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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC vs.
Revision 1.520 by root, Fri Apr 16 02:37:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
74		115
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	118	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
101		150
102	binmode STDOUT;	151	binmode STDOUT;
103	binmode STDERR;	152	binmode STDERR;
104		153
105	# read virtual server time, if available	154	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
110	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
111		162
112	mkdir $_	163	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		165
115	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
116		167
117	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		180
119	#############################################################################	181	#############################################################################
120		182
121	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
122		184
…		…
158		220
159	The raw value load value from the last tick.	221	The raw value load value from the last tick.
160		222
161	=item %cf::CFG	223	=item %cf::CFG
162		224
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	226	from wherever your confdir points to.
165		227
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		229
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		233
172	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
173		235
174	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	238	that call.
177		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
178	=back	246	=back
179		247
180	=cut	248	=cut
181		249
182	BEGIN {	250	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	251	my $msg = join "", @_;
185		252
186	$msg .= "\n"	253	$msg .= "\n"
187	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
188		255
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		257
191	utf8::encode $msg;
192	LOG llevError, $msg;	258	LOG llevError, $msg;
193	};	259	};
194	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
195		274
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	285	for my $pkg (qw(
207	cf::global cf::attachable	286	cf::global cf::attachable
208	cf::object cf::object::player	287	cf::object cf::object::player
209	cf::client cf::player	288	cf::client cf::player
210	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
211	cf::map cf::party cf::region	291	cf::party cf::region
212	)) {	292	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	294	}
216		295
217	$Event::DIED = sub {	296	$EV::DIED = sub {
218	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
219	};	298	};
220		299
221	#############################################################################	300	#############################################################################
222		301
223	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	325	$d
247	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
248	}	327	}
249		328
250	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
251		330
252	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
253		332
254	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
255		334
256	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
257		336
258	=cut	337	=cut
259		338
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		340
262	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
264		357
265	=item cf::lock_wait $string	358	=item cf::lock_wait $string
266		359
267	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
268		361
269	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
270		363
271	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
274	returned.	367	returned.
275		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
276	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
278		374
279	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
280		376
281	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
282		378
283	=cut	379	=cut
284		380
285	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
286		382
287	sub lock_wait($) {	383	sub lock_wait($) {
288	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	385	}
296		386
297	sub lock_acquire($) {	387	sub lock_acquire($) {
298	my ($key) = @_;	388	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	389	}
310		390
311	sub lock_active($) {	391	sub lock_active($) {
312	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	393	}
316		394
317	sub freeze_mainloop {	395	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
319		397
320	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	399	}
322	};	400
323	$TICK_WATCHER->stop;	401	=item cf::periodic $interval, $cb
324	$guard	402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
325	}	414	}
326		415
327	=item cf::get_slot $time[, $priority[, $name]]	416	=item cf::get_slot $time[, $priority[, $name]]
328		417
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		426
338	=cut	427	=cut
339		428
340	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
342		432
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
345	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
346		439
347	while () {	440	while () {
348	next_job:	441	next_job:
		442
349	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	444
351	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	449	$job->[2]->send;
355	Coro::cede;	450	Coro::cede;
356	goto next_job;	451	goto next_job;
357	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	454	}
359	}	455	}
360		456
361	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	460	$signal->wait;
365	} else {	461	} else {
		462	$busy = 0;
366	Coro::schedule;	463	Coro::schedule;
367	}	464	}
368	}	465	}
369	};	466	};
370		467
371	sub get_slot($;$$) {	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
372	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
373		472
374	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
375	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
376		476
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
390		490
391	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
392		492
393	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
394		494
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	498	acceptable.
399		499
400	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		506
407	sub sync_job(&) {	507	sub sync_job(&) {
408	my ($job) = @_;	508	my ($job) = @_;
409		509
410	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	511	my $time = AE::time;
412		512
413	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
415		515
416	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	517
418	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
419		519
420	my $busy = 1;	520	my $busy = 1;
421	my @res;	521	my @res;
422		522
423	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	525	@res = eval { $job->() };
425	warn $@ if $@;	526	warn $@ if $@;
426	undef $busy;	527	undef $busy;
427	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
428		529
429	while ($busy) {	530	while ($busy) {
430	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
431	}	535	}
		536	}
432		537
433	$time = Event::time - $time;	538	my $time = AE::time - $time;
434		539
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
439		541
440	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
441	} else {	543	} else {
442	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
443		545
…		…
468	=item fork_call { }, $args	570	=item fork_call { }, $args
469		571
470	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
474		576
475	=cut	577	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		578
486	sub fork_call(&@) {	579	sub fork_call(&@) {
487	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
488		581
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	582	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		585
494	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	587	reset_signals;
508	local $SIG{__WARN__};	588	&$cb
509	local $SIG{__DIE__};	589	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		590
516	eval {	591	wantarray ? @res : $res[-1]
517	close $fh1;	592	}
518		593
519	my @res = eval { $cb->(@args) };	594	sub objinfo {
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
528	}	630	}
529		631
530	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
531		633
532	Returns a single value from the environment database.	634	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
535		637
536	Stores the given C<$value> in the family. It can currently store binary	638	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
539	=cut	646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
540		664
541	our $DB;	665	our $DB;
542		666
543	sub db_init {	667	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	668	cf::sync_job {
548	eval {	669	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	670	};
558	}	671	}
559		672
560	sub db_get($$) {	673	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
562		675
…		…
612	if (1) {	725	if (1) {
613	$md5 =	726	$md5 =
614	join "\x00",	727	join "\x00",
615	$processversion,	728	$processversion,
616	map {	729	map {
617	Coro::cede;	730	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	731	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	732	} 0.. $#$src;
620		733
621		734
622	my $dbmd5 = db_get cache => "$id/md5";	735	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		773
661	#############################################################################	774	#############################################################################
662		775
663	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
664		777
665	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
668		781
669	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	784	Deliantra).
672		785
673	=over 4	786	=over 4
674		787
675	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
676		789
…		…
720	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
721		834
722	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
724		837
725	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
727		840
728	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
729		842
730	=over 4	843	=over 4
…		…
958	}	1071	}
959		1072
960	0	1073	0
961	}	1074	}
962		1075
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1077
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1079
967	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
968		1081
…		…
974		1087
975	=cut	1088	=cut
976		1089
977	#############################################################################	1090	#############################################################################
978	# object support	1091	# object support
979	#
980		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
981	sub _can_merge {	1126	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1127	my ($ob1, $ob2) = @_;
983		1128
984	local $Storable::canonical = 1;	1129	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1130
988	$fob1 eq $fob2	1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
989	}	1133	}
990		1134
991	sub reattach {	1135	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1137	my ($obj) = @_;
994		1138
		1139	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1141
997	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
998		1143
999	@$registry = ();	1144	@$registry = ();
1000		1145
…		…
1015	cf::attachable->attach (	1160	cf::attachable->attach (
1016	prio => -1000000,	1161	prio => -1000000,
1017	on_instantiate => sub {	1162	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
1019		1164
1020	$data = from_json $data;	1165	$data = decode_json $data;
1021		1166
1022	for (@$data) {	1167	for (@$data) {
1023	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
1024		1169
1025	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1186	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
1043		1188
1044	sync_job {	1189	sync_job {
1045	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
1048		1194
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1202	aio_close $fh;
1054		1203
1055	if (@$objs) {	1204	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1211	aio_fsync $fh;
		1212	}
1061	close $fh;	1213	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1215	}
1064	} else {	1216	} else {
1065	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
1066	}	1218	}
1067		1219
1068	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1224	} else {
1070	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
1071	}	1226	}
1072	} else {	1227	} else {
1073	aio_unlink $filename;	1228	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1075	}	1230	}
1076	}	1231	};
1077	}	1232	}
1078		1233
1079	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
1081		1236
…		…
1093	or return;	1248	or return;
1094		1249
1095	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1252	or return;
		1253
1098	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1099	}	1256	}
1100		1257
		1258	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1103	return ($data, $av);	1262	($data, $av)
1104	}	1263	}
1105		1264
1106	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1107		1266
1108	=over 4	1267	=over 4
…		…
1162	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1163		1322
1164	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1165	}	1324	}
1166		1325
		1326	use File::Glob ();
		1327
1167	cf::player->attach (	1328	cf::player->attach (
1168	on_command => sub {	1329	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1170		1331
1171	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1172	or return;	1333	or return;
1173		1334
…		…
1186	my ($type, $reply, @payload) =	1347	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1348	"ARRAY" eq ref $msg
1188	? @$msg	1349	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1351
		1352	my @reply;
		1353
1191	if (my $cb = $EXTCMD{$type}) {	1354	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1355	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1197	} else {	1361	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1363	}
1200		1364
1201	cf::override;	1365	cf::override;
1202	},	1366	},
1203	);	1367	);
		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
1204		1381
1205	sub load_extensions {	1382	sub load_extensions {
1206	cf::sync_job {	1383	cf::sync_job {
1207	my %todo;	1384	my %todo;
1208		1385
…		…
1228		1405
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1408
1232	$ext{source} =	1409	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1235	. $source	1412	. $source
1236	. "\n};\n1";	1413	. "\n};\n1";
1237		1414
1238	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1239	}	1416	}
1240		1417
		1418	my $pass = 0;
1241	my %done;	1419	my %done;
1242	while (%todo) {	1420	while (%todo) {
1243	my $progress;	1421	my $progress;
1244		1422
		1423	++$pass;
		1424
		1425	ext:
1245	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1428	next ext
1248	unless exists $done{$_};	1429	unless exists $done{$_};
1249	}	1430	}
1250		1431
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1433
1253	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1258	warn $msg;	1441	} else {
1259	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1260	exit 1;	1443	push @EXTS, $v->{pkg};
1261	}	1444	$progress = 1;
1262		1445
1263	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1264	}	1448	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1449	}
1270		1450
1271	skip:	1451	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1274	}	1459	}
1275	};	1460	};
1276	}	1461	}
1277		1462
1278	#############################################################################	1463	#############################################################################
1279		1464
1280	=back	1465	=back
1281		1466
1282	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1283		1468
1284	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1285		1470
1286	=cut	1471	=cut
1287		1472
1288	package cf::player;	1473	package cf::player;
1289		1474
1290	use Coro::AIO;	1475	use Coro::AIO;
1291		1476
1292	=head3 cf::player	1477	=head3 cf::player
1293		1478
1294	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1295		1494
1296	=item cf::player::find $login	1495	=item cf::player::find $login
1297		1496
1298	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1299		1498
…		…
1318		1517
1319	sub exists($) {	1518	sub exists($) {
1320	my ($login) = @_;	1519	my ($login) = @_;
1321		1520
1322	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1324	}	1523	}
1325		1524
1326	sub find($) {	1525	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1527	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1538
1340	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1343	}	1548	}
1344	}	1549	}
1345	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1346		1564
1347	sub save($) {	1565	sub save($) {
1348	my ($pl) = @_;	1566	my ($pl) = @_;
1349		1567
1350	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1356		1574
1357	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1359		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1360	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1361	Coro::cede;	1584	cf::cede_to_tick;
1362	}	1585	}
1363		1586
1364	sub new($) {	1587	sub new($) {
1365	my ($login) = @_;	1588	my ($login) = @_;
1366		1589
…		…
1372	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1373		1596
1374	$self	1597	$self
1375	}	1598	}
1376		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1377	=item $pl->quit_character	1610	=item $pl->quit_character
1378		1611
1379	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1381		1614
…		…
1385	my ($pl) = @_;	1618	my ($pl) = @_;
1386		1619
1387	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1388		1621
1389	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1624
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1396		1631
1397	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1669	or return [];
1435		1670
1436	my @logins;	1671	my @logins;
1437		1672
1438	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1442		1683
1443	utf8::decode $login;	1684	utf8::decode $login;
1444	push @logins, $login;	1685	push @logins, $login;
1445	}	1686	}
1446		1687
…		…
1473	}	1714	}
1474		1715
1475	\@paths	1716	\@paths
1476	}	1717	}
1477		1718
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1720
1480	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1722
1528	=item $player->ext_reply ($msgid, @msg)	1723	=item $player->ext_reply ($msgid, @msg)
1529		1724
1530	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1531		1726
1532	=cut	1727	=cut
1533		1728
1534	sub ext_reply($$@) {	1729	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1730	my ($self, $id, @msg) = @_;
1536		1731
1537	if ($self->ns->extcmd == 2) {	1732	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1733	}
1545		1734
1546	=item $player->ext_msg ($type, @msg)	1735	=item $player->ext_msg ($type, @msg)
1547		1736
1548	Sends an ext event to the client.	1737	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1606		1795
1607	sub generate_random_map {	1796	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1609	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1802	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1735		1927
1736	# the temporary/swap location	1928	# the temporary/swap location
1737	sub save_path {	1929	sub save_path {
1738	my ($self) = @_;	1930	my ($self) = @_;
1739		1931
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1742	}	1934	}
1743		1935
1744	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1745	sub uniq_path {	1937	sub uniq_path {
1746	my ($self) = @_;	1938	my ($self) = @_;
1747		1939
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1942	}
1760		1943
1761	sub decay_objects {	1944	sub decay_objects {
1762	my ($self) = @_;	1945	my ($self) = @_;
1763		1946
…		…
1776		1959
1777	sub load_header_from($) {	1960	sub load_header_from($) {
1778	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1779		1962
1780	utf8::encode $path;	1963	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1786		1972
1787	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1788		1974
1789	1	1975	1
1790	}	1976	}
…		…
1844	sub find {	2030	sub find {
1845	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1846		2032
1847	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1848		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2037
1851	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1854	or return;	2040	or return;
1855		2041
1856	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1857		2043
…		…
1859	or return;	2045	or return;
1860		2046
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1864	$map->reset;	2052	$map->reset;
1865	undef $guard;
1866	return find $path;	2053	return find $path;
1867	}	2054	}
1868		2055
1869	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1870	}	2057	}
1871	}	2058	}
1872		2059
1873	sub pre_load { }	2060	sub pre_load { }
1874	sub post_load { }	2061	#sub post_load { } # XS
1875		2062
1876	sub load {	2063	sub load {
1877	my ($self) = @_;	2064	my ($self) = @_;
1878		2065
1879	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1880		2067
1881	my $path = $self->{path};	2068	my $path = $self->{path};
1882		2069
1883	{	2070	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1885		2072
		2073	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2075
1888	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1889		2077
1890	$self->alloc;	2078	$self->alloc;
1891		2079
1892	$self->pre_load;	2080	$self->pre_load;
1893	Coro::cede;	2081	cf::cede_to_tick;
1894		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1896	or return;	2086	or return;
1897		2087
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1899	if delete $self->{load_original};	2089	if delete $self->{load_original};
1900		2090
1901	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2092	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2095	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1906	}	2099	}
1907	}	2100	}
1908		2101
1909	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1910	# now do the right thing for maps	2105	# now do the right thing for maps
1911	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2108	unless $self->difficulty;
1914	Coro::cede;	2109	cf::cede_to_tick;
1915		2110
1916	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2112	$self->decay_objects;
1918	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1919	$self->update_buttons;	2114	$self->update_buttons;
1920	Coro::cede;	2115	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2116	$self->activate;
1924	}	2117	}
1925		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2123	}
1928		2124
1929	$self->post_load;	2125	$self->post_load;
1930	}	2126	}
1931		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2131	sub customise_for {
1933	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1934		2133
1935	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2135	if $self->per_player;
…		…
1940		2139
1941	$self	2140	$self
1942	}	2141	}
1943		2142
1944	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2144	sub load_neighbours {
1946	my ($map) = @_;	2145	my ($map) = @_;
1947		2146
1948	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1949		2148
1950	for (0 .. 3) {	2149	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1952	or next;	2151	or next;
1953	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1954	or next;	2153	or next;
1955	$neigh->load;	2154	$neigh->load;
1956		2155
		2156	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2159	}
1960		2160
1961	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1963	or next;	2164	or next;
1964	$neigh->load;	2165	$neigh->load;
1965	}	2166	}
1966	}	2167	}
1967		2168
…		…
1972	}	2173	}
1973		2174
1974	sub do_load_sync {	2175	sub do_load_sync {
1975	my ($map) = @_;	2176	my ($map) = @_;
1976		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1977	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1978	}	2182	}
1979		2183
1980	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1982		2186
1983	sub find_async {	2187	sub find_async {
1984	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1985		2189
1986	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1987		2191
1988	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2194	}
1991		2195
1992	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1993	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1994	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2203	if (my $map = find $k) {
1997	$map->load;	2204	$map->load if $v;
1998	}	2205	}
1999		2206
2000	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
2001	}	2208	}
2002	}	2209	}
2003	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
2004	};	2211	};
2005	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
2006		2213
2007	()	2214	()
2008	}	2215	}
2009		2216
		2217	# common code, used by both ->save and ->swapout
2010	sub save {	2218	sub _save {
2011	my ($self) = @_;	2219	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2220
2015	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
2016		2222
2017	return unless $self->dirty;	2223	return unless $self->dirty;
2018		2224
…		…
2024	return if $self->{deny_save};	2230	return if $self->{deny_save};
2025		2231
2026	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
2027		2233
2028	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
2030	};	2237	};
		2238
		2239	cf::get_slot 0.02;
2031		2240
2032	if ($uniq) {	2241	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2244	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2246	}
2038	}	2247	}
2039		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
2040	sub swap_out {	2257	sub swap_out {
2041	my ($self) = @_;	2258	my ($self) = @_;
2042		2259
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
2048	return if $self->players;	2264	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
2052	$self->clear;	2275	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2276	}
2055		2277
2056	sub reset_at {	2278	sub reset_at {
2057	my ($self) = @_;	2279	my ($self) = @_;
2058		2280
…		…
2076		2298
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2300
2079	return if $self->players;	2301	return if $self->players;
2080		2302
2081	warn "resetting map ", $self->path;	2303	warn "resetting map ", $self->path, "\n";
2082		2304
2083	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
2084		2306
2085	# need to save uniques path	2307	# need to save uniques path
2086	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
2090	if $uniq;	2312	if $uniq;
2091	}	2313	}
2092		2314
2093	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2094		2316
		2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2319	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2320
2099	$self->unlink_save;	2321	$self->unlink_save;
2100	$self->destroy;	2322	$self->destroy;
2101	}	2323	}
2102		2324
2103	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
2104		2326
2105	sub nuke {	2327	sub nuke {
2106	my ($self) = @_;	2328	my ($self) = @_;
2107		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
2108	delete $cf::MAP{$self->path};	2333	delete $cf::MAP{$self->path};
2109		2334
2110	$self->unlink_save;	2335	$self->unlink_save;
2111		2336
2112	bless $self, "cf::map";	2337	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2338	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2342
2118	$cf::MAP{$self->path} = $self;	2343	$cf::MAP{$self->path} = $self;
		2344	}
2119		2345
2120	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
2121	}	2347	}
2122		2348
2123	=item $maps = cf::map::tmp_maps	2349	=item $maps = cf::map::tmp_maps
…		…
2165		2391
2166	sub unique_maps() {	2392	sub unique_maps() {
2167	[	2393	[
2168	map {	2394	map {
2169	utf8::decode $_;	2395	utf8::decode $_;
2170	/\.map$/	2396	s/\.map$//; # TODO future compatibility hack
		2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2398	? ()
2171	? normalise $_	2399	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2400	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2401	]
2175	}	2402	}
2176		2403
2177	package cf;	2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
2178		2435
2179	=back	2436	=back
2180		2437
2181	=head3 cf::object	2438	=head3 cf::object
2182		2439
…		…
2186		2443
2187	=over 4	2444	=over 4
2188		2445
2189	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
2190		2447
2191	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
2192		2450
2193	=cut	2451	=cut
2194		2452
2195	sub inv_recursive_;	2453	sub inv_recursive_;
2196	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
2199		2457
2200	sub inv_recursive {	2458	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
2202	}	2460	}
2203		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
2204	package cf;	2490	package cf;
2205		2491
2206	=back	2492	=back
2207		2493
2208	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
2217		2503
2218	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
2219		2519
2220	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2521	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2535	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2537
2238	} else {	2538	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2541	}
2242	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
2243	}	2553	}
2244		2554
2245	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
2246		2556
2247	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
2260		2570
2261	=item $player_object->enter_link	2571	=item $player_object->enter_link
2262		2572
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2574
2265	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
2267		2579
2268	Will never block.	2580	Will never block.
2269		2581
2270	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
2271		2583
…		…
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2609
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2611	if $self->map && $self->map->{path} ne "{link}";
2300		2612
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2614	}
2303		2615
2304	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
2306		2618
…		…
2323	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
2325		2637
2326	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
2329		2641
2330	$map->load;	2642	$map->load;
2331	$map->load_diag;	2643	$map->load_neighbours;
2332		2644
2333	return unless $self->contr->active;	2645	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2646
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
		2651	$self->activate_recursive;
2338	}	2652	}
2339		2653
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2341		2655
2342	Moves the player to the given map-path and coordinates by first freezing	2656	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2657	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2658	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2659	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2660	be called at the end of this process.
2347		2661
		2662	Note that $check will be called with a potentially non-loaded map, so if
		2663	it needs a loaded map it has to call C<< ->load >>.
		2664
2348	=cut	2665	=cut
2349		2666
2350	our $GOTOGEN;	2667	our $GOTOGEN;
2351		2668
2352	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2674
2358	$self->enter_link;	2675	$self->enter_link;
2359		2676
2360	(async {	2677	(async {
		2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
2361	my $map = eval {	2699	my $map = eval {
2362	my $map = cf::map::find $path;	2700	my $map = defined $path ? cf::map::find $path : undef;
2363		2701
2364	if ($map) {	2702	if ($map) {
2365	$map = $map->customise_for ($self);	2703	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2704	$map = $check->($map) if $check && $map;
2367	} else {	2705	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2707	}
2370		2708
2371	$map	2709	$map
2372	};	2710	};
2373		2711
…		…
2409	}	2747	}
2410		2748
2411	sub prepare_random_map {	2749	sub prepare_random_map {
2412	my ($exit) = @_;	2750	my ($exit) = @_;
2413		2751
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2752	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2753	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2754	# that depends on the exit object
2419		2755
2420	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2758	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2759	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
2427	}	2765	}
2428		2766
2429	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
2430		2768
2431	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2771	my $meta = "$RANDOMDIR/$md5.meta";
2434		2772
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2775	undef $fh;
2438	aio_rename "$meta~", $meta;	2776	aio_rename "$meta~", $meta;
2439		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
2442	}	2784	}
2443	}	2785	}
2444		2786
2445	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
2447		2789
2448	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
2449		2791
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2792	$self->enter_link;
2462		2793
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2794	(async {
2468	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
2469	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
		2804	prepare_random_map $exit
		2805	if $exit->slaying eq "/!";
		2806	}
		2807
		2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
		2811
2470	$self->goto ($slaying, $hp, $sp);	2812	$self->goto ($map, $x, $y);
2471		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
2472	1;	2818	1
2473	}) {	2819	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2824
2479	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
…		…
2496	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
2498		2844
2499	utf8::encode $text;	2845	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2847	}
		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
2501	}	2872	}
2502		2873
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		2875
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	2876	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2878	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2879	the message unless the client supports the msg packet.
2509		2880
2510	=cut	2881	=cut
2511		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
2512	sub cf::client::send_msg {	2997	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2998	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2999
2515	$msg = $self->pl->expand_cfpod ($msg);	3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
2516		3002
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
2519	if (ref $channel) {	3012	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3013	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3014	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3015	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	3016	$self->ext_msg (channel_info => $channel);
2524	}	3017	}
…		…
2526	$channel = $channel->{id};	3019	$channel = $channel->{id};
2527	}	3020	}
2528		3021
2529	return unless @extra || length $msg;	3022	return unless @extra || length $msg;
2530		3023
2531	if ($self->can_msg) {	3024	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3026	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3027
2544	if ($color >= 0) {	3028	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3029	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3031	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3032
2549	$self->send_packet ("drawinfo $color $msg")	3033	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3034	}
2554		3035
2555	=item $client->ext_msg ($type, @msg)	3036	=item $client->ext_msg ($type, @msg)
2556		3037
2557	Sends an ext event to the client.	3038	Sends an ext event to the client.
…		…
2559	=cut	3040	=cut
2560		3041
2561	sub cf::client::ext_msg($$@) {	3042	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3043	my ($self, $type, @msg) = @_;
2563		3044
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3045	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3047	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3048	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	3068	}
2572	}	3069	}
2573		3070
2574	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
2575		3072
…		…
2636	my ($type, $reply, @payload) =	3133	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	3134	"ARRAY" eq ref $msg
2638	? @$msg	3135	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3137
		3138	my @reply;
		3139
2641	if (my $cb = $EXTICMD{$type}) {	3140	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3141	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
2647	} else {	3147	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3149	}
2650		3150
2651	cf::override;	3151	cf::override;
…		…
2673		3173
2674	$coro	3174	$coro
2675	}	3175	}
2676		3176
2677	cf::client->attach (	3177	cf::client->attach (
2678	on_destroy => sub {	3178	on_client_destroy => sub {
2679	my ($ns) = @_;	3179	my ($ns) = @_;
2680		3180
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3182	},
2683	);	3183	);
…		…
2698	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2700		3200
2701	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2702		3202
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
2704		3208
2705	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2706		3210
2707	=pod	3211	=pod
2708		3212
2709	The following functions and methods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2710		3214
2711	cf::object	3215	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3216	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3217	insert remove name archname title slaying race decrease split
		3218	value
2714		3219
2715	cf::object::player	3220	cf::object::player
2716	player	3221	player
2717		3222
2718	cf::player	3223	cf::player
…		…
2723		3228
2724	=cut	3229	=cut
2725		3230
2726	for (	3231	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2732	) {	3238	) {
2733	no strict 'refs';	3239	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2753		3259
2754	my $qcode = $code;	3260	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2757		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2758	local $_;	3267	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3268
2761	my $eval =	3269	my $eval =
2762	"do {\n"	3270	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3273	. $code
2766	. "\n}"	3274	. "\n}"
2767	;	3275	;
2768		3276
		3277	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2772		3286
2773	if ($@) {	3287	if ($@) {
2774	warn "$@";	3288	warn "$@";
2775	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2776	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2795	=cut	3309	=cut
2796		3310
2797	sub register_script_function {	3311	sub register_script_function {
2798	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2799		3313
2800	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2802	}	3316	}
2803		3317
2804	=back	3318	=back
2805		3319
2806	=cut	3320	=cut
…		…
2808	#############################################################################	3322	#############################################################################
2809	# the server's init and main functions	3323	# the server's init and main functions
2810		3324
2811	sub load_facedata($) {	3325	sub load_facedata($) {
2812	my ($path) = @_;	3326	my ($path) = @_;
		3327
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2813		3333
2814	warn "loading facedata from $path\n";	3334	warn "loading facedata from $path\n";
2815		3335
2816	my $facedata;	3336	my $facedata;
2817	0 < aio_load $path, $facedata	3337	0 < aio_load $path, $facedata
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3340	$facedata = Coro::Storable::thaw $facedata;
2821		3341
2822	$facedata->{version} == 2	3342	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3344
		3345	# patch in the exptable
		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3347	$facedata->{resource}{"res/exp_table"} = {
		3348	type => FT_RSRC,
		3349	data => $exp_table,
		3350	hash => (Digest::MD5::md5 $exp_table),
		3351	};
		3352	cf::cede_to_tick;
		3353
2825	{	3354	{
2826	my $faces = $facedata->{faceinfo};	3355	my $faces = $facedata->{faceinfo};
2827		3356
2828	while (my ($face, $info) = each %$faces) {	3357	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3359
2830	cf::face::set_visibility $idx, $info->{visibility};	3360	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3361	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3364
2835	cf::cede_to_tick;	3365	cf::cede_to_tick;
2836	}	3366	}
2837		3367
2838	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3369	next unless $info->{smooth};
		3370
2840	my $idx = cf::face::find $face	3371	my $idx = cf::face::find $face
2841	or next;	3372	or next;
		3373
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3374	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3375	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3377	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2860		3392
2861	cf::anim::invalidate_all; # d'oh	3393	cf::anim::invalidate_all; # d'oh
2862	}	3394	}
2863		3395
2864	{	3396	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3397	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3398
2872	while (my ($name, $info) = each %$res) {	3399	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3400	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3402
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
2887	} else {	3405	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3406	$RESOURCE{$name} = $info;
2889	}	3407	}
2890		3408
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3409	cf::cede_to_tick;
2894	}	3410	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	warn "$sound->[0]: $face\n";#d#
2905
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}
2909
2910	#TODO
2911	}
2912	}	3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2913		3414
2914	1	3415	1
2915	}	3416	}
		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
2916		3437
2917	register_exticmd fx_want => sub {	3438	register_exticmd fx_want => sub {
2918	my ($ns, $want) = @_;	3439	my ($ns, $want) = @_;
2919		3440
2920	while (my ($k, $v) = each %$want) {	3441	while (my ($k, $v) = each %$want) {
2921	$ns->fx_want ($k, $v);	3442	$ns->fx_want ($k, $v);
2922	}	3443	}
2923	};	3444	};
2924		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
2925	sub reload_regions {	3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
2926	load_resource_file "$MAPDIR/regions"	3461	load_resource_file "$MAPDIR/regions"
2927	or die "unable to load regions file\n";	3462	or die "unable to load regions file\n";
2928		3463
2929	for (cf::region::list) {	3464	for (cf::region::list) {
2930	$_->{match} = qr/$_->{match}/	3465	$_->{match} = qr/$_->{match}/
…		…
2938	}	3473	}
2939		3474
2940	sub reload_archetypes {	3475	sub reload_archetypes {
2941	load_resource_file "$DATADIR/archetypes"	3476	load_resource_file "$DATADIR/archetypes"
2942	or die "unable to load archetypes\n";	3477	or die "unable to load archetypes\n";
2943	#d# NEED to laod twice to resolve forward references
2944	# this really needs to be done in an extra post-pass
2945	# (which needs to be synchronous, so solve it differently)
2946	load_resource_file "$DATADIR/archetypes"
2947	or die "unable to load archetypes\n";
2948	}	3478	}
2949		3479
2950	sub reload_treasures {	3480	sub reload_treasures {
2951	load_resource_file "$DATADIR/treasures"	3481	load_resource_file "$DATADIR/treasures"
2952	or die "unable to load treasurelists\n";	3482	or die "unable to load treasurelists\n";
2953	}	3483	}
2954		3484
2955	sub reload_resources {	3485	sub reload_resources {
2956	warn "reloading resource files...\n";	3486	warn "reloading resource files...\n";
2957		3487
		3488	reload_facedata;
		3489	reload_archetypes;
2958	reload_regions;	3490	reload_regions;
2959	reload_facedata;
2960	#reload_archetypes;#d#
2961	reload_archetypes;
2962	reload_treasures;	3491	reload_treasures;
2963		3492
2964	warn "finished reloading resource files\n";	3493	warn "finished reloading resource files\n";
2965	}	3494	}
2966		3495
2967	sub init {	3496	sub reload_config {
2968	reload_resources;	3497	warn "reloading config file...\n";
2969	}
2970		3498
2971	sub cfg_load {
2972	open my $fh, "<:utf8", "$CONFDIR/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2973	or return;	3500	or return;
2974		3501
2975	local $/;	3502	local $/;
2976	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2977		3504
2978	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2979		3506
2980	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2981	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2985	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2986	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2987	};	3514	};
2988	warn $@ if $@;	3515	warn $@ if $@;
2989	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2990	}	3547	}
2991		3548
2992	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2993	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2994	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2996	(async {	3562	(async {
2997	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
2998	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
2999	};	3566	};
3000		3567
3001	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
		3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
3002	db_init;	3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
3003	load_extensions;	3591	load_extensions;
3004		3592
3005	$TICK_WATCHER->start;	3593	utime time, time, $RUNTIMEFILE;
3006	Event::loop;	3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
3007	}	3606	}
3008		3607
3009	#############################################################################	3608	#############################################################################
3010	# initialisation and cleanup	3609	# initialisation and cleanup
3011		3610
3012	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
3013	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
3014	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
3015	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3016	reentrant => 0,
3017	data => WF_AUTOCANCEL,
3018	signal => $signal,
3019	prio => 0,
3020	cb => sub {
3021	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
3022	},
3023	);	3617	};
3024	}	3618	}
3025	}	3619	}
3026		3620
3027	sub write_runtime {	3621	sub write_runtime_sync {
3028	my $runtime = "$LOCALDIR/runtime";	3622	my $t0 = AE::time;
3029		3623
3030	# first touch the runtime file to show we are still running:	3624	# first touch the runtime file to show we are still running:
3031	# the fsync below can take a very very long time.	3625	# the fsync below can take a very very long time.
3032		3626
3033	IO::AIO::aio_utime $runtime, undef, undef;	3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3034		3628
3035	my $guard = cf::lock_acquire "write_runtime";	3629	my $guard = cf::lock_acquire "write_runtime";
3036		3630
3037	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3038	or return;	3632	or return;
3039		3633
3040	my $value = $cf::RUNTIME + 90 + 10;	3634	my $value = $cf::RUNTIME + 90 + 10;
3041	# 10 is the runtime save interval, for a monotonic clock	3635	# 10 is the runtime save interval, for a monotonic clock
3042	# 60 allows for the watchdog to kill the server.	3636	# 60 allows for the watchdog to kill the server.
…		…
3052	aio_utime $fh, undef, undef;	3646	aio_utime $fh, undef, undef;
3053		3647
3054	close $fh	3648	close $fh
3055	or return;	3649	or return;
3056		3650
3057	aio_rename "$runtime~", $runtime	3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3058	and return;	3652	and return;
3059		3653
3060	warn "runtime file written.\n";	3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3061		3655
3062	1	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
3063	}	3707	}
3064		3708
3065	sub emergency_save() {	3709	sub emergency_save() {
3066	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
3067		3711
3068	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
3069		3713
3070	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
3071	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
3072	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
3073	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
3074	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
3075	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
3076	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
3077	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3078	$pl->save;	3728	$pl->save;
3079	}	3729	}
3080	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
3081		3731
3082	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
3083	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
3084	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
3085	$map->valid or next;	3735	$map->valid or next;
3086	$map->save;	3736	$map->save;
3087	}	3737	}
3088	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
3089		3739
3090	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
3091	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
3092	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
3093	};	3747	};
3094		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
3095	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
3096	}	3755	}
3097		3756
3098	sub post_cleanup {	3757	sub post_cleanup {
3099	my ($make_core) = @_;	3758	my ($make_core) = @_;
3100		3759
3101	warn Carp::longmess "post_cleanup backtrace"	3760	warn Carp::longmess "post_cleanup backtrace"
3102	if $make_core;	3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
3103	}	3790	}
3104		3791
3105	sub do_reload_perl() {	3792	sub do_reload_perl() {
3106	# can/must only be called in main	3793	# can/must only be called in main
3107	if ($Coro::current != $Coro::main) {	3794	if ($Coro::current != $Coro::main) {
3108	warn "can only reload from main coroutine";	3795	warn "can only reload from main coroutine";
3109	return;	3796	return;
3110	}	3797	}
3111		3798
		3799	return if $RELOAD++;
		3800
		3801	my $t1 = AE::time;
		3802
		3803	while ($RELOAD) {
3112	warn "reloading...";	3804	warn "reloading...";
3113		3805
3114	warn "entering sync_job";	3806	warn "entering sync_job";
3115		3807
3116	cf::sync_job {	3808	cf::sync_job {
3117	cf::write_runtime; # external watchdog should not bark	3809	cf::write_runtime_sync; # external watchdog should not bark
3118	cf::emergency_save;	3810	cf::emergency_save;
3119	cf::write_runtime; # external watchdog should not bark	3811	cf::write_runtime_sync; # external watchdog should not bark
3120		3812
3121	warn "syncing database to disk";	3813	warn "syncing database to disk";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3814	BDB::db_env_txn_checkpoint $DB_ENV;
3123		3815
3124	# if anything goes wrong in here, we should simply crash as we already saved	3816	# if anything goes wrong in here, we should simply crash as we already saved
3125		3817
3126	warn "cancelling all WF_AUTOCANCEL watchers";
3127	for (Event::all_watchers) {
3128	$_->cancel if $_->data & WF_AUTOCANCEL;
3129	}
3130
3131	warn "flushing outstanding aio requests";	3818	warn "flushing outstanding aio requests";
3132	for (;;) {
3133	BDB::flush;
3134	IO::AIO::flush;
3135	Coro::cede;
3136	last unless IO::AIO::nreqs || BDB::nreqs;	3819	while (IO::AIO::nreqs || BDB::nreqs) {
3137	warn "iterate...";	3820	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3138	}
3139
3140	++$RELOAD;
3141
3142	warn "cancelling all extension coros";
3143	$_->cancel for values %EXT_CORO;
3144	%EXT_CORO = ();
3145
3146	warn "removing commands";
3147	%COMMAND = ();
3148
3149	warn "removing ext/exti commands";
3150	%EXTCMD = ();
3151	%EXTICMD = ();
3152
3153	warn "unloading/nuking all extensions";
3154	for my $pkg (@EXTS) {
3155	warn "... unloading $pkg";
3156
3157	if (my $cb = $pkg->can ("unload")) {
3158	eval {
3159	$cb->($pkg);
3160	1
3161	} or warn "$pkg unloaded, but with errors: $@";
3162	}	3821	}
3163		3822
3164	warn "... nuking $pkg";	3823	warn "cancelling all extension coros";
3165	Symbol::delete_package $pkg;	3824	$_->cancel for values %EXT_CORO;
3166	}	3825	%EXT_CORO = ();
3167		3826
3168	warn "unloading all perl modules loaded from $LIBDIR";	3827	warn "removing commands";
3169	while (my ($k, $v) = each %INC) {	3828	%COMMAND = ();
3170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3171		3829
		3830	warn "removing ext/exti commands";
		3831	%EXTCMD = ();
		3832	%EXTICMD = ();
		3833
		3834	warn "unloading/nuking all extensions";
		3835	for my $pkg (@EXTS) {
3172	warn "... unloading $k";	3836	warn "... unloading $pkg";
3173	delete $INC{$k};
3174		3837
3175	$k =~ s/\.pm$//;
3176	$k =~ s/\//::/g;
3177
3178	if (my $cb = $k->can ("unload_module")) {	3838	if (my $cb = $pkg->can ("unload")) {
		3839	eval {
3179	$cb->();	3840	$cb->($pkg);
		3841	1
		3842	} or warn "$pkg unloaded, but with errors: $@";
		3843	}
		3844
		3845	warn "... clearing $pkg";
		3846	clear_package $pkg;
3180	}	3847	}
3181		3848
3182	Symbol::delete_package $k;	3849	warn "unloading all perl modules loaded from $LIBDIR";
		3850	while (my ($k, $v) = each %INC) {
		3851	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3852
		3853	warn "... unloading $k";
		3854	delete $INC{$k};
		3855
		3856	$k =~ s/\.pm$//;
		3857	$k =~ s/\//::/g;
		3858
		3859	if (my $cb = $k->can ("unload_module")) {
		3860	$cb->();
		3861	}
		3862
		3863	clear_package $k;
3183	}	3864	}
3184		3865
3185	warn "getting rid of safe::, as good as possible";	3866	warn "getting rid of safe::, as good as possible";
3186	Symbol::delete_package "safe::$_"	3867	clear_package "safe::$_"
3187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3868	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3188		3869
3189	warn "unloading cf.pm \"a bit\"";	3870	warn "unloading cf.pm \"a bit\"";
3190	delete $INC{"cf.pm"};	3871	delete $INC{"cf.pm"};
3191	delete $INC{"cf/pod.pm"};	3872	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3192		3873
3193	# don't, removes xs symbols, too,	3874	# don't, removes xs symbols, too,
3194	# and global variables created in xs	3875	# and global variables created in xs
3195	#Symbol::delete_package __PACKAGE__;	3876	#clear_package __PACKAGE__;
3196		3877
3197	warn "unload completed, starting to reload now";	3878	warn "unload completed, starting to reload now";
3198		3879
3199	warn "reloading cf.pm";	3880	warn "reloading cf.pm";
3200	require cf;	3881	require cf;
3201	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3882	cf::_connect_to_perl_1;
3202		3883
3203	warn "loading config and database again";	3884	warn "loading config and database again";
3204	cf::cfg_load;	3885	cf::reload_config;
3205		3886
3206	warn "loading extensions";	3887	warn "loading extensions";
3207	cf::load_extensions;	3888	cf::load_extensions;
3208		3889
		3890	if ($REATTACH_ON_RELOAD) {
3209	warn "reattaching attachments to objects/players";	3891	warn "reattaching attachments to objects/players";
3210	_global_reattach; # objects, sockets	3892	_global_reattach; # objects, sockets
3211	warn "reattaching attachments to maps";	3893	warn "reattaching attachments to maps";
3212	reattach $_ for values %MAP;	3894	reattach $_ for values %MAP;
3213	warn "reattaching attachments to players";	3895	warn "reattaching attachments to players";
3214	reattach $_ for values %PLAYER;	3896	reattach $_ for values %PLAYER;
		3897	}
3215		3898
		3899	warn "running post_init jobs";
		3900	(pop @POST_INIT)->(1) while @POST_INIT;
		3901
3216	warn "leaving sync_job";	3902	warn "leaving sync_job";
3217		3903
3218	1	3904	1
3219	} or do {	3905	} or do {
3220	warn $@;	3906	warn $@;
3221	warn "error while reloading, exiting.";	3907	cf::cleanup "error while reloading, exiting.";
3222	exit 1;
3223	};	3908	};
3224		3909
3225	warn "reloaded";	3910	warn "reloaded";
		3911	--$RELOAD;
		3912	}
		3913
		3914	$t1 = AE::time - $t1;
		3915	warn "reload completed in ${t1}s\n";
3226	};	3916	};
3227		3917
3228	our $RELOAD_WATCHER; # used only during reload	3918	our $RELOAD_WATCHER; # used only during reload
3229		3919
3230	sub reload_perl() {	3920	sub reload_perl() {
3231	# doing reload synchronously and two reloads happen back-to-back,	3921	# doing reload synchronously and two reloads happen back-to-back,
3232	# coro crashes during coro_state_free->destroy here.	3922	# coro crashes during coro_state_free->destroy here.
3233		3923
3234	$RELOAD_WATCHER ||= Event->timer (	3924	$RELOAD_WATCHER ||= cf::async {
3235	reentrant => 0,	3925	Coro::AIO::aio_wait cache_extensions;
3236	after => 0,	3926
3237	data => WF_AUTOCANCEL,	3927	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3238	cb => sub {
3239	do_reload_perl;	3928	do_reload_perl;
3240	undef $RELOAD_WATCHER;	3929	undef $RELOAD_WATCHER;
3241	},	3930	};
3242	);	3931	};
3243	}	3932	}
3244		3933
3245	register_command "reload" => sub {	3934	register_command "reload" => sub {
3246	my ($who, $arg) = @_;	3935	my ($who, $arg) = @_;
3247		3936
3248	if ($who->flag (FLAG_WIZ)) {	3937	if ($who->flag (FLAG_WIZ)) {
3249	$who->message ("reloading server.");	3938	$who->message ("reloading server.");
		3939	async {
		3940	$Coro::current->{desc} = "perl_reload";
3250	async { reload_perl };	3941	reload_perl;
		3942	};
3251	}	3943	}
3252	};	3944	};
3253		3945
3254	unshift @INC, $LIBDIR;	3946	unshift @INC, $LIBDIR;
3255		3947
…		…
3257		3949
3258	our @WAIT_FOR_TICK;	3950	our @WAIT_FOR_TICK;
3259	our @WAIT_FOR_TICK_BEGIN;	3951	our @WAIT_FOR_TICK_BEGIN;
3260		3952
3261	sub wait_for_tick {	3953	sub wait_for_tick {
3262	return unless $TICK_WATCHER->is_active;
3263	return if $Coro::current == $Coro::main;	3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3264		3955
3265	my $signal = new Coro::Signal;	3956	my $signal = new Coro::Signal;
3266	push @WAIT_FOR_TICK, $signal;	3957	push @WAIT_FOR_TICK, $signal;
3267	$signal->wait;	3958	$signal->wait;
3268	}	3959	}
3269		3960
3270	sub wait_for_tick_begin {	3961	sub wait_for_tick_begin {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	3962	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273		3963
3274	my $signal = new Coro::Signal;	3964	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK_BEGIN, $signal;	3965	push @WAIT_FOR_TICK_BEGIN, $signal;
3276	$signal->wait;	3966	$signal->wait;
3277	}	3967	}
3278		3968
3279	my $min = 1e6;#d#	3969	sub tick {
3280	my $avg = 10;
3281	$TICK_WATCHER = Event->timer (
3282	reentrant => 0,
3283	parked => 1,
3284	prio => 0,
3285	at => $NEXT_TICK || $TICK,
3286	data => WF_AUTOCANCEL,
3287	cb => sub {
3288	if ($Coro::current != $Coro::main) {	3970	if ($Coro::current != $Coro::main) {
3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3971	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3290	unless ++$bug_warning > 10;	3972	unless ++$bug_warning > 10;
3291	return;	3973	return;
3292	}	3974	}
3293		3975
3294	$NOW = $tick_start = Event::time;
3295
3296	cf::server_tick; # one server iteration	3976	cf::server_tick; # one server iteration
3297		3977
3298	0 && sync_job {#d#	3978	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3299	for(1..10) {
3300	my $t = Event::time;
3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3302	or die;
3303		3979
3304	$map->width (50);	3980	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3305	$map->height (50);	3981	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3306	$map->alloc;	3982	Coro::async_pool {
3307	$map->_load_objects ("/tmp/x.map", 1);	3983	$Coro::current->{desc} = "runtime saver";
3308	my $t = Event::time - $t;	3984	write_runtime_sync
3309		3985	or warn "ERROR: unable to write runtime file: $!";
3310	#next unless $t < 0.0013;#d#
3311	if ($t < $min) {
3312	$min = $t;
3313	}
3314	$avg = $avg * 0.99 + $t * 0.01;
3315	}
3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317	exit 0;
3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319	};	3986	};
		3987	}
3320		3988
3321	$RUNTIME += $TICK;
3322	$NEXT_TICK += $TICK;
3323
3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
3326	Coro::async_pool {
3327	write_runtime
3328	or warn "ERROR: unable to write runtime file: $!";
3329	};
3330	}
3331
3332	# my $AFTER = Event::time;
3333	# warn $AFTER - $NOW;#d#
3334
3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3989	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336	$sig->send;	3990	$sig->send;
3337	}	3991	}
3338	while (my $sig = shift @WAIT_FOR_TICK) {	3992	while (my $sig = shift @WAIT_FOR_TICK) {
3339	$sig->send;	3993	$sig->send;
3340	}	3994	}
3341		3995
3342	$NOW = Event::time;	3996	$LOAD = ($NOW - $TICK_START) / $TICK;
3343
3344	# if we are delayed by four ticks or more, skip them all
3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3346
3347	$TICK_WATCHER->at ($NEXT_TICK);
3348	$TICK_WATCHER->start;
3349
3350	$LOAD = ($NOW - $tick_start) / $TICK;
3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3997	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352		3998
3353	_post_tick;	3999	if (0) {
3354		4000	if ($NEXT_TICK) {
3355		4001	my $jitter = $TICK_START - $NEXT_TICK;
		4002	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4003	warn "jitter $JITTER\n";#d#
		4004	}
3356	},	4005	}
3357	);	4006	}
3358		4007
3359	{	4008	{
3360	BDB::max_poll_time $TICK * 0.1;	4009	# configure BDB
3361	$BDB_POLL_WATCHER = Event->io (	4010
3362	reentrant => 0,
3363	fd => BDB::poll_fileno,
3364	poll => 'r',
3365	prio => 0,
3366	data => WF_AUTOCANCEL,
3367	cb => \&BDB::poll_cb,
3368	);
3369	BDB::min_parallel 8;	4011	BDB::min_parallel 16;
3370		4012	BDB::max_poll_reqs $TICK * 0.1;
3371	BDB::set_sync_prepare {	4013	$AnyEvent::BDB::WATCHER->priority (1);
3372	my $status;
3373	my $current = $Coro::current;
3374	(
3375	sub {
3376	$status = $!;
3377	$current->ready; undef $current;
3378	},
3379	sub {
3380	Coro::schedule while defined $current;
3381	$! = $status;
3382	},
3383	)
3384	};
3385		4014
3386	unless ($DB_ENV) {	4015	unless ($DB_ENV) {
3387	$DB_ENV = BDB::db_env_create;	4016	$DB_ENV = BDB::db_env_create;
		4017	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4018	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4019	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4020	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4021	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3388		4022
3389	cf::sync_job {	4023	cf::sync_job {
3390	eval {	4024	eval {
3391	BDB::db_env_open	4025	BDB::db_env_open
3392	$DB_ENV,	4026	$DB_ENV,
…		…
3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3396	0666;	4030	0666;
3397		4031
3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3399
3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3401	$DB_ENV->set_lk_detect;
3402	};	4033	};
3403		4034
3404	cf::cleanup "db_env_open(db): $@" if $@;	4035	cf::cleanup "db_env_open(db): $@" if $@;
3405	};	4036	};
3406	}	4037	}
		4038
		4039	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4040	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4041	};
		4042	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4043	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4044	};
		4045	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4046	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4047	};
3407	}	4048	}
3408		4049
3409	{	4050	{
		4051	# configure IO::AIO
		4052
3410	IO::AIO::min_parallel 8;	4053	IO::AIO::min_parallel 8;
3411
3412	undef $Coro::AIO::WATCHER;
3413	IO::AIO::max_poll_time $TICK * 0.1;	4054	IO::AIO::max_poll_time $TICK * 0.1;
3414	$AIO_POLL_WATCHER = Event->io (	4055	undef $AnyEvent::AIO::WATCHER;
3415	reentrant => 0,
3416	data => WF_AUTOCANCEL,
3417	fd => IO::AIO::poll_fileno,
3418	poll => 'r',
3419	prio => 6,
3420	cb => \&IO::AIO::poll_cb,
3421	);
3422	}	4056	}
3423		4057
3424	my $_log_backtrace;	4058	my $_log_backtrace;
3425		4059
3426	sub _log_backtrace {	4060	sub _log_backtrace {
…		…
3429	$msg =~ s/\n//;	4063	$msg =~ s/\n//;
3430		4064
3431	# limit the # of concurrent backtraces	4065	# limit the # of concurrent backtraces
3432	if ($_log_backtrace < 2) {	4066	if ($_log_backtrace < 2) {
3433	++$_log_backtrace;	4067	++$_log_backtrace;
		4068	my $perl_bt = Carp::longmess $msg;
3434	async {	4069	async {
		4070	$Coro::current->{desc} = "abt $msg";
		4071
3435	my @bt = fork_call {	4072	my @bt = fork_call {
3436	@addr = map { sprintf "%x", $_ } @addr;	4073	@addr = map { sprintf "%x", $_ } @addr;
3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4074	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4075	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439	or die "addr2line: $!";	4076	or die "addr2line: $!";
…		…
3447	}	4084	}
3448		4085
3449	@funcs	4086	@funcs
3450	};	4087	};
3451		4088
3452	LOG llevInfo, "[ABT] $msg\n";	4089	LOG llevInfo, "[ABT] $perl_bt\n";
		4090	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3453	LOG llevInfo, "[ABT] $_\n" for @bt;	4091	LOG llevInfo, "[ABT] $_\n" for @bt;
3454	--$_log_backtrace;	4092	--$_log_backtrace;
3455	};	4093	};
3456	} else {	4094	} else {
3457	LOG llevInfo, "[ABT] $msg\n";	4095	LOG llevInfo, "[ABT] $msg\n";
3458	LOG llevInfo, "[ABT] [suppressed]\n";	4096	LOG llevInfo, "[ABT] [suppressed]\n";
3459	}	4097	}
3460	}	4098	}
3461		4099
3462	# load additional modules	4100	# load additional modules
3463	use cf::pod;	4101	require "cf/$_.pm" for @EXTRA_MODULES;
		4102	cf::_connect_to_perl_2;
3464		4103
3465	END { cf::emergency_save }	4104	END { cf::emergency_save }
3466		4105
3467	1	4106	1
3468		4107

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