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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.331 by root, Mon Aug 13 13:10:01 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 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	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		184
119	#############################################################################	185	#############################################################################
120		186
121	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
122		188
…		…
158		224
159	The raw value load value from the last tick.	225	The raw value load value from the last tick.
160		226
161	=item %cf::CFG	227	=item %cf::CFG
162		228
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	230	from wherever your confdir points to.
165		231
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		233
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	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	235	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.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		237
172	=item @cf::INVOKE_RESULTS	238	=item @cf::INVOKE_RESULTS
173		239
174	This array contains the results of the last C<invoke ()> call. When	240	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	241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	242	that call.
177		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
178	=back	250	=back
179		251
180	=cut	252	=cut
181		253
182	BEGIN {	254	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	255	my $msg = join "", @_;
185		256
186	$msg .= "\n"	257	$msg .= "\n"
187	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
188		259
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		261
191	utf8::encode $msg;
192	LOG llevError, $msg;	262	LOG llevError, $msg;
193	};	263	};
194	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
195		278
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	289	for my $pkg (qw(
207	cf::global cf::attachable	290	cf::global cf::attachable
208	cf::object cf::object::player	291	cf::object cf::object::player
209	cf::client cf::player	292	cf::client cf::player
210	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
211	cf::map cf::party cf::region	295	cf::party cf::region
212	)) {	296	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	298	}
216		299
217	$Event::DIED = sub {	300	$EV::DIED = sub {
218	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
219	};	302	};
220		303
221	#############################################################################	304	#############################################################################
222		305
223	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	329	$d
247	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
248	}	331	}
249		332
250	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
251		334
252	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
253		336
254	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
255		338
256	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
257		340
258	=cut	341	=cut
259		342
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		344
262	sub to_json ($) { $json_coder->encode ($_[0]) }	345	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
264		361
265	=item cf::lock_wait $string	362	=item cf::lock_wait $string
266		363
267	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
268		365
269	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
270		367
271	Wait until the given lock is available and then acquires it and returns	368	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,	369	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	370	for example when the coroutine gets canceled), the lock is automatically
274	returned.	371	returned.
275		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
276	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
278		378
279	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
280		380
281	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
282		382
283	=cut	383	=cut
284		384
285	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
286		386
287	sub lock_wait($) {	387	sub lock_wait($) {
288	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	389	}
296		390
297	sub lock_acquire($) {	391	sub lock_acquire($) {
298	my ($key) = @_;	392	$LOCKS->guard ($_[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	}	393	}
310		394
311	sub lock_active($) {	395	sub lock_active($) {
312	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	397	}
316		398
317	sub freeze_mainloop {	399	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
319		401
320	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	403	}
322	};	404
323	$TICK_WATCHER->stop;	405	=item cf::periodic $interval, $cb
324	$guard	406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
325	}	418	}
326		419
327	=item cf::get_slot $time[, $priority[, $name]]	420	=item cf::get_slot $time[, $priority[, $name]]
328		421
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		430
338	=cut	431	=cut
339		432
340	our @SLOT_QUEUE;	433	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
342		436
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
345	my $signal = new Coro::Signal;	441	my $signal = new Coro::Signal;
		442	my $busy;
346		443
347	while () {	444	while () {
348	next_job:	445	next_job:
		446
349	my $avail = cf::till_tick;	447	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	448
351	for (0 .. $#SLOT_QUEUE) {	449	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	452	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	453	$job->[2]->send;
355	Coro::cede;	454	Coro::cede;
356	goto next_job;	455	goto next_job;
357	}	456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	458	}
359	}	459	}
360		460
361	if (@SLOT_QUEUE) {	461	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	463	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	464	$signal->wait;
365	} else {	465	} else {
		466	$busy = 0;
366	Coro::schedule;	467	Coro::schedule;
367	}	468	}
368	}	469	}
369	};	470	};
370		471
371	sub get_slot($;$$) {	472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
372	my ($time, $pri, $name) = @_;	475	my ($time, $pri, $name) = @_;
373		476
374	$time = $TICK * .6 if $time > $TICK * .6;	477	$time = clamp $time, 0.01, $TICK * .6;
		478
375	my $sig = new Coro::Signal;	479	my $sig = new Coro::Signal;
376		480
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	483	$SLOT_QUEUE->ready;
…		…
390		494
391	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
392		496
393	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
394		498
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	499	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	500	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	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	502	acceptable.
399		503
400	If it must be done, put the blocking parts into C<sync_job>. This will run	504	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	505	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		510
407	sub sync_job(&) {	511	sub sync_job(&) {
408	my ($job) = @_;	512	my ($job) = @_;
409		513
410	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	515	my $time = AE::time;
412		516
413	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
415		519
416	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	521
418	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
419		523
420	my $busy = 1;	524	my $busy = 1;
421	my @res;	525	my @res;
422		526
423	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	529	@res = eval { $job->() };
425	warn $@ if $@;	530	warn $@ if $@;
426	undef $busy;	531	undef $busy;
427	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
428		533
429	while ($busy) {	534	while ($busy) {
430	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
431	}	539	}
		540	}
432		541
433	$time = Event::time - $time;	542	my $time = AE::time - $time;
434		543
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	544	$TICK_START += $time; # do not account sync jobs to server load
439		545
440	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
441	} else {	547	} else {
442	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
443		549
…		…
468	=item fork_call { }, $args	574	=item fork_call { }, $args
469		575
470	Executes the given code block with the given arguments in a seperate	576	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	577	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	578	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	579	never block itself or use any form of event handling.
474		580
475	=cut	581	=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		582
486	sub fork_call(&@) {	583	sub fork_call(&@) {
487	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
488		585
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	586	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	587	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	588	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		589
494	if (my $pid = fork) {	590	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;	591	reset_signals;
508	local $SIG{__WARN__};	592	&$cb
509	local $SIG{__DIE__};	593	}, @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		594
516	eval {	595	wantarray ? @res : $res[-1]
517	close $fh1;	596	}
518		597
519	my @res = eval { $cb->(@args) };	598	sub objinfo {
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
528	}	634	}
529		635
530	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
531		637
532	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	640	=item cf::db_put $family => $key => $value
535		641
536	Stores the given C<$value> in the family. It can currently store binary	642	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).	643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
539	=cut	650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
540		668
541	our $DB;	669	our $DB;
542		670
543	sub db_init {	671	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	672	cf::sync_job {
548	eval {	673	$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	}	674	};
558	}	675	}
559		676
560	sub db_get($$) {	677	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	678	my $key = "$_[0]/$_[1]";
562		679
…		…
612	if (1) {	729	if (1) {
613	$md5 =	730	$md5 =
614	join "\x00",	731	join "\x00",
615	$processversion,	732	$processversion,
616	map {	733	map {
617	Coro::cede;	734	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	735	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	736	} 0.. $#$src;
620		737
621		738
622	my $dbmd5 = db_get cache => "$id/md5";	739	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		777
661	#############################################################################	778	#############################################################################
662		779
663	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
664		781
665	Many objects in crossfire are so-called attachable objects. That means you can	782	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")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
668		785
669	In the following description, CLASS can be any of C<global>, C<object>	786	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	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	788	Deliantra).
672		789
673	=over 4	790	=over 4
674		791
675	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
676		793
…		…
720	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
721		838
722	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
724		841
725	Some classes such as crossfire maps and objects can specify attachments	842	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.	843	that are attached at load/instantiate time, thus the need for a name.
727		844
728	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
729		846
730	=over 4	847	=over 4
…		…
958	}	1075	}
959		1076
960	0	1077	0
961	}	1078	}
962		1079
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1081
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1083
967	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
968		1085
…		…
974		1091
975	=cut	1092	=cut
976		1093
977	#############################################################################	1094	#############################################################################
978	# object support	1095	# object support
979	#
980		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
981	sub _can_merge {	1130	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1131	my ($ob1, $ob2) = @_;
983		1132
984	local $Storable::canonical = 1;	1133	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1134
988	$fob1 eq $fob2	1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
989	}	1137	}
990		1138
991	sub reattach {	1139	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1141	my ($obj) = @_;
994		1142
		1143	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1145
997	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
998		1147
999	@$registry = ();	1148	@$registry = ();
1000		1149
…		…
1015	cf::attachable->attach (	1164	cf::attachable->attach (
1016	prio => -1000000,	1165	prio => -1000000,
1017	on_instantiate => sub {	1166	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
1019		1168
1020	$data = from_json $data;	1169	$data = decode_json $data;
1021		1170
1022	for (@$data) {	1171	for (@$data) {
1023	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
1024		1173
1025	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1190	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
1043		1192
1044	sync_job {	1193	sync_job {
1045	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
1048		1198
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
1053	close $fh;	1206	aio_close $fh;
1054		1207
1055	if (@$objs) {	1208	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
1061	close $fh;	1217	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1219	}
1064	} else {	1220	} else {
1065	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
1066	}	1222	}
1067		1223
1068	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1228	} else {
1070	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
1071	}	1230	}
1072	} else {	1231	} else {
1073	aio_unlink $filename;	1232	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
1075	}	1234	}
1076	}	1235	};
1077	}	1236	}
1078		1237
1079	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
1081		1240
…		…
1093	or return;	1252	or return;
1094		1253
1095	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1256	or return;
		1257
1098	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
1099	}	1260	}
1100		1261
		1262	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
1103	return ($data, $av);	1266	($data, $av)
1104	}	1267	}
1105		1268
1106	=head2 COMMAND CALLBACKS	1269	=head2 COMMAND CALLBACKS
1107		1270
1108	=over 4	1271	=over 4
…		…
1162	my ($name, $cb) = @_;	1325	my ($name, $cb) = @_;
1163		1326
1164	$EXTICMD{$name} = $cb;	1327	$EXTICMD{$name} = $cb;
1165	}	1328	}
1166		1329
		1330	use File::Glob ();
		1331
1167	cf::player->attach (	1332	cf::player->attach (
1168	on_command => sub {	1333	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1170		1335
1171	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1172	or return;	1337	or return;
1173		1338
…		…
1186	my ($type, $reply, @payload) =	1351	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1352	"ARRAY" eq ref $msg
1188	? @$msg	1353	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1355
		1356	my @reply;
		1357
1191	if (my $cb = $EXTCMD{$type}) {	1358	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1359	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1197	} else {	1365	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1367	}
1200		1368
1201	cf::override;	1369	cf::override;
1202	},	1370	},
1203	);	1371	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
1204		1385
1205	sub load_extensions {	1386	sub load_extensions {
1206	cf::sync_job {	1387	cf::sync_job {
1207	my %todo;	1388	my %todo;
1208		1389
…		…
1228		1409
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1412
1232	$ext{source} =	1413	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1235	. $source	1416	. $source
1236	. "\n};\n1";	1417	. "\n};\n1";
1237		1418
1238	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1239	}	1420	}
1240		1421
		1422	my $pass = 0;
1241	my %done;	1423	my %done;
1242	while (%todo) {	1424	while (%todo) {
1243	my $progress;	1425	my $progress;
1244		1426
		1427	++$pass;
		1428
		1429	ext:
1245	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1432	next ext
1248	unless exists $done{$_};	1433	unless exists $done{$_};
1249	}	1434	}
1250		1435
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1437
1253	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1258	warn $msg;	1445
1259	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1447	delete $todo{$k};
1261	}	1448	} else {
1262		1449	$done{$k} = delete $todo{$k};
1263	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1264	}	1455	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1456	}
1270		1457
1271	skip:	1458	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1274	}	1466	}
1275	};	1467	};
1276	}	1468	}
1277		1469
1278	#############################################################################	1470	#############################################################################
1279		1471
1280	=back	1472	=back
1281		1473
1282	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1283		1475
1284	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1285		1477
1286	=cut	1478	=cut
1287		1479
1288	package cf::player;	1480	package cf::player;
1289		1481
1290	use Coro::AIO;	1482	use Coro::AIO;
1291		1483
1292	=head3 cf::player	1484	=head3 cf::player
1293		1485
1294	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1295		1501
1296	=item cf::player::find $login	1502	=item cf::player::find $login
1297		1503
1298	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1299		1505
…		…
1318		1524
1319	sub exists($) {	1525	sub exists($) {
1320	my ($login) = @_;	1526	my ($login) = @_;
1321		1527
1322	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1324	}	1530	}
1325		1531
1326	sub find($) {	1532	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1534	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1545
1340	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1343	}	1555	}
1344	}	1556	}
1345	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1346		1571
1347	sub save($) {	1572	sub save($) {
1348	my ($pl) = @_;	1573	my ($pl) = @_;
1349		1574
1350	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1356		1581
1357	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1359		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1360	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1361	Coro::cede;	1591	cf::cede_to_tick;
1362	}	1592	}
1363		1593
1364	sub new($) {	1594	sub new($) {
1365	my ($login) = @_;	1595	my ($login) = @_;
1366		1596
…		…
1395	my ($pl) = @_;	1625	my ($pl) = @_;
1396		1626
1397	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1398		1628
1399	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1400	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1401		1631
1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1403	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1405	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1406		1638
1407	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1408	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1444	or return [];	1676	or return [];
1445		1677
1446	my @logins;	1678	my @logins;
1447		1679
1448	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1452		1690
1453	utf8::decode $login;	1691	utf8::decode $login;
1454	push @logins, $login;	1692	push @logins, $login;
1455	}	1693	}
1456		1694
…		…
1483	}	1721	}
1484		1722
1485	\@paths	1723	\@paths
1486	}	1724	}
1487		1725
1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489		1727
1490	Expand crossfire pod fragments into protocol xml.	1728	Expand deliantra pod fragments into protocol xml.
1491
1492	=cut
1493
1494	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;
1496
1497	# escape & and <
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500
1501	# this is buggy, it needs to properly take care of nested <'s
1502
1503	1 while
1504	# replace B<>, I<>, U<> etc.
1505	s/B<([^\>]*)>/<b>$1<\/b>/
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
1508	# replace G<male|female> tags
1509	|| s{G<([^>|]*)\|([^>]*)>}{
1510	$self->gender ? $2 : $1
1511	}ge
1512	# replace H<hint text>
1513	|| s{H<([^\>]*)>}
1514	{
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")
1518	[$self->{hintmode}]
1519	}ge;
1520
1521	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;
1523
1524	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines
1529
1530	$_
1531	}
1532
1533	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}
1536	}
1537		1729
1538	=item $player->ext_reply ($msgid, @msg)	1730	=item $player->ext_reply ($msgid, @msg)
1539		1731
1540	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1541		1733
1542	=cut	1734	=cut
1543		1735
1544	sub ext_reply($$@) {	1736	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1737	my ($self, $id, @msg) = @_;
1546		1738
1547	if ($self->ns->extcmd == 2) {	1739	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1740	}
1555		1741
1556	=item $player->ext_msg ($type, @msg)	1742	=item $player->ext_msg ($type, @msg)
1557		1743
1558	Sends an ext event to the client.	1744	Sends an ext event to the client.
…		…
1614	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1616		1802
1617	sub generate_random_map {	1803	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1619	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1809	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1624	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1625	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1626	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1627	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1745		1934
1746	# the temporary/swap location	1935	# the temporary/swap location
1747	sub save_path {	1936	sub save_path {
1748	my ($self) = @_;	1937	my ($self) = @_;
1749		1938
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1940	"$TMPDIR/$path.map"
1752	}	1941	}
1753		1942
1754	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1755	sub uniq_path {	1944	sub uniq_path {
1756	my ($self) = @_;	1945	my ($self) = @_;
1757		1946
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1948	"$UNIQUEDIR/$path"
1760	}
1761
1762	# and all this just because we cannot iterate over
1763	# all maps in C++...
1764	sub change_all_map_light {
1765	my ($change) = @_;
1766
1767	$_->change_map_light ($change)
1768	for grep $_->outdoor, values %cf::MAP;
1769	}	1949	}
1770		1950
1771	sub decay_objects {	1951	sub decay_objects {
1772	my ($self) = @_;	1952	my ($self) = @_;
1773		1953
…		…
1786		1966
1787	sub load_header_from($) {	1967	sub load_header_from($) {
1788	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1789		1969
1790	utf8::encode $path;	1970	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1796		1979
1797	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1798		1981
1799	1	1982	1
1800	}	1983	}
…		…
1854	sub find {	2037	sub find {
1855	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1856		2039
1857	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1858		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1860		2044
1861	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1862	my $guard = cf::lock_acquire "map_find:$path";
1863	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1864	or return;	2047	or return;
1865		2048
1866	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1867		2050
…		…
1869	or return;	2052	or return;
1870		2053
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1874	$map->reset;	2059	$map->reset;
1875	undef $guard;
1876	return find $path;	2060	return find $path;
1877	}	2061	}
1878		2062
1879	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1880	}	2064	}
1881	}	2065	}
1882		2066
1883	sub pre_load { }	2067	sub pre_load { }
1884	sub post_load { }	2068	#sub post_load { } # XS
1885		2069
1886	sub load {	2070	sub load {
1887	my ($self) = @_;	2071	my ($self) = @_;
1888		2072
1889	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1890		2074
1891	my $path = $self->{path};	2075	my $path = $self->{path};
1892		2076
1893	{	2077	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1895		2079
		2080	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2082
1898	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1899		2084
1900	$self->alloc;	2085	$self->alloc;
1901		2086
1902	$self->pre_load;	2087	$self->pre_load;
1903	Coro::cede;	2088	cf::cede_to_tick;
1904		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2092	$self->_load_objects ($f)
1906	or return;	2093	or return;
1907		2094
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1909	if delete $self->{load_original};	2096	if delete $self->{load_original};
1910		2097
1911	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2099	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2102	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1916	}	2106	}
1917	}	2107	}
1918		2108
1919	Coro::cede;	2109	$f->resolve_delayed_derefs;
		2110
		2111	cf::cede_to_tick;
1920	# now do the right thing for maps	2112	# now do the right thing for maps
1921	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2115	unless $self->difficulty;
1924	Coro::cede;	2116	cf::cede_to_tick;
1925		2117
1926	unless ($self->{deny_activate}) {	2118	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2119	$self->decay_objects;
1928	$self->fix_auto_apply;	2120	$self->fix_auto_apply;
1929	$self->update_buttons;	2121	$self->update_buttons;
1930	Coro::cede;	2122	cf::cede_to_tick;
1931	$self->set_darkness_map;
1932	Coro::cede;
1933	$self->activate;	2123	$self->activate;
1934	}	2124	}
1935		2125
1936	$self->{last_save} = $cf::RUNTIME;	2126	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2127	$self->last_access ($cf::RUNTIME);
1938		2128
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2130	}
1941		2131
1942	$self->post_load;	2132	$self->post_load;
1943	}	2133	}
1944		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1945	sub customise_for {	2138	sub customise_for {
1946	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1947		2140
1948	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1949	if $self->per_player;	2142	if $self->per_player;
…		…
1953		2146
1954	$self	2147	$self
1955	}	2148	}
1956		2149
1957	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2151	sub load_neighbours {
1959	my ($map) = @_;	2152	my ($map) = @_;
1960		2153
1961	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1962		2155
1963	for (0 .. 3) {	2156	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1965	or next;	2158	or next;
1966	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1967	or next;	2160	or next;
1968	$neigh->load;	2161	$neigh->load;
1969		2162
		2163	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2166	}
1973		2167
1974	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1976	or next;	2171	or next;
1977	$neigh->load;	2172	$neigh->load;
1978	}	2173	}
1979	}	2174	}
1980		2175
…		…
1985	}	2180	}
1986		2181
1987	sub do_load_sync {	2182	sub do_load_sync {
1988	my ($map) = @_;	2183	my ($map) = @_;
1989		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1990	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1991	}	2189	}
1992		2190
1993	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1995		2193
1996	sub find_async {	2194	sub find_async {
1997	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1998		2196
1999	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
2000		2198
2001	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2201	}
2004		2202
2005	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
2006	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
2007	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2210	if (my $map = find $k) {
2010	$map->load;	2211	$map->load if $v;
2011	}	2212	}
2012		2213
2013	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
2014	}	2215	}
2015	}	2216	}
2016	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
2017	};	2218	};
2018	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
2019		2220
2020	()	2221	()
2021	}	2222	}
2022		2223
		2224	# common code, used by both ->save and ->swapout
2023	sub save {	2225	sub _save {
2024	my ($self) = @_;	2226	my ($self) = @_;
2025
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;
2027		2227
2028	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
2029		2229
2030	return unless $self->dirty;	2230	return unless $self->dirty;
2031		2231
…		…
2037	return if $self->{deny_save};	2237	return if $self->{deny_save};
2038		2238
2039	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
2040		2240
2041	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
2043	};	2244	};
		2245
		2246	cf::get_slot 0.02;
2044		2247
2045	if ($uniq) {	2248	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2251	} else {
2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2050	}	2253	}
2051	}	2254	}
2052		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
2053	sub swap_out {	2264	sub swap_out {
2054	my ($self) = @_;	2265	my ($self) = @_;
2055		2266
2056	# save first because save cedes
2057	$self->save;
2058
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
2061	return if $self->players;	2271	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;
2063	return if $self->{deny_save};
2064		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
2065	$self->clear;	2282	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2283	}
2068		2284
2069	sub reset_at {	2285	sub reset_at {
2070	my ($self) = @_;	2286	my ($self) = @_;
2071		2287
…		…
2089		2305
2090	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
2091		2307
2092	return if $self->players;	2308	return if $self->players;
2093		2309
2094	warn "resetting map ", $self->path;	2310	warn "resetting map ", $self->path, "\n";
2095		2311
2096	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
2097		2313
2098	# need to save uniques path	2314	# need to save uniques path
2099	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
2103	if $uniq;	2319	if $uniq;
2104	}	2320	}
2105		2321
2106	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
2107		2323
		2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2326	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2327
2112	$self->unlink_save;	2328	$self->unlink_save;
2113	$self->destroy;	2329	$self->destroy;
2114	}	2330	}
2115		2331
2116	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
2117		2333
2118	sub nuke {	2334	sub nuke {
2119	my ($self) = @_;	2335	my ($self) = @_;
2120		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
2121	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
2122		2341
2123	$self->unlink_save;	2342	$self->unlink_save;
2124		2343
2125	bless $self, "cf::map";	2344	bless $self, "cf::map";
2126	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2349
2131	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
2132		2352
2133	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
2134	}	2354	}
2135		2355
2136	=item $maps = cf::map::tmp_maps	2356	=item $maps = cf::map::tmp_maps
…		…
2178		2398
2179	sub unique_maps() {	2399	sub unique_maps() {
2180	[	2400	[
2181	map {	2401	map {
2182	utf8::decode $_;	2402	utf8::decode $_;
2183	/\.map$/	2403	s/\.map$//; # TODO future compatibility hack
		2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2405	? ()
2184	? normalise $_	2406	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2407	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2408	]
2188	}	2409	}
2189		2410
2190	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
2191		2442
2192	=back	2443	=back
2193		2444
2194	=head3 cf::object	2445	=head3 cf::object
2195		2446
…		…
2199		2450
2200	=over 4	2451	=over 4
2201		2452
2202	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
2203		2454
2204	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
2205		2457
2206	=cut	2458	=cut
2207		2459
2208	sub inv_recursive_;	2460	sub inv_recursive_;
2209	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
2212		2464
2213	sub inv_recursive {	2465	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
2215	}	2467	}
2216		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
2217	package cf;	2497	package cf;
2218		2498
2219	=back	2499	=back
2220		2500
2221	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
2230		2510
2231	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
2232		2526
2233	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2528	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2542	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2544
2251	} else {	2545	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2548	}
2255	}	2549	}
2256	}	2550	}
2257		2551
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2283		2577
2284	=item $player_object->enter_link	2578	=item $player_object->enter_link
2285		2579
2286	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
2287		2581
2288	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
2289	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
2290		2586
2291	Will never block.	2587	Will never block.
2292		2588
2293	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
2294		2590
…		…
2319	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
2320		2616
2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2322	if $self->map && $self->map->{path} ne "{link}";	2618	if $self->map && $self->map->{path} ne "{link}";
2323		2619
2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2325	}	2621	}
2326		2622
2327	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
2328	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
2329		2625
…		…
2346	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
2347	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
2348		2644
2349	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
2352		2648
2353	$map->load;	2649	$map->load;
2354	$map->load_diag;	2650	$map->load_neighbours;
2355		2651
2356	return unless $self->contr->active;	2652	return unless $self->contr->active;
2357	$self->activate_recursive;
2358		2653
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
		2658	$self->activate_recursive;
2361	}	2659	}
2362		2660
2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2364		2662
2365	Moves the player to the given map-path and coordinates by first freezing	2663	Moves the player to the given map-path and coordinates by first freezing
2366	her, loading and preparing them map, calling the provided $check callback	2664	her, loading and preparing them map, calling the provided $check callback
2367	that has to return the map if sucecssful, and then unfreezes the player on	2665	that has to return the map if sucecssful, and then unfreezes the player on
2368	the new (success) or old (failed) map position. In either case, $done will	2666	the new (success) or old (failed) map position. In either case, $done will
2369	be called at the end of this process.	2667	be called at the end of this process.
2370		2668
		2669	Note that $check will be called with a potentially non-loaded map, so if
		2670	it needs a loaded map it has to call C<< ->load >>.
		2671
2371	=cut	2672	=cut
2372		2673
2373	our $GOTOGEN;	2674	our $GOTOGEN;
2374		2675
2375	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
…		…
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2681
2381	$self->enter_link;	2682	$self->enter_link;
2382		2683
2383	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
2384	my $map = eval {	2706	my $map = eval {
2385	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
2386		2708
2387	if ($map) {	2709	if ($map) {
2388	$map = $map->customise_for ($self);	2710	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2711	$map = $check->($map) if $check && $map;
2390	} else {	2712	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2714	}
2393		2715
2394	$map	2716	$map
2395	};	2717	};
2396		2718
…		…
2432	}	2754	}
2433		2755
2434	sub prepare_random_map {	2756	sub prepare_random_map {
2435	my ($exit) = @_;	2757	my ($exit) = @_;
2436		2758
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2761	# that depends on the exit object
2442		2762
2443	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2765	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
2450	}	2772	}
2451		2773
2452	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
2453		2775
2454	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
2457		2779
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2782	undef $fh;
2461	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
2462		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
2465	}	2791	}
2466	}	2792	}
2467		2793
2468	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
2470		2796
2471	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
2472		2798
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2799	$self->enter_link;
2485		2800
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2801	(async {
2491	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
2492	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
2493	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
2494		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
2495	1;	2825	1
2496	}) {	2826	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2498	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2501		2831
2502	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2519	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
2520	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
2521		2851
2522	utf8::encode $text;	2852	utf8::encode $text;
2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2854	}
		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
2524	}	2879	}
2525		2880
2526	=item $client->send_msg ($channel, $msg, $color, [extra...])	2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
2527		2882
2528	Send a drawinfo or msg packet to the client, formatting the msg for the	2883	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2885	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2886	the message unless the client supports the msg packet.
2532		2887
2533	=cut	2888	=cut
2534		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
2535	sub cf::client::send_msg {	3004	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	3005	my ($self, $channel, $msg, $color, @extra) = @_;
2537		3006
2538	$msg = $self->pl->expand_cfpod ($msg);	3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
2539		3009
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
2542	if (ref $channel) {	3019	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	3020	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	3021	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	3022	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	3023	$self->ext_msg (channel_info => $channel);
2547	}	3024	}
…		…
2549	$channel = $channel->{id};	3026	$channel = $channel->{id};
2550	}	3027	}
2551		3028
2552	return unless @extra || length $msg;	3029	return unless @extra || length $msg;
2553		3030
2554	if ($self->can_msg) {
2555	# default colour, mask it out	3031	# default colour, mask it out
2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557	if $color & cf::NDI_DEF;	3033	if $color & cf::NDI_DEF;
2558		3034
2559	$self->send_packet ("msg " . $self->{json_coder}->encode (	3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561	} else {	3038	);
2562	if ($color >= 0) {
2563	# replace some tags by gcfclient-compatible ones
2564	for ($msg) {
2565	1 while
2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571	}
2572		3039
2573	$color &= cf::NDI_COLOR_MASK;	3040	$self->send_big_packet ($pkt);
2574
2575	utf8::encode $msg;
2576
2577	if (0 && $msg =~ /\[/) {
2578	# COMMAND/INFO
2579	$self->send_packet ("drawextinfo $color 10 8 $msg")
2580	} else {
2581	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2582	$self->send_packet ("drawinfo $color $msg")
2583	}
2584	}
2585	}
2586	}	3041	}
2587		3042
2588	=item $client->ext_msg ($type, @msg)	3043	=item $client->ext_msg ($type, @msg)
2589		3044
2590	Sends an ext event to the client.	3045	Sends an ext event to the client.
…		…
2592	=cut	3047	=cut
2593		3048
2594	sub cf::client::ext_msg($$@) {	3049	sub cf::client::ext_msg($$@) {
2595	my ($self, $type, @msg) = @_;	3050	my ($self, $type, @msg) = @_;
2596		3051
2597	my $extcmd = $self->extcmd;
2598
2599	if ($extcmd == 2) {	3052	if ($self->extcmd == 2) {
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2601	} elsif ($extcmd == 1) { # TODO: remove	3054	} elsif ($self->extcmd == 1) { # TODO: remove
2602	push @msg, msgtype => "event_$type";	3055	push @msg, msgtype => "event_$type";
2603	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2604	}	3075	}
2605	}	3076	}
2606		3077
2607	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2608		3079
…		…
2669	my ($type, $reply, @payload) =	3140	my ($type, $reply, @payload) =
2670	"ARRAY" eq ref $msg	3141	"ARRAY" eq ref $msg
2671	? @$msg	3142	? @$msg
2672	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2673		3144
		3145	my @reply;
		3146
2674	if (my $cb = $EXTICMD{$type}) {	3147	if (my $cb = $EXTICMD{$type}) {
2675	my @reply = $cb->($ns, @payload);	3148	@reply = $cb->($ns, @payload);
2676
2677	$ns->ext_reply ($reply, @reply)
2678	if $reply;
2679	}	3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
2680	} else {	3154	} else {
2681	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2682	}	3156	}
2683		3157
2684	cf::override;	3158	cf::override;
…		…
2706		3180
2707	$coro	3181	$coro
2708	}	3182	}
2709		3183
2710	cf::client->attach (	3184	cf::client->attach (
2711	on_destroy => sub {	3185	on_client_destroy => sub {
2712	my ($ns) = @_;	3186	my ($ns) = @_;
2713		3187
2714	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2715	},	3189	},
2716	);	3190	);
…		…
2732	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2733		3207
2734	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2735		3209
2736	$safe->permit_only (Opcode::opset qw(	3210	$safe->permit_only (Opcode::opset qw(
2737	:base_core :base_mem :base_orig :base_math	3211	:base_core :base_mem :base_orig :base_math :base_loop
2738	grepstart grepwhile mapstart mapwhile	3212	grepstart grepwhile mapstart mapwhile
2739	sort time	3213	sort time
2740	));	3214	));
2741		3215
2742	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
…		…
2744	=pod	3218	=pod
2745		3219
2746	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2747		3221
2748	cf::object	3222	cf::object
2749	contr pay_amount pay_player map x y force_find force_add	3223	contr pay_amount pay_player map x y force_find force_add destroy
2750	insert remove name archname title slaying race	3224	insert remove name archname title slaying race decrease split
		3225	value
2751		3226
2752	cf::object::player	3227	cf::object::player
2753	player	3228	player
2754		3229
2755	cf::player	3230	cf::player
…		…
2760		3235
2761	=cut	3236	=cut
2762		3237
2763	for (	3238	for (
2764	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2765	insert remove inv name archname title slaying race)],	3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2766	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2767	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2768	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2769	) {	3245	) {
2770	no strict 'refs';	3246	no strict 'refs';
2771	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2772	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2790		3266
2791	my $qcode = $code;	3267	my $qcode = $code;
2792	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2793	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2794		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2795	local $_;	3274	local $_;
2796	local @safe::cf::_safe_eval_args = values %vars;
2797		3275
2798	my $eval =	3276	my $eval =
2799	"do {\n"	3277	"do {\n"
2800	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2801	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2802	. $code	3280	. $code
2803	. "\n}"	3281	. "\n}"
2804	;	3282	;
2805		3283
		3284	if ($CFG{safe_eval}) {
2806	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2807	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2808	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2809		3293
2810	if ($@) {	3294	if ($@) {
2811	warn "$@";	3295	warn "$@";
2812	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2813	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2832	=cut	3316	=cut
2833		3317
2834	sub register_script_function {	3318	sub register_script_function {
2835	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2836		3320
2837	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2838	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2839	}	3323	}
2840		3324
2841	=back	3325	=back
2842		3326
2843	=cut	3327	=cut
…		…
2845	#############################################################################	3329	#############################################################################
2846	# the server's init and main functions	3330	# the server's init and main functions
2847		3331
2848	sub load_facedata($) {	3332	sub load_facedata($) {
2849	my ($path) = @_;	3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2850		3340
2851	warn "loading facedata from $path\n";	3341	warn "loading facedata from $path\n";
2852		3342
2853	my $facedata;	3343	my $facedata;
2854	0 < aio_load $path, $facedata	3344	0 < aio_load $path, $facedata
…		…
2857	$facedata = Coro::Storable::thaw $facedata;	3347	$facedata = Coro::Storable::thaw $facedata;
2858		3348
2859	$facedata->{version} == 2	3349	$facedata->{version} == 2
2860	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2861		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
2862	{	3361	{
2863	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
2864		3363
2865	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
2866	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
2867	cf::face::set_visibility $idx, $info->{visibility};	3367	cf::face::set_visibility $idx, $info->{visibility};
2868	cf::face::set_magicmap $idx, $info->{magicmap};	3368	cf::face::set_magicmap $idx, $info->{magicmap};
2869	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2870	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2871		3371
2872	cf::cede_to_tick;	3372	cf::cede_to_tick;
2873	}	3373	}
2874		3374
2875	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
2876	next unless $info->{smooth};	3376	next unless $info->{smooth};
		3377
2877	my $idx = cf::face::find $face	3378	my $idx = cf::face::find $face
2878	or next;	3379	or next;
		3380
2879	if (my $smooth = cf::face::find $info->{smooth}) {	3381	if (my $smooth = cf::face::find $info->{smooth}) {
2880	cf::face::set_smooth $idx, $smooth;	3382	cf::face::set_smooth $idx, $smooth;
2881	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2882	} else {	3384	} else {
2883	warn "smooth face '$info->{smooth}' not found for face '$face'";	3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2897		3399
2898	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
2899	}	3401	}
2900		3402
2901	{	3403	{
2902	# TODO: for gcfclient pleasure, we should give resources
2903	# that gcfclient doesn't grok a >10000 face index.
2904	my $res = $facedata->{resource};	3404	my $res = $facedata->{resource};
2905	my $enc = JSON::XS->new->utf8->canonical;
2906
2907	my $soundconf = delete $res->{"res/sound.conf"};
2908		3405
2909	while (my ($name, $info) = each %$res) {	3406	while (my ($name, $info) = each %$res) {
2910	my $meta = $enc->encode ({	3407	if (defined $info->{type}) {
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2916		3409
2917	if ($info->{type} & 1) {
2918	# prepend meta info
2919
2920	my $data = pack "(w/a*)*", $meta, $info->{data};
2921	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2922
2923	cf::face::set_data $idx, 0, $data, $chk;	3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
2924	} else {	3412	} else {
2925	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3413	$RESOURCE{$name} = $info;
2926	}	3414	}
2927		3415
2928	cf::face::set_type $idx, $info->{type};
2929
2930	cf::cede_to_tick;	3416	cf::cede_to_tick;
2931	}	3417	}
2932
2933	if ($soundconf) {
2934	$soundconf = $enc->decode (delete $soundconf->{data});
2935
2936	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2937	my $sound = $soundconf->{compat}[$_]
2938	or next;
2939
2940	my $face = cf::face::find "sound/$sound->[1]";
2941	cf::sound::set $sound->[0] => $face;
2942	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2943	}
2944
2945	while (my ($k, $v) = each %{$soundconf->{event}}) {
2946	my $face = cf::face::find "sound/$v";
2947	cf::sound::set $k => $face;
2948	}
2949	}
2950	}	3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2951		3421
2952	1	3422	1
2953	}	3423	}
		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
2954		3444
2955	register_exticmd fx_want => sub {	3445	register_exticmd fx_want => sub {
2956	my ($ns, $want) = @_;	3446	my ($ns, $want) = @_;
2957		3447
2958	while (my ($k, $v) = each %$want) {	3448	while (my ($k, $v) = each %$want) {
2959	$ns->fx_want ($k, $v);	3449	$ns->fx_want ($k, $v);
2960	}	3450	}
2961	};	3451	};
2962		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2963	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2964	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2965	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
2966		3470
2967	for (cf::region::list) {	3471	for (cf::region::list) {
2968	$_->{match} = qr/$_->{match}/	3472	$_->{match} = qr/$_->{match}/
…		…
2976	}	3480	}
2977		3481
2978	sub reload_archetypes {	3482	sub reload_archetypes {
2979	load_resource_file "$DATADIR/archetypes"	3483	load_resource_file "$DATADIR/archetypes"
2980	or die "unable to load archetypes\n";	3484	or die "unable to load archetypes\n";
2981	#d# NEED to laod twice to resolve forward references
2982	# this really needs to be done in an extra post-pass
2983	# (which needs to be synchronous, so solve it differently)
2984	load_resource_file "$DATADIR/archetypes"
2985	or die "unable to load archetypes\n";
2986	}	3485	}
2987		3486
2988	sub reload_treasures {	3487	sub reload_treasures {
2989	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2990	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2991	}	3490	}
2992		3491
2993	sub reload_resources {	3492	sub reload_resources {
2994	warn "reloading resource files...\n";	3493	warn "reloading resource files...\n";
2995		3494
		3495	reload_facedata;
		3496	reload_archetypes;
2996	reload_regions;	3497	reload_regions;
2997	reload_facedata;
2998	#reload_archetypes;#d#
2999	reload_archetypes;
3000	reload_treasures;	3498	reload_treasures;
3001		3499
3002	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
3003	}	3501	}
3004		3502
3005	sub init {	3503	sub reload_config {
3006	reload_resources;	3504	warn "reloading config file...\n";
3007	}
3008		3505
3009	sub cfg_load {
3010	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
3011	or return;	3507	or return;
3012		3508
3013	local $/;	3509	local $/;
3014	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
3015		3511
3016	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3017		3513
3018	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3019	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3023	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3024	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
3025	};	3521	};
3026	warn $@ if $@;	3522	warn $@ if $@;
3027	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
3028	}	3554	}
3029		3555
3030	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
3031	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
3032	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
3033	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3034	(async {	3569	(async {
3035	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
3036	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
3037	};	3573	};
3038		3574
3039	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
3040	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
3041	load_extensions;	3598	load_extensions;
3042		3599
3043	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
3044	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
3045	}	3613	}
3046		3614
3047	#############################################################################	3615	#############################################################################
3048	# initialisation and cleanup	3616	# initialisation and cleanup
3049		3617
3050	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
3051	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
3052	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
3053	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3054	reentrant => 0,
3055	data => WF_AUTOCANCEL,
3056	signal => $signal,
3057	prio => 0,
3058	cb => sub {
3059	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
3060	},
3061	);	3624	};
3062	}	3625	}
3063	}	3626	}
3064		3627
3065	sub write_runtime {	3628	sub write_runtime_sync {
3066	my $runtime = "$LOCALDIR/runtime";	3629	my $t0 = AE::time;
3067		3630
3068	# first touch the runtime file to show we are still running:	3631	# first touch the runtime file to show we are still running:
3069	# the fsync below can take a very very long time.	3632	# the fsync below can take a very very long time.
3070		3633
3071	IO::AIO::aio_utime $runtime, undef, undef;	3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3072		3635
3073	my $guard = cf::lock_acquire "write_runtime";	3636	my $guard = cf::lock_acquire "write_runtime";
3074		3637
3075	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3076	or return;	3639	or return;
3077		3640
3078	my $value = $cf::RUNTIME + 90 + 10;	3641	my $value = $cf::RUNTIME + 90 + 10;
3079	# 10 is the runtime save interval, for a monotonic clock	3642	# 10 is the runtime save interval, for a monotonic clock
3080	# 60 allows for the watchdog to kill the server.	3643	# 60 allows for the watchdog to kill the server.
…		…
3090	aio_utime $fh, undef, undef;	3653	aio_utime $fh, undef, undef;
3091		3654
3092	close $fh	3655	close $fh
3093	or return;	3656	or return;
3094		3657
3095	aio_rename "$runtime~", $runtime	3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3096	and return;	3659	and return;
3097		3660
3098	warn "runtime file written.\n";	3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3099		3662
3100	1	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
3101	}	3714	}
3102		3715
3103	sub emergency_save() {	3716	sub emergency_save() {
3104	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
3105		3718
3106	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
3107		3720
3108	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
3109	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
3110	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
3111	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
3112	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
3113	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
3114	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
3115	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3116	$pl->save;	3735	$pl->save;
3117	}	3736	}
3118	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
3119		3738
3120	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
3121	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
3122	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
3123	$map->valid or next;	3742	$map->valid or next;
3124	$map->save;	3743	$map->save;
3125	}	3744	}
3126	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
3127		3746
3128	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
3129	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
3130	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
3131	};	3754	};
3132		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
3133	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
3134	}	3762	}
3135		3763
3136	sub post_cleanup {	3764	sub post_cleanup {
3137	my ($make_core) = @_;	3765	my ($make_core) = @_;
3138		3766
3139	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
3140	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
3141	}	3797	}
3142		3798
3143	sub do_reload_perl() {	3799	sub do_reload_perl() {
3144	# can/must only be called in main	3800	# can/must only be called in main
3145	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
3146	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
3147	return;	3803	return;
3148	}	3804	}
3149		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
3150	warn "reloading...";	3811	warn "reloading...";
3151		3812
3152	warn "entering sync_job";	3813	warn "entering sync_job";
3153		3814
3154	cf::sync_job {	3815	cf::sync_job {
3155	cf::write_runtime; # external watchdog should not bark	3816	cf::write_runtime_sync; # external watchdog should not bark
3156	cf::emergency_save;	3817	cf::emergency_save;
3157	cf::write_runtime; # external watchdog should not bark	3818	cf::write_runtime_sync; # external watchdog should not bark
3158		3819
3159	warn "syncing database to disk";	3820	warn "syncing database to disk";
3160	BDB::db_env_txn_checkpoint $DB_ENV;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
3161		3822
3162	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
3163		3824
3164	warn "cancelling all WF_AUTOCANCEL watchers";
3165	for (Event::all_watchers) {
3166	$_->cancel if $_->data & WF_AUTOCANCEL;
3167	}
3168
3169	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
3170	for (;;) {
3171	BDB::flush;
3172	IO::AIO::flush;
3173	Coro::cede;
3174	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
3175	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3176	}
3177
3178	++$RELOAD;
3179
3180	warn "cancelling all extension coros";
3181	$_->cancel for values %EXT_CORO;
3182	%EXT_CORO = ();
3183
3184	warn "removing commands";
3185	%COMMAND = ();
3186
3187	warn "removing ext/exti commands";
3188	%EXTCMD = ();
3189	%EXTICMD = ();
3190
3191	warn "unloading/nuking all extensions";
3192	for my $pkg (@EXTS) {
3193	warn "... unloading $pkg";
3194
3195	if (my $cb = $pkg->can ("unload")) {
3196	eval {
3197	$cb->($pkg);
3198	1
3199	} or warn "$pkg unloaded, but with errors: $@";
3200	}	3828	}
3201		3829
3202	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
3203	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
3204	}	3832	%EXT_CORO = ();
3205		3833
3206	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
3207	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
3208	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3209		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
3210	warn "... unloading $k";	3843	warn "... unloading $pkg";
3211	delete $INC{$k};
3212		3844
3213	$k =~ s/\.pm$//;
3214	$k =~ s/\//::/g;
3215
3216	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
3217	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
3218	}	3854	}
3219		3855
3220	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
3221	}	3871	}
3222		3872
3223	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
3224	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
3225	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3226		3876
3227	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
3228	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
3229	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3230		3880
3231	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
3232	# and global variables created in xs	3882	# and global variables created in xs
3233	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
3234		3884
3235	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
3236		3886
3237	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
3238	require cf;	3888	require cf;
3239	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
3240		3890
3241	warn "loading config and database again";	3891	warn "loading config and database again";
3242	cf::cfg_load;	3892	cf::reload_config;
3243		3893
3244	warn "loading extensions";	3894	warn "loading extensions";
3245	cf::load_extensions;	3895	cf::load_extensions;
3246		3896
		3897	if ($REATTACH_ON_RELOAD) {
3247	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
3248	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
3249	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
3250	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
3251	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
3252	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
3253		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
3254	warn "leaving sync_job";	3909	warn "leaving sync_job";
3255		3910
3256	1	3911	1
3257	} or do {	3912	} or do {
3258	warn $@;	3913	warn $@;
3259	warn "error while reloading, exiting.";	3914	cf::cleanup "error while reloading, exiting.";
3260	exit 1;
3261	};	3915	};
3262		3916
3263	warn "reloaded";	3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
3264	};	3923	};
3265		3924
3266	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
3267		3926
3268	sub reload_perl() {	3927	sub reload_perl() {
3269	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
3270	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
3271		3930
3272	$RELOAD_WATCHER ||= Event->timer (	3931	$RELOAD_WATCHER ||= cf::async {
3273	reentrant => 0,	3932	Coro::AIO::aio_wait cache_extensions;
3274	after => 0,	3933
3275	data => WF_AUTOCANCEL,	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3276	cb => sub {
3277	do_reload_perl;	3935	do_reload_perl;
3278	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
3279	},	3937	};
3280	);	3938	};
3281	}	3939	}
3282		3940
3283	register_command "reload" => sub {	3941	register_command "reload" => sub {
3284	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
3285		3943
3286	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
3287	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
3288	async { reload_perl };	3948	reload_perl;
		3949	};
3289	}	3950	}
3290	};	3951	};
3291		3952
3292	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
3293		3954
…		…
3295		3956
3296	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
3297	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
3298		3959
3299	sub wait_for_tick {	3960	sub wait_for_tick {
3300	return unless $TICK_WATCHER->is_active;
3301	return if $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3302		3962
3303	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
3304	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
3305	$signal->wait;	3965	$signal->wait;
3306	}	3966	}
3307		3967
3308	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
3309	return unless $TICK_WATCHER->is_active;
3310	return if $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3311		3970
3312	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
3313	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
3314	$signal->wait;	3973	$signal->wait;
3315	}	3974	}
3316		3975
3317	my $min = 1e6;#d#	3976	sub tick {
3318	my $avg = 10;
3319	$TICK_WATCHER = Event->timer (
3320	reentrant => 0,
3321	parked => 1,
3322	prio => 0,
3323	at => $NEXT_TICK || $TICK,
3324	data => WF_AUTOCANCEL,
3325	cb => sub {
3326	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
3327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3328	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
3329	return;	3980	return;
3330	}	3981	}
3331		3982
3332	$NOW = $tick_start = Event::time;
3333
3334	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
3335		3984
3336	0 && sync_job {#d#	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3337	for(1..10) {
3338	my $t = Event::time;
3339	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3340	or die;
3341		3986
3342	$map->width (50);	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3343	$map->height (50);	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3344	$map->alloc;	3989	Coro::async_pool {
3345	$map->_load_objects ("/tmp/x.map", 1);	3990	$Coro::current->{desc} = "runtime saver";
3346	my $t = Event::time - $t;	3991	write_runtime_sync
3347		3992	or warn "ERROR: unable to write runtime file: $!";
3348	#next unless $t < 0.0013;#d#
3349	if ($t < $min) {
3350	$min = $t;
3351	}
3352	$avg = $avg * 0.99 + $t * 0.01;
3353	}
3354	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3355	exit 0;
3356	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3357	};	3993	};
		3994	}
3358		3995
3359	$RUNTIME += $TICK;
3360	$NEXT_TICK += $TICK;
3361
3362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3363	$NEXT_RUNTIME_WRITE = $NOW + 10;
3364	Coro::async_pool {
3365	write_runtime
3366	or warn "ERROR: unable to write runtime file: $!";
3367	};
3368	}
3369
3370	# my $AFTER = Event::time;
3371	# warn $AFTER - $NOW;#d#
3372
3373	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3374	$sig->send;	3997	$sig->send;
3375	}	3998	}
3376	while (my $sig = shift @WAIT_FOR_TICK) {	3999	while (my $sig = shift @WAIT_FOR_TICK) {
3377	$sig->send;	4000	$sig->send;
3378	}	4001	}
3379		4002
3380	$NOW = Event::time;	4003	$LOAD = ($NOW - $TICK_START) / $TICK;
3381
3382	# if we are delayed by four ticks or more, skip them all
3383	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3384
3385	$TICK_WATCHER->at ($NEXT_TICK);
3386	$TICK_WATCHER->start;
3387
3388	$LOAD = ($NOW - $tick_start) / $TICK;
3389	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3390		4005
3391	_post_tick;	4006	if (0) {
3392		4007	if ($NEXT_TICK) {
3393		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
3394	},	4012	}
3395	);	4013	}
3396		4014
3397	{	4015	{
3398	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
3399	$BDB_POLL_WATCHER = Event->io (	4017
3400	reentrant => 0,
3401	fd => BDB::poll_fileno,
3402	poll => 'r',
3403	prio => 0,
3404	data => WF_AUTOCANCEL,
3405	cb => \&BDB::poll_cb,
3406	);
3407	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
3408		4019	BDB::max_poll_reqs $TICK * 0.1;
3409	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
3410	my $status;
3411	my $current = $Coro::current;
3412	(
3413	sub {
3414	$status = $!;
3415	$current->ready; undef $current;
3416	},
3417	sub {
3418	Coro::schedule while defined $current;
3419	$! = $status;
3420	},
3421	)
3422	};
3423		4021
3424	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
3425	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3426		4029
3427	cf::sync_job {	4030	cf::sync_job {
3428	eval {	4031	eval {
3429	BDB::db_env_open	4032	BDB::db_env_open
3430	$DB_ENV,	4033	$DB_ENV,
…		…
3432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3434	0666;	4037	0666;
3435		4038
3436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3437
3438	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3439	$DB_ENV->set_lk_detect;
3440	};	4040	};
3441		4041
3442	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
3443	};	4043	};
3444	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
3445	}	4055	}
3446		4056
3447	{	4057	{
		4058	# configure IO::AIO
		4059
3448	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
3449
3450	undef $Coro::AIO::WATCHER;
3451	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
3452	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
3453	reentrant => 0,
3454	data => WF_AUTOCANCEL,
3455	fd => IO::AIO::poll_fileno,
3456	poll => 'r',
3457	prio => 6,
3458	cb => \&IO::AIO::poll_cb,
3459	);
3460	}	4063	}
3461		4064
3462	my $_log_backtrace;	4065	my $_log_backtrace;
3463		4066
3464	sub _log_backtrace {	4067	sub _log_backtrace {
…		…
3467	$msg =~ s/\n//;	4070	$msg =~ s/\n//;
3468		4071
3469	# limit the # of concurrent backtraces	4072	# limit the # of concurrent backtraces
3470	if ($_log_backtrace < 2) {	4073	if ($_log_backtrace < 2) {
3471	++$_log_backtrace;	4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
3472	async {	4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
3473	my @bt = fork_call {	4079	my @bt = fork_call {
3474	@addr = map { sprintf "%x", $_ } @addr;	4080	@addr = map { sprintf "%x", $_ } @addr;
3475	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3476	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3477	or die "addr2line: $!";	4083	or die "addr2line: $!";
…		…
3485	}	4091	}
3486		4092
3487	@funcs	4093	@funcs
3488	};	4094	};
3489		4095
3490	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3491	LOG llevInfo, "[ABT] $_\n" for @bt;	4098	LOG llevInfo, "[ABT] $_\n" for @bt;
3492	--$_log_backtrace;	4099	--$_log_backtrace;
3493	};	4100	};
3494	} else {	4101	} else {
3495	LOG llevInfo, "[ABT] $msg\n";	4102	LOG llevInfo, "[ABT] $msg\n";
3496	LOG llevInfo, "[ABT] [suppressed]\n";	4103	LOG llevInfo, "[ABT] [suppressed]\n";
3497	}	4104	}
3498	}	4105	}
3499		4106
3500	# load additional modules	4107	# load additional modules
3501	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
3502		4110
3503	END { cf::emergency_save }	4111	END { cf::emergency_save }
3504		4112
3505	1	4113	1
3506		4114

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