_;	2240	my ($self) = @_;
2025		2241
2026	# save first because save cedes	2242	# save first because save cedes
2027	$self->save;	2243	$self->save;
2028		2244
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2246
2031	return if $self->players;	2247	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2249	return if $self->{deny_save};
2034		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2255	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2256	}
2038		2257
2039	sub reset_at {	2258	sub reset_at {
2040	my ($self) = @_;	2259	my ($self) = @_;
2041		2260
…		…
2059		2278
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2280
2062	return if $self->players;	2281	return if $self->players;
2063		2282
2064	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
2065		2284
2066	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
2067		2286
2068	# need to save uniques path	2287	# need to save uniques path
2069	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2292	if $uniq;
2074	}	2293	}
2075		2294
2076	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
2077		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2299	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2300
2082	$self->unlink_save;	2301	$self->unlink_save;
2083	$self->destroy;	2302	$self->destroy;
2084	}	2303	}
2085		2304
2086	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
2087		2306
2088	sub nuke {	2307	sub nuke {
2089	my ($self) = @_;	2308	my ($self) = @_;
2090		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
2091	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
2092		2314
2093	$self->unlink_save;	2315	$self->unlink_save;
2094		2316
2095	bless $self, "cf::map";	2317	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2322
2101	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
2102		2325
2103	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
2104	}	2327	}
2105		2328
2106	=item $maps = cf::map::tmp_maps	2329	=item $maps = cf::map::tmp_maps
…		…
2148		2371
2149	sub unique_maps() {	2372	sub unique_maps() {
2150	[	2373	[
2151	map {	2374	map {
2152	utf8::decode $_;	2375	utf8::decode $_;
2153	/\.map$/	2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
2154	? normalise $_	2379	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2380	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2381	]
2158	}	2382	}
2159		2383
2160	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	}
2161		2415
2162	=back	2416	=back
2163		2417
2164	=head3 cf::object	2418	=head3 cf::object
2165		2419
…		…
2169		2423
2170	=over 4	2424	=over 4
2171		2425
2172	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
2173		2427
2174	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.
2175		2430
2176	=cut	2431	=cut
2177		2432
2178	sub inv_recursive_;	2433	sub inv_recursive_;
2179	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
2182		2437
2183	sub inv_recursive {	2438	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
2185	}	2440	}
2186		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
2187	package cf;	2470	package cf;
2188		2471
2189	=back	2472	=back
2190		2473
2191	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
2197	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>
2198	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
2199	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
2200		2483
2201	=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	};
2202		2499
2203	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2501	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
2213		2510
2214	} else {	2511	} else {
2215	my $pl = $self->contr;	2512	my $pl = $self->contr;
2216		2513
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2515	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2517
2226	} else {	2518	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2521	}
2230	}	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 (@_);
2231	}	2533	}
2232		2534
2233	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
2234		2536
2235	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
2248		2550
2249	=item $player_object->enter_link	2551	=item $player_object->enter_link
2250		2552
2251	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}>).
2252		2554
2253	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.
2254	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.
2255		2559
2256	Will never block.	2560	Will never block.
2257		2561
2258	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
2259		2563
…		…
2311	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
2313		2617
2314	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
2317		2621
2318	$map->load;	2622	$map->load;
2319	$map->load_diag;	2623	$map->load_neighbours;
2320		2624
2321	return unless $self->contr->active;	2625	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2626
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
2326	}	2632	}
2327		2633
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2329		2635
2330	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
2331	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
2332	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
2333	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
2334	be called at the end of this process.	2640	be called at the end of this process.
2335		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
2336	=cut	2645	=cut
2337		2646
2338	our $GOTOGEN;	2647	our $GOTOGEN;
2339		2648
2340	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2654
2346	$self->enter_link;	2655	$self->enter_link;
2347		2656
2348	(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
2349	my $map = eval {	2679	my $map = eval {
2350	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
2351		2681
2352	if ($map) {	2682	if ($map) {
2353	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
2355	} else {	2685	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2687	}
2358		2688
2359	$map	2689	$map
2360	};	2690	};
2361		2691
…		…
2397	}	2727	}
2398		2728
2399	sub prepare_random_map {	2729	sub prepare_random_map {
2400	my ($exit) = @_;	2730	my ($exit) = @_;
2401		2731
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2734	# that depends on the exit object
2407		2735
2408	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2738	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2415	}	2745	}
2416		2746
2417	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2418		2748
2419	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2422		2752
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2755	undef $fh;
2426	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2427		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2430	}	2764	}
2431	}	2765	}
2432		2766
2433	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2435		2769
2436	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2437		2771
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2772	$self->enter_link;
2450		2773
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2774	(async {
2456	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2457	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
2458	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2459		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
2460	1;	2798	1
2461	}) {	2799	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "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. "
2464	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2804
2467	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2484	sub cf::client::send_drawinfo {	2822	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2823	my ($self, $text, $flags) = @_;
2486		2824
2487	utf8::encode $text;	2825	utf8::encode $text;
2488	$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);
2489	}	2852	}
2490		2853
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2855
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2856	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2858	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2859	the message unless the client supports the msg packet.
2497		2860
2498	=cut	2861	=cut
2499		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" => $CHAT_CHANNEL,
		2975	);
		2976
2500	sub cf::client::send_msg {	2977	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2978	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2979
2503	$msg = $self->pl->expand_cfpod ($msg);	2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
2504		2982
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
2507	if (ref $channel) {	2992	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2993	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2994	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2995	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2996	$self->ext_msg (channel_info => $channel);
2512	}	2997	}
2513		2998
2514	$channel = $channel->{id};	2999	$channel = $channel->{id};
2515	}	3000	}
2516		3001
2517	return unless @extra || length $msg;	3002	return unless @extra || length $msg;
2518		3003
2519	if ($self->can_msg) {	3004	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	3006	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3007
2532	if ($color >= 0) {	3008	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	3009	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	3011	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2543	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2544		3017
2545	Sends an ext event to the client.	3018	Sends an ext event to the client.
2546		3019
2547	=cut	3020	=cut
2548		3021
2549	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2551		3024
2552	return unless $self->extcmd;	3025	if ($self->extcmd == 2) {
2553		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2556	}	3049	}
2557		3050
2558	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2559		3052
2560	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	3108	my ($ns, $buf) = @_;
2616		3109
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		3111
2619	if (ref $msg) {	3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3120	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	3121	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
2626	} else {	3127	} else {
2627	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";
2628	}	3129	}
2629		3130
2630	cf::override;	3131	cf::override;
…		…
2652		3153
2653	$coro	3154	$coro
2654	}	3155	}
2655		3156
2656	cf::client->attach (	3157	cf::client->attach (
2657	on_destroy => sub {	3158	on_client_destroy => sub {
2658	my ($ns) = @_;	3159	my ($ns) = @_;
2659		3160
2660	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2661	},	3162	},
2662	);	3163	);
…		…
2677	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2679		3180
2680	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2681		3182
2682	$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	));
2683		3188
2684	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2685		3190
2686	=pod	3191	=pod
2687		3192
2688	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2689		3194
2690	cf::object	3195	cf::object
2691	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
2692	insert remove	3197	insert remove name archname title slaying race decrease split
		3198	value
2693		3199
2694	cf::object::player	3200	cf::object::player
2695	player	3201	player
2696		3202
2697	cf::player	3203	cf::player
…		…
2702		3208
2703	=cut	3209	=cut
2704		3210
2705	for (	3211	for (
2706	["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
2707	insert remove)],	3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2708	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2710	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2711	) {	3218	) {
2712	no strict 'refs';	3219	no strict 'refs';
2713	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2714	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2732		3239
2733	my $qcode = $code;	3240	my $qcode = $code;
2734	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2735	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2736		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2737	local $_;	3247	local $_;
2738	local @safe::cf::_safe_eval_args = values %vars;
2739		3248
2740	my $eval =	3249	my $eval =
2741	"do {\n"	3250	"do {\n"
2742	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2743	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2744	. $code	3253	. $code
2745	. "\n}"	3254	. "\n}"
2746	;	3255	;
2747		3256
		3257	if ($CFG{safe_eval}) {
2748	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2749	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2750	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	}
2751		3266
2752	if ($@) {	3267	if ($@) {
2753	warn "$@";	3268	warn "$@";
2754	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2755	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2774	=cut	3289	=cut
2775		3290
2776	sub register_script_function {	3291	sub register_script_function {
2777	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2778		3293
2779	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2780	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2781	}	3296	}
2782		3297
2783	=back	3298	=back
2784		3299
2785	=cut	3300	=cut
…		…
2787	#############################################################################	3302	#############################################################################
2788	# the server's init and main functions	3303	# the server's init and main functions
2789		3304
2790	sub load_facedata($) {	3305	sub load_facedata($) {
2791	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;
2792		3313
2793	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2794		3315
2795	my $facedata;	3316	my $facedata;
2796	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2800		3321
2801	$facedata->{version} == 2	3322	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		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
2804	{	3334	{
2805	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2806		3336
2807	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2809	cf::face::set_visibility $idx, $info->{visibility};	3340	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3341	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2813		3344
2814	cf::cede_to_tick;	3345	cf::cede_to_tick;
2815	}	3346	}
2816		3347
2817	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2819	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2820	or next;	3352	or next;
		3353
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3355	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3357	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2839		3372
2840	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2841	}	3374	}
2842		3375
2843	{	3376	{
2844	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3377	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3378
2849	while (my ($name, $info) = each %$res) {	3379	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3380	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2857		3382
2858	if ($name =~ /\.jpg$/) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3384	cf::face::set_type $idx, $info->{type};
2861	} else {	3385	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3386	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3387	}
2868		3388
2869	cf::cede_to_tick;	3389	cf::cede_to_tick;
2870	}	3390	}
2871	}	3391	}
2872		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2873	1	3395	1
2874	}	3396	}
2875		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
2876	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
2877	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3442	or die "unable to load regions file\n";
2879		3443
2880	for (cf::region::list) {	3444	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3445	$_->{match} = qr/$_->{match}/
…		…
2889	}	3453	}
2890		3454
2891	sub reload_archetypes {	3455	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3456	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3457	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3458	}
2900		3459
2901	sub reload_treasures {	3460	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3461	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3462	or die "unable to load treasurelists\n";
2904	}	3463	}
2905		3464
2906	sub reload_resources {	3465	sub reload_resources {
2907	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2908		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2909	reload_regions;	3470	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3471	reload_treasures;
2914		3472
2915	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2916	}	3474	}
2917		3475
2918	sub init {	3476	sub reload_config {
2919	reload_resources;	3477	warn "reloading config file...\n";
2920	}
2921		3478
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3480	or return;
2925		3481
2926	local $/;	3482	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2928		3484
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3486
2931	$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};
2932	$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};
…		…
2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2937	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2938	};	3494	};
2939	warn $@ if $@;	3495	warn $@ if $@;
2940	}	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;
2941	}	3527	}
2942		3528
2943	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
2944	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2946	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#
2947	(async {	3547	(async {
2948	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2950	};	3551	};
2951		3552
2952	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;
2953	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
2954	load_extensions;	3571	load_extensions;
2955		3572
2956	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2957	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;
2958	}	3583	}
2959		3584
2960	#############################################################################	3585	#############################################################################
2961	# initialisation and cleanup	3586	# initialisation and cleanup
2962		3587
2963	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2964	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2973	},
2974	);	3594	};
2975	}	3595	}
2976	}	3596	}
2977		3597
2978	sub write_runtime {	3598	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";	3599	my $t0 = AE::time;
2980		3600
2981	# first touch the runtime file to show we are still running:	3601	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3602	# the fsync below can take a very very long time.
2983		3603
2984	IO::AIO::aio_utime $runtime, undef, undef;	3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3605
2986	my $guard = cf::lock_acquire "write_runtime";	3606	my $guard = cf::lock_acquire "write_runtime";
2987		3607
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2989	or return;	3609	or return;
2990		3610
2991	my $value = $cf::RUNTIME + 90 + 10;	3611	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3612	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3613	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3623	aio_utime $fh, undef, undef;
3004		3624
3005	close $fh	3625	close $fh
3006	or return;	3626	or return;
3007		3627
3008	aio_rename "$runtime~", $runtime	3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3629	and return;
3010		3630
3011	warn "runtime file written.\n";	3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3012		3632
3013	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 };
3014	}	3684	}
3015		3685
3016	sub emergency_save() {	3686	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
3018		3688
3019	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
3020		3690
3021	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
3022	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3705	$pl->save;
3030	}	3706	}
3031	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
3032		3708
3033	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3712	$map->valid or next;
3037	$map->save;	3713	$map->save;
3038	}	3714	}
3039	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
3040		3716
3041	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
3043	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";
3044	};	3724	};
3045		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
3046	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
3047	}	3732	}
3048		3733
3049	sub post_cleanup {	3734	sub post_cleanup {
3050	my ($make_core) = @_;	3735	my ($make_core) = @_;
3051		3736
3052	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
3053	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 $pkg\n";#d#
3054	}	3768	}
3055		3769
3056	sub do_reload_perl() {	3770	sub do_reload_perl() {
3057	# can/must only be called in main	3771	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
3060	return;	3774	return;
3061	}	3775	}
3062		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
3063	warn "reloading...";	3782	warn "reloading...";
3064		3783
3065	warn "entering sync_job";	3784	warn "entering sync_job";
3066		3785
3067	cf::sync_job {	3786	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3788	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
3071		3790
3072	warn "syncing database to disk";	3791	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3793
3075	# 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
3076		3795
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3799	}
3114		3800
3115	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
3117	}	3803	%EXT_CORO = ();
3118		3804
3119	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3814	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3815
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
3130	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
3131	}	3825	}
3132		3826
3133	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 $k;
3134	}	3842	}
3135		3843
3136	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
3138	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);
3139		3847
3140	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3143		3851
3144	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3853	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
3147		3855
3148	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
3149		3857
3150	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
3151	require cf;	3859	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
3153		3861
3154	warn "loading config and database again";	3862	warn "loading config and database again";
3155	cf::cfg_load;	3863	cf::reload_config;
3156		3864
3157	warn "loading extensions";	3865	warn "loading extensions";
3158	cf::load_extensions;	3866	cf::load_extensions;
3159		3867
		3868	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
3166		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
3167	warn "leaving sync_job";	3880	warn "leaving sync_job";
3168		3881
3169	1	3882	1
3170	} or do {	3883	} or do {
3171	warn $@;	3884	warn $@;
3172	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3886	};
3175		3887
3176	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
3177	};	3894	};
3178		3895
3179	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
3180		3897
3181	sub reload_perl() {	3898	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
3184		3901
3185	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3904
3188	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3906	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
3192	},	3908	};
3193	);	3909	};
3194	}	3910	}
3195		3911
3196	register_command "reload" => sub {	3912	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
3198		3914
3199	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3919	reload_perl;
		3920	};
3202	}	3921	}
3203	};	3922	};
3204		3923
3205	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
3206		3925
…		…
3208		3927
3209	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
3211		3930
3212	sub wait_for_tick {	3931	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3215		3933
3216	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3936	$signal->wait;
3219	}	3937	}
3220		3938
3221	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3224		3941
3225	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3944	$signal->wait;
3228	}	3945	}
3229		3946
3230	my $min = 1e6;#d#	3947	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
3242	return;	3951	return;
3243	}	3952	}
3244		3953
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
3248		3955
3249	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3250	for(1..10) {
3251	my $t = Event::time;
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3253	or die;
3254		3957
3255	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	$map->alloc;	3960	Coro::async_pool {
3258	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
3259	my $t = Event::time - $t;	3962	write_runtime_sync
3260		3963	or warn "ERROR: unable to write runtime file: $!";
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3964	};
		3965	}
3271		3966
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3968	$sig->send;
3288	}	3969	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3971	$sig->send;
3291	}	3972	}
3292		3973
3293	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3976
3304	_post_tick;	3977	if (0) {
3305		3978	if ($NEXT_TICK) {
3306		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
3307	},	3983	}
3308	);	3984	}
3309		3985
3310	{	3986	{
3311	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3988
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
3321		3990	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3992
3337	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
3338	$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);
3339		4000
3340	cf::sync_job {	4001	cf::sync_job {
3341	eval {	4002	eval {
3342	BDB::db_env_open	4003	BDB::db_env_open
3343	$DB_ENV,	4004	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	4008	0666;
3348		4009
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	4011	};
3354		4012
3355	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	4014	};
3357	}	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	};
3358	}	4026	}
3359		4027
3360	{	4028	{
		4029	# configure IO::AIO
		4030
3361	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	4034	}
3374		4035
3375	my $_log_backtrace;	4036	my $_log_backtrace;
3376		4037
3377	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3381		4042
3382	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3385	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3386	my @bt = fork_call {	4050	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	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 |"
3390	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3398	}	4062	}
3399		4063
3400	@funcs	4064	@funcs
3401	};	4065	};
3402		4066
3403	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	4070	--$_log_backtrace;
3406	};	4071	};
3407	} else {	4072	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3409	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3410	}	4075	}
3411	}	4076	}
3412		4077
3413	# load additional modules	4078	# load additional modules
3414	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3415		4081
3416	END { cf::emergency_save }	4082	END { cf::emergency_save }
3417		4083
3418	1	4084	1
3419		4085

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